int GUIAction::mountsystemtoggle(std::string arg)
{
int op_status = 0;
bool remount_system = PartitionManager.Is_Mounted_By_Path("/system");
operation_start("Toggle System Mount");
if (!PartitionManager.UnMount_By_Path("/system", true)) {
op_status = 1; // fail
} else {
TWPartition* Part = PartitionManager.Find_Partition_By_Path("/system");
if (Part) {
if (arg == "0") {
DataManager::SetValue("tw_mount_system_ro", 0);
Part->Change_Mount_Read_Only(false);
} else {
DataManager::SetValue("tw_mount_system_ro", 1);
Part->Change_Mount_Read_Only(true);
}
if (remount_system) {
Part->Mount(true);
}
op_status = 0; // success
} else {
op_status = 1; // fail
}
}
operation_end(op_status);
return 0;
}
int GUIAction::checkpartitionlifetimewrites(std::string arg)
{
int op_status = 0;
TWPartition* sys = PartitionManager.Find_Partition_By_Path(arg);
operation_start("Check Partition Lifetime Writes");
if (sys) {
if (sys->Check_Lifetime_Writes() != 0)
DataManager::SetValue("tw_lifetime_writes", 1);
else
DataManager::SetValue("tw_lifetime_writes", 0);
op_status = 0; // success
} else {
DataManager::SetValue("tw_lifetime_writes", 1);
op_status = 1; // fail
}
operation_end(op_status);
return 0;
}
int GUIPartitionList::NotifyTouch(TOUCH_STATE state, int x, int y)
{
if(!isConditionTrue())
return -1;
static int lastY = 0, last2Y = 0;
int selection = 0;
switch (state)
{
case TOUCH_START:
if (scrollingSpeed != 0)
startSelection = -1;
else
startSelection = GetSelection(x,y);
isHighlighted = (startSelection > -1);
if (isHighlighted)
mUpdate = 1;
startY = lastY = last2Y = y;
scrollingSpeed = 0;
break;
case TOUCH_DRAG:
// Check if we dragged out of the selection window
if (GetSelection(x, y) == -1) {
last2Y = lastY = 0;
if (isHighlighted) {
isHighlighted = false;
mUpdate = 1;
}
break;
}
// Fast scroll
if(mFastScrollRectX != -1 && x >= mRenderX + mRenderW - mFastScrollW)
{
int pct = ((y-mRenderY-mHeaderH)*100)/(mRenderH-mHeaderH);
int totalSize = mList.size();
int lines = (mRenderH - mHeaderH) / (actualLineHeight);
float l = float((totalSize-lines)*pct)/100;
if(l + lines >= totalSize)
{
mStart = totalSize - lines;
scrollingY = 0;
}
else
{
mStart = l;
scrollingY = -(l - int(l))*actualLineHeight;
}
startSelection = -1;
mUpdate = 1;
scrollingSpeed = 0;
isHighlighted = false;
break;
}
// Provide some debounce on initial touches
if (startSelection != -1 && abs(y - startY) < touchDebounce) {
isHighlighted = true;
mUpdate = 1;
break;
}
isHighlighted = false;
last2Y = lastY;
lastY = y;
startSelection = -1;
// Handle scrolling
scrollingY += y - startY;
startY = y;
while(mStart && scrollingY > 0) {
mStart--;
scrollingY -= actualLineHeight;
}
if (mStart == 0 && scrollingY > 0)
scrollingY = 0;
{
int totalSize = mList.size();
int lines = (mRenderH - mHeaderH) / (actualLineHeight);
if (totalSize > lines) {
int bottom_offset = ((int)(mRenderH) - mHeaderH) - (lines * actualLineHeight);
bottom_offset -= actualLineHeight;
while (mStart + lines + (bottom_offset ? 1 : 0) < totalSize && abs(scrollingY) > actualLineHeight) {
mStart++;
scrollingY += actualLineHeight;
}
if (bottom_offset != 0 && mStart + lines + 1 >= totalSize && scrollingY <= bottom_offset) {
mStart = totalSize - lines - 1;
scrollingY = bottom_offset;
} else if (mStart + lines >= totalSize && scrollingY < 0) {
mStart = totalSize - lines;
scrollingY = 0;
}
} else
scrollingY = 0;
}
mUpdate = 1;
break;
case TOUCH_RELEASE:
isHighlighted = false;
if (startSelection >= 0)
{
// We've selected an item!
