- updated for 2.6.7

[packages/rsync.git] / rsync-xattr.patch

Common subdirectories: rsync-2.6.4pre2-prexattr/autom4te.cache and rsync-2.6.4pre2/autom4te.cache
diff -u -N rsync-2.6.4pre2-prexattr/backup.c rsync-2.6.4pre2/backup.c
--- rsync-2.6.4pre2-prexattr/backup.c	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/backup.c	2005-03-02 20:20:46.000000000 -0500
@@ -136,6 +136,7 @@
 				do_lchown(fullpath, st.st_uid, st.st_gid);
 				do_chmod(fullpath, st.st_mode);
 				(void)DUP_ACL(end, fullpath, st.st_mode);
+				(void)DUP_XATTR(end, fullpath );
 			}
 		}
 		*p = '/';
@@ -189,6 +190,7 @@
 		return 0;
 
 	PUSH_KEEP_BACKUP_ACL(file, fname, buf);
+	PUSH_KEEP_BACKUP_XATTR( file, fname, buf );
 
 	/* Check to see if this is a device file, or link */
 	if (IS_DEVICE(file->mode)) {
@@ -264,6 +266,7 @@
 	}
 	set_perms(buf, file, NULL, 0);
 	CLEANUP_KEEP_BACKUP_ACL();
+	CLEANUP_KEEP_BACKUP_XATTR();
 	free(file);
 
 	if (verbose > 1) {
diff -u -N rsync-2.6.4pre2-prexattr/configure.in rsync-2.6.4pre2/configure.in
--- rsync-2.6.4pre2-prexattr/configure.in	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/configure.in	2005-03-02 20:20:46.000000000 -0500
@@ -789,6 +789,30 @@
   AC_MSG_RESULT(no)
 )
 
+AC_CHECK_HEADERS(attr/xattr.h)
++AC_MSG_CHECKING(whether to support extended attributes)
+AC_ARG_WITH(xattr-support,
+[  --with-xattr-support        Include extended attribute support (default=no)],
+[ case "$withval" in
+  yes)
+      case "$host_os" in
+      *linux*)
+            AC_MSG_RESULT(Using Linux xattrs)
+            AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs])
+            ;;
+      *)
+            AC_MSG_RESULT(Xattrs requested but not linux.  Good luck)
+            ;;
+      esac
+      ;;
+  *)
+      AC_MSG_RESULT(no)
+      AC_DEFINE(HAVE_NA_XATTRS, 1, [True if you don't have extended attributes])
+  esac ],
+  AC_MSG_RESULT(no)
+  AC_DEFINE(HAVE_NO_XATTRL, 1, [True if you don't have extended attributes])
+)
+
 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
 AC_OUTPUT
 
diff -u -N rsync-2.6.4pre2-prexattr/options.c rsync-2.6.4pre2/options.c
--- rsync-2.6.4pre2-prexattr/options.c	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/options.c	2005-03-02 20:31:22.000000000 -0500
@@ -45,6 +45,7 @@
 int preserve_links = 0;
 int preserve_hard_links = 0;
 int preserve_acls = 0;
+int preserve_xattrs = 0;
 int preserve_perms = 0;
 int preserve_devices = 0;
 int preserve_uid = 0;
@@ -180,6 +181,7 @@
 	char const *have_inplace = "no ";
 	char const *hardlinks = "no ";
 	char const *acls = "no ";
+	char const *xattrs = "no ";
 	char const *links = "no ";
 	char const *ipv6 = "no ";
 	STRUCT_STAT *dumstat;
@@ -199,7 +201,9 @@
 #ifdef SUPPORT_ACLS
 	acls = "";
 #endif
-
+#if SUPPORT_XATTRS
+	xattrs = "";
+#endif
 #ifdef SUPPORT_LINKS
 	links = "";
 #endif
@@ -214,9 +218,9 @@
 		"Copyright (C) 1996-2005 by Andrew Tridgell and others\n");
 	rprintf(f, "<http://rsync.samba.org/>\n");
 	rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
-		"%shard links, %sACLs, %ssymlinks, batchfiles, \n",
+		"%shard links, %sACLs, %sxattrs, %ssymlinks, batchfiles, \n",
 		(int) (sizeof (OFF_T) * 8),
-		got_socketpair, hardlinks, acls, links);
+		got_socketpair, hardlinks, acls, xattrs, links);
 
