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104 lines
3.3 KiB
104 lines
3.3 KiB
/*
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* The Qubes OS Project, http://www.qubes-os.org
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*
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* Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
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* Copyright (C) 2013 Marek Marczykowski <marmarek@invisiblethingslab.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef _LIBQUBES_RPC_FILECOPY_H
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#define _LIBQUBES_RPC_FILECOPY_H
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#define FILECOPY_VMNAME_SIZE 32
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#define PROGRESS_NOTIFY_DELTA (15*1000*1000)
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#define MAX_PATH_LENGTH 16384
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#define LEGAL_EOF 31415926
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#include <stdint.h>
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#include <stdarg.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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struct file_header {
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uint32_t namelen;
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uint32_t mode;
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uint64_t filelen;
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uint32_t atime;
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uint32_t atime_nsec;
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uint32_t mtime;
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uint32_t mtime_nsec;
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};
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struct result_header {
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uint32_t error_code;
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uint32_t _pad;
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uint64_t crc32;
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} __attribute__((packed));
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/* optional info about last processed file */
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struct result_header_ext {
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uint32_t last_namelen;
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char last_name[0];
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} __attribute__((packed));
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enum {
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COPY_FILE_OK,
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COPY_FILE_READ_EOF,
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COPY_FILE_READ_ERROR,
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COPY_FILE_WRITE_ERROR
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};
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/* feedback handling */
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typedef void (notify_progress_t)(int, int);
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typedef void (error_handler_t)(const char *fmt, va_list args);
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void register_notify_progress(notify_progress_t *func);
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void register_error_handler(error_handler_t *func);
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/* common functions */
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int copy_file(int outfd, int infd, long long size, unsigned long *crc32);
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const char *copy_file_status_to_str(int status);
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void set_size_limit(unsigned long long new_bytes_limit, unsigned long long new_files_limit);
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void set_verbose(int value);
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/* register open fd to /proc/PID/fd of this process */
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void set_procfs_fd(int value);
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int write_all(int fd, const void *buf, int size);
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int read_all(int fd, void *buf, int size);
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int copy_fd_all(int fdout, int fdin);
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void set_nonblock(int fd);
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void set_block(int fd);
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/* unpacking */
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extern unsigned long Crc32_ComputeBuf( unsigned long inCrc32, const void *buf,
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size_t bufLen );
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extern int do_unpack(void);
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/* packing */
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int single_file_processor(const char *filename, const struct stat *st);
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int do_fs_walk(const char *file, int ignore_symlinks);
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/* used in tar2qfile to alter only headers, but keep original file stream */
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void write_headers(const struct file_header *hdr, const char *filename);
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int copy_file_with_crc(int outfd, int infd, long long size);
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/* MUST be called before first do_fs_walk/single_file_processor */
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void qfile_pack_init(void);
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void set_ignore_quota_error(int value);
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/* those two will call registered error handler if needed */
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void wait_for_result(void);
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void notify_end_and_wait_for_result(void);
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#endif /* _LIBQUBES_RPC_FILECOPY_H */
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