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 AT |
34 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
35 | imcompatible with older versions :-( */ | |
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 */ |
7b1ce0d7 | 50 | #define PROTOCOL_VERSION 19 |
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) |
5dd7e031 | 61 | #define MAX_READ_BUFFER (1024*1024) |
c627d613 | 62 | |
874895d5 | 63 | #define MAX_ARGS 1000 |
f0fca04e | 64 | |
8d9dc9f9 | 65 | #define MPLEX_BASE 7 |
9486289c AT |
66 | #define FERROR 1 |
67 | #define FINFO 2 | |
11a5a3c7 | 68 | #define FLOG 3 |
7bec6a5c | 69 | |
65417579 AT |
70 | #include "errcode.h" |
71 | ||
c627d613 AT |
72 | #include "config.h" |
73 | ||
24d95c03 AT |
74 | #if HAVE_REMSH |
75 | #define RSYNC_RSH "remsh" | |
76 | #else | |
77 | #define RSYNC_RSH "rsh" | |
78 | #endif | |
79 | ||
c627d613 | 80 | #include <sys/types.h> |
6ed67e6d AT |
81 | |
82 | #ifdef HAVE_GETOPT_LONG | |
83 | #include <getopt.h> | |
84 | #else | |
85 | #include "lib/getopt.h" | |
86 | #endif | |
87 | ||
c627d613 AT |
88 | #ifdef HAVE_UNISTD_H |
89 | #include <unistd.h> | |
90 | #endif | |
91 | #include <stdio.h> | |
3591c066 | 92 | #include <stddef.h> |
c627d613 AT |
93 | |
94 | #ifdef HAVE_SYS_PARAM_H | |
95 | #include <sys/param.h> | |
96 | #endif | |
97 | ||
d7b305fd AT |
98 | #ifdef HAVE_STDLIB_H |
99 | #include <stdlib.h> | |
100 | #endif | |
101 | ||
fdd71e17 AT |
102 | #ifdef HAVE_SYS_SOCKET_H |
103 | #include <sys/socket.h> | |
104 | #endif | |
105 | ||
d7b305fd AT |
106 | #ifdef HAVE_STRING_H |
107 | #include <string.h> | |
c627d613 AT |
108 | #endif |
109 | ||
c627d613 AT |
110 | #ifdef HAVE_MALLOC_H |
111 | #include <malloc.h> | |
112 | #endif | |
113 | ||
114 | #ifdef TIME_WITH_SYS_TIME | |
115 | #include <sys/time.h> | |
116 | #include <time.h> | |
117 | #else | |
118 | #ifdef HAVE_SYS_TIME_H | |
119 | #include <sys/time.h> | |
120 | #else | |
121 | #include <time.h> | |
122 | #endif | |
123 | #endif | |
124 | ||
125 | #ifdef HAVE_FCNTL_H | |
126 | #include <fcntl.h> | |
127 | #else | |
128 | #ifdef HAVE_SYS_FCNTL_H | |
129 | #include <sys/fcntl.h> | |
130 | #endif | |
131 | #endif | |
132 | ||
133 | #include <sys/stat.h> | |
134 | ||
94481d91 AT |
135 | #ifdef HAVE_SYS_IOCTL_H |
136 | #include <sys/ioctl.h> | |
137 | #endif | |
138 | ||
139 | #ifdef HAVE_SYS_FILIO_H | |
140 | #include <sys/filio.h> | |
141 | #endif | |
142 | ||
c627d613 AT |
143 | #include <signal.h> |
144 | #ifdef HAVE_SYS_WAIT_H | |
145 | #include <sys/wait.h> | |
146 | #endif | |
147 | #ifdef HAVE_CTYPE_H | |
148 | #include <ctype.h> | |
149 | #endif | |
150 | #ifdef HAVE_GRP_H | |
151 | #include <grp.h> | |
152 | #endif | |
153 | #include <errno.h> | |
154 | ||
c627d613 AT |
155 | #ifdef HAVE_UTIME_H |
156 | #include <utime.h> | |
157 | #endif | |
158 | ||
8bf73749 AT |
159 | #ifdef HAVE_SYS_SELECT_H |
160 | #include <sys/select.h> | |
161 | #endif | |
162 | ||
773f2bd4 AT |
163 | #ifdef HAVE_SYS_MODE_H |
164 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 165 | #ifndef S_ISLNK |
773f2bd4 AT |
166 | #include <sys/mode.h> |
167 | #endif | |
05a6556d | 168 | #endif |
773f2bd4 | 169 | |
c627d613 AT |
170 | #ifdef HAVE_FNMATCH |
171 | #include <fnmatch.h> | |
172 | #else | |
173 | #include "lib/fnmatch.h" | |
174 | #endif | |
175 | ||
932be9aa | 176 | #ifdef HAVE_GLOB_H |
874895d5 AT |
177 | #include <glob.h> |
178 | #endif | |
179 | ||
f6c34742 AT |
180 | /* these are needed for the uid/gid mapping code */ |
181 | #include <pwd.h> | |
182 | #include <grp.h> | |
183 | ||
9486289c | 184 | #include <stdarg.h> |
f0fca04e AT |
185 | #include <netinet/in.h> |
186 | #include <arpa/inet.h> | |
187 | #include <netdb.h> | |
ff8b29b8 | 188 | #include <syslog.h> |
6c8f5373 | 189 | #include <sys/file.h> |
9486289c | 190 | |
e8f5b936 AT |
191 | #if HAVE_DIRENT_H |
192 | # include <dirent.h> | |
193 | #else | |
194 | # define dirent direct | |
195 | # if HAVE_SYS_NDIR_H | |
196 | # include <sys/ndir.h> | |
197 | # endif | |
198 | # if HAVE_SYS_DIR_H | |
199 | # include <sys/dir.h> | |
200 | # endif | |
201 | # if HAVE_NDIR_H | |
202 | # include <ndir.h> | |
203 | # endif | |
204 | #endif | |
205 | ||
206 | #ifdef HAVE_COMPAT_H | |
207 | #include <compat.h> | |
208 | #endif | |
209 | ||
210 | ||
f0fca04e AT |
211 | #define BOOL int |
212 | ||
c627d613 AT |
213 | #ifndef uchar |
214 | #define uchar unsigned char | |
215 | #endif | |
216 | ||
debb4505 AT |
217 | #if HAVE_UNSIGNED_CHAR |
218 | #define schar signed char | |
219 | #else | |
220 | #define schar char | |
221 | #endif | |
222 | ||
c627d613 AT |
223 | #ifndef int32 |
224 | #if (SIZEOF_INT == 4) | |
225 | #define int32 int | |
226 | #elif (SIZEOF_LONG == 4) | |
227 | #define int32 long | |
228 | #elif (SIZEOF_SHORT == 4) | |
229 | #define int32 short | |
8de330a3 AT |
230 | #else |
231 | /* I hope this works */ | |
232 | #define int32 int | |
f3737e06 | 233 | #define LARGE_INT32 |
c627d613 AT |
234 | #endif |
235 | #endif | |
236 | ||
237 | #ifndef uint32 | |
238 | #define uint32 unsigned int32 | |
239 | #endif | |
240 | ||
bcacc18b AT |
241 | #if HAVE_OFF64_T |
242 | #define OFF_T off64_t | |
243 | #define STRUCT_STAT struct stat64 | |
244 | #else | |
245 | #define OFF_T off_t | |
246 | #define STRUCT_STAT struct stat | |
247 | #endif | |
248 | ||
249 | #if HAVE_OFF64_T | |
250 | #define int64 off64_t | |
251 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
252 | #define int64 long |
253 | #elif (SIZEOF_INT == 8) | |
254 | #define int64 int | |
255 | #elif HAVE_LONGLONG | |
71c46176 AT |
256 | #define int64 long long |
257 | #else | |
258 | #define int64 off_t | |
3bee6733 | 259 | #define NO_INT64 |
71c46176 | 260 | #endif |
c627d613 | 261 | |
c29ee43d AT |
262 | #if HAVE_SHORT_INO_T |
263 | #define INO_T uint32 | |
264 | #else | |
265 | #define INO_T ino_t | |
266 | #endif | |
267 | ||
c627d613 AT |
268 | #ifndef MIN |
269 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
270 | #endif | |
271 | ||
272 | #ifndef MAX | |
273 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
274 | #endif | |
275 | ||
d41c7d02 DD |
276 | #ifndef MAXHOSTNAMELEN |
277 | #define MAXHOSTNAMELEN 256 | |
278 | #endif | |
279 | ||
c627d613 | 280 | /* the length of the md4 checksum */ |
