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.
23 #define BLOCK_SIZE 700
24 #define RSYNC_RSH_ENV "RSYNC_RSH"
26 #define RSYNC_NAME "rsync"
27 #define RSYNCD_CONF "/etc/rsyncd.conf"
29 #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
30 #define URL_PREFIX "rsync://"
32 #define BACKUP_SUFFIX "~"
34 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
35 incompatible with older versions :-( */
39 #define FLAG_DELETE (1<<0)
40 #define SAME_MODE (1<<1)
41 #define SAME_RDEV (1<<2)
42 #define SAME_UID (1<<3)
43 #define SAME_GID (1<<4)
44 #define SAME_DIR (1<<5)
45 #define SAME_NAME SAME_DIR
46 #define LONG_NAME (1<<6)
47 #define SAME_TIME (1<<7)
49 /* update this if you make incompatible changes */
50 #define PROTOCOL_VERSION 22
51 #define MIN_PROTOCOL_VERSION 11
52 #define MAX_PROTOCOL_VERSION 30
54 #define RSYNC_PORT 873
56 #define SPARSE_WRITE_SIZE (1024)
57 #define WRITE_SIZE (32*1024)
58 #define CHUNK_SIZE (32*1024)
59 #define MAX_MAP_SIZE (256*1024)
60 #define IO_BUFFER_SIZE (4092)
74 #define RSYNC_RSH "remsh"
76 #define RSYNC_RSH "rsh"
79 #include <sys/types.h>
81 #ifdef HAVE_GETOPT_LONG
84 #include "lib/getopt.h"
93 #ifdef HAVE_SYS_PARAM_H
94 #include <sys/param.h>
101 #ifdef HAVE_SYS_SOCKET_H
102 #include <sys/socket.h>
113 #ifdef TIME_WITH_SYS_TIME
114 #include <sys/time.h>
117 #ifdef HAVE_SYS_TIME_H
118 #include <sys/time.h>
127 #ifdef HAVE_SYS_FCNTL_H
128 #include <sys/fcntl.h>
132 #include <sys/stat.h>
134 #ifdef HAVE_SYS_IOCTL_H
135 #include <sys/ioctl.h>
138 #ifdef HAVE_SYS_FILIO_H
139 #include <sys/filio.h>
143 #ifdef HAVE_SYS_WAIT_H
144 #include <sys/wait.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 #ifndef MAXHOSTNAMELEN
276 #define MAXHOSTNAMELEN 256
279 /* the length of the md4 checksum */
280 #define MD4_SUM_LENGTH 16
281 #define SUM_LENGTH 16
284 #define MAXPATHLEN 1024
292 #define INADDR_NONE 0xffffffff
316 struct file_struct **files;
320 OFF_T offset; /* offset in file of this chunk */
321 int len; /* length of chunk of file */
322 int i; /* index of this chunk */
323 uint32 sum1; /* simple checksum */
324 char sum2[SUM_LENGTH]; /* checksum */
328 OFF_T flength; /* total file length */
329 int count; /* how many chunks */
330 int remainder; /* flength % block_length */
331 int n; /* block_length */
332 struct sum_buf *sums; /* points to info for each chunk */
338 OFF_T file_size, p_offset, p_fd_offset;
341 struct exclude_struct {
353 int64 total_transferred_size;
360 int num_transferred_files;
364 /* we need this function because of the silly way in which duplicate
365 entries are handled in the file lists - we can't change this
366 without breaking existing versions */
367 static inline int flist_up(struct file_list *flist, int i)
369 while (!flist->files[i]->basename) i++;
373 #include "byteorder.h"
376 #include "lib/mdfour.h"
379 extern char *sys_errlist[];
380 #define strerror(i) sys_errlist[i]
384 # define strchr index
385 # define strrchr rindex
388 #ifndef HAVE_ERRNO_DECL
392 #define SUPPORT_LINKS HAVE_READLINK
393 #define SUPPORT_HARD_LINKS HAVE_LINK
399 #define SIGNAL_CAST (RETSIGTYPE (*)())
402 #define EWOULDBLOCK EAGAIN
406 #define STDIN_FILENO 0
409 #ifndef STDOUT_FILENO
410 #define STDOUT_FILENO 1
413 #ifndef STDERR_FILENO
414 #define STDERR_FILENO 2
422 #define _S_IFMT 0170000
426 #define _S_IFLNK 0120000
430 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
434 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
438 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
443 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
445 #define S_ISSOCK(mode) (0)
451 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
453 #define S_ISFIFO(mode) (0)
458 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
462 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
466 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
469 #define ACCESSPERMS 0777
471 /* Initial mask on permissions given to temporary files. Mask off setuid
472 bits and group access because of potential race-condition security
473 holes, and mask other access because mode 707 is bizarre */
474 #define INITACCESSPERMS 0700
476 /* handler for null strings in printf format */
477 #define NS(s) ((s)?(s):"<NULL>")
479 /* use magic gcc attributes to catch format errors */
480 void rprintf(int , const char *, ...)
482 __attribute__ ((format (printf, 2, 3)))
486 #ifdef REPLACE_INET_NTOA
487 #define inet_ntoa rep_inet_ntoa
492 size_t strlcpy(char *d, const char *s, size_t bufsize);
496 size_t strlcat(char *d, const char *s, size_t bufsize);
499 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)