int listSize = mList.size();
int selectY = scrollingY, actualSelection = mStart;
// Move the selection to the proper place in the array
while (selectY + actualLineHeight < startSelection) {
selectY += actualLineHeight;
actualSelection++;
}
if (actualSelection < listSize && ListType == "mount") {
DataManager::Vibrate("tw_button_vibrate");
if (!mList.at(actualSelection).selected) {
if (PartitionManager.Mount_By_Path(mList.at(actualSelection).Mount_Point, true)) {
mList.at(actualSelection).selected = 1;
mUpdate = 1;
}
} else {
if (PartitionManager.UnMount_By_Path(mList.at(actualSelection).Mount_Point, true)) {
mList.at(actualSelection).selected = 0;
mUpdate = 1;
}
}
} else if (actualSelection < listSize && !mVariable.empty()) {
DataManager::Vibrate("tw_button_vibrate");
if (ListType == "storage") {
int i;
std::string str = mList.at(actualSelection).Mount_Point;
bool update_size = false;
TWPartition* Part = PartitionManager.Find_Partition_By_Path(str);
if (Part == NULL) {
LOGERR("Unable to locate partition for '%s'\n", str.c_str());
return 0;
}
if (!Part->Is_Mounted() && Part->Removable)
update_size = true;
if (!Part->Mount(true)) {
// Do Nothing
} else if (update_size && !Part->Update_Size(true)) {
// Do Nothing
} else {
for (i=0; i<listSize; i++)
mList.at(i).selected = 0;
if (update_size) {
char free_space[255];
sprintf(free_space, "%llu", Part->Free / 1024 / 1024);
mList.at(actualSelection).Display_Name = Part->Storage_Name + " (";
mList.at(actualSelection).Display_Name += free_space;
mList.at(actualSelection).Display_Name += "MB)";
}
mList.at(actualSelection).selected = 1;
mUpdate = 1;
DataManager::SetValue(mVariable, str);
}
} else {
if (mList.at(actualSelection).selected)
mList.at(actualSelection).selected = 0;
else
mList.at(actualSelection).selected = 1;
int i;
string variablelist;
for (i=0; i<listSize; i++) {
if (mList.at(i).selected) {
variablelist += mList.at(i).Mount_Point + ";";
}
}
mUpdate = 1;
if (selectedList.empty())
DataManager::SetValue(mVariable, variablelist);
else
DataManager::SetValue(selectedList, variablelist);
}
}
} else {
// This is for kinetic scrolling
scrollingSpeed = lastY - last2Y;
if (abs(scrollingSpeed) > SCROLLING_FLOOR)
scrollingSpeed *= SCROLLING_MULTIPLIER;
else
scrollingSpeed = 0;
}
case TOUCH_REPEAT:
case TOUCH_HOLD:
break;
}
return 0;
}
int GUIAction::getpartitiondetails(std::string arg)
{
string Wipe_List, wipe_path;
int count = 0;
DataManager::GetValue("tw_wipe_list", Wipe_List);
LOGINFO("getpartitiondetails list '%s'\n", Wipe_List.c_str());
if (!Wipe_List.empty()) {
size_t start_pos = 0, end_pos = Wipe_List.find(";", start_pos);
while (end_pos != string::npos && start_pos < Wipe_List.size()) {
wipe_path = Wipe_List.substr(start_pos, end_pos - start_pos);
LOGINFO("getpartitiondetails wipe_path '%s'\n", wipe_path.c_str());
if (wipe_path == "/and-sec" || wipe_path == "DALVIK" || wipe_path == "INTERNAL") {
// Do nothing
} else {
DataManager::SetValue("tw_partition_path", wipe_path);
break;
}
start_pos = end_pos + 1;
end_pos = Wipe_List.find(";", start_pos);
}
if (!wipe_path.empty()) {
TWPartition* Part = PartitionManager.Find_Partition_By_Path(wipe_path);
if (Part) {
unsigned long long mb = 1048576;
DataManager::SetValue("tw_partition_name", Part->Display_Name);
DataManager::SetValue("tw_partition_mount_point", Part->Mount_Point);
DataManager::SetValue("tw_partition_file_system", Part->Current_File_System);
DataManager::SetValue("tw_partition_size", Part->Size / mb);
