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 | ||
20 | #define BLOCK_SIZE 700 | |
21 | #define RSYNC_RSH_ENV "RSYNC_RSH" | |
7b8356d0 | 22 | |
c627d613 | 23 | #define RSYNC_NAME "rsync" |
f0fca04e | 24 | #define RSYNCD_CONF "/etc/rsyncd.conf" |
f0fca04e | 25 | |
c627d613 AT |
26 | #define BACKUP_SUFFIX "~" |
27 | ||
1b01b295 AT |
28 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
29 | imcompatible with older versions :-( */ | |
30 | #define CHAR_OFFSET 0 | |
31 | ||
32 | ||
3333ffbd | 33 | #define FLAG_DELETE (1<<0) |
4fe159a8 | 34 | #define SAME_MODE (1<<1) |
dc5ddbcc | 35 | #define SAME_RDEV (1<<2) |
4fe159a8 AT |
36 | #define SAME_UID (1<<3) |
37 | #define SAME_GID (1<<4) | |
38 | #define SAME_DIR (1<<5) | |
39 | #define SAME_NAME SAME_DIR | |
40 | #define LONG_NAME (1<<6) | |
41 | #define SAME_TIME (1<<7) | |
42 | ||
c627d613 | 43 | /* update this if you make incompatible changes */ |
7b1ce0d7 | 44 | #define PROTOCOL_VERSION 19 |
3ec4dd97 | 45 | #define MIN_PROTOCOL_VERSION 11 |
6ba9279f | 46 | #define MAX_PROTOCOL_VERSION 30 |
c627d613 | 47 | |
9486289c AT |
48 | #define RSYNC_PORT 873 |
49 | ||
d867229b | 50 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 51 | #define WRITE_SIZE (32*1024) |
34ccb63e | 52 | #define CHUNK_SIZE (32*1024) |
2f326946 | 53 | #define MAX_MAP_SIZE (1*1024*1024) |
e3fe383a | 54 | #define IO_BUFFER_SIZE (4092) |
5dd7e031 | 55 | #define MAX_READ_BUFFER (1024*1024) |
c627d613 | 56 | |
874895d5 | 57 | #define MAX_ARGS 1000 |
f0fca04e | 58 | |
8d9dc9f9 | 59 | #define MPLEX_BASE 7 |
9486289c AT |
60 | #define FERROR 1 |
61 | #define FINFO 2 | |
11a5a3c7 | 62 | #define FLOG 3 |
7bec6a5c | 63 | |
c627d613 AT |
64 | #include "config.h" |
65 | ||
24d95c03 AT |
66 | #if HAVE_REMSH |
67 | #define RSYNC_RSH "remsh" | |
68 | #else | |
69 | #define RSYNC_RSH "rsh" | |
70 | #endif | |
71 | ||
c627d613 | 72 | #include <sys/types.h> |
6ed67e6d AT |
73 | |
74 | #ifdef HAVE_GETOPT_LONG | |
75 | #include <getopt.h> | |
76 | #else | |
77 | #include "lib/getopt.h" | |
78 | #endif | |
79 | ||
c627d613 AT |
80 | #ifdef HAVE_UNISTD_H |
81 | #include <unistd.h> | |
82 | #endif | |
83 | #include <stdio.h> | |
3591c066 | 84 | #include <stddef.h> |
c627d613 AT |
85 | |
86 | #ifdef HAVE_SYS_PARAM_H | |
87 | #include <sys/param.h> | |
88 | #endif | |
89 | ||
d7b305fd AT |
90 | #ifdef HAVE_STDLIB_H |
91 | #include <stdlib.h> | |
92 | #endif | |
93 | ||
fdd71e17 AT |
94 | #ifdef HAVE_SYS_SOCKET_H |
95 | #include <sys/socket.h> | |
96 | #endif | |
97 | ||
d7b305fd AT |
98 | #ifdef HAVE_STRING_H |
99 | #include <string.h> | |
c627d613 AT |
100 | #endif |
101 | ||
c627d613 AT |
102 | #ifdef HAVE_MALLOC_H |
103 | #include <malloc.h> | |
104 | #endif | |
105 | ||
106 | #ifdef TIME_WITH_SYS_TIME | |
107 | #include <sys/time.h> | |
108 | #include <time.h> | |
109 | #else | |
110 | #ifdef HAVE_SYS_TIME_H | |
111 | #include <sys/time.h> | |
112 | #else | |
113 | #include <time.h> | |
114 | #endif | |
115 | #endif | |
116 | ||
117 | #ifdef HAVE_FCNTL_H | |
118 | #include <fcntl.h> | |
119 | #else | |
120 | #ifdef HAVE_SYS_FCNTL_H | |
121 | #include <sys/fcntl.h> | |
122 | #endif | |
123 | #endif | |
124 | ||
125 | #include <sys/stat.h> | |
126 | ||
94481d91 AT |
127 | #ifdef HAVE_SYS_IOCTL_H |
128 | #include <sys/ioctl.h> | |
129 | #endif | |
130 | ||
131 | #ifdef HAVE_SYS_FILIO_H | |
132 | #include <sys/filio.h> | |
133 | #endif | |
134 | ||
c627d613 AT |
135 | #include <signal.h> |
136 | #ifdef HAVE_SYS_WAIT_H | |
137 | #include <sys/wait.h> | |
138 | #endif | |
139 | #ifdef HAVE_CTYPE_H | |
140 | #include <ctype.h> | |
141 | #endif | |
142 | #ifdef HAVE_GRP_H | |
143 | #include <grp.h> | |
144 | #endif | |
145 | #include <errno.h> | |
146 | ||
bb0f7089 | 147 | #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP) |
c627d613 | 148 | #include <sys/mman.h> |
bb0f7089 | 149 | #define USE_MMAP 1 |
7bec6a5c AT |
150 | #endif |
151 | ||
c627d613 AT |
152 | #ifdef HAVE_UTIME_H |
153 | #include <utime.h> | |
154 | #endif | |
155 | ||
8bf73749 AT |
156 | #ifdef HAVE_SYS_SELECT_H |
157 | #include <sys/select.h> | |
158 | #endif | |
159 | ||
773f2bd4 AT |
160 | #ifdef HAVE_SYS_MODE_H |
161 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 162 | #ifndef S_ISLNK |
773f2bd4 AT |
163 | #include <sys/mode.h> |
164 | #endif | |
05a6556d | 165 | #endif |
773f2bd4 | 166 | |
c627d613 AT |
167 | #ifdef HAVE_FNMATCH |
168 | #include <fnmatch.h> | |
169 | #else | |
170 | #include "lib/fnmatch.h" | |
171 | #endif | |
172 | ||
932be9aa | 173 | #ifdef HAVE_GLOB_H |
874895d5 AT |
174 | #include <glob.h> |
175 | #endif | |
176 | ||
f6c34742 AT |
177 | /* these are needed for the uid/gid mapping code */ |
178 | #include <pwd.h> | |
179 | #include <grp.h> | |
180 | ||
9486289c | 181 | #include <stdarg.h> |
f0fca04e AT |
182 | #include <netinet/in.h> |
183 | #include <arpa/inet.h> | |
184 | #include <netdb.h> | |
ff8b29b8 | 185 | #include <syslog.h> |
6c8f5373 | 186 | #include <sys/file.h> |
9486289c | 187 | |
e8f5b936 AT |
188 | #if HAVE_DIRENT_H |
189 | # include <dirent.h> | |
190 | #else | |
191 | # define dirent direct | |
192 | # if HAVE_SYS_NDIR_H | |
193 | # include <sys/ndir.h> | |
194 | # endif | |
195 | # if HAVE_SYS_DIR_H | |
196 | # include <sys/dir.h> | |
197 | # endif | |
198 | # if HAVE_NDIR_H | |
199 | # include <ndir.h> | |
200 | # endif | |
201 | #endif | |
202 | ||
203 | #ifdef HAVE_COMPAT_H | |
204 | #include <compat.h> | |
205 | #endif | |
206 | ||
207 | ||
f0fca04e AT |
208 | #define BOOL int |
209 | ||
c627d613 AT |
210 | #ifndef uchar |
211 | #define uchar unsigned char | |
212 | #endif | |
213 | ||
debb4505 AT |
214 | #if HAVE_UNSIGNED_CHAR |
215 | #define schar signed char | |
216 | #else | |
217 | #define schar char | |
218 | #endif | |
219 | ||
c627d613 AT |
220 | #ifndef int32 |
221 | #if (SIZEOF_INT == 4) | |
222 | #define int32 int | |
223 | #elif (SIZEOF_LONG == 4) | |
224 | #define int32 long | |
225 | #elif (SIZEOF_SHORT == 4) | |
226 | #define int32 short | |
8de330a3 AT |
227 | #else |
228 | /* I hope this works */ | |
229 | #define int32 int | |
f3737e06 | 230 | #define LARGE_INT32 |
c627d613 AT |
231 | #endif |
232 | #endif | |
233 | ||
234 | #ifndef uint32 | |
235 | #define uint32 unsigned int32 | |
236 | #endif | |
237 | ||
bcacc18b AT |
238 | #if HAVE_OFF64_T |
239 | #define OFF_T off64_t | |
240 | #define STRUCT_STAT struct stat64 | |
241 | #else | |
242 | #define OFF_T off_t | |
243 | #define STRUCT_STAT struct stat | |
244 | #endif | |
245 | ||
246 | #if HAVE_OFF64_T | |
247 | #define int64 off64_t | |
248 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
249 | #define int64 long |
250 | #elif (SIZEOF_INT == 8) | |
251 | #define int64 int | |
252 | #elif HAVE_LONGLONG | |
71c46176 AT |
253 | #define int64 long long |
254 | #else | |
255 | #define int64 off_t | |
3bee6733 | 256 | #define NO_INT64 |
71c46176 | 257 | #endif |
c627d613 | 258 | |
c29ee43d AT |
259 | #if HAVE_SHORT_INO_T |
260 | #define INO_T uint32 | |
261 | #else | |
262 | #define INO_T ino_t | |
263 | #endif | |
264 | ||
c627d613 AT |
265 | #ifndef MIN |
266 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
267 | #endif | |
268 | ||
269 | #ifndef MAX | |
270 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
271 | #endif | |
272 | ||
273 | /* the length of the md4 checksum */ | |
ebb0a6f6 | 274 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
275 | #define SUM_LENGTH 16 |
276 | ||
277 | #ifndef MAXPATHLEN | |
278 | #define MAXPATHLEN 1024 | |
279 | #endif | |
280 | ||
0473e2a1 AT |
281 | #ifndef INADDR_NONE |
282 | #define INADDR_NONE 0xffffffff | |
283 | #endif | |
284 | ||
c627d613 | 285 | struct file_struct { |
3333ffbd | 286 | unsigned flags; |
3ec4dd97 | 287 | time_t modtime; |
bcacc18b | 288 | OFF_T length; |
3ec4dd97 | 289 | mode_t mode; |
c29ee43d | 290 | INO_T inode; |
3ec4dd97 AT |
291 | dev_t dev; |
292 | dev_t rdev; | |
293 | uid_t uid; | |
294 | gid_t gid; | |
295 | char *basename; | |
296 | char *dirname; | |
297 | char *basedir; | |
298 | char *link; | |
2d0bb8eb | 299 | char *sum; |
c627d613 AT |
300 | }; |
301 | ||
302 | struct file_list { | |
a800434a AT |
303 | int count; |
304 | int malloced; | |
305 | struct file_struct **files; | |
c627d613 AT |
306 | }; |
307 | ||
308 | struct sum_buf { | |
c29ee43d AT |
309 | OFF_T offset; /* offset in file of this chunk */ |
310 | int len; /* length of chunk of file */ | |
311 | int i; /* index of this chunk */ | |
312 | uint32 sum1; /* simple checksum */ | |
313 | char sum2[SUM_LENGTH]; /* checksum */ | |
c627d613 AT |
314 | }; |
315 | ||
316 | struct sum_struct { | |
bcacc18b | 317 | OFF_T flength; /* total file length */ |
c627d613 AT |
318 | int count; /* how many chunks */ |
319 | int remainder; /* flength % block_length */ | |
320 | int n; /* block_length */ | |
321 | struct sum_buf *sums; /* points to info for each chunk */ | |
322 | }; | |
323 | ||
c6e7fcb4 | 324 | struct map_struct { |
0b910560 AT |
325 | char *map,*p; |
326 | int fd,p_size,p_len; | |
bcacc18b | 327 | OFF_T size, p_offset; |
c6e7fcb4 | 328 | }; |
c627d613 | 329 | |
2b6b4d53 AT |
330 | struct exclude_struct { |
331 | char *orig; | |
332 | char *pattern; | |
333 | int regular_exp; | |
334 | int include; | |
335 | int directory; | |
336 | int local; | |
337 | }; | |
338 | ||
a800434a AT |
339 | struct stats { |
340 | int64 total_size; | |
341 | int64 total_transferred_size; | |
342 | int64 total_written; | |
343 | int64 total_read; | |
344 | int64 literal_data; | |
345 | int64 matched_data; | |
346 | int flist_size; | |
347 | int num_files; | |
348 | int num_transferred_files; | |
349 | }; | |
350 | ||
2b6b4d53 | 351 | |
3b3a2fbc AT |
352 | /* we need this function because of the silly way in which duplicate |
353 | entries are handled in the file lists - we can't change this | |
