static int
fg_chmod (const char *path, mode_t mode)
{
TRACE_CALL ("%s, 0%o", path, mode);
int r;
if (read_only) return -EROFS;
dir_cache_invalidate (path);
r = guestfs_chmod (g, mode, path);
if (r == -1)
return error ();
return 0;
}
static int
mount_local_chmod (const char *path, mode_t mode)
{
int r;
DECL_G ();
DEBUG_CALL ("%s, 0%o", path, mode);
if (g->ml_read_only) return -EROFS;
dir_cache_invalidate (g, path);
r = guestfs_chmod (g, mode, path);
if (r == -1)
RETURN_ERRNO;
return 0;
}
static int
copy_attributes (const char *src, const char *dest)
{
CLEANUP_FREE_STAT struct guestfs_stat *stat = NULL;
const char *linuxxattrs[] = { "linuxxattrs", NULL };
int has_linuxxattrs;
CLEANUP_FREE char *selinux_context = NULL;
size_t selinux_context_size;
has_linuxxattrs = guestfs_feature_available (g, (char **) linuxxattrs);
/* Get the mode. */
stat = guestfs_stat (g, src);
if (stat == NULL)
return -1;
/* Get the SELinux context. XXX Should we copy over other extended
* attributes too?
*/
if (has_linuxxattrs) {
guestfs_push_error_handler (g, NULL, NULL);
selinux_context = guestfs_getxattr (g, src, "security.selinux",
&selinux_context_size);
/* selinux_context could be NULL. This isn't an error. */
guestfs_pop_error_handler (g);
}
/* Set the permissions (inc. sticky and set*id bits), UID, GID. */
if (guestfs_chmod (g, stat->mode & 07777, dest) == -1)
return -1;
if (guestfs_chown (g, stat->uid, stat->gid, dest) == -1)
return -1;
/* Set the SELinux context. */
if (has_linuxxattrs && selinux_context) {
if (guestfs_setxattr (g, "security.selinux", selinux_context,
(int) selinux_context_size, dest) == -1)
return -1;
}
return 0;
}