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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;
}
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