 	/* Note that this field may not have type ino_t.  It depends
 	 * on the complicated interaction between largefile feature
@@ -287,6 +291,7 @@
   rprintf(F," -K, --keep-dirlinks         treat symlinked dir on receiver as dir\n");
   rprintf(F," -p, --perms                 preserve permissions\n");
   rprintf(F," -A, --acls                  preserve ACLs (implies --perms)\n");
+  rprintf(F," -X, --xattrs                preserve extended attributes (implies --perms)\n");
   rprintf(F," -o, --owner                 preserve owner (root only)\n");
   rprintf(F," -g, --group                 preserve group\n");
   rprintf(F," -D, --devices               preserve devices (root only)\n");
@@ -410,6 +415,7 @@
   {"copy-unsafe-links",0,  POPT_ARG_NONE,   &copy_unsafe_links, 0, 0, 0 },
   {"perms",           'p', POPT_ARG_NONE,   &preserve_perms, 0, 0, 0 },
   {"acls",            'A', POPT_ARG_NONE,   0,              'A', 0, 0 },
+  {"xattrs",          'X', POPT_ARG_NONE,   0,              'X', 0, 0 },
   {"owner",           'o', POPT_ARG_NONE,   &preserve_uid, 0, 0, 0 },
   {"group",           'g', POPT_ARG_NONE,   &preserve_gid, 0, 0, 0 },
   {"devices",         'D', POPT_ARG_NONE,   &preserve_devices, 0, 0, 0 },
@@ -879,6 +885,17 @@
 #endif /* SUPPORT_ACLS */
 			break;
 
+		case 'X':
+#if SUPPORT_XATTRS
+			preserve_xattrs = 1;
+			preserve_perms = 1;
+#else
+			snprintf(err_buf,sizeof(err_buf),
+				 "extended attributes are not supported on this %s\n",
+				 am_server ? "server" : "client");
+			return 0;
+#endif /* SUPPORT_XATTRS */
+			break;
 
 		default:
 			/* A large opt value means that set_refuse_options()
@@ -1289,6 +1306,8 @@
 		argstr[x++] = 'H';
 	if (preserve_acls)
 		argstr[x++] = 'A';
+	if ( preserve_xattrs )
+		argstr[x++] = 'X';
 	if (preserve_uid)
 		argstr[x++] = 'o';
 	if (preserve_gid)
Common subdirectories: rsync-2.6.4pre2-prexattr/packaging and rsync-2.6.4pre2/packaging
Common subdirectories: rsync-2.6.4pre2-prexattr/patches and rsync-2.6.4pre2/patches
Common subdirectories: rsync-2.6.4pre2-prexattr/popt and rsync-2.6.4pre2/popt
diff -u -N rsync-2.6.4pre2-prexattr/rsync.c rsync-2.6.4pre2/rsync.c
--- rsync-2.6.4pre2-prexattr/rsync.c	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/rsync.c	2005-03-02 20:31:22.000000000 -0500
@@ -145,6 +145,14 @@
 		if (SET_ACL(fname, file) == 0)
 			updated = 1;
 	}
+	/* If this is a directory, SET_XATTR() will be called on the cleanup
+	 * receive_generator() pass--if we called it here, we might clobber
+	 * writability on the directory (SELinux security contexts are stored
+	 * in xattrs). everything else is OK to do now. */
+	if (!S_ISDIR(st->st_mode)) {
+		if (SET_XATTR(fname, file) == 0)
+		updated = 1;
+	}
 
 	if (verbose > 1 && flags & PERMS_REPORT) {
 		enum logcode code = daemon_log_format_has_i || dry_run
diff -u -N rsync-2.6.4pre2-prexattr/rsync.h rsync-2.6.4pre2/rsync.h
--- rsync-2.6.4pre2-prexattr/rsync.h	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/rsync.h	2005-03-02 20:32:39.000000000 -0500
@@ -662,6 +662,36 @@
 #endif /* SUPPORT_ACLS */
 #include "smb_acls.h"
 
+#define SUPPORT_XATTRS HAVE_LINUX_XATTRS
+
+#if SUPPORT_XATTRS
+#ifdef HAVE_ATTR_XATTR_H
+#include <attr/xattr.h>
+#endif
+#define MAKE_XATTR(file, fname)                        make_xattr(file, fname)
+#define SEND_XATTR(file, f)                    send_xattr(file, f)
+#define RECEIVE_XATTR(file, f)                 receive_xattr(file, f)
+#define SORT_FILE_XATTR_INDEX_LISTS()          sort_file_xattr_index_lists()
+#define SET_XATTR(fname, file)                 set_xattr(fname, file)
+#define NEXT_XATTR_UID()                               next_xattr_uid()
+#define XATTR_UID_MAP(uid)                     xattr_uid_map(uid)
+#define PUSH_KEEP_BACKUP_XATTR(file, orig, dest) \
+  push_keep_backup_xattr(file, orig, dest)
+#define CLEANUP_KEEP_BACKUP_XATTR()            cleanup_keep_backup_xattr()
+#define DUP_XATTR(orig, dest)          dup_xattr(orig, dest)
+#else /* SUPPORT_XATTRS */
+#define MAKE_XATTR(file, fname)                        1 /* checked return value */
+#define SEND_XATTR(file, f)
+#define RECEIVE_XATTR(file, f)
+#define SORT_FILE_XATTR_INDEX_LISTS()
+#define SET_XATTR(fname, file)                 0 /* checked return value */
+#define NEXT_XATTR_UID()
+#define XATTR_UID_MAP(uid)
+#define PUSH_KEEP_BACKUP_XATTR(file, orig, dest)
+#define CLEANUP_KEEP_BACKUP_XATTR()
+#define DUP_XATTR(src, orig)           0 /* checked return value */
+#endif /* SUPPORT_XATTRS */
+
 #include "proto.h"
 
 /* We have replacement versions of these if they're missing. */
diff -u -N rsync-2.6.4pre2-prexattr/rsync.yo rsync-2.6.4pre2/rsync.yo
--- rsync-2.6.4pre2-prexattr/rsync.yo	2005-03-02 20:15:48.000000000 -0500
+++ rsync-2.6.4pre2/rsync.yo	2005-03-02 20:33:53.000000000 -0500
@@ -318,6 +318,7 @@
  -K, --keep-dirlinks         treat symlinked dir on receiver as dir
  -p, --perms                 preserve permissions
  -A, --acls                  preserve ACLs (implies -p) [local option]
+ -X, --xattrs                preserve extended attributes (implies -p) [local option]
  -o, --owner                 preserve owner (root only)
  -g, --group                 preserve group
  -D, --devices               preserve devices (root only)
@@ -630,6 +631,11 @@
 remote machine's rsync supports this option also. This is a non-standard
 option.
 
+dit(bf(-X, --xattrs)) This option causes rsync to update the remote
+extended attributes to be the same as the local ones.  This will work
+only if the remote machine's rsync supports this option also. This is
+a non-standard option.
+
 dit(bf(-o, --owner)) This option causes rsync to set the owner of the
 destination file to be the same as the source file.  On most systems,
 only the super-user can set file ownership.  By default, the preservation
Common subdirectories: rsync-2.6.4pre2-prexattr/support and rsync-2.6.4pre2/support
diff -u -N rsync-2.6.4pre2-prexattr/lib/sysxattr.c rsync-2.6.4pre2/sysxattr.c
--- rsync-2.6.4pre2-prexattr/lib/sysxattr.c	1969-12-31 19:00:00.000000000 -0500
+++ rsync-2.6.4pre2/lib/sysxattr.c	2005-03-02 20:34:10.000000000 -0500
@@ -0,0 +1,41 @@
+/* Extended attribute support for rsync. */
+/* This file Copyright (C) 2004 Red Hat, Inc. */
+/* Written by Jay Fenlason */
+
+/* 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.
+*/
+
+#include "rsync.h"
+
+#if defined(HAVE_LINUX_XATTRS)
+
+ssize_t sys_lgetxattr ( const char *path, const char *name, void *value, size_t size )
+{
+	return lgetxattr ( path, name, value, size );
+}
+
+int sys_lsetxattr ( const char *path, const char *name, const void *value, size_t size, int flags )
+{
+	return lsetxattr ( path, name, value, size, flags );
+}
+
+ssize_t sys_llistxattr ( const char *path, char *list, size_t size )
+{
+	return llistxattr ( path, list, size );
+}
+
+#else
+
+#endif /* No xattrs */
Common subdirectories: rsync-2.6.4pre2-prexattr/testhelp and rsync-2.6.4pre2/testhelp
Common subdirectories: rsync-2.6.4pre2-prexattr/testsuite and rsync-2.6.4pre2/testsuite
diff -u -N rsync-2.6.4pre2-prexattr/xattr.c rsync-2.6.4pre2/xattr.c
--- rsync-2.6.4pre2-prexattr/xattr.c	1969-12-31 19:00:00.000000000 -0500
+++ rsync-2.6.4pre2/xattr.c	2005-03-02 20:34:47.000000000 -0500
@@ -0,0 +1,556 @@
+/* Extended Attribute support for rsync */
+/* Copyright (C) 2004 Red Hat, Inc */
+/* Written by Jay Fenlason, vaguely based on the ACLs patch */
+
+/* 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.
+*/
+
+#include "rsync.h"
+
+#if SUPPORT_XATTRS
+
+extern int preserve_xattrs;
+extern int dry_run;
+
+#define RSYNC_XAL_INITIAL 5
+#define RSYNC_XAL_LIST_INITIAL 100
+
+
+typedef struct {
+	size_t name_len;
+	char *name;
+	size_t datum_len;
+	char *datum;
+} rsync_xa;
+
+typedef struct {
+	size_t count;
+	size_t alloc;
+	rsync_xa *rxas;
+} rsync_xal;
+
+typedef struct {
+    size_t count;
+    size_t alloc;
+    rsync_xal *rxals;
+} rsync_xal_list;
+
+static size_t namebuf_len = 0;
+static char *namebuf = NULL;
+
+static size_t datumbuf_len = 0;
+static char *datumbuf = NULL;
+
+static rsync_xal curr_rsync_xal = { 0, 0, NULL };
+static rsync_xal_list rsync_xal_l = { 0, 0, NULL };
+
+
+/* ------------------------------------------------------------------------- */
+\f
+/* the below stuff is only used by the receiver */
+
+/* structure to hold index to rsync_xal_l member corresponding to
+ * flist->files[i] */
+
+typedef struct {
+	const struct file_struct *file;
+	int xalidx;
+} file_xal_index;
+
+typedef struct {
+	size_t count;
+	size_t alloc;
+	file_xal_index *filexalidxs;
+} file_xal_index_list;
+
+static file_xal_index_list fxil = {0, 0, NULL };
+
+/* stuff for redirecting calls to set_acl() from set_perms()
+ * for keep_backup() */
+static const struct file_struct *backup_orig_file = NULL;
+static const char null_string[] = "";
+static const char *backup_orig_fname = null_string;
+static const char *backup_dest_fname = null_string;
+static rsync_xal backup_xal;
+
+/* ------------------------------------------------------------------------- */
+
+static void rsync_xal_free ( rsync_xal *x ) {
+	size_t i;
+
+	for ( i = 0; i < x->count; i++ ) {
+		free ( x->rxas[i].name );
+		/* free ( x->rxas[i].value ); */
+	}
+	x->count = 0;
+}
+
+static int rsync_xal_compare_names ( const void *x1, const void *x2 ) {
+	const rsync_xa *xa1;
+	const rsync_xa *xa2;
+
+	xa1 = x1;
+	xa2 = x2;
+	return strcmp ( xa1->name, xa2->name );
+}
+
+static BOOL rsync_xal_get ( const char *fname, rsync_xal *x ) {
+	ssize_t name_size;
+	ssize_t datum_size;
+	ssize_t left;
+	char *name;
+	size_t len;
+	char *ptr;
+
+	if ( ! namebuf ) {
+		namebuf_len = 100;
+		namebuf = malloc ( 100 );
