Commit | Line | Data |
---|---|---|
c627d613 | 1 | /* |
a039749b | 2 | Copyright (C) by Andrew Tridgell 1996, 2000 |
c627d613 | 3 | Copyright (C) Paul Mackerras 1996 |
e420b9d8 | 4 | Copyright (C) 2001 by Martin Pool <mbp@samba.org> |
c627d613 AT |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
d41c7d02 DD |
21 | #define False 0 |
22 | #define True 1 | |
23 | ||
c627d613 AT |
24 | #define BLOCK_SIZE 700 |
25 | #define RSYNC_RSH_ENV "RSYNC_RSH" | |
7b8356d0 | 26 | |
c627d613 | 27 | #define RSYNC_NAME "rsync" |
f0fca04e | 28 | #define RSYNCD_CONF "/etc/rsyncd.conf" |
f0fca04e | 29 | |
5e71c444 | 30 | #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock" |
f7632fc6 AT |
31 | #define URL_PREFIX "rsync://" |
32 | ||
c627d613 AT |
33 | #define BACKUP_SUFFIX "~" |
34 | ||
1b01b295 | 35 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
6543dc0c | 36 | incompatible with older versions :-( */ |
1b01b295 AT |
37 | #define CHAR_OFFSET 0 |
38 | ||
39 | ||
3333ffbd | 40 | #define FLAG_DELETE (1<<0) |
4fe159a8 | 41 | #define SAME_MODE (1<<1) |
dc5ddbcc | 42 | #define SAME_RDEV (1<<2) |
4fe159a8 AT |
43 | #define SAME_UID (1<<3) |
44 | #define SAME_GID (1<<4) | |
45 | #define SAME_DIR (1<<5) | |
46 | #define SAME_NAME SAME_DIR | |
47 | #define LONG_NAME (1<<6) | |
48 | #define SAME_TIME (1<<7) | |
49 | ||
c627d613 | 50 | /* update this if you make incompatible changes */ |
8ada7518 | 51 | #define PROTOCOL_VERSION 24 |
ff41a59f | 52 | #define MIN_PROTOCOL_VERSION 15 |
6ba9279f | 53 | #define MAX_PROTOCOL_VERSION 30 |
c627d613 | 54 | |
9486289c AT |
55 | #define RSYNC_PORT 873 |
56 | ||
d867229b | 57 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 58 | #define WRITE_SIZE (32*1024) |
34ccb63e | 59 | #define CHUNK_SIZE (32*1024) |
4440b8aa | 60 | #define MAX_MAP_SIZE (256*1024) |
e3fe383a | 61 | #define IO_BUFFER_SIZE (4092) |
c627d613 | 62 | |
874895d5 | 63 | #define MAX_ARGS 1000 |
f0fca04e | 64 | |
8d9dc9f9 | 65 | #define MPLEX_BASE 7 |
ff41a59f | 66 | |
e420b9d8 MP |
67 | /* Log values. I *think* what these mean is: FLOG goes to the server |
68 | * logfile; FERROR and FINFO try to end up on the client, with | |
69 | * different levels of filtering. */ | |
a039749b | 70 | enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 }; |
7bec6a5c | 71 | |
65417579 AT |
72 | #include "errcode.h" |
73 | ||
c627d613 AT |
74 | #include "config.h" |
75 | ||
24d95c03 AT |
76 | #if HAVE_REMSH |
77 | #define RSYNC_RSH "remsh" | |
78 | #else | |
79 | #define RSYNC_RSH "rsh" | |
80 | #endif | |
81 | ||
c627d613 | 82 | #include <sys/types.h> |
6ed67e6d | 83 | |
c627d613 AT |
84 | #ifdef HAVE_UNISTD_H |
85 | #include <unistd.h> | |
86 | #endif | |
87 | #include <stdio.h> | |
3591c066 | 88 | #include <stddef.h> |
c627d613 AT |
89 | |
90 | #ifdef HAVE_SYS_PARAM_H | |
91 | #include <sys/param.h> | |
92 | #endif | |
93 | ||
d7b305fd AT |
94 | #ifdef HAVE_STDLIB_H |
95 | #include <stdlib.h> | |
96 | #endif | |
97 | ||
fdd71e17 AT |
98 | #ifdef HAVE_SYS_SOCKET_H |
99 | #include <sys/socket.h> | |
100 | #endif | |
101 | ||
d7b305fd AT |
102 | #ifdef HAVE_STRING_H |
