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 | ||
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 */ |
6ba9279f | 44 | #define PROTOCOL_VERSION 17 |
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) |
d9bea2dd | 53 | #define MAX_MAP_SIZE (4*1024*1024) |
c627d613 | 54 | |
f0fca04e AT |
55 | #define MAX_ARGS 100 |
56 | ||
58d433ab AT |
57 | #define BLOCKING_TIMEOUT 10 |
58 | ||
9486289c AT |
59 | #define FERROR 1 |
60 | #define FINFO 2 | |
7bec6a5c | 61 | |
c627d613 AT |
62 | #include "config.h" |
63 | ||
24d95c03 AT |
64 | #if HAVE_REMSH |
65 | #define RSYNC_RSH "remsh" | |
66 | #else | |
67 | #define RSYNC_RSH "rsh" | |
68 | #endif | |
69 | ||
c627d613 AT |
70 | #include <sys/types.h> |
71 | #ifdef HAVE_UNISTD_H | |
72 | #include <unistd.h> | |
73 | #endif | |
74 | #include <stdio.h> | |
3591c066 | 75 | #include <stddef.h> |
c627d613 AT |
76 | |
77 | #ifdef HAVE_SYS_PARAM_H | |
78 | #include <sys/param.h> | |
79 | #endif | |
80 | ||
d7b305fd AT |
81 | #ifdef HAVE_STDLIB_H |
82 | #include <stdlib.h> | |
83 | #endif | |
84 | ||
fdd71e17 AT |
85 | #ifdef HAVE_SYS_SOCKET_H |
86 | #include <sys/socket.h> | |
87 | #endif | |
88 | ||
d7b305fd AT |
89 | #ifdef HAVE_STRING_H |
90 | #include <string.h> | |
c627d613 AT |
91 | #endif |
92 | ||
93 | #ifdef HAVE_COMPAT_H | |
94 | #include <compat.h> | |
95 | #endif | |
96 | ||
97 | #ifdef HAVE_MALLOC_H | |
98 | #include <malloc.h> | |
99 | #endif | |
100 | ||
101 | #ifdef TIME_WITH_SYS_TIME | |
102 | #include <sys/time.h> | |
103 | #include <time.h> | |
104 | #else | |
105 | #ifdef HAVE_SYS_TIME_H | |
106 | #include <sys/time.h> | |
107 | #else | |
108 | #include <time.h> | |
109 | #endif | |
110 | #endif | |
111 | ||
112 | #ifdef HAVE_FCNTL_H | |
113 | #include <fcntl.h> | |
114 | #else | |
115 | #ifdef HAVE_SYS_FCNTL_H | |
116 | #include <sys/fcntl.h> | |
117 | #endif | |
118 | #endif | |
119 | ||
120 | #include <sys/stat.h> | |
121 | ||
94481d91 AT |
122 | #ifdef HAVE_SYS_IOCTL_H |
123 | #include <sys/ioctl.h> | |
124 | #endif | |
125 | ||
126 | #ifdef HAVE_SYS_FILIO_H | |
127 | #include <sys/filio.h> | |
128 | #endif | |
129 | ||
c627d613 AT |
130 | #include <signal.h> |
131 | #ifdef HAVE_SYS_WAIT_H | |
132 | #include <sys/wait.h> | |
133 | #endif | |
134 | #ifdef HAVE_CTYPE_H | |
135 | #include <ctype.h> | |
136 | #endif | |
137 | #ifdef HAVE_GRP_H | |
138 | #include <grp.h> | |
139 | #endif | |
140 | #include <errno.h> | |
141 | ||
7bec6a5c | 142 | #ifdef HAVE_MMAP |
c627d613 | 143 | #include <sys/mman.h> |
7bec6a5c AT |
144 | #endif |
145 | ||
c627d613 AT |
146 | #ifdef HAVE_UTIME_H |
147 | #include <utime.h> | |
148 | #endif | |
149 | ||
8bf73749 AT |
150 | #ifdef HAVE_SYS_SELECT_H |
151 | #include <sys/select.h> | |
152 | #endif | |
153 | ||
773f2bd4 AT |
154 | #ifdef HAVE_SYS_MODE_H |
155 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 156 | #ifndef S_ISLNK |
773f2bd4 AT |
157 | #include <sys/mode.h> |
158 | #endif | |
05a6556d | 159 | #endif |
773f2bd4 | 160 | |
c627d613 AT |
161 | #ifdef HAVE_FNMATCH |
162 | #include <fnmatch.h> | |
163 | #else | |
164 | #include "lib/fnmatch.h" | |
165 | #endif | |
166 | ||
167 | #ifdef HAVE_GETOPT_LONG | |
168 | #include <getopt.h> | |
169 | #else | |
170 | #include "lib/getopt.h" | |
171 | #endif | |
172 | ||
f6c34742 AT |
173 | /* these are needed for the uid/gid mapping code */ |
174 | #include <pwd.h> | |
175 | #include <grp.h> | |
176 | ||
9486289c | 177 | #include <stdarg.h> |
