DO NOT MERGE: Split bugreport() into its own file and added unit tests.
am: 698e065e14  -s ours

Change-Id: Iebbdfef75e812db2d2252f50055b6df626ce05d6
diff --git a/adb/Android.mk b/adb/Android.mk
index 5a0780c..1aa3dc1 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -184,9 +184,6 @@
 LOCAL_CFLAGS_darwin := $(LIBADB_darwin_CFLAGS)
 LOCAL_SRC_FILES := \
     $(LIBADB_TEST_SRCS) \
-    adb_client.cpp \
-    bugreport.cpp \
-    bugreport_test.cpp \
     services.cpp \
     shell_service_protocol.cpp \
     shell_service_protocol_test.cpp \
@@ -202,7 +199,6 @@
     libcrypto \
     libcutils \
     libdiagnose_usb \
-    libgmock_host \
 
 # Set entrypoint to wmain from sysdeps_win32.cpp instead of main
 LOCAL_LDFLAGS_windows := -municode
@@ -231,7 +227,6 @@
 
 LOCAL_SRC_FILES := \
     adb_client.cpp \
-    bugreport.cpp \
     client/main.cpp \
     console.cpp \
     commandline.cpp \
diff --git a/adb/adb.h b/adb/adb.h
index cd6b7bd..9227eb1 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -203,6 +203,8 @@
 int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol);
 #endif
 
+int adb_commandline(int argc, const char **argv);
+
 ConnectionState connection_state(atransport *t);
 
 extern const char* adb_device_banner;
diff --git a/adb/adb_client.h b/adb/adb_client.h
index 9f9eb1f..d5cd922 100644
--- a/adb/adb_client.h
+++ b/adb/adb_client.h
@@ -18,7 +18,6 @@
 #define _ADB_CLIENT_H_
 
 #include "adb.h"
-#include "sysdeps.h"
 #include "transport.h"
 
 #include <string>
diff --git a/adb/bugreport.cpp b/adb/bugreport.cpp
deleted file mode 100644
index 1af5843..0000000
--- a/adb/bugreport.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * 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 <string>
-
-#include <android-base/strings.h>
-
-#include "bugreport.h"
-#include "commandline.h"
-#include "file_sync_service.h"
-
-static constexpr char BUGZ_OK_PREFIX[] = "OK:";
-static constexpr char BUGZ_FAIL_PREFIX[] = "FAIL:";
-
-int Bugreport::DoIt(TransportType transport_type, const char* serial, int argc, const char** argv) {
-    if (argc == 1) return SendShellCommand(transport_type, serial, "bugreport", false);
-    if (argc != 2) return usage();
-
-    // Zipped bugreport option - will call 'bugreportz', which prints the location
-    // of the generated
-    // file, then pull it to the destination file provided by the user.
-    std::string dest_file = argv[1];
-    if (!android::base::EndsWith(argv[1], ".zip")) {
-        // TODO: use a case-insensitive comparison (like EndsWithIgnoreCase
-        dest_file += ".zip";
-    }
-    std::string output;
-
-    fprintf(stderr,
-            "Bugreport is in progress and it could take minutes to complete.\n"
-            "Please be patient and do not cancel or disconnect your device until "
-            "it completes.\n");
-    int status = SendShellCommand(transport_type, serial, "bugreportz", false, &output, nullptr);
-    if (status != 0 || output.empty()) return status;
-    output = android::base::Trim(output);
-
-    if (android::base::StartsWith(output, BUGZ_OK_PREFIX)) {
-        const char* zip_file = &output[strlen(BUGZ_OK_PREFIX)];
-        std::vector<const char*> srcs{zip_file};
-        status = DoSyncPull(srcs, dest_file.c_str(), true, dest_file.c_str()) ? 0 : 1;
-        if (status != 0) {
-            fprintf(stderr, "Could not copy file '%s' to '%s'\n", zip_file, dest_file.c_str());
-        }
-        return status;
-    }
-    if (android::base::StartsWith(output, BUGZ_FAIL_PREFIX)) {
-        const char* error_message = &output[strlen(BUGZ_FAIL_PREFIX)];
-        fprintf(stderr, "Device failed to take a zipped bugreport: %s\n", error_message);
-        return -1;
-    }
-    fprintf(stderr,
-            "Unexpected string (%s) returned by bugreportz, "
-            "device probably does not support it\n",
-            output.c_str());
-    return -1;
-}
-
-int Bugreport::SendShellCommand(TransportType transport_type, const char* serial,
-                                const std::string& command, bool disable_shell_protocol,
-                                std::string* output, std::string* err) {
-    return send_shell_command(transport_type, serial, command, disable_shell_protocol, output, err);
-}
-
-bool Bugreport::DoSyncPull(const std::vector<const char*>& srcs, const char* dst, bool copy_attrs,
-                           const char* name) {
-    return do_sync_pull(srcs, dst, copy_attrs, name);
-}
diff --git a/adb/bugreport.h b/adb/bugreport.h
deleted file mode 100644
index ff3a457..0000000
--- a/adb/bugreport.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * 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 BUGREPORT_H
-#define BUGREPORT_H
-
-#include <vector>
-
-#include "adb.h"
-
-class Bugreport {
-  public:
-    Bugreport() {
-    }
-    int DoIt(TransportType transport_type, const char* serial, int argc, const char** argv);
-
-  protected:
-    // Functions below are abstractions of external functions so they can be
-    // mocked on tests.
-    virtual int SendShellCommand(TransportType transport_type, const char* serial,
-                                 const std::string& command, bool disable_shell_protocol,
-                                 std::string* output = nullptr, std::string* err = nullptr);
-
-    virtual bool DoSyncPull(const std::vector<const char*>& srcs, const char* dst, bool copy_attrs,
-                            const char* name);
-
-  private:
-    DISALLOW_COPY_AND_ASSIGN(Bugreport);
-};
-
-#endif  // BUGREPORT_H
diff --git a/adb/bugreport_test.cpp b/adb/bugreport_test.cpp
deleted file mode 100644
index dd2ff37..0000000
--- a/adb/bugreport_test.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * 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 "bugreport.h"
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-using ::testing::_;
-using ::testing::DoAll;
-using ::testing::ElementsAre;
-using ::testing::HasSubstr;
-using ::testing::Return;
-using ::testing::SetArgPointee;
-using ::testing::StrEq;
-using ::testing::internal::CaptureStderr;
-using ::testing::internal::GetCapturedStderr;
-
-// Empty function so tests don't need to be linked against
-// file_sync_service.cpp, which requires
-// SELinux and its transitive dependencies...
-bool do_sync_pull(const std::vector<const char*>& srcs, const char* dst, bool copy_attrs,
-                  const char* name) {
-    ADD_FAILURE() << "do_sync_pull() should have been mocked";
-    return false;
-}
-
-// Implemented in commandline.cpp
-int usage() {
-    return -42;
-}
-
-// Implemented in commandline.cpp
-int send_shell_command(TransportType transport_type, const char* serial, const std::string& command,
-                       bool disable_shell_protocol, std::string* output, std::string* err) {
-    ADD_FAILURE() << "send_shell_command() should have been mocked";
-    return -42;
-}
-
-class BugreportMock : public Bugreport {
-  public:
-    MOCK_METHOD6(SendShellCommand,
-                 int(TransportType transport_type, const char* serial, const std::string& command,
-                     bool disable_shell_protocol, std::string* output, std::string* err));
-    MOCK_METHOD4(DoSyncPull, bool(const std::vector<const char*>& srcs, const char* dst,
-                                  bool copy_attrs, const char* name));
-};
-
-class BugreportTest : public ::testing::Test {
-  public:
-    BugreportMock br_;
-};
-
-// Tests when called with invalid number of argumnts
-TEST_F(BugreportTest, InvalidNumberArgs) {
-    const char* args[1024] = {"bugreport", "to", "principal"};
-    ASSERT_EQ(-42, br_.DoIt(kTransportLocal, "HannibalLecter", 3, args));
-}
-
-// Tests the legacy 'adb bugreport' option
-TEST_F(BugreportTest, FlatFileFormat) {
-    EXPECT_CALL(br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreport", false,
-                                      nullptr, nullptr))
-        .WillOnce(Return(0));
-
-    const char* args[1024] = {"bugreport"};
-    ASSERT_EQ(0, br_.DoIt(kTransportLocal, "HannibalLecter", 1, args));
-}
-
-// Tests 'adb bugreport file.zip' when it succeeds
-TEST_F(BugreportTest, Ok) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(DoAll(SetArgPointee<4>("OK:/device/bugreport.zip"), Return(0)));
-    EXPECT_CALL(br_, DoSyncPull(ElementsAre(StrEq("/device/bugreport.zip")), StrEq("file.zip"),
-                                true, StrEq("file.zip")))
-        .WillOnce(Return(true));
-
-    const char* args[1024] = {"bugreport", "file.zip"};
-    ASSERT_EQ(0, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-}
-
-// Tests 'adb bugreport file' when it succeeds
-TEST_F(BugreportTest, OkNoExtension) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(DoAll(SetArgPointee<4>("OK:/device/bugreport.zip"), Return(0)));
-    EXPECT_CALL(br_, DoSyncPull(ElementsAre(StrEq("/device/bugreport.zip")), StrEq("file.zip"),
-                                true, StrEq("file.zip")))
-        .WillOnce(Return(true));
-
-    const char* args[1024] = {"bugreport", "file"};
-    ASSERT_EQ(0, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-}
-
-// Tests 'adb bugreport file.zip' when the bugreport itself failed
-TEST_F(BugreportTest, BugreportzReturnedFail) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(DoAll(SetArgPointee<4>("FAIL:D'OH!"), Return(0)));
-
-    CaptureStderr();
-    const char* args[1024] = {"bugreport", "file.zip"};
-    ASSERT_EQ(-1, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-    ASSERT_THAT(GetCapturedStderr(), HasSubstr("D'OH"));
-}
-
-// Tests 'adb bugreport file.zip' when the bugreportz returned an unsupported
-// response.
-TEST_F(BugreportTest, BugreportzReturnedUnsupported) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(DoAll(SetArgPointee<4>("bugreportz? What am I, a zombie?"), Return(0)));
-
-    CaptureStderr();
-    const char* args[1024] = {"bugreport", "file.zip"};
-    ASSERT_EQ(-1, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-    ASSERT_THAT(GetCapturedStderr(), HasSubstr("bugreportz? What am I, a zombie?"));
-}
-
-// Tests 'adb bugreport file.zip' when the bugreportz command fails
-TEST_F(BugreportTest, BugreportzFailed) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(Return(666));
-
-    const char* args[1024] = {"bugreport", "file.zip"};
-    ASSERT_EQ(666, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-}
-
-// Tests 'adb bugreport file.zip' when the bugreport could not be pulled
-TEST_F(BugreportTest, PullFails) {
-    EXPECT_CALL(
-        br_, SendShellCommand(kTransportLocal, "HannibalLecter", "bugreportz", false, _, nullptr))
-        .WillOnce(DoAll(SetArgPointee<4>("OK:/device/bugreport.zip"), Return(0)));
-    EXPECT_CALL(br_, DoSyncPull(ElementsAre(StrEq("/device/bugreport.zip")), StrEq("file.zip"),
-                                true, StrEq("file.zip")))
-        .WillOnce(Return(false));
-
-    const char* args[1024] = {"bugreport", "file.zip"};
-    ASSERT_EQ(1, br_.DoIt(kTransportLocal, "HannibalLecter", 2, args));
-}
diff --git a/adb/client/main.cpp b/adb/client/main.cpp
index 0c85fe5..e160169 100644
--- a/adb/client/main.cpp
+++ b/adb/client/main.cpp
@@ -32,7 +32,6 @@
 #include "adb_auth.h"
 #include "adb_listeners.h"
 #include "adb_utils.h"
-#include "commandline.h"
 #include "transport.h"
 
 static std::string GetLogFilePath() {
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index 6a2f8d4..8aab389 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -52,11 +52,10 @@
 #include "adb_client.h"
 #include "adb_io.h"
 #include "adb_utils.h"
-#include "bugreport.h"
-#include "commandline.h"
 #include "file_sync_service.h"
 #include "services.h"
 #include "shell_service.h"
+#include "transport.h"
 
 static int install_app(TransportType t, const char* serial, int argc, const char** argv);
 static int install_multiple_app(TransportType t, const char* serial, int argc, const char** argv);
@@ -67,6 +66,9 @@
 static auto& gProductOutPath = *new std::string();
 extern int gListenAll;
 
+static constexpr char BUGZ_OK_PREFIX[] = "OK:";
+static constexpr char BUGZ_FAIL_PREFIX[] = "FAIL:";
+
 static std::string product_file(const char *extra) {
     if (gProductOutPath.empty()) {
         fprintf(stderr, "adb: Product directory not specified; "
@@ -252,7 +254,7 @@
         );
 }
 
-int usage() {
+static int usage() {
     help();
     return 1;
 }
@@ -369,7 +371,19 @@
     *buf = '\0';
 }
 
-static void stdinout_raw_prologue(int inFd, int outFd, int& old_stdin_mode, int& old_stdout_mode) {
+static void copy_to_file(int inFd, int outFd) {
+    const size_t BUFSIZE = 32 * 1024;
+    char* buf = (char*) malloc(BUFSIZE);
+    if (buf == nullptr) fatal("couldn't allocate buffer for copy_to_file");
+    int len;
+    long total = 0;
+#ifdef _WIN32
+    int old_stdin_mode = -1;
+    int old_stdout_mode = -1;
+#endif
+
+    D("copy_to_file(%d -> %d)", inFd, outFd);
+
     if (inFd == STDIN_FILENO) {
         stdin_raw_init();
 #ifdef _WIN32
@@ -388,39 +402,6 @@
         }
     }
 #endif
-}
-
-static void stdinout_raw_epilogue(int inFd, int outFd, int old_stdin_mode, int old_stdout_mode) {
-    if (inFd == STDIN_FILENO) {
-        stdin_raw_restore();
-#ifdef _WIN32
-        if (_setmode(STDIN_FILENO, old_stdin_mode) == -1) {
-            fatal_errno("could not restore stdin mode");
-        }
-#endif
-    }
-
-#ifdef _WIN32
-    if (outFd == STDOUT_FILENO) {
-        if (_setmode(STDOUT_FILENO, old_stdout_mode) == -1) {
-            fatal_errno("could not restore stdout mode");
-        }
-    }
-#endif
-}
-
-static void copy_to_file(int inFd, int outFd) {
-    const size_t BUFSIZE = 32 * 1024;
-    char* buf = (char*) malloc(BUFSIZE);
-    if (buf == nullptr) fatal("couldn't allocate buffer for copy_to_file");
-    int len;
-    long total = 0;
-    int old_stdin_mode = -1;
-    int old_stdout_mode = -1;
-
-    D("copy_to_file(%d -> %d)", inFd, outFd);
-
-    stdinout_raw_prologue(inFd, outFd, old_stdin_mode, old_stdout_mode);
 
     while (true) {
         if (inFd == STDIN_FILENO) {
@@ -445,7 +426,22 @@
         total += len;
     }
 
-    stdinout_raw_epilogue(inFd, outFd, old_stdin_mode, old_stdout_mode);
+    if (inFd == STDIN_FILENO) {
+        stdin_raw_restore();
+#ifdef _WIN32
+        if (_setmode(STDIN_FILENO, old_stdin_mode) == -1) {
+            fatal_errno("could not restore stdin mode");
+        }
+#endif
+    }
+
+#ifdef _WIN32
+    if (outFd == STDOUT_FILENO) {
+        if (_setmode(STDOUT_FILENO, old_stdout_mode) == -1) {
+            fatal_errno("could not restore stdout mode");
+        }
+    }
+#endif
 
     D("copy_to_file() finished after %lu bytes", total);
     free(buf);
@@ -1117,8 +1113,13 @@
     return true;
 }
 
-int send_shell_command(TransportType transport_type, const char* serial, const std::string& command,
-                       bool disable_shell_protocol, std::string* output, std::string* err) {
+// Connects to the device "shell" service with |command| and prints the
+// resulting output.
+static int send_shell_command(TransportType transport_type, const char* serial,
+                              const std::string& command,
+                              bool disable_shell_protocol,
+                              std::string* output=nullptr,
+                              std::string* err=nullptr) {
     int fd;
     bool use_shell_protocol = false;
 
@@ -1162,6 +1163,45 @@
     return exit_code;
 }
 
+static int bugreport(TransportType transport_type, const char* serial, int argc,
+                     const char** argv) {
+    if (argc == 1) return send_shell_command(transport_type, serial, "bugreport", false);
+    if (argc != 2) return usage();
+
+    // Zipped bugreport option - will call 'bugreportz', which prints the location of the generated
+    // file, then pull it to the destination file provided by the user.
+    std::string dest_file = argv[1];
+    if (!android::base::EndsWith(argv[1], ".zip")) {
+        // TODO: use a case-insensitive comparison (like EndsWithIgnoreCase
+        dest_file += ".zip";
+    }
+    std::string output;
+
+    fprintf(stderr, "Bugreport is in progress and it could take minutes to complete.\n"
+            "Please be patient and do not cancel or disconnect your device until it completes.\n");
+    int status = send_shell_command(transport_type, serial, "bugreportz", false, &output, nullptr);
+    if (status != 0 || output.empty()) return status;
+    output = android::base::Trim(output);
+
+    if (android::base::StartsWith(output, BUGZ_OK_PREFIX)) {
+        const char* zip_file = &output[strlen(BUGZ_OK_PREFIX)];
+        std::vector<const char*> srcs{zip_file};
+        status = do_sync_pull(srcs, dest_file.c_str(), true, dest_file.c_str()) ? 0 : 1;
+        if (status != 0) {
+            fprintf(stderr, "Could not copy file '%s' to '%s'\n", zip_file, dest_file.c_str());
+        }
+        return status;
+    }
+    if (android::base::StartsWith(output, BUGZ_FAIL_PREFIX)) {
+        const char* error_message = &output[strlen(BUGZ_FAIL_PREFIX)];
+        fprintf(stderr, "Device failed to take a zipped bugreport: %s\n", error_message);
+        return -1;
+    }
+    fprintf(stderr, "Unexpected string (%s) returned by bugreportz, "
+            "device probably does not support -z option\n", output.c_str());
+    return -1;
+}
+
 static int logcat(TransportType transport, const char* serial, int argc, const char** argv) {
     char* log_tags = getenv("ANDROID_LOG_TAGS");
     std::string quoted = escape_arg(log_tags == nullptr ? "" : log_tags);
@@ -1182,29 +1222,6 @@
     return send_shell_command(transport, serial, cmd, true);
 }
 
-static void write_zeros(int bytes, int fd) {
-    int old_stdin_mode = -1;
-    int old_stdout_mode = -1;
-    char* buf = (char*) calloc(1, bytes);
-    if (buf == nullptr) fatal("couldn't allocate buffer for write_zeros");
-
-    D("write_zeros(%d) -> %d", bytes, fd);
-
-    stdinout_raw_prologue(-1, fd, old_stdin_mode, old_stdout_mode);
-
-    if (fd == STDOUT_FILENO) {
-        fwrite(buf, 1, bytes, stdout);
-        fflush(stdout);
-    } else {
-        adb_write(fd, buf, bytes);
-    }
-
-    stdinout_raw_prologue(-1, fd, old_stdin_mode, old_stdout_mode);
-
-    D("write_zeros() finished");
-    free(buf);
-}
-
 static int backup(int argc, const char** argv) {
     const char* filename = "backup.ab";
 
@@ -1285,9 +1302,6 @@
     printf("Now unlock your device and confirm the restore operation.\n");
     copy_to_file(tarFd, fd);
 
-    // Provide an in-band EOD marker in case the archive file is malformed
-    write_zeros(512*2, fd);
-
     // Wait until the other side finishes, or it'll get sent SIGHUP.
     copy_to_file(fd, STDOUT_FILENO);
 
@@ -1423,16 +1437,6 @@
 #endif
 }
 
-static bool _use_legacy_install() {
-    FeatureSet features;
-    std::string error;
-    if (!adb_get_feature_set(&features, &error)) {
-        fprintf(stderr, "error: %s\n", error.c_str());
-        return true;
-    }
-    return !CanUseFeature(features, kFeatureCmd);
-}
-
 int adb_commandline(int argc, const char **argv) {
     int no_daemon = 0;
     int is_daemon = 0;
@@ -1733,8 +1737,7 @@
     } else if (!strcmp(argv[0], "root") || !strcmp(argv[0], "unroot")) {
         return adb_root(argv[0]) ? 0 : 1;
     } else if (!strcmp(argv[0], "bugreport")) {
-        Bugreport bugreport;
-        return bugreport.DoIt(transport_type, serial, argc, argv);
+        return bugreport(transport_type, serial, argc, argv);
     } else if (!strcmp(argv[0], "forward") || !strcmp(argv[0], "reverse")) {
         bool reverse = !strcmp(argv[0], "reverse");
         ++argv;
@@ -1828,10 +1831,17 @@
     }
     else if (!strcmp(argv[0], "install")) {
         if (argc < 2) return usage();
-        if (_use_legacy_install()) {
-            return install_app_legacy(transport_type, serial, argc, argv);
+        FeatureSet features;
+        std::string error;
+        if (!adb_get_feature_set(&features, &error)) {
+            fprintf(stderr, "error: %s\n", error.c_str());
+            return 1;
         }
-        return install_app(transport_type, serial, argc, argv);
+
+        if (CanUseFeature(features, kFeatureCmd)) {
+            return install_app(transport_type, serial, argc, argv);
+        }
+        return install_app_legacy(transport_type, serial, argc, argv);
     }
     else if (!strcmp(argv[0], "install-multiple")) {
         if (argc < 2) return usage();
@@ -1839,10 +1849,17 @@
     }
     else if (!strcmp(argv[0], "uninstall")) {
         if (argc < 2) return usage();
-        if (_use_legacy_install()) {
-            return uninstall_app_legacy(transport_type, serial, argc, argv);
+        FeatureSet features;
+        std::string error;
+        if (!adb_get_feature_set(&features, &error)) {
+            fprintf(stderr, "error: %s\n", error.c_str());
+            return 1;
         }
-        return uninstall_app(transport_type, serial, argc, argv);
+
+        if (CanUseFeature(features, kFeatureCmd)) {
+            return uninstall_app(transport_type, serial, argc, argv);
+        }
+        return uninstall_app_legacy(transport_type, serial, argc, argv);
     }
     else if (!strcmp(argv[0], "sync")) {
         std::string src;
@@ -2056,6 +2073,7 @@
     int i;
     struct stat sb;
     uint64_t total_size = 0;
+
     // Find all APK arguments starting at end.
     // All other arguments passed through verbatim.
     int first_apk = -1;
@@ -2080,14 +2098,7 @@
         return 1;
     }
 
-    std::string install_cmd;
-    if (_use_legacy_install()) {
-        install_cmd = "exec:pm";
-    } else {
-        install_cmd = "exec:cmd package";
-    }
-
-    std::string cmd = android::base::StringPrintf("%s install-create -S %" PRIu64, install_cmd.c_str(), total_size);
+    std::string cmd = android::base::StringPrintf("exec:pm install-create -S %" PRIu64, total_size);
     for (i = 1; i < first_apk; i++) {
         cmd += " " + escape_arg(argv[i]);
     }
@@ -2129,8 +2140,8 @@
         }
 
         std::string cmd = android::base::StringPrintf(
-                "%s install-write -S %" PRIu64 " %d %d_%s -",
-                install_cmd.c_str(), static_cast<uint64_t>(sb.st_size), session_id, i, adb_basename(file).c_str());
+                "exec:pm install-write -S %" PRIu64 " %d %d_%s -",
+                static_cast<uint64_t>(sb.st_size), session_id, i, adb_basename(file).c_str());
 
         int localFd = adb_open(file, O_RDONLY);
         if (localFd < 0) {
@@ -2165,8 +2176,8 @@
 finalize_session:
     // Commit session if we streamed everything okay; otherwise abandon
     std::string service =
-            android::base::StringPrintf("%s install-%s %d",
-                                        install_cmd.c_str(), success ? "commit" : "abandon", session_id);
+            android::base::StringPrintf("exec:pm install-%s %d",
+                                        success ? "commit" : "abandon", session_id);
     fd = adb_connect(service, &error);
     if (fd < 0) {
         fprintf(stderr, "Connect error for finalize: %s\n", error.c_str());
diff --git a/adb/commandline.h b/adb/commandline.h
deleted file mode 100644
index 39764b4..0000000
--- a/adb/commandline.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * 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 COMMANDLINE_H
-#define COMMANDLINE_H
-
-#include "adb.h"
-
-int adb_commandline(int argc, const char** argv);
-int usage();
-
-// Connects to the device "shell" service with |command| and prints the
-// resulting output.
-int send_shell_command(TransportType transport_type, const char* serial, const std::string& command,
-                       bool disable_shell_protocol, std::string* output = nullptr,
-                       std::string* err = nullptr);
-
-#endif  // COMMANDLINE_H
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 840ac86..2922ec4 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -142,6 +142,10 @@
     { 00750, AID_ROOT,      AID_SHELL,     CAP_MASK_LONG(CAP_SETUID) | CAP_MASK_LONG(CAP_SETGID), "system/bin/run-as" },
     { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND), "system/bin/inputflinger" },
 
+    /* Support hostapd administering a network interface. */
+    { 00755, AID_WIFI,      AID_WIFI,     CAP_MASK_LONG(CAP_NET_ADMIN) |
+                                          CAP_MASK_LONG(CAP_NET_RAW),    "system/bin/hostapd" },
+
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/*" },