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 | |
7bec6a5c | 62 | |
c627d613 AT |
63 | #include "config.h" |
64 | ||
24d95c03 AT |
65 | #if HAVE_REMSH |
66 | #define RSYNC_RSH "remsh" | |
67 | #else | |
68 | #define RSYNC_RSH "rsh" | |
69 | #endif | |
70 | ||
c627d613 | 71 | #include <sys/types.h> |
6ed67e6d AT |
72 | |
73 | #ifdef HAVE_GETOPT_LONG | |
74 | #include <getopt.h> | |
75 | #else | |
76 | #include "lib/getopt.h" | |
77 | #endif | |
78 | ||
c627d613 AT |
79 | #ifdef HAVE_UNISTD_H |
80 | #include <unistd.h> | |
81 | #endif | |
82 | #include <stdio.h> | |
3591c066 | 83 | #include <stddef.h> |
c627d613 AT |
84 | |
85 | #ifdef HAVE_SYS_PARAM_H | |
86 | #include <sys/param.h> | |
87 | #endif | |
88 | ||
d7b305fd AT |
89 | #ifdef HAVE_STDLIB_H |
90 | #include <stdlib.h> | |
91 | #endif | |
92 | ||
fdd71e17 AT |
93 | #ifdef HAVE_SYS_SOCKET_H |
94 | #include <sys/socket.h> | |
95 | #endif | |
96 | ||
d7b305fd AT |
97 | #ifdef HAVE_STRING_H |
98 | #include <string.h> | |
c627d613 AT |
99 | #endif |
100 | ||
c627d613 AT |
101 | #ifdef HAVE_MALLOC_H |
102 | #include <malloc.h> | |
103 | #endif | |
104 | ||
105 | #ifdef TIME_WITH_SYS_TIME | |
106 | #include <sys/time.h> | |
107 | #include <time.h> | |
108 | #else | |
109 | #ifdef HAVE_SYS_TIME_H | |
110 | #include <sys/time.h> | |
111 | #else | |
112 | #include <time.h> | |
113 | #endif | |
114 | #endif | |
115 | ||
116 | #ifdef HAVE_FCNTL_H | |
117 | #include <fcntl.h> | |
118 | #else | |
119 | #ifdef HAVE_SYS_FCNTL_H | |
120 | #include <sys/fcntl.h> | |
121 | #endif | |
122 | #endif | |
123 | ||
124 | #include <sys/stat.h> | |
125 | ||
94481d91 AT |
126 | #ifdef HAVE_SYS_IOCTL_H |
127 | #include <sys/ioctl.h> | |
128 | #endif | |
129 | ||
130 | #ifdef HAVE_SYS_FILIO_H | |
131 | #include <sys/filio.h> | |
132 | #endif | |
133 | ||
c627d613 AT |
134 | #include <signal.h> |
135 | #ifdef HAVE_SYS_WAIT_H | |
136 | #include <sys/wait.h> | |
137 | #endif | |
138 | #ifdef HAVE_CTYPE_H | |
139 | #include <ctype.h> | |
140 | #endif | |
141 | #ifdef HAVE_GRP_H | |
142 | #include <grp.h> | |
143 | #endif | |
144 | #include <errno.h> | |
145 | ||
bb0f7089 | 146 | #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP) |
c627d613 | 147 | #include <sys/mman.h> |
bb0f7089 | 148 | #define USE_MMAP 1 |
7bec6a5c AT |
149 | #endif |
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 | ||
874895d5 AT |
172 | #ifdef HAVE_GLOB |
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 | ||
cbbe4892 AT |
207 | #ifndef S_IFLNK |
208 | #define S_IFLNK 0120000 | |
209 | #endif | |
c627d613 AT |
210 | |
211 | #ifndef S_ISLNK | |
212 | #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) | |
213 | #endif | |
214 | ||
f0fca04e AT |
215 | #define BOOL int |
216 | ||
c627d613 AT |
217 | #ifndef uchar |
218 | #define uchar unsigned char | |
219 | #endif | |
220 | ||
debb4505 AT |
221 | #if HAVE_UNSIGNED_CHAR |
222 | #define schar signed char | |
223 | #else | |
224 | #define schar char | |
225 | #endif | |
226 | ||
c627d613 AT |
227 | #ifndef int32 |
228 | #if (SIZEOF_INT == 4) | |
229 | #define int32 int | |
230 | #elif (SIZEOF_LONG == 4) | |
231 | #define int32 long | |
232 | #elif (SIZEOF_SHORT == 4) | |
233 | #define int32 short | |
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 AT |
261 | |
262 | #ifndef MIN | |
263 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
264 | #endif | |
265 | ||
266 | #ifndef MAX | |
267 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
268 | #endif | |
269 | ||
270 | /* the length of the md4 checksum */ | |
ebb0a6f6 | 271 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
272 | #define SUM_LENGTH 16 |
273 | ||
274 | #ifndef MAXPATHLEN | |
275 | #define MAXPATHLEN 1024 | |
276 | #endif | |
277 | ||
0473e2a1 AT |
278 | #ifndef INADDR_NONE |
279 | #define INADDR_NONE 0xffffffff | |
280 | #endif | |
281 | ||
c627d613 | 282 | struct file_struct { |
3333ffbd | 283 | unsigned flags; |
3ec4dd97 | 284 | time_t modtime; |
bcacc18b | 285 | OFF_T length; |
3ec4dd97 AT |
286 | mode_t mode; |
287 | ino_t inode; | |
288 | dev_t dev; | |
289 | dev_t rdev; | |
290 | uid_t uid; | |
291 | gid_t gid; | |
292 | char *basename; | |
293 | char *dirname; | |
294 | char *basedir; | |
295 | char *link; | |
2d0bb8eb | 296 | char *sum; |
c627d613 AT |
297 | }; |
298 | ||
