Commit | Line | Data |
---|---|---|
d622d4bf | 1 | /* |
0f78b815 WD |
2 | * Copyright (C) 1996, 2000 Andrew Tridgell |
3 | * Copyright (C) 1996 Paul Mackerras | |
4 | * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org> | |
ba2133d6 | 5 | * Copyright (C) 2003-2007 Wayne Davison |
0f78b815 WD |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
ba2133d6 WD |
8 | * it under the terms of the GNU General Public License version 2 as |
9 | * published by the Free Software Foundation. | |
0f78b815 WD |
10 | * |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
e7c67065 WD |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
0f78b815 | 19 | */ |
0de40240 | 20 | |
d41c7d02 DD |
21 | #define False 0 |
22 | #define True 1 | |
23 | ||
c627d613 AT |
24 | #define BLOCK_SIZE 700 |
25 | #define RSYNC_RSH_ENV "RSYNC_RSH" | |
8dd99390 | 26 | #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO" |
7b8356d0 | 27 | |
c627d613 | 28 | #define RSYNC_NAME "rsync" |
cd3fe9fb | 29 | /* RSYNCD_SYSCONF is now set in config.h */ |
30e8c8e1 | 30 | #define RSYNCD_USERCONF "rsyncd.conf" |
f0fca04e | 31 | |
5e71c444 | 32 | #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock" |
f7632fc6 AT |
33 | #define URL_PREFIX "rsync://" |
34 | ||
c627d613 AT |
35 | #define BACKUP_SUFFIX "~" |
36 | ||
1b01b295 | 37 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
6543dc0c | 38 | incompatible with older versions :-( */ |
1b01b295 AT |
39 | #define CHAR_OFFSET 0 |
40 | ||
a5f9cff2 WD |
41 | /* These flags are only used during the flist transfer. */ |
42 | ||
ec33e0e6 | 43 | #define XMIT_TOP_DIR (1<<0) |
a5f9cff2 | 44 | #define XMIT_SAME_MODE (1<<1) |
18438f0b WD |
45 | #define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */ |
46 | #define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - NOW */ | |
a5f9cff2 WD |
47 | #define XMIT_SAME_UID (1<<3) |
48 | #define XMIT_SAME_GID (1<<4) | |
49 | #define XMIT_SAME_NAME (1<<5) | |
50 | #define XMIT_LONG_NAME (1<<6) | |
51 | #define XMIT_SAME_TIME (1<<7) | |
18438f0b WD |
52 | #define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - NOW */ |
53 | #define XMIT_HLINKED (1<<9) /* protocols 28 - NOW */ | |
54 | #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */ | |
55 | #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - NOW */ | |
56 | #define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */ | |
57 | #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - NOW */ | |
58 | #define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - NOW */ | |
a5f9cff2 WD |
59 | |
60 | /* These flags are used in the live flist data. */ | |
61 | ||
82ad07c4 | 62 | #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ |
9ec3828b WD |
63 | #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */ |
64 | #define FLAG_DIR_CHANGED (1<<1) /* generator */ | |
82ad07c4 WD |
65 | #define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */ |
66 | #define FLAG_MOUNT_DIR (1<<3) /* sender/generator */ | |
96293cf9 WD |
67 | #define FLAG_MISSING_DIR (1<<4) /* generator */ |
68 | #define FLAG_HLINKED (1<<5) /* receiver/generator */ | |
82ad07c4 WD |
69 | #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */ |
70 | #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ | |
bfd31372 WD |
71 | #define FLAG_HLINK_DONE (1<<8) /* receiver/generator */ |
72 | #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */ | |
73 | ||
9ec3828b WD |
74 | /* These flags are passed to functions but not stored. */ |
75 | ||
76 | #define FLAG_DIVERT_DIRS (1<<16)/* sender */ | |
77 | ||
bfd31372 WD |
78 | #define BITS_SET(val,bits) (((val) & (bits)) == (bits)) |
79 | #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits)) | |
0a62f5f3 WD |
80 | #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \ |
81 | == ((unsigned)(b2) & (unsigned)(mask))) | |
520cf417 | 82 | |
c627d613 | 83 | /* update this if you make incompatible changes */ |
21068d8e | 84 | #define PROTOCOL_VERSION 30 |
063393d6 | 85 | |
4471d9e5 WD |
86 | /* This is used when working on a new protocol version in CVS, and should |
87 | * be a new non-zero value for each CVS change that affects the protocol. | |
88 | * It must ALWAYS be 0 when the protocol goes final! */ | |
2ed790f3 | 89 | #define SUBPROTOCOL_VERSION 2 |
4471d9e5 | 90 | |
063393d6 MP |
91 | /* We refuse to interoperate with versions that are not in this range. |
92 | * Note that we assume we'll work with later versions: the onus is on | |
93 | * people writing them to make sure that they don't send us anything | |
94 | * we won't understand. | |
95 | * | |
1b2db7ae S |
96 | * Interoperation with old but supported protocol versions |
97 | * should cause a warning to be printed. At a future date | |
98 | * the old protocol will become the minimum and | |
99 | * compatibility code removed. | |
100 | * | |
91c4da3f S |
101 | * There are two possible explanations for the limit at |
102 | * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that | |
103 | * do not interoperate with us, and (more likely) so that we can | |
104 | * detect an attempt to connect rsync to a non-rsync server, which is | |
105 | * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and | |
106 | * MAX_PROTOCOL_VERSION. */ | |
107 | ||
3e491682 S |
108 | #define MIN_PROTOCOL_VERSION 20 |
109 | #define OLD_PROTOCOL_VERSION 25 | |
1b2db7ae | 110 | #define MAX_PROTOCOL_VERSION 40 |
c627d613 | 111 | |
