2 * Copyright (C) 1996, 2000 Andrew Tridgell
3 * Copyright (C) 1996 Paul Mackerras
4 * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
5 * Copyright (C) 2003-2007 Wayne Davison
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
24 #define BLOCK_SIZE 700
25 #define RSYNC_RSH_ENV "RSYNC_RSH"
26 #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
28 #define RSYNC_NAME "rsync"
29 /* RSYNCD_SYSCONF is now set in config.h */
30 #define RSYNCD_USERCONF "rsyncd.conf"
32 #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
33 #define URL_PREFIX "rsync://"
35 #define BACKUP_SUFFIX "~"
37 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
38 incompatible with older versions :-( */
41 /* These flags are only used during the flist transfer. */
43 #define XMIT_TOP_DIR (1<<0)
44 #define XMIT_SAME_MODE (1<<1)
45 #define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */
46 #define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - NOW */
47 #define XMIT_SAME_UID (1<<3)
48 #define XMIT_SAME_GID (1<<4)
49 #define XMIT_SAME_NAME (1<<5)
50 #define XMIT_LONG_NAME (1<<6)
51 #define XMIT_SAME_TIME (1<<7)
52 #define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - NOW */
53 #define XMIT_HLINKED (1<<9) /* protocols 28 - NOW */
54 #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */
55 #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - NOW */
56 #define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */
57 #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - NOW */
58 #define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - NOW */
60 /* These flags are used in the live flist data. */
62 #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
63 #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */
64 #define FLAG_DIR_CHANGED (1<<1) /* generator */
65 #define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */
66 #define FLAG_MOUNT_DIR (1<<3) /* sender/generator */
67 #define FLAG_MISSING_DIR (1<<4) /* generator */
68 #define FLAG_HLINKED (1<<5) /* receiver/generator */
69 #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
70 #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
71 #define FLAG_HLINK_DONE (1<<8) /* receiver/generator */
72 #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
74 /* These flags are passed to functions but not stored. */
76 #define FLAG_DIVERT_DIRS (1<<16)/* sender */
78 #define BITS_SET(val,bits) (((val) & (bits)) == (bits))
79 #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
80 #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
81 == ((unsigned)(b2) & (unsigned)(mask)))
83 /* update this if you make incompatible changes */
84 #define PROTOCOL_VERSION 30
86 /* This is used when working on a new protocol version in CVS, and should
87 * be a new non-zero value for each CVS change that affects the protocol.
88 * It must ALWAYS be 0 when the protocol goes final! */
89 #define SUBPROTOCOL_VERSION 2
91 /* We refuse to interoperate with versions that are not in this range.
92 * Note that we assume we'll work with later versions: the onus is on
93 * people writing them to make sure that they don't send us anything
94 * we won't understand.
96 * Interoperation with old but supported protocol versions
97 * should cause a warning to be printed. At a future date
98 * the old protocol will become the minimum and
99 * compatibility code removed.
101 * There are two possible explanations for the limit at
102 * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
103 * do not interoperate with us, and (more likely) so that we can
104 * detect an attempt to connect rsync to a non-rsync server, which is
105 * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
106 * MAX_PROTOCOL_VERSION. */
108 #define MIN_PROTOCOL_VERSION 20
109 #define OLD_PROTOCOL_VERSION 25
110 #define MAX_PROTOCOL_VERSION 40
112 #define FILECNT_LOOKAHEAD 1000
114 #define RSYNC_PORT 873
116 #define SPARSE_WRITE_SIZE (1024)
117 #define WRITE_SIZE (32*1024)
118 #define CHUNK_SIZE (32*1024)
119 #define MAX_MAP_SIZE (256*1024)
120 #define IO_BUFFER_SIZE (4092)
121 #define MAX_BLOCK_SIZE ((int32)1 << 29)
123 #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
124 #define IOERR_VANISHED (1<<1)
125 #define IOERR_DEL_LIMIT (1<<2)
127 #define MAX_ARGS 1000
128 #define MAX_BASIS_DIRS 20
129 #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
134 #define SERVER_FILTERS 1
135 #define ALL_FILTERS 2
137 #define XFLG_FATAL_ERRORS (1<<0)
138 #define XFLG_OLD_PREFIXES (1<<1)
139 #define XFLG_ANCHORED2ABS (1<<2)
140 #define XFLG_ABS_IF_SLASH (1<<3)
142 #define ATTRS_REPORT (1<<0)
143 #define ATTRS_SKIP_MTIME (1<<1)
146 #define NORMAL_FLUSH 0
148 #define PDIR_CREATE 1
149 #define PDIR_DELETE 0
151 /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
152 #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
153 #define FNAMECMP_BASIS_DIR_HIGH 0x7F
154 #define FNAMECMP_FNAME 0x80
155 #define FNAMECMP_PARTIAL_DIR 0x81
156 #define FNAMECMP_BACKUP 0x82
157 #define FNAMECMP_FUZZY 0x83
159 /* For use by the itemize_changes code */
160 #define ITEM_REPORT_ATIME (1<<0)
161 #define ITEM_REPORT_CHECKSUM (1<<1)
162 #define ITEM_REPORT_SIZE (1<<2)
163 #define ITEM_REPORT_TIME (1<<3)
164 #define ITEM_REPORT_PERMS (1<<4)
165 #define ITEM_REPORT_OWNER (1<<5)
166 #define ITEM_REPORT_GROUP (1<<6)
167 #define ITEM_REPORT_ACL (1<<7)
168 #define ITEM_REPORT_XATTR (1<<8)
169 #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
170 #define ITEM_XNAME_FOLLOWS (1<<12)
171 #define ITEM_IS_NEW (1<<13)
172 #define ITEM_LOCAL_CHANGE (1<<14)
173 #define ITEM_TRANSFER (1<<15)
174 /* These are outside the range of the transmitted flags. */
175 #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
176 #define ITEM_DELETED (1<<17) /* used by log_formatted() */
177 #define ITEM_MATCHED (1<<18) /* used by itemize() */
179 #define SIGNIFICANT_ITEM_FLAGS (~(\
180 ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
183 /* Log-message categories. Only FERROR and FINFO get sent over the socket,
184 * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe.
185 * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */
186 enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=5 };
188 /* Messages types that are sent over the message channel. The logcode
189 * values must all be present here with identical numbers. */
191 MSG_DATA=0, /* raw data on the multiplexed stream */
192 MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
193 MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */
194 MSG_REDO=9, /* reprocess indicated flist index */
195 MSG_FLIST=20, /* extra file list over sibling socket */
196 MSG_FLIST_EOF=21,/* we've transmitted all the file lists */
197 MSG_IO_ERROR=22,/* the sending side had an I/O error */
198 MSG_NOOP=42, /* a do-nothing message */
199 MSG_SUCCESS=100,/* successfully updated indicated flist index */
200 MSG_DELETED=101,/* successfully deleted a file on receiving side */
201 MSG_NO_SEND=102,/* sender failed to open a file we wanted */
202 MSG_DONE=86 /* current phase is done */
206 #define NDX_FLIST_EOF -2
207 #define NDX_FLIST_OFFSET -101
213 /* The default RSYNC_RSH is always set in config.h. */
216 #ifdef HAVE_SYS_TYPES_H
217 # include <sys/types.h>
219 #ifdef HAVE_SYS_STAT_H
220 # include <sys/stat.h>
226 # ifdef HAVE_STDLIB_H
231 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
236 #ifdef HAVE_STRINGS_H
237 # include <strings.h>
239 #ifdef HAVE_INTTYPES_H
240 # include <inttypes.h>
246 #ifdef HAVE_SYS_PARAM_H
247 #include <sys/param.h>
250 #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
254 #ifdef HAVE_SYS_SOCKET_H
255 #include <sys/socket.h>
258 #ifdef TIME_WITH_SYS_TIME
259 #include <sys/time.h>
262 #ifdef HAVE_SYS_TIME_H
263 #include <sys/time.h>
272 #ifdef HAVE_SYS_FCNTL_H
273 #include <sys/fcntl.h>
277 #ifdef HAVE_SYS_IOCTL_H
278 #include <sys/ioctl.h>
281 #ifdef HAVE_SYS_FILIO_H
282 #include <sys/filio.h>
286 #ifdef HAVE_SYS_WAIT_H
287 #include <sys/wait.h>
301 #ifdef HAVE_SYS_SELECT_H
302 #include <sys/select.h>
305 #ifdef HAVE_SYS_MODE_H
306 /* apparently AIX needs this for S_ISLNK */
308 #include <sys/mode.h>
316 /* these are needed for the uid/gid mapping code */
321 #include <netinet/in.h>
322 #include <arpa/inet.h>
325 #include <sys/file.h>
330 # define dirent direct
331 # ifdef HAVE_SYS_NDIR_H
332 # include <sys/ndir.h>
334 # ifdef HAVE_SYS_DIR_H
335 # include <sys/dir.h>
342 #ifdef MAJOR_IN_MKDEV
343 #include <sys/mkdev.h>
344 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
345 # define makedev mkdev
347 #elif defined MAJOR_IN_SYSMACROS
348 #include <sys/sysmacros.h>
351 #ifdef MAKEDEV_TAKES_3_ARGS
352 #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
354 #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
367 #include "lib/pool_alloc.h"
372 #define uchar unsigned char
375 #ifdef SIGNED_CHAR_OK
376 #define schar signed char
382 #if SIZEOF_INT16_T == 2
383 # define int16 int16_t
390 #if SIZEOF_UINT16_T == 2
391 # define uint16 uint16_t
393 # define uint16 unsigned int16
397 /* Find a variable that is either exactly 32-bits or longer.
398 * If some code depends on 32-bit truncation, it will need to
399 * take special action in a "#if SIZEOF_INT32 > 4" section. */
401 #if SIZEOF_INT32_T == 4
402 # define int32 int32_t
403 # define SIZEOF_INT32 4
404 #elif SIZEOF_INT == 4
406 # define SIZEOF_INT32 4
407 #elif SIZEOF_LONG == 4
409 # define SIZEOF_INT32 4
410 #elif SIZEOF_SHORT == 4
412 # define SIZEOF_INT32 4
415 # define SIZEOF_INT32 SIZEOF_INT
416 #elif SIZEOF_LONG > 4
418 # define SIZEOF_INT32 SIZEOF_LONG
420 # error Could not find a 32-bit integer variable
423 # define SIZEOF_INT32 4
427 #if SIZEOF_UINT32_T == 4
428 # define uint32 uint32_t
430 # define uint32 unsigned int32
434 #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
436 #define STRUCT_STAT struct stat
438 #define OFF_T off64_t
439 #define STRUCT_STAT struct stat64
440 #define USE_STAT64_FUNCS 1
443 /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
444 * that's the maximum size the file system can handle and there is no
445 * 64-bit type available. The rsync source must therefore take steps
446 * to ensure that any code that really requires a 64-bit integer has
447 * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
449 #if SIZEOF_INT64_T == 8
450 # define int64 int64_t
451 # define SIZEOF_INT64 8
452 #elif SIZEOF_LONG == 8
454 # define SIZEOF_INT64 8
455 #elif SIZEOF_INT == 8
457 # define SIZEOF_INT64 8
458 #elif SIZEOF_LONG_LONG == 8
459 # define int64 long long
460 # define SIZEOF_INT64 8
461 #elif SIZEOF_OFF64_T == 8
462 # define int64 off64_t
463 # define SIZEOF_INT64 8
464 #elif SIZEOF_OFF_T == 8
466 # define SIZEOF_INT64 8
469 # define SIZEOF_INT64 SIZEOF_INT
470 #elif SIZEOF_LONG > 8
472 # define SIZEOF_INT64 SIZEOF_LONG
473 #elif SIZEOF_LONG_LONG > 8
474 # define int64 long long
475 # define SIZEOF_INT64 SIZEOF_LONG_LONG
477 /* As long as it gets... */
479 # define SIZEOF_INT64 SIZEOF_OFF_T
482 /* Starting from protocol version 26, we always use 64-bit
483 * ino_t and dev_t internally, even if this platform does not
484 * allow files to have 64-bit inums. That's because the
485 * receiver needs to find duplicate (dev,ino) tuples to detect
486 * hardlinks, and it might have files coming from a platform
487 * that has 64-bit inums.
489 * The only exception is if we're on a platform with no 64-bit type at
492 * Because we use read_longint() to get these off the wire, if you
493 * transfer devices or hardlinks with dev or inum > 2**32 to a machine
494 * with no 64-bit types then you will get an overflow error. Probably
495 * not many people have that combination of machines, and you can
496 * avoid it by not preserving hardlinks or not transferring device
497 * nodes. It's not clear that any other behaviour is better.
499 * Note that if you transfer devices from a 64-bit-devt machine (say,
500 * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
501 * device numbers will be truncated. But it's a kind of silly thing
504 * FIXME: I don't think the code in flist.c has ever worked on a system
505 * where dev_t is a struct.
514 #define MIN(a,b) ((a)<(b)?(a):(b))
518 #define MAX(a,b) ((a)>(b)?(a):(b))
521 #ifndef MAXHOSTNAMELEN
522 #define MAXHOSTNAMELEN 256
525 #define SUM_LENGTH 16
526 #define SHORT_SUM_LENGTH 2
527 #define BLOCKSUM_BIAS 10
530 #define MAXPATHLEN 1024
533 /* We want a roomy line buffer that can hold more than MAXPATHLEN,
534 * and significantly more than an overly short MAXPATHLEN. */
535 #if MAXPATHLEN < 4096
536 #define BIGPATHBUFLEN (4096+1024)
538 #define BIGPATHBUFLEN (MAXPATHLEN+1024)
546 #define INADDR_NONE 0xffffffff
549 #ifndef IN_LOOPBACKNET
550 #define IN_LOOPBACKNET 127
553 #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
554 #define ACLS_NEED_MASK 1
557 #define GID_NONE ((gid_t)-1)
565 const char *dirname; /* The dir info inside the transfer */
566 time_t modtime; /* When the item was last modified */
567 uint32 len32; /* Lowest 32 bits of the file's length */
568 uint16 mode; /* The item's type and permissions */
569 uint16 flags; /* The FLAG_* bits for this item */
570 const char basename[1]; /* The basename (AKA filename) follows */
573 extern int file_extra_cnt;
574 extern int preserve_uid;
575 extern int preserve_gid;
576 extern int preserve_acls;
577 extern int preserve_xattrs;
579 #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
580 #define EXTRA_LEN (sizeof (union file_extras))
581 #define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
582 #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
584 #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
585 #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
587 #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
588 #define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0)
590 /* The length applies to all items. */
592 #define F_LENGTH(f) ((int64)(f)->len32)
594 #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
595 ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0))
598 /* If there is a symlink string, it is always right after the basename */
599 #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
601 /* The sending side always has this available: */
602 #define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN))
604 /* The receiving side always has this available: */
605 #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
607 /* When the associated option is on, all entries will have these present: */
608 #define F_OWNER(f) REQ_EXTRA(f, preserve_uid)->unum
609 #define F_GROUP(f) REQ_EXTRA(f, preserve_gid)->unum
610 #define F_ACL(f) REQ_EXTRA(f, preserve_acls)->num
611 #define F_XATTR(f) REQ_EXTRA(f, preserve_xattrs)->num
613 /* These items are per-entry optional and mutally exclusive: */
614 #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
615 #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
616 #define F_DEF_ACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum
617 #define F_DIRDEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 2 - 1)->unum)
618 #define F_DIRNODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 3 - 1)->num)
620 /* This optional item might follow an F_HL_*() item.
621 * (Note: a device doesn't need to check LEN64_BUMP(f).) */
622 #define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum)
624 /* The sum is only present on regular files. */
625 #define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \
626 + SUM_EXTRA_CNT - 1))
628 /* Some utility defines: */
629 #define F_IS_ACTIVE(f) (f)->basename[0]
630 #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
632 #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
633 #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
635 #define F_UID(f) ((uid_t)F_OWNER(f))
636 #define F_GID(f) ((gid_t)F_GROUP(f))
638 #define DEV_MAJOR(a) (a)[0]
639 #define DEV_MINOR(a) (a)[1]
641 #define DIR_PARENT(a) (a)[0]
642 #define DIR_FIRST_CHILD(a) (a)[1]
643 #define DIR_NEXT_SIBLING(a) (a)[2]
646 * Start the flist array at FLIST_START entries and grow it
647 * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
649 #define FLIST_START (32 * 1024)
650 #define FLIST_LINEAR (FLIST_START * 512)
653 * Extent size for allocation pools: A minimum size of 128KB
654 * is needed to mmap them so that freeing will release the
657 * Larger sizes reduce leftover fragments and speed free calls
658 * (when they happen). Smaller sizes increase the chance of
659 * freed allocations freeing whole extents.
661 #define FILE_EXTENT (256 * 1024)
662 #define HLINK_EXTENT (128 * 1024)
664 #define FLIST_TEMP (1<<1)
667 struct file_list *next, *prev;
668 struct file_struct **files;
669 alloc_pool_t file_pool;
671 int low, high; /* 0-relative index values excluding empties */
672 int ndx_start; /* the start offset for inc_recurse mode */
673 int parent_ndx; /* dir_flist index of parent directory */
674 int in_progress, to_redo;
677 #define SUMFLG_SAME_OFFSET (1<<0)
680 OFF_T offset; /**< offset in file of this chunk */
681 int32 len; /**< length of chunk of file */
682 uint32 sum1; /**< simple checksum */
683 int32 chain; /**< next hash-table collision */
684 short flags; /**< flag bits */
685 char sum2[SUM_LENGTH]; /**< checksum */
689 OFF_T flength; /**< total file length */
690 struct sum_buf *sums; /**< points to info for each chunk */
691 int32 count; /**< how many chunks */
692 int32 blength; /**< block_length */
693 int32 remainder; /**< flength % block_length */
694 int s2length; /**< sum2_length */
698 OFF_T file_size; /* File size (from stat) */
699 OFF_T p_offset; /* Window start */
700 OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
701 char *p; /* Window pointer */
702 int32 p_size; /* Largest window size we allocated */
703 int32 p_len; /* Latest (rounded) window size */
704 int32 def_window_size; /* Default window size */
705 int fd; /* File Descriptor */
706 int status; /* first errno from read errors */
709 #define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
710 #define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */
711 #define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
712 #define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
713 #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */
714 #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */
715 #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */
716 #define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */
717 #define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */
718 #define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
719 #define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */
720 #define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
721 #define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
722 #define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
723 #define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */
724 #define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */
725 #define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */
726 #define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
727 #define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */
728 #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */
730 #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
731 | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
732 | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \
733 | MATCHFLG_PERISHABLE)
735 struct filter_struct {
736 struct filter_struct *next;
741 struct filter_list_struct *mergelist;
745 struct filter_list_struct {
746 struct filter_struct *head;
747 struct filter_struct *tail;
753 int64 total_transferred_size;
758 int64 flist_buildtime;
759 int64 flist_xfertime;
762 int num_transferred_files;
763 int current_file_index;
766 struct chmod_mode_struct;
768 #define EMPTY_ITEM_LIST {NULL, 0, 0}
776 #define EXPAND_ITEM_LIST(lp, type, incr) \
777 (type*)expand_item_list(lp, sizeof (type), #type, incr)
779 #include "byteorder.h"
780 #include "lib/mdigest.h"
781 #include "lib/wildmatch.h"
782 #include "lib/permstring.h"
783 #include "lib/addrinfo.h"
786 #define __attribute__(x)
793 #define UNUSED(x) x __attribute__((__unused__))
795 #define NORETURN __attribute__((__noreturn__))
801 struct rsync_acl *acc_acl; /* access ACL */
802 struct rsync_acl *def_acl; /* default ACL */
804 #ifdef SUPPORT_XATTRS
809 #define ACL_READY(sx) ((sx).acc_acl != NULL)
810 #define XATTR_READY(sx) ((sx).xattr != NULL)
814 #ifndef SUPPORT_XATTRS
815 #define x_stat(fn,fst,xst) do_stat(fn,fst)
816 #define x_lstat(fn,fst,xst) do_lstat(fn,fst)
817 #define x_fstat(fd,fst,xst) do_fstat(fd,fst)
820 /* We have replacement versions of these if they're missing. */
821 #ifndef HAVE_ASPRINTF
822 int asprintf(char **ptr, const char *format, ...);
825 #ifndef HAVE_VASPRINTF
826 int vasprintf(char **ptr, const char *format, va_list ap);
829 #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
830 #define vsnprintf rsync_vsnprintf
831 int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
834 #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
835 #define snprintf rsync_snprintf
836 int snprintf(char *str, size_t count, const char *fmt,...);
840 #ifndef HAVE_STRERROR
841 extern char *sys_errlist[];
842 #define strerror(i) sys_errlist[i]
846 # define strchr index
847 # define strrchr rindex
850 #ifndef HAVE_ERRNO_DECL
855 #define SUPPORT_LINKS 1
858 #define SUPPORT_HARD_LINKS 1
861 #ifdef HAVE_SIGACTION
862 #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
863 #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
865 #define SIGACTION(n,h) signal(n,h)
869 #define EWOULDBLOCK EAGAIN
873 #define STDIN_FILENO 0
876 #ifndef STDOUT_FILENO
877 #define STDOUT_FILENO 1
880 #ifndef STDERR_FILENO
881 #define STDERR_FILENO 2
893 #define ACCESSPERMS 0777
900 #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
903 #define _S_IFMT 0170000
907 #define _S_IFLNK 0120000
911 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
915 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
919 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
924 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
926 #define S_ISSOCK(mode) (0)
932 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
934 #define S_ISFIFO(mode) (0)
939 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
943 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
946 /* work out what fcntl flag to use for non-blocking */
948 # define NONBLOCK_FLAG O_NONBLOCK
950 # define NONBLOCK_FLAG O_NDELAY
952 # define NONBLOCK_FLAG FNDELAY
955 #ifndef INADDR_LOOPBACK
956 #define INADDR_LOOPBACK 0x7f000001
960 #define INADDR_NONE 0xffffffff
963 #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
964 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
966 /* Initial mask on permissions given to temporary files. Mask off setuid
967 bits and group access because of potential race-condition security
968 holes, and mask other access because mode 707 is bizarre */
969 #define INITACCESSPERMS 0700
971 /* handler for null strings in printf format */
972 #define NS(s) ((s)?(s):"<NULL>")
974 /* Convenient wrappers for malloc and realloc. Use them. */
975 #define new(type) ((type *)malloc(sizeof(type)))
976 #define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
977 #define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
979 /* use magic gcc attributes to catch format errors */
980 void rprintf(enum logcode , const char *, ...)
981 __attribute__((format (printf, 2, 3)))
984 /* This is just like rprintf, but it also tries to print some
985 * representation of the error code. Normally errcode = errno. */
986 void rsyserr(enum logcode, int, const char *, ...)
987 __attribute__((format (printf, 3, 4)))
990 /* Make sure that the O_BINARY flag is defined. */
996 size_t strlcpy(char *d, const char *s, size_t bufsize);
1000 size_t strlcat(char *d, const char *s, size_t bufsize);
1004 #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
1007 #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
1010 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
1013 #define MY_UID() geteuid()
1015 #define MY_UID() getuid()
1019 #define MY_GID() getegid()
1021 #define MY_GID() getgid()
1026 #ifndef HAVE_INET_NTOP
1027 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
1030 #ifndef HAVE_INET_PTON
1031 int inet_pton(int af, const char *src, void *dst);
1034 #ifdef MAINTAINER_MODE
1035 const char *get_panic_action(void);
1038 static inline int to_wire_mode(mode_t mode)
1040 #ifdef SUPPORT_LINKS
1041 #if _S_IFLNK != 0120000
1043 return (mode & ~(_S_IFMT)) | 0120000;
1049 static inline mode_t from_wire_mode(int mode)
1051 #if _S_IFLNK != 0120000
1052 if ((mode & (_S_IFMT)) == 0120000)
1053 return (mode & ~(_S_IFMT)) | _S_IFLNK;
1059 isDigit(const char *ptr)
1061 return isdigit(*(unsigned char *)ptr);
1065 isPrint(const char *ptr)
1067 return isprint(*(unsigned char *)ptr);
1071 isSpace(const char *ptr)
1073 return isspace(*(unsigned char *)ptr);
1077 isLower(const char *ptr)
1079 return islower(*(unsigned char *)ptr);
1083 isUpper(const char *ptr)
1085 return isupper(*(unsigned char *)ptr);
1089 toLower(const char *ptr)
1091 return tolower(*(unsigned char *)ptr);
1095 toUpper(const char *ptr)
1097 return toupper(*(unsigned char *)ptr);