libtirpc/libtirpc-0.2.3-rc4.patch

diff --git a/configure.ac b/configure.ac
index 97c6f2c..a99c5d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,6 +15,13 @@ if test x$gss = xtrue; then
 	PKG_CHECK_MODULES(GSSGLUE, libgssglue, [],
 	AC_MSG_ERROR([Unable to locate information required to use libgssglue.]))
 fi
+AC_ARG_ENABLE(ipv6,
+	[AC_HELP_STRING([--disable-ipv6], [Disable IPv6 support @<:@default=no@:>@])],
+	[],[enable_ipv6=yes])
+AM_CONDITIONAL(INET6, test "x$disable_ipv6" != xno)
+if test "x$enable_ipv6" != xno; then
+	AC_DEFINE(INET6, 1, [Define to 1 if IPv6 is available])
+fi
 
 AC_PROG_CC
 AM_CONFIG_HEADER(config.h)
@@ -23,6 +30,7 @@ AC_HEADER_DIRENT
 AC_PREFIX_DEFAULT(/usr)
 AC_CHECK_HEADERS([arpa/inet.h fcntl.h libintl.h limits.h locale.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h unistd.h])
 AC_CHECK_LIB([pthread], [pthread_create])
+AC_CHECK_LIB([nsl], [yp_get_default_domain])
 
 
 AC_CONFIG_FILES([Makefile src/Makefile man/Makefile doc/Makefile])
diff --git a/doc/Makefile.am b/doc/Makefile.am
index cc4fa76..58de35b 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,5 +1,5 @@
 
 install: install-am
-	$(mkinstalldirs) $(DESTDIR)/etc
-	cp -p ./etc_netconfig $(DESTDIR)/etc/netconfig
-	chmod 0644 $(DESTDIR)/etc/netconfig
+	$(mkinstalldirs) $(DESTDIR)/$(sysconfdir)
+	cp -p $(srcdir)/etc_netconfig $(DESTDIR)/$(sysconfdir)/netconfig
+	chmod 0644 $(DESTDIR)/$(sysconfdir)/netconfig
diff --git a/src/Makefile.am b/src/Makefile.am
index 7ee8cbc..66350f5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -40,7 +40,7 @@ lib_LTLIBRARIES = libtirpc.la
 # release number of your package. This is an abuse that only fosters
 # misunderstanding of the purpose of library versions."
 #
-libtirpc_la_LDFLAGS = -lnsl -lpthread -version-info 1:10:0
+libtirpc_la_LDFLAGS = -lpthread -version-info 1:10:0
 
 libtirpc_la_SOURCES = auth_none.c auth_unix.c authunix_prot.c bindresvport.c clnt_bcast.c \
         clnt_dg.c clnt_generic.c clnt_perror.c clnt_raw.c clnt_simple.c \
@@ -48,17 +48,16 @@ libtirpc_la_SOURCES = auth_none.c auth_unix.c authunix_prot.c bindresvport.c cln
         getrpcport.c mt_misc.c pmap_clnt.c pmap_getmaps.c pmap_getport.c \
         pmap_prot.c pmap_prot2.c pmap_rmt.c rpc_prot.c rpc_commondata.c \
         rpc_callmsg.c rpc_generic.c rpc_soc.c rpcb_clnt.c rpcb_prot.c \
-        rpcb_st_xdr.c svc.c svc_auth.c svc_dg.c svc_auth_unix.c svc_generic.c \
-        svc_raw.c svc_run.c svc_simple.c svc_vc.c getpeereid.c \
-        auth_time.c auth_des.c authdes_prot.c des_crypt.c
+        rpcb_st_xdr.c svc.c svc_auth.c svc_dg.c svc_auth_unix.c svc_auth_none.c \
+        svc_generic.c svc_raw.c svc_run.c svc_simple.c svc_vc.c getpeereid.c \
+        auth_time.c auth_des.c authdes_prot.c
 
 ## XDR
 libtirpc_la_SOURCES += xdr.c xdr_rec.c xdr_array.c xdr_float.c xdr_mem.c xdr_reference.c xdr_stdio.c
 
 ## Secure-RPC
 if GSS
-    libtirpc_la_SOURCES += auth_gss.c authgss_prot.c svc_auth_gss.c \
-		svc_auth_none.c
+    libtirpc_la_SOURCES += auth_gss.c authgss_prot.c svc_auth_gss.c
     libtirpc_la_LDFLAGS += $(GSSGLUE_LIBS)
     libtirpc_la_CFLAGS = -DHAVE_RPCSEC_GSS $(GSSGLUE_CFLAGS)
 endif
diff --git a/src/auth_des.c b/src/auth_des.c
index 37e7667..f0c8b8c 100644
--- a/src/auth_des.c
+++ b/src/auth_des.c
@@ -223,6 +223,7 @@ authdes_pk_seccreate(const char *servername, netobj *pkey, u_int window,
 		goto failed;
 	}
 	ad->ad_nis_srvr = NULL; /* not needed any longer */
+	auth_get(auth);		/* Reference for caller */
 	return (auth);
 
 failed:
@@ -472,6 +473,12 @@ authdes_destroy(AUTH *auth)
 	FREE(auth, sizeof(AUTH));
 }
 
+static bool_t
+authdes_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere)
+{
+	return ((*xfunc)(xdrs, xwhere));
+}
+
 static struct auth_ops *
 authdes_ops(void)
 {
@@ -487,6 +494,8 @@ authdes_ops(void)
 		ops.ah_validate = authdes_validate;
 		ops.ah_refresh = authdes_refresh;
 		ops.ah_destroy = authdes_destroy;
+		ops.ah_wrap = authdes_wrap;
+		ops.ah_unwrap = authdes_wrap;
         }
 	mutex_unlock(&authdes_ops_lock);
 	return (&ops);
diff --git a/src/auth_gss.c b/src/auth_gss.c
index df3017a..539101e 100644
--- a/src/auth_gss.c
+++ b/src/auth_gss.c
@@ -87,9 +87,9 @@ print_rpc_gss_sec(struct rpc_gss_sec *ptr)
 int i;
 char *p;
 
-	log_debug("rpc_gss_sec:");
+	gss_log_debug("rpc_gss_sec:");
 	if(ptr->mech == NULL)
-		log_debug("NULL gss_OID mech");
+		gss_log_debug("NULL gss_OID mech");
 	else {
 		fprintf(stderr, "     mechanism_OID: {");
 		p = (char *)ptr->mech->elements;
@@ -151,7 +151,7 @@ authgss_create(CLIENT *clnt, gss_name_t name, struct rpc_gss_sec *sec)
 	struct rpc_gss_data	*gd;
 	OM_uint32		min_stat = 0;
 
-	log_debug("in authgss_create()");
+	gss_log_debug("in authgss_create()");
 
 	memset(&rpc_createerr, 0, sizeof(rpc_createerr));
 
@@ -200,6 +200,8 @@ authgss_create(CLIENT *clnt, gss_name_t name, struct rpc_gss_sec *sec)
 
 	if (!authgss_refresh(auth))
 		auth = NULL;
+	else
+		auth_get(auth); /* Reference for caller */
 
 	clnt->cl_auth = save_auth;
 
@@ -214,7 +216,7 @@ authgss_create_default(CLIENT *clnt, char *service, struct rpc_gss_sec *sec)
 	gss_buffer_desc		 sname;
 	gss_name_t		 name = GSS_C_NO_NAME;
 
-	log_debug("in authgss_create_default()");
+	gss_log_debug("in authgss_create_default()");
 
 
 	sname.value = service;
@@ -225,7 +227,7 @@ authgss_create_default(CLIENT *clnt, char *service, struct rpc_gss_sec *sec)
 		&name);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_import_name", maj_stat, min_stat);
+		gss_log_status("gss_import_name", maj_stat, min_stat);
 		rpc_createerr.cf_stat = RPC_AUTHERROR;
 		return (NULL);
 	}
@@ -247,7 +249,7 @@ authgss_get_private_data(AUTH *auth, struct authgss_private_data *pd)
 {
 	struct rpc_gss_data	*gd;
 
-	log_debug("in authgss_get_private_data()");
+	gss_log_debug("in authgss_get_private_data()");
 
 	if (!auth || !pd)
 		return (FALSE);
@@ -267,7 +269,7 @@ authgss_get_private_data(AUTH *auth, struct authgss_private_data *pd)
 static void
 authgss_nextverf(AUTH *auth)
 {
-	log_debug("in authgss_nextverf()");
+	gss_log_debug("in authgss_nextverf()");
 	/* no action necessary */
 }
 
@@ -281,7 +283,7 @@ authgss_marshal(AUTH *auth, XDR *xdrs)
 	OM_uint32		 maj_stat, min_stat;
 	bool_t			 xdr_stat;
 
-	log_debug("in authgss_marshal()");
+	gss_log_debug("in authgss_marshal()");
 
 	gd = AUTH_PRIVATE(auth);
 
@@ -316,7 +318,7 @@ authgss_marshal(AUTH *auth, XDR *xdrs)
 			    &rpcbuf, &checksum);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_get_mic", maj_stat, min_stat);
+		gss_log_status("gss_get_mic", maj_stat, min_stat);
 		if (maj_stat == GSS_S_CONTEXT_EXPIRED) {
 			gd->established = FALSE;
 			authgss_destroy_context(auth);
@@ -341,7 +343,7 @@ authgss_validate(AUTH *auth, struct opaque_auth *verf)
 	gss_buffer_desc		 signbuf, checksum;
 	OM_uint32		 maj_stat, min_stat;
 