DataManager::SetValue("tw_partition_used", Part->Used / mb);
DataManager::SetValue("tw_partition_free", Part->Free / mb);
DataManager::SetValue("tw_partition_backup_size", Part->Backup_Size / mb);
DataManager::SetValue("tw_partition_removable", Part->Removable);
DataManager::SetValue("tw_partition_is_present", Part->Is_Present);
if (Part->Can_Repair())
DataManager::SetValue("tw_partition_can_repair", 1);
else
DataManager::SetValue("tw_partition_can_repair", 0);
if (Part->Can_Resize())
DataManager::SetValue("tw_partition_can_resize", 1);
else
DataManager::SetValue("tw_partition_can_resize", 0);
if (TWFunc::Path_Exists("/sbin/mkdosfs"))
DataManager::SetValue("tw_partition_vfat", 1);
else
DataManager::SetValue("tw_partition_vfat", 0);
if (TWFunc::Path_Exists("/sbin/mkfs.exfat"))
DataManager::SetValue("tw_partition_exfat", 1);
else
DataManager::SetValue("tw_partition_exfat", 0);
if (TWFunc::Path_Exists("/sbin/mkfs.f2fs"))
DataManager::SetValue("tw_partition_f2fs", 1);
else
DataManager::SetValue("tw_partition_f2fs", 0);
if (TWFunc::Path_Exists("/sbin/mke2fs"))
DataManager::SetValue("tw_partition_ext", 1);
else
DataManager::SetValue("tw_partition_ext", 0);
return 0;
} else {
LOGERR("Unable to locate partition: '%s'\n", wipe_path.c_str());
}
}
}
DataManager::SetValue("tw_partition_name", "");
DataManager::SetValue("tw_partition_file_system", "");
return 0;
}
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);
signal(SIGPIPE, SIG_IGN);
// Handle ADB sideload
if (argc == 3 && strcmp(argv[1], "--adbd") == 0) {
property_set("ctl.stop", "adbd");
adb_main(argv[2]);
return 0;
}
#ifdef RECOVERY_SDCARD_ON_DATA
datamedia = true;
#endif
char crash_prop_val[PROPERTY_VALUE_MAX];
int crash_counter;
property_get("twrp.crash_counter", crash_prop_val, "-1");
crash_counter = atoi(crash_prop_val) + 1;
snprintf(crash_prop_val, sizeof(crash_prop_val), "%d", crash_counter);
property_set("twrp.crash_counter", crash_prop_val);
property_set("ro.twrp.boot", "1");
property_set("ro.twrp.version", TW_VERSION_STR);
time_t StartupTime = time(NULL);
printf("Starting TWRP %s on %s (pid %d)\n", TW_VERSION_STR, ctime(&StartupTime), getpid());
// 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");
if (TWFunc::Path_Exists("/etc/twrp.fstab")) {
if (TWFunc::Path_Exists("/etc/recovery.fstab")) {
printf("Renaming regular /etc/recovery.fstab -> /etc/recovery.fstab.bak\n");
rename("/etc/recovery.fstab", "/etc/recovery.fstab.bak");
}
printf("Moving /etc/twrp.fstab -> /etc/recovery.fstab\n");
rename("/etc/twrp.fstab", "/etc/recovery.fstab");
}
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();
#ifdef HAVE_SELINUX
if (TWFunc::Path_Exists("/prebuilt_file_contexts")) {
if (TWFunc::Path_Exists("/file_contexts")) {
printf("Renaming regular /file_contexts -> /file_contexts.bak\n");
rename("/file_contexts", "/file_contexts.bak");
}
printf("Moving /prebuilt_file_contexts -> /file_contexts\n");
rename("/prebuilt_file_contexts", "/file_contexts");
}
struct selinux_opt selinux_options[] = {
{ SELABEL_OPT_PATH, "/file_contexts" }
};
selinux_handle = selabel_open(SELABEL_CTX_FILE, selinux_options, 1);
if (!selinux_handle)
printf("No file contexts for SELinux\n");
else
printf("SELinux contexts loaded from /file_contexts\n");
{ // Check to ensure SELinux can be supported by the kernel
char *contexts = NULL;
if (PartitionManager.Mount_By_Path("/cache", true) && TWFunc::Path_Exists("/cache/recovery")) {
