-/*
+/*
Copyright (C) by Andrew Tridgell 1996, 2000
Copyright (C) Paul Mackerras 1996
Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
#define RSYNC_NAME "rsync"
-#define RSYNCD_SYSCONF "/etc/rsyncd.conf"
+/* RSYNCD_SYSCONF is now set in config.h */
#define RSYNCD_USERCONF "rsyncd.conf"
#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
incompatible with older versions :-( */
#define CHAR_OFFSET 0
-
-#define FLAG_DELETE (1<<0)
-#define SAME_MODE (1<<1)
-#define EXTENDED_FLAGS (1<<2)
-#define SAME_RDEV_pre28 EXTENDED_FLAGS /* Only use in protocols < 28 */
-#define SAME_UID (1<<3)
-#define SAME_GID (1<<4)
-#define SAME_DIR (1<<5)
-#define SAME_NAME SAME_DIR
-#define LONG_NAME (1<<6)
-#define SAME_TIME (1<<7)
-#define SAME_HIGH_RDEV (1<<8)
-#define HAS_INODE_DATA (1<<9)
-#define SAME_DEV (1<<10)
-
-/* What flags are relevant after the transfer of the flist is complete? */
-#define LIVE_FLAGS (FLAG_DELETE|HAS_INODE_DATA)
+/* These flags are only used during the flist transfer. */
+
+#define XMIT_TOP_DIR (1<<0)
+#define XMIT_SAME_MODE (1<<1)
+#define XMIT_EXTENDED_FLAGS (1<<2)
+#define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* Only in protocols < 28 */
+#define XMIT_SAME_UID (1<<3)
+#define XMIT_SAME_GID (1<<4)
+#define XMIT_SAME_NAME (1<<5)
+#define XMIT_LONG_NAME (1<<6)
+#define XMIT_SAME_TIME (1<<7)
+#define XMIT_SAME_RDEV_MAJOR (1<<8)
+#define XMIT_HAS_IDEV_DATA (1<<9)
+#define XMIT_SAME_DEV (1<<10)
+#define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
+
+/* These flags are used in the live flist data. */
+
+#define FLAG_TOP_DIR (1<<0)
+#define FLAG_SENT (1<<1) /* sender */
+#define FLAG_HLINK_EOL (1<<1) /* receiver/generator */
+#define FLAG_MOUNT_POINT (1<<2) /* sender/generator */
+#define FLAG_DEL_HERE (1<<3) /* receiver/generator */
+#define FLAG_HLINK_TOL (1<<4) /* receiver/generator */
+#define FLAG_NO_FUZZY (1<<5) /* generator */
/* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 28
+#define PROTOCOL_VERSION 29
/* We refuse to interoperate with versions that are not in this range.
* Note that we assume we'll work with later versions: the onus is on
* unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
* MAX_PROTOCOL_VERSION. */
-#define MIN_PROTOCOL_VERSION 19
-#define OLD_PROTOCOL_VERSION 20
+#define MIN_PROTOCOL_VERSION 20
+#define OLD_PROTOCOL_VERSION 25
#define MAX_PROTOCOL_VERSION 40
#define RSYNC_PORT 873
#define CHUNK_SIZE (32*1024)
#define MAX_MAP_SIZE (256*1024)
#define IO_BUFFER_SIZE (4092)
+#define MAX_BLOCK_SIZE ((int32)1 << 29)
#define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
#define IOERR_VANISHED (1<<1)
+#define IOERR_DEL_LIMIT (1<<2)
#define MAX_ARGS 1000
+#define MAX_BASIS_DIRS 20
+#define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
#define MPLEX_BASE 7
-#define NO_EXCLUDES 0
-#define SERVER_EXCLUDES 1
-#define ALL_EXCLUDES 2
-
-#define MISSING_OK 0
-#define MISSING_FATAL 1
-
-#define ADD_INCLUDE 1
-#define ADD_EXCLUDE 0
-
-/* Log values. I *think* what these mean is: FLOG goes to the server
- * logfile; FERROR and FINFO try to end up on the client, with
- * different levels of filtering. */
-enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
+#define NO_FILTERS 0
+#define SERVER_FILTERS 1
+#define ALL_FILTERS 2
+
+#define XFLG_FATAL_ERRORS (1<<0)
+#define XFLG_OLD_PREFIXES (1<<1)
+#define XFLG_ANCHORED2ABS (1<<2)
+#define XFLG_ABS_IF_SLASH (1<<3)
+
+#define ATTRS_REPORT (1<<0)
+#define ATTRS_SKIP_MTIME (1<<1)
+
+#define FULL_FLUSH 1
+#define NORMAL_FLUSH 0
+
+#define PDIR_CREATE 1
+#define PDIR_DELETE 0
+
+/* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
+#define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
+#define FNAMECMP_BASIS_DIR_HIGH 0x7F
+#define FNAMECMP_FNAME 0x80
+#define FNAMECMP_PARTIAL_DIR 0x81
+#define FNAMECMP_BACKUP 0x82
+#define FNAMECMP_FUZZY 0x83
+
+/* For use by the itemize_changes code */
+#define ITEM_REPORT_CHECKSUM (1<<1)
+#define ITEM_REPORT_SIZE (1<<2)
+#define ITEM_REPORT_TIME (1<<3)
+#define ITEM_REPORT_PERMS (1<<4)
+#define ITEM_REPORT_OWNER (1<<5)
+#define ITEM_REPORT_GROUP (1<<6)
+#define ITEM_REPORT_XATTRS (1<<7)
+#define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
+#define ITEM_XNAME_FOLLOWS (1<<12)
+#define ITEM_IS_NEW (1<<13)
+#define ITEM_LOCAL_CHANGE (1<<14)
+#define ITEM_TRANSFER (1<<15)
+/* These are outside the range of the transmitted flags. */
+#define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
+#define ITEM_DELETED (1<<17) /* used by log_formatted() */
+
+#define SIGNIFICANT_ITEM_FLAGS (~(\
+ ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
+
+
+/* Log-message categories. Only FERROR and FINFO get sent over the socket.
+ * FLOG and FCLIENT are only used on the daemon side for custom logging,
+ * while FNAME is only used on the client side. */
+enum logcode { FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FNAME=5 };
+
+/* Messages types that are sent over the message channel. The logcode
+ * values must all be present here with identical numbers. */
+enum msgcode {
+ MSG_DATA=0, /* raw data on the multiplexed stream */
+ MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
+ MSG_LOG=FLOG, /* sibling logging */
+ MSG_REDO=9, /* reprocess indicated flist index */
+ MSG_SUCCESS=100,/* successfully updated indicated flist index */
+ MSG_DELETED=101,/* successfully deleted a file on receiving side */
+ MSG_DONE=86 /* current phase is done */
+};
#include "errcode.h"
/* The default RSYNC_RSH is always set in config.h. */
-#include <sys/types.h>
-
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+# include <unistd.h>
#endif
-#include <stdio.h>
-#include <stddef.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#if defined(HAVE_MALLOC_H) && (defined(HAVE_MALLINFO) || !defined(HAVE_STDLIB_H))
+#if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
#include <malloc.h>
#endif
#include <sys/socket.h>
#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#endif
#endif
-#include <sys/stat.h>
-
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include <syslog.h>
#include <sys/file.h>
-#if HAVE_DIRENT_H
+#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else
# define dirent direct
-# if HAVE_SYS_NDIR_H
+# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
-# if HAVE_SYS_DIR_H
+# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
-# if HAVE_NDIR_H
+# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
+#ifdef MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
+# define makedev mkdev
+# endif
+#elif defined MAJOR_IN_SYSMACROS
+#include <sys/sysmacros.h>
+#endif
+
#ifdef HAVE_COMPAT_H
#include <compat.h>
#endif
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+
#include <assert.h>
+#include "lib/pool_alloc.h"
#define BOOL int
#define uchar unsigned char
#endif
-#if HAVE_UNSIGNED_CHAR
+#ifdef SIGNED_CHAR_OK
#define schar signed char
#else
#define schar char
#endif
+/* Find a variable that is either exactly 32-bits or longer.
+ * If some code depends on 32-bit truncation, it will need to
+ * take special action in a "#if SIZEOF_INT32 > 4" section. */
#ifndef int32
-#if (SIZEOF_INT == 4)
-#define int32 int
-#elif (SIZEOF_LONG == 4)
-#define int32 long
-#elif (SIZEOF_SHORT == 4)
-#define int32 short
+#if SIZEOF_INT == 4
+# define int32 int
+# define SIZEOF_INT32 4
+#elif SIZEOF_LONG == 4
+# define int32 long
+# define SIZEOF_INT32 4
+#elif SIZEOF_SHORT == 4
+# define int32 short
+# define SIZEOF_INT32 4
+#elif SIZEOF_INT > 4
+# define int32 int
+# define SIZEOF_INT32 SIZEOF_INT
+#elif SIZEOF_LONG > 4
+# define int32 long
+# define SIZEOF_INT32 SIZEOF_LONG
#else
-/* I hope this works */
-#define int32 int
-#define LARGE_INT32
+# error Could not find a 32-bit integer variable
#endif
+#else
+# define SIZEOF_INT32 4
#endif
#ifndef uint32
#define uint32 unsigned int32
#endif
-#if HAVE_OFF64_T
-#define OFF_T off64_t
-#define STRUCT_STAT struct stat64
-#else
+#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
#define OFF_T off_t
#define STRUCT_STAT struct stat
-#endif
-
-#if HAVE_OFF64_T
-#define int64 off64_t
-#elif (SIZEOF_LONG == 8)
-#define int64 long
-#elif (SIZEOF_INT == 8)
-#define int64 int
-#elif HAVE_LONGLONG
-#define int64 long long
#else
-/* As long as it gets... */
-#define int64 off_t
-#define NO_INT64
-#endif
-
-#if (SIZEOF_LONG == 8)
-#define uint64 unsigned long
-#elif (SIZEOF_INT == 8)
-#define uint64 unsigned int
-#elif HAVE_LONGLONG
-#define uint64 unsigned long long
+#define OFF_T off64_t
+#define STRUCT_STAT struct stat64
+#define USE_STAT64_FUNCS 1
+#endif
+
+/* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
+ * that's the maximum size the file system can handle and there is no
+ * 64-bit type available. The rsync source must therefore take steps
+ * to ensure that any code that really requires a 64-bit integer has
+ * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
+ * counter). */
+#if SIZEOF_OFF64_T == 8
+# define int64 off64_t
+# define SIZEOF_INT64 8
+#elif SIZEOF_LONG == 8
+# define int64 long
+# define SIZEOF_INT64 8
+#elif SIZEOF_INT == 8
+# define int64 int
+# define SIZEOF_INT64 8
+#elif SIZEOF_LONG_LONG == 8
+# define int64 long long
+# define SIZEOF_INT64 8
+#elif SIZEOF_OFF_T == 8
+# define int64 off_t
+# define SIZEOF_INT64 8
+#elif SIZEOF_INT > 8
+# define int64 int
+# define SIZEOF_INT64 SIZEOF_INT
+#elif SIZEOF_LONG > 8
+# define int64 long
+# define SIZEOF_INT64 SIZEOF_LONG
+#elif SIZEOF_LONG_LONG > 8
+# define int64 long long
+# define SIZEOF_INT64 SIZEOF_LONG_LONG
#else
/* As long as it gets... */
-#define uint64 unsigned off_t
+# define int64 off_t
+# define SIZEOF_INT64 SIZEOF_OFF_T
#endif
/* Starting from protocol version 26, we always use 64-bit
* device numbers will be truncated. But it's a kind of silly thing
* to do anyhow.
*
- * FIXME: In future, we should probable split the device number into
- * major/minor, and transfer the two parts as 32-bit ints. That gives
- * you somewhat more of a chance that they'll come from a big machine
- * to a little one in a useful way.
- *
- * FIXME: Really we need an unsigned type, and we perhaps ought to
- * cope with platforms on which this is an unsigned int or even a
- * struct. Later.
- */
-#define INO64_T uint64
-#define DEV64_T uint64
+ * FIXME: I don't think the code in flist.c has ever worked on a system
+ * where dev_t is a struct.
+ */
+
+struct idev {
+ int64 inode;
+ int64 dev;
+};
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#define MAXPATHLEN 1024
#endif
+/* We want a roomy line buffer that can hold more than MAXPATHLEN,
+ * and significantly more than an overly short MAXPATHLEN. */
+#if MAXPATHLEN < 4096
+#define BIGPATHBUFLEN (4096+1024)
+#else
+#define BIGPATHBUFLEN (MAXPATHLEN+1024)
+#endif
+
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
#define IN_LOOPBACKNET 127
#endif
-#define GID_NONE (gid_t) -1
+#define GID_NONE ((gid_t)-1)
+
+#define HL_CHECK_MASTER 0
+#define HL_SKIP 1
+
+struct hlink {
+ int next;
+ int hlindex;
+};
+
+#define F_DEV link_u.idev->dev
+#define F_INODE link_u.idev->inode
+
+#define F_HLINDEX link_u.links->hlindex
+#define F_NEXT link_u.links->next
struct file_struct {
- time_t modtime;
- OFF_T length;
- mode_t mode;
- INO64_T inode;
- DEV64_T dev;
union {
- DEV64_T rdev; /* The device number, if this is a device */
+ dev_t rdev; /* The device number, if this is a device */
char *sum; /* Only a normal file can have a checksum */
- char *link; /* Holds symlink string, if a symlink */
+ char *link; /* Points to symlink string, if a symlink */
} u;
+ OFF_T length;
+ char *basename; /* The current item's name (AKA filename) */
+ char *dirname; /* The directory info inside the transfer */
+ union {
+ char *root; /* Sender-side dir info outside transfer */
+ int depth; /* Receiver-side directory depth info */
+ } dir;
+ union {
+ struct idev *idev;
+ struct hlink *links;
+ } link_u;
+ time_t modtime;
uid_t uid;
gid_t gid;
- char *basename;
- char *dirname;
- char *basedir;
- unsigned short flags;
+ mode_t mode;
+ uchar flags; /* this item MUST remain last */
};
+/*
+ * Start the flist array at FLIST_START entries and grow it
+ * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
+ */
+#define FLIST_START (32 * 1024)
+#define FLIST_LINEAR (FLIST_START * 512)
+
+/*
+ * Extent size for allocation pools A minimum size of 128KB
+ * is needed to mmap them so that freeing will release the
+ * space to the OS.
+ *
+ * Larger sizes reduce leftover fragments and speed free calls
+ * (when they happen) Smaller sizes increase the chance of
+ * freed allocations freeing whole extents.
+ */
+#define FILE_EXTENT (256 * 1024)
+#define HLINK_EXTENT (128 * 1024)
-#define ARENA_SIZE (32 * 1024)
-
-struct string_area {
- char *base;
- char *end;
- char *current;
- struct string_area *next;
-};
+#define WITH_HLINK 1
+#define WITHOUT_HLINK 0
struct file_list {
+ struct file_struct **files;
+ alloc_pool_t file_pool;
+ alloc_pool_t hlink_pool;
int count;
int malloced;
- struct file_struct **files;
- struct string_area *string_area;
+ int low, high;
};
+#define SUMFLG_SAME_OFFSET (1<<0)
+
struct sum_buf {
OFF_T offset; /**< offset in file of this chunk */
- unsigned int len; /**< length of chunk of file */
- int i; /**< index of this chunk */
+ int32 len; /**< length of chunk of file */
uint32 sum1; /**< simple checksum */
+ short flags; /**< flag bits */
char sum2[SUM_LENGTH]; /**< checksum */
};
struct sum_struct {
OFF_T flength; /**< total file length */
- size_t count; /**< how many chunks */
- unsigned int blength; /**< block_length */
- unsigned int remainder; /**< flength % block_length */
- int s2length; /**< sum2_length */
struct sum_buf *sums; /**< points to info for each chunk */
+ int32 count; /**< how many chunks */
+ int32 blength; /**< block_length */
+ int32 remainder; /**< flength % block_length */
+ int s2length; /**< sum2_length */
};
struct map_struct {
- char *p; /* Window pointer */
- int fd; /* File Descriptor */
- int p_size; /* Window size at allocation */
- int p_len; /* Window size after fill */
- /* p_size and p_len could be
- * consolodated by using a local
- * variable in map_ptr() */
- int status; /* first errno from read errors */
OFF_T file_size; /* File size (from stat) */
OFF_T p_offset; /* Window start */
OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
+ char *p; /* Window pointer */
+ int32 p_size; /* Largest window size we allocated */
+ int32 p_len; /* Latest (rounded) window size */
+ int32 def_window_size; /* Default window size */
+ int fd; /* File Descriptor */
+ int status; /* first errno from read errors */
};
#define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
#define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */
-#define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with '**' */
-#define MATCHFLG_ABS_PATH (1<<3) /* path-match on absolute path */
-struct exclude_struct {
+#define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
+#define MATCHFLG_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
+#define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */
+#define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */
+#define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */
+#define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */
+#define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */
+#define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
+#define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */
+#define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
+#define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
+#define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
+#define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */
+#define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */
+#define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */
+#define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
+#define MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */
+
+#define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
+ | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
+ | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE)
+
+struct filter_struct {
+ struct filter_struct *next;
char *pattern;
- int match_flags;
- int include;
- int directory;
- int slash_cnt;
+ uint32 match_flags;
+ union {
+ int slash_cnt;
+ struct filter_list_struct *mergelist;
+ } u;
+};
+
+struct filter_list_struct {
+ struct filter_struct *head;
+ struct filter_struct *tail;
+ char *debug_type;
};
struct stats {
int64 total_read;
int64 literal_data;
int64 matched_data;
+ int64 flist_buildtime;
+ int64 flist_xfertime;
int flist_size;
int num_files;
int num_transferred_files;
+ int current_file_index;
};
-
-/* we need this function because of the silly way in which duplicate
- entries are handled in the file lists - we can't change this
- without breaking existing versions */
-static inline int flist_up(struct file_list *flist, int i)
-{
- while (!flist->files[i]->basename) i++;
- return i;
-}
+struct chmod_mode_struct;
#include "byteorder.h"
#include "lib/mdfour.h"
int vasprintf(char **ptr, const char *format, va_list ap);
#endif
-#if !defined(HAVE_VSNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+#if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
#define vsnprintf rsync_vsnprintf
int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
#endif
-#if !defined(HAVE_SNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+#if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
#define snprintf rsync_snprintf
int snprintf(char *str,size_t count,const char *fmt,...);
#endif
-#if !HAVE_STRERROR
+#ifndef HAVE_STRERROR
extern char *sys_errlist[];
#define strerror(i) sys_errlist[i]
#endif
extern int errno;
#endif
-#define SUPPORT_LINKS HAVE_READLINK
-#define SUPPORT_HARD_LINKS HAVE_LINK
-
-/* This could be bad on systems which have no lchown and where chown
- * follows symbollic links. On such systems it might be better not to
- * try to chown symlinks at all. */
-#ifndef HAVE_LCHOWN
-#define lchown chown
+#ifdef HAVE_READLINK
+#define SUPPORT_LINKS 1
+#endif
+#ifdef HAVE_LINK
+#define SUPPORT_HARD_LINKS 1
#endif
#define SIGNAL_CAST (RETSIGTYPE (*)())
#define STDERR_FILENO 2
#endif
+#ifndef S_IRUSR
+#define S_IRUSR 0400
+#endif
+
#ifndef S_IWUSR
#define S_IWUSR 0200
#endif
/* work out what fcntl flag to use for non-blocking */
#ifdef O_NONBLOCK
# define NONBLOCK_FLAG O_NONBLOCK
-#elif defined(SYSV)
+#elif defined SYSV
# define NONBLOCK_FLAG O_NDELAY
-#else
+#else
# define NONBLOCK_FLAG FNDELAY
#endif
#define INADDR_NONE 0xffffffff
#endif
-#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
+#define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
+#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
/* Initial mask on permissions given to temporary files. Mask off setuid
bits and group access because of potential race-condition security
/* handler for null strings in printf format */
#define NS(s) ((s)?(s):"<NULL>")
-#if !defined(__GNUC__) || defined(APPLE)
+#if !defined __GNUC__ || defined __APPLE__
/* Apparently the OS X port of gcc gags on __attribute__.
*
* <http://www.opensource.apple.com/bugs/X/gcc/2512150.html> */
-#define __attribute__(x)
+#define __attribute__(x)
#endif
#define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
+#ifdef HAVE_GETEUID
+#define MY_UID() geteuid()
+#else
+#define MY_UID() getuid()
+#endif
+
+#ifdef HAVE_GETEGID
+#define MY_GID() getegid()
+#else
+#define MY_GID() getgid()
+#endif
extern int verbose;
#ifndef HAVE_INET_NTOP
-const char *
-inet_ntop(int af, const void *src, char *dst, size_t size);
-#endif /* !HAVE_INET_NTOP */
+const char *inet_ntop(int af, const void *src, char *dst, size_t size);
+#endif
#ifndef HAVE_INET_PTON
int inet_pton(int af, const char *src, void *dst);
#endif
#define UNUSED(x) x __attribute__((__unused__))
-
-extern const char *io_write_phase, *io_read_phase;