3831f063 WD |
112 | #define FILECNT_LOOKAHEAD 1000 |
113 | ||
9486289c AT |
114 | #define RSYNC_PORT 873 |
115 | ||
d867229b | 116 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 117 | #define WRITE_SIZE (32*1024) |
34ccb63e | 118 | #define CHUNK_SIZE (32*1024) |
61542c41 | 119 | #define MAX_MAP_SIZE (256*1024) |
e3fe383a | 120 | #define IO_BUFFER_SIZE (4092) |
2b2ea368 | 121 | #define MAX_BLOCK_SIZE ((int32)1 << 29) |
c627d613 | 122 | |
e2d22fee WD |
123 | #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */ |
124 | #define IOERR_VANISHED (1<<1) | |
ff3d3c32 | 125 | #define IOERR_DEL_LIMIT (1<<2) |
e2d22fee | 126 | |
874895d5 | 127 | #define MAX_ARGS 1000 |
e4977b0b | 128 | #define MAX_BASIS_DIRS 20 |
c296031d | 129 | #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100) |
e4977b0b | 130 | |
8d9dc9f9 | 131 | #define MPLEX_BASE 7 |
ff41a59f | 132 | |
7842418b WD |
133 | #define NO_FILTERS 0 |
134 | #define SERVER_FILTERS 1 | |
135 | #define ALL_FILTERS 2 | |
4762db4f | 136 | |
753b6b46 | 137 | #define XFLG_FATAL_ERRORS (1<<0) |
3b2461cf WD |
138 | #define XFLG_OLD_PREFIXES (1<<1) |
139 | #define XFLG_ANCHORED2ABS (1<<2) | |
699f7024 | 140 | #define XFLG_ABS_IF_SLASH (1<<3) |
4762db4f | 141 | |
8eda7a4b WD |
142 | #define ATTRS_REPORT (1<<0) |
143 | #define ATTRS_SKIP_MTIME (1<<1) | |
5c6fc4a6 | 144 | |
419896af WD |
145 | #define FULL_FLUSH 1 |
146 | #define NORMAL_FLUSH 0 | |
147 | ||
a7260c40 WD |
148 | #define PDIR_CREATE 1 |
149 | #define PDIR_DELETE 0 | |
150 | ||
e341588a WD |
151 | /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */ |
152 | #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */ | |
153 | #define FNAMECMP_BASIS_DIR_HIGH 0x7F | |
41cfde6b WD |
154 | #define FNAMECMP_FNAME 0x80 |
155 | #define FNAMECMP_PARTIAL_DIR 0x81 | |
156 | #define FNAMECMP_BACKUP 0x82 | |
0dd046d3 | 157 | #define FNAMECMP_FUZZY 0x83 |
41cfde6b | 158 | |
0cc279e0 | 159 | /* For use by the itemize_changes code */ |
b3222792 | 160 | #define ITEM_REPORT_ATIME (1<<0) |
0cc279e0 WD |
161 | #define ITEM_REPORT_CHECKSUM (1<<1) |
162 | #define ITEM_REPORT_SIZE (1<<2) | |
163 | #define ITEM_REPORT_TIME (1<<3) | |
164 | #define ITEM_REPORT_PERMS (1<<4) | |
165 | #define ITEM_REPORT_OWNER (1<<5) | |
166 | #define ITEM_REPORT_GROUP (1<<6) | |
b3222792 WD |
167 | #define ITEM_REPORT_ACL (1<<7) |
168 | #define ITEM_REPORT_XATTR (1<<8) | |
3019a9ba WD |
169 | #define ITEM_BASIS_TYPE_FOLLOWS (1<<11) |
170 | #define ITEM_XNAME_FOLLOWS (1<<12) | |
6d0e5d2e WD |
171 | #define ITEM_IS_NEW (1<<13) |
172 | #define ITEM_LOCAL_CHANGE (1<<14) | |
173 | #define ITEM_TRANSFER (1<<15) | |
d4d4890d | 174 | /* These are outside the range of the transmitted flags. */ |
d4d4890d WD |
175 | #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */ |
176 | #define ITEM_DELETED (1<<17) /* used by log_formatted() */ | |
1e4f5f63 | 177 | #define ITEM_MATCHED (1<<18) /* used by itemize() */ |
0cc279e0 | 178 | |
3019a9ba WD |
179 | #define SIGNIFICANT_ITEM_FLAGS (~(\ |
180 | ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE)) | |
669e7671 | 181 | |
df0054ab | 182 | |
56aaa4c4 WD |
183 | /* Log-message categories. Only FERROR and FINFO get sent over the socket, |
184 | * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe. | |
85909931 | 185 | * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */ |
011e85a5 | 186 | enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=5 }; |
419896af WD |
187 | |
188 | /* Messages types that are sent over the message channel. The logcode | |
189 | * values must all be present here with identical numbers. */ | |
190 | enum msgcode { | |
1dcf3b43 WD |
191 | MSG_DATA=0, /* raw data on the multiplexed stream */ |
192 | MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */ | |
8388e011 | 193 | MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */ |
1dcf3b43 | 194 | MSG_REDO=9, /* reprocess indicated flist index */ |
9ec3828b WD |
195 | MSG_FLIST=20, /* extra file list over sibling socket */ |
196 | MSG_FLIST_EOF=21,/* we've transmitted all the file lists */ | |
197 | MSG_IO_ERROR=22,/* the sending side had an I/O error */ | |
198 | MSG_NOOP=42, /* a do-nothing message */ | |
1dcf3b43 WD |
199 | MSG_SUCCESS=100,/* successfully updated indicated flist index */ |
200 | MSG_DELETED=101,/* successfully deleted a file on receiving side */ | |
9ec3828b | 201 | MSG_NO_SEND=102,/* sender failed to open a file we wanted */ |
1dcf3b43 | 202 | MSG_DONE=86 /* current phase is done */ |
419896af | 203 | }; |
7bec6a5c | 204 | |
82ad07c4 | 205 | #define NDX_DONE -1 |
9ec3828b WD |
206 | #define NDX_FLIST_EOF -2 |
207 | #define NDX_FLIST_OFFSET -101 | |
82ad07c4 | 208 | |
65417579 AT |
209 | #include "errcode.h" |
210 | ||
c627d613 AT |
211 | #include "config.h" |
212 | ||
e3217f14 | 213 | /* The default RSYNC_RSH is always set in config.h. */ |
24d95c03 | 214 | |
c627d613 | 215 | #include <stdio.h> |
4f5b0756 | 216 | #ifdef HAVE_SYS_TYPES_H |
e95538ca WD |
217 | # include <sys/types.h> |
218 | #endif | |
4f5b0756 | 219 | #ifdef HAVE_SYS_STAT_H |
e95538ca WD |
220 | # include <sys/stat.h> |
221 | #endif | |
4f5b0756 | 222 | #ifdef STDC_HEADERS |
e95538ca WD |
223 | # include <stdlib.h> |
224 | # include <stddef.h> | |
225 | #else | |
4f5b0756 | 226 | # ifdef HAVE_STDLIB_H |
e95538ca WD |
227 | # include <stdlib.h> |
228 | # endif | |
229 | #endif | |
4f5b0756 WD |
230 | #ifdef HAVE_STRING_H |
231 | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H | |
e95538ca WD |
232 | # include <memory.h> |
233 | # endif | |
234 | # include <string.h> | |
235 | #endif | |
4f5b0756 | 236 | #ifdef HAVE_STRINGS_H |
e95538ca WD |
237 | # include <strings.h> |
238 | #endif | |
2d2414f3 WD |
239 | #ifdef HAVE_INTTYPES_H |
240 | # include <inttypes.h> | |
241 | #endif | |
4f5b0756 | 242 | #ifdef HAVE_UNISTD_H |
e95538ca | 243 | # include <unistd.h> |
c627d613 AT |
244 | #endif |
245 | ||
4f5b0756 | 246 | #ifdef HAVE_SYS_PARAM_H |
e95538ca | 247 | #include <sys/param.h> |
38b02c13 | 248 | #endif |
59192f56 | 249 | |
4f5b0756 | 250 | #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H) |
59192f56 | 251 | #include <malloc.h> |
d7b305fd AT |
252 | #endif |
253 | ||
4f5b0756 | 254 | #ifdef HAVE_SYS_SOCKET_H |
fdd71e17 AT |
255 | #include <sys/socket.h> |
256 | #endif | |
257 | ||
4f5b0756 | 258 | #ifdef TIME_WITH_SYS_TIME |
c627d613 AT |
259 | #include <sys/time.h> |
260 | #include <time.h> | |
261 | #else | |
4f5b0756 | 262 | #ifdef HAVE_SYS_TIME_H |
c627d613 AT |
263 | #include <sys/time.h> |
264 | #else | |
265 | #include <time.h> | |
266 | #endif | |
267 | #endif | |
268 | ||
4f5b0756 | 269 | #ifdef HAVE_FCNTL_H |
c627d613 AT |
270 | #include <fcntl.h> |
271 | #else | |
4f5b0756 | 272 | #ifdef HAVE_SYS_FCNTL_H |
c627d613 AT |
273 | #include <sys/fcntl.h> |
274 | #endif | |
275 | #endif | |
276 | ||
4f5b0756 | 277 | #ifdef HAVE_SYS_IOCTL_H |
94481d91 AT |
278 | #include <sys/ioctl.h> |
279 | #endif | |
280 | ||
4f5b0756 | 281 | #ifdef HAVE_SYS_FILIO_H |
94481d91 AT |
282 | #include <sys/filio.h> |
283 | #endif | |
284 | ||
c627d613 | 285 | #include <signal.h> |
4f5b0756 | 286 | #ifdef HAVE_SYS_WAIT_H |
c627d613 AT |
287 | #include <sys/wait.h> |
288 | #endif | |
4f5b0756 | 289 | #ifdef HAVE_CTYPE_H |
c627d613 AT |
290 | #include <ctype.h> |
291 | #endif | |
4f5b0756 | 292 | #ifdef HAVE_GRP_H |
c627d613 AT |
293 | #include <grp.h> |
294 | #endif | |
295 | #include <errno.h> | |
296 | ||
4f5b0756 | 297 | #ifdef HAVE_UTIME_H |
c627d613 AT |
298 | #include <utime.h> |
299 | #endif | |
300 | ||
4f5b0756 | 301 | #ifdef HAVE_SYS_SELECT_H |
8bf73749 AT |
302 | #include <sys/select.h> |
303 | #endif | |
304 | ||
4f5b0756 | 305 | #ifdef HAVE_SYS_MODE_H |
773f2bd4 | 306 | /* apparently AIX needs this for S_ISLNK */ |
05a6556d | 307 | #ifndef S_ISLNK |
773f2bd4 AT |
308 | #include <sys/mode.h> |
309 | #endif | |
05a6556d | 310 | #endif |
773f2bd4 | 311 | |
4f5b0756 | 312 | #ifdef HAVE_GLOB_H |
874895d5 AT |
313 | #include <glob.h> |
314 | #endif | |
315 | ||
f6c34742 AT |
316 | /* these are needed for the uid/gid mapping code */ |
317 | #include <pwd.h> | |
318 | #include <grp.h> | |
319 | ||
9486289c | 320 | #include <stdarg.h> |
f0fca04e AT |
321 | #include <netinet/in.h> |
322 | #include <arpa/inet.h> | |
323 | #include <netdb.h> | |
ff8b29b8 | 324 | #include <syslog.h> |
6c8f5373 | 325 | #include <sys/file.h> |
9486289c | 326 | |
4f5b0756 | 327 | #ifdef HAVE_DIRENT_H |
e8f5b936 AT |
328 | # include <dirent.h> |
329 | #else | |
330 | # define dirent direct | |
4f5b0756 | 331 | # ifdef HAVE_SYS_NDIR_H |
e8f5b936 AT |
332 | # include <sys/ndir.h> |
333 | # endif | |
4f5b0756 | 334 | # ifdef HAVE_SYS_DIR_H |
e8f5b936 AT |
335 | # include <sys/dir.h> |
336 | # endif | |
4f5b0756 | 337 | # ifdef HAVE_NDIR_H |
e8f5b936 AT |
338 | # include <ndir.h> |
339 | # endif | |
340 | #endif | |
341 | ||
4f5b0756 | 342 | #ifdef MAJOR_IN_MKDEV |
c39d6514 | 343 | #include <sys/mkdev.h> |
8a33c406 | 344 | # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) |
73496a36 WD |
345 | # define makedev mkdev |
346 | # endif | |
4f5b0756 | 347 | #elif defined MAJOR_IN_SYSMACROS |
f8ed564c | 348 | #include <sys/sysmacros.h> |
c39d6514 WD |
349 | #endif |
350 | ||
5a3810b4 WD |
351 | #ifdef MAKEDEV_TAKES_3_ARGS |
352 | #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor) | |
353 | #else | |
354 | #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor) | |
355 | #endif | |
356 | ||
4f5b0756 | 357 | #ifdef HAVE_COMPAT_H |
e8f5b936 AT |
358 | #include <compat.h> |
359 | #endif | |
360 | ||
ea8291d8 WD |
361 | #ifdef HAVE_LIMITS_H |
362 | # include <limits.h> | |
363 | #endif | |
364 | ||
1bfbf40b MP |
365 | #include <assert.h> |
366 | ||
9935066b | 367 | #include "lib/pool_alloc.h" |
e8f5b936 | 368 | |
f0fca04e AT |
369 | #define BOOL int |
370 | ||
c627d613 AT |
371 | #ifndef uchar |
372 | #define uchar unsigned char | |
373 | #endif | |
374 | ||
4f5b0756 | 375 | #ifdef SIGNED_CHAR_OK |
debb4505 AT |
376 | #define schar signed char |
377 | #else | |
378 | #define schar char | |
379 | #endif | |
380 | ||
2d2414f3 WD |
381 | #ifndef int16 |
382 | #if SIZEOF_INT16_T == 2 | |
383 | # define int16 int16_t | |
384 | #else | |
385 | # define int16 short | |
386 | #endif | |
387 | #endif | |
388 | ||
389 | #ifndef uint16 | |
390 | #if SIZEOF_UINT16_T == 2 | |
391 | # define uint16 uint16_t | |
392 | #else | |
393 | # define uint16 unsigned int16 | |
394 | #endif | |
395 | #endif | |
396 | ||
43d0f38b WD |
397 | /* Find a variable that is either exactly 32-bits or longer. |
398 | * If some code depends on 32-bit truncation, it will need to | |
399 | * take special action in a "#if SIZEOF_INT32 > 4" section. */ | |
c627d613 | 400 | #ifndef int32 |
2d2414f3 WD |
401 | #if SIZEOF_INT32_T == 4 |
402 | # define int32 int32_t | |
403 | # define SIZEOF_INT32 4 | |
404 | #elif SIZEOF_INT == 4 | |
43d0f38b WD |
405 | # define int32 int |
406 | # define SIZEOF_INT32 4 | |
407 | #elif SIZEOF_LONG == 4 | |
408 | # define int32 long | |
409 | # define SIZEOF_INT32 4 | |
410 | #elif SIZEOF_SHORT == 4 | |
411 | # define int32 short | |
412 | # define SIZEOF_INT32 4 | |
413 | #elif SIZEOF_INT > 4 | |
414 | # define int32 int | |
415 | # define SIZEOF_INT32 SIZEOF_INT | |
416 | #elif SIZEOF_LONG > 4 | |
417 | # define int32 long | |
418 | # define SIZEOF_INT32 SIZEOF_LONG | |
8de330a3 | 419 | #else |
43d0f38b | 420 | # error Could not find a 32-bit integer variable |
c627d613 | 421 | #endif |
43d0f38b WD |
422 | #else |
423 | # define SIZEOF_INT32 4 | |
c627d613 AT |
424 | #endif |
425 | ||
426 | #ifndef uint32 | |
2d2414f3 WD |
427 | #if SIZEOF_UINT32_T == 4 |
428 | # define uint32 uint32_t | |
429 | #else | |
430 | # define uint32 unsigned int32 | |
431 | #endif | |
c627d613 AT |
432 | #endif |
433 | ||
0dd046d3 | 434 | #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64 |
bcacc18b AT |
435 | #define OFF_T off_t |
436 | #define STRUCT_STAT struct stat | |
5b5f7e3b WD |
437 | #else |
438 | #define OFF_T off64_t | |
439 | #define STRUCT_STAT struct stat64 | |
440 | #define USE_STAT64_FUNCS 1 | |
bcacc18b AT |
441 | #endif |
442 | ||
d4198823 WD |
443 | /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF |
444 | * that's the maximum size the file system can handle and there is no | |
445 | * 64-bit type available. The rsync source must therefore take steps | |
446 | * to ensure that any code that really requires a 64-bit integer has | |
447 | * it (e.g. the checksum code uses two 32-bit integers for its 64-bit | |
448 | * counter). */ | |
2d2414f3 WD |
449 | #if SIZEOF_INT64_T == 8 |
450 | # define int64 int64_t | |
451 | # define SIZEOF_INT64 8 | |
452 | #elif SIZEOF_LONG == 8 | |
d622d4bf WD |
453 | # define int64 long |
454 | # define SIZEOF_INT64 8 | |
455 | #elif SIZEOF_INT == 8 | |
456 | # define int64 int | |
457 | # define SIZEOF_INT64 8 | |
458 | #elif SIZEOF_LONG_LONG == 8 | |
459 | # define int64 long long | |
460 | # define SIZEOF_INT64 8 | |
2c177562 WD |
461 | #elif SIZEOF_OFF64_T == 8 |
462 | # define int64 off64_t | |
463 | # define SIZEOF_INT64 8 | |
d622d4bf WD |
464 | #elif SIZEOF_OFF_T == 8 |
465 | # define int64 off_t | |
466 | # define SIZEOF_INT64 8 | |
467 | #elif SIZEOF_INT > 8 | |
468 | # define int64 int | |
469 | # define SIZEOF_INT64 SIZEOF_INT | |
470 | #elif SIZEOF_LONG > 8 | |
471 | # define int64 long | |
472 | # define SIZEOF_INT64 SIZEOF_LONG | |
473 | #elif SIZEOF_LONG_LONG > 8 | |
474 | # define int64 long long | |
475 | # define SIZEOF_INT64 SIZEOF_LONG_LONG | |
71c46176 | 476 | #else |
736a6a29 | 477 | /* As long as it gets... */ |
d622d4bf WD |
478 | # define int64 off_t |
479 | # define SIZEOF_INT64 SIZEOF_OFF_T | |
71c46176 | 480 | #endif |
c627d613 | 481 | |
6abd193f MP |
482 | /* Starting from protocol version 26, we always use 64-bit |
483 | * ino_t and dev_t internally, even if this platform does not | |
484 | * allow files to have 64-bit inums. That's because the | |
485 | * receiver needs to find duplicate (dev,ino) tuples to detect | |
486 | * hardlinks, and it might have files coming from a platform | |
487 | * that has 64-bit inums. | |
488 | * | |
489 | * The only exception is if we're on a platform with no 64-bit type at | |
490 | * all. | |
491 | * | |
492 | * Because we use read_longint() to get these off the wire, if you | |
493 | * transfer devices or hardlinks with dev or inum > 2**32 to a machine | |
494 | * with no 64-bit types then you will get an overflow error. Probably | |
495 | * not many people have that combination of machines, and you can | |
496 | * avoid it by not preserving hardlinks or not transferring device | |
497 | * nodes. It's not clear that any other behaviour is better. | |
498 | * | |
499 | * Note that if you transfer devices from a 64-bit-devt machine (say, | |
500 | * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the | |
501 | * device numbers will be truncated. But it's a kind of silly thing | |
502 | * to do anyhow. | |
b9df3bf2 | 503 | * |
33a2361c WD |
504 | * FIXME: I don't think the code in flist.c has ever worked on a system |
505 | * where dev_t is a struct. | |
d622d4bf | 506 | */ |
33a2361c | 507 | |
14d776ff WD |
508 | struct idev_node { |
509 | int64 key; | |
510 | void *data; | |
511 | }; | |
512 | ||
c627d613 AT |
513 | #ifndef MIN |
514 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
515 | #endif | |
516 | ||
517 | #ifndef MAX | |
518 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
519 | #endif | |
520 | ||
d41c7d02 DD |
521 | #ifndef MAXHOSTNAMELEN |
522 | #define MAXHOSTNAMELEN 256 | |
523 | #endif | |
524 | ||
c627d613 | 525 | #define SUM_LENGTH 16 |
195bd906 S |
526 | #define SHORT_SUM_LENGTH 2 |
527 | #define BLOCKSUM_BIAS 10 | |
c627d613 AT |
528 | |
529 | #ifndef MAXPATHLEN | |
530 | #define MAXPATHLEN 1024 | |
531 | #endif | |
532 | ||
a22ca885 WD |
533 | /* We want a roomy line buffer that can hold more than MAXPATHLEN, |
534 | * and significantly more than an overly short MAXPATHLEN. */ | |
535 | #if MAXPATHLEN < 4096 | |
536 | #define BIGPATHBUFLEN (4096+1024) | |
537 | #else | |
538 | #define BIGPATHBUFLEN (MAXPATHLEN+1024) | |
539 | #endif | |
540 | ||
52d3e106 S |
541 | #ifndef NAME_MAX |
542 | #define NAME_MAX 255 | |
543 | #endif | |
