/*
- 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.
-*/
-
+ * Copyright (C) 1996, 2000 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003-2008 Wayne Davison
+ *
+ * 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 3 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, visit the http://fsf.org website.
+ */
#define False 0
#define True 1
#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
#define URL_PREFIX "rsync://"
+#define SYMLINK_PREFIX "/rsyncd-munged/" /* This MUST have a trailing slash! */
+#define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1)
+
#define BACKUP_SUFFIX "~"
/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
/* These flags are only used during the flist transfer. */
-#define XMIT_DEL_START (1<<0)
+#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_RDEV_pre28 (1<<2) /* protocols 20 - 27 */
+#define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - now */
#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)
+#define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - now (devices only) */
+#define XMIT_NO_CONTENT_DIR (1<<8) /* protocols 30 - now (dirs only) */
+#define XMIT_HLINKED (1<<9) /* protocols 28 - now */
+#define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */
+#define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */
+#define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */
+#define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
+#define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - now (HLINKED files only) */
/* 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 */
+#define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
+#define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */
+#define FLAG_DIR_CREATED (1<<1) /* generator */
+#define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */
+#define FLAG_MOUNT_DIR (1<<3) /* sender/generator (dirs only) */
+#define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */
+#define FLAG_DUPLICATE (1<<4) /* sender */
+#define FLAG_MISSING_DIR (1<<4) /* generator */
+#define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */
+#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */
+#define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */
+#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
+#define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */
+#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
+#define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */
+#define FLAG_TIME_FAILED (1<<11)/* 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 29
+#define PROTOCOL_VERSION 30
+
+/* This is used when working on a new protocol version in CVS, and should
+ * be a new non-zero value for each CVS change that affects the protocol.
+ * It must ALWAYS be 0 when the protocol goes final! */
+#define SUBPROTOCOL_VERSION 0
/* 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
#define OLD_PROTOCOL_VERSION 25
#define MAX_PROTOCOL_VERSION 40
+#define FILECNT_LOOKAHEAD 1000
+
#define RSYNC_PORT 873
#define SPARSE_WRITE_SIZE (1024)
#define CHUNK_SIZE (32*1024)
#define MAX_MAP_SIZE (256*1024)
#define IO_BUFFER_SIZE (4092)
-#define MAX_BLOCK_SIZE ((int32)1 << 29)
+#define MAX_BLOCK_SIZE ((int32)1 << 17)
+
+/* For compatibility with older rsyncs */
+#define OLD_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 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 XFLG_OLD_PREFIXES (1<<1)
+#define XFLG_ANCHORED2ABS (1<<2) /* leading slash indicates absolute */
+#define XFLG_ABS_IF_SLASH (1<<3) /* leading or interior slash is absolute */
+#define XFLG_DIR2WILD3 (1<<4) /* dir/ match gets trailing *** added */
-#define PERMS_REPORT (1<<0)
-#define PERMS_SKIP_MTIME (1<<1)
+#define ATTRS_REPORT (1<<0)
+#define ATTRS_SKIP_MTIME (1<<1)
#define FULL_FLUSH 1
#define NORMAL_FLUSH 0
#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 };
+#define FNAMECMP_FUZZY 0x83
+
+/* For use by the itemize_changes code */
+#define ITEM_REPORT_ATIME (1<<0)
+#define ITEM_REPORT_CHANGE (1<<1)
+#define ITEM_REPORT_SIZE (1<<2) /* regular files only */
+#define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */
+#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))
+
+#define CFN_KEEP_DOT_DIRS (1<<0)
+#define CFN_KEEP_TRAILING_SLASH (1<<1)
+#define CFN_DROP_TRAILING_DOT_DIR (1<<2)
+#define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3)
+
+#define SP_DEFAULT 0
+#define SP_KEEP_DOT_DIRS (1<<0)
+
+#define CD_NORMAL 0
+#define CD_SKIP_CHDIR 1
+
+/* Log-message categories. FLOG only goes to the log file, not the client;
+ * FCLIENT is the opposite. */
+enum logcode {
+ FNONE=0, /* never sent */
+ FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */
+ FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */
+ FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */
+ FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */
+};
/* 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 */
+ MSG_DATA=0, /* raw data on the multiplexed stream */
+ MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */
+ MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */
+ MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */
+ MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* 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"
/* The default RSYNC_RSH is always set in config.h. */
#include <stdio.h>
-#if HAVE_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
-#if HAVE_SYS_STAT_H
+#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
-#if STDC_HEADERS
+#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
-# if HAVE_STDLIB_H
+# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#endif
-#if HAVE_STRINGS_H
+#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
-#if HAVE_UNISTD_H
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#if HAVE_SYS_PARAM_H
+#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
-#if HAVE_MALLOC_H && (HAVE_MALLINFO || !HAVE_STDLIB_H)
+#if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
#include <malloc.h>
#endif
-#if HAVE_SYS_SOCKET_H
+#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
-#if TIME_WITH_SYS_TIME
+#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
-#if HAVE_SYS_TIME_H
+#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
-#if HAVE_FCNTL_H
+#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#else
-#if HAVE_SYS_FCNTL_H
+#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#endif
-#if HAVE_SYS_IOCTL_H
+#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
-#if HAVE_SYS_FILIO_H
+#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#include <signal.h>
-#if HAVE_SYS_WAIT_H
+#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
-#if HAVE_CTYPE_H
+#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
-#if HAVE_GRP_H
+#ifdef HAVE_GRP_H
#include <grp.h>
#endif
#include <errno.h>
-#if HAVE_UTIME_H
+#ifdef HAVE_UTIME_H
#include <utime.h>
#endif
-#if HAVE_SYS_SELECT_H
+#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
-#if HAVE_SYS_MODE_H
+#ifdef HAVE_SYS_MODE_H
/* apparently AIX needs this for S_ISLNK */
#ifndef S_ISLNK
#include <sys/mode.h>
#endif
#endif
-#if HAVE_GLOB_H
-#include <glob.h>
-#endif
-
/* these are needed for the uid/gid mapping code */
#include <pwd.h>
#include <grp.h>
#include <stdarg.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#ifdef HAVE_NETDB_H
#include <netdb.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
-#if MAJOR_IN_MKDEV
+#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
-# if !defined(makedev) && defined(mkdev)
+# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
# define makedev mkdev
# endif
-#elif MAJOR_IN_SYSMACROS
+#elif defined MAJOR_IN_SYSMACROS
#include <sys/sysmacros.h>
#endif
-#if HAVE_COMPAT_H
+#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
+
+#if defined HAVE_ICONV_OPEN && defined HAVE_ICONV_H
+#include <iconv.h>
+#ifndef ICONV_CONST
+#define ICONV_CONST
+#endif
+#else
+#ifdef ICONV_CONST
+#undef ICONV_CONST
+#endif
+#ifdef ICONV_OPTION
+#undef ICONV_OPTION
+#endif
+#ifdef iconv_t
+#undef iconv_t
+#endif
+#define iconv_t int
+#endif
+
#include <assert.h>
#include "lib/pool_alloc.h"
+#ifndef HAVE_ID_T
+typedef unsigned int id_t;
+#endif
+#ifndef HAVE_PID_T
+typedef int pid_t;
+#endif
+#ifndef HAVE_MODE_T
