resolve merge conflicts of 8eacf24 to nyc-dev-plus-aosp
Change-Id: I43a0ed3deded58a2d25a40b5053a43a5f517bcac
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index a856672..5aa878b 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -157,7 +157,7 @@
" (-r: replace existing application)\n"
" (-t: allow test packages)\n"
" (-s: install application on sdcard)\n"
- " (-d: allow version code downgrade)\n"
+ " (-d: allow version code downgrade (debuggable packages only))\n"
" (-g: grant all runtime permissions)\n"
" adb install-multiple [-lrtsdpg] <file...>\n"
" - push this package file to the device and install it\n"
@@ -165,7 +165,7 @@
" (-r: replace existing application)\n"
" (-t: allow test packages)\n"
" (-s: install application on sdcard)\n"
- " (-d: allow version code downgrade)\n"
+ " (-d: allow version code downgrade (debuggable packages only))\n"
" (-p: partial application install)\n"
" (-g: grant all runtime permissions)\n"
" adb uninstall [-k] <package> - remove this app package from the device\n"
diff --git a/adb/transport.cpp b/adb/transport.cpp
index e3340af..f86a222 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -781,9 +781,7 @@
// Local static allocation to avoid global non-POD variables.
static const FeatureSet* features = new FeatureSet{
kFeatureShell2,
- // Internal master has 'cmd'. AOSP master doesn't.
- // kFeatureCmd
-
+ kFeatureCmd
// Increment ADB_SERVER_VERSION whenever the feature list changes to
// make sure that the adb client and server features stay in sync
// (http://b/24370690).
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 7e60a72..636092e 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -85,6 +85,8 @@
static unsigned second_offset = 0x00f00000;
static unsigned tags_offset = 0x00000100;
+static const std::string convert_fbe_marker_filename("convert_fbe");
+
enum fb_buffer_type {
FB_BUFFER,
FB_BUFFER_SPARSE,
@@ -386,11 +388,17 @@
" given by --slot. If slots are not\n"
" supported, this does nothing. This will\n"
" run after all non-reboot commands.\n"
+#if !defined(_WIN32)
+ " --wipe-and-use-fbe On devices which support it,\n"
+ " erase userdata and cache, and\n"
+ " enable file-based encryption\n"
+#endif
" --unbuffered Do not buffer input or output.\n"
" --version Display version.\n"
" -h, --help show this message.\n"
);
}
+
static void* load_bootable_image(const char* kernel, const char* ramdisk,
const char* secondstage, int64_t* sz,
const char* cmdline) {
@@ -510,8 +518,60 @@
#define tmpfile win32_tmpfile
+static std::string make_temporary_directory() {
+ fprintf(stderr, "make_temporary_directory not supported under Windows, sorry!");
+ return "";
+}
+
+#else
+
+static std::string make_temporary_directory() {
+ const char *tmpdir = getenv("TMPDIR");
+ if (tmpdir == nullptr) {
+ tmpdir = P_tmpdir;
+ }
+ std::string result = std::string(tmpdir) + "/fastboot_userdata_XXXXXX";
+ if (mkdtemp(&result[0]) == NULL) {
+ fprintf(stderr, "Unable to create temporary directory: %s\n",
+ strerror(errno));
+ return "";
+ }
+ return result;
+}
+
#endif
+static std::string create_fbemarker_tmpdir() {
+ std::string dir = make_temporary_directory();
+ if (dir.empty()) {
+ fprintf(stderr, "Unable to create local temp directory for FBE marker\n");
+ return "";
+ }
+ std::string marker_file = dir + "/" + convert_fbe_marker_filename;
+ int fd = open(marker_file.c_str(), O_CREAT | O_WRONLY | O_CLOEXEC, 0666);
+ if (fd == -1) {
+ fprintf(stderr, "Unable to create FBE marker file %s locally: %d, %s\n",
+ marker_file.c_str(), errno, strerror(errno));
+ return "";
+ }
+ close(fd);
+ return dir;
+}
+
+static void delete_fbemarker_tmpdir(const std::string& dir) {
+ std::string marker_file = dir + "/" + convert_fbe_marker_filename;
+ if (unlink(marker_file.c_str()) == -1) {
+ fprintf(stderr, "Unable to delete FBE marker file %s locally: %d, %s\n",
+ marker_file.c_str(), errno, strerror(errno));
+ return;
+ }
+ if (rmdir(dir.c_str()) == -1) {
+ fprintf(stderr, "Unable to delete FBE marker directory %s locally: %d, %s\n",
+ dir.c_str(), errno, strerror(errno));
+ return;
+ }
+}
+
static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) {
FILE* fp = tmpfile();
if (fp == nullptr) {
@@ -1097,7 +1157,8 @@
static void fb_perform_format(Transport* transport,
const char* partition, int skip_if_not_supported,
- const char* type_override, const char* size_override) {
+ const char* type_override, const char* size_override,
+ const std::string& initial_dir) {
std::string partition_type, partition_size;
struct fastboot_buffer buf;
@@ -1161,7 +1222,7 @@
}
fd = fileno(tmpfile());
- if (fs_generator_generate(gen, fd, size)) {
+ if (fs_generator_generate(gen, fd, size, initial_dir)) {
fprintf(stderr, "Cannot generate image: %s\n", strerror(errno));
close(fd);
return;
@@ -1190,6 +1251,7 @@
bool wants_reboot_bootloader = false;
bool wants_set_active = false;
bool erase_first = true;
+ bool set_fbe_marker = false;
void *data;
int64_t sz;
int longindex;
@@ -1212,6 +1274,9 @@
{"slot", required_argument, 0, 0},
{"set_active", optional_argument, 0, 'a'},
{"set-active", optional_argument, 0, 'a'},
+#if !defined(_WIN32)
+ {"wipe-and-use-fbe", no_argument, 0, 0},
+#endif
{0, 0, 0, 0}
};
@@ -1293,6 +1358,15 @@
return 0;
} else if (strcmp("slot", longopts[longindex].name) == 0) {
slot_override = std::string(optarg);
+#if !defined(_WIN32)
+ } else if (strcmp("wipe-and-use-fbe", longopts[longindex].name) == 0) {
+ wants_wipe = true;
+ set_fbe_marker = true;
+#endif
+ } else {
+ fprintf(stderr, "Internal error in options processing for %s\n",
+ longopts[longindex].name);
+ return 1;
}
break;
default:
@@ -1390,7 +1464,8 @@
if (erase_first && needs_erase(transport, partition.c_str())) {
fb_queue_erase(partition.c_str());
}
- fb_perform_format(transport, partition.c_str(), 0, type_override, size_override);
+ fb_perform_format(transport, partition.c_str(), 0,
+ type_override, size_override, "");
};
do_for_partitions(transport, argv[1], slot_override.c_str(), format, true);
skip(2);
@@ -1525,13 +1600,23 @@
if (wants_wipe) {
fprintf(stderr, "wiping userdata...\n");
fb_queue_erase("userdata");
- fb_perform_format(transport, "userdata", 1, nullptr, nullptr);
+ if (set_fbe_marker) {
+ fprintf(stderr, "setting FBE marker...\n");
+ std::string initial_userdata_dir = create_fbemarker_tmpdir();
+ if (initial_userdata_dir.empty()) {
+ return 1;
+ }
+ fb_perform_format(transport, "userdata", 1, nullptr, nullptr, initial_userdata_dir);
+ delete_fbemarker_tmpdir(initial_userdata_dir);
+ } else {
+ fb_perform_format(transport, "userdata", 1, nullptr, nullptr, "");
+ }
std::string cache_type;
if (fb_getvar(transport, "partition-type:cache", &cache_type) && !cache_type.empty()) {
fprintf(stderr, "wiping cache...\n");
fb_queue_erase("cache");
- fb_perform_format(transport, "cache", 1, nullptr, nullptr);
+ fb_perform_format(transport, "cache", 1, nullptr, nullptr, "");
}
}
if (wants_set_active) {
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index 90d8474..8539e23 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -1,7 +1,8 @@
+#include "fs.h"
+
#include "fastboot.h"
#include "make_ext4fs.h"
#include "make_f2fs.h"
-#include "fs.h"
#include <errno.h>
#include <stdio.h>
@@ -13,24 +14,32 @@
#include <sparse/sparse.h>
-static int generate_ext4_image(int fd, long long partSize)
+static int generate_ext4_image(int fd, long long partSize, const std::string& initial_dir)
{
- make_ext4fs_sparse_fd(fd, partSize, NULL, NULL);
-
+ if (initial_dir.empty()) {
+ make_ext4fs_sparse_fd(fd, partSize, NULL, NULL);
+ } else {
+ make_ext4fs_sparse_fd_directory(fd, partSize, NULL, NULL, initial_dir.c_str());
+ }
return 0;
}
#ifdef USE_F2FS
-static int generate_f2fs_image(int fd, long long partSize)
+static int generate_f2fs_image(int fd, long long partSize, const std::string& initial_dir)
{
+ if (!initial_dir.empty()) {
+ fprintf(stderr, "Unable to set initial directory on F2FS filesystem\n");
+ return -1;
+ }
return make_f2fs_sparse_fd(fd, partSize, NULL, NULL);
}
#endif
static const struct fs_generator {
-
const char* fs_type; //must match what fastboot reports for partition type
- int (*generate)(int fd, long long partSize); //returns 0 or error value
+
+ //returns 0 or error value
+ int (*generate)(int fd, long long partSize, const std::string& initial_dir);
} generators[] = {
{ "ext4", generate_ext4_image},
@@ -48,7 +57,8 @@
return nullptr;
}
-int fs_generator_generate(const struct fs_generator* gen, int tmpFileNo, long long partSize)
+int fs_generator_generate(const struct fs_generator* gen, int tmpFileNo, long long partSize,
+ const std::string& initial_dir)
{
- return gen->generate(tmpFileNo, partSize);
+ return gen->generate(tmpFileNo, partSize, initial_dir);
}
diff --git a/fastboot/fs.h b/fastboot/fs.h
index 289488b..0a68507 100644
--- a/fastboot/fs.h
+++ b/fastboot/fs.h
@@ -1,11 +1,13 @@
#ifndef _FS_H_
#define _FS_H_
+#include <string>
#include <stdint.h>
struct fs_generator;
const struct fs_generator* fs_get_generator(const std::string& fs_type);
-int fs_generator_generate(const struct fs_generator* gen, int tmpFileNo, long long partSize);
+int fs_generator_generate(const struct fs_generator* gen, int tmpFileNo, long long partSize,
+ const std::string& initial_dir);
#endif
diff --git a/fingerprintd/FingerprintDaemonProxy.cpp b/fingerprintd/FingerprintDaemonProxy.cpp
index beb95de..1c7da30 100644
--- a/fingerprintd/FingerprintDaemonProxy.cpp
+++ b/fingerprintd/FingerprintDaemonProxy.cpp
@@ -88,6 +88,16 @@
msg->data.removed.finger.fid,
msg->data.removed.finger.gid);
break;
+ case FINGERPRINT_TEMPLATE_ENUMERATING:
+ ALOGD("onEnumerate(fid=%d, gid=%d, rem=%d)",
+ msg->data.enumerated.finger.fid,
+ msg->data.enumerated.finger.gid,
+ msg->data.enumerated.remaining_templates);
+ callback->onEnumerate(device,
+ msg->data.enumerated.finger.fid,
+ msg->data.enumerated.finger.gid,
+ msg->data.enumerated.remaining_templates);
+ break;
default:
ALOGE("invalid msg type: %d", msg->type);
return;
@@ -158,6 +168,11 @@
return mDevice->remove(mDevice, groupId, fingerId);
}
+int32_t FingerprintDaemonProxy::enumerate() {
+ ALOG(LOG_VERBOSE, LOG_TAG, "enumerate()\n");
+ return mDevice->enumerate(mDevice);
+}
+
uint64_t FingerprintDaemonProxy::getAuthenticatorId() {
return mDevice->get_authenticator_id(mDevice);
}
diff --git a/fingerprintd/FingerprintDaemonProxy.h b/fingerprintd/FingerprintDaemonProxy.h
index 871c0e6..145b4c9 100644
--- a/fingerprintd/FingerprintDaemonProxy.h
+++ b/fingerprintd/FingerprintDaemonProxy.h
@@ -40,6 +40,7 @@
virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId);
virtual int32_t stopAuthentication();
virtual int32_t remove(int32_t fingerId, int32_t groupId);
+ virtual int32_t enumerate();
virtual uint64_t getAuthenticatorId();
virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen);
virtual int64_t openHal();
diff --git a/fingerprintd/IFingerprintDaemon.cpp b/fingerprintd/IFingerprintDaemon.cpp
index 7131793..bc4af56 100644
--- a/fingerprintd/IFingerprintDaemon.cpp
+++ b/fingerprintd/IFingerprintDaemon.cpp
@@ -125,6 +125,16 @@
reply->writeInt32(ret);
return NO_ERROR;
}
+ case ENUMERATE: {
+ CHECK_INTERFACE(IFingerprintDaemon, data, reply);
+ if (!checkPermission(HAL_FINGERPRINT_PERMISSION)) {
+ return PERMISSION_DENIED;
+ }
+ const int32_t ret = enumerate();
+ reply->writeNoException();
+ reply->writeInt32(ret);
+ return NO_ERROR;
+ }
case GET_AUTHENTICATOR_ID: {
CHECK_INTERFACE(IFingerprintDaemon, data, reply);
if (!checkPermission(HAL_FINGERPRINT_PERMISSION)) {
diff --git a/fingerprintd/IFingerprintDaemon.h b/fingerprintd/IFingerprintDaemon.h
index 1eb4ac1..23c36ff 100644
--- a/fingerprintd/IFingerprintDaemon.h
+++ b/fingerprintd/IFingerprintDaemon.h
@@ -44,6 +44,7 @@
CLOSE_HAL = IBinder::FIRST_CALL_TRANSACTION + 9,
INIT = IBinder::FIRST_CALL_TRANSACTION + 10,
POST_ENROLL = IBinder::FIRST_CALL_TRANSACTION + 11,
+ ENUMERATE = IBinder::FIRST_CALL_TRANSACTION + 12,
};
IFingerprintDaemon() { }
@@ -60,6 +61,7 @@
virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId) = 0;
virtual int32_t stopAuthentication() = 0;
virtual int32_t remove(int32_t fingerId, int32_t groupId) = 0;
+ virtual int32_t enumerate() = 0;
virtual uint64_t getAuthenticatorId() = 0;
virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen) = 0;
virtual int64_t openHal() = 0;
diff --git a/fingerprintd/IFingerprintDaemonCallback.cpp b/fingerprintd/IFingerprintDaemonCallback.cpp
index 44d8020..19838c9 100644
--- a/fingerprintd/IFingerprintDaemonCallback.cpp
+++ b/fingerprintd/IFingerprintDaemonCallback.cpp
@@ -74,13 +74,13 @@
return remote()->transact(ON_REMOVED, data, &reply, IBinder::FLAG_ONEWAY);
}
- virtual status_t onEnumerate(int64_t devId, const int32_t* fpIds, const int32_t* gpIds,
- int32_t sz) {
+ virtual status_t onEnumerate(int64_t devId, int32_t fpId, int32_t gpId, int32_t rem) {
Parcel data, reply;
data.writeInterfaceToken(IFingerprintDaemonCallback::getInterfaceDescriptor());
data.writeInt64(devId);
- data.writeInt32Array(sz, fpIds);
- data.writeInt32Array(sz, gpIds);
+ data.writeInt32(fpId);
+ data.writeInt32(gpId);
+ data.writeInt32(rem);
return remote()->transact(ON_ENUMERATE, data, &reply, IBinder::FLAG_ONEWAY);
}
};
diff --git a/fingerprintd/IFingerprintDaemonCallback.h b/fingerprintd/IFingerprintDaemonCallback.h
index 6e32213..e343cb4 100644
--- a/fingerprintd/IFingerprintDaemonCallback.h
+++ b/fingerprintd/IFingerprintDaemonCallback.h
@@ -44,8 +44,7 @@
virtual status_t onAuthenticated(int64_t devId, int32_t fingerId, int32_t groupId) = 0;
virtual status_t onError(int64_t devId, int32_t error) = 0;
virtual status_t onRemoved(int64_t devId, int32_t fingerId, int32_t groupId) = 0;
- virtual status_t onEnumerate(int64_t devId, const int32_t* fpIds, const int32_t* gpIds,
- int32_t sz) = 0;
+ virtual status_t onEnumerate(int64_t devId, int32_t fingerId, int32_t groupId, int32_t rem) = 0;
DECLARE_META_INTERFACE(FingerprintDaemonCallback);
};
diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index 02aff55..2d28b76 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -101,6 +101,7 @@
char tmpmnt_opts[64] = "errors=remount-ro";
char *e2fsck_argv[] = {
E2FSCK_BIN,
+ "-f",
"-y",
blk_device
};
@@ -439,12 +440,32 @@
return ret;
}
+static bool needs_block_encryption(const struct fstab_rec* rec)
+{
+ if (device_is_force_encrypted() && fs_mgr_is_encryptable(rec)) return true;
+ if (rec->fs_mgr_flags & MF_FORCECRYPT) return true;
+ if (rec->fs_mgr_flags & MF_CRYPT) {
+ /* Check for existence of convert_fde breadcrumb file */
+ char convert_fde_name[PATH_MAX];
+ snprintf(convert_fde_name, sizeof(convert_fde_name),
+ "%s/misc/vold/convert_fde", rec->mount_point);
+ if (access(convert_fde_name, F_OK) == 0) return true;
+ }
+ if (rec->fs_mgr_flags & MF_FORCEFDEORFBE) {
+ /* Check for absence of convert_fbe breadcrumb file */
+ char convert_fbe_name[PATH_MAX];
+ snprintf(convert_fbe_name, sizeof(convert_fbe_name),
+ "%s/convert_fbe", rec->mount_point);
+ if (access(convert_fbe_name, F_OK) != 0) return true;
+ }
+ return false;
+}
+
// Check to see if a mountable volume has encryption requirements
-static int handle_encryptable(struct fstab *fstab, const struct fstab_rec* rec)
+static int handle_encryptable(const struct fstab_rec* rec)
{
/* If this is block encryptable, need to trigger encryption */
- if ( (rec->fs_mgr_flags & MF_FORCECRYPT)
- || (device_is_force_encrypted() && fs_mgr_is_encryptable(rec))) {
+ if (needs_block_encryption(rec)) {
if (umount(rec->mount_point) == 0) {
return FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION;
} else {
@@ -452,48 +473,15 @@
rec->mount_point, strerror(errno));
return FS_MGR_MNTALL_DEV_NOT_ENCRYPTED;
}
- }
-
+ } else if (rec->fs_mgr_flags & (MF_FILEENCRYPTION | MF_FORCEFDEORFBE)) {
// Deal with file level encryption
- if (rec->fs_mgr_flags & MF_FILEENCRYPTION) {
- // Default or not yet initialized encryption requires no more work here
- if (!e4crypt_non_default_key(rec->mount_point)) {
- INFO("%s is default file encrypted\n", rec->mount_point);
- return FS_MGR_MNTALL_DEV_DEFAULT_FILE_ENCRYPTED;
- }
-
- INFO("%s is non-default file encrypted\n", rec->mount_point);
-
- // Uses non-default key, so must unmount and set up temp file system
- if (umount(rec->mount_point)) {
- ERROR("Failed to umount %s - rebooting\n", rec->mount_point);
- return FS_MGR_MNTALL_FAIL;
- }
-
- if (fs_mgr_do_tmpfs_mount(rec->mount_point) != 0) {
- ERROR("Failed to mount a tmpfs at %s\n", rec->mount_point);
- return FS_MGR_MNTALL_FAIL;
- }
-
- // Mount data temporarily so we can access unencrypted dir
- char tmp_mnt[PATH_MAX];
- strlcpy(tmp_mnt, rec->mount_point, sizeof(tmp_mnt));
- strlcat(tmp_mnt, "/tmp_mnt", sizeof(tmp_mnt));
- if (mkdir(tmp_mnt, 0700)) {
- ERROR("Failed to create temp mount point\n");
- return FS_MGR_MNTALL_FAIL;
- }
-
- if (fs_mgr_do_mount(fstab, rec->mount_point,
- rec->blk_device, tmp_mnt)) {
- ERROR("Error temp mounting encrypted file system\n");
- return FS_MGR_MNTALL_FAIL;
- }
-
- return FS_MGR_MNTALL_DEV_NON_DEFAULT_FILE_ENCRYPTED;
+ INFO("%s is file encrypted\n", rec->mount_point);
+ return FS_MGR_MNTALL_DEV_FILE_ENCRYPTED;
+ } else if (fs_mgr_is_encryptable(rec)) {
+ return FS_MGR_MNTALL_DEV_NOT_ENCRYPTED;
+ } else {
+ return FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE;
}
-
- return FS_MGR_MNTALL_DEV_NOT_ENCRYPTED;
}
/* When multiple fstab records share the same mount_point, it will
@@ -504,7 +492,7 @@
int fs_mgr_mount_all(struct fstab *fstab)
{
int i = 0;
- int encryptable = FS_MGR_MNTALL_DEV_NOT_ENCRYPTED;
+ int encryptable = FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE;
int error_count = 0;
int mret = -1;
int mount_errno = 0;
@@ -568,15 +556,15 @@
/* Deal with encryptability. */
if (!mret) {
- int status = handle_encryptable(fstab, &fstab->recs[attempted_idx]);
+ int status = handle_encryptable(&fstab->recs[attempted_idx]);
if (status == FS_MGR_MNTALL_FAIL) {
/* Fatal error - no point continuing */
return status;
}
- if (status != FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
- if (encryptable != FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
+ if (status != FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE) {
+ if (encryptable != FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE) {
// Log and continue
ERROR("Only one encryptable/encrypted partition supported\n");
}
@@ -881,7 +869,8 @@
if (fstab->recs[i].fs_mgr_flags & MF_VOLDMANAGED) {
continue;
}
- if (!(fstab->recs[i].fs_mgr_flags & (MF_CRYPT | MF_FORCECRYPT))) {
+ if (!(fstab->recs[i].fs_mgr_flags
+ & (MF_CRYPT | MF_FORCECRYPT | MF_FORCEFDEORFBE))) {
continue;
}
diff --git a/fs_mgr/fs_mgr_format.c b/fs_mgr/fs_mgr_format.c
index c63ff67..0b52e00 100644
--- a/fs_mgr/fs_mgr_format.c
+++ b/fs_mgr/fs_mgr_format.c
@@ -52,7 +52,7 @@
info.len = (off64_t)dev_sz;
/* Use make_ext4fs_internal to avoid wiping an already-wiped partition. */
- rc = make_ext4fs_internal(fd, NULL, NULL, fs_mnt_point, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL);
+ rc = make_ext4fs_internal(fd, NULL, NULL, fs_mnt_point, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL);
if (rc) {
ERROR("make_ext4fs returned %d.\n", rc);
}
diff --git a/fs_mgr/fs_mgr_fstab.c b/fs_mgr/fs_mgr_fstab.c
index cf35b3f..c8c624d 100644
--- a/fs_mgr/fs_mgr_fstab.c
+++ b/fs_mgr/fs_mgr_fstab.c
@@ -64,6 +64,7 @@
{ "encryptable=",MF_CRYPT },
{ "forceencrypt=",MF_FORCECRYPT },
{ "fileencryption",MF_FILEENCRYPTION },
+ { "forcefdeorfbe=",MF_FORCEFDEORFBE },
{ "nonremovable",MF_NONREMOVABLE },
{ "voldmanaged=",MF_VOLDMANAGED},
{ "length=", MF_LENGTH },
@@ -140,6 +141,11 @@
* location of the keys. Get it and return it.
*/
flag_vals->key_loc = strdup(strchr(p, '=') + 1);
+ } else if ((fl[i].flag == MF_FORCEFDEORFBE) && flag_vals) {
+ /* The forcefdeorfbe flag is followed by an = and the
+ * location of the keys. Get it and return it.
+ */
+ flag_vals->key_loc = strdup(strchr(p, '=') + 1);
} else if ((fl[i].flag == MF_LENGTH) && flag_vals) {
/* The length flag is followed by an = and the
* size of the partition. Get it and return it.
@@ -464,7 +470,7 @@
int fs_mgr_is_encryptable(const struct fstab_rec *fstab)
{
- return fstab->fs_mgr_flags & (MF_CRYPT | MF_FORCECRYPT);
+ return fstab->fs_mgr_flags & (MF_CRYPT | MF_FORCECRYPT | MF_FORCEFDEORFBE);
}
int fs_mgr_is_file_encrypted(const struct fstab_rec *fstab)
@@ -472,6 +478,11 @@
return fstab->fs_mgr_flags & MF_FILEENCRYPTION;
}
+int fs_mgr_is_convertible_to_fbe(const struct fstab_rec *fstab)
+{
+ return fstab->fs_mgr_flags & MF_FORCEFDEORFBE;
+}
+
int fs_mgr_is_noemulatedsd(const struct fstab_rec *fstab)
{
return fstab->fs_mgr_flags & MF_NOEMULATEDSD;
diff --git a/fs_mgr/fs_mgr_priv.h b/fs_mgr/fs_mgr_priv.h
index ba0e097..181b6cd 100644
--- a/fs_mgr/fs_mgr_priv.h
+++ b/fs_mgr/fs_mgr_priv.h
@@ -82,6 +82,7 @@
#define MF_FILEENCRYPTION 0x2000
#define MF_FORMATTABLE 0x4000
#define MF_SLOTSELECT 0x8000
+#define MF_FORCEFDEORFBE 0x10000
#define DM_BUF_SIZE 4096
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 27fccf7..0404dbd 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -74,12 +74,12 @@
struct fstab *fs_mgr_read_fstab(const char *fstab_path);
void fs_mgr_free_fstab(struct fstab *fstab);
-#define FS_MGR_MNTALL_DEV_NON_DEFAULT_FILE_ENCRYPTED 5
-#define FS_MGR_MNTALL_DEV_DEFAULT_FILE_ENCRYPTED 4
-#define FS_MGR_MNTALL_DEV_NEEDS_RECOVERY 3
-#define FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION 2
-#define FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED 1
-#define FS_MGR_MNTALL_DEV_NOT_ENCRYPTED 0
+#define FS_MGR_MNTALL_DEV_FILE_ENCRYPTED 5
+#define FS_MGR_MNTALL_DEV_NEEDS_RECOVERY 4
+#define FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION 3
+#define FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED 2
+#define FS_MGR_MNTALL_DEV_NOT_ENCRYPTED 1
+#define FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE 0
#define FS_MGR_MNTALL_FAIL -1
int fs_mgr_mount_all(struct fstab *fstab);
@@ -102,6 +102,7 @@
int fs_mgr_is_verified(const struct fstab_rec *fstab);
int fs_mgr_is_encryptable(const struct fstab_rec *fstab);
int fs_mgr_is_file_encrypted(const struct fstab_rec *fstab);
+int fs_mgr_is_convertible_to_fbe(const struct fstab_rec *fstab);
int fs_mgr_is_noemulatedsd(const struct fstab_rec *fstab);
int fs_mgr_is_notrim(struct fstab_rec *fstab);
int fs_mgr_is_formattable(struct fstab_rec *fstab);
diff --git a/gatekeeperd/tests/gatekeeper_test.cpp b/gatekeeperd/tests/gatekeeper_test.cpp
index c504f92..47a8bfa 100644
--- a/gatekeeperd/tests/gatekeeper_test.cpp
+++ b/gatekeeperd/tests/gatekeeper_test.cpp
@@ -18,9 +18,8 @@
#include <iostream>
#include <gtest/gtest.h>
-#include <UniquePtr.h>
-
#include <hardware/hw_auth_token.h>
+#include <UniquePtr.h>
#include "../SoftGateKeeper.h"
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 69647de..46a866a 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -40,6 +40,8 @@
#define FAKE_BATTERY_CAPACITY 42
#define FAKE_BATTERY_TEMPERATURE 424
#define ALWAYS_PLUGGED_CAPACITY 100
+#define MILLION 1.0e6
+#define DEFAULT_VBUS_VOLTAGE 5000000
namespace android {
@@ -62,6 +64,7 @@
props->chargerUsbOnline = false;
props->chargerWirelessOnline = false;
props->maxChargingCurrent = 0;
+ props->maxChargingVoltage = 0;
props->batteryStatus = BATTERY_STATUS_UNKNOWN;
props->batteryHealth = BATTERY_HEALTH_UNKNOWN;
props->batteryPresent = false;
@@ -255,6 +258,7 @@
props.batteryTechnology = String8(buf);
unsigned int i;
+ double MaxPower = 0;
for (i = 0; i < mChargerNames.size(); i++) {
String8 path;
@@ -283,11 +287,23 @@
path.clear();
path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
mChargerNames[i].string());
- if (access(path.string(), R_OK) == 0) {
- int maxChargingCurrent = getIntField(path);
- if (props.maxChargingCurrent < maxChargingCurrent) {
- props.maxChargingCurrent = maxChargingCurrent;
- }
+ int ChargingCurrent =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) : 0;
+
+ path.clear();
+ path.appendFormat("%s/%s/voltage_max", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+
+ int ChargingVoltage =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) :
+ DEFAULT_VBUS_VOLTAGE;
+
+ double power = ((double)ChargingCurrent / MILLION) *
+ ((double)ChargingVoltage / MILLION);
+ if (MaxPower < power) {
+ props.maxChargingCurrent = ChargingCurrent;
+ props.maxChargingVoltage = ChargingVoltage;
+ MaxPower = power;
}
}
}
@@ -416,9 +432,10 @@
int v;
char vs[128];
- snprintf(vs, sizeof(vs), "ac: %d usb: %d wireless: %d current_max: %d\n",
+ snprintf(vs, sizeof(vs), "ac: %d usb: %d wireless: %d current_max: %d voltage_max: %d\n",
props.chargerAcOnline, props.chargerUsbOnline,
- props.chargerWirelessOnline, props.maxChargingCurrent);
+ props.chargerWirelessOnline, props.maxChargingCurrent,
+ props.maxChargingVoltage);
write(fd, vs, strlen(vs));
snprintf(vs, sizeof(vs), "status: %d health: %d present: %d\n",
props.batteryStatus, props.batteryHealth, props.batteryPresent);
@@ -637,7 +654,7 @@
KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
if (mHealthdConfig->batteryTechnologyPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");
- if (mHealthdConfig->batteryCurrentNowPath.isEmpty())
+ if (mHealthdConfig->batteryCurrentNowPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryCurrentNowPath not found\n");
if (mHealthdConfig->batteryFullChargePath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryFullChargePath not found\n");
diff --git a/include/cutils/fs.h b/include/cutils/fs.h
index 70f0b92..be9e819 100644
--- a/include/cutils/fs.h
+++ b/include/cutils/fs.h
@@ -40,11 +40,18 @@
#endif
/*
- * Ensure that directory exists with given mode and owners.
+ * Ensure that directory exists with given mode and owners. If it exists
+ * with a different mode or owners, they are fixed to match the given values.
*/
extern int fs_prepare_dir(const char* path, mode_t mode, uid_t uid, gid_t gid);
/*
+ * Ensure that directory exists with given mode and owners. If it exists
+ * with different owners, they are not fixed and -1 is returned.
+ */
+extern int fs_prepare_dir_strict(const char* path, mode_t mode, uid_t uid, gid_t gid);
+
+/*
* Read single plaintext integer from given file, correctly handling files
* partially written with fs_write_atomic_int().
*/
diff --git a/include/cutils/multiuser.h b/include/cutils/multiuser.h
index 635ddb1..7e7f815 100644
--- a/include/cutils/multiuser.h
+++ b/include/cutils/multiuser.h
@@ -26,6 +26,8 @@
// NOTE: keep in sync with android.os.UserId
#define MULTIUSER_APP_PER_USER_RANGE 100000
+#define MULTIUSER_FIRST_SHARED_APPLICATION_GID 50000
+#define MULTIUSER_FIRST_APPLICATION_UID 10000
typedef uid_t userid_t;
typedef uid_t appid_t;
@@ -33,6 +35,7 @@
extern userid_t multiuser_get_user_id(uid_t uid);
extern appid_t multiuser_get_app_id(uid_t uid);
extern uid_t multiuser_get_uid(userid_t userId, appid_t appId);
+extern appid_t multiuser_get_shared_app_gid(uid_t uid);
#ifdef __cplusplus
}
diff --git a/include/cutils/sched_policy.h b/include/cutils/sched_policy.h
index 6a8d570..591bd44 100644
--- a/include/cutils/sched_policy.h
+++ b/include/cutils/sched_policy.h
@@ -29,6 +29,7 @@
SP_SYSTEM = 2, // can't be used with set_sched_policy()
SP_AUDIO_APP = 3,
SP_AUDIO_SYS = 4,
+ SP_TOP_APP = 5,
SP_CNT,
SP_MAX = SP_CNT - 1,
SP_SYSTEM_DEFAULT = SP_FOREGROUND,
diff --git a/include/private/android_logger.h b/include/private/android_logger.h
index 04238a6..c3ea1ed 100644
--- a/include/private/android_logger.h
+++ b/include/private/android_logger.h
@@ -19,7 +19,10 @@
#ifndef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
#define _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+/* Android private interfaces */
+
#include <stdint.h>
+#include <sys/types.h>
#include <log/log.h>
#include <log/log_read.h>
@@ -95,4 +98,35 @@
char data[];
} android_log_event_string_t;
+#if defined(__cplusplus)
+extern "C" {
#endif
+
+#define ANDROID_LOG_PMSG_FILE_MAX_SEQUENCE 256 /* 1MB file */
+#define ANDROID_LOG_PMSG_FILE_SEQUENCE 1000
+
+ssize_t __android_log_pmsg_file_write(
+ log_id_t logId,
+ char prio,
+ const char *filename,
+ const char *buf, size_t len);
+
+#define LOG_ID_ANY ((log_id_t)-1)
+#define ANDROID_LOG_ANY ANDROID_LOG_UNKNOWN
+
+/* first 5 arguments match __android_log_msg_file_write, a cast is safe */
+typedef ssize_t (*__android_log_pmsg_file_read_fn)(
+ log_id_t logId,
+ char prio,
+ const char *filename,
+ const char *buf, size_t len, void *arg);
+
+ssize_t __android_log_pmsg_file_read(
+ log_id_t logId, char prio, const char *prefix,
+ __android_log_pmsg_file_read_fn fn, void *arg);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_ */
diff --git a/include/system/graphics.h b/include/system/graphics.h
index cf2d7de..880cb9f 100644
--- a/include/system/graphics.h
+++ b/include/system/graphics.h
@@ -17,6 +17,7 @@
#ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H
#define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H
+#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
@@ -552,6 +553,37 @@
* which describes both gamma curve and numeric range (within the bit depth).
*
* Other dataspaces include depth measurement data from a depth camera.
+ *
+ * A dataspace is comprised of a number of fields.
+ *
+ * Version
+ * --------
+ * The top 2 bits represent the revision of the field specification. This is
+ * currently always 0.
+ *
+ *
+ * bits 31-30 29 - 0
+ * +-----+----------------------------------------------------+
+ * fields | Rev | Revision specific fields |
+ * +-----+----------------------------------------------------+
+ *
+ * Field layout for version = 0:
+ * ----------------------------
+ *
+ * A dataspace is comprised of the following fields:
+ * Standard
+ * Transfer function
+ * Range
+ *
+ * bits 31-30 29-27 26 - 22 21 - 16 15 - 0
+ * +-----+-----+--------+--------+----------------------------+
+ * fields | 0 |Range|Transfer|Standard| Legacy and custom |
+ * +-----+-----+--------+--------+----------------------------+
+ * VV RRR TTTTT SSSSSS LLLLLLLL LLLLLLLL
+ *
+ * If range, transfer and standard fields are all 0 (e.g. top 16 bits are
+ * all zeroes), the bottom 16 bits contain either a legacy dataspace value,
+ * or a custom value.
*/
typedef enum android_dataspace {
@@ -580,14 +612,309 @@
HAL_DATASPACE_ARBITRARY = 0x1,
/*
- * RGB Colorspaces
- * -----------------
+ * Color-description aspects
*
- * Primaries are given using (x,y) coordinates in the CIE 1931 definition
- * of x and y specified by ISO 11664-1.
+ * The following aspects define various characteristics of the color
+ * specification. These represent bitfields, so that a data space value
+ * can specify each of them independently.
+ */
+
+ HAL_DATASPACE_STANDARD_SHIFT = 16,
+
+ /*
+ * Standard aspect
+ *
+ * Defines the chromaticity coordinates of the source primaries in terms of
+ * the CIE 1931 definition of x and y specified in ISO 11664-1.
+ */
+ HAL_DATASPACE_STANDARD_MASK = 63 << HAL_DATASPACE_STANDARD_SHIFT, // 0x3F
+
+ /*
+ * Chromacity coordinates are unknown or are determined by the application.
+ * Implementations shall use the following suggested standards:
+ *
+ * All YCbCr formats: BT709 if size is 720p or larger (since most video
+ * content is letterboxed this corresponds to width is
+ * 1280 or greater, or height is 720 or greater).
