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 | |
8e41b68e WD |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 3 of the License, or | |
10 | * (at your option) any later version. | |
0f78b815 WD |
11 | * |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
e7c67065 | 17 | * You should have received a copy of the GNU General Public License along |
4fd842f9 | 18 | * with this program; if not, visit the http://fsf.org website. |
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 | ||
9585b276 WD |
35 | #define SYMLINK_PREFIX "/rsyncd-munged/" |
36 | #define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1) | |
37 | ||
c627d613 AT |
38 | #define BACKUP_SUFFIX "~" |
39 | ||
1b01b295 | 40 | /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is |
6543dc0c | 41 | incompatible with older versions :-( */ |
1b01b295 AT |
42 | #define CHAR_OFFSET 0 |
43 | ||
a5f9cff2 WD |
44 | /* These flags are only used during the flist transfer. */ |
45 | ||
ec33e0e6 | 46 | #define XMIT_TOP_DIR (1<<0) |
a5f9cff2 | 47 | #define XMIT_SAME_MODE (1<<1) |
18438f0b | 48 | #define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */ |
cf2d2665 | 49 | #define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - now */ |
a5f9cff2 WD |
50 | #define XMIT_SAME_UID (1<<3) |
51 | #define XMIT_SAME_GID (1<<4) | |
52 | #define XMIT_SAME_NAME (1<<5) | |
53 | #define XMIT_LONG_NAME (1<<6) | |
54 | #define XMIT_SAME_TIME (1<<7) | |
cf2d2665 | 55 | #define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - now (devices only) */ |
ae11e4ee | 56 | #define XMIT_NO_CONTENT_DIR (1<<8) /* protocols 30 - now (dirs only) */ |
cf2d2665 | 57 | #define XMIT_HLINKED (1<<9) /* protocols 28 - now */ |
18438f0b | 58 | #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */ |
cf2d2665 | 59 | #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */ |
18438f0b | 60 | #define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */ |
cf2d2665 WD |
61 | #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */ |
62 | #define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - now (HLINKED files only) */ | |
a5f9cff2 WD |
63 | |
64 | /* These flags are used in the live flist data. */ | |
65 | ||
82ad07c4 | 66 | #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ |
9ec3828b | 67 | #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */ |
48a481c4 | 68 | #define FLAG_DIR_CREATED (1<<1) /* generator */ |
ae11e4ee | 69 | #define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */ |
82ad07c4 | 70 | #define FLAG_MOUNT_DIR (1<<3) /* sender/generator */ |
505c0579 | 71 | #define FLAG_DUPLICATE (1<<4) /* sender */ |
96293cf9 | 72 | #define FLAG_MISSING_DIR (1<<4) /* generator */ |
ae11e4ee WD |
73 | #define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */ |
74 | #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */ | |
75 | #define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */ | |
82ad07c4 | 76 | #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ |
ae11e4ee | 77 | #define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */ |
bfd31372 | 78 | #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */ |
ff2001b9 | 79 | #define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */ |
bfd31372 | 80 | |
9ec3828b WD |
81 | /* These flags are passed to functions but not stored. */ |
82 | ||
83 | #define FLAG_DIVERT_DIRS (1<<16)/* sender */ | |
84 | ||
bfd31372 WD |
85 | #define BITS_SET(val,bits) (((val) & (bits)) == (bits)) |
86 | #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits)) | |
0a62f5f3 WD |
87 | #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \ |
88 | == ((unsigned)(b2) & (unsigned)(mask))) | |
520cf417 | 89 | |
c627d613 | 90 | /* update this if you make incompatible changes */ |
21068d8e | 91 | #define PROTOCOL_VERSION 30 |
063393d6 | 92 | |
4471d9e5 WD |
93 | /* This is used when working on a new protocol version in CVS, and should |
94 | * be a new non-zero value for each CVS change that affects the protocol. | |
95 | * It must ALWAYS be 0 when the protocol goes final! */ | |
65b4e4b2 | 96 | #define SUBPROTOCOL_VERSION 16 |
4471d9e5 | 97 | |
063393d6 MP |
98 | /* We refuse to interoperate with versions that are not in this range. |
99 | * Note that we assume we'll work with later versions: the onus is on | |
100 | * people writing them to make sure that they don't send us anything | |
101 | * we won't understand. | |
102 | * | |
1b2db7ae S |
103 | * Interoperation with old but supported protocol versions |
104 | * should cause a warning to be printed. At a future date | |
105 | * the old protocol will become the minimum and | |
106 | * compatibility code removed. | |
107 | * | |
91c4da3f S |
108 | * There are two possible explanations for the limit at |
109 | * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that | |
110 | * do not interoperate with us, and (more likely) so that we can | |
111 | * detect an attempt to connect rsync to a non-rsync server, which is | |
112 | * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and | |
113 | * MAX_PROTOCOL_VERSION. */ | |
114 | ||
3e491682 S |
115 | #define MIN_PROTOCOL_VERSION 20 |
116 | #define OLD_PROTOCOL_VERSION 25 | |
1b2db7ae | 117 | #define MAX_PROTOCOL_VERSION 40 |
c627d613 | 118 | |
3831f063 WD |
119 | #define FILECNT_LOOKAHEAD 1000 |
120 | ||
9486289c AT |
121 | #define RSYNC_PORT 873 |
122 | ||
d867229b | 123 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 124 | #define WRITE_SIZE (32*1024) |
34ccb63e | 125 | #define CHUNK_SIZE (32*1024) |
