-/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
-
- 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.
-*/
+/*
+ * Copyright (C) 1996, 2000 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003-2007 Wayne Davison
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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://"
incompatible with older versions :-( */
#define CHAR_OFFSET 0
-
-#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)
+/* 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 /* 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_HLINKED (1<<9)
+#define XMIT_SAME_DEV_pre30 (1<<10) /* protocols < 30 */
+#define XMIT_HLINK_FIRST (1<<10) /* protocols >= 30 */
+#define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
+#define XMIT_USER_NAME_FOLLOWS (1<<12) /* protocols >= 30 */
+#define XMIT_GROUP_NAME_FOLLOWS (1<<13) /* protocols >= 30 */
+
+/* These flags are used in the live flist data. */
+
+#define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
+#define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */
+#define FLAG_DIR_CHANGED (1<<1) /* generator */
+#define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */
+#define FLAG_MOUNT_DIR (1<<3) /* sender/generator */
+#define FLAG_MISSING_DIR (1<<4) /* generator */
+#define FLAG_HLINKED (1<<5) /* receiver/generator */
+#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
+#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
+#define FLAG_HLINK_DONE (1<<8) /* receiver/generator */
+#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
+
+/* These flags are passed to functions but not stored. */
+
+#define FLAG_DIVERT_DIRS (1<<16)/* sender */
+
+#define BITS_SET(val,bits) (((val) & (bits)) == (bits))
+#define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
+#define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
+ == ((unsigned)(b2) & (unsigned)(mask)))
/* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 23
-#define MIN_PROTOCOL_VERSION 15
-#define MAX_PROTOCOL_VERSION 30
+#define PROTOCOL_VERSION 30
+
+/* 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 FILECNT_LOOKAHEAD 1000
#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
-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_ATIME (1<<0)
+#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_ACL (1<<7)
+#define ITEM_REPORT_XATTR (1<<8)
+#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 ITEM_MATCHED (1<<18) /* used by itemize() */
+
+#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,
+ * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe.
+ * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */
+enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=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, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */
+ MSG_REDO=9, /* reprocess indicated flist index */
+ MSG_FLIST=20, /* extra file list over sibling socket */
+ MSG_FLIST_EOF=21,/* we've transmitted all the file lists */
+ MSG_IO_ERROR=22,/* the sending side had an I/O error */
+ MSG_NOOP=42, /* a do-nothing message */
+ MSG_SUCCESS=100,/* successfully updated indicated flist index */
+ MSG_DELETED=101,/* successfully deleted a file on receiving side */
+ MSG_NO_SEND=102,/* sender failed to open a file we wanted */
+ MSG_DONE=86 /* current phase is done */
+};
+
+#define NDX_DONE -1
+#define NDX_FLIST_EOF -2
+#define NDX_FLIST_OFFSET -101
#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_GETOPT_LONG
-#include <getopt.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
-#include "lib/getopt.h"
+# 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_INTTYPES_H
+# include <inttypes.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>
+#if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
+#include <malloc.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#ifdef HAVE_MALLOC_H
-#include <malloc.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
#endif
#endif
-#ifdef HAVE_FNMATCH
-#include <fnmatch.h>
-#else
-#include "lib/fnmatch.h"
-#endif
-
#ifdef HAVE_GLOB_H
#include <glob.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 MAKEDEV_TAKES_3_ARGS
+#define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
+#else
+#define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
+#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
-#ifndef int32
-#if (SIZEOF_INT == 4)
-#define int32 int
-#elif (SIZEOF_LONG == 4)
-#define int32 long
-#elif (SIZEOF_SHORT == 4)
-#define int32 short
+#ifndef int16
+#if SIZEOF_INT16_T == 2
+# define int16 int16_t
#else
-/* I hope this works */
-#define int32 int
-#define LARGE_INT32
+# define int16 short
#endif
#endif
-#ifndef uint32
-#define uint32 unsigned int32
+#ifndef uint16
+#if SIZEOF_UINT16_T == 2
+# define uint16 uint16_t
+#else
+# define uint16 unsigned int16
+#endif
#endif
-#if HAVE_OFF64_T
-#define OFF_T off64_t
-#define STRUCT_STAT struct stat64
+/* 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_INT32_T == 4
+# define int32 int32_t
+# define SIZEOF_INT32 4
+#elif 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
-#define OFF_T off_t
-#define STRUCT_STAT struct stat
+# error Could not find a 32-bit integer variable
#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
+# define SIZEOF_INT32 4
#endif
-#if HAVE_SHORT_INO_T
-#define INO_T uint32
+#ifndef uint32
+#if SIZEOF_UINT32_T == 4
+# define uint32 uint32_t
#else
-#define INO_T ino_t
+# define uint32 unsigned int32
#endif
+#endif
+
+#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
+#define OFF_T off_t
+#define STRUCT_STAT struct stat
+#else
+#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_INT64_T == 8
+# define int64 int64_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_OFF64_T == 8
+# define int64 off64_t
+# 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_node {
+ int64 key;
+ void *data;
+};
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
/* 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 PIPE_BUF
-#define PIPE_BUF 512
+/* 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
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
+#ifndef IN_LOOPBACKNET
+#define IN_LOOPBACKNET 127
+#endif
+
+#define GID_NONE ((gid_t)-1)
+
+union file_extras {
+ int32 num;
+ uint32 unum;
+};
+
struct file_struct {
- unsigned flags;
- time_t modtime;
- OFF_T length;
- mode_t mode;
- INO_T inode;
- dev_t dev;
- dev_t rdev;
- uid_t uid;
- gid_t gid;
- char *basename;
- char *dirname;
- char *basedir;
- char *link;
- char *sum;
+ const char *dirname; /* The dir info inside the transfer */
+ time_t modtime; /* When the item was last modified */
+ uint32 len32; /* Lowest 32 bits of the file's length */
+ uint16 mode; /* The item's type and permissions */
+ uint16 flags; /* The FLAG_* bits for this item */
+ const char basename[1]; /* The basename (AKA filename) follows */
};
+extern int file_extra_cnt;
+extern int preserve_uid;
+extern int preserve_gid;
+
+#define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
+#define EXTRA_LEN (sizeof (union file_extras))
+#define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
+#define SUM_EXTRA_CNT ((MD4_SUM_LENGTH + EXTRA_LEN - 1) / EXTRA_LEN)
+
+#define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
+#define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
+
+#define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
+#define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0)
+
+/* The length applies to all items. */
+#if SIZEOF_INT64 < 8
+#define F_LENGTH(f) ((int64)(f)->len32)
+#else
+#define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
+ ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0))
+#endif
+
+/* If there is a symlink string, it is always right after the basename */
+#define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
+
+/* The sending side always has this available: */
+#define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN))
+
+/* The receiving side always has this available: */
+#define F_DEPTH(f) REQ_EXTRA(f, 1)->num
+
+/* When the associated option is on, all entries will have these present: */
+#define F_OWNER(f) REQ_EXTRA(f, preserve_uid)->unum
+#define F_GROUP(f) REQ_EXTRA(f, preserve_gid)->unum
+
+/* These items are per-entry optional and mutally exclusive: */
+#define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
+#define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
+#define F_DIRDEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 2 - 1)->unum)
+#define F_DIRNODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 3 - 1)->num)
+
+/* This optional item might follow an F_HL_*() item.
