diff options
Diffstat (limited to 'recovery.cpp')
-rw-r--r-- | recovery.cpp | 263 |
1 files changed, 90 insertions, 173 deletions
diff --git a/recovery.cpp b/recovery.cpp index 8f2183d30..7f17b16ef 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -44,6 +44,8 @@ #include "adb_install.h" extern "C" { #include "minadbd/adb.h" +#include "fuse_sideload.h" +#include "fuse_sdcard_provider.h" } struct selabel_handle *sehandle; @@ -58,6 +60,7 @@ static const struct option OPTIONS[] = { { "locale", required_argument, NULL, 'l' }, { "stages", required_argument, NULL, 'g' }, { "shutdown_after", no_argument, NULL, 'p' }, + { "reason", required_argument, NULL, 'r' }, { NULL, 0, NULL, 0 }, }; @@ -73,12 +76,12 @@ static const char *CACHE_ROOT = "/cache"; static const char *SDCARD_ROOT = "/sdcard"; static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log"; static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install"; -static const char *SIDELOAD_TEMP_DIR = "/tmp/sideload"; RecoveryUI* ui = NULL; char* locale = NULL; char recovery_version[PROPERTY_VALUE_MAX+1]; char* stage = NULL; +char* reason = NULL; /* * The recovery tool communicates with the main system through /cache files. @@ -439,96 +442,6 @@ erase_volume(const char *volume) { return result; } -static char* -copy_sideloaded_package(const char* original_path) { - if (ensure_path_mounted(original_path) != 0) { - LOGE("Can't mount %s\n", original_path); - return NULL; - } - - if (ensure_path_mounted(SIDELOAD_TEMP_DIR) != 0) { - LOGE("Can't mount %s\n", SIDELOAD_TEMP_DIR); - return NULL; - } - - if (mkdir(SIDELOAD_TEMP_DIR, 0700) != 0) { - if (errno != EEXIST) { - LOGE("Can't mkdir %s (%s)\n", SIDELOAD_TEMP_DIR, strerror(errno)); - return NULL; - } - } - - // verify that SIDELOAD_TEMP_DIR is exactly what we expect: a - // directory, owned by root, readable and writable only by root. - struct stat st; - if (stat(SIDELOAD_TEMP_DIR, &st) != 0) { - LOGE("failed to stat %s (%s)\n", SIDELOAD_TEMP_DIR, strerror(errno)); - return NULL; - } - if (!S_ISDIR(st.st_mode)) { - LOGE("%s isn't a directory\n", SIDELOAD_TEMP_DIR); - return NULL; - } - if ((st.st_mode & 0777) != 0700) { - LOGE("%s has perms %o\n", SIDELOAD_TEMP_DIR, st.st_mode); - return NULL; - } - if (st.st_uid != 0) { - LOGE("%s owned by %lu; not root\n", SIDELOAD_TEMP_DIR, st.st_uid); - return NULL; - } - - char copy_path[PATH_MAX]; - strcpy(copy_path, SIDELOAD_TEMP_DIR); - strcat(copy_path, "/package.zip"); - - char* buffer = (char*)malloc(BUFSIZ); - if (buffer == NULL) { - LOGE("Failed to allocate buffer\n"); - return NULL; - } - - size_t read; - FILE* fin = fopen(original_path, "rb"); - if (fin == NULL) { - LOGE("Failed to open %s (%s)\n", original_path, strerror(errno)); - return NULL; - } - FILE* fout = fopen(copy_path, "wb"); - if (fout == NULL) { - LOGE("Failed to open %s (%s)\n", copy_path, strerror(errno)); - return NULL; - } - - while ((read = fread(buffer, 1, BUFSIZ, fin)) > 0) { - if (fwrite(buffer, 1, read, fout) != read) { - LOGE("Short write of %s (%s)\n", copy_path, strerror(errno)); - return NULL; - } - } - - free(buffer); - - if (fclose(fout) != 0) { - LOGE("Failed to close %s (%s)\n", copy_path, strerror(errno)); - return NULL; - } - - if (fclose(fin) != 0) { - LOGE("Failed to close %s (%s)\n", original_path, strerror(errno)); - return NULL; - } - - // "adb push" is happy to overwrite read-only files when it's - // running as root, but we'll try anyway. - if (chmod(copy_path, 0400) != 0) { - LOGE("Failed to chmod %s (%s)\n", copy_path, strerror(errno)); - return NULL; - } - - return strdup(copy_path); -} - static const char** prepend_title(const char* const* headers) { // count the number of lines in our title, plus the @@ -604,9 +517,9 @@ static int compare_string(const void* a, const void* b) { return strcmp(*(const char**)a, *(const char**)b); } -static int -update_directory(const char* path, const char* unmount_when_done, - int* wipe_cache, Device* device) { +// Returns a malloc'd path, or NULL. +static char* +browse_directory(const char* path, Device* device) { ensure_path_mounted(path); const char* MENU_HEADERS[] = { "Choose a package to install:", @@ -618,10 +531,7 @@ update_directory(const char* path, const char* unmount_when_done, d = opendir(path); if (d == NULL) { LOGE("error opening %s: %s\n", path, strerror(errno)); - if (unmount_when_done != NULL) { - ensure_path_unmounted(unmount_when_done); - } - return 0; + return NULL; } const char** headers = prepend_title(MENU_HEADERS); @@ -677,58 +587,41 @@ update_directory(const char* path, const char* unmount_when_done, z_size += d_size; zips[z_size] = NULL; - int result; + char* result; int chosen_item = 0; - do { + while (true) { chosen_item = get_menu_selection(headers, zips, 1, chosen_item, device); char* item = zips[chosen_item]; int item_len = strlen(item); if (chosen_item == 0) { // item 0 is always "../" // go up but continue browsing (if the caller is update_directory) - result = -1; + result = NULL; break; - } else if (item[item_len-1] == '/') { + } + + char new_path[PATH_MAX]; + strlcpy(new_path, path, PATH_MAX); + strlcat(new_path, "/", PATH_MAX); + strlcat(new_path, item, PATH_MAX); + + if (item[item_len-1] == '/') { // recurse down into a subdirectory - char new_path[PATH_MAX]; - strlcpy(new_path, path, PATH_MAX); - strlcat(new_path, "/", PATH_MAX); - strlcat(new_path, item, PATH_MAX); new_path[strlen(new_path)-1] = '\0'; // truncate the trailing '/' - result = update_directory(new_path, unmount_when_done, wipe_cache, device); - if (result >= 0) break; + result = browse_directory(new_path, device); + if (result) break; } else { - // selected a zip file: attempt to install it, and return - // the status to the caller. - char new_path[PATH_MAX]; - strlcpy(new_path, path, PATH_MAX); - strlcat(new_path, "/", PATH_MAX); - strlcat(new_path, item, PATH_MAX); - - ui->Print("\n-- Install %s ...\n", path); - set_sdcard_update_bootloader_message(); - char* copy = copy_sideloaded_package(new_path); - if (unmount_when_done != NULL) { - ensure_path_unmounted(unmount_when_done); - } - if (copy) { - result = install_package(copy, wipe_cache, TEMPORARY_INSTALL_FILE); - free(copy); - } else { - result = INSTALL_ERROR; - } + // selected a zip file: return the malloc'd path to the caller. + result = strdup(new_path); break; } - } while (true); + } int i; for (i = 0; i < z_size; ++i) free(zips[i]); free(zips); free(headers); - if (unmount_when_done != NULL) { - ensure_path_unmounted(unmount_when_done); - } return result; } @@ -768,10 +661,14 @@ wipe_data(int confirm, Device* device) { device->WipeData(); erase_volume("/data"); erase_volume("/cache"); + erase_persistent_partition(); ui->Print("Data wipe complete.\n"); } -static void +// Return REBOOT, SHUTDOWN, or REBOOT_BOOTLOADER. Returning NO_ACTION +// means to take the default, which is to reboot or shutdown depending +// on if the --shutdown_after flag was passed to recovery. +static Device::BuiltinAction prompt_and_wait(Device* device, int status) { const char* const* headers = prepend_title(device->GetMenuHeaders()); @@ -795,27 +692,48 @@ prompt_and_wait(Device* device, int status) { // device-specific code may take some action here. It may // return one of the core actions handled in the switch // statement below. - chosen_item = device->InvokeMenuItem(chosen_item); + Device::BuiltinAction chosen_action = device->InvokeMenuItem(chosen_item); + + int wipe_cache = 0; + switch (chosen_action) { + case Device::NO_ACTION: + break; - int wipe_cache; - switch (chosen_item) { case Device::REBOOT: - return; + case Device::SHUTDOWN: + case Device::REBOOT_BOOTLOADER: + return chosen_action; case Device::WIPE_DATA: wipe_data(ui->IsTextVisible(), device); - if (!ui->IsTextVisible()) return; + if (!ui->IsTextVisible()) return Device::NO_ACTION; break; case Device::WIPE_CACHE: ui->Print("\n-- Wiping cache...\n"); erase_volume("/cache"); ui->Print("Cache wipe complete.\n"); - if (!ui->IsTextVisible()) return; + if (!ui->IsTextVisible()) return Device::NO_ACTION; break; - case Device::APPLY_EXT: - status = update_directory(SDCARD_ROOT, SDCARD_ROOT, &wipe_cache, device); + case Device::APPLY_EXT: { + ensure_path_mounted(SDCARD_ROOT); + char* path = browse_directory(SDCARD_ROOT, device); + if (path == NULL) { + ui->Print("\n-- No package file selected.\n", path); + break; + } + + ui->Print("\n-- Install %s ...\n", path); + set_sdcard_update_bootloader_message(); + void* token = start_sdcard_fuse(path); + + int status = install_package(FUSE_SIDELOAD_HOST_PATHNAME, &wipe_cache, + TEMPORARY_INSTALL_FILE, false); + + finish_sdcard_fuse(token); + ensure_path_unmounted(SDCARD_ROOT); + if (status == INSTALL_SUCCESS && wipe_cache) { ui->Print("\n-- Wiping cache (at package request)...\n"); if (erase_volume("/cache")) { @@ -824,39 +742,22 @@ prompt_and_wait(Device* device, int status) { ui->Print("Cache wipe complete.\n"); } } + if (status >= 0) { if (status != INSTALL_SUCCESS) { ui->SetBackground(RecoveryUI::ERROR); ui->Print("Installation aborted.\n"); } else if (!ui->IsTextVisible()) { - return; // reboot if logs aren't visible + return Device::NO_ACTION; // reboot if logs aren't visible } else { ui->Print("\nInstall from sdcard complete.\n"); } } break; + } case Device::APPLY_CACHE: - // Don't unmount cache at the end of this. - status = update_directory(CACHE_ROOT, NULL, &wipe_cache, device); - if (status == INSTALL_SUCCESS && wipe_cache) { - ui->Print("\n-- Wiping cache (at package request)...\n"); - if (erase_volume("/cache")) { - ui->Print("Cache wipe failed.\n"); - } else { - ui->Print("Cache wipe complete.\n"); - } - } - if (status >= 0) { - if (status != INSTALL_SUCCESS) { - ui->SetBackground(RecoveryUI::ERROR); - ui->Print("Installation aborted.\n"); - } else if (!ui->IsTextVisible()) { - return; // reboot if logs aren't visible - } else { - ui->Print("\nInstall from cache complete.\n"); - } - } + ui->Print("\nAPPLY_CACHE is deprecated.\n"); break; case Device::APPLY_ADB_SIDELOAD: @@ -867,7 +768,7 @@ prompt_and_wait(Device* device, int status) { ui->Print("Installation aborted.\n"); copy_logs(); } else if (!ui->IsTextVisible()) { - return; // reboot if logs aren't visible + return Device::NO_ACTION; // reboot if logs aren't visible } else { ui->Print("\nInstall from ADB complete.\n"); } @@ -939,7 +840,7 @@ main(int argc, char **argv) { return 0; } - printf("Starting recovery on %s", ctime(&start)); + printf("Starting recovery (pid %d) on %s", getpid(), ctime(&start)); load_volume_table(); ensure_path_mounted(LAST_LOG_FILE); @@ -971,6 +872,7 @@ main(int argc, char **argv) { break; } case 'p': shutdown_after = true; break; + case 'r': reason = optarg; break; case '?': LOGE("Invalid command argument\n"); continue; @@ -981,7 +883,8 @@ main(int argc, char **argv) { load_locale_from_cache(); } printf("locale is [%s]\n", locale); - printf("stage is [%s]\n", stage, stage); + printf("stage is [%s]\n", stage); + printf("reason is [%s]\n", reason); Device* device = make_device(); ui = device->GetUI(); @@ -1039,7 +942,7 @@ main(int argc, char **argv) { int status = INSTALL_SUCCESS; if (update_package != NULL) { - status = install_package(update_package, &wipe_cache, TEMPORARY_INSTALL_FILE); + status = install_package(update_package, &wipe_cache, TEMPORARY_INSTALL_FILE, true); if (status == INSTALL_SUCCESS && wipe_cache) { if (erase_volume("/cache")) { LOGE("Cache wipe (requested by package) failed."); @@ -1061,6 +964,7 @@ main(int argc, char **argv) { if (device->WipeData()) status = INSTALL_ERROR; if (erase_volume("/data")) status = INSTALL_ERROR; if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR; + if (erase_persistent_partition() == -1 ) status = INSTALL_ERROR; if (status != INSTALL_SUCCESS) ui->Print("Data wipe failed.\n"); } else if (wipe_cache) { if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR; @@ -1074,18 +978,31 @@ main(int argc, char **argv) { copy_logs(); ui->SetBackground(RecoveryUI::ERROR); } + Device::BuiltinAction after = shutdown_after ? Device::SHUTDOWN : Device::REBOOT; if (status != INSTALL_SUCCESS || ui->IsTextVisible()) { - prompt_and_wait(device, status); + Device::BuiltinAction temp = prompt_and_wait(device, status); + if (temp != Device::NO_ACTION) after = temp; } - // Otherwise, get ready to boot the main system... + // Save logs and clean up before rebooting or shutting down. finish_recovery(send_intent); - if (shutdown_after) { - ui->Print("Shutting down...\n"); - property_set(ANDROID_RB_PROPERTY, "shutdown,"); - } else { - ui->Print("Rebooting...\n"); - property_set(ANDROID_RB_PROPERTY, "reboot,"); + + switch (after) { + case Device::SHUTDOWN: + ui->Print("Shutting down...\n"); + property_set(ANDROID_RB_PROPERTY, "shutdown,"); + break; + + case Device::REBOOT_BOOTLOADER: + ui->Print("Rebooting to bootloader...\n"); + property_set(ANDROID_RB_PROPERTY, "reboot,bootloader"); + break; + + default: + ui->Print("Rebooting...\n"); + property_set(ANDROID_RB_PROPERTY, "reboot,"); + break; } + sleep(5); // should reboot before this finishes return EXIT_SUCCESS; } |