Merge "Start update_verifier in cache group" into nyc-mr1-dev
diff --git a/init/service.cpp b/init/service.cpp
index f1ffa18..3149f8e 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -460,13 +460,21 @@
}
}
+ std::vector<std::string> expanded_args;
std::vector<char*> strs;
- for (const auto& s : args_) {
- strs.push_back(const_cast<char*>(s.c_str()));
+ expanded_args.resize(args_.size());
+ strs.push_back(const_cast<char*>(args_[0].c_str()));
+ for (std::size_t i = 1; i < args_.size(); ++i) {
+ if (!expand_props(args_[i], &expanded_args[i])) {
+ ERROR("%s: cannot expand '%s'\n", args_[0].c_str(), args_[i].c_str());
+ _exit(127);
+ }
+ strs.push_back(const_cast<char*>(expanded_args[i].c_str()));
}
strs.push_back(nullptr);
- if (execve(args_[0].c_str(), (char**) &strs[0], (char**) ENV) < 0) {
- ERROR("cannot execve('%s'): %s\n", args_[0].c_str(), strerror(errno));
+
+ if (execve(strs[0], (char**) &strs[0], (char**) ENV) < 0) {
+ ERROR("cannot execve('%s'): %s\n", strs[0], strerror(errno));
}
_exit(127);
diff --git a/init/util.cpp b/init/util.cpp
index 84b4155..683f6d8 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -504,6 +504,7 @@
* - will accept $$ as a literal $.
* - no nested property expansion, i.e. ${foo.${bar}} is not supported,
* bad things will happen
+ * - ${x.y:-default} will return default value if property empty.
*/
while (*src_ptr) {
const char* c;
@@ -526,6 +527,7 @@
}
std::string prop_name;
+ std::string def_val;
if (*c == '{') {
c++;
const char* end = strchr(c, '}');
@@ -536,6 +538,11 @@
}
prop_name = std::string(c, end);
c = end + 1;
+ size_t def = prop_name.find(":-");
+ if (def < prop_name.size()) {
+ def_val = prop_name.substr(def + 2);
+ prop_name = prop_name.substr(0, def);
+ }
} else {
prop_name = c;
ERROR("using deprecated syntax for specifying property '%s', use ${name} instead\n",
@@ -550,9 +557,12 @@
std::string prop_val = property_get(prop_name.c_str());
if (prop_val.empty()) {
- ERROR("property '%s' doesn't exist while expanding '%s'\n",
- prop_name.c_str(), src.c_str());
- return false;
+ if (def_val.empty()) {
+ ERROR("property '%s' doesn't exist while expanding '%s'\n",
+ prop_name.c_str(), src.c_str());
+ return false;
+ }
+ prop_val = def_val;
}
dst->append(prop_val);
diff --git a/liblog/logger.h b/liblog/logger.h
index c727f29..0964756 100644
--- a/liblog/logger.h
+++ b/liblog/logger.h
@@ -146,11 +146,13 @@
/* OS specific dribs and drabs */
#if defined(_WIN32)
+#include <private/android_filesystem_config.h>
typedef uint32_t uid_t;
+static inline uid_t __android_log_uid() { return AID_SYSTEM; }
+#else
+static inline uid_t __android_log_uid() { return getuid(); }
#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();
diff --git a/liblog/logger_lock.c b/liblog/logger_lock.c
index ee979bd..14feee0 100644
--- a/liblog/logger_lock.c
+++ b/liblog/logger_lock.c
@@ -22,34 +22,8 @@
#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
diff --git a/liblog/pmsg_writer.c b/liblog/pmsg_writer.c
index 2ba31fa..944feba 100644
--- a/liblog/pmsg_writer.c
+++ b/liblog/pmsg_writer.c
@@ -142,7 +142,7 @@
pmsgHeader.magic = LOGGER_MAGIC;
pmsgHeader.len = sizeof(pmsgHeader) + sizeof(header);
pmsgHeader.uid = __android_log_uid();
- pmsgHeader.pid = __android_log_pid();
+ pmsgHeader.pid = getpid();
header.id = logId;
header.tid = gettid();
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp
index 6e31ce4..ba084f6 100644
--- a/libutils/Unicode.cpp
+++ b/libutils/Unicode.cpp
@@ -19,9 +19,6 @@
#include <stddef.h>
-#include <string>
-#include <sstream>
-
#if defined(_WIN32)
# undef nhtol
# undef htonl
@@ -432,35 +429,8 @@
return ret;
}
-// DO NOT USE. Flawed version, kept only to check whether the flaw is being exploited.
-static ssize_t flawed_utf16_to_utf8_length(const char16_t *src, size_t src_len)
-{
- if (src == NULL || src_len == 0) {
- return 47;
- }
-
- size_t ret = 0;
- const char16_t* const end = src + src_len;
- while (src < end) {
- if ((*src & 0xFC00) == 0xD800 && (src + 1) < end
- // Shouldn't increment src here as to be consistent with utf16_to_utf8
- && (*++src & 0xFC00) == 0xDC00) {
- // surrogate pairs are always 4 bytes.
- ret += 4;
- // Should increment src here by two.
- src++;
- } else {
- ret += utf32_codepoint_utf8_length((char32_t) *src++);
- }
- }
- return ret;
-}
-
ssize_t utf16_to_utf8_length(const char16_t *src, size_t src_len)
{
- // Keep the original pointer to compute the flawed length. Unused if we remove logging.
- const char16_t *orig_src = src;
-
if (src == NULL || src_len == 0) {
return -1;
}
@@ -477,19 +447,6 @@
ret += utf32_codepoint_utf8_length((char32_t) *src++);
}
}
- // Log whether b/29250543 is being exploited. It seems reasonable to assume that
- // at least 5 bytes would be needed for an exploit. A single misplaced character might lead to
- // a difference of 4, so this would rule out many false positives.
- long ret_difference = ret - flawed_utf16_to_utf8_length(orig_src, src_len);
- if (ret_difference >= 5) {
- // Log the difference between new and old calculation. A high number, or equal numbers
- // appearing frequently, would be indicative of an attack.
- std::ostringstream logged_string_stream;
- logged_string_stream << ret_difference;
- std::string logged_string = logged_string_stream.str();
- android_errorWriteWithInfoLog(0x534e4554, "29250543", -1 /* int_uid */,
- logged_string.c_str(), logged_string.length() + 1);
- }
return ret;
}
diff --git a/logcat/logcatd.rc b/logcat/logcatd.rc
index 1fbd020..70d1dd4 100644
--- a/logcat/logcatd.rc
+++ b/logcat/logcatd.rc
@@ -2,10 +2,10 @@
# all exec/services are called with umask(077), so no gain beyond 0700
mkdir /data/misc/logd 0700 logd log
# logd for write to /data/misc/logd, log group for read from pstore (-L)
- # exec - logd log -- /system/bin/logcat -L -b all -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n 256
+ exec - logd log -- /system/bin/logcat -L -b ${persist.logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${persist.logd.logpersistd.size:-256}
start logcatd
-service logcatd /system/bin/logcat -b all -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n 256
+service logcatd /system/bin/logcat -b ${persist.logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${persist.logd.logpersistd.size:-256}
class late_start
disabled
# logd for write to /data/misc/logd, log group for read from log daemon
diff --git a/logcat/logpersist b/logcat/logpersist
index dab466d..923c5fb 100755
--- a/logcat/logpersist
+++ b/logcat/logpersist
@@ -1,5 +1,5 @@
#! /system/bin/sh
-# logpersist cat start and stop handlers
+# logpersist cat, start and stop handlers
progname="${0##*/}"
case `getprop ro.build.type` in
userdebug|eng) ;;
@@ -7,36 +7,134 @@
exit 1
;;
esac
+
data=/data/misc/logd
property=persist.logd.logpersistd
service=logcatd
-if [ X"${1}" = X"-h" -o X"${1}" = X"--help" ]; then
- echo "${progname%.*}.cat - dump current ${service%d} logs"
- echo "${progname%.*}.start - start ${service} service"
- echo "${progname%.*}.stop [--clear] - stop ${service} service"
- exit 0
+size_default=256
+buffer_default=all
+args="${@}"
+
+size=${size_default}
+buffer=${buffer_default}
+clear=false
+while [ ${#} -gt 0 ]; do
+ case ${1} in
+ -c|--clear) clear=true ;;
+ --size=*) size="${1#--size=}" ;;
+ --rotate-count=*) size="${1#--rotate-count=}" ;;
+ -n|--size|--rotate-count) size="${2}" ; shift ;;
+ --buffer=*) buffer="${1#--buffer=}" ;;
+ -b|--buffer) buffer="${2}" ; shift ;;
+ -h|--help|*)
+ LEAD_SPACE_="`echo ${progname%.*} | tr '[ -~]' ' '`"
+ echo "${progname%.*}.cat - dump current ${service%d} logs"
+ echo "${progname%.*}.start [--size=<size_in_kb>] [--buffer=<buffers>] [--clear]"
+ echo "${LEAD_SPACE_} - start ${service} service"
+ echo "${progname%.*}.stop [--clear] - stop ${service} service"
+ case ${1} in
+ -h|--help) exit 0 ;;
+ *) echo ERROR: bad argument ${@} >&2 ; exit 1 ;;
+ esac
+ ;;
+ esac
+ shift
+done
+
+if [ -z "${size}" -o "${size_default}" = "${size}" ]; then
+ unset size
fi
+if [ -n "${size}" ] &&
+ ! ( [ 0 -lt "${size}" ] && [ 2048 -ge "${size}" ] ) >/dev/null 2>&1; then
+ echo ERROR: Invalid --size ${size} >&2
+ exit 1
+fi
+if [ -z "${buffer}" -o "${buffer_default}" = "${buffer}" ]; then
+ unset buffer
+fi
+if [ -n "${buffer}" ] && ! logcat -b ${buffer} -g >/dev/null 2>&1; then
+ echo ERROR: Invalid --buffer ${buffer} >&2
+ exit 1
+fi
+
case ${progname} in
*.cat)
- su 1036 ls "${data}" |
+ if [ -n "${size}${buffer}" -o "true" = "${clear}" ]; then
+ echo WARNING: Can not use --clear, --size or --buffer with ${progname%.*}.cat >&2
+ fi
+ su logd ls "${data}" |
tr -d '\r' |
sort -ru |
sed "s#^#${data}/#" |
- su 1036 xargs cat
+ su logd xargs cat
;;
*.start)
- su 0 setprop ${property} ${service}
+ current_buffer="`getprop ${property}.buffer`"
+ current_size="`getprop ${property}.size`"
+ if [ "${service}" = "`getprop ${property}`" ]; then
+ if [ "true" = "${clear}" ]; then
+ su root stop ${service}
+ su root setprop ${property} ""
+ # 20ms done, guarantees content stop before rm
+ sleep 1
+ elif [ "${buffer}|${size}" != "${current_buffer}|${current_size}" ]; then
+ echo "ERROR: Changing existing collection parameters from" >&2
+ if [ "${buffer}" != "${current_buffer}" ]; then
+ a=${current_buffer}
+ b=${buffer}
+ if [ -z "${a}" ]; then a="${default_buffer}"; fi
+ if [ -z "${b}" ]; then b="${default_buffer}"; fi
+ echo " --buffer ${a} to ${b}" >&2
+ fi
+ if [ "${size}" != "${current_size}" ]; then
+ a=${current_size}
+ b=${size}
+ if [ -z "${a}" ]; then a="${default_size}"; fi
+ if [ -z "${b}" ]; then b="${default_size}"; fi
+ echo " --size ${a} to ${b}" >&2
+ fi
+ echo " Are you sure you want to do this?" >&2
+ echo " Suggest add --clear to erase data and restart with new settings." >&2
+ echo " To blindly override and retain data, ${progname%.*}.stop first." >&2
+ exit 1
+ fi
+ fi
+ if [ "true" = "${clear}" ]; then
+ su logd,misc rm -rf "${data}"
+ fi
+ if [ -n "${buffer}${current_buffer}" ]; then
+ su root setprop ${property}.buffer "${buffer}"
+ fi
+ if [ -n "${size}${current_size}" ]; then
+ su root setprop ${property}.size "${size}"
+ fi
+ # ${service}.rc does the heavy lifting with the following trigger
+ su root setprop ${property} ${service}
getprop ${property}
+ # 20ms done, to permit process feedback check
sleep 1
+ # also generate an error return code if not found running, bonus
ps -t | grep "${data##*/}.*${service%d}"
;;
*.stop)
- su 0 stop ${service}
- su 0 setprop ${property} ""
- [ X"${1}" != X"-c" -a X"${1}" != X"--clear" ] ||
- ( sleep 1 ; su 1036,9998 rm -rf "${data}" )
+ if [ -n "${size}${buffer}" ]; then
+ echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2
+ fi
+ su root stop ${service}
+ su root setprop ${property} ""
+ if [ -n "`getprop ${property}.buffer`" ]; then
+ su root setprop ${property}.buffer ""
+ fi
+ if [ -n "`getprop ${property}.size`" ]; then
+ su root setprop ${property}.size ""
+ fi
+ if [ "true" = "${clear}" ]; then
+ # 20ms done, guarantees content stop before rm
+ sleep 1
+ su logd,misc rm -rf "${data}"
+ fi
;;
*)
- echo "Unexpected command ${0##*/} ${@}" >&2
+ echo "ERROR: Unexpected command ${0##*/} ${args}" >&2
exit 1
esac
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1eec0ab..56379db 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -234,6 +234,8 @@
# expecting it to point to /proc/self/fd
symlink /proc/self/fd /dev/fd
+ export DOWNLOAD_CACHE /data/cache
+
# Healthd can trigger a full boot from charger mode by signaling this
# property when the power button is held.
on property:sys.boot_from_charger_mode=1
@@ -454,6 +456,11 @@
mkdir /data/media 0770 media_rw media_rw
mkdir /data/media/obb 0770 media_rw media_rw
+ mkdir /data/cache 0770 system cache
+ mkdir /data/cache/recovery 0770 system cache
+ mkdir /data/cache/backup_stage 0700 system system
+ mkdir /data/cache/backup 0700 system system
+
init_user0
# Reload policy from /data/security if present.