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vfs_ceph_snapshots: use OpenDir() in ceph_snap_enum_snapdir()

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Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Ralph Boehme 2020-03-19 12:03:27 +01:00 committed by Jeremy Allison
parent afa69567cf
commit ec9fcb3113
1 changed files with 21 additions and 17 deletions
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38
source3/modules/vfs_ceph_snapshots.c
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@ -176,10 +176,13 @@ static int ceph_snap_enum_snapdir(struct vfs_handle_struct *handle,
bool labels,
struct shadow_copy_data *sc_data)
{
TALLOC_CTX *frame = talloc_stackframe();
struct smb_Dir *dir_hnd = NULL;
const char *dname = NULL;
char *talloced = NULL;
long offset = 0;
NTSTATUS status;
int ret;
DIR *d = NULL;
struct dirent *e = NULL;
uint32_t slots;
status = smbd_check_access_rights(handle->conn,
@ -203,8 +206,9 @@ static int ceph_snap_enum_snapdir(struct vfs_handle_struct *handle,
* place we need it (dir=.snap), so we need to dynamically determine it
* via readdir.
*/
d = SMB_VFS_NEXT_OPENDIR(handle, snaps_dname, NULL, 0);
if (d == NULL) {
dir_hnd = OpenDir(frame, handle->conn, snaps_dname, NULL, 0);
if (dir_hnd == NULL) {
ret = -errno;
goto err_out;
}
@ -213,14 +217,16 @@ static int ceph_snap_enum_snapdir(struct vfs_handle_struct *handle,
sc_data->num_volumes = 0;
sc_data->labels = NULL;
for (e = SMB_VFS_NEXT_READDIR(handle, d, NULL);
e != NULL;
e = SMB_VFS_NEXT_READDIR(handle, d, NULL)) {
if (ISDOT(e->d_name) || ISDOTDOT(e->d_name)) {
while ((dname = ReadDirName(dir_hnd, &offset, NULL, &talloced))
!= NULL)
{
if (ISDOT(dname) || ISDOTDOT(dname)) {
TALLOC_FREE(talloced);
continue;
}
sc_data->num_volumes++;
if (!labels) {
TALLOC_FREE(talloced);
continue;
}
if (sc_data->num_volumes > slots) {
@ -231,6 +237,7 @@ static int ceph_snap_enum_snapdir(struct vfs_handle_struct *handle,
SHADOW_COPY_LABEL,
new_slot_count);
if (sc_data->labels == NULL) {
TALLOC_FREE(talloced);
ret = -ENOMEM;
goto err_closedir;
}
@ -242,28 +249,25 @@ static int ceph_snap_enum_snapdir(struct vfs_handle_struct *handle,
slots = new_slot_count;
}
DBG_DEBUG("filling shadow copy label for %s/%s\n",
snaps_dname->base_name, e->d_name);
snaps_dname->base_name, dname);
ret = ceph_snap_fill_label(handle, snaps_dname,
snaps_dname->base_name, e->d_name,
snaps_dname->base_name, dname,
sc_data->labels[sc_data->num_volumes - 1]);
if (ret < 0) {
TALLOC_FREE(talloced);
goto err_closedir;
}
}
ret = SMB_VFS_NEXT_CLOSEDIR(handle, d);
if (ret != 0) {
ret = -errno;
goto err_out;
TALLOC_FREE(talloced);
}
DBG_DEBUG("%s shadow copy enumeration found %d labels \n",
snaps_dname->base_name, sc_data->num_volumes);
TALLOC_FREE(frame);
return 0;
err_closedir:
SMB_VFS_NEXT_CLOSEDIR(handle, d);
TALLOC_FREE(frame);
err_out:
TALLOC_FREE(sc_data->labels);
return ret;