| /* |
| * Copyright (C) 2007 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 <getopt.h> |
| #include <limits.h> |
| #include <linux/input.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <time.h> |
| #include <unistd.h> |
| #include <dirent.h> |
| |
| #include "bootloader.h" |
| #include "common.h" |
| #include "cutils/properties.h" |
| #include "cutils/android_reboot.h" |
| #include "install.h" |
| #include "minui/minui.h" |
| #include "minzip/DirUtil.h" |
| #include "roots.h" |
| #include "ui.h" |
| #include "screen_ui.h" |
| #include "device.h" |
| #include "adb_install.h" |
| extern "C" { |
| #include "minadbd/adb.h" |
| } |
| |
| struct selabel_handle *sehandle; |
| |
| static const struct option OPTIONS[] = { |
| { "send_intent", required_argument, NULL, 's' }, |
| { "update_package", required_argument, NULL, 'u' }, |
| { "wipe_data", no_argument, NULL, 'w' }, |
| { "wipe_cache", no_argument, NULL, 'c' }, |
| { "show_text", no_argument, NULL, 't' }, |
| { "just_exit", no_argument, NULL, 'x' }, |
| { NULL, 0, NULL, 0 }, |
| }; |
| |
| static const char *COMMAND_FILE = "/cache/recovery/command"; |
| static const char *INTENT_FILE = "/cache/recovery/intent"; |
| static const char *LOG_FILE = "/cache/recovery/log"; |
| static const char *LAST_LOG_FILE = "/cache/recovery/last_log"; |
| static const char *LAST_INSTALL_FILE = "/cache/recovery/last_install"; |
| 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; |
| |
| /* |
| * The recovery tool communicates with the main system through /cache files. |
| * /cache/recovery/command - INPUT - command line for tool, one arg per line |
| * /cache/recovery/log - OUTPUT - combined log file from recovery run(s) |
| * /cache/recovery/intent - OUTPUT - intent that was passed in |
| * |
| * The arguments which may be supplied in the recovery.command file: |
| * --send_intent=anystring - write the text out to recovery.intent |
| * --update_package=path - verify install an OTA package file |
| * --wipe_data - erase user data (and cache), then reboot |
| * --wipe_cache - wipe cache (but not user data), then reboot |
| * --set_encrypted_filesystem=on|off - enables / diasables encrypted fs |
| * --just_exit - do nothing; exit and reboot |
| * |
| * After completing, we remove /cache/recovery/command and reboot. |
| * Arguments may also be supplied in the bootloader control block (BCB). |
| * These important scenarios must be safely restartable at any point: |
| * |
| * FACTORY RESET |
| * 1. user selects "factory reset" |
| * 2. main system writes "--wipe_data" to /cache/recovery/command |
| * 3. main system reboots into recovery |
| * 4. get_args() writes BCB with "boot-recovery" and "--wipe_data" |
| * -- after this, rebooting will restart the erase -- |
| * 5. erase_volume() reformats /data |
| * 6. erase_volume() reformats /cache |
| * 7. finish_recovery() erases BCB |
| * -- after this, rebooting will restart the main system -- |
| * 8. main() calls reboot() to boot main system |
| * |
| * OTA INSTALL |
| * 1. main system downloads OTA package to /cache/some-filename.zip |
| * 2. main system writes "--update_package=/cache/some-filename.zip" |
| * 3. main system reboots into recovery |
| * 4. get_args() writes BCB with "boot-recovery" and "--update_package=..." |
| * -- after this, rebooting will attempt to reinstall the update -- |
| * 5. install_package() attempts to install the update |
| * NOTE: the package install must itself be restartable from any point |
| * 6. finish_recovery() erases BCB |
| * -- after this, rebooting will (try to) restart the main system -- |
| * 7. ** if install failed ** |
| * 7a. prompt_and_wait() shows an error icon and waits for the user |
| * 7b; the user reboots (pulling the battery, etc) into the main system |
| * 8. main() calls maybe_install_firmware_update() |
| * ** if the update contained radio/hboot firmware **: |
| * 8a. m_i_f_u() writes BCB with "boot-recovery" and "--wipe_cache" |
| * -- after this, rebooting will reformat cache & restart main system -- |
| * 8b. m_i_f_u() writes firmware image into raw cache partition |
| * 8c. m_i_f_u() writes BCB with "update-radio/hboot" and "--wipe_cache" |
| * -- after this, rebooting will attempt to reinstall firmware -- |
| * 8d. bootloader tries to flash firmware |
| * 8e. bootloader writes BCB with "boot-recovery" (keeping "--wipe_cache") |
| * -- after this, rebooting will reformat cache & restart main system -- |
| * 8f. erase_volume() reformats /cache |
| * 8g. finish_recovery() erases BCB |
| * -- after this, rebooting will (try to) restart the main system -- |
| * 9. main() calls reboot() to boot main system |
| */ |
| |
| static const int MAX_ARG_LENGTH = 4096; |
| static const int MAX_ARGS = 100; |
| |
| // open a given path, mounting partitions as necessary |
| FILE* |
| fopen_path(const char *path, const char *mode) { |
| if (ensure_path_mounted(path) != 0) { |
| LOGE("Can't mount %s\n", path); |
| return NULL; |
| } |
| |
| // When writing, try to create the containing directory, if necessary. |
| // Use generous permissions, the system (init.rc) will reset them. |
| if (strchr("wa", mode[0])) dirCreateHierarchy(path, 0777, NULL, 1, sehandle); |
| |
| FILE *fp = fopen(path, mode); |
| return fp; |
| } |
| |
| // close a file, log an error if the error indicator is set |
| static void |
| check_and_fclose(FILE *fp, const char *name) { |
| fflush(fp); |
| if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno)); |
| fclose(fp); |
| } |
| |
| // command line args come from, in decreasing precedence: |
| // - the actual command line |
| // - the bootloader control block (one per line, after "recovery") |
| // - the contents of COMMAND_FILE (one per line) |
| static void |
| get_args(int *argc, char ***argv) { |
| struct bootloader_message boot; |
| memset(&boot, 0, sizeof(boot)); |
| get_bootloader_message(&boot); // this may fail, leaving a zeroed structure |
| |
| if (boot.command[0] != 0 && boot.command[0] != 255) { |
| LOGI("Boot command: %.*s\n", sizeof(boot.command), boot.command); |
| } |
| |
| if (boot.status[0] != 0 && boot.status[0] != 255) { |
| LOGI("Boot status: %.*s\n", sizeof(boot.status), boot.status); |
| } |
| |
| // --- if arguments weren't supplied, look in the bootloader control block |
| if (*argc <= 1) { |
| boot.recovery[sizeof(boot.recovery) - 1] = '\0'; // Ensure termination |
| const char *arg = strtok(boot.recovery, "\n"); |
| if (arg != NULL && !strcmp(arg, "recovery")) { |
| *argv = (char **) malloc(sizeof(char *) * MAX_ARGS); |
| (*argv)[0] = strdup(arg); |
| for (*argc = 1; *argc < MAX_ARGS; ++*argc) { |
| if ((arg = strtok(NULL, "\n")) == NULL) break; |
| (*argv)[*argc] = strdup(arg); |
| } |
| LOGI("Got arguments from boot message\n"); |
| } else if (boot.recovery[0] != 0 && boot.recovery[0] != 255) { |
| LOGE("Bad boot message\n\"%.20s\"\n", boot.recovery); |
| } |
| } |
| |
| // --- if that doesn't work, try the command file |
| if (*argc <= 1) { |
| FILE *fp = fopen_path(COMMAND_FILE, "r"); |
| if (fp != NULL) { |
| char *argv0 = (*argv)[0]; |
| *argv = (char **) malloc(sizeof(char *) * MAX_ARGS); |
| (*argv)[0] = argv0; // use the same program name |
| |
| char buf[MAX_ARG_LENGTH]; |
| for (*argc = 1; *argc < MAX_ARGS; ++*argc) { |
| if (!fgets(buf, sizeof(buf), fp)) break; |
| (*argv)[*argc] = strdup(strtok(buf, "\r\n")); // Strip newline. |
| } |
| |
| check_and_fclose(fp, COMMAND_FILE); |
| LOGI("Got arguments from %s\n", COMMAND_FILE); |
| } |
| } |
| |
| // --> write the arguments we have back into the bootloader control block |
| // always boot into recovery after this (until finish_recovery() is called) |
| strlcpy(boot.command, "boot-recovery", sizeof(boot.command)); |
| strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery)); |
| int i; |
| for (i = 1; i < *argc; ++i) { |
| strlcat(boot.recovery, (*argv)[i], sizeof(boot.recovery)); |
| strlcat(boot.recovery, "\n", sizeof(boot.recovery)); |
| } |
| set_bootloader_message(&boot); |
| } |
| |
| static void |
| set_sdcard_update_bootloader_message() { |
| struct bootloader_message boot; |
| memset(&boot, 0, sizeof(boot)); |
| strlcpy(boot.command, "boot-recovery", sizeof(boot.command)); |
| strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery)); |
| set_bootloader_message(&boot); |
| } |
| |
| // How much of the temp log we have copied to the copy in cache. |
| static long tmplog_offset = 0; |
| |
| static void |
| copy_log_file(const char* source, const char* destination, int append) { |
| FILE *log = fopen_path(destination, append ? "a" : "w"); |
| if (log == NULL) { |
| LOGE("Can't open %s\n", destination); |
| } else { |
| FILE *tmplog = fopen(source, "r"); |
| if (tmplog != NULL) { |
| if (append) { |
| fseek(tmplog, tmplog_offset, SEEK_SET); // Since last write |
| } |
| char buf[4096]; |
| while (fgets(buf, sizeof(buf), tmplog)) fputs(buf, log); |
| if (append) { |
| tmplog_offset = ftell(tmplog); |
| } |
| check_and_fclose(tmplog, source); |
| } |
| check_and_fclose(log, destination); |
| } |
| } |
| |
| |
| // clear the recovery command and prepare to boot a (hopefully working) system, |
| // copy our log file to cache as well (for the system to read), and |
| // record any intent we were asked to communicate back to the system. |
| // this function is idempotent: call it as many times as you like. |
| static void |
| finish_recovery(const char *send_intent) { |
| // By this point, we're ready to return to the main system... |
| if (send_intent != NULL) { |
| FILE *fp = fopen_path(INTENT_FILE, "w"); |
| if (fp == NULL) { |
| LOGE("Can't open %s\n", INTENT_FILE); |
| } else { |
| fputs(send_intent, fp); |
| check_and_fclose(fp, INTENT_FILE); |
| } |
| } |
| |
| // Copy logs to cache so the system can find out what happened. |
| copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true); |
| copy_log_file(TEMPORARY_LOG_FILE, LAST_LOG_FILE, false); |
| copy_log_file(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE, false); |
| chmod(LOG_FILE, 0600); |
| chown(LOG_FILE, 1000, 1000); // system user |
| chmod(LAST_LOG_FILE, 0640); |
| chmod(LAST_INSTALL_FILE, 0644); |
| |
| // Reset to normal system boot so recovery won't cycle indefinitely. |
| struct bootloader_message boot; |
| memset(&boot, 0, sizeof(boot)); |
| set_bootloader_message(&boot); |
| |
| // Remove the command file, so recovery won't repeat indefinitely. |
| if (ensure_path_mounted(COMMAND_FILE) != 0 || |
| (unlink(COMMAND_FILE) && errno != ENOENT)) { |
| LOGW("Can't unlink %s\n", COMMAND_FILE); |
| } |
| |
| ensure_path_unmounted(CACHE_ROOT); |
| sync(); // For good measure. |
| } |
| |
| static int |
| erase_volume(const char *volume) { |
| ui->SetBackground(RecoveryUI::INSTALLING); |
| ui->SetProgressType(RecoveryUI::INDETERMINATE); |
| ui->Print("Formatting %s...\n", volume); |
| |
| ensure_path_unmounted(volume); |
| |
| if (strcmp(volume, "/cache") == 0) { |
| // Any part of the log we'd copied to cache is now gone. |
| // Reset the pointer so we copy from the beginning of the temp |
| // log. |
| tmplog_offset = 0; |
| } |
| |
| return format_volume(volume); |
| } |
| |
| 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) { |
| const char* title[] = { "Android system recovery <" |
| EXPAND(RECOVERY_API_VERSION) "e>", |
| "", |
| NULL }; |
| |
| // count the number of lines in our title, plus the |
| // caller-provided headers. |
| int count = 0; |
| const char* const* p; |
| for (p = title; *p; ++p, ++count); |
| for (p = headers; *p; ++p, ++count); |
| |
| const char** new_headers = (const char**)malloc((count+1) * sizeof(char*)); |
| const char** h = new_headers; |
| for (p = title; *p; ++p, ++h) *h = *p; |
| for (p = headers; *p; ++p, ++h) *h = *p; |
| *h = NULL; |
| |
| return new_headers; |
| } |
| |
| static int |
| get_menu_selection(const char* const * headers, const char* const * items, |
| int menu_only, int initial_selection, Device* device) { |
| // throw away keys pressed previously, so user doesn't |
| // accidentally trigger menu items. |
| ui->FlushKeys(); |
| |
| ui->StartMenu(headers, items, initial_selection); |
| int selected = initial_selection; |
| int chosen_item = -1; |
| |
| while (chosen_item < 0) { |
| int key = ui->WaitKey(); |
| int visible = ui->IsTextVisible(); |
| |
| if (key == -1) { // ui_wait_key() timed out |
| if (ui->WasTextEverVisible()) { |
| continue; |
| } else { |
| LOGI("timed out waiting for key input; rebooting.\n"); |
| ui->EndMenu(); |
| return 0; // XXX fixme |
| } |
| } |
| |
| int action = device->HandleMenuKey(key, visible); |
| |
| if (action < 0) { |
| switch (action) { |
| case Device::kHighlightUp: |
| --selected; |
| selected = ui->SelectMenu(selected); |
| break; |
| case Device::kHighlightDown: |
| ++selected; |
| selected = ui->SelectMenu(selected); |
| break; |
| case Device::kInvokeItem: |
| chosen_item = selected; |
| break; |
| case Device::kNoAction: |
| break; |
| } |
| } else if (!menu_only) { |
| chosen_item = action; |
| } |
| } |
| |
| ui->EndMenu(); |
| return chosen_item; |
| } |
| |
| 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) { |
| ensure_path_mounted(path); |
| |
| const char* MENU_HEADERS[] = { "Choose a package to install:", |
| path, |
| "", |
| NULL }; |
| DIR* d; |
| struct dirent* de; |
| 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; |
| } |
| |
| const char** headers = prepend_title(MENU_HEADERS); |
| |
| int d_size = 0; |
| int d_alloc = 10; |
| char** dirs = (char**)malloc(d_alloc * sizeof(char*)); |
| int z_size = 1; |
| int z_alloc = 10; |
| char** zips = (char**)malloc(z_alloc * sizeof(char*)); |
| zips[0] = strdup("../"); |
| |
| while ((de = readdir(d)) != NULL) { |
| int name_len = strlen(de->d_name); |
| |
| if (de->d_type == DT_DIR) { |
| // skip "." and ".." entries |
| if (name_len == 1 && de->d_name[0] == '.') continue; |
| if (name_len == 2 && de->d_name[0] == '.' && |
| de->d_name[1] == '.') continue; |
| |
| if (d_size >= d_alloc) { |
| d_alloc *= 2; |
| dirs = (char**)realloc(dirs, d_alloc * sizeof(char*)); |
| } |
| dirs[d_size] = (char*)malloc(name_len + 2); |
| strcpy(dirs[d_size], de->d_name); |
| dirs[d_size][name_len] = '/'; |
| dirs[d_size][name_len+1] = '\0'; |
| ++d_size; |
| } else if (de->d_type == DT_REG && |
| name_len >= 4 && |
| strncasecmp(de->d_name + (name_len-4), ".zip", 4) == 0) { |
| if (z_size >= z_alloc) { |
| z_alloc *= 2; |
| zips = (char**)realloc(zips, z_alloc * sizeof(char*)); |
| } |
| zips[z_size++] = strdup(de->d_name); |
