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_EXTENDED_FLAGS (1<<2)
46 #define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* protocols < 28 */
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)
53 #define XMIT_HLINKED (1<<9)
54 #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols < 30 */
55 #define XMIT_HLINK_FIRST (1<<10) /* protocols >= 30 */
56 #define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
57 #define XMIT_USER_NAME_FOLLOWS (1<<12) /* protocols >= 30 */
58 #define XMIT_GROUP_NAME_FOLLOWS (1<<13) /* protocols >= 30 */
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 /* We refuse to interoperate with versions that are not in this range.
87 * Note that we assume we'll work with later versions: the onus is on
88 * people writing them to make sure that they don't send us anything
89 * we won't understand.
91 * Interoperation with old but supported protocol versions
92 * should cause a warning to be printed. At a future date
93 * the old protocol will become the minimum and
94 * compatibility code removed.
96 * There are two possible explanations for the limit at
97 * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
98 * do not interoperate with us, and (more likely) so that we can
99 * detect an attempt to connect rsync to a non-rsync server, which is
100 * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
101 * MAX_PROTOCOL_VERSION. */
103 #define MIN_PROTOCOL_VERSION 20
104 #define OLD_PROTOCOL_VERSION 25
105 #define MAX_PROTOCOL_VERSION 40
107 #define RSYNC_PORT 873
109 #define SPARSE_WRITE_SIZE (1024)
110 #define WRITE_SIZE (32*1024)
111 #define CHUNK_SIZE (32*1024)
112 #define MAX_MAP_SIZE (256*1024)
113 #define IO_BUFFER_SIZE (4092)
114 #define MAX_BLOCK_SIZE ((int32)1 << 29)
116 #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
117 #define IOERR_VANISHED (1<<1)
118 #define IOERR_DEL_LIMIT (1<<2)
120 #define MAX_ARGS 1000
121 #define MAX_BASIS_DIRS 20
122 #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
127 #define SERVER_FILTERS 1
128 #define ALL_FILTERS 2
130 #define XFLG_FATAL_ERRORS (1<<0)
131 #define XFLG_OLD_PREFIXES (1<<1)
132 #define XFLG_ANCHORED2ABS (1<<2)
133 #define XFLG_ABS_IF_SLASH (1<<3)
135 #define ATTRS_REPORT (1<<0)
136 #define ATTRS_SKIP_MTIME (1<<1)
139 #define NORMAL_FLUSH 0
141 #define PDIR_CREATE 1
142 #define PDIR_DELETE 0
144 /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
145 #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
146 #define FNAMECMP_BASIS_DIR_HIGH 0x7F
147 #define FNAMECMP_FNAME 0x80
148 #define FNAMECMP_PARTIAL_DIR 0x81
149 #define FNAMECMP_BACKUP 0x82
150 #define FNAMECMP_FUZZY 0x83
152 /* For use by the itemize_changes code */
153 #define ITEM_REPORT_ATIME (1<<0)
154 #define ITEM_REPORT_CHECKSUM (1<<1)
155 #define ITEM_REPORT_SIZE (1<<2)
156 #define ITEM_REPORT_TIME (1<<3)
157 #define ITEM_REPORT_PERMS (1<<4)
158 #define ITEM_REPORT_OWNER (1<<5)
159 #define ITEM_REPORT_GROUP (1<<6)
160 #define ITEM_REPORT_ACL (1<<7)
161 #define ITEM_REPORT_XATTR (1<<8)
162 #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
163 #define ITEM_XNAME_FOLLOWS (1<<12)
164 #define ITEM_IS_NEW (1<<13)
165 #define ITEM_LOCAL_CHANGE (1<<14)
166 #define ITEM_TRANSFER (1<<15)
167 /* These are outside the range of the transmitted flags. */
168 #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
169 #define ITEM_DELETED (1<<17) /* used by log_formatted() */
170 #define ITEM_MATCHED (1<<18) /* used by itemize() */
172 #define SIGNIFICANT_ITEM_FLAGS (~(\
173 ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
176 /* Log-message categories. Only FERROR and FINFO get sent over the socket,
177 * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe.
178 * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */
179 enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=5 };
181 /* Messages types that are sent over the message channel. The logcode
182 * values must all be present here with identical numbers. */
184 MSG_DATA=0, /* raw data on the multiplexed stream */
185 MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
186 MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */
187 MSG_REDO=9, /* reprocess indicated flist index */
188 MSG_FLIST=20, /* extra file list over sibling socket */
189 MSG_FLIST_EOF=21,/* we've transmitted all the file lists */
190 MSG_IO_ERROR=22,/* the sending side had an I/O error */
191 MSG_NOOP=42, /* a do-nothing message */
192 MSG_SUCCESS=100,/* successfully updated indicated flist index */
193 MSG_DELETED=101,/* successfully deleted a file on receiving side */
194 MSG_NO_SEND=102,/* sender failed to open a file we wanted */
195 MSG_DONE=86 /* current phase is done */
199 #define NDX_FLIST_EOF -2
200 #define NDX_FLIST_OFFSET -101
206 /* The default RSYNC_RSH is always set in config.h. */
209 #ifdef HAVE_SYS_TYPES_H
210 # include <sys/types.h>
212 #ifdef HAVE_SYS_STAT_H
213 # include <sys/stat.h>
219 # ifdef HAVE_STDLIB_H
224 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
229 #ifdef HAVE_STRINGS_H
230 # include <strings.h>
232 #ifdef HAVE_INTTYPES_H
233 # include <inttypes.h>
239 #ifdef HAVE_SYS_PARAM_H
240 #include <sys/param.h>
243 #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
247 #ifdef HAVE_SYS_SOCKET_H
248 #include <sys/socket.h>
251 #ifdef TIME_WITH_SYS_TIME
252 #include <sys/time.h>
255 #ifdef HAVE_SYS_TIME_H
256 #include <sys/time.h>
265 #ifdef HAVE_SYS_FCNTL_H
266 #include <sys/fcntl.h>
270 #ifdef HAVE_SYS_IOCTL_H
271 #include <sys/ioctl.h>
274 #ifdef HAVE_SYS_FILIO_H
275 #include <sys/filio.h>
279 #ifdef HAVE_SYS_WAIT_H
280 #include <sys/wait.h>
294 #ifdef HAVE_SYS_SELECT_H
295 #include <sys/select.h>
298 #ifdef HAVE_SYS_MODE_H
299 /* apparently AIX needs this for S_ISLNK */
301 #include <sys/mode.h>
309 /* these are needed for the uid/gid mapping code */
314 #include <netinet/in.h>
315 #include <arpa/inet.h>
318 #include <sys/file.h>
323 # define dirent direct
324 # ifdef HAVE_SYS_NDIR_H
325 # include <sys/ndir.h>
327 # ifdef HAVE_SYS_DIR_H
328 # include <sys/dir.h>
335 #ifdef MAJOR_IN_MKDEV
336 #include <sys/mkdev.h>
337 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
338 # define makedev mkdev
340 #elif defined MAJOR_IN_SYSMACROS
341 #include <sys/sysmacros.h>
344 #ifdef MAKEDEV_TAKES_3_ARGS
345 #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
347 #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
360 #include "lib/pool_alloc.h"
365 #define uchar unsigned char
368 #ifdef SIGNED_CHAR_OK
369 #define schar signed char
375 #if SIZEOF_INT16_T == 2
376 # define int16 int16_t
383 #if SIZEOF_UINT16_T == 2
384 # define uint16 uint16_t
386 # define uint16 unsigned int16
390 /* Find a variable that is either exactly 32-bits or longer.
391 * If some code depends on 32-bit truncation, it will need to
392 * take special action in a "#if SIZEOF_INT32 > 4" section. */
394 #if SIZEOF_INT32_T == 4
395 # define int32 int32_t
396 # define SIZEOF_INT32 4
397 #elif SIZEOF_INT == 4
399 # define SIZEOF_INT32 4
400 #elif SIZEOF_LONG == 4
402 # define SIZEOF_INT32 4
403 #elif SIZEOF_SHORT == 4
405 # define SIZEOF_INT32 4
408 # define SIZEOF_INT32 SIZEOF_INT
409 #elif SIZEOF_LONG > 4
411 # define SIZEOF_INT32 SIZEOF_LONG
413 # error Could not find a 32-bit integer variable
416 # define SIZEOF_INT32 4
420 #if SIZEOF_UINT32_T == 4
421 # define uint32 uint32_t
423 # define uint32 unsigned int32
427 #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
429 #define STRUCT_STAT struct stat
431 #define OFF_T off64_t
432 #define STRUCT_STAT struct stat64
433 #define USE_STAT64_FUNCS 1
436 /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
437 * that's the maximum size the file system can handle and there is no
438 * 64-bit type available. The rsync source must therefore take steps
439 * to ensure that any code that really requires a 64-bit integer has
440 * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
442 #if SIZEOF_INT64_T == 8
443 # define int64 int64_t
444 # define SIZEOF_INT64 8
445 #elif SIZEOF_LONG == 8
447 # define SIZEOF_INT64 8
448 #elif SIZEOF_INT == 8
450 # define SIZEOF_INT64 8
451 #elif SIZEOF_LONG_LONG == 8
452 # define int64 long long
453 # define SIZEOF_INT64 8
454 #elif SIZEOF_OFF64_T == 8
455 # define int64 off64_t
456 # define SIZEOF_INT64 8
457 #elif SIZEOF_OFF_T == 8
459 # define SIZEOF_INT64 8
462 # define SIZEOF_INT64 SIZEOF_INT
463 #elif SIZEOF_LONG > 8
465 # define SIZEOF_INT64 SIZEOF_LONG
466 #elif SIZEOF_LONG_LONG > 8
467 # define int64 long long
468 # define SIZEOF_INT64 SIZEOF_LONG_LONG
470 /* As long as it gets... */
472 # define SIZEOF_INT64 SIZEOF_OFF_T
475 /* Starting from protocol version 26, we always use 64-bit
476 * ino_t and dev_t internally, even if this platform does not
477 * allow files to have 64-bit inums. That's because the
478 * receiver needs to find duplicate (dev,ino) tuples to detect
479 * hardlinks, and it might have files coming from a platform
480 * that has 64-bit inums.
482 * The only exception is if we're on a platform with no 64-bit type at
485 * Because we use read_longint() to get these off the wire, if you
486 * transfer devices or hardlinks with dev or inum > 2**32 to a machine
487 * with no 64-bit types then you will get an overflow error. Probably
488 * not many people have that combination of machines, and you can
489 * avoid it by not preserving hardlinks or not transferring device
490 * nodes. It's not clear that any other behaviour is better.
492 * Note that if you transfer devices from a 64-bit-devt machine (say,
493 * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
494 * device numbers will be truncated. But it's a kind of silly thing
497 * FIXME: I don't think the code in flist.c has ever worked on a system
498 * where dev_t is a struct.
507 #define MIN(a,b) ((a)<(b)?(a):(b))
511 #define MAX(a,b) ((a)>(b)?(a):(b))
514 #ifndef MAXHOSTNAMELEN
515 #define MAXHOSTNAMELEN 256
518 /* the length of the md4 checksum */
519 #define MD4_SUM_LENGTH 16
520 #define SUM_LENGTH 16
521 #define SHORT_SUM_LENGTH 2
522 #define BLOCKSUM_BIAS 10
525 #define MAXPATHLEN 1024
528 /* We want a roomy line buffer that can hold more than MAXPATHLEN,
529 * and significantly more than an overly short MAXPATHLEN. */
530 #if MAXPATHLEN < 4096
531 #define BIGPATHBUFLEN (4096+1024)
533 #define BIGPATHBUFLEN (MAXPATHLEN+1024)
541 #define INADDR_NONE 0xffffffff
544 #ifndef IN_LOOPBACKNET
545 #define IN_LOOPBACKNET 127
548 #define GID_NONE ((gid_t)-1)
556 const char *dirname; /* The dir info inside the transfer */
557 time_t modtime; /* When the item was last modified */
558 uint32 len32; /* Lowest 32 bits of the file's length */
559 uint16 mode; /* The item's type and permissions */
560 uint16 flags; /* The FLAG_* bits for this item */
561 const char basename[1]; /* The basename (AKA filename) follows */
564 extern int file_extra_cnt;
565 extern int preserve_uid;
566 extern int preserve_gid;
568 #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
569 #define EXTRA_LEN (sizeof (union file_extras))
570 #define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
571 #define SUM_EXTRA_CNT ((MD4_SUM_LENGTH + EXTRA_LEN - 1) / EXTRA_LEN)
573 #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
574 #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
576 #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
577 #define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0)
579 /* The length applies to all items. */
581 #define F_LENGTH(f) ((int64)(f)->len32)
583 #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
584 ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0))
587 /* If there is a symlink string, it is always right after the basename */
588 #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
590 /* The sending side always has this available: */
591 #define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN))
593 /* The receiving side always has this available: */
594 #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
596 /* When the associated option is on, all entries will have these present: */
597 #define F_OWNER(f) REQ_EXTRA(f, preserve_uid)->unum
598 #define F_GROUP(f) REQ_EXTRA(f, preserve_gid)->unum
600 /* These items are per-entry optional and mutally exclusive: */
601 #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
602 #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
603 #define F_DIRDEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 2 - 1)->unum)
604 #define F_DIRNODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 3 - 1)->num)
606 /* This optional item might follow an F_HL_*() item.
607 * (Note: a device doesn't need to check LEN64_BUMP(f).) */
608 #define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum)
610 /* The sum is only present on regular files. */
611 #define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \
612 + SUM_EXTRA_CNT - 1))
614 /* Some utility defines: */
615 #define F_IS_ACTIVE(f) (f)->basename[0]
616 #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
618 #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
619 #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
621 #define F_UID(f) ((uid_t)F_OWNER(f))
622 #define F_GID(f) ((gid_t)F_GROUP(f))
624 #define DEV_MAJOR(a) (a)[0]
625 #define DEV_MINOR(a) (a)[1]
627 #define DIR_PARENT(a) (a)[0]
628 #define DIR_FIRST_CHILD(a) (a)[1]
629 #define DIR_NEXT_SIBLING(a) (a)[2]
632 * Start the flist array at FLIST_START entries and grow it
633 * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
635 #define FLIST_START (32 * 1024)
636 #define FLIST_LINEAR (FLIST_START * 512)
639 * Extent size for allocation pools: A minimum size of 128KB
640 * is needed to mmap them so that freeing will release the
643 * Larger sizes reduce leftover fragments and speed free calls
644 * (when they happen). Smaller sizes increase the chance of
645 * freed allocations freeing whole extents.
647 #define FILE_EXTENT (256 * 1024)
648 #define HLINK_EXTENT (128 * 1024)
650 #define FLIST_TEMP (1<<1)
653 struct file_list *next, *prev;
654 struct file_struct **files;
655 alloc_pool_t file_pool;
657 int low, high; /* 0-relative index values excluding empties */
658 int ndx_start; /* the start offset for inc_recurse mode */
659 int parent_ndx; /* dir_flist index of parent directory */
660 int in_progress, to_redo;
663 #define SUMFLG_SAME_OFFSET (1<<0)
666 OFF_T offset; /**< offset in file of this chunk */
667 int32 len; /**< length of chunk of file */
668 uint32 sum1; /**< simple checksum */
669 int32 chain; /**< next hash-table collision */
670 short flags; /**< flag bits */
671 char sum2[SUM_LENGTH]; /**< checksum */
675 OFF_T flength; /**< total file length */
676 struct sum_buf *sums; /**< points to info for each chunk */
677 int32 count; /**< how many chunks */
678 int32 blength; /**< block_length */
679 int32 remainder; /**< flength % block_length */
680 int s2length; /**< sum2_length */
684 OFF_T file_size; /* File size (from stat) */
685 OFF_T p_offset; /* Window start */
686 OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
687 char *p; /* Window pointer */
688 int32 p_size; /* Largest window size we allocated */
689 int32 p_len; /* Latest (rounded) window size */
690 int32 def_window_size; /* Default window size */
691 int fd; /* File Descriptor */
692 int status; /* first errno from read errors */
695 #define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
696 #define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */
697 #define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
698 #define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
699 #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */
700 #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */
701 #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */
702 #define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */
703 #define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */
704 #define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
705 #define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */
706 #define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
707 #define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
708 #define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
709 #define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */
710 #define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */
711 #define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */
712 #define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
713 #define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */
714 #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */
716 #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
717 | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
718 | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \
719 | MATCHFLG_PERISHABLE)
721 struct filter_struct {
722 struct filter_struct *next;
727 struct filter_list_struct *mergelist;
731 struct filter_list_struct {
732 struct filter_struct *head;
733 struct filter_struct *tail;
739 int64 total_transferred_size;
744 int64 flist_buildtime;
745 int64 flist_xfertime;
748 int num_transferred_files;
749 int current_file_index;
752 struct chmod_mode_struct;
754 #include "byteorder.h"
755 #include "lib/mdfour.h"
756 #include "lib/wildmatch.h"
757 #include "lib/permstring.h"
758 #include "lib/addrinfo.h"
761 #define __attribute__(x)
767 #define UNUSED(x) x __attribute__((__unused__))
769 #define NORETURN __attribute__((__noreturn__))
774 /* We have replacement versions of these if they're missing. */
775 #ifndef HAVE_ASPRINTF
776 int asprintf(char **ptr, const char *format, ...);
779 #ifndef HAVE_VASPRINTF
780 int vasprintf(char **ptr, const char *format, va_list ap);
783 #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
784 #define vsnprintf rsync_vsnprintf
785 int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
788 #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
789 #define snprintf rsync_snprintf
790 int snprintf(char *str, size_t count, const char *fmt,...);
794 #ifndef HAVE_STRERROR
795 extern char *sys_errlist[];
796 #define strerror(i) sys_errlist[i]
800 # define strchr index
801 # define strrchr rindex
804 #ifndef HAVE_ERRNO_DECL
809 #define SUPPORT_LINKS 1
812 #define SUPPORT_HARD_LINKS 1
815 #ifdef HAVE_SIGACTION
816 #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
817 #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
819 #define SIGACTION(n,h) signal(n,h)
823 #define EWOULDBLOCK EAGAIN
827 #define STDIN_FILENO 0
830 #ifndef STDOUT_FILENO
831 #define STDOUT_FILENO 1
834 #ifndef STDERR_FILENO
835 #define STDERR_FILENO 2
847 #define ACCESSPERMS 0777
854 #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
857 #define _S_IFMT 0170000
861 #define _S_IFLNK 0120000
865 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
869 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
873 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
878 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
880 #define S_ISSOCK(mode) (0)
886 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
888 #define S_ISFIFO(mode) (0)
893 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
897 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
900 /* work out what fcntl flag to use for non-blocking */
902 # define NONBLOCK_FLAG O_NONBLOCK
904 # define NONBLOCK_FLAG O_NDELAY
906 # define NONBLOCK_FLAG FNDELAY
909 #ifndef INADDR_LOOPBACK
910 #define INADDR_LOOPBACK 0x7f000001
914 #define INADDR_NONE 0xffffffff
917 #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
918 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
920 /* Initial mask on permissions given to temporary files. Mask off setuid
921 bits and group access because of potential race-condition security
922 holes, and mask other access because mode 707 is bizarre */
923 #define INITACCESSPERMS 0700
925 /* handler for null strings in printf format */
926 #define NS(s) ((s)?(s):"<NULL>")
928 /* Convenient wrappers for malloc and realloc. Use them. */
929 #define new(type) ((type *)malloc(sizeof(type)))
930 #define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
931 #define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
933 /* use magic gcc attributes to catch format errors */
934 void rprintf(enum logcode , const char *, ...)
935 __attribute__((format (printf, 2, 3)))
938 /* This is just like rprintf, but it also tries to print some
939 * representation of the error code. Normally errcode = errno. */
940 void rsyserr(enum logcode, int, const char *, ...)
941 __attribute__((format (printf, 3, 4)))
944 /* Make sure that the O_BINARY flag is defined. */
950 size_t strlcpy(char *d, const char *s, size_t bufsize);
954 size_t strlcat(char *d, const char *s, size_t bufsize);
958 #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
961 #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
964 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
967 #define MY_UID() geteuid()
969 #define MY_UID() getuid()
973 #define MY_GID() getegid()
975 #define MY_GID() getgid()
980 #ifndef HAVE_INET_NTOP
981 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
984 #ifndef HAVE_INET_PTON
985 int inet_pton(int af, const char *src, void *dst);
988 #ifdef MAINTAINER_MODE
989 const char *get_panic_action(void);
993 isDigit(const char *ptr)
995 return isdigit(*(unsigned char *)ptr);
999 isPrint(const char *ptr)
1001 return isprint(*(unsigned char *)ptr);
1005 isSpace(const char *ptr)
1007 return isspace(*(unsigned char *)ptr);
1011 isLower(const char *ptr)
1013 return islower(*(unsigned char *)ptr);
1017 isUpper(const char *ptr)
1019 return isupper(*(unsigned char *)ptr);
1023 toLower(const char *ptr)
1025 return tolower(*(unsigned char *)ptr);
1029 toUpper(const char *ptr)
1031 return toupper(*(unsigned char *)ptr);