+ * BT601_625 if size is smaller than 720p or is JPEG.
+ * All RGB formats: BT709.
+ *
+ * For all other formats standard is undefined, and implementations should use
+ * an appropriate standard for the data represented.
+ */
+ HAL_DATASPACE_STANDARD_UNSPECIFIED = 0 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.300 0.600
+ * blue 0.150 0.060
+ * red 0.640 0.330
+ * white (D65) 0.3127 0.3290
+ *
+ * Use the unadjusted KR = 0.2126, KB = 0.0722 luminance interpretation
+ * for RGB conversion.
+ */
+ HAL_DATASPACE_STANDARD_BT709 = 1 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.290 0.600
+ * blue 0.150 0.060
+ * red 0.640 0.330
+ * white (D65) 0.3127 0.3290
+ *
+ * KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+ * for RGB conversion from the one purely determined by the primaries
+ * to minimize the color shift into RGB space that uses BT.709
+ * primaries.
+ */
+ HAL_DATASPACE_STANDARD_BT601_625 = 2 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.290 0.600
+ * blue 0.150 0.060
+ * red 0.640 0.330
+ * white (D65) 0.3127 0.3290
+ *
+ * Use the unadjusted KR = 0.222, KB = 0.071 luminance interpretation
+ * for RGB conversion.
+ */
+ HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED = 3 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.310 0.595
+ * blue 0.155 0.070
+ * red 0.630 0.340
+ * white (D65) 0.3127 0.3290
+ *
+ * KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+ * for RGB conversion from the one purely determined by the primaries
+ * to minimize the color shift into RGB space that uses BT.709
+ * primaries.
+ */
+ HAL_DATASPACE_STANDARD_BT601_525 = 4 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.310 0.595
+ * blue 0.155 0.070
+ * red 0.630 0.340
+ * white (D65) 0.3127 0.3290
+ *
+ * Use the unadjusted KR = 0.212, KB = 0.087 luminance interpretation
+ * for RGB conversion (as in SMPTE 240M).
+ */
+ HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED = 5 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.170 0.797
+ * blue 0.131 0.046
+ * red 0.708 0.292
+ * white (D65) 0.3127 0.3290
+ *
+ * Use the unadjusted KR = 0.2627, KB = 0.0593 luminance interpretation
+ * for RGB conversion.
+ */
+ HAL_DATASPACE_STANDARD_BT2020 = 6 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.170 0.797
+ * blue 0.131 0.046
+ * red 0.708 0.292
+ * white (D65) 0.3127 0.3290
+ *
+ * Use the unadjusted KR = 0.2627, KB = 0.0593 luminance interpretation
+ * for RGB conversion using the linear domain.
+ */
+ HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE = 7 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.21 0.71
+ * blue 0.14 0.08
+ * red 0.67 0.33
+ * white (C) 0.310 0.316
+ *
+ * Use the unadjusted KR = 0.30, KB = 0.11 luminance interpretation
+ * for RGB conversion.
+ */
+ HAL_DATASPACE_STANDARD_BT470M = 8 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ /*
+ * Primaries: x y
+ * green 0.243 0.692
+ * blue 0.145 0.049
+ * red 0.681 0.319
+ * white (C) 0.310 0.316
+ *
+ * Use the unadjusted KR = 0.254, KB = 0.068 luminance interpretation
+ * for RGB conversion.
+ */
+ HAL_DATASPACE_STANDARD_FILM = 9 << HAL_DATASPACE_STANDARD_SHIFT,
+
+ HAL_DATASPACE_TRANSFER_SHIFT = 22,
+
+ /*
+ * Transfer aspect
*
* Transfer characteristics are the opto-electronic transfer characteristic
* at the source as a function of linear optical intensity (luminance).
+ *
+ * For digital signals, E corresponds to the recorded value. Normally, the
+ * transfer function is applied in RGB space to each of the R, G and B
+ * components independently. This may result in color shift that can be
+ * minized by applying the transfer function in Lab space only for the L
+ * component. Implementation may apply the transfer function in RGB space
+ * for all pixel formats if desired.
+ */
+
+ HAL_DATASPACE_TRANSFER_MASK = 31 << HAL_DATASPACE_TRANSFER_SHIFT, // 0x1F
+
+ /*
+ * Transfer characteristics are unknown or are determined by the
+ * application.
+ *
+ * Implementations should use the following transfer functions:
+ *
+ * For YCbCr formats: use HAL_DATASPACE_TRANSFER_SMPTE_170M
+ * For RGB formats: use HAL_DATASPACE_TRANSFER_SRGB
+ *
+ * For all other formats transfer function is undefined, and implementations
+ * should use an appropriate standard for the data represented.
+ */
+ HAL_DATASPACE_TRANSFER_UNSPECIFIED = 0 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * Transfer characteristic curve:
+ * E = L
+ * L - luminance of image 0 <= L <= 1 for conventional colorimetry
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_LINEAR = 1 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * Transfer characteristic curve:
+ *
+ * E = 1.055 * L^(1/2.4) - 0.055 for 0.0031308 <= L <= 1
+ * = 12.92 * L for 0 <= L < 0.0031308
+ * L - luminance of image 0 <= L <= 1 for conventional colorimetry
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_SRGB = 2 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * BT.601 525, BT.601 625, BT.709, BT.2020
+ *
+ * Transfer characteristic curve:
+ * E = 1.099 * L ^ 0.45 - 0.099 for 0.018 <= L <= 1
+ * = 4.500 * L for 0 <= L < 0.018
+ * L - luminance of image 0 <= L <= 1 for conventional colorimetry
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_SMPTE_170M = 3 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * Assumed display gamma 2.2.
+ *
+ * Transfer characteristic curve:
+ * E = L ^ (1/2.2)
+ * L - luminance of image 0 <= L <= 1 for conventional colorimetry
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_GAMMA2_2 = 4 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * display gamma 2.8.
+ *
+ * Transfer characteristic curve:
+ * E = L ^ (1/2.8)
+ * L - luminance of image 0 <= L <= 1 for conventional colorimetry
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_GAMMA2_8 = 5 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * SMPTE ST 2084
+ *
+ * Transfer characteristic curve:
+ * E = ((c1 + c2 * L^n) / (1 + c3 * L^n)) ^ m
+ * c1 = c3 - c2 + 1 = 3424 / 4096 = 0.8359375
+ * c2 = 32 * 2413 / 4096 = 18.8515625
+ * c3 = 32 * 2392 / 4096 = 18.6875
+ * m = 128 * 2523 / 4096 = 78.84375
+ * n = 0.25 * 2610 / 4096 = 0.1593017578125
+ * L - luminance of image 0 <= L <= 1 for HDR colorimetry.
+ * L = 1 corresponds to 10000 cd/m2
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_ST2084 = 6 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ /*
+ * ARIB STD-B67 Hybrid Log Gamma
+ *
+ * Transfer characteristic curve:
+ * E = r * L^0.5 for 0 <= L <= 1
+ * = a * ln(L - b) + c for 1 < L
+ * a = 0.17883277
+ * b = 0.28466892
+ * c = 0.55991073
+ * r = 0.5
+ * L - luminance of image 0 <= L for HDR colorimetry. L = 1 corresponds
+ * to reference white level of 100 cd/m2
+ * E - corresponding electrical signal
+ */
+ HAL_DATASPACE_TRANSFER_HLG = 7 << HAL_DATASPACE_TRANSFER_SHIFT,
+
+ HAL_DATASPACE_RANGE_SHIFT = 27,
+
+ /*
+ * Range aspect
+ *
+ * Defines the range of values corresponding to the unit range of 0-1.
+ * This is defined for YCbCr only, but can be expanded to RGB space.
+ */
+ HAL_DATASPACE_RANGE_MASK = 7 << HAL_DATASPACE_RANGE_SHIFT, // 0x7
+
+ /*
+ * Range is unknown or are determined by the application. Implementations
+ * shall use the following suggested ranges:
+ *
+ * All YCbCr formats: limited range.
+ * All RGB or RGBA formats (including RAW and Bayer): full range.
+ * All Y formats: full range
+ *
+ * For all other formats range is undefined, and implementations should use
+ * an appropriate range for the data represented.
+ */
+ HAL_DATASPACE_RANGE_UNSPECIFIED = 0 << HAL_DATASPACE_RANGE_SHIFT,
+
+ /*
+ * Full range uses all values for Y, Cb and Cr from
+ * 0 to 2^b-1, where b is the bit depth of the color format.
+ */
+ HAL_DATASPACE_RANGE_FULL = 1 << HAL_DATASPACE_RANGE_SHIFT,
+
+ /*
+ * Limited range uses values 16/256*2^b to 235/256*2^b for Y, and
+ * 1/16*2^b to 15/16*2^b for Cb, Cr, R, G and B, where b is the bit depth of
+ * the color format.
+ *
+ * E.g. For 8-bit-depth formats:
+ * Luma (Y) samples should range from 16 to 235, inclusive
+ * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive
+ *
+ * For 10-bit-depth formats:
+ * Luma (Y) samples should range from 64 to 940, inclusive
+ * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive
+ */
+ HAL_DATASPACE_RANGE_LIMITED = 2 << HAL_DATASPACE_RANGE_SHIFT,
+
+ /*
+ * Legacy dataspaces
*/
/*
@@ -600,34 +927,30 @@
* The values are encoded using the full range ([0,255] for 8-bit) for all
* components.
*/
- HAL_DATASPACE_SRGB_LINEAR = 0x200,
+ HAL_DATASPACE_SRGB_LINEAR = 0x200, // deprecated, use HAL_DATASPACE_V0_SRGB_LINEAR
+
+ HAL_DATASPACE_V0_SRGB_LINEAR = HAL_DATASPACE_STANDARD_BT709 |
+ HAL_DATASPACE_TRANSFER_LINEAR | HAL_DATASPACE_RANGE_FULL,
+
/*
* sRGB gamma encoding:
*
* The red, green and blue components are stored in sRGB space, and
- * converted to linear space when read, using the standard sRGB to linear
- * equation:
- *
- * Clinear = Csrgb / 12.92 for Csrgb <= 0.04045
- * = (Csrgb + 0.055 / 1.055)^2.4 for Csrgb > 0.04045
- *
- * When written the inverse transformation is performed:
- *
- * Csrgb = 12.92 * Clinear for Clinear <= 0.0031308
- * = 1.055 * Clinear^(1/2.4) - 0.055 for Clinear > 0.0031308
- *
+ * converted to linear space when read, using the SRGB transfer function
+ * for each of the R, G and B components. When written, the inverse
+ * transformation is performed.
*
* The alpha component, if present, is always stored in linear space and
* is left unmodified when read or written.
*
- * The RGB primaries and the white point are the same as BT.709.
- *
- * The values are encoded using the full range ([0,255] for 8-bit) for all
- * components.
- *
+ * Use full range and BT.709 standard.
*/
- HAL_DATASPACE_SRGB = 0x201,
+ HAL_DATASPACE_SRGB = 0x201, // deprecated, use HAL_DATASPACE_V0_SRGB
+
+ HAL_DATASPACE_V0_SRGB = HAL_DATASPACE_STANDARD_BT709 |
+ HAL_DATASPACE_TRANSFER_SRGB | HAL_DATASPACE_RANGE_FULL,
+
/*
* YCbCr Colorspaces
@@ -645,94 +968,53 @@
*
* Same model as BT.601-625, but all values (Y, Cb, Cr) range from 0 to 255
*
- * Transfer characteristic curve:
- * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018
- * E = 4.500 L, 0.018 > L >= 0
- * L - luminance of image 0 <= L <= 1 for conventional colorimetry
- * E - corresponding electrical signal
- *
- * Primaries: x y
- * green 0.290 0.600
- * blue 0.150 0.060
- * red 0.640 0.330
- * white (D65) 0.3127 0.3290
+ * Use full range, BT.601 transfer and BT.601_625 standard.
*/
- HAL_DATASPACE_JFIF = 0x101,
+ HAL_DATASPACE_JFIF = 0x101, // deprecated, use HAL_DATASPACE_V0_JFIF
+
+ HAL_DATASPACE_V0_JFIF = HAL_DATASPACE_STANDARD_BT601_625 |
+ HAL_DATASPACE_TRANSFER_SMPTE_170M | HAL_DATASPACE_RANGE_FULL,
/*
* ITU-R Recommendation 601 (BT.601) - 625-line
*
* Standard-definition television, 625 Lines (PAL)
*
- * For 8-bit-depth formats:
- * Luma (Y) samples should range from 16 to 235, inclusive
- * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive
- *
- * For 10-bit-depth formats:
- * Luma (Y) samples should range from 64 to 940, inclusive
- * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive
- *
- * Transfer characteristic curve:
- * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018
- * E = 4.500 L, 0.018 > L >= 0
- * L - luminance of image 0 <= L <= 1 for conventional colorimetry
- * E - corresponding electrical signal
- *
- * Primaries: x y
- * green 0.290 0.600
- * blue 0.150 0.060
- * red 0.640 0.330
- * white (D65) 0.3127 0.3290
+ * Use limited range, BT.601 transfer and BT.601_625 standard.
*/
- HAL_DATASPACE_BT601_625 = 0x102,
+ HAL_DATASPACE_BT601_625 = 0x102, // deprecated, use HAL_DATASPACE_V0_BT601_625
+
+ HAL_DATASPACE_V0_BT601_625 = HAL_DATASPACE_STANDARD_BT601_625 |
+ HAL_DATASPACE_TRANSFER_SMPTE_170M | HAL_DATASPACE_RANGE_LIMITED,
+
/*
* ITU-R Recommendation 601 (BT.601) - 525-line
*
* Standard-definition television, 525 Lines (NTSC)
*
- * For 8-bit-depth formats:
- * Luma (Y) samples should range from 16 to 235, inclusive
- * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive
- *
- * For 10-bit-depth formats:
- * Luma (Y) samples should range from 64 to 940, inclusive
- * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive
- *
- * Transfer characteristic curve:
- * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018
- * E = 4.500 L, 0.018 > L >= 0
- * L - luminance of image 0 <= L <= 1 for conventional colorimetry
- * E - corresponding electrical signal
- *
- * Primaries: x y
- * green 0.310 0.595
- * blue 0.155 0.070
- * red 0.630 0.340
- * white (D65) 0.3127 0.3290
+ * Use limited range, BT.601 transfer and BT.601_525 standard.
*/
- HAL_DATASPACE_BT601_525 = 0x103,
+ HAL_DATASPACE_BT601_525 = 0x103, // deprecated, use HAL_DATASPACE_V0_BT601_525
+
+ HAL_DATASPACE_V0_BT601_525 = HAL_DATASPACE_STANDARD_BT601_525 |
+ HAL_DATASPACE_TRANSFER_SMPTE_170M | HAL_DATASPACE_RANGE_LIMITED,
/*
* ITU-R Recommendation 709 (BT.709)
*
* High-definition television
*
- * For 8-bit-depth formats:
- * Luma (Y) samples should range from 16 to 235, inclusive
- * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive
- *
- * For 10-bit-depth formats:
- * Luma (Y) samples should range from 64 to 940, inclusive
- * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive
- *
- * Primaries: x y
- * green 0.300 0.600
- * blue 0.150 0.060
- * red 0.640 0.330
- * white (D65) 0.3127 0.3290
+ * Use limited range, BT.709 transfer and BT.709 standard.
*/
- HAL_DATASPACE_BT709 = 0x104,
+ HAL_DATASPACE_BT709 = 0x104, // deprecated, use HAL_DATASPACE_V0_BT709
+
+ HAL_DATASPACE_V0_BT709 = HAL_DATASPACE_STANDARD_BT709 |
+ HAL_DATASPACE_TRANSFER_SMPTE_170M | HAL_DATASPACE_RANGE_LIMITED,
+
+ /*
+ * Data spaces for non-color formats
+ */
/*
* The buffer contains depth ranging measurements from a depth camera.
diff --git a/include/system/radio.h b/include/system/radio.h
index a088526..9e291c8 100644
--- a/include/system/radio.h
+++ b/include/system/radio.h
@@ -94,6 +94,7 @@
radio_rds_t rds; /* RDS variants supported */
bool ta; /* Traffic Announcement supported */
bool af; /* Alternate Frequency supported */
+ bool ea; /* Emergency announcements supported */
} radio_hal_fm_band_config_t;
/* Additional attributes for an AM band configuration */
@@ -184,6 +185,7 @@
RADIO_EVENT_METADATA = 4, /* New meta data received */
RADIO_EVENT_TA = 5, /* Traffic announcement start or stop */
RADIO_EVENT_AF_SWITCH = 6, /* Switch to Alternate Frequency */
+ RADIO_EVENT_EA = 7, /* Emergency announcement start or stop */
// begin framework only events
RADIO_EVENT_CONTROL = 100, /* loss/gain of tuner control */
RADIO_EVENT_SERVER_DIED = 101, /* radio service died */
@@ -195,7 +197,8 @@
radio_event_type_t type; /* event type */
int status; /* used by RADIO_EVENT_CONFIG, RADIO_EVENT_TUNED */
union {
- bool on; /* RADIO_EVENT_ANTENNA, RADIO_EVENT_TA */
+ /* RADIO_EVENT_ANTENNA, RADIO_EVENT_TA, RADIO_EVENT_EA */
+ bool on;
radio_hal_band_config_t config; /* RADIO_EVENT_CONFIG */
radio_program_info_t info; /* RADIO_EVENT_TUNED, RADIO_EVENT_AF_SWITCH */
radio_metadata_t *metadata; /* RADIO_EVENT_METADATA */
diff --git a/include/system/window.h b/include/system/window.h
index 508ce00..1ca093f 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -25,6 +25,7 @@
#include <sys/cdefs.h>
#include <system/graphics.h>
#include <unistd.h>
+#include <stdbool.h>
#ifndef __UNUSED
#define __UNUSED __attribute__((__unused__))
@@ -311,6 +312,8 @@
NATIVE_WINDOW_SET_SIDEBAND_STREAM = 18,
NATIVE_WINDOW_SET_BUFFERS_DATASPACE = 19,
NATIVE_WINDOW_SET_SURFACE_DAMAGE = 20, /* private */
+ NATIVE_WINDOW_SET_SINGLE_BUFFER_MODE = 21,
+ NATIVE_WINDOW_SET_AUTO_REFRESH = 22,
};
/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -351,7 +354,8 @@
NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY = 0x08
};
-/* parameter for NATIVE_WINDOW_SET_SCALING_MODE */
+/* parameter for NATIVE_WINDOW_SET_SCALING_MODE
+ * keep in sync with Surface.java in frameworks/base */
enum {
/* the window content is not updated (frozen) until a buffer of
* the window size is received (enqueued)
@@ -949,6 +953,29 @@
rects, numRects);
}
+/*
+ * native_window_set_single_buffer_mode(..., bool singleBufferMode)
+ * Enable/disable single buffer mode
+ */
+static inline int native_window_set_single_buffer_mode(
+ struct ANativeWindow* window,
+ bool singleBufferMode)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_SINGLE_BUFFER_MODE,
+ singleBufferMode);
+}
+
+/*
+ * native_window_set_auto_refresh(..., autoRefresh)
+ * Enable/disable auto refresh when in single buffer mode
+ */
+static inline int native_window_set_auto_refresh(
+ struct ANativeWindow* window,
+ bool autoRefresh)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_AUTO_REFRESH, autoRefresh);
+}
+
__END_DECLS
#endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */
diff --git a/include/usbhost/usbhost.h b/include/usbhost/usbhost.h
index 4350ec1..88b5b44 100644
--- a/include/usbhost/usbhost.h
+++ b/include/usbhost/usbhost.h
@@ -219,6 +219,9 @@
int length,
unsigned int timeout);
+/** Reset USB bus for the device */
+int usb_device_reset(struct usb_device *device);
+
/* Creates a new usb_request. */
struct usb_request *usb_request_new(struct usb_device *dev,
const struct usb_endpoint_descriptor *ep_desc);
diff --git a/include/utils/Thread.h b/include/utils/Thread.h
index 1532b7e..3792db7 100644
--- a/include/utils/Thread.h
+++ b/include/utils/Thread.h
@@ -45,7 +45,7 @@
virtual ~Thread();
// Start the thread in threadLoop() which needs to be implemented.
- virtual status_t run( const char* name = 0,
+ virtual status_t run( const char* name,
int32_t priority = PRIORITY_DEFAULT,
size_t stack = 0);
diff --git a/include/ziparchive/zip_archive.h b/include/ziparchive/zip_archive.h
index 3591a6b..7dc60ae 100644
--- a/include/ziparchive/zip_archive.h
+++ b/include/ziparchive/zip_archive.h
@@ -152,6 +152,9 @@
* if this file entry contains a data descriptor footer. To verify crc32s
* and length, a call to VerifyCrcAndLengths must be made after entry data
* has been processed.
+ *
+ * On non-Windows platforms this method does not modify internal state and
+ * can be called concurrently.
*/
int32_t FindEntry(const ZipArchiveHandle handle, const ZipString& entryName,
ZipEntry* data);
diff --git a/init/Android.mk b/init/Android.mk
index 66ce8a8..d8b574f 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -89,8 +89,8 @@
libsquashfs_utils \
liblogwrap \
libcutils \
- libbase \
libext4_utils_static \
+ libbase \
libutils \
libc \
libselinux \
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 35f1a9e..2e72832 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -501,16 +501,16 @@
property_set("vold.decrypt", "trigger_default_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
property_set("ro.crypto.state", "unencrypted");
- /* If fs_mgr determined this is an unencrypted device, then trigger
- * that action.
- */
+ ActionManager::GetInstance().QueueEventTrigger("nonencrypted");
+ } else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTABLE) {
+ property_set("ro.crypto.state", "unsupported");
ActionManager::GetInstance().QueueEventTrigger("nonencrypted");
} else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
/* Setup a wipe via recovery, and reboot into recovery */
ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
ret = wipe_data_via_recovery();
/* If reboot worked, there is no return. */
- } else if (ret == FS_MGR_MNTALL_DEV_DEFAULT_FILE_ENCRYPTED) {
+ } else if (ret == FS_MGR_MNTALL_DEV_FILE_ENCRYPTED) {
if (e4crypt_install_keyring()) {
return -1;
}
@@ -520,13 +520,6 @@
// Although encrypted, we have device key, so we do not need to
// do anything different from the nonencrypted case.
ActionManager::GetInstance().QueueEventTrigger("nonencrypted");
- } else if (ret == FS_MGR_MNTALL_DEV_NON_DEFAULT_FILE_ENCRYPTED) {
- if (e4crypt_install_keyring()) {
- return -1;
- }
- property_set("ro.crypto.state", "encrypted");
- property_set("ro.crypto.type", "file");
- property_set("vold.decrypt", "trigger_restart_min_framework");
} else if (ret > 0) {
ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
}
@@ -884,11 +877,8 @@
do_installkeys_ensure_dir_exists);
}
-static int do_setusercryptopolicies(const std::vector<std::string>& args) {
- if (!is_file_crypto()) {
- return 0;
- }
- return e4crypt_set_user_crypto_policies(args[1].c_str());
+static int do_init_user0(const std::vector<std::string>& args) {
+ return e4crypt_do_init_user0();
}
BuiltinFunctionMap::Map& BuiltinFunctionMap::map() const {
@@ -907,6 +897,7 @@
{"export", {2, 2, do_export}},
{"hostname", {1, 1, do_hostname}},
{"ifup", {1, 1, do_ifup}},
+ {"init_user0", {0, 0, do_init_user0}},
{"insmod", {1, kMax, do_insmod}},
{"installkey", {1, 1, do_installkey}},
{"load_persist_props", {0, 0, do_load_persist_props}},
@@ -923,7 +914,6 @@
{"rmdir", {1, 1, do_rmdir}},
{"setprop", {2, 2, do_setprop}},
{"setrlimit", {3, 3, do_setrlimit}},
- {"setusercryptopolicies", {1, 1, do_setusercryptopolicies}},
{"start", {1, 1, do_start}},
{"stop", {1, 1, do_stop}},
{"swapon_all", {1, 1, do_swapon_all}},
diff --git a/init/init.cpp b/init/init.cpp
index b1e3a9d..69f0595 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -353,7 +353,7 @@
&& set_mmap_rnd_bits_min(16, 16, true)) {
ret = 0;
}
-#elif defined(__x86__64__)
+#elif defined(__x86_64__)
/* x86_64 supports 28 - 32 bits */
if (set_mmap_rnd_bits_min(32, 32, false)
&& set_mmap_rnd_bits_min(16, 16, true)) {
@@ -372,6 +372,11 @@
#else
ERROR("Unknown architecture\n");
#endif
+
+#ifdef __BRILLO__
+ // TODO: b/27794137
+ ret = 0;
+#endif
if (ret == -1) {
ERROR("Unable to set adequate mmap entropy value!\n");
security_failure();
diff --git a/libcutils/fs.c b/libcutils/fs.c
index 45c7add..5e2ef0b 100644
--- a/libcutils/fs.c
+++ b/libcutils/fs.c
@@ -37,7 +37,8 @@
#define ALL_PERMS (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO)
#define BUF_SIZE 64
-int fs_prepare_dir(const char* path, mode_t mode, uid_t uid, gid_t gid) {
+static int fs_prepare_dir_impl(const char* path, mode_t mode, uid_t uid, gid_t gid,
+ int allow_fixup) {
// Check if path needs to be created
struct stat sb;
if (TEMP_FAILURE_RETRY(lstat(path, &sb)) == -1) {
@@ -54,10 +55,22 @@
ALOGE("Not a directory: %s", path);
return -1;
}
- if (((sb.st_mode & ALL_PERMS) == mode) && (sb.st_uid == uid) && (sb.st_gid == gid)) {
+ int owner_match = ((sb.st_uid == uid) && (sb.st_gid == gid));
+ int mode_match = ((sb.st_mode & ALL_PERMS) == mode);
+ if (owner_match && mode_match) {
return 0;
- } else {
+ } else if (allow_fixup) {
goto fixup;
+ } else {
+ if (!owner_match) {
+ ALOGE("Expected path %s with owner %d:%d but found %d:%d",
+ path, uid, gid, sb.st_uid, sb.st_gid);
+ return -1;
+ } else {
+ ALOGW("Expected path %s with mode %o but found %o",
+ path, mode, (sb.st_mode & ALL_PERMS));
+ return 0;
+ }
}
create:
@@ -81,6 +94,14 @@
return 0;
}
+int fs_prepare_dir(const char* path, mode_t mode, uid_t uid, gid_t gid) {
+ return fs_prepare_dir_impl(path, mode, uid, gid, 1);
+}
+
+int fs_prepare_dir_strict(const char* path, mode_t mode, uid_t uid, gid_t gid) {
+ return fs_prepare_dir_impl(path, mode, uid, gid, 0);
+}
+
int fs_read_atomic_int(const char* path, int* out_value) {
int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY));
if (fd == -1) {
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 6d50adc..0abfcbf 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -79,6 +79,7 @@
{ 00500, AID_ROOT, AID_ROOT, 0, "config" },
{ 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app" },
{ 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app-private" },
+ { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/app-ephemeral" },
{ 00771, AID_ROOT, AID_ROOT, 0, "data/dalvik-cache" },
{ 00771, AID_SYSTEM, AID_SYSTEM, 0, "data/data" },
{ 00771, AID_SHELL, AID_SHELL, 0, "data/local/tmp" },
@@ -117,7 +118,6 @@
{ 00440, AID_ROOT, AID_SHELL, 0, "system/etc/init.goldfish.rc" },
{ 00550, AID_ROOT, AID_SHELL, 0, "system/etc/init.goldfish.sh" },
{ 00550, AID_ROOT, AID_SHELL, 0, "system/etc/init.ril" },
- { 00550, AID_DHCP, AID_SHELL, 0, "system/etc/dhcpcd/dhcpcd-run-hooks" },
{ 00555, AID_ROOT, AID_ROOT, 0, "system/etc/ppp/*" },
{ 00555, AID_ROOT, AID_ROOT, 0, "system/etc/rc.*" },
{ 00440, AID_ROOT, AID_ROOT, 0, "system/etc/recovery.img" },
@@ -126,6 +126,7 @@
{ 00644, AID_SYSTEM, AID_SYSTEM, 0, "data/app/*" },
{ 00644, AID_MEDIA_RW, AID_MEDIA_RW, 0, "data/media/*" },
{ 00644, AID_SYSTEM, AID_SYSTEM, 0, "data/app-private/*" },
+ { 00644, AID_SYSTEM, AID_SYSTEM, 0, "data/app-ephemeral/*" },
{ 00644, AID_APP, AID_APP, 0, "data/data/*" },
{ 00640, AID_ROOT, AID_SHELL, 0, "data/nativetest/tests.txt" },
{ 00640, AID_ROOT, AID_SHELL, 0, "data/nativetest64/tests.txt" },
diff --git a/libcutils/multiuser.c b/libcutils/multiuser.c
index 7c74bb8..0f4427b 100644
--- a/libcutils/multiuser.c
+++ b/libcutils/multiuser.c
@@ -27,3 +27,9 @@
uid_t multiuser_get_uid(userid_t userId, appid_t appId) {
return userId * MULTIUSER_APP_PER_USER_RANGE + (appId % MULTIUSER_APP_PER_USER_RANGE);
}
+
+appid_t multiuser_get_shared_app_gid(uid_t id) {
+ return MULTIUSER_FIRST_SHARED_APPLICATION_GID + (id % MULTIUSER_APP_PER_USER_RANGE)
+ - MULTIUSER_FIRST_APPLICATION_UID;
+
+}
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 6bba3a7..1a26695 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -62,8 +62,10 @@
#ifdef USE_CPUSETS
// File descriptors open to /dev/cpuset/../tasks, setup by initialize, or -1 on error
+static int system_bg_cpuset_fd = -1;
static int bg_cpuset_fd = -1;
static int fg_cpuset_fd = -1;
+static int ta_cpuset_fd = -1; // special cpuset for top app
static int bg_schedboost_fd = -1;
static int fg_schedboost_fd = -1;
#endif
@@ -130,15 +132,19 @@
fg_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);
filename = "/dev/cpuset/background/tasks";
bg_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);
+ filename = "/dev/cpuset/system-background/tasks";
+ system_bg_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);
+ filename = "/dev/cpuset/top-app/tasks";
+ ta_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);
+
#ifdef USE_SCHEDBOOST
- filename = "/sys/fs/cgroup/stune/foreground/tasks";
+ filename = "/dev/stune/foreground/tasks";
fg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);
- filename = "/sys/fs/cgroup/stune/tasks";
+ filename = "/dev/stune/tasks";
bg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);
#endif
}
#endif
-
}
/*
@@ -260,8 +266,8 @@
policy = _policy(policy);
pthread_once(&the_once, __initialize);
- int fd;
- int boost_fd;
+ int fd = -1;
+ int boost_fd = -1;
switch (policy) {
case SP_BACKGROUND:
fd = bg_cpuset_fd;
@@ -273,6 +279,14 @@
fd = fg_cpuset_fd;
boost_fd = fg_schedboost_fd;
break;
+ case SP_TOP_APP :
+ fd = ta_cpuset_fd;
+ boost_fd = fg_schedboost_fd;
+ break;
+ case SP_SYSTEM:
+ fd = system_bg_cpuset_fd;
+ boost_fd = bg_schedboost_fd;
+ break;
default:
boost_fd = fd = -1;
break;
@@ -330,6 +344,7 @@
case SP_FOREGROUND:
case SP_AUDIO_APP:
case SP_AUDIO_SYS:
+ case SP_TOP_APP:
SLOGD("^^^ tid %d (%s)", tid, thread_name);
break;
case SP_SYSTEM:
@@ -350,6 +365,7 @@
case SP_FOREGROUND:
case SP_AUDIO_APP:
case SP_AUDIO_SYS:
+ case SP_TOP_APP:
fd = fg_cgroup_fd;
break;
default:
@@ -404,6 +420,7 @@
[SP_SYSTEM] = " ",
[SP_AUDIO_APP] = "aa",
[SP_AUDIO_SYS] = "as",
+ [SP_TOP_APP] = "ta",
};
if ((policy < SP_CNT) && (strings[policy] != NULL))
return strings[policy];
diff --git a/liblog/Android.bp b/liblog/Android.bp
index 607d667..59c696b 100644
--- a/liblog/Android.bp
+++ b/liblog/Android.bp
@@ -15,20 +15,29 @@
//
liblog_sources = [
- "logd_write.c",
"log_event_list.c",
"log_event_write.c",
+ "logger_write.c",
+ "config_write.c",
+ "logger_name.c",
+ "logger_lock.c",
]
liblog_host_sources = [
"fake_log_device.c",
//"event.logtags",
+ "fake_writer.c",
]
liblog_target_sources = [
"event_tag_map.c",
+ "config_read.c",
"log_time.cpp",
"log_is_loggable.c",
"logprint.c",
- "log_read.c",
+ "pmsg_reader.c",
+ "pmsg_writer.c",
+ "logd_reader.c",
+ "logd_writer.c",
+ "logger_read.c",
]
// Shared and static library for host and device
diff --git a/liblog/Android.mk b/liblog/Android.mk
index 6d53a4a..01c8e77 100644
--- a/liblog/Android.mk
+++ b/liblog/Android.mk
@@ -24,10 +24,14 @@
# so make sure we do not regret hard-coding it as follows:
liblog_cflags := -DLIBLOG_LOG_TAG=1005
-liblog_sources := logd_write.c log_event_list.c log_event_write.c
+liblog_sources := log_event_list.c log_event_write.c logger_write.c
+liblog_sources += config_write.c logger_name.c logger_lock.c
liblog_host_sources := $(liblog_sources) fake_log_device.c event.logtags
+liblog_host_sources += fake_writer.c
liblog_target_sources := $(liblog_sources) event_tag_map.c
-liblog_target_sources += log_time.cpp log_is_loggable.c logprint.c log_read.c
+liblog_target_sources += config_read.c log_time.cpp log_is_loggable.c logprint.c
+liblog_target_sources += pmsg_reader.c pmsg_writer.c
+liblog_target_sources += logd_reader.c logd_writer.c logger_read.c
# Shared and static library for host
# ========================================================
diff --git a/liblog/config_read.c b/liblog/config_read.c
new file mode 100644
index 0000000..1f54152
--- /dev/null
+++ b/liblog/config_read.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "config_read.h"
+#include "logger.h"
+
+LIBLOG_HIDDEN struct listnode __android_log_transport_read =
+ { &__android_log_transport_read, &__android_log_transport_read };
+LIBLOG_HIDDEN struct listnode __android_log_persist_read =
+ { &__android_log_persist_read, &__android_log_persist_read };
+
+static void __android_log_add_transport(
+ struct listnode *list, struct android_log_transport_read *transport) {
+ size_t i;
+
+ /* Try to keep one functioning transport for each log buffer id */
+ for (i = LOG_ID_MIN; i < LOG_ID_MAX; i++) {
+ struct android_log_transport_read *transp;
+
+ if (list_empty(list)) {
+ if (!transport->available || ((*transport->available)(i) >= 0)) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ } else {
+ read_transport_for_each(transp, list) {
+ if (!transp->available) {
+ return;
+ }
+ if (((*transp->available)(i) < 0) &&
+ (!transport->available ||
+ ((*transport->available)(i) >= 0))) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ }
+ }
+ }
+}
+
+LIBLOG_HIDDEN void __android_log_config_read() {
+#if (FAKE_LOG_DEVICE == 0)
+ extern struct android_log_transport_read logdLoggerRead;
+ extern struct android_log_transport_read pmsgLoggerRead;
+
+ __android_log_add_transport(&__android_log_transport_read, &logdLoggerRead);
+ __android_log_add_transport(&__android_log_persist_read, &pmsgLoggerRead);
+#endif
+}
diff --git a/liblog/config_read.h b/liblog/config_read.h
new file mode 100644
index 0000000..67f4c20
--- /dev/null
+++ b/liblog/config_read.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBLOG_CONFIG_READ_H__
+#define _LIBLOG_CONFIG_READ_H__
+
+#include <cutils/list.h>
+
+#include "log_portability.h"
+
+__BEGIN_DECLS
+
+extern LIBLOG_HIDDEN struct listnode __android_log_transport_read;
+extern LIBLOG_HIDDEN struct listnode __android_log_persist_read;
+
+#define read_transport_for_each(transp, transports) \
+ for (transp = node_to_item((transports)->next, \
+ struct android_log_transport_read, node); \
+ (transp != node_to_item(transports, \
+ struct android_log_transport_read, node)); \
+ transp = node_to_item(transp->node.next, \
+ struct android_log_transport_read, node)) \
+
+#define read_transport_for_each_safe(transp, n, transports) \
+ for (transp = node_to_item((transports)->next, \
+ struct android_log_transport_read, node), \
+ n = transp->node.next; \
+ (transp != node_to_item(transports, \
+ struct android_log_transport_read, node)); \
+ transp = node_to_item(n, struct android_log_transport_read, node), \
+ n = transp->node.next)
+
+LIBLOG_HIDDEN void __android_log_config_read();
+
+__END_DECLS
+
+#endif /* _LIBLOG_CONFIG_READ_H__ */
diff --git a/liblog/config_write.c b/liblog/config_write.c
new file mode 100644
index 0000000..d689f63
--- /dev/null
+++ b/liblog/config_write.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "config_write.h"
+#include "logger.h"
+
+LIBLOG_HIDDEN struct listnode __android_log_transport_write =
+ { &__android_log_transport_write, &__android_log_transport_write };
+LIBLOG_HIDDEN struct listnode __android_log_persist_write =
+ { &__android_log_persist_write, &__android_log_persist_write};
+
+static void __android_log_add_transport(
+ struct listnode *list, struct android_log_transport_write *transport) {
+ size_t i;
+
+ /* Try to keep one functioning transport for each log buffer id */
+ for (i = LOG_ID_MIN; i < LOG_ID_MAX; i++) {
+ struct android_log_transport_write *transp;
+
+ if (list_empty(list)) {
+ if (!transport->available || ((*transport->available)(i) >= 0)) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ } else {
+ write_transport_for_each(transp, list) {
+ if (!transp->available) {
+ return;
+ }
+ if (((*transp->available)(i) < 0) &&
+ (!transport->available ||
+ ((*transport->available)(i) >= 0))) {
+ list_add_tail(list, &transport->node);
+ return;
+ }
+ }
+ }
+ }
+}
+
+LIBLOG_HIDDEN void __android_log_config_write() {
+#if (FAKE_LOG_DEVICE == 0)
+ extern struct android_log_transport_write logdLoggerWrite;
+ extern struct android_log_transport_write pmsgLoggerWrite;
+
+ __android_log_add_transport(&__android_log_transport_write, &logdLoggerWrite);
+ __android_log_add_transport(&__android_log_persist_write, &pmsgLoggerWrite);
+#else
+ extern struct android_log_transport_write fakeLoggerWrite;
+
+ __android_log_add_transport(&__android_log_transport_write, &fakeLoggerWrite);
+#endif
+}
diff --git a/liblog/config_write.h b/liblog/config_write.h
new file mode 100644
index 0000000..3a02a4e
--- /dev/null
+++ b/liblog/config_write.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBLOG_CONFIG_WRITE_H__
+#define _LIBLOG_CONFIG_WRITE_H__
+
+#include <cutils/list.h>
+
+#include "log_portability.h"
+
+__BEGIN_DECLS
+
+extern LIBLOG_HIDDEN struct listnode __android_log_transport_write;
+extern LIBLOG_HIDDEN struct listnode __android_log_persist_write;
+
+#define write_transport_for_each(transp, transports) \
+ for (transp = node_to_item((transports)->next, \
+ struct android_log_transport_write, node); \
+ (transp != node_to_item(transports, \
+ struct android_log_transport_write, node)); \
+ transp = node_to_item(transp->node.next, \
+ struct android_log_transport_write, node)) \
+
+#define write_transport_for_each_safe(transp, n, transports) \
+ for (transp = node_to_item((transports)->next, \
+ struct android_log_transport_write, node), \
+ n = transp->node.next; \
+ (transp != node_to_item(transports, \
+ struct android_log_transport_write, node)); \
+ transp = node_to_item(n, struct android_log_transport_write, node), \
+ n = transp->node.next)
+
+LIBLOG_HIDDEN void __android_log_config_write();
+
+__END_DECLS
+
+#endif /* _LIBLOG_CONFIG_WRITE_H__ */
diff --git a/liblog/event_tag_map.c b/liblog/event_tag_map.c
index 870c69a..64d872a 100644
--- a/liblog/event_tag_map.c
+++ b/liblog/event_tag_map.c
@@ -24,7 +24,7 @@
#include <log/event_tag_map.h>
#include <log/log.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
#define OUT_TAG "EventTagMap"
diff --git a/liblog/fake_log_device.c b/liblog/fake_log_device.c
index c73e03e..cc67f3e 100644
--- a/liblog/fake_log_device.c
+++ b/liblog/fake_log_device.c
@@ -31,7 +31,7 @@
#include <log/logd.h>
#include "fake_log_device.h"
-#include "log_cdefs.h"
+#include "log_portability.h"
#define kMaxTagLen 16 /* from the long-dead utils/Log.cpp */
diff --git a/liblog/fake_log_device.h b/liblog/fake_log_device.h
index 672b446..4529b5d 100644
--- a/liblog/fake_log_device.h
+++ b/liblog/fake_log_device.h
@@ -19,7 +19,7 @@
#include <sys/types.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
struct iovec;
diff --git a/liblog/fake_writer.c b/liblog/fake_writer.c
new file mode 100644
index 0000000..dab8bc5
--- /dev/null
+++ b/liblog/fake_writer.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <log/log.h>
+
+#include "config_write.h"
+#include "fake_log_device.h"
+#include "log_portability.h"
+#include "logger.h"
+
+static int fakeOpen();
+static void fakeClose();
+static int fakeWrite(log_id_t log_id, struct timespec *ts,
+ struct iovec *vec, size_t nr);
+
+static int logFds[(int)LOG_ID_MAX] = { -1, -1, -1, -1, -1, -1 };
+
+LIBLOG_HIDDEN struct android_log_transport_write fakeLoggerWrite = {
+ .node = { &fakeLoggerWrite.node, &fakeLoggerWrite.node },
+ .context.private = &logFds,
+ .name = "fake",
+ .available = NULL,
+ .open = fakeOpen,
+ .close = fakeClose,
+ .write = fakeWrite,
+};
+
+static int fakeOpen() {
+ int i;
+
+ for (i = 0; i < LOG_ID_MAX; i++) {
+ char buf[sizeof("/dev/log_security")];
+ snprintf(buf, sizeof(buf), "/dev/log_%s", android_log_id_to_name(i));
+ logFds[i] = fakeLogOpen(buf, O_WRONLY);
+ }
+ return 0;
+}
+
+static void fakeClose() {
+ int i;
+
+ for (i = 0; i < LOG_ID_MAX; i++) {
+ fakeLogClose(logFds[i]);
+ logFds[i] = -1;
+ }
+}
+
+static int fakeWrite(log_id_t log_id, struct timespec *ts __unused,
+ struct iovec *vec, size_t nr)
+{
+ ssize_t ret;
+ int logFd;
+
+ if (/*(int)log_id >= 0 &&*/ (int)log_id >= (int)LOG_ID_MAX) {
+ return -EBADF;
+ }
+
+ logFd = logFds[(int)log_id];
+ ret = TEMP_FAILURE_RETRY(fakeLogWritev(logFd, vec, nr));
+ if (ret < 0) {
+ ret = -errno;
+ }
+
+ return ret;
+}
diff --git a/liblog/log_event_list.c b/liblog/log_event_list.c
index a77c56e..64d9024 100644
--- a/liblog/log_event_list.c
+++ b/liblog/log_event_list.c
@@ -25,7 +25,7 @@
#include <log/log.h>
#include <log/logger.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
#define MAX_EVENT_PAYLOAD (LOGGER_ENTRY_MAX_PAYLOAD - sizeof(int32_t))
diff --git a/liblog/log_event_write.c b/liblog/log_event_write.c
index 3535b94..b9827a1 100644
--- a/liblog/log_event_write.c
+++ b/liblog/log_event_write.c
@@ -18,7 +18,7 @@
#include <log/log.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
#define MAX_SUBTAG_LEN 32
diff --git a/liblog/log_is_loggable.c b/liblog/log_is_loggable.c
index 47fde20..551fa76 100644
--- a/liblog/log_is_loggable.c
+++ b/liblog/log_is_loggable.c
@@ -23,7 +23,7 @@
#include <android/log.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
static pthread_mutex_t lock_loggable = PTHREAD_MUTEX_INITIALIZER;
diff --git a/liblog/log_cdefs.h b/liblog/log_portability.h
similarity index 65%
rename from liblog/log_cdefs.h
rename to liblog/log_portability.h
index 3a52625..3ad2060 100644
--- a/liblog/log_cdefs.h
+++ b/liblog/log_portability.h
@@ -14,10 +14,13 @@
* limitations under the License.