-	log_debug("in authgss_validate()");
+	gss_log_debug("in authgss_validate()");
 
 	gd = AUTH_PRIVATE(auth);
 
@@ -377,7 +379,7 @@ authgss_validate(AUTH *auth, struct opaque_auth *verf)
 	maj_stat = gss_verify_mic(&min_stat, gd->ctx, &signbuf,
 				  &checksum, &qop_state);
 	if (maj_stat != GSS_S_COMPLETE || qop_state != gd->sec.qop) {
-		log_status("gss_verify_mic", maj_stat, min_stat);
+		gss_log_status("gss_verify_mic", maj_stat, min_stat);
 		if (maj_stat == GSS_S_CONTEXT_EXPIRED) {
 			gd->established = FALSE;
 			authgss_destroy_context(auth);
@@ -395,7 +397,7 @@ authgss_refresh(AUTH *auth)
 	gss_buffer_desc		*recv_tokenp, send_token;
 	OM_uint32		 maj_stat, min_stat, call_stat, ret_flags;
 
-	log_debug("in authgss_refresh()");
+	gss_log_debug("in authgss_refresh()");
 
 	gd = AUTH_PRIVATE(auth);
 
@@ -414,9 +416,9 @@ authgss_refresh(AUTH *auth)
 #ifdef DEBUG
 		/* print the token we just received */
 		if (recv_tokenp != GSS_C_NO_BUFFER) {
-			log_debug("The token we just received (length %d):",
+			gss_log_debug("The token we just received (length %d):",
 				  recv_tokenp->length);
-			log_hexdump(recv_tokenp->value, recv_tokenp->length, 0);
+			gss_log_hexdump(recv_tokenp->value, recv_tokenp->length, 0);
 		}
 #endif
 		maj_stat = gss_init_sec_context(&min_stat,
@@ -439,7 +441,7 @@ authgss_refresh(AUTH *auth)
 		}
 		if (maj_stat != GSS_S_COMPLETE &&
 		    maj_stat != GSS_S_CONTINUE_NEEDED) {
-			log_status("gss_init_sec_context", maj_stat, min_stat);
+			gss_log_status("gss_init_sec_context", maj_stat, min_stat);
 			break;
 		}
 		if (send_token.length != 0) {
@@ -447,9 +449,9 @@ authgss_refresh(AUTH *auth)
 
 #ifdef DEBUG
 			/* print the token we are about to send */
-			log_debug("The token being sent (length %d):",
+			gss_log_debug("The token being sent (length %d):",
 				  send_token.length);
-			log_hexdump(send_token.value, send_token.length, 0);
+			gss_log_hexdump(send_token.value, send_token.length, 0);
 #endif
 
 			call_stat = clnt_call(gd->clnt, NULLPROC,
@@ -498,7 +500,7 @@ authgss_refresh(AUTH *auth)
 
 			if (maj_stat != GSS_S_COMPLETE
 					|| qop_state != gd->sec.qop) {
-				log_status("gss_verify_mic", maj_stat, min_stat);
+				gss_log_status("gss_verify_mic", maj_stat, min_stat);
 				if (maj_stat == GSS_S_CONTEXT_EXPIRED) {
 					gd->established = FALSE;
 					authgss_destroy_context(auth);
@@ -531,7 +533,7 @@ authgss_service(AUTH *auth, int svc)
 {
 	struct rpc_gss_data	*gd;
 
-	log_debug("in authgss_service()");
+	gss_log_debug("in authgss_service()");
 
 	if (!auth)
 		return(FALSE);
@@ -549,15 +551,26 @@ authgss_destroy_context(AUTH *auth)
 	struct rpc_gss_data	*gd;
 	OM_uint32		 min_stat;
 
-	log_debug("in authgss_destroy_context()");
+	gss_log_debug("in authgss_destroy_context()");
 
 	gd = AUTH_PRIVATE(auth);
 
 	if (gd->gc.gc_ctx.length != 0) {
 		if (gd->established) {
+			AUTH *save_auth = NULL;
+
+			/* Make sure we use the right auth_ops */
+			if (gd->clnt->cl_auth != auth) {
+				save_auth = gd->clnt->cl_auth;
+				gd->clnt->cl_auth = auth;
+			}
+
 			gd->gc.gc_proc = RPCSEC_GSS_DESTROY;
 			clnt_call(gd->clnt, NULLPROC, (xdrproc_t)xdr_void, NULL,
 				  (xdrproc_t)xdr_void, NULL, AUTH_TIMEOUT);
+			
+			if (save_auth != NULL)
+				gd->clnt->cl_auth = save_auth;
 		}
 		gss_release_buffer(&min_stat, &gd->gc.gc_ctx);
 		/* XXX ANDROS check size of context  - should be 8 */
@@ -582,7 +595,7 @@ authgss_destroy(AUTH *auth)
 	struct rpc_gss_data	*gd;
 	OM_uint32		 min_stat;
 
