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 URL_PREFIX "rsync://"
28 #define BACKUP_SUFFIX "~"
30 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
31 imcompatible with older versions :-( */
35 #define FLAG_DELETE (1<<0)
36 #define SAME_MODE (1<<1)
37 #define SAME_RDEV (1<<2)
38 #define SAME_UID (1<<3)
39 #define SAME_GID (1<<4)
40 #define SAME_DIR (1<<5)
41 #define SAME_NAME SAME_DIR
42 #define LONG_NAME (1<<6)
43 #define SAME_TIME (1<<7)
45 /* update this if you make incompatible changes */
46 #define PROTOCOL_VERSION 19
47 #define MIN_PROTOCOL_VERSION 11
48 #define MAX_PROTOCOL_VERSION 30
50 #define RSYNC_PORT 873
52 #define SPARSE_WRITE_SIZE (1024)
53 #define WRITE_SIZE (32*1024)
54 #define CHUNK_SIZE (32*1024)
55 #define MAX_MAP_SIZE (1*1024*1024)
56 #define IO_BUFFER_SIZE (4092)
57 #define MAX_READ_BUFFER (1024*1024)
69 #define RSYNC_RSH "remsh"
71 #define RSYNC_RSH "rsh"
74 #include <sys/types.h>
76 #ifdef HAVE_GETOPT_LONG
79 #include "lib/getopt.h"
88 #ifdef HAVE_SYS_PARAM_H
89 #include <sys/param.h>
96 #ifdef HAVE_SYS_SOCKET_H
97 #include <sys/socket.h>
108 #ifdef TIME_WITH_SYS_TIME
109 #include <sys/time.h>
112 #ifdef HAVE_SYS_TIME_H
113 #include <sys/time.h>
122 #ifdef HAVE_SYS_FCNTL_H
123 #include <sys/fcntl.h>
127 #include <sys/stat.h>
129 #ifdef HAVE_SYS_IOCTL_H
130 #include <sys/ioctl.h>
133 #ifdef HAVE_SYS_FILIO_H
134 #include <sys/filio.h>
138 #ifdef HAVE_SYS_WAIT_H
139 #include <sys/wait.h>
149 #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
150 #include <sys/mman.h>
158 #ifdef HAVE_SYS_SELECT_H
159 #include <sys/select.h>
162 #ifdef HAVE_SYS_MODE_H
163 /* apparently AIX needs this for S_ISLNK */
165 #include <sys/mode.h>
172 #include "lib/fnmatch.h"
179 /* these are needed for the uid/gid mapping code */
184 #include <netinet/in.h>
185 #include <arpa/inet.h>
188 #include <sys/file.h>
193 # define dirent direct
195 # include <sys/ndir.h>
198 # include <sys/dir.h>
213 #define uchar unsigned char
216 #if HAVE_UNSIGNED_CHAR
217 #define schar signed char
223 #if (SIZEOF_INT == 4)
225 #elif (SIZEOF_LONG == 4)
227 #elif (SIZEOF_SHORT == 4)
230 /* I hope this works */
237 #define uint32 unsigned int32
241 #define OFF_T off64_t
242 #define STRUCT_STAT struct stat64
245 #define STRUCT_STAT struct stat
249 #define int64 off64_t
250 #elif (SIZEOF_LONG == 8)
252 #elif (SIZEOF_INT == 8)
255 #define int64 long long
268 #define MIN(a,b) ((a)<(b)?(a):(b))
272 #define MAX(a,b) ((a)>(b)?(a):(b))
275 /* the length of the md4 checksum */
276 #define MD4_SUM_LENGTH 16
277 #define SUM_LENGTH 16
280 #define MAXPATHLEN 1024
284 #define INADDR_NONE 0xffffffff
307 struct file_struct **files;
311 OFF_T offset; /* offset in file of this chunk */
312 int len; /* length of chunk of file */
313 int i; /* index of this chunk */
314 uint32 sum1; /* simple checksum */
315 char sum2[SUM_LENGTH]; /* checksum */
319 OFF_T flength; /* total file length */
320 int count; /* how many chunks */
321 int remainder; /* flength % block_length */
322 int n; /* block_length */
323 struct sum_buf *sums; /* points to info for each chunk */
329 OFF_T size, p_offset;
332 struct exclude_struct {
343 int64 total_transferred_size;
350 int num_transferred_files;
354 /* we need this function because of the silly way in which duplicate
355 entries are handled in the file lists - we can't change this
356 without breaking existing versions */
357 static inline int flist_up(struct file_list *flist, int i)
359 while (!flist->files[i]->basename) i++;
363 #include "byteorder.h"
366 #include "lib/mdfour.h"
369 extern char *sys_errlist[];
370 #define strerror(i) sys_errlist[i]
374 # define strchr index
375 # define strrchr rindex
378 #ifndef HAVE_ERRNO_DECL
382 #define SUPPORT_LINKS HAVE_READLINK
383 #define SUPPORT_HARD_LINKS HAVE_LINK
389 #define SIGNAL_CAST (RETSIGTYPE (*)())
392 #define EWOULDBLOCK EAGAIN
396 #define STDIN_FILENO 0
399 #ifndef STDOUT_FILENO
400 #define STDOUT_FILENO 1
403 #ifndef STDERR_FILENO
404 #define STDERR_FILENO 2
412 #define _S_IFMT 0170000
416 #define _S_IFLNK 0120000
420 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
424 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
428 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
433 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
435 #define S_ISSOCK(mode) (0)
441 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
443 #define S_ISFIFO(mode) (0)
448 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
452 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
456 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
459 #define ACCESSPERMS 0777
462 /* handler for null strings in printf format */
463 #define NS(s) ((s)?(s):"<NULL>")
465 /* use magic gcc attributes to catch format errors */
466 void rprintf(int , const char *, ...)
468 __attribute__ ((format (printf, 2, 3)))
472 #ifdef REPLACE_INET_NTOA
473 #define inet_ntoa rep_inet_ntoa