Commit | Line | Data |
---|---|---|
c627d613 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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. | |
18 | */ | |
19 | ||
d41c7d02 DD |
20 | #define False 0 |
21 | #define True 1 | |
22 | ||
c627d613 AT |
23 | #define BLOCK_SIZE 700 |
24 | #define RSYNC_RSH_ENV "RSYNC_RSH" | |
7b8356d0 | 25 | |
c627d613 | 26 | #define RSYNC_NAME "rsync" |
f0fca04e | 27 | #define RSYNCD_CONF "/etc/rsyncd.conf" |
f0fca04e | 28 | |
5e71c444 | 29 | #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock" |
f7632fc6 AT |
30 | #define URL_PREFIX "rsync://" |
31 | ||
c627d613 AT |
32 | #define BACKUP_SUFFIX "~" |
33 | ||
1b01b295 | 34 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
6543dc0c | 35 | incompatible with older versions :-( */ |
1b01b295 AT |
36 | #define CHAR_OFFSET 0 |
37 | ||
38 | ||
3333ffbd | 39 | #define FLAG_DELETE (1<<0) |
4fe159a8 | 40 | #define SAME_MODE (1<<1) |
dc5ddbcc | 41 | #define SAME_RDEV (1<<2) |
4fe159a8 AT |
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) | |
48 | ||
c627d613 | 49 | /* update this if you make incompatible changes */ |
8ada7518 | 50 | #define PROTOCOL_VERSION 24 |
ff41a59f | 51 | #define MIN_PROTOCOL_VERSION 15 |
6ba9279f | 52 | #define MAX_PROTOCOL_VERSION 30 |
c627d613 | 53 | |
9486289c AT |
54 | #define RSYNC_PORT 873 |
55 | ||
d867229b | 56 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 57 | #define WRITE_SIZE (32*1024) |
34ccb63e | 58 | #define CHUNK_SIZE (32*1024) |
4440b8aa | 59 | #define MAX_MAP_SIZE (256*1024) |
e3fe383a | 60 | #define IO_BUFFER_SIZE (4092) |
c627d613 | 61 | |
874895d5 | 62 | #define MAX_ARGS 1000 |
f0fca04e | 63 | |
8d9dc9f9 | 64 | #define MPLEX_BASE 7 |
ff41a59f | 65 | |
0f3203c3 | 66 | enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3}; |
7bec6a5c | 67 | |
65417579 AT |
68 | #include "errcode.h" |
69 | ||
c627d613 AT |
70 | #include "config.h" |
71 | ||
24d95c03 AT |
72 | #if HAVE_REMSH |
73 | #define RSYNC_RSH "remsh" | |
74 | #else | |
75 | #define RSYNC_RSH "rsh" | |
76 | #endif | |
77 | ||
c627d613 | 78 | #include <sys/types.h> |
6ed67e6d AT |
79 | |
80 | #ifdef HAVE_GETOPT_LONG | |
81 | #include <getopt.h> | |
82 | #else | |
83 | #include "lib/getopt.h" | |
84 | #endif | |
85 | ||
c627d613 AT |
86 | #ifdef HAVE_UNISTD_H |
87 | #include <unistd.h> | |
88 | #endif | |
89 | #include <stdio.h> | |
3591c066 | 90 | #include <stddef.h> |
c627d613 AT |
91 | |
92 | #ifdef HAVE_SYS_PARAM_H | |
93 | #include <sys/param.h> | |
94 | #endif | |
95 | ||
d7b305fd AT |
96 | #ifdef HAVE_STDLIB_H |
97 | #include <stdlib.h> | |
98 | #endif | |
99 | ||
fdd71e17 AT |
100 | #ifdef HAVE_SYS_SOCKET_H |
101 | #include <sys/socket.h> | |
102 | #endif | |
103 | ||
d7b305fd AT |
104 | #ifdef HAVE_STRING_H |
105 | #include <string.h> | |
c627d613 AT |
106 | #endif |
107 | ||
c627d613 AT |
108 | #ifdef HAVE_MALLOC_H |
109 | #include <malloc.h> | |
110 | #endif | |
111 | ||
112 | #ifdef TIME_WITH_SYS_TIME | |
113 | #include <sys/time.h> | |
114 | #include <time.h> | |
115 | #else | |
116 | #ifdef HAVE_SYS_TIME_H | |
117 | #include <sys/time.h> | |
118 | #else | |
119 | #include <time.h> | |
120 | #endif | |
121 | #endif | |
122 | ||
123 | #ifdef HAVE_FCNTL_H | |
124 | #include <fcntl.h> | |
125 | #else | |
126 | #ifdef HAVE_SYS_FCNTL_H | |
127 | #include <sys/fcntl.h> | |
128 | #endif | |
129 | #endif | |
130 | ||
131 | #include <sys/stat.h> | |
132 | ||
94481d91 AT |
133 | #ifdef HAVE_SYS_IOCTL_H |
134 | #include <sys/ioctl.h> | |
135 | #endif | |
136 | ||
137 | #ifdef HAVE_SYS_FILIO_H | |
138 | #include <sys/filio.h> | |
139 | #endif | |
140 | ||
c627d613 AT |
141 | #include <signal.h> |
142 | #ifdef HAVE_SYS_WAIT_H | |
143 | #include <sys/wait.h> | |
144 | #endif | |
145 | #ifdef HAVE_CTYPE_H | |
146 | #include <ctype.h> | |
147 | #endif | |
148 | #ifdef HAVE_GRP_H | |
149 | #include <grp.h> | |
150 | #endif | |
151 | #include <errno.h> | |
152 | ||
c627d613 AT |
153 | #ifdef HAVE_UTIME_H |
154 | #include <utime.h> | |
155 | #endif | |
156 | ||
8bf73749 AT |
157 | #ifdef HAVE_SYS_SELECT_H |
158 | #include <sys/select.h> | |
159 | #endif | |
160 | ||
773f2bd4 AT |
161 | #ifdef HAVE_SYS_MODE_H |
162 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 163 | #ifndef S_ISLNK |
773f2bd4 AT |
164 | #include <sys/mode.h> |
165 | #endif | |
05a6556d | 166 | #endif |
773f2bd4 | 167 | |
c627d613 AT |
168 | #ifdef HAVE_FNMATCH |
169 | #include <fnmatch.h> | |
170 | #else | |
171 | #include "lib/fnmatch.h" | |
172 | #endif | |
173 | ||
932be9aa | 174 | #ifdef HAVE_GLOB_H |
874895d5 AT |
175 | #include <glob.h> |
176 | #endif | |
177 | ||
f6c34742 AT |
178 | /* these are needed for the uid/gid mapping code */ |
179 | #include <pwd.h> | |
180 | #include <grp.h> | |
181 | ||
9486289c | 182 | #include <stdarg.h> |
f0fca04e AT |
183 | #include <netinet/in.h> |
184 | #include <arpa/inet.h> | |
185 | #include <netdb.h> | |
ff8b29b8 | 186 | #include <syslog.h> |
6c8f5373 | 187 | #include <sys/file.h> |
9486289c | 188 | |
e8f5b936 AT |
189 | #if HAVE_DIRENT_H |
190 | # include <dirent.h> | |
191 | #else | |
192 | # define dirent direct | |
193 | # if HAVE_SYS_NDIR_H | |
194 | # include <sys/ndir.h> | |
195 | # endif | |
196 | # if HAVE_SYS_DIR_H | |
197 | # include <sys/dir.h> | |
198 | # endif | |
199 | # if HAVE_NDIR_H | |
200 | # include <ndir.h> | |
201 | # endif | |
202 | #endif | |
203 | ||
204 | #ifdef HAVE_COMPAT_H | |
205 | #include <compat.h> | |
206 | #endif | |
207 | ||
208 | ||
f0fca04e AT |
209 | #define BOOL int |
210 | ||
c627d613 AT |
211 | #ifndef uchar |
212 | #define uchar unsigned char | |
213 | #endif | |
214 | ||
debb4505 AT |
215 | #if HAVE_UNSIGNED_CHAR |
216 | #define schar signed char | |
217 | #else | |
218 | #define schar char | |
219 | #endif | |
220 | ||
c627d613 AT |
221 | #ifndef int32 |
222 | #if (SIZEOF_INT == 4) | |
223 | #define int32 int | |
224 | #elif (SIZEOF_LONG == 4) | |
225 | #define int32 long | |
226 | #elif (SIZEOF_SHORT == 4) | |
227 | #define int32 short | |
8de330a3 AT |
228 | #else |
229 | /* I hope this works */ | |
230 | #define int32 int | |
f3737e06 | 231 | #define LARGE_INT32 |
c627d613 AT |
232 | #endif |
233 | #endif | |
234 | ||
235 | #ifndef uint32 | |
236 | #define uint32 unsigned int32 | |
237 | #endif | |
238 | ||
bcacc18b AT |
239 | #if HAVE_OFF64_T |
240 | #define OFF_T off64_t | |
241 | #define STRUCT_STAT struct stat64 | |
242 | #else | |
243 | #define OFF_T off_t | |
244 | #define STRUCT_STAT struct stat | |
245 | #endif | |
246 | ||
247 | #if HAVE_OFF64_T | |
248 | #define int64 off64_t | |
249 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
250 | #define int64 long |
251 | #elif (SIZEOF_INT == 8) | |
252 | #define int64 int | |
253 | #elif HAVE_LONGLONG | |
71c46176 AT |
254 | #define int64 long long |
255 | #else | |
256 | #define int64 off_t | |
3bee6733 | 257 | #define NO_INT64 |
71c46176 | 258 | #endif |
c627d613 | 259 | |
c29ee43d AT |
260 | #if HAVE_SHORT_INO_T |
261 | #define INO_T uint32 | |
262 | #else | |
263 | #define INO_T ino_t | |
264 | #endif | |
265 | ||
c627d613 AT |
266 | #ifndef MIN |
267 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
268 | #endif | |
269 | ||
270 | #ifndef MAX | |
271 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
272 | #endif | |
273 | ||
d41c7d02 DD |
274 | #ifndef MAXHOSTNAMELEN |
275 | #define MAXHOSTNAMELEN 256 | |
276 | #endif | |
277 | ||
c627d613 | 278 | /* the length of the md4 checksum */ |
ebb0a6f6 | 279 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
280 | #define SUM_LENGTH 16 |
281 | ||
282 | #ifndef MAXPATHLEN | |
283 | #define MAXPATHLEN 1024 | |
284 | #endif | |
285 | ||
0473e2a1 AT |
286 | #ifndef INADDR_NONE |
287 | #define INADDR_NONE 0xffffffff | |
288 | #endif | |
289 | ||
c627d613 | 290 | struct file_struct { |
3333ffbd | 291 | unsigned flags; |
3ec4dd97 | 292 | time_t modtime; |
bcacc18b | 293 | OFF_T length; |
3ec4dd97 | 294 | mode_t mode; |
c29ee43d | 295 | INO_T inode; |
3ec4dd97 AT |
296 | dev_t dev; |
297 | dev_t rdev; | |
298 | uid_t uid; | |
299 | gid_t gid; | |
300 | char *basename; | |
301 | char *dirname; | |
302 | char *basedir; | |
303 | char *link; | |
2d0bb8eb | 304 | char *sum; |
c627d613 AT |
305 | }; |
306 | ||
4440b8aa | 307 | |
c627d613 | 308 | struct file_list { |
a800434a AT |
309 | int count; |
310 | int malloced; | |
311 | struct file_struct **files; | |
c627d613 AT |
312 | }; |
313 | ||
314 | struct sum_buf { | |
c29ee43d AT |
315 | OFF_T offset; /* offset in file of this chunk */ |
316 | int len; /* length of chunk of file */ | |
317 | int i; /* index of this chunk */ | |
318 | uint32 sum1; /* simple checksum */ | |
319 | char sum2[SUM_LENGTH]; /* checksum */ | |
c627d613 AT |
320 | }; |
321 | ||
322 | struct sum_struct { | |
bcacc18b | 323 | OFF_T flength; /* total file length */ |
c627d613 AT |
324 | int count; /* how many chunks */ |
325 | int remainder; /* flength % block_length */ | |
326 | int n; /* block_length */ | |
327 | struct sum_buf *sums; /* points to info for each chunk */ | |
328 | }; | |
329 | ||
c6e7fcb4 | 330 | struct map_struct { |
4440b8aa | 331 | char *p; |
0b910560 | 332 | int fd,p_size,p_len; |
4440b8aa | 333 | OFF_T file_size, p_offset, p_fd_offset; |
c6e7fcb4 | 334 | }; |
c627d613 | 335 | |
2b6b4d53 AT |
336 | struct exclude_struct { |
337 | char *orig; | |
338 | char *pattern; | |
339 | int regular_exp; | |
a8b9d4ed | 340 | int fnmatch_flags; |
2b6b4d53 AT |
341 | int include; |
342 | int directory; | |
343 | int local; | |
344 | }; | |
345 | ||
a800434a AT |
346 | struct stats { |
347 | int64 total_size; | |
348 | int64 total_transferred_size; | |
349 | int64 total_written; | |
350 | int64 total_read; | |
351 | int64 literal_data; | |
352 | int64 matched_data; | |
353 | int flist_size; | |
354 | int num_files; | |
355 | int num_transferred_files; | |
356 | }; | |
357 | ||
2b6b4d53 | 358 | |
3b3a2fbc AT |
359 | /* we need this function because of the silly way in which duplicate |
360 | entries are handled in the file lists - we can't change this | |
361 | without breaking existing versions */ | |
71c46176 | 362 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 363 | { |
3ec4dd97 | 364 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
365 | return i; |
366 | } | |
367 | ||
c627d613 AT |
368 | #include "byteorder.h" |
369 | #include "version.h" | |
370 | #include "proto.h" | |
8de330a3 | 371 | #include "lib/mdfour.h" |
c627d613 AT |
372 | |
373 | #if !HAVE_STRERROR | |
374 | extern char *sys_errlist[]; | |
375 | #define strerror(i) sys_errlist[i] | |
376 | #endif | |
377 | ||
378 | #ifndef HAVE_STRCHR | |
379 | # define strchr index | |
380 | # define strrchr rindex | |
381 | #endif | |
382 | ||
c627d613 AT |
383 | #ifndef HAVE_ERRNO_DECL |
384 | extern int errno; | |
385 | #endif | |