-	log_debug("in authgss_destroy()");
+	gss_log_debug("in authgss_destroy()");
 
 	gd = AUTH_PRIVATE(auth);
 
@@ -603,7 +616,7 @@ authgss_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr)
 {
 	struct rpc_gss_data	*gd;
 
-	log_debug("in authgss_wrap()");
+	gss_log_debug("in authgss_wrap()");
 
 	gd = AUTH_PRIVATE(auth);
 
@@ -620,7 +633,7 @@ authgss_unwrap(AUTH *auth, XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr)
 {
 	struct rpc_gss_data	*gd;
 
-	log_debug("in authgss_unwrap()");
+	gss_log_debug("in authgss_unwrap()");
 
 	gd = AUTH_PRIVATE(auth);
 
diff --git a/src/auth_none.c b/src/auth_none.c
index a439ec6..affc92b 100644
--- a/src/auth_none.c
+++ b/src/auth_none.c
@@ -110,20 +110,19 @@ static bool_t
 authnone_marshal(AUTH *client, XDR *xdrs)
 {
 	struct authnone_private *ap;
-	bool_t dummy;
+	bool_t rv = FALSE;
 	extern mutex_t authnone_lock;
 
 	assert(xdrs != NULL);
 
+	mutex_lock(&authnone_lock);
 	ap = authnone_private;
-	if (ap == NULL) {
-		mutex_unlock(&authnone_lock);
-		return (FALSE);
+	if (ap) {
+		rv = (*xdrs->x_ops->x_putbytes)(xdrs, ap->marshalled_client,
+					        ap->mcnt);
 	}
-	dummy = (*xdrs->x_ops->x_putbytes)(xdrs,
-	    ap->marshalled_client, ap->mcnt);
 	mutex_unlock(&authnone_lock);
-	return (dummy);
+	return (rv);
 }
 
 /* All these unused parameters are required to keep ANSI-C from grumbling */
@@ -155,6 +154,12 @@ authnone_destroy(AUTH *client)
 {
 }
 
+static bool_t
+authnone_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere)
+{
+	return ((*xfunc)(xdrs, xwhere));
+}
+
 static struct auth_ops *
 authnone_ops()
 {
@@ -170,6 +175,8 @@ authnone_ops()
 		ops.ah_validate = authnone_validate;
 		ops.ah_refresh = authnone_refresh;
 		ops.ah_destroy = authnone_destroy;
+		ops.ah_wrap = authnone_wrap;
+		ops.ah_unwrap = authnone_wrap;
 	}
 	mutex_unlock(&ops_lock);
 	return (&ops);
diff --git a/src/auth_unix.c b/src/auth_unix.c
index c2469da..4b9b13f 100644
--- a/src/auth_unix.c
+++ b/src/auth_unix.c
@@ -162,6 +162,7 @@ authunix_create(machname, uid, gid, len, aup_gids)
 	 */
 	auth->ah_cred = au->au_origcred;
 	marshal_new_auth(auth);
+	auth_get(auth);		/* Reference for caller */
 	return (auth);
 #ifndef _KERNEL
  cleanup_authunix_create:
@@ -396,6 +397,12 @@ marshal_new_auth(auth)
 	XDR_DESTROY(xdrs);
 }
 
+static bool_t
+authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere)
+{
+	return ((*xfunc)(xdrs, xwhere));
+}
+
 static struct auth_ops *
 authunix_ops()
 {
@@ -411,6 +418,8 @@ authunix_ops()
 		ops.ah_validate = authunix_validate;
 		ops.ah_refresh = authunix_refresh;
 		ops.ah_destroy = authunix_destroy;
+		ops.ah_wrap = authunix_wrap;
+		ops.ah_unwrap = authunix_wrap;
 	}
 	mutex_unlock(&ops_lock);
 	return (&ops);
diff --git a/src/authgss_prot.c b/src/authgss_prot.c
index 9d7fa09..a3c93c9 100644
--- a/src/authgss_prot.c
+++ b/src/authgss_prot.c
@@ -64,10 +64,10 @@ xdr_rpc_gss_buf(XDR *xdrs, gss_buffer_t buf, u_int maxsize)
 	if (xdr_stat && xdrs->x_op == XDR_DECODE)
 		buf->length = tmplen;
 
-	log_debug("xdr_rpc_gss_buf: %s %s (%p:%d)",
-		  (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
-		  (xdr_stat == TRUE) ? "success" : "failure",
-		  buf->value, buf->length);
+	gss_log_debug("xdr_rpc_gss_buf: %s %s (%p:%d)",
+		      (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
+		      (xdr_stat == TRUE) ? "success" : "failure",
+		      buf->value, buf->length);
 
 	return xdr_stat;
 }
@@ -83,12 +83,12 @@ xdr_rpc_gss_cred(XDR *xdrs, struct rpc_gss_cred *p)
 		    xdr_enum(xdrs, (enum_t *)&p->gc_svc) &&
 		    xdr_rpc_gss_buf(xdrs, &p->gc_ctx, MAX_AUTH_BYTES));
 
-	log_debug("xdr_rpc_gss_cred: %s %s "
-		  "(v %d, proc %d, seq %d, svc %d, ctx %p:%d)",
-		  (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
-		  (xdr_stat == TRUE) ? "success" : "failure",
-		  p->gc_v, p->gc_proc, p->gc_seq, p->gc_svc,
-		  p->gc_ctx.value, p->gc_ctx.length);
+	gss_log_debug("xdr_rpc_gss_cred: %s %s "
+		      "(v %d, proc %d, seq %d, svc %d, ctx %p:%d)",
+		      (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
+		      (xdr_stat == TRUE) ? "success" : "failure",
+		      p->gc_v, p->gc_proc, p->gc_seq, p->gc_svc,
+		      p->gc_ctx.value, p->gc_ctx.length);
 
 	return (xdr_stat);
 }
@@ -101,10 +101,10 @@ xdr_rpc_gss_init_args(XDR *xdrs, gss_buffer_desc *p)
 
 	xdr_stat = xdr_rpc_gss_buf(xdrs, p, maxlen);
 
-	log_debug("xdr_rpc_gss_init_args: %s %s (token %p:%d)",
-		  (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
-		  (xdr_stat == TRUE) ? "success" : "failure",
-		  p->value, p->length);
+	gss_log_debug("xdr_rpc_gss_init_args: %s %s (token %p:%d)",
+		      (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
+		      (xdr_stat == TRUE) ? "success" : "failure",
+		      p->value, p->length);
 
 	return (xdr_stat);
 }
@@ -123,13 +123,13 @@ xdr_rpc_gss_init_res(XDR *xdrs, struct rpc_gss_init_res *p)
 		    xdr_u_int(xdrs, &p->gr_win) &&
 		    xdr_rpc_gss_buf(xdrs, &p->gr_token, tok_maxlen));
 
-	log_debug("xdr_rpc_gss_init_res %s %s "
-		  "(ctx %p:%d, maj %d, min %d, win %d, token %p:%d)",
-		  (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
-		  (xdr_stat == TRUE) ? "success" : "failure",
-		  p->gr_ctx.value, p->gr_ctx.length,
-		  p->gr_major, p->gr_minor, p->gr_win,
-		  p->gr_token.value, p->gr_token.length);
+	gss_log_debug("xdr_rpc_gss_init_res %s %s "
+		      "(ctx %p:%d, maj %d, min %d, win %d, token %p:%d)",
+		      (xdrs->x_op == XDR_ENCODE) ? "encode" : "decode",
+		      (xdr_stat == TRUE) ? "success" : "failure",
+		      p->gr_ctx.value, p->gr_ctx.length,
+		      p->gr_major, p->gr_minor, p->gr_win,
+		      p->gr_token.value, p->gr_token.length);
 
 	return (xdr_stat);
 }
@@ -161,6 +161,7 @@ xdr_rpc_gss_wrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 	databuflen = end - start - 4;
 	XDR_SETPOS(xdrs, start + 4);
 	databuf.value = XDR_INLINE(xdrs, databuflen);
+	databuf.length = databuflen;
 
 	xdr_stat = FALSE;
 
@@ -169,13 +170,12 @@ xdr_rpc_gss_wrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 		XDR_SETPOS(xdrs, start);
 		if (!xdr_u_int(xdrs, (u_int *)&databuflen))
 			return (FALSE);
-		databuf.length = databuflen;
 
