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-rw-r--r--adbbu/libtwadbbu.cpp196
1 files changed, 196 insertions, 0 deletions
diff --git a/adbbu/libtwadbbu.cpp b/adbbu/libtwadbbu.cpp
new file mode 100644
index 000000000..cdc2170ba
--- /dev/null
+++ b/adbbu/libtwadbbu.cpp
@@ -0,0 +1,196 @@
+/*
+ Copyright 2013 to 2016 TeamWin
+ 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 <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <zlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <string>
+#include <fstream>
+#include <sstream>
+
+#include "twadbstream.h"
+#include "libtwadbbu.hpp"
+
+bool twadbbu::Write_ADB_Stream_Header(uint64_t partition_count) {
+ struct AdbBackupStreamHeader twhdr;
+ int adb_control_bu_fd;
+
+ memset(&twhdr, 0, sizeof(twhdr));
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+ if (adb_control_bu_fd < 0) {
+ printf("Cannot write to TW_ADB_BU_CONTROL.\n");
+ return false;
+ }
+
+ strncpy(twhdr.start_of_header, TWRP, sizeof(twhdr.start_of_header));
+ strncpy(twhdr.type, TWSTREAMHDR, sizeof(twhdr.type));
+ twhdr.partition_count = partition_count;
+ twhdr.version = ADB_BACKUP_VERSION;
+ memset(twhdr.space, 0, sizeof(twhdr.space));
+ twhdr.crc = crc32(0L, Z_NULL, 0);
+ twhdr.crc = crc32(twhdr.crc, (const unsigned char*) &twhdr, sizeof(twhdr));
+ if (write(adb_control_bu_fd, &twhdr, sizeof(twhdr)) < 0) {
+ printf("Cannot write to adb control channel\n");
+ close(adb_control_bu_fd);
+ return false;
+ }
+ return true;
+}
+
+bool twadbbu::Write_ADB_Stream_Trailer() {
+ int adb_control_bu_fd;
+ struct AdbBackupControlType endadb;
+
+ memset(&endadb, 0, sizeof(endadb));
+
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY);
+ if (adb_control_bu_fd < 0) {
+ printf("Error opening adb_control_bu_fd\n");
+ return false;
+ }
+ strncpy(endadb.start_of_header, TWRP, sizeof(endadb.start_of_header));
+ strncpy(endadb.type, TWENDADB, sizeof(endadb.type));
+ endadb.crc = crc32(0L, Z_NULL, 0);
+ endadb.crc = crc32(endadb.crc, (const unsigned char*) &endadb, sizeof(endadb));
+ if (write(adb_control_bu_fd, &endadb, sizeof(endadb)) < 0) {
+ printf("Cannot write to ADB control.\n");
+ close(adb_control_bu_fd);
+ return false;
+ }
+ close(adb_control_bu_fd);
+ return true;
+}
+
+bool twadbbu::Write_TWFN(std::string Backup_FileName, uint64_t file_size, bool use_compression) {
+ int adb_control_bu_fd;
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+ struct twfilehdr twfilehdr;
+ strncpy(twfilehdr.start_of_header, TWRP, sizeof(twfilehdr.start_of_header));
+ strncpy(twfilehdr.type, TWFN, sizeof(twfilehdr.type));
+ strncpy(twfilehdr.name, Backup_FileName.c_str(), sizeof(twfilehdr.name));
+ twfilehdr.size = (file_size == 0 ? 1024 : file_size);
+ twfilehdr.compressed = use_compression;
+ twfilehdr.crc = crc32(0L, Z_NULL, 0);
+ twfilehdr.crc = crc32(twfilehdr.crc, (const unsigned char*) &twfilehdr, sizeof(twfilehdr));
+
+ printf("Sending TWFN to adb\n");
+ if (write(adb_control_bu_fd, &twfilehdr, sizeof(twfilehdr)) < 1) {
+ printf("Cannot that write to adb_control_bu_fd\n");
+ close(adb_control_bu_fd);
+ return false;
+ }
+ close(adb_control_bu_fd);
+ return true;
+}
+
+bool twadbbu::Write_TWIMG(std::string Backup_FileName, uint64_t file_size) {
+ int adb_control_bu_fd;
+ struct twfilehdr twimghdr;
+
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+ strncpy(twimghdr.start_of_header, TWRP, sizeof(twimghdr.start_of_header));
+ strncpy(twimghdr.type, TWIMG, sizeof(twimghdr.type));
+ twimghdr.size = file_size;
+ strncpy(twimghdr.name, Backup_FileName.c_str(), sizeof(twimghdr.name));
+ twimghdr.crc = crc32(0L, Z_NULL, 0);
+ twimghdr.crc = crc32(twimghdr.crc, (const unsigned char*) &twimghdr, sizeof(twimghdr));
+ printf("Sending TWIMG to adb\n");
+ if (write(adb_control_bu_fd, &twimghdr, sizeof(twimghdr)) < 1) {
+ printf("Cannot write to adb control channel\n");
+ return false;
+ }
+
+ return true;
+}
+
+bool twadbbu::Write_TWEOF() {
+ struct AdbBackupControlType tweof;
+ int adb_control_bu_fd;
+ int errctr = 0;
+
+ printf("opening TW_ADB_BU_CONTROL\n");
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+ while (adb_control_bu_fd < 0) {
+ printf("failed to open TW_ADB_BU_CONTROL. Retrying: %s\n", strerror(errno));
+ adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+ usleep(10000);
+ errctr++;
+ if (errctr > ADB_BU_MAX_ERROR) {
+ printf("Cannot write to adb_control_bu_fd: %s.\n", strerror(errno));
+ close(adb_control_bu_fd);
+ return false;
+ }
+ }
+ memset(&tweof, 0, sizeof(tweof));
+ strncpy(tweof.start_of_header, TWRP, sizeof(tweof.start_of_header));
+ strncpy(tweof.type, TWEOF, sizeof(tweof.type));
+ tweof.crc = crc32(0L, Z_NULL, 0);
+ tweof.crc = crc32(tweof.crc, (const unsigned char*) &tweof, sizeof(tweof));
+ printf("Sending TWEOF to adb backup\n");
+ if (write(adb_control_bu_fd, &tweof, sizeof(tweof)) < 0) {
+ printf("Cannot write to adb_control_bu_fd: %s.\n", strerror(errno));
+ close(adb_control_bu_fd);
+ return false;
+ }
+ close(adb_control_bu_fd);
+ return true;
+}
+
+bool twadbbu::Write_TWERROR() {
+ struct AdbBackupControlType twerror;
+ int adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+
+ 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) {
+ printf("Cannot write to adb control channel");
+ return false;
+ }
+ close(adb_control_bu_fd);
+ return true;
+}
+
+bool twadbbu::Write_TWENDADB() {
+ struct AdbBackupControlType endadb;
+ int adb_control_bu_fd = open(TW_ADB_BU_CONTROL, O_WRONLY | O_NONBLOCK);
+
+ memset(&endadb, 0, sizeof(endadb));
+ strncpy(endadb.start_of_header, TWRP, sizeof(endadb.start_of_header));
+ strncpy(endadb.type, TWENDADB, sizeof(endadb.type));
+ endadb.crc = crc32(0L, Z_NULL, 0);
+ endadb.crc = crc32(endadb.crc, (const unsigned char*) &endadb, sizeof(endadb));
+
+ printf("Sending TWENDADB to ADB Backup\n");
+ if (write(adb_control_bu_fd, &endadb, sizeof(endadb)) < 1) {
+ printf("Cannot write to ADB_CONTROL_BU_FD: %s\n", strerror(errno));
+ return false;
+ }
+
+ close(adb_control_bu_fd);
+ return true;
+}