1 files changed, 336 insertions, 0 deletions

diff --git a/twrpAdbBuFifo.cpp b/twrpAdbBuFifo.cpp
new file mode 100644
index 000000000..db34c5ac2
--- /dev/null
+++ b/twrpAdbBuFifo.cpp
@@ -0,0 +1,336 @@
+/*
+        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);
+}
+
+bool twrpAdbBuFifo::Check_Adb_Fifo_For_Events(void) {
+	char cmd[512];
+
+	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)
+			return Backup_ADB_Command(Options);
+		else {
+			return Restore_ADB_Backup();
+		}
+	}
+
+	return true;
+}
+
+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 cmdstr(cmdstruct.type);
+			std::string cmdtype = cmdstr.substr(0, sizeof(cmdstruct.type) - 1);
+			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);
+				}
+			}
+			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");
+						return 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");
+						return false;
+					}
+				}
+			}
+		}
+	}
+	gui_msg("restore_complete=Restore Complete");
+
+	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");
+	return ret;
+}