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authorVikas Gorur <vikas@gluster.com>2009-06-11 04:36:14 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-06-11 06:38:14 -0700
commit8f4e5ace5d95535266a0ad1d6cec5f59325148c4 (patch)
tree32cc47a50d8509a207e0b34d1da4cb6b1d971eb0 /xlators/cluster
parent1c4d58fe57162a5247356dc95aa6204f26cbf4fe (diff)
Filter out changelog xattrs in replicate.
The AFR changelog xattrs, "trusted.afr.*" are now filtered and prevented from being visible on the mountpoint. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
Diffstat (limited to 'xlators/cluster')
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.c65
1 files changed, 64 insertions, 1 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index d2811acf0..4819d06cd 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -137,7 +137,7 @@ afr_access (call_frame_t *frame, xlator_t *this,
ALLOC_OR_GOTO (local, afr_local_t, out);
read_child = afr_read_child (this, loc->inode);
-
+
if (read_child >= 0) {
call_child = read_child;
@@ -545,6 +545,58 @@ out:
/* {{{ getxattr */
+struct _xattr_key {
+ char *key;
+ struct list_head list;
+};
+
+
+void
+__gather_xattr_keys (dict_t *dict, char *key, data_t *value,
+ void *data)
+{
+ struct list_head * list = data;
+ struct _xattr_key * xkey = NULL;
+
+ if (!strncmp (key, AFR_XATTR_PREFIX,
+ strlen (AFR_XATTR_PREFIX))) {
+
+ xkey = CALLOC (1, sizeof (*xkey));
+ if (!xkey)
+ return;
+
+ xkey->key = key;
+ INIT_LIST_HEAD (&xkey->list);
+
+ list_add_tail (&xkey->list, list);
+ }
+}
+
+
+void
+__filter_xattrs (dict_t *dict)
+{
+ struct list_head keys;
+
+ struct _xattr_key *key;
+ struct _xattr_key *tmp;
+
+ INIT_LIST_HEAD (&keys);
+
+ dict_foreach (dict, __gather_xattr_keys,
+ (void *) &keys);
+
+ list_for_each_entry_safe (key, tmp, &keys, list) {
+ dict_del (dict, key->key);
+
+ list_del_init (&key->list);
+
+ FREE (key);
+ }
+}
+
+
+
int32_t
afr_getxattr_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
@@ -590,6 +642,8 @@ afr_getxattr_cbk (call_frame_t *frame, void *cookie,
out:
if (unwind) {
+ __filter_xattrs (dict);
+
AFR_STACK_UNWIND (frame, op_ret, op_errno, dict);
}
@@ -623,6 +677,15 @@ afr_getxattr (call_frame_t *frame, xlator_t *this,
ALLOC_OR_GOTO (local, afr_local_t, out);
frame->local = local;
+ if (name) {
+ if (!strncmp (name, AFR_XATTR_PREFIX,
+ strlen (AFR_XATTR_PREFIX))) {
+
+ op_errno = ENODATA;
+ goto out;
+ }
+ }
+
read_child = afr_read_child (this, loc->inode);
if (read_child >= 0) {