| } |
| } |
| closedir(d); |
| |
| qsort(dirs, d_size, sizeof(char*), compare_string); |
| qsort(zips, z_size, sizeof(char*), compare_string); |
| |
| // append dirs to the zips list |
| if (d_size + z_size + 1 > z_alloc) { |
| z_alloc = d_size + z_size + 1; |
| zips = (char**)realloc(zips, z_alloc * sizeof(char*)); |
| } |
| memcpy(zips + z_size, dirs, d_size * sizeof(char*)); |
| free(dirs); |
| z_size += d_size; |
| zips[z_size] = NULL; |
| |
| int result; |
| int chosen_item = 0; |
| do { |
| 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; |
| break; |
| } else 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; |
| } 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; |
| } |
| 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; |
| } |
| |
| static void |
| wipe_data(int confirm, Device* device) { |
| if (confirm) { |
| static const char** title_headers = NULL; |
| |
| if (title_headers == NULL) { |
| const char* headers[] = { "Confirm wipe of all user data?", |
| " THIS CAN NOT BE UNDONE.", |
| "", |
| NULL }; |
| title_headers = prepend_title((const char**)headers); |
| } |
| |
| const char* items[] = { " No", |
| " No", |
| " No", |
| " No", |
| " No", |
| " No", |
| " No", |
| " Yes -- delete all user data", // [7] |
| " No", |
| " No", |
| " No", |
| NULL }; |
| |
| int chosen_item = get_menu_selection(title_headers, items, 1, 0, device); |
| if (chosen_item != 7) { |
| return; |
| } |
| } |
| |
| ui->Print("\n-- Wiping data...\n"); |
| device->WipeData(); |
| erase_volume("/data"); |
| erase_volume("/cache"); |
| ui->Print("Data wipe complete.\n"); |
| } |
| |
| static void |
| prompt_and_wait(Device* device) { |
| const char* const* headers = prepend_title(device->GetMenuHeaders()); |
| |
| for (;;) { |
| finish_recovery(NULL); |
| ui->SetProgressType(RecoveryUI::EMPTY); |
| |
| int chosen_item = get_menu_selection(headers, device->GetMenuItems(), 0, 0, device); |
| |
| // 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); |
| |
| int status; |
| int wipe_cache; |
| switch (chosen_item) { |
| case Device::REBOOT: |
| return; |
| |
| case Device::WIPE_DATA: |
| wipe_data(ui->IsTextVisible(), device); |
| if (!ui->IsTextVisible()) return; |
| break; |
| |
| case Device::WIPE_CACHE: |
| ui->Print("\n-- Wiping cache...\n"); |
| erase_volume("/cache"); |
| ui->Print("Cache wipe complete.\n"); |
| if (!ui->IsTextVisible()) return; |
| break; |
| |
| case Device::APPLY_EXT: |
| // Some packages expect /cache to be mounted (eg, |
| // standard incremental packages expect to use /cache |
| // as scratch space). |
| ensure_path_mounted(CACHE_ROOT); |
| status = update_directory(SDCARD_ROOT, SDCARD_ROOT, &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 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"); |
| } |
| } |
| break; |
| |
| case Device::APPLY_ADB_SIDELOAD: |
| ensure_path_mounted(CACHE_ROOT); |
| status = apply_from_adb(ui, &wipe_cache, TEMPORARY_INSTALL_FILE); |
| 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 ADB complete.\n"); |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| static void |
| print_property(const char *key, const char *name, void *cookie) { |
| printf("%s=%s\n", key, name); |
| } |
| |
| int |
| main(int argc, char **argv) { |
| time_t start = time(NULL); |
| |
| // If these fail, there's not really anywhere to complain... |
| freopen(TEMPORARY_LOG_FILE, "a", stdout); setbuf(stdout, NULL); |
| freopen(TEMPORARY_LOG_FILE, "a", stderr); setbuf(stderr, NULL); |
| |
| // If this binary is started with the single argument "--adbd", |
| // instead of being the normal recovery binary, it turns into kind |