ebb0a6f6 | 281 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
282 | #define SUM_LENGTH 16 |
283 | ||
284 | #ifndef MAXPATHLEN | |
285 | #define MAXPATHLEN 1024 | |
286 | #endif | |
287 | ||
0473e2a1 AT |
288 | #ifndef INADDR_NONE |
289 | #define INADDR_NONE 0xffffffff | |
290 | #endif | |
291 | ||
c627d613 | 292 | struct file_struct { |
3333ffbd | 293 | unsigned flags; |
3ec4dd97 | 294 | time_t modtime; |
bcacc18b | 295 | OFF_T length; |
3ec4dd97 | 296 | mode_t mode; |
c29ee43d | 297 | INO_T inode; |
3ec4dd97 AT |
298 | dev_t dev; |
299 | dev_t rdev; | |
300 | uid_t uid; | |
301 | gid_t gid; | |
302 | char *basename; | |
303 | char *dirname; | |
304 | char *basedir; | |
305 | char *link; | |
2d0bb8eb | 306 | char *sum; |
c627d613 AT |
307 | }; |
308 | ||
4440b8aa | 309 | |
c627d613 | 310 | struct file_list { |
a800434a AT |
311 | int count; |
312 | int malloced; | |
313 | struct file_struct **files; | |
c627d613 AT |
314 | }; |
315 | ||
316 | struct sum_buf { | |
c29ee43d AT |
317 | OFF_T offset; /* offset in file of this chunk */ |
318 | int len; /* length of chunk of file */ | |
319 | int i; /* index of this chunk */ | |
320 | uint32 sum1; /* simple checksum */ | |
321 | char sum2[SUM_LENGTH]; /* checksum */ | |
c627d613 AT |
322 | }; |
323 | ||
324 | struct sum_struct { | |
bcacc18b | 325 | OFF_T flength; /* total file length */ |
c627d613 AT |
326 | int count; /* how many chunks */ |
327 | int remainder; /* flength % block_length */ | |
328 | int n; /* block_length */ | |
329 | struct sum_buf *sums; /* points to info for each chunk */ | |
330 | }; | |
331 | ||
c6e7fcb4 | 332 | struct map_struct { |
4440b8aa | 333 | char *p; |
0b910560 | 334 | int fd,p_size,p_len; |
4440b8aa | 335 | OFF_T file_size, p_offset, p_fd_offset; |
c6e7fcb4 | 336 | }; |
c627d613 | 337 | |
2b6b4d53 AT |
338 | struct exclude_struct { |
339 | char *orig; | |
340 | char *pattern; | |
341 | int regular_exp; | |
a8b9d4ed | 342 | int fnmatch_flags; |
2b6b4d53 AT |
343 | int include; |
344 | int directory; | |
345 | int local; | |
346 | }; | |
347 | ||
a800434a AT |
348 | struct stats { |
349 | int64 total_size; | |
350 | int64 total_transferred_size; | |
351 | int64 total_written; | |
352 | int64 total_read; | |
353 | int64 literal_data; | |
354 | int64 matched_data; | |
355 | int flist_size; | |
356 | int num_files; | |
357 | int num_transferred_files; | |
358 | }; | |
359 | ||
2b6b4d53 | 360 | |
3b3a2fbc AT |
361 | /* we need this function because of the silly way in which duplicate |
362 | entries are handled in the file lists - we can't change this | |
363 | without breaking existing versions */ | |
71c46176 | 364 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 365 | { |
3ec4dd97 | 366 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
367 | return i; |
368 | } | |
369 | ||
c627d613 AT |
370 | #include "byteorder.h" |
371 | #include "version.h" | |
372 | #include "proto.h" | |
8de330a3 | 373 | #include "lib/mdfour.h" |
c627d613 AT |
374 | |
375 | #if !HAVE_STRERROR | |
376 | extern char *sys_errlist[]; | |
377 | #define strerror(i) sys_errlist[i] | |
378 | #endif | |
379 | ||
380 | #ifndef HAVE_STRCHR | |
