IPv4 or IPv6 addresses to the kernel via the "clientaddr=" option.
If the mount.nfs4 command can't determine an appropriate callback address,
it used to fail the mount request. This new function simply sends an ANY
address instead, so the mount request succeeds, but delegation is disabled.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
* Returns 1 if 'clientaddr=' option created successfully or if
* 'clientaddr=' option is already present; otherwise zero.
*/
* Returns 1 if 'clientaddr=' option created successfully or if
* 'clientaddr=' option is already present; otherwise zero.
*/
-static int append_clientaddr_option(struct sockaddr_in *saddr,
- struct mount_options *options)
+static int nfs_append_clientaddr_option(const struct sockaddr *sap,
+ socklen_t salen,
+ struct mount_options *options)
- struct sockaddr_in my_addr;
- char new_option[32];
+ struct sockaddr_storage dummy;
+ struct sockaddr *my_addr = (struct sockaddr *)&dummy;
+ socklen_t my_len = sizeof(dummy);
- if (po_contains(options, "clientaddr") == PO_SUCCEEDED)
+ if (po_contains(options, "clientaddr") == PO_FOUND)
- if (!get_client_address(saddr, &my_addr))
- return 0;
-
- snprintf(new_option, sizeof(new_option) - 1,
- "clientaddr=%s", inet_ntoa(my_addr.sin_addr));
+ nfs_callback_address(sap, salen, my_addr, &my_len);
- if (po_append(options, new_option) == PO_SUCCEEDED)
- return 1;
- return 0;
+ return nfs_append_generic_address_option(my_addr, my_len,
+ "clientaddr", options);
return 0;
if (strncmp(mi->type, "nfs4", 4) == 0) {
return 0;
if (strncmp(mi->type, "nfs4", 4) == 0) {
- if (!append_clientaddr_option(&saddr, mi->options))
+ if (!nfs_append_clientaddr_option((struct sockaddr *)&saddr,
+ sizeof(saddr), mi->options))
return 0;
} else {
if (!fix_mounthost_option(mi->options))
return 0;
} else {
if (!fix_mounthost_option(mi->options))