61542c41 | 126 | #define MAX_MAP_SIZE (256*1024) |
e3fe383a | 127 | #define IO_BUFFER_SIZE (4092) |
4c17cdcb | 128 | #define MAX_BLOCK_SIZE ((int32)1 << 17) |
c627d613 | 129 | |
e2d22fee WD |
130 | #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */ |
131 | #define IOERR_VANISHED (1<<1) | |
ff3d3c32 | 132 | #define IOERR_DEL_LIMIT (1<<2) |
e2d22fee | 133 | |
874895d5 | 134 | #define MAX_ARGS 1000 |
e4977b0b | 135 | #define MAX_BASIS_DIRS 20 |
c296031d | 136 | #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100) |
e4977b0b | 137 | |
8d9dc9f9 | 138 | #define MPLEX_BASE 7 |
ff41a59f | 139 | |
7842418b WD |
140 | #define NO_FILTERS 0 |
141 | #define SERVER_FILTERS 1 | |
142 | #define ALL_FILTERS 2 | |
4762db4f | 143 | |
753b6b46 | 144 | #define XFLG_FATAL_ERRORS (1<<0) |
3b2461cf WD |
145 | #define XFLG_OLD_PREFIXES (1<<1) |
146 | #define XFLG_ANCHORED2ABS (1<<2) | |
699f7024 | 147 | #define XFLG_ABS_IF_SLASH (1<<3) |
4762db4f | 148 | |
8eda7a4b WD |
149 | #define ATTRS_REPORT (1<<0) |
150 | #define ATTRS_SKIP_MTIME (1<<1) | |
5c6fc4a6 | 151 | |
419896af WD |
152 | #define FULL_FLUSH 1 |
153 | #define NORMAL_FLUSH 0 | |
154 | ||
a7260c40 WD |
155 | #define PDIR_CREATE 1 |
156 | #define PDIR_DELETE 0 | |
157 | ||
e341588a WD |
158 | /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */ |
159 | #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */ | |
160 | #define FNAMECMP_BASIS_DIR_HIGH 0x7F | |
41cfde6b WD |
161 | #define FNAMECMP_FNAME 0x80 |
162 | #define FNAMECMP_PARTIAL_DIR 0x81 | |
163 | #define FNAMECMP_BACKUP 0x82 | |
0dd046d3 | 164 | #define FNAMECMP_FUZZY 0x83 |
41cfde6b | 165 | |
0cc279e0 | 166 | /* For use by the itemize_changes code */ |
b3222792 | 167 | #define ITEM_REPORT_ATIME (1<<0) |
0cc279e0 WD |
168 | #define ITEM_REPORT_CHECKSUM (1<<1) |
169 | #define ITEM_REPORT_SIZE (1<<2) | |
170 | #define ITEM_REPORT_TIME (1<<3) | |
171 | #define ITEM_REPORT_PERMS (1<<4) | |
172 | #define ITEM_REPORT_OWNER (1<<5) | |
173 | #define ITEM_REPORT_GROUP (1<<6) | |
b3222792 WD |
174 | #define ITEM_REPORT_ACL (1<<7) |
175 | #define ITEM_REPORT_XATTR (1<<8) | |
3019a9ba WD |
176 | #define ITEM_BASIS_TYPE_FOLLOWS (1<<11) |
177 | #define ITEM_XNAME_FOLLOWS (1<<12) | |
6d0e5d2e WD |
178 | #define ITEM_IS_NEW (1<<13) |
179 | #define ITEM_LOCAL_CHANGE (1<<14) | |
180 | #define ITEM_TRANSFER (1<<15) | |
d4d4890d | 181 | /* These are outside the range of the transmitted flags. */ |
d4d4890d WD |
182 | #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */ |
183 | #define ITEM_DELETED (1<<17) /* used by log_formatted() */ | |
1e4f5f63 | 184 | #define ITEM_MATCHED (1<<18) /* used by itemize() */ |
0cc279e0 | 185 | |
3019a9ba WD |
186 | #define SIGNIFICANT_ITEM_FLAGS (~(\ |
187 | ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE)) | |
669e7671 | 188 | |
c73f2a38 WD |
189 | #define CFN_KEEP_LEADING_DOT_DIR (1<<0) |
190 | #define CFN_KEEP_TRAILING_SLASH (1<<1) | |
191 | #define CFN_DROP_TRAILING_DOT_DIR (1<<2) | |
192 | #define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3) | |
df0054ab | 193 | |
3f0211b6 WD |
194 | /* Log-message categories. FLOG only goes to the log file, not the client; |
195 | * FCLIENT is the opposite. */ | |
196 | enum logcode { | |
197 | FNONE=0, /* never sent */ | |
198 | FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */ | |
199 | FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */ | |
200 | FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */ | |
201 | FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */ | |
202 | }; | |
419896af WD |
203 | |
204 | /* Messages types that are sent over the message channel. The logcode | |
205 | * values must all be present here with identical numbers. */ | |
206 | enum msgcode { | |
1dcf3b43 | 207 | MSG_DATA=0, /* raw data on the multiplexed stream */ |
3f0211b6 WD |
208 | MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */ |
209 | MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */ | |
210 | MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */ | |
211 | MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */ | |
1dcf3b43 | 212 | MSG_REDO=9, /* reprocess indicated flist index */ |
9ec3828b WD |
213 | MSG_FLIST=20, /* extra file list over sibling socket */ |
214 | MSG_FLIST_EOF=21,/* we've transmitted all the file lists */ | |
215 | MSG_IO_ERROR=22,/* the sending side had an I/O error */ | |
216 | MSG_NOOP=42, /* a do-nothing message */ | |
1dcf3b43 WD |
217 | MSG_SUCCESS=100,/* successfully updated indicated flist index */ |
218 | MSG_DELETED=101,/* successfully deleted a file on receiving side */ | |
9ec3828b | 219 | MSG_NO_SEND=102,/* sender failed to open a file we wanted */ |
1dcf3b43 | 220 | MSG_DONE=86 /* current phase is done */ |
419896af | 221 | }; |
7bec6a5c | 222 | |
82ad07c4 | 223 | #define NDX_DONE -1 |
9ec3828b WD |
224 | #define NDX_FLIST_EOF -2 |
225 | #define NDX_FLIST_OFFSET -101 | |
82ad07c4 | 226 | |
65417579 AT |
227 | #include "errcode.h" |
228 | ||
c627d613 AT |
229 | #include "config.h" |
230 | ||
e3217f14 | 231 | /* The default RSYNC_RSH is always set in config.h. */ |
24d95c03 | 232 | |
c627d613 | 233 | #include <stdio.h> |
4f5b0756 | 234 | #ifdef HAVE_SYS_TYPES_H |
e95538ca WD |
235 | # include <sys/types.h> |
236 | #endif | |
4f5b0756 | 237 | #ifdef HAVE_SYS_STAT_H |
e95538ca WD |
238 | # include <sys/stat.h> |
239 | #endif | |
4f5b0756 | 240 | #ifdef STDC_HEADERS |
e95538ca WD |
241 | # include <stdlib.h> |
242 | # include <stddef.h> | |
243 | #else | |
4f5b0756 | 244 | # ifdef HAVE_STDLIB_H |
e95538ca WD |
245 | # include <stdlib.h> |
246 | # endif | |
247 | #endif | |
4f5b0756 WD |
248 | #ifdef HAVE_STRING_H |
249 | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H | |
e95538ca WD |
250 | # include <memory.h> |
251 | # endif | |
252 | # include <string.h> | |
253 | #endif | |
4f5b0756 | 254 | #ifdef HAVE_STRINGS_H |
e95538ca WD |
255 | # include <strings.h> |
256 | #endif | |
2d2414f3 WD |
257 | #ifdef HAVE_INTTYPES_H |
258 | # include <inttypes.h> | |
259 | #endif | |
b4b24520 WD |
260 | #ifdef HAVE_STDINT_H |
261 | # include <stdint.h> | |
262 | #endif | |
4f5b0756 | 263 | #ifdef HAVE_UNISTD_H |
e95538ca | 264 | # include <unistd.h> |
c627d613 AT |
265 | #endif |
266 | ||
4f5b0756 | 267 | #ifdef HAVE_SYS_PARAM_H |
e95538ca | 268 | #include <sys/param.h> |
38b02c13 | 269 | #endif |
59192f56 | 270 | |
4f5b0756 | 271 | #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H) |
59192f56 | 272 | #include <malloc.h> |
d7b305fd AT |
273 | #endif |
274 | ||
4f5b0756 | 275 | #ifdef HAVE_SYS_SOCKET_H |
fdd71e17 AT |
276 | #include <sys/socket.h> |
277 | #endif | |
278 | ||
4f5b0756 | 279 | #ifdef TIME_WITH_SYS_TIME |
c627d613 AT |
280 | #include <sys/time.h> |
281 | #include <time.h> | |
282 | #else | |
4f5b0756 | 283 | #ifdef HAVE_SYS_TIME_H |
c627d613 AT |
284 | #include <sys/time.h> |
285 | #else | |
286 | #include <time.h> | |
287 | #endif | |
288 | #endif | |
289 | ||
4f5b0756 | 290 | #ifdef HAVE_FCNTL_H |
c627d613 AT |
291 | #include <fcntl.h> |
292 | #else | |
4f5b0756 | 293 | #ifdef HAVE_SYS_FCNTL_H |
c627d613 AT |
294 | #include <sys/fcntl.h> |
295 | #endif | |
296 | #endif | |
297 | ||
4f5b0756 | 298 | #ifdef HAVE_SYS_IOCTL_H |
94481d91 AT |
299 | #include <sys/ioctl.h> |
300 | #endif | |
301 | ||
4f5b0756 | 302 | #ifdef HAVE_SYS_FILIO_H |
94481d91 AT |
303 | #include <sys/filio.h> |
304 | #endif | |
305 | ||
c627d613 | 306 | #include <signal.h> |
4f5b0756 | 307 | #ifdef HAVE_SYS_WAIT_H |
c627d613 AT |
308 | #include <sys/wait.h> |
309 | #endif | |
4f5b0756 | 310 | #ifdef HAVE_CTYPE_H |
c627d613 AT |
311 | #include <ctype.h> |
312 | #endif | |
4f5b0756 | 313 | #ifdef HAVE_GRP_H |
c627d613 AT |
314 | #include <grp.h> |
315 | #endif | |
316 | #include <errno.h> | |
317 | ||
4f5b0756 | 318 | #ifdef HAVE_UTIME_H |
c627d613 AT |
319 | #include <utime.h> |
320 | #endif | |
321 | ||
4f5b0756 | 322 | #ifdef HAVE_SYS_SELECT_H |
8bf73749 AT |
323 | #include <sys/select.h> |
324 | #endif | |
325 | ||
4f5b0756 | 326 | #ifdef HAVE_SYS_MODE_H |
773f2bd4 | 327 | /* apparently AIX needs this for S_ISLNK */ |
05a6556d | 328 | #ifndef S_ISLNK |
773f2bd4 AT |
329 | #include <sys/mode.h> |
330 | #endif | |
05a6556d | 331 | #endif |
773f2bd4 | 332 | |
4f5b0756 | 333 | #ifdef HAVE_GLOB_H |
874895d5 AT |
334 | #include <glob.h> |
335 | #endif | |
336 | ||
f6c34742 AT |
337 | /* these are needed for the uid/gid mapping code */ |
338 | #include <pwd.h> | |
339 | #include <grp.h> | |
340 | ||
9486289c | 341 | #include <stdarg.h> |
f0fca04e AT |
342 | #include <netinet/in.h> |
343 | #include <arpa/inet.h> | |
6e1fa33f | 344 | #ifdef HAVE_NETDB_H |
f0fca04e | 345 | #include <netdb.h> |
6e1fa33f | 346 | #endif |
ff8b29b8 | 347 | #include <syslog.h> |
6c8f5373 | 348 | #include <sys/file.h> |
9486289c | 349 | |
4f5b0756 | 350 | #ifdef HAVE_DIRENT_H |
e8f5b936 AT |
351 | # include <dirent.h> |
352 | #else | |
353 | # define dirent direct | |
4f5b0756 | 354 | # ifdef HAVE_SYS_NDIR_H |
e8f5b936 AT |
355 | # include <sys/ndir.h> |
356 | # endif | |
4f5b0756 | 357 | # ifdef HAVE_SYS_DIR_H |
e8f5b936 AT |
358 | # include <sys/dir.h> |
359 | # endif | |
4f5b0756 | 360 | # ifdef HAVE_NDIR_H |
e8f5b936 AT |
361 | # include <ndir.h> |
362 | # endif | |
363 | #endif | |
364 | ||
4f5b0756 | 365 | #ifdef MAJOR_IN_MKDEV |
c39d6514 | 366 | #include <sys/mkdev.h> |
8a33c406 | 367 | # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) |
73496a36 WD |
368 | # define makedev mkdev |
369 | # endif | |
4f5b0756 | 370 | #elif defined MAJOR_IN_SYSMACROS |
f8ed564c | 371 | #include <sys/sysmacros.h> |
c39d6514 WD |
372 | #endif |
373 | ||
5a3810b4 WD |
374 | #ifdef MAKEDEV_TAKES_3_ARGS |
375 | #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor) | |
376 | #else | |
377 | #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor) | |
378 | #endif | |
379 | ||
4f5b0756 | 380 | #ifdef HAVE_COMPAT_H |
e8f5b936 AT |
381 | #include <compat.h> |
382 | #endif | |
383 | ||
ea8291d8 WD |
384 | #ifdef HAVE_LIMITS_H |
385 | # include <limits.h> | |
386 | #endif | |
387 | ||
332cf6df WD |
388 | #if defined HAVE_ICONV_OPEN && defined HAVE_ICONV_H |
389 | #include <iconv.h> | |
390 | #ifndef ICONV_CONST | |
391 | #define ICONV_CONST | |
392 | #endif | |
4a1edb63 WD |
393 | #else |
394 | #ifdef ICONV_CONST | |
332cf6df WD |
395 | #undef ICONV_CONST |
396 | #endif | |
21546571 WD |
397 | #ifdef ICONV_OPTION |
398 | #undef ICONV_OPTION | |
399 | #endif | |
4a1edb63 WD |
400 | #ifdef iconv_t |
401 | #undef iconv_t | |
402 | #endif | |
403 | #define iconv_t int | |
404 | #endif | |
332cf6df | 405 | |
1bfbf40b MP |
406 | #include <assert.h> |
407 | ||
9935066b | 408 | #include "lib/pool_alloc.h" |
e8f5b936 | 409 | |
88a74268 WD |
410 | #ifndef HAVE_ID_T |
411 | typedef int id_t; | |
412 | #endif | |
413 | #ifndef HAVE_PID_T | |
414 | typedef int pid_t; | |
415 | #endif | |
416 | #ifndef HAVE_MODE_T | |
417 | typedef int mode_t; | |
418 | #endif | |
419 | #ifndef HAVE_OFF_T | |
420 | typedef long off_t; | |
421 | #endif | |
422 | #ifndef HAVE_SIZE_T | |
423 | typedef unsigned int size_t; | |
424 | #endif | |
425 | ||
f0fca04e AT |
426 | #define BOOL int |
427 | ||
c627d613 AT |
428 | #ifndef uchar |
429 | #define uchar unsigned char | |
430 | #endif | |
431 | ||
4f5b0756 | 432 | #ifdef SIGNED_CHAR_OK |
debb4505 AT |
433 | #define schar signed char |
434 | #else | |
435 | #define schar char | |
436 | #endif | |
437 | ||
2d2414f3 WD |
438 | #ifndef int16 |
439 | #if SIZEOF_INT16_T == 2 | |
440 | # define int16 int16_t | |
441 | #else | |
442 | # define int16 short | |
443 | #endif | |
444 | #endif | |
445 | ||
446 | #ifndef uint16 | |
447 | #if SIZEOF_UINT16_T == 2 | |
448 | # define uint16 uint16_t | |
449 | #else | |
450 | # define uint16 unsigned int16 | |
451 | #endif | |
452 | #endif | |
453 | ||
43d0f38b WD |
454 | /* Find a variable that is either exactly 32-bits or longer. |
455 | * If some code depends on 32-bit truncation, it will need to | |
456 | * take special action in a "#if SIZEOF_INT32 > 4" section. */ | |
c627d613 | 457 | #ifndef int32 |
2d2414f3 WD |
458 | #if SIZEOF_INT32_T == 4 |
459 | # define int32 int32_t | |
460 | # define SIZEOF_INT32 4 | |
461 | #elif SIZEOF_INT == 4 | |
43d0f38b WD |
462 | # define int32 int |
463 | # define SIZEOF_INT32 4 | |
464 | #elif SIZEOF_LONG == 4 | |
465 | # define int32 long | |
466 | # define SIZEOF_INT32 4 | |
467 | #elif SIZEOF_SHORT == 4 | |
468 | # define int32 short | |
469 | # define SIZEOF_INT32 4 | |
470 | #elif SIZEOF_INT > 4 | |
471 | # define int32 int | |
472 | # define SIZEOF_INT32 SIZEOF_INT | |
473 | #elif SIZEOF_LONG > 4 | |
474 | # define int32 long | |
475 | # define SIZEOF_INT32 SIZEOF_LONG | |
8de330a3 | 476 | #else |
43d0f38b | 477 | # error Could not find a 32-bit integer variable |
c627d613 | 478 | #endif |
43d0f38b WD |
479 | #else |
480 | # define SIZEOF_INT32 4 | |
c627d613 AT |
481 | #endif |
482 | ||
483 | #ifndef uint32 | |
2d2414f3 WD |
484 | #if SIZEOF_UINT32_T == 4 |
485 | # define uint32 uint32_t | |
486 | #else | |
487 | # define uint32 unsigned int32 | |
488 | #endif | |
c627d613 AT |
489 | #endif |
490 | ||
0dd046d3 | 491 | #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64 |
bcacc18b AT |
492 | #define OFF_T off_t |
493 | #define STRUCT_STAT struct stat | |
5b5f7e3b WD |
494 | #else |
495 | #define OFF_T off64_t | |
496 | #define STRUCT_STAT struct stat64 | |
497 | #define USE_STAT64_FUNCS 1 | |
bcacc18b AT |
498 | #endif |
499 | ||
d4198823 WD |
500 | /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF |
501 | * that's the maximum size the file system can handle and there is no | |
502 | * 64-bit type available. The rsync source must therefore take steps | |
503 | * to ensure that any code that really requires a 64-bit integer has | |
504 | * it (e.g. the checksum code uses two 32-bit integers for its 64-bit | |
505 | * counter). */ | |
2d2414f3 WD |
506 | #if SIZEOF_INT64_T == 8 |
507 | # define int64 int64_t | |
508 | # define SIZEOF_INT64 8 | |
509 | #elif SIZEOF_LONG == 8 | |
d622d4bf WD |
510 | # define int64 long |
511 | # define SIZEOF_INT64 8 | |
512 | #elif SIZEOF_INT == 8 | |
513 | # define int64 int | |
514 | # define SIZEOF_INT64 8 | |
515 | #elif SIZEOF_LONG_LONG == 8 | |
516 | # define int64 long long | |
517 | # define SIZEOF_INT64 8 | |
2c177562 WD |
518 | #elif SIZEOF_OFF64_T == 8 |
519 | # define int64 off64_t | |
520 | # define SIZEOF_INT64 8 | |
d622d4bf WD |
521 | #elif SIZEOF_OFF_T == 8 |
522 | # define int64 off_t | |
523 | # define SIZEOF_INT64 8 | |
524 | #elif SIZEOF_INT > 8 | |
525 | # define int64 int | |
526 | # define SIZEOF_INT64 SIZEOF_INT | |
527 | #elif SIZEOF_LONG > 8 | |
528 | # define int64 long | |
529 | # define SIZEOF_INT64 SIZEOF_LONG | |
530 | #elif SIZEOF_LONG_LONG > 8 | |
531 | # define int64 long long | |
532 | # define SIZEOF_INT64 SIZEOF_LONG_LONG | |
71c46176 | 533 | #else |
736a6a29 | 534 | /* As long as it gets... */ |
d622d4bf WD |
535 | # define int64 off_t |
536 | # define SIZEOF_INT64 SIZEOF_OFF_T | |
71c46176 | 537 | #endif |
c627d613 | 538 | |
83135e8f WD |
539 | struct hashtable { |
540 | void *nodes; | |
541 | int32 size, entries; | |
542 | uint32 node_size; | |
d6e6333a | 543 | int key64; |
83135e8f WD |
544 | }; |
545 | ||
546 | struct ht_int32_node { | |
547 | void *data; | |
548 | int32 key; | |
549 | }; | |
550 | ||
551 | struct ht_int64_node { | |
14d776ff | 552 | void *data; |
83135e8f | 553 | int64 key; |
14d776ff WD |
554 | }; |
555 | ||
83135e8f WD |
556 | #define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size)) |
557 | #define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \ | |
558 | : (int64)((struct ht_int32_node*)(node))->key) | |
559 | ||
c627d613 AT |
560 | #ifndef MIN |
561 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
562 | #endif | |
563 | ||
564 | #ifndef MAX | |
565 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
566 | #endif | |
567 | ||
d41c7d02 DD |
568 | #ifndef MAXHOSTNAMELEN |
569 | #define MAXHOSTNAMELEN 256 | |
570 | #endif | |
571 | ||
c627d613 | 572 | #define SUM_LENGTH 16 |
195bd906 S |
573 | #define SHORT_SUM_LENGTH 2 |
574 | #define BLOCKSUM_BIAS 10 | |
c627d613 AT |
575 | |
576 | #ifndef MAXPATHLEN | |
577 | #define MAXPATHLEN 1024 | |
578 | #endif | |
579 | ||
a22ca885 WD |
580 | /* We want a roomy line buffer that can hold more than MAXPATHLEN, |
581 | * and significantly more than an overly short MAXPATHLEN. */ | |
582 | #if MAXPATHLEN < 4096 | |
583 | #define BIGPATHBUFLEN (4096+1024) | |
584 | #else | |
585 | #define BIGPATHBUFLEN (MAXPATHLEN+1024) | |
586 | #endif | |
587 | ||
52d3e106 S |
588 | #ifndef NAME_MAX |
589 | #define NAME_MAX 255 | |
590 | #endif | |
591 | ||
0473e2a1 AT |
592 | #ifndef INADDR_NONE |
593 | #define INADDR_NONE 0xffffffff | |
594 | #endif | |
595 | ||
bda41fa5 WD |
596 | #ifndef IN_LOOPBACKNET |
597 | #define IN_LOOPBACKNET 127 | |
598 | #endif | |
599 | ||
1c3344a1 WD |
600 | #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS |
601 | #define ACLS_NEED_MASK 1 | |
602 | #endif | |
603 | ||
5b30412c | 604 | union file_extras { |
bd6edd3f WD |
605 | int32 num; |
606 | uint32 unum; | |
5b30412c WD |
607 | }; |
608 | ||
c627d613 | 609 | struct file_struct { |
2d2414f3 WD |
610 | const char *dirname; /* The dir info inside the transfer */ |
611 | time_t modtime; /* When the item was last modified */ | |
612 | uint32 len32; /* Lowest 32 bits of the file's length */ | |
613 | uint16 mode; /* The item's type and permissions */ | |
614 | uint16 flags; /* The FLAG_* bits for this item */ | |
615 | const char basename[1]; /* The basename (AKA filename) follows */ | |
c627d613 AT |
616 | }; |
617 | ||
99a957d3 | 618 | extern int file_extra_cnt; |
cf2d2665 | 619 | extern int inc_recurse; |
9742b386 WD |
620 | extern int uid_ndx; |
621 | extern int gid_ndx; | |
622 | extern int acls_ndx; | |
623 | extern int xattrs_ndx; | |
b96efc2f | 624 | |
c58c1dc4 | 625 | #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) |
5b30412c | 626 | #define EXTRA_LEN (sizeof (union file_extras)) |
4b163f00 | 627 | #define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN) |
a08979d5 WD |
628 | #define DEV_EXTRA_CNT 2 |
629 | #define DIRNODE_EXTRA_CNT 3 | |
a0456b9c | 630 | #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN) |
96293cf9 | 631 | |
5b30412c | 632 | #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) |
99a957d3 | 633 | #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump)) |
b37b7c99 | 634 | |
96293cf9 | 635 | #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) |
7b46e30f | 636 | #define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0) |
a08979d5 | 637 | #define ACL_BUMP(f) (acls_ndx ? 1 : 0) |
96293cf9 | 638 | |
c58c1dc4 | 639 | /* The length applies to all items. */ |
bf466c0f WD |
640 | #if SIZEOF_INT64 < 8 |
641 | #define F_LENGTH(f) ((int64)(f)->len32) | |
642 | #else | |
643 | #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \ | |
644 | ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0)) | |
645 | #endif | |
82ad07c4 | 646 | |
96293cf9 | 647 | /* If there is a symlink string, it is always right after the basename */ |
c58c1dc4 | 648 | #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) |
82ad07c4 | 649 | |
bd6edd3f | 650 | /* The sending side always has this available: */ |
4b163f00 | 651 | #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT)) |
bd6edd3f WD |
652 | |
653 | /* The receiving side always has this available: */ | |
654 | #define F_DEPTH(f) REQ_EXTRA(f, 1)->num | |
655 | ||
96293cf9 | 656 | /* When the associated option is on, all entries will have these present: */ |
9742b386 WD |
657 | #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum |
658 | #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum | |
659 | #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num | |
660 | #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num | |
f7a76b9c | 661 | #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num |
82ad07c4 | 662 | |
a08979d5 WD |
663 | /* These items are per-entry optional: */ |
664 | #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */ | |
cf2d2665 | 665 | #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f)+inc_recurse)->num /* non-dirs */ |
a08979d5 WD |
666 | #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) \ |
667 | + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */ | |
54410882 | 668 | #define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + DIRNODE_EXTRA_CNT \ |
4b163f00 | 669 | + PTR_EXTRA_CNT - 1)->num) /* sender dirs */ |
a08979d5 WD |
670 | #define F_DIR_DEFACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum /* receiver dirs */ |
671 | #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + ACL_BUMP(f) \ | |
672 | + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */ | |
82ad07c4 | 673 | |
b37b7c99 WD |
674 | /* This optional item might follow an F_HL_*() item. |
675 | * (Note: a device doesn't need to check LEN64_BUMP(f).) */ | |
b258ebf8 | 676 | #define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum) |
82ad07c4 | 677 | |
96293cf9 | 678 | /* The sum is only present on regular files. */ |
a08979d5 WD |
679 | #define F_SUM(f) ((char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \ |
680 | + SUM_EXTRA_CNT - 1)) | |
96293cf9 | 681 | |
b37b7c99 | 682 | /* Some utility defines: */ |
c58c1dc4 | 683 | #define F_IS_ACTIVE(f) (f)->basename[0] |
bfd31372 | 684 | #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) |
5bb73485 | 685 | |
b7cfb9e2 WD |
686 | #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST) |
687 | #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST) | |
96293cf9 | 688 | |
4b163f00 | 689 | /* These access the F_DIR_DEV_P() and F_RDEV_P() values: */ |
b37b7c99 WD |
690 | #define DEV_MAJOR(a) (a)[0] |
691 | #define DEV_MINOR(a) (a)[1] | |
692 | ||
4b163f00 | 693 | /* These access the F_DIRS_NODE_P() values: */ |
9ec3828b WD |
694 | #define DIR_PARENT(a) (a)[0] |
695 | #define DIR_FIRST_CHILD(a) (a)[1] | |
696 | #define DIR_NEXT_SIBLING(a) (a)[2] | |
697 | ||
96293cf9 WD |
698 | /* |
699 | * Start the flist array at FLIST_START entries and grow it | |
700 | * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR | |
701 | */ | |
702 | #define FLIST_START (32 * 1024) | |
703 | #define FLIST_LINEAR (FLIST_START * 512) | |
82ad07c4 | 704 | |
9935066b | 705 | /* |
82ad07c4 | 706 | * Extent size for allocation pools: A minimum size of 128KB |
9935066b S |
707 | * is needed to mmap them so that freeing will release the |
708 | * space to the OS. | |
709 | * | |
710 | * Larger sizes reduce leftover fragments and speed free calls | |
82ad07c4 | 711 | * (when they happen). Smaller sizes increase the chance of |
9935066b S |
712 | * freed allocations freeing whole extents. |
713 | */ | |
f5ba7bfb WD |
714 | #define NORMAL_EXTENT (256 * 1024) |
715 | #define SMALL_EXTENT (128 * 1024) | |
9935066b | 716 | |
9ec3828b WD |
717 | #define FLIST_TEMP (1<<1) |
718 | ||
c627d613 | 719 | struct file_list { |
9ec3828b | 720 | struct file_list *next, *prev; |
332cf6df | 721 | struct file_struct **files, **sorted; |
9935066b | 722 | alloc_pool_t file_pool; |
f5ba7bfb | 723 | void *pool_boundary; |
9decb4d2 WD |
724 | int used, malloced; |
725 | int low, high; /* 0-relative index values excluding empties */ | |
726 | int ndx_start; /* the start offset for inc_recurse mode */ | |
65b4e4b2 | 727 | int flist_num; /* 1-relative file_list number or 0 */ |
9ec3828b WD |
728 | int parent_ndx; /* dir_flist index of parent directory */ |
729 | int in_progress, to_redo; | |
c627d613 AT |
730 | }; |
731 | ||
a3221d2a WD |
732 | #define SUMFLG_SAME_OFFSET (1<<0) |
733 | ||
c627d613 | 734 | struct sum_buf { |
6ded1170 | 735 | OFF_T offset; /**< offset in file of this chunk */ |
a06b419d | 736 | int32 len; /**< length of chunk of file */ |
6ded1170 | 737 | uint32 sum1; /**< simple checksum */ |
d733de97 | 738 | int32 chain; /**< next hash-table collision */ |
a3221d2a | 739 | short flags; /**< flag bits */ |
6ded1170 | 740 | char sum2[SUM_LENGTH]; /**< checksum */ |
c627d613 AT |
741 | }; |
742 | ||
743 | struct sum_struct { | |
6ded1170 | 744 | OFF_T flength; /**< total file length */ |
2b2ea368 | 745 | struct sum_buf *sums; /**< points to info for each chunk */ |
15859584 | 746 | int32 count; /**< how many chunks */ |
a06b419d WD |
747 | int32 blength; /**< block_length */ |
748 | int32 remainder; /**< flength % block_length */ | |
da9d12f5 | 749 | int s2length; /**< sum2_length */ |
c627d613 AT |
750 | }; |
751 | ||
c6e7fcb4 | 752 | struct map_struct { |
6a7cc46c S |
753 | OFF_T file_size; /* File size (from stat) */ |
754 | OFF_T p_offset; /* Window start */ | |
755 | OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */ | |
2b2ea368 WD |
756 | char *p; /* Window pointer */ |
757 | int32 p_size; /* Largest window size we allocated */ | |
758 | int32 p_len; /* Latest (rounded) window size */ | |
759 | int32 def_window_size; /* Default window size */ | |
760 | int fd; /* File Descriptor */ | |
761 | int status; /* first errno from read errors */ | |
c6e7fcb4 | 762 | }; |
c627d613 | 763 | |
e2d22fee WD |
764 | #define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */ |
765 | #define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */ | |
685517ab WD |
766 | #define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */ |
767 | #define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */ | |
768 | #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */ | |
769 | #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */ | |
770 | #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */ | |
46fa6025 WD |
771 | #define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */ |
772 | #define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */ | |
773 | #define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */ | |
774 | #define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */ | |
775 | #define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */ | |
776 | #define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */ | |
777 | #define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */ | |
53b417e4 WD |
778 | #define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */ |
779 | #define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */ | |
a427e893 WD |
780 | #define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */ |
781 | #define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */ | |
685517ab | 782 | #define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */ |
c0f1e57b | 783 | #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */ |
7c8e23bd | 784 | |
3b2461cf | 785 | #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \ |
a427e893 | 786 | | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \ |
c0f1e57b WD |
787 | | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \ |
788 | | MATCHFLG_PERISHABLE) | |
3b2461cf | 789 | |
7842418b WD |
790 | struct filter_struct { |
791 | struct filter_struct *next; | |
2b6b4d53 | 792 | char *pattern; |
53b417e4 | 793 | uint32 match_flags; |
46fa6025 WD |
794 | union { |
795 | int slash_cnt; | |
7842418b | 796 | struct filter_list_struct *mergelist; |
46fa6025 | 797 | } u; |
2b6b4d53 AT |
798 | }; |
799 | ||
7842418b WD |
800 | struct filter_list_struct { |
801 | struct filter_struct *head; | |
802 | struct filter_struct *tail; | |
ac1d2d33 | 803 | char *debug_type; |
63d03319 WD |
804 | }; |
805 | ||
a800434a AT |
806 | struct stats { |
807 | int64 total_size; | |
808 | int64 total_transferred_size; | |
809 | int64 total_written; | |
810 | int64 total_read; | |
811 | int64 literal_data; | |
812 | int64 matched_data; | |
d4198823 WD |
813 | int64 flist_buildtime; |
814 | int64 flist_xfertime; | |
604dbf6d | 815 | int64 flist_size; |
a800434a AT |
816 | int num_files; |
817 | int num_transferred_files; | |
818 | }; | |
819 | ||
f7bce90c | 820 | struct chmod_mode_struct; |
2b6b4d53 | 821 | |
1c3344a1 WD |
822 | #define EMPTY_ITEM_LIST {NULL, 0, 0} |
823 | ||
824 | typedef struct { | |
825 | void *items; | |
826 | size_t count; | |
827 | size_t malloced; | |
828 | } item_list; | |
829 | ||
830 | #define EXPAND_ITEM_LIST(lp, type, incr) \ | |
831 | (type*)expand_item_list(lp, sizeof (type), #type, incr) | |
832 | ||
2ac081ff WD |
833 | #define EMPTY_XBUF {NULL, 0, 0, 0} |
834 | ||
835 | typedef struct { | |
836 | char *buf; | |
837 | size_t pos; /* pos = read pos in the buf */ | |
838 | size_t len; /* len = chars following pos */ | |
839 | size_t size; /* size = total space in buf */ | |
840 | } xbuf; | |
841 | ||
842 | #define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0 | |
843 | #define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (-1), (xb).pos = 0 | |
844 | /* This one is used to make an output xbuf based on a char[] buffer: */ | |
845 | #define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0 | |
846 | ||
847 | #define ICB_EXPAND_OUT (1<<0) | |
848 | #define ICB_INCLUDE_BAD (1<<1) | |
849 | #define ICB_INCLUDE_INCOMPLETE (1<<2) | |
850 | ||
851 | #define RL_EOL_NULLS (1<<0) | |
852 | #define RL_DUMP_COMMENTS (1<<1) | |
853 | #define RL_CONVERT (1<<2) | |
854 | ||
54410882 | 855 | typedef struct { |
c73f2a38 | 856 | char name_type; |
54410882 WD |
857 | char fname[1]; /* has variable size */ |
858 | } relnamecache; | |
859 | ||
c627d613 | 860 | #include "byteorder.h" |
a0456b9c | 861 | #include "lib/mdigest.h" |
87f18b62 | 862 | #include "lib/wildmatch.h" |
740819ef | 863 | #include "lib/permstring.h" |
e20a4f84 | 864 | #include "lib/addrinfo.h" |
0de40240 | 865 | |
2b916250 | 866 | #ifndef __GNUC__ |
4ea58045 | 867 | #define __attribute__(x) |
1b896f8d | 868 | #else |
7de7b49f WD |
869 | # if __GNUC__ <= 2 |
870 | # define NORETURN | |
871 | # endif | |
4ea58045 WD |
872 | #endif |
873 | ||
90b13cf6 | 874 | #define UNUSED(x) x __attribute__((__unused__)) |
7de7b49f | 875 | #ifndef NORETURN |
011e85a5 | 876 | #define NORETURN __attribute__((__noreturn__)) |
7de7b49f | 877 | #endif |
90b13cf6 | 878 | |
1c3344a1 WD |
879 | typedef struct { |
880 | STRUCT_STAT st; | |
881 | #ifdef SUPPORT_ACLS | |
882 | struct rsync_acl *acc_acl; /* access ACL */ | |
883 | struct rsync_acl *def_acl; /* default ACL */ | |
884 | #endif | |
16edf865 WD |
885 | #ifdef SUPPORT_XATTRS |
886 | item_list *xattr; | |
887 | #endif | |
13710874 | 888 | } stat_x; |
1c3344a1 WD |
889 | |
890 | #define ACL_READY(sx) ((sx).acc_acl != NULL) | |
16edf865 | 891 | #define XATTR_READY(sx) ((sx).xattr != NULL) |
1c3344a1 | 892 | |
58c29609 MP |
893 | #include "proto.h" |
894 | ||
9439c0cb WD |
895 | #ifndef SUPPORT_XATTRS |
896 | #define x_stat(fn,fst,xst) do_stat(fn,fst) | |
897 | #define x_lstat(fn,fst,xst) do_lstat(fn,fst) | |
898 | #define x_fstat(fd,fst,xst) do_fstat(fd,fst) | |
899 | #endif | |
900 | ||
0de40240 | 901 | /* We have replacement versions of these if they're missing. */ |
4f5b0756 | 902 | #ifndef HAVE_ASPRINTF |
0de40240 MP |
903 | int asprintf(char **ptr, const char *format, ...); |
904 | #endif | |
905 | ||
4f5b0756 | 906 | #ifndef HAVE_VASPRINTF |
0de40240 MP |
907 | int vasprintf(char **ptr, const char *format, va_list ap); |
908 | #endif | |
909 | ||
4f5b0756 | 910 | #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e WD |
911 | #define vsnprintf rsync_vsnprintf |
912 | int vsnprintf(char *str, size_t count, const char *fmt, va_list args); | |
0de40240 MP |
913 | #endif |
914 | ||
4f5b0756 | 915 | #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e | 916 | #define snprintf rsync_snprintf |
82ad07c4 | 917 | int snprintf(char *str, size_t count, const char *fmt,...); |
0de40240 MP |
918 | #endif |
919 | ||
920 | ||
4f5b0756 | 921 | #ifndef HAVE_STRERROR |
c627d613 AT |
922 | extern char *sys_errlist[]; |
923 | #define strerror(i) sys_errlist[i] | |
924 | #endif | |
925 | ||
4f5b0756 | 926 | #ifndef HAVE_STRCHR |
c627d613 AT |
927 | # define strchr index |
928 | # define strrchr rindex | |
929 | #endif | |
930 | ||
4f5b0756 | 931 | #ifndef HAVE_ERRNO_DECL |
c627d613 AT |
932 | extern int errno; |
933 | #endif | |
934 | ||
9a929c8f WD |
935 | #ifdef HAVE_READLINK |
936 | #define SUPPORT_LINKS 1 | |
937 | #endif | |
938 | #ifdef HAVE_LINK | |
939 | #define SUPPORT_HARD_LINKS 1 | |
940 | #endif | |
c627d613 | 941 | |
5173f99e | 942 | #ifdef HAVE_SIGACTION |
90b13cf6 WD |
943 | #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL) |
944 | #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h) | |
945 | #else | |
946 | #define SIGACTION(n,h) signal(n,h) | |
947 | #endif | |
720b47f2 AT |
948 | |
949 | #ifndef EWOULDBLOCK | |
950 | #define EWOULDBLOCK EAGAIN | |
951 | #endif | |
182dca5c | 952 | |
7b8356d0 AT |
953 | #ifndef STDIN_FILENO |
954 | #define STDIN_FILENO 0 | |
955 | #endif | |
956 | ||
957 | #ifndef STDOUT_FILENO | |
958 | #define STDOUT_FILENO 1 | |
959 | #endif | |
960 | ||
961 | #ifndef STDERR_FILENO | |
962 | #define STDERR_FILENO 2 | |
963 | #endif | |
964 | ||
8120a98f WD |
965 | #ifndef S_IRUSR |
966 | #define S_IRUSR 0400 | |
967 | #endif | |
968 | ||
7b8356d0 AT |
969 | #ifndef S_IWUSR |
970 | #define S_IWUSR 0200 | |
971 | #endif | |
972 | ||
b0d791bb PG |
973 | #ifndef ACCESSPERMS |
974 | #define ACCESSPERMS 0777 | |
975 | #endif | |
976 | ||
977 | #ifndef S_ISVTX | |
978 | #define S_ISVTX 0 | |
979 | #endif | |
980 | ||
981 | #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS) | |
982 | ||
b280a1f4 AT |
983 | #ifndef _S_IFMT |
984 | #define _S_IFMT 0170000 | |
985 | #endif | |
986 | ||
987 | #ifndef _S_IFLNK | |
988 | #define _S_IFLNK 0120000 | |
989 | #endif | |
990 | ||
991 | #ifndef S_ISLNK | |
992 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
993 | #endif | |
994 | ||
1e9f155a AT |
995 | #ifndef S_ISBLK |
996 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
997 | #endif | |
998 | ||
999 | #ifndef S_ISCHR | |
1000 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
1001 | #endif | |
1002 | ||
a0b65b18 AT |
1003 | #ifndef S_ISSOCK |
1004 | #ifdef _S_IFSOCK | |
1005 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
1006 | #else | |
1007 | #define S_ISSOCK(mode) (0) | |
1008 | #endif | |
1009 | #endif | |
1010 | ||
1011 | #ifndef S_ISFIFO | |
1012 | #ifdef _S_IFIFO | |
1013 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
1014 | #else | |
1015 | #define S_ISFIFO(mode) (0) | |
1016 | #endif | |
1017 | #endif | |
1018 | ||
1e9f155a AT |
1019 | #ifndef S_ISDIR |
1020 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
1021 | #endif | |
1022 | ||
1023 | #ifndef S_ISREG | |
1024 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
1025 | #endif | |
1026 | ||
f0359dd0 AT |
1027 | /* work out what fcntl flag to use for non-blocking */ |
1028 | #ifdef O_NONBLOCK | |
1029 | # define NONBLOCK_FLAG O_NONBLOCK | |
4f5b0756 | 1030 | #elif defined SYSV |
f0359dd0 | 1031 | # define NONBLOCK_FLAG O_NDELAY |
d622d4bf | 1032 | #else |
f0359dd0 AT |
1033 | # define NONBLOCK_FLAG FNDELAY |
1034 | #endif | |
1035 | ||
d79c77ca MP |
1036 | #ifndef INADDR_LOOPBACK |
1037 | #define INADDR_LOOPBACK 0x7f000001 | |
1038 | #endif | |
1039 | ||
1040 | #ifndef INADDR_NONE | |
1041 | #define INADDR_NONE 0xffffffff | |
1042 | #endif | |
a0b65b18 | 1043 | |
b5c6a6ae WD |
1044 | #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode)) |
1045 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode)) | |
7bec6a5c | 1046 | |
5afd8aed DD |
1047 | /* Initial mask on permissions given to temporary files. Mask off setuid |
1048 | bits and group access because of potential race-condition security | |
1049 | holes, and mask other access because mode 707 is bizarre */ | |
972a3619 | 1050 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
1051 | |
1052 | /* handler for null strings in printf format */ | |
0ee6ca98 | 1053 | #define NS(s) ((s)?(s):"<NULL>") |
e08bfe12 | 1054 | |
58cadc86 | 1055 | /* Convenient wrappers for malloc and realloc. Use them. */ |
a4431563 WD |
1056 | #define new(type) ((type*)malloc(sizeof (type))) |
1057 | #define new0(type) ((type*)calloc(1, sizeof (type))) | |
1058 | #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0)) | |
1059 | #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1)) | |
1060 | #define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num))) | |
fb859e56 | 1061 | |
e08bfe12 | 1062 | /* use magic gcc attributes to catch format errors */ |
ff41a59f | 1063 | void rprintf(enum logcode , const char *, ...) |
fb859e56 | 1064 | __attribute__((format (printf, 2, 3))) |
e08bfe12 | 1065 | ; |
7b3d4257 | 1066 | |
a039749b MP |
1067 | /* This is just like rprintf, but it also tries to print some |
1068 | * representation of the error code. Normally errcode = errno. */ | |
1069 | void rsyserr(enum logcode, int, const char *, ...) | |
fb859e56 | 1070 | __attribute__((format (printf, 3, 4))) |
a039749b MP |
1071 | ; |
1072 | ||
afbcc8f2 WD |
1073 | /* Make sure that the O_BINARY flag is defined. */ |
1074 | #ifndef O_BINARY | |
1075 | #define O_BINARY 0 | |
1076 | #endif | |
5a788ade | 1077 | |
4f5b0756 | 1078 | #ifndef HAVE_STRLCPY |
5a788ade AT |
1079 | size_t strlcpy(char *d, const char *s, size_t bufsize); |
1080 | #endif | |
1081 | ||
4f5b0756 | 1082 | #ifndef HAVE_STRLCAT |
5a788ade AT |
1083 | size_t strlcat(char *d, const char *s, size_t bufsize); |
1084 | #endif | |
1085 | ||
82980a23 AT |
1086 | #ifndef WEXITSTATUS |
1087 | #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF)) | |
1088 | #endif | |
47b032e9 WD |
1089 | #ifndef WIFEXITED |
1090 | #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0) | |
1091 | #endif | |
82980a23 | 1092 | |
a9766ef1 | 1093 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |
eecd22ff | 1094 | |
4f5b0756 | 1095 | #ifdef HAVE_GETEUID |
b2bffbb2 WD |
1096 | #define MY_UID() geteuid() |
1097 | #else | |
1098 | #define MY_UID() getuid() | |
1099 | #endif | |
1100 | ||
4f5b0756 | 1101 | #ifdef HAVE_GETEGID |
b2bffbb2 WD |
1102 | #define MY_GID() getegid() |
1103 | #else | |
1104 | #define MY_GID() getgid() | |
1105 | #endif | |
eecd22ff | 1106 | |
6d4e718f | 1107 | extern int verbose; |
d5d4b282 | 1108 | |
4f5b0756 | 1109 | #ifndef HAVE_INET_NTOP |
d622d4bf | 1110 | const char *inet_ntop(int af, const void *src, char *dst, size_t size); |
4f5b0756 | 1111 | #endif |
8f694072 | 1112 | |
4f5b0756 | 1113 | #ifndef HAVE_INET_PTON |
bda41fa5 | 1114 | int inet_pton(int af, const char *src, void *dst); |
8f694072 | 1115 | #endif |
0f0ea7f7 | 1116 | |
f4a0483a MP |
1117 | #ifdef MAINTAINER_MODE |
1118 | const char *get_panic_action(void); | |
1119 | #endif |