381 | # define strchr index | |
382 | # define strrchr rindex | |
383 | #endif | |
384 | ||
c627d613 AT |
385 | #ifndef HAVE_ERRNO_DECL |
386 | extern int errno; | |
387 | #endif | |
388 | ||
cbbe4892 | 389 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 390 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 391 | |
8bf73749 AT |
392 | #ifndef HAVE_LCHOWN |
393 | #define lchown chown | |
394 | #endif | |
395 | ||
ac1eb754 | 396 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
397 | |
398 | #ifndef EWOULDBLOCK | |
399 | #define EWOULDBLOCK EAGAIN | |
400 | #endif | |
182dca5c | 401 | |
7b8356d0 AT |
402 | #ifndef STDIN_FILENO |
403 | #define STDIN_FILENO 0 | |
404 | #endif | |
405 | ||
406 | #ifndef STDOUT_FILENO | |
407 | #define STDOUT_FILENO 1 | |
408 | #endif | |
409 | ||
410 | #ifndef STDERR_FILENO | |
411 | #define STDERR_FILENO 2 | |
412 | #endif | |
413 | ||
414 | #ifndef S_IWUSR | |
415 | #define S_IWUSR 0200 | |
416 | #endif | |
417 | ||
b280a1f4 AT |
418 | #ifndef _S_IFMT |
419 | #define _S_IFMT 0170000 | |
420 | #endif | |
421 | ||
422 | #ifndef _S_IFLNK | |
423 | #define _S_IFLNK 0120000 | |
424 | #endif | |
425 | ||
426 | #ifndef S_ISLNK | |
427 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
428 | #endif | |
429 | ||
1e9f155a AT |
430 | #ifndef S_ISBLK |
431 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
432 | #endif | |
433 | ||
434 | #ifndef S_ISCHR | |
435 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
436 | #endif | |
437 | ||
a0b65b18 AT |
438 | #ifndef S_ISSOCK |
439 | #ifdef _S_IFSOCK | |
440 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
441 | #else | |
442 | #define S_ISSOCK(mode) (0) | |
443 | #endif | |
444 | #endif | |
445 | ||
446 | #ifndef S_ISFIFO | |
447 | #ifdef _S_IFIFO | |
448 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
449 | #else | |
450 | #define S_ISFIFO(mode) (0) | |
451 | #endif | |
452 | #endif | |
453 | ||
1e9f155a AT |
454 | #ifndef S_ISDIR |
455 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
456 | #endif | |
457 | ||
458 | #ifndef S_ISREG | |
459 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
460 | #endif | |
461 | ||
a0b65b18 AT |
462 | |
463 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 464 | |
22b19332 AT |
465 | #ifndef ACCESSPERMS |
466 | #define ACCESSPERMS 0777 | |
467 | #endif | |
e08bfe12 AT |
468 | |
469 | /* handler for null strings in printf format */ | |
470 | #define NS(s) ((s)?(s):"<NULL>") | |
471 | ||
472 | /* use magic gcc attributes to catch format errors */ | |
473 | void rprintf(int , const char *, ...) | |
474 | #ifdef __GNUC__ | |
475 | __attribute__ ((format (printf, 2, 3))) | |
476 | #endif | |
477 | ; | |
7b3d4257 AT |
478 | |
479 | #ifdef REPLACE_INET_NTOA | |
480 | #define inet_ntoa rep_inet_ntoa | |
481 | #endif | |
5a788ade AT |
482 | |
483 | ||
484 | #ifndef HAVE_STRLCPY | |
485 | size_t strlcpy(char *d, const char *s, size_t bufsize); | |
486 | #endif | |
487 | ||
488 | #ifndef HAVE_STRLCAT | |
489 | size_t strlcat(char *d, const char *s, size_t bufsize); | |
490 | #endif | |
491 | ||
a9766ef1 | 492 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |