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 | |
9486289c AT |
46 | #define RSYNC_PORT 873 |
47 | ||
d867229b | 48 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 49 | #define WRITE_SIZE (32*1024) |
34ccb63e | 50 | #define CHUNK_SIZE (32*1024) |
d9bea2dd | 51 | #define MAX_MAP_SIZE (4*1024*1024) |
c627d613 | 52 | |
58d433ab AT |
53 | #define BLOCKING_TIMEOUT 10 |
54 | ||
9486289c AT |
55 | #define FERROR 1 |
56 | #define FINFO 2 | |
7bec6a5c | 57 | |
c627d613 AT |
58 | #include "config.h" |
59 | ||
24d95c03 AT |
60 | #if HAVE_REMSH |
61 | #define RSYNC_RSH "remsh" | |
62 | #else | |
63 | #define RSYNC_RSH "rsh" | |
64 | #endif | |
65 | ||
c627d613 AT |
66 | #include <sys/types.h> |
67 | #ifdef HAVE_UNISTD_H | |
68 | #include <unistd.h> | |
69 | #endif | |
70 | #include <stdio.h> | |
71 | ||
72 | #ifdef HAVE_SYS_PARAM_H | |
73 | #include <sys/param.h> | |
74 | #endif | |
75 | ||
d7b305fd AT |
76 | #ifdef HAVE_STDLIB_H |
77 | #include <stdlib.h> | |
78 | #endif | |
79 | ||
fdd71e17 AT |
80 | #ifdef HAVE_SYS_SOCKET_H |
81 | #include <sys/socket.h> | |
82 | #endif | |
83 | ||
d7b305fd AT |
84 | #ifdef HAVE_STRING_H |
85 | #include <string.h> | |
c627d613 AT |
86 | #endif |
87 | ||
88 | #ifdef HAVE_COMPAT_H | |
89 | #include <compat.h> | |
90 | #endif | |
91 | ||
92 | #ifdef HAVE_MALLOC_H | |
93 | #include <malloc.h> | |
94 | #endif | |
95 | ||
96 | #ifdef TIME_WITH_SYS_TIME | |
97 | #include <sys/time.h> | |
98 | #include <time.h> | |
99 | #else | |
100 | #ifdef HAVE_SYS_TIME_H | |
101 | #include <sys/time.h> | |
102 | #else | |
103 | #include <time.h> | |
104 | #endif | |
105 | #endif | |
106 | ||
107 | #ifdef HAVE_FCNTL_H | |
108 | #include <fcntl.h> | |
109 | #else | |
110 | #ifdef HAVE_SYS_FCNTL_H | |
111 | #include <sys/fcntl.h> | |
112 | #endif | |
113 | #endif | |
114 | ||
115 | #include <sys/stat.h> | |
116 | ||
94481d91 AT |
117 | #ifdef HAVE_SYS_IOCTL_H |
118 | #include <sys/ioctl.h> | |
119 | #endif | |
120 | ||
121 | #ifdef HAVE_SYS_FILIO_H | |
122 | #include <sys/filio.h> | |
123 | #endif | |
124 | ||
c627d613 AT |
125 | #include <signal.h> |
126 | #ifdef HAVE_SYS_WAIT_H | |
127 | #include <sys/wait.h> | |
128 | #endif | |
129 | #ifdef HAVE_CTYPE_H | |
130 | #include <ctype.h> | |
131 | #endif | |
132 | #ifdef HAVE_GRP_H | |
133 | #include <grp.h> | |
134 | #endif | |
135 | #include <errno.h> | |
136 | ||
7bec6a5c | 137 | #ifdef HAVE_MMAP |
c627d613 | 138 | #include <sys/mman.h> |
7bec6a5c AT |
139 | #endif |
140 | ||
c627d613 AT |
141 | #ifdef HAVE_UTIME_H |
142 | #include <utime.h> | |
143 | #endif | |
144 | ||
8bf73749 AT |
145 | #ifdef HAVE_SYS_SELECT_H |
146 | #include <sys/select.h> | |
147 | #endif | |
148 | ||
773f2bd4 AT |
149 | #ifdef HAVE_SYS_MODE_H |
150 | /* apparently AIX needs this for S_ISLNK */ | |
05a6556d | 151 | #ifndef S_ISLNK |
773f2bd4 AT |
152 | #include <sys/mode.h> |
153 | #endif | |
05a6556d | 154 | #endif |
773f2bd4 | 155 | |
c627d613 AT |
156 | #ifdef HAVE_FNMATCH |
157 | #include <fnmatch.h> | |
158 | #else | |
159 | #include "lib/fnmatch.h" | |
160 | #endif | |
161 | ||
162 | #ifdef HAVE_GETOPT_LONG | |
163 | #include <getopt.h> | |
164 | #else | |
165 | #include "lib/getopt.h" | |
166 | #endif | |
167 | ||
f6c34742 AT |
168 | /* these are needed for the uid/gid mapping code */ |
169 | #include <pwd.h> | |
170 | #include <grp.h> | |
171 | ||
9486289c AT |
172 | #include <stdarg.h> |
173 | ||
cbbe4892 AT |
174 | #ifndef S_IFLNK |
175 | #define S_IFLNK 0120000 | |
176 | #endif | |
c627d613 AT |
177 | |
178 | #ifndef S_ISLNK | |
179 | #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) | |
180 | #endif | |
181 | ||
182 | #ifndef uchar | |
183 | #define uchar unsigned char | |
184 | #endif | |
185 | ||
debb4505 AT |
186 | #if HAVE_UNSIGNED_CHAR |
187 | #define schar signed char | |
188 | #else | |
189 | #define schar char | |
190 | #endif | |
191 | ||
c627d613 AT |
192 | #ifndef int32 |
193 | #if (SIZEOF_INT == 4) | |
194 | #define int32 int | |
195 | #elif (SIZEOF_LONG == 4) | |
196 | #define int32 long | |
197 | #elif (SIZEOF_SHORT == 4) | |
198 | #define int32 short | |
199 | #endif | |
200 | #endif | |
201 | ||
202 | #ifndef uint32 | |
203 | #define uint32 unsigned int32 | |
204 | #endif | |
205 | ||
bcacc18b AT |
206 | #if HAVE_OFF64_T |
207 | #define OFF_T off64_t | |
208 | #define STRUCT_STAT struct stat64 | |
209 | #else | |
210 | #define OFF_T off_t | |
211 | #define STRUCT_STAT struct stat | |
212 | #endif | |
213 | ||
214 | #if HAVE_OFF64_T | |
215 | #define int64 off64_t | |
216 | #elif (SIZEOF_LONG == 8) | |
3bee6733 AT |
217 | #define int64 long |
218 | #elif (SIZEOF_INT == 8) | |
219 | #define int64 int | |
220 | #elif HAVE_LONGLONG | |
71c46176 AT |
221 | #define int64 long long |
222 | #else | |
223 | #define int64 off_t | |
3bee6733 | 224 | #define NO_INT64 |
71c46176 | 225 | #endif |
c627d613 AT |
226 | |
227 | #ifndef MIN | |
228 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
229 | #endif | |
230 | ||
231 | #ifndef MAX | |
232 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
233 | #endif | |
234 | ||
235 | /* the length of the md4 checksum */ | |
ebb0a6f6 | 236 | #define MD4_SUM_LENGTH 16 |
c627d613 AT |
237 | #define SUM_LENGTH 16 |
238 | ||
239 | #ifndef MAXPATHLEN | |
240 | #define MAXPATHLEN 1024 | |
241 | #endif | |
242 | ||
243 | struct file_struct { | |
3333ffbd | 244 | unsigned flags; |
3ec4dd97 | 245 | time_t modtime; |
bcacc18b | 246 | OFF_T length; |
3ec4dd97 AT |
247 | mode_t mode; |
248 | ino_t inode; | |
249 | dev_t dev; | |
250 | dev_t rdev; | |
251 | uid_t uid; | |
252 | gid_t gid; | |
253 | char *basename; | |
254 | char *dirname; | |
255 | char *basedir; | |
256 | char *link; | |
2d0bb8eb | 257 | char *sum; |
c627d613 AT |
258 | }; |
259 | ||
260 | struct file_list { | |
261 | int count; | |
262 | int malloced; | |
3ec4dd97 | 263 | struct file_struct **files; |
c627d613 AT |
264 | }; |
265 | ||
266 | struct sum_buf { | |
bcacc18b | 267 | OFF_T offset; /* offset in file of this chunk */ |
c627d613 AT |
268 | int len; /* length of chunk of file */ |
269 | int i; /* index of this chunk */ | |
270 | uint32 sum1; /* simple checksum */ | |
ebb0a6f6 | 271 | char sum2[SUM_LENGTH]; /* checksum */ |
c627d613 AT |
272 | }; |
273 | ||
274 | struct sum_struct { | |
bcacc18b | 275 | OFF_T flength; /* total file length */ |
c627d613 AT |
276 | int count; /* how many chunks */ |
277 | int remainder; /* flength % block_length */ | |
278 | int n; /* block_length */ | |
279 | struct sum_buf *sums; /* points to info for each chunk */ | |
280 | }; | |
281 | ||
c6e7fcb4 | 282 | struct map_struct { |
0b910560 AT |
283 | char *map,*p; |
284 | int fd,p_size,p_len; | |
bcacc18b | 285 | OFF_T size, p_offset; |
c6e7fcb4 | 286 | }; |
c627d613 | 287 | |
3b3a2fbc AT |
288 | /* we need this function because of the silly way in which duplicate |
289 | entries are handled in the file lists - we can't change this | |
290 | without breaking existing versions */ | |
71c46176 | 291 | static inline int flist_up(struct file_list *flist, int i) |
3b3a2fbc | 292 | { |
3ec4dd97 | 293 | while (!flist->files[i]->basename) i++; |
3b3a2fbc AT |
294 | return i; |
295 | } | |
296 | ||
d6e6ecbd AT |
297 | #if HAVE_DIRENT_H |
298 | # include <dirent.h> | |
299 | #else | |
300 | # define dirent direct | |
301 | # if HAVE_SYS_NDIR_H | |
302 | # include <sys/ndir.h> | |
303 | # endif | |
304 | # if HAVE_SYS_DIR_H | |
305 | # include <sys/dir.h> | |
306 | # endif | |
307 | # if HAVE_NDIR_H | |
308 | # include <ndir.h> | |
309 | # endif | |
310 | #endif | |
3b3a2fbc | 311 | |
c627d613 AT |
312 | #include "byteorder.h" |
313 | #include "version.h" | |
314 | #include "proto.h" | |
315 | #include "md4.h" | |
316 | ||
317 | #if !HAVE_STRERROR | |
318 | extern char *sys_errlist[]; | |
319 | #define strerror(i) sys_errlist[i] | |
320 | #endif | |
321 | ||
322 | #ifndef HAVE_STRCHR | |
323 | # define strchr index | |
324 | # define strrchr rindex | |
325 | #endif | |
326 | ||
c627d613 AT |
327 | #ifndef HAVE_ERRNO_DECL |
328 | extern int errno; | |
329 | #endif | |
330 | ||
331 | #ifndef HAVE_BCOPY | |
332 | #define bcopy(src,dest,n) memcpy(dest,src,n) | |
333 | #endif | |
334 | ||
335 | #ifndef HAVE_BZERO | |
336 | #define bzero(buf,n) memset(buf,0,n) | |
337 | #endif | |
338 | ||
cbbe4892 | 339 | #define SUPPORT_LINKS HAVE_READLINK |
dc5ddbcc | 340 | #define SUPPORT_HARD_LINKS HAVE_LINK |
c627d613 | 341 | |
8bf73749 AT |
342 | #ifndef HAVE_LCHOWN |
343 | #define lchown chown | |
344 | #endif | |
345 | ||
ac1eb754 | 346 | #define SIGNAL_CAST (RETSIGTYPE (*)()) |
720b47f2 AT |
347 | |
348 | #ifndef EWOULDBLOCK | |
349 | #define EWOULDBLOCK EAGAIN | |
350 | #endif | |
182dca5c | 351 | |
7b8356d0 AT |
352 | #ifndef STDIN_FILENO |
353 | #define STDIN_FILENO 0 | |
354 | #endif | |
355 | ||
356 | #ifndef STDOUT_FILENO | |
357 | #define STDOUT_FILENO 1 | |
358 | #endif | |
359 | ||
360 | #ifndef STDERR_FILENO | |
361 | #define STDERR_FILENO 2 | |
362 | #endif | |
363 | ||
364 | #ifndef S_IWUSR | |
365 | #define S_IWUSR 0200 | |
366 | #endif | |
367 | ||
1e9f155a AT |
368 | #ifndef S_ISBLK |
369 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
370 | #endif | |
371 | ||
372 | #ifndef S_ISCHR | |
373 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
374 | #endif | |
375 | ||
a0b65b18 AT |
376 | #ifndef S_ISSOCK |
377 | #ifdef _S_IFSOCK | |
378 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
379 | #else | |
380 | #define S_ISSOCK(mode) (0) | |
381 | #endif | |
382 | #endif | |
383 | ||
384 | #ifndef S_ISFIFO | |
385 | #ifdef _S_IFIFO | |
386 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
387 | #else | |
388 | #define S_ISFIFO(mode) (0) | |
389 | #endif | |
390 | #endif | |
391 | ||
1e9f155a AT |
392 | #ifndef S_ISDIR |
393 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
394 | #endif | |
395 | ||
396 | #ifndef S_ISREG | |
397 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
398 | #endif | |
399 | ||
a0b65b18 AT |
400 | |
401 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) | |
7bec6a5c | 402 |