299 | struct file_list { | |
a800434a AT |
300 | int count; |
301 | int malloced; | |
302 | struct file_struct **files; | |
c627d613 AT |
303 | }; |
304 | ||
305 | struct sum_buf { | |
bcacc18b | 306 | OFF_T offset; /* offset in file of this chunk */ |
c627d613 AT |
307 | int len; /* length of chunk of file */ |
308 | int i; /* index of this chunk */ | |
309 | uint32 sum1; /* simple checksum */ | |
ebb0a6f6 | 310 | char sum2[SUM_LENGTH]; /* checksum */ |
c627d613 AT |
311 | }; |
312 | ||
313 | struct sum_struct { | |
bcacc18b | 314 | OFF_T flength; /* total file length */ |
c627d613 AT |
315 | int count; /* how many chunks */ |
316 | int remainder; /* flength % block_length */ | |
317 | int n; /* block_length */ | |
318 | struct sum_buf *sums; /* points to info for each chunk */ | |
319 | }; | |
320 | ||
c6e7fcb4 | 321 | struct map_struct { |
0b910560 AT |
322 | char *map,*p; |
323 | int fd,p_size,p_len; | |
bcacc18b | 324 | OFF_T size, p_offset; |
c6e7fcb4 | 325 | }; |
c627d613 | 326 | |
2b6b4d53 AT |
327 | struct exclude_struct { |
328 | char *orig; | |
329 | char *pattern; | |
330 | int regular_exp; | |
331 | int include; | |
332 | int directory; | |
333 | int local; | |
334 | }; | |
335 | ||
a800434a AT |
336 | struct stats { |
337 | int64 total_size; | |
338 | int64 total_transferred_size; | |
339 | int64 total_written; | |
340 | int64 total_read; | |
341 | int64 literal_data; | |
342 | int64 matched_data; | |
343 | int flist_size; | |
344 | int num_files; | |
345 | int num_transferred_files; | |
346 | }; | |
347 | ||
2b6b4d53 | 348 | |
3b3a2fbc AT |
349 | /* we need this function because of the silly way in which duplicate |
350 | entries are handled in the file lists - we can't change this | |
351 | without breaking existing versions */ | |
71c46176 | 352 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 353 | { |
3ec4dd97 | 354 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
355 | return i; |
356 | } | |
357 | ||
c627d613 AT |
358 | #include "byteorder.h" |
359 | #include "version.h" | |
360 | #include "proto.h" | |
361 | #include "md4.h" | |
362 | ||
363 | #if !HAVE_STRERROR | |
364 | extern char *sys_errlist[]; | |
365 | #define strerror(i) sys_errlist[i] | |
366 | #endif | |
367 | ||
368 | #ifndef HAVE_STRCHR | |
369 | # define strchr index | |
370 | # define strrchr rindex | |
371 | #endif | |
372 | ||
c627d613 AT |
373 | #ifndef HAVE_ERRNO_DECL |
374 | extern int errno; | |
375 | #endif | |
376 | ||
cbbe4892 | 377 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 378 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 379 | |
8bf73749 AT |
380 | #ifndef HAVE_LCHOWN |
381 | #define lchown chown | |
382 | #endif | |
383 | ||
ac1eb754 | 384 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
385 | |
386 | #ifndef EWOULDBLOCK | |
387 | #define EWOULDBLOCK EAGAIN | |
388 | #endif | |
182dca5c | 389 | |
7b8356d0 AT |
390 | #ifndef STDIN_FILENO |
391 | #define STDIN_FILENO 0 | |
392 | #endif | |
393 | ||
394 | #ifndef STDOUT_FILENO | |
395 | #define STDOUT_FILENO 1 | |
396 | #endif | |
397 | ||
398 | #ifndef STDERR_FILENO | |
399 | #define STDERR_FILENO 2 | |
400 | #endif | |
401 | ||
402 | #ifndef S_IWUSR | |
403 | #define S_IWUSR 0200 | |
404 | #endif | |
405 | ||
1e9f155a AT |
406 | #ifndef S_ISBLK |
407 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
408 | #endif | |
409 | ||
410 | #ifndef S_ISCHR | |
411 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
412 | #endif | |
413 | ||
a0b65b18 AT |
414 | #ifndef S_ISSOCK |
415 | #ifdef _S_IFSOCK | |
416 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
417 | #else | |
418 | #define S_ISSOCK(mode) (0) | |
419 | #endif | |
420 | #endif | |
421 | ||
422 | #ifndef S_ISFIFO | |
423 | #ifdef _S_IFIFO | |
424 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
425 | #else | |
426 | #define S_ISFIFO(mode) (0) | |
427 | #endif | |
428 | #endif | |
429 | ||
1e9f155a AT |
430 | #ifndef S_ISDIR |
431 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
432 | #endif | |
433 | ||
434 | #ifndef S_ISREG | |
435 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
436 | #endif | |
437 | ||
a0b65b18 AT |
438 | |
439 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 440 | |
22b19332 AT |
441 | #ifndef ACCESSPERMS |
442 | #define ACCESSPERMS 0777 | |
443 | #endif |