544 | ||
0473e2a1 AT |
545 | #ifndef INADDR_NONE |
546 | #define INADDR_NONE 0xffffffff | |
547 | #endif | |
548 | ||
bda41fa5 WD |
549 | #ifndef IN_LOOPBACKNET |
550 | #define IN_LOOPBACKNET 127 | |
551 | #endif | |
552 | ||
1c3344a1 WD |
553 | #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS |
554 | #define ACLS_NEED_MASK 1 | |
555 | #endif | |
556 | ||
25bd9945 | 557 | #define GID_NONE ((gid_t)-1) |
a60e2dca | 558 | |
5b30412c | 559 | union file_extras { |
bd6edd3f WD |
560 | int32 num; |
561 | uint32 unum; | |
5b30412c WD |
562 | }; |
563 | ||
c627d613 | 564 | struct file_struct { |
2d2414f3 WD |
565 | const char *dirname; /* The dir info inside the transfer */ |
566 | time_t modtime; /* When the item was last modified */ | |
567 | uint32 len32; /* Lowest 32 bits of the file's length */ | |
568 | uint16 mode; /* The item's type and permissions */ | |
569 | uint16 flags; /* The FLAG_* bits for this item */ | |
570 | const char basename[1]; /* The basename (AKA filename) follows */ | |
c627d613 AT |
571 | }; |
572 | ||
99a957d3 | 573 | extern int file_extra_cnt; |
96293cf9 WD |
574 | extern int preserve_uid; |
575 | extern int preserve_gid; | |
1c3344a1 | 576 | extern int preserve_acls; |
16edf865 | 577 | extern int preserve_xattrs; |
b96efc2f | 578 | |
c58c1dc4 | 579 | #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) |
5b30412c | 580 | #define EXTRA_LEN (sizeof (union file_extras)) |
bd6edd3f | 581 | #define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN) |
a0456b9c | 582 | #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN) |
96293cf9 | 583 | |
5b30412c | 584 | #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) |
99a957d3 | 585 | #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump)) |
b37b7c99 | 586 | |
96293cf9 WD |
587 | #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) |
588 | #define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0) | |
589 | ||
c58c1dc4 | 590 | /* The length applies to all items. */ |
bf466c0f WD |
591 | #if SIZEOF_INT64 < 8 |
592 | #define F_LENGTH(f) ((int64)(f)->len32) | |
593 | #else | |
594 | #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \ | |
595 | ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0)) | |
596 | #endif | |
82ad07c4 | 597 | |
96293cf9 | 598 | /* If there is a symlink string, it is always right after the basename */ |
c58c1dc4 | 599 | #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) |
82ad07c4 | 600 | |
bd6edd3f WD |
601 | /* The sending side always has this available: */ |
602 | #define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN)) | |
603 | ||
604 | /* The receiving side always has this available: */ | |
605 | #define F_DEPTH(f) REQ_EXTRA(f, 1)->num | |
606 | ||
96293cf9 | 607 | /* When the associated option is on, all entries will have these present: */ |
5bb73485 WD |
608 | #define F_OWNER(f) REQ_EXTRA(f, preserve_uid)->unum |
609 | #define F_GROUP(f) REQ_EXTRA(f, preserve_gid)->unum | |
16edf865 WD |
610 | #define F_ACL(f) REQ_EXTRA(f, preserve_acls)->num |
611 | #define F_XATTR(f) REQ_EXTRA(f, preserve_xattrs)->num | |
82ad07c4 | 612 | |
b37b7c99 | 613 | /* These items are per-entry optional and mutally exclusive: */ |
14d776ff | 614 | #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num |
bfd31372 | 615 | #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num |
1c3344a1 | 616 | #define F_DEF_ACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum |
9ec3828b WD |
617 | #define F_DIRDEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 2 - 1)->unum) |
618 | #define F_DIRNODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 3 - 1)->num) | |
82ad07c4 | 619 | |
b37b7c99 WD |
620 | /* This optional item might follow an F_HL_*() item. |
621 | * (Note: a device doesn't need to check LEN64_BUMP(f).) */ | |
622 | #define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum) | |
82ad07c4 | 623 | |
96293cf9 | 624 | /* The sum is only present on regular files. */ |
b8c167e8 WD |
625 | #define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \ |
626 | + SUM_EXTRA_CNT - 1)) | |
96293cf9 | 627 | |
b37b7c99 | 628 | /* Some utility defines: */ |
c58c1dc4 | 629 | #define F_IS_ACTIVE(f) (f)->basename[0] |
bfd31372 | 630 | #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) |
5bb73485 | 631 | |
b7cfb9e2 WD |
632 | #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST) |
633 | #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST) | |
96293cf9 | 634 | |
5bb73485 WD |
635 | #define F_UID(f) ((uid_t)F_OWNER(f)) |
636 | #define F_GID(f) ((gid_t)F_GROUP(f)) | |
637 | ||
b37b7c99 WD |
638 | #define DEV_MAJOR(a) (a)[0] |
639 | #define DEV_MINOR(a) (a)[1] | |
640 | ||
9ec3828b WD |
641 | #define DIR_PARENT(a) (a)[0] |
642 | #define DIR_FIRST_CHILD(a) (a)[1] | |
643 | #define DIR_NEXT_SIBLING(a) (a)[2] | |
644 | ||
96293cf9 WD |
645 | /* |
646 | * Start the flist array at FLIST_START entries and grow it | |
647 | * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR | |
648 | */ | |
649 | #define FLIST_START (32 * 1024) | |
650 | #define FLIST_LINEAR (FLIST_START * 512) | |
82ad07c4 | 651 | |
9935066b | 652 | /* |
82ad07c4 | 653 | * Extent size for allocation pools: A minimum size of 128KB |
9935066b S |
654 | * is needed to mmap them so that freeing will release the |
655 | * space to the OS. | |
656 | * | |
657 | * Larger sizes reduce leftover fragments and speed free calls | |
82ad07c4 | 658 | * (when they happen). Smaller sizes increase the chance of |
9935066b S |
659 | * freed allocations freeing whole extents. |
660 | */ | |
9935066b S |
661 | #define FILE_EXTENT (256 * 1024) |
662 | #define HLINK_EXTENT (128 * 1024) | |
663 | ||
9ec3828b WD |
664 | #define FLIST_TEMP (1<<1) |
665 | ||
c627d613 | 666 | struct file_list { |
9ec3828b | 667 | struct file_list *next, *prev; |
2b2ea368 | 668 | struct file_struct **files; |
9935066b | 669 | alloc_pool_t file_pool; |
82ad07c4 WD |
670 | int count, malloced; |
671 | int low, high; /* 0-relative index values excluding empties */ | |
3ea6e0e7 | 672 | int ndx_start; /* the start offset for inc_recurse mode */ |
9ec3828b WD |
673 | int parent_ndx; /* dir_flist index of parent directory */ |
674 | int in_progress, to_redo; | |
c627d613 AT |
675 | }; |
676 | ||
a3221d2a WD |
677 | #define SUMFLG_SAME_OFFSET (1<<0) |
678 | ||
c627d613 | 679 | struct sum_buf { |
6ded1170 | 680 | OFF_T offset; /**< offset in file of this chunk */ |
a06b419d | 681 | int32 len; /**< length of chunk of file */ |
6ded1170 | 682 | uint32 sum1; /**< simple checksum */ |
d733de97 | 683 | int32 chain; /**< next hash-table collision */ |
a3221d2a | 684 | short flags; /**< flag bits */ |
6ded1170 | 685 | char sum2[SUM_LENGTH]; /**< checksum */ |
c627d613 AT |
686 | }; |
687 | ||
688 | struct sum_struct { | |
6ded1170 | 689 | OFF_T flength; /**< total file length */ |
2b2ea368 | 690 | struct sum_buf *sums; /**< points to info for each chunk */ |
15859584 | 691 | int32 count; /**< how many chunks */ |
a06b419d WD |
692 | int32 blength; /**< block_length */ |
693 | int32 remainder; /**< flength % block_length */ | |
da9d12f5 | 694 | int s2length; /**< sum2_length */ |
c627d613 AT |
695 | }; |
696 | ||
c6e7fcb4 | 697 | struct map_struct { |
6a7cc46c S |
698 | OFF_T file_size; /* File size (from stat) */ |
699 | OFF_T p_offset; /* Window start */ | |
700 | OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */ | |
2b2ea368 WD |
701 | char *p; /* Window pointer */ |
702 | int32 p_size; /* Largest window size we allocated */ | |
703 | int32 p_len; /* Latest (rounded) window size */ | |
704 | int32 def_window_size; /* Default window size */ | |
705 | int fd; /* File Descriptor */ | |
706 | int status; /* first errno from read errors */ | |
c6e7fcb4 | 707 | }; |
c627d613 | 708 | |
e2d22fee WD |
709 | #define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */ |
710 | #define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */ | |
685517ab WD |
711 | #define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */ |
712 | #define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */ | |
713 | #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */ | |
714 | #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */ | |
715 | #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */ | |
46fa6025 WD |
716 | #define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */ |
717 | #define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */ | |
718 | #define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */ | |
719 | #define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */ | |
720 | #define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */ | |
721 | #define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */ | |
722 | #define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */ | |
53b417e4 WD |
723 | #define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */ |
724 | #define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */ | |
a427e893 WD |
725 | #define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */ |
726 | #define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */ | |
685517ab | 727 | #define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */ |
c0f1e57b | 728 | #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */ |
7c8e23bd | 729 | |
3b2461cf | 730 | #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \ |
a427e893 | 731 | | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \ |
c0f1e57b WD |
732 | | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \ |
733 | | MATCHFLG_PERISHABLE) | |
3b2461cf | 734 | |
7842418b WD |
735 | struct filter_struct { |
736 | struct filter_struct *next; | |
2b6b4d53 | 737 | char *pattern; |
53b417e4 | 738 | uint32 match_flags; |
46fa6025 WD |
739 | union { |
740 | int slash_cnt; | |
7842418b | 741 | struct filter_list_struct *mergelist; |
46fa6025 | 742 | } u; |
2b6b4d53 AT |
743 | }; |
744 | ||
7842418b WD |
745 | struct filter_list_struct { |
746 | struct filter_struct *head; | |
747 | struct filter_struct *tail; | |
ac1d2d33 | 748 | char *debug_type; |
63d03319 WD |
749 | }; |
750 | ||
a800434a AT |
751 | struct stats { |
752 | int64 total_size; | |
753 | int64 total_transferred_size; | |
754 | int64 total_written; | |
755 | int64 total_read; | |
756 | int64 literal_data; | |
757 | int64 matched_data; | |
d4198823 WD |
758 | int64 flist_buildtime; |
759 | int64 flist_xfertime; | |
604dbf6d | 760 | int64 flist_size; |
a800434a AT |
761 | int num_files; |
762 | int num_transferred_files; | |
dc8293ff | 763 | int current_file_index; |
a800434a AT |
764 | }; |
765 | ||
f7bce90c | 766 | struct chmod_mode_struct; |
2b6b4d53 | 767 | |
1c3344a1 WD |
768 | #define EMPTY_ITEM_LIST {NULL, 0, 0} |
769 | ||
770 | typedef struct { | |
771 | void *items; | |
772 | size_t count; | |
773 | size_t malloced; | |
774 | } item_list; | |
775 | ||
776 | #define EXPAND_ITEM_LIST(lp, type, incr) \ | |
777 | (type*)expand_item_list(lp, sizeof (type), #type, incr) | |
778 | ||
c627d613 | 779 | #include "byteorder.h" |
a0456b9c | 780 | #include "lib/mdigest.h" |
87f18b62 | 781 | #include "lib/wildmatch.h" |
740819ef | 782 | #include "lib/permstring.h" |
e20a4f84 | 783 | #include "lib/addrinfo.h" |
0de40240 | 784 | |
2b916250 | 785 | #ifndef __GNUC__ |
4ea58045 | 786 | #define __attribute__(x) |
1b896f8d | 787 | #else |
7de7b49f WD |
788 | # if __GNUC__ <= 2 |
789 | # define NORETURN | |
790 | # endif | |
4ea58045 WD |
791 | #endif |
792 | ||
90b13cf6 | 793 | #define UNUSED(x) x __attribute__((__unused__)) |
7de7b49f | 794 | #ifndef NORETURN |
011e85a5 | 795 | #define NORETURN __attribute__((__noreturn__)) |
7de7b49f | 796 | #endif |
90b13cf6 | 797 | |
1c3344a1 WD |
798 | typedef struct { |
799 | STRUCT_STAT st; | |
800 | #ifdef SUPPORT_ACLS | |
801 | struct rsync_acl *acc_acl; /* access ACL */ | |
802 | struct rsync_acl *def_acl; /* default ACL */ | |
803 | #endif | |
16edf865 WD |
804 | #ifdef SUPPORT_XATTRS |
805 | item_list *xattr; | |
806 | #endif | |
1c3344a1 WD |
807 | } statx; |
808 | ||
809 | #define ACL_READY(sx) ((sx).acc_acl != NULL) | |
16edf865 | 810 | #define XATTR_READY(sx) ((sx).xattr != NULL) |
1c3344a1 | 811 | |
58c29609 MP |
812 | #include "proto.h" |
813 | ||
9439c0cb WD |
814 | #ifndef SUPPORT_XATTRS |
815 | #define x_stat(fn,fst,xst) do_stat(fn,fst) | |
816 | #define x_lstat(fn,fst,xst) do_lstat(fn,fst) | |
817 | #define x_fstat(fd,fst,xst) do_fstat(fd,fst) | |
818 | #endif | |
819 | ||
0de40240 | 820 | /* We have replacement versions of these if they're missing. */ |
4f5b0756 | 821 | #ifndef HAVE_ASPRINTF |
0de40240 MP |
822 | int asprintf(char **ptr, const char *format, ...); |
823 | #endif | |
824 | ||
4f5b0756 | 825 | #ifndef HAVE_VASPRINTF |
0de40240 MP |
826 | int vasprintf(char **ptr, const char *format, va_list ap); |
827 | #endif | |
828 | ||
4f5b0756 | 829 | #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e WD |
830 | #define vsnprintf rsync_vsnprintf |
831 | int vsnprintf(char *str, size_t count, const char *fmt, va_list args); | |
0de40240 MP |
832 | #endif |
833 | ||
4f5b0756 | 834 | #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e | 835 | #define snprintf rsync_snprintf |
82ad07c4 | 836 | int snprintf(char *str, size_t count, const char *fmt,...); |
0de40240 MP |
837 | #endif |
838 | ||
839 | ||
4f5b0756 | 840 | #ifndef HAVE_STRERROR |
c627d613 AT |
841 | extern char *sys_errlist[]; |
842 | #define strerror(i) sys_errlist[i] | |
843 | #endif | |
844 | ||
4f5b0756 | 845 | #ifndef HAVE_STRCHR |
c627d613 AT |
846 | # define strchr index |
847 | # define strrchr rindex | |
848 | #endif | |
849 | ||
4f5b0756 | 850 | #ifndef HAVE_ERRNO_DECL |
c627d613 AT |
851 | extern int errno; |
852 | #endif | |
853 | ||
9a929c8f WD |
854 | #ifdef HAVE_READLINK |
855 | #define SUPPORT_LINKS 1 | |
856 | #endif | |
857 | #ifdef HAVE_LINK | |
858 | #define SUPPORT_HARD_LINKS 1 | |
859 | #endif | |
c627d613 | 860 | |
5173f99e | 861 | #ifdef HAVE_SIGACTION |
90b13cf6 WD |
862 | #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL) |
863 | #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h) | |
864 | #else | |
865 | #define SIGACTION(n,h) signal(n,h) | |
866 | #endif | |
720b47f2 AT |
867 | |
868 | #ifndef EWOULDBLOCK | |
869 | #define EWOULDBLOCK EAGAIN | |
870 | #endif | |
182dca5c | 871 | |
7b8356d0 AT |
872 | #ifndef STDIN_FILENO |
873 | #define STDIN_FILENO 0 | |
874 | #endif | |
875 | ||
876 | #ifndef STDOUT_FILENO | |
877 | #define STDOUT_FILENO 1 | |
878 | #endif | |
879 | ||
880 | #ifndef STDERR_FILENO | |
881 | #define STDERR_FILENO 2 | |
882 | #endif | |
883 | ||
8120a98f WD |
884 | #ifndef S_IRUSR |
885 | #define S_IRUSR 0400 | |
886 | #endif | |
887 | ||
7b8356d0 AT |
888 | #ifndef S_IWUSR |
889 | #define S_IWUSR 0200 | |
890 | #endif | |
891 | ||
b0d791bb PG |
892 | #ifndef ACCESSPERMS |
893 | #define ACCESSPERMS 0777 | |
894 | #endif | |
895 | ||
896 | #ifndef S_ISVTX | |
897 | #define S_ISVTX 0 | |
898 | #endif | |
899 | ||
900 | #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS) | |
901 | ||
b280a1f4 AT |
902 | #ifndef _S_IFMT |
903 | #define _S_IFMT 0170000 | |
904 | #endif | |
905 | ||
906 | #ifndef _S_IFLNK | |
907 | #define _S_IFLNK 0120000 | |
908 | #endif | |
909 | ||
910 | #ifndef S_ISLNK | |
911 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
912 | #endif | |
913 | ||
1e9f155a AT |
914 | #ifndef S_ISBLK |
915 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
916 | #endif | |
917 | ||
918 | #ifndef S_ISCHR | |
919 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
920 | #endif | |
921 | ||
a0b65b18 AT |
922 | #ifndef S_ISSOCK |
923 | #ifdef _S_IFSOCK | |
924 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
925 | #else | |
926 | #define S_ISSOCK(mode) (0) | |
927 | #endif | |
928 | #endif | |
929 | ||
930 | #ifndef S_ISFIFO | |
931 | #ifdef _S_IFIFO | |
932 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
933 | #else | |
934 | #define S_ISFIFO(mode) (0) | |
935 | #endif | |
936 | #endif | |
937 | ||
1e9f155a AT |
938 | #ifndef S_ISDIR |
939 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
940 | #endif | |
941 | ||
942 | #ifndef S_ISREG | |
943 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
944 | #endif | |