+typedef unsigned int mode_t;
+#endif
+#ifndef HAVE_OFF_T
+typedef long off_t;
+#endif
+#ifndef HAVE_SIZE_T
+typedef unsigned int size_t;
+#endif
+
#define BOOL int
#ifndef uchar
#define uchar unsigned char
#endif
-#if SIGNED_CHAR_OK
+#ifdef SIGNED_CHAR_OK
#define schar signed char
#else
#define schar char
#endif
+#ifndef int16
+#if SIZEOF_INT16_T == 2
+# define int16 int16_t
+#else
+# define int16 short
+#endif
+#endif
+
+#ifndef uint16
+#if SIZEOF_UINT16_T == 2
+# define uint16 uint16_t
+#else
+# define uint16 unsigned int16
+#endif
+#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
+#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
#endif
#ifndef uint32
-#define uint32 unsigned int32
+#if SIZEOF_UINT32_T == 4
+# define uint32 uint32_t
+#else
+# define uint32 unsigned int32
+#endif
#endif
-#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !HAVE_STRUCT_STAT64
+#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
#define OFF_T off_t
#define STRUCT_STAT struct stat
+#define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T
#else
#define OFF_T off64_t
#define STRUCT_STAT struct stat64
#define USE_STAT64_FUNCS 1
+#define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T
#endif
/* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
* 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
+#if SIZEOF_INT64_T == 8
+# define int64 int64_t
# define SIZEOF_INT64 8
#elif SIZEOF_LONG == 8
# define int64 long
#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
# 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 hashtable {
+ void *nodes;
+ int32 size, entries;
+ uint32 node_size;
+ short key64;
+};
+
+struct ht_int32_node {
+ void *data;
+ int32 key;
+};
-struct idev {
- int64 inode;
- int64 dev;
+struct ht_int64_node {
+ void *data;
+ int64 key;
};
+#define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size))
+#define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \
+ : (int64)((struct ht_int32_node*)(node))->key)
+
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
#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
#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)
+#if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
+#define ACLS_NEED_MASK 1
+#endif
-#define HL_CHECK_MASTER 0
-#define HL_SKIP 1
+union file_extras {
+ int32 num;
+ uint32 unum;
+};
-struct hlink {
- struct file_struct *next;
- int hlindex;
+struct file_struct {
+ 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 */
};
-#define F_DEV link_u.idev->dev
-#define F_INODE link_u.idev->inode
+extern int file_extra_cnt;
+extern int inc_recurse;
+extern int uid_ndx;
+extern int gid_ndx;
+extern int acls_ndx;
+extern int xattrs_ndx;
+
+#define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
+#define EXTRA_LEN (sizeof (union file_extras))
+#define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
+#define DEV_EXTRA_CNT 2
+#define DIRNODE_EXTRA_CNT 3
+#define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + 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)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0)
+#define ACL_BUMP(f) (acls_ndx ? 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)
-#define F_HLINDEX link_u.links->hlindex
-#define F_NEXT link_u.links->next
+/* The sending side always has this available: */
+#define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT))
-struct file_struct {
- 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;
- 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;
- mode_t mode;
- uchar flags; /* this item MUST remain last */
-};
+/* 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, uid_ndx)->unum
+#define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum
+#define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num
+#define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num
+#define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num
+
+/* These items are per-entry optional: */
+#define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */
+#define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f)+inc_recurse)->num /* non-dirs */