f0fca04e AT |
178 | #include <netinet/in.h> |
179 | #include <arpa/inet.h> | |
180 | #include <netdb.h> | |
ff8b29b8 | 181 | #include <syslog.h> |
9486289c | 182 | |
cbbe4892 AT |
183 | #ifndef S_IFLNK |
184 | #define S_IFLNK 0120000 | |
185 | #endif | |
c627d613 AT |
186 | |
187 | #ifndef S_ISLNK | |
188 | #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) | |
189 | #endif | |
190 | ||
f0fca04e AT |
191 | #define BOOL int |
192 | ||
c627d613 AT |
193 | #ifndef uchar |
194 | #define uchar unsigned char | |
195 | #endif | |
196 | ||
debb4505 AT |
197 | #if HAVE_UNSIGNED_CHAR |
198 | #define schar signed char | |
199 | #else | |
200 | #define schar char | |
201 | #endif | |
202 | ||
c627d613 AT |
203 | #ifndef int32 |
204 | #if (SIZEOF_INT == 4) | |
205 | #define int32 int | |
206 | #elif (SIZEOF_LONG == 4) | |
207 | #define int32 long | |
208 | #elif (SIZEOF_SHORT == 4) | |
209 | #define int32 short | |
210 | #endif | |
211 | #endif | |
212 | ||
213 | #ifndef uint32 | |
214 | #define uint32 unsigned int32 | |
215 | #endif | |
216 | ||
bcacc18b AT |
217 | #if HAVE_OFF64_T |
218 | #define OFF_T off64_t | |
219 | #define STRUCT_STAT struct stat64 | |
220 | #else | |
221 | #define OFF_T off_t | |
222 | #define STRUCT_STAT struct stat | |
223 | #endif | |
224 | ||
225 | #if HAVE_OFF64_T | |
226 | #define int64 off64_t | |
227 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
228 | #define int64 long |
229 | #elif (SIZEOF_INT == 8) | |
230 | #define int64 int | |
231 | #elif HAVE_LONGLONG | |
71c46176 AT |
232 | #define int64 long long |
233 | #else | |
234 | #define int64 off_t | |
3bee6733 | 235 | #define NO_INT64 |
71c46176 | 236 | #endif |
c627d613 AT |
237 | |
238 | #ifndef MIN | |
239 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
240 | #endif | |
241 | ||
242 | #ifndef MAX | |
243 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
244 | #endif | |
245 | ||
246 | /* the length of the md4 checksum */ | |
ebb0a6f6 | 247 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
248 | #define SUM_LENGTH 16 |
249 | ||
250 | #ifndef MAXPATHLEN | |
251 | #define MAXPATHLEN 1024 | |
252 | #endif | |
253 | ||
254 | struct file_struct { | |
3333ffbd | 255 | unsigned flags; |
3ec4dd97 | 256 | time_t modtime; |
bcacc18b | 257 | OFF_T length; |
3ec4dd97 AT |
258 | mode_t mode; |
259 | ino_t inode; | |
260 | dev_t dev; | |
261 | dev_t rdev; | |
262 | uid_t uid; | |
263 | gid_t gid; | |
264 | char *basename; | |
265 | char *dirname; | |
266 | char *basedir; | |
267 | char *link; | |
2d0bb8eb | 268 | char *sum; |
c627d613 AT |
269 | }; |
270 | ||
271 | struct file_list { | |
272 | int count; | |
273 | int malloced; | |
3ec4dd97 | 274 | struct file_struct **files; |
c627d613 AT |
275 | }; |
276 | ||
277 | struct sum_buf { | |
bcacc18b | 278 | OFF_T offset; /* offset in file of this chunk */ |
c627d613 AT |
279 | int len; /* length of chunk of file */ |
280 | int i; /* index of this chunk */ | |
281 | uint32 sum1; /* simple checksum */ | |
ebb0a6f6 | 282 | char sum2[SUM_LENGTH]; /* checksum */ |
c627d613 AT |
283 | }; |
284 | ||
285 | struct sum_struct { | |
bcacc18b | 286 | OFF_T flength; /* total file length */ |
c627d613 AT |
287 | int count; /* how many chunks */ |
288 | int remainder; /* flength % block_length */ | |
289 | int n; /* block_length */ | |
290 | struct sum_buf *sums; /* points to info for each chunk */ | |
291 | }; | |
292 | ||