lgetfilecon("/cache/recovery", &contexts);
if (!contexts) {
lsetfilecon("/cache/recovery", "test");
lgetfilecon("/cache/recovery", &contexts);
}
} else {
LOGINFO("Could not check /cache/recovery SELinux contexts, using /sbin/teamwin instead which may be inaccurate.\n");
lgetfilecon("/sbin/teamwin", &contexts);
}
if (!contexts) {
gui_print_color("warning", "Kernel does not have support for reading SELinux contexts.\n");
} else {
free(contexts);
gui_print("Full SELinux support is present.\n");
}
}
#else
gui_print_color("warning", "No SELinux support (no libselinux).\n");
#endif
PartitionManager.Mount_By_Path("/cache", true);
string Zip_File, Reboot_Value;
bool Cache_Wipe = false, Factory_Reset = false, Perform_Backup = false, Shutdown = false;
{
TWPartition* misc = PartitionManager.Find_Partition_By_Path("/misc");
if (misc != NULL) {
if (misc->Current_File_System == "emmc") {
set_misc_device("emmc", misc->Actual_Block_Device.c_str());
} else if (misc->Current_File_System == "mtd") {
set_misc_device("mtd", misc->MTD_Name.c_str());
} else {
LOGERR("Unknown file system for /misc\n");
}
}
get_args(&argc, &argv);
int index, index2, len;
char* argptr;
char* ptr;
printf("Startup Commands: ");
for (index = 1; index < argc; index++) {
argptr = argv[index];
printf(" '%s'", argv[index]);
len = strlen(argv[index]);
if (*argptr == '-') {argptr++; len--;}
if (*argptr == '-') {argptr++; len--;}
if (*argptr == 'u') {
ptr = argptr;
index2 = 0;
while (*ptr != '=' && *ptr != '\n')
ptr++;
// skip the = before grabbing Zip_File
while (*ptr == '=')
ptr++;
if (*ptr) {
Zip_File = ptr;
} else
LOGERR("argument error specifying zip file\n");
} else if (*argptr == 'w') {
if (len == 9)
Factory_Reset = true;
else if (len == 10)
Cache_Wipe = true;
} else if (*argptr == 'n') {
Perform_Backup = true;
} else if (*argptr == 'p') {
Shutdown = true;
} else if (*argptr == 's') {
ptr = argptr;
index2 = 0;
while (*ptr != '=' && *ptr != '\n')
ptr++;
if (*ptr) {
Reboot_Value = *ptr;
}
}
}
printf("\n");
}
if(crash_counter == 0) {
property_list(Print_Prop, NULL);
printf("\n");
} else {
printf("twrp.crash_counter=%d\n", crash_counter);
}
// 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");
LOGINFO("Backing up TWRP ramdisk...\n");
if (Boot == NULL || Boot->Current_File_System != "emmc")
TWFunc::Exec_Cmd("injecttwrp --backup /tmp/backup_recovery_ramdisk.img");
else {
string injectcmd = "injecttwrp --backup /tmp/backup_recovery_ramdisk.img bd=" + Boot->Actual_Block_Device;
TWFunc::Exec_Cmd(injectcmd);
}
LOGINFO("Backup of TWRP ramdisk done.\n");
#endif
bool Keep_Going = true;
if (Perform_Backup) {
DataManager::SetValue(TW_BACKUP_NAME, "(Auto Generate)");
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", 1, 1) != 0) {
LOGERR("Failed to start decrypt GUI page.\n");
} else {
// Check for and load custom theme if present
gui_loadCustomResources();
}
} else if (datamedia) {
if (tw_get_default_metadata(DataManager::GetSettingsStoragePath().c_str()) != 0) {
LOGINFO("Failed to get default contexts and file mode for storage files.\n");
} else {
LOGINFO("Got default contexts and file mode for storage files.\n");
}
}
// Read the settings file
#ifdef TW_HAS_MTP
// We unmount partitions sometimes during early boot which may override
// the default of MTP being enabled by auto toggling MTP off. This
// will force it back to enabled then get overridden by the settings
// file, assuming that an entry for tw_mtp_enabled is set.
