Annotation of embedaddon/rsync/rsync.h, revision 1.1.1.3
1.1 misho 1: /*
2: * Copyright (C) 1996, 2000 Andrew Tridgell
3: * Copyright (C) 1996 Paul Mackerras
4: * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
1.1.1.3 ! misho 5: * Copyright (C) 2003-2015 Wayne Davison
1.1 misho 6: *
7: * This program is free software; you can redistribute it and/or modify
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.
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: *
17: * You should have received a copy of the GNU General Public License along
18: * with this program; if not, visit the http://fsf.org website.
19: */
20:
21: #define False 0
22: #define True 1
23:
24: #define BLOCK_SIZE 700
25: #define RSYNC_RSH_ENV "RSYNC_RSH"
26: #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
27:
28: #define RSYNC_NAME "rsync"
29: /* RSYNCD_SYSCONF is now set in config.h */
30: #define RSYNCD_USERCONF "rsyncd.conf"
31:
32: #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
33: #define URL_PREFIX "rsync://"
34:
35: #define SYMLINK_PREFIX "/rsyncd-munged/" /* This MUST have a trailing slash! */
36: #define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1)
37:
38: #define BACKUP_SUFFIX "~"
39:
40: /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
41: incompatible with older versions :-( */
42: #define CHAR_OFFSET 0
43:
44: /* These flags are only used during the flist transfer. */
45:
46: #define XMIT_TOP_DIR (1<<0)
47: #define XMIT_SAME_MODE (1<<1)
48: #define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */
49: #define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - now */
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)
55: #define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - now (devices only) */
56: #define XMIT_NO_CONTENT_DIR (1<<8) /* protocols 30 - now (dirs only) */
57: #define XMIT_HLINKED (1<<9) /* protocols 28 - now */
58: #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */
59: #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */
60: #define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */
61: #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
62: #define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - now (HLINKED files only) */
63: #define XMIT_IO_ERROR_ENDLIST (1<<12) /* protocols 31*- now (w/XMIT_EXTENDED_FLAGS) (also protocol 30 w/'f' compat flag) */
1.1.1.2 misho 64: #define XMIT_MOD_NSEC (1<<13) /* protocols 31 - now */
1.1 misho 65:
66: /* These flags are used in the live flist data. */
67:
68: #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
69: #define FLAG_OWNED_BY_US (1<<0) /* generator: set by make_file() for aux flists only */
70: #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */
71: #define FLAG_DIR_CREATED (1<<1) /* generator */
72: #define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */
73: #define FLAG_MOUNT_DIR (1<<3) /* sender/generator (dirs only) */
74: #define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */
75: #define FLAG_DUPLICATE (1<<4) /* sender */
76: #define FLAG_MISSING_DIR (1<<4) /* generator */
77: #define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */
78: #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */
79: #define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */
80: #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
81: #define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */
82: #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
83: #define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */
84: #define FLAG_TIME_FAILED (1<<11)/* generator */
1.1.1.2 misho 85: #define FLAG_MOD_NSEC (1<<12) /* sender/receiver/generator */
1.1 misho 86:
87: /* These flags are passed to functions but not stored. */
88:
89: #define FLAG_DIVERT_DIRS (1<<16) /* sender, but must be unique */
90:
91: /* These flags are for get_dirlist(). */
92: #define GDL_IGNORE_FILTER_RULES (1<<0)
93:
94: /* Some helper macros for matching bits. */
95: #define BITS_SET(val,bits) (((val) & (bits)) == (bits))
96: #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
97: #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
98: == ((unsigned)(b2) & (unsigned)(mask)))
99:
100: /* update this if you make incompatible changes */
1.1.1.2 misho 101: #define PROTOCOL_VERSION 31
1.1 misho 102:
103: /* This is used when working on a new protocol version in CVS, and should
104: * be a new non-zero value for each CVS change that affects the protocol.
105: * It must ALWAYS be 0 when the protocol goes final (and NEVER before)! */
106: #define SUBPROTOCOL_VERSION 0
107:
108: /* We refuse to interoperate with versions that are not in this range.
109: * Note that we assume we'll work with later versions: the onus is on
110: * people writing them to make sure that they don't send us anything
111: * we won't understand.
112: *
113: * Interoperation with old but supported protocol versions
114: * should cause a warning to be printed. At a future date
115: * the old protocol will become the minimum and
116: * compatibility code removed.
117: *
118: * There are two possible explanations for the limit at
119: * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
120: * do not interoperate with us, and (more likely) so that we can
121: * detect an attempt to connect rsync to a non-rsync server, which is
122: * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
123: * MAX_PROTOCOL_VERSION. */
124:
125: #define MIN_PROTOCOL_VERSION 20
126: #define OLD_PROTOCOL_VERSION 25
127: #define MAX_PROTOCOL_VERSION 40
128:
1.1.1.2 misho 129: #define MIN_FILECNT_LOOKAHEAD 1000
130: #define MAX_FILECNT_LOOKAHEAD 10000
1.1 misho 131:
132: #define RSYNC_PORT 873
133:
134: #define SPARSE_WRITE_SIZE (1024)
135: #define WRITE_SIZE (32*1024)
136: #define CHUNK_SIZE (32*1024)
137: #define MAX_MAP_SIZE (256*1024)
1.1.1.2 misho 138: #define IO_BUFFER_SIZE (32*1024)
1.1 misho 139: #define MAX_BLOCK_SIZE ((int32)1 << 17)
140:
141: /* For compatibility with older rsyncs */
142: #define OLD_MAX_BLOCK_SIZE ((int32)1 << 29)
143:
1.1.1.2 misho 144: #define ROUND_UP_1024(siz) ((siz) & (1024-1) ? ((siz) | (1024-1)) + 1 : (siz))
145:
1.1 misho 146: #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
147: #define IOERR_VANISHED (1<<1)
148: #define IOERR_DEL_LIMIT (1<<2)
149:
150: #define MAX_ARGS 1000
151: #define MAX_BASIS_DIRS 20
152: #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
153:
154: #define MPLEX_BASE 7
155:
156: #define NO_FILTERS 0
157: #define SERVER_FILTERS 1
158: #define ALL_FILTERS 2
159:
160: #define XFLG_FATAL_ERRORS (1<<0)
161: #define XFLG_OLD_PREFIXES (1<<1)
162: #define XFLG_ANCHORED2ABS (1<<2) /* leading slash indicates absolute */
163: #define XFLG_ABS_IF_SLASH (1<<3) /* leading or interior slash is absolute */
164: #define XFLG_DIR2WILD3 (1<<4) /* dir/ match gets trailing *** added */
165:
166: #define ATTRS_REPORT (1<<0)
167: #define ATTRS_SKIP_MTIME (1<<1)
168:
169: #define FULL_FLUSH 1
170: #define NORMAL_FLUSH 0
171:
172: #define PDIR_CREATE 1
173: #define PDIR_DELETE 0
174:
175: /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
176: #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
177: #define FNAMECMP_BASIS_DIR_HIGH 0x7F
178: #define FNAMECMP_FNAME 0x80
179: #define FNAMECMP_PARTIAL_DIR 0x81
180: #define FNAMECMP_BACKUP 0x82
181: #define FNAMECMP_FUZZY 0x83
182:
183: /* For use by the itemize_changes code */
184: #define ITEM_REPORT_ATIME (1<<0)
185: #define ITEM_REPORT_CHANGE (1<<1)
186: #define ITEM_REPORT_SIZE (1<<2) /* regular files only */
187: #define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */
188: #define ITEM_REPORT_TIME (1<<3)
189: #define ITEM_REPORT_PERMS (1<<4)
190: #define ITEM_REPORT_OWNER (1<<5)
191: #define ITEM_REPORT_GROUP (1<<6)
192: #define ITEM_REPORT_ACL (1<<7)
193: #define ITEM_REPORT_XATTR (1<<8)
194: #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
195: #define ITEM_XNAME_FOLLOWS (1<<12)
196: #define ITEM_IS_NEW (1<<13)
197: #define ITEM_LOCAL_CHANGE (1<<14)
198: #define ITEM_TRANSFER (1<<15)
199: /* These are outside the range of the transmitted flags. */
200: #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
201: #define ITEM_DELETED (1<<17) /* used by log_formatted() */
202: #define ITEM_MATCHED (1<<18) /* used by itemize() */
203:
204: #define SIGNIFICANT_ITEM_FLAGS (~(\
205: ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
206:
207: #define CFN_KEEP_DOT_DIRS (1<<0)
208: #define CFN_KEEP_TRAILING_SLASH (1<<1)
209: #define CFN_DROP_TRAILING_DOT_DIR (1<<2)
210: #define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3)
1.1.1.3 ! misho 211: #define CFN_REFUSE_DOT_DOT_DIRS (1<<4)
1.1 misho 212:
213: #define SP_DEFAULT 0
214: #define SP_KEEP_DOT_DIRS (1<<0)
215:
216: #define CD_NORMAL 0
217: #define CD_SKIP_CHDIR 1
218:
219: /* Log-message categories. FLOG only goes to the log file, not the client;
220: * FCLIENT is the opposite. */
221: enum logcode {
222: FNONE=0, /* never sent */
223: FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */
224: FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */
225: FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */
226: FERROR_UTF8=8, /* only sent via receiver -> generator pipe */
227: FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */
228: };
229:
230: /* Messages types that are sent over the message channel. The logcode
231: * values must all be present here with identical numbers. */
232: enum msgcode {
233: MSG_DATA=0, /* raw data on the multiplexed stream */
234: MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */
235: MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */
236: MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */
237: MSG_ERROR_UTF8=FERROR_UTF8, /* sibling logging */
238: MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */
239: MSG_REDO=9, /* reprocess indicated flist index */
1.1.1.2 misho 240: MSG_STATS=10, /* message has stats data for generator */
1.1 misho 241: MSG_IO_ERROR=22,/* the sending side had an I/O error */
1.1.1.2 misho 242: MSG_IO_TIMEOUT=33,/* tell client about a daemon's timeout value */
243: MSG_NOOP=42, /* a do-nothing message (legacy protocol-30 only) */
244: MSG_ERROR_EXIT=86, /* synchronize an error exit (siblings and protocol >= 31) */
1.1 misho 245: MSG_SUCCESS=100,/* successfully updated indicated flist index */
246: MSG_DELETED=101,/* successfully deleted a file on receiving side */
247: MSG_NO_SEND=102,/* sender failed to open a file we wanted */
248: };
249:
250: #define NDX_DONE -1
251: #define NDX_FLIST_EOF -2
1.1.1.2 misho 252: #define NDX_DEL_STATS -3
1.1 misho 253: #define NDX_FLIST_OFFSET -101
254:
1.1.1.2 misho 255: /* For calling delete_item() and delete_dir_contents(). */
256: #define DEL_NO_UID_WRITE (1<<0) /* file/dir has our uid w/o write perm */
257: #define DEL_RECURSE (1<<1) /* if dir, delete all contents */
258: #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
259: #define DEL_FOR_FILE (1<<3) /* making room for a replacement file */
260: #define DEL_FOR_DIR (1<<4) /* making room for a replacement dir */
261: #define DEL_FOR_SYMLINK (1<<5) /* making room for a replacement symlink */
262: #define DEL_FOR_DEVICE (1<<6) /* making room for a replacement device */
263: #define DEL_FOR_SPECIAL (1<<7) /* making room for a replacement special */
264: #define DEL_FOR_BACKUP (1<<8) /* the delete is for a backup operation */
265:
266: #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL)
267:
268: enum delret {
269: DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
270: };
271:
272: /* Defines for make_path() */
273: #define MKP_DROP_NAME (1<<0) /* drop trailing filename or trailing slash */
274: #define MKP_SKIP_SLASH (1<<1) /* skip one or more leading slashes */
275:
276: /* Defines for maybe_send_keepalive() */
277: #define MSK_ALLOW_FLUSH (1<<0)
278: #define MSK_ACTIVE_RECEIVER (1<<1)
279:
1.1 misho 280: #include "errcode.h"
281:
282: #include "config.h"
283:
284: /* The default RSYNC_RSH is always set in config.h. */
285:
286: #include <stdio.h>
287: #ifdef HAVE_SYS_TYPES_H
288: # include <sys/types.h>
289: #endif
290: #ifdef HAVE_SYS_STAT_H
291: # include <sys/stat.h>
292: #endif
293: #ifdef STDC_HEADERS
294: # include <stdlib.h>
295: # include <stddef.h>
296: #else
297: # ifdef HAVE_STDLIB_H
298: # include <stdlib.h>
299: # endif
300: #endif
301: #ifdef HAVE_STRING_H
302: # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
303: # include <memory.h>
304: # endif
305: # include <string.h>
306: #endif
307: #ifdef HAVE_STRINGS_H
308: # include <strings.h>
309: #endif
310: #ifdef HAVE_INTTYPES_H
311: # include <inttypes.h>
312: #endif
313: #ifdef HAVE_STDINT_H
314: # include <stdint.h>
315: #endif
316: #ifdef HAVE_UNISTD_H
317: # include <unistd.h>
318: #endif
319:
320: #ifdef HAVE_SYS_PARAM_H
321: #include <sys/param.h>
322: #endif
323:
324: #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
325: #include <malloc.h>
326: #endif
327:
328: #ifdef HAVE_SYS_SOCKET_H
329: #include <sys/socket.h>
330: #endif
331:
332: #ifdef TIME_WITH_SYS_TIME
333: #include <sys/time.h>
334: #include <time.h>
335: #else
336: #ifdef HAVE_SYS_TIME_H
337: #include <sys/time.h>
338: #else
339: #include <time.h>
340: #endif
341: #endif
342:
343: #ifdef HAVE_FCNTL_H
344: #include <fcntl.h>
345: #else
346: #ifdef HAVE_SYS_FCNTL_H
347: #include <sys/fcntl.h>
348: #endif
349: #endif
350:
351: #ifdef HAVE_SYS_IOCTL_H
352: #include <sys/ioctl.h>
353: #endif
354:
355: #ifdef HAVE_SYS_FILIO_H
356: #include <sys/filio.h>
357: #endif
358:
359: #include <signal.h>
360: #ifdef HAVE_SYS_WAIT_H
361: #include <sys/wait.h>
362: #endif
363: #ifdef HAVE_CTYPE_H
364: #include <ctype.h>
365: #endif
366: #ifdef HAVE_GRP_H
367: #include <grp.h>
368: #endif
369: #include <errno.h>
370:
371: #ifdef HAVE_UTIME_H
372: #include <utime.h>
373: #endif
374:
1.1.1.2 misho 375: #if defined HAVE_UTIMENSAT || defined HAVE_LUTIMES
1.1 misho 376: #define CAN_SET_SYMLINK_TIMES 1
377: #endif
378:
379: #if defined HAVE_LCHOWN || defined CHOWN_MODIFIES_SYMLINK
380: #define CAN_CHOWN_SYMLINK 1
381: #endif
382:
383: #if defined HAVE_LCHMOD || defined HAVE_SETATTRLIST
384: #define CAN_CHMOD_SYMLINK 1
385: #endif
386:
1.1.1.2 misho 387: #ifdef HAVE_UTIMENSAT
388: #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
389: #define ST_MTIME_NSEC st_mtim.tv_nsec
390: #elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
391: #define ST_MTIME_NSEC st_mtimensec
392: #endif
393: #endif
394:
1.1 misho 395: #ifdef HAVE_SYS_SELECT_H
396: #include <sys/select.h>
397: #endif
398:
399: #ifdef HAVE_SYS_MODE_H
400: /* apparently AIX needs this for S_ISLNK */
401: #ifndef S_ISLNK
402: #include <sys/mode.h>
403: #endif
404: #endif
405:
406: /* these are needed for the uid/gid mapping code */
407: #include <pwd.h>
408: #include <grp.h>
409:
410: #include <stdarg.h>
411: #include <netinet/in.h>
412: #include <arpa/inet.h>
413: #ifdef HAVE_NETDB_H
414: #include <netdb.h>
415: #endif
416: #include <syslog.h>
417: #include <sys/file.h>
418:
419: #ifdef HAVE_DIRENT_H
420: # include <dirent.h>
421: #else
422: # define dirent direct
423: # ifdef HAVE_SYS_NDIR_H
424: # include <sys/ndir.h>
425: # endif
426: # ifdef HAVE_SYS_DIR_H
427: # include <sys/dir.h>
428: # endif
429: # ifdef HAVE_NDIR_H
430: # include <ndir.h>
431: # endif
432: #endif
433:
434: #ifdef MAJOR_IN_MKDEV
435: #include <sys/mkdev.h>
436: # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
437: # define makedev mkdev
438: # endif
439: #elif defined MAJOR_IN_SYSMACROS
440: #include <sys/sysmacros.h>
441: #endif
442:
443: #ifdef MAKEDEV_TAKES_3_ARGS
444: #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
445: #else
446: #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
447: #endif
448:
449: #ifdef HAVE_COMPAT_H
450: #include <compat.h>
451: #endif
452:
453: #ifdef HAVE_LIMITS_H
454: # include <limits.h>
455: #endif
456:
457: #if defined USE_ICONV_OPEN && defined HAVE_ICONV_H
458: #include <iconv.h>
459: #ifndef ICONV_CONST
460: #define ICONV_CONST
461: #endif
462: #else
463: #ifdef ICONV_CONST
464: #undef ICONV_CONST
465: #endif
466: #ifdef ICONV_OPTION
467: #undef ICONV_OPTION
468: #endif
469: #ifdef iconv_t
470: #undef iconv_t
471: #endif
472: #define iconv_t int
473: #endif
474:
475: #include <assert.h>
476:
477: #include "lib/pool_alloc.h"
478:
479: #ifndef HAVE_ID_T
480: typedef unsigned int id_t;
481: #endif
482: #ifndef HAVE_PID_T
483: typedef int pid_t;
484: #endif
485: #ifndef HAVE_MODE_T
486: typedef unsigned int mode_t;
487: #endif
488: #ifndef HAVE_OFF_T
489: typedef long off_t;
490: #undef SIZEOF_OFF_T
491: #define SIZEOF_OFF_T SIZEOF_LONG
492: #endif
493: #ifndef HAVE_SIZE_T
494: typedef unsigned int size_t;
495: #endif
496:
497: #define BOOL int
498:
499: #ifndef uchar
500: #define uchar unsigned char
501: #endif
502:
503: #ifdef SIGNED_CHAR_OK
504: #define schar signed char
505: #else
506: #define schar char
507: #endif
508:
509: #ifndef int16
510: #if SIZEOF_INT16_T == 2
511: # define int16 int16_t
512: #else
513: # define int16 short
514: #endif
515: #endif
516:
517: #ifndef uint16
518: #if SIZEOF_UINT16_T == 2
519: # define uint16 uint16_t
520: #else
521: # define uint16 unsigned int16
522: #endif
523: #endif
524:
525: /* Find a variable that is either exactly 32-bits or longer.
526: * If some code depends on 32-bit truncation, it will need to
527: * take special action in a "#if SIZEOF_INT32 > 4" section. */
528: #ifndef int32
529: #if SIZEOF_INT32_T == 4
530: # define int32 int32_t
531: # define SIZEOF_INT32 4
532: #elif SIZEOF_INT == 4
533: # define int32 int
534: # define SIZEOF_INT32 4
535: #elif SIZEOF_LONG == 4
536: # define int32 long
537: # define SIZEOF_INT32 4
538: #elif SIZEOF_SHORT == 4
539: # define int32 short
540: # define SIZEOF_INT32 4
541: #elif SIZEOF_INT > 4
542: # define int32 int
543: # define SIZEOF_INT32 SIZEOF_INT
544: #elif SIZEOF_LONG > 4
545: # define int32 long
546: # define SIZEOF_INT32 SIZEOF_LONG
547: #else
548: # error Could not find a 32-bit integer variable
549: #endif
550: #else
551: # define SIZEOF_INT32 4
552: #endif
553:
554: #ifndef uint32
555: #if SIZEOF_UINT32_T == 4
556: # define uint32 uint32_t
557: #else
558: # define uint32 unsigned int32
559: #endif
560: #endif
561:
562: #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
563: #define OFF_T off_t
564: #define STRUCT_STAT struct stat
565: #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T
566: #else
567: #define OFF_T off64_t
568: #define STRUCT_STAT struct stat64
569: #define USE_STAT64_FUNCS 1
570: #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T
571: #endif
572:
573: /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
574: * that's the maximum size the file system can handle and there is no
575: * 64-bit type available. The rsync source must therefore take steps
576: * to ensure that any code that really requires a 64-bit integer has
577: * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
578: * counter). */
579: #if SIZEOF_INT64_T == 8
580: # define int64 int64_t
581: # define SIZEOF_INT64 8
582: #elif SIZEOF_LONG == 8
583: # define int64 long
584: # define SIZEOF_INT64 8
585: #elif SIZEOF_INT == 8
586: # define int64 int
587: # define SIZEOF_INT64 8
588: #elif SIZEOF_LONG_LONG == 8
589: # define int64 long long
590: # define SIZEOF_INT64 8
591: #elif SIZEOF_OFF64_T == 8
592: # define int64 off64_t
593: # define SIZEOF_INT64 8
594: #elif SIZEOF_OFF_T == 8
595: # define int64 off_t
596: # define SIZEOF_INT64 8
597: #elif SIZEOF_INT > 8
598: # define int64 int
599: # define SIZEOF_INT64 SIZEOF_INT
600: #elif SIZEOF_LONG > 8
601: # define int64 long
602: # define SIZEOF_INT64 SIZEOF_LONG
603: #elif SIZEOF_LONG_LONG > 8
604: # define int64 long long
605: # define SIZEOF_INT64 SIZEOF_LONG_LONG
606: #else
607: /* As long as it gets... */
608: # define int64 off_t
609: # define SIZEOF_INT64 SIZEOF_OFF_T
610: #endif
611:
612: struct hashtable {
613: void *nodes;
614: int32 size, entries;
615: uint32 node_size;
1.1.1.2 misho 616: short key64;
1.1 misho 617: };
618:
619: struct ht_int32_node {
620: void *data;
621: int32 key;
622: };
623:
624: struct ht_int64_node {
625: void *data;
626: int64 key;
627: };
628:
629: #define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size))
630: #define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \
631: : (int64)((struct ht_int32_node*)(node))->key)
632:
633: #ifndef MIN
634: #define MIN(a,b) ((a)<(b)?(a):(b))
635: #endif
636:
637: #ifndef MAX
638: #define MAX(a,b) ((a)>(b)?(a):(b))
639: #endif
640:
641: #ifndef MAXHOSTNAMELEN
642: #define MAXHOSTNAMELEN 256
643: #endif
644:
645: #define SUM_LENGTH 16
646: #define SHORT_SUM_LENGTH 2
647: #define BLOCKSUM_BIAS 10
648:
649: #ifndef MAXPATHLEN
650: #define MAXPATHLEN 1024
651: #endif
652:
653: /* We want a roomy line buffer that can hold more than MAXPATHLEN,
654: * and significantly more than an overly short MAXPATHLEN. */
655: #if MAXPATHLEN < 4096
656: #define BIGPATHBUFLEN (4096+1024)
657: #else
658: #define BIGPATHBUFLEN (MAXPATHLEN+1024)
659: #endif
660:
661: #ifndef NAME_MAX
662: #define NAME_MAX 255
663: #endif
664:
665: #ifndef INADDR_NONE
666: #define INADDR_NONE 0xffffffff
667: #endif
668:
669: #ifndef IN_LOOPBACKNET
670: #define IN_LOOPBACKNET 127
671: #endif
672:
673: #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
674: #define ACLS_NEED_MASK 1
675: #endif
676:
1.1.1.2 misho 677: #if defined HAVE_FALLOCATE || HAVE_SYS_FALLOCATE
678: #ifdef HAVE_LINUX_FALLOC_H
679: #include <linux/falloc.h>
680: #endif
681: #ifdef FALLOC_FL_KEEP_SIZE
682: #define SUPPORT_PREALLOCATION 1
683: #elif defined HAVE_FTRUNCATE
684: #define SUPPORT_PREALLOCATION 1
685: #define PREALLOCATE_NEEDS_TRUNCATE 1
686: #endif
687: #else /* !fallocate */
688: #if defined HAVE_EFFICIENT_POSIX_FALLOCATE && defined HAVE_FTRUNCATE
689: #define SUPPORT_PREALLOCATION 1
690: #define PREALLOCATE_NEEDS_TRUNCATE 1
691: #endif
692: #endif
693:
1.1 misho 694: union file_extras {
695: int32 num;
696: uint32 unum;
697: };
698:
699: struct file_struct {
700: const char *dirname; /* The dir info inside the transfer */
701: time_t modtime; /* When the item was last modified */
702: uint32 len32; /* Lowest 32 bits of the file's length */
703: uint16 mode; /* The item's type and permissions */
704: uint16 flags; /* The FLAG_* bits for this item */
705: const char basename[1]; /* The basename (AKA filename) follows */
706: };
707:
708: extern int file_extra_cnt;
709: extern int inc_recurse;
710: extern int uid_ndx;
711: extern int gid_ndx;
712: extern int acls_ndx;
713: extern int xattrs_ndx;
714:
715: #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
716: #define EXTRA_LEN (sizeof (union file_extras))
717: #define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
718: #define DEV_EXTRA_CNT 2
719: #define DIRNODE_EXTRA_CNT 3
720: #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
721:
722: #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
723: #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
724:
1.1.1.2 misho 725: #define NSEC_BUMP(f) ((f)->flags & FLAG_MOD_NSEC ? 1 : 0)
1.1 misho 726: #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
1.1.1.2 misho 727: #define START_BUMP(f) (NSEC_BUMP(f) + LEN64_BUMP(f))
1.1 misho 728: #define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0)
729: #define ACL_BUMP(f) (acls_ndx ? 1 : 0)
730:
731: /* The length applies to all items. */
732: #if SIZEOF_INT64 < 8
733: #define F_LENGTH(f) ((int64)(f)->len32)
734: #else
735: #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
1.1.1.2 misho 736: ? (int64)OPT_EXTRA(f, NSEC_BUMP(f))->unum << 32 : 0))
1.1 misho 737: #endif
738:
1.1.1.2 misho 739: #define F_MOD_NSEC(f) ((f)->flags & FLAG_MOD_NSEC ? OPT_EXTRA(f, 0)->unum : 0)
740:
1.1 misho 741: /* If there is a symlink string, it is always right after the basename */
742: #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
743:
744: /* The sending side always has this available: */
745: #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT))
746:
747: /* The receiving side always has this available: */
748: #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
749:
750: /* When the associated option is on, all entries will have these present: */
751: #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum
752: #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum
753: #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num
754: #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num
755: #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num
756:
757: /* These items are per-entry optional: */
1.1.1.2 misho 758: #define F_HL_GNUM(f) OPT_EXTRA(f, START_BUMP(f))->num /* non-dirs */
759: #define F_HL_PREV(f) OPT_EXTRA(f, START_BUMP(f)+inc_recurse)->num /* non-dirs */
760: #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, START_BUMP(f) \
1.1 misho 761: + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */
1.1.1.2 misho 762: #define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, START_BUMP(f) + DIRNODE_EXTRA_CNT \
1.1 misho 763: + PTR_EXTRA_CNT - 1)->num) /* sender dirs */
1.1.1.2 misho 764: #define F_DIR_DEFACL(f) OPT_EXTRA(f, START_BUMP(f))->unum /* receiver dirs */
765: #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + ACL_BUMP(f) \
1.1 misho 766: + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */
767:
1.1.1.2 misho 768: /* This optional item might follow an F_HL_*() item. */
769: #define F_RDEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum)
1.1 misho 770:
771: /* The sum is only present on regular files. */
1.1.1.2 misho 772: #define F_SUM(f) ((char*)OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) \
1.1 misho 773: + SUM_EXTRA_CNT - 1))
774:
775: /* Some utility defines: */
776: #define F_IS_ACTIVE(f) (f)->basename[0]
777: #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
778:
779: #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
780: #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
781:
782: /* These access the F_DIR_DEV_P() and F_RDEV_P() values: */
783: #define DEV_MAJOR(a) (a)[0]
784: #define DEV_MINOR(a) (a)[1]
785:
786: /* These access the F_DIRS_NODE_P() values: */
787: #define DIR_PARENT(a) (a)[0]
788: #define DIR_FIRST_CHILD(a) (a)[1]
789: #define DIR_NEXT_SIBLING(a) (a)[2]
790:
1.1.1.3 ! misho 791: #define IS_MISSING_FILE(statbuf) ((statbuf).st_mode == 0)
! 792:
1.1 misho 793: /*
794: * Start the flist array at FLIST_START entries and grow it
795: * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
796: */
797: #define FLIST_START (32 * 1024)
798: #define FLIST_LINEAR (FLIST_START * 512)
799:
800: /*
801: * Extent size for allocation pools: A minimum size of 128KB
802: * is needed to mmap them so that freeing will release the
803: * space to the OS.
804: *
805: * Larger sizes reduce leftover fragments and speed free calls
806: * (when they happen). Smaller sizes increase the chance of
807: * freed allocations freeing whole extents.
808: */
809: #define NORMAL_EXTENT (256 * 1024)
810: #define SMALL_EXTENT (128 * 1024)
811:
812: #define FLIST_TEMP (1<<1)
813:
814: struct file_list {
815: struct file_list *next, *prev;
816: struct file_struct **files, **sorted;
817: alloc_pool_t file_pool;
818: void *pool_boundary;
819: int used, malloced;
820: int low, high; /* 0-relative index values excluding empties */
821: int ndx_start; /* the start offset for inc_recurse mode */
822: int flist_num; /* 1-relative file_list number or 0 */
823: int parent_ndx; /* dir_flist index of parent directory */
824: int in_progress, to_redo;
825: };
826:
827: #define SUMFLG_SAME_OFFSET (1<<0)
828:
829: struct sum_buf {
830: OFF_T offset; /**< offset in file of this chunk */
831: int32 len; /**< length of chunk of file */
832: uint32 sum1; /**< simple checksum */
833: int32 chain; /**< next hash-table collision */
834: short flags; /**< flag bits */
835: char sum2[SUM_LENGTH]; /**< checksum */
836: };
837:
838: struct sum_struct {
839: OFF_T flength; /**< total file length */
840: struct sum_buf *sums; /**< points to info for each chunk */
841: int32 count; /**< how many chunks */
842: int32 blength; /**< block_length */
843: int32 remainder; /**< flength % block_length */
844: int s2length; /**< sum2_length */
845: };
846:
847: struct map_struct {
848: OFF_T file_size; /* File size (from stat) */
849: OFF_T p_offset; /* Window start */
850: OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
851: char *p; /* Window pointer */
852: int32 p_size; /* Largest window size we allocated */
853: int32 p_len; /* Latest (rounded) window size */
854: int32 def_window_size; /* Default window size */
855: int fd; /* File Descriptor */
856: int status; /* first errno from read errors */
857: };
858:
1.1.1.2 misho 859: #define FILTRULE_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
860: #define FILTRULE_WILD2 (1<<1) /* pattern has '**' */
861: #define FILTRULE_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
862: #define FILTRULE_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
863: #define FILTRULE_ABS_PATH (1<<4) /* path-match on absolute path */
864: #define FILTRULE_INCLUDE (1<<5) /* this is an include, not an exclude */
865: #define FILTRULE_DIRECTORY (1<<6) /* this matches only directories */
866: #define FILTRULE_WORD_SPLIT (1<<7) /* split rules on whitespace */
867: #define FILTRULE_NO_INHERIT (1<<8) /* don't inherit these rules */
868: #define FILTRULE_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
869: #define FILTRULE_MERGE_FILE (1<<10)/* specifies a file to merge */
870: #define FILTRULE_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
871: #define FILTRULE_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
872: #define FILTRULE_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
873: #define FILTRULE_NEGATE (1<<14)/* rule matches when pattern does not */
874: #define FILTRULE_CVS_IGNORE (1<<15)/* rule was -C or :C */
875: #define FILTRULE_SENDER_SIDE (1<<16)/* rule applies to the sending side */
876: #define FILTRULE_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
877: #define FILTRULE_CLEAR_LIST (1<<18)/* this item is the "!" token */
878: #define FILTRULE_PERISHABLE (1<<19)/* perishable if parent dir goes away */
879:
880: #define FILTRULES_SIDES (FILTRULE_SENDER_SIDE | FILTRULE_RECEIVER_SIDE)
1.1 misho 881:
1.1.1.2 misho 882: typedef struct filter_struct {
1.1 misho 883: struct filter_struct *next;
884: char *pattern;
1.1.1.2 misho 885: uint32 rflags;
1.1 misho 886: union {
887: int slash_cnt;
888: struct filter_list_struct *mergelist;
889: } u;
1.1.1.2 misho 890: } filter_rule;
1.1 misho 891:
1.1.1.2 misho 892: typedef struct filter_list_struct {
893: filter_rule *head;
894: filter_rule *tail;
1.1 misho 895: char *debug_type;
1.1.1.2 misho 896: } filter_rule_list;
1.1 misho 897:
898: struct stats {
899: int64 total_size;
900: int64 total_transferred_size;
901: int64 total_written;
902: int64 total_read;
903: int64 literal_data;
904: int64 matched_data;
905: int64 flist_buildtime;
906: int64 flist_xfertime;
907: int64 flist_size;
1.1.1.2 misho 908: int num_files, num_dirs, num_symlinks, num_devices, num_specials;
909: int created_files, created_dirs, created_symlinks, created_devices, created_specials;
910: int deleted_files, deleted_dirs, deleted_symlinks, deleted_devices, deleted_specials;
911: int xferred_files;
1.1 misho 912: };
913:
914: struct chmod_mode_struct;
915:
916: struct flist_ndx_item {
917: struct flist_ndx_item *next;
918: int ndx;
919: };
920:
921: typedef struct {
922: struct flist_ndx_item *head, *tail;
923: } flist_ndx_list;
924:
925: #define EMPTY_ITEM_LIST {NULL, 0, 0}
926:
927: typedef struct {
928: void *items;
929: size_t count;
930: size_t malloced;
931: } item_list;
932:
933: #define EXPAND_ITEM_LIST(lp, type, incr) \
934: (type*)expand_item_list(lp, sizeof (type), #type, incr)
935:
936: #define EMPTY_XBUF {NULL, 0, 0, 0}
937:
938: typedef struct {
939: char *buf;
940: size_t pos; /* pos = read pos in the buf */
941: size_t len; /* len = chars following pos */
942: size_t size; /* size = total space in buf */
943: } xbuf;
944:
945: #define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0
1.1.1.2 misho 946: #define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0
1.1 misho 947: /* This one is used to make an output xbuf based on a char[] buffer: */
948: #define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0
949:
950: #define ICB_EXPAND_OUT (1<<0)
951: #define ICB_INCLUDE_BAD (1<<1)
952: #define ICB_INCLUDE_INCOMPLETE (1<<2)
1.1.1.2 misho 953: #define ICB_CIRCULAR_OUT (1<<3)
954: #define ICB_INIT (1<<4)
955:
956: #define IOBUF_KEEP_BUFS 0
957: #define IOBUF_FREE_BUFS 1
958:
959: #define MPLX_SWITCHING IOBUF_KEEP_BUFS
960: #define MPLX_ALL_DONE IOBUF_FREE_BUFS
961: #define MPLX_TO_BUFFERED 2
1.1 misho 962:
963: #define RL_EOL_NULLS (1<<0)
964: #define RL_DUMP_COMMENTS (1<<1)
965: #define RL_CONVERT (1<<2)
966:
967: typedef struct {
968: char name_type;
969: char fname[1]; /* has variable size */
970: } relnamecache;
971:
972: #include "byteorder.h"
973: #include "lib/mdigest.h"
974: #include "lib/wildmatch.h"
975: #include "lib/permstring.h"
976: #include "lib/addrinfo.h"
977:
978: #ifndef __GNUC__
979: #define __attribute__(x)
980: #else
981: # if __GNUC__ <= 2
982: # define NORETURN
983: # endif
984: #endif
985:
986: #define UNUSED(x) x __attribute__((__unused__))
987: #ifndef NORETURN
988: #define NORETURN __attribute__((__noreturn__))
989: #endif
990:
991: typedef struct {
992: STRUCT_STAT st;
993: #ifdef SUPPORT_ACLS
994: struct rsync_acl *acc_acl; /* access ACL */
995: struct rsync_acl *def_acl; /* default ACL */
1.1.1.3 ! misho 996: struct nfs4_acl *nfs4_acl; /* NFSv4 ACL */
! 997: int brand;
1.1 misho 998: #endif
999: #ifdef SUPPORT_XATTRS
1000: item_list *xattr;
1001: #endif
1002: } stat_x;
1003:
1.1.1.3 ! misho 1004: #ifdef SUPPORT_ACLS
! 1005: #include "lib/sysacls.h"
! 1006: #endif
! 1007:
! 1008: #define ACL_READY_POSIX(sx) ((sx).acc_acl != NULL)
! 1009: #define ACL_READY_NFS4(sx) ((sx).nfs4_acl != NULL)
! 1010: #define ACL_READY(sx) (((sx).brand == SMB_ACL_BRAND_NFS4) ? (ACL_READY_NFS4(sx)) : (ACL_READY_POSIX(sx)))
! 1011:
1.1 misho 1012: #define XATTR_READY(sx) ((sx).xattr != NULL)
1013:
1014: #include "proto.h"
1015:
1016: #ifndef SUPPORT_XATTRS
1017: #define x_stat(fn,fst,xst) do_stat(fn,fst)
1018: #define x_lstat(fn,fst,xst) do_lstat(fn,fst)
1019: #define x_fstat(fd,fst,xst) do_fstat(fd,fst)
1020: #endif
1021:
1022: /* We have replacement versions of these if they're missing. */
1023: #ifndef HAVE_ASPRINTF
1024: int asprintf(char **ptr, const char *format, ...);
1025: #endif
1026:
1027: #ifndef HAVE_VASPRINTF
1028: int vasprintf(char **ptr, const char *format, va_list ap);
1029: #endif
1030:
1031: #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
1032: #define vsnprintf rsync_vsnprintf
1033: int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1034: #endif
1035:
1036: #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
1037: #define snprintf rsync_snprintf
1038: int snprintf(char *str, size_t count, const char *fmt,...);
1039: #endif
1040:
1041:
1042: #ifndef HAVE_STRERROR
1043: extern char *sys_errlist[];
1044: #define strerror(i) sys_errlist[i]
1045: #endif
1046:
1047: #ifndef HAVE_STRCHR
1048: # define strchr index
1049: # define strrchr rindex
1050: #endif
1051:
1052: #ifndef HAVE_ERRNO_DECL
1053: extern int errno;
1054: #endif
1055:
1056: #ifdef HAVE_READLINK
1057: #define SUPPORT_LINKS 1
1.1.1.2 misho 1058: #if !defined NO_SYMLINK_XATTRS && !defined NO_SYMLINK_USER_XATTRS
1059: #define do_readlink(path, buf, bufsiz) readlink(path, buf, bufsiz)
1060: #endif
1.1 misho 1061: #endif
1062: #ifdef HAVE_LINK
1063: #define SUPPORT_HARD_LINKS 1
1064: #endif
1065:
1066: #ifdef HAVE_SIGACTION
1067: #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
1068: #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
1069: #else
1070: #define SIGACTION(n,h) signal(n,h)
1071: #endif
1072:
1073: #ifndef EWOULDBLOCK
1074: #define EWOULDBLOCK EAGAIN
1075: #endif
1076:
1077: #ifndef STDIN_FILENO
1078: #define STDIN_FILENO 0
1079: #endif
1080:
1081: #ifndef STDOUT_FILENO
1082: #define STDOUT_FILENO 1
1083: #endif
1084:
1085: #ifndef STDERR_FILENO
1086: #define STDERR_FILENO 2
1087: #endif
1088:
1089: #ifndef S_IRUSR
1090: #define S_IRUSR 0400
1091: #endif
1092:
1093: #ifndef S_IWUSR
1094: #define S_IWUSR 0200
1095: #endif
1096:
1097: #ifndef ACCESSPERMS
1098: #define ACCESSPERMS 0777
1099: #endif
1100:
1101: #ifndef S_ISVTX
1102: #define S_ISVTX 0
1103: #endif
1104:
1105: #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
1106:
1107: #ifndef _S_IFMT
1108: #define _S_IFMT 0170000
1109: #endif
1110:
1111: #ifndef _S_IFLNK
1112: #define _S_IFLNK 0120000
1113: #endif
1114:
1115: #ifndef S_ISLNK
1116: #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
1117: #endif
1118:
1119: #ifndef S_ISBLK
1120: #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
1121: #endif
1122:
1123: #ifndef S_ISCHR
1124: #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
1125: #endif
1126:
1127: #ifndef S_ISSOCK
1128: #ifdef _S_IFSOCK
1129: #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
1130: #else
1131: #define S_ISSOCK(mode) (0)
1132: #endif
1133: #endif
1134:
1135: #ifndef S_ISFIFO
1136: #ifdef _S_IFIFO
1137: #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
1138: #else
1139: #define S_ISFIFO(mode) (0)
1140: #endif
1141: #endif
1142:
1143: #ifndef S_ISDIR
1144: #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
1145: #endif
1146:
1147: #ifndef S_ISREG
1148: #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
1149: #endif
1150:
1151: /* work out what fcntl flag to use for non-blocking */
1152: #ifdef O_NONBLOCK
1153: # define NONBLOCK_FLAG O_NONBLOCK
1154: #elif defined SYSV
1155: # define NONBLOCK_FLAG O_NDELAY
1156: #else
1157: # define NONBLOCK_FLAG FNDELAY
1158: #endif
1159:
1160: #ifndef INADDR_LOOPBACK
1161: #define INADDR_LOOPBACK 0x7f000001
1162: #endif
1163:
1164: #ifndef INADDR_NONE
1165: #define INADDR_NONE 0xffffffff
1166: #endif
1167:
1168: #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
1169: #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
1170:
1171: #define PRESERVE_FILE_TIMES (1<<0)
1172: #define PRESERVE_DIR_TIMES (1<<1)
1173: #define PRESERVE_LINK_TIMES (1<<2)
1174:
1175: /* Initial mask on permissions given to temporary files. Mask off setuid
1176: bits and group access because of potential race-condition security
1177: holes, and mask other access because mode 707 is bizarre */
1178: #define INITACCESSPERMS 0700
1179:
1180: /* handler for null strings in printf format */
1181: #define NS(s) ((s)?(s):"<NULL>")
1182:
1183: /* Convenient wrappers for malloc and realloc. Use them. */
1184: #define new(type) ((type*)malloc(sizeof (type)))
1185: #define new0(type) ((type*)calloc(1, sizeof (type)))
1186: #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0))
1187: #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1))
1188: #define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num)))
1189:
1190: /* use magic gcc attributes to catch format errors */
1191: void rprintf(enum logcode , const char *, ...)
1192: __attribute__((format (printf, 2, 3)))
1193: ;
1194:
1195: /* This is just like rprintf, but it also tries to print some
1196: * representation of the error code. Normally errcode = errno. */
1197: void rsyserr(enum logcode, int, const char *, ...)
1198: __attribute__((format (printf, 3, 4)))
1199: ;
1200:
1201: /* Make sure that the O_BINARY flag is defined. */
1202: #ifndef O_BINARY
1203: #define O_BINARY 0
1204: #endif
1205:
1206: #ifndef HAVE_STRLCPY
1207: size_t strlcpy(char *d, const char *s, size_t bufsize);
1208: #endif
1209:
1210: #ifndef HAVE_STRLCAT
1211: size_t strlcat(char *d, const char *s, size_t bufsize);
1212: #endif
1213:
1214: #ifndef WEXITSTATUS
1215: #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
1216: #endif
1217: #ifndef WIFEXITED
1218: #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
1219: #endif
1220:
1221: #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
1222:
1223: #ifdef HAVE_GETEUID
1224: #define MY_UID() geteuid()
1225: #else
1226: #define MY_UID() getuid()
1227: #endif
1228:
1229: #ifdef HAVE_GETEGID
1230: #define MY_GID() getegid()
1231: #else
1232: #define MY_GID() getgid()
1233: #endif
1234:
1235: #ifdef FORCE_FD_ZERO_MEMSET
1236: #undef FD_ZERO
1237: #define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set))
1238: #endif
1239:
1.1.1.2 misho 1240: extern short info_levels[], debug_levels[];
1241:
1242: #define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl))
1243: #define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl))
1244: #define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl))
1245: #define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl))
1246:
1247: #define INFO_BACKUP 0
1248: #define INFO_COPY (INFO_BACKUP+1)
1249: #define INFO_DEL (INFO_COPY+1)
1250: #define INFO_FLIST (INFO_DEL+1)
1251: #define INFO_MISC (INFO_FLIST+1)
1252: #define INFO_MOUNT (INFO_MISC+1)
1253: #define INFO_NAME (INFO_MOUNT+1)
1254: #define INFO_PROGRESS (INFO_NAME+1)
1255: #define INFO_REMOVE (INFO_PROGRESS+1)
1256: #define INFO_SKIP (INFO_REMOVE+1)
1257: #define INFO_STATS (INFO_SKIP+1)
1258: #define INFO_SYMSAFE (INFO_STATS+1)
1259:
1260: #define COUNT_INFO (INFO_SYMSAFE+1)
1261:
1262: #define DEBUG_ACL 0
1263: #define DEBUG_BACKUP (DEBUG_ACL+1)
1264: #define DEBUG_BIND (DEBUG_BACKUP+1)
1265: #define DEBUG_CHDIR (DEBUG_BIND+1)
1266: #define DEBUG_CONNECT (DEBUG_CHDIR+1)
1267: #define DEBUG_CMD (DEBUG_CONNECT+1)
1268: #define DEBUG_DEL (DEBUG_CMD+1)
1269: #define DEBUG_DELTASUM (DEBUG_DEL+1)
1270: #define DEBUG_DUP (DEBUG_DELTASUM+1)
1271: #define DEBUG_EXIT (DEBUG_DUP+1)
1272: #define DEBUG_FILTER (DEBUG_EXIT+1)
1273: #define DEBUG_FLIST (DEBUG_FILTER+1)
1274: #define DEBUG_FUZZY (DEBUG_FLIST+1)
1275: #define DEBUG_GENR (DEBUG_FUZZY+1)
1276: #define DEBUG_HASH (DEBUG_GENR+1)
1277: #define DEBUG_HLINK (DEBUG_HASH+1)
1278: #define DEBUG_ICONV (DEBUG_HLINK+1)
1279: #define DEBUG_IO (DEBUG_ICONV+1)
1280: #define DEBUG_OWN (DEBUG_IO+1)
1281: #define DEBUG_PROTO (DEBUG_OWN+1)
1282: #define DEBUG_RECV (DEBUG_PROTO+1)
1283: #define DEBUG_SEND (DEBUG_RECV+1)
1284: #define DEBUG_TIME (DEBUG_SEND+1)
1285:
1286: #define COUNT_DEBUG (DEBUG_TIME+1)
1.1 misho 1287:
1288: #ifndef HAVE_INET_NTOP
1289: const char *inet_ntop(int af, const void *src, char *dst, size_t size);
1290: #endif
1291:
1292: #ifndef HAVE_INET_PTON
1293: int inet_pton(int af, const char *src, void *dst);
1294: #endif
1295:
1.1.1.2 misho 1296: #ifndef HAVE_GETPASS
1297: char *getpass(const char *prompt);
1298: #endif
1299:
1.1 misho 1300: #ifdef MAINTAINER_MODE
1301: const char *get_panic_action(void);
1302: #endif
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