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 BACKUP_SUFFIX "~"
26 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
27 imcompatible with older versions :-( */
31 #define FLAG_DELETE (1<<0)
32 #define SAME_MODE (1<<1)
33 #define SAME_RDEV (1<<2)
34 #define SAME_UID (1<<3)
35 #define SAME_GID (1<<4)
36 #define SAME_DIR (1<<5)
37 #define SAME_NAME SAME_DIR
38 #define LONG_NAME (1<<6)
39 #define SAME_TIME (1<<7)
41 /* update this if you make incompatible changes */
42 #define PROTOCOL_VERSION 17
43 #define MIN_PROTOCOL_VERSION 11
44 #define MAX_PROTOCOL_VERSION 30
46 #define SPARSE_WRITE_SIZE (1024)
47 #define WRITE_SIZE (32*1024)
48 #define CHUNK_SIZE (32*1024)
49 #define MAX_MAP_SIZE (4*1024*1024)
51 #define BLOCKING_TIMEOUT 10
54 #define FINFO (am_server?stderr:stdout)
59 #define RSYNC_RSH "remsh"
61 #define RSYNC_RSH "rsh"
64 #include <sys/types.h>
70 #ifdef HAVE_SYS_PARAM_H
71 #include <sys/param.h>
78 #ifdef HAVE_SYS_SOCKET_H
79 #include <sys/socket.h>
94 #ifdef TIME_WITH_SYS_TIME
98 #ifdef HAVE_SYS_TIME_H
108 #ifdef HAVE_SYS_FCNTL_H
109 #include <sys/fcntl.h>
113 #include <sys/stat.h>
115 #ifdef HAVE_SYS_IOCTL_H
116 #include <sys/ioctl.h>
119 #ifdef HAVE_SYS_FILIO_H
120 #include <sys/filio.h>
124 #ifdef HAVE_SYS_WAIT_H
125 #include <sys/wait.h>
136 #include <sys/mman.h>
143 #ifdef HAVE_SYS_SELECT_H
144 #include <sys/select.h>
147 #ifdef HAVE_SYS_MODE_H
148 /* apparently AIX needs this for S_ISLNK */
150 #include <sys/mode.h>
157 #include "lib/fnmatch.h"
160 #ifdef HAVE_GETOPT_LONG
163 #include "lib/getopt.h"
166 /* these are needed for the uid/gid mapping code */
171 #define S_IFLNK 0120000
175 #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
179 #define uchar unsigned char
182 #if HAVE_UNSIGNED_CHAR
183 #define schar signed char
189 #if (SIZEOF_INT == 4)
191 #elif (SIZEOF_LONG == 4)
193 #elif (SIZEOF_SHORT == 4)
199 #define uint32 unsigned int32
203 #define OFF_T off64_t
204 #define STRUCT_STAT struct stat64
207 #define STRUCT_STAT struct stat
211 #define int64 off64_t
212 #elif (SIZEOF_LONG == 8)
214 #elif (SIZEOF_INT == 8)
217 #define int64 long long
224 #define MIN(a,b) ((a)<(b)?(a):(b))
228 #define MAX(a,b) ((a)>(b)?(a):(b))
231 /* the length of the md4 checksum */
232 #define MD4_SUM_LENGTH 16
233 #define SUM_LENGTH 16
236 #define MAXPATHLEN 1024
259 struct file_struct **files;
263 OFF_T offset; /* offset in file of this chunk */
264 int len; /* length of chunk of file */
265 int i; /* index of this chunk */
266 uint32 sum1; /* simple checksum */
267 char sum2[SUM_LENGTH]; /* checksum */
271 OFF_T flength; /* total file length */
272 int count; /* how many chunks */
273 int remainder; /* flength % block_length */
274 int n; /* block_length */
275 struct sum_buf *sums; /* points to info for each chunk */
281 OFF_T size, p_offset;
284 /* we need this function because of the silly way in which duplicate
285 entries are handled in the file lists - we can't change this
286 without breaking existing versions */
287 static inline int flist_up(struct file_list *flist, int i)
289 while (!flist->files[i]->basename) i++;
296 # define dirent direct
298 # include <sys/ndir.h>
301 # include <sys/dir.h>
308 #include "byteorder.h"
314 extern char *sys_errlist[];
315 #define strerror(i) sys_errlist[i]
319 # define strchr index
320 # define strrchr rindex
323 #ifndef HAVE_ERRNO_DECL
328 #define bcopy(src,dest,n) memcpy(dest,src,n)
332 #define bzero(buf,n) memset(buf,0,n)
335 #define SUPPORT_LINKS HAVE_READLINK
336 #define SUPPORT_HARD_LINKS HAVE_LINK
342 #define SIGNAL_CAST (RETSIGTYPE (*)())
345 #define EWOULDBLOCK EAGAIN
349 #define STDIN_FILENO 0
352 #ifndef STDOUT_FILENO
353 #define STDOUT_FILENO 1
356 #ifndef STDERR_FILENO
357 #define STDERR_FILENO 2
365 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
369 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
374 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
376 #define S_ISSOCK(mode) (0)
382 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
384 #define S_ISFIFO(mode) (0)
389 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
393 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
397 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))