diff options
Diffstat (limited to 'adb_install.cpp')
-rw-r--r-- | adb_install.cpp | 189 |
1 files changed, 93 insertions, 96 deletions
diff --git a/adb_install.cpp b/adb_install.cpp index 79b8df91b..e7d7758f9 100644 --- a/adb_install.cpp +++ b/adb_install.cpp @@ -14,124 +14,121 @@ * limitations under the License. */ -#include <unistd.h> -#include <dirent.h> +#include "adb_install.h" + #include <errno.h> +#include <fcntl.h> +#include <signal.h> #include <stdlib.h> #include <string.h> +#include <sys/stat.h> #include <sys/types.h> #include <sys/wait.h> -#include <sys/stat.h> -#include <signal.h> -#include <fcntl.h> +#include <unistd.h> + +#include <android-base/properties.h> -#include "ui.h" -#include "install.h" #include "common.h" -#include "adb_install.h" -#include "minadbd/fuse_adb_provider.h" #include "fuse_sideload.h" +#include "install.h" +#include "ui.h" -#include <android-base/properties.h> - -static void set_usb_driver(RecoveryUI* ui, bool enabled) { - int fd = open("/sys/class/android_usb/android0/enable", O_WRONLY); - if (fd < 0) { - ui->Print("failed to open driver control: %s\n", strerror(errno)); - return; - } - if (TEMP_FAILURE_RETRY(write(fd, enabled ? "1" : "0", 1)) == -1) { - ui->Print("failed to set driver control: %s\n", strerror(errno)); - } - if (close(fd) < 0) { - ui->Print("failed to close driver control: %s\n", strerror(errno)); - } +static void set_usb_driver(bool enabled) { + int fd = open("/sys/class/android_usb/android0/enable", O_WRONLY); + if (fd < 0) { + ui->Print("failed to open driver control: %s\n", strerror(errno)); + return; + } + if (TEMP_FAILURE_RETRY(write(fd, enabled ? "1" : "0", 1)) == -1) { + ui->Print("failed to set driver control: %s\n", strerror(errno)); + } + if (close(fd) < 0) { + ui->Print("failed to close driver control: %s\n", strerror(errno)); + } } -static void stop_adbd(RecoveryUI* ui) { - ui->Print("Stopping adbd...\n"); - android::base::SetProperty("ctl.stop", "adbd"); - set_usb_driver(ui, false); +static void stop_adbd() { + ui->Print("Stopping adbd...\n"); + android::base::SetProperty("ctl.stop", "adbd"); + set_usb_driver(false); } -static void maybe_restart_adbd(RecoveryUI* ui) { - if (is_ro_debuggable()) { - ui->Print("Restarting adbd...\n"); - set_usb_driver(ui, true); - android::base::SetProperty("ctl.start", "adbd"); - } +static void maybe_restart_adbd() { + if (is_ro_debuggable()) { + ui->Print("Restarting adbd...\n"); + set_usb_driver(true); + android::base::SetProperty("ctl.start", "adbd"); + } } -// How long (in seconds) we wait for the host to start sending us a -// package, before timing out. -#define ADB_INSTALL_TIMEOUT 300 - -int apply_from_adb(RecoveryUI* ui, bool* wipe_cache, const char* install_file) { - modified_flash = true; - - stop_adbd(ui); - set_usb_driver(ui, true); - - ui->Print("\n\nNow send the package you want to apply\n" - "to the device with \"adb sideload <filename>\"...\n"); - - pid_t child; - if ((child = fork()) == 0) { - execl("/sbin/recovery", "recovery", "--adbd", NULL); - _exit(EXIT_FAILURE); +int apply_from_adb(bool* wipe_cache, const char* install_file) { + modified_flash = true; + + stop_adbd(); + set_usb_driver(true); + + ui->Print( + "\n\nNow send the package you want to apply\n" + "to the device with \"adb sideload <filename>\"...\n"); + + pid_t child; + if ((child = fork()) == 0) { + execl("/sbin/recovery", "recovery", "--adbd", nullptr); + _exit(EXIT_FAILURE); + } + + // How long (in seconds) we wait for the host to start sending us a package, before timing out. + static constexpr int ADB_INSTALL_TIMEOUT = 300; + + // FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the host connects and starts serving a + // package. Poll for its appearance. (Note that inotify doesn't work with FUSE.) + int result = INSTALL_ERROR; + int status; + bool waited = false; + for (int i = 0; i < ADB_INSTALL_TIMEOUT; ++i) { + if (waitpid(child, &status, WNOHANG) != 0) { + result = INSTALL_ERROR; + waited = true; + break; } - // FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the host - // connects and starts serving a package. Poll for its - // appearance. (Note that inotify doesn't work with FUSE.) - int result = INSTALL_ERROR; - int status; - bool waited = false; struct stat st; - for (int i = 0; i < ADB_INSTALL_TIMEOUT; ++i) { - if (waitpid(child, &status, WNOHANG) != 0) { - result = INSTALL_ERROR; - waited = true; - break; - } - - if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &st) != 0) { - if (errno == ENOENT && i < ADB_INSTALL_TIMEOUT-1) { - sleep(1); - continue; - } else { - ui->Print("\nTimed out waiting for package.\n\n"); - result = INSTALL_ERROR; - kill(child, SIGKILL); - break; - } - } - result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, install_file, false, 0); + if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &st) != 0) { + if (errno == ENOENT && i < ADB_INSTALL_TIMEOUT - 1) { + sleep(1); + continue; + } else { + ui->Print("\nTimed out waiting for package.\n\n"); + result = INSTALL_ERROR; + kill(child, SIGKILL); break; + } } + result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, install_file, false, 0); + break; + } - if (!waited) { - // Calling stat() on this magic filename signals the minadbd - // subprocess to shut down. - stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st); - - // TODO(dougz): there should be a way to cancel waiting for a - // package (by pushing some button combo on the device). For now - // you just have to 'adb sideload' a file that's not a valid - // package, like "/dev/null". - waitpid(child, &status, 0); - } - - if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { - if (WEXITSTATUS(status) == 3) { - ui->Print("\nYou need adb 1.0.32 or newer to sideload\nto this device.\n\n"); - } else if (!WIFSIGNALED(status)) { - ui->Print("\n(adbd status %d)\n", WEXITSTATUS(status)); - } + if (!waited) { + // Calling stat() on this magic filename signals the minadbd subprocess to shut down. + struct stat st; + stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st); + + // TODO: there should be a way to cancel waiting for a package (by pushing some button combo on + // the device). For now you just have to 'adb sideload' a file that's not a valid package, like + // "/dev/null". + waitpid(child, &status, 0); + } + + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { + if (WEXITSTATUS(status) == 3) { + ui->Print("\nYou need adb 1.0.32 or newer to sideload\nto this device.\n\n"); + } else if (!WIFSIGNALED(status)) { + ui->Print("\n(adbd status %d)\n", WEXITSTATUS(status)); } + } - set_usb_driver(ui, false); - maybe_restart_adbd(ui); + set_usb_driver(false); + maybe_restart_adbd(); - return result; + return result; } |