945 | ||
f0359dd0 AT |
946 | /* work out what fcntl flag to use for non-blocking */ |
947 | #ifdef O_NONBLOCK | |
948 | # define NONBLOCK_FLAG O_NONBLOCK | |
4f5b0756 | 949 | #elif defined SYSV |
f0359dd0 | 950 | # define NONBLOCK_FLAG O_NDELAY |
d622d4bf | 951 | #else |
f0359dd0 AT |
952 | # define NONBLOCK_FLAG FNDELAY |
953 | #endif | |
954 | ||
d79c77ca MP |
955 | #ifndef INADDR_LOOPBACK |
956 | #define INADDR_LOOPBACK 0x7f000001 | |
957 | #endif | |
958 | ||
959 | #ifndef INADDR_NONE | |
960 | #define INADDR_NONE 0xffffffff | |
961 | #endif | |
a0b65b18 | 962 | |
b5c6a6ae WD |
963 | #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode)) |
964 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode)) | |
7bec6a5c | 965 | |
5afd8aed DD |
966 | /* Initial mask on permissions given to temporary files. Mask off setuid |
967 | bits and group access because of potential race-condition security | |
968 | holes, and mask other access because mode 707 is bizarre */ | |
972a3619 | 969 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
970 | |
971 | /* handler for null strings in printf format */ | |
0ee6ca98 | 972 | #define NS(s) ((s)?(s):"<NULL>") |
e08bfe12 | 973 | |
58cadc86 WD |
974 | /* Convenient wrappers for malloc and realloc. Use them. */ |
975 | #define new(type) ((type *)malloc(sizeof(type))) | |
976 | #define new_array(type, num) ((type *)_new_array(sizeof(type), (num))) | |
977 | #define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num))) | |
fb859e56 | 978 | |
e08bfe12 | 979 | /* use magic gcc attributes to catch format errors */ |
ff41a59f | 980 | void rprintf(enum logcode , const char *, ...) |
fb859e56 | 981 | __attribute__((format (printf, 2, 3))) |
e08bfe12 | 982 | ; |
7b3d4257 | 983 | |
a039749b MP |
984 | /* This is just like rprintf, but it also tries to print some |
985 | * representation of the error code. Normally errcode = errno. */ | |
986 | void rsyserr(enum logcode, int, const char *, ...) | |
fb859e56 | 987 | __attribute__((format (printf, 3, 4))) |
a039749b MP |
988 | ; |
989 | ||
afbcc8f2 WD |
990 | /* Make sure that the O_BINARY flag is defined. */ |
991 | #ifndef O_BINARY | |
992 | #define O_BINARY 0 | |
993 | #endif | |
5a788ade | 994 | |
4f5b0756 | 995 | #ifndef HAVE_STRLCPY |
5a788ade AT |
996 | size_t strlcpy(char *d, const char *s, size_t bufsize); |
997 | #endif | |
998 | ||
4f5b0756 | 999 | #ifndef HAVE_STRLCAT |
5a788ade AT |
1000 | size_t strlcat(char *d, const char *s, size_t bufsize); |
1001 | #endif | |
1002 | ||
82980a23 AT |
1003 | #ifndef WEXITSTATUS |
1004 | #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF)) | |
1005 | #endif | |
47b032e9 WD |
1006 | #ifndef WIFEXITED |
1007 | #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0) | |
1008 | #endif | |
82980a23 | 1009 | |
a9766ef1 | 1010 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |
eecd22ff | 1011 | |
4f5b0756 | 1012 | #ifdef HAVE_GETEUID |
b2bffbb2 WD |
1013 | #define MY_UID() geteuid() |
1014 | #else | |
1015 | #define MY_UID() getuid() | |
1016 | #endif | |
1017 | ||
4f5b0756 | 1018 | #ifdef HAVE_GETEGID |
b2bffbb2 WD |
1019 | #define MY_GID() getegid() |
1020 | #else | |
1021 | #define MY_GID() getgid() | |
1022 | #endif | |
eecd22ff | 1023 | |
6d4e718f | 1024 | extern int verbose; |
d5d4b282 | 1025 | |
4f5b0756 | 1026 | #ifndef HAVE_INET_NTOP |
d622d4bf | 1027 | const char *inet_ntop(int af, const void *src, char *dst, size_t size); |
4f5b0756 | 1028 | #endif |
8f694072 | 1029 | |
4f5b0756 | 1030 | #ifndef HAVE_INET_PTON |
bda41fa5 | 1031 | int inet_pton(int af, const char *src, void *dst); |
8f694072 | 1032 | #endif |
0f0ea7f7 | 1033 | |
f4a0483a MP |
1034 | #ifdef MAINTAINER_MODE |
1035 | const char *get_panic_action(void); | |
1036 | #endif | |
2dc7b8bd | 1037 | |
9439c0cb WD |
1038 | static inline int to_wire_mode(mode_t mode) |
1039 | { | |
1040 | #ifdef SUPPORT_LINKS | |
1041 | #if _S_IFLNK != 0120000 | |
1042 | if (S_ISLNK(mode)) | |
1043 | return (mode & ~(_S_IFMT)) | 0120000; | |
1044 | #endif | |
1045 | #endif | |
1046 | return mode; | |
1047 | } | |
1048 | ||
1049 | static inline mode_t from_wire_mode(int mode) | |
1050 | { | |
1051 | #if _S_IFLNK != 0120000 | |
1052 | if ((mode & (_S_IFMT)) == 0120000) | |
1053 | return (mode & ~(_S_IFMT)) | _S_IFLNK; | |
1054 | #endif | |
1055 | return mode; | |
1056 | } | |
1057 | ||
2dc7b8bd WD |
1058 | static inline int |
1059 | isDigit(const char *ptr) | |
1060 | { | |
1061 | return isdigit(*(unsigned char *)ptr); | |
1062 | } | |
1063 | ||
1064 | static inline int | |
1065 | isPrint(const char *ptr) | |
1066 | { | |
1067 | return isprint(*(unsigned char *)ptr); | |
1068 | } | |
1069 | ||
1070 | static inline int | |
1071 | isSpace(const char *ptr) | |
1072 | { | |
1073 | return isspace(*(unsigned char *)ptr); | |
1074 | } | |
1075 | ||
1076 | static inline int | |
1077 | isLower(const char *ptr) | |
1078 | { | |
1079 | return islower(*(unsigned char *)ptr); | |
1080 | } | |
1081 | ||
1082 | static inline int | |
1083 | isUpper(const char *ptr) | |
1084 | { | |
1085 | return isupper(*(unsigned char *)ptr); | |
1086 | } | |
1087 | ||
1088 | static inline int | |
1089 | toLower(const char *ptr) | |
1090 | { | |
1091 | return tolower(*(unsigned char *)ptr); | |
1092 | } | |
1093 | ||
1094 | static inline int | |
1095 | toUpper(const char *ptr) | |
1096 | { | |
1097 | return toupper(*(unsigned char *)ptr); | |
1098 | } |