diff options
Diffstat (limited to 'twrp.cpp')
| -rw-r--r-- | twrp.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/twrp.cpp b/twrp.cpp new file mode 100644 index 000000000..938a07adf --- /dev/null +++ b/twrp.cpp @@ -0,0 +1,241 @@ +/*
+ Copyright 2013 bigbiff/Dees_Troy TeamWin
+ This file is part of TWRP/TeamWin Recovery Project.
+
+ TWRP is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ TWRP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with TWRP. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "cutils/properties.h"
+extern "C" {
+#include "minadbd/adb.h"
+}
+
+#ifdef ANDROID_RB_RESTART
+#include "cutils/android_reboot.h"
+#else
+#include <sys/reboot.h>
+#endif
+
+extern "C" {
+#include "gui/gui.h"
+}
+#include "twcommon.h"
+#include "twrp-functions.hpp"
+#include "data.hpp"
+#include "partitions.hpp"
+#include "openrecoveryscript.hpp"
+#include "variables.h"
+
+TWPartitionManager PartitionManager;
+int Log_Offset;
+
+static void Print_Prop(const char *key, const char *name, void *cookie) {
+ printf("%s=%s\n", key, name);
+}
+
+int main(int argc, char **argv) {
+ // Recovery needs to install world-readable files, so clear umask
+ // set by init
+ umask(0);
+
+ Log_Offset = 0;
+
+ // Set up temporary log file (/tmp/recovery.log)
+ freopen(TMP_LOG_FILE, "a", stdout);
+ setbuf(stdout, NULL);
+ freopen(TMP_LOG_FILE, "a", stderr);
+ setbuf(stderr, NULL);
+
+ // Handle ADB sideload
+ if (argc == 3 && strcmp(argv[1], "--adbd") == 0) {
+ adb_main(argv[2]);
+ return 0;
+ }
+
+ time_t StartupTime = time(NULL);
+ printf("Starting TWRP %s on %s", TW_VERSION_STR, ctime(&StartupTime));
+
+ // Load default values to set DataManager constants and handle ifdefs
+ DataManager::SetDefaultValues();
+ printf("Starting the UI...");
+ gui_init();
+ printf("=> Linking mtab\n");
+ symlink("/proc/mounts", "/etc/mtab");
+ printf("=> Processing recovery.fstab\n");
+ if (!PartitionManager.Process_Fstab("/etc/recovery.fstab", 1)) {
+ LOGERR("Failing out of recovery due to problem with recovery.fstab.\n");
+ return -1;
+ }
+ PartitionManager.Output_Partition_Logging();
+ // Load up all the resources
+ gui_loadResources();
+
+ PartitionManager.Mount_By_Path("/cache", true);
+
+ string Zip_File, Reboot_Value;
+ bool Cache_Wipe = false, Factory_Reset = false, Perform_Backup = false;
+
+ int index, index2;
+ char* ptr;
+ printf("Startup Commands: ");
+ for (index = 1; index < argc; index++) {
+ printf(" '%s'", argv[index]);
+ if (*argv[index] == 'u') {
+ ptr = argv[index];
+ index2 = 0;
+ while (*ptr != '=' && *ptr != '\n')
+ ptr++;
+ if (*ptr) {
+ Zip_File = ptr;
+ } else
+ LOGERR("argument error specifying zip file\n");
+ } else if (*argv[index] == 'c') {
+ Cache_Wipe = true;
+ } else if (*argv[index] == 'w') {
+ Factory_Reset = true;
+ } else if (*argv[index] == 'n') {
+ Perform_Backup = true;
+ } else if (*argv[index] == 's') {
+ ptr = argv[index];
+ index2 = 0;
+ while (*ptr != '=' && *ptr != '\n')
+ ptr++;
+ if (*ptr) {
+ Reboot_Value = *ptr;
+ }
+ }
+ }
+
+ char twrp_booted[PROPERTY_VALUE_MAX];
+ property_get("ro.twrp.boot", twrp_booted, "0");
+ if (strcmp(twrp_booted, "0") != 0) {
+ property_list(Print_Prop, NULL);
+ printf("\n");
+ property_set("ro.twrp.boot", "1");
+ }
+
+ // Check for and run startup script if script exists
+ TWFunc::check_and_run_script("/sbin/runatboot.sh", "boot");
+ TWFunc::check_and_run_script("/sbin/postrecoveryboot.sh", "boot");
+
+#ifdef TW_INCLUDE_INJECTTWRP
+ // Back up TWRP Ramdisk if needed:
+ TWPartition* Boot = PartitionManager.Find_Partition_By_Path("/boot");
+ string result;
+ LOGINFO("Backing up TWRP ramdisk...\n");
+ if (Boot == NULL || Boot->Current_File_System != "emmc")
+ TWFunc::Exec_Cmd("injecttwrp --backup /tmp/backup_recovery_ramdisk.img", result);
+ else {
+ string injectcmd = "injecttwrp --backup /tmp/backup_recovery_ramdisk.img bd=" + Boot->Actual_Block_Device;
+ TWFunc::Exec_Cmd(injectcmd, result);
+ }
+ LOGINFO("Backup of TWRP ramdisk done.\n");
+#endif
+
+ bool Keep_Going = true;
+ if (Perform_Backup) {
+ DataManager::SetValue(TW_BACKUP_NAME, "(Current Date)");
+ if (!OpenRecoveryScript::Insert_ORS_Command("backup BSDCAE\n"))
+ Keep_Going = false;
+ }
+ if (Keep_Going && !Zip_File.empty()) {
+ string ORSCommand = "install " + Zip_File;
+
+ if (!OpenRecoveryScript::Insert_ORS_Command(ORSCommand))
+ Keep_Going = false;
+ }
+ if (Keep_Going) {
+ if (Factory_Reset) {
+ if (!OpenRecoveryScript::Insert_ORS_Command("wipe data\n"))
+ Keep_Going = false;
+ } else if (Cache_Wipe) {
+ if (!OpenRecoveryScript::Insert_ORS_Command("wipe cache\n"))
+ Keep_Going = false;
+ }
+ }
+
+ TWFunc::Update_Log_File();
+ // Offer to decrypt if the device is encrypted
+ if (DataManager::GetIntValue(TW_IS_ENCRYPTED) != 0) {
+ LOGINFO("Is encrypted, do decrypt page first\n");
+ if (gui_startPage("decrypt") != 0) {
+ LOGERR("Failed to start decrypt GUI page.\n");
+ }
+ }
+
+ // Read the settings file
+ DataManager::ReadSettingsFile();
+ // Run any outstanding OpenRecoveryScript
+ if (DataManager::GetIntValue(TW_IS_ENCRYPTED) == 0 && (TWFunc::Path_Exists(SCRIPT_FILE_TMP) || TWFunc::Path_Exists(SCRIPT_FILE_CACHE))) {
+ OpenRecoveryScript::Run_OpenRecoveryScript();
+ }
+ // Launch the main GUI
+ gui_start();
+
+ // Check for su to see if the device is rooted or not
+ if (PartitionManager.Mount_By_Path("/system", false)) {
+ // Disable flashing of stock recovery
+ if (TWFunc::Path_Exists("/system/recovery-from-boot.p")) {
+ rename("/system/recovery-from-boot.p", "/system/recovery-from-boot.bak");
+ gui_print("Renamed stock recovery file in /system to prevent\nthe stock ROM from replacing TWRP.\n");
+ }
+ if (TWFunc::Path_Exists("/supersu/su") && !TWFunc::Path_Exists("/system/bin/su") && !TWFunc::Path_Exists("/system/xbin/su") && !TWFunc::Path_Exists("/system/bin/.ext/.su")) {
+ // Device doesn't have su installed
+ DataManager::SetValue("tw_busy", 1);
+ if (gui_startPage("installsu") != 0) {
+ LOGERR("Failed to start decrypt GUI page.\n");
+ }
+ } else if (TWFunc::Check_su_Perms() > 0) {
+ // su perms are set incorrectly
+ DataManager::SetValue("tw_busy", 1);
+ if (gui_startPage("fixsu") != 0) {
+ LOGERR("Failed to start decrypt GUI page.\n");
+ }
+ }
+ sync();
+ PartitionManager.UnMount_By_Path("/system", false);
+ }
+
+ // Reboot
+ TWFunc::Update_Intent_File(Reboot_Value);
+ TWFunc::Update_Log_File();
+ gui_print("Rebooting...\n");
+ string Reboot_Arg;
+ DataManager::GetValue("tw_reboot_arg", Reboot_Arg);
+ if (Reboot_Arg == "recovery")
+ TWFunc::tw_reboot(rb_recovery);
+ else if (Reboot_Arg == "poweroff")
+ TWFunc::tw_reboot(rb_poweroff);
+ else if (Reboot_Arg == "bootloader")
+ TWFunc::tw_reboot(rb_bootloader);
+ else if (Reboot_Arg == "download")
+ TWFunc::tw_reboot(rb_download);
+ else
+ TWFunc::tw_reboot(rb_system);
+
+#ifdef ANDROID_RB_RESTART
+ android_reboot(ANDROID_RB_RESTART, 0, 0);
+#else
+ reboot(RB_AUTOBOOT);
+#endif
+ return 0;
+}
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