+#define F_DIR_NODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) \
+ + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */
+#define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + DIRNODE_EXTRA_CNT \
+ + PTR_EXTRA_CNT - 1)->num) /* sender dirs */
+#define F_DIR_DEFACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum /* receiver dirs */
+#define F_DIR_DEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + ACL_BUMP(f) \
+ + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */
+
+/* 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) + DEV_EXTRA_CNT - 1)->unum)
+
+/* The sum is only present on regular files. */
+#define F_SUM(f) ((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)
+
+/* These access the F_DIR_DEV_P() and F_RDEV_P() values: */
+#define DEV_MAJOR(a) (a)[0]
+#define DEV_MINOR(a) (a)[1]
+
+/* These access the F_DIRS_NODE_P() values: */
+#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
#define FLIST_LINEAR (FLIST_START * 512)
/*
- * Extent size for allocation pools A minimum size of 128KB
+ * 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
+ * (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 NORMAL_EXTENT (256 * 1024)
+#define SMALL_EXTENT (128 * 1024)
-#define WITH_HLINK 1
-#define WITHOUT_HLINK 0
+#define FLIST_TEMP (1<<1)
struct file_list {
- struct file_struct **files;
+ struct file_list *next, *prev;
+ struct file_struct **files, **sorted;
alloc_pool_t file_pool;
- alloc_pool_t hlink_pool;
- int count;
- int malloced;
- int low, high;
+ void *pool_boundary;
+ int used, malloced;
+ int low, high; /* 0-relative index values excluding empties */
+ int ndx_start; /* the start offset for inc_recurse mode */
+ int flist_num; /* 1-relative file_list number or 0 */
+ int parent_ndx; /* dir_flist index of parent directory */
+ int in_progress, to_redo;
};
#define SUMFLG_SAME_OFFSET (1<<0)
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 */
struct sum_buf *sums; /**< points to info for each chunk */
- size_t count; /**< how many chunks */
+ int32 count; /**< how many chunks */
int32 blength; /**< block_length */
int32 remainder; /**< flength % block_length */
int s2length; /**< sum2_length */
#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_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_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;
- unsigned int match_flags;
+ uint32 match_flags;
union {
int slash_cnt;
struct filter_list_struct *mergelist;
int64 matched_data;
int64 flist_buildtime;
int64 flist_xfertime;
- int flist_size;
+ int64 flist_size;
int num_files;
int num_transferred_files;
- int current_file_index;
};
+struct chmod_mode_struct;
+
+#define EMPTY_ITEM_LIST {NULL, 0, 0}
+
+typedef struct {
+ void *items;
+ size_t count;
+ size_t malloced;
+} item_list;
+
+#define EXPAND_ITEM_LIST(lp, type, incr) \
+ (type*)expand_item_list(lp, sizeof (type), #type, incr)
+
+#define EMPTY_XBUF {NULL, 0, 0, 0}
+
+typedef struct {
+ char *buf;
+ size_t pos; /* pos = read pos in the buf */
+ size_t len; /* len = chars following pos */
+ size_t size; /* size = total space in buf */
+} xbuf;
+
+#define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0
+#define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0
+/* This one is used to make an output xbuf based on a char[] buffer: */
+#define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0
+
+#define ICB_EXPAND_OUT (1<<0)
+#define ICB_INCLUDE_BAD (1<<1)
+#define ICB_INCLUDE_INCOMPLETE (1<<2)
+
+#define RL_EOL_NULLS (1<<0)
+#define RL_DUMP_COMMENTS (1<<1)
+#define RL_CONVERT (1<<2)
+
+typedef struct {
+ char name_type;
+ char fname[1]; /* has variable size */
+} relnamecache;
#include "byteorder.h"
-#include "lib/mdfour.h"
+#include "lib/mdigest.h"
#include "lib/wildmatch.h"
#include "lib/permstring.h"
#include "lib/addrinfo.h"
+#ifndef __GNUC__
+#define __attribute__(x)
+#else
+# if __GNUC__ <= 2
+# define NORETURN
+# endif
+#endif
+
+#define UNUSED(x) x __attribute__((__unused__))
+#ifndef NORETURN
+#define NORETURN __attribute__((__noreturn__))
+#endif
+
+typedef struct {
+ STRUCT_STAT st;
+#ifdef SUPPORT_ACLS
+ struct rsync_acl *acc_acl; /* access ACL */
+ struct rsync_acl *def_acl; /* default ACL */
+#endif
+#ifdef SUPPORT_XATTRS
+ item_list *xattr;
+#endif
+} stat_x;
+
+#define ACL_READY(sx) ((sx).acc_acl != NULL)
+#define XATTR_READY(sx) ((sx).xattr != NULL)
+
#include "proto.h"
+#ifndef SUPPORT_XATTRS
+#define x_stat(fn,fst,xst) do_stat(fn,fst)
+#define x_lstat(fn,fst,xst) do_lstat(fn,fst)
+#define x_fstat(fd,fst,xst) do_fstat(fd,fst)
+#endif
+
/* We have replacement versions of these if they're missing. */
-#if !HAVE_ASPRINTF
+#ifndef HAVE_ASPRINTF
int asprintf(char **ptr, const char *format, ...);
#endif
-#if !HAVE_VASPRINTF
+#ifndef HAVE_VASPRINTF
int vasprintf(char **ptr, const char *format, va_list ap);
#endif
-#if !HAVE_VSNPRINTF || !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 !HAVE_SNPRINTF || !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,...);
+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
-#if !HAVE_STRCHR
+#ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
#endif
-#if !HAVE_ERRNO_DECL
+#ifndef HAVE_ERRNO_DECL
extern int errno;
#endif
-#define SUPPORT_LINKS HAVE_READLINK
-#define SUPPORT_HARD_LINKS HAVE_LINK
+#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
/* 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
# define NONBLOCK_FLAG FNDELAY
#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)
-/* 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)))
+#define new(type) ((type*)malloc(sizeof (type)))
+#define new0(type) ((type*)calloc(1, sizeof (type)))
+#define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0))
+#define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1))
+#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, 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
+#ifndef HAVE_STRLCPY
size_t strlcpy(char *d, const char *s, size_t bufsize);
#endif
-#if !HAVE_STRLCAT
+#ifndef HAVE_STRLCAT
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__)
-#if HAVE_GETEUID
+#ifdef HAVE_GETEUID
#define MY_UID() geteuid()
#else
#define MY_UID() getuid()
#endif
-#if HAVE_GETEGID
+#ifdef HAVE_GETEGID
#define MY_GID() getegid()
#else
#define MY_GID() getgid()
#endif
-extern int verbose;
-
-#if !HAVE_INET_NTOP
+#ifdef FORCE_FD_ZERO_MEMSET
+#undef FD_ZERO
+#define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set))
+#endif
+
+extern short info_levels[], debug_levels[];
+
+#define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl))
+#define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl))
+#define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl))
+#define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl))
+
+#define INFO_BACKUP 0
+#define INFO_COPY (INFO_BACKUP+1)
+#define INFO_DEL (INFO_COPY+1)
+#define INFO_FLIST (INFO_DEL+1)
+#define INFO_MISC (INFO_FLIST+1)
+#define INFO_MOUNT (INFO_MISC+1)
+#define INFO_NAME (INFO_MOUNT+1)
+#define INFO_PROGRESS (INFO_NAME+1)
+#define INFO_REMOVE (INFO_PROGRESS+1)
+#define INFO_SKIP (INFO_REMOVE+1)
+#define INFO_STATS (INFO_SKIP+1)
+#define INFO_SYMSAFE (INFO_STATS+1)
+
+#define COUNT_INFO (INFO_SYMSAFE+1)
+
+#define DEBUG_ACL 0
+#define DEBUG_BACKUP (DEBUG_ACL+1)
+#define DEBUG_BIND (DEBUG_BACKUP+1)
+#define DEBUG_CHDIR (DEBUG_BIND+1)
+#define DEBUG_CONNECT (DEBUG_CHDIR+1)
+#define DEBUG_CMD (DEBUG_CONNECT+1)
+#define DEBUG_DEL (DEBUG_CMD+1)
+#define DEBUG_DELTASUM (DEBUG_DEL+1)
+#define DEBUG_DUP (DEBUG_DELTASUM+1)
+#define DEBUG_EXIT (DEBUG_DUP+1)
+#define DEBUG_FILTER (DEBUG_EXIT+1)
+#define DEBUG_FLIST (DEBUG_FILTER+1)
+#define DEBUG_FUZZY (DEBUG_FLIST+1)
+#define DEBUG_GENR (DEBUG_FUZZY+1)
+#define DEBUG_HLINK (DEBUG_GENR+1)
+#define DEBUG_ICONV (DEBUG_HLINK+1)
+#define DEBUG_OWN (DEBUG_ICONV+1)
+#define DEBUG_PROTO (DEBUG_OWN+1)
+#define DEBUG_RECV (DEBUG_PROTO+1)
+#define DEBUG_SEND (DEBUG_RECV+1)
+#define DEBUG_TIME (DEBUG_SEND+1)
+
+#define COUNT_DEBUG (DEBUG_TIME+1)
+
+#ifndef HAVE_INET_NTOP
const char *inet_ntop(int af, const void *src, char *dst, size_t size);
-#endif /* !HAVE_INET_NTOP */
+#endif
-#if !HAVE_INET_PTON
+#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
-
-#define UNUSED(x) x __attribute__((__unused__))
-
-extern const char *io_write_phase, *io_read_phase;