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Diffstat (limited to 'partitionmanager.cpp')
-rw-r--r-- | partitionmanager.cpp | 2249 |
1 files changed, 2249 insertions, 0 deletions
diff --git a/partitionmanager.cpp b/partitionmanager.cpp new file mode 100644 index 000000000..f967edfbc --- /dev/null +++ b/partitionmanager.cpp @@ -0,0 +1,2249 @@ +/* + Copyright 2014 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/vfs.h> +#include <unistd.h> +#include <vector> +#include <dirent.h> +#include <time.h> +#include <errno.h> +#include <fcntl.h> +#include <iostream> +#include <iomanip> +#include <sys/wait.h> +#include "variables.h" +#include "twcommon.h" +#include "partitions.hpp" +#include "data.hpp" +#include "twrp-functions.hpp" +#include "fixPermissions.hpp" +#include "twrpDigest.hpp" +#include "twrpDU.hpp" +#include "set_metadata.h" +#include "tw_atomic.hpp" + +#ifdef TW_HAS_MTP +#include "mtp/mtp_MtpServer.hpp" +#include "mtp/twrpMtp.hpp" +#include "mtp/MtpMessage.hpp" +#endif + +extern "C" { + #include "cutils/properties.h" +} + +#ifdef TW_INCLUDE_CRYPTO + #include "crypto/lollipop/cryptfs.h" +#endif + +extern bool datamedia; + +TWPartitionManager::TWPartitionManager(void) { + mtp_was_enabled = false; + mtp_write_fd = -1; + stop_backup.set_value(0); + tar_fork_pid = 0; +} + +int TWPartitionManager::Process_Fstab(string Fstab_Filename, bool Display_Error) { + FILE *fstabFile; + char fstab_line[MAX_FSTAB_LINE_LENGTH]; + TWPartition* settings_partition = NULL; + TWPartition* andsec_partition = NULL; + unsigned int storageid = 1 << 16; // upper 16 bits are for physical storage device, we pretend to have only one + + fstabFile = fopen(Fstab_Filename.c_str(), "rt"); + if (fstabFile == NULL) { + LOGERR("Critical Error: Unable to open fstab at '%s'.\n", Fstab_Filename.c_str()); + return false; + } + + while (fgets(fstab_line, sizeof(fstab_line), fstabFile) != NULL) { + if (fstab_line[0] != '/') + continue; + + if (fstab_line[strlen(fstab_line) - 1] != '\n') + fstab_line[strlen(fstab_line)] = '\n'; + TWPartition* partition = new TWPartition(); + string line = fstab_line; + memset(fstab_line, 0, sizeof(fstab_line)); + + if (partition->Process_Fstab_Line(line, Display_Error)) { + if (partition->Is_Storage) { + ++storageid; + partition->MTP_Storage_ID = storageid; + } + if (!settings_partition && partition->Is_Settings_Storage && partition->Is_Present) { + settings_partition = partition; + } else { + partition->Is_Settings_Storage = false; + } + if (!andsec_partition && partition->Has_Android_Secure && partition->Is_Present) { + andsec_partition = partition; + } else { + partition->Has_Android_Secure = false; + } + Partitions.push_back(partition); + } else { + delete partition; + } + } + fclose(fstabFile); + if (!datamedia && !settings_partition && Find_Partition_By_Path("/sdcard") == NULL && Find_Partition_By_Path("/internal_sd") == NULL && Find_Partition_By_Path("/internal_sdcard") == NULL && Find_Partition_By_Path("/emmc") == NULL) { + // Attempt to automatically identify /data/media emulated storage devices + TWPartition* Dat = Find_Partition_By_Path("/data"); + if (Dat) { + LOGINFO("Using automatic handling for /data/media emulated storage device.\n"); + datamedia = true; + Dat->Setup_Data_Media(); + settings_partition = Dat; + // Since /data was not considered a storage partition earlier, we still need to assign an MTP ID + ++storageid; + Dat->MTP_Storage_ID = storageid; + } + } + if (!settings_partition) { + std::vector<TWPartition*>::iterator iter; + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage) { + settings_partition = (*iter); + break; + } + } + if (!settings_partition) + LOGERR("Unable to locate storage partition for storing settings file.\n"); + } + if (!Write_Fstab()) { + if (Display_Error) + LOGERR("Error creating fstab\n"); + else + LOGINFO("Error creating fstab\n"); + } + + if (andsec_partition) { + Setup_Android_Secure_Location(andsec_partition); + } else if (settings_partition) { + Setup_Android_Secure_Location(settings_partition); + } + if (settings_partition) { + Setup_Settings_Storage_Partition(settings_partition); + } +#ifdef TW_INCLUDE_CRYPTO + TWPartition* Decrypt_Data = Find_Partition_By_Path("/data"); + if (Decrypt_Data && Decrypt_Data->Is_Encrypted && !Decrypt_Data->Is_Decrypted) { + int password_type = cryptfs_get_password_type(); + if (password_type == CRYPT_TYPE_DEFAULT) { + LOGINFO("Device is encrypted with the default password, attempting to decrypt.\n"); + if (Decrypt_Device("default_password") == 0) { + gui_print("Successfully decrypted with default password.\n"); + DataManager::SetValue(TW_IS_ENCRYPTED, 0); + } else { + LOGERR("Unable to decrypt with default password."); + LOGERR("You may need to perform a Format Data.\n"); + } + } else { + DataManager::SetValue("TW_CRYPTO_TYPE", password_type); + } + } +#endif + Update_System_Details(); + UnMount_Main_Partitions(); + return true; +} + +int TWPartitionManager::Write_Fstab(void) { + FILE *fp; + std::vector<TWPartition*>::iterator iter; + string Line; + + fp = fopen("/etc/fstab", "w"); + if (fp == NULL) { + LOGINFO("Can not open /etc/fstab.\n"); + return false; + } + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Can_Be_Mounted) { + Line = (*iter)->Actual_Block_Device + " " + (*iter)->Mount_Point + " " + (*iter)->Current_File_System + " rw\n"; + fputs(Line.c_str(), fp); + } + // Handle subpartition tracking + if ((*iter)->Is_SubPartition) { + TWPartition* ParentPartition = Find_Partition_By_Path((*iter)->SubPartition_Of); + if (ParentPartition) + ParentPartition->Has_SubPartition = true; + else + LOGERR("Unable to locate parent partition '%s' of '%s'\n", (*iter)->SubPartition_Of.c_str(), (*iter)->Mount_Point.c_str()); + } + } + fclose(fp); + return true; +} + +void TWPartitionManager::Setup_Settings_Storage_Partition(TWPartition* Part) { + DataManager::SetValue("tw_settings_path", Part->Storage_Path); + DataManager::SetValue("tw_storage_path", Part->Storage_Path); + LOGINFO("Settings storage is '%s'\n", Part->Storage_Path.c_str()); +} + +void TWPartitionManager::Setup_Android_Secure_Location(TWPartition* Part) { + if (Part->Has_Android_Secure) + Part->Setup_AndSec(); + else if (!datamedia) + Part->Setup_AndSec(); +} + +void TWPartitionManager::Output_Partition_Logging(void) { + std::vector<TWPartition*>::iterator iter; + + printf("\n\nPartition Logs:\n"); + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) + Output_Partition((*iter)); +} + +void TWPartitionManager::Output_Partition(TWPartition* Part) { + unsigned long long mb = 1048576; + + printf("%s | %s | Size: %iMB", Part->Mount_Point.c_str(), Part->Actual_Block_Device.c_str(), (int)(Part->Size / mb)); + if (Part->Can_Be_Mounted) { + printf(" Used: %iMB Free: %iMB Backup Size: %iMB", (int)(Part->Used / mb), (int)(Part->Free / mb), (int)(Part->Backup_Size / mb)); + } + printf("\n Flags: "); + if (Part->Can_Be_Mounted) + printf("Can_Be_Mounted "); + if (Part->Can_Be_Wiped) + printf("Can_Be_Wiped "); + if (Part->Use_Rm_Rf) + printf("Use_Rm_Rf "); + if (Part->Can_Be_Backed_Up) + printf("Can_Be_Backed_Up "); + if (Part->Wipe_During_Factory_Reset) + printf("Wipe_During_Factory_Reset "); + if (Part->Wipe_Available_in_GUI) + printf("Wipe_Available_in_GUI "); + if (Part->Is_SubPartition) + printf("Is_SubPartition "); + if (Part->Has_SubPartition) + printf("Has_SubPartition "); + if (Part->Removable) + printf("Removable "); + if (Part->Is_Present) + printf("IsPresent "); + if (Part->Can_Be_Encrypted) + printf("Can_Be_Encrypted "); + if (Part->Is_Encrypted) + printf("Is_Encrypted "); + if (Part->Is_Decrypted) + printf("Is_Decrypted "); + if (Part->Has_Data_Media) + printf("Has_Data_Media "); + if (Part->Can_Encrypt_Backup) + printf("Can_Encrypt_Backup "); + if (Part->Use_Userdata_Encryption) + printf("Use_Userdata_Encryption "); + if (Part->Has_Android_Secure) + printf("Has_Android_Secure "); + if (Part->Is_Storage) + printf("Is_Storage "); + if (Part->Is_Settings_Storage) + printf("Is_Settings_Storage "); + if (Part->Ignore_Blkid) + printf("Ignore_Blkid "); + if (Part->Retain_Layout_Version) + printf("Retain_Layout_Version "); + if (Part->Mount_To_Decrypt) + printf("Mount_To_Decrypt "); + if (Part->Can_Flash_Img) + printf("Can_Flash_Img "); + printf("\n"); + if (!Part->SubPartition_Of.empty()) + printf(" SubPartition_Of: %s\n", Part->SubPartition_Of.c_str()); + if (!Part->Symlink_Path.empty()) + printf(" Symlink_Path: %s\n", Part->Symlink_Path.c_str()); + if (!Part->Symlink_Mount_Point.empty()) + printf(" Symlink_Mount_Point: %s\n", Part->Symlink_Mount_Point.c_str()); + if (!Part->Primary_Block_Device.empty()) + printf(" Primary_Block_Device: %s\n", Part->Primary_Block_Device.c_str()); + if (!Part->Alternate_Block_Device.empty()) + printf(" Alternate_Block_Device: %s\n", Part->Alternate_Block_Device.c_str()); + if (!Part->Decrypted_Block_Device.empty()) + printf(" Decrypted_Block_Device: %s\n", Part->Decrypted_Block_Device.c_str()); + if (!Part->Crypto_Key_Location.empty() && Part->Crypto_Key_Location != "footer") + printf(" Crypto_Key_Location: %s\n", Part->Crypto_Key_Location.c_str()); + if (Part->Length != 0) + printf(" Length: %i\n", Part->Length); + if (!Part->Display_Name.empty()) + printf(" Display_Name: %s\n", Part->Display_Name.c_str()); + if (!Part->Storage_Name.empty()) + printf(" Storage_Name: %s\n", Part->Storage_Name.c_str()); + if (!Part->Backup_Path.empty()) + printf(" Backup_Path: %s\n", Part->Backup_Path.c_str()); + if (!Part->Backup_Name.empty()) + printf(" Backup_Name: %s\n", Part->Backup_Name.c_str()); + if (!Part->Backup_Display_Name.empty()) + printf(" Backup_Display_Name: %s\n", Part->Backup_Display_Name.c_str()); + if (!Part->Backup_FileName.empty()) + printf(" Backup_FileName: %s\n", Part->Backup_FileName.c_str()); + if (!Part->Storage_Path.empty()) + printf(" Storage_Path: %s\n", Part->Storage_Path.c_str()); + if (!Part->Current_File_System.empty()) + printf(" Current_File_System: %s\n", Part->Current_File_System.c_str()); + if (!Part->Fstab_File_System.empty()) + printf(" Fstab_File_System: %s\n", Part->Fstab_File_System.c_str()); + if (Part->Format_Block_Size != 0) + printf(" Format_Block_Size: %i\n", Part->Format_Block_Size); + if (!Part->MTD_Name.empty()) + printf(" MTD_Name: %s\n", Part->MTD_Name.c_str()); + string back_meth = Part->Backup_Method_By_Name(); + printf(" Backup_Method: %s\n", back_meth.c_str()); + if (Part->Mount_Flags || !Part->Mount_Options.empty()) + printf(" Mount_Flags=0x%8x, Mount_Options=%s\n", Part->Mount_Flags, Part->Mount_Options.c_str()); + if (Part->MTP_Storage_ID) + printf(" MTP_Storage_ID: %i\n", Part->MTP_Storage_ID); + printf("\n"); +} + +int TWPartitionManager::Mount_By_Path(string Path, bool Display_Error) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + string Local_Path = TWFunc::Get_Root_Path(Path); + + if (Local_Path == "/tmp" || Local_Path == "/") + return true; + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) { + ret = (*iter)->Mount(Display_Error); + found = true; + } else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) { + (*iter)->Mount(Display_Error); + } + } + if (found) { + return ret; + } else if (Display_Error) { + LOGERR("Mount: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } else { + LOGINFO("Mount: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } + return false; +} + +int TWPartitionManager::UnMount_By_Path(string Path, bool Display_Error) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + string Local_Path = TWFunc::Get_Root_Path(Path); + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) { + ret = (*iter)->UnMount(Display_Error); + found = true; + } else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) { + (*iter)->UnMount(Display_Error); + } + } + if (found) { + return ret; + } else if (Display_Error) { + LOGERR("UnMount: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } else { + LOGINFO("UnMount: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } + return false; +} + +int TWPartitionManager::Is_Mounted_By_Path(string Path) { + TWPartition* Part = Find_Partition_By_Path(Path); + + if (Part) + return Part->Is_Mounted(); + else + LOGINFO("Is_Mounted: Unable to find partition for path '%s'\n", Path.c_str()); + return false; +} + +int TWPartitionManager::Mount_Current_Storage(bool Display_Error) { + string current_storage_path = DataManager::GetCurrentStoragePath(); + + if (Mount_By_Path(current_storage_path, Display_Error)) { + TWPartition* FreeStorage = Find_Partition_By_Path(current_storage_path); + if (FreeStorage) + DataManager::SetValue(TW_STORAGE_FREE_SIZE, (int)(FreeStorage->Free / 1048576LLU)); + return true; + } + return false; +} + +int TWPartitionManager::Mount_Settings_Storage(bool Display_Error) { + return Mount_By_Path(DataManager::GetSettingsStoragePath(), Display_Error); +} + +TWPartition* TWPartitionManager::Find_Partition_By_Path(string Path) { + std::vector<TWPartition*>::iterator iter; + string Local_Path = TWFunc::Get_Root_Path(Path); + + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) + return (*iter); + } + return NULL; +} + +int TWPartitionManager::Check_Backup_Name(bool Display_Error) { + // Check the backup name to ensure that it is the correct size and contains only valid characters + // and that a backup with that name doesn't already exist + char backup_name[MAX_BACKUP_NAME_LEN]; + char backup_loc[255], tw_image_dir[255]; + int copy_size; + int index, cur_char; + string Backup_Name, Backup_Loc; + + DataManager::GetValue(TW_BACKUP_NAME, Backup_Name); + copy_size = Backup_Name.size(); + // Check size + if (copy_size > MAX_BACKUP_NAME_LEN) { + if (Display_Error) + LOGERR("Backup name is too long.\n"); + return -2; + } + + // Check each character + strncpy(backup_name, Backup_Name.c_str(), copy_size); + if (copy_size == 1 && strncmp(backup_name, "0", 1) == 0) + return 0; // A "0" (zero) means to use the current timestamp for the backup name + for (index=0; index<copy_size; index++) { + cur_char = (int)backup_name[index]; + if (cur_char == 32 || (cur_char >= 48 && cur_char <= 57) || (cur_char >= 65 && cur_char <= 91) || cur_char == 93 || cur_char == 95 || (cur_char >= 97 && cur_char <= 123) || cur_char == 125 || cur_char == 45 || cur_char == 46) { + // These are valid characters + // Numbers + // Upper case letters + // Lower case letters + // Space + // and -_.{}[] + } else { + if (Display_Error) + LOGERR("Backup name '%s' contains invalid character: '%c'\n", backup_name, (char)cur_char); + return -3; + } + } + + // Check to make sure that a backup with this name doesn't already exist + DataManager::GetValue(TW_BACKUPS_FOLDER_VAR, Backup_Loc); + strcpy(backup_loc, Backup_Loc.c_str()); + sprintf(tw_image_dir,"%s/%s", backup_loc, Backup_Name.c_str()); + if (TWFunc::Path_Exists(tw_image_dir)) { + if (Display_Error) + LOGERR("A backup with this name already exists.\n"); + return -4; + } + // No problems found, return 0 + return 0; +} + +bool TWPartitionManager::Make_MD5(bool generate_md5, string Backup_Folder, string Backup_Filename) +{ + string command; + string Full_File = Backup_Folder + Backup_Filename; + string result; + twrpDigest md5sum; + + if (!generate_md5) + return true; + + TWFunc::GUI_Operation_Text(TW_GENERATE_MD5_TEXT, "Generating MD5"); + gui_print(" * Generating md5...\n"); + + if (TWFunc::Path_Exists(Full_File)) { + md5sum.setfn(Backup_Folder + Backup_Filename); + if (md5sum.computeMD5() == 0) + if (md5sum.write_md5digest() == 0) + gui_print(" * MD5 Created.\n"); + else + return -1; + else + gui_print(" * MD5 Error!\n"); + } else { + char filename[512]; + int index = 0; + string strfn; + sprintf(filename, "%s%03i", Full_File.c_str(), index); + strfn = filename; + while (index < 1000) { + md5sum.setfn(filename); + if (TWFunc::Path_Exists(filename)) { + if (md5sum.computeMD5() == 0) { + if (md5sum.write_md5digest() != 0) + { + gui_print(" * MD5 Error.\n"); + return false; + } + } else { + gui_print(" * Error computing MD5.\n"); + return false; + } + } + index++; + sprintf(filename, "%s%03i", Full_File.c_str(), index); + strfn = filename; + } + if (index == 0) { + LOGERR("Backup file: '%s' not found!\n", filename); + return false; + } + gui_print(" * MD5 Created.\n"); + } + return true; +} + +bool TWPartitionManager::Backup_Partition(TWPartition* Part, string Backup_Folder, bool generate_md5, unsigned long long* img_bytes_remaining, unsigned long long* file_bytes_remaining, unsigned long *img_time, unsigned long *file_time, unsigned long long *img_bytes, unsigned long long *file_bytes) { + time_t start, stop; + int img_bps; + unsigned long long file_bps; + unsigned long total_time, remain_time, section_time; + int use_compression, backup_time; + float pos; + unsigned long long total_size, current_size; + + string backup_log = Backup_Folder + "recovery.log"; + + if (Part == NULL) + return true; + + DataManager::GetValue(TW_BACKUP_AVG_IMG_RATE, img_bps); + + DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression); + if (use_compression) + DataManager::GetValue(TW_BACKUP_AVG_FILE_COMP_RATE, file_bps); + else + DataManager::GetValue(TW_BACKUP_AVG_FILE_RATE, file_bps); + + // We know the speed for both, how far into the whole backup are we, based on time + total_time = (*img_bytes / (unsigned long)img_bps) + (*file_bytes / (unsigned long)file_bps); + remain_time = (*img_bytes_remaining / (unsigned long)img_bps) + (*file_bytes_remaining / (unsigned long)file_bps); + + //pos = (total_time - remain_time) / (float) total_time; + total_size = *file_bytes + *img_bytes; + current_size = *file_bytes + *img_bytes - *file_bytes_remaining - *img_bytes_remaining; + pos = ((float)(current_size) / (float)(total_size)); + DataManager::SetProgress(pos); + + LOGINFO("Estimated total time: %lu\nEstimated remaining time: %lu\n", total_time, remain_time); + + // And get the time + if (Part->Backup_Method == 1) + section_time = Part->Backup_Size / file_bps; + else + section_time = Part->Backup_Size / img_bps; + + // Set the position + pos = section_time / (float) total_time; + //DataManager::ShowProgress(pos, section_time); + + TWFunc::SetPerformanceMode(true); + time(&start); + + if (Part->Backup(Backup_Folder, &total_size, ¤t_size, tar_fork_pid)) { + bool md5Success = false; + current_size += Part->Backup_Size; + pos = (float)((float)(current_size) / (float)(total_size)); + DataManager::SetProgress(pos); + if (Part->Has_SubPartition) { + std::vector<TWPartition*>::iterator subpart; + + for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) { + if ((*subpart)->Can_Be_Backed_Up && (*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point) { + if (!