fixed some logcode warnings
[rsync/rsync.git] / rsync.h
CommitLineData
c627d613
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1/*
2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18*/
19
d41c7d02
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20#define False 0
21#define True 1
22
c627d613
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23#define BLOCK_SIZE 700
24#define RSYNC_RSH_ENV "RSYNC_RSH"
7b8356d0 25
c627d613 26#define RSYNC_NAME "rsync"
f0fca04e 27#define RSYNCD_CONF "/etc/rsyncd.conf"
f0fca04e 28
5e71c444 29#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
f7632fc6
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30#define URL_PREFIX "rsync://"
31
c627d613
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32#define BACKUP_SUFFIX "~"
33
1b01b295 34/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
6543dc0c 35 incompatible with older versions :-( */
1b01b295
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36#define CHAR_OFFSET 0
37
38
3333ffbd 39#define FLAG_DELETE (1<<0)
4fe159a8 40#define SAME_MODE (1<<1)
dc5ddbcc 41#define SAME_RDEV (1<<2)
4fe159a8
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42#define SAME_UID (1<<3)
43#define SAME_GID (1<<4)
44#define SAME_DIR (1<<5)
45#define SAME_NAME SAME_DIR
46#define LONG_NAME (1<<6)
47#define SAME_TIME (1<<7)
48
c627d613 49/* update this if you make incompatible changes */
ff41a59f
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50#define PROTOCOL_VERSION 23
51#define MIN_PROTOCOL_VERSION 15
6ba9279f 52#define MAX_PROTOCOL_VERSION 30
c627d613 53
9486289c
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54#define RSYNC_PORT 873
55
d867229b 56#define SPARSE_WRITE_SIZE (1024)
dc5ddbcc 57#define WRITE_SIZE (32*1024)
34ccb63e 58#define CHUNK_SIZE (32*1024)
4440b8aa 59#define MAX_MAP_SIZE (256*1024)
e3fe383a 60#define IO_BUFFER_SIZE (4092)
c627d613 61
874895d5 62#define MAX_ARGS 1000
f0fca04e 63
8d9dc9f9 64#define MPLEX_BASE 7
ff41a59f 65
0f3203c3 66enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3};
7bec6a5c 67
65417579
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68#include "errcode.h"
69
c627d613
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70#include "config.h"
71
24d95c03
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72#if HAVE_REMSH
73#define RSYNC_RSH "remsh"
74#else
75#define RSYNC_RSH "rsh"
76#endif
77
c627d613 78#include <sys/types.h>
6ed67e6d
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79
80#ifdef HAVE_GETOPT_LONG
81#include <getopt.h>
82#else
83#include "lib/getopt.h"
84#endif
85
c627d613
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86#ifdef HAVE_UNISTD_H
87#include <unistd.h>
88#endif
89#include <stdio.h>
3591c066 90#include <stddef.h>
c627d613
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91
92#ifdef HAVE_SYS_PARAM_H
93#include <sys/param.h>
94#endif
95
d7b305fd
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96#ifdef HAVE_STDLIB_H
97#include <stdlib.h>
98#endif
99
fdd71e17
AT
100#ifdef HAVE_SYS_SOCKET_H
101#include <sys/socket.h>
102#endif
103
d7b305fd
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104#ifdef HAVE_STRING_H
105#include <string.h>
c627d613
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106#endif
107
c627d613
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108#ifdef HAVE_MALLOC_H
109#include <malloc.h>
110#endif
111
112#ifdef TIME_WITH_SYS_TIME
113#include <sys/time.h>
114#include <time.h>
115#else
116#ifdef HAVE_SYS_TIME_H
117#include <sys/time.h>
118#else
119#include <time.h>
120#endif
121#endif
122
123#ifdef HAVE_FCNTL_H
124#include <fcntl.h>
125#else
126#ifdef HAVE_SYS_FCNTL_H
127#include <sys/fcntl.h>
128#endif
129#endif
130
131#include <sys/stat.h>
132
94481d91
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133#ifdef HAVE_SYS_IOCTL_H
134#include <sys/ioctl.h>
135#endif
136
137#ifdef HAVE_SYS_FILIO_H
138#include <sys/filio.h>
139#endif
140
c627d613
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141#include <signal.h>
142#ifdef HAVE_SYS_WAIT_H
143#include <sys/wait.h>
144#endif
145#ifdef HAVE_CTYPE_H
146#include <ctype.h>
147#endif
148#ifdef HAVE_GRP_H
149#include <grp.h>
150#endif
151#include <errno.h>
152
c627d613
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153#ifdef HAVE_UTIME_H
154#include <utime.h>
155#endif
156
8bf73749
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157#ifdef HAVE_SYS_SELECT_H
158#include <sys/select.h>
159#endif
160
773f2bd4
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161#ifdef HAVE_SYS_MODE_H
162/* apparently AIX needs this for S_ISLNK */
05a6556d 163#ifndef S_ISLNK
773f2bd4
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164#include <sys/mode.h>
165#endif
05a6556d 166#endif
773f2bd4 167
c627d613
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168#ifdef HAVE_FNMATCH
169#include <fnmatch.h>
170#else
171#include "lib/fnmatch.h"
172#endif
173
932be9aa 174#ifdef HAVE_GLOB_H
874895d5
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175#include <glob.h>
176#endif
177
f6c34742
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178/* these are needed for the uid/gid mapping code */
179#include <pwd.h>
180#include <grp.h>
181
9486289c 182#include <stdarg.h>
f0fca04e
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183#include <netinet/in.h>
184#include <arpa/inet.h>
185#include <netdb.h>
ff8b29b8 186#include <syslog.h>
6c8f5373 187#include <sys/file.h>
9486289c 188
e8f5b936
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189#if HAVE_DIRENT_H
190# include <dirent.h>
191#else
192# define dirent direct
193# if HAVE_SYS_NDIR_H
194# include <sys/ndir.h>
195# endif
196# if HAVE_SYS_DIR_H
197# include <sys/dir.h>
198# endif
199# if HAVE_NDIR_H
200# include <ndir.h>
201# endif
202#endif
203
204#ifdef HAVE_COMPAT_H
205#include <compat.h>
206#endif
207
208
f0fca04e
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209#define BOOL int
210
c627d613
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211#ifndef uchar
212#define uchar unsigned char
213#endif
214
debb4505
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215#if HAVE_UNSIGNED_CHAR
216#define schar signed char
217#else
218#define schar char
219#endif
220
c627d613
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221#ifndef int32
222#if (SIZEOF_INT == 4)
223#define int32 int
224#elif (SIZEOF_LONG == 4)
225#define int32 long
226#elif (SIZEOF_SHORT == 4)
227#define int32 short
8de330a3
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228#else
229/* I hope this works */
230#define int32 int
f3737e06 231#define LARGE_INT32
c627d613
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232#endif
233#endif
234
235#ifndef uint32
236#define uint32 unsigned int32
237#endif
238
bcacc18b
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239#if HAVE_OFF64_T
240#define OFF_T off64_t
241#define STRUCT_STAT struct stat64
242#else
243#define OFF_T off_t
244#define STRUCT_STAT struct stat
245#endif
246
247#if HAVE_OFF64_T
248#define int64 off64_t
249#elif (SIZEOF_LONG == 8)
3bee6733
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250#define int64 long
251#elif (SIZEOF_INT == 8)
252#define int64 int
253#elif HAVE_LONGLONG
71c46176
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254#define int64 long long
255#else
256#define int64 off_t
3bee6733 257#define NO_INT64
71c46176 258#endif
c627d613 259
c29ee43d
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260#if HAVE_SHORT_INO_T
261#define INO_T uint32
262#else
263#define INO_T ino_t
264#endif
265
c627d613
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266#ifndef MIN
267#define MIN(a,b) ((a)<(b)?(a):(b))
268#endif
269
270#ifndef MAX
271#define MAX(a,b) ((a)>(b)?(a):(b))
272#endif
273
d41c7d02
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274#ifndef MAXHOSTNAMELEN
275#define MAXHOSTNAMELEN 256
276#endif
277
c627d613 278/* the length of the md4 checksum */
ebb0a6f6 279#define MD4_SUM_LENGTH 16
c627d613
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280#define SUM_LENGTH 16
281
282#ifndef MAXPATHLEN
283#define MAXPATHLEN 1024
284#endif
285
07b7c86c
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286#ifndef PIPE_BUF
287#define PIPE_BUF 512
288#endif
289
0473e2a1
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290#ifndef INADDR_NONE
291#define INADDR_NONE 0xffffffff
292#endif
293
c627d613 294struct file_struct {
3333ffbd 295 unsigned flags;
3ec4dd97 296 time_t modtime;
bcacc18b 297 OFF_T length;
3ec4dd97 298 mode_t mode;
c29ee43d 299 INO_T inode;
3ec4dd97
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300 dev_t dev;
301 dev_t rdev;
302 uid_t uid;
303 gid_t gid;
304 char *basename;
305 char *dirname;
306 char *basedir;
307 char *link;
2d0bb8eb 308 char *sum;
c627d613
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309};
310
4440b8aa 311
c627d613 312struct file_list {
a800434a
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313 int count;
314 int malloced;
315 struct file_struct **files;
c627d613
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316};
317
318struct sum_buf {
c29ee43d
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319 OFF_T offset; /* offset in file of this chunk */
320 int len; /* length of chunk of file */
321 int i; /* index of this chunk */
322 uint32 sum1; /* simple checksum */
323 char sum2[SUM_LENGTH]; /* checksum */
c627d613
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324};
325
326struct sum_struct {
bcacc18b 327 OFF_T flength; /* total file length */
c627d613
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328 int count; /* how many chunks */
329 int remainder; /* flength % block_length */
330 int n; /* block_length */
331 struct sum_buf *sums; /* points to info for each chunk */
332};
333
c6e7fcb4 334struct map_struct {
4440b8aa 335 char *p;
0b910560 336 int fd,p_size,p_len;
4440b8aa 337 OFF_T file_size, p_offset, p_fd_offset;
c6e7fcb4 338};
c627d613 339
2b6b4d53
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340struct exclude_struct {
341 char *orig;
342 char *pattern;
343 int regular_exp;
a8b9d4ed 344 int fnmatch_flags;
2b6b4d53
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345 int include;
346 int directory;
347 int local;
348};
349
a800434a
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350struct stats {
351 int64 total_size;
352 int64 total_transferred_size;
353 int64 total_written;
354 int64 total_read;
355 int64 literal_data;
356 int64 matched_data;
357 int flist_size;
358 int num_files;
359 int num_transferred_files;
360};
361
2b6b4d53 362
3b3a2fbc
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363/* we need this function because of the silly way in which duplicate
364 entries are handled in the file lists - we can't change this
365 without breaking existing versions */
71c46176 366static inline int flist_up(struct file_list *flist, int i)
3b3a2fbc 367{
3ec4dd97 368 while (!flist->files[i]->basename) i++;
3b3a2fbc
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369 return i;
370}
371
c627d613
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372#include "byteorder.h"
373#include "version.h"
374#include "proto.h"
8de330a3 375#include "lib/mdfour.h"
c627d613
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376
377#if !HAVE_STRERROR
378extern char *sys_errlist[];
379#define strerror(i) sys_errlist[i]
380#endif
381
382#ifndef HAVE_STRCHR
383# define strchr index
384# define strrchr rindex
385#endif
386
c627d613
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387#ifndef HAVE_ERRNO_DECL
388extern int errno;
389#endif
390
cbbe4892 391#define SUPPORT_LINKS HAVE_READLINK
dc5ddbcc 392#define SUPPORT_HARD_LINKS HAVE_LINK
c627d613 393
8bf73749
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394#ifndef HAVE_LCHOWN
395#define lchown chown
396#endif
397
ac1eb754 398#define SIGNAL_CAST (RETSIGTYPE (*)())
720b47f2
AT
399
400#ifndef EWOULDBLOCK
401#define EWOULDBLOCK EAGAIN
402#endif
182dca5c 403
7b8356d0
AT
404#ifndef STDIN_FILENO
405#define STDIN_FILENO 0
406#endif
407
408#ifndef STDOUT_FILENO
409#define STDOUT_FILENO 1
410#endif
411
412#ifndef STDERR_FILENO
413#define STDERR_FILENO 2
414#endif
415
416#ifndef S_IWUSR
417#define S_IWUSR 0200
418#endif
419
b280a1f4
AT
420#ifndef _S_IFMT
421#define _S_IFMT 0170000
422#endif
423
424#ifndef _S_IFLNK
425#define _S_IFLNK 0120000
426#endif
427
428#ifndef S_ISLNK
429#define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
430#endif
431
1e9f155a
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432#ifndef S_ISBLK
433#define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
434#endif
435
436#ifndef S_ISCHR
437#define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
438#endif
439
a0b65b18
AT
440#ifndef S_ISSOCK
441#ifdef _S_IFSOCK
442#define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
443#else
444#define S_ISSOCK(mode) (0)
445#endif
446#endif
447
448#ifndef S_ISFIFO
449#ifdef _S_IFIFO
450#define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
451#else
452#define S_ISFIFO(mode) (0)
453#endif
454#endif
455
1e9f155a
AT
456#ifndef S_ISDIR
457#define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
458#endif
459
460#ifndef S_ISREG
461#define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
462#endif
463
a0b65b18
AT
464
465#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
7bec6a5c 466
972a3619
DD
467#ifndef ACCESSPERMS
468#define ACCESSPERMS 0777
469#endif
5afd8aed
DD
470/* Initial mask on permissions given to temporary files. Mask off setuid
471 bits and group access because of potential race-condition security
472 holes, and mask other access because mode 707 is bizarre */
972a3619 473#define INITACCESSPERMS 0700
e08bfe12
AT
474
475/* handler for null strings in printf format */
476#define NS(s) ((s)?(s):"<NULL>")
477
478/* use magic gcc attributes to catch format errors */
ff41a59f 479 void rprintf(enum logcode , const char *, ...)
e08bfe12
AT
480#ifdef __GNUC__
481 __attribute__ ((format (printf, 2, 3)))
482#endif
483;
7b3d4257
AT
484
485#ifdef REPLACE_INET_NTOA
486#define inet_ntoa rep_inet_ntoa
487#endif
5a788ade
AT
488
489
490#ifndef HAVE_STRLCPY
491size_t strlcpy(char *d, const char *s, size_t bufsize);
492#endif
493
494#ifndef HAVE_STRLCAT
495size_t strlcat(char *d, const char *s, size_t bufsize);
496#endif
497
a9766ef1 498#define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)