103 | #include <string.h> | |
c627d613 AT |
104 | #endif |
105 | ||
c627d613 AT |
106 | #ifdef HAVE_MALLOC_H |
107 | #include <malloc.h> | |
108 | #endif | |
109 | ||
110 | #ifdef TIME_WITH_SYS_TIME | |
111 | #include <sys/time.h> | |
112 | #include <time.h> | |
113 | #else | |
114 | #ifdef HAVE_SYS_TIME_H | |
115 | #include <sys/time.h> | |
116 | #else | |
117 | #include <time.h> | |
118 | #endif | |
119 | #endif | |
120 | ||
121 | #ifdef HAVE_FCNTL_H | |
122 | #include <fcntl.h> | |
123 | #else | |
124 | #ifdef HAVE_SYS_FCNTL_H | |
125 | #include <sys/fcntl.h> | |
126 | #endif | |
127 | #endif | |
128 | ||
129 | #include <sys/stat.h> | |
130 | ||
94481d91 AT |
131 | #ifdef HAVE_SYS_IOCTL_H |
132 | #include <sys/ioctl.h> | |
133 | #endif | |
134 | ||
135 | #ifdef HAVE_SYS_FILIO_H | |
136 | #include <sys/filio.h> | |
137 | #endif | |
138 | ||
c627d613 AT |
139 | #include <signal.h> |
140 | #ifdef HAVE_SYS_WAIT_H | |
141 | #include <sys/wait.h> | |
142 | #endif | |
143 | #ifdef HAVE_CTYPE_H | |
144 | #include <ctype.h> | |
145 | #endif | |
146 | #ifdef HAVE_GRP_H | |
147 | #include <grp.h> | |
148 | #endif | |
149 | #include <errno.h> | |
150 | ||
c627d613 AT |
151 | #ifdef HAVE_UTIME_H |
152 | #include <utime.h> | |
153 | #endif | |
154 | ||
8bf73749 AT |
155 | #ifdef HAVE_SYS_SELECT_H |
156 | #include <sys/select.h> | |
157 | #endif | |
158 | ||
773f2bd4 AT |
159 | #ifdef HAVE_SYS_MODE_H |
160 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 161 | #ifndef S_ISLNK |
773f2bd4 AT |
162 | #include <sys/mode.h> |
163 | #endif | |
05a6556d | 164 | #endif |
773f2bd4 | 165 | |
c627d613 AT |
166 | #ifdef HAVE_FNMATCH |
167 | #include <fnmatch.h> | |
168 | #else | |
169 | #include "lib/fnmatch.h" | |
170 | #endif | |
171 | ||
932be9aa | 172 | #ifdef HAVE_GLOB_H |
874895d5 AT |
173 | #include <glob.h> |
174 | #endif | |
175 | ||
f6c34742 AT |
176 | /* these are needed for the uid/gid mapping code */ |
177 | #include <pwd.h> | |
178 | #include <grp.h> | |
179 | ||
9486289c | 180 | #include <stdarg.h> |
f0fca04e AT |
181 | #include <netinet/in.h> |
182 | #include <arpa/inet.h> | |
183 | #include <netdb.h> | |
ff8b29b8 | 184 | #include <syslog.h> |
6c8f5373 | 185 | #include <sys/file.h> |
9486289c | 186 | |
e8f5b936 AT |
187 | #if HAVE_DIRENT_H |
188 | # include <dirent.h> | |
189 | #else | |
190 | # define dirent direct | |
191 | # if HAVE_SYS_NDIR_H | |
192 | # include <sys/ndir.h> | |
193 | # endif | |
194 | # if HAVE_SYS_DIR_H | |
195 | # include <sys/dir.h> | |
196 | # endif | |
197 | # if HAVE_NDIR_H | |
198 | # include <ndir.h> | |
199 | # endif | |
200 | #endif | |
201 | ||
202 | #ifdef HAVE_COMPAT_H | |
203 | #include <compat.h> | |
204 | #endif | |
205 | ||
206 | ||
f0fca04e AT |
207 | #define BOOL int |
208 | ||
c627d613 AT |
209 | #ifndef uchar |
210 | #define uchar unsigned char | |
211 | #endif | |
212 | ||
debb4505 AT |
213 | #if HAVE_UNSIGNED_CHAR |
214 | #define schar signed char | |
215 | #else | |
216 | #define schar char | |
217 | #endif | |
218 | ||
c627d613 AT |
219 | #ifndef int32 |
220 | #if (SIZEOF_INT == 4) | |
221 | #define int32 int | |
222 | #elif (SIZEOF_LONG == 4) | |
223 | #define int32 long | |
224 | #elif (SIZEOF_SHORT == 4) | |
225 | #define int32 short | |
8de330a3 AT |
226 | #else |
227 | /* I hope this works */ | |
228 | #define int32 int | |
f3737e06 | 229 | #define LARGE_INT32 |
c627d613 AT |
230 | #endif |
231 | #endif | |
232 | ||
233 | #ifndef uint32 | |
234 | #define uint32 unsigned int32 | |
235 | #endif | |
236 | ||
bcacc18b AT |
237 | #if HAVE_OFF64_T |
238 | #define OFF_T off64_t | |
239 | #define STRUCT_STAT struct stat64 | |
240 | #else | |
241 | #define OFF_T off_t | |
242 | #define STRUCT_STAT struct stat | |
243 | #endif | |
244 | ||
245 | #if HAVE_OFF64_T | |
246 | #define int64 off64_t | |
247 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
248 | #define int64 long |
249 | #elif (SIZEOF_INT == 8) | |
250 | #define int64 int | |
251 | #elif HAVE_LONGLONG | |
71c46176 AT |
252 | #define int64 long long |
253 | #else | |
254 | #define int64 off_t | |
3bee6733 | 255 | #define NO_INT64 |
71c46176 | 256 | #endif |
c627d613 | 257 | |
c29ee43d AT |
258 | #if HAVE_SHORT_INO_T |
259 | #define INO_T uint32 | |
260 | #else | |
261 | #define INO_T ino_t | |
262 | #endif | |
263 | ||
c627d613 AT |
264 | #ifndef MIN |
265 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
266 | #endif | |
267 | ||
268 | #ifndef MAX | |
269 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
270 | #endif | |
271 | ||
d41c7d02 DD |
272 | #ifndef MAXHOSTNAMELEN |
273 | #define MAXHOSTNAMELEN 256 | |
274 | #endif | |
275 | ||
c627d613 | 276 | /* the length of the md4 checksum */ |
ebb0a6f6 | 277 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
278 | #define SUM_LENGTH 16 |
279 | ||
280 | #ifndef MAXPATHLEN | |
281 | #define MAXPATHLEN 1024 | |
282 | #endif | |
283 | ||
0473e2a1 AT |
284 | #ifndef INADDR_NONE |
285 | #define INADDR_NONE 0xffffffff | |
286 | #endif | |
287 | ||
c627d613 | 288 | struct file_struct { |
3333ffbd | 289 | unsigned flags; |
3ec4dd97 | 290 | time_t modtime; |
bcacc18b | 291 | OFF_T length; |
3ec4dd97 | 292 | mode_t mode; |
c29ee43d | 293 | INO_T inode; |
3ec4dd97 AT |
294 | dev_t dev; |
295 | dev_t rdev; | |
296 | uid_t uid; | |
297 | gid_t gid; | |
298 | char *basename; | |
299 | char *dirname; | |
300 | char *basedir; | |
301 | char *link; | |
2d0bb8eb | 302 | char *sum; |
c627d613 AT |
303 | }; |
304 | ||
4440b8aa | 305 | |
3d382777 AT |
306 | #define ARENA_SIZE (32 * 1024) |
307 | ||
308 | struct string_area { | |
309 | char *base; | |
310 | char *end; | |
311 | char *current; | |
312 | struct string_area *next; | |
313 | }; | |
314 | ||
c627d613 | 315 | struct file_list { |
a800434a AT |
316 | int count; |
317 | int malloced; | |
318 | struct file_struct **files; | |
3d382777 | 319 | struct string_area *string_area; |
c627d613 AT |
320 | }; |
321 | ||
322 | struct sum_buf { | |
c29ee43d AT |
323 | OFF_T offset; /* offset in file of this chunk */ |
324 | int len; /* length of chunk of file */ | |
325 | int i; /* index of this chunk */ | |
326 | uint32 sum1; /* simple checksum */ | |
327 | char sum2[SUM_LENGTH]; /* checksum */ | |
