-/*
- Copyright (C) Andrew Tridgell 1996
+/*
+ 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 False 0
+#define True 1
+
#define BLOCK_SIZE 700
#define RSYNC_RSH_ENV "RSYNC_RSH"
+#define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
#define RSYNC_NAME "rsync"
-#define RSYNCD_CONF "/etc/rsyncd.conf"
+/* RSYNCD_SYSCONF is now set in config.h */
+#define RSYNCD_USERCONF "rsyncd.conf"
+
+#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
+#define URL_PREFIX "rsync://"
#define BACKUP_SUFFIX "~"
/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
- imcompatible with older versions :-( */
+ incompatible with older versions :-( */
#define CHAR_OFFSET 0
+/* These flags are only used during the flist transfer. */
-#define FLAG_DELETE (1<<0)
-#define SAME_MODE (1<<1)
-#define SAME_RDEV (1<<2)
-#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 XMIT_DEL_START (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_DEL_START (1<<0)
+#define FLAG_HLINK_EOL (1<<1) /* generator only */
+#define FLAG_MOUNT_POINT (1<<2) /* sender only */
/* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 17
-#define MIN_PROTOCOL_VERSION 11
-#define MAX_PROTOCOL_VERSION 30
+#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
+ * people writing them to make sure that they don't send us anything
+ * we won't understand.
+ *
+ * Interoperation with old but supported protocol versions
+ * should cause a warning to be printed. At a future date
+ * the old protocol will become the minimum and
+ * compatibility code removed.
+ *
+ * There are two possible explanations for the limit at
+ * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
+ * do not interoperate with us, and (more likely) so that we can
+ * detect an attempt to connect rsync to a non-rsync server, which is
+ * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
+ * MAX_PROTOCOL_VERSION. */
+
+#define MIN_PROTOCOL_VERSION 20
+#define OLD_PROTOCOL_VERSION 25
+#define MAX_PROTOCOL_VERSION 40
#define RSYNC_PORT 873
#define SPARSE_WRITE_SIZE (1024)
#define WRITE_SIZE (32*1024)
#define CHUNK_SIZE (32*1024)
-#define MAX_MAP_SIZE (4*1024*1024)
-#define IO_BUFFER_SIZE (4096)
-#define MAX_READ_BUFFER (1024*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 MAX_ARGS 1000
-#define BLOCKING_TIMEOUT 10
+#define MAX_BASIS_DIRS 20
+
+#define MPLEX_BASE 7
+
+#define NO_FILTERS 0
+#define SERVER_FILTERS 1
+#define ALL_FILTERS 2
+
+#define XFLG_FATAL_ERRORS (1<<0)
+#define XFLG_DEF_INCLUDE (1<<1)
+#define XFLG_DEF_EXCLUDE (1<<2)
+#define XFLG_WORD_SPLIT (1<<3)
+#define XFLG_DIRECTORY (1<<4)
+#define XFLG_NO_PREFIXES (1<<5)
+#define XFLG_ANCHORED2ABS (1<<6)
-#define FERROR 1
-#define FINFO 2
+#define PERMS_REPORT (1<<0)
+#define PERMS_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
+
+/* For calling delete_file() */
+#define DEL_DIR (1<<0)
+#define DEL_NO_RECURSE (1<<1)
+#define DEL_FORCE_RECURSE (1<<2) /* recurse even w/o --force */
+#define DEL_TERSE (1<<3)
+
+
+/* Log-message categories. FLOG is only used on the daemon side to
+ * output messages to the log file. */
+enum logcode { FERROR=1, FINFO=2, FLOG=3 };
+
+/* Messages types that are sent over the message channel. The logcode
+ * values must all be present here with identical numbers. */
+enum msgcode {
+ MSG_DONE=5, /* current phase is done */
+ MSG_REDO=4, /* reprocess indicated flist index */
+ MSG_ERROR=FERROR, MSG_INFO=FINFO, MSG_LOG=FLOG, /* remote logging */
+ MSG_DATA=0 /* raw data on the multiplexed stream */
+};
+
+#include "errcode.h"
#include "config.h"
-#if HAVE_REMSH
-#define RSYNC_RSH "remsh"
-#else
-#define RSYNC_RSH "rsh"
-#endif
+/* The default RSYNC_RSH is always set in config.h. */
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
#include <stdio.h>
-#include <stddef.h>
-
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