DataManager::SetValue("tw_mtp_enabled", 1);
#endif
DataManager::ReadSettingsFile();
// Fixup the RTC clock on devices which require it
if(crash_counter == 0)
TWFunc::Fixup_Time_On_Boot();
// 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();
}
#ifdef TW_HAS_MTP
// Enable MTP?
char mtp_crash_check[PROPERTY_VALUE_MAX];
property_get("mtp.crash_check", mtp_crash_check, "0");
if (strcmp(mtp_crash_check, "0") == 0) {
property_set("mtp.crash_check", "1");
if (DataManager::GetIntValue("tw_mtp_enabled") == 1 && ((DataManager::GetIntValue(TW_IS_ENCRYPTED) != 0 && DataManager::GetIntValue(TW_IS_DECRYPTED) != 0) || DataManager::GetIntValue(TW_IS_ENCRYPTED) == 0)) {
LOGINFO("Enabling MTP during startup\n");
if (!PartitionManager.Enable_MTP())
PartitionManager.Disable_MTP();
else
gui_print("MTP Enabled\n");
} else {
PartitionManager.Disable_MTP();
}
property_set("mtp.crash_check", "0");
} else {
gui_print_color("warning", "MTP Crashed, not starting MTP on boot.\n");
DataManager::SetValue("tw_mtp_enabled", 0);
PartitionManager.Disable_MTP();
}
#else
PartitionManager.Disable_MTP();
#endif
#ifndef TW_OEM_BUILD
// Check if system has never been changed
TWPartition* sys = PartitionManager.Find_Partition_By_Path("/system");
if (sys) {
if ((DataManager::GetIntValue("tw_mount_system_ro") == 0 && sys->Check_Lifetime_Writes() == 0) || DataManager::GetIntValue("tw_mount_system_ro") == 2) {
if (DataManager::GetIntValue("tw_never_show_system_ro_page") == 0) {
DataManager::SetValue("tw_back", "main");
if (gui_startPage("system_readonly", 1, 1) != 0) {
LOGERR("Failed to start system_readonly GUI page.\n");
}
} else if (DataManager::GetIntValue("tw_mount_system_ro") == 0) {
sys->Change_Mount_Read_Only(false);
}
} else if (DataManager::GetIntValue("tw_mount_system_ro") == 1) {
// Do nothing, user selected to leave system read only
} else {
sys->Change_Mount_Read_Only(false);
}
}
#endif
// Launch the main GUI
gui_start();
#ifndef TW_OEM_BUILD
// Disable flashing of stock recovery
TWFunc::Disable_Stock_Recovery_Replace();
// Check for su to see if the device is rooted or not
if (PartitionManager.Mount_By_Path("/system", false) && DataManager::GetIntValue("tw_mount_system_ro") == 0) {
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", 1, 1) != 0) {
LOGERR("Failed to start SuperSU install page.\n");
}
}
sync();
PartitionManager.UnMount_By_Path("/system", false);
}
#endif
// 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);
return 0;
}