c627d613 AT |
328 | }; |
329 | ||
330 | struct sum_struct { | |
bcacc18b | 331 | OFF_T flength; /* total file length */ |
c627d613 AT |
332 | int count; /* how many chunks */ |
333 | int remainder; /* flength % block_length */ | |
334 | int n; /* block_length */ | |
335 | struct sum_buf *sums; /* points to info for each chunk */ | |
336 | }; | |
337 | ||
c6e7fcb4 | 338 | struct map_struct { |
4440b8aa | 339 | char *p; |
0b910560 | 340 | int fd,p_size,p_len; |
4440b8aa | 341 | OFF_T file_size, p_offset, p_fd_offset; |
c6e7fcb4 | 342 | }; |
c627d613 | 343 | |
2b6b4d53 | 344 | struct exclude_struct { |
2b6b4d53 AT |
345 | char *pattern; |
346 | int regular_exp; | |
a8b9d4ed | 347 | int fnmatch_flags; |
2b6b4d53 AT |
348 | int include; |
349 | int directory; | |
350 | int local; | |
351 | }; | |
352 | ||
a800434a AT |
353 | struct stats { |
354 | int64 total_size; | |
355 | int64 total_transferred_size; | |
356 | int64 total_written; | |
357 | int64 total_read; | |
358 | int64 literal_data; | |
359 | int64 matched_data; | |
360 | int flist_size; | |
361 | int num_files; | |
362 | int num_transferred_files; | |
363 | }; | |
364 | ||
2b6b4d53 | 365 | |
3b3a2fbc AT |
366 | /* we need this function because of the silly way in which duplicate |
367 | entries are handled in the file lists - we can't change this | |
368 | without breaking existing versions */ | |
71c46176 | 369 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 370 | { |
3ec4dd97 | 371 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
372 | return i; |
373 | } | |
374 | ||
c627d613 AT |
375 | #include "byteorder.h" |
376 | #include "version.h" | |
377 | #include "proto.h" | |
8de330a3 | 378 | #include "lib/mdfour.h" |
c627d613 AT |
379 | |
380 | #if !HAVE_STRERROR | |
381 | extern char *sys_errlist[]; | |
382 | #define strerror(i) sys_errlist[i] | |
383 | #endif | |
384 | ||
385 | #ifndef HAVE_STRCHR | |
386 | # define strchr index | |
387 | # define strrchr rindex | |
388 | #endif | |
389 | ||
c627d613 AT |
390 | #ifndef HAVE_ERRNO_DECL |
391 | extern int errno; | |
392 | #endif | |
393 | ||
cbbe4892 | 394 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 395 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 396 | |
8bf73749 AT |
397 | #ifndef HAVE_LCHOWN |
398 | #define lchown chown | |
399 | #endif | |
400 | ||
ac1eb754 | 401 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
402 | |
403 | #ifndef EWOULDBLOCK | |
404 | #define EWOULDBLOCK EAGAIN | |
405 | #endif | |
182dca5c | 406 | |
7b8356d0 AT |
407 | #ifndef STDIN_FILENO |
408 | #define STDIN_FILENO 0 | |
409 | #endif | |
410 | ||
411 | #ifndef STDOUT_FILENO | |
412 | #define STDOUT_FILENO 1 | |
413 | #endif | |
414 | ||
415 | #ifndef STDERR_FILENO | |
416 | #define STDERR_FILENO 2 | |
417 | #endif | |
418 | ||
419 | #ifndef S_IWUSR | |
420 | #define S_IWUSR 0200 | |
421 | #endif | |
422 | ||
b280a1f4 AT |
423 | #ifndef _S_IFMT |
424 | #define _S_IFMT 0170000 | |
425 | #endif | |
426 | ||
427 | #ifndef _S_IFLNK | |
428 | #define _S_IFLNK 0120000 | |
429 | #endif | |
430 | ||
431 | #ifndef S_ISLNK | |
432 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
433 | #endif | |
434 | ||
1e9f155a AT |
435 | #ifndef S_ISBLK |
436 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
437 | #endif | |
438 | ||
439 | #ifndef S_ISCHR | |
440 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
441 | #endif | |
442 | ||
a0b65b18 AT |
443 | #ifndef S_ISSOCK |
444 | #ifdef _S_IFSOCK | |
445 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
446 | #else | |
447 | #define S_ISSOCK(mode) (0) | |
448 | #endif | |
449 | #endif | |
450 | ||
451 | #ifndef S_ISFIFO | |
452 | #ifdef _S_IFIFO | |
453 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
454 | #else | |
455 | #define S_ISFIFO(mode) (0) | |
456 | #endif | |
457 | #endif | |
458 | ||
1e9f155a AT |
459 | #ifndef S_ISDIR |
460 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
461 | #endif | |
462 | ||
463 | #ifndef S_ISREG | |
464 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
465 | #endif | |
466 | ||
f0359dd0 AT |
467 | /* work out what fcntl flag to use for non-blocking */ |
468 | #ifdef O_NONBLOCK | |
469 | # define NONBLOCK_FLAG O_NONBLOCK | |
470 | #elif defined(SYSV) | |
471 | # define NONBLOCK_FLAG O_NDELAY | |
472 | #else | |
473 | # define NONBLOCK_FLAG FNDELAY | |
474 | #endif | |
475 | ||
a0b65b18 AT |
476 | |
477 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 478 | |
972a3619 DD |
479 | #ifndef ACCESSPERMS |
480 | #define ACCESSPERMS 0777 | |
481 | #endif | |
5afd8aed DD |
482 | /* Initial mask on permissions given to temporary files. Mask off setuid |
483 | bits and group access because of potential race-condition security | |
484 | holes, and mask other access because mode 707 is bizarre */ | |
972a3619 | 485 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
486 | |
487 | /* handler for null strings in printf format */ | |
488 | #define NS(s) ((s)?(s):"<NULL>") | |
489 | ||
490 | /* use magic gcc attributes to catch format errors */ | |
ff41a59f | 491 | void rprintf(enum logcode , const char *, ...) |
e08bfe12 AT |
492 | #ifdef __GNUC__ |
493 | __attribute__ ((format (printf, 2, 3))) | |
494 | #endif | |
495 | ; | |
7b3d4257 | 496 | |
a039749b MP |
497 | /* This is just like rprintf, but it also tries to print some |
498 | * representation of the error code. Normally errcode = errno. */ | |
499 | void rsyserr(enum logcode, int, const char *, ...) | |
500 | #ifdef __GNUC__ | |
501 | __attribute__ ((format (printf, 3, 4))) | |
502 | #endif | |
503 | ; | |
504 | ||
7b3d4257 AT |
505 | #ifdef REPLACE_INET_NTOA |
506 | #define inet_ntoa rep_inet_ntoa | |
507 | #endif | |
5a788ade AT |
508 | |
509 | ||
510 | #ifndef HAVE_STRLCPY | |
511 | size_t strlcpy(char *d, const char *s, size_t bufsize); | |
512 | #endif | |
513 | ||
514 | #ifndef HAVE_STRLCAT | |
515 | size_t strlcat(char *d, const char *s, size_t bufsize); | |
516 | #endif | |
517 | ||
82980a23 AT |
518 | #ifndef WEXITSTATUS |
519 | #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF)) | |
520 | #endif | |
521 | ||
a9766ef1 | 522 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |