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> | |
d3d07a5e | 5 | * Copyright (C) 2003-2008 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 | ||
41adbcec | 35 | #define SYMLINK_PREFIX "/rsyncd-munged/" /* This MUST have a trailing slash! */ |
9585b276 WD |
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) */ | |
8b3e6052 | 63 | #define XMIT_IO_ERROR_ENDLIST (1<<12) /* protocols 31 - now (w/XMIT_EXTENDED_FLAGS) */ |
1a2e41af | 64 | #define XMIT_MOD_NSEC (1<<13) /* protocols 31 - now */ |
a5f9cff2 WD |
65 | |
66 | /* These flags are used in the live flist data. */ | |
67 | ||
82ad07c4 | 68 | #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ |
9ec3828b | 69 | #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */ |
48a481c4 | 70 | #define FLAG_DIR_CREATED (1<<1) /* generator */ |
ae11e4ee | 71 | #define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */ |
c9b62cf3 WD |
72 | #define FLAG_MOUNT_DIR (1<<3) /* sender/generator (dirs only) */ |
73 | #define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */ | |
505c0579 | 74 | #define FLAG_DUPLICATE (1<<4) /* sender */ |
96293cf9 | 75 | #define FLAG_MISSING_DIR (1<<4) /* generator */ |
ae11e4ee WD |
76 | #define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */ |
77 | #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */ | |
78 | #define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */ | |
82ad07c4 | 79 | #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ |
ae11e4ee | 80 | #define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */ |
bfd31372 | 81 | #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */ |
ff2001b9 | 82 | #define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */ |
1ed56a05 | 83 | #define FLAG_TIME_FAILED (1<<11)/* generator */ |
1a2e41af | 84 | #define FLAG_MOD_NSEC (1<<12) /* sender/receiver/generator */ |
bfd31372 | 85 | |
9ec3828b WD |
86 | /* These flags are passed to functions but not stored. */ |
87 | ||
88 | #define FLAG_DIVERT_DIRS (1<<16)/* sender */ | |
89 | ||
bfd31372 WD |
90 | #define BITS_SET(val,bits) (((val) & (bits)) == (bits)) |
91 | #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits)) | |
0a62f5f3 WD |
92 | #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \ |
93 | == ((unsigned)(b2) & (unsigned)(mask))) | |
520cf417 | 94 | |
c627d613 | 95 | /* update this if you make incompatible changes */ |
8b3e6052 | 96 | #define PROTOCOL_VERSION 31 |
063393d6 | 97 | |
4471d9e5 WD |
98 | /* This is used when working on a new protocol version in CVS, and should |
99 | * be a new non-zero value for each CVS change that affects the protocol. | |
8b3e6052 | 100 | * It must ALWAYS be 0 when the protocol goes final (and NEVER before)! */ |
1a2e41af | 101 | #define SUBPROTOCOL_VERSION 7 |
4471d9e5 | 102 | |
063393d6 MP |
103 | /* We refuse to interoperate with versions that are not in this range. |
104 | * Note that we assume we'll work with later versions: the onus is on | |
105 | * people writing them to make sure that they don't send us anything | |
106 | * we won't understand. | |
107 | * | |
1b2db7ae S |
108 | * Interoperation with old but supported protocol versions |
109 | * should cause a warning to be printed. At a future date | |
110 | * the old protocol will become the minimum and | |
111 | * compatibility code removed. | |
112 | * | |
91c4da3f S |
113 | * There are two possible explanations for the limit at |
114 | * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that | |
115 | * do not interoperate with us, and (more likely) so that we can | |
116 | * detect an attempt to connect rsync to a non-rsync server, which is | |
117 | * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and | |
118 | * MAX_PROTOCOL_VERSION. */ | |
119 | ||
3e491682 S |
120 | #define MIN_PROTOCOL_VERSION 20 |
121 | #define OLD_PROTOCOL_VERSION 25 | |
1b2db7ae | 122 | #define MAX_PROTOCOL_VERSION 40 |
c627d613 | 123 | |
ce827c3e WD |
124 | #define MIN_FILECNT_LOOKAHEAD 1000 |
125 | #define MAX_FILECNT_LOOKAHEAD 10000 | |
3831f063 | 126 | |
9486289c AT |
127 | #define RSYNC_PORT 873 |
128 | ||
d867229b | 129 | #define SPARSE_WRITE_SIZE (1024) |
dc5ddbcc | 130 | #define WRITE_SIZE (32*1024) |
34ccb63e | 131 | #define CHUNK_SIZE (32*1024) |
61542c41 | 132 | #define MAX_MAP_SIZE (256*1024) |
e3fe383a | 133 | #define IO_BUFFER_SIZE (4092) |
4c17cdcb | 134 | #define MAX_BLOCK_SIZE ((int32)1 << 17) |
c627d613 | 135 | |
8bd77e70 WD |
136 | /* For compatibility with older rsyncs */ |
137 | #define OLD_MAX_BLOCK_SIZE ((int32)1 << 29) | |
138 | ||
e2d22fee WD |
139 | #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */ |
140 | #define IOERR_VANISHED (1<<1) | |
ff3d3c32 | 141 | #define IOERR_DEL_LIMIT (1<<2) |
e2d22fee | 142 | |
874895d5 | 143 | #define MAX_ARGS 1000 |
e4977b0b | 144 | #define MAX_BASIS_DIRS 20 |
c296031d | 145 | #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100) |
e4977b0b | 146 | |
8d9dc9f9 | 147 | #define MPLEX_BASE 7 |
ff41a59f | 148 | |
7842418b WD |
149 | #define NO_FILTERS 0 |
150 | #define SERVER_FILTERS 1 | |
151 | #define ALL_FILTERS 2 | |
4762db4f | 152 | |
753b6b46 | 153 | #define XFLG_FATAL_ERRORS (1<<0) |
3b2461cf | 154 | #define XFLG_OLD_PREFIXES (1<<1) |
f5aeb6ff WD |
155 | #define XFLG_ANCHORED2ABS (1<<2) /* leading slash indicates absolute */ |
156 | #define XFLG_ABS_IF_SLASH (1<<3) /* leading or interior slash is absolute */ | |
157 | #define XFLG_DIR2WILD3 (1<<4) /* dir/ match gets trailing *** added */ | |
4762db4f | 158 | |
8eda7a4b WD |
159 | #define ATTRS_REPORT (1<<0) |
160 | #define ATTRS_SKIP_MTIME (1<<1) | |
5c6fc4a6 | 161 | |
419896af WD |
162 | #define FULL_FLUSH 1 |
163 | #define NORMAL_FLUSH 0 | |
164 | ||
a7260c40 WD |
165 | #define PDIR_CREATE 1 |
166 | #define PDIR_DELETE 0 | |
167 | ||
e341588a WD |
168 | /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */ |
169 | #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */ | |
170 | #define FNAMECMP_BASIS_DIR_HIGH 0x7F | |
41cfde6b WD |
171 | #define FNAMECMP_FNAME 0x80 |
172 | #define FNAMECMP_PARTIAL_DIR 0x81 | |
173 | #define FNAMECMP_BACKUP 0x82 | |
0dd046d3 | 174 | #define FNAMECMP_FUZZY 0x83 |
41cfde6b | 175 | |
0cc279e0 | 176 | /* For use by the itemize_changes code */ |
b3222792 | 177 | #define ITEM_REPORT_ATIME (1<<0) |
1ed9018e WD |
178 | #define ITEM_REPORT_CHANGE (1<<1) |
179 | #define ITEM_REPORT_SIZE (1<<2) /* regular files only */ | |
180 | #define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */ | |
0cc279e0 WD |
181 | #define ITEM_REPORT_TIME (1<<3) |
182 | #define ITEM_REPORT_PERMS (1<<4) | |
183 | #define ITEM_REPORT_OWNER (1<<5) | |
184 | #define ITEM_REPORT_GROUP (1<<6) | |
b3222792 WD |
185 | #define ITEM_REPORT_ACL (1<<7) |
186 | #define ITEM_REPORT_XATTR (1<<8) | |
3019a9ba WD |
187 | #define ITEM_BASIS_TYPE_FOLLOWS (1<<11) |
188 | #define ITEM_XNAME_FOLLOWS (1<<12) | |
6d0e5d2e WD |
189 | #define ITEM_IS_NEW (1<<13) |
190 | #define ITEM_LOCAL_CHANGE (1<<14) | |
191 | #define ITEM_TRANSFER (1<<15) | |
d4d4890d | 192 | /* These are outside the range of the transmitted flags. */ |
d4d4890d WD |
193 | #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */ |
194 | #define ITEM_DELETED (1<<17) /* used by log_formatted() */ | |
1e4f5f63 | 195 | #define ITEM_MATCHED (1<<18) /* used by itemize() */ |
0cc279e0 | 196 | |
3019a9ba WD |
197 | #define SIGNIFICANT_ITEM_FLAGS (~(\ |
198 | ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE)) | |
669e7671 | 199 | |
d48810ba | 200 | #define CFN_KEEP_DOT_DIRS (1<<0) |
c73f2a38 WD |
201 | #define CFN_KEEP_TRAILING_SLASH (1<<1) |
202 | #define CFN_DROP_TRAILING_DOT_DIR (1<<2) | |
203 | #define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3) | |
df0054ab | 204 | |
d48810ba WD |
205 | #define SP_DEFAULT 0 |
206 | #define SP_KEEP_DOT_DIRS (1<<0) | |
207 | ||
29a89172 WD |
208 | #define CD_NORMAL 0 |
209 | #define CD_SKIP_CHDIR 1 | |
210 | ||
3f0211b6 WD |
211 | /* Log-message categories. FLOG only goes to the log file, not the client; |
212 | * FCLIENT is the opposite. */ | |
213 | enum logcode { | |
214 | FNONE=0, /* never sent */ | |
215 | FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */ | |
216 | FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */ | |
217 | FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */ | |
7c7462cd | 218 | FERROR_UTF8=8, /* only sent via receiver -> generator pipe */ |
3f0211b6 WD |
219 | FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */ |
220 | }; | |
419896af WD |
221 | |
222 | /* Messages types that are sent over the message channel. The logcode | |
223 | * values must all be present here with identical numbers. */ | |
224 | enum msgcode { | |
1dcf3b43 | 225 | MSG_DATA=0, /* raw data on the multiplexed stream */ |
3f0211b6 WD |
226 | MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */ |
227 | MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */ | |
228 | MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */ | |
7c7462cd | 229 | MSG_ERROR_UTF8=FERROR_UTF8, /* sibling logging */ |
3f0211b6 | 230 | MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */ |
1dcf3b43 | 231 | MSG_REDO=9, /* reprocess indicated flist index */ |
bc40a305 | 232 | MSG_DEL_STATS=10,/* delete-statistics data follows */ |
9ec3828b WD |
233 | MSG_FLIST=20, /* extra file list over sibling socket */ |
234 | MSG_FLIST_EOF=21,/* we've transmitted all the file lists */ | |
235 | MSG_IO_ERROR=22,/* the sending side had an I/O error */ | |
236 | MSG_NOOP=42, /* a do-nothing message */ | |
1dcf3b43 WD |
237 | MSG_SUCCESS=100,/* successfully updated indicated flist index */ |
238 | MSG_DELETED=101,/* successfully deleted a file on receiving side */ | |
9ec3828b | 239 | MSG_NO_SEND=102,/* sender failed to open a file we wanted */ |
1dcf3b43 | 240 | MSG_DONE=86 /* current phase is done */ |
419896af | 241 | }; |
7bec6a5c | 242 | |
82ad07c4 | 243 | #define NDX_DONE -1 |
9ec3828b | 244 | #define NDX_FLIST_EOF -2 |
bc40a305 | 245 | #define NDX_DEL_STATS -2 |
9ec3828b | 246 | #define NDX_FLIST_OFFSET -101 |
82ad07c4 | 247 | |
974e1819 WD |
248 | /* For calling delete_item() and delete_dir_contents(). */ |
249 | #define DEL_NO_UID_WRITE (1<<0) /* file/dir has our uid w/o write perm */ | |
250 | #define DEL_RECURSE (1<<1) /* if dir, delete all contents */ | |
251 | #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */ | |
252 | #define DEL_FOR_FILE (1<<3) /* making room for a replacement file */ | |
253 | #define DEL_FOR_DIR (1<<4) /* making room for a replacement dir */ | |
254 | #define DEL_FOR_SYMLINK (1<<5) /* making room for a replacement symlink */ | |
255 | #define DEL_FOR_DEVICE (1<<6) /* making room for a replacement device */ | |
256 | #define DEL_FOR_SPECIAL (1<<7) /* making room for a replacement special */ | |
21cddef2 | 257 | #define DEL_FOR_BACKUP (1<<8) /* the delete is for a backup operation */ |
974e1819 WD |
258 | |
259 | #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL) | |
260 | ||
261 | enum delret { | |
262 | DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY | |
263 | }; | |
264 | ||
3696674b WD |
265 | /* Defines for make_path() */ |
266 | #define MKP_DROP_NAME (1<<0) /* drop trailing filename or trailing slash */ | |
267 | #define MKP_SKIP_SLASH (1<<1) /* skip one or more leading slashes */ | |
268 | ||
65417579 AT |
269 | #include "errcode.h" |
270 | ||
c627d613 AT |
271 | #include "config.h" |
272 | ||
e3217f14 | 273 | /* The default RSYNC_RSH is always set in config.h. */ |
24d95c03 | 274 | |
c627d613 | 275 | #include <stdio.h> |
4f5b0756 | 276 | #ifdef HAVE_SYS_TYPES_H |
e95538ca WD |
277 | # include <sys/types.h> |
278 | #endif | |
4f5b0756 | 279 | #ifdef HAVE_SYS_STAT_H |
e95538ca WD |
280 | # include <sys/stat.h> |
281 | #endif | |
4f5b0756 | 282 | #ifdef STDC_HEADERS |
e95538ca WD |
283 | # include <stdlib.h> |
284 | # include <stddef.h> | |
285 | #else | |
4f5b0756 | 286 | # ifdef HAVE_STDLIB_H |
e95538ca WD |
287 | # include <stdlib.h> |
288 | # endif | |
289 | #endif | |
4f5b0756 WD |
290 | #ifdef HAVE_STRING_H |
291 | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H | |
e95538ca WD |
292 | # include <memory.h> |
293 | # endif | |
294 | # include <string.h> | |
295 | #endif | |
4f5b0756 | 296 | #ifdef HAVE_STRINGS_H |
e95538ca WD |
297 | # include <strings.h> |
298 | #endif | |
2d2414f3 WD |
299 | #ifdef HAVE_INTTYPES_H |
300 | # include <inttypes.h> | |
301 | #endif | |
b4b24520 WD |
302 | #ifdef HAVE_STDINT_H |
303 | # include <stdint.h> | |
304 | #endif | |
4f5b0756 | 305 | #ifdef HAVE_UNISTD_H |
e95538ca | 306 | # include <unistd.h> |
c627d613 AT |
307 | #endif |
308 | ||
4f5b0756 | 309 | #ifdef HAVE_SYS_PARAM_H |
e95538ca | 310 | #include <sys/param.h> |
38b02c13 | 311 | #endif |
59192f56 | 312 | |
4f5b0756 | 313 | #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H) |
59192f56 | 314 | #include <malloc.h> |
d7b305fd AT |
315 | #endif |
316 | ||
4f5b0756 | 317 | #ifdef HAVE_SYS_SOCKET_H |
fdd71e17 AT |
318 | #include <sys/socket.h> |
319 | #endif | |
320 | ||
4f5b0756 | 321 | #ifdef TIME_WITH_SYS_TIME |
c627d613 AT |
322 | #include <sys/time.h> |
323 | #include <time.h> | |
324 | #else | |
4f5b0756 | 325 | #ifdef HAVE_SYS_TIME_H |
c627d613 AT |
326 | #include <sys/time.h> |
327 | #else | |
328 | #include <time.h> | |
329 | #endif | |
330 | #endif | |
331 | ||
4f5b0756 | 332 | #ifdef HAVE_FCNTL_H |
c627d613 AT |
333 | #include <fcntl.h> |
334 | #else | |
4f5b0756 | 335 | #ifdef HAVE_SYS_FCNTL_H |
c627d613 AT |
336 | #include <sys/fcntl.h> |
337 | #endif | |
338 | #endif | |
339 | ||
4f5b0756 | 340 | #ifdef HAVE_SYS_IOCTL_H |
94481d91 AT |
341 | #include <sys/ioctl.h> |
342 | #endif | |
343 | ||
4f5b0756 | 344 | #ifdef HAVE_SYS_FILIO_H |
94481d91 AT |
345 | #include <sys/filio.h> |
346 | #endif | |
347 | ||
c627d613 | 348 | #include <signal.h> |
4f5b0756 | 349 | #ifdef HAVE_SYS_WAIT_H |
c627d613 AT |
350 | #include <sys/wait.h> |
351 | #endif | |
4f5b0756 | 352 | #ifdef HAVE_CTYPE_H |
c627d613 AT |
353 | #include <ctype.h> |
354 | #endif | |
4f5b0756 | 355 | #ifdef HAVE_GRP_H |
c627d613 AT |
356 | #include <grp.h> |
357 | #endif | |
358 | #include <errno.h> | |
359 | ||
4f5b0756 | 360 | #ifdef HAVE_UTIME_H |
c627d613 AT |
361 | #include <utime.h> |
362 | #endif | |
363 | ||
1a2e41af | 364 | #if defined HAVE_UTIMENSAT || defined HAVE_LUTIMES |
accc091f WD |
365 | #define CAN_SET_SYMLINK_TIMES 1 |
366 | #endif | |
367 | ||
4f5b0756 | 368 | #ifdef HAVE_SYS_SELECT_H |
8bf73749 AT |
369 | #include <sys/select.h> |
370 | #endif | |
371 | ||
4f5b0756 | 372 | #ifdef HAVE_SYS_MODE_H |
773f2bd4 | 373 | /* apparently AIX needs this for S_ISLNK */ |
05a6556d | 374 | #ifndef S_ISLNK |
773f2bd4 AT |
375 | #include <sys/mode.h> |
376 | #endif | |
05a6556d | 377 | #endif |
773f2bd4 | 378 | |
f6c34742 AT |
379 | /* these are needed for the uid/gid mapping code */ |
380 | #include <pwd.h> | |
381 | #include <grp.h> | |
382 | ||
9486289c | 383 | #include <stdarg.h> |
f0fca04e AT |
384 | #include <netinet/in.h> |
385 | #include <arpa/inet.h> | |
6e1fa33f | 386 | #ifdef HAVE_NETDB_H |
f0fca04e | 387 | #include <netdb.h> |
6e1fa33f | 388 | #endif |
ff8b29b8 | 389 | #include <syslog.h> |
6c8f5373 | 390 | #include <sys/file.h> |
9486289c | 391 | |
4f5b0756 | 392 | #ifdef HAVE_DIRENT_H |
e8f5b936 AT |
393 | # include <dirent.h> |
394 | #else | |
395 | # define dirent direct | |
4f5b0756 | 396 | # ifdef HAVE_SYS_NDIR_H |
e8f5b936 AT |
397 | # include <sys/ndir.h> |
398 | # endif | |
4f5b0756 | 399 | # ifdef HAVE_SYS_DIR_H |
e8f5b936 AT |
400 | # include <sys/dir.h> |
401 | # endif | |
4f5b0756 | 402 | # ifdef HAVE_NDIR_H |
e8f5b936 AT |
403 | # include <ndir.h> |
404 | # endif | |
405 | #endif | |
406 | ||
4f5b0756 | 407 | #ifdef MAJOR_IN_MKDEV |
c39d6514 | 408 | #include <sys/mkdev.h> |
8a33c406 | 409 | # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) |
73496a36 WD |
410 | # define makedev mkdev |
411 | # endif | |
4f5b0756 | 412 | #elif defined MAJOR_IN_SYSMACROS |
f8ed564c | 413 | #include <sys/sysmacros.h> |
c39d6514 WD |
414 | #endif |
415 | ||
5a3810b4 WD |
416 | #ifdef MAKEDEV_TAKES_3_ARGS |
417 | #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor) | |
418 | #else | |
419 | #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor) | |
420 | #endif | |
421 | ||
4f5b0756 | 422 | #ifdef HAVE_COMPAT_H |
e8f5b936 AT |
423 | #include <compat.h> |
424 | #endif | |
425 | ||
ea8291d8 WD |
426 | #ifdef HAVE_LIMITS_H |
427 | # include <limits.h> | |
428 | #endif | |
429 | ||
49c24071 | 430 | #if defined USE_ICONV_OPEN && defined HAVE_ICONV_H |
332cf6df WD |
431 | #include <iconv.h> |
432 | #ifndef ICONV_CONST | |
433 | #define ICONV_CONST | |
434 | #endif | |
4a1edb63 WD |
435 | #else |
436 | #ifdef ICONV_CONST | |
332cf6df WD |
437 | #undef ICONV_CONST |
438 | #endif | |
21546571 WD |
439 | #ifdef ICONV_OPTION |
440 | #undef ICONV_OPTION | |
441 | #endif | |
4a1edb63 WD |
442 | #ifdef iconv_t |
443 | #undef iconv_t | |
444 | #endif | |
445 | #define iconv_t int | |
446 | #endif | |
332cf6df | 447 | |
1bfbf40b MP |
448 | #include <assert.h> |
449 | ||
9935066b | 450 | #include "lib/pool_alloc.h" |
e8f5b936 | 451 | |
88a74268 | 452 | #ifndef HAVE_ID_T |
d9e92804 | 453 | typedef unsigned int id_t; |
88a74268 WD |
454 | #endif |
455 | #ifndef HAVE_PID_T | |
456 | typedef int pid_t; | |
457 | #endif | |
458 | #ifndef HAVE_MODE_T | |
d9e92804 | 459 | typedef unsigned int mode_t; |
88a74268 WD |
460 | #endif |
461 | #ifndef HAVE_OFF_T | |
462 | typedef long off_t; | |
463 | #endif | |
464 | #ifndef HAVE_SIZE_T | |
465 | typedef unsigned int size_t; | |
466 | #endif | |
467 | ||
f0fca04e AT |
468 | #define BOOL int |
469 | ||
c627d613 AT |
470 | #ifndef uchar |
471 | #define uchar unsigned char | |
472 | #endif | |
473 | ||
4f5b0756 | 474 | #ifdef SIGNED_CHAR_OK |
debb4505 AT |
475 | #define schar signed char |
476 | #else | |
477 | #define schar char | |
478 | #endif | |
479 | ||
2d2414f3 WD |
480 | #ifndef int16 |
481 | #if SIZEOF_INT16_T == 2 | |
482 | # define int16 int16_t | |
483 | #else | |
484 | # define int16 short | |
485 | #endif | |
486 | #endif | |
487 | ||
488 | #ifndef uint16 | |
489 | #if SIZEOF_UINT16_T == 2 | |
490 | # define uint16 uint16_t | |
491 | #else | |
492 | # define uint16 unsigned int16 | |
493 | #endif | |
494 | #endif | |
495 | ||
43d0f38b WD |
496 | /* Find a variable that is either exactly 32-bits or longer. |
497 | * If some code depends on 32-bit truncation, it will need to | |
498 | * take special action in a "#if SIZEOF_INT32 > 4" section. */ | |
c627d613 | 499 | #ifndef int32 |
2d2414f3 WD |
500 | #if SIZEOF_INT32_T == 4 |
501 | # define int32 int32_t | |
502 | # define SIZEOF_INT32 4 | |
503 | #elif SIZEOF_INT == 4 | |
43d0f38b WD |
504 | # define int32 int |
505 | # define SIZEOF_INT32 4 | |
506 | #elif SIZEOF_LONG == 4 | |
507 | # define int32 long | |
508 | # define SIZEOF_INT32 4 | |
509 | #elif SIZEOF_SHORT == 4 | |
510 | # define int32 short | |
511 | # define SIZEOF_INT32 4 | |
512 | #elif SIZEOF_INT > 4 | |
513 | # define int32 int | |
514 | # define SIZEOF_INT32 SIZEOF_INT | |
515 | #elif SIZEOF_LONG > 4 | |
516 | # define int32 long | |
517 | # define SIZEOF_INT32 SIZEOF_LONG | |
8de330a3 | 518 | #else |
43d0f38b | 519 | # error Could not find a 32-bit integer variable |
c627d613 | 520 | #endif |
43d0f38b WD |
521 | #else |
522 | # define SIZEOF_INT32 4 | |
c627d613 AT |
523 | #endif |
524 | ||
525 | #ifndef uint32 | |
2d2414f3 WD |
526 | #if SIZEOF_UINT32_T == 4 |
527 | # define uint32 uint32_t | |
528 | #else | |
529 | # define uint32 unsigned int32 | |
530 | #endif | |
c627d613 AT |
531 | #endif |
532 | ||
0dd046d3 | 533 | #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64 |
bcacc18b AT |
534 | #define OFF_T off_t |
535 | #define STRUCT_STAT struct stat | |
4ecf3e06 | 536 | #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T |
5b5f7e3b WD |
537 | #else |
538 | #define OFF_T off64_t | |
539 | #define STRUCT_STAT struct stat64 | |
540 | #define USE_STAT64_FUNCS 1 | |
4ecf3e06 | 541 | #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T |
bcacc18b AT |
542 | #endif |
543 | ||
d4198823 WD |
544 | /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF |
545 | * that's the maximum size the file system can handle and there is no | |
546 | * 64-bit type available. The rsync source must therefore take steps | |
547 | * to ensure that any code that really requires a 64-bit integer has | |
548 | * it (e.g. the checksum code uses two 32-bit integers for its 64-bit | |
549 | * counter). */ | |
2d2414f3 WD |
550 | #if SIZEOF_INT64_T == 8 |
551 | # define int64 int64_t | |
552 | # define SIZEOF_INT64 8 | |
553 | #elif SIZEOF_LONG == 8 | |
d622d4bf WD |
554 | # define int64 long |
555 | # define SIZEOF_INT64 8 | |
556 | #elif SIZEOF_INT == 8 | |
557 | # define int64 int | |
558 | # define SIZEOF_INT64 8 | |
559 | #elif SIZEOF_LONG_LONG == 8 | |
560 | # define int64 long long | |
561 | # define SIZEOF_INT64 8 | |
2c177562 WD |
562 | #elif SIZEOF_OFF64_T == 8 |
563 | # define int64 off64_t | |
564 | # define SIZEOF_INT64 8 | |
d622d4bf WD |
565 | #elif SIZEOF_OFF_T == 8 |
566 | # define int64 off_t | |
567 | # define SIZEOF_INT64 8 | |
568 | #elif SIZEOF_INT > 8 | |
569 | # define int64 int | |
570 | # define SIZEOF_INT64 SIZEOF_INT | |
571 | #elif SIZEOF_LONG > 8 | |
572 | # define int64 long | |
573 | # define SIZEOF_INT64 SIZEOF_LONG | |
574 | #elif SIZEOF_LONG_LONG > 8 | |
575 | # define int64 long long | |
576 | # define SIZEOF_INT64 SIZEOF_LONG_LONG | |
71c46176 | 577 | #else |
736a6a29 | 578 | /* As long as it gets... */ |
d622d4bf WD |
579 | # define int64 off_t |
580 | # define SIZEOF_INT64 SIZEOF_OFF_T | |
71c46176 | 581 | #endif |
c627d613 | 582 | |
83135e8f WD |
583 | struct hashtable { |
584 | void *nodes; | |
585 | int32 size, entries; | |
586 | uint32 node_size; | |
0c096e29 | 587 | short key64; |
83135e8f WD |
588 | }; |
589 | ||
590 | struct ht_int32_node { | |
591 | void *data; | |
592 | int32 key; | |
593 | }; | |
594 | ||
595 | struct ht_int64_node { | |
14d776ff | 596 | void *data; |
83135e8f | 597 | int64 key; |
14d776ff WD |
598 | }; |
599 | ||
83135e8f WD |
600 | #define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size)) |
601 | #define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \ | |
602 | : (int64)((struct ht_int32_node*)(node))->key) | |
603 | ||
c627d613 AT |
604 | #ifndef MIN |
605 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
606 | #endif | |
607 | ||
608 | #ifndef MAX | |
609 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
610 | #endif | |
611 | ||
d41c7d02 DD |
612 | #ifndef MAXHOSTNAMELEN |
613 | #define MAXHOSTNAMELEN 256 | |
614 | #endif | |
615 | ||
c627d613 | 616 | #define SUM_LENGTH 16 |
195bd906 S |
617 | #define SHORT_SUM_LENGTH 2 |
618 | #define BLOCKSUM_BIAS 10 | |
c627d613 AT |
619 | |
620 | #ifndef MAXPATHLEN | |
621 | #define MAXPATHLEN 1024 | |
622 | #endif | |
623 | ||
a22ca885 WD |
624 | /* We want a roomy line buffer that can hold more than MAXPATHLEN, |
625 | * and significantly more than an overly short MAXPATHLEN. */ | |
626 | #if MAXPATHLEN < 4096 | |
627 | #define BIGPATHBUFLEN (4096+1024) | |
628 | #else | |
629 | #define BIGPATHBUFLEN (MAXPATHLEN+1024) | |
630 | #endif | |
631 | ||
52d3e106 S |
632 | #ifndef NAME_MAX |
633 | #define NAME_MAX 255 | |
634 | #endif | |
635 | ||
0473e2a1 AT |
636 | #ifndef INADDR_NONE |
637 | #define INADDR_NONE 0xffffffff | |
638 | #endif | |
639 | ||
bda41fa5 WD |
640 | #ifndef IN_LOOPBACKNET |
641 | #define IN_LOOPBACKNET 127 | |
642 | #endif | |
643 | ||
1c3344a1 WD |
644 | #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS |
645 | #define ACLS_NEED_MASK 1 | |
646 | #endif | |
647 | ||
5b30412c | 648 | union file_extras { |
bd6edd3f WD |
649 | int32 num; |
650 | uint32 unum; | |
5b30412c WD |
651 | }; |
652 | ||
c627d613 | 653 | struct file_struct { |
2d2414f3 WD |
654 | const char *dirname; /* The dir info inside the transfer */ |
655 | time_t modtime; /* When the item was last modified */ | |
656 | uint32 len32; /* Lowest 32 bits of the file's length */ | |
657 | uint16 mode; /* The item's type and permissions */ | |
658 | uint16 flags; /* The FLAG_* bits for this item */ | |
659 | const char basename[1]; /* The basename (AKA filename) follows */ | |
c627d613 AT |
660 | }; |
661 | ||
99a957d3 | 662 | extern int file_extra_cnt; |
cf2d2665 | 663 | extern int inc_recurse; |
9742b386 WD |
664 | extern int uid_ndx; |
665 | extern int gid_ndx; | |
666 | extern int acls_ndx; | |
667 | extern int xattrs_ndx; | |
b96efc2f | 668 | |
c58c1dc4 | 669 | #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) |
5b30412c | 670 | #define EXTRA_LEN (sizeof (union file_extras)) |
4b163f00 | 671 | #define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN) |
a08979d5 WD |
672 | #define DEV_EXTRA_CNT 2 |
673 | #define DIRNODE_EXTRA_CNT 3 | |
a0456b9c | 674 | #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN) |
96293cf9 | 675 | |
5b30412c | 676 | #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) |
99a957d3 | 677 | #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump)) |
b37b7c99 | 678 | |
1a2e41af | 679 | #define NSEC_BUMP(f) ((f)->flags & FLAG_MOD_NSEC ? 1 : 0) |
96293cf9 | 680 | #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) |
1a2e41af | 681 | #define START_BUMP(f) (NSEC_BUMP(f) + LEN64_BUMP(f)) |
7b46e30f | 682 | #define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0) |
a08979d5 | 683 | #define ACL_BUMP(f) (acls_ndx ? 1 : 0) |
96293cf9 | 684 | |
c58c1dc4 | 685 | /* The length applies to all items. */ |
bf466c0f WD |
686 | #if SIZEOF_INT64 < 8 |
687 | #define F_LENGTH(f) ((int64)(f)->len32) | |
688 | #else | |
689 | #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \ | |
690 | ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0)) | |
691 | #endif | |
82ad07c4 | 692 | |
1a2e41af WD |
693 | #define F_MOD_NSEC(f) ((f)->flags & FLAG_MOD_NSEC ? OPT_EXTRA(f, LEN64_BUMP(f))->unum : 0) |
694 | ||
96293cf9 | 695 | /* If there is a symlink string, it is always right after the basename */ |
c58c1dc4 | 696 | #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) |
82ad07c4 | 697 | |
bd6edd3f | 698 | /* The sending side always has this available: */ |
4b163f00 | 699 | #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT)) |
bd6edd3f WD |
700 | |
701 | /* The receiving side always has this available: */ | |
702 | #define F_DEPTH(f) REQ_EXTRA(f, 1)->num | |
703 | ||
96293cf9 | 704 | /* When the associated option is on, all entries will have these present: */ |
9742b386 WD |
705 | #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum |
706 | #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum | |
707 | #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num | |
708 | #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num | |
f7a76b9c | 709 | #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num |
82ad07c4 | 710 | |
a08979d5 | 711 | /* These items are per-entry optional: */ |
1a2e41af WD |
712 | #define F_HL_GNUM(f) OPT_EXTRA(f, START_BUMP(f))->num /* non-dirs */ |
713 | #define F_HL_PREV(f) OPT_EXTRA(f, START_BUMP(f)+inc_recurse)->num /* non-dirs */ | |
714 | #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, START_BUMP(f) \ | |
a08979d5 | 715 | + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */ |
1a2e41af | 716 | #define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, START_BUMP(f) + DIRNODE_EXTRA_CNT \ |
4b163f00 | 717 | + PTR_EXTRA_CNT - 1)->num) /* sender dirs */ |
1a2e41af WD |
718 | #define F_DIR_DEFACL(f) OPT_EXTRA(f, START_BUMP(f))->unum /* receiver dirs */ |
719 | #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + ACL_BUMP(f) \ | |
a08979d5 | 720 | + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */ |
82ad07c4 | 721 | |
1a2e41af WD |
722 | /* This optional item might follow an F_HL_*() item. */ |
723 | #define F_RDEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum) | |
82ad07c4 | 724 | |
96293cf9 | 725 | /* The sum is only present on regular files. */ |
1a2e41af | 726 | #define F_SUM(f) ((char*)OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) \ |
a08979d5 | 727 | + SUM_EXTRA_CNT - 1)) |
96293cf9 | 728 | |
b37b7c99 | 729 | /* Some utility defines: */ |
c58c1dc4 | 730 | #define F_IS_ACTIVE(f) (f)->basename[0] |
bfd31372 | 731 | #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) |
5bb73485 | 732 | |
b7cfb9e2 WD |
733 | #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST) |
734 | #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST) | |
96293cf9 | 735 | |
4b163f00 | 736 | /* These access the F_DIR_DEV_P() and F_RDEV_P() values: */ |
b37b7c99 WD |
737 | #define DEV_MAJOR(a) (a)[0] |
738 | #define DEV_MINOR(a) (a)[1] | |
739 | ||
4b163f00 | 740 | /* These access the F_DIRS_NODE_P() values: */ |
9ec3828b WD |
741 | #define DIR_PARENT(a) (a)[0] |
742 | #define DIR_FIRST_CHILD(a) (a)[1] | |
743 | #define DIR_NEXT_SIBLING(a) (a)[2] | |
744 | ||
96293cf9 WD |
745 | /* |
746 | * Start the flist array at FLIST_START entries and grow it | |
747 | * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR | |
748 | */ | |
749 | #define FLIST_START (32 * 1024) | |
750 | #define FLIST_LINEAR (FLIST_START * 512) | |
82ad07c4 | 751 | |
9935066b | 752 | /* |
82ad07c4 | 753 | * Extent size for allocation pools: A minimum size of 128KB |
9935066b S |
754 | * is needed to mmap them so that freeing will release the |
755 | * space to the OS. | |
756 | * | |
757 | * Larger sizes reduce leftover fragments and speed free calls | |
82ad07c4 | 758 | * (when they happen). Smaller sizes increase the chance of |
9935066b S |
759 | * freed allocations freeing whole extents. |
760 | */ | |
f5ba7bfb WD |
761 | #define NORMAL_EXTENT (256 * 1024) |
762 | #define SMALL_EXTENT (128 * 1024) | |
9935066b | 763 | |
9ec3828b WD |
764 | #define FLIST_TEMP (1<<1) |
765 | ||
c627d613 | 766 | struct file_list { |
9ec3828b | 767 | struct file_list *next, *prev; |
332cf6df | 768 | struct file_struct **files, **sorted; |
9935066b | 769 | alloc_pool_t file_pool; |
f5ba7bfb | 770 | void *pool_boundary; |
9decb4d2 WD |
771 | int used, malloced; |
772 | int low, high; /* 0-relative index values excluding empties */ | |
773 | int ndx_start; /* the start offset for inc_recurse mode */ | |
65b4e4b2 | 774 | int flist_num; /* 1-relative file_list number or 0 */ |
9ec3828b WD |
775 | int parent_ndx; /* dir_flist index of parent directory */ |
776 | int in_progress, to_redo; | |
c627d613 AT |
777 | }; |
778 | ||
a3221d2a WD |
779 | #define SUMFLG_SAME_OFFSET (1<<0) |
780 | ||
c627d613 | 781 | struct sum_buf { |
6ded1170 | 782 | OFF_T offset; /**< offset in file of this chunk */ |
a06b419d | 783 | int32 len; /**< length of chunk of file */ |
6ded1170 | 784 | uint32 sum1; /**< simple checksum */ |
d733de97 | 785 | int32 chain; /**< next hash-table collision */ |
a3221d2a | 786 | short flags; /**< flag bits */ |
6ded1170 | 787 | char sum2[SUM_LENGTH]; /**< checksum */ |
c627d613 AT |
788 | }; |
789 | ||
790 | struct sum_struct { | |
6ded1170 | 791 | OFF_T flength; /**< total file length */ |
2b2ea368 | 792 | struct sum_buf *sums; /**< points to info for each chunk */ |
15859584 | 793 | int32 count; /**< how many chunks */ |
a06b419d WD |
794 | int32 blength; /**< block_length */ |
795 | int32 remainder; /**< flength % block_length */ | |
da9d12f5 | 796 | int s2length; /**< sum2_length */ |
c627d613 AT |
797 | }; |
798 | ||
c6e7fcb4 | 799 | struct map_struct { |
6a7cc46c S |
800 | OFF_T file_size; /* File size (from stat) */ |
801 | OFF_T p_offset; /* Window start */ | |
802 | OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */ | |
2b2ea368 WD |
803 | char *p; /* Window pointer */ |
804 | int32 p_size; /* Largest window size we allocated */ | |
805 | int32 p_len; /* Latest (rounded) window size */ | |
806 | int32 def_window_size; /* Default window size */ | |
807 | int fd; /* File Descriptor */ | |
808 | int status; /* first errno from read errors */ | |
c6e7fcb4 | 809 | }; |
c627d613 | 810 | |
b32d4254 WD |
811 | #define FILTRULE_WILD (1<<0) /* pattern has '*', '[', and/or '?' */ |
812 | #define FILTRULE_WILD2 (1<<1) /* pattern has '**' */ | |
813 | #define FILTRULE_WILD2_PREFIX (1<<2) /* pattern starts with "**" */ | |
814 | #define FILTRULE_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */ | |
815 | #define FILTRULE_ABS_PATH (1<<4) /* path-match on absolute path */ | |
816 | #define FILTRULE_INCLUDE (1<<5) /* this is an include, not an exclude */ | |
817 | #define FILTRULE_DIRECTORY (1<<6) /* this matches only directories */ | |
818 | #define FILTRULE_WORD_SPLIT (1<<7) /* split rules on whitespace */ | |
819 | #define FILTRULE_NO_INHERIT (1<<8) /* don't inherit these rules */ | |
820 | #define FILTRULE_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */ | |
821 | #define FILTRULE_MERGE_FILE (1<<10)/* specifies a file to merge */ | |
822 | #define FILTRULE_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */ | |
823 | #define FILTRULE_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */ | |
824 | #define FILTRULE_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */ | |
825 | #define FILTRULE_NEGATE (1<<14)/* rule matches when pattern does not */ | |
826 | #define FILTRULE_CVS_IGNORE (1<<15)/* rule was -C or :C */ | |
827 | #define FILTRULE_SENDER_SIDE (1<<16)/* rule applies to the sending side */ | |
828 | #define FILTRULE_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */ | |
829 | #define FILTRULE_CLEAR_LIST (1<<18)/* this item is the "!" token */ | |
830 | #define FILTRULE_PERISHABLE (1<<19)/* perishable if parent dir goes away */ | |
831 | ||
c8fa85b2 | 832 | #define FILTRULES_SIDES (FILTRULE_SENDER_SIDE | FILTRULE_RECEIVER_SIDE) |
3b2461cf | 833 | |
7b6c5c77 | 834 | typedef struct filter_struct { |
7842418b | 835 | struct filter_struct *next; |
2b6b4d53 | 836 | char *pattern; |
b32d4254 | 837 | uint32 rflags; |
46fa6025 WD |
838 | union { |
839 | int slash_cnt; | |
7842418b | 840 | struct filter_list_struct *mergelist; |
46fa6025 | 841 | } u; |
7b6c5c77 | 842 | } filter_rule; |
2b6b4d53 | 843 | |
7b6c5c77 WD |
844 | typedef struct filter_list_struct { |
845 | filter_rule *head; | |
846 | filter_rule *tail; | |
847 | filter_rule *parent_dirscan_head; | |
ac1d2d33 | 848 | char *debug_type; |
7b6c5c77 | 849 | } filter_rule_list; |
63d03319 | 850 | |
a800434a AT |
851 | struct stats { |
852 | int64 total_size; | |
853 | int64 total_transferred_size; | |
854 | int64 total_written; | |
855 | int64 total_read; | |
856 | int64 literal_data; | |
857 | int64 matched_data; | |
d4198823 WD |
858 | int64 flist_buildtime; |
859 | int64 flist_xfertime; | |
604dbf6d | 860 | int64 flist_size; |
e366e530 WD |
861 | int num_files, num_dirs, num_symlinks, num_devices, num_specials; |
862 | int created_files, created_dirs, created_symlinks, created_devices, created_specials; | |
863 | int deleted_files, deleted_dirs, deleted_symlinks, deleted_devices, deleted_specials; | |
864 | int xferred_files; | |
a800434a AT |
865 | }; |
866 | ||
f7bce90c | 867 | struct chmod_mode_struct; |
2b6b4d53 | 868 | |
e0c572c5 WD |
869 | struct flist_ndx_item { |
870 | struct flist_ndx_item *next; | |
871 | int ndx; | |
872 | }; | |
873 | ||
874 | typedef struct { | |
875 | struct flist_ndx_item *head, *tail; | |
876 | } flist_ndx_list; | |
877 | ||
1c3344a1 WD |
878 | #define EMPTY_ITEM_LIST {NULL, 0, 0} |
879 | ||
880 | typedef struct { | |
881 | void *items; | |
882 | size_t count; | |
883 | size_t malloced; | |
884 | } item_list; | |
885 | ||
886 | #define EXPAND_ITEM_LIST(lp, type, incr) \ | |
887 | (type*)expand_item_list(lp, sizeof (type), #type, incr) | |
888 | ||
2ac081ff WD |
889 | #define EMPTY_XBUF {NULL, 0, 0, 0} |
890 | ||
891 | typedef struct { | |
892 | char *buf; | |
893 | size_t pos; /* pos = read pos in the buf */ | |
894 | size_t len; /* len = chars following pos */ | |
895 | size_t size; /* size = total space in buf */ | |
896 | } xbuf; | |
897 | ||
898 | #define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0 | |
bb640d32 | 899 | #define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0 |
2ac081ff WD |
900 | /* This one is used to make an output xbuf based on a char[] buffer: */ |
901 | #define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0 | |
902 | ||
903 | #define ICB_EXPAND_OUT (1<<0) | |
904 | #define ICB_INCLUDE_BAD (1<<1) | |
905 | #define ICB_INCLUDE_INCOMPLETE (1<<2) | |
906 | ||
907 | #define RL_EOL_NULLS (1<<0) | |
908 | #define RL_DUMP_COMMENTS (1<<1) | |
909 | #define RL_CONVERT (1<<2) | |
910 | ||
54410882 | 911 | typedef struct { |
c73f2a38 | 912 | char name_type; |
54410882 WD |
913 | char fname[1]; /* has variable size */ |
914 | } relnamecache; | |
915 | ||
c627d613 | 916 | #include "byteorder.h" |
a0456b9c | 917 | #include "lib/mdigest.h" |
87f18b62 | 918 | #include "lib/wildmatch.h" |
740819ef | 919 | #include "lib/permstring.h" |
e20a4f84 | 920 | #include "lib/addrinfo.h" |
0de40240 | 921 | |
2b916250 | 922 | #ifndef __GNUC__ |
4ea58045 | 923 | #define __attribute__(x) |
1b896f8d | 924 | #else |
7de7b49f WD |
925 | # if __GNUC__ <= 2 |
926 | # define NORETURN | |
927 | # endif | |
4ea58045 WD |
928 | #endif |
929 | ||
90b13cf6 | 930 | #define UNUSED(x) x __attribute__((__unused__)) |
7de7b49f | 931 | #ifndef NORETURN |
011e85a5 | 932 | #define NORETURN __attribute__((__noreturn__)) |
7de7b49f | 933 | #endif |
90b13cf6 | 934 | |
1c3344a1 WD |
935 | typedef struct { |
936 | STRUCT_STAT st; | |
937 | #ifdef SUPPORT_ACLS | |
938 | struct rsync_acl *acc_acl; /* access ACL */ | |
939 | struct rsync_acl *def_acl; /* default ACL */ | |
940 | #endif | |
16edf865 WD |
941 | #ifdef SUPPORT_XATTRS |
942 | item_list *xattr; | |
943 | #endif | |
13710874 | 944 | } stat_x; |
1c3344a1 WD |
945 | |
946 | #define ACL_READY(sx) ((sx).acc_acl != NULL) | |
16edf865 | 947 | #define XATTR_READY(sx) ((sx).xattr != NULL) |
1c3344a1 | 948 | |
58c29609 MP |
949 | #include "proto.h" |
950 | ||
9439c0cb WD |
951 | #ifndef SUPPORT_XATTRS |
952 | #define x_stat(fn,fst,xst) do_stat(fn,fst) | |
953 | #define x_lstat(fn,fst,xst) do_lstat(fn,fst) | |
954 | #define x_fstat(fd,fst,xst) do_fstat(fd,fst) | |
955 | #endif | |
956 | ||
0de40240 | 957 | /* We have replacement versions of these if they're missing. */ |
4f5b0756 | 958 | #ifndef HAVE_ASPRINTF |
0de40240 MP |
959 | int asprintf(char **ptr, const char *format, ...); |
960 | #endif | |
961 | ||
4f5b0756 | 962 | #ifndef HAVE_VASPRINTF |
0de40240 MP |
963 | int vasprintf(char **ptr, const char *format, va_list ap); |
964 | #endif | |
965 | ||
4f5b0756 | 966 | #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e WD |
967 | #define vsnprintf rsync_vsnprintf |
968 | int vsnprintf(char *str, size_t count, const char *fmt, va_list args); | |
0de40240 MP |
969 | #endif |
970 | ||
4f5b0756 | 971 | #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF |
6813fa7e | 972 | #define snprintf rsync_snprintf |
82ad07c4 | 973 | int snprintf(char *str, size_t count, const char *fmt,...); |
0de40240 MP |
974 | #endif |
975 | ||
976 | ||
4f5b0756 | 977 | #ifndef HAVE_STRERROR |
c627d613 AT |
978 | extern char *sys_errlist[]; |
979 | #define strerror(i) sys_errlist[i] | |
980 | #endif | |
981 | ||
4f5b0756 | 982 | #ifndef HAVE_STRCHR |
c627d613 AT |
983 | # define strchr index |
984 | # define strrchr rindex | |
985 | #endif | |
986 | ||
4f5b0756 | 987 | #ifndef HAVE_ERRNO_DECL |
c627d613 AT |
988 | extern int errno; |
989 | #endif | |
990 | ||
9a929c8f WD |
991 | #ifdef HAVE_READLINK |
992 | #define SUPPORT_LINKS 1 | |
6e310d38 WD |
993 | #ifndef NO_SYMLINK_XATTRS |
994 | #define do_readlink(path, buf, bufsiz) readlink(path, buf, bufsiz) | |
995 | #endif | |
9a929c8f WD |
996 | #endif |
997 | #ifdef HAVE_LINK | |
998 | #define SUPPORT_HARD_LINKS 1 | |
999 | #endif | |
c627d613 | 1000 | |
5173f99e | 1001 | #ifdef HAVE_SIGACTION |
90b13cf6 WD |
1002 | #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL) |
1003 | #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h) | |
1004 | #else | |
1005 | #define SIGACTION(n,h) signal(n,h) | |
1006 | #endif | |
720b47f2 AT |
1007 | |
1008 | #ifndef EWOULDBLOCK | |
1009 | #define EWOULDBLOCK EAGAIN | |
1010 | #endif | |
182dca5c | 1011 | |
7b8356d0 AT |
1012 | #ifndef STDIN_FILENO |
1013 | #define STDIN_FILENO 0 | |
1014 | #endif | |
1015 | ||
1016 | #ifndef STDOUT_FILENO | |
1017 | #define STDOUT_FILENO 1 | |
1018 | #endif | |
1019 | ||
1020 | #ifndef STDERR_FILENO | |
1021 | #define STDERR_FILENO 2 | |
1022 | #endif | |
1023 | ||
8120a98f WD |
1024 | #ifndef S_IRUSR |
1025 | #define S_IRUSR 0400 | |
1026 | #endif | |
1027 | ||
7b8356d0 AT |
1028 | #ifndef S_IWUSR |
1029 | #define S_IWUSR 0200 | |
1030 | #endif | |
1031 | ||
b0d791bb PG |
1032 | #ifndef ACCESSPERMS |
1033 | #define ACCESSPERMS 0777 | |
1034 | #endif | |
1035 | ||
1036 | #ifndef S_ISVTX | |
1037 | #define S_ISVTX 0 | |
1038 | #endif | |
1039 | ||
1040 | #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS) | |
1041 | ||
b280a1f4 AT |
1042 | #ifndef _S_IFMT |
1043 | #define _S_IFMT 0170000 | |
1044 | #endif | |
1045 | ||
1046 | #ifndef _S_IFLNK | |
1047 | #define _S_IFLNK 0120000 | |
1048 | #endif | |
1049 | ||
1050 | #ifndef S_ISLNK | |
1051 | #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) | |
1052 | #endif | |
1053 | ||
1e9f155a AT |
1054 | #ifndef S_ISBLK |
1055 | #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) | |
1056 | #endif | |
1057 | ||
1058 | #ifndef S_ISCHR | |
1059 | #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) | |
1060 | #endif | |
1061 | ||
a0b65b18 AT |
1062 | #ifndef S_ISSOCK |
1063 | #ifdef _S_IFSOCK | |
1064 | #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) | |
1065 | #else | |
1066 | #define S_ISSOCK(mode) (0) | |
1067 | #endif | |
1068 | #endif | |
1069 | ||
1070 | #ifndef S_ISFIFO | |
1071 | #ifdef _S_IFIFO | |
1072 | #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) | |
1073 | #else | |
1074 | #define S_ISFIFO(mode) (0) | |
1075 | #endif | |
1076 | #endif | |
1077 | ||
1e9f155a AT |
1078 | #ifndef S_ISDIR |
1079 | #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) | |
1080 | #endif | |
1081 | ||
1082 | #ifndef S_ISREG | |
1083 | #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) | |
1084 | #endif | |
1085 | ||
f0359dd0 AT |
1086 | /* work out what fcntl flag to use for non-blocking */ |
1087 | #ifdef O_NONBLOCK | |
1088 | # define NONBLOCK_FLAG O_NONBLOCK | |
4f5b0756 | 1089 | #elif defined SYSV |
f0359dd0 | 1090 | # define NONBLOCK_FLAG O_NDELAY |
d622d4bf | 1091 | #else |
f0359dd0 AT |
1092 | # define NONBLOCK_FLAG FNDELAY |
1093 | #endif | |
1094 | ||
d79c77ca MP |
1095 | #ifndef INADDR_LOOPBACK |
1096 | #define INADDR_LOOPBACK 0x7f000001 | |
1097 | #endif | |
1098 | ||
1099 | #ifndef INADDR_NONE | |
1100 | #define INADDR_NONE 0xffffffff | |
1101 | #endif | |
a0b65b18 | 1102 | |
b5c6a6ae WD |
1103 | #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode)) |
1104 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode)) | |
7bec6a5c | 1105 | |
5afd8aed DD |
1106 | /* Initial mask on permissions given to temporary files. Mask off setuid |
1107 | bits and group access because of potential race-condition security | |
1108 | holes, and mask other access because mode 707 is bizarre */ | |
972a3619 | 1109 | #define INITACCESSPERMS 0700 |
e08bfe12 AT |
1110 | |
1111 | /* handler for null strings in printf format */ | |
0ee6ca98 | 1112 | #define NS(s) ((s)?(s):"<NULL>") |
e08bfe12 | 1113 | |
58cadc86 | 1114 | /* Convenient wrappers for malloc and realloc. Use them. */ |
a4431563 WD |
1115 | #define new(type) ((type*)malloc(sizeof (type))) |
1116 | #define new0(type) ((type*)calloc(1, sizeof (type))) | |
1117 | #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0)) | |
1118 | #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1)) | |
1119 | #define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num))) | |
fb859e56 | 1120 | |
e08bfe12 | 1121 | /* use magic gcc attributes to catch format errors */ |
ff41a59f | 1122 | void rprintf(enum logcode , const char *, ...) |
fb859e56 | 1123 | __attribute__((format (printf, 2, 3))) |
e08bfe12 | 1124 | ; |
7b3d4257 | 1125 | |
a039749b MP |
1126 | /* This is just like rprintf, but it also tries to print some |
1127 | * representation of the error code. Normally errcode = errno. */ | |
1128 | void rsyserr(enum logcode, int, const char *, ...) | |
fb859e56 | 1129 | __attribute__((format (printf, 3, 4))) |
a039749b MP |
1130 | ; |
1131 | ||
afbcc8f2 WD |
1132 | /* Make sure that the O_BINARY flag is defined. */ |
1133 | #ifndef O_BINARY | |
1134 | #define O_BINARY 0 | |
1135 | #endif | |
5a788ade | 1136 | |
4f5b0756 | 1137 | #ifndef HAVE_STRLCPY |
5a788ade AT |
1138 | size_t strlcpy(char *d, const char *s, size_t bufsize); |
1139 | #endif | |
1140 | ||
4f5b0756 | 1141 | #ifndef HAVE_STRLCAT |
5a788ade AT |
1142 | size_t strlcat(char *d, const char *s, size_t bufsize); |
1143 | #endif | |
1144 | ||
82980a23 AT |
1145 | #ifndef WEXITSTATUS |
1146 | #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF)) | |
1147 | #endif | |
47b032e9 WD |
1148 | #ifndef WIFEXITED |
1149 | #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0) | |
1150 | #endif | |
82980a23 | 1151 | |
a9766ef1 | 1152 | #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__) |
eecd22ff | 1153 | |
4f5b0756 | 1154 | #ifdef HAVE_GETEUID |
b2bffbb2 WD |
1155 | #define MY_UID() geteuid() |
1156 | #else | |
1157 | #define MY_UID() getuid() | |
1158 | #endif | |
1159 | ||
4f5b0756 | 1160 | #ifdef HAVE_GETEGID |
b2bffbb2 WD |
1161 | #define MY_GID() getegid() |
1162 | #else | |
1163 | #define MY_GID() getgid() | |
1164 | #endif | |
eecd22ff | 1165 | |
aa0e6b99 WD |
1166 | #ifdef FORCE_FD_ZERO_MEMSET |
1167 | #undef FD_ZERO | |
1168 | #define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set)) | |
1169 | #endif | |
1170 | ||
951e826b WD |
1171 | extern short info_levels[], debug_levels[]; |
1172 | ||
1173 | #define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl)) | |
1174 | #define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl)) | |
1175 | #define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl)) | |
1176 | #define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl)) | |
1177 | ||
1178 | #define INFO_BACKUP 0 | |
1179 | #define INFO_COPY (INFO_BACKUP+1) | |
1180 | #define INFO_DEL (INFO_COPY+1) | |
1181 | #define INFO_FLIST (INFO_DEL+1) | |
1182 | #define INFO_MISC (INFO_FLIST+1) | |
1183 | #define INFO_MOUNT (INFO_MISC+1) | |
1184 | #define INFO_NAME (INFO_MOUNT+1) | |
1185 | #define INFO_PROGRESS (INFO_NAME+1) | |
1186 | #define INFO_REMOVE (INFO_PROGRESS+1) | |
1187 | #define INFO_SKIP (INFO_REMOVE+1) | |
1188 | #define INFO_STATS (INFO_SKIP+1) | |
1189 | #define INFO_SYMSAFE (INFO_STATS+1) | |
1190 | ||
1191 | #define COUNT_INFO (INFO_SYMSAFE+1) | |
1192 | ||
1193 | #define DEBUG_ACL 0 | |
1194 | #define DEBUG_BACKUP (DEBUG_ACL+1) | |
1195 | #define DEBUG_BIND (DEBUG_BACKUP+1) | |
1196 | #define DEBUG_CHDIR (DEBUG_BIND+1) | |
1197 | #define DEBUG_CONNECT (DEBUG_CHDIR+1) | |
5a18b34d | 1198 | #define DEBUG_CMD (DEBUG_CONNECT+1) |
951e826b | 1199 | #define DEBUG_DEL (DEBUG_CMD+1) |
5a18b34d WD |
1200 | #define DEBUG_DELTASUM (DEBUG_DEL+1) |
1201 | #define DEBUG_DUP (DEBUG_DELTASUM+1) | |
951e826b WD |
1202 | #define DEBUG_EXIT (DEBUG_DUP+1) |
1203 | #define DEBUG_FILTER (DEBUG_EXIT+1) | |
1204 | #define DEBUG_FLIST (DEBUG_FILTER+1) | |
1205 | #define DEBUG_FUZZY (DEBUG_FLIST+1) | |
1206 | #define DEBUG_GENR (DEBUG_FUZZY+1) | |
b3347e2a WD |
1207 | #define DEBUG_HASH (DEBUG_GENR+1) |
1208 | #define DEBUG_HLINK (DEBUG_HASH+1) | |
951e826b WD |
1209 | #define DEBUG_ICONV (DEBUG_HLINK+1) |
1210 | #define DEBUG_OWN (DEBUG_ICONV+1) | |
1211 | #define DEBUG_PROTO (DEBUG_OWN+1) | |
1212 | #define DEBUG_RECV (DEBUG_PROTO+1) | |
1213 | #define DEBUG_SEND (DEBUG_RECV+1) | |
1214 | #define DEBUG_TIME (DEBUG_SEND+1) | |
1215 | ||
1216 | #define COUNT_DEBUG (DEBUG_TIME+1) | |
d5d4b282 | 1217 | |
4f5b0756 | 1218 | #ifndef HAVE_INET_NTOP |
d622d4bf | 1219 | const char *inet_ntop(int af, const void *src, char *dst, size_t size); |
4f5b0756 | 1220 | #endif |
8f694072 | 1221 | |
4f5b0756 | 1222 | #ifndef HAVE_INET_PTON |
bda41fa5 | 1223 | int inet_pton(int af, const char *src, void *dst); |
8f694072 | 1224 | #endif |
0f0ea7f7 | 1225 | |
f4a0483a MP |
1226 | #ifdef MAINTAINER_MODE |
1227 | const char *get_panic_action(void); | |
1228 | #endif |