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)
71 #define RSYNC_RSH "remsh"
73 #define RSYNC_RSH "rsh"
76 #include <sys/types.h>
78 #ifdef HAVE_GETOPT_LONG
81 #include "lib/getopt.h"
90 #ifdef HAVE_SYS_PARAM_H
91 #include <sys/param.h>
98 #ifdef HAVE_SYS_SOCKET_H
99 #include <sys/socket.h>
110 #ifdef TIME_WITH_SYS_TIME
111 #include <sys/time.h>
114 #ifdef HAVE_SYS_TIME_H
115 #include <sys/time.h>
124 #ifdef HAVE_SYS_FCNTL_H
125 #include <sys/fcntl.h>
129 #include <sys/stat.h>
131 #ifdef HAVE_SYS_IOCTL_H
132 #include <sys/ioctl.h>
135 #ifdef HAVE_SYS_FILIO_H
136 #include <sys/filio.h>
140 #ifdef HAVE_SYS_WAIT_H
141 #include <sys/wait.h>
151 #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
152 #include <sys/mman.h>
160 #ifdef HAVE_SYS_SELECT_H
161 #include <sys/select.h>
164 #ifdef HAVE_SYS_MODE_H
165 /* apparently AIX needs this for S_ISLNK */
167 #include <sys/mode.h>
174 #include "lib/fnmatch.h"
181 /* these are needed for the uid/gid mapping code */
186 #include <netinet/in.h>
187 #include <arpa/inet.h>
190 #include <sys/file.h>
195 # define dirent direct
197 # include <sys/ndir.h>
200 # include <sys/dir.h>
215 #define uchar unsigned char
218 #if HAVE_UNSIGNED_CHAR
219 #define schar signed char
225 #if (SIZEOF_INT == 4)
227 #elif (SIZEOF_LONG == 4)
229 #elif (SIZEOF_SHORT == 4)
232 /* I hope this works */
239 #define uint32 unsigned int32
243 #define OFF_T off64_t
244 #define STRUCT_STAT struct stat64
247 #define STRUCT_STAT struct stat
251 #define int64 off64_t
252 #elif (SIZEOF_LONG == 8)
254 #elif (SIZEOF_INT == 8)
257 #define int64 long long
270 #define MIN(a,b) ((a)<(b)?(a):(b))
274 #define MAX(a,b) ((a)>(b)?(a):(b))
277 /* the length of the md4 checksum */
278 #define MD4_SUM_LENGTH 16
279 #define SUM_LENGTH 16
282 #define MAXPATHLEN 1024
286 #define INADDR_NONE 0xffffffff
309 struct file_struct **files;
313 OFF_T offset; /* offset in file of this chunk */
314 int len; /* length of chunk of file */
315 int i; /* index of this chunk */
316 uint32 sum1; /* simple checksum */
317 char sum2[SUM_LENGTH]; /* checksum */
321 OFF_T flength; /* total file length */
322 int count; /* how many chunks */
323 int remainder; /* flength % block_length */
324 int n; /* block_length */
325 struct sum_buf *sums; /* points to info for each chunk */
331 OFF_T size, p_offset;
334 struct exclude_struct {
345 int64 total_transferred_size;
352 int num_transferred_files;
356 /* we need this function because of the silly way in which duplicate
357 entries are handled in the file lists - we can't change this
358 without breaking existing versions */
359 static inline int flist_up(struct file_list *flist, int i)
361 while (!flist->files[i]->basename) i++;
365 #include "byteorder.h"
368 #include "lib/mdfour.h"
371 extern char *sys_errlist[];
372 #define strerror(i) sys_errlist[i]
376 # define strchr index
377 # define strrchr rindex
380 #ifndef HAVE_ERRNO_DECL
384 #define SUPPORT_LINKS HAVE_READLINK
385 #define SUPPORT_HARD_LINKS HAVE_LINK
391 #define SIGNAL_CAST (RETSIGTYPE (*)())
394 #define EWOULDBLOCK EAGAIN
398 #define STDIN_FILENO 0
401 #ifndef STDOUT_FILENO
402 #define STDOUT_FILENO 1
405 #ifndef STDERR_FILENO
406 #define STDERR_FILENO 2
414 #define _S_IFMT 0170000
418 #define _S_IFLNK 0120000
422 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
426 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
430 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
435 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
437 #define S_ISSOCK(mode) (0)
443 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
445 #define S_ISFIFO(mode) (0)
450 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
454 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
458 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
461 #define ACCESSPERMS 0777
464 /* handler for null strings in printf format */
465 #define NS(s) ((s)?(s):"<NULL>")
467 /* use magic gcc attributes to catch format errors */
468 void rprintf(int , const char *, ...)
470 __attribute__ ((format (printf, 2, 3)))
474 #ifdef REPLACE_INET_NTOA
475 #define inet_ntoa rep_inet_ntoa
480 size_t strlcpy(char *d, const char *s, size_t bufsize);
484 size_t strlcat(char *d, const char *s, size_t bufsize);
487 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)