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-rw-r--r--twrpTarMain/twrpTarMain.cpp164
1 files changed, 164 insertions, 0 deletions
diff --git a/twrpTarMain/twrpTarMain.cpp b/twrpTarMain/twrpTarMain.cpp
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+++ b/twrpTarMain/twrpTarMain.cpp
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+
+/*
+ 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 "../twrp-functions.hpp"
+#include "../twrpTar.hpp"
+#include "../twrpDU.hpp"
+#include <string.h>
+
+twrpDU du;
+
+void usage() {
+ printf("twrpTar <action> [options]\n\n");
+ printf("actions: -c create\n");
+ printf(" -x extract\n\n");
+ printf(" -d target directory\n");
+ printf(" -t output file\n");
+ printf(" -m skip media subfolder (has data media)\n");
+ printf(" -z compress backup (/sbin/pigz must be present)\n");
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ printf(" -e encrypt/decrypt backup followed by password (/sbin/openaes must be present)\n");
+ printf(" -u encrypt using userdata encryption (must be used with -e\n");
+#endif
+ printf("\n\n");
+ printf("Example: twrpTar -c -d /cache -t /sdcard/test.tar\n");
+ printf(" twrpTar -x -d /cache -t /sdcard/test.tar\n");
+}
+
+int main(int argc, char **argv) {
+ twrpTar tar;
+ int use_encryption = 0, userdata_encryption = 0, has_data_media = 0, use_compression = 0, include_root = 0;
+ int i, action = 0;
+ unsigned j;
+ string Directory, Tar_Filename;
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ string Password;
+#endif
+
+ if (argc < 2) {
+ usage();
+ return 0;
+ }
+
+ if (strcmp(argv[1], "-c") == 0)
+ action = 1; // create tar
+ else if (strcmp(argv[1], "-x") == 0)
+ action = 2; // extract tar
+ else {
+ printf("Invalid action '%s' specified.\n", argv[1]);
+ usage();
+ return -1;
+ }
+
+ for (i = 2; i < argc; i++) {
+ if (strcmp(argv[i], "-d") == 0) {
+ i++;
+ if (argc <= i) {
+ printf("No argument specified for %s\n", argv[i - 1]);
+ usage();
+ return -1;
+ } else {
+ Directory = argv[i];
+ }
+ } else if (strcmp(argv[i], "-t") == 0) {
+ i++;
+ if (argc <= i) {
+ printf("No argument specified for %s\n", argv[i - 1]);
+ usage();
+ return -1;
+ } else {
+ Tar_Filename = argv[i];
+ }
+ } else if (strcmp(argv[i], "-e") == 0) {
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ i++;
+ if (argc <= i) {
+ printf("No argument specified for %s\n", argv[i - 1]);
+ usage();
+ return -1;
+ } else {
+ use_encryption = 1;
+ Password = argv[i];
+ }
+#else
+ printf("Encrypted tar file support not present\n");
+ usage();
+ return -1;
+#endif
+ } else if (strcmp(argv[i], "-m") == 0) {
+ if (action == 2)
+ printf("NOTE: %s option not needed when extracting.\n", argv[i]);
+ has_data_media = 1;
+ } else if (strcmp(argv[i], "-z") == 0) {
+ if (action == 2)
+ printf("NOTE: %s option not needed when extracting.\n", argv[i]);
+ use_compression = 1;
+ } else if (strcmp(argv[i], "-u") == 0) {
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ if (action == 2)
+ printf("NOTE: %s option not needed when extracting.\n", argv[i]);
+ userdata_encryption = 1;
+#else
+ printf("Encrypted tar file support not present\n");
+ usage();
+ return -1;
+#endif
+ }
+ }
+
+ vector<string> excludedirs = du.get_absolute_dirs();
+ for (j = 0; j < excludedirs.size(); ++j) {
+ tar.setexcl(excludedirs.at(j));
+ }
+ tar.has_data_media = has_data_media;
+ tar.setdir(Directory);
+ tar.setfn(Tar_Filename);
+ tar.setsize(du.Get_Folder_Size(Directory));
+ tar.use_compression = use_compression;
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ if (userdata_encryption && !use_encryption) {
+ printf("userdata encryption set without encryption option\n");
+ usage();
+ return -1;
+ }
+ if (use_encryption) {
+ tar.use_encryption = use_encryption;
+ tar.userdata_encryption = userdata_encryption;
+ tar.setpassword(Password);
+ } else {
+ use_encryption = false;
+ }
+#endif
+ if (action == 1) {
+ if (tar.createTarFork() != 0) {
+ sync();
+ return -1;
+ }
+ sync();
+ printf("\n\ntar created successfully.\n");
+ } else if (action == 2) {
+ if (tar.extractTarFork() != 0) {
+ sync();
+ return -1;
+ }
+ sync();
+ printf("\n\ntar extracted successfully.\n");
+ }
+ return 0;
+}