*/
-#ifndef _LIBLOG_CDEFS_H__
-#define _LIBLOG_CDEFS_H__
+#ifndef _LIBLOG_PORTABILITY_H__
+#define _LIBLOG_PORTABILITY_H__
#include <sys/cdefs.h>
+#include <unistd.h>
+
+/* Helpful private sys/cdefs.h like definitions */
/* Declare this library function hidden and internal */
#if defined(_WIN32)
@@ -46,9 +49,34 @@
#define LIBLOG_WEAK __attribute__((weak,visibility("default")))
#endif
+/* possible missing definitions in sys/cdefs.h */
+
+/* DECLS */
+#ifndef __BEGIN_DECLS
+#if defined(__cplusplus)
+#define __BEGIN_DECLS extern "C" {
+#define __END_DECLS }
+#else
+#define __BEGIN_DECLS
+#define __END_DECLS
+#endif
+#endif
+
/* Unused argument. For C code only, remove symbol name for C++ */
#ifndef __unused
#define __unused __attribute__((__unused__))
#endif
-#endif /* _LIBLOG_CDEFS_H__ */
+/* possible missing definitions in unistd.h */
+
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({ \
+ __typeof__(exp) _rc; \
+ do { \
+ _rc = (exp); \
+ } while (_rc == -1 && errno == EINTR); \
+ _rc; })
+#endif
+
+#endif /* _LIBLOG_PORTABILITY_H__ */
diff --git a/liblog/log_read.c b/liblog/log_read.c
deleted file mode 100644
index 4b83944..0000000
--- a/liblog/log_read.c
+++ /dev/null
@@ -1,917 +0,0 @@
-/*
-** Copyright 2013-2014, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stddef.h>
-#define NOMINMAX /* for windows to suppress definition of min in stdlib.h */
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <cutils/list.h>
-#include <cutils/sockets.h>
-#include <log/log.h>
-#include <log/logger.h>
-#include <private/android_filesystem_config.h>
-#include <private/android_logger.h>
-
-#include "log_cdefs.h"
-
-/* branchless on many architectures. */
-#define min(x,y) ((y) ^ (((x) ^ (y)) & -((x) < (y))))
-
-/* Private copy of ../libcutils/socket_local_client.c prevent library loops */
-
-#if defined(_WIN32)
-
-LIBLOG_WEAK int socket_local_client(const char *name, int namespaceId, int type)
-{
- errno = ENOSYS;
- return -ENOSYS;
-}
-
-#else /* !_WIN32 */
-
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/select.h>
-#include <sys/types.h>
-
-/* Private copy of ../libcutils/socket_local.h prevent library loops */
-#define FILESYSTEM_SOCKET_PREFIX "/tmp/"
-#define ANDROID_RESERVED_SOCKET_PREFIX "/dev/socket/"
-/* End of ../libcutils/socket_local.h */
-
-#define LISTEN_BACKLOG 4
-
-/* Documented in header file. */
-LIBLOG_WEAK int socket_make_sockaddr_un(const char *name, int namespaceId,
- struct sockaddr_un *p_addr,
- socklen_t *alen)
-{
- memset (p_addr, 0, sizeof (*p_addr));
- size_t namelen;
-
- switch (namespaceId) {
- case ANDROID_SOCKET_NAMESPACE_ABSTRACT:
-#if defined(__linux__)
- namelen = strlen(name);
-
- /* Test with length +1 for the *initial* '\0'. */
- if ((namelen + 1) > sizeof(p_addr->sun_path)) {
- goto error;
- }
-
- /*
- * Note: The path in this case is *not* supposed to be
- * '\0'-terminated. ("man 7 unix" for the gory details.)
- */
-
- p_addr->sun_path[0] = 0;
- memcpy(p_addr->sun_path + 1, name, namelen);
-#else
- /* this OS doesn't have the Linux abstract namespace */
-
- namelen = strlen(name) + strlen(FILESYSTEM_SOCKET_PREFIX);
- /* unix_path_max appears to be missing on linux */
- if (namelen > sizeof(*p_addr)
- - offsetof(struct sockaddr_un, sun_path) - 1) {
- goto error;
- }
-
- strcpy(p_addr->sun_path, FILESYSTEM_SOCKET_PREFIX);
- strcat(p_addr->sun_path, name);
-#endif
- break;
-
- case ANDROID_SOCKET_NAMESPACE_RESERVED:
- namelen = strlen(name) + strlen(ANDROID_RESERVED_SOCKET_PREFIX);
- /* unix_path_max appears to be missing on linux */
- if (namelen > sizeof(*p_addr)
- - offsetof(struct sockaddr_un, sun_path) - 1) {
- goto error;
- }
-
- strcpy(p_addr->sun_path, ANDROID_RESERVED_SOCKET_PREFIX);
- strcat(p_addr->sun_path, name);
- break;
-
- case ANDROID_SOCKET_NAMESPACE_FILESYSTEM:
- namelen = strlen(name);
- /* unix_path_max appears to be missing on linux */
- if (namelen > sizeof(*p_addr)
- - offsetof(struct sockaddr_un, sun_path) - 1) {
- goto error;
- }
-
- strcpy(p_addr->sun_path, name);
- break;
-
- default:
- /* invalid namespace id */
- return -1;
- }
-
- p_addr->sun_family = AF_LOCAL;
- *alen = namelen + offsetof(struct sockaddr_un, sun_path) + 1;
- return 0;
-error:
- return -1;
-}
-
-/**
- * connect to peer named "name" on fd
- * returns same fd or -1 on error.
- * fd is not closed on error. that's your job.
- *
- * Used by AndroidSocketImpl
- */
-LIBLOG_WEAK int socket_local_client_connect(int fd, const char *name,
- int namespaceId, int type __unused)
-{
- struct sockaddr_un addr;
- socklen_t alen;
- int err;
-
- err = socket_make_sockaddr_un(name, namespaceId, &addr, &alen);
-
- if (err < 0) {
- goto error;
- }
-
- if(connect(fd, (struct sockaddr *) &addr, alen) < 0) {
- goto error;
- }
-
- return fd;
-
-error:
- return -1;
-}
-
-/**
- * connect to peer named "name"
- * returns fd or -1 on error
- */
-LIBLOG_WEAK int socket_local_client(const char *name, int namespaceId, int type)
-{
- int s;
-
- s = socket(AF_LOCAL, type, 0);
- if(s < 0) return -1;
-
- if ( 0 > socket_local_client_connect(s, name, namespaceId, type)) {
- close(s);
- return -1;
- }
-
- return s;
-}
-
-#endif /* !_WIN32 */
-/* End of ../libcutils/socket_local_client.c */
-
-#define logger_for_each(logger, logger_list) \
- for (logger = node_to_item((logger_list)->node.next, struct logger, node); \
- logger != node_to_item(&(logger_list)->node, struct logger, node); \
- logger = node_to_item((logger)->node.next, struct logger, node))
-
-/* In the future, we would like to make this list extensible */
-static const char *LOG_NAME[LOG_ID_MAX] = {
- [LOG_ID_MAIN] = "main",
- [LOG_ID_RADIO] = "radio",
- [LOG_ID_EVENTS] = "events",
- [LOG_ID_SYSTEM] = "system",
- [LOG_ID_CRASH] = "crash",
- [LOG_ID_SECURITY] = "security",
- [LOG_ID_KERNEL] = "kernel",
-};
-
-LIBLOG_ABI_PUBLIC const char *android_log_id_to_name(log_id_t log_id)
-{
- if (log_id >= LOG_ID_MAX) {
- log_id = LOG_ID_MAIN;
- }
- return LOG_NAME[log_id];
-}
-
-LIBLOG_ABI_PUBLIC log_id_t android_name_to_log_id(const char *logName)
-{
- const char *b;
- int ret;
-
- if (!logName) {
- return -1; /* NB: log_id_t is unsigned */
- }
- b = strrchr(logName, '/');
- if (!b) {
- b = logName;
- } else {
- ++b;
- }
-
- for(ret = LOG_ID_MIN; ret < LOG_ID_MAX; ++ret) {
- const char *l = LOG_NAME[ret];
- if (l && !strcmp(b, l)) {
- return ret;
- }
- }
- return -1; /* should never happen */
-}
-
-struct logger_list {
- struct listnode node;
- int mode;
- unsigned int tail;
- log_time start;
- pid_t pid;
- int sock;
-};
-
-struct logger {
- struct listnode node;
- struct logger_list *top;
- log_id_t id;
-};
-
-/* android_logger_alloc unimplemented, no use case */
-/* android_logger_free not exported */
-static void android_logger_free(struct logger *logger)
-{
- if (!logger) {
- return;
- }
-
- list_remove(&logger->node);
-
- free(logger);
-}
-
-/* android_logger_alloc unimplemented, no use case */
-
-/* method for getting the associated sublog id */
-LIBLOG_ABI_PUBLIC log_id_t android_logger_get_id(struct logger *logger)
-{
- return logger->id;
-}
-
-/* worker for sending the command to the logger */
-static ssize_t send_log_msg(struct logger *logger,
- const char *msg, char *buf, size_t buf_size)
-{
- ssize_t ret;
- size_t len;
- char *cp;
- int errno_save = 0;
- int sock = socket_local_client("logd", ANDROID_SOCKET_NAMESPACE_RESERVED,
- SOCK_STREAM);
- if (sock < 0) {
- return sock;
- }
-
- if (msg) {
- snprintf(buf, buf_size, msg, logger ? logger->id : (unsigned) -1);
- }
-
- len = strlen(buf) + 1;
- ret = TEMP_FAILURE_RETRY(write(sock, buf, len));
- if (ret <= 0) {
- goto done;
- }
-
- len = buf_size;
- cp = buf;
- while ((ret = TEMP_FAILURE_RETRY(read(sock, cp, len))) > 0) {
- struct pollfd p;
-
- if (((size_t)ret == len) || (buf_size < PAGE_SIZE)) {
- break;
- }
-
- len -= ret;
- cp += ret;
-
- memset(&p, 0, sizeof(p));
- p.fd = sock;
- p.events = POLLIN;
-
- /* Give other side 20ms to refill pipe */
- ret = TEMP_FAILURE_RETRY(poll(&p, 1, 20));
-
- if (ret <= 0) {
- break;
- }
-
- if (!(p.revents & POLLIN)) {
- ret = 0;
- break;
- }
- }
-
- if (ret >= 0) {
- ret += buf_size - len;
- }
-
-done:
- if ((ret == -1) && errno) {
- errno_save = errno;
- }
- close(sock);
- if (errno_save) {
- errno = errno_save;
- }
- return ret;
-}
-
-static int check_log_success(char *buf, ssize_t ret)
-{
- if (ret < 0) {
- return ret;
- }
-
- if (strncmp(buf, "success", 7)) {
- errno = EINVAL;
- return -1;
- }
-
- return 0;
-}
-
-/* Determine the credentials of the caller */
-static bool uid_has_log_permission(uid_t uid)
-{
- return (uid == AID_SYSTEM) || (uid == AID_LOG) || (uid == AID_ROOT);
-}
-
-static uid_t get_best_effective_uid()
-{
- uid_t euid;
- uid_t uid;
- gid_t gid;
- ssize_t i;
- static uid_t last_uid = (uid_t) -1;
-
- if (last_uid != (uid_t) -1) {
- return last_uid;
- }
- uid = getuid();
- if (uid_has_log_permission(uid)) {
- return last_uid = uid;
- }
- euid = geteuid();
- if (uid_has_log_permission(euid)) {
- return last_uid = euid;
- }
- gid = getgid();
- if (uid_has_log_permission(gid)) {
- return last_uid = gid;
- }
- gid = getegid();
- if (uid_has_log_permission(gid)) {
- return last_uid = gid;
- }
- i = getgroups((size_t) 0, NULL);
- if (i > 0) {
- gid_t list[i];
-
- getgroups(i, list);
- while (--i >= 0) {
- if (uid_has_log_permission(list[i])) {
- return last_uid = list[i];
- }
- }
- }
- return last_uid = uid;
-}
-
-LIBLOG_ABI_PUBLIC int android_logger_clear(struct logger *logger)
-{
- char buf[512];
-
- if (logger->top->mode & ANDROID_LOG_PSTORE) {
- if (uid_has_log_permission(get_best_effective_uid())) {
- return unlink("/sys/fs/pstore/pmsg-ramoops-0");
- }
- errno = EPERM;
- return -1;
- }
- return check_log_success(buf,
- send_log_msg(logger, "clear %d", buf, sizeof(buf)));
-}
-
-/* returns the total size of the log's ring buffer */
-LIBLOG_ABI_PUBLIC long android_logger_get_log_size(struct logger *logger)
-{
- char buf[512];
-
- ssize_t ret = send_log_msg(logger, "getLogSize %d", buf, sizeof(buf));
- if (ret < 0) {
- return ret;
- }
-
- if ((buf[0] < '0') || ('9' < buf[0])) {
- return -1;
- }
-
- return atol(buf);
-}
-
-LIBLOG_ABI_PUBLIC int android_logger_set_log_size(struct logger *logger,
- unsigned long size)
-{
- char buf[512];
-
- snprintf(buf, sizeof(buf), "setLogSize %d %lu",
- logger ? logger->id : (unsigned) -1, size);
-
- return check_log_success(buf, send_log_msg(NULL, NULL, buf, sizeof(buf)));
-}
-
-/*
- * returns the readable size of the log's ring buffer (that is, amount of the
- * log consumed)
- */
-LIBLOG_ABI_PUBLIC long android_logger_get_log_readable_size(
- struct logger *logger)
-{
- char buf[512];
-
- ssize_t ret = send_log_msg(logger, "getLogSizeUsed %d", buf, sizeof(buf));
- if (ret < 0) {
- return ret;
- }
-
- if ((buf[0] < '0') || ('9' < buf[0])) {
- return -1;
- }
-
- return atol(buf);
-}
-
-/*
- * returns the logger version
- */
-LIBLOG_ABI_PUBLIC int android_logger_get_log_version(
- struct logger *logger __unused)
-{
- return 4;
-}
-
-/*
- * returns statistics
- */
-LIBLOG_ABI_PUBLIC ssize_t android_logger_get_statistics(
- struct logger_list *logger_list,
- char *buf, size_t len)
-{
- struct logger *logger;
- char *cp = buf;
- size_t remaining = len;
- size_t n;
-
- n = snprintf(cp, remaining, "getStatistics");
- n = min(n, remaining);
- remaining -= n;
- cp += n;
-
- logger_for_each(logger, logger_list) {
- n = snprintf(cp, remaining, " %d", logger->id);
- n = min(n, remaining);
- remaining -= n;
- cp += n;
- }
-
- if (logger_list->pid) {
- snprintf(cp, remaining, " pid=%u", logger_list->pid);
- }
-
- return send_log_msg(NULL, NULL, buf, len);
-}
-
-LIBLOG_ABI_PUBLIC ssize_t android_logger_get_prune_list(
- struct logger_list *logger_list __unused,
- char *buf, size_t len)
-{
- return send_log_msg(NULL, "getPruneList", buf, len);
-}
-
-LIBLOG_ABI_PUBLIC int android_logger_set_prune_list(
- struct logger_list *logger_list __unused,
- char *buf, size_t len)
-{
- const char cmd[] = "setPruneList ";
- const size_t cmdlen = sizeof(cmd) - 1;
-
- if (strlen(buf) > (len - cmdlen)) {
- return -ENOMEM; /* KISS */
- }
- memmove(buf + cmdlen, buf, len - cmdlen);
- buf[len - 1] = '\0';
- memcpy(buf, cmd, cmdlen);
-
- return check_log_success(buf, send_log_msg(NULL, NULL, buf, len));
-}
-
-LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_alloc(
- int mode,
- unsigned int tail,
- pid_t pid)
-{
- struct logger_list *logger_list;
-
- logger_list = calloc(1, sizeof(*logger_list));
- if (!logger_list) {
- return NULL;
- }
-
- list_init(&logger_list->node);
- logger_list->mode = mode;
- logger_list->start.tv_sec = 0;
- logger_list->start.tv_nsec = 0;
- logger_list->tail = tail;
- logger_list->pid = pid;
- logger_list->sock = -1;
-
- return logger_list;
-}
-
-LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_alloc_time(
- int mode,
- log_time start,
- pid_t pid)
-{
- struct logger_list *logger_list;
-
- logger_list = calloc(1, sizeof(*logger_list));
- if (!logger_list) {
- return NULL;
- }
-
- list_init(&logger_list->node);
- logger_list->mode = mode;
- logger_list->start = start;
- logger_list->tail = 0;
- logger_list->pid = pid;
- logger_list->sock = -1;
-
- return logger_list;
-}
-
-/* android_logger_list_register unimplemented, no use case */
-/* android_logger_list_unregister unimplemented, no use case */
-
-/* Open the named log and add it to the logger list */
-LIBLOG_ABI_PUBLIC struct logger *android_logger_open(
- struct logger_list *logger_list,
- log_id_t id)
-{
- struct logger *logger;
-
- if (!logger_list || (id >= LOG_ID_MAX)) {
- goto err;
- }
-
- logger_for_each(logger, logger_list) {
- if (logger->id == id) {
- goto ok;
- }
- }
-
- logger = calloc(1, sizeof(*logger));
- if (!logger) {
- goto err;
- }
-
- logger->id = id;
- list_add_tail(&logger_list->node, &logger->node);
- logger->top = logger_list;
- goto ok;
-
-err:
- logger = NULL;
-ok:
- return logger;
-}
-
-/* Open the single named log and make it part of a new logger list */
-LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_open(
- log_id_t id,
- int mode,
- unsigned int tail,
- pid_t pid)
-{
- struct logger_list *logger_list = android_logger_list_alloc(mode, tail, pid);
- if (!logger_list) {
- return NULL;
- }
-
- if (!android_logger_open(logger_list, id)) {
- android_logger_list_free(logger_list);
- return NULL;
- }
-
- return logger_list;
-}
-
-static int android_logger_list_read_pstore(struct logger_list *logger_list,
- struct log_msg *log_msg)
-{
- ssize_t ret;
- off_t current, next;
- uid_t uid;
- struct logger *logger;
- struct __attribute__((__packed__)) {
- android_pmsg_log_header_t p;
- android_log_header_t l;
- } buf;
- static uint8_t preread_count;
- bool is_system;
-
- memset(log_msg, 0, sizeof(*log_msg));
-
- if (logger_list->sock < 0) {
- int fd = open("/sys/fs/pstore/pmsg-ramoops-0", O_RDONLY);
-
- if (fd < 0) {
- return -errno;
- }
- logger_list->sock = fd;
- preread_count = 0;
- }
-
- while(1) {
- if (preread_count < sizeof(buf)) {
- ret = TEMP_FAILURE_RETRY(read(logger_list->sock,
- &buf.p.magic + preread_count,
- sizeof(buf) - preread_count));
- if (ret < 0) {
- return -errno;
- }
- preread_count += ret;
- }
- if (preread_count != sizeof(buf)) {
- return preread_count ? -EIO : -EAGAIN;
- }
- if ((buf.p.magic != LOGGER_MAGIC)
- || (buf.p.len <= sizeof(buf))
- || (buf.p.len > (sizeof(buf) + LOGGER_ENTRY_MAX_PAYLOAD))
- || (buf.l.id >= LOG_ID_MAX)
- || (buf.l.realtime.tv_nsec >= NS_PER_SEC)) {
- do {
- memmove(&buf.p.magic, &buf.p.magic + 1, --preread_count);
- } while (preread_count && (buf.p.magic != LOGGER_MAGIC));
- continue;
- }
- preread_count = 0;
-
- logger_for_each(logger, logger_list) {
- if (buf.l.id != logger->id) {
- continue;
- }
-
- if ((logger_list->start.tv_sec || logger_list->start.tv_nsec)
- && ((logger_list->start.tv_sec > buf.l.realtime.tv_sec)
- || ((logger_list->start.tv_sec == buf.l.realtime.tv_sec)
- && (logger_list->start.tv_nsec > buf.l.realtime.tv_nsec)))) {
- break;
- }
-
- if (logger_list->pid && (logger_list->pid != buf.p.pid)) {
- break;
- }
-
- uid = get_best_effective_uid();
- is_system = uid_has_log_permission(uid);
- if (!is_system && (uid != buf.p.uid)) {
- break;
- }
-
- ret = TEMP_FAILURE_RETRY(read(logger_list->sock,
- is_system ?
- log_msg->entry_v4.msg :
- log_msg->entry_v3.msg,
- buf.p.len - sizeof(buf)));
- if (ret < 0) {
- return -errno;
- }
- if (ret != (ssize_t)(buf.p.len - sizeof(buf))) {
- return -EIO;
- }
-
- log_msg->entry_v4.len = buf.p.len - sizeof(buf);
- log_msg->entry_v4.hdr_size = is_system ?
- sizeof(log_msg->entry_v4) :
- sizeof(log_msg->entry_v3);
- log_msg->entry_v4.pid = buf.p.pid;
- log_msg->entry_v4.tid = buf.l.tid;
- log_msg->entry_v4.sec = buf.l.realtime.tv_sec;
- log_msg->entry_v4.nsec = buf.l.realtime.tv_nsec;
- log_msg->entry_v4.lid = buf.l.id;
- if (is_system) {
- log_msg->entry_v4.uid = buf.p.uid;
- }
-
- return ret;
- }
-
- current = TEMP_FAILURE_RETRY(lseek(logger_list->sock,
- (off_t)0, SEEK_CUR));
- if (current < 0) {
- return -errno;
- }
- next = TEMP_FAILURE_RETRY(lseek(logger_list->sock,
- (off_t)(buf.p.len - sizeof(buf)),
- SEEK_CUR));
- if (next < 0) {
- return -errno;
- }
- if ((next - current) != (ssize_t)(buf.p.len - sizeof(buf))) {
- return -EIO;
- }
- }
-}
-
-static void caught_signal(int signum __unused)
-{
-}
-
-/* Read from the selected logs */
-LIBLOG_ABI_PUBLIC int android_logger_list_read(
- struct logger_list *logger_list,
- struct log_msg *log_msg)
-{
- int ret, e;
- struct logger *logger;
- struct sigaction ignore;
- struct sigaction old_sigaction;
- unsigned int old_alarm = 0;
-
- if (!logger_list) {
- return -EINVAL;
- }
-
- if (logger_list->mode & ANDROID_LOG_PSTORE) {
- return android_logger_list_read_pstore(logger_list, log_msg);
- }
-
- if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
- memset(&ignore, 0, sizeof(ignore));
- ignore.sa_handler = caught_signal;
- sigemptyset(&ignore.sa_mask);
- }
-
- if (logger_list->sock < 0) {
- char buffer[256], *cp, c;
-
- int sock = socket_local_client("logdr",
- ANDROID_SOCKET_NAMESPACE_RESERVED,
- SOCK_SEQPACKET);
- if (sock < 0) {
- if ((sock == -1) && errno) {
- return -errno;
- }
- return sock;
- }
-
- strcpy(buffer,
- (logger_list->mode & ANDROID_LOG_NONBLOCK) ? "dumpAndClose" : "stream");
- cp = buffer + strlen(buffer);
-
- strcpy(cp, " lids");
- cp += 5;
- c = '=';
- int remaining = sizeof(buffer) - (cp - buffer);
- logger_for_each(logger, logger_list) {
- ret = snprintf(cp, remaining, "%c%u", c, logger->id);
- ret = min(ret, remaining);
- remaining -= ret;
- cp += ret;
- c = ',';
- }
-
- if (logger_list->tail) {
- ret = snprintf(cp, remaining, " tail=%u", logger_list->tail);
- ret = min(ret, remaining);
- remaining -= ret;
- cp += ret;
- }
-
- if (logger_list->start.tv_sec || logger_list->start.tv_nsec) {
- if (logger_list->mode & ANDROID_LOG_WRAP) {
- // ToDo: alternate API to allow timeout to be adjusted.
- ret = snprintf(cp, remaining, " timeout=%u",
- ANDROID_LOG_WRAP_DEFAULT_TIMEOUT);
- ret = min(ret, remaining);
- remaining -= ret;
- cp += ret;
- }
- ret = snprintf(cp, remaining, " start=%" PRIu32 ".%09" PRIu32,
- logger_list->start.tv_sec,
- logger_list->start.tv_nsec);
- ret = min(ret, remaining);
- remaining -= ret;
- cp += ret;
- }
-
- if (logger_list->pid) {
- ret = snprintf(cp, remaining, " pid=%u", logger_list->pid);
- ret = min(ret, remaining);
- cp += ret;
- }
-
- if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
- /* Deal with an unresponsive logd */
- sigaction(SIGALRM, &ignore, &old_sigaction);
- old_alarm = alarm(30);
- }
- ret = write(sock, buffer, cp - buffer);
- e = errno;
- if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
- if (e == EINTR) {
- e = ETIMEDOUT;
- }
- alarm(old_alarm);
- sigaction(SIGALRM, &old_sigaction, NULL);
- }
-
- if (ret <= 0) {
- close(sock);
- if ((ret == -1) && e) {
- return -e;
- }
- if (ret == 0) {
- return -EIO;
- }
- return ret;
- }
-
- logger_list->sock = sock;
- }
-
- while(1) {
- memset(log_msg, 0, sizeof(*log_msg));
-
- if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
- /* particularily useful if tombstone is reporting for logd */
- sigaction(SIGALRM, &ignore, &old_sigaction);
- old_alarm = alarm(30);
- }
- /* NOTE: SOCK_SEQPACKET guarantees we read exactly one full entry */
- ret = recv(logger_list->sock, log_msg, LOGGER_ENTRY_MAX_LEN, 0);
- e = errno;
- if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
- if ((ret == 0) || (e == EINTR)) {
- e = EAGAIN;
- ret = -1;
- }
- alarm(old_alarm);
- sigaction(SIGALRM, &old_sigaction, NULL);
- }
-
- if ((ret == -1) && e) {
- return -e;
- }
- return ret;
- }
- /* NOTREACH */
- return ret;
-}
-
-/* Close all the logs */
-LIBLOG_ABI_PUBLIC void android_logger_list_free(
- struct logger_list *logger_list)
-{
- if (logger_list == NULL) {
- return;
- }
-
- while (!list_empty(&logger_list->node)) {
- struct listnode *node = list_head(&logger_list->node);
- struct logger *logger = node_to_item(node, struct logger, node);
- android_logger_free(logger);
- }
-
- if (logger_list->sock >= 0) {
- close (logger_list->sock);
- }
-
- free(logger_list);
-}
diff --git a/liblog/log_time.cpp b/liblog/log_time.cpp
index b6af222..d2bf181 100644
--- a/liblog/log_time.cpp
+++ b/liblog/log_time.cpp
@@ -21,7 +21,7 @@
#include <log/log_read.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
LIBLOG_ABI_PRIVATE const char log_time::default_format[] = "%m-%d %H:%M:%S.%q";
LIBLOG_ABI_PRIVATE const timespec log_time::EPOCH = { 0, 0 };
diff --git a/liblog/logd_reader.c b/liblog/logd_reader.c
new file mode 100644
index 0000000..d844104
--- /dev/null
+++ b/liblog/logd_reader.c
@@ -0,0 +1,670 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <endian.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <poll.h>
+#include <stdarg.h>
+#include <stdatomic.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <cutils/sockets.h>
+#include <log/logd.h>
+#include <log/logger.h>
+#include <log/log_read.h>
+#include <private/android_filesystem_config.h>
+#include <private/android_logger.h>
+
+#include "config_read.h"
+#include "log_portability.h"
+#include "logger.h"
+
+/* branchless on many architectures. */
+#define min(x,y) ((y) ^ (((x) ^ (y)) & -((x) < (y))))
+
+static int logdAvailable(log_id_t LogId);
+static int logdVersion(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+static int logdRead(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ struct log_msg *log_msg);
+static int logdPoll(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp);
+static void logdClose(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp);
+static int logdClear(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+static ssize_t logdSetSize(struct android_log_logger *logger,
+ struct android_log_transport_context *transp,
+ size_t size);
+static ssize_t logdGetSize(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+static ssize_t logdGetReadableSize(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+static ssize_t logdGetPrune(struct android_log_logger_list *logger,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+static ssize_t logdSetPrune(struct android_log_logger_list *logger,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+static ssize_t logdGetStats(struct android_log_logger_list *logger,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+
+LIBLOG_HIDDEN struct android_log_transport_read logdLoggerRead = {
+ .node = { &logdLoggerRead.node, &logdLoggerRead.node },
+ .name = "logd",
+ .available = logdAvailable,
+ .version = logdVersion,
+ .read = logdRead,
+ .poll = logdPoll,
+ .close = logdClose,
+ .clear = logdClear,
+ .getSize = logdGetSize,
+ .setSize = logdSetSize,
+ .getReadableSize = logdGetSize,
+ .getPrune = logdGetPrune,
+ .setPrune = logdSetPrune,
+ .getStats = logdGetStats,
+};
+
+static int logdAvailable(log_id_t logId)
+{
+ if (logId > LOG_ID_KERNEL) {
+ return -EINVAL;
+ }
+ if (logId == LOG_ID_SECURITY) {
+ uid_t uid = __android_log_uid();
+ if (uid != AID_SYSTEM) {
+ return -EPERM;
+ }
+ }
+ if (access("/dev/socket/logdw", W_OK) == 0) {
+ return 0;
+ }
+ return -EBADF;
+}
+
+/* Private copy of ../libcutils/socket_local_client.c prevent library loops */
+
+#if defined(_WIN32)
+
+LIBLOG_WEAK int socket_local_client(const char *name, int namespaceId, int type)
+{
+ errno = ENOSYS;
+ return -ENOSYS;
+}
+
+#else /* !_WIN32 */
+
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/select.h>
+#include <sys/types.h>
+
+/* Private copy of ../libcutils/socket_local.h prevent library loops */
+#define FILESYSTEM_SOCKET_PREFIX "/tmp/"
+#define ANDROID_RESERVED_SOCKET_PREFIX "/dev/socket/"
+/* End of ../libcutils/socket_local.h */
+
+#define LISTEN_BACKLOG 4
+
+/* Documented in header file. */
+LIBLOG_WEAK int socket_make_sockaddr_un(const char *name, int namespaceId,
+ struct sockaddr_un *p_addr,
+ socklen_t *alen)
+{
+ memset (p_addr, 0, sizeof (*p_addr));
+ size_t namelen;
+
+ switch (namespaceId) {
+ case ANDROID_SOCKET_NAMESPACE_ABSTRACT:
+#if defined(__linux__)
+ namelen = strlen(name);
+
+ /* Test with length +1 for the *initial* '\0'. */
+ if ((namelen + 1) > sizeof(p_addr->sun_path)) {
+ goto error;
+ }
+
+ /*
+ * Note: The path in this case is *not* supposed to be
+ * '\0'-terminated. ("man 7 unix" for the gory details.)
+ */
+
+ p_addr->sun_path[0] = 0;
+ memcpy(p_addr->sun_path + 1, name, namelen);
+#else
+ /* this OS doesn't have the Linux abstract namespace */
+
+ namelen = strlen(name) + strlen(FILESYSTEM_SOCKET_PREFIX);
+ /* unix_path_max appears to be missing on linux */
+ if (namelen > sizeof(*p_addr)
+ - offsetof(struct sockaddr_un, sun_path) - 1) {
+ goto error;
+ }
+
+ strcpy(p_addr->sun_path, FILESYSTEM_SOCKET_PREFIX);
+ strcat(p_addr->sun_path, name);
+#endif
+ break;
+
+ case ANDROID_SOCKET_NAMESPACE_RESERVED:
+ namelen = strlen(name) + strlen(ANDROID_RESERVED_SOCKET_PREFIX);
+ /* unix_path_max appears to be missing on linux */
+ if (namelen > sizeof(*p_addr)
+ - offsetof(struct sockaddr_un, sun_path) - 1) {
+ goto error;
+ }
+
+ strcpy(p_addr->sun_path, ANDROID_RESERVED_SOCKET_PREFIX);
+ strcat(p_addr->sun_path, name);
+ break;
+
+ case ANDROID_SOCKET_NAMESPACE_FILESYSTEM:
+ namelen = strlen(name);
+ /* unix_path_max appears to be missing on linux */
+ if (namelen > sizeof(*p_addr)
+ - offsetof(struct sockaddr_un, sun_path) - 1) {
+ goto error;
+ }
+
+ strcpy(p_addr->sun_path, name);
+ break;
+
+ default:
+ /* invalid namespace id */
+ return -1;
+ }
+
+ p_addr->sun_family = AF_LOCAL;
+ *alen = namelen + offsetof(struct sockaddr_un, sun_path) + 1;
+ return 0;
+error:
+ return -1;
+}
+
+/**
+ * connect to peer named "name" on fd
+ * returns same fd or -1 on error.
+ * fd is not closed on error. that's your job.
+ *
+ * Used by AndroidSocketImpl
+ */
+LIBLOG_WEAK int socket_local_client_connect(int fd, const char *name,
+ int namespaceId, int type __unused)
+{
+ struct sockaddr_un addr;
+ socklen_t alen;
+ int err;
+
+ err = socket_make_sockaddr_un(name, namespaceId, &addr, &alen);
+
+ if (err < 0) {
+ goto error;
+ }
+
+ if(connect(fd, (struct sockaddr *) &addr, alen) < 0) {
+ goto error;
+ }
+
+ return fd;
+
+error:
+ return -1;
+}
+
+/**
+ * connect to peer named "name"
+ * returns fd or -1 on error
+ */
+LIBLOG_WEAK int socket_local_client(const char *name, int namespaceId, int type)
+{
+ int s;
+
+ s = socket(AF_LOCAL, type, 0);
+ if(s < 0) return -1;
+
+ if ( 0 > socket_local_client_connect(s, name, namespaceId, type)) {
+ close(s);
+ return -1;
+ }
+
+ return s;
+}
+
+#endif /* !_WIN32 */
+/* End of ../libcutils/socket_local_client.c */
+
+/* worker for sending the command to the logger */
+static ssize_t send_log_msg(struct android_log_logger *logger,
+ const char *msg, char *buf, size_t buf_size)
+{
+ ssize_t ret;
+ size_t len;
+ char *cp;
+ int errno_save = 0;
+ int sock = socket_local_client("logd", ANDROID_SOCKET_NAMESPACE_RESERVED,
+ SOCK_STREAM);
+ if (sock < 0) {
+ return sock;
+ }
+
+ if (msg) {
+ snprintf(buf, buf_size, msg, logger ? logger->logId : (unsigned) -1);
+ }
+
+ len = strlen(buf) + 1;
+ ret = TEMP_FAILURE_RETRY(write(sock, buf, len));
+ if (ret <= 0) {
+ goto done;
+ }
+
+ len = buf_size;
+ cp = buf;
+ while ((ret = TEMP_FAILURE_RETRY(read(sock, cp, len))) > 0) {
+ struct pollfd p;
+
+ if (((size_t)ret == len) || (buf_size < PAGE_SIZE)) {
+ break;
+ }
+
+ len -= ret;
+ cp += ret;
+
+ memset(&p, 0, sizeof(p));
+ p.fd = sock;
+ p.events = POLLIN;
+
+ /* Give other side 20ms to refill pipe */
+ ret = TEMP_FAILURE_RETRY(poll(&p, 1, 20));
+
+ if (ret <= 0) {
+ break;
+ }
+
+ if (!(p.revents & POLLIN)) {
+ ret = 0;
+ break;
+ }
+ }
+
+ if (ret >= 0) {
+ ret += buf_size - len;
+ }
+
+done:
+ if ((ret == -1) && errno) {
+ errno_save = errno;
+ }
+ close(sock);
+ if (errno_save) {
+ errno = errno_save;
+ }
+ return ret;
+}
+
+static int check_log_success(char *buf, ssize_t ret)
+{
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (strncmp(buf, "success", 7)) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return 0;
+}
+
+static int logdClear(struct android_log_logger *logger,
+ struct android_log_transport_context *transp __unused)
+{
+ char buf[512];
+
+ return check_log_success(buf,
+ send_log_msg(logger, "clear %d", buf, sizeof(buf)));
+}
+
+/* returns the total size of the log's ring buffer */
+static ssize_t logdGetSize(struct android_log_logger *logger,
+ struct android_log_transport_context *transp __unused)
+{
+ char buf[512];
+
+ ssize_t ret = send_log_msg(logger, "getLogSize %d", buf, sizeof(buf));
+ if (ret < 0) {
+ return ret;
+ }
+
+ if ((buf[0] < '0') || ('9' < buf[0])) {
+ return -1;
+ }
+
+ return atol(buf);
+}
+
+static ssize_t logdSetSize(
+ struct android_log_logger *logger,
+ struct android_log_transport_context *transp __unused,
+ size_t size)
+{
+ char buf[512];
+
+ snprintf(buf, sizeof(buf), "setLogSize %d %zu", logger->logId, size);
+
+ return check_log_success(buf, send_log_msg(NULL, NULL, buf, sizeof(buf)));
+}
+
+/*
+ * returns the readable size of the log's ring buffer (that is, amount of the
+ * log consumed)
+ */
+static ssize_t logdGetReadableSize(
+ struct android_log_logger *logger,
+ struct android_log_transport_context *transp __unused)
+{
+ char buf[512];
+
+ ssize_t ret = send_log_msg(logger, "getLogSizeUsed %d", buf, sizeof(buf));
+ if (ret < 0) {
+ return ret;
+ }
+
+ if ((buf[0] < '0') || ('9' < buf[0])) {
+ return -1;
+ }
+
+ return atol(buf);
+}
+
+/*
+ * returns the logger version
+ */
+static int logdVersion(
+ struct android_log_logger *logger __unused,
+ struct android_log_transport_context *transp __unused)
+{
+ uid_t uid = __android_log_uid();
+ return ((uid != AID_ROOT) && (uid != AID_LOG) && (uid != AID_SYSTEM)) ? 3 : 4;
+}
+
+/*
+ * returns statistics
+ */
+static ssize_t logdGetStats(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp __unused,
+ char *buf, size_t len)
+{
+ struct android_log_logger *logger;
+ char *cp = buf;
+ size_t remaining = len;
+ size_t n;
+
+ n = snprintf(cp, remaining, "getStatistics");
+ n = min(n, remaining);
+ remaining -= n;
+ cp += n;
+
+ logger_for_each(logger, logger_list) {
+ n = snprintf(cp, remaining, " %d", logger->logId);
+ n = min(n, remaining);
+ remaining -= n;
+ cp += n;
+ }
+
+ if (logger_list->pid) {
+ snprintf(cp, remaining, " pid=%u", logger_list->pid);
+ }
+
+ return send_log_msg(NULL, NULL, buf, len);
+}
+
+static ssize_t logdGetPrune(
+ struct android_log_logger_list *logger_list __unused,
+ struct android_log_transport_context *transp __unused,
+ char *buf, size_t len)
+{
+ return send_log_msg(NULL, "getPruneList", buf, len);
+}
+
+static ssize_t logdSetPrune(
+ struct android_log_logger_list *logger_list __unused,
+ struct android_log_transport_context *transp __unused,
+ char *buf, size_t len)
+{
+ const char cmd[] = "setPruneList ";
+ const size_t cmdlen = sizeof(cmd) - 1;
+
+ if (strlen(buf) > (len - cmdlen)) {
+ return -ENOMEM; /* KISS */
+ }
+ memmove(buf + cmdlen, buf, len - cmdlen);
+ buf[len - 1] = '\0';
+ memcpy(buf, cmd, cmdlen);
+
+ return check_log_success(buf, send_log_msg(NULL, NULL, buf, len));
+}
+
+
+static void caught_signal(int signum __unused)
+{
+}
+
+static int logdOpen(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp)
+{
+ struct android_log_logger *logger;
+ struct sigaction ignore;
+ struct sigaction old_sigaction;
+ unsigned int old_alarm = 0;
+ char buffer[256], *cp, c;
+ int e, ret, remaining;
+
+ int sock = transp->context.sock;
+ if (sock > 0) {
+ return sock;
+ }
+
+ if (!logger_list) {
+ return -EINVAL;
+ }
+
+ sock = socket_local_client("logdr",
+ ANDROID_SOCKET_NAMESPACE_RESERVED,
+ SOCK_SEQPACKET);
+ if (sock == 0) {
+ /* Guarantee not file descriptor zero */
+ int newsock = socket_local_client("logdr",
+ ANDROID_SOCKET_NAMESPACE_RESERVED,
+ SOCK_SEQPACKET);
+ close(sock);
+ sock = newsock;
+ }
+ if (sock <= 0) {
+ if ((sock == -1) && errno) {
+ return -errno;
+ }
+ return sock;
+ }
+
+ strcpy(buffer, (logger_list->mode & ANDROID_LOG_NONBLOCK) ?
+ "dumpAndClose" : "stream");
+ cp = buffer + strlen(buffer);
+
+ strcpy(cp, " lids");
+ cp += 5;
+ c = '=';
+ remaining = sizeof(buffer) - (cp - buffer);
+ logger_for_each(logger, logger_list) {
+ ret = snprintf(cp, remaining, "%c%u", c, logger->logId);
+ ret = min(ret, remaining);
+ remaining -= ret;
+ cp += ret;
+ c = ',';
+ }
+
+ if (logger_list->tail) {
+ ret = snprintf(cp, remaining, " tail=%u", logger_list->tail);
+ ret = min(ret, remaining);
+ remaining -= ret;
+ cp += ret;
+ }
+
+ if (logger_list->start.tv_sec || logger_list->start.tv_nsec) {
+ if (logger_list->mode & ANDROID_LOG_WRAP) {
+ // ToDo: alternate API to allow timeout to be adjusted.
+ ret = snprintf(cp, remaining, " timeout=%u",
+ ANDROID_LOG_WRAP_DEFAULT_TIMEOUT);
+ ret = min(ret, remaining);
+ remaining -= ret;
+ cp += ret;
+ }
+ ret = snprintf(cp, remaining, " start=%" PRIu32 ".%09" PRIu32,
+ logger_list->start.tv_sec,
+ logger_list->start.tv_nsec);
+ ret = min(ret, remaining);
+ remaining -= ret;
+ cp += ret;
+ }
+
+ if (logger_list->pid) {
+ ret = snprintf(cp, remaining, " pid=%u", logger_list->pid);
+ ret = min(ret, remaining);
+ cp += ret;
+ }
+
+ if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
+ /* Deal with an unresponsive logd */
+ memset(&ignore, 0, sizeof(ignore));
+ ignore.sa_handler = caught_signal;
+ sigemptyset(&ignore.sa_mask);
+ /* particularily useful if tombstone is reporting for logd */
+ sigaction(SIGALRM, &ignore, &old_sigaction);
+ old_alarm = alarm(30);
+ }
+ ret = write(sock, buffer, cp - buffer);
+ e = errno;
+ if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
+ if (e == EINTR) {
+ e = ETIMEDOUT;
+ }
+ alarm(old_alarm);
+ sigaction(SIGALRM, &old_sigaction, NULL);
+ }
+
+ if (ret <= 0) {
+ close(sock);
+ if ((ret == -1) && e) {
+ return -e;
+ }
+ if (ret == 0) {
+ return -EIO;
+ }
+ return ret;
+ }
+
+ return transp->context.sock = sock;
+}
+
+/* Read from the selected logs */
+static int logdRead(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ struct log_msg *log_msg)
+{
+ int ret, e;
+ struct sigaction ignore;
+ struct sigaction old_sigaction;
+ unsigned int old_alarm = 0;
+
+ ret = logdOpen(logger_list, transp);
+ if (ret < 0) {
+ return ret;
+ }
+
+ memset(log_msg, 0, sizeof(*log_msg));
+
+ if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
+ memset(&ignore, 0, sizeof(ignore));
+ ignore.sa_handler = caught_signal;
+ sigemptyset(&ignore.sa_mask);
+ /* particularily useful if tombstone is reporting for logd */
+ sigaction(SIGALRM, &ignore, &old_sigaction);
+ old_alarm = alarm(30);
+ }
+
+ /* NOTE: SOCK_SEQPACKET guarantees we read exactly one full entry */
+ ret = recv(ret, log_msg, LOGGER_ENTRY_MAX_LEN, 0);
+ e = errno;
+
+ if (logger_list->mode & ANDROID_LOG_NONBLOCK) {
+ if ((ret == 0) || (e == EINTR)) {
+ e = EAGAIN;
+ ret = -1;
+ }
+ alarm(old_alarm);
+ sigaction(SIGALRM, &old_sigaction, NULL);
+ }
+
+ if ((ret == -1) && e) {
+ return -e;
+ }
+ return ret;
+}
+
+static int logdPoll(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp)
+{
+ struct pollfd p;
+
+ int ret = logdOpen(logger_list, transp);
+ if (ret < 0) {
+ return ret;
+ }
+
+ memset(&p, 0, sizeof(p));
+ p.fd = ret;
+ p.events = POLLIN;
+ ret = poll(&p, 1, 20);
+ if ((ret > 0) && !(p.revents & POLLIN)) {
+ ret = 0;
+ }
+ if ((ret == -1) && errno) {
+ return -errno;
+ }
+ return ret;
+}
+
+/* Close all the logs */
+static void logdClose(struct android_log_logger_list *logger_list __unused,
+ struct android_log_transport_context *transp)
+{
+ if (transp->context.sock > 0) {
+ close (transp->context.sock);
+ transp->context.sock = -1;
+ }
+}
diff --git a/liblog/logd_write.c b/liblog/logd_write.c
deleted file mode 100644
index 85a4aab..0000000
--- a/liblog/logd_write.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- * Copyright (C) 2007-2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#if (FAKE_LOG_DEVICE == 0)
-#include <endian.h>
-#endif
-#include <errno.h>
-#include <fcntl.h>
-#if !defined(_WIN32)
-#include <pthread.h>
-#endif
-#include <stdarg.h>
-#include <stdatomic.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#if (FAKE_LOG_DEVICE == 0)
-#include <sys/socket.h>
-#include <sys/un.h>
-#endif
-#include <time.h>
-#include <unistd.h>
-
-#ifdef __BIONIC__
-#include <android/set_abort_message.h>
-#endif
-
-#include <log/event_tag_map.h>
-#include <log/logd.h>
-#include <log/logger.h>
-#include <log/log_read.h>
-#include <private/android_filesystem_config.h>
-#include <private/android_logger.h>
-
-#include "log_cdefs.h"
-
-#define LOG_BUF_SIZE 1024
-
-#if FAKE_LOG_DEVICE
-/* This will be defined when building for the host. */
-#include "fake_log_device.h"
-#endif
-
-static int __write_to_log_init(log_id_t, struct iovec *vec, size_t nr);
-static int (*write_to_log)(log_id_t, struct iovec *vec, size_t nr) = __write_to_log_init;
-
-#if !defined(_WIN32)
-static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
-
-static void lock()
-{
- /*
- * If we trigger a signal handler in the middle of locked activity and the
- * signal handler logs a message, we could get into a deadlock state.
- */
- pthread_mutex_lock(&log_init_lock);
-}
-
-static int trylock()
-{
- return pthread_mutex_trylock(&log_init_lock);
-}
-
-static void unlock()
-{
- pthread_mutex_unlock(&log_init_lock);
-}
-
-#else /* !defined(_WIN32) */
-
-#define lock() ((void)0)
-#define trylock() (0) /* success */
-#define unlock() ((void)0)
-
-#endif /* !defined(_WIN32) */
-
-#if FAKE_LOG_DEVICE
-static int log_fds[(int)LOG_ID_MAX] = { -1, -1, -1, -1, -1, -1 };
-#else
-static int logd_fd = -1;
-static int pstore_fd = -1;
-#endif
-
-/*
- * This is used by the C++ code to decide if it should write logs through
- * the C code. Basically, if /dev/socket/logd is available, we're running in
- * the simulator rather than a desktop tool and want to use the device.
- */
-static enum {
- kLogUninitialized, kLogNotAvailable, kLogAvailable
-} g_log_status = kLogUninitialized;
-
-LIBLOG_ABI_PUBLIC int __android_log_dev_available()
-{
- if (g_log_status == kLogUninitialized) {
- if (access("/dev/socket/logdw", W_OK) == 0)
- g_log_status = kLogAvailable;
- else
- g_log_status = kLogNotAvailable;
- }
-
- return (g_log_status == kLogAvailable);
-}
-
-/* log_init_lock assumed */
-static int __write_to_log_initialize()
-{
- int i, ret = 0;
-
-#if FAKE_LOG_DEVICE
- for (i = 0; i < LOG_ID_MAX; i++) {
- char buf[sizeof("/dev/log_security")];
- snprintf(buf, sizeof(buf), "/dev/log_%s", android_log_id_to_name(i));
- log_fds[i] = fakeLogOpen(buf, O_WRONLY);
- }
-#else
- if (pstore_fd < 0) {
- pstore_fd = TEMP_FAILURE_RETRY(open("/dev/pmsg0", O_WRONLY));
- }
-
- if (logd_fd < 0) {
- i = TEMP_FAILURE_RETRY(socket(PF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0));
- if (i < 0) {
- ret = -errno;
- } else if (TEMP_FAILURE_RETRY(fcntl(i, F_SETFL, O_NONBLOCK)) < 0) {
- ret = -errno;
- close(i);
- } else {
- struct sockaddr_un un;
- memset(&un, 0, sizeof(struct sockaddr_un));
- un.sun_family = AF_UNIX;
- strcpy(un.sun_path, "/dev/socket/logdw");
-
- if (TEMP_FAILURE_RETRY(connect(i, (struct sockaddr *)&un,
- sizeof(struct sockaddr_un))) < 0) {
- ret = -errno;
- close(i);
- } else {
- logd_fd = i;
- }
- }
- }
-#endif
-
- return ret;
-}
-
-static int __write_to_log_daemon(log_id_t log_id, struct iovec *vec, size_t nr)
-{
- ssize_t ret;
-#if FAKE_LOG_DEVICE
- int log_fd;
-
- if (/*(int)log_id >= 0 &&*/ (int)log_id < (int)LOG_ID_MAX) {
- log_fd = log_fds[(int)log_id];
- } else {
- return -EBADF;
- }
- do {
- ret = fakeLogWritev(log_fd, vec, nr);
- if (ret < 0) {
- ret = -errno;
- }
- } while (ret == -EINTR);
-#else
- static const unsigned header_length = 2;
- struct iovec newVec[nr + header_length];
- android_log_header_t header;
- android_pmsg_log_header_t pmsg_header;
- struct timespec ts;
- size_t i, payload_size;
- static uid_t last_uid = AID_ROOT; /* logd *always* starts up as AID_ROOT */
- static pid_t last_pid = (pid_t) -1;
- static atomic_int_fast32_t dropped;
- static atomic_int_fast32_t dropped_security;
-
- if (!nr) {
- return -EINVAL;
- }
-
- if (last_uid == AID_ROOT) { /* have we called to get the UID yet? */
- last_uid = getuid();
- }
- if (last_pid == (pid_t) -1) {
- last_pid = getpid();
- }
- if (log_id == LOG_ID_SECURITY) {
- if (vec[0].iov_len < 4) {
- return -EINVAL;
- }
- /* Matches clientHasLogCredentials() in logd */
- if ((last_uid != AID_SYSTEM) && (last_uid != AID_ROOT) && (last_uid != AID_LOG)) {
- uid_t uid = geteuid();
- if ((uid != AID_SYSTEM) && (uid != AID_ROOT) && (uid != AID_LOG)) {
- gid_t gid = getgid();
- if ((gid != AID_SYSTEM) && (gid != AID_ROOT) && (gid != AID_LOG)) {
- gid = getegid();
- if ((gid != AID_SYSTEM) && (gid != AID_ROOT) && (gid != AID_LOG)) {
- int num_groups;
- gid_t *groups;
-
- num_groups = getgroups(0, NULL);
- if (num_groups <= 0) {
- return -EPERM;
- }
- groups = calloc(num_groups, sizeof(gid_t));
- if (!groups) {
- return -ENOMEM;
- }
- num_groups = getgroups(num_groups, groups);
- while (num_groups > 0) {
- if (groups[num_groups - 1] == AID_LOG) {
- break;
- }
- --num_groups;
- }
- free(groups);
- if (num_groups <= 0) {
- return -EPERM;
- }
- }
- }
- }
- }
- if (!__android_log_security()) {
- atomic_store(&dropped_security, 0);
- return -EPERM;
- }
- } else if (log_id == LOG_ID_EVENTS) {
- static atomic_uintptr_t map;
- int ret;
- const char *tag;
- EventTagMap *m, *f;
-
- if (vec[0].iov_len < 4) {
- return -EINVAL;
- }
-
- tag = NULL;
- f = NULL;
- m = (EventTagMap *)atomic_load(&map);
-
- if (!m) {
- ret = trylock();
- m = (EventTagMap *)atomic_load(&map); /* trylock flush cache */
- if (!m) {
- m = android_openEventTagMap(EVENT_TAG_MAP_FILE);
- if (ret) { /* trylock failed, use local copy, mark for close */
- f = m;
- } else {
- if (!m) { /* One chance to open map file */
- m = (EventTagMap *)(uintptr_t)-1LL;
- }
- atomic_store(&map, (uintptr_t)m);
- }
- }
- if (!ret) { /* trylock succeeded, unlock */
- unlock();
- }
- }
- if (m && (m != (EventTagMap *)(uintptr_t)-1LL)) {
- tag = android_lookupEventTag(
- m,
- htole32(((uint32_t *)vec[0].iov_base)[0]));
- }
- ret = __android_log_is_loggable(ANDROID_LOG_INFO,
- tag,
- ANDROID_LOG_VERBOSE);
- if (f) { /* local copy marked for close */
- android_closeEventTagMap(f);
- }
- if (!ret) {
- return -EPERM;
- }
- } else {
- /* Validate the incoming tag, tag content can not split across iovec */
- char prio = ANDROID_LOG_VERBOSE;
- const char *tag = vec[0].iov_base;
- size_t len = vec[0].iov_len;
- if (!tag) {
- len = 0;
- }
- if (len > 0) {
- prio = *tag;
- if (len > 1) {
- --len;
- ++tag;
- } else {
- len = vec[1].iov_len;
- tag = ((const char *)vec[1].iov_base);
- if (!tag) {
- len = 0;
- }
- }
- }
- /* tag must be nul terminated */
- if (strnlen(tag, len) >= len) {
- tag = NULL;
- }
-
- if (!__android_log_is_loggable(prio, tag, ANDROID_LOG_VERBOSE)) {
- return -EPERM;
- }
- }
-
- /*
- * struct {
- * // what we provide to pstore
- * android_pmsg_log_header_t pmsg_header;
- * // what we provide to socket
- * android_log_header_t header;
- * // caller provides
- * union {
- * struct {
- * char prio;
- * char payload[];
- * } string;
- * struct {
- * uint32_t tag
- * char payload[];
- * } binary;
- * };
- * };
- */
-
- clock_gettime(android_log_clockid(), &ts);
-
- pmsg_header.magic = LOGGER_MAGIC;
- pmsg_header.len = sizeof(pmsg_header) + sizeof(header);
- pmsg_header.uid = last_uid;
- pmsg_header.pid = last_pid;
-
- header.tid = gettid();
- header.realtime.tv_sec = ts.tv_sec;
- header.realtime.tv_nsec = ts.tv_nsec;
-
- newVec[0].iov_base = (unsigned char *) &pmsg_header;
- newVec[0].iov_len = sizeof(pmsg_header);
- newVec[1].iov_base = (unsigned char *) &header;
- newVec[1].iov_len = sizeof(header);
-
- if (logd_fd > 0) {
- int32_t snapshot = atomic_exchange_explicit(&dropped_security, 0,
- memory_order_relaxed);
- if (snapshot) {
- android_log_event_int_t buffer;
-
- header.id = LOG_ID_SECURITY;
- buffer.header.tag = htole32(LIBLOG_LOG_TAG);
- buffer.payload.type = EVENT_TYPE_INT;
- buffer.payload.data = htole32(snapshot);
-
- newVec[2].iov_base = &buffer;
- newVec[2].iov_len = sizeof(buffer);
-
- ret = TEMP_FAILURE_RETRY(writev(logd_fd, newVec + 1, 2));
- if (ret != (ssize_t)(sizeof(header) + sizeof(buffer))) {
- atomic_fetch_add_explicit(&dropped_security, snapshot,
- memory_order_relaxed);
- }
- }
- snapshot = atomic_exchange_explicit(&dropped, 0, memory_order_relaxed);
- if (snapshot && __android_log_is_loggable(ANDROID_LOG_INFO,
- "liblog",
- ANDROID_LOG_VERBOSE)) {
- android_log_event_int_t buffer;
-
- header.id = LOG_ID_EVENTS;
- buffer.header.tag = htole32(LIBLOG_LOG_TAG);
- buffer.payload.type = EVENT_TYPE_INT;
- buffer.payload.data = htole32(snapshot);
-
- newVec[2].iov_base = &buffer;
- newVec[2].iov_len = sizeof(buffer);
-
- ret = TEMP_FAILURE_RETRY(writev(logd_fd, newVec + 1, 2));
- if (ret != (ssize_t)(sizeof(header) + sizeof(buffer))) {
- atomic_fetch_add_explicit(&dropped, snapshot,
- memory_order_relaxed);
- }
- }
- }
-
- header.id = log_id;
-
- for (payload_size = 0, i = header_length; i < nr + header_length; i++) {
- newVec[i].iov_base = vec[i - header_length].iov_base;
- payload_size += newVec[i].iov_len = vec[i - header_length].iov_len;
-
- if (payload_size > LOGGER_ENTRY_MAX_PAYLOAD) {
- newVec[i].iov_len -= payload_size - LOGGER_ENTRY_MAX_PAYLOAD;
- if (newVec[i].iov_len) {
- ++i;
- }
- payload_size = LOGGER_ENTRY_MAX_PAYLOAD;
- break;
- }
- }
- pmsg_header.len += payload_size;
-
- if (pstore_fd >= 0) {
- TEMP_FAILURE_RETRY(writev(pstore_fd, newVec, i));
- }
-
- if (last_uid == AID_LOGD) { /* logd, after initialization and priv drop */
- /*
- * ignore log messages we send to ourself (logd).
- * Such log messages are often generated by libraries we depend on
- * which use standard Android logging.
- */
- return 0;
- }
-
- if (logd_fd < 0) {
- return -EBADF;
- }
-
- /*
- * The write below could be lost, but will never block.
- *
- * To logd, we drop the pmsg_header
- *
- * ENOTCONN occurs if logd dies.
- * EAGAIN occurs if logd is overloaded.
- */
- ret = TEMP_FAILURE_RETRY(writev(logd_fd, newVec + 1, i - 1));
- if (ret < 0) {
- ret = -errno;
- if (ret == -ENOTCONN) {
- lock();
- close(logd_fd);
- logd_fd = -1;
- ret = __write_to_log_initialize();
- unlock();
-
- if (ret < 0) {
- return ret;
- }
-
- ret = TEMP_FAILURE_RETRY(writev(logd_fd, newVec + 1, i - 1));
- if (ret < 0) {
- ret = -errno;
- }
- }
- }
-
- if (ret > (ssize_t)sizeof(header)) {
- ret -= sizeof(header);
- } else if (ret == -EAGAIN) {
- atomic_fetch_add_explicit(&dropped, 1, memory_order_relaxed);
- if (log_id == LOG_ID_SECURITY) {
- atomic_fetch_add_explicit(&dropped_security, 1,
- memory_order_relaxed);
- }
- }
-#endif
-
- return ret;
-}
-
-#if FAKE_LOG_DEVICE
-static const char *LOG_NAME[LOG_ID_MAX] = {
- [LOG_ID_MAIN] = "main",
- [LOG_ID_RADIO] = "radio",
- [LOG_ID_EVENTS] = "events",
- [LOG_ID_SYSTEM] = "system",
- [LOG_ID_CRASH] = "crash",
- [LOG_ID_SECURITY] = "security",
- [LOG_ID_KERNEL] = "kernel",
-};
-
-LIBLOG_ABI_PUBLIC const char *android_log_id_to_name(log_id_t log_id)
-{
- if (log_id >= LOG_ID_MAX) {
- log_id = LOG_ID_MAIN;
- }
- return LOG_NAME[log_id];
-}
-#endif
-
-static int __write_to_log_init(log_id_t log_id, struct iovec *vec, size_t nr)
-{
- lock();
-
- if (write_to_log == __write_to_log_init) {
- int ret;
-
- ret = __write_to_log_initialize();
- if (ret < 0) {
- unlock();
-#if (FAKE_LOG_DEVICE == 0)
- if (pstore_fd >= 0) {
- __write_to_log_daemon(log_id, vec, nr);
- }
-#endif
- return ret;
- }
-
- write_to_log = __write_to_log_daemon;
- }
-
- unlock();
-
- return write_to_log(log_id, vec, nr);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_write(int prio, const char *tag,
- const char *msg)
-{
- return __android_log_buf_write(LOG_ID_MAIN, prio, tag, msg);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_buf_write(int bufID, int prio,
- const char *tag, const char *msg)
-{
- struct iovec vec[3];
- char tmp_tag[32];
-
- if (!tag)
- tag = "";
-
- /* XXX: This needs to go! */
- if ((bufID != LOG_ID_RADIO) &&
- (!strcmp(tag, "HTC_RIL") ||
- !strncmp(tag, "RIL", 3) || /* Any log tag with "RIL" as the prefix */
- !strncmp(tag, "IMS", 3) || /* Any log tag with "IMS" as the prefix */
- !strcmp(tag, "AT") ||
- !strcmp(tag, "GSM") ||
- !strcmp(tag, "STK") ||
- !strcmp(tag, "CDMA") ||
- !strcmp(tag, "PHONE") ||
- !strcmp(tag, "SMS"))) {
- bufID = LOG_ID_RADIO;
- /* Inform third party apps/ril/radio.. to use Rlog or RLOG */
- snprintf(tmp_tag, sizeof(tmp_tag), "use-Rlog/RLOG-%s", tag);
- tag = tmp_tag;
- }
-
-#if __BIONIC__
- if (prio == ANDROID_LOG_FATAL) {
- android_set_abort_message(msg);
- }
-#endif
-
- vec[0].iov_base = (unsigned char *) &prio;
- vec[0].iov_len = 1;
- vec[1].iov_base = (void *) tag;
- vec[1].iov_len = strlen(tag) + 1;
- vec[2].iov_base = (void *) msg;
- vec[2].iov_len = strlen(msg) + 1;
-
- return write_to_log(bufID, vec, 3);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_vprint(int prio, const char *tag,
- const char *fmt, va_list ap)
-{
- char buf[LOG_BUF_SIZE];
-
- vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
-
- return __android_log_write(prio, tag, buf);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_print(int prio, const char *tag,
- const char *fmt, ...)
-{
- va_list ap;
- char buf[LOG_BUF_SIZE];
-
- va_start(ap, fmt);
- vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
- va_end(ap);
-
- return __android_log_write(prio, tag, buf);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_buf_print(int bufID, int prio,
- const char *tag,
- const char *fmt, ...)
-{
- va_list ap;
- char buf[LOG_BUF_SIZE];
-
- va_start(ap, fmt);
- vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
- va_end(ap);
-
- return __android_log_buf_write(bufID, prio, tag, buf);
-}
-
-LIBLOG_ABI_PUBLIC void __android_log_assert(
- const char *cond,
- const char *tag,
- const char *fmt, ...)
-{
- char buf[LOG_BUF_SIZE];
-
- if (fmt) {
- va_list ap;
- va_start(ap, fmt);
- vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
- va_end(ap);
- } else {
- /* Msg not provided, log condition. N.B. Do not use cond directly as
- * format string as it could contain spurious '%' syntax (e.g.
- * "%d" in "blocks%devs == 0").
- */
- if (cond)
- snprintf(buf, LOG_BUF_SIZE, "Assertion failed: %s", cond);
- else
- strcpy(buf, "Unspecified assertion failed");
- }
-
- __android_log_write(ANDROID_LOG_FATAL, tag, buf);
- abort(); /* abort so we have a chance to debug the situation */
- /* NOTREACHED */
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_bwrite(int32_t tag,
- const void *payload, size_t len)
-{
- struct iovec vec[2];
-
- vec[0].iov_base = &tag;
- vec[0].iov_len = sizeof(tag);
- vec[1].iov_base = (void*)payload;
- vec[1].iov_len = len;
-
- return write_to_log(LOG_ID_EVENTS, vec, 2);
-}
-
-LIBLOG_ABI_PUBLIC int __android_log_security_bwrite(int32_t tag,
- const void *payload,
- size_t len)
-{
- struct iovec vec[2];
-
- vec[0].iov_base = &tag;
- vec[0].iov_len = sizeof(tag);
- vec[1].iov_base = (void*)payload;
- vec[1].iov_len = len;
-
- return write_to_log(LOG_ID_SECURITY, vec, 2);
-}
-
-/*
- * Like __android_log_bwrite, but takes the type as well. Doesn't work
- * for the general case where we're generating lists of stuff, but very
- * handy if we just want to dump an integer into the log.
- */
-LIBLOG_ABI_PUBLIC int __android_log_btwrite(int32_t tag, char type,
- const void *payload, size_t len)
-{
- struct iovec vec[3];
-
- vec[0].iov_base = &tag;
- vec[0].iov_len = sizeof(tag);
- vec[1].iov_base = &type;
- vec[1].iov_len = sizeof(type);
- vec[2].iov_base = (void*)payload;
- vec[2].iov_len = len;
-
- return write_to_log(LOG_ID_EVENTS, vec, 3);
-}
-
-/*
- * Like __android_log_bwrite, but used for writing strings to the
- * event log.
- */
-LIBLOG_ABI_PUBLIC int __android_log_bswrite(int32_t tag, const char *payload)
-{
- struct iovec vec[4];
- char type = EVENT_TYPE_STRING;
- uint32_t len = strlen(payload);
-
- vec[0].iov_base = &tag;
- vec[0].iov_len = sizeof(tag);
- vec[1].iov_base = &type;
- vec[1].iov_len = sizeof(type);
- vec[2].iov_base = &len;
- vec[2].iov_len = sizeof(len);
- vec[3].iov_base = (void*)payload;
- vec[3].iov_len = len;
-
- return write_to_log(LOG_ID_EVENTS, vec, 4);
-}
-
-/*
- * Like __android_log_security_bwrite, but used for writing strings to the
- * security log.
- */
-LIBLOG_ABI_PUBLIC int __android_log_security_bswrite(int32_t tag,
- const char *payload)
-{
- struct iovec vec[4];
- char type = EVENT_TYPE_STRING;
- uint32_t len = strlen(payload);
-
- vec[0].iov_base = &tag;
- vec[0].iov_len = sizeof(tag);
- vec[1].iov_base = &type;
- vec[1].iov_len = sizeof(type);
- vec[2].iov_base = &len;
- vec[2].iov_len = sizeof(len);
- vec[3].iov_base = (void*)payload;
- vec[3].iov_len = len;
-
- return write_to_log(LOG_ID_SECURITY, vec, 4);
-}
diff --git a/liblog/logd_writer.c b/liblog/logd_writer.c
new file mode 100644
index 0000000..696237d
--- /dev/null
+++ b/liblog/logd_writer.c
@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <endian.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <poll.h>
+#include <stdarg.h>
+#include <stdatomic.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <cutils/sockets.h>
+#include <log/logd.h>
+#include <log/logger.h>
+#include <log/log_read.h>
+#include <private/android_filesystem_config.h>
+#include <private/android_logger.h>
+
+#include "config_write.h"
+#include "log_portability.h"
+#include "logger.h"
+
+/* branchless on many architectures. */
+#define min(x,y) ((y) ^ (((x) ^ (y)) & -((x) < (y))))
+
+static int logdAvailable(log_id_t LogId);
+static int logdOpen();
+static void logdClose();
+static int logdWrite(log_id_t logId, struct timespec *ts,
+ struct iovec *vec, size_t nr);
+
+LIBLOG_HIDDEN struct android_log_transport_write logdLoggerWrite = {
+ .node = { &logdLoggerWrite.node, &logdLoggerWrite.node },
+ .context.sock = -1,
+ .name = "logd",
+ .available = logdAvailable,
+ .open = logdOpen,
+ .close = logdClose,
+ .write = logdWrite,
+};
+
+/* log_init_lock assumed */
+static int logdOpen()
+{
+ int i, ret = 0;
+
+ if (logdLoggerWrite.context.sock < 0) {
+ i = TEMP_FAILURE_RETRY(socket(PF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0));
+ if (i < 0) {
+ ret = -errno;
+ } else if (TEMP_FAILURE_RETRY(fcntl(i, F_SETFL, O_NONBLOCK)) < 0) {
+ ret = -errno;
+ close(i);
+ } else {
+ struct sockaddr_un un;
+ memset(&un, 0, sizeof(struct sockaddr_un));
+ un.sun_family = AF_UNIX;
+ strcpy(un.sun_path, "/dev/socket/logdw");
+
+ if (TEMP_FAILURE_RETRY(connect(i, (struct sockaddr *)&un,
+ sizeof(struct sockaddr_un))) < 0) {
+ ret = -errno;
+ close(i);
+ } else {
+ logdLoggerWrite.context.sock = i;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static void logdClose()
+{
+ if (logdLoggerWrite.context.sock >= 0) {
+ close(logdLoggerWrite.context.sock);
+ logdLoggerWrite.context.sock = -1;
+ }
+}
+
+static int logdAvailable(log_id_t logId)
+{
+ if (logId > LOG_ID_SECURITY) {
+ return -EINVAL;
+ }
+ if (logId == LOG_ID_SECURITY) {
+ uid_t uid = __android_log_uid();
+ if ((uid != AID_LOG) && (uid != AID_ROOT) && (uid != AID_SYSTEM)) {
+ return -EPERM;
+ }
+ }
+ if (logdLoggerWrite.context.sock < 0) {
+ if (access("/dev/socket/logdw", W_OK) == 0) {
+ return 0;
+ }
+ return -EBADF;
+ }
+ return 1;
+}
+
+static int logdWrite(log_id_t logId, struct timespec *ts,
+ struct iovec *vec, size_t nr)
+{
+ ssize_t ret;
+ static const unsigned headerLength = 1;
+ struct iovec newVec[nr + headerLength];
+ android_log_header_t header;
+ size_t i, payloadSize;
+ static atomic_int_fast32_t dropped;
+ static atomic_int_fast32_t droppedSecurity;
+
+ if (logdLoggerWrite.context.sock < 0) {
+ return -EBADF;
+ }
+
+ /* logd, after initialization and priv drop */
+ if (__android_log_uid() == AID_LOGD) {
+ /*
+ * ignore log messages we send to ourself (logd).
+ * Such log messages are often generated by libraries we depend on
+ * which use standard Android logging.
+ */
+ return 0;
+ }
+
+ /*
+ * struct {
+ * // what we provide to socket
+ * android_log_header_t header;
+ * // caller provides
+ * union {
+ * struct {
+ * char prio;
+ * char payload[];
+ * } string;
+ * struct {
+ * uint32_t tag
+ * char payload[];
+ * } binary;
+ * };
+ * };
+ */
+
+ header.tid = gettid();
+ header.realtime.tv_sec = ts->tv_sec;
+ header.realtime.tv_nsec = ts->tv_nsec;
+
+ newVec[0].iov_base = (unsigned char *)&header;
+ newVec[0].iov_len = sizeof(header);
+
+ if (logdLoggerWrite.context.sock > 0) {
+ int32_t snapshot = atomic_exchange_explicit(&droppedSecurity, 0,
+ memory_order_relaxed);
+ if (snapshot) {
+ android_log_event_int_t buffer;
+
+ header.id = LOG_ID_SECURITY;
+ buffer.header.tag = htole32(LIBLOG_LOG_TAG);
+ buffer.payload.type = EVENT_TYPE_INT;
+ buffer.payload.data = htole32(snapshot);
+
+ newVec[headerLength].iov_base = &buffer;
+ newVec[headerLength].iov_len = sizeof(buffer);
+
+ ret = TEMP_FAILURE_RETRY(writev(logdLoggerWrite.context.sock, newVec, 2));
+ if (ret != (ssize_t)(sizeof(header) + sizeof(buffer))) {
+ atomic_fetch_add_explicit(&droppedSecurity, snapshot,
+ memory_order_relaxed);
+ }
+ }
+ snapshot = atomic_exchange_explicit(&dropped, 0, memory_order_relaxed);
+ if (snapshot && __android_log_is_loggable(ANDROID_LOG_INFO,
+ "liblog",
+ ANDROID_LOG_VERBOSE)) {
+ android_log_event_int_t buffer;
+
+ header.id = LOG_ID_EVENTS;
+ buffer.header.tag = htole32(LIBLOG_LOG_TAG);
+ buffer.payload.type = EVENT_TYPE_INT;
+ buffer.payload.data = htole32(snapshot);
+
+ newVec[headerLength].iov_base = &buffer;
+ newVec[headerLength].iov_len = sizeof(buffer);
+
+ ret = TEMP_FAILURE_RETRY(writev(logdLoggerWrite.context.sock, newVec, 2));
+ if (ret != (ssize_t)(sizeof(header) + sizeof(buffer))) {
+ atomic_fetch_add_explicit(&dropped, snapshot,
+ memory_order_relaxed);
+ }
+ }
+ }
+
+ header.id = logId;
+
+ for (payloadSize = 0, i = headerLength; i < nr + headerLength; i++) {
+ newVec[i].iov_base = vec[i - headerLength].iov_base;
+ payloadSize += newVec[i].iov_len = vec[i - headerLength].iov_len;
+
+ if (payloadSize > LOGGER_ENTRY_MAX_PAYLOAD) {
+ newVec[i].iov_len -= payloadSize - LOGGER_ENTRY_MAX_PAYLOAD;
+ if (newVec[i].iov_len) {
+ ++i;
+ }
+ break;
+ }
+ }
+
+ /*
+ * The write below could be lost, but will never block.
+ *
+ * ENOTCONN occurs if logd dies.
+ * EAGAIN occurs if logd is overloaded.
+ */
+ ret = TEMP_FAILURE_RETRY(writev(logdLoggerWrite.context.sock, newVec, i));
+ if (ret < 0) {
+ ret = -errno;
+ if (ret == -ENOTCONN) {
+ __android_log_lock();
+ logdClose();
+ ret = logdOpen();
+ __android_log_unlock();
+
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = TEMP_FAILURE_RETRY(writev(logdLoggerWrite.context.sock, newVec, i));
+ if (ret < 0) {
+ ret = -errno;
+ }
+ }
+ }
+
+ if (ret > (ssize_t)sizeof(header)) {
+ ret -= sizeof(header);
+ } else if (ret == -EAGAIN) {
+ atomic_fetch_add_explicit(&dropped, 1, memory_order_relaxed);
+ if (logId == LOG_ID_SECURITY) {
+ atomic_fetch_add_explicit(&droppedSecurity, 1,
+ memory_order_relaxed);
+ }
+ }
+
+ return ret;
+}
diff --git a/liblog/logger.h b/liblog/logger.h
new file mode 100644
index 0000000..61bc396
--- /dev/null
+++ b/liblog/logger.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBLOG_LOGGER_H__
+#define _LIBLOG_LOGGER_H__
+
+#include <stdbool.h>
+#include <log/uio.h>
+
+#include <cutils/list.h>
+#include <log/log.h>
+#include <log/log_read.h>
+#include <log/logger.h>
+
+#include "log_portability.h"
+
+__BEGIN_DECLS
+
+/* Union, sock or fd of zero is not allowed unless static initialized */
+union android_log_context {
+ void *private;
+ int sock;
+ int fd;
+ struct listnode *node;
+};
+
+struct android_log_transport_write {
+ struct listnode node;
+ const char *name;
+ union android_log_context context; /* Initialized by static allocation */
+
+ int (*available)(log_id_t logId);
+ int (*open)();
+ void (*close)();
+ int (*write)(log_id_t logId, struct timespec *ts, struct iovec *vec, size_t nr);
+};
+
+struct android_log_logger_list;
+struct android_log_transport_context;
+struct android_log_logger;
+
+struct android_log_transport_read {
+ struct listnode node;
+ const char *name;
+
+ int (*available)(log_id_t logId);
+ int (*version)(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+ void (*close)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp);
+
+ /*
+ * Expect all to instantiate open on any call, so we do not have
+ * an expicit open call
+ */
+ int (*read)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ struct log_msg *log_msg);
+ /* Assumption is only called if not ANDROID_LOG_NONBLOCK */
+ int (*poll)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp);
+
+ int (*clear)(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+ ssize_t (*setSize)(struct android_log_logger *logger,
+ struct android_log_transport_context *transp,
+ size_t size);
+ ssize_t (*getSize)(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+ ssize_t (*getReadableSize)(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+
+ ssize_t (*getPrune)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+ ssize_t (*setPrune)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+ ssize_t (*getStats)(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ char *buf, size_t len);
+};
+
+struct android_log_logger_list {
+ struct listnode logger;
+ struct listnode transport;
+ int mode;
+ unsigned int tail;
+ log_time start;
+ pid_t pid;
+};
+
+struct android_log_logger {
+ struct listnode node;
+ struct android_log_logger_list *parent;
+
+ log_id_t logId;
+};
+
+struct android_log_transport_context {
+ struct listnode node;
+ union android_log_context context; /* zero init per-transport context */
+ struct android_log_logger_list *parent;
+
+ struct android_log_transport_read *transport;
+ unsigned logMask;
+ int ret;
+ struct log_msg logMsg; /* valid is logMsg.len != 0 */
+};
+
+/* assumes caller has structures read-locked, single threaded, or fenced */
+#define transport_context_for_each(transp, logger_list) \
+ for (transp = node_to_item((logger_list)->transport.next, \
+ struct android_log_transport_context, \
+ node); \
+ (transp != node_to_item(&(logger_list)->transport, \
+ struct android_log_transport_context, \
+ node)) && \
+ (transp->parent == (logger_list)); \
+ transp = node_to_item(transp->node.next, \
+ struct android_log_transport_context, node))
+
+#define logger_for_each(logp, logger_list) \
+ for (logp = node_to_item((logger_list)->logger.next, \
+ struct android_log_logger, node); \
+ (logp != node_to_item(&(logger_list)->logger, \
+ struct android_log_logger, node)) && \
+ (logp->parent == (logger_list)); \
+ logp = node_to_item((logp)->node.next, \
+ struct android_log_logger, node))
+
+/* OS specific dribs and drabs */
+
+#if defined(_WIN32)
+typedef uint32_t uid_t;
+#endif
+
+LIBLOG_HIDDEN uid_t __android_log_uid();
+LIBLOG_HIDDEN pid_t __android_log_pid();
+LIBLOG_HIDDEN void __android_log_lock();
+LIBLOG_HIDDEN int __android_log_trylock();
+LIBLOG_HIDDEN void __android_log_unlock();
+
+__END_DECLS
+
+#endif /* _LIBLOG_LOGGER_H__ */
diff --git a/liblog/logger_lock.c b/liblog/logger_lock.c
new file mode 100644
index 0000000..ee979bd
--- /dev/null
+++ b/liblog/logger_lock.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Some OS specific dribs and drabs (locking etc).
+ */
+
+#if !defined(_WIN32)
+#include <pthread.h>
+#endif
+
+#include <private/android_filesystem_config.h>
+
+#include "logger.h"
+
+LIBLOG_HIDDEN uid_t __android_log_uid()
+{
+#if defined(_WIN32)
+ return AID_SYSTEM;
+#else
+ static uid_t last_uid = AID_ROOT; /* logd *always* starts up as AID_ROOT */
+
+ if (last_uid == AID_ROOT) { /* have we called to get the UID yet? */
+ last_uid = getuid();
+ }
+ return last_uid;
+#endif
+}
+
+LIBLOG_HIDDEN pid_t __android_log_pid()
+{
+ static pid_t last_pid = (pid_t) -1;
+
+ if (last_pid == (pid_t) -1) {
+ last_pid = getpid();
+ }
+ return last_pid;
+}
+
+#if !defined(_WIN32)
+static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
+LIBLOG_HIDDEN void __android_log_lock()
+{
+#if !defined(_WIN32)
+ /*
+ * If we trigger a signal handler in the middle of locked activity and the
+ * signal handler logs a message, we could get into a deadlock state.
+ */
+ pthread_mutex_lock(&log_init_lock);
+#endif
+}
+
+LIBLOG_HIDDEN int __android_log_trylock()
+{
+#if !defined(_WIN32)
+ return pthread_mutex_trylock(&log_init_lock);
+#else
+ return 0;
+#endif
+}
+
+LIBLOG_HIDDEN void __android_log_unlock()
+{
+#if !defined(_WIN32)
+ pthread_mutex_unlock(&log_init_lock);
+#endif
+}
diff --git a/liblog/logger_name.c b/liblog/logger_name.c
new file mode 100644
index 0000000..b7ccac5
--- /dev/null
+++ b/liblog/logger_name.c
@@ -0,0 +1,65 @@
+/*
+** Copyright 2013-2014, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <string.h>
+
+#include <log/log.h>
+#include <log/logger.h>
+
+#include "log_portability.h"
+
+/* In the future, we would like to make this list extensible */
+static const char *LOG_NAME[LOG_ID_MAX] = {
+ [LOG_ID_MAIN] = "main",
+ [LOG_ID_RADIO] = "radio",
+ [LOG_ID_EVENTS] = "events",
+ [LOG_ID_SYSTEM] = "system",
+ [LOG_ID_CRASH] = "crash",
+ [LOG_ID_SECURITY] = "security",
+ [LOG_ID_KERNEL] = "kernel",
+};
+
+LIBLOG_ABI_PUBLIC const char *android_log_id_to_name(log_id_t log_id)
+{
+ if (log_id >= LOG_ID_MAX) {
+ log_id = LOG_ID_MAIN;
+ }
+ return LOG_NAME[log_id];
+}
+
+LIBLOG_ABI_PUBLIC log_id_t android_name_to_log_id(const char *logName)
+{
+ const char *b;
+ int ret;
+
+ if (!logName) {
+ return -1; /* NB: log_id_t is unsigned */
+ }
+ b = strrchr(logName, '/');
+ if (!b) {
+ b = logName;
+ } else {
+ ++b;
+ }
+
+ for(ret = LOG_ID_MIN; ret < LOG_ID_MAX; ++ret) {
+ const char *l = LOG_NAME[ret];
+ if (l && !strcmp(b, l)) {
+ return ret;
+ }
+ }
+ return -1; /* should never happen */
+}
diff --git a/liblog/logger_read.c b/liblog/logger_read.c
new file mode 100644
index 0000000..f15c7cd
--- /dev/null
+++ b/liblog/logger_read.c
@@ -0,0 +1,474 @@
+/*
+** Copyright 2013-2014, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <sched.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <cutils/list.h>
+#include <log/log.h>
+#include <log/logger.h>
+
+#include "config_read.h"
+#include "log_portability.h"
+#include "logger.h"
+
+/* android_logger_alloc unimplemented, no use case */
+/* android_logger_free not exported */
+static void android_logger_free(struct logger *logger)
+{
+ struct android_log_logger *logger_internal =
+ (struct android_log_logger *)logger;
+
+ if (!logger_internal) {
+ return;
+ }
+
+ list_remove(&logger_internal->node);
+
+ free(logger_internal);
+}
+
+/* android_logger_alloc unimplemented, no use case */
+
+/* method for getting the associated sublog id */
+LIBLOG_ABI_PUBLIC log_id_t android_logger_get_id(struct logger *logger)
+{
+ return ((struct android_log_logger *)logger)->logId;
+}
+
+static int init_transport_context(struct android_log_logger_list *logger_list)
+{
+ struct android_log_transport_read *transport;
+ struct listnode *node;
+
+ if (!logger_list) {
+ return -EINVAL;
+ }
+
+ if (list_empty(&logger_list->logger)) {
+ return -EINVAL;
+ }
+
+ if (!list_empty(&logger_list->transport)) {
+ return 0;
+ }
+
+ __android_log_lock();
+ /* mini __write_to_log_initialize() to populate transports */
+ if (list_empty(&__android_log_transport_read) &&
+ list_empty(&__android_log_persist_read)) {
+ __android_log_config_read();
+ }
+ __android_log_unlock();
+
+ node = (logger_list->mode & ANDROID_LOG_PSTORE) ?
+ &__android_log_persist_read : &__android_log_transport_read;
+
+ read_transport_for_each(transport, node) {
+ struct android_log_transport_context *transp;
+ struct android_log_logger *logger;
+ unsigned logMask = 0;
+
+ logger_for_each(logger, logger_list) {
+ log_id_t logId = logger->logId;
+
+ if (transport->read &&
+ (!transport->available ||
+ (transport->available(logId) >= 0))) {
+ logMask |= 1 << logId;
+ }
+ }
+ if (!logMask) {
+ continue;
+ }
+ transp = calloc(1, sizeof(*transp));
+ if (!transp) {
+ return -ENOMEM;
+ }
+ transp->parent = logger_list;
+ transp->transport = transport;
+ transp->logMask = logMask;
+ transp->ret = 1;
+ list_add_tail(&logger_list->transport, &transp->node);
+ }
+ if (list_empty(&logger_list->transport)) {
+ return -ENODEV;
+ }
+ return 0;
+}
+
+#define LOGGER_FUNCTION(logger, def, func, args...) \
+ ssize_t ret = -EINVAL; \
+ struct android_log_transport_context *transp; \
+ struct android_log_logger *logger_internal = \
+ (struct android_log_logger *)logger; \
+ \
+ if (!logger_internal) { \
+ return ret; \
+ } \
+ ret = init_transport_context(logger_internal->parent); \
+ if (ret < 0) { \
+ return ret; \
+ } \
+ \
+ ret = (def); \
+ transport_context_for_each(transp, logger_internal->parent) { \
+ if ((transp->logMask & (1 << logger_internal->logId)) && \
+ transp->transport && transp->transport->func) { \
+ ssize_t retval = (transp->transport->func)(logger_internal, \
+ transp, ## args); \
+ if ((ret >= 0) || (ret == (def))) { \
+ ret = retval; \
+ } \
+ } \
+ } \
+ return ret
+
+LIBLOG_ABI_PUBLIC int android_logger_clear(struct logger *logger)
+{
+ LOGGER_FUNCTION(logger, -ENODEV, clear);
+}
+
+/* returns the total size of the log's ring buffer */
+LIBLOG_ABI_PUBLIC long android_logger_get_log_size(struct logger *logger)
+{
+ LOGGER_FUNCTION(logger, -ENODEV, getSize);
+}
+
+LIBLOG_ABI_PUBLIC int android_logger_set_log_size(struct logger *logger,
+ unsigned long size)
+{
+ LOGGER_FUNCTION(logger, -ENODEV, setSize, size);
+}
+
+/*
+ * returns the readable size of the log's ring buffer (that is, amount of the
+ * log consumed)
+ */
+LIBLOG_ABI_PUBLIC long android_logger_get_log_readable_size(
+ struct logger *logger)
+{
+ LOGGER_FUNCTION(logger, -ENODEV, getReadableSize);
+}
+
+/*
+ * returns the logger version
+ */
+LIBLOG_ABI_PUBLIC int android_logger_get_log_version(struct logger *logger)
+{
+ LOGGER_FUNCTION(logger, 4, version);
+}
+
+#define LOGGER_LIST_FUNCTION(logger_list, def, func, args...) \
+ struct android_log_transport_context *transp; \
+ struct android_log_logger_list *logger_list_internal = \
+ (struct android_log_logger_list *)logger_list; \
+ \
+ ssize_t ret = init_transport_context(logger_list_internal); \
+ if (ret < 0) { \
+ return ret; \
+ } \
+ \
+ ret = (def); \
+ transport_context_for_each(transp, logger_list_internal) { \
+ if (transp->transport && (transp->transport->func)) { \
+ ssize_t retval = (transp->transport->func)(logger_list_internal, \
+ transp, ## args); \
+ if ((ret >= 0) || (ret == (def))) { \
+ ret = retval; \
+ } \
+ } \
+ } \
+ return ret
+
+/*
+ * returns statistics
+ */
+LIBLOG_ABI_PUBLIC ssize_t android_logger_get_statistics(
+ struct logger_list *logger_list,
+ char *buf, size_t len)
+{
+ LOGGER_LIST_FUNCTION(logger_list, -ENODEV, getStats, buf, len);
+}
+
+LIBLOG_ABI_PUBLIC ssize_t android_logger_get_prune_list(
+ struct logger_list *logger_list,
+ char *buf, size_t len)
+{
+ LOGGER_LIST_FUNCTION(logger_list, -ENODEV, getPrune, buf, len);
+}
+
+LIBLOG_ABI_PUBLIC int android_logger_set_prune_list(
+ struct logger_list *logger_list,
+ char *buf, size_t len)
+{
+ LOGGER_LIST_FUNCTION(logger_list, -ENODEV, setPrune, buf, len);
+}
+
+LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_alloc(
+ int mode,
+ unsigned int tail,
+ pid_t pid)
+{
+ struct android_log_logger_list *logger_list;
+
+ logger_list = calloc(1, sizeof(*logger_list));
+ if (!logger_list) {
+ return NULL;
+ }
+
+ list_init(&logger_list->logger);
+ list_init(&logger_list->transport);
+ logger_list->mode = mode;
+ logger_list->tail = tail;
+ logger_list->pid = pid;
+
+ return (struct logger_list *)logger_list;
+}
+
+LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_alloc_time(
+ int mode,
+ log_time start,
+ pid_t pid)
+{
+ struct android_log_logger_list *logger_list;
+
+ logger_list = calloc(1, sizeof(*logger_list));
+ if (!logger_list) {
+ return NULL;
+ }
+
+ list_init(&logger_list->logger);
+ list_init(&logger_list->transport);
+ logger_list->mode = mode;
+ logger_list->start = start;
+ logger_list->pid = pid;
+
+ return (struct logger_list *)logger_list;
+}
+
+/* android_logger_list_register unimplemented, no use case */
+/* android_logger_list_unregister unimplemented, no use case */
+
+/* Open the named log and add it to the logger list */
+LIBLOG_ABI_PUBLIC struct logger *android_logger_open(
+ struct logger_list *logger_list,
+ log_id_t logId)
+{
+ struct android_log_logger_list *logger_list_internal =
+ (struct android_log_logger_list *)logger_list;
+ struct android_log_logger *logger;
+
+ if (!logger_list_internal || (logId >= LOG_ID_MAX)) {
+ goto err;
+ }
+
+ logger_for_each(logger, logger_list_internal) {
+ if (logger->logId == logId) {
+ goto ok;
+ }
+ }
+
+ logger = calloc(1, sizeof(*logger));
+ if (!logger) {
+ goto err;
+ }
+
+ logger->logId = logId;
+ list_add_tail(&logger_list_internal->logger, &logger->node);
+ logger->parent = logger_list_internal;
+
+ /* Reset known transports to re-evaluate, we just added one */
+ while (!list_empty(&logger_list_internal->transport)) {
+ struct listnode *node = list_head(&logger_list_internal->transport);
+ struct android_log_transport_context *transp =
+ node_to_item(node, struct android_log_transport_context, node);
+
+ list_remove(&transp->node);
+ free(transp);
+ }
+ goto ok;
+
+err:
+ logger = NULL;
+ok:
+ return (struct logger *)logger;
+}
+
+/* Open the single named log and make it part of a new logger list */
+LIBLOG_ABI_PUBLIC struct logger_list *android_logger_list_open(
+ log_id_t logId,
+ int mode,
+ unsigned int tail,
+ pid_t pid)
+{
+ struct logger_list *logger_list =
+ android_logger_list_alloc(mode, tail, pid);
+
+ if (!logger_list) {
+ return NULL;
+ }
+
+ if (!android_logger_open(logger_list, logId)) {
+ android_logger_list_free(logger_list);
+ return NULL;
+ }
+
+ return logger_list;
+}
+
+/* Read from the selected logs */
+LIBLOG_ABI_PUBLIC int android_logger_list_read(struct logger_list *logger_list,
+ struct log_msg *log_msg)
+{
+ struct android_log_transport_context *transp;
+ struct android_log_logger_list *logger_list_internal =
+ (struct android_log_logger_list *)logger_list;
+
+ int ret = init_transport_context(logger_list_internal);
+ if (ret < 0) {
+ return ret;
+ }
+
+ /* at least one transport */
+ transp = node_to_item(logger_list_internal->transport.next,
+ struct android_log_transport_context, node);
+
+ /* more than one transport? */
+ if (transp->node.next != &logger_list_internal->transport) {
+ /* Poll and merge sort the entries if from multiple transports */
+ struct android_log_transport_context *oldest = NULL;
+ int ret;
+ int polled = 0;
+ do {
+ if (polled) {
+ sched_yield();
+ }
+ ret = -1000;
+ polled = 0;
+ do {
+ int retval = transp->ret;
+ if ((retval > 0) && !transp->logMsg.entry.len) {
+ if (!transp->transport->read) {
+ retval = transp->ret = 0;
+ } else if ((logger_list_internal->mode &
+ ANDROID_LOG_NONBLOCK) ||
+ !transp->transport->poll) {
+ retval = transp->ret = (*transp->transport->read)(
+ logger_list_internal,
+ transp,
+ &transp->logMsg);
+ } else {
+ int pollval = (*transp->transport->poll)(
+ logger_list_internal, transp);
+ if (pollval <= 0) {
+ sched_yield();
+ pollval = (*transp->transport->poll)(
+ logger_list_internal, transp);
+ }
+ polled = 1;
+ if (pollval < 0) {
+ if ((pollval == -EINTR) || (pollval == -EAGAIN)) {
+ return -EAGAIN;
+ }
+ retval = transp->ret = pollval;
+ } else if (pollval > 0) {
+ retval = transp->ret = (*transp->transport->read)(
+ logger_list_internal,
+ transp,
+ &transp->logMsg);
+ }
+ }
+ }
+ if (ret < retval) {
+ ret = retval;
+ }
+ if ((transp->ret > 0) && transp->logMsg.entry.len &&
+ (!oldest ||
+ (oldest->logMsg.entry.sec >
+ transp->logMsg.entry.sec) ||
+ ((oldest->logMsg.entry.sec ==
+ transp->logMsg.entry.sec) &&
+ (oldest->logMsg.entry.nsec >
+ transp->logMsg.entry.nsec)))) {
+ oldest = transp;
+ }
+ transp = node_to_item(transp->node.next,
+ struct android_log_transport_context,
+ node);
+ } while (transp != node_to_item(
+ &logger_list_internal->transport,
+ struct android_log_transport_context,
+ node));
+ if (!oldest &&
+ (logger_list_internal->mode & ANDROID_LOG_NONBLOCK)) {
+ return (ret < 0) ? ret : -EAGAIN;
+ }
+ transp = node_to_item(logger_list_internal->transport.next,
+ struct android_log_transport_context, node);
+ } while (!oldest && (ret > 0));
+ if (!oldest) {
+ return ret;
+ }
+ memcpy(log_msg, &oldest->logMsg, oldest->logMsg.entry.len +
+ (oldest->logMsg.entry.hdr_size ?
+ oldest->logMsg.entry.hdr_size :
+ sizeof(struct logger_entry)));
+ oldest->logMsg.entry.len = 0; /* Mark it as copied */
+ return oldest->ret;
+ }
+
+ /* if only one, no need to copy into transport_context and merge-sort */
+ return (transp->transport->read)(logger_list_internal, transp, log_msg);
+}
+
+/* Close all the logs */
+LIBLOG_ABI_PUBLIC void android_logger_list_free(struct logger_list *logger_list)
+{
+ struct android_log_logger_list *logger_list_internal =
+ (struct android_log_logger_list *)logger_list;
+
+ if (logger_list_internal == NULL) {
+ return;
+ }
+
+ while (!list_empty(&logger_list_internal->transport)) {
+ struct listnode *node = list_head(&logger_list_internal->transport);
+ struct android_log_transport_context *transp =
+ node_to_item(node, struct android_log_transport_context, node);
+
+ if (transp->transport && transp->transport->close) {
+ (*transp->transport->close)(logger_list_internal, transp);
+ }
+ list_remove(&transp->node);
+ free(transp);
+ }
+
+ while (!list_empty(&logger_list_internal->logger)) {
+ struct listnode *node = list_head(&logger_list_internal->logger);
+ struct android_log_logger *logger =
+ node_to_item(node, struct android_log_logger, node);
+ android_logger_free((struct logger *)logger);
+ }
+
+ free(logger_list_internal);
+}
diff --git a/liblog/logger_write.c b/liblog/logger_write.c
new file mode 100644
index 0000000..a4155e9
--- /dev/null
+++ b/liblog/logger_write.c
@@ -0,0 +1,509 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <stdatomic.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#ifdef __BIONIC__
+#include <android/set_abort_message.h>
+#endif
+
+#include <log/event_tag_map.h>
+#include <log/logd.h>
+#include <log/logger.h>
+#include <log/log_read.h>
+#include <private/android_filesystem_config.h>
+#include <private/android_logger.h>
+
+#include "config_write.h"
+#include "log_portability.h"
+#include "logger.h"
+
+#define LOG_BUF_SIZE 1024
+
+static int __write_to_log_init(log_id_t, struct iovec *vec, size_t nr);
+static int (*write_to_log)(log_id_t, struct iovec *vec, size_t nr) = __write_to_log_init;
+
+/*
+ * This is used by the C++ code to decide if it should write logs through
+ * the C code. Basically, if /dev/socket/logd is available, we're running in
+ * the simulator rather than a desktop tool and want to use the device.
+ */
+static enum {
+ kLogUninitialized, kLogNotAvailable, kLogAvailable
+} g_log_status = kLogUninitialized;
+
+LIBLOG_ABI_PUBLIC int __android_log_dev_available()
+{
+ struct android_log_transport_write *node;
+ size_t i;
+
+ if (list_empty(&__android_log_transport_write)) {
+ return kLogUninitialized;
+ }
+ for (i = LOG_ID_MIN; i < LOG_ID_MAX; ++i) {
+ write_transport_for_each(node, &__android_log_transport_write) {
+ if (node->write &&
+ (!node->available || ((*node->available)(i) >= 0))) {
+ return kLogAvailable;
+ }
+ }
+ }
+ return kLogNotAvailable;
+}
+
+/* log_init_lock assumed */
+static int __write_to_log_initialize()
+{
+ struct android_log_transport_write *transport;
+ struct listnode *n;
+ int i = 0, ret = 0;
+
+ __android_log_config_write();
+ write_transport_for_each_safe(transport, n, &__android_log_transport_write) {
+ if (!transport->open || ((*transport->open)() < 0)) {
+ if (transport->close) {
+ (*transport->close)();
+ }
+ list_remove(&transport->node);
+ continue;
+ }
+ ++ret;
+ }
+ write_transport_for_each_safe(transport, n, &__android_log_persist_write) {
+ if (!transport->open || ((*transport->open)() < 0)) {
+ if (transport->close) {
+ (*transport->close)();
+ }
+ list_remove(&transport->node);
+ continue;
+ }
+ ++i;
+ }
+ if (!ret && !i) {
+ return -ENODEV;
+ }
+
+ return ret;
+}
+
+/*
+ * Extract a 4-byte value from a byte stream. le32toh open coded
+ */
+static inline uint32_t get4LE(const uint8_t* src)
+{
+ return src[0] | (src[1] << 8) | (src[2] << 16) | (src[3] << 24);
+}
+
+static int __write_to_log_daemon(log_id_t log_id, struct iovec *vec, size_t nr)
+{
+ struct android_log_transport_write *node;
+ int ret;
+ struct timespec ts;
+ size_t len, i;
+
+ for (len = i = 0; i < nr; ++i) {
+ len += vec[i].iov_len;
+ }
+ if (!len) {
+ return -EINVAL;
+ }
+
+#if defined(__BIONIC__)
+ if (log_id == LOG_ID_SECURITY) {
+ uid_t uid;
+
+ if (vec[0].iov_len < 4) {
+ return -EINVAL;
+ }
+
+ uid = __android_log_uid();
+ /* Matches clientHasLogCredentials() in logd */
+ if ((uid != AID_SYSTEM) && (uid != AID_ROOT) && (uid != AID_LOG)) {
+ uid = geteuid();
+ if ((uid != AID_SYSTEM) && (uid != AID_ROOT) && (uid != AID_LOG)) {
+ gid_t gid = getgid();
+ if ((gid != AID_SYSTEM) &&
+ (gid != AID_ROOT) &&
+ (gid != AID_LOG)) {
+ gid = getegid();
+ if ((gid != AID_SYSTEM) &&
+ (gid != AID_ROOT) &&
+ (gid != AID_LOG)) {
+ int num_groups;
+ gid_t *groups;
+
+ num_groups = getgroups(0, NULL);
+ if (num_groups <= 0) {
+ return -EPERM;
+ }
+ groups = calloc(num_groups, sizeof(gid_t));
+ if (!groups) {
+ return -ENOMEM;
+ }
+ num_groups = getgroups(num_groups, groups);
+ while (num_groups > 0) {
+ if (groups[num_groups - 1] == AID_LOG) {
+ break;
+ }
+ --num_groups;
+ }
+ free(groups);
+ if (num_groups <= 0) {
+ return -EPERM;
+ }
+ }
+ }
+ }
+ }
+ if (!__android_log_security()) {
+ /* If only we could reset downstream logd counter */
+ return -EPERM;
+ }
+ } else if (log_id == LOG_ID_EVENTS) {
+ static atomic_uintptr_t map;
+ const char *tag;
+ EventTagMap *m, *f;
+
+ if (vec[0].iov_len < 4) {
+ return -EINVAL;
+ }
+
+ tag = NULL;
+ f = NULL;
+ m = (EventTagMap *)atomic_load(&map);
+
+ if (!m) {
+ ret = __android_log_trylock();
+ m = (EventTagMap *)atomic_load(&map); /* trylock flush cache */
+ if (!m) {
+ m = android_openEventTagMap(EVENT_TAG_MAP_FILE);
+ if (ret) { /* trylock failed, use local copy, mark for close */
+ f = m;
+ } else {
+ if (!m) { /* One chance to open map file */
+ m = (EventTagMap *)(uintptr_t)-1LL;
+ }
+ atomic_store(&map, (uintptr_t)m);
+ }
+ }
+ if (!ret) { /* trylock succeeded, unlock */
+ __android_log_unlock();
+ }
+ }
+ if (m && (m != (EventTagMap *)(uintptr_t)-1LL)) {
+ tag = android_lookupEventTag(m, get4LE(vec[0].iov_base));
+ }
+ ret = __android_log_is_loggable(ANDROID_LOG_INFO,
+ tag,
+ ANDROID_LOG_VERBOSE);
+ if (f) { /* local copy marked for close */
+ android_closeEventTagMap(f);
+ }
+ if (!ret) {
+ return -EPERM;
+ }
+ } else {
+ /* Validate the incoming tag, tag content can not split across iovec */
+ char prio = ANDROID_LOG_VERBOSE;
+ const char *tag = vec[0].iov_base;
+ size_t len = vec[0].iov_len;
+ if (!tag) {
+ len = 0;
+ }
+ if (len > 0) {
+ prio = *tag;
+ if (len > 1) {
+ --len;
+ ++tag;
+ } else {
+ len = vec[1].iov_len;
+ tag = ((const char *)vec[1].iov_base);
+ if (!tag) {
+ len = 0;
+ }
+ }
+ }
+ /* tag must be nul terminated */
+ if (strnlen(tag, len) >= len) {
+ tag = NULL;
+ }
+
+ if (!__android_log_is_loggable(prio, tag, ANDROID_LOG_VERBOSE)) {
+ return -EPERM;
+ }
+ }
+
+ clock_gettime(android_log_clockid(), &ts);
+#else
+ /* simulate clock_gettime(CLOCK_REALTIME, &ts); */
+ {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ ts.tv_sec = tv.tv_sec;
+ ts.tv_nsec = tv.tv_usec * 1000;
+ }
+#endif
+
+ ret = 0;
+ write_transport_for_each(node, &__android_log_transport_write) {
+ if (node->write) {
+ ssize_t retval;
+ retval = (*node->write)(log_id, &ts, vec, nr);
+ if (ret >= 0) {
+ ret = retval;
+ }
+ }
+ }
+
+ write_transport_for_each(node, &__android_log_persist_write) {
+ if (node->write) {
+ (void)(*node->write)(log_id, &ts, vec, nr);
+ }
+ }
+
+ return ret;
+}
+
+static int __write_to_log_init(log_id_t log_id, struct iovec *vec, size_t nr)
+{
+ __android_log_lock();
+
+ if (write_to_log == __write_to_log_init) {
+ int ret;
+
+ ret = __write_to_log_initialize();
+ if (ret < 0) {
+ __android_log_unlock();
+ if (!list_empty(&__android_log_persist_write)) {
+ __write_to_log_daemon(log_id, vec, nr);
+ }
+ return ret;
+ }
+
+ write_to_log = __write_to_log_daemon;
+ }
+
+ __android_log_unlock();
+
+ return write_to_log(log_id, vec, nr);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_write(int prio, const char *tag,
+ const char *msg)
+{
+ return __android_log_buf_write(LOG_ID_MAIN, prio, tag, msg);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_buf_write(int bufID, int prio,
+ const char *tag, const char *msg)
+{
+ struct iovec vec[3];
+ char tmp_tag[32];
+
+ if (!tag)
+ tag = "";
+
+ /* XXX: This needs to go! */
+ if ((bufID != LOG_ID_RADIO) &&
+ (!strcmp(tag, "HTC_RIL") ||
+ !strncmp(tag, "RIL", 3) || /* Any log tag with "RIL" as the prefix */
+ !strncmp(tag, "IMS", 3) || /* Any log tag with "IMS" as the prefix */
+ !strcmp(tag, "AT") ||
+ !strcmp(tag, "GSM") ||
+ !strcmp(tag, "STK") ||
+ !strcmp(tag, "CDMA") ||
+ !strcmp(tag, "PHONE") ||
+ !strcmp(tag, "SMS"))) {
+ bufID = LOG_ID_RADIO;
+ /* Inform third party apps/ril/radio.. to use Rlog or RLOG */
+ snprintf(tmp_tag, sizeof(tmp_tag), "use-Rlog/RLOG-%s", tag);
+ tag = tmp_tag;
+ }
+
+#if __BIONIC__
+ if (prio == ANDROID_LOG_FATAL) {
+ android_set_abort_message(msg);
+ }
+#endif
+
+ vec[0].iov_base = (unsigned char *) &prio;
+ vec[0].iov_len = 1;
+ vec[1].iov_base = (void *) tag;
+ vec[1].iov_len = strlen(tag) + 1;
+ vec[2].iov_base = (void *) msg;
+ vec[2].iov_len = strlen(msg) + 1;
+
+ return write_to_log(bufID, vec, 3);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_vprint(int prio, const char *tag,
+ const char *fmt, va_list ap)
+{
+ char buf[LOG_BUF_SIZE];
+
+ vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
+
+ return __android_log_write(prio, tag, buf);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_print(int prio, const char *tag,
+ const char *fmt, ...)
+{
+ va_list ap;
+ char buf[LOG_BUF_SIZE];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
+ va_end(ap);
+
+ return __android_log_write(prio, tag, buf);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_buf_print(int bufID, int prio,
+ const char *tag,
+ const char *fmt, ...)
+{
+ va_list ap;
+ char buf[LOG_BUF_SIZE];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
+ va_end(ap);
+
+ return __android_log_buf_write(bufID, prio, tag, buf);
+}
+
+LIBLOG_ABI_PUBLIC void __android_log_assert(const char *cond, const char *tag,
+ const char *fmt, ...)
+{
+ char buf[LOG_BUF_SIZE];
+
+ if (fmt) {
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
+ va_end(ap);
+ } else {
+ /* Msg not provided, log condition. N.B. Do not use cond directly as
+ * format string as it could contain spurious '%' syntax (e.g.
+ * "%d" in "blocks%devs == 0").
+ */
+ if (cond)
+ snprintf(buf, LOG_BUF_SIZE, "Assertion failed: %s", cond);
+ else
+ strcpy(buf, "Unspecified assertion failed");
+ }
+
+ __android_log_write(ANDROID_LOG_FATAL, tag, buf);
+ abort(); /* abort so we have a chance to debug the situation */
+ /* NOTREACHED */
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_bwrite(int32_t tag,
+ const void *payload, size_t len)
+{
+ struct iovec vec[2];
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = (void*)payload;
+ vec[1].iov_len = len;
+
+ return write_to_log(LOG_ID_EVENTS, vec, 2);
+}
+
+LIBLOG_ABI_PUBLIC int __android_log_security_bwrite(int32_t tag,
+ const void *payload,
+ size_t len)
+{
+ struct iovec vec[2];
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = (void*)payload;
+ vec[1].iov_len = len;
+
+ return write_to_log(LOG_ID_SECURITY, vec, 2);
+}
+
+/*
+ * Like __android_log_bwrite, but takes the type as well. Doesn't work
+ * for the general case where we're generating lists of stuff, but very
+ * handy if we just want to dump an integer into the log.
+ */
+LIBLOG_ABI_PUBLIC int __android_log_btwrite(int32_t tag, char type,
+ const void *payload, size_t len)
+{
+ struct iovec vec[3];
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = &type;
+ vec[1].iov_len = sizeof(type);
+ vec[2].iov_base = (void*)payload;
+ vec[2].iov_len = len;
+
+ return write_to_log(LOG_ID_EVENTS, vec, 3);
+}
+
+/*
+ * Like __android_log_bwrite, but used for writing strings to the
+ * event log.
+ */
+LIBLOG_ABI_PUBLIC int __android_log_bswrite(int32_t tag, const char *payload)
+{
+ struct iovec vec[4];
+ char type = EVENT_TYPE_STRING;
+ uint32_t len = strlen(payload);
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = &type;
+ vec[1].iov_len = sizeof(type);
+ vec[2].iov_base = &len;
+ vec[2].iov_len = sizeof(len);
+ vec[3].iov_base = (void*)payload;
+ vec[3].iov_len = len;
+
+ return write_to_log(LOG_ID_EVENTS, vec, 4);
+}
+
+/*
+ * Like __android_log_security_bwrite, but used for writing strings to the
+ * security log.
+ */
+LIBLOG_ABI_PUBLIC int __android_log_security_bswrite(int32_t tag,
+ const char *payload)
+{
+ struct iovec vec[4];
+ char type = EVENT_TYPE_STRING;
+ uint32_t len = strlen(payload);
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = &type;
+ vec[1].iov_len = sizeof(type);
+ vec[2].iov_base = &len;
+ vec[2].iov_len = sizeof(len);
+ vec[3].iov_base = (void*)payload;
+ vec[3].iov_len = len;
+
+ return write_to_log(LOG_ID_SECURITY, vec, 4);
+}
diff --git a/liblog/logprint.c b/liblog/logprint.c
index 02df8dd..d7de864 100644
--- a/liblog/logprint.c
+++ b/liblog/logprint.c
@@ -34,7 +34,7 @@
#include <log/logprint.h>
#include <private/android_filesystem_config.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
#define MS_PER_NSEC 1000000
#define US_PER_NSEC 1000
diff --git a/liblog/pmsg_reader.c b/liblog/pmsg_reader.c
new file mode 100644
index 0000000..5695e8a
--- /dev/null
+++ b/liblog/pmsg_reader.c
@@ -0,0 +1,587 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include <private/android_filesystem_config.h>
+#include <private/android_logger.h>
+
+#include "config_read.h"
+#include "logger.h"
+
+static int pmsgAvailable(log_id_t logId);
+static int pmsgVersion(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+static int pmsgRead(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ struct log_msg *log_msg);
+static void pmsgClose(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp);
+static int pmsgClear(struct android_log_logger *logger,
+ struct android_log_transport_context *transp);
+
+LIBLOG_HIDDEN struct android_log_transport_read pmsgLoggerRead = {
+ .node = { &pmsgLoggerRead.node, &pmsgLoggerRead.node },
+ .name = "pmsg",
+ .available = pmsgAvailable,
+ .version = pmsgVersion,
+ .read = pmsgRead,
+ .poll = NULL,
+ .close = pmsgClose,
+ .clear = pmsgClear,
+ .setSize = NULL,
+ .getSize = NULL,
+ .getReadableSize = NULL,
+ .getPrune = NULL,
+ .setPrune = NULL,
+ .getStats = NULL,
+};
+
+static int pmsgAvailable(log_id_t logId)
+{
+ if (logId > LOG_ID_SECURITY) {
+ return -EINVAL;
+ }
+ if (access("/dev/pmsg0", W_OK) == 0) {
+ return 0;
+ }
+ return -EBADF;
+}
+
+/* Determine the credentials of the caller */
+static bool uid_has_log_permission(uid_t uid)
+{
+ return (uid == AID_SYSTEM) || (uid == AID_LOG) || (uid == AID_ROOT);
+}
+
+static uid_t get_best_effective_uid()
+{
+ uid_t euid;
+ uid_t uid;
+ gid_t gid;
+ ssize_t i;
+ static uid_t last_uid = (uid_t) -1;
+
+ if (last_uid != (uid_t) -1) {
+ return last_uid;
+ }
+ uid = __android_log_uid();
+ if (uid_has_log_permission(uid)) {
+ return last_uid = uid;
+ }
+ euid = geteuid();
+ if (uid_has_log_permission(euid)) {
+ return last_uid = euid;
+ }
+ gid = getgid();
+ if (uid_has_log_permission(gid)) {
+ return last_uid = gid;
+ }
+ gid = getegid();
+ if (uid_has_log_permission(gid)) {
+ return last_uid = gid;
+ }
+ i = getgroups((size_t) 0, NULL);
+ if (i > 0) {
+ gid_t list[i];
+
+ getgroups(i, list);
+ while (--i >= 0) {
+ if (uid_has_log_permission(list[i])) {
+ return last_uid = list[i];
+ }
+ }
+ }
+ return last_uid = uid;
+}
+
+static int pmsgClear(struct android_log_logger *logger __unused,
+ struct android_log_transport_context *transp __unused)
+{
+ if (uid_has_log_permission(get_best_effective_uid())) {
+ return unlink("/sys/fs/pstore/pmsg-ramoops-0");
+ }
+ errno = EPERM;
+ return -1;
+}
+
+/*
+ * returns the logger version
+ */
+static int pmsgVersion(struct android_log_logger *logger __unused,
+ struct android_log_transport_context *transp __unused)
+{
+ return 4;
+}
+
+static int pmsgRead(struct android_log_logger_list *logger_list,
+ struct android_log_transport_context *transp,
+ struct log_msg *log_msg)
+{
+ ssize_t ret;
+ off_t current, next;
+ uid_t uid;
+ struct android_log_logger *logger;
+ struct __attribute__((__packed__)) {
+ android_pmsg_log_header_t p;
+ android_log_header_t l;
+ } buf;
+ static uint8_t preread_count;
+ bool is_system;
+
+ memset(log_msg, 0, sizeof(*log_msg));
+
+ if (transp->context.fd <= 0) {
+ int fd = open("/sys/fs/pstore/pmsg-ramoops-0", O_RDONLY);
+
+ if (fd < 0) {
+ return -errno;
+ }
+ if (fd == 0) { /* Argggg */
+ fd = open("/sys/fs/pstore/pmsg-ramoops-0", O_RDONLY);
+ close(0);
+ if (fd < 0) {
+ return -errno;
+ }
+ }
+ transp->context.fd = fd;
+ preread_count = 0;
+ }
+
+ while(1) {
+ if (preread_count < sizeof(buf)) {
+ ret = TEMP_FAILURE_RETRY(read(transp->context.fd,
+ &buf.p.magic + preread_count,
+ sizeof(buf) - preread_count));
+ if (ret < 0) {
+ return -errno;
+ }
+ preread_count += ret;
+ }
+ if (preread_count != sizeof(buf)) {
+ return preread_count ? -EIO : -EAGAIN;
+ }
+ if ((buf.p.magic != LOGGER_MAGIC)
+ || (buf.p.len <= sizeof(buf))
+ || (buf.p.len > (sizeof(buf) + LOGGER_ENTRY_MAX_PAYLOAD))
+ || (buf.l.id >= LOG_ID_MAX)
+ || (buf.l.realtime.tv_nsec >= NS_PER_SEC)) {
+ do {
+ memmove(&buf.p.magic, &buf.p.magic + 1, --preread_count);
+ } while (preread_count && (buf.p.magic != LOGGER_MAGIC));
+ continue;
+ }
+ preread_count = 0;
+
+ if ((transp->logMask & (1 << buf.l.id)) &&
+ ((!logger_list->start.tv_sec && !logger_list->start.tv_nsec) ||
+ ((logger_list->start.tv_sec <= buf.l.realtime.tv_sec) &&
+ ((logger_list->start.tv_sec != buf.l.realtime.tv_sec) ||
+ (logger_list->start.tv_nsec <=
+ buf.l.realtime.tv_nsec)))) &&
+ (!logger_list->pid || (logger_list->pid == buf.p.pid))) {
+ uid = get_best_effective_uid();
+ is_system = uid_has_log_permission(uid);
+ if (is_system || (uid == buf.p.uid)) {
+ ret = TEMP_FAILURE_RETRY(read(transp->context.fd,
+ is_system ?
+ log_msg->entry_v4.msg :
+ log_msg->entry_v3.msg,
+ buf.p.len - sizeof(buf)));
+ if (ret < 0) {
+ return -errno;
+ }
+ if (ret != (ssize_t)(buf.p.len - sizeof(buf))) {
+ return -EIO;
+ }
+
+ log_msg->entry_v4.len = buf.p.len - sizeof(buf);
+ log_msg->entry_v4.hdr_size = is_system ?
+ sizeof(log_msg->entry_v4) :
+ sizeof(log_msg->entry_v3);
+ log_msg->entry_v4.pid = buf.p.pid;
+ log_msg->entry_v4.tid = buf.l.tid;
+ log_msg->entry_v4.sec = buf.l.realtime.tv_sec;
+ log_msg->entry_v4.nsec = buf.l.realtime.tv_nsec;
+ log_msg->entry_v4.lid = buf.l.id;
+ if (is_system) {
+ log_msg->entry_v4.uid = buf.p.uid;
+ }
+
+ return ret;
+ }
+ }
+
+ current = TEMP_FAILURE_RETRY(lseek(transp->context.fd,
+ (off_t)0, SEEK_CUR));
+ if (current < 0) {
+ return -errno;
+ }
+ next = TEMP_FAILURE_RETRY(lseek(transp->context.fd,
+ (off_t)(buf.p.len - sizeof(buf)),
+ SEEK_CUR));
+ if (next < 0) {
+ return -errno;
+ }
+ if ((next - current) != (ssize_t)(buf.p.len - sizeof(buf))) {
+ return -EIO;
+ }
+ }
+}
+
+static void pmsgClose(struct android_log_logger_list *logger_list __unused,
+ struct android_log_transport_context *transp) {
+ if (transp->context.fd > 0) {
+ close (transp->context.fd);
+ }
+ transp->context.fd = 0;
+}
+
+LIBLOG_ABI_PRIVATE ssize_t __android_log_pmsg_file_read(
+ log_id_t logId,
+ char prio,
+ const char *prefix,
+ __android_log_pmsg_file_read_fn fn, void *arg) {
+ ssize_t ret;
+ struct android_log_logger_list logger_list;
+ struct android_log_transport_context transp;
+ struct content {
+ struct listnode node;
+ union {
+ struct logger_entry_v4 entry;
+ struct logger_entry_v4 entry_v4;
+ struct logger_entry_v3 entry_v3;
+ struct logger_entry_v2 entry_v2;
+ struct logger_entry entry_v1;
+ };
+ } *content;
+ struct names {
+ struct listnode node;
+ struct listnode content;
+ log_id_t id;
+ char prio;
+ char name[];
+ } *names;
+ struct listnode name_list;
+ struct listnode *node, *n;
+ size_t len, prefix_len;
+
+ if (!fn) {
+ return -EINVAL;
+ }
+
+ /* Add just enough clues in logger_list and transp to make API function */
+ memset(&logger_list, 0, sizeof(logger_list));
+ memset(&transp, 0, sizeof(transp));
+
+ logger_list.mode = ANDROID_LOG_PSTORE |
+ ANDROID_LOG_NONBLOCK |
+ ANDROID_LOG_RDONLY;
+ transp.logMask = (unsigned)-1;
+ if (logId != LOG_ID_ANY) {
+ transp.logMask = (1 << logId);
+ }
+ transp.logMask &= ~((1 << LOG_ID_KERNEL) |
+ (1 << LOG_ID_EVENTS) |
+ (1 << LOG_ID_SECURITY));
+ if (!transp.logMask) {
+ return -EINVAL;
+ }
+
+ /* Initialize name list */
+ list_init(&name_list);
+
+ ret = SSIZE_MAX;
+
+ /* Validate incoming prefix, shift until it contains only 0 or 1 : or / */
+ prefix_len = 0;
+ if (prefix) {
+ const char *prev = NULL, *last = NULL, *cp = prefix;
+ while ((cp = strpbrk(cp, "/:"))) {
+ prev = last;
+ last = cp;
+ cp = cp + 1;
+ }
+ if (prev) {
+ prefix = prev + 1;
+ }
+ prefix_len = strlen(prefix);
+ }
+
+ /* Read the file content */
+ while (pmsgRead(&logger_list, &transp, &transp.logMsg) > 0) {
+ char *cp;
+ size_t hdr_size = transp.logMsg.entry.hdr_size ?
+ transp.logMsg.entry.hdr_size : sizeof(transp.logMsg.entry_v1);
+ char *msg = (char *)&transp.logMsg + hdr_size;
+ char *split = NULL;
+
+ /* Check for invalid sequence number */
+ if ((transp.logMsg.entry.nsec % ANDROID_LOG_PMSG_FILE_SEQUENCE) ||
+ ((transp.logMsg.entry.nsec / ANDROID_LOG_PMSG_FILE_SEQUENCE) >=
+ ANDROID_LOG_PMSG_FILE_MAX_SEQUENCE)) {
+ continue;
+ }
+
+ /* Determine if it has <dirbase>:<filebase> format for tag */
+ len = transp.logMsg.entry.len - sizeof(prio);
+ for (cp = msg + sizeof(prio);
+ *cp && isprint(*cp) && !isspace(*cp) && --len;
+ ++cp) {
+ if (*cp == ':') {
+ if (split) {
+ break;
+ }
+ split = cp;
+ }
+ }
+ if (*cp || !split) {
+ continue;
+ }
+
+ /* Filters */
+ if (prefix_len && strncmp(msg + sizeof(prio), prefix, prefix_len)) {
+ size_t offset;
+ /*
+ * Allow : to be a synonym for /
+ * Things we do dealing with const char * and do not alloc
+ */
+ split = strchr(prefix, ':');
+ if (split) {
+ continue;
+ }
+ split = strchr(prefix, '/');
+ if (!split) {
+ continue;
+ }
+ offset = split - prefix;
+ if ((msg[offset + sizeof(prio)] != ':') ||
+ strncmp(msg + sizeof(prio), prefix, offset)) {
+ continue;
+ }
+ ++offset;
+ if ((prefix_len > offset) &&
+ strncmp(&msg[offset + sizeof(prio)], split + 1, prefix_len - offset)) {
+ continue;
+ }
+ }
+
+ if ((prio != ANDROID_LOG_ANY) && (*msg < prio)) {
+ continue;
+ }
+
+ /* check if there is an existing entry */
+ list_for_each(node, &name_list) {
+ names = node_to_item(node, struct names, node);
+ if (!strcmp(names->name, msg + sizeof(prio)) &&
+ (names->id == transp.logMsg.entry.lid) &&
+ (names->prio == *msg)) {
+ break;
+ }
+ }
+
+ /* We do not have an existing entry, create and add one */
+ if (node == &name_list) {
+ static const char numbers[] = "0123456789";
+ unsigned long long nl;
+
+ len = strlen(msg + sizeof(prio)) + 1;
+ names = calloc(1, sizeof(*names) + len);
+ if (!names) {
+ ret = -ENOMEM;
+ break;
+ }
+ strcpy(names->name, msg + sizeof(prio));
+ names->id = transp.logMsg.entry.lid;
+ names->prio = *msg;
+ list_init(&names->content);
+ /*
+ * Insert in reverse numeric _then_ alpha sorted order as
+ * representative of log rotation:
+ *
+ * log.10
+ * klog.10
+ * . . .
+ * log.2
+ * klog.2
+ * log.1
+ * klog.1
+ * log
+ * klog
+ *
+ * thus when we present the content, we are provided the oldest
+ * first, which when 'refreshed' could spill off the end of the
+ * pmsg FIFO but retaining the newest data for last with best
+ * chances to survive.
+ */
+ nl = 0;
+ cp = strpbrk(names->name, numbers);
+ if (cp) {
+ nl = strtoull(cp, NULL, 10);
+ }
+ list_for_each_reverse(node, &name_list) {
+ struct names *a_name = node_to_item(node, struct names, node);
+ const char *r = a_name->name;
+ int compare = 0;
+
+ unsigned long long nr = 0;
+ cp = strpbrk(r, numbers);
+ if (cp) {
+ nr = strtoull(cp, NULL, 10);
+ }
+ if (nr != nl) {
+ compare = (nl > nr) ? 1 : -1;
+ }
+ if (compare == 0) {
+ compare = strcmp(names->name, r);
+ }
+ if (compare <= 0) {
+ break;
+ }
+ }
+ list_add_head(node, &names->node);
+ }
+
+ /* Remove any file fragments that match our sequence number */
+ list_for_each_safe(node, n, &names->content) {
+ content = node_to_item(node, struct content, node);
+ if (transp.logMsg.entry.nsec == content->entry.nsec) {
+ list_remove(&content->node);
+ free(content);
+ }
+ }
+
+ /* Add content */
+ content = calloc(1, sizeof(content->node) +
+ hdr_size + transp.logMsg.entry.len);
+ if (!content) {
+ ret = -ENOMEM;
+ break;
+ }
+ memcpy(&content->entry, &transp.logMsg.entry,
+ hdr_size + transp.logMsg.entry.len);
+
+ /* Insert in sequence number sorted order, to ease reconstruction */
+ list_for_each_reverse(node, &names->content) {
+ if ((node_to_item(node, struct content, node))->entry.nsec <
+ transp.logMsg.entry.nsec) {
+ break;
+ }
+ }
+ list_add_head(node, &content->node);
+ }
+ pmsgClose(&logger_list, &transp);
+
+ /* Progress through all the collected files */
+ list_for_each_safe(node, n, &name_list) {
+ struct listnode *content_node, *m;
+ char *buf;
+ size_t sequence, tag_len;
+
+ names = node_to_item(node, struct names, node);
+
+ /* Construct content into a linear buffer */
+ buf = NULL;
+ len = 0;
+ sequence = 0;
+ tag_len = strlen(names->name) + sizeof(char); /* tag + nul */
+ list_for_each_safe(content_node, m, &names->content) {
+ ssize_t add_len;
+
+ content = node_to_item(content_node, struct content, node);
+ add_len = content->entry.len - tag_len - sizeof(prio);
+ if (add_len <= 0) {
+ list_remove(content_node);
+ free(content);
+ continue;
+ }
+
+ if (!buf) {
+ buf = malloc(sizeof(char));
+ if (!buf) {
+ ret = -ENOMEM;
+ list_remove(content_node);
+ free(content);
+ continue;
+ }
+ *buf = '\0';
+ }
+
+ /* Missing sequence numbers */
+ while (sequence < content->entry.nsec) {
+ /* plus space for enforced nul */
+ buf = realloc(buf, len + sizeof(char) + sizeof(char));
+ if (!buf) {
+ break;
+ }
+ buf[len] = '\f'; /* Mark missing content with a form feed */
+ buf[++len] = '\0';
+ sequence += ANDROID_LOG_PMSG_FILE_SEQUENCE;
+ }
+ if (!buf) {
+ ret = -ENOMEM;
+ list_remove(content_node);
+ free(content);
+ continue;
+ }
+ /* plus space for enforced nul */
+ buf = realloc(buf, len + add_len + sizeof(char));
+ if (!buf) {
+ ret = -ENOMEM;
+ list_remove(content_node);
+ free(content);
+ continue;
+ }
+ memcpy(buf + len,
+ (char *)&content->entry + content->entry.hdr_size +
+ tag_len + sizeof(prio),
+ add_len);
+ len += add_len;
+ buf[len] = '\0'; /* enforce trailing hidden nul */
+ sequence = content->entry.nsec + ANDROID_LOG_PMSG_FILE_SEQUENCE;
+
+ list_remove(content_node);
+ free(content);
+ }
+ if (buf) {
+ if (len) {
+ /* Buffer contains enforced trailing nul just beyond length */
+ ssize_t r;
+ *strchr(names->name, ':') = '/'; /* Convert back to filename */
+ r = (*fn)(names->id, names->prio, names->name, buf, len, arg);
+ if ((ret >= 0) && (r > 0)) {
+ if (ret == SSIZE_MAX) {
+ ret = r;
+ } else {
+ ret += r;
+ }
+ } else if (r < ret) {
+ ret = r;
+ }
+ }
+ free(buf);
+ }
+ list_remove(node);
+ free(names);
+ }
+ return (ret == SSIZE_MAX) ? -ENOENT : ret;
+}
diff --git a/liblog/pmsg_writer.c b/liblog/pmsg_writer.c
new file mode 100644
index 0000000..7034ceb
--- /dev/null
+++ b/liblog/pmsg_writer.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright (C) 2007-2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * pmsg write handler
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <time.h>
+
+#include <log/log.h>
+#include <log/logger.h>
+
+#include <private/android_filesystem_config.h>
+#include <private/android_logger.h>
+
+#include "config_write.h"
+#include "log_portability.h"
+#include "logger.h"
+
+static int pmsgOpen();
+static void pmsgClose();
+static int pmsgAvailable(log_id_t logId);
+static int pmsgWrite(log_id_t logId, struct timespec *ts,
+ struct iovec *vec, size_t nr);
+
+LIBLOG_HIDDEN struct android_log_transport_write pmsgLoggerWrite = {
+ .node = { &pmsgLoggerWrite.node, &pmsgLoggerWrite.node },
+ .context.fd = -1,
+ .name = "pmsg",
+ .available = pmsgAvailable,
+ .open = pmsgOpen,
+ .close = pmsgClose,
+ .write = pmsgWrite,
+};
+
+static int pmsgOpen()
+{
+ if (pmsgLoggerWrite.context.fd < 0) {
+ pmsgLoggerWrite.context.fd = TEMP_FAILURE_RETRY(open("/dev/pmsg0", O_WRONLY));
+ }
+
+ return pmsgLoggerWrite.context.fd;
+}
+
+static void pmsgClose()
+{
+ if (pmsgLoggerWrite.context.fd >= 0) {
+ close(pmsgLoggerWrite.context.fd);
+ pmsgLoggerWrite.context.fd = -1;
+ }
+}
+
+static int pmsgAvailable(log_id_t logId)
+{
+ if (logId > LOG_ID_SECURITY) {
+ return -EINVAL;
+ }
+ if (pmsgLoggerWrite.context.fd < 0) {
+ if (access("/dev/pmsg0", W_OK) == 0) {
+ return 0;
+ }
+ return -EBADF;
+ }
+ return 1;
+}
+
+static int pmsgWrite(log_id_t logId, struct timespec *ts,
+ struct iovec *vec, size_t nr)
+{
+ static const unsigned headerLength = 2;
+ struct iovec newVec[nr + headerLength];
+ android_log_header_t header;
+ android_pmsg_log_header_t pmsgHeader;
+ size_t i, payloadSize;
+ ssize_t ret;
+
+ if (pmsgLoggerWrite.context.fd < 0) {
+ return -EBADF;
+ }
+
+ /*
+ * struct {
+ * // what we provide to pstore
+ * android_pmsg_log_header_t pmsgHeader;
+ * // what we provide to file
+ * android_log_header_t header;
+ * // caller provides
+ * union {
+ * struct {
+ * char prio;
+ * char payload[];
+ * } string;
+ * struct {
+ * uint32_t tag
+ * char payload[];
+ * } binary;
+ * };
+ * };
+ */
+
+ pmsgHeader.magic = LOGGER_MAGIC;
+ pmsgHeader.len = sizeof(pmsgHeader) + sizeof(header);
+ pmsgHeader.uid = __android_log_uid();
+ pmsgHeader.pid = __android_log_pid();
+
+ header.id = logId;
+ header.tid = gettid();
+ header.realtime.tv_sec = ts->tv_sec;
+ header.realtime.tv_nsec = ts->tv_nsec;
+
+ newVec[0].iov_base = (unsigned char *)&pmsgHeader;
+ newVec[0].iov_len = sizeof(pmsgHeader);
+ newVec[1].iov_base = (unsigned char *)&header;
+ newVec[1].iov_len = sizeof(header);
+
+ for (payloadSize = 0, i = headerLength; i < nr + headerLength; i++) {
+ newVec[i].iov_base = vec[i - headerLength].iov_base;
+ payloadSize += newVec[i].iov_len = vec[i - headerLength].iov_len;
+
+ if (payloadSize > LOGGER_ENTRY_MAX_PAYLOAD) {
+ newVec[i].iov_len -= payloadSize - LOGGER_ENTRY_MAX_PAYLOAD;
+ if (newVec[i].iov_len) {
+ ++i;
+ }
+ payloadSize = LOGGER_ENTRY_MAX_PAYLOAD;
+ break;
+ }
+ }
+ pmsgHeader.len += payloadSize;
+
+ ret = TEMP_FAILURE_RETRY(writev(pmsgLoggerWrite.context.fd, newVec, i));
+ if (ret < 0) {
+ ret = errno ? -errno : -ENOTCONN;
+ }
+
+ if (ret > (ssize_t)(sizeof(header) + sizeof(pmsgHeader))) {
+ ret -= sizeof(header) - sizeof(pmsgHeader);
+ }
+
+ return ret;
+}
+
+/*
+ * Virtual pmsg filesystem
+ *
+ * Payload will comprise the string "<basedir>:<basefile>\0<content>" to a
+ * maximum of LOGGER_ENTRY_MAX_PAYLOAD, but scaled to the last newline in the
+ * file.
+ *
+ * Will hijack the header.realtime.tv_nsec field for a sequence number in usec.
+ */
+
+static inline const char *strnrchr(const char *buf, size_t len, char c) {
+ const char *cp = buf + len;
+ while ((--cp > buf) && (*cp != c));
+ if (cp <= buf) {
+ return buf + len;
+ }
+ return cp;
+}
+
+/* Write a buffer as filename references (tag = <basedir>:<basename>) */
+LIBLOG_ABI_PRIVATE ssize_t __android_log_pmsg_file_write(
+ log_id_t logId,
+ char prio,
+ const char *filename,
+ const char *buf, size_t len) {
+ int fd;
+ size_t length, packet_len;
+ const char *tag;
+ char *cp, *slash;
+ struct timespec ts;
+ struct iovec vec[3];
+
+ /* Make sure the logId value is not a bad idea */
+ if ((logId == LOG_ID_KERNEL) || /* Verbotten */
+ (logId == LOG_ID_EVENTS) || /* Do not support binary content */
+ (logId == LOG_ID_SECURITY) || /* Bad idea to allow */
+ ((unsigned)logId >= 32)) { /* fit within logMask on arch32 */
+ return -EINVAL;
+ }
+
+ clock_gettime(android_log_clockid(), &ts);
+
+ cp = strdup(filename);
+ if (!cp) {
+ return -ENOMEM;
+ }
+
+ fd = pmsgLoggerWrite.context.fd;
+ if (fd < 0) {
+ __android_log_lock();
+ fd = pmsgOpen();
+ __android_log_unlock();
+ if (fd < 0) {
+ return -EBADF;
+ }
+ }
+
+ tag = cp;
+ slash = strrchr(cp, '/');
+ if (slash) {
+ *slash = ':';
+ slash = strrchr(cp, '/');
+ if (slash) {
+ tag = slash + 1;
+ }
+ }
+
+ length = strlen(tag) + 1;
+ packet_len = LOGGER_ENTRY_MAX_PAYLOAD - sizeof(char) - length;
+
+ vec[0].iov_base = &prio;
+ vec[0].iov_len = sizeof(char);
+ vec[1].iov_base = (unsigned char *)tag;
+ vec[1].iov_len = length;
+
+ for (ts.tv_nsec = 0, length = len;
+ length;
+ ts.tv_nsec += ANDROID_LOG_PMSG_FILE_SEQUENCE) {
+ ssize_t ret;
+ size_t transfer;
+
+ if ((ts.tv_nsec / ANDROID_LOG_PMSG_FILE_SEQUENCE) >=
+ ANDROID_LOG_PMSG_FILE_MAX_SEQUENCE) {
+ len -= length;
+ break;
+ }
+
+ transfer = length;
+ if (transfer > packet_len) {
+ transfer = strnrchr(buf, packet_len - 1, '\n') - buf;
+ if ((transfer < length) && (buf[transfer] == '\n')) {
+ ++transfer;
+ }
+ }
+
+ vec[2].iov_base = (unsigned char *)buf;
+ vec[2].iov_len = transfer;
+
+ ret = pmsgWrite(logId, &ts, vec, sizeof(vec) / sizeof(vec[0]));
+
+ if (ret <= 0) {
+ free(cp);
+ return ret;
+ }
+ length -= transfer;
+ buf += transfer;
+ }
+ free(cp);
+ return len;
+}
diff --git a/liblog/tests/liblog_test.cpp b/liblog/tests/liblog_test.cpp
index 2767f73..941b9b9 100644
--- a/liblog/tests/liblog_test.cpp
+++ b/liblog/tests/liblog_test.cpp
@@ -957,7 +957,10 @@
trouble: the fashion of the world is to avoid\n\
cost, and you encounter it\n\
LEONATO\n\
-Never came trouble to my house in the likeness of your grace";
+Never came trouble to my house in the likeness of your grace,\n\
+for trouble being gone, comfort should remain, but\n\
+when you depart from me, sorrow abides and happiness\n\
+takes his leave.";
TEST(liblog, max_payload) {
pid_t pid = getpid();
@@ -2520,3 +2523,56 @@
EXPECT_LE(0, android_log_destroy(&ctx));
ASSERT_TRUE(NULL == ctx);
}
+
+static const char __pmsg_file[] =
+ "/data/william-shakespeare/MuchAdoAboutNothing.txt";
+
+TEST(liblog, __android_log_pmsg_file_write) {
+ EXPECT_LT(0, __android_log_pmsg_file_write(
+ LOG_ID_CRASH, ANDROID_LOG_VERBOSE,
+ __pmsg_file, max_payload_buf, sizeof(max_payload_buf)));
+ fprintf(stderr, "Reboot, ensure file %s matches\n"
+ "with liblog.__android_log_msg_file_read test\n",
+ __pmsg_file);
+}
+
+ssize_t __pmsg_fn(log_id_t logId, char prio, const char *filename,
+ const char *buf, size_t len, void *arg) {
+ EXPECT_TRUE(NULL == arg);
+ EXPECT_EQ(LOG_ID_CRASH, logId);
+ EXPECT_EQ(ANDROID_LOG_VERBOSE, prio);
+ EXPECT_FALSE(NULL == strstr(__pmsg_file, filename));
+ EXPECT_EQ(len, sizeof(max_payload_buf));
+ EXPECT_EQ(0, strcmp(max_payload_buf, buf));
+
+ ++signaled;
+ if ((len != sizeof(max_payload_buf)) ||
+ strcmp(max_payload_buf, buf)) {
+ fprintf(stderr, "comparison fails on content \"%s\"\n", buf);
+ }
+ return !arg ||
+ (LOG_ID_CRASH != logId) ||
+ (ANDROID_LOG_VERBOSE != prio) ||
+ !strstr(__pmsg_file, filename) ||
+ (len != sizeof(max_payload_buf)) ||
+ !!strcmp(max_payload_buf, buf) ? -ENOEXEC : 1;
+}
+
+TEST(liblog, __android_log_pmsg_file_read) {
+ signaled = 0;
+
+ ssize_t ret = __android_log_pmsg_file_read(
+ LOG_ID_CRASH, ANDROID_LOG_VERBOSE,
+ __pmsg_file, __pmsg_fn, NULL);
+
+ if (ret == -ENOENT) {
+ fprintf(stderr,
+ "No pre-boot results of liblog.__android_log_mesg_file_write to "
+ "compare with,\n"
+ "false positive test result.\n");
+ return;
+ }
+
+ EXPECT_LT(0, ret);
+ EXPECT_EQ(1U, signaled);
+}
diff --git a/liblog/uio.c b/liblog/uio.c
index d0184dc..ac0558f 100644
--- a/liblog/uio.c
+++ b/liblog/uio.c
@@ -20,7 +20,7 @@
#include <log/uio.h>
-#include "log_cdefs.h"
+#include "log_portability.h"
LIBLOG_ABI_PUBLIC int readv(int fd, struct iovec *vecs, int count)
{
diff --git a/libnativeloader/native_loader.cpp b/libnativeloader/native_loader.cpp
index 899c98c..e6b37ed 100644
--- a/libnativeloader/native_loader.cpp
+++ b/libnativeloader/native_loader.cpp
@@ -46,7 +46,8 @@
jobject class_loader,
bool is_shared,
jstring java_library_path,
- jstring java_permitted_path) {
+ jstring java_permitted_path,
+ int32_t target_sdk_version) {
ScopedUtfChars library_path(env, java_library_path);
std::string permitted_path;
@@ -55,7 +56,7 @@
permitted_path = path.c_str();
}
- if (!initialized_ && !InitPublicNamespace(library_path.c_str())) {
+ if (!initialized_ && !InitPublicNamespace(library_path.c_str(), target_sdk_version)) {
return nullptr;
}
@@ -122,12 +123,26 @@
}
private:
- bool InitPublicNamespace(const char* library_path) {
+ bool InitPublicNamespace(const char* library_path, int32_t target_sdk_version) {
+ std::string publicNativeLibraries = public_libraries_;
+
+ // TODO (dimitry): This is a workaround for http://b/26436837
+ // will be removed before the release.
+ if (target_sdk_version <= 23) {
+ // check if libart.so is loaded.
+ void* handle = dlopen("libart.so", RTLD_NOW | RTLD_NOLOAD);
+ if (handle != nullptr) {
+ publicNativeLibraries += ":libart.so";
+ dlclose(handle);
+ }
+ }
+ // END OF WORKAROUND
+
// (http://b/25844435) - Some apps call dlopen from generated code (mono jited
// code is one example) unknown to linker in which case linker uses anonymous
// namespace. The second argument specifies the search path for the anonymous
// namespace which is the library_path of the classloader.
- initialized_ = android_init_namespaces(public_libraries_.c_str(), library_path);
+ initialized_ = android_init_namespaces(publicNativeLibraries.c_str(), library_path);
return initialized_;
}
@@ -172,7 +187,8 @@
class_loader,
is_shared,
library_path,
- permitted_path);
+ permitted_path,
+ target_sdk_version);
if (ns == nullptr) {
return env->NewStringUTF(dlerror());
}
@@ -199,7 +215,7 @@
if (ns == nullptr) {
// This is the case where the classloader was not created by ApplicationLoaders
// In this case we create an isolated not-shared namespace for it.
- ns = g_namespaces->Create(env, class_loader, false, library_path, nullptr);
+ ns = g_namespaces->Create(env, class_loader, false, library_path, nullptr, target_sdk_version);
if (ns == nullptr) {
return nullptr;
}
diff --git a/libnetutils/Android.mk b/libnetutils/Android.mk
index 281b6c8..ce7c3ba 100644
--- a/libnetutils/Android.mk
+++ b/libnetutils/Android.mk
@@ -4,7 +4,6 @@
LOCAL_SRC_FILES := \
dhcpclient.c \
dhcpmsg.c \
- dhcp_utils.c \
ifc_utils.c \
packet.c
diff --git a/libnetutils/dhcp_utils.c b/libnetutils/dhcp_utils.c
deleted file mode 100644
index c6b9fe4..0000000
--- a/libnetutils/dhcp_utils.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Copyright 2008, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* Utilities for managing the dhcpcd DHCP client daemon */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <arpa/inet.h>
-#include <netinet/in.h>
-
-#include <cutils/properties.h>
-
-static const char DAEMON_NAME[] = "dhcpcd";
-static const char DAEMON_PROP_NAME[] = "init.svc.dhcpcd";
-static const char HOSTNAME_PROP_NAME[] = "net.hostname";
-static const char DHCP_PROP_NAME_PREFIX[] = "dhcp";
-static const char DHCP_CONFIG_PATH[] = "/system/etc/dhcpcd/dhcpcd.conf";
-static const int NAP_TIME = 200; /* wait for 200ms at a time */
- /* when polling for property values */
-static const char DAEMON_NAME_RENEW[] = "iprenew";
-static char errmsg[100] = "\0";
-/* interface length for dhcpcd daemon start (dhcpcd_<interface> as defined in init.rc file)
- * or for filling up system properties dhcpcd.<interface>.ipaddress, dhcpcd.<interface>.dns1
- * and other properties on a successful bind
- */
-#define MAX_INTERFACE_LENGTH 25
-
-/*
- * P2p interface names increase sequentially p2p-p2p0-1, p2p-p2p0-2.. after
- * group formation. This does not work well with system properties which can quickly
- * exhaust or for specifiying a dhcp start target in init which requires
- * interface to be pre-defined in init.rc file.
- *
- * This function returns a common string p2p for all p2p interfaces.
- */
-void get_p2p_interface_replacement(const char *interface, char *p2p_interface) {
- /* Use p2p for any interface starting with p2p. */
- if (strncmp(interface, "p2p",3) == 0) {
- strncpy(p2p_interface, "p2p", MAX_INTERFACE_LENGTH);
- } else {
- strncpy(p2p_interface, interface, MAX_INTERFACE_LENGTH);
- }
-}
-
-/*
- * Wait for a system property to be assigned a specified value.
- * If desired_value is NULL, then just wait for the property to
- * be created with any value. maxwait is the maximum amount of
- * time in seconds to wait before giving up.
- */
-static int wait_for_property(const char *name, const char *desired_value, int maxwait)
-{
- char value[PROPERTY_VALUE_MAX] = {'\0'};
- int maxnaps = (maxwait * 1000) / NAP_TIME;
-
- if (maxnaps < 1) {
- maxnaps = 1;
- }
-
- while (maxnaps-- >= 0) {
- if (property_get(name, value, NULL)) {
- if (desired_value == NULL ||
- strcmp(value, desired_value) == 0) {
- return 0;
- }
- }
- if (maxnaps >= 0) {
- usleep(NAP_TIME * 1000);
- }
- }
- return -1; /* failure */
-}
-
-static int fill_ip_info(const char *interface,
- char *ipaddr,
- char *gateway,
- uint32_t *prefixLength,
- char *dns[],
- char *server,
- uint32_t *lease,
- char *vendorInfo,
- char *domain,
- char *mtu)
-{
- char prop_name[PROPERTY_KEY_MAX];
- char prop_value[PROPERTY_VALUE_MAX];
- /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
- char p2p_interface[MAX_INTERFACE_LENGTH];
- int x;
-
- get_p2p_interface_replacement(interface, p2p_interface);
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.ipaddress", DHCP_PROP_NAME_PREFIX, p2p_interface);
- property_get(prop_name, ipaddr, NULL);
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.gateway", DHCP_PROP_NAME_PREFIX, p2p_interface);
- property_get(prop_name, gateway, NULL);
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.server", DHCP_PROP_NAME_PREFIX, p2p_interface);
- property_get(prop_name, server, NULL);
-
- //TODO: Handle IPv6 when we change system property usage
- if (gateway[0] == '\0' || strncmp(gateway, "0.0.0.0", 7) == 0) {
- //DHCP server is our best bet as gateway
- strncpy(gateway, server, PROPERTY_VALUE_MAX);
- }
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.mask", DHCP_PROP_NAME_PREFIX, p2p_interface);
- if (property_get(prop_name, prop_value, NULL)) {
- int p;
- // this conversion is v4 only, but this dhcp client is v4 only anyway
- in_addr_t mask = ntohl(inet_addr(prop_value));
- // Check netmask is a valid IP address. ntohl gives NONE response (all 1's) for
- // non 255.255.255.255 inputs. if we get that value check if it is legit..
- if (mask == INADDR_NONE && strcmp(prop_value, "255.255.255.255") != 0) {
- snprintf(errmsg, sizeof(errmsg), "DHCP gave invalid net mask %s", prop_value);
- return -1;
- }
- for (p = 0; p < 32; p++) {
- if (mask == 0) break;
- // check for non-contiguous netmask, e.g., 255.254.255.0
- if ((mask & 0x80000000) == 0) {
- snprintf(errmsg, sizeof(errmsg), "DHCP gave invalid net mask %s", prop_value);
- return -1;
- }
- mask = mask << 1;
- }
- *prefixLength = p;
- }
-
- for (x=0; dns[x] != NULL; x++) {
- snprintf(prop_name, sizeof(prop_name), "%s.%s.dns%d", DHCP_PROP_NAME_PREFIX, p2p_interface, x+1);
- property_get(prop_name, dns[x], NULL);
- }
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.leasetime", DHCP_PROP_NAME_PREFIX, p2p_interface);
- if (property_get(prop_name, prop_value, NULL)) {
- *lease = atol(prop_value);
- }
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.vendorInfo", DHCP_PROP_NAME_PREFIX,
- p2p_interface);
- property_get(prop_name, vendorInfo, NULL);
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.domain", DHCP_PROP_NAME_PREFIX,
- p2p_interface);
- property_get(prop_name, domain, NULL);
-
- snprintf(prop_name, sizeof(prop_name), "%s.%s.mtu", DHCP_PROP_NAME_PREFIX,
- p2p_interface);
- property_get(prop_name, mtu, NULL);
-
- return 0;
-}
-
-/*
- * Get any available DHCP results.
- */
-int dhcp_get_results(const char *interface,
- char *ipaddr,
- char *gateway,
- uint32_t *prefixLength,
- char *dns[],
- char *server,
- uint32_t *lease,
- char *vendorInfo,
- char *domain,
- char *mtu)
-{
- char result_prop_name[PROPERTY_KEY_MAX];
- char prop_value[PROPERTY_VALUE_MAX];
-
- /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
- char p2p_interface[MAX_INTERFACE_LENGTH];
- get_p2p_interface_replacement(interface, p2p_interface);
- snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
- DHCP_PROP_NAME_PREFIX,
- p2p_interface);
-
- memset(prop_value, '\0', PROPERTY_VALUE_MAX);
- if (!property_get(result_prop_name, prop_value, NULL)) {
- snprintf(errmsg, sizeof(errmsg), "%s", "DHCP result property was not set");
- return -1;
- }
- if (strcmp(prop_value, "ok") == 0) {
- if (fill_ip_info(interface, ipaddr, gateway, prefixLength, dns,
- server, lease, vendorInfo, domain, mtu) == -1) {
- return -1;
- }
- return 0;
- } else {
- snprintf(errmsg, sizeof(errmsg), "DHCP result was %s", prop_value);
- return -1;
- }
-}
-
-/*
- * Start the dhcp client daemon, and wait for it to finish
- * configuring the interface.
- *
- * The device init.rc file needs a corresponding entry for this work.
- *
- * Example:
- * service dhcpcd_<interface> /system/bin/dhcpcd -ABKL -f dhcpcd.conf
- */
-int dhcp_start(const char *interface)
-{
- char result_prop_name[PROPERTY_KEY_MAX];
- char daemon_prop_name[PROPERTY_KEY_MAX];
- char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
- char daemon_cmd[PROPERTY_VALUE_MAX * 2 + sizeof(DHCP_CONFIG_PATH)];
- const char *ctrl_prop = "ctl.start";
- const char *desired_status = "running";
- /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
- char p2p_interface[MAX_INTERFACE_LENGTH];
-
- get_p2p_interface_replacement(interface, p2p_interface);
-
- snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
- DHCP_PROP_NAME_PREFIX,
- p2p_interface);
-
- snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
- DAEMON_PROP_NAME,
- p2p_interface);
-
- /* Erase any previous setting of the dhcp result property */
- property_set(result_prop_name, "");
-
- /* Start the daemon and wait until it's ready */
- if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0'))
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s -h %s %s", DAEMON_NAME,
- p2p_interface, DHCP_CONFIG_PATH, prop_value, interface);
- else
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s %s", DAEMON_NAME,
- p2p_interface, DHCP_CONFIG_PATH, interface);
- memset(prop_value, '\0', PROPERTY_VALUE_MAX);
- property_set(ctrl_prop, daemon_cmd);
- if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
- snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd to start");
- return -1;
- }
-
- /* Wait for the daemon to return a result */
- if (wait_for_property(result_prop_name, NULL, 30) < 0) {
- snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP to finish");
- return -1;
- }
-
- return 0;
-}
-
-/**
- * Stop the DHCP client daemon.
- */
-int dhcp_stop(const char *interface)
-{
- char result_prop_name[PROPERTY_KEY_MAX];
- char daemon_prop_name[PROPERTY_KEY_MAX];
- char daemon_cmd[PROPERTY_VALUE_MAX * 2];
- const char *ctrl_prop = "ctl.stop";
- const char *desired_status = "stopped";
-
- char p2p_interface[MAX_INTERFACE_LENGTH];
-
- get_p2p_interface_replacement(interface, p2p_interface);
-
- snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
- DHCP_PROP_NAME_PREFIX,
- p2p_interface);
-
- snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
- DAEMON_PROP_NAME,
- p2p_interface);
-
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);
-
- /* Stop the daemon and wait until it's reported to be stopped */
- property_set(ctrl_prop, daemon_cmd);
- if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) {
- return -1;
- }
- property_set(result_prop_name, "failed");
- return 0;
-}
-
-/**
- * Release the current DHCP client lease.
- */
-int dhcp_release_lease(const char *interface)
-{
- char daemon_prop_name[PROPERTY_KEY_MAX];
- char daemon_cmd[PROPERTY_VALUE_MAX * 2];
- const char *ctrl_prop = "ctl.stop";
- const char *desired_status = "stopped";
-
- char p2p_interface[MAX_INTERFACE_LENGTH];
-
- get_p2p_interface_replacement(interface, p2p_interface);
-
- snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
- DAEMON_PROP_NAME,
- p2p_interface);
-
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);
-
- /* Stop the daemon and wait until it's reported to be stopped */
- property_set(ctrl_prop, daemon_cmd);
- if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) {
- return -1;
- }
- return 0;
-}
-
-char *dhcp_get_errmsg() {
- return errmsg;
-}
-
-/**
- * The device init.rc file needs a corresponding entry.
- *
- * Example:
- * service iprenew_<interface> /system/bin/dhcpcd -n
- *
- */
-int dhcp_start_renew(const char *interface)
-{
- char result_prop_name[PROPERTY_KEY_MAX];
- char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
- char daemon_cmd[PROPERTY_VALUE_MAX * 2];
- const char *ctrl_prop = "ctl.start";
-
- char p2p_interface[MAX_INTERFACE_LENGTH];
-
- get_p2p_interface_replacement(interface, p2p_interface);
-
- snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
- DHCP_PROP_NAME_PREFIX,
- p2p_interface);
-
- /* Erase any previous setting of the dhcp result property */
- property_set(result_prop_name, "");
-
- /* Start the renew daemon and wait until it's ready */
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW,
- p2p_interface, interface);
- memset(prop_value, '\0', PROPERTY_VALUE_MAX);
- property_set(ctrl_prop, daemon_cmd);
-
- /* Wait for the daemon to return a result */
- if (wait_for_property(result_prop_name, NULL, 30) < 0) {
- snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP Renew to finish");
- return -1;
- }
-
- return 0;
-}
diff --git a/libnetutils/dhcptool.c b/libnetutils/dhcptool.c
index 352ac5e..a2d3869 100644
--- a/libnetutils/dhcptool.c
+++ b/libnetutils/dhcptool.c
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include <err.h>
#include <errno.h>
#include <error.h>
#include <stdbool.h>
@@ -29,12 +30,14 @@
char* interface = argv[1];
if (ifc_init()) {
- error(EXIT_FAILURE, errno, "dhcptool %s: ifc_init failed", interface);
+ err(errno, "dhcptool %s: ifc_init failed", interface);
+ ifc_close();
+ return EXIT_FAILURE;
}
int rc = do_dhcp(interface);
if (rc) {
- error(0, errno, "dhcptool %s: do_dhcp failed", interface);
+ err(errno, "dhcptool %s: do_dhcp failed", interface);
}
ifc_close();
diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c
index e0a9f7f..85ff070 100644
--- a/libnetutils/ifc_utils.c
+++ b/libnetutils/ifc_utils.c
@@ -19,6 +19,7 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
+#include <pthread.h>
#include <sys/socket.h>
#include <sys/select.h>
@@ -57,6 +58,8 @@
static int ifc_ctl_sock = -1;
static int ifc_ctl_sock6 = -1;
+static pthread_mutex_t ifc_sock_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+static pthread_mutex_t ifc_sock6_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
void printerr(char *fmt, ...);
#define DBG 0
@@ -122,6 +125,8 @@
int ifc_init(void)
{
int ret;
+
+ pthread_mutex_lock(&ifc_sock_mutex);
if (ifc_ctl_sock == -1) {
ifc_ctl_sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if (ifc_ctl_sock < 0) {
@@ -136,6 +141,7 @@
int ifc_init6(void)
{
+ pthread_mutex_lock(&ifc_sock6_mutex);
if (ifc_ctl_sock6 == -1) {
ifc_ctl_sock6 = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if (ifc_ctl_sock6 < 0) {
@@ -152,6 +158,7 @@
(void)close(ifc_ctl_sock);
ifc_ctl_sock = -1;
}
+ pthread_mutex_unlock(&ifc_sock_mutex);
}
void ifc_close6(void)
@@ -160,6 +167,7 @@
(void)close(ifc_ctl_sock6);
ifc_ctl_sock6 = -1;
}
+ pthread_mutex_unlock(&ifc_sock6_mutex);
}
static void ifc_init_ifr(const char *name, struct ifreq *ifr)
@@ -541,6 +549,7 @@
ifc_init();
if (ifc_ctl_sock < 0) {
+ ifc_close();
return -errno;
}
diff --git a/libprocessgroup/Android.mk b/libprocessgroup/Android.mk
index ee6ba58..1885fa5 100644
--- a/libprocessgroup/Android.mk
+++ b/libprocessgroup/Android.mk
@@ -7,14 +7,4 @@
LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
LOCAL_CFLAGS := -Wall -Werror
-LOCAL_REQUIRED_MODULE := processgroup_cleanup
include $(BUILD_SHARED_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := cleanup.cpp
-LOCAL_MODULE := processgroup_cleanup
-LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
-LOCAL_CFLAGS := -Wall -Werror
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_STATIC_LIBRARIES := libc libcutils
-include $(BUILD_EXECUTABLE)
diff --git a/libprocessgroup/cleanup.cpp b/libprocessgroup/cleanup.cpp
deleted file mode 100644
index cca8dc4..0000000
--- a/libprocessgroup/cleanup.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright 2014 Google, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <string.h>
-#include <unistd.h>
-#include <sys/syslimits.h>
-
-#include "processgroup_priv.h"
-
-int main(int argc, char **argv)
-{
- char buf[PATH_MAX];
- if (argc != 2)
- return -1;
-
- memcpy(buf, PROCESSGROUP_CGROUP_PATH, sizeof(PROCESSGROUP_CGROUP_PATH));
- strlcat(buf, argv[1], sizeof(buf));
- return rmdir(buf);
-}
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 00a0357..cfc9ae2 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -22,6 +22,7 @@
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
+#include <mutex>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
@@ -36,7 +37,30 @@
#include <utils/SystemClock.h>
#include <processgroup/processgroup.h>
-#include "processgroup_priv.h"
+
+// Uncomment line below use memory cgroups for keeping track of (forked) PIDs
+// #define USE_MEMCG 1
+
+#define MEM_CGROUP_PATH "/dev/memcg/apps"
+#define MEM_CGROUP_TASKS "/dev/memcg/apps/tasks"
+#define ACCT_CGROUP_PATH "/acct"
+
+#define PROCESSGROUP_UID_PREFIX "uid_"
+#define PROCESSGROUP_PID_PREFIX "pid_"
+#define PROCESSGROUP_CGROUP_PROCS_FILE "/cgroup.procs"
+#define PROCESSGROUP_MAX_UID_LEN 11
+#define PROCESSGROUP_MAX_PID_LEN 11
+#define PROCESSGROUP_MAX_PATH_LEN \
+ ((sizeof(MEM_CGROUP_PATH) > sizeof(ACCT_CGROUP_PATH) ? \
+ sizeof(MEM_CGROUP_PATH) : sizeof(ACCT_CGROUP_PATH)) + \
+ sizeof(PROCESSGROUP_UID_PREFIX) + 1 + \
+ PROCESSGROUP_MAX_UID_LEN + \
+ sizeof(PROCESSGROUP_PID_PREFIX) + 1 + \
+ PROCESSGROUP_MAX_PID_LEN + \
+ sizeof(PROCESSGROUP_CGROUP_PROCS_FILE) + \
+ 1)
+
+std::once_flag init_path_flag;
struct ctx {
bool initialized;
@@ -46,10 +70,25 @@
size_t buf_len;
};
+static const char* getCgroupRootPath() {
+#ifdef USE_MEMCG
+ static const char* cgroup_root_path = NULL;
+ std::call_once(init_path_flag, [&]() {
+ // Check if mem cgroup is mounted, only then check for write-access to avoid
+ // SELinux denials
+ cgroup_root_path = access(MEM_CGROUP_TASKS, F_OK) || access(MEM_CGROUP_PATH, W_OK) ?
+ ACCT_CGROUP_PATH : MEM_CGROUP_PATH;
+ });
+ return cgroup_root_path;
+#else
+ return ACCT_CGROUP_PATH;
+#endif
+}
+
static int convertUidToPath(char *path, size_t size, uid_t uid)
{
return snprintf(path, size, "%s/%s%d",
- PROCESSGROUP_CGROUP_PATH,
+ getCgroupRootPath(),
PROCESSGROUP_UID_PREFIX,
uid);
}
@@ -57,7 +96,7 @@
static int convertUidPidToPath(char *path, size_t size, uid_t uid, int pid)
{
return snprintf(path, size, "%s/%s%d/%s%d",
- PROCESSGROUP_CGROUP_PATH,
+ getCgroupRootPath(),
PROCESSGROUP_UID_PREFIX,
uid,
PROCESSGROUP_PID_PREFIX,
@@ -188,9 +227,10 @@
void removeAllProcessGroups()
{
SLOGV("removeAllProcessGroups()");
- std::unique_ptr<DIR, decltype(&closedir)> root(opendir(PROCESSGROUP_CGROUP_PATH), closedir);
+ const char *cgroup_root_path = getCgroupRootPath();
+ std::unique_ptr<DIR, decltype(&closedir)> root(opendir(cgroup_root_path), closedir);
if (root == NULL) {
- SLOGE("failed to open %s: %s", PROCESSGROUP_CGROUP_PATH, strerror(errno));
+ SLOGE("failed to open %s: %s", cgroup_root_path, strerror(errno));
} else {
struct dirent cur;
struct dirent *dir;
@@ -204,7 +244,7 @@
continue;
}
- snprintf(path, sizeof(path), "%s/%s", PROCESSGROUP_CGROUP_PATH, dir->d_name);
+ snprintf(path, sizeof(path), "%s/%s", cgroup_root_path, dir->d_name);
removeUidProcessGroups(path);
SLOGV("removing %s\n", path);
rmdir(path);
diff --git a/libprocessgroup/processgroup_priv.h b/libprocessgroup/processgroup_priv.h
deleted file mode 100644
index 1895bf9..0000000
--- a/libprocessgroup/processgroup_priv.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright 2014 Google, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _PROCESSGROUP_PRIV_H_
-#define _PROCESSGROUP_PRIV_H_
-
-#define PROCESSGROUP_CGROUP_PATH "/acct"
-#define PROCESSGROUP_UID_PREFIX "uid_"
-#define PROCESSGROUP_PID_PREFIX "pid_"
-#define PROCESSGROUP_CGROUP_PROCS_FILE "/cgroup.procs"
-#define PROCESSGROUP_MAX_UID_LEN 11
-#define PROCESSGROUP_MAX_PID_LEN 11
-#define PROCESSGROUP_MAX_PATH_LEN \
- (sizeof(PROCESSGROUP_CGROUP_PATH) + \
- sizeof(PROCESSGROUP_UID_PREFIX) + 1 + \
- PROCESSGROUP_MAX_UID_LEN + \
- sizeof(PROCESSGROUP_PID_PREFIX) + 1 + \
- PROCESSGROUP_MAX_PID_LEN + \
- sizeof(PROCESSGROUP_CGROUP_PROCS_FILE) + \
- 1)
-
-#endif
diff --git a/libsysutils/src/NetlinkEvent.cpp b/libsysutils/src/NetlinkEvent.cpp
index 23dcd62..739fad7 100644
--- a/libsysutils/src/NetlinkEvent.cpp
+++ b/libsysutils/src/NetlinkEvent.cpp
@@ -159,7 +159,7 @@
struct ifaddrmsg *ifaddr = (struct ifaddrmsg *) NLMSG_DATA(nh);
struct ifa_cacheinfo *cacheinfo = NULL;
char addrstr[INET6_ADDRSTRLEN] = "";
- char ifname[IFNAMSIZ];
+ char ifname[IFNAMSIZ] = "";
if (!checkRtNetlinkLength(nh, sizeof(*ifaddr)))
return false;
@@ -207,8 +207,7 @@
// Find the interface name.
if (!if_indextoname(ifaddr->ifa_index, ifname)) {
- SLOGE("Unknown ifindex %d in %s", ifaddr->ifa_index, msgtype);
- return false;
+ SLOGD("Unknown ifindex %d in %s", ifaddr->ifa_index, msgtype);
}
} else if (rta->rta_type == IFA_CACHEINFO) {
@@ -235,8 +234,7 @@
mAction = (type == RTM_NEWADDR) ? Action::kAddressUpdated :
Action::kAddressRemoved;
mSubsystem = strdup("net");
- asprintf(&mParams[0], "ADDRESS=%s/%d", addrstr,
- ifaddr->ifa_prefixlen);
+ asprintf(&mParams[0], "ADDRESS=%s/%d", addrstr, ifaddr->ifa_prefixlen);
asprintf(&mParams[1], "INTERFACE=%s", ifname);
asprintf(&mParams[2], "FLAGS=%u", ifaddr->ifa_flags);
asprintf(&mParams[3], "SCOPE=%u", ifaddr->ifa_scope);
diff --git a/libusbhost/usbhost.c b/libusbhost/usbhost.c
index b8e3215..299fdc4 100644
--- a/libusbhost/usbhost.c
+++ b/libusbhost/usbhost.c
@@ -617,6 +617,11 @@
return ioctl(device->fd, USBDEVFS_BULK, &ctrl);
}
+int usb_device_reset(struct usb_device *device)
+{
+ return ioctl(device->fd, USBDEVFS_RESET);
+}
+
struct usb_request *usb_request_new(struct usb_device *dev,
const struct usb_endpoint_descriptor *ep_desc)
{
diff --git a/libutils/Android.mk b/libutils/Android.mk
index 6f88a6d..84bac32 100644
--- a/libutils/Android.mk
+++ b/libutils/Android.mk
@@ -106,19 +106,16 @@
LOCAL_SANITIZE := integer
include $(BUILD_SHARED_LIBRARY)
-# Include subdirectory makefiles
-# ============================================================
-
include $(CLEAR_VARS)
LOCAL_MODULE := SharedBufferTest
-LOCAL_STATIC_LIBRARIES := libutils libcutils
+LOCAL_STATIC_LIBRARIES := libutils
LOCAL_SHARED_LIBRARIES := liblog
LOCAL_SRC_FILES := SharedBufferTest.cpp
include $(BUILD_NATIVE_TEST)
include $(CLEAR_VARS)
LOCAL_MODULE := SharedBufferTest
-LOCAL_STATIC_LIBRARIES := libutils libcutils
+LOCAL_STATIC_LIBRARIES := libutils
LOCAL_SHARED_LIBRARIES := liblog
LOCAL_SRC_FILES := SharedBufferTest.cpp
include $(BUILD_HOST_NATIVE_TEST)
diff --git a/libutils/SharedBuffer.cpp b/libutils/SharedBuffer.cpp
index c7dd1ab..34d75ee 100644
--- a/libutils/SharedBuffer.cpp
+++ b/libutils/SharedBuffer.cpp
@@ -14,8 +14,6 @@
* limitations under the License.
*/
-#define __STDC_LIMIT_MACROS
-#include <stdint.h>
#include <stdlib.h>
#include <string.h>
diff --git a/libutils/SharedBufferTest.cpp b/libutils/SharedBufferTest.cpp
index a0484ff..33a4e0c 100644
--- a/libutils/SharedBufferTest.cpp
+++ b/libutils/SharedBufferTest.cpp
@@ -31,10 +31,10 @@
// Check that null is returned, as we are asking for the whole address space.
android::SharedBuffer* buf =
android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
- ASSERT_TRUE(NULL == buf);
+ ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(0);
- ASSERT_FALSE(NULL == buf);
+ ASSERT_NE(nullptr, buf);
ASSERT_EQ(0U, buf->size());
buf->release();
}
@@ -49,7 +49,7 @@
// Make sure we don't die here.
// Check that null is returned, as we are asking for the whole address space.
buf = buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
- ASSERT_TRUE(NULL == buf);
+ ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(10);
buf = buf->editResize(0);
diff --git a/libutils/Threads.cpp b/libutils/Threads.cpp
index 6dda6b5..def739f 100644
--- a/libutils/Threads.cpp
+++ b/libutils/Threads.cpp
@@ -668,6 +668,8 @@
status_t Thread::run(const char* name, int32_t priority, size_t stack)
{
+ LOG_ALWAYS_FATAL_IF(name == nullptr, "thread name not provided to Thread::run");
+
Mutex::Autolock _l(mLock);
if (mRunning) {
diff --git a/libutils/tests/Looper_test.cpp b/libutils/tests/Looper_test.cpp
index 00077e6..17319e0 100644
--- a/libutils/tests/Looper_test.cpp
+++ b/libutils/tests/Looper_test.cpp
@@ -138,7 +138,7 @@
TEST_F(LooperTest, PollOnce_WhenNonZeroTimeoutAndAwokenWhileWaiting_PromptlyReturns) {
sp<DelayedWake> delayedWake = new DelayedWake(100, mLooper);
- delayedWake->run();
+ delayedWake->run("LooperTest");
StopWatch stopWatch("pollOnce");
int result = mLooper->pollOnce(1000);
@@ -251,7 +251,7 @@
sp<DelayedWriteSignal> delayedWriteSignal = new DelayedWriteSignal(100, & pipe);
handler.setCallback(mLooper, pipe.receiveFd, Looper::EVENT_INPUT);
- delayedWriteSignal->run();
+ delayedWriteSignal->run("LooperTest");
StopWatch stopWatch("pollOnce");
int result = mLooper->pollOnce(1000);
diff --git a/libutils/tests/String8_test.cpp b/libutils/tests/String8_test.cpp
index c42c68d..01e64f6 100644
--- a/libutils/tests/String8_test.cpp
+++ b/libutils/tests/String8_test.cpp
@@ -72,4 +72,9 @@
EXPECT_STREQ(src3, " Verify me.");
}
+TEST_F(String8Test, SetToSizeMaxReturnsNoMemory) {
+ const char *in = "some string";
+ EXPECT_EQ(NO_MEMORY, String8("").setTo(in, SIZE_MAX));
+}
+
}
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index a2d6fcc..1f27500 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -495,14 +495,20 @@
}
// Attempts to read |len| bytes into |buf| at offset |off|.
-// Callers should not rely on the |fd| offset being incremented
-// as a side effect of this call.
+// On non-Windows platforms, callers are guaranteed that the |fd|
+// offset is unchanged and there is no side effect to this call.
+//
+// On Windows platforms this is not thread-safe.
static inline bool ReadAtOffset(int fd, uint8_t* buf, size_t len, off64_t off) {
+#if !defined(_WIN32)
+ return TEMP_FAILURE_RETRY(pread64(fd, buf, len, off));
+#else
if (lseek64(fd, off, SEEK_SET) != off) {
ALOGW("Zip: failed seek to offset %" PRId64, off);
return false;
}
return android::base::ReadFully(fd, buf, len);
+#endif
}
static int32_t FindEntry(const ZipArchive* archive, const int ent,
diff --git a/lmkd/lmkd.c b/lmkd/lmkd.c
index aa3db8a..afc81ed 100644
--- a/lmkd/lmkd.c
+++ b/lmkd/lmkd.c
@@ -39,7 +39,7 @@
#endif
#define MEMCG_SYSFS_PATH "/dev/memcg/"
-#define MEMPRESSURE_WATCH_LEVEL "medium"
+#define MEMPRESSURE_WATCH_LEVEL "low"
#define ZONEINFO_PATH "/proc/zoneinfo"
#define LINE_MAX 128
@@ -77,12 +77,7 @@
static int epollfd;
static int maxevents;
-#define OOM_DISABLE (-17)
-/* inclusive */
-#define OOM_ADJUST_MIN (-16)
-#define OOM_ADJUST_MAX 15
-
-/* kernel OOM score values */
+/* OOM score values used by both kernel and framework */
#define OOM_SCORE_ADJ_MIN (-1000)
#define OOM_SCORE_ADJ_MAX 1000
@@ -114,8 +109,8 @@
static struct proc *pidhash[PIDHASH_SZ];
#define pid_hashfn(x) ((((x) >> 8) ^ (x)) & (PIDHASH_SZ - 1))
-#define ADJTOSLOT(adj) (adj + -OOM_ADJUST_MIN)
-static struct adjslot_list procadjslot_list[ADJTOSLOT(OOM_ADJUST_MAX) + 1];
+#define ADJTOSLOT(adj) (adj + -OOM_SCORE_ADJ_MIN)
+static struct adjslot_list procadjslot_list[ADJTOSLOT(OOM_SCORE_ADJ_MAX) + 1];
/*
* Wait 1-2 seconds for the death report of a killed process prior to
@@ -148,14 +143,6 @@
return ret;
}
-static int lowmem_oom_adj_to_oom_score_adj(int oom_adj)
-{
- if (oom_adj == OOM_ADJUST_MAX)
- return OOM_SCORE_ADJ_MAX;
- else
- return (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
-}
-
static struct proc *pid_lookup(int pid) {
struct proc *procp;
@@ -254,13 +241,13 @@
char path[80];
char val[20];
- if (oomadj < OOM_DISABLE || oomadj > OOM_ADJUST_MAX) {
+ if (oomadj < OOM_SCORE_ADJ_MIN || oomadj > OOM_SCORE_ADJ_MAX) {
ALOGE("Invalid PROCPRIO oomadj argument %d", oomadj);
return;
}
snprintf(path, sizeof(path), "/proc/%d/oom_score_adj", pid);
- snprintf(val, sizeof(val), "%d", lowmem_oom_adj_to_oom_score_adj(oomadj));
+ snprintf(val, sizeof(val), "%d", oomadj);
writefilestring(path, val);
if (use_inkernel_interface)
@@ -608,7 +595,7 @@
static int find_and_kill_process(int other_free, int other_file, bool first)
{
int i;
- int min_score_adj = OOM_ADJUST_MAX + 1;
+ int min_score_adj = OOM_SCORE_ADJ_MAX + 1;
int minfree = 0;
int killed_size = 0;
@@ -620,10 +607,10 @@
}
}
- if (min_score_adj == OOM_ADJUST_MAX + 1)
+ if (min_score_adj == OOM_SCORE_ADJ_MAX + 1)
return 0;
- for (i = OOM_ADJUST_MAX; i >= min_score_adj; i--) {
+ for (i = OOM_SCORE_ADJ_MAX; i >= min_score_adj; i--) {
struct proc *procp;
retry:
@@ -784,7 +771,7 @@
ALOGE("Kernel does not support memory pressure events or in-kernel low memory killer");
}
- for (i = 0; i <= ADJTOSLOT(OOM_ADJUST_MAX); i++) {
+ for (i = 0; i <= ADJTOSLOT(OOM_SCORE_ADJ_MAX); i++) {
procadjslot_list[i].next = &procadjslot_list[i];
procadjslot_list[i].prev = &procadjslot_list[i];
}
diff --git a/rootdir/etc/public.libraries.android.txt b/rootdir/etc/public.libraries.android.txt
index 8db2ba8..e6c94ff 100644
--- a/rootdir/etc/public.libraries.android.txt
+++ b/rootdir/etc/public.libraries.android.txt
@@ -1,5 +1,6 @@
libandroid.so
libc.so
+libcamera2ndk.so
libdl.so
libEGL.so
libGLESv1_CM.so
@@ -15,5 +16,6 @@
libOpenSLES.so
libRS.so
libstdc++.so
+libvulkan.so
libwebviewchromium_plat_support.so
libz.so
diff --git a/rootdir/etc/public.libraries.wear.txt b/rootdir/etc/public.libraries.wear.txt
index 673e115..292730a 100644
--- a/rootdir/etc/public.libraries.wear.txt
+++ b/rootdir/etc/public.libraries.wear.txt
@@ -1,5 +1,6 @@
libandroid.so
libc.so
+libcamera2ndk.so
libdl.so
libEGL.so
libGLESv1_CM.so
@@ -15,4 +16,5 @@
libOpenSLES.so
libRS.so
libstdc++.so
+libvulkan.so
libz.so
diff --git a/rootdir/init.rc b/rootdir/init.rc
index aa32343..abbb3f1 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -46,35 +46,26 @@
mount cgroup none /acct cpuacct
mkdir /acct/uid
- # Create cgroup mount point for memory
- mount tmpfs none /sys/fs/cgroup mode=0750,uid=0,gid=1000
- mkdir /sys/fs/cgroup/memory 0750 root system
- mount cgroup none /sys/fs/cgroup/memory memory
- write /sys/fs/cgroup/memory/memory.move_charge_at_immigrate 1
- chown root system /sys/fs/cgroup/memory/tasks
- chmod 0660 /sys/fs/cgroup/memory/tasks
- mkdir /sys/fs/cgroup/memory/sw 0750 root system
- write /sys/fs/cgroup/memory/sw/memory.swappiness 100
- write /sys/fs/cgroup/memory/sw/memory.move_charge_at_immigrate 1
- chown root system /sys/fs/cgroup/memory/sw/tasks
- chmod 0660 /sys/fs/cgroup/memory/sw/tasks
-
# Create energy-aware scheduler tuning nodes
- mkdir /sys/fs/cgroup/stune
- mount cgroup none /sys/fs/cgroup/stune schedtune
- mkdir /sys/fs/cgroup/stune/foreground
- chown system system /sys/fs/cgroup/stune
- chown system system /sys/fs/cgroup/stune/foreground
- chown system system /sys/fs/cgroup/stune/tasks
- chown system system /sys/fs/cgroup/stune/foreground/tasks
- chmod 0664 /sys/fs/cgroup/stune/tasks
- chmod 0664 /sys/fs/cgroup/stune/foreground/tasks
+ mkdir /dev/stune
+ mount cgroup none /dev/stune schedtune
+ mkdir /dev/stune/foreground
+ chown system system /dev/stune
+ chown system system /dev/stune/foreground
+ chown system system /dev/stune/tasks
+ chown system system /dev/stune/foreground/tasks
+ chmod 0664 /dev/stune/tasks
+ chmod 0664 /dev/stune/foreground/tasks
# Mount staging areas for devices managed by vold
# See storage config details at http://source.android.com/tech/storage/
mount tmpfs tmpfs /mnt mode=0755,uid=0,gid=1000
restorecon_recursive /mnt
+ mount configfs none /config
+ chmod 0775 /config/sdcardfs
+ chown system package_info /config/sdcardfs
+
mkdir /mnt/secure 0700 root root
mkdir /mnt/secure/asec 0700 root root
mkdir /mnt/asec 0755 root system
@@ -83,6 +74,7 @@
mkdir /mnt/user 0755 root root
mkdir /mnt/user/0 0755 root root
mkdir /mnt/expand 0771 system system
+ mkdir /mnt/appfuse 0711 root root
# Storage views to support runtime permissions
mkdir /mnt/runtime 0700 root root
@@ -97,9 +89,11 @@
symlink /storage/self/primary /sdcard
symlink /mnt/user/0/primary /mnt/runtime/default/self/primary
- # memory control cgroup
+ # root memory control cgroup, used by lmkd
mkdir /dev/memcg 0700 root system
mount cgroup none /dev/memcg memory
+ # app mem cgroups, used by activity manager, lmkd and zygote
+ mkdir /dev/memcg/apps/ 0755 system system
write /proc/sys/kernel/panic_on_oops 1
write /proc/sys/kernel/hung_task_timeout_secs 0
@@ -175,21 +169,32 @@
write /dev/cpuset/system-background/cpus 0
write /dev/cpuset/system-background/mems 0
+ mkdir /dev/cpuset/top-app
+ write /dev/cpuset/top-app/cpus 0
+ write /dev/cpuset/top-app/mems 0
+
# change permissions for all cpusets we'll touch at runtime
chown system system /dev/cpuset
chown system system /dev/cpuset/foreground
chown system system /dev/cpuset/foreground/boost
chown system system /dev/cpuset/background
chown system system /dev/cpuset/system-background
+ chown system system /dev/cpuset/top-app
chown system system /dev/cpuset/tasks
chown system system /dev/cpuset/foreground/tasks
chown system system /dev/cpuset/foreground/boost/tasks
chown system system /dev/cpuset/background/tasks
chown system system /dev/cpuset/system-background/tasks
+ chown system system /dev/cpuset/top-app/tasks
+
+ # set system-background to 0775 so SurfaceFlinger can touch it
+ chmod 0775 /dev/cpuset/system-background
+
chmod 0664 /dev/cpuset/foreground/tasks
chmod 0664 /dev/cpuset/foreground/boost/tasks
chmod 0664 /dev/cpuset/background/tasks
chmod 0664 /dev/cpuset/system-background/tasks
+ chmod 0664 /dev/cpuset/top-app/tasks
chmod 0664 /dev/cpuset/tasks
@@ -285,6 +290,10 @@
# permissions if created by the recovery system.
mkdir /cache/recovery 0770 system cache
+ # Backup/restore mechanism uses the cache partition
+ mkdir /cache/backup_stage 0700 system system
+ mkdir /cache/backup 0700 system system
+
#change permissions on vmallocinfo so we can grab it from bugreports
chown root log /proc/vmallocinfo
chmod 0440 /proc/vmallocinfo
@@ -321,8 +330,6 @@
start vold
installkey /data
- # Emulated internal storage area
- mkdir /data/media 0770 media_rw media_rw
# Start bootcharting as soon as possible after the data partition is
# mounted to collect more data.
mkdir /data/bootchart 0755 shell shell
@@ -359,16 +366,23 @@
chmod 0660 /data/misc/wifi/wpa_supplicant.conf
mkdir /data/local 0751 root root
mkdir /data/misc/media 0700 media media
+ mkdir /data/misc/audioserver 0700 audioserver audioserver
+ mkdir /data/misc/cameraserver 0700 cameraserver cameraserver
mkdir /data/misc/vold 0700 root root
mkdir /data/misc/boottrace 0771 system shell
mkdir /data/misc/update_engine 0700 root root
mkdir /data/misc/trace 0700 root root
+ # profile file layout
+ mkdir /data/misc/profiles 0771 system system
+ mkdir /data/misc/profiles/cur 0771 system system
+ mkdir /data/misc/profiles/ref 0771 system system
# For security reasons, /data/local/tmp should always be empty.
# Do not place files or directories in /data/local/tmp
mkdir /data/local/tmp 0771 shell shell
mkdir /data/data 0771 system system
mkdir /data/app-private 0771 system system
+ mkdir /data/app-ephemeral 0771 system system
mkdir /data/app-asec 0700 root root
mkdir /data/app-lib 0771 system system
mkdir /data/app 0771 system system
@@ -377,6 +391,8 @@
# create dalvik-cache, so as to enforce our permissions
mkdir /data/dalvik-cache 0771 root root
+ # create the A/B OTA directory, so as to enforce our permissions
+ mkdir /data/ota 0771 root root
# create resource-cache and double-check the perms
mkdir /data/resource-cache 0771 system system
@@ -397,18 +413,31 @@
mkdir /data/anr 0775 system system
# symlink to bugreport storage location
- symlink /data/data/com.android.shell/files/bugreports /data/bugreports
+ rm /data/bugreports
+ symlink /data/user_de/0/com.android.shell/files/bugreports /data/bugreports
# Create all remaining /data root dirs so that they are made through init
# and get proper encryption policy installed
mkdir /data/backup 0700 system system
- mkdir /data/media 0770 media_rw media_rw
mkdir /data/ss 0700 system system
+
mkdir /data/system 0775 system system
mkdir /data/system/heapdump 0700 system system
- mkdir /data/user 0711 system system
- setusercryptopolicies /data/user
+ mkdir /data/system_de 0770 system system
+ mkdir /data/system_ce 0770 system system
+
+ mkdir /data/misc_de 01771 system misc
+ mkdir /data/misc_ce 01771 system misc
+
+ mkdir /data/user 0711 system system
+ mkdir /data/user_de 0711 system system
+ symlink /data/data /data/user/0
+
+ mkdir /data/media 0770 media_rw media_rw
+ mkdir /data/media/obb 0770 media_rw media_rw
+
+ init_user0
# Set SELinux security contexts on upgrade or policy update.
restorecon_recursive /data
diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index 0ca38b9..22b9d6b 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -3,6 +3,8 @@
socket zygote stream 660 root system
onrestart write /sys/android_power/request_state wake
onrestart write /sys/power/state on
+ onrestart restart audioserver
+ onrestart restart cameraserver
onrestart restart media
onrestart restart netd
- writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+ writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
diff --git a/rootdir/init.zygote32_64.rc b/rootdir/init.zygote32_64.rc
index 1646c0f..555eda4 100644
--- a/rootdir/init.zygote32_64.rc
+++ b/rootdir/init.zygote32_64.rc
@@ -3,6 +3,8 @@
socket zygote stream 660 root system
onrestart write /sys/android_power/request_state wake
onrestart write /sys/power/state on
+ onrestart restart audioserver
+ onrestart restart cameraserver
onrestart restart media
onrestart restart netd
writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
@@ -11,4 +13,4 @@
class main
socket zygote_secondary stream 660 root system
onrestart restart zygote
- writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+ writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
diff --git a/rootdir/init.zygote64.rc b/rootdir/init.zygote64.rc
index b477c8e..297468c 100644
--- a/rootdir/init.zygote64.rc
+++ b/rootdir/init.zygote64.rc
@@ -3,6 +3,8 @@
socket zygote stream 660 root system
onrestart write /sys/android_power/request_state wake
onrestart write /sys/power/state on
+ onrestart restart audioserver
+ onrestart restart cameraserver
onrestart restart media
onrestart restart netd
- writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+ writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
diff --git a/rootdir/init.zygote64_32.rc b/rootdir/init.zygote64_32.rc
index 633a981..46f9f02 100644
--- a/rootdir/init.zygote64_32.rc
+++ b/rootdir/init.zygote64_32.rc
@@ -3,6 +3,8 @@
socket zygote stream 660 root system
onrestart write /sys/android_power/request_state wake
onrestart write /sys/power/state on
+ onrestart restart audioserver
+ onrestart restart cameraserver
onrestart restart media
onrestart restart netd
writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
@@ -11,4 +13,4 @@
class main
socket zygote_secondary stream 660 root system
onrestart restart zygote
- writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks
+ writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
diff --git a/run-as/package.c b/run-as/package.c
index aea89e5..86824c2 100644
--- a/run-as/package.c
+++ b/run-as/package.c
@@ -182,6 +182,10 @@
if (ret < 0)
return -1;
+ /* /data/user/0 is a known safe symlink */
+ if (strcmp("/data/user/0", path) == 0)
+ return 0;
+
/* must be a real directory, not a symlink */
if (!S_ISDIR(st.st_mode))
goto BAD;
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index f862561..d8fda67 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -1214,13 +1214,7 @@
}
out.fh = ptr_to_id(h);
out.open_flags = 0;
-
-#ifdef FUSE_STACKED_IO
- out.lower_fd = h->fd;
-#else
out.padding = 0;
-#endif
-
fuse_reply(fuse, hdr->unique, &out, sizeof(out));
return NO_STATUS;
}
@@ -1384,13 +1378,7 @@
}
out.fh = ptr_to_id(h);
out.open_flags = 0;
-
-#ifdef FUSE_STACKED_IO
- out.lower_fd = -1;
-#else
out.padding = 0;
-#endif
-
fuse_reply(fuse, hdr->unique, &out, sizeof(out));
return NO_STATUS;
}
@@ -1472,11 +1460,6 @@
out.major = FUSE_KERNEL_VERSION;
out.max_readahead = req->max_readahead;
out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;
-
-#ifdef FUSE_STACKED_IO
- out.flags |= FUSE_STACKED_IO;
-#endif
-
out.max_background = 32;
out.congestion_threshold = 32;
out.max_write = MAX_WRITE;
@@ -1911,6 +1894,105 @@
exit(1);
}
+static int sdcardfs_setup(const char *source_path, const char *dest_path, uid_t fsuid,
+ gid_t fsgid, bool multi_user, userid_t userid, gid_t gid, mode_t mask) {
+ char opts[256];
+
+ snprintf(opts, sizeof(opts),
+ "fsuid=%d,fsgid=%d,%smask=%d,userid=%d,gid=%d",
+ fsuid, fsgid, multi_user?"multiuser,":"", mask, userid, gid);
+
+ if (mount(source_path, dest_path, "sdcardfs",
+ MS_NOSUID | MS_NODEV | MS_NOEXEC | MS_NOATIME, opts) != 0) {
+ ERROR("failed to mount sdcardfs filesystem: %s\n", strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+static void run_sdcardfs(const char* source_path, const char* label, uid_t uid,
+ gid_t gid, userid_t userid, bool multi_user, bool full_write) {
+ char dest_path_default[PATH_MAX];
+ char dest_path_read[PATH_MAX];
+ char dest_path_write[PATH_MAX];
+ char obb_path[PATH_MAX];
+ snprintf(dest_path_default, PATH_MAX, "/mnt/runtime/default/%s", label);
+ snprintf(dest_path_read, PATH_MAX, "/mnt/runtime/read/%s", label);
+ snprintf(dest_path_write, PATH_MAX, "/mnt/runtime/write/%s", label);
+
+ umask(0);
+ if (multi_user) {
+ /* Multi-user storage is fully isolated per user, so "other"
+ * permissions are completely masked off. */
+ if (sdcardfs_setup(source_path, dest_path_default, uid, gid, multi_user, userid,
+ AID_SDCARD_RW, 0006)
+ || sdcardfs_setup(source_path, dest_path_read, uid, gid, multi_user, userid,
+ AID_EVERYBODY, 0027)
+ || sdcardfs_setup(source_path, dest_path_write, uid, gid, multi_user, userid,
+ AID_EVERYBODY, full_write ? 0007 : 0027)) {
+ ERROR("failed to fuse_setup\n");
+ exit(1);
+ }
+ } else {
+ /* Physical storage is readable by all users on device, but
+ * the Android directories are masked off to a single user
+ * deep inside attr_from_stat(). */
+ if (sdcardfs_setup(source_path, dest_path_default, uid, gid, multi_user, userid,
+ AID_SDCARD_RW, 0006)
+ || sdcardfs_setup(source_path, dest_path_read, uid, gid, multi_user, userid,
+ AID_EVERYBODY, full_write ? 0027 : 0022)
+ || sdcardfs_setup(source_path, dest_path_write, uid, gid, multi_user, userid,
+ AID_EVERYBODY, full_write ? 0007 : 0022)) {
+ ERROR("failed to fuse_setup\n");
+ exit(1);
+ }
+ }
+
+ /* Drop privs */
+ if (setgroups(sizeof(kGroups) / sizeof(kGroups[0]), kGroups) < 0) {
+ ERROR("cannot setgroups: %s\n", strerror(errno));
+ exit(1);
+ }
+ if (setgid(gid) < 0) {
+ ERROR("cannot setgid: %s\n", strerror(errno));
+ exit(1);
+ }
+ if (setuid(uid) < 0) {
+ ERROR("cannot setuid: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ if (multi_user) {
+ snprintf(obb_path, sizeof(obb_path), "%s/obb", source_path);
+ fs_prepare_dir(&obb_path[0], 0775, uid, gid);
+ }
+
+ exit(0);
+}
+
+static bool supports_sdcardfs(void) {
+ FILE *fp;
+ char *buf = NULL;
+ size_t buflen = 0;
+
+ fp = fopen("/proc/filesystems", "r");
+ if (!fp) {
+ ERROR("Could not read /proc/filesystems, error: %s\n", strerror(errno));
+ return false;
+ }
+ while ((getline(&buf, &buflen, fp)) > 0) {
+ if (strstr(buf, "sdcardfs\n")) {
+ free(buf);
+ fclose(fp);
+ return true;
+ }
+ }
+ free(buf);
+ fclose(fp);
+ return false;
+}
+
int main(int argc, char **argv) {
const char *source_path = NULL;
const char *label = NULL;
@@ -1983,6 +2065,10 @@
sleep(1);
}
- run(source_path, label, uid, gid, userid, multi_user, full_write);
+ if (supports_sdcardfs()) {
+ run_sdcardfs(source_path, label, uid, gid, userid, multi_user, full_write);
+ } else {
+ run(source_path, label, uid, gid, userid, multi_user, full_write);
+ }
return 1;
}
diff --git a/trusty/gatekeeper/Android.mk b/trusty/gatekeeper/Android.mk
new file mode 100644
index 0000000..13e9a09
--- /dev/null
+++ b/trusty/gatekeeper/Android.mk
@@ -0,0 +1,50 @@
+#
+# Copyright (C) 2015 The Android Open-Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# WARNING: Everything listed here will be built on ALL platforms,
+# including x86, the emulator, and the SDK. Modules must be uniquely
+# named (liblights.panda), and must build everywhere, or limit themselves
+# to only building on ARM if they include assembly. Individual makefiles
+# are responsible for having their own logic, for fine-grained control.
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := gatekeeper.trusty
+
+LOCAL_MODULE_RELATIVE_PATH := hw
+
+LOCAL_SRC_FILES := \
+ module.cpp \
+ trusty_gatekeeper_ipc.c \
+ trusty_gatekeeper.cpp
+
+LOCAL_CLFAGS = -fvisibility=hidden -Wall -Werror
+
+LOCAL_SHARED_LIBRARIES := \
+ libgatekeeper \
+ liblog \
+ libcutils \
+ libtrusty
+
+LOCAL_MODULE_TAGS := optional
+
+# Symlink gatekeeper.trusty.so -> gatekeeper.<device>.so so libhardware can find it.
+LOCAL_POST_INSTALL_CMD = \
+ $(hide) ln -sf $(notdir $(LOCAL_INSTALLED_MODULE)) $(dir $(LOCAL_INSTALLED_MODULE))gatekeeper.$(TARGET_DEVICE).so
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/trusty/gatekeeper/gatekeeper_ipc.h b/trusty/gatekeeper/gatekeeper_ipc.h
new file mode 100644
index 0000000..b05dcd8
--- /dev/null
+++ b/trusty/gatekeeper/gatekeeper_ipc.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#define GATEKEEPER_PORT "com.android.trusty.gatekeeper"
+#define GATEKEEPER_MAX_BUFFER_LENGTH 1024
+
+enum gatekeeper_command {
+ GK_REQ_SHIFT = 1,
+ GK_RESP_BIT = 1,
+
+ GK_ENROLL = (0 << GK_REQ_SHIFT),
+ GK_VERIFY = (1 << GK_REQ_SHIFT),
+};
+
+/**
+ * gatekeeper_message - Serial header for communicating with GK server
+ * @cmd: the command, one of ENROLL, VERIFY. Payload must be a serialized
+ * buffer of the corresponding request object.
+ * @payload: start of the serialized command specific payload
+ */
+struct gatekeeper_message {
+ uint32_t cmd;
+ uint8_t payload[0];
+};
+
diff --git a/trusty/gatekeeper/module.cpp b/trusty/gatekeeper/module.cpp
new file mode 100644
index 0000000..0ee3c2f
--- /dev/null
+++ b/trusty/gatekeeper/module.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hardware/hardware.h>
+
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "trusty_gatekeeper.h"
+
+using gatekeeper::TrustyGateKeeperDevice;
+
+static int trusty_gatekeeper_open(const hw_module_t *module, const char *name,
+ hw_device_t **device) {
+
+ if (strcmp(name, HARDWARE_GATEKEEPER) != 0) {
+ return -EINVAL;
+ }
+
+ TrustyGateKeeperDevice *gatekeeper = new TrustyGateKeeperDevice(module);
+ if (gatekeeper == NULL) return -ENOMEM;
+ *device = gatekeeper->hw_device();
+
+ return 0;
+}
+
+static struct hw_module_methods_t gatekeeper_module_methods = {
+ .open = trusty_gatekeeper_open,
+};
+
+struct gatekeeper_module HAL_MODULE_INFO_SYM __attribute__((visibility("default"))) = {
+ .common = {
+ .tag = HARDWARE_MODULE_TAG,
+ .module_api_version = GATEKEEPER_MODULE_API_VERSION_0_1,
+ .hal_api_version = HARDWARE_HAL_API_VERSION,
+ .id = GATEKEEPER_HARDWARE_MODULE_ID,
+ .name = "Trusty GateKeeper HAL",
+ .author = "The Android Open Source Project",
+ .methods = &gatekeeper_module_methods,
+ .dso = 0,
+ .reserved = {}
+ },
+};
diff --git a/trusty/gatekeeper/trusty_gatekeeper.cpp b/trusty/gatekeeper/trusty_gatekeeper.cpp
new file mode 100644
index 0000000..d24f44f
--- /dev/null
+++ b/trusty/gatekeeper/trusty_gatekeeper.cpp
@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <assert.h>
+#include <type_traits>
+
+#include "trusty_gatekeeper.h"
+#include "trusty_gatekeeper_ipc.h"
+#include "gatekeeper_ipc.h"
+
+#define LOG_TAG "TrustyGateKeeper"
+#include <cutils/log.h>
+
+namespace gatekeeper {
+
+const uint32_t SEND_BUF_SIZE = 8192;
+const uint32_t RECV_BUF_SIZE = 8192;
+
+TrustyGateKeeperDevice::TrustyGateKeeperDevice(const hw_module_t *module) {
+#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__)
+ static_assert(std::is_standard_layout<TrustyGateKeeperDevice>::value,
+ "TrustyGateKeeperDevice must be standard layout");
+ static_assert(offsetof(TrustyGateKeeperDevice, device_) == 0,
+ "device_ must be the first member of TrustyGateKeeperDevice");
+ static_assert(offsetof(TrustyGateKeeperDevice, device_.common) == 0,
+ "common must be the first member of gatekeeper_device");
+#else
+ assert(reinterpret_cast<gatekeeper_device_t *>(this) == &device_);
+ assert(reinterpret_cast<hw_device_t *>(this) == &(device_.common));
+#endif
+
+ memset(&device_, 0, sizeof(device_));
+ device_.common.tag = HARDWARE_DEVICE_TAG;
+ device_.common.version = 1;
+ device_.common.module = const_cast<hw_module_t *>(module);
+ device_.common.close = close_device;
+
+ device_.enroll = enroll;
+ device_.verify = verify;
+ device_.delete_user = nullptr;
+ device_.delete_all_users = nullptr;
+
+ int rc = trusty_gatekeeper_connect();
+ if (rc < 0) {
+ ALOGE("Error initializing trusty session: %d", rc);
+ }
+
+ error_ = rc;
+
+}
+
+hw_device_t* TrustyGateKeeperDevice::hw_device() {
+ return &device_.common;
+}
+
+int TrustyGateKeeperDevice::close_device(hw_device_t* dev) {
+ delete reinterpret_cast<TrustyGateKeeperDevice *>(dev);
+ return 0;
+}
+
+TrustyGateKeeperDevice::~TrustyGateKeeperDevice() {
+ trusty_gatekeeper_disconnect();
+}
+
+int TrustyGateKeeperDevice::Enroll(uint32_t uid, const uint8_t *current_password_handle,
+ uint32_t current_password_handle_length, const uint8_t *current_password,
+ uint32_t current_password_length, const uint8_t *desired_password,
+ uint32_t desired_password_length, uint8_t **enrolled_password_handle,
+ uint32_t *enrolled_password_handle_length) {
+
+ if (error_ != 0) {
+ return error_;
+ }
+
+ SizedBuffer desired_password_buffer(desired_password_length);
+ memcpy(desired_password_buffer.buffer.get(), desired_password, desired_password_length);
+
+ SizedBuffer current_password_handle_buffer(current_password_handle_length);
+ if (current_password_handle) {
+ memcpy(current_password_handle_buffer.buffer.get(), current_password_handle,
+ current_password_handle_length);
+ }
+
+ SizedBuffer current_password_buffer(current_password_length);
+ if (current_password) {
+ memcpy(current_password_buffer.buffer.get(), current_password, current_password_length);
+ }
+
+ EnrollRequest request(uid, ¤t_password_handle_buffer, &desired_password_buffer,
+ ¤t_password_buffer);
+ EnrollResponse response;
+
+ gatekeeper_error_t error = Send(request, &response);
+
+ if (error == ERROR_RETRY) {
+ return response.retry_timeout;
+ } else if (error != ERROR_NONE) {
+ return -EINVAL;
+ }
+
+ *enrolled_password_handle = response.enrolled_password_handle.buffer.release();
+ *enrolled_password_handle_length = response.enrolled_password_handle.length;
+
+
+ return 0;
+}
+
+int TrustyGateKeeperDevice::Verify(uint32_t uid, uint64_t challenge,
+ const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
+ const uint8_t *provided_password, uint32_t provided_password_length,
+ uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll) {
+ if (error_ != 0) {
+ return error_;
+ }
+
+ SizedBuffer password_handle_buffer(enrolled_password_handle_length);
+ memcpy(password_handle_buffer.buffer.get(), enrolled_password_handle,
+ enrolled_password_handle_length);
+ SizedBuffer provided_password_buffer(provided_password_length);
+ memcpy(provided_password_buffer.buffer.get(), provided_password, provided_password_length);
+
+ VerifyRequest request(uid, challenge, &password_handle_buffer, &provided_password_buffer);
+ VerifyResponse response;
+
+ gatekeeper_error_t error = Send(request, &response);
+
+ if (error == ERROR_RETRY) {
+ return response.retry_timeout;
+ } else if (error != ERROR_NONE) {
+ return -EINVAL;
+ }
+
+ if (auth_token != NULL && auth_token_length != NULL) {
+ *auth_token = response.auth_token.buffer.release();
+ *auth_token_length = response.auth_token.length;
+ }
+
+ if (request_reenroll != NULL) {
+ *request_reenroll = response.request_reenroll;
+ }
+
+ return 0;
+}
+
+gatekeeper_error_t TrustyGateKeeperDevice::Send(uint32_t command, const GateKeeperMessage& request,
+ GateKeeperMessage *response) {
+ uint32_t request_size = request.GetSerializedSize();
+ if (request_size > SEND_BUF_SIZE)
+ return ERROR_INVALID;
+ uint8_t send_buf[SEND_BUF_SIZE];
+ request.Serialize(send_buf, send_buf + request_size);
+
+ // Send it
+ uint8_t recv_buf[RECV_BUF_SIZE];
+ uint32_t response_size = RECV_BUF_SIZE;
+ int rc = trusty_gatekeeper_call(command, send_buf, request_size, recv_buf, &response_size);
+ if (rc < 0) {
+ ALOGE("error (%d) calling gatekeeper TA", rc);
+ return ERROR_INVALID;
+ }
+
+ const gatekeeper_message *msg = reinterpret_cast<gatekeeper_message *>(recv_buf);
+ const uint8_t *payload = msg->payload;
+
+ return response->Deserialize(payload, payload + response_size);
+}
+
+static inline TrustyGateKeeperDevice *convert_device(const gatekeeper_device *dev) {
+ return reinterpret_cast<TrustyGateKeeperDevice *>(const_cast<gatekeeper_device *>(dev));
+}
+
+/* static */
+int TrustyGateKeeperDevice::enroll(const struct gatekeeper_device *dev, uint32_t uid,
+ const uint8_t *current_password_handle, uint32_t current_password_handle_length,
+ const uint8_t *current_password, uint32_t current_password_length,
+ const uint8_t *desired_password, uint32_t desired_password_length,
+ uint8_t **enrolled_password_handle, uint32_t *enrolled_password_handle_length) {
+
+ if (dev == NULL ||
+ enrolled_password_handle == NULL || enrolled_password_handle_length == NULL ||
+ desired_password == NULL || desired_password_length == 0)
+ return -EINVAL;
+
+ // Current password and current password handle go together
+ if (current_password_handle == NULL || current_password_handle_length == 0 ||
+ current_password == NULL || current_password_length == 0) {
+ current_password_handle = NULL;
+ current_password_handle_length = 0;
+ current_password = NULL;
+ current_password_length = 0;
+ }
+
+ return convert_device(dev)->Enroll(uid, current_password_handle, current_password_handle_length,
+ current_password, current_password_length, desired_password, desired_password_length,
+ enrolled_password_handle, enrolled_password_handle_length);
+
+}
+
+/* static */
+int TrustyGateKeeperDevice::verify(const struct gatekeeper_device *dev, uint32_t uid,
+ uint64_t challenge, const uint8_t *enrolled_password_handle,
+ uint32_t enrolled_password_handle_length, const uint8_t *provided_password,
+ uint32_t provided_password_length, uint8_t **auth_token, uint32_t *auth_token_length,
+ bool *request_reenroll) {
+
+ if (dev == NULL || enrolled_password_handle == NULL ||
+ provided_password == NULL) {
+ return -EINVAL;
+ }
+
+ return convert_device(dev)->Verify(uid, challenge, enrolled_password_handle,
+ enrolled_password_handle_length, provided_password, provided_password_length,
+ auth_token, auth_token_length, request_reenroll);
+}
+};
diff --git a/trusty/gatekeeper/trusty_gatekeeper.h b/trusty/gatekeeper/trusty_gatekeeper.h
new file mode 100644
index 0000000..82108dc
--- /dev/null
+++ b/trusty/gatekeeper/trusty_gatekeeper.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TRUSTY_GATEKEEPER_H
+#define TRUSTY_GATEKEEPER_H
+
+#include <hardware/gatekeeper.h>
+#include <gatekeeper/gatekeeper_messages.h>
+
+#include "gatekeeper_ipc.h"
+
+namespace gatekeeper {
+
+class TrustyGateKeeperDevice {
+ public:
+
+ TrustyGateKeeperDevice(const hw_module_t* module);
+ ~TrustyGateKeeperDevice();
+
+ hw_device_t* hw_device();
+
+ /**
+ * Enrolls password_payload, which should be derived from a user selected pin or password,
+ * with the authentication factor private key used only for enrolling authentication
+ * factor data.
+ *
+ * Returns: 0 on success or an error code less than 0 on error.
+ * On error, enrolled_password will not be allocated.
+ */
+ int Enroll(uint32_t uid, const uint8_t *current_password_handle,
+ uint32_t current_password_handle_length, const uint8_t *current_password,
+ uint32_t current_password_length, const uint8_t *desired_password,
+ uint32_t desired_password_length, uint8_t **enrolled_password_handle,
+ uint32_t *enrolled_password_handle_length);
+
+ /**
+ * Verifies provided_password matches expected_password after enrolling
+ * with the authentication factor private key.
+ *
+ * Implementations of this module may retain the result of this call
+ * to attest to the recency of authentication.
+ *
+ * On success, writes the address of a verification token to verification_token,
+ *
+ * Returns: 0 on success or an error code less than 0 on error
+ * On error, verification token will not be allocated
+ */
+ int Verify(uint32_t uid, uint64_t challenge, const uint8_t *enrolled_password_handle,
+ uint32_t enrolled_password_handle_length, const uint8_t *provided_password,
+ uint32_t provided_password_length, uint8_t **auth_token, uint32_t *auth_token_length,
+ bool *request_reenroll);
+
+ private:
+
+ gatekeeper_error_t Send(uint32_t command, const GateKeeperMessage& request,
+ GateKeeperMessage* response);
+
+ gatekeeper_error_t Send(const EnrollRequest& request, EnrollResponse *response) {
+ return Send(GK_ENROLL, request, response);
+ }
+
+ gatekeeper_error_t Send(const VerifyRequest& request, VerifyResponse *response) {
+ return Send(GK_VERIFY, request, response);
+ }
+
+ // Static methods interfacing the HAL API with the TrustyGateKeeper device
+
+ /**
+ * Enrolls desired_password, which should be derived from a user selected pin or password,
+ * with the authentication factor private key used only for enrolling authentication
+ * factor data.
+ *
+ * If there was already a password enrolled, it should be provided in
+ * current_password_handle, along with the current password in current_password
+ * that should validate against current_password_handle.
+ *
+ * Returns: 0 on success or an error code less than 0 on error.
+ * On error, enrolled_password_handle will not be allocated.
+ */
+ static int enroll(const struct gatekeeper_device *dev, uint32_t uid,
+ const uint8_t *current_password_handle, uint32_t current_password_handle_length,
+ const uint8_t *current_password, uint32_t current_password_length,
+ const uint8_t *desired_password, uint32_t desired_password_length,
+ uint8_t **enrolled_password_handle, uint32_t *enrolled_password_handle_length);
+
+ /**
+ * Verifies provided_password matches enrolled_password_handle.
+ *
+ * Implementations of this module may retain the result of this call
+ * to attest to the recency of authentication.
+ *
+ * On success, writes the address of a verification token to auth_token,
+ * usable to attest password verification to other trusted services. Clients
+ * may pass NULL for this value.
+ *
+ * Returns: 0 on success or an error code less than 0 on error
+ * On error, verification token will not be allocated
+ */
+ static int verify(const struct gatekeeper_device *dev, uint32_t uid, uint64_t challenge,
+ const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
+ const uint8_t *provided_password, uint32_t provided_password_length,
+ uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll);
+
+ static int close_device(hw_device_t* dev);
+
+ gatekeeper_device device_;
+ int error_;
+
+};
+}
+
+#endif
+
diff --git a/trusty/gatekeeper/trusty_gatekeeper_ipc.c b/trusty/gatekeeper/trusty_gatekeeper_ipc.c
new file mode 100644
index 0000000..a1c319e
--- /dev/null
+++ b/trusty/gatekeeper/trusty_gatekeeper_ipc.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LOG_TAG "TrustyGateKeeper"
+#include <cutils/log.h>
+#include <trusty/tipc.h>
+
+#include "trusty_gatekeeper_ipc.h"
+#include "gatekeeper_ipc.h"
+
+#define TRUSTY_DEVICE_NAME "/dev/trusty-ipc-dev0"
+
+static int handle_ = 0;
+
+int trusty_gatekeeper_connect() {
+ int rc = tipc_connect(TRUSTY_DEVICE_NAME, GATEKEEPER_PORT);
+ if (rc < 0) {
+ return rc;
+ }
+
+ handle_ = rc;
+ return 0;
+}
+
+int trusty_gatekeeper_call(uint32_t cmd, void *in, uint32_t in_size, uint8_t *out,
+ uint32_t *out_size) {
+ if (handle_ == 0) {
+ ALOGE("not connected\n");
+ return -EINVAL;
+ }
+
+ size_t msg_size = in_size + sizeof(struct gatekeeper_message);
+ struct gatekeeper_message *msg = malloc(msg_size);
+ msg->cmd = cmd;
+ memcpy(msg->payload, in, in_size);
+
+ ssize_t rc = write(handle_, msg, msg_size);
+ free(msg);
+
+ if (rc < 0) {
+ ALOGE("failed to send cmd (%d) to %s: %s\n", cmd,
+ GATEKEEPER_PORT, strerror(errno));
+ return -errno;
+ }
+
+ rc = read(handle_, out, *out_size);
+ if (rc < 0) {
+ ALOGE("failed to retrieve response for cmd (%d) to %s: %s\n",
+ cmd, GATEKEEPER_PORT, strerror(errno));
+ return -errno;
+ }
+
+ if ((size_t) rc < sizeof(struct gatekeeper_message)) {
+ ALOGE("invalid response size (%d)\n", (int) rc);
+ return -EINVAL;
+ }
+
+ msg = (struct gatekeeper_message *) out;
+
+ if ((cmd | GK_RESP_BIT) != msg->cmd) {
+ ALOGE("invalid command (%d)\n", msg->cmd);
+ return -EINVAL;
+ }
+
+ *out_size = ((size_t) rc) - sizeof(struct gatekeeper_message);
+ return rc;
+}
+
+void trusty_gatekeeper_disconnect() {
+ if (handle_ != 0) {
+ tipc_close(handle_);
+ }
+}
+
diff --git a/trusty/gatekeeper/trusty_gatekeeper_ipc.h b/trusty/gatekeeper/trusty_gatekeeper_ipc.h
new file mode 100644
index 0000000..f8de7f8
--- /dev/null
+++ b/trusty/gatekeeper/trusty_gatekeeper_ipc.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+__BEGIN_DECLS
+
+int trusty_gatekeeper_connect();
+int trusty_gatekeeper_call(uint32_t cmd, void *in, uint32_t in_size, uint8_t *out,
+ uint32_t *out_size);
+void trusty_gatekeeper_disconnect();
+
+__END_DECLS