#endif
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
+#if HAVE_SYS_STAT_H
+# include <sys/stat.h>
#endif
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# if HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
#endif
-
-#ifdef HAVE_STRING_H
-#include <string.h>
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#if HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
#endif
-#ifdef HAVE_COMPAT_H
-#include <compat.h>
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
#endif
-#ifdef HAVE_MALLOC_H
+#if HAVE_MALLOC_H && (HAVE_MALLINFO || !HAVE_STDLIB_H)
#include <malloc.h>
#endif
-#ifdef TIME_WITH_SYS_TIME
+#if HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
-#ifdef HAVE_SYS_TIME_H
+#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
-#ifdef HAVE_FCNTL_H
+#if HAVE_FCNTL_H
#include <fcntl.h>
#else
-#ifdef HAVE_SYS_FCNTL_H
+#if HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#endif
-#include <sys/stat.h>
-
-#ifdef HAVE_SYS_IOCTL_H
+#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
-#ifdef HAVE_SYS_FILIO_H
+#if HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#include <signal.h>
-#ifdef HAVE_SYS_WAIT_H
+#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
-#ifdef HAVE_CTYPE_H
+#if HAVE_CTYPE_H
#include <ctype.h>
#endif
-#ifdef HAVE_GRP_H
+#if HAVE_GRP_H
#include <grp.h>
#endif
#include <errno.h>
-#ifdef HAVE_MMAP
-#include <sys/mman.h>
-#endif
-
-#ifdef HAVE_UTIME_H
+#if HAVE_UTIME_H
#include <utime.h>
#endif
-#ifdef HAVE_SYS_SELECT_H
+#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
-#ifdef HAVE_SYS_MODE_H
+#if HAVE_SYS_MODE_H
/* apparently AIX needs this for S_ISLNK */
#ifndef S_ISLNK
#include <sys/mode.h>
#endif
#endif
-#ifdef HAVE_FNMATCH
-#include <fnmatch.h>
-#else
-#include "lib/fnmatch.h"
-#endif
-
-#ifdef HAVE_GETOPT_LONG
-#include <getopt.h>
-#else
-#include "lib/getopt.h"
-#endif
-
-#ifdef HAVE_GLOB
+#if HAVE_GLOB_H
#include <glob.h>
#endif
#include <syslog.h>
#include <sys/file.h>
-#ifndef S_IFLNK
-#define S_IFLNK 0120000
+#if HAVE_DIRENT_H
+# include <dirent.h>
+#else
+# define dirent direct
+# if HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#if MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+# if !defined(makedev) && defined(mkdev)
+# define makedev mkdev
+# endif
+#elif MAJOR_IN_SYSMACROS
+#include <sys/sysmacros.h>
#endif
-#ifndef S_ISLNK
-#define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
+#if HAVE_COMPAT_H
+#include <compat.h>
#endif
+#include <assert.h>
+
+#include "lib/pool_alloc.h"
+
#define BOOL int
#ifndef uchar
#define uchar unsigned char
#endif
-#if HAVE_UNSIGNED_CHAR
+#if 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
+# 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 || !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
-#define int64 off_t
-#define NO_INT64
-#endif
+#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 int64 off_t
+# define SIZEOF_INT64 SIZEOF_OFF_T
+#endif
+
+/* Starting from protocol version 26, we always use 64-bit
+ * ino_t and dev_t internally, even if this platform does not
+ * allow files to have 64-bit inums. That's because the
+ * receiver needs to find duplicate (dev,ino) tuples to detect
+ * hardlinks, and it might have files coming from a platform
+ * that has 64-bit inums.
+ *
+ * The only exception is if we're on a platform with no 64-bit type at
+ * all.
+ *
+ * Because we use read_longint() to get these off the wire, if you
+ * transfer devices or hardlinks with dev or inum > 2**32 to a machine
+ * with no 64-bit types then you will get an overflow error. Probably
+ * not many people have that combination of machines, and you can
+ * avoid it by not preserving hardlinks or not transferring device
+ * nodes. It's not clear that any other behaviour is better.
+ *
+ * Note that if you transfer devices from a 64-bit-devt machine (say,
+ * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
+ * device numbers will be truncated. But it's a kind of silly thing
+ * to do anyhow.
+ *
+ * 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 MAX(a,b) ((a)>(b)?(a):(b))
#endif
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 256
+#endif
+
/* the length of the md4 checksum */
#define MD4_SUM_LENGTH 16
#define SUM_LENGTH 16
+#define SHORT_SUM_LENGTH 2
+#define BLOCKSUM_BIAS 10
#ifndef MAXPATHLEN
#define MAXPATHLEN 1024
#endif
+#ifndef NAME_MAX
+#define NAME_MAX 255
+#endif
+
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
+#ifndef IN_LOOPBACKNET
+#define IN_LOOPBACKNET 127
+#endif
+
+#define GID_NONE ((gid_t)-1)
+
+#define HL_CHECK_MASTER 0
+#define HL_SKIP 1
+
+struct hlink {
+ struct file_struct *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 {
- unsigned flags;
- time_t modtime;
+ union {
+ dev_t rdev; /* The device number, if this is a device */
+ char *sum; /* Only a normal file can have a checksum */
+ char *link; /* Points to symlink string, if a symlink */
+ } u;
OFF_T length;
- mode_t mode;
- ino_t inode;
- dev_t dev;
- dev_t rdev;
+ 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;
- char *link;
- char *sum;
+ 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 WITH_HLINK 1
+#define WITHOUT_HLINK 0
+
struct file_list {
- int count;
- int malloced;
- struct file_struct **files;
+ struct file_struct **files;
+ alloc_pool_t file_pool;
+ alloc_pool_t hlink_pool;
+ int count;
+ int malloced;
+ int low, high;
};
+#define SUMFLG_SAME_OFFSET (1<<0)
+
struct sum_buf {
- OFF_T offset; /* offset in file of this chunk */
- int len; /* length of chunk of file */
- int i; /* index of this chunk */
- uint32 sum1; /* simple checksum */
- char sum2[SUM_LENGTH]; /* checksum */
+ OFF_T offset; /**< offset in file 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 */
- int count; /* how many chunks */
- int remainder; /* flength % block_length */
- int n; /* block_length */
- struct sum_buf *sums; /* points to info for each chunk */
+ OFF_T flength; /**< total file length */
+ struct sum_buf *sums; /**< points to info for each chunk */
+ size_t count; /**< how many chunks */
+ int32 blength; /**< block_length */
+ int32 remainder; /**< flength % block_length */
+ int s2length; /**< sum2_length */
};
struct map_struct {
- char *map,*p;
- int fd,p_size,p_len;
- OFF_T size, p_offset;
+ 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 */
};
-/* 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;
-}
+#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 */
+#define MATCHFLG_INCLUDE (1<<4) /* this is an include, not an exclude */
+#define MATCHFLG_DIRECTORY (1<<5) /* this matches only directories */
+#define MATCHFLG_CLEAR_LIST (1<<6) /* this item is the "!" token */
+#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 */
+struct filter_struct {
+ struct filter_struct *next;
+ char *pattern;
+ unsigned int 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_size;
+ int64 total_transferred_size;
+ int64 total_written;
+ 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;
+};
-#if HAVE_DIRENT_H
-# include <dirent.h>
-#else
-# define dirent direct
-# if HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif
#include "byteorder.h"
-#include "version.h"
+#include "lib/mdfour.h"
+#include "lib/wildmatch.h"
+#include "lib/permstring.h"
+#include "lib/addrinfo.h"
+
#include "proto.h"
-#include "md4.h"
+
+/* We have replacement versions of these if they're missing. */
+#if !HAVE_ASPRINTF
+int asprintf(char **ptr, const char *format, ...);
+#endif
+
+#if !HAVE_VASPRINTF
+int vasprintf(char **ptr, const char *format, va_list ap);
+#endif
+
+#if !HAVE_VSNPRINTF || !HAVE_C99_VSNPRINTF
+#define vsnprintf rsync_vsnprintf
+int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
+#endif
+
+#if !HAVE_SNPRINTF || !HAVE_C99_VSNPRINTF
+#define snprintf rsync_snprintf
+int snprintf(char *str,size_t count,const char *fmt,...);
+#endif
+
#if !HAVE_STRERROR
extern char *sys_errlist[];
#define strerror(i) sys_errlist[i]
#endif
-#ifndef HAVE_STRCHR
+#if !HAVE_STRCHR
# define strchr index
# define strrchr rindex
#endif
-#ifndef HAVE_ERRNO_DECL
+#if !HAVE_ERRNO_DECL
extern int errno;
#endif
-#ifndef HAVE_BCOPY
-#define bcopy(src,dest,n) memcpy(dest,src,n)
-#endif
-
-#ifndef HAVE_BZERO
-#define bzero(buf,n) memset(buf,0,n)
-#endif
-
#define SUPPORT_LINKS HAVE_READLINK
#define SUPPORT_HARD_LINKS HAVE_LINK
-#ifndef HAVE_LCHOWN
-#define lchown chown
-#endif
-
#define SIGNAL_CAST (RETSIGTYPE (*)())
#ifndef EWOULDBLOCK
#define STDERR_FILENO 2
#endif
+#ifndef S_IRUSR
+#define S_IRUSR 0400
+#endif
+
#ifndef S_IWUSR
#define S_IWUSR 0200
#endif
+#ifndef ACCESSPERMS
+#define ACCESSPERMS 0777
+#endif
+
+#ifndef S_ISVTX
+#define S_ISVTX 0
+#endif
+
+#define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
+
+#ifndef _S_IFMT
+#define _S_IFMT 0170000
+#endif
+
+#ifndef _S_IFLNK
+#define _S_IFLNK 0120000
+#endif
+
+#ifndef S_ISLNK
+#define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
+#endif
+
#ifndef S_ISBLK
#define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
#endif
#define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
#endif
+/* work out what fcntl flag to use for non-blocking */
+#ifdef O_NONBLOCK
+# define NONBLOCK_FLAG O_NONBLOCK
+#elif defined(SYSV)
+# define NONBLOCK_FLAG O_NDELAY
+#else
+# define NONBLOCK_FLAG FNDELAY
+#endif
+
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK 0x7f000001
+#endif
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
+/* Initial mask on permissions given to temporary files. Mask off setuid
+ bits and group access because of potential race-condition security
+ holes, and mask other access because mode 707 is bizarre */
+#define INITACCESSPERMS 0700
+
+/* handler for null strings in printf format */
+#define NS(s) ((s)?(s):"<NULL>")
+
+#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)
+
+#endif
+
+/* Convenient wrappers for malloc and realloc. Use them. */
+#define new(type) ((type *)malloc(sizeof(type)))
+#define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
+#define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
+
+/* use magic gcc attributes to catch format errors */
+ void rprintf(enum logcode , const char *, ...)
+ __attribute__((format (printf, 2, 3)))
+;
+
+/* This is just like rprintf, but it also tries to print some
+ * representation of the error code. Normally errcode = errno. */
+void rsyserr(enum logcode, int, const char *, ...)
+ __attribute__((format (printf, 3, 4)))
+ ;
+
+#if REPLACE_INET_NTOA
+#define inet_ntoa rep_inet_ntoa
+#endif
+
+/* Make sure that the O_BINARY flag is defined. */
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#if !HAVE_STRLCPY
+size_t strlcpy(char *d, const char *s, size_t bufsize);
+#endif
+
+#if !HAVE_STRLCAT
+size_t strlcat(char *d, const char *s, size_t bufsize);
+#endif
+
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
+#endif
+
+#define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
+
+#if HAVE_GETEUID
+#define MY_UID() geteuid()
+#else
+#define MY_UID() getuid()
+#endif
+
+#if HAVE_GETEGID
+#define MY_GID() getegid()
+#else
+#define MY_GID() getgid()
+#endif
+
+extern int verbose;
+
+#if !HAVE_INET_NTOP
+const char *inet_ntop(int af, const void *src, char *dst, size_t size);
+#endif /* !HAVE_INET_NTOP */
+
+#if !HAVE_INET_PTON
+int inet_pton(int af, const char *src, void *dst);
+#endif
+
+#ifdef MAINTAINER_MODE
+const char *get_panic_action(void);
+#endif
+
+#define UNUSED(x) x __attribute__((__unused__))
+
+extern const char *io_write_phase, *io_read_phase;