nfs-utils: switch gssd to use standard function for getting an RPC client

We already have a common function for setting up an RPC client. That
function uses the tirpc API when tirpc is enabled and is also already
IPv6 enabled. Switch gssd to use it.

Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>

diff --git a/utils/gssd/gssd_proc.c b/utils/gssd/gssd_proc.c
index 4efc088fc02d44061a9c4a83184f05508b7e3989..1d55d8d1a58267080c4b160d4b2a763348b3f7c1 100644 (file)
--- a/utils/gssd/gssd_proc.c
+++ b/utils/gssd/gssd_proc.c
@@ -626,9 +626,8 @@ int create_auth_rpc_client(struct clnt_info *clp,
        int                     retval = -1;
        OM_uint32               min_stat;
        char                    rpc_errmsg[1024];
-       int                     sockp = RPC_ANYSOCK;
-       int                     sendsz = 32768, recvsz = 32768;
        int                     protocol;
+       struct timeval          timeout = {5, 0};
        struct sockaddr         *addr = (struct sockaddr *) &clp->addr;
        socklen_t               salen;
 
@@ -708,33 +707,17 @@ int create_auth_rpc_client(struct clnt_info *clp,
        if (!populate_port(addr, salen, clp->prog, clp->vers, protocol))
                goto out_fail;
 
-       if (protocol == IPPROTO_TCP) {
-               if ((rpc_clnt = clnttcp_create(
-                                       (struct sockaddr_in *) addr,
-                                       clp->prog, clp->vers, &sockp,
-                                       sendsz, recvsz)) == NULL) {
-                       snprintf(rpc_errmsg, sizeof(rpc_errmsg),
-                                "WARNING: can't create tcp rpc_clnt "
-                                "for server %s for user with uid %d",
-                                clp->servername, uid);
-                       printerr(0, "%s\n",
-                                clnt_spcreateerror(rpc_errmsg));
-                       goto out_fail;
-               }
-       } else if (protocol == IPPROTO_UDP) {
-               const struct timeval timeout = {5, 0};
-               if ((rpc_clnt = clntudp_bufcreate(
-                                       (struct sockaddr_in *) addr,
-                                       clp->prog, clp->vers, timeout,
-                                       &sockp, sendsz, recvsz)) == NULL) {
-                       snprintf(rpc_errmsg, sizeof(rpc_errmsg),
-                                "WARNING: can't create udp rpc_clnt "
-                                "for server %s for user with uid %d",
-                                clp->servername, uid);
-                       printerr(0, "%s\n",
-                                clnt_spcreateerror(rpc_errmsg));
-                       goto out_fail;
-               }
+       rpc_clnt = nfs_get_rpcclient(addr, salen, protocol, clp->prog,
+                                    clp->vers, &timeout);
+       if (!rpc_clnt) {
+               snprintf(rpc_errmsg, sizeof(rpc_errmsg),
+                        "WARNING: can't create %s rpc_clnt to server %s for "
+                        "user with uid %d",
+                        protocol == IPPROTO_TCP ? "tcp" : "udp",
+                        clp->servername, uid);
+               printerr(0, "%s\n",
+                        clnt_spcreateerror(rpc_errmsg));
+               goto out_fail;
        }
 
        printerr(2, "creating context with server %s\n", clp->servicename);