qubes-linux-utils/qrexec-lib/libqubes-rpc-filecopy.h
Marek Marczykowski-Górecki 410ad3d25f
qrexec-lib: convert tabs to spaces
- Fix compile error on gcc 6 (-Werror=misleading-indentation)
- Follow coding style: https://www.qubes-os.org/doc/coding-style/
2016-06-02 02:32:46 +02:00

104 lines
3.3 KiB
C

/*
* The Qubes OS Project, http://www.qubes-os.org
*
* Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
* Copyright (C) 2013 Marek Marczykowski <marmarek@invisiblethingslab.com>
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef _LIBQUBES_RPC_FILECOPY_H
#define _LIBQUBES_RPC_FILECOPY_H
#define FILECOPY_VMNAME_SIZE 32
#define PROGRESS_NOTIFY_DELTA (15*1000*1000)
#define MAX_PATH_LENGTH 16384
#define LEGAL_EOF 31415926
#include <stdint.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
struct file_header {
unsigned int namelen;
unsigned int mode;
unsigned long long filelen;
unsigned int atime;
unsigned int atime_nsec;
unsigned int mtime;
unsigned int mtime_nsec;
};
struct result_header {
uint32_t error_code;
uint32_t _pad;
uint64_t crc32;
} __attribute__((packed));
/* optional info about last processed file */
struct result_header_ext {
uint32_t last_namelen;
char last_name[0];
} __attribute__((packed));
enum {
COPY_FILE_OK,
COPY_FILE_READ_EOF,
COPY_FILE_READ_ERROR,
COPY_FILE_WRITE_ERROR
};
/* feedback handling */
typedef void (notify_progress_t)(int, int);
typedef void (error_handler_t)(const char *fmt, va_list args);
void register_notify_progress(notify_progress_t *func);
void register_error_handler(error_handler_t *func);
/* common functions */
int copy_file(int outfd, int infd, long long size, unsigned long *crc32);
const char *copy_file_status_to_str(int status);
void set_size_limit(unsigned long long new_bytes_limit, unsigned long long new_files_limit);
void set_verbose(int value);
/* register open fd to /proc/PID/fd of this process */
void set_procfs_fd(int value);
int write_all(int fd, const void *buf, int size);
int read_all(int fd, void *buf, int size);
int copy_fd_all(int fdout, int fdin);
void set_nonblock(int fd);
void set_block(int fd);
/* unpacking */
extern unsigned long Crc32_ComputeBuf( unsigned long inCrc32, const void *buf,
size_t bufLen );
extern int do_unpack(void);
/* packing */
int single_file_processor(const char *filename, const struct stat *st);
int do_fs_walk(const char *file, int ignore_symlinks);
/* used in tar2qfile to alter only headers, but keep original file stream */
void write_headers(const struct file_header *hdr, const char *filename);
int copy_file_with_crc(int outfd, int infd, long long size);
/* MUST be called before first do_fs_walk/single_file_processor */
void qfile_pack_init(void);
void set_ignore_quota_error(int value);
/* those two will call registered error handler if needed */
void wait_for_result(void);
void notify_end_and_wait_for_result(void);
#endif /* _LIBQUBES_RPC_FILECOPY_H */