c6e7fcb4 | 293 | struct map_struct { |
0b910560 AT |
294 | char *map,*p; |
295 | int fd,p_size,p_len; | |
bcacc18b | 296 | OFF_T size, p_offset; |
c6e7fcb4 | 297 | }; |
c627d613 | 298 | |
3b3a2fbc AT |
299 | /* we need this function because of the silly way in which duplicate |
300 | entries are handled in the file lists - we can't change this | |
301 | without breaking existing versions */ | |
71c46176 | 302 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 303 | { |
3ec4dd97 | 304 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
305 | return i; |
306 | } | |
307 | ||
d6e6ecbd AT |
308 | #if HAVE_DIRENT_H |
309 | # include <dirent.h> | |
310 | #else | |
311 | # define dirent direct | |
312 | # if HAVE_SYS_NDIR_H | |
313 | # include <sys/ndir.h> | |
314 | # endif | |
315 | # if HAVE_SYS_DIR_H | |
316 | # include <sys/dir.h> | |
317 | # endif | |
318 | # if HAVE_NDIR_H | |
319 | # include <ndir.h> | |
320 | # endif | |
321 | #endif | |
3b3a2fbc | 322 | |
c627d613 AT |
323 | #include "byteorder.h" |
324 | #include "version.h" | |
325 | #include "proto.h" | |
326 | #include "md4.h" | |
327 | ||
328 | #if !HAVE_STRERROR | |
329 | extern char *sys_errlist[]; | |
330 | #define strerror(i) sys_errlist[i] | |
331 | #endif | |
332 | ||
333 | #ifndef HAVE_STRCHR | |
334 | # define strchr index | |
335 | # define strrchr rindex | |
336 | #endif | |
337 | ||
c627d613 AT |
338 | #ifndef HAVE_ERRNO_DECL |
339 | extern int errno; | |
340 | #endif | |
341 | ||
342 | #ifndef HAVE_BCOPY | |
343 | #define bcopy(src,dest,n) memcpy(dest,src,n) | |
344 | #endif | |
345 | ||
346 | #ifndef HAVE_BZERO | |
347 | #define bzero(buf,n) memset(buf,0,n) | |
348 | #endif | |
349 | ||
cbbe4892 | 350 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 351 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 352 | |
8bf73749 AT |
353 | #ifndef HAVE_LCHOWN |
354 | #define lchown chown | |
355 | #endif | |
356 | ||
ac1eb754 | 357 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
358 | |
359 | #ifndef EWOULDBLOCK | |
360 | #define EWOULDBLOCK EAGAIN | |
361 | #endif | |
182dca5c | 362 | |
7b8356d0 AT |
363 | #ifndef STDIN_FILENO |
364 | #define STDIN_FILENO 0 | |
365 | #endif | |
366 | ||
367 | #ifndef STDOUT_FILENO | |
368 | #define STDOUT_FILENO 1 | |
369 | #endif | |
370 | ||
371 | #ifndef STDERR_FILENO | |
372 | #define STDERR_FILENO 2 | |
373 | #endif | |
374 | ||
375 | #ifndef S_IWUSR | |
376 | #define S_IWUSR 0200 | |
377 | #endif | |
378 | ||
1e9f155a AT |
379 | #ifndef S_ISBLK |
380 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
381 | #endif | |
382 | ||
383 | #ifndef S_ISCHR | |
384 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
385 | #endif | |
386 | ||
a0b65b18 AT |
387 | #ifndef S_ISSOCK |
388 | #ifdef _S_IFSOCK | |
389 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
390 | #else | |
391 | #define S_ISSOCK(mode) (0) | |
392 | #endif | |
393 | #endif | |
394 | ||
395 | #ifndef S_ISFIFO | |
396 | #ifdef _S_IFIFO | |
397 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
398 | #else | |
399 | #define S_ISFIFO(mode) (0) | |
400 | #endif | |
401 | #endif | |
402 | ||
1e9f155a AT |
403 | #ifndef S_ISDIR |
404 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
405 | #endif | |
406 | ||
407 | #ifndef S_ISREG | |
408 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
409 | #endif | |
410 | ||
a0b65b18 AT |
411 | |
412 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 413 |