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 (256*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>
155 #ifdef HAVE_SYS_SELECT_H
156 #include <sys/select.h>
159 #ifdef HAVE_SYS_MODE_H
160 /* apparently AIX needs this for S_ISLNK */
162 #include <sys/mode.h>
169 #include "lib/fnmatch.h"
176 /* these are needed for the uid/gid mapping code */
181 #include <netinet/in.h>
182 #include <arpa/inet.h>
185 #include <sys/file.h>
190 # define dirent direct
192 # include <sys/ndir.h>
195 # include <sys/dir.h>
210 #define uchar unsigned char
213 #if HAVE_UNSIGNED_CHAR
214 #define schar signed char
220 #if (SIZEOF_INT == 4)
222 #elif (SIZEOF_LONG == 4)
224 #elif (SIZEOF_SHORT == 4)
227 /* I hope this works */
234 #define uint32 unsigned int32
238 #define OFF_T off64_t
239 #define STRUCT_STAT struct stat64
242 #define STRUCT_STAT struct stat
246 #define int64 off64_t
247 #elif (SIZEOF_LONG == 8)
249 #elif (SIZEOF_INT == 8)
252 #define int64 long long
265 #define MIN(a,b) ((a)<(b)?(a):(b))
269 #define MAX(a,b) ((a)>(b)?(a):(b))
272 /* the length of the md4 checksum */
273 #define MD4_SUM_LENGTH 16
274 #define SUM_LENGTH 16
277 #define MAXPATHLEN 1024
281 #define INADDR_NONE 0xffffffff
305 struct file_struct **files;
309 OFF_T offset; /* offset in file of this chunk */
310 int len; /* length of chunk of file */
311 int i; /* index of this chunk */
312 uint32 sum1; /* simple checksum */
313 char sum2[SUM_LENGTH]; /* checksum */
317 OFF_T flength; /* total file length */
318 int count; /* how many chunks */
319 int remainder; /* flength % block_length */
320 int n; /* block_length */
321 struct sum_buf *sums; /* points to info for each chunk */
327 OFF_T file_size, p_offset, p_fd_offset;
330 struct exclude_struct {
341 int64 total_transferred_size;
348 int num_transferred_files;
352 /* we need this function because of the silly way in which duplicate
353 entries are handled in the file lists - we can't change this
354 without breaking existing versions */
355 static inline int flist_up(struct file_list *flist, int i)
357 while (!flist->files[i]->basename) i++;
361 #include "byteorder.h"
364 #include "lib/mdfour.h"
367 extern char *sys_errlist[];
368 #define strerror(i) sys_errlist[i]
372 # define strchr index
373 # define strrchr rindex
376 #ifndef HAVE_ERRNO_DECL
380 #define SUPPORT_LINKS HAVE_READLINK
381 #define SUPPORT_HARD_LINKS HAVE_LINK
387 #define SIGNAL_CAST (RETSIGTYPE (*)())
390 #define EWOULDBLOCK EAGAIN
394 #define STDIN_FILENO 0
397 #ifndef STDOUT_FILENO
398 #define STDOUT_FILENO 1
401 #ifndef STDERR_FILENO
402 #define STDERR_FILENO 2
410 #define _S_IFMT 0170000
414 #define _S_IFLNK 0120000
418 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
422 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
426 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
431 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
433 #define S_ISSOCK(mode) (0)
439 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
441 #define S_ISFIFO(mode) (0)
446 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
450 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
454 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
457 #define ACCESSPERMS 0777
460 /* handler for null strings in printf format */
461 #define NS(s) ((s)?(s):"<NULL>")
463 /* use magic gcc attributes to catch format errors */
464 void rprintf(int , const char *, ...)
466 __attribute__ ((format (printf, 2, 3)))
470 #ifdef REPLACE_INET_NTOA
471 #define inet_ntoa rep_inet_ntoa
476 size_t strlcpy(char *d, const char *s, size_t bufsize);
480 size_t strlcat(char *d, const char *s, size_t bufsize);
483 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)