X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9439c0cb5a4b020b9bfcfe0351e33c17b9c53b54..13710874ce907cd9405f83814cbebbe73f884e2e:/xattrs.c

diff --git a/xattrs.c b/xattrs.c
index f662cf7a..50748b49 100644
--- a/xattrs.c
+++ b/xattrs.c
@@ -6,8 +6,9 @@
  * Copyright (C) 2006, 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.
+ * 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
@@ -15,11 +16,11 @@
  * 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.
+ * with this program; if not, visit the http://fsf.org website.
  */
 
 #include "rsync.h"
+#include "ifuncs.h"
 #include "lib/sysxattrs.h"
 
 #ifdef SUPPORT_XATTRS
@@ -30,6 +31,7 @@ extern int am_sender;
 extern int am_generator;
 extern int read_only;
 extern int list_only;
+extern int preserve_xattrs;
 extern int checksum_seed;
 
 #define RSYNC_XAL_INITIAL 5
@@ -62,7 +64,6 @@ extern int checksum_seed;
 #define RPRE_LEN ((int)sizeof RSYNC_PREFIX - 1)
 
 #define XSTAT_ATTR RSYNC_PREFIX "%stat"
-#define XSTAT_LEN ((int)sizeof XSTAT_ATTR - 1)
 
 typedef struct {
 	char *datum, *name;
@@ -89,7 +90,7 @@ static void rsync_xal_free(item_list *xalp)
 	xalp->count = 0;
 }
 
-void free_xattr(statx *sxp)
+void free_xattr(stat_x *sxp)
 {
 	if (!sxp->xattr)
 		return;
@@ -223,8 +224,9 @@ static int rsync_xal_get(const char *fname, item_list *xalp)
 			continue;
 #endif
 
-		if (am_root < 0 && name_len == XSTAT_LEN + 1
-		 && name[RPRE_LEN] == '%' && strcmp(name, XSTAT_ATTR) == 0)
+		/* No rsync.%FOO attributes are copied w/o 2 -X options. */
+		if (preserve_xattrs < 2 && name_len > RPRE_LEN
+		 && name[RPRE_LEN] == '%' && HAS_PREFIX(name, RSYNC_PREFIX))
 			continue;
 
 		datum_len = name_len; /* Pass extra size to get_xattr_data() */
@@ -266,7 +268,7 @@ static int rsync_xal_get(const char *fname, item_list *xalp)
 }
 
 /* Read the xattr(s) for this filename. */
-int get_xattr(const char *fname, statx *sxp)
+int get_xattr(const char *fname, stat_x *sxp)
 {
 	sxp->xattr = new(item_list);
 	*sxp->xattr = empty_xattr;
@@ -328,7 +330,7 @@ static void rsync_xal_store(item_list *xalp)
 }
 
 /* Send the make_xattr()-generated xattr list for this flist entry. */
-int send_xattr(statx *sxp, int f)
+int send_xattr(stat_x *sxp, int f)
 {
 	int ndx = find_matching_xattr(sxp->xattr);
 
@@ -374,7 +376,7 @@ int send_xattr(statx *sxp, int f)
 /* Return a flag indicating if we need to change a file's xattrs.  If
  * "find_all" is specified, also mark any abbreviated xattrs that we
  * need so that send_xattr_request() can tell the sender about them. */
-int xattr_diff(struct file_struct *file, statx *sxp, int find_all)
+int xattr_diff(struct file_struct *file, stat_x *sxp, int find_all)
 {
 	item_list *lst = rsync_xal_l.items;
 	rsync_xa *snd_rxa, *rec_rxa;
@@ -636,8 +638,9 @@ void receive_xattr(struct file_struct *file, int f)
 			continue;
 		}
 #endif
-		if (am_root < 0 && name_len == XSTAT_LEN + 1
-		 && name[RPRE_LEN] == '%' && strcmp(name, XSTAT_ATTR) == 0) {
+		/* No rsync.%FOO attributes are copied w/o 2 -X options. */
+		if (preserve_xattrs < 2 && name_len > RPRE_LEN
+		 && name[RPRE_LEN] == '%' && HAS_PREFIX(name, RSYNC_PREFIX)) {
 			free(ptr);
 			continue;
 		}
@@ -654,9 +657,9 @@ void receive_xattr(struct file_struct *file, int f)
 	F_XATTR(file) = ndx;
 }
 
-/* Turn the xattr data in statx into cached xattr data, setting the index
+/* Turn the xattr data in stat_x into cached xattr data, setting the index
  * values in the file struct. */
-void cache_xattr(struct file_struct *file, statx *sxp)
+void cache_xattr(struct file_struct *file, stat_x *sxp)
 {
 	int ndx;
 
@@ -671,7 +674,7 @@ void cache_xattr(struct file_struct *file, statx *sxp)
 }
 
 static int rsync_xal_set(const char *fname, item_list *xalp,
-			 const char *fnamecmp, statx *sxp)
+			 const char *fnamecmp, stat_x *sxp)
 {
 	rsync_xa *rxas = xalp->items;
 	ssize_t list_len;
@@ -778,7 +781,7 @@ static int rsync_xal_set(const char *fname, item_list *xalp,
 
 /* Set extended attributes on indicated filename. */
 int set_xattr(const char *fname, const struct file_struct *file,
-	      const char *fnamecmp, statx *sxp)
+	      const char *fnamecmp, stat_x *sxp)
 {
 	int ndx;
 	item_list *lst = rsync_xal_l.items;
@@ -886,7 +889,7 @@ int set_stat_xattr(const char *fname, struct file_struct *file)
 		fst.st_rdev = 0; /* just in case */
 
 	if (mode == fmode && fst.st_rdev == rdev
-	 && fst.st_uid == F_UID(file) && fst.st_gid == F_GID(file)) {
+	 && fst.st_uid == F_OWNER(file) && fst.st_gid == F_GROUP(file)) {
 		/* xst.st_mode will be 0 if there's no current stat xattr */
 		if (xst.st_mode && sys_lremovexattr(fname, XSTAT_ATTR) < 0) {
 			rsyserr(FERROR, errno,
@@ -898,12 +901,12 @@ int set_stat_xattr(const char *fname, struct file_struct *file)
 	}
 
 	if (xst.st_mode != fmode || xst.st_rdev != rdev
-	 || xst.st_uid != F_UID(file) || xst.st_gid != F_GID(file)) {
+	 || xst.st_uid != F_OWNER(file) || xst.st_gid != F_GROUP(file)) {
 		char buf[256];
 		int len = snprintf(buf, sizeof buf, "%o %u,%u %u:%u",
 			to_wire_mode(fmode),
 			(int)major(rdev), (int)minor(rdev),
-			(int)F_UID(file), (int)F_GID(file));
+			F_OWNER(file), F_GROUP(file));
 		if (sys_lsetxattr(fname, XSTAT_ATTR, buf, len) < 0) {
 			if (errno == EPERM && S_ISLNK(fst.st_mode))
 				return 0;