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, 2004, 2005, 2006 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 as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
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.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
25 #define BLOCK_SIZE 700
26 #define RSYNC_RSH_ENV "RSYNC_RSH"
27 #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
29 #define RSYNC_NAME "rsync"
30 /* RSYNCD_SYSCONF is now set in config.h */
31 #define RSYNCD_USERCONF "rsyncd.conf"
33 #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
34 #define URL_PREFIX "rsync://"
36 #define BACKUP_SUFFIX "~"
38 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
39 incompatible with older versions :-( */
42 /* These flags are only used during the flist transfer. */
44 #define XMIT_TOP_DIR (1<<0)
45 #define XMIT_SAME_MODE (1<<1)
46 #define XMIT_EXTENDED_FLAGS (1<<2)
47 #define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* Only in protocols < 28 */
48 #define XMIT_SAME_UID (1<<3)
49 #define XMIT_SAME_GID (1<<4)
50 #define XMIT_SAME_NAME (1<<5)
51 #define XMIT_LONG_NAME (1<<6)
52 #define XMIT_SAME_TIME (1<<7)
53 #define XMIT_SAME_RDEV_MAJOR (1<<8)
54 #define XMIT_HAS_IDEV_DATA (1<<9)
55 #define XMIT_SAME_DEV (1<<10)
56 #define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
58 /* These flags are used in the live flist data. */
60 #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
61 #define FLAG_SENT (1<<1) /* sender/generator */
62 #define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */
63 #define FLAG_MOUNT_DIR (1<<3) /* sender/generator */
64 #define FLAG_MISSING_DIR (1<<4) /* generator (dirs only) */
65 #define FLAG_HLINK_INFO (1<<5) /* receiver/generator */
66 #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
67 #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
69 /* update this if you make incompatible changes */
70 #define PROTOCOL_VERSION 30
72 /* We refuse to interoperate with versions that are not in this range.
73 * Note that we assume we'll work with later versions: the onus is on
74 * people writing them to make sure that they don't send us anything
75 * we won't understand.
77 * Interoperation with old but supported protocol versions
78 * should cause a warning to be printed. At a future date
79 * the old protocol will become the minimum and
80 * compatibility code removed.
82 * There are two possible explanations for the limit at
83 * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
84 * do not interoperate with us, and (more likely) so that we can
85 * detect an attempt to connect rsync to a non-rsync server, which is
86 * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
87 * MAX_PROTOCOL_VERSION. */
89 #define MIN_PROTOCOL_VERSION 20
90 #define OLD_PROTOCOL_VERSION 25
91 #define MAX_PROTOCOL_VERSION 40
93 #define RSYNC_PORT 873
95 #define SPARSE_WRITE_SIZE (1024)
96 #define WRITE_SIZE (32*1024)
97 #define CHUNK_SIZE (32*1024)
98 #define MAX_MAP_SIZE (256*1024)
99 #define IO_BUFFER_SIZE (4092)
100 #define MAX_BLOCK_SIZE ((int32)1 << 29)
102 #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
103 #define IOERR_VANISHED (1<<1)
104 #define IOERR_DEL_LIMIT (1<<2)
106 #define MAX_ARGS 1000
107 #define MAX_BASIS_DIRS 20
108 #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
113 #define SERVER_FILTERS 1
114 #define ALL_FILTERS 2
116 #define XFLG_FATAL_ERRORS (1<<0)
117 #define XFLG_OLD_PREFIXES (1<<1)
118 #define XFLG_ANCHORED2ABS (1<<2)
119 #define XFLG_ABS_IF_SLASH (1<<3)
121 #define ATTRS_REPORT (1<<0)
122 #define ATTRS_SKIP_MTIME (1<<1)
125 #define NORMAL_FLUSH 0
127 #define PDIR_CREATE 1
128 #define PDIR_DELETE 0
130 /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
131 #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
132 #define FNAMECMP_BASIS_DIR_HIGH 0x7F
133 #define FNAMECMP_FNAME 0x80
134 #define FNAMECMP_PARTIAL_DIR 0x81
135 #define FNAMECMP_BACKUP 0x82
136 #define FNAMECMP_FUZZY 0x83
138 /* For use by the itemize_changes code */
139 #define ITEM_REPORT_ATIME (1<<0)
140 #define ITEM_REPORT_CHECKSUM (1<<1)
141 #define ITEM_REPORT_SIZE (1<<2)
142 #define ITEM_REPORT_TIME (1<<3)
143 #define ITEM_REPORT_PERMS (1<<4)
144 #define ITEM_REPORT_OWNER (1<<5)
145 #define ITEM_REPORT_GROUP (1<<6)
146 #define ITEM_REPORT_ACL (1<<7)
147 #define ITEM_REPORT_XATTR (1<<8)
148 #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
149 #define ITEM_XNAME_FOLLOWS (1<<12)
150 #define ITEM_IS_NEW (1<<13)
151 #define ITEM_LOCAL_CHANGE (1<<14)
152 #define ITEM_TRANSFER (1<<15)
153 /* These are outside the range of the transmitted flags. */
154 #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
155 #define ITEM_DELETED (1<<17) /* used by log_formatted() */
156 #define ITEM_MATCHED (1<<18) /* used by itemize() */
158 #define SIGNIFICANT_ITEM_FLAGS (~(\
159 ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
162 /* Log-message categories. Only FERROR and FINFO get sent over the socket,
163 * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe.
164 * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */
165 enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=5 };
167 /* Messages types that are sent over the message channel. The logcode
168 * values must all be present here with identical numbers. */
170 MSG_DATA=0, /* raw data on the multiplexed stream */
171 MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
172 MSG_LOG=FLOG, MSG_SOCKERR=FSOCKERR, /* sibling logging */
173 MSG_REDO=9, /* reprocess indicated flist index */
174 MSG_SUCCESS=100,/* successfully updated indicated flist index */
175 MSG_DELETED=101,/* successfully deleted a file on receiving side */
176 MSG_DONE=86 /* current phase is done */
185 /* The default RSYNC_RSH is always set in config.h. */
188 #ifdef HAVE_SYS_TYPES_H
189 # include <sys/types.h>
191 #ifdef HAVE_SYS_STAT_H
192 # include <sys/stat.h>
198 # ifdef HAVE_STDLIB_H
203 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
208 #ifdef HAVE_STRINGS_H
209 # include <strings.h>
215 #ifdef HAVE_SYS_PARAM_H
216 #include <sys/param.h>
219 #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
223 #ifdef HAVE_SYS_SOCKET_H
224 #include <sys/socket.h>
227 #ifdef TIME_WITH_SYS_TIME
228 #include <sys/time.h>
231 #ifdef HAVE_SYS_TIME_H
232 #include <sys/time.h>
241 #ifdef HAVE_SYS_FCNTL_H
242 #include <sys/fcntl.h>
246 #ifdef HAVE_SYS_IOCTL_H
247 #include <sys/ioctl.h>
250 #ifdef HAVE_SYS_FILIO_H
251 #include <sys/filio.h>
255 #ifdef HAVE_SYS_WAIT_H
256 #include <sys/wait.h>
270 #ifdef HAVE_SYS_SELECT_H
271 #include <sys/select.h>
274 #ifdef HAVE_SYS_MODE_H
275 /* apparently AIX needs this for S_ISLNK */
277 #include <sys/mode.h>
285 /* these are needed for the uid/gid mapping code */
290 #include <netinet/in.h>
291 #include <arpa/inet.h>
294 #include <sys/file.h>
299 # define dirent direct
300 # ifdef HAVE_SYS_NDIR_H
301 # include <sys/ndir.h>
303 # ifdef HAVE_SYS_DIR_H
304 # include <sys/dir.h>
311 #ifdef MAJOR_IN_MKDEV
312 #include <sys/mkdev.h>
313 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
314 # define makedev mkdev
316 #elif defined MAJOR_IN_SYSMACROS
317 #include <sys/sysmacros.h>
320 #ifdef MAKEDEV_TAKES_3_ARGS
321 #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
323 #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
336 #include "lib/pool_alloc.h"
341 #define uchar unsigned char
344 #ifdef SIGNED_CHAR_OK
345 #define schar signed char
350 /* Find a variable that is either exactly 32-bits or longer.
351 * If some code depends on 32-bit truncation, it will need to
352 * take special action in a "#if SIZEOF_INT32 > 4" section. */
356 # define SIZEOF_INT32 4
357 #elif SIZEOF_LONG == 4
359 # define SIZEOF_INT32 4
360 #elif SIZEOF_SHORT == 4
362 # define SIZEOF_INT32 4
365 # define SIZEOF_INT32 SIZEOF_INT
366 #elif SIZEOF_LONG > 4
368 # define SIZEOF_INT32 SIZEOF_LONG
370 # error Could not find a 32-bit integer variable
373 # define SIZEOF_INT32 4
377 #define uint32 unsigned int32
380 #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
382 #define STRUCT_STAT struct stat
384 #define OFF_T off64_t
385 #define STRUCT_STAT struct stat64
386 #define USE_STAT64_FUNCS 1
389 /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
390 * that's the maximum size the file system can handle and there is no
391 * 64-bit type available. The rsync source must therefore take steps
392 * to ensure that any code that really requires a 64-bit integer has
393 * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
397 # define SIZEOF_INT64 8
398 #elif SIZEOF_INT == 8
400 # define SIZEOF_INT64 8
401 #elif SIZEOF_LONG_LONG == 8
402 # define int64 long long
403 # define SIZEOF_INT64 8
404 #elif SIZEOF_OFF64_T == 8
405 # define int64 off64_t
406 # define SIZEOF_INT64 8
407 #elif SIZEOF_OFF_T == 8
409 # define SIZEOF_INT64 8
412 # define SIZEOF_INT64 SIZEOF_INT
413 #elif SIZEOF_LONG > 8
415 # define SIZEOF_INT64 SIZEOF_LONG
416 #elif SIZEOF_LONG_LONG > 8
417 # define int64 long long
418 # define SIZEOF_INT64 SIZEOF_LONG_LONG
420 /* As long as it gets... */
422 # define SIZEOF_INT64 SIZEOF_OFF_T
425 /* Starting from protocol version 26, we always use 64-bit
426 * ino_t and dev_t internally, even if this platform does not
427 * allow files to have 64-bit inums. That's because the
428 * receiver needs to find duplicate (dev,ino) tuples to detect
429 * hardlinks, and it might have files coming from a platform
430 * that has 64-bit inums.
432 * The only exception is if we're on a platform with no 64-bit type at
435 * Because we use read_longint() to get these off the wire, if you
436 * transfer devices or hardlinks with dev or inum > 2**32 to a machine
437 * with no 64-bit types then you will get an overflow error. Probably
438 * not many people have that combination of machines, and you can
439 * avoid it by not preserving hardlinks or not transferring device
440 * nodes. It's not clear that any other behaviour is better.
442 * Note that if you transfer devices from a 64-bit-devt machine (say,
443 * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
444 * device numbers will be truncated. But it's a kind of silly thing
447 * FIXME: I don't think the code in flist.c has ever worked on a system
448 * where dev_t is a struct.
457 #define MIN(a,b) ((a)<(b)?(a):(b))
461 #define MAX(a,b) ((a)>(b)?(a):(b))
464 #ifndef MAXHOSTNAMELEN
465 #define MAXHOSTNAMELEN 256
468 /* the length of the md4 checksum */
469 #define MD4_SUM_LENGTH 16
470 #define SUM_LENGTH 16
471 #define SHORT_SUM_LENGTH 2
472 #define BLOCKSUM_BIAS 10
475 #define MAXPATHLEN 1024
478 /* We want a roomy line buffer that can hold more than MAXPATHLEN,
479 * and significantly more than an overly short MAXPATHLEN. */
480 #if MAXPATHLEN < 4096
481 #define BIGPATHBUFLEN (4096+1024)
483 #define BIGPATHBUFLEN (MAXPATHLEN+1024)
491 #define INADDR_NONE 0xffffffff
494 #ifndef IN_LOOPBACKNET
495 #define IN_LOOPBACKNET 127
498 #define GID_NONE ((gid_t)-1)
500 #define HL_CHECK_MASTER 0
506 unsigned short dest_used;
511 const char *basename; /* The current item's name (AKA filename) */
512 const char *dirname; /* The directory info inside the transfer */
514 const char *root;/* Sender-side dir info outside transfer */
515 int depth; /* Receiver-side directory depth info */
519 uchar flags; /* this item MUST remain last */
523 * Start the flist array at FLIST_START entries and grow it
524 * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
526 #define FLIST_START (32 * 1024)
527 #define FLIST_LINEAR (FLIST_START * 512)
530 uid_t uid; /* the user ID number */
531 uid_t gid; /* the group ID number or GID_NONE */
532 struct idev *idev; /* The hard-link info during matching */
533 struct hlist *hlist; /* The hard-link info after matching */
534 int32 num; /* A general-purpose number */
537 #define FLIST_EXTRA(f,j) ((union flist_extras *)(f))[-(j)]
538 #define IS_HLINKED(f) ((f)->flags & FLAG_HLINK_INFO)
540 /* When enabled, all entries have these: */
541 #define F_UID(f) FLIST_EXTRA(f, preserve_uid).uid
542 #define F_GID(f) FLIST_EXTRA(f, preserve_gid).gid
544 /* These are per-entry optional and mutally exclusive: */
545 #define F_IDEV(f) FLIST_EXTRA(f, flist_extra_ndx).idev
546 #define F_HLIST(f) FLIST_EXTRA(f, flist_extra_ndx).hlist
548 /* These are per-entry optional, but always both or neither: */
549 #define F_DMAJOR(f) FLIST_EXTRA(f, flist_extra_ndx + (IS_HLINKED(f)? 1 : 0)).num
550 #define F_DMINOR(f) FLIST_EXTRA(f, flist_extra_ndx + (IS_HLINKED(f)? 2 : 1)).num
552 /* This is the first string past the struct (mutually exclusive). */
553 #define F_SYMLINK(f) ((char*)(f) + file_struct_len)
554 #define F_SUM(f) F_SYMLINK(f)
557 * Extent size for allocation pools: A minimum size of 128KB
558 * is needed to mmap them so that freeing will release the
561 * Larger sizes reduce leftover fragments and speed free calls
562 * (when they happen). Smaller sizes increase the chance of
563 * freed allocations freeing whole extents.
565 #define FILE_EXTENT (256 * 1024)
566 #define HLINK_EXTENT (128 * 1024)
569 #define WITHOUT_HLINK 0
572 struct file_struct **files;
573 alloc_pool_t file_pool;
574 alloc_pool_t hlink_pool;
576 int low, high; /* 0-relative index values excluding empties */
579 #define SUMFLG_SAME_OFFSET (1<<0)
582 OFF_T offset; /**< offset in file of this chunk */
583 int32 len; /**< length of chunk of file */
584 uint32 sum1; /**< simple checksum */
585 int32 chain; /**< next hash-table collision */
586 short flags; /**< flag bits */
587 char sum2[SUM_LENGTH]; /**< checksum */
591 OFF_T flength; /**< total file length */
592 struct sum_buf *sums; /**< points to info for each chunk */
593 int32 count; /**< how many chunks */
594 int32 blength; /**< block_length */
595 int32 remainder; /**< flength % block_length */
596 int s2length; /**< sum2_length */
600 OFF_T file_size; /* File size (from stat) */
601 OFF_T p_offset; /* Window start */
602 OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
603 char *p; /* Window pointer */
604 int32 p_size; /* Largest window size we allocated */
605 int32 p_len; /* Latest (rounded) window size */
606 int32 def_window_size; /* Default window size */
607 int fd; /* File Descriptor */
608 int status; /* first errno from read errors */
611 #define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
612 #define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */
613 #define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
614 #define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
615 #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */
616 #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */
617 #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */
618 #define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */
619 #define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */
620 #define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
621 #define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */
622 #define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
623 #define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
624 #define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
625 #define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */
626 #define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */
627 #define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */
628 #define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
629 #define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */
630 #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */
632 #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
633 | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
634 | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \
635 | MATCHFLG_PERISHABLE)
637 struct filter_struct {
638 struct filter_struct *next;
643 struct filter_list_struct *mergelist;
647 struct filter_list_struct {
648 struct filter_struct *head;
649 struct filter_struct *tail;
655 int64 total_transferred_size;
660 int64 flist_buildtime;
661 int64 flist_xfertime;
664 int num_transferred_files;
665 int current_file_index;
668 struct chmod_mode_struct;
670 #include "byteorder.h"
671 #include "lib/mdfour.h"
672 #include "lib/wildmatch.h"
673 #include "lib/permstring.h"
674 #include "lib/addrinfo.h"
677 #define __attribute__(x)
683 #define UNUSED(x) x __attribute__((__unused__))
685 #define NORETURN __attribute__((__noreturn__))
690 /* We have replacement versions of these if they're missing. */
691 #ifndef HAVE_ASPRINTF
692 int asprintf(char **ptr, const char *format, ...);
695 #ifndef HAVE_VASPRINTF
696 int vasprintf(char **ptr, const char *format, va_list ap);
699 #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
700 #define vsnprintf rsync_vsnprintf
701 int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
704 #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
705 #define snprintf rsync_snprintf
706 int snprintf(char *str, size_t count, const char *fmt,...);
710 #ifndef HAVE_STRERROR
711 extern char *sys_errlist[];
712 #define strerror(i) sys_errlist[i]
716 # define strchr index
717 # define strrchr rindex
720 #ifndef HAVE_ERRNO_DECL
725 #define SUPPORT_LINKS 1
728 #define SUPPORT_HARD_LINKS 1
731 #ifdef HAVE_SIGACTION
732 #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
733 #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
735 #define SIGACTION(n,h) signal(n,h)
739 #define EWOULDBLOCK EAGAIN
743 #define STDIN_FILENO 0
746 #ifndef STDOUT_FILENO
747 #define STDOUT_FILENO 1
750 #ifndef STDERR_FILENO
751 #define STDERR_FILENO 2
763 #define ACCESSPERMS 0777
770 #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
773 #define _S_IFMT 0170000
777 #define _S_IFLNK 0120000
781 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
785 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
789 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
794 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
796 #define S_ISSOCK(mode) (0)
802 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
804 #define S_ISFIFO(mode) (0)
809 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
813 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
816 /* work out what fcntl flag to use for non-blocking */
818 # define NONBLOCK_FLAG O_NONBLOCK
820 # define NONBLOCK_FLAG O_NDELAY
822 # define NONBLOCK_FLAG FNDELAY
825 #ifndef INADDR_LOOPBACK
826 #define INADDR_LOOPBACK 0x7f000001
830 #define INADDR_NONE 0xffffffff
833 #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
834 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
836 /* Initial mask on permissions given to temporary files. Mask off setuid
837 bits and group access because of potential race-condition security
838 holes, and mask other access because mode 707 is bizarre */
839 #define INITACCESSPERMS 0700
841 /* handler for null strings in printf format */
842 #define NS(s) ((s)?(s):"<NULL>")
844 /* Convenient wrappers for malloc and realloc. Use them. */
845 #define new(type) ((type *)malloc(sizeof(type)))
846 #define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
847 #define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
849 /* use magic gcc attributes to catch format errors */
850 void rprintf(enum logcode , const char *, ...)
851 __attribute__((format (printf, 2, 3)))
854 /* This is just like rprintf, but it also tries to print some
855 * representation of the error code. Normally errcode = errno. */
856 void rsyserr(enum logcode, int, const char *, ...)
857 __attribute__((format (printf, 3, 4)))
860 /* Make sure that the O_BINARY flag is defined. */
866 size_t strlcpy(char *d, const char *s, size_t bufsize);
870 size_t strlcat(char *d, const char *s, size_t bufsize);
874 #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
877 #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
880 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
883 #define MY_UID() geteuid()
885 #define MY_UID() getuid()
889 #define MY_GID() getegid()
891 #define MY_GID() getgid()
896 #ifndef HAVE_INET_NTOP
897 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
900 #ifndef HAVE_INET_PTON
901 int inet_pton(int af, const char *src, void *dst);
904 #ifdef MAINTAINER_MODE
905 const char *get_panic_action(void);
909 isDigit(const char *ptr)
911 return isdigit(*(unsigned char *)ptr);
915 isPrint(const char *ptr)
917 return isprint(*(unsigned char *)ptr);
921 isSpace(const char *ptr)
923 return isspace(*(unsigned char *)ptr);
927 isLower(const char *ptr)
929 return islower(*(unsigned char *)ptr);
933 isUpper(const char *ptr)
935 return isupper(*(unsigned char *)ptr);
939 toLower(const char *ptr)
941 return tolower(*(unsigned char *)ptr);
945 toUpper(const char *ptr)
947 return toupper(*(unsigned char *)ptr);