| // of a stripped-down version of adbd that only supports the |
| // 'sideload' command. Note this must be a real argument, not |
| // anything in the command file or bootloader control block; the |
| // only way recovery should be run with this argument is when it |
| // starts a copy of itself from the apply_from_adb() function. |
| if (argc == 2 && strcmp(argv[1], "--adbd") == 0) { |
| adb_main(); |
| return 0; |
| } |
| |
| printf("Starting recovery on %s", ctime(&start)); |
| |
| Device* device = make_device(); |
| ui = device->GetUI(); |
| |
| ui->Init(); |
| ui->SetBackground(RecoveryUI::NONE); |
| load_volume_table(); |
| get_args(&argc, &argv); |
| |
| int previous_runs = 0; |
| const char *send_intent = NULL; |
| const char *update_package = NULL; |
| int wipe_data = 0, wipe_cache = 0; |
| bool just_exit = false; |
| |
| int arg; |
| while ((arg = getopt_long(argc, argv, "", OPTIONS, NULL)) != -1) { |
| switch (arg) { |
| case 'p': previous_runs = atoi(optarg); break; |
| case 's': send_intent = optarg; break; |
| case 'u': update_package = optarg; break; |
| case 'w': wipe_data = wipe_cache = 1; break; |
| case 'c': wipe_cache = 1; break; |
| case 't': ui->ShowText(true); break; |
| case 'x': just_exit = true; break; |
| case '?': |
| LOGE("Invalid command argument\n"); |
| continue; |
| } |
| } |
| |
| #ifdef HAVE_SELINUX |
| struct selinux_opt seopts[] = { |
| { SELABEL_OPT_PATH, "/file_contexts" } |
| }; |
| |
| sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1); |
| |
| if (!sehandle) { |
| fprintf(stderr, "Warning: No file_contexts\n"); |
| ui->Print("Warning: No file_contexts\n"); |
| } |
| #endif |
| |
| device->StartRecovery(); |
| |
| printf("Command:"); |
| for (arg = 0; arg < argc; arg++) { |
| printf(" \"%s\"", argv[arg]); |
| } |
| printf("\n"); |
| |
| if (update_package) { |
| // For backwards compatibility on the cache partition only, if |
| // we're given an old 'root' path "CACHE:foo", change it to |
| // "/cache/foo". |
| if (strncmp(update_package, "CACHE:", 6) == 0) { |
| int len = strlen(update_package) + 10; |
| char* modified_path = (char*)malloc(len); |
| strlcpy(modified_path, "/cache/", len); |
| strlcat(modified_path, update_package+6, len); |
| printf("(replacing path \"%s\" with \"%s\")\n", |
| update_package, modified_path); |
| update_package = modified_path; |
| } |
| } |
| printf("\n"); |
| |
| property_list(print_property, NULL); |
| printf("\n"); |
| |
| int status = INSTALL_SUCCESS; |
| |
| if (update_package != NULL) { |
| status = install_package(update_package, &wipe_cache, TEMPORARY_INSTALL_FILE); |
| if (status == INSTALL_SUCCESS && wipe_cache) { |
| if (erase_volume("/cache")) { |
| LOGE("Cache wipe (requested by package) failed."); |
| } |
| } |
| if (status != INSTALL_SUCCESS) ui->Print("Installation aborted.\n"); |
| } else if (wipe_data) { |
| if (device->WipeData()) status = INSTALL_ERROR; |
| if (erase_volume("/data")) status = INSTALL_ERROR; |
| if (wipe_cache && erase_volume("/cache")) 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; |
| if (status != INSTALL_SUCCESS) ui->Print("Cache wipe failed.\n"); |
| } else if (!just_exit) { |
| status = INSTALL_ERROR; // No command specified |
| } |
| |
| if (status != INSTALL_SUCCESS) ui->SetBackground(RecoveryUI::ERROR); |
| if (status != INSTALL_SUCCESS || ui->IsTextVisible()) { |
| prompt_and_wait(device); |
| } |
| |
| // Otherwise, get ready to boot the main system... |
| finish_recovery(send_intent); |
| ui->Print("Rebooting...\n"); |
| android_reboot(ANDROID_RB_RESTART, 0, 0); |
| return EXIT_SUCCESS; |
| } |
