Commit | Line | Data |
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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 */ |
554e0a8d | 50 | #define PROTOCOL_VERSION 22 |
3ec4dd97 | 51 | #define MIN_PROTOCOL_VERSION 11 |
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 |
9486289c AT |
65 | #define FERROR 1 |
66 | #define FINFO 2 | |
11a5a3c7 | 67 | #define FLOG 3 |
7bec6a5c | 68 | |
65417579 AT |
69 | #include "errcode.h" |
70 | ||
c627d613 AT |
71 | #include "config.h" |
72 | ||
24d95c03 AT |
73 | #if HAVE_REMSH |
74 | #define RSYNC_RSH "remsh" | |
75 | #else | |
76 | #define RSYNC_RSH "rsh" | |
77 | #endif | |
78 | ||
c627d613 | 79 | #include <sys/types.h> |
6ed67e6d AT |
80 | |
81 | #ifdef HAVE_GETOPT_LONG | |
82 | #include <getopt.h> | |
83 | #else | |
84 | #include "lib/getopt.h" | |
85 | #endif | |
86 | ||
c627d613 AT |
87 | #ifdef HAVE_UNISTD_H |
88 | #include <unistd.h> | |
89 | #endif | |
90 | #include <stdio.h> | |
3591c066 | 91 | #include <stddef.h> |
c627d613 AT |
92 | |
93 | #ifdef HAVE_SYS_PARAM_H | |
94 | #include <sys/param.h> | |
95 | #endif | |
96 | ||
d7b305fd AT |
97 | #ifdef HAVE_STDLIB_H |
98 | #include <stdlib.h> | |
99 | #endif | |
100 | ||
fdd71e17 AT |
101 | #ifdef HAVE_SYS_SOCKET_H |
102 | #include <sys/socket.h> | |
103 | #endif | |
104 | ||
d7b305fd AT |
105 | #ifdef HAVE_STRING_H |
106 | #include <string.h> | |
c627d613 AT |
107 | #endif |
108 | ||
c627d613 AT |
109 | #ifdef HAVE_MALLOC_H |
110 | #include <malloc.h> | |
111 | #endif | |
112 | ||
113 | #ifdef TIME_WITH_SYS_TIME | |
114 | #include <sys/time.h> | |
115 | #include <time.h> | |
116 | #else | |
117 | #ifdef HAVE_SYS_TIME_H | |
118 | #include <sys/time.h> | |
119 | #else | |
120 | #include <time.h> | |
121 | #endif | |
122 | #endif | |
123 | ||
124 | #ifdef HAVE_FCNTL_H | |
125 | #include <fcntl.h> | |
126 | #else | |
127 | #ifdef HAVE_SYS_FCNTL_H | |
128 | #include <sys/fcntl.h> | |
129 | #endif | |
130 | #endif | |
131 | ||
132 | #include <sys/stat.h> | |
133 | ||
94481d91 AT |
134 | #ifdef HAVE_SYS_IOCTL_H |
135 | #include <sys/ioctl.h> | |
136 | #endif | |
137 | ||
138 | #ifdef HAVE_SYS_FILIO_H | |
139 | #include <sys/filio.h> | |
140 | #endif | |
141 | ||
c627d613 AT |
142 | #include <signal.h> |
143 | #ifdef HAVE_SYS_WAIT_H | |
144 | #include <sys/wait.h> | |
145 | #endif | |
146 | #ifdef HAVE_CTYPE_H | |
147 | #include <ctype.h> | |
148 | #endif | |
149 | #ifdef HAVE_GRP_H | |
150 | #include <grp.h> | |
151 | #endif | |
152 | #include <errno.h> | |
153 | ||
c627d613 AT |
154 | #ifdef HAVE_UTIME_H |
155 | #include <utime.h> | |
156 | #endif | |
157 | ||
8bf73749 AT |
158 | #ifdef HAVE_SYS_SELECT_H |
159 | #include <sys/select.h> | |
160 | #endif | |
161 | ||
773f2bd4 AT |
162 | #ifdef HAVE_SYS_MODE_H |
163 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 164 | #ifndef S_ISLNK |
773f2bd4 AT |
165 | #include <sys/mode.h> |
166 | #endif | |
05a6556d | 167 | #endif |
773f2bd4 | 168 | |
c627d613 AT |
169 | #ifdef HAVE_FNMATCH |
170 | #include <fnmatch.h> | |
171 | #else | |
172 | #include "lib/fnmatch.h" | |
173 | #endif | |
174 | ||
932be9aa | 175 | #ifdef HAVE_GLOB_H |
874895d5 AT |
176 | #include <glob.h> |
177 | #endif | |
178 | ||
f6c34742 AT |
179 | /* these are needed for the uid/gid mapping code */ |
180 | #include <pwd.h> | |
181 | #include <grp.h> | |
182 | ||
9486289c | 183 | #include <stdarg.h> |
f0fca04e AT |
184 | #include <netinet/in.h> |
185 | #include <arpa/inet.h> | |
186 | #include <netdb.h> | |
ff8b29b8 | 187 | #include <syslog.h> |
6c8f5373 | 188 | #include <sys/file.h> |
9486289c | 189 | |
e8f5b936 AT |
190 | #if HAVE_DIRENT_H |
191 | # include <dirent.h> | |
192 | #else | |
193 | # define dirent direct | |
194 | # if HAVE_SYS_NDIR_H | |
195 | # include <sys/ndir.h> | |
196 | # endif | |
197 | # if HAVE_SYS_DIR_H | |
198 | # include <sys/dir.h> | |
199 | # endif | |
200 | # if HAVE_NDIR_H | |
201 | # include <ndir.h> | |
202 | # endif | |
203 | #endif | |
204 | ||
205 | #ifdef HAVE_COMPAT_H | |
206 | #include <compat.h> | |
207 | #endif | |
208 | ||
209 | ||
f0fca04e AT |
210 | #define BOOL int |
211 | ||
c627d613 AT |
212 | #ifndef uchar |
213 | #define uchar unsigned char | |
214 | #endif | |
215 | ||
debb4505 AT |
216 | #if HAVE_UNSIGNED_CHAR |
217 | #define schar signed char | |
218 | #else | |
219 | #define schar char | |
220 | #endif | |
221 | ||
c627d613 AT |
222 | #ifndef int32 |
223 | #if (SIZEOF_INT == 4) | |
224 | #define int32 int | |
225 | #elif (SIZEOF_LONG == 4) | |
226 | #define int32 long | |
227 | #elif (SIZEOF_SHORT == 4) | |
228 | #define int32 short | |
8de330a3 AT |
229 | #else |
230 | /* I hope this works */ | |
231 | #define int32 int | |
f3737e06 | 232 | #define LARGE_INT32 |
c627d613 AT |
233 | #endif |
234 | #endif | |
235 | ||
236 | #ifndef uint32 | |
237 | #define uint32 unsigned int32 | |
238 | #endif | |
239 | ||
bcacc18b AT |
240 | #if HAVE_OFF64_T |
241 | #define OFF_T off64_t | |
242 | #define STRUCT_STAT struct stat64 | |
243 | #else | |
244 | #define OFF_T off_t | |
245 | #define STRUCT_STAT struct stat | |
246 | #endif | |
247 | ||
248 | #if HAVE_OFF64_T | |
249 | #define int64 off64_t | |
250 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
251 | #define int64 long |
252 | #elif (SIZEOF_INT == 8) | |
253 | #define int64 int | |
254 | #elif HAVE_LONGLONG | |
71c46176 AT |
255 | #define int64 long long |
256 | #else | |
257 | #define int64 off_t | |
3bee6733 | 258 | #define NO_INT64 |
71c46176 | 259 | #endif |
c627d613 | 260 | |
c29ee43d AT |
261 | #if HAVE_SHORT_INO_T |
262 | #define INO_T uint32 | |
263 | #else | |
264 | #define INO_T ino_t | |
265 | #endif | |
266 | ||
c627d613 AT |
267 | #ifndef MIN |
268 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
269 | #endif | |
270 | ||
271 | #ifndef MAX | |
272 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
273 | #endif | |
274 | ||
d41c7d02 DD |
275 | #ifndef MAXHOSTNAMELEN |
276 | #define MAXHOSTNAMELEN 256 | |
277 | #endif | |
278 | ||
c627d613 | 279 | /* the length of the md4 checksum */ |
