2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #define BLOCK_SIZE 700
21 #define RSYNC_RSH_ENV "RSYNC_RSH"
23 #define RSYNC_NAME "rsync"
24 #define RSYNCD_CONF "/etc/rsyncd.conf"
26 #define BACKUP_SUFFIX "~"
28 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
29 imcompatible with older versions :-( */
33 #define FLAG_DELETE (1<<0)
34 #define SAME_MODE (1<<1)
35 #define SAME_RDEV (1<<2)
36 #define SAME_UID (1<<3)
37 #define SAME_GID (1<<4)
38 #define SAME_DIR (1<<5)
39 #define SAME_NAME SAME_DIR
40 #define LONG_NAME (1<<6)
41 #define SAME_TIME (1<<7)
43 /* update this if you make incompatible changes */
44 #define PROTOCOL_VERSION 19
45 #define MIN_PROTOCOL_VERSION 11
46 #define MAX_PROTOCOL_VERSION 30
48 #define RSYNC_PORT 873
50 #define SPARSE_WRITE_SIZE (1024)
51 #define WRITE_SIZE (32*1024)
52 #define CHUNK_SIZE (32*1024)
53 #define MAX_MAP_SIZE (1*1024*1024)
54 #define IO_BUFFER_SIZE (4092)
55 #define MAX_READ_BUFFER (1024*1024)
67 #define RSYNC_RSH "remsh"
69 #define RSYNC_RSH "rsh"
72 #include <sys/types.h>
74 #ifdef HAVE_GETOPT_LONG
77 #include "lib/getopt.h"
86 #ifdef HAVE_SYS_PARAM_H
87 #include <sys/param.h>
94 #ifdef HAVE_SYS_SOCKET_H
95 #include <sys/socket.h>
106 #ifdef TIME_WITH_SYS_TIME
107 #include <sys/time.h>
110 #ifdef HAVE_SYS_TIME_H
111 #include <sys/time.h>
120 #ifdef HAVE_SYS_FCNTL_H
121 #include <sys/fcntl.h>
125 #include <sys/stat.h>
127 #ifdef HAVE_SYS_IOCTL_H
128 #include <sys/ioctl.h>
131 #ifdef HAVE_SYS_FILIO_H
132 #include <sys/filio.h>
136 #ifdef HAVE_SYS_WAIT_H
137 #include <sys/wait.h>
147 #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
148 #include <sys/mman.h>
156 #ifdef HAVE_SYS_SELECT_H
157 #include <sys/select.h>
160 #ifdef HAVE_SYS_MODE_H
161 /* apparently AIX needs this for S_ISLNK */
163 #include <sys/mode.h>
170 #include "lib/fnmatch.h"
177 /* these are needed for the uid/gid mapping code */
182 #include <netinet/in.h>
183 #include <arpa/inet.h>
186 #include <sys/file.h>
191 # define dirent direct
193 # include <sys/ndir.h>
196 # include <sys/dir.h>
211 #define uchar unsigned char
214 #if HAVE_UNSIGNED_CHAR
215 #define schar signed char
221 #if (SIZEOF_INT == 4)
223 #elif (SIZEOF_LONG == 4)
225 #elif (SIZEOF_SHORT == 4)
231 #define uint32 unsigned int32
235 #define OFF_T off64_t
236 #define STRUCT_STAT struct stat64
239 #define STRUCT_STAT struct stat
243 #define int64 off64_t
244 #elif (SIZEOF_LONG == 8)
246 #elif (SIZEOF_INT == 8)
249 #define int64 long long
262 #define MIN(a,b) ((a)<(b)?(a):(b))
266 #define MAX(a,b) ((a)>(b)?(a):(b))
269 /* the length of the md4 checksum */
270 #define MD4_SUM_LENGTH 16
271 #define SUM_LENGTH 16
274 #define MAXPATHLEN 1024
278 #define INADDR_NONE 0xffffffff
301 struct file_struct **files;
305 OFF_T offset; /* offset in file of this chunk */
306 int len; /* length of chunk of file */
307 int i; /* index of this chunk */
308 uint32 sum1; /* simple checksum */
309 char sum2[SUM_LENGTH]; /* checksum */
313 OFF_T flength; /* total file length */
314 int count; /* how many chunks */
315 int remainder; /* flength % block_length */
316 int n; /* block_length */
317 struct sum_buf *sums; /* points to info for each chunk */
323 OFF_T size, p_offset;
326 struct exclude_struct {
337 int64 total_transferred_size;
344 int num_transferred_files;
348 /* we need this function because of the silly way in which duplicate
349 entries are handled in the file lists - we can't change this
350 without breaking existing versions */
351 static inline int flist_up(struct file_list *flist, int i)
353 while (!flist->files[i]->basename) i++;
357 #include "byteorder.h"
363 extern char *sys_errlist[];
364 #define strerror(i) sys_errlist[i]
368 # define strchr index
369 # define strrchr rindex
372 #ifndef HAVE_ERRNO_DECL
376 #define SUPPORT_LINKS HAVE_READLINK
377 #define SUPPORT_HARD_LINKS HAVE_LINK
383 #define SIGNAL_CAST (RETSIGTYPE (*)())
386 #define EWOULDBLOCK EAGAIN
390 #define STDIN_FILENO 0
393 #ifndef STDOUT_FILENO
394 #define STDOUT_FILENO 1
397 #ifndef STDERR_FILENO
398 #define STDERR_FILENO 2
406 #define _S_IFMT 0170000
410 #define _S_IFLNK 0120000
414 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
418 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
422 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
427 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
429 #define S_ISSOCK(mode) (0)
435 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
437 #define S_ISFIFO(mode) (0)
442 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
446 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
450 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
453 #define ACCESSPERMS 0777