+		datumbuf_len = 100;
+		datumbuf = malloc ( 100 );
+		if ( ! namebuf || ! datumbuf ) {
+			rprintf(FERROR, "%s: rsync_xal_get: allocate intial buffers failed: %s\n",
+ fname, strerror(errno));
+			return False;
+		}
+	}
+
+	name_size = sys_llistxattr ( fname, namebuf, namebuf_len );
+	if ( name_size > namebuf_len ) {
+	    name_size = -1;
+	    errno = ERANGE;
+	}
+	if ( name_size < 0 ) {
+	    if ( errno == ENOTSUP )
+		return False;
+	    if ( errno == ERANGE ) {
+		name_size = sys_llistxattr ( fname, NULL, 0 );
+		if ( name_size < 0 ) {
+			rprintf ( FERROR, "%s: rsync_xal_get: llistxattr: %s\n",
+ fname, strerror(errno) );
+			return False;
+		}
+		namebuf = realloc ( namebuf, name_size + 1 );
+		if ( ! namebuf ) {
+		    rprintf ( FERROR, "%s: rsync_xal_get: reallocate namebuf to %lu failed: %s\n",
+ fname, (unsigned long)name_size, strerror(errno) );
+		    return False;
+		}
+		namebuf_len = name_size;
+		name_size = sys_llistxattr ( fname, namebuf, namebuf_len );
+		if ( name_size < 0 ) {
+		    rprintf ( FERROR, "%s: rsync_xal_get: re-llistxattr failed: %s\n",
+ fname, strerror(errno) );
+		    return False;
+		}
+	    } else {
+		rprintf(FERROR, "%s: rsync_xal_get: llistxattr failed: %s\n",
+ fname, strerror(errno));
+		return False;
+	    }
+	}
+	rsync_xal_free ( x );
+	if ( name_size == 0 )
+	    return True;
+	for ( left = name_size, name = namebuf; left > 0 ; left -= len, name += len ) {
+		len = strlen ( name ) + 1;
+
+		if ( x->count >= x->alloc ) {
+			size_t new_alloc;
+			size_t new_size;
+			rsync_xa *new_rxas;
+
+			new_alloc = ( x->alloc < RSYNC_XAL_INITIAL ) ? RSYNC_XAL_INITIAL : x->alloc * 2;
+			new_size = new_alloc * sizeof(rsync_xa);
+			new_rxas = x->alloc ? realloc ( x->rxas, new_size ) : malloc ( new_size );
+			if ( new_rxas == NULL ) {
+				rprintf(FERROR, "%s: rsync_xal_get: allocate %lufailed: %s\n",
+ fname, (unsigned long)new_size, strerror(errno));
+				return False;
+			}
+			x->alloc = new_alloc;
+			x->rxas = new_rxas;
+		}
+		datum_size = sys_lgetxattr ( fname, name, datumbuf, datumbuf_len );
+		if ( datum_size > datumbuf_len ) {
+		    datum_size = -1;
+		    errno = ERANGE;
+		}
+		if ( datum_size < 0 ) {
+			if ( errno == ENOTSUP )
+				return False;
+			if ( errno == ERANGE ) {
+				datum_size = sys_lgetxattr ( fname, name, NULL, 0 );
+				if ( datum_size < 0 ) {
+					rprintf ( FERROR, "%s: rsync_xal_get: lgetxattr %s failed: %s\n",
+ fname, name, strerror(errno) );
+					return False;
+				}
+				datumbuf = realloc ( datumbuf, datum_size + 1 );
+				if ( ! datumbuf ) {
+					rprintf(FERROR, "%s: rsync_xal_get: allocate %lu for datumbuf failed: %s\n",
+ fname, (unsigned long)(datum_size + 1), strerror(errno));
+					return False;
+				}
+				datumbuf_len = datum_size;
+				datum_size = sys_lgetxattr ( fname, name, datumbuf, datumbuf_len );
+				if ( datum_size < 0 ) {
+					rprintf ( FERROR, "%s: rsync_xal_get: re-lgetxattr of %s failed: %s\n",
+ name, fname, strerror(errno) );
+					return False;
+				}
+			} else {
+				rprintf(FERROR, "%s: rsync_xal_get: lgetxattr %s failed: %s\n",
+ fname, name, strerror(errno));
+				return False;
+			}
+		}
+		ptr = malloc ( len + datum_size );
+		strcpy ( ptr, name );
+		if ( datum_size )
+			memcpy ( ptr + len, datumbuf, datum_size );
+		x->rxas[curr_rsync_xal.count].name_len = len;
+		x->rxas[curr_rsync_xal.count].name = ptr;
+		x->rxas[curr_rsync_xal.count].datum_len = datum_size;
+		x->rxas[curr_rsync_xal.count].datum = ptr + len;
+		x->count++;
+	}
+	if ( x->count > 1 ) {
+		qsort ( x->rxas, x->count, sizeof(rsync_xa), rsync_xal_compare_names );
+	}
+	return True;
+}
+
+
+/* generate the xattr(s) for this flist entry;
+ * xattr(s) are either sent or cleaned-up by send_xattr() below */
+
+BOOL make_xattr(const struct file_struct *file, const char *fname)
+{
+	if (!preserve_xattrs)
+		return True;
+
+	rsync_xal_get ( fname, &curr_rsync_xal );
+	return True;
+}
+
+static ssize_t rsync_xal_find_matching ( void ) {
+    size_t i;
+    size_t j;
+
+    for ( i = 0; i < rsync_xal_l.count; i++ ) {
+	/* Wrong number of elements? */
+	if ( rsync_xal_l.rxals[i].count != curr_rsync_xal.count )
+	    continue;
+	/* any elements different? */
+	for ( j = 0; j < curr_rsync_xal.count; j++ ) {
+	    if (
+ rsync_xal_l.rxals[i].rxas[j].name_len != curr_rsync_xal.rxas[j].name_len