386 | ||
cbbe4892 | 387 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 388 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 389 | |
8bf73749 AT |
390 | #ifndef HAVE_LCHOWN |
391 | #define lchown chown | |
392 | #endif | |
393 | ||
ac1eb754 | 394 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
395 | |
396 | #ifndef EWOULDBLOCK | |
397 | #define EWOULDBLOCK EAGAIN | |
398 | #endif | |
182dca5c | 399 | |
7b8356d0 AT |
400 | #ifndef STDIN_FILENO |
401 | #define STDIN_FILENO 0 | |
402 | #endif | |
403 | ||
404 | #ifndef STDOUT_FILENO | |
405 | #define STDOUT_FILENO 1 | |
406 | #endif | |
407 | ||
408 | #ifndef STDERR_FILENO | |
409 | #define STDERR_FILENO 2 | |
410 | #endif | |
411 | ||
412 | #ifndef S_IWUSR | |
413 | #define S_IWUSR 0200 | |
414 | #endif | |
415 | ||
b280a1f4 AT |
416 | #ifndef _S_IFMT |
417 | #define _S_IFMT 0170000 | |
418 | #endif | |
419 | ||
420 | #ifndef _S_IFLNK | |
421 | #define _S_IFLNK 0120000 | |
422 | #endif | |
423 | ||
424 | #ifndef S_ISLNK | |
425 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
426 | #endif | |
427 | ||
1e9f155a AT |
428 | #ifndef S_ISBLK |
429 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
430 | #endif | |
431 | ||
432 | #ifndef S_ISCHR | |
433 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
434 | #endif | |
435 | ||
a0b65b18 AT |
436 | #ifndef S_ISSOCK |
437 | #ifdef _S_IFSOCK | |
438 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
439 | #else | |
440 | #define S_ISSOCK(mode) (0) | |
441 | #endif | |
442 | #endif | |
443 | ||
444 | #ifndef S_ISFIFO | |
445 | #ifdef _S_IFIFO | |
446 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
447 | #else | |
448 | #define S_ISFIFO(mode) (0) | |
449 | #endif | |
450 | #endif | |
451 | ||
1e9f155a AT |
452 | #ifndef S_ISDIR |
453 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
454 | #endif | |
455 | ||
456 | #ifndef S_ISREG | |
457 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
458 | #endif | |
459 | ||
f0359dd0 AT |
460 | /* work out what fcntl flag to use for non-blocking */ |
461 | #ifdef O_NONBLOCK | |
462 | # define NONBLOCK_FLAG O_NONBLOCK | |
463 | #elif defined(SYSV) | |
464 | # define NONBLOCK_FLAG O_NDELAY | |
465 | #else | |
466 | # define NONBLOCK_FLAG FNDELAY | |
467 | #endif | |
468 | ||
a0b65b18 AT |
469 | |
470 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 471 | |
972a3619 DD |
472 | #ifndef ACCESSPERMS |
473 | #define ACCESSPERMS 0777 | |
474 | #endif | |
5afd8aed DD |
475 | /* Initial mask on permissions given to temporary files. Mask off setuid |
476 | bits and group access because of potential race-condition security | |
477 | holes, and mask other access because mode 707 is bizarre */ | |
972a3619 | 478 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
479 | |
480 | /* handler for null strings in printf format */ | |
481 | #define NS(s) ((s)?(s):"<NULL>") | |
482 | ||
483 | /* use magic gcc attributes to catch format errors */ | |
ff41a59f | 484 | void rprintf(enum logcode , const char *, ...) |
e08bfe12 AT |
485 | #ifdef __GNUC__ |
486 | __attribute__ ((format (printf, 2, 3))) | |
487 | #endif | |
488 | ; | |
7b3d4257 AT |
489 | |
490 | #ifdef REPLACE_INET_NTOA | |
491 | #define inet_ntoa rep_inet_ntoa | |
492 | #endif | |
5a788ade AT |
493 | |
494 | ||
495 | #ifndef HAVE_STRLCPY | |
496 | size_t strlcpy(char *d, const char *s, size_t bufsize); | |
497 | #endif | |
498 | ||
499 | #ifndef HAVE_STRLCAT | |
500 | size_t strlcat(char *d, const char *s, size_t bufsize); | |
501 | #endif | |
502 | ||
a9766ef1 | 503 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |