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 AT |
23 | #define RSYNC_NAME "rsync" |
24 | #define BACKUP_SUFFIX "~" | |
25 | ||
1b01b295 AT |
26 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
27 | imcompatible with older versions :-( */ | |
28 | #define CHAR_OFFSET 0 | |
29 | ||
30 | ||
3333ffbd | 31 | #define FLAG_DELETE (1<<0) |
4fe159a8 | 32 | #define SAME_MODE (1<<1) |
dc5ddbcc | 33 | #define SAME_RDEV (1<<2) |
4fe159a8 AT |
34 | #define SAME_UID (1<<3) |
35 | #define SAME_GID (1<<4) | |
36 | #define SAME_DIR (1<<5) | |
37 | #define SAME_NAME SAME_DIR | |
38 | #define LONG_NAME (1<<6) | |
39 | #define SAME_TIME (1<<7) | |
40 | ||
c627d613 | 41 | /* update this if you make incompatible changes */ |
6ba9279f | 42 | #define PROTOCOL_VERSION 17 |
3ec4dd97 | 43 | #define MIN_PROTOCOL_VERSION 11 |
6ba9279f | 44 | #define MAX_PROTOCOL_VERSION 30 |
c627d613 | 45 | |
d867229b | 46 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 47 | #define WRITE_SIZE (32*1024) |
34ccb63e | 48 | #define CHUNK_SIZE (32*1024) |
d9bea2dd | 49 | #define MAX_MAP_SIZE (4*1024*1024) |
c627d613 | 50 | |
58d433ab AT |
51 | #define BLOCKING_TIMEOUT 10 |
52 | ||
dc5ddbcc AT |
53 | #define FERROR stderr |
54 | #define FINFO (am_server?stderr:stdout) | |
7bec6a5c | 55 | |
c627d613 AT |
56 | #include "config.h" |
57 | ||
24d95c03 AT |
58 | #if HAVE_REMSH |
59 | #define RSYNC_RSH "remsh" | |
60 | #else | |
61 | #define RSYNC_RSH "rsh" | |
62 | #endif | |
63 | ||
c627d613 AT |
64 | #include <sys/types.h> |
65 | #ifdef HAVE_UNISTD_H | |
66 | #include <unistd.h> | |
67 | #endif | |
68 | #include <stdio.h> | |
69 | ||
70 | #ifdef HAVE_SYS_PARAM_H | |
71 | #include <sys/param.h> | |
72 | #endif | |
73 | ||
d7b305fd AT |
74 | #ifdef HAVE_STDLIB_H |
75 | #include <stdlib.h> | |
76 | #endif | |
77 | ||
fdd71e17 AT |
78 | #ifdef HAVE_SYS_SOCKET_H |
79 | #include <sys/socket.h> | |
80 | #endif | |
81 | ||
d7b305fd AT |
82 | #ifdef HAVE_STRING_H |
83 | #include <string.h> | |
c627d613 AT |
84 | #endif |
85 | ||
86 | #ifdef HAVE_COMPAT_H | |
87 | #include <compat.h> | |
88 | #endif | |
89 | ||
90 | #ifdef HAVE_MALLOC_H | |
91 | #include <malloc.h> | |
92 | #endif | |
93 | ||
94 | #ifdef TIME_WITH_SYS_TIME | |
95 | #include <sys/time.h> | |
96 | #include <time.h> | |
97 | #else | |
98 | #ifdef HAVE_SYS_TIME_H | |
99 | #include <sys/time.h> | |
100 | #else | |
101 | #include <time.h> | |
102 | #endif | |
103 | #endif | |
104 | ||
105 | #ifdef HAVE_FCNTL_H | |
106 | #include <fcntl.h> | |
107 | #else | |
108 | #ifdef HAVE_SYS_FCNTL_H | |
109 | #include <sys/fcntl.h> | |
110 | #endif | |
111 | #endif | |
112 | ||
113 | #include <sys/stat.h> | |
114 | ||
94481d91 AT |
115 | #ifdef HAVE_SYS_IOCTL_H |
116 | #include <sys/ioctl.h> | |
117 | #endif | |
118 | ||
119 | #ifdef HAVE_SYS_FILIO_H | |
120 | #include <sys/filio.h> | |
121 | #endif | |
122 | ||
c627d613 AT |
123 | #include <signal.h> |
124 | #ifdef HAVE_SYS_WAIT_H | |
125 | #include <sys/wait.h> | |
126 | #endif | |
127 | #ifdef HAVE_CTYPE_H | |
128 | #include <ctype.h> | |
129 | #endif | |
130 | #ifdef HAVE_GRP_H | |
131 | #include <grp.h> | |
132 | #endif | |
133 | #include <errno.h> | |
134 | ||
7bec6a5c | 135 | #ifdef HAVE_MMAP |
c627d613 | 136 | #include <sys/mman.h> |
7bec6a5c AT |
137 | #endif |
138 | ||
c627d613 AT |
139 | #ifdef HAVE_UTIME_H |
140 | #include <utime.h> | |
141 | #endif | |
142 | ||
8bf73749 AT |
143 | #ifdef HAVE_SYS_SELECT_H |
144 | #include <sys/select.h> | |
145 | #endif | |
146 | ||
773f2bd4 AT |
147 | #ifdef HAVE_SYS_MODE_H |
148 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 149 | #ifndef S_ISLNK |
773f2bd4 AT |
150 | #include <sys/mode.h> |
151 | #endif | |
05a6556d | 152 | #endif |
773f2bd4 | 153 | |
c627d613 AT |
154 | #ifdef HAVE_FNMATCH |
155 | #include <fnmatch.h> | |
156 | #else | |
157 | #include "lib/fnmatch.h" | |
158 | #endif | |
159 | ||
160 | #ifdef HAVE_GETOPT_LONG | |
161 | #include <getopt.h> | |
162 | #else | |
163 | #include "lib/getopt.h" | |
164 | #endif | |
165 | ||
f6c34742 AT |
166 | /* these are needed for the uid/gid mapping code */ |
167 | #include <pwd.h> | |
168 | #include <grp.h> | |
169 | ||
cbbe4892 AT |
170 | #ifndef S_IFLNK |
171 | #define S_IFLNK 0120000 | |
172 | #endif | |
c627d613 AT |
173 | |
174 | #ifndef S_ISLNK | |
175 | #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) | |
176 | #endif | |
177 | ||
178 | #ifndef uchar | |
179 | #define uchar unsigned char | |
180 | #endif | |
181 | ||
debb4505 AT |
182 | #if HAVE_UNSIGNED_CHAR |
183 | #define schar signed char | |
184 | #else | |
185 | #define schar char | |
186 | #endif | |
187 | ||
c627d613 AT |
188 | #ifndef int32 |
189 | #if (SIZEOF_INT == 4) | |
190 | #define int32 int | |
191 | #elif (SIZEOF_LONG == 4) | |
192 | #define int32 long | |
193 | #elif (SIZEOF_SHORT == 4) | |
194 | #define int32 short | |
195 | #endif | |
196 | #endif | |
197 | ||
198 | #ifndef uint32 | |
199 | #define uint32 unsigned int32 | |
200 | #endif | |
201 | ||
bcacc18b AT |
202 | #if HAVE_OFF64_T |
203 | #define OFF_T off64_t | |
204 | #define STRUCT_STAT struct stat64 | |
205 | #else | |
206 | #define OFF_T off_t | |
207 | #define STRUCT_STAT struct stat | |
208 | #endif | |
209 | ||
210 | #if HAVE_OFF64_T | |
211 | #define int64 off64_t | |
212 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
213 | #define int64 long |
214 | #elif (SIZEOF_INT == 8) | |
215 | #define int64 int | |
216 | #elif HAVE_LONGLONG | |
71c46176 AT |
217 | #define int64 long long |
218 | #else | |
219 | #define int64 off_t | |
3bee6733 | 220 | #define NO_INT64 |
71c46176 | 221 | #endif |
c627d613 AT |
222 | |
223 | #ifndef MIN | |
224 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
225 | #endif | |
226 | ||
227 | #ifndef MAX | |
228 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
229 | #endif | |
230 | ||
231 | /* the length of the md4 checksum */ | |
ebb0a6f6 | 232 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
233 | #define SUM_LENGTH 16 |
234 | ||
235 | #ifndef MAXPATHLEN | |
236 | #define MAXPATHLEN 1024 | |
237 | #endif | |
238 | ||
239 | struct file_struct { | |
3333ffbd | 240 | unsigned flags; |
3ec4dd97 | 241 | time_t modtime; |
bcacc18b | 242 | OFF_T length; |
3ec4dd97 AT |
243 | mode_t mode; |
244 | ino_t inode; | |
245 | dev_t dev; | |
246 | dev_t rdev; | |
247 | uid_t uid; | |
248 | gid_t gid; | |
249 | char *basename; | |
250 | char *dirname; | |
251 | char *basedir; | |
252 | char *link; | |
2d0bb8eb | 253 | char *sum; |
c627d613 AT |
254 | }; |
255 | ||
256 | struct file_list { | |
257 | int count; | |
258 | int malloced; | |
3ec4dd97 | 259 | struct file_struct **files; |
c627d613 AT |
260 | }; |
261 | ||
262 | struct sum_buf { | |
bcacc18b | 263 | OFF_T offset; /* offset in file of this chunk */ |
c627d613 AT |
264 | int len; /* length of chunk of file */ |
265 | int i; /* index of this chunk */ | |
266 | uint32 sum1; /* simple checksum */ | |
ebb0a6f6 | 267 | char sum2[SUM_LENGTH]; /* checksum */ |
c627d613 AT |
268 | }; |
269 | ||
270 | struct sum_struct { | |
bcacc18b | 271 | OFF_T flength; /* total file length */ |
c627d613 AT |
272 | int count; /* how many chunks */ |
273 | int remainder; /* flength % block_length */ | |
274 | int n; /* block_length */ | |
275 | struct sum_buf *sums; /* points to info for each chunk */ | |
276 | }; | |
277 | ||
c6e7fcb4 | 278 | struct map_struct { |
0b910560 AT |
279 | char *map,*p; |
280 | int fd,p_size,p_len; | |
bcacc18b | 281 | OFF_T size, p_offset; |
c6e7fcb4 | 282 | }; |
c627d613 | 283 | |
3b3a2fbc AT |
284 | /* we need this function because of the silly way in which duplicate |
285 | entries are handled in the file lists - we can't change this | |
286 | without breaking existing versions */ | |
71c46176 | 287 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 288 | { |
3ec4dd97 | 289 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
290 | return i; |
291 | } | |
292 | ||
293 | ||
c627d613 AT |
294 | #include "byteorder.h" |
295 | #include "version.h" | |
296 | #include "proto.h" | |
297 | #include "md4.h" | |
298 | ||
299 | #if !HAVE_STRERROR | |
300 | extern char *sys_errlist[]; | |
301 | #define strerror(i) sys_errlist[i] | |
302 | #endif | |
303 | ||
304 | #ifndef HAVE_STRCHR | |
305 | # define strchr index | |
306 | # define strrchr rindex | |
307 | #endif | |
308 | ||
309 | #if HAVE_DIRENT_H | |
310 | # include <dirent.h> | |
311 | #else | |
312 | # define dirent direct | |
313 | # if HAVE_SYS_NDIR_H | |
314 | # include <sys/ndir.h> | |
315 | # endif | |
316 | # if HAVE_SYS_DIR_H | |
317 | # include <sys/dir.h> | |
318 | # endif | |
319 | # if HAVE_NDIR_H | |
320 | # include <ndir.h> | |
321 | # endif | |
322 | #endif | |
323 | ||
324 | #ifndef HAVE_ERRNO_DECL | |
325 | extern int errno; | |
326 | #endif | |
327 | ||
328 | #ifndef HAVE_BCOPY | |
329 | #define bcopy(src,dest,n) memcpy(dest,src,n) | |
330 | #endif | |
331 | ||
332 | #ifndef HAVE_BZERO | |
333 | #define bzero(buf,n) memset(buf,0,n) | |
334 | #endif | |
335 | ||
cbbe4892 | 336 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 337 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 338 | |
8bf73749 AT |
339 | #ifndef HAVE_LCHOWN |
340 | #define lchown chown | |
341 | #endif | |
342 | ||
ac1eb754 | 343 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
344 | |
345 | #ifndef EWOULDBLOCK | |
346 | #define EWOULDBLOCK EAGAIN | |
347 | #endif | |
182dca5c | 348 | |
7b8356d0 AT |
349 | #ifndef STDIN_FILENO |
350 | #define STDIN_FILENO 0 | |
351 | #endif | |
352 | ||
353 | #ifndef STDOUT_FILENO | |
354 | #define STDOUT_FILENO 1 | |
355 | #endif | |
356 | ||
357 | #ifndef STDERR_FILENO | |
358 | #define STDERR_FILENO 2 | |
359 | #endif | |
360 | ||
361 | #ifndef S_IWUSR | |
362 | #define S_IWUSR 0200 | |
363 | #endif | |
364 | ||
1e9f155a AT |
365 | #ifndef S_ISBLK |
366 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
367 | #endif | |
368 | ||
369 | #ifndef S_ISCHR | |
370 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
371 | #endif | |
372 | ||
a0b65b18 AT |
373 | #ifndef S_ISSOCK |
374 | #ifdef _S_IFSOCK | |
375 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
376 | #else | |
377 | #define S_ISSOCK(mode) (0) | |
378 | #endif | |
379 | #endif | |
380 | ||
381 | #ifndef S_ISFIFO | |
382 | #ifdef _S_IFIFO | |
383 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
384 | #else | |
385 | #define S_ISFIFO(mode) (0) | |
386 | #endif | |
387 | #endif | |
388 | ||
1e9f155a AT |
389 | #ifndef S_ISDIR |
390 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
391 | #endif | |
392 | ||
393 | #ifndef S_ISREG | |
394 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
395 | #endif | |
396 | ||
a0b65b18 AT |
397 | |
398 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 399 |