+ || rsync_xal_l.rxals[i].rxas[j].datum_len != curr_rsync_xal.rxas[j].datum_len
+ || strcmp ( rsync_xal_l.rxals[i].rxas[j].name, curr_rsync_xal.rxas[j].name )
+ || memcmp ( rsync_xal_l.rxals[i].rxas[j].datum, curr_rsync_xal.rxas[j].datum, curr_rsync_xal.rxas[j].datum_len ) )
+		break;
+	}
+	/* no differences found.  This is The One! */
+	if ( j == curr_rsync_xal.count )
+	    break;
+    }
+    if ( i < rsync_xal_l.count )
+	return i;
+    return (ssize_t)-1;
+}
+
+/* Store curr_rsync_xal on the end of rsync_xal_l */
+static void rsync_xal_store ( void ) {
+	if ( rsync_xal_l.count <= rsync_xal_l.alloc ) {
+		size_t new_alloc;
+		size_t new_size;
+		void *new_xal;
+
+		new_alloc = ( rsync_xal_l.count < RSYNC_XAL_LIST_INITIAL ) ? RSYNC_XAL_LIST_INITIAL : rsync_xal_l.count * 2;
+		new_size = new_alloc * sizeof(rsync_xal);
+		new_xal = rsync_xal_l.count ? realloc ( rsync_xal_l.rxals, new_size ) : malloc ( new_size );
+		if ( new_xal == NULL ) {
+			rprintf ( FERROR, "rsync_xal_store: allocate %lu for new_xal failed\n", (unsigned long)new_size );
+			exit_cleanup(RERR_STREAMIO );
+		}
+		rsync_xal_l.alloc = new_alloc;
+		rsync_xal_l.rxals = new_xal;
+	}
+	rsync_xal_l.rxals[rsync_xal_l.count] = curr_rsync_xal;
+	rsync_xal_l.count++;
+	curr_rsync_xal.count = 0;
+	curr_rsync_xal.alloc = 0;
+}
+
+/* send the make_xattr()-generated xattr list for this flist entry,
+ * or clean up after an flist entry that's not being sent (f == -1) */
+
+void send_xattr ( const struct file_struct *file, int f )
+{
+	ssize_t index;
+
+	if ( ! preserve_xattrs )
+		return;
+
+	if (f == -1) {
+		rsync_xal_free ( &curr_rsync_xal );
+		return;
+	}
+	index = rsync_xal_find_matching ( );
+	if ( index != -1) {
+		write_byte(f, 'x' );
+		write_int(f, index);
+		rsync_xal_free ( &curr_rsync_xal );
+	} else {
+		rsync_xa *rxa;
+		size_t count;
+
+		count = curr_rsync_xal.count;
+		write_byte(f, 'X' );
+		write_int(f, count);
+		for (rxa = curr_rsync_xal.rxas; count--; rxa++) {
+			write_int( f, rxa->name_len );
+			write_int ( f, rxa->datum_len );
+			write_buf ( f, rxa->name, rxa->name_len );
+			write_buf ( f, rxa->datum, rxa->datum_len );
+		}
+		rsync_xal_store();
+	}
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* receive and build the rsync_xattr_lists */
+
+void receive_xattr(struct file_struct *file, int f)
+{
+	char *fname;
+	int tag;
+
+	if ( ! preserve_xattrs )
+		return;
+	fname = f_name(file);
+	tag = read_byte(f);
+	if (tag != 'X' && tag != 'x') {
+	    rprintf(FERROR, "%s: receive_xattr: unknown extended attribute type tag: %c\n",
+ fname, tag);
+	    exit_cleanup(RERR_STREAMIO);
+	}
+
+	if ( fxil.alloc <= fxil.count) {
+		void *new_ptr;
+		size_t new_alloc;
+		size_t new_size;
+
+		if ( fxil.count <  RSYNC_XAL_LIST_INITIAL )
+			new_alloc = fxil.alloc + RSYNC_XAL_LIST_INITIAL;
+		else
+			new_alloc = fxil.alloc * 2;
+		new_size = new_alloc * sizeof(file_xal_index);
+		if ( fxil.alloc )
+			new_ptr = realloc ( fxil.filexalidxs, new_size );
+		else
+			new_ptr = malloc ( new_size );
+		if (!new_ptr)
+			out_of_memory("receive_xattr");
+		if (verbose >= 3) {
+			rprintf(FINFO, "receive_xattr to %lu bytes, %s move\n",
+				(unsigned long) new_size,
+				fxil.filexalidxs == new_ptr ? "did not" : "did");
+		}
+
+		fxil.filexalidxs = new_ptr;
+		fxil.alloc = new_alloc;
+	}
+
+	fxil.filexalidxs[fxil.count].file = file;
+	if (tag == 'X' ) {
+		size_t count;
+		size_t i;
+
+		fxil.filexalidxs[fxil.count].xalidx = rsync_xal_l.count;
+
+		count = read_int ( f );
+		curr_rsync_xal.count = count;
+		curr_rsync_xal.alloc = count;
+		curr_rsync_xal.rxas = malloc ( count * sizeof(rsync_xa) );
+		if ( curr_rsync_xal.rxas == NULL ) {
+			rprintf(FERROR, "%s: receive_xattr: allocate %lu xas failed\n",
+ fname, (unsigned long)count );
+			exit_cleanup(RERR_STREAMIO);
+		}
+		for ( i = 0; i < count; i++ ) {
+			size_t name_len;
+			size_t datum_len;
+			char *ptr;
+
+			name_len = read_int ( f );
+			datum_len = read_int ( f );
+			ptr = malloc ( name_len + datum_len );
+			read_buf ( f, ptr, name_len );
+			read_buf ( f, ptr + name_len, datum_len );
+			curr_rsync_xal.rxas[i].name_len = name_len;
+			curr_rsync_xal.rxas[i].datum_len = datum_len;
+			curr_rsync_xal.rxas[i].name = ptr;
+			curr_rsync_xal.rxas[i].datum = ptr + name_len;
+		}
+		rsync_xal_store();
+	} else {
+		size_t index;
+
+		index = read_int(f);
+		if ( index >= rsync_xal_l.count) {
+			rprintf(FERROR, "%s: receive_xattr: xa index %lu out of range\n",
+fname, (unsigned long)index );
+			exit_cleanup(RERR_STREAMIO);
+		}
+		fxil.filexalidxs[fxil.count].xalidx = index;
+	}
+	fxil.count++;
+}
+
+static BOOL rsync_xal_set ( const char *fname, rsync_xal *x ) {
+	size_t i;
+	int status;
+	BOOL ret;
+
+	ret = True;
+	for ( i = 0; i < x->count; i++ ) {
+		status = sys_lsetxattr ( fname, x->rxas[i].name, x->rxas[i].datum, x->rxas[i].datum_len, 0 );
+		if ( status < 0 ) {
+			rprintf(FERROR, "%s: rsync_xal_set: lsetxattr %s failed: %s\n",
+				fname, x->rxas[i].name, strerror(errno));
+			ret = False;
+		}
+	}
+	return ret;
+}
+
+/* for duplicating xattrs on backups when using backup_dir */
+
+int dup_xattr ( const char *orig, const char *bak )
+{
+	int ret;
+
+	ret = 0;
+	if (!preserve_xattrs)
+		return ret;
+
+	ret = rsync_xal_get ( orig, &backup_xal );
+	if ( ret == True )
+		ret = rsync_xal_set ( bak, &backup_xal );
+	rsync_xal_free ( &backup_xal );
+	return ret;
+}
+
+void push_keep_backup_xattr ( const struct file_struct *file, const char *orig, const char *dest )
+{
+	if ( ! preserve_xattrs )
+		return;
+		
+	backup_orig_file = file;
+	backup_orig_fname = orig;
+	backup_dest_fname = dest;
+	rsync_xal_get ( orig, &backup_xal );
+}
+
+static int set_keep_backup_xal ( void ) {
+	if ( ! preserve_xattrs )
+		return 0;
+	return rsync_xal_set ( backup_dest_fname, &backup_xal );
+}
+
+void cleanup_keep_backup_xattr ( void )
+{
+	if ( ! preserve_xattrs)
+		return;
+
+	backup_orig_file = NULL;
+	backup_orig_fname = null_string;
+	backup_dest_fname = null_string;
+	rsync_xal_free ( &backup_xal );
+}
+
+static int file_xal_index_compare ( const void *x1, const void *x2 ) {
+    const file_xal_index *xa1;
+    const file_xal_index *xa2;
+
+    xa1 = x1;
+    xa2 = x2;
+    return ( xa1->file == xa2->file) ? 0 :
+ ( ( xa1->file < xa2->file ) ? -1: 1 );
+}
+void sort_file_xattr_index_lists ( void )
+{
+	if ( ! preserve_xattrs )
+		return;
+	qsort ( fxil.filexalidxs, fxil.count, sizeof(file_xal_index),
+ file_xal_index_compare );
+}
+
+
+static int find_file_xal_index( const struct file_struct *file) {
+	int low = 0, high = fxil.count;
+	const struct file_struct *file_mid;
+
+	if ( ! high-- ) {
+		rprintf(FERROR, "find_file_xal_index: no entries\n");
+		exit_cleanup(RERR_STREAMIO);
+		return -1;
+	}
+	do {
+		int mid = (high + low) / 2;
+		file_mid = fxil.filexalidxs[mid].file;
+		if (file_mid == file)
+			return fxil.filexalidxs[mid].xalidx;
+		if (file_mid > file)
+			high = mid - 1;
+		else
+			low = mid + 1;
+	} while (low < high);
+	if (low == high) {
+		file_mid = fxil.filexalidxs[low].file;
+		if (file_mid == file)
+			return fxil.filexalidxs[low].xalidx;
+	}
+	rprintf(FERROR,
+		"find_file_xal_index: can't find entry for file in list\n");
+	exit_cleanup(RERR_STREAMIO);
+	return -1;
+}
+
+
+/* set extended attributes on rsync-ed or keep_backup-ed file */
+
+int set_xattr ( const char *fname, const struct file_struct *file )
+{
+	int updated;
+	int xalidx;
+	rsync_xal *x;
+
+	updated = 0;
+	if ( dry_run || ! preserve_xattrs )
+		return 0;
+	if (file == backup_orig_file) {
+		if (!strcmp(fname, backup_dest_fname))
+			return set_keep_backup_xal();
+	}
+	xalidx = find_file_xal_index( file );
+	x = &(rsync_xal_l.rxals[xalidx]);
+	updated = rsync_xal_set ( fname, x );
+	return updated;
+}
+
+#endif /* SUPPORT_XATTRS */
Common subdirectories: rsync-2.6.4pre2-prexattr/zlib and rsync-2.6.4pre2/zlib
--- rsync-2.6.4/generator.c.xattr	2005-03-31 09:49:39.000000000 -0500
+++ rsync-2.6.4/generator.c	2005-03-31 09:59:22.000000000 -0500
@@ -715,6 +715,10 @@
 		if (f_out == -1)
 			SET_ACL(fname, file);
 #endif
+#if SUPPORT_XATTRS
+		if ( f_out == -1 )
+			SET_XATTR( fname, file );
+#endif
 		if (delete_during && f_out != -1 && !phase && dry_run < 2
 		    && (file->flags & FLAG_DEL_HERE))
 			delete_in_dir(the_file_list, fname, file);
--- rsync-2.6.5/flist.c.xattr	2005-06-02 14:26:25.000000000 -0400
+++ rsync-2.6.5/flist.c	2005-06-02 14:33:02.000000000 -0400
@@ -976,6 +976,8 @@
 		return NULL;
 	if (!MAKE_ACL(file, fname))
 		return NULL;
+	if ( ! MAKE_XATTR(file, fname ) )
+		return;
 
