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/*
Copyright 2012 to 2016 bigbiff/Dees_Troy 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/>.
*/
extern "C" {
#include "libtar/libtar.h"
}
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <fstream>
#include <string>
#include <vector>
#include "twrpDU.hpp"
#include "progresstracking.hpp"
#include "partitions.hpp"
#include "twrp-functions.hpp"
using namespace std;
struct TarListStruct {
std::string fn;
unsigned thread_id;
};
struct thread_data_struct {
std::vector<TarListStruct> *TarList;
unsigned thread_id;
};
class twrpTar {
public:
twrpTar();
virtual ~twrpTar();
int createTarFork(pid_t *tar_fork_pid);
int extractTarFork();
void setfn(string fn);
void setdir(string dir);
void setsize(unsigned long long backup_size);
void setpassword(string pass);
unsigned long long get_size();
void Set_Archive_Type(Archive_Type archive_type);
public:
int use_encryption;
int userdata_encryption;
int use_compression;
int split_archives;
int has_data_media;
string backup_name;
int progress_pipe_fd;
string partition_name;
string backup_folder;
PartitionSettings *part_settings;
private:
int extract();
int addFilesToExistingTar(vector <string> files, string tarFile);
int createTar();
int addFile(string fn, bool include_root);
int entryExists(string entry);
int closeTar();
int removeEOT(string tarFile);
int extractTar();
string Strip_Root_Dir(string Path);
int openTar();
int Generate_TarList(string Path, std::vector<TarListStruct> *TarList, unsigned long long *Target_Size, unsigned *thread_id);
static void* createList(void *cookie);
static void* extractMulti(void *cookie);
int tarList(std::vector<TarListStruct> *TarList, unsigned thread_id);
unsigned long long uncompressedSize(string filename);
static void Signal_Kill(int signum);
enum Archive_Type current_archive_type;
unsigned long long Archive_Current_Size;
unsigned long long Total_Backup_Size;
bool include_root_dir;
TAR *t;
tartype_t tar_type; // Only used in createTar() but variable must persist while the tar is open
int fd;
int input_fd; // this stores the fd for libtar to write to
pid_t pigz_pid;
pid_t oaes_pid;
unsigned long long file_count;
string tardir;
string tarfn;
string basefn;
string password;
std::vector<TarListStruct> *ItemList;
int output_fd; // this stores the output fd that gzip will read from
int adb_control_twrp_fd, adb_control_bu_fd; // fds for twrp to twrp bu and bu to twrp control fifos
unsigned thread_id;
};
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