(*subpart)->Backup(Backup_Folder, &total_size, ¤t_size, tar_fork_pid)) { + TWFunc::SetPerformanceMode(false); + Clean_Backup_Folder(Backup_Folder); + TWFunc::copy_file("/tmp/recovery.log", backup_log, 0644); + tw_set_default_metadata(backup_log.c_str()); + return false; + } + sync(); + sync(); + if (!Make_MD5(generate_md5, Backup_Folder, (*subpart)->Backup_FileName)) { + TWFunc::SetPerformanceMode(false); + return false; + } + if (Part->Backup_Method == 1) { + *file_bytes_remaining -= (*subpart)->Backup_Size; + } else { + *img_bytes_remaining -= (*subpart)->Backup_Size; + } + current_size += Part->Backup_Size; + pos = (float)(current_size / total_size); + DataManager::SetProgress(pos); + } + } + } + time(&stop); + backup_time = (int) difftime(stop, start); + LOGINFO("Partition Backup time: %d\n", backup_time); + if (Part->Backup_Method == 1) { + *file_bytes_remaining -= Part->Backup_Size; + *file_time += backup_time; + } else { + *img_bytes_remaining -= Part->Backup_Size; + *img_time += backup_time; + } + + md5Success = Make_MD5(generate_md5, Backup_Folder, Part->Backup_FileName); + TWFunc::SetPerformanceMode(false); + return md5Success; + } else { + Clean_Backup_Folder(Backup_Folder); + TWFunc::copy_file("/tmp/recovery.log", backup_log, 0644); + tw_set_default_metadata(backup_log.c_str()); + TWFunc::SetPerformanceMode(false); + return false; + } + return 0; +} + +void TWPartitionManager::Clean_Backup_Folder(string Backup_Folder) { + DIR *d = opendir(Backup_Folder.c_str()); + struct dirent *p; + int r; + + gui_print("Backup Failed.\nCleaning Backup Folder\n"); + + if (d == NULL) { + LOGERR("Error opening dir: '%s'\n", Backup_Folder.c_str()); + return; + } + + while ((p = readdir(d))) { + if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, "..")) + continue; + + string path = Backup_Folder + p->d_name; + + size_t dot = path.find_last_of(".") + 1; + if (path.substr(dot) == "win" || path.substr(dot) == "md5" || path.substr(dot) == "info") { + r = unlink(path.c_str()); + if (r != 0) { + LOGINFO("Unable to unlink '%s: %s'\n", path.c_str(), strerror(errno)); + } + } + } + closedir(d); +} + +int TWPartitionManager::Cancel_Backup() { + string Backup_Folder, Backup_Name, Full_Backup_Path; + + stop_backup.set_value(1); + + if (tar_fork_pid != 0) { + DataManager::GetValue(TW_BACKUP_NAME, Backup_Name); + DataManager::GetValue(TW_BACKUPS_FOLDER_VAR, Backup_Folder); + Full_Backup_Path = Backup_Folder + "/" + Backup_Name + "/"; + LOGINFO("Killing pid: %d\n", tar_fork_pid); + kill(tar_fork_pid, SIGUSR2); + while (kill(tar_fork_pid, 0) == 0) { + usleep(1000); + } + LOGINFO("Backup_Run stopped and returning false, backup cancelled.\n"); + LOGINFO("Removing directory %s\n", Full_Backup_Path.c_str()); + TWFunc::removeDir(Full_Backup_Path, false); + tar_fork_pid = 0; + } + + return 0; +} + +int TWPartitionManager::Run_Backup(void) { + int check, do_md5, partition_count = 0, disable_free_space_check = 0; + string Backup_Folder, Backup_Name, Full_Backup_Path, Backup_List, backup_path; + unsigned long long total_bytes = 0, file_bytes = 0, img_bytes = 0, free_space = 0, img_bytes_remaining, file_bytes_remaining, subpart_size; + unsigned long img_time = 0, file_time = 0; + TWPartition* backup_part = NULL; + TWPartition* storage = NULL; + std::vector<TWPartition*>::iterator subpart; + struct tm *t; + time_t start, stop, seconds, total_start, total_stop; + size_t start_pos = 0, end_pos = 0; + stop_backup.set_value(0); + seconds = time(0); + t = localtime(&seconds); + + time(&total_start); + + Update_System_Details(); + + if (!Mount_Current_Storage(true)) + return false; + + DataManager::GetValue(TW_SKIP_MD5_GENERATE_VAR, do_md5); + if (do_md5 == 0) + do_md5 = true; + else + do_md5 = false; + + DataManager::GetValue(TW_BACKUPS_FOLDER_VAR, Backup_Folder); + DataManager::GetValue(TW_BACKUP_NAME, Backup_Name); + if (Backup_Name == "(Current Date)") { + Backup_Name = TWFunc::Get_Current_Date(); + } else if (Backup_Name == "(Auto Generate)" || Backup_Name == "0" || Backup_Name.empty()) { + TWFunc::Auto_Generate_Backup_Name(); + DataManager::GetValue(TW_BACKUP_NAME, Backup_Name); + } + LOGINFO("Backup Name is: '%s'\n", Backup_Name.c_str()); + Full_Backup_Path = Backup_Folder + "/" + Backup_Name + "/"; + LOGINFO("Full_Backup_Path is: '%s'\n", Full_Backup_Path.c_str()); + + LOGINFO("Calculating backup details...\n"); + DataManager::GetValue("tw_backup_list", Backup_List); + if (!Backup_List.empty()) { + end_pos = Backup_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Backup_List.size()) { + backup_path = Backup_List.substr(start_pos, end_pos - start_pos); + backup_part = Find_Partition_By_Path(backup_path); + if (backup_part != NULL) { + partition_count++; + if (backup_part->Backup_Method == 1) + file_bytes += backup_part->Backup_Size; + else + img_bytes += backup_part->Backup_Size; + if (backup_part->Has_SubPartition) { + std::vector<TWPartition*>::iterator subpart; + + for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) { + if ((*subpart)->Can_Be_Backed_Up && (*subpart)->Is_Present && (*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == backup_part->Mount_Point) { + partition_count++; + if ((*subpart)->Backup_Method == 1) + file_bytes += (*subpart)->Backup_Size; + else + img_bytes += (*subpart)->Backup_Size; + } + } + } + } else { + LOGERR("Unable to locate '%s' partition for backup calculations.\n", backup_path.c_str()); + } + start_pos = end_pos + 1; + end_pos = Backup_List.find(";", start_pos); + } + } + + if (partition_count == 0) { + gui_print("No partitions selected for backup.\n"); + return false; + } + total_bytes = file_bytes + img_bytes; + gui_print(" * Total number of partitions to back up: %d\n", partition_count); + gui_print(" * Total size of all data: %lluMB\n", total_bytes / 1024 / 1024); + storage = Find_Partition_By_Path(DataManager::GetCurrentStoragePath()); + if (storage != NULL) { + free_space = storage->Free; + gui_print(" * Available space: %lluMB\n", free_space / 1024 / 1024); + } else { + LOGERR("Unable to locate storage device.\n"); + return false; + } + + DataManager::GetValue("tw_disable_free_space", disable_free_space_check); + if (!disable_free_space_check) { + if (free_space - (32 * 1024 * 1024) < total_bytes) { + // We require an extra 32MB just in case + LOGERR("Not enough free space on storage.\n"); + return false; + } + } + img_bytes_remaining = img_bytes; + file_bytes_remaining = file_bytes; + + gui_print("\n[BACKUP STARTED]\n"); + gui_print(" * Backup Folder: %s\n", Full_Backup_Path.c_str()); + if (!TWFunc::Recursive_Mkdir(Full_Backup_Path)) { + LOGERR("Failed to make backup folder.\n"); + return false; + } + + DataManager::SetProgress(0.0); + + start_pos = 0; + end_pos = Backup_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Backup_List.size()) { + if (stop_backup.get_value() != 0) + return -1; + backup_path = Backup_List.substr(start_pos, end_pos - start_pos); + backup_part = Find_Partition_By_Path(backup_path); + if (backup_part != NULL) { + if (!Backup_Partition(backup_part, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes)) + return false; + } else { + LOGERR("Unable to locate '%s' partition for backup process.\n", backup_path.c_str()); + } + start_pos = end_pos + 1; + end_pos = Backup_List.find(";", start_pos); + } + + // Average BPS + if (img_time == 0) + img_time = 1; + if (file_time == 0) + file_time = 1; + int img_bps = (int)img_bytes / (int)img_time; + unsigned long long file_bps = file_bytes / (int)file_time; + + gui_print("Average backup rate for file systems: %llu MB/sec\n", (file_bps / (1024 * 1024))); + gui_print("Average backup rate for imaged drives: %lu MB/sec\n", (img_bps / (1024 * 1024))); + + time(&total_stop); + int total_time = (int) difftime(total_stop, total_start); + uint64_t actual_backup_size = du.Get_Folder_Size(Full_Backup_Path); + actual_backup_size /= (1024LLU * 1024LLU); + + int prev_img_bps, use_compression; + unsigned long long prev_file_bps; + DataManager::GetValue(TW_BACKUP_AVG_IMG_RATE, prev_img_bps); + img_bps += (prev_img_bps * 4); + img_bps /= 5; + + DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression); + if (use_compression) + DataManager::GetValue(TW_BACKUP_AVG_FILE_COMP_RATE, prev_file_bps); + else + DataManager::GetValue(TW_BACKUP_AVG_FILE_RATE, prev_file_bps); + file_bps += (prev_file_bps * 4); + file_bps /= 5; + + DataManager::SetValue(TW_BACKUP_AVG_IMG_RATE, img_bps); + if (use_compression) + DataManager::SetValue(TW_BACKUP_AVG_FILE_COMP_RATE, file_bps); + else + DataManager::SetValue(TW_BACKUP_AVG_FILE_RATE, file_bps); + + gui_print("[%llu MB TOTAL BACKED UP]\n", actual_backup_size); + Update_System_Details(); + UnMount_Main_Partitions(); + gui_print_color("highlight", "[BACKUP COMPLETED IN %d SECONDS]\n\n", total_time); // the end + string backup_log = Full_Backup_Path + "recovery.log"; + TWFunc::copy_file("/tmp/recovery.log", backup_log, 0644); + tw_set_default_metadata(backup_log.c_str()); + return true; +} + +bool TWPartitionManager::Restore_Partition(TWPartition* Part, string Restore_Name, int partition_count, const unsigned long long *total_restore_size, unsigned long long *already_restored_size) { + time_t Start, Stop; + TWFunc::SetPerformanceMode(true); + time(&Start); + //DataManager::ShowProgress(1.0 / (float)partition_count, 150); + if (!Part->Restore(Restore_Name, total_restore_size, already_restored_size)) { + TWFunc::SetPerformanceMode(false); + return false; + } + if (Part->Has_SubPartition) { + std::vector<TWPartition*>::iterator subpart; + + for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) { + if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point) { + if (!(*subpart)->Restore(Restore_Name, total_restore_size, already_restored_size)) { + TWFunc::SetPerformanceMode(false); + return false; + } + } + } + } + time(&Stop); + TWFunc::SetPerformanceMode(false); + gui_print("[%s done (%d seconds)]\n\n", Part->Backup_Display_Name.c_str(), (int)difftime(Stop, Start)); + return true; +} + +int TWPartitionManager::Run_Restore(string Restore_Name) { + int check_md5, check, partition_count = 0; + TWPartition* restore_part = NULL; + time_t rStart, rStop; + time(&rStart); + string Restore_List, restore_path; + size_t start_pos = 0, end_pos; + unsigned long long total_restore_size = 0, already_restored_size = 0; + + gui_print("\n[RESTORE STARTED]\n\n"); + gui_print("Restore folder: '%s'\n", Restore_Name.c_str()); + + if (!Mount_Current_Storage(true)) + return false; + + DataManager::GetValue(TW_SKIP_MD5_CHECK_VAR, check_md5); + if (check_md5 > 0) { + // Check MD5 files first before restoring to ensure that all of them match before starting a restore + TWFunc::GUI_Operation_Text(TW_VERIFY_MD5_TEXT, "Verifying MD5"); + gui_print("Verifying MD5...\n"); + } else { + gui_print("Skipping MD5 check based on user setting.\n"); + } + gui_print("Calculating restore details...\n"); + DataManager::GetValue("tw_restore_selected", Restore_List); + if (!Restore_List.empty()) { + end_pos = Restore_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Restore_List.size()) { + restore_path = Restore_List.substr(start_pos, end_pos - start_pos); + restore_part = Find_Partition_By_Path(restore_path); + if (restore_part != NULL) { + partition_count++; + if (check_md5 > 0 && !restore_part->Check_MD5(Restore_Name)) + return false; + total_restore_size += restore_part->Get_Restore_Size(Restore_Name); + if (restore_part->Has_SubPartition) { + std::vector<TWPartition*>::iterator subpart; + + for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) { + if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == restore_part->Mount_Point) { + if (check_md5 > 0 && !(*subpart)->Check_MD5(Restore_Name)) + return false; + total_restore_size += (*subpart)->Get_Restore_Size(Restore_Name); + } + } + } + } else { + LOGERR("Unable to locate '%s' partition for restoring (restore list).\n", restore_path.c_str()); + } + start_pos = end_pos + 1; + end_pos = Restore_List.find(";", start_pos); + } + } + + if (partition_count == 0) { + LOGERR("No partitions selected for restore.\n"); + return false; + } + + gui_print("Restoring %i partitions...\n", partition_count); + gui_print("Total restore size is %lluMB\n", total_restore_size / 1048576); + DataManager::SetProgress(0.0); + + start_pos = 0; + if (!Restore_List.empty()) { + end_pos = Restore_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Restore_List.size()) { + restore_path = Restore_List.substr(start_pos, end_pos - start_pos); + restore_part = Find_Partition_By_Path(restore_path); + if (restore_part != NULL) { + partition_count++; + if (!Restore_Partition(restore_part, Restore_Name, partition_count, &total_restore_size, &already_restored_size)) + return false; + } else { + LOGERR("Unable to locate '%s' partition for restoring.\n", restore_path.c_str()); + } + start_pos = end_pos + 1; + end_pos = Restore_List.find(";", start_pos); + } + } + TWFunc::GUI_Operation_Text(TW_UPDATE_SYSTEM_DETAILS_TEXT, "Updating System Details"); + Update_System_Details(); + UnMount_Main_Partitions(); + time(&rStop); + gui_print_color("highlight", "[RESTORE COMPLETED IN %d SECONDS]\n\n",(int)difftime(rStop,rStart)); + DataManager::SetValue("tw_file_progress", ""); + return true; +} + +void TWPartitionManager::Set_Restore_Files(string Restore_Name) { + // Start with the default values + string Restore_List; + bool get_date = true, check_encryption = true; + + DataManager::SetValue("tw_restore_encrypted", 0); + + DIR* d; + d = opendir(Restore_Name.c_str()); + if (d == NULL) + { + LOGERR("Error opening %s\n", Restore_Name.c_str()); + return; + } + + struct dirent* de; + while ((de = readdir(d)) != NULL) + { + // Strip off three components + char str[256]; + char* label; + char* fstype = NULL; + char* extn = NULL; + char* ptr; + + strcpy(str, de->d_name); + if (strlen(str) <= 2) + continue; + + if (get_date) { + char file_path[255]; + struct stat st; + + strcpy(file_path, Restore_Name.c_str()); + strcat(file_path, "/"); + strcat(file_path, str); + stat(file_path, &st); + string backup_date = ctime((const time_t*)(&st.st_mtime)); + DataManager::SetValue(TW_RESTORE_FILE_DATE, backup_date); + get_date = false; + } + + label = str; + ptr = label; + while (*ptr && *ptr != '.') ptr++; + if (*ptr == '.') + { + *ptr = 0x00; + ptr++; + fstype = ptr; + } + while (*ptr && *ptr != '.') ptr++; + if (*ptr == '.') + { + *ptr = 0x00; + ptr++; + extn = ptr; + } + + if (fstype == NULL || extn == NULL || strcmp(fstype, "log") == 0) continue; + int extnlength = strlen(extn); + if (extnlength != 3 && extnlength != 6) continue; + if (extnlength >= 3 && strncmp(extn, "win", 3) != 0) continue; + //if (extnlength == 6 && strncmp(extn, "win000", 6) != 0) continue; + + if (check_encryption) { + string filename = Restore_Name + "/"; + filename += de->d_name; + if (TWFunc::Get_File_Type(filename) == 2) { + LOGINFO("'%s' is encrypted\n", filename.c_str()); + DataManager::SetValue("tw_restore_encrypted", 1); + } + } + if (extnlength == 6 && strncmp(extn, "win000", 6) != 0) continue; + + TWPartition* Part = Find_Partition_By_Path(label); + if (Part == NULL) + { + LOGERR(" Unable to locate partition by backup name: '%s'\n", label); + continue; + } + + Part->Backup_FileName = de->d_name; + if (strlen(extn) > 3) { + Part->Backup_FileName.resize(Part->Backup_FileName.size() - strlen(extn) + 3); + } + + Restore_List += Part->Backup_Path + ";"; + } + closedir(d); + + // Set the final value + DataManager::SetValue("tw_restore_list", Restore_List); + DataManager::SetValue("tw_restore_selected", Restore_List); + return; +} + +int TWPartitionManager::Wipe_By_Path(string Path) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + string Local_Path = TWFunc::Get_Root_Path(Path); + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) { + if (Path == "/and-sec") + ret = (*iter)->Wipe_AndSec(); + else + ret = (*iter)->Wipe(); + found = true; + } else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) { + (*iter)->Wipe(); + } + } + if (found) { + return ret; + } else + LOGERR("Wipe: Unable to find partition for path '%s'\n", Local_Path.c_str()); + return false; +} + +int TWPartitionManager::Wipe_By_Path(string Path, string New_File_System) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + string Local_Path = TWFunc::Get_Root_Path(Path); + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) { + if (Path == "/and-sec") + ret = (*iter)->Wipe_AndSec(); + else + ret = (*iter)->Wipe(New_File_System); + found = true; + } else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) { + (*iter)->Wipe(New_File_System); + } + } + if (found) { + return ret; + } else + LOGERR("Wipe: Unable to find partition for path '%s'\n", Local_Path.c_str()); + return false; +} + +int TWPartitionManager::Factory_Reset(void) { + std::vector<TWPartition*>::iterator iter; + int ret = true; + + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Wipe_During_Factory_Reset && (*iter)->Is_Present) { + if (!(*iter)->Wipe()) + ret = false; + } else if ((*iter)->Has_Android_Secure) { + if (!(*iter)->Wipe_AndSec()) + ret = false; + } + } + return ret; +} + +int TWPartitionManager::Wipe_Dalvik_Cache(void) { + struct stat st; + vector <string> dir; + + if (!Mount_By_Path("/data", true)) + return false; + + if (!Mount_By_Path("/cache", true)) + return false; + + dir.push_back("/data/dalvik-cache"); + dir.push_back("/cache/dalvik-cache"); + dir.push_back("/cache/dc"); + gui_print("\nWiping Dalvik Cache Directories...\n"); + for (unsigned i = 0; i < dir.size(); ++i) { + if (stat(dir.at(i).c_str(), &st) == 0) { + TWFunc::removeDir(dir.at(i), false); + gui_print("Cleaned: %s...\n", dir.at(i).c_str()); + } + } + TWPartition* sdext = Find_Partition_By_Path("/sd-ext"); + if (sdext && sdext->Is_Present && sdext->Mount(false)) + { + if (stat("/sd-ext/dalvik-cache", &st) == 0) + { + TWFunc::removeDir("/sd-ext/dalvik-cache", false); + gui_print("Cleaned: /sd-ext/dalvik-cache...\n"); + } + } + gui_print("-- Dalvik Cache Directories Wipe Complete!\n\n"); + return true; +} + +int TWPartitionManager::Wipe_Rotate_Data(void) { + if (!Mount_By_Path("/data", true)) + return false; + + unlink("/data/misc/akmd*"); + unlink("/data/misc/rild*"); + gui_print("Rotation data wiped.\n"); + return true; +} + +int TWPartitionManager::Wipe_Battery_Stats(void) { + struct stat st; + + if (!Mount_By_Path("/data", true)) + return false; + + if (0 != stat("/data/system/batterystats.bin", &st)) { + gui_print("No Battery Stats Found. No Need To Wipe.\n"); + } else { + remove("/data/system/batterystats.bin"); + gui_print("Cleared battery stats.\n"); + } + return true; +} + +int TWPartitionManager::Wipe_Android_Secure(void) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Has_Android_Secure) { + ret = (*iter)->Wipe_AndSec(); + found = true; + } + } + if (found) { + return ret; + } else { + LOGERR("No android secure partitions found.\n"); + } + return false; +} + +int TWPartitionManager::Format_Data(void) { + TWPartition* dat = Find_Partition_By_Path("/data"); + + if (dat != NULL) { + if (!dat->UnMount(true)) + return false; + + return dat->Wipe_Encryption(); + } else { + LOGERR("Unable to locate /data.\n"); + return false; + } + return false; +} + +int TWPartitionManager::Wipe_Media_From_Data(void) { + TWPartition* dat = Find_Partition_By_Path("/data"); + + if (dat != NULL) { + if (!dat->Has_Data_Media) { + LOGERR("This device does not have /data/media\n"); + return false; + } + if (!dat->Mount(true)) + return false; + + gui_print("Wiping internal storage -- /data/media...\n"); + Remove_MTP_Storage(dat->MTP_Storage_ID); + TWFunc::removeDir("/data/media", false); + if (mkdir("/data/media", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0) { + Add_MTP_Storage(dat->MTP_Storage_ID); + return false; + } + if (dat->Has_Data_Media) { + dat->Recreate_Media_Folder(); + // Unmount and remount - slightly hackish way to ensure that the "/sdcard" folder is still mounted properly after wiping + dat->UnMount(false); + dat->Mount(false); + } + Add_MTP_Storage(dat->MTP_Storage_ID); + return true; + } else { + LOGERR("Unable to locate /data.\n"); + return false; + } + return false; +} + +int TWPartitionManager::Repair_By_Path(string Path, bool Display_Error) { + std::vector<TWPartition*>::iterator iter; + int ret = false; + bool found = false; + string Local_Path = TWFunc::Get_Root_Path(Path); + + if (Local_Path == "/tmp" || Local_Path == "/") + return true; + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) { + ret = (*iter)->Repair(); + found = true; + } else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) { + (*iter)->Repair(); + } + } + if (found) { + return ret; + } else if (Display_Error) { + LOGERR("Repair: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } else { + LOGINFO("Repair: Unable to find partition for path '%s'\n", Local_Path.c_str()); + } + return false; +} + +void TWPartitionManager::Update_System_Details(void) { + std::vector<TWPartition*>::iterator iter; + int data_size = 0; + + gui_print("Updating partition details...\n"); + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Can_Be_Mounted) { + (*iter)->Update_Size(true); + if ((*iter)->Mount_Point == "/system") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SYSTEM_SIZE, backup_display_size); + } else if ((*iter)->Mount_Point == "/data" || (*iter)->Mount_Point == "/datadata") { + data_size += (int)((*iter)->Backup_Size / 1048576LLU); + } else if ((*iter)->Mount_Point == "/cache") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_CACHE_SIZE, backup_display_size); + } else if ((*iter)->Mount_Point == "/sd-ext") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SDEXT_SIZE, backup_display_size); + if ((*iter)->Backup_Size == 0) { + DataManager::SetValue(TW_HAS_SDEXT_PARTITION, 0); + DataManager::SetValue(TW_BACKUP_SDEXT_VAR, 0); + } else + DataManager::SetValue(TW_HAS_SDEXT_PARTITION, 1); + } else if ((*iter)->Has_Android_Secure) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_ANDSEC_SIZE, backup_display_size); + if ((*iter)->Backup_Size == 0) { + DataManager::SetValue(TW_HAS_ANDROID_SECURE, 0); + DataManager::SetValue(TW_BACKUP_ANDSEC_VAR, 0); + } else + DataManager::SetValue(TW_HAS_ANDROID_SECURE, 1); + } else if ((*iter)->Mount_Point == "/boot") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_BOOT_SIZE, backup_display_size); + if ((*iter)->Backup_Size == 0) { + DataManager::SetValue("tw_has_boot_partition", 0); + DataManager::SetValue(TW_BACKUP_BOOT_VAR, 0); + } else + DataManager::SetValue("tw_has_boot_partition", 1); + } +#ifdef SP1_NAME + if ((*iter)->Backup_Name == EXPAND(SP1_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP1_SIZE, backup_display_size); + } +#endif +#ifdef SP2_NAME + if ((*iter)->Backup_Name == EXPAND(SP2_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP2_SIZE, backup_display_size); + } +#endif +#ifdef SP3_NAME + if ((*iter)->Backup_Name == EXPAND(SP3_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP3_SIZE, backup_display_size); + } +#endif + } else { + // Handle unmountable partitions in case we reset defaults + if ((*iter)->Mount_Point == "/boot") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_BOOT_SIZE, backup_display_size); + if ((*iter)->Backup_Size == 0) { + DataManager::SetValue(TW_HAS_BOOT_PARTITION, 0); + DataManager::SetValue(TW_BACKUP_BOOT_VAR, 0); + } else + DataManager::SetValue(TW_HAS_BOOT_PARTITION, 1); + } else if ((*iter)->Mount_Point == "/recovery") { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_RECOVERY_SIZE, backup_display_size); + if ((*iter)->Backup_Size == 0) { + DataManager::SetValue(TW_HAS_RECOVERY_PARTITION, 0); + DataManager::SetValue(TW_BACKUP_RECOVERY_VAR, 0); + } else + DataManager::SetValue(TW_HAS_RECOVERY_PARTITION, 1); + } else if ((*iter)->Mount_Point == "/data") { + data_size += (int)((*iter)->Backup_Size / 1048576LLU); + } +#ifdef SP1_NAME + if ((*iter)->Backup_Name == EXPAND(SP1_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP1_SIZE, backup_display_size); + } +#endif +#ifdef SP2_NAME + if ((*iter)->Backup_Name == EXPAND(SP2_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP2_SIZE, backup_display_size); + } +#endif +#ifdef SP3_NAME + if ((*iter)->Backup_Name == EXPAND(SP3_NAME)) { + int backup_display_size = (int)((*iter)->Backup_Size / 1048576LLU); + DataManager::SetValue(TW_BACKUP_SP3_SIZE, backup_display_size); + } +#endif + } + } + gui_print("...done\n"); + DataManager::SetValue(TW_BACKUP_DATA_SIZE, data_size); + string current_storage_path = DataManager::GetCurrentStoragePath(); + TWPartition* FreeStorage = Find_Partition_By_Path(current_storage_path); + if (FreeStorage != NULL) { + // Attempt to mount storage + if (!FreeStorage->Mount(false)) { + // We couldn't mount storage... check to see if we have dual storage + int has_dual_storage; + DataManager::GetValue(TW_HAS_DUAL_STORAGE, has_dual_storage); + if (has_dual_storage == 1) { + // We have dual storage, see if we're using the internal storage that should always be present + if (current_storage_path == DataManager::GetSettingsStoragePath()) { + if (!FreeStorage->Is_Encrypted) { + // Not able to use internal, so error! + LOGERR("Unable to mount internal storage.\n"); + } + DataManager::SetValue(TW_STORAGE_FREE_SIZE, 0); + } else { + // We were using external, flip to internal + DataManager::SetValue(TW_USE_EXTERNAL_STORAGE, 0); + current_storage_path = DataManager::GetCurrentStoragePath(); + FreeStorage = Find_Partition_By_Path(current_storage_path); + if (FreeStorage != NULL) { + DataManager::SetValue(TW_STORAGE_FREE_SIZE, (int)(FreeStorage->Free / 1048576LLU)); + } else { + LOGERR("Unable to locate internal storage partition.\n"); + DataManager::SetValue(TW_STORAGE_FREE_SIZE, 0); + } + } + } else { + // No dual storage and unable to mount storage, error! + LOGERR("Unable to mount storage.\n"); + DataManager::SetValue(TW_STORAGE_FREE_SIZE, 0); + } + } else { + DataManager::SetValue(TW_STORAGE_FREE_SIZE, (int)(FreeStorage->Free / 1048576LLU)); + } + } else { + LOGINFO("Unable to find storage partition '%s'.\n", current_storage_path.c_str()); + } + if (!Write_Fstab()) + LOGERR("Error creating fstab\n"); + return; +} + +int TWPartitionManager::Decrypt_Device(string Password) { +#ifdef TW_INCLUDE_CRYPTO + int ret_val, password_len; + char crypto_blkdev[255], cPassword[255]; + size_t result; + std::vector<TWPartition*>::iterator iter; + + property_set("ro.crypto.state", "encrypted"); + + // Mount any partitions that need to be mounted for decrypt + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_To_Decrypt) { + (*iter)->Mount(true); + } + } + + strcpy(cPassword, Password.c_str()); + int pwret = cryptfs_check_passwd(cPassword); + + // Unmount any partitions that were needed for decrypt + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Mount_To_Decrypt) { + (*iter)->UnMount(false); + } + } + + if (pwret != 0) { + LOGERR("Failed to decrypt data.\n"); + return -1; + } + + property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error"); + if (strcmp(crypto_blkdev, "error") == 0) { + LOGERR("Error retrieving decrypted data block device.\n"); + } else { + TWPartition* dat = Find_Partition_By_Path("/data"); + if (dat != NULL) { + DataManager::SetValue(TW_DATA_BLK_DEVICE, dat->Primary_Block_Device); + DataManager::SetValue(TW_IS_DECRYPTED, 1); + dat->Is_Decrypted = true; + dat->Decrypted_Block_Device = crypto_blkdev; + dat->Setup_File_System(false); + dat->Current_File_System = dat->Fstab_File_System; // Needed if we're ignoring blkid because encrypted devices start out as emmc + gui_print("Data successfully decrypted, new block device: '%s'\n", crypto_blkdev); + + // Sleep for a bit so that the device will be ready + sleep(1); + if (dat->Has_Data_Media && dat->Mount(false) && TWFunc::Path_Exists("/data/media/0")) { + dat->Storage_Path = "/data/media/0"; + dat->Symlink_Path = dat->Storage_Path; + DataManager::SetValue("tw_storage_path", "/data/media/0"); + DataManager::SetValue("tw_settings_path", "/data/media/0"); + dat->UnMount(false); + Output_Partition(dat); + } + Update_System_Details(); + UnMount_Main_Partitions(); + } else + LOGERR("Unable to locate data partition.\n"); + } + return 0; +#else + LOGERR("No crypto support was compiled into this build.\n"); + return -1; +#endif + return 1; +} + +int TWPartitionManager::Fix_Permissions(void) { + int result = 0; + if (!Mount_By_Path("/data", true)) + return false; + + if (!Mount_By_Path("/system", true)) + return false; + + Mount_By_Path("/sd-ext", false); + + fixPermissions perms; + result = perms.fixPerms(true, false); +#ifdef HAVE_SELINUX + if (result == 0 && DataManager::GetIntValue("tw_fixperms_restorecon") == 1) + result = perms.fixContexts(); +#endif + UnMount_Main_Partitions(); + gui_print("Done.\n\n"); + return result; +} + +TWPartition* TWPartitionManager::Find_Next_Storage(string Path, string Exclude) { + std::vector<TWPartition*>::iterator iter = Partitions.begin(); + + if (!Path.empty()) { + string Search_Path = TWFunc::Get_Root_Path(Path); + for (; iter != Partitions.end(); iter++) { + if ((*iter)->Mount_Point == Search_Path) { + iter++; + break; + } + } + } + + for (; iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage && (*iter)->Is_Present && (*iter)->Mount_Point != Exclude) { + return (*iter); + } + } + + return NULL; +} + +int TWPartitionManager::Open_Lun_File(string Partition_Path, string Lun_File) { + TWPartition* Part = Find_Partition_By_Path(Partition_Path); + + if (Part == NULL) { + LOGERR("Unable to locate '%s' for USB storage mode.", Partition_Path.c_str()); + return false; + } + LOGINFO("USB mount '%s', '%s' > '%s'\n", Partition_Path.c_str(), Part->Actual_Block_Device.c_str(), Lun_File.c_str()); + if (!Part->UnMount(true) || !Part->Is_Present) + return false; + + if (TWFunc::write_file(Lun_File, Part->Actual_Block_Device)) { + LOGERR("Unable to write to ums lunfile '%s': (%s)\n", Lun_File.c_str(), strerror(errno)); + return false; + } + return true; +} + +int TWPartitionManager::usb_storage_enable(void) { + int has_dual, has_data_media; + char lun_file[255]; + bool has_multiple_lun = false; + + DataManager::GetValue(TW_HAS_DATA_MEDIA, has_data_media); + string Lun_File_str = CUSTOM_LUN_FILE; + size_t found = Lun_File_str.find("%"); + if (found != string::npos) { + sprintf(lun_file, CUSTOM_LUN_FILE, 1); + if (TWFunc::Path_Exists(lun_file)) + has_multiple_lun = true; + } + mtp_was_enabled = TWFunc::Toggle_MTP(false); // Must disable MTP for USB Storage + if (!has_multiple_lun) { + LOGINFO("Device doesn't have multiple lun files, mount current storage\n"); + sprintf(lun_file, CUSTOM_LUN_FILE, 0); + if (TWFunc::Get_Root_Path(DataManager::GetCurrentStoragePath()) == "/data") { + TWPartition* Mount = Find_Next_Storage("", "/data"); + if (Mount) { + if (!Open_Lun_File(Mount->Mount_Point, lun_file)) { + goto error_handle; + } + } else { + LOGERR("Unable to find storage partition to mount to USB\n"); + goto error_handle; + } + } else if (!Open_Lun_File(DataManager::GetCurrentStoragePath(), lun_file)) { + goto error_handle; + } + } else { + LOGINFO("Device has multiple lun files\n"); + TWPartition* Mount1; + TWPartition* Mount2; + sprintf(lun_file, CUSTOM_LUN_FILE, 0); + Mount1 = Find_Next_Storage("", "/data"); + if (Mount1) { + if (!Open_Lun_File(Mount1->Mount_Point, lun_file)) { + goto error_handle; + } + sprintf(lun_file, CUSTOM_LUN_FILE, 1); + Mount2 = Find_Next_Storage(Mount1->Mount_Point, "/data"); + if (Mount2) { + Open_Lun_File(Mount2->Mount_Point, lun_file); + } + } else { + LOGERR("Unable to find storage partition to mount to USB\n"); + goto error_handle; + } + } + property_set("sys.storage.ums_enabled", "1"); + return true; +error_handle: + if (mtp_was_enabled) + if (!Enable_MTP()) + Disable_MTP(); + return false; +} + +int TWPartitionManager::usb_storage_disable(void) { + int index, ret; + char lun_file[255], ch[2] = {0, 0}; + string str = ch; + + for (index=0; index<2; index++) { + sprintf(lun_file, CUSTOM_LUN_FILE, index); + ret = TWFunc::write_file(lun_file, str); + if (ret < 0) { + break; + } + } + Mount_All_Storage(); + Update_System_Details(); + UnMount_Main_Partitions(); + property_set("sys.storage.ums_enabled", "0"); + if (mtp_was_enabled) + if (!Enable_MTP()) + Disable_MTP(); + if (ret < 0 && index == 0) { + LOGERR("Unable to write to ums lunfile '%s'.", lun_file); + return false; + } else { + return true; + } + return true; +} + +void TWPartitionManager::Mount_All_Storage(void) { + std::vector<TWPartition*>::iterator iter; + + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage) + (*iter)->Mount(false); + } +} + +void TWPartitionManager::UnMount_Main_Partitions(void) { + // Unmounts system and data if data is not data/media + // Also unmounts boot if boot is mountable + LOGINFO("Unmounting main partitions...\n"); + + TWPartition* Boot_Partition = Find_Partition_By_Path("/boot"); + + UnMount_By_Path("/system", true); + if (!datamedia) + UnMount_By_Path("/data", true); + + if (Boot_Partition != NULL && Boot_Partition->Can_Be_Mounted) + Boot_Partition->UnMount(true); +} + +int TWPartitionManager::Partition_SDCard(void) { + char mkdir_path[255], temp[255], line[512]; + string Command, Device, fat_str, ext_str, swap_str, start_loc, end_loc, ext_format, sd_path, tmpdevice; + int ext, swap, total_size = 0, fat_size; + FILE* fp; + + gui_print("Partitioning SD Card...\n"); +#ifdef TW_EXTERNAL_STORAGE_PATH + TWPartition* SDCard = Find_Partition_By_Path(EXPAND(TW_EXTERNAL_STORAGE_PATH)); +#else + TWPartition* SDCard = Find_Partition_By_Path("/sdcard"); +#endif + if (SDCard == NULL || !SDCard->Removable || SDCard->Has_Data_Media) { + LOGERR("Unable to locate device to partition.\n"); + return false; + } + if (!SDCard->UnMount(true)) + return false; + TWPartition* SDext = Find_Partition_By_Path("/sd-ext"); + if (SDext != NULL) { + if (!SDext->UnMount(true)) + return false; + } + + TWFunc::Exec_Cmd("umount \"$SWAPPATH\""); + Device = SDCard->Actual_Block_Device; + // Just use the root block device + Device.resize(strlen("/dev/block/mmcblkX")); + + // Find the size of the block device: + fp = fopen("/proc/partitions", "rt"); + if (fp == NULL) { + LOGERR("Unable to open /proc/partitions\n"); + return false; + } + + while (fgets(line, sizeof(line), fp) != NULL) + { + unsigned long major, minor, blocks; + char device[512]; + char tmpString[64]; + + if (strlen(line) < 7 || line[0] == 'm') continue; + sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device); + + tmpdevice = "/dev/block/"; + tmpdevice += device; + if (tmpdevice == Device) { + // Adjust block size to byte size + total_size = (int)(blocks * 1024ULL / 1000000LLU); + break; + } + } + fclose(fp); + + DataManager::GetValue("tw_sdext_size", ext); + DataManager::GetValue("tw_swap_size", swap); + DataManager::GetValue("tw_sdpart_file_system", ext_format); + fat_size = total_size - ext - swap; + LOGINFO("sd card block device is '%s', sdcard size is: %iMB, fat size: %iMB, ext size: %iMB, ext system: '%s', swap size: %iMB\n", Device.c_str(), total_size, fat_size, ext, ext_format.c_str(), swap); + memset(temp, 0, sizeof(temp)); + sprintf(temp, "%i", fat_size); + fat_str = temp; + memset(temp, 0, sizeof(temp)); + sprintf(temp, "%i", fat_size + ext); + ext_str = temp; + memset(temp, 0, sizeof(temp)); + sprintf(temp, "%i", fat_size + ext + swap); + swap_str = temp; + if (ext + swap > total_size) { + LOGERR("EXT + Swap size is larger than sdcard size.\n"); + return false; + } + gui_print("Removing partition table...\n"); + Command = "parted -s " + Device + " mklabel msdos"; + LOGINFO("Command is: '%s'\n", Command.c_str()); + if (TWFunc::Exec_Cmd(Command) != 0) { + LOGERR("Unable to remove partition table.\n"); + Update_System_Details(); + return false; + } + gui_print("Creating FAT32 partition...\n"); + Command = "parted " + Device + " mkpartfs primary fat32 0 " + fat_str + "MB"; + LOGINFO("Command is: '%s'\n", Command.c_str()); + if (TWFunc::Exec_Cmd(Command) != 0) { + LOGERR("Unable to create FAT32 partition.\n"); + return false; + } + if (ext > 0) { + gui_print("Creating EXT partition...\n"); + Command = "parted " + Device + " mkpartfs primary ext2 " + fat_str + "MB " + ext_str + "MB"; + LOGINFO("Command is: '%s'\n", Command.c_str()); + if (TWFunc::Exec_Cmd(Command) != 0) { + LOGERR("Unable to create EXT partition.\n"); + Update_System_Details(); + return false; + } + } + if (swap > 0) { + gui_print("Creating swap partition...\n"); + Command = "parted " + Device + " mkpartfs primary linux-swap " + ext_str + "MB " + swap_str + "MB"; + LOGINFO("Command is: '%s'\n", Command.c_str()); + if (TWFunc::Exec_Cmd(Command) != 0) { + LOGERR("Unable to create swap partition.\n"); + Update_System_Details(); + return false; + } + } + // recreate TWRP folder and rewrite settings - these will be gone after sdcard is partitioned +#ifdef TW_EXTERNAL_STORAGE_PATH + Mount_By_Path(EXPAND(TW_EXTERNAL_STORAGE_PATH), 1); + DataManager::GetValue(TW_EXTERNAL_PATH, sd_path); + memset(mkdir_path, 0, sizeof(mkdir_path)); + sprintf(mkdir_path, "%s/TWRP", sd_path.c_str()); +#else + Mount_By_Path("/sdcard", 1); + strcpy(mkdir_path, "/sdcard/TWRP"); +#endif + mkdir(mkdir_path, 0777); + DataManager::Flush(); +#ifdef TW_EXTERNAL_STORAGE_PATH + DataManager::SetValue(TW_ZIP_EXTERNAL_VAR, EXPAND(TW_EXTERNAL_STORAGE_PATH)); + if (DataManager::GetIntValue(TW_USE_EXTERNAL_STORAGE) == 1) + DataManager::SetValue(TW_ZIP_LOCATION_VAR, EXPAND(TW_EXTERNAL_STORAGE_PATH)); +#else + DataManager::SetValue(TW_ZIP_EXTERNAL_VAR, "/sdcard"); + if (DataManager::GetIntValue(TW_USE_EXTERNAL_STORAGE) == 1) + DataManager::SetValue(TW_ZIP_LOCATION_VAR, "/sdcard"); +#endif + if (ext > 0) { + if (SDext == NULL) { + LOGERR("Unable to locate sd-ext partition.\n"); + return false; + } + Command = "mke2fs -t " + ext_format + " -m 0 " + SDext->Actual_Block_Device; + gui_print("Formatting sd-ext as %s...\n", ext_format.c_str()); + LOGINFO("Formatting sd-ext after partitioning, command: '%s'\n", Command.c_str()); + TWFunc::Exec_Cmd(Command); + } + + Update_System_Details(); + gui_print("Partitioning complete.\n"); + return true; +} + +void TWPartitionManager::Get_Partition_List(string ListType, std::vector<PartitionList> *Partition_List) { + std::vector<TWPartition*>::iterator iter; + if (ListType == "mount") { + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Can_Be_Mounted && !(*iter)->Is_SubPartition) { + struct PartitionList part; + part.Display_Name = (*iter)->Display_Name; + part.Mount_Point = (*iter)->Mount_Point; + part.selected = (*iter)->Is_Mounted(); + Partition_List->push_back(part); + } + } + } else if (ListType == "storage") { + char free_space[255]; + string Current_Storage = DataManager::GetCurrentStoragePath(); + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage) { + struct PartitionList part; + sprintf(free_space, "%llu", (*iter)->Free / 1024 / 1024); + part.Display_Name = (*iter)->Storage_Name + " ("; + part.Display_Name += free_space; + part.Display_Name += "MB)"; + part.Mount_Point = (*iter)->Storage_Path; + if ((*iter)->Storage_Path == Current_Storage) + part.selected = 1; + else + part.selected = 0; + Partition_List->push_back(part); + } + } + } else if (ListType == "backup") { + char backup_size[255]; + unsigned long long Backup_Size; + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Can_Be_Backed_Up && !(*iter)->Is_SubPartition && (*iter)->Is_Present) { + struct PartitionList part; + Backup_Size = (*iter)->Backup_Size; + if ((*iter)->Has_SubPartition) { + std::vector<TWPartition*>::iterator subpart; + + for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) { + if ((*subpart)->Is_SubPartition && (*subpart)->Can_Be_Backed_Up && (*subpart)->Is_Present && (*subpart)->SubPartition_Of == (*iter)->Mount_Point) + Backup_Size += (*subpart)->Backup_Size; + } + } + sprintf(backup_size, "%llu", Backup_Size / 1024 / 1024); + part.Display_Name = (*iter)->Backup_Display_Name + " ("; + part.Display_Name += backup_size; + part.Display_Name += "MB)"; + part.Mount_Point = (*iter)->Backup_Path; + part.selected = 0; + Partition_List->push_back(part); + } + } + } else if (ListType == "restore") { + string Restore_List, restore_path; + TWPartition* restore_part = NULL; + + DataManager::GetValue("tw_restore_list", Restore_List); + if (!Restore_List.empty()) { + size_t start_pos = 0, end_pos = Restore_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Restore_List.size()) { + restore_path = Restore_List.substr(start_pos, end_pos - start_pos); + if ((restore_part = Find_Partition_By_Path(restore_path)) != NULL) { + if ((restore_part->Backup_Name == "recovery" && !restore_part->Can_Be_Backed_Up) || restore_part->Is_SubPartition) { + // Don't allow restore of recovery (causes problems on some devices) + // Don't add subpartitions to the list of items + } else { + struct PartitionList part; + part.Display_Name = restore_part->Backup_Display_Name; + part.Mount_Point = restore_part->Backup_Path; + part.selected = 1; + Partition_List->push_back(part); + } + } else { + LOGERR("Unable to locate '%s' partition for restore.\n", restore_path.c_str()); + } + start_pos = end_pos + 1; + end_pos = Restore_List.find(";", start_pos); + } + } + } else if (ListType == "wipe") { + struct PartitionList dalvik; + dalvik.Display_Name = "Dalvik Cache"; + dalvik.Mount_Point = "DALVIK"; + dalvik.selected = 0; + Partition_List->push_back(dalvik); + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Wipe_Available_in_GUI && !(*iter)->Is_SubPartition) { + struct PartitionList part; + part.Display_Name = (*iter)->Display_Name; + part.Mount_Point = (*iter)->Mount_Point; + part.selected = 0; + Partition_List->push_back(part); + } + if ((*iter)->Has_Android_Secure) { + struct PartitionList part; + part.Display_Name = (*iter)->Backup_Display_Name; + part.Mount_Point = (*iter)->Backup_Path; + part.selected = 0; + Partition_List->push_back(part); + } + if ((*iter)->Has_Data_Media) { + struct PartitionList datamedia; + datamedia.Display_Name = (*iter)->Storage_Name; + datamedia.Mount_Point = "INTERNAL"; + datamedia.selected = 0; + Partition_List->push_back(datamedia); + } + } + } else if (ListType == "flashimg") { + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Can_Flash_Img && (*iter)->Is_Present) { + struct PartitionList part; + part.Display_Name = (*iter)->Backup_Display_Name; + part.Mount_Point = (*iter)->Backup_Path; + part.selected = 0; + Partition_List->push_back(part); + } + } + } else { + LOGERR("Unknown list type '%s' requested for TWPartitionManager::Get_Partition_List\n", ListType.c_str()); + } +} + +int TWPartitionManager::Fstab_Processed(void) { + return Partitions.size(); +} + +void TWPartitionManager::Output_Storage_Fstab(void) { + std::vector<TWPartition*>::iterator iter; + char storage_partition[255]; + string Temp; + FILE *fp = fopen("/cache/recovery/storage.fstab", "w"); + + if (fp == NULL) { + LOGERR("Unable to open '/cache/recovery/storage.fstab'.\n"); + return; + } + + // Iterate through all partitions + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage) { + Temp = (*iter)->Storage_Path + ";" + (*iter)->Storage_Name + ";\n"; + strcpy(storage_partition, Temp.c_str()); + fwrite(storage_partition, sizeof(storage_partition[0]), strlen(storage_partition) / sizeof(storage_partition[0]), fp); + } + } + fclose(fp); +} + +TWPartition *TWPartitionManager::Get_Default_Storage_Partition() +{ + TWPartition *res = NULL; + for (std::vector<TWPartition*>::iterator iter = Partitions.begin(); iter != Partitions.end(); ++iter) { + if(!(*iter)->Is_Storage) + continue; + + if((*iter)->Is_Settings_Storage) + return *iter; + + if(!res) + res = *iter; + } + return res; +} + +bool TWPartitionManager::Enable_MTP(void) { +#ifdef TW_HAS_MTP + if (mtppid) { + LOGERR("MTP already enabled\n"); + return true; + } + //Launch MTP Responder + LOGINFO("Starting MTP\n"); + + int mtppipe[2]; + + if (pipe(mtppipe) < 0) { + LOGERR("Error creating MTP pipe\n"); + return false; + } + + char old_value[PROPERTY_VALUE_MAX]; + property_get("sys.usb.config", old_value, "error"); + if (strcmp(old_value, "error") != 0 && strcmp(old_value, "mtp,adb") != 0) { + char vendor[PROPERTY_VALUE_MAX]; + char product[PROPERTY_VALUE_MAX]; + property_set("sys.usb.config", "none"); + property_get("usb.vendor", vendor, "18D1"); + property_get("usb.product.mtpadb", product, "4EE2"); + string vendorstr = vendor; + string productstr = product; + TWFunc::write_file("/sys/class/android_usb/android0/idVendor", vendorstr); + TWFunc::write_file("/sys/class/android_usb/android0/idProduct", productstr); + property_set("sys.usb.config", "mtp,adb"); + } + /* To enable MTP debug, use the twrp command line feature to + * twrp set tw_mtp_debug 1 + */ + twrpMtp *mtp = new twrpMtp(DataManager::GetIntValue("tw_mtp_debug")); + mtppid = mtp->forkserver(mtppipe); + if (mtppid) { + close(mtppipe[0]); // Host closes read side + mtp_write_fd = mtppipe[1]; + DataManager::SetValue("tw_mtp_enabled", 1); + Add_All_MTP_Storage(); + return true; + } else { + close(mtppipe[0]); + close(mtppipe[1]); + LOGERR("Failed to enable MTP\n"); + return false; + } +#else + LOGERR("MTP support not included\n"); +#endif + DataManager::SetValue("tw_mtp_enabled", 0); + return false; +} + +void TWPartitionManager::Add_All_MTP_Storage(void) { +#ifdef TW_HAS_MTP + std::vector<TWPartition*>::iterator iter; + + if (!mtppid) + return; // MTP is not enabled + + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->Is_Storage && (*iter)->Is_Present && (*iter)->Mount(false)) + Add_Remove_MTP_Storage((*iter), MTP_MESSAGE_ADD_STORAGE); + } +#else + return; +#endif +} + +bool TWPartitionManager::Disable_MTP(void) { + char old_value[PROPERTY_VALUE_MAX]; + property_get("sys.usb.config", old_value, "error"); + if (strcmp(old_value, "adb") != 0) { + char vendor[PROPERTY_VALUE_MAX]; + char product[PROPERTY_VALUE_MAX]; + property_set("sys.usb.config", "none"); + property_get("usb.vendor", vendor, "18D1"); + property_get("usb.product.adb", product, "D002"); + string vendorstr = vendor; + string productstr = product; + TWFunc::write_file("/sys/class/android_usb/android0/idVendor", vendorstr); + TWFunc::write_file("/sys/class/android_usb/android0/idProduct", productstr); + usleep(2000); + } +#ifdef TW_HAS_MTP + if (mtppid) { + LOGINFO("Disabling MTP\n"); + int status; + kill(mtppid, SIGKILL); + mtppid = 0; + // We don't care about the exit value, but this prevents a zombie process + waitpid(mtppid, &status, 0); + close(mtp_write_fd); + mtp_write_fd = -1; + } +#endif + property_set("sys.usb.config", "adb"); +#ifdef TW_HAS_MTP + DataManager::SetValue("tw_mtp_enabled", 0); + return true; +#endif + return false; +} + +TWPartition* TWPartitionManager::Find_Partition_By_MTP_Storage_ID(unsigned int Storage_ID) { + std::vector<TWPartition*>::iterator iter; + + for (iter = Partitions.begin(); iter != Partitions.end(); iter++) { + if ((*iter)->MTP_Storage_ID == Storage_ID) + return (*iter); + } + return NULL; +} + +bool TWPartitionManager::Add_Remove_MTP_Storage(TWPartition* Part, int message_type) { +#ifdef TW_HAS_MTP + struct mtpmsg mtp_message; + + if (!mtppid) + return false; // MTP is disabled + + if (mtp_write_fd < 0) { + LOGINFO("MTP: mtp_write_fd is not set\n"); + return false; + } + + if (Part) { + if (Part->MTP_Storage_ID == 0) + return false; + if (message_type == MTP_MESSAGE_REMOVE_STORAGE) { + mtp_message.message_type = MTP_MESSAGE_REMOVE_STORAGE; // Remove + LOGINFO("sending message to remove %i\n", Part->MTP_Storage_ID); + mtp_message.storage_id = Part->MTP_Storage_ID; + if (write(mtp_write_fd, &mtp_message, sizeof(mtp_message)) <= 0) { + LOGINFO("error sending message to remove storage %i\n", Part->MTP_Storage_ID); + return false; + } else { + LOGINFO("Message sent, remove storage ID: %i\n", Part->MTP_Storage_ID); + return true; + } + } else if (message_type == MTP_MESSAGE_ADD_STORAGE && Part->Is_Mounted()) { + mtp_message.message_type = MTP_MESSAGE_ADD_STORAGE; // Add + mtp_message.storage_id = Part->MTP_Storage_ID; + mtp_message.path = Part->Storage_Path.c_str(); + mtp_message.display = Part->Storage_Name.c_str(); + mtp_message.maxFileSize = Part->Get_Max_FileSize(); + LOGINFO("sending message to add %i '%s' '%s'\n", mtp_message.storage_id, mtp_message.path, mtp_message.display); + if (write(mtp_write_fd, &mtp_message, sizeof(mtp_message)) <= 0) { + LOGINFO("error sending message to add storage %i\n", Part->MTP_Storage_ID); + return false; + } else { + LOGINFO("Message sent, add storage ID: %i\n", Part->MTP_Storage_ID); + return true; + } + } else { + LOGERR("Unknown MTP message type: %i\n", message_type); + } + } else { + // This hopefully never happens as the error handling should + // occur in the calling function. + LOGINFO("TWPartitionManager::Add_Remove_MTP_Storage NULL partition given\n"); + } + return true; +#else + LOGERR("MTP support not included\n"); + DataManager::SetValue("tw_mtp_enabled", 0); + return false; +#endif +} + +bool TWPartitionManager::Add_MTP_Storage(string Mount_Point) { +#ifdef TW_HAS_MTP + TWPartition* Part = PartitionManager.Find_Partition_By_Path(Mount_Point); + if (Part) { + return PartitionManager.Add_Remove_MTP_Storage(Part, MTP_MESSAGE_ADD_STORAGE); + } else { + LOGINFO("TWFunc::Add_MTP_Storage unable to locate partition for '%s'\n", Mount_Point.c_str()); + } +#endif + return false; +} + +bool TWPartitionManager::Add_MTP_Storage(unsigned int Storage_ID) { +#ifdef TW_HAS_MTP + TWPartition* Part = PartitionManager.Find_Partition_By_MTP_Storage_ID(Storage_ID); + if (Part) { + return PartitionManager.Add_Remove_MTP_Storage(Part, MTP_MESSAGE_ADD_STORAGE); + } else { + LOGINFO("TWFunc::Add_MTP_Storage unable to locate partition for %i\n", Storage_ID); + } +#endif + return false; +} + +bool TWPartitionManager::Remove_MTP_Storage(string Mount_Point) { +#ifdef TW_HAS_MTP + TWPartition* Part = PartitionManager.Find_Partition_By_Path(Mount_Point); + if (Part) { + return PartitionManager.Add_Remove_MTP_Storage(Part, MTP_MESSAGE_REMOVE_STORAGE); + } else { + LOGINFO("TWFunc::Remove_MTP_Storage unable to locate partition for '%s'\n", Mount_Point.c_str()); + } +#endif + return false; +} + +bool TWPartitionManager::Remove_MTP_Storage(unsigned int Storage_ID) { +#ifdef TW_HAS_MTP + TWPartition* Part = PartitionManager.Find_Partition_By_MTP_Storage_ID(Storage_ID); + if (Part) { + return PartitionManager.Add_Remove_MTP_Storage(Part, MTP_MESSAGE_REMOVE_STORAGE); + } else { + LOGINFO("TWFunc::Remove_MTP_Storage unable to locate partition for %i\n", Storage_ID); + } +#endif + return false; +} + +bool TWPartitionManager::Flash_Image(string Filename) { + int check, partition_count = 0; + TWPartition* flash_part = NULL; + string Flash_List, flash_path; + size_t start_pos = 0, end_pos = 0; + + gui_print("\n[IMAGE FLASH STARTED]\n\n"); + gui_print("Image to flash: '%s'\n", Filename.c_str()); + + if (!Mount_Current_Storage(true)) + return false; + + gui_print("Calculating restore details...\n"); + DataManager::GetValue("tw_flash_partition", Flash_List); + if (!Flash_List.empty()) { + end_pos = Flash_List.find(";", start_pos); + while (end_pos != string::npos && start_pos < Flash_List.size()) { + flash_path = Flash_List.substr(start_pos, end_pos - start_pos); + flash_part = Find_Partition_By_Path(flash_path); + if (flash_part != NULL) { + partition_count++; + if (partition_count > 1) { + LOGERR("Too many partitions selected for flashing.\n"); + return false; + } + } else { + LOGERR("Unable to locate '%s' partition for flashing (flash list).\n", flash_path.c_str()); + return false; + } + start_pos = end_pos + 1; + end_pos = Flash_List.find(";", start_pos); + } + } + + if (partition_count == 0) { + LOGERR("No partitions selected for flashing.\n"); + return false; + } + + DataManager::SetProgress(0.0); + if (flash_part) { + if (!flash_part->Flash_Image(Filename)) + return false; + } else { + LOGERR("Invalid flash partition specified.\n"); + return false; + } + gui_print_color("highlight", "[IMAGE FLASH COMPLETED]\n\n"); + return true; +} |