 	maybe_emit_filelist_progress(flist->count + flist_count_offset);
 
@@ -985,9 +987,11 @@
 		flist->files[flist->count++] = file;
 		send_file_entry(file, f, base_flags);
 		SEND_ACL(file, f);
+		SEND_XATTR ( file, f );
 	} else {
 		/* Cleanup unsent ACL(s). */
 		SEND_ACL(file, -1);
+		SEND_XATTR( file, -1 );
 	}
 	return file;
 }
@@ -1325,6 +1329,7 @@
 		file = receive_file_entry(flist, flags, f);
 
 		RECEIVE_ACL(file, f);
+		RECEIVE_XATTR(file, f );
 
 		if (S_ISREG(file->mode))
 			stats.total_size += file->length;
@@ -1349,6 +1354,7 @@
 	clean_flist(flist, relative_paths, 1);
 
 	SORT_FILE_ACL_INDEX_LISTS();
+	SORT_FILE_XATTR_INDEX_LISTS();
 
 	if (f >= 0) {
 		/* Now send the uid/gid list. This was introduced in
--- rsync-2.6.6/Makefile.in.xattr	2005-07-28 16:16:07.000000000 -0400
+++ rsync-2.6.6/Makefile.in	2005-07-28 16:18:13.000000000 -0400
@@ -27,13 +27,13 @@
 
 HEADERS=byteorder.h config.h errcode.h proto.h rsync.h smb_acls.h lib/pool_alloc.h
 LIBOBJ=lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o \
-	lib/permstring.o lib/pool_alloc.o lib/sysacls.o @LIBOBJS@
+	lib/permstring.o lib/pool_alloc.o lib/sysacls.o lib/sysxattr.o @LIBOBJS@
 ZLIBOBJ=zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o \
 	zlib/trees.o zlib/zutil.o zlib/adler32.o zlib/compress.o zlib/crc32.o
 OBJS1=rsync.o generator.o receiver.o cleanup.o sender.o exclude.o util.o \
 	main.o checksum.o match.o syscall.o log.o backup.o
 OBJS2=options.o flist.o io.o compat.o hlink.o token.o uidlist.o socket.o \
-	fileio.o batch.o clientname.o acls.o
+	fileio.o batch.o clientname.o acls.o xattr.o
 OBJS3=progress.o pipe.o
 DAEMON_OBJ = params.o loadparm.o clientserver.o access.o connection.o authenticate.o
 popt_OBJS=popt/findme.o  popt/popt.o  popt/poptconfig.o \