+ * (Note: a device doesn't need to check LEN64_BUMP(f).) */
+#define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum)
+
+/* The sum is only present on regular files. */
+#define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \
+ + SUM_EXTRA_CNT - 1))
+
+/* Some utility defines: */
+#define F_IS_ACTIVE(f) (f)->basename[0]
+#define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
+
+#define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
+#define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
+
+#define F_UID(f) ((uid_t)F_OWNER(f))
+#define F_GID(f) ((gid_t)F_GROUP(f))
+
+#define DEV_MAJOR(a) (a)[0]
+#define DEV_MINOR(a) (a)[1]
+
+#define DIR_PARENT(a) (a)[0]
+#define DIR_FIRST_CHILD(a) (a)[1]
+#define DIR_NEXT_SIBLING(a) (a)[2]
+
+/*
+ * 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 FLIST_TEMP (1<<1)
struct file_list {
- int count;
- int malloced;
+ struct file_list *next, *prev;
struct file_struct **files;
+ alloc_pool_t file_pool;
+ int count, malloced;
+ int low, high; /* 0-relative index values excluding empties */
+ int ndx_start; /* the start offset for inc_recurse mode */
+ int parent_ndx; /* dir_flist index of parent directory */
+ int in_progress, to_redo;
};
+#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 */
+ int32 chain; /**< next hash-table collision */
+ 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 */
+ int32 count; /**< how many chunks */
+ int32 blength; /**< block_length */
+ int32 remainder; /**< flength % block_length */
+ int s2length; /**< sum2_length */
};
struct map_struct {
- char *p;
- int fd,p_size,p_len;
- OFF_T file_size, p_offset, p_fd_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 */
};
-struct exclude_struct {
- char *orig;
+#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_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 MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */
+
+#define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
+ | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
+ | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \
+ | MATCHFLG_PERISHABLE)
+
+struct filter_struct {
+ struct filter_struct *next;
char *pattern;
- int regular_exp;
- int fnmatch_flags;
- int include;
- int directory;
- int local;
+ 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;
- int flist_size;
+ int64 flist_buildtime;
+ int64 flist_xfertime;
+ int64 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 "version.h"
-#include "proto.h"
#include "lib/mdfour.h"
+#include "lib/wildmatch.h"
+#include "lib/permstring.h"
+#include "lib/addrinfo.h"
+
+#ifndef __GNUC__
+#define __attribute__(x)
+# if __GNUC__ <= 2
+# define NORETURN
+# endif
+#endif
+
+#define UNUSED(x) x __attribute__((__unused__))
+#ifndef NORETURN
+#define NORETURN __attribute__((__noreturn__))
+#endif
+
+#include "proto.h"
+
+/* We have replacement versions of these if they're missing. */
+#ifndef HAVE_ASPRINTF
+int asprintf(char **ptr, const char *format, ...);
+#endif
+
+#ifndef HAVE_VASPRINTF
+int vasprintf(char **ptr, const char *format, va_list ap);
+#endif
+
+#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
+#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
-
-#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 (*)())
+#ifdef HAVE_SIGACTION
+#define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
+#define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
+#else
+#define SIGACTION(n,h) signal(n,h)
+#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK EAGAIN
#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
#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
-#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK 0x7f000001
+#endif
-#ifndef ACCESSPERMS
-#define ACCESSPERMS 0777
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
#endif
+
+#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
holes, and mask other access because mode 707 is bizarre */
/* handler for null strings in printf format */
#define NS(s) ((s)?(s):"<NULL>")
+/* 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 *, ...)
-#ifdef __GNUC__
- __attribute__ ((format (printf, 2, 3)))
-#endif
+ __attribute__((format (printf, 2, 3)))
;
-#ifdef REPLACE_INET_NTOA
-#define inet_ntoa rep_inet_ntoa
-#endif
+/* 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)))
+ ;
+/* Make sure that the O_BINARY flag is defined. */
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
#ifndef HAVE_STRLCPY
size_t strlcpy(char *d, const char *s, size_t bufsize);
size_t strlcat(char *d, const char *s, size_t bufsize);
#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
+#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
+
+#ifndef HAVE_INET_PTON
+int inet_pton(int af, const char *src, void *dst);
+#endif
+
+#ifdef MAINTAINER_MODE
+const char *get_panic_action(void);
+#endif
+
+static inline int
+isDigit(const char *ptr)
+{
+ return isdigit(*(unsigned char *)ptr);
+}
+
+static inline int
+isPrint(const char *ptr)
+{
+ return isprint(*(unsigned char *)ptr);
+}
+
+static inline int
+isSpace(const char *ptr)
+{
+ return isspace(*(unsigned char *)ptr);
+}
+
+static inline int
+isLower(const char *ptr)
+{
+ return islower(*(unsigned char *)ptr);
+}
+
+static inline int
+isUpper(const char *ptr)
+{
+ return isupper(*(unsigned char *)ptr);
+}
+
+static inline int
+toLower(const char *ptr)
+{
+ return tolower(*(unsigned char *)ptr);
+}
+
+static inline int
+toUpper(const char *ptr)
+{
+ return toupper(*(unsigned char *)ptr);
+}