 		/* Checksum rpc_gss_data_t. */
 		maj_stat = gss_get_mic(&min_stat, ctx, qop,
 				       &databuf, &wrapbuf);
 		if (maj_stat != GSS_S_COMPLETE) {
-			log_debug("gss_get_mic failed");
+			gss_log_debug("gss_get_mic failed");
 			return (FALSE);
 		}
 		/* Marshal checksum. */
@@ -189,7 +189,7 @@ xdr_rpc_gss_wrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 		maj_stat = gss_wrap(&min_stat, ctx, TRUE, qop, &databuf,
 				    &conf_state, &wrapbuf);
 		if (maj_stat != GSS_S_COMPLETE) {
-			log_status("gss_wrap", maj_stat, min_stat);
+			gss_log_status("gss_wrap", maj_stat, min_stat);
 			return (FALSE);
 		}
 		/* Marshal databody_priv. */
@@ -222,13 +222,13 @@ xdr_rpc_gss_unwrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 	if (svc == RPCSEC_GSS_SVC_INTEGRITY) {
 		/* Decode databody_integ. */
 		if (!xdr_rpc_gss_buf(xdrs, &databuf, (u_int)-1)) {
-			log_debug("xdr decode databody_integ failed");
+			gss_log_debug("xdr decode databody_integ failed");
 			return (FALSE);
 		}
 		/* Decode checksum. */
 		if (!xdr_rpc_gss_buf(xdrs, &wrapbuf, (u_int)-1)) {
 			gss_release_buffer(&min_stat, &databuf);
-			log_debug("xdr decode checksum failed");
+			gss_log_debug("xdr decode checksum failed");
 			return (FALSE);
 		}
 		/* Verify checksum and QOP. */
@@ -238,14 +238,14 @@ xdr_rpc_gss_unwrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 
 		if (maj_stat != GSS_S_COMPLETE || qop_state != qop) {
 			gss_release_buffer(&min_stat, &databuf);
-			log_status("gss_verify_mic", maj_stat, min_stat);
+			gss_log_status("gss_verify_mic", maj_stat, min_stat);
 			return (FALSE);
 		}
 	}
 	else if (svc == RPCSEC_GSS_SVC_PRIVACY) {
 		/* Decode databody_priv. */
 		if (!xdr_rpc_gss_buf(xdrs, &wrapbuf, (u_int)-1)) {
-			log_debug("xdr decode databody_priv failed");
+			gss_log_debug("xdr decode databody_priv failed");
 			return (FALSE);
 		}
 		/* Decrypt databody. */
@@ -258,7 +258,7 @@ xdr_rpc_gss_unwrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 		if (maj_stat != GSS_S_COMPLETE || qop_state != qop ||
 			conf_state != TRUE) {
 			gss_release_buffer(&min_stat, &databuf);
-			log_status("gss_unwrap", maj_stat, min_stat);
+			gss_log_status("gss_unwrap", maj_stat, min_stat);
 			return (FALSE);
 		}
 	}
@@ -271,7 +271,7 @@ xdr_rpc_gss_unwrap_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 
 	/* Verify sequence number. */
 	if (xdr_stat == TRUE && seq_num != seq) {
-		log_debug("wrong sequence number in databody");
+		gss_log_debug("wrong sequence number in databody");
 		return (FALSE);
 	}
 	return (xdr_stat);
@@ -300,7 +300,7 @@ xdr_rpc_gss_data(XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr,
 #include <ctype.h>
 
 void
-log_debug(const char *fmt, ...)
+gss_log_debug(const char *fmt, ...)
 {
 	va_list ap;
 
@@ -312,7 +312,7 @@ log_debug(const char *fmt, ...)
 }
 
 void
-log_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
+gss_log_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
 {
 	OM_uint32 min;
 	gss_buffer_desc msg;
@@ -332,7 +332,7 @@ log_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
 }
 
 void
-log_hexdump(const u_char *buf, int len, int offset)
+gss_log_hexdump(const u_char *buf, int len, int offset)
 {
 	u_int i, j, jm;
 	int c;
@@ -367,17 +367,17 @@ log_hexdump(const u_char *buf, int len, int offset)
 #else
 
 void
-log_debug(const char *fmt, ...)
+gss_log_debug(const char *fmt, ...)
 {
 }
 
 void
-log_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
+gss_log_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
 {
 }
 
 void
-log_hexdump(const u_char *buf, int len, int offset)
+gss_log_hexdump(const u_char *buf, int len, int offset)
 {
 }
 
diff --git a/src/clnt_dg.c b/src/clnt_dg.c
index 79fed5d..4a1f60a 100644
--- a/src/clnt_dg.c
+++ b/src/clnt_dg.c
@@ -366,7 +366,7 @@ call_again:
 
 	if ((! XDR_PUTINT32(xdrs, (int32_t *)&proc)) ||
 	    (! AUTH_MARSHALL(cl->cl_auth, xdrs)) ||
-	    (! (*xargs)(xdrs, argsp))) {
+	    (! AUTH_WRAP(cl->cl_auth, xdrs, xargs, argsp))) {
 		cu->cu_error.re_status = RPC_CANTENCODEARGS;
 		goto out;
 	}
@@ -400,8 +400,8 @@ get_reply:
 	 * (We assume that this is actually only executed once.)
 	 */
 	reply_msg.acpted_rply.ar_verf = _null_auth;
-	reply_msg.acpted_rply.ar_results.where = resultsp;
-	reply_msg.acpted_rply.ar_results.proc = xresults;
+	reply_msg.acpted_rply.ar_results.where = NULL;
+	reply_msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void;
 
         fd.fd = cu->cu_fd;
         fd.events = POLLIN;
@@ -512,6 +512,10 @@ get_reply:
 					    &reply_msg.acpted_rply.ar_verf)) {
 				cu->cu_error.re_status = RPC_AUTHERROR;
 				cu->cu_error.re_why = AUTH_INVALIDRESP;
+			} else if (! AUTH_UNWRAP(cl->cl_auth, &reply_xdrs,
+						 xresults, resultsp)) {
+				if (cu->cu_error.re_status == RPC_SUCCESS)
+				     cu->cu_error.re_status = RPC_CANTDECODERES;
 			}
 			if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) {
 				xdrs->x_op = XDR_FREE;
diff --git a/src/clnt_vc.c b/src/clnt_vc.c
index 359063c..097cae8 100644
--- a/src/clnt_vc.c
+++ b/src/clnt_vc.c
@@ -364,7 +364,7 @@ call_again:
 	if ((! XDR_PUTBYTES(xdrs, ct->ct_u.ct_mcallc, ct->ct_mpos)) ||
 	    (! XDR_PUTINT32(xdrs, (int32_t *)&proc)) ||
 	    (! AUTH_MARSHALL(cl->cl_auth, xdrs)) ||
-	    (! (*xdr_args)(xdrs, args_ptr))) {
+	    (! AUTH_WRAP(cl->cl_auth, xdrs, xdr_args, args_ptr))) {
 		if (ct->ct_error.re_status == RPC_SUCCESS)
 			ct->ct_error.re_status = RPC_CANTENCODEARGS;
 		(void)xdrrec_endofrecord(xdrs, TRUE);
@@ -420,7 +420,8 @@ call_again:
 		    &reply_msg.acpted_rply.ar_verf)) {
 			ct->ct_error.re_status = RPC_AUTHERROR;
 			ct->ct_error.re_why = AUTH_INVALIDRESP;
-		} else if (! (*xdr_results)(xdrs, results_ptr)) {
+		} else if (! AUTH_UNWRAP(cl->cl_auth, xdrs,
+					 xdr_results, results_ptr)) {
 			if (ct->ct_error.re_status == RPC_SUCCESS)
 				ct->ct_error.re_status = RPC_CANTDECODERES;
 		}
diff --git a/src/rpc_generic.c b/src/rpc_generic.c
index 509fb36..2eb91ad 100644
--- a/src/rpc_generic.c
+++ b/src/rpc_generic.c
@@ -535,7 +535,9 @@ __rpc_nconf2fd_flags(const struct netconfig *nconf, int flags)
 	    si.si_af == AF_INET6) {
 		int val = 1;
 
+#ifdef INET6
 		setsockopt(fd, SOL_IPV6, IPV6_V6ONLY, &val, sizeof(val));
+#endif
 	}
 	return fd;
 }
diff --git a/src/rpc_soc.c b/src/rpc_soc.c
index c678429..63d2197 100644
--- a/src/rpc_soc.c
+++ b/src/rpc_soc.c
@@ -560,12 +560,10 @@ clntunix_create(raddr, prog, vers, sockp, sendsz, recvsz)
 	u_int recvsz;
 {
 	struct netbuf *svcaddr;
-	struct netconfig *nconf;
 	CLIENT *cl;
 	int len;
 
 	cl = NULL;
-	nconf = NULL;
 	svcaddr = NULL;
 	if (((svcaddr = malloc(sizeof(struct netbuf))) == NULL ) ||
 	    ((svcaddr->buf = malloc(sizeof(struct sockaddr_un))) == NULL)) {
diff --git a/src/svc.c b/src/svc.c
index b4a63d0..08cd6c9 100644
--- a/src/svc.c
+++ b/src/svc.c
@@ -77,9 +77,6 @@ static struct svc_callout
 
 extern rwlock_t svc_lock;
 extern rwlock_t svc_fd_lock;
-#ifdef HAVE_LIBGSSAPI
-extern struct svc_auth_ops svc_auth_gss_ops;
-#endif
 
 static struct svc_callout *svc_find (rpcprog_t, rpcvers_t,
 				     struct svc_callout **, char *);
@@ -717,11 +714,9 @@ svc_getreq_common (fd)
 	  SVC_DESTROY (xprt);
 	  break;
 	}
-    else if ((xprt->xp_auth != NULL) 
-#ifdef HAVE_LIBGSSAPI
-	  	&& (xprt->xp_auth->svc_ah_ops != &svc_auth_gss_ops)
-#endif
-	) {
+    else if ((xprt->xp_auth != NULL) &&
+	     (xprt->xp_auth->svc_ah_private == NULL))
+	{
 	  xprt->xp_auth = NULL;
 	}
     }
diff --git a/src/svc_auth.c b/src/svc_auth.c
index c6b3a0b..e80d5f9 100644
--- a/src/svc_auth.c
+++ b/src/svc_auth.c
@@ -98,8 +98,8 @@ _authenticate(rqst, msg)
 	rqst->rq_xprt->xp_verf.oa_length = 0;
 	cred_flavor = rqst->rq_cred.oa_flavor;
 	switch (cred_flavor) {
-	case AUTH_NULL:
-		dummy = _svcauth_null(rqst, msg);
+	case AUTH_NONE:
+		dummy = _svcauth_none(rqst, msg);
 		return (dummy);
 	case AUTH_SYS:
 		dummy = _svcauth_unix(rqst, msg);
@@ -132,15 +132,6 @@ _authenticate(rqst, msg)
 	return (AUTH_REJECTEDCRED);
 }
 
-/*ARGSUSED*/
-enum auth_stat
-_svcauth_null(rqst, msg)
-	struct svc_req *rqst;
-	struct rpc_msg *msg;
-{
-	return (AUTH_OK);
-}
-
 /*
  *  Allow the rpc service to register new authentication types that it is
  *  prepared to handle.  When an authentication flavor is registered,
diff --git a/src/svc_auth_gss.c b/src/svc_auth_gss.c
index 54b23b1..9c74313 100644
--- a/src/svc_auth_gss.c
+++ b/src/svc_auth_gss.c
@@ -87,13 +87,13 @@ svcauth_gss_set_svc_name(gss_name_t name)
 {
 	OM_uint32	maj_stat, min_stat;
 
-	log_debug("in svcauth_gss_set_svc_name()");
+	gss_log_debug("in svcauth_gss_set_svc_name()");
 
 	if (_svcauth_gss_name != NULL) {
 		maj_stat = gss_release_name(&min_stat, &_svcauth_gss_name);
 
 		if (maj_stat != GSS_S_COMPLETE) {
-			log_status("gss_release_name", maj_stat, min_stat);
+			gss_log_status("gss_release_name", maj_stat, min_stat);
 			return (FALSE);
 		}
 		_svcauth_gss_name = NULL;
@@ -101,7 +101,7 @@ svcauth_gss_set_svc_name(gss_name_t name)
 	maj_stat = gss_duplicate_name(&min_stat, name, &_svcauth_gss_name);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_duplicate_name", maj_stat, min_stat);
+		gss_log_status("gss_duplicate_name", maj_stat, min_stat);
 		return (FALSE);
 	}
 
@@ -115,7 +115,7 @@ svcauth_gss_import_name(char *service)
 	gss_buffer_desc	namebuf;
 	OM_uint32	maj_stat, min_stat;
 
-	log_debug("in svcauth_gss_import_name()");
+	gss_log_debug("in svcauth_gss_import_name()");
 
 	namebuf.value = service;
 	namebuf.length = strlen(service);
@@ -124,7 +124,7 @@ svcauth_gss_import_name(char *service)
 				   (gss_OID)GSS_C_NT_HOSTBASED_SERVICE, &name);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_import_name", maj_stat, min_stat);
+		gss_log_status("gss_import_name", maj_stat, min_stat);
 		return (FALSE);
 	}
 	if (svcauth_gss_set_svc_name(name) != TRUE) {
@@ -139,14 +139,14 @@ svcauth_gss_acquire_cred(void)
 {
 	OM_uint32	maj_stat, min_stat;
 
-	log_debug("in svcauth_gss_acquire_cred()");
+	gss_log_debug("in svcauth_gss_acquire_cred()");
 
 	maj_stat = gss_acquire_cred(&min_stat, _svcauth_gss_name, 0,
 				    GSS_C_NULL_OID_SET, GSS_C_ACCEPT,
 				    &_svcauth_gss_creds, NULL, NULL);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_acquire_cred", maj_stat, min_stat);
+		gss_log_status("gss_acquire_cred", maj_stat, min_stat);
 		return (FALSE);
 	}
 	return (TRUE);
@@ -157,12 +157,12 @@ svcauth_gss_release_cred(void)
 {
 	OM_uint32	maj_stat, min_stat;
 
-	log_debug("in svcauth_gss_release_cred()");
+	gss_log_debug("in svcauth_gss_release_cred()");
 
 	maj_stat = gss_release_cred(&min_stat, &_svcauth_gss_creds);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_release_cred", maj_stat, min_stat);
+		gss_log_status("gss_