ebb0a6f6 | 280 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
281 | #define SUM_LENGTH 16 |
282 | ||
283 | #ifndef MAXPATHLEN | |
284 | #define MAXPATHLEN 1024 | |
285 | #endif | |
286 | ||
07b7c86c AT |
287 | #ifndef PIPE_BUF |
288 | #define PIPE_BUF 512 | |
289 | #endif | |
290 | ||
0473e2a1 AT |
291 | #ifndef INADDR_NONE |
292 | #define INADDR_NONE 0xffffffff | |
293 | #endif | |
294 | ||
c627d613 | 295 | struct file_struct { |
3333ffbd | 296 | unsigned flags; |
3ec4dd97 | 297 | time_t modtime; |
bcacc18b | 298 | OFF_T length; |
3ec4dd97 | 299 | mode_t mode; |
c29ee43d | 300 | INO_T inode; |
3ec4dd97 AT |
301 | dev_t dev; |
302 | dev_t rdev; | |
303 | uid_t uid; | |
304 | gid_t gid; | |
305 | char *basename; | |
306 | char *dirname; | |
307 | char *basedir; | |
308 | char *link; | |
2d0bb8eb | 309 | char *sum; |
c627d613 AT |
310 | }; |
311 | ||
4440b8aa | 312 | |
c627d613 | 313 | struct file_list { |
a800434a AT |
314 | int count; |
315 | int malloced; | |
316 | struct file_struct **files; | |
c627d613 AT |
317 | }; |
318 | ||
319 | struct sum_buf { | |
c29ee43d AT |
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 */ | |
c627d613 AT |
325 | }; |
326 | ||
327 | struct sum_struct { | |
bcacc18b | 328 | OFF_T flength; /* total file length */ |
c627d613 AT |
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 */ | |
333 | }; | |
334 | ||
c6e7fcb4 | 335 | struct map_struct { |
4440b8aa | 336 | char *p; |
0b910560 | 337 | int fd,p_size,p_len; |
4440b8aa | 338 | OFF_T file_size, p_offset, p_fd_offset; |
c6e7fcb4 | 339 | }; |
c627d613 | 340 | |
2b6b4d53 AT |
341 | struct exclude_struct { |
342 | char *orig; | |
343 | char *pattern; | |
344 | int regular_exp; | |
a8b9d4ed | 345 | int fnmatch_flags; |
2b6b4d53 AT |
346 | int include; |
347 | int directory; | |
348 | int local; | |
349 | }; | |
350 | ||
a800434a AT |
351 | struct stats { |
352 | int64 total_size; | |
353 | int64 total_transferred_size; | |
354 | int64 total_written; | |
355 | int64 total_read; | |
356 | int64 literal_data; | |
357 | int64 matched_data; | |
358 | int flist_size; | |
359 | int num_files; | |
360 | int num_transferred_files; | |
361 | }; | |
362 | ||
2b6b4d53 | 363 | |
3b3a2fbc AT |
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 */ | |
71c46176 | 367 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 368 | { |
3ec4dd97 | 369 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
370 | return i; |
371 | } | |
372 | ||
c627d613 AT |
373 | #include "byteorder.h" |
374 | #include "version.h" | |
375 | #include "proto.h" | |
8de330a3 | 376 | #include "lib/mdfour.h" |
c627d613 AT |
377 | |
378 | #if !HAVE_STRERROR | |
379 | extern char *sys_errlist[]; | |
380 | #define strerror(i) sys_errlist[i] | |
381 | #endif | |
382 | ||
383 | #ifndef HAVE_STRCHR | |
384 | # define strchr index | |
385 | # define strrchr rindex | |
386 | #endif | |
387 | ||
c627d613 AT |
388 | #ifndef HAVE_ERRNO_DECL |
389 | extern int errno; | |
390 | #endif | |
391 | ||
cbbe4892 | 392 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 393 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 394 | |
8bf73749 AT |
395 | #ifndef HAVE_LCHOWN |
396 | #define lchown chown | |
397 | #endif | |
398 | ||
ac1eb754 | 399 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
400 | |
401 | #ifndef EWOULDBLOCK | |
402 | #define EWOULDBLOCK EAGAIN | |
403 | #endif | |
182dca5c | 404 | |
7b8356d0 AT |
405 | #ifndef STDIN_FILENO |
406 | #define STDIN_FILENO 0 | |
407 | #endif | |
408 | ||
409 | #ifndef STDOUT_FILENO | |
410 | #define STDOUT_FILENO 1 | |
411 | #endif | |
412 | ||
413 | #ifndef STDERR_FILENO | |
414 | #define STDERR_FILENO 2 | |
415 | #endif | |
416 | ||
417 | #ifndef S_IWUSR | |
418 | #define S_IWUSR 0200 | |
419 | #endif | |
420 | ||
b280a1f4 AT |
421 | #ifndef _S_IFMT |
422 | #define _S_IFMT 0170000 | |
423 | #endif | |
424 | ||
425 | #ifndef _S_IFLNK | |
426 | #define _S_IFLNK 0120000 | |
427 | #endif | |
428 | ||
429 | #ifndef S_ISLNK | |
430 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
431 | #endif | |
432 | ||
1e9f155a AT |
433 | #ifndef S_ISBLK |
434 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
435 | #endif | |
436 | ||
437 | #ifndef S_ISCHR | |
438 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
439 | #endif | |
440 | ||
a0b65b18 AT |
441 | #ifndef S_ISSOCK |
442 | #ifdef _S_IFSOCK | |
443 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
444 | #else | |
445 | #define S_ISSOCK(mode) (0) | |
446 | #endif | |
447 | #endif | |
448 | ||
449 | #ifndef S_ISFIFO | |
450 | #ifdef _S_IFIFO | |
451 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
452 | #else | |
453 | #define S_ISFIFO(mode) (0) | |
454 | #endif | |
455 | #endif | |
456 | ||
1e9f155a AT |
457 | #ifndef S_ISDIR |
458 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
459 | #endif | |
460 | ||
461 | #ifndef S_ISREG | |
462 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
463 | #endif | |
464 | ||
a0b65b18 AT |
465 | |
466 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 467 | |
972a3619 DD |
468 | #ifndef ACCESSPERMS |
469 | #define ACCESSPERMS 0777 | |
470 | #endif | |
5afd8aed DD |
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 */ | |
972a3619 | 474 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
475 | |
476 | /* handler for null strings in printf format */ | |
477 | #define NS(s) ((s)?(s):"<NULL>") | |
478 | ||
479 | /* use magic gcc attributes to catch format errors */ | |
480 | void rprintf(int , const char *, ...) | |
481 | #ifdef __GNUC__ | |
482 | __attribute__ ((format (printf, 2, 3))) | |
483 | #endif | |
484 | ; | |
7b3d4257 AT |
485 | |
486 | #ifdef REPLACE_INET_NTOA | |
487 | #define inet_ntoa rep_inet_ntoa | |
488 | #endif | |
5a788ade AT |
489 | |
490 | ||
491 | #ifndef HAVE_STRLCPY | |
492 | size_t strlcpy(char *d, const char *s, size_t bufsize); | |
493 | #endif | |
494 | ||
495 | #ifndef HAVE_STRLCAT | |
496 | size_t strlcat(char *d, const char *s, size_t bufsize); | |
497 | #endif | |
498 | ||
a9766ef1 | 499 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |