diff options
Diffstat (limited to '')
| -rw-r--r-- | twrpAdbBuFifo.cpp | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/twrpAdbBuFifo.cpp b/twrpAdbBuFifo.cpp new file mode 100644 index 000000000..0c7dd1524 --- /dev/null +++ b/twrpAdbBuFifo.cpp @@ -0,0 +1,342 @@ +/* + Copyright 2013 to 2017 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/>. +*/ + +#define __STDC_FORMAT_MACROS 1 +#include <string> +#include <sys/wait.h> +#include <sys/stat.h> +#include <pthread.h> +#include <zlib.h> +#include <inttypes.h> +#include "twrpAdbBuFifo.hpp" +#include "twcommon.h" +#include "data.hpp" +#include "variables.h" +#include "partitions.hpp" +#include "twrp-functions.hpp" +#include "gui/gui.hpp" +#include "gui/objects.hpp" +#include "gui/pages.hpp" +#include "adbbu/twadbstream.h" +#include "adbbu/libtwadbbu.hpp" + +twrpAdbBuFifo::twrpAdbBuFifo(void) { + unlink(TW_ADB_FIFO); +} + +void twrpAdbBuFifo::Check_Adb_Fifo_For_Events(void) { + char cmd[512]; + int ret; + + memset(&cmd, 0, sizeof(cmd)); + + if (read(adb_fifo_fd, &cmd, sizeof(cmd)) > 0) { + LOGINFO("adb backup cmd: %s\n", cmd); + std::string cmdcheck(cmd); + cmdcheck = cmdcheck.substr(0, strlen(ADB_BACKUP_OP)); + std::string Options(cmd); + Options = Options.substr(strlen(ADB_BACKUP_OP) + 1, strlen(cmd)); + if (cmdcheck == ADB_BACKUP_OP) + Backup_ADB_Command(Options); + else { + Restore_ADB_Backup(); + } + } +} + +bool twrpAdbBuFifo::start(void) { + LOGINFO("Starting Adb Backup FIFO\n"); + unlink(TW_ADB_FIFO); + if (mkfifo(TW_ADB_FIFO, 06660) != 0) { + LOGINFO("Unable to mkfifo %s\n", TW_ADB_FIFO); + return false; + } + adb_fifo_fd = open(TW_ADB_FIFO, O_RDONLY | O_NONBLOCK); + if (adb_fifo_fd < 0) { + LOGERR("Unable to open TW_ADB_FIFO for reading.\n"); + close(adb_fifo_fd); + return false; + } + while (true) { + Check_Adb_Fifo_For_Events(); + usleep(8000); + } + //Shouldn't get here but cleanup anwyay + close(adb_fifo_fd); + return true; +} + +pthread_t twrpAdbBuFifo::threadAdbBuFifo(void) { + pthread_t thread; + ThreadPtr adbfifo = &twrpAdbBuFifo::start; + PThreadPtr p = *(PThreadPtr*)&adbfifo; + pthread_create(&thread, NULL, p, this); + return thread; +} + +bool twrpAdbBuFifo::Backup_ADB_Command(std::string Options) { + std::vector<std::string> args; + std::string Backup_List; + bool adbbackup = true, ret = false; + std::string rmopt = "--"; + + std::replace(Options.begin(), Options.end(), ':', ' '); + args = TWFunc::Split_String(Options, " "); + + DataManager::SetValue(TW_USE_COMPRESSION_VAR, 0); + DataManager::SetValue(TW_SKIP_DIGEST_GENERATE_VAR, 0); + + if (args[1].compare("--twrp") != 0) { + gui_err("twrp_adbbu_option=--twrp option is required to enable twrp adb backup"); + sleep(2); + return false; + } + + for (unsigned i = 2; i < args.size(); i++) { + int compress; + + std::string::size_type size = args[i].find(rmopt); + if (size != std::string::npos) + args[i].erase(size, rmopt.length()); + + if (args[i].compare("compress") == 0) { + gui_msg("compression_on=Compression is on"); + DataManager::SetValue(TW_USE_COMPRESSION_VAR, 1); + continue; + } + DataManager::GetValue(TW_USE_COMPRESSION_VAR, compress); + gui_print("%s\n", args[i].c_str()); + std::string path; + path = "/" + args[i]; + TWPartition* part = PartitionManager.Find_Partition_By_Path(path); + if (part) { + Backup_List += path; + Backup_List += ";"; + } + else { + gui_msg(Msg(msg::kError, "partition_not_found=path: {1} not found in partition list")(path)); + return false; + } + } + + if (Backup_List.empty()) { + DataManager::GetValue("tw_backup_list", Backup_List); + if (Backup_List.empty()) { + gui_err("no_partition_selected=No partitions selected for backup."); + return false; + } + } + else + DataManager::SetValue("tw_backup_list", Backup_List); + + DataManager::SetValue("tw_action", "clear"); + DataManager::SetValue("tw_action_text1", gui_lookup("running_recovery_commands", "Running Recovery Commands")); + DataManager::SetValue("tw_action_text2", ""); + gui_changePage("action_page"); + + ret = PartitionManager.Run_Backup(adbbackup); + DataManager::SetValue(TW_BACKUP_NAME, gui_lookup("auto_generate", "(Auto Generate)")); + if (!ret) { + gui_err("backup_fail=Backup failed"); + return false; + } + gui_msg("backup_complete=Backup Complete"); + DataManager::SetValue("ui_progress", 100); + sleep(2); //give time for user to see messages on console + gui_changePage("main"); + return true; +} + +bool twrpAdbBuFifo::Restore_ADB_Backup(void) { + int partition_count = 0; + std::string Restore_Name; + std::size_t pos = 0; + struct AdbBackupFileTrailer adbmd5; + struct PartitionSettings part_settings; + int adb_control_twrp_fd, adb_write_fd, systemro; + int adb_control_bu_fd, ret = 0; + char cmd[512]; + + part_settings.total_restore_size = 0; + + PartitionManager.Mount_All_Storage(); + DataManager::SetValue(TW_SKIP_DIGEST_CHECK_VAR, 0); + LOGINFO("opening TW_ADB_BU_CONTROL\n"); + adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK); + LOGINFO("opening TW_ADB_TWRP_CONTROL\n"); + adb_control_twrp_fd = open(TW_ADB_TWRP_CONTROL, O_RDONLY | O_NONBLOCK); + memset(&adbmd5, 0, sizeof(adbmd5)); + + DataManager::SetValue("tw_action", "clear"); + DataManager::SetValue("tw_action_text1", gui_lookup("running_recovery_commands", "Running Recovery Commands")); + DataManager::SetValue("tw_action_text2", ""); + gui_changePage("action_page"); + + while (1) { + memset(&cmd, 0, sizeof(cmd)); + if (read(adb_control_twrp_fd, cmd, sizeof(cmd)) > 0) { + struct AdbBackupControlType cmdstruct; + + memset(&cmdstruct, 0, sizeof(cmdstruct)); + memcpy(&cmdstruct, cmd, sizeof(cmdstruct)); + std::string cmdtype = cmdstruct.get_type(); + if (cmdtype == TWSTREAMHDR) { + struct AdbBackupStreamHeader twhdr; + memcpy(&twhdr, cmd, sizeof(cmd)); + LOGINFO("ADB Partition count: %" PRIu64 "\n", twhdr.partition_count); + LOGINFO("ADB version: %" PRIu64 "\n", twhdr.version); + if (twhdr.version != ADB_BACKUP_VERSION) { + LOGERR("Incompatible adb backup version!\n"); + break; + } + partition_count = twhdr.partition_count; + } + else if (cmdtype == MD5TRAILER) { + LOGINFO("Restoring MD5TRAILER\n"); + memcpy(&adbmd5, cmd, sizeof(cmd)); + } + else if (cmdtype == TWMD5) { + struct AdbBackupFileTrailer md5check; + LOGINFO("Restoring TWMD5\n"); + + memset(&md5check, 0, sizeof(md5check)); + memcpy(&md5check, cmd, sizeof(cmd)); + if (strcmp(md5check.md5, adbmd5.md5) != 0) { + LOGERR("md5 doesn't match!\n"); + LOGERR("file md5: %s\n", adbmd5.md5); + LOGERR("check md5: %s\n", md5check.md5); + ret = false; + break; + } + else { + LOGINFO("adbrestore md5 matches\n"); + LOGINFO("adbmd5.md5: %s\n", adbmd5.md5); + LOGINFO("md5check.md5: %s\n", md5check.md5); + ret = true; + break; + } + } + else if (cmdtype == TWENDADB) { + LOGINFO("received TWENDADB\n"); + break; + } + else { + struct twfilehdr twimghdr; + memcpy(&twimghdr, cmd, sizeof(cmd)); + std::string cmdstr(twimghdr.type); + Restore_Name = twimghdr.name; + part_settings.total_restore_size = twimghdr.size; + if (cmdtype == TWIMG) { + LOGINFO("ADB Type: %s\n", twimghdr.type); + LOGINFO("ADB Restore_Name: %s\n", Restore_Name.c_str()); + LOGINFO("ADB Restore_size: %" PRIu64 "\n", part_settings.total_restore_size); + string compression = (twimghdr.compressed == 1) ? "compressed" : "uncompressed"; + LOGINFO("ADB