vfs_ceph_rgw: Add lchown method

Signed-off-by: Vinit Agnihotri <vagnihot@redhat.com>
Reviewed-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>

diff --git a/source3/modules/vfs_ceph_rgw.c b/source3/modules/vfs_ceph_rgw.c
index f329b316fc5a6ffef9d3b912ef3fda8a755a7979..8451ecfc81ad66c716c3faff2f89a51579264c14 100644 (file)
--- a/source3/modules/vfs_ceph_rgw.c
+++ b/source3/modules/vfs_ceph_rgw.c
@@ -1844,6 +1844,67 @@ out:
        return status_code(rc);
 }
 
+static int vfs_ceph_rgw_lchown(struct vfs_handle_struct *handle,
+                              const struct smb_filename *smb_fname,
+                              uid_t uid,
+                              gid_t gid)
+{
+       int rc = -ENOMEM;
+       bool do_release = false;
+       uint32_t mask = RGW_SETATTR_UID | RGW_SETATTR_GID;
+       struct stat st = {0};
+       struct vfs_ceph_rgw_config *config = NULL;
+       struct rgw_file_handle *rgw_fh = NULL;
+
+       START_PROFILE_X(SNUM(handle->conn), syscall_lchown);
+
+       SMB_VFS_HANDLE_GET_DATA(handle,
+                               config,
+                               struct vfs_ceph_rgw_config,
+                               goto out);
+
+       if (smb_fname->stream_name) {
+               rc = -ENOENT;
+               goto out;
+       }
+
+       rc = rgw_lookup(config->rgw_root_fs,
+                       config->rgw_root_fh,
+                       smb_fname->base_name,
+                       &rgw_fh,
+                       &st,
+                       0,
+                       RGW_LOOKUP_TYPE_FLAGS);
+       if (rc < 0) {
+               DBG_ERR("[CEPH_RGW] Unable to get handle for [%s]. rc = %d\n",
+                       smb_fname->base_name,
+                       rc);
+               goto out;
+       }
+       do_release = true;
+
+       st.st_uid = uid;
+       st.st_gid = gid;
+       rc = rgw_setattr(
+               config->rgw_root_fs, rgw_fh, &st, mask, RGW_SETATTR_FLAG_NONE);
+       if (rc < 0) {
+               DBG_ERR("[CEPH_RGW] Unable to set attributes. rc = %d\n", rc);
+               /* fall through */
+       }
+
+out:
+       if (do_release) {
+               (void)rgw_fh_rele(config->rgw_root_fs,
+                                 rgw_fh,
+                                 RGW_FH_RELE_FLAG_NONE);
+       }
+       DBG_DEBUG("[CEPH_RGW] lchown: name=%s result=%d\n",
+                 smb_fname->base_name,
+                 rc);
+       END_PROFILE_X(syscall_lchown);
+       return status_code(rc);
+}
+
 static bool vfs_ceph_rgw_mount_bucket(struct vfs_ceph_rgw_config *config)
 {
        int rc = 0;
@@ -2102,7 +2163,7 @@ static struct vfs_fn_pointers ceph_rgw_fns = {
        .unlinkat_fn = vfs_ceph_rgw_unlinkat,
        .fchmod_fn = vfs_ceph_rgw_fchmod,
        .fchown_fn = vfs_ceph_rgw_fchown,
-       .lchown_fn = vfs_not_implemented_lchown,
+       .lchown_fn = vfs_ceph_rgw_lchown,
        .chdir_fn = vfs_ceph_rgw_chdir,
        .fntimes_fn = vfs_ceph_rgw_fntimes,
        .ftruncate_fn = vfs_ceph_rgw_ftruncate,