umount command: remove do_nfs_umount23 function

[nfs-utils.git] / utils / mount / network.c

diff --git a/utils/mount/network.c b/utils/mount/network.c
index a97495392274edc0aa4a1021b70138c3dbb83f13..92f75b4a5e03d74c2ba2d00bb5de849f8734c9ac 100644 (file)
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -837,6 +837,59 @@ int start_statd(void)
        return 0;
 }
 
+/**
+ * nfs_advise_umount - ask the server to remove a share from it's rmtab
+ * @sap: pointer to IP address of server to call
+ * @salen: length of server address
+ * @pmap: partially filled-in mountd RPC service tuple
+ * @argp: directory path of share to "unmount"
+ *
+ * Returns one if the unmount call succeeded; zero if the unmount
+ * failed for any reason;  rpccreateerr.cf_stat is set to reflect
+ * the nature of the error.
+ *
+ * We use a fast timeout since this call is advisory only.
+ */
+int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
+                     const struct pmap *pmap, const dirpath *argp)
+{
+       struct sockaddr_storage address;
+       struct sockaddr *saddr = (struct sockaddr *)&address;
+       struct pmap mnt_pmap = *pmap;
+       struct timeval timeout = {
+               .tv_sec         = MOUNT_TIMEOUT >> 3,
+       };
+       CLIENT *client;
+       enum clnt_stat res = 0;
+
+       if (nfs_probe_mntport(sap, salen, &mnt_pmap) == 0)
+               return 0;
+
+       memcpy(saddr, sap, salen);
+       nfs_set_port(saddr, mnt_pmap.pm_port);
+
+       client = nfs_get_rpcclient(saddr, salen, mnt_pmap.pm_prot,
+                                       mnt_pmap.pm_prog, mnt_pmap.pm_vers,
+                                       &timeout);
+       if (client == NULL)
+               return 0;
+
+       client->cl_auth = authunix_create_default();
+
+       res = CLNT_CALL(client, MOUNTPROC_UMNT,
+                       (xdrproc_t)xdr_dirpath, (caddr_t)argp,
+                       (xdrproc_t)xdr_void, NULL,
+                       timeout);
+
+       auth_destroy(client->cl_auth);
+       CLNT_DESTROY(client);
+
+       if (res != RPC_SUCCESS)
+               return 0;
+
+       return 1;
+}
+
 /**
  * nfs_call_umount - ask the server to remove a share from it's rmtab
  * @mnt_server: address of RPC MNT program server