compression: %s\n", compression.c_str()); + std::string Backup_FileName; + std::size_t pos = Restore_Name.find_last_of("/"); + std::string path = "/" + Restore_Name.substr(pos, Restore_Name.size()); + pos = path.find_first_of("."); + path = path.substr(0, pos); + if (path.substr(0,1).compare("//")) { + path = path.substr(1, path.size()); + } + + pos = Restore_Name.find_last_of("/"); + Backup_FileName = Restore_Name.substr(pos + 1, Restore_Name.size()); + part_settings.Part = PartitionManager.Find_Partition_By_Path(path); + part_settings.Backup_Folder = path; + PartitionManager.Set_Restore_Files(path); + part_settings.partition_count = partition_count; + part_settings.adbbackup = true; + part_settings.adb_compression = twimghdr.compressed; + part_settings.PM_Method = PM_RESTORE; + ProgressTracking progress(part_settings.total_restore_size); + part_settings.progress = &progress; + if (!PartitionManager.Restore_Partition(&part_settings)) { + LOGERR("ADB Restore failed.\n"); + ret = false; + } + } + else if (cmdtype == TWFN) { + LOGINFO("ADB Type: %s\n", twimghdr.type); + LOGINFO("ADB Restore_Name: %s\n", Restore_Name.c_str()); + LOGINFO("ADB Restore_size: %" PRIi64 "\n", part_settings.total_restore_size); + string compression = (twimghdr.compressed == 1) ? "compressed" : "uncompressed"; + LOGINFO("ADB compression: %s\n", compression.c_str()); + std::string Backup_FileName; + std::size_t pos = Restore_Name.find_last_of("/"); + std::string path = "/" + Restore_Name.substr(pos, Restore_Name.size()); + pos = path.find_first_of("."); + path = path.substr(0, pos); + if (path.substr(0,1).compare("//")) { + path = path.substr(1, path.size()); + } + + pos = Restore_Name.find_last_of("/"); + Backup_FileName = Restore_Name.substr(pos + 1, Restore_Name.size()); + pos = Restore_Name.find_last_of("/"); + part_settings.Part = PartitionManager.Find_Partition_By_Path(path); + part_settings.Part->Set_Backup_FileName(Backup_FileName); + PartitionManager.Set_Restore_Files(path); + + if (path.compare("/system") == 0) { + if (part_settings.Part->Is_Read_Only()) { + struct AdbBackupControlType twerror; + strncpy(twerror.start_of_header, TWRP, sizeof(twerror.start_of_header)); + strncpy(twerror.type, TWERROR, sizeof(twerror.type)); + memset(twerror.space, 0, sizeof(twerror.space)); + twerror.crc = crc32(0L, Z_NULL, 0); + twerror.crc = crc32(twerror.crc, (const unsigned char*) &twerror, sizeof(twerror)); + if (write(adb_control_bu_fd, &twerror, sizeof(twerror)) < 0) { + LOGERR("Cannot write to ADB_CONTROL_BU_FD: %s\n", strerror(errno)); + } + gui_msg(Msg(msg::kError, "restore_read_only=Cannot restore {1} -- mounted read only.")(part_settings.Part->Backup_Display_Name)); + return false; + + } + } + part_settings.partition_count = partition_count; + part_settings.adbbackup = true; + part_settings.adb_compression = twimghdr.compressed; + part_settings.total_restore_size += part_settings.Part->Get_Restore_Size(&part_settings); + part_settings.PM_Method = PM_RESTORE; + ProgressTracking progress(part_settings.total_restore_size); + part_settings.progress = &progress; + if (!PartitionManager.Restore_Partition(&part_settings)) { + LOGERR("ADB Restore failed.\n"); + ret = false; + } + } + } + } + } + + if (ret != false) + gui_msg("restore_complete=Restore Complete"); + else + gui_err("restore_error=Error during restore process."); + + if (!twadbbu::Write_TWENDADB()) + ret = false; + sleep(2); //give time for user to see messages on console + DataManager::SetValue("ui_progress", 100); + gui_changePage("main"); + close(adb_control_bu_fd); + close(adb_control_twrp_fd); + return ret; +} |