354 | without breaking existing versions */ | |
71c46176 | 355 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 356 | { |
3ec4dd97 | 357 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
358 | return i; |
359 | } | |
360 | ||
c627d613 AT |
361 | #include "byteorder.h" |
362 | #include "version.h" | |
363 | #include "proto.h" | |
8de330a3 | 364 | #include "lib/mdfour.h" |
c627d613 AT |
365 | |
366 | #if !HAVE_STRERROR | |
367 | extern char *sys_errlist[]; | |
368 | #define strerror(i) sys_errlist[i] | |
369 | #endif | |
370 | ||
371 | #ifndef HAVE_STRCHR | |
372 | # define strchr index | |
373 | # define strrchr rindex | |
374 | #endif | |
375 | ||
c627d613 AT |
376 | #ifndef HAVE_ERRNO_DECL |
377 | extern int errno; | |
378 | #endif | |
379 | ||
cbbe4892 | 380 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 381 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 382 | |
8bf73749 AT |
383 | #ifndef HAVE_LCHOWN |
384 | #define lchown chown | |
385 | #endif | |
386 | ||
ac1eb754 | 387 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
388 | |
389 | #ifndef EWOULDBLOCK | |
390 | #define EWOULDBLOCK EAGAIN | |
391 | #endif | |
182dca5c | 392 | |
7b8356d0 AT |
393 | #ifndef STDIN_FILENO |
394 | #define STDIN_FILENO 0 | |
395 | #endif | |
396 | ||
397 | #ifndef STDOUT_FILENO | |
398 | #define STDOUT_FILENO 1 | |
399 | #endif | |
400 | ||
401 | #ifndef STDERR_FILENO | |
402 | #define STDERR_FILENO 2 | |
403 | #endif | |
404 | ||
405 | #ifndef S_IWUSR | |
406 | #define S_IWUSR 0200 | |
407 | #endif | |
408 | ||
b280a1f4 AT |
409 | #ifndef _S_IFMT |
410 | #define _S_IFMT 0170000 | |
411 | #endif | |
412 | ||
413 | #ifndef _S_IFLNK | |
414 | #define _S_IFLNK 0120000 | |
415 | #endif | |
416 | ||
417 | #ifndef S_ISLNK | |
418 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
419 | #endif | |
420 | ||
1e9f155a AT |
421 | #ifndef S_ISBLK |
422 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
423 | #endif | |
424 | ||
425 | #ifndef S_ISCHR | |
426 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
427 | #endif | |
428 | ||
a0b65b18 AT |
429 | #ifndef S_ISSOCK |
430 | #ifdef _S_IFSOCK | |
431 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
432 | #else | |
433 | #define S_ISSOCK(mode) (0) | |
434 | #endif | |
435 | #endif | |
436 | ||
437 | #ifndef S_ISFIFO | |
438 | #ifdef _S_IFIFO | |
439 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
440 | #else | |
441 | #define S_ISFIFO(mode) (0) | |
442 | #endif | |
443 | #endif | |
444 | ||
1e9f155a AT |
445 | #ifndef S_ISDIR |
446 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
447 | #endif | |
448 | ||
449 | #ifndef S_ISREG | |
450 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
451 | #endif | |
452 | ||
a0b65b18 AT |
453 | |
454 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 455 | |
22b19332 AT |
456 | #ifndef ACCESSPERMS |
457 | #define ACCESSPERMS 0777 | |
458 | #endif | |
e08bfe12 AT |
459 | |
460 | /* handler for null strings in printf format */ | |
461 | #define NS(s) ((s)?(s):"<NULL>") | |
462 | ||
463 | /* use magic gcc attributes to catch format errors */ | |
464 | void rprintf(int , const char *, ...) | |
465 | #ifdef __GNUC__ | |
466 | __attribute__ ((format (printf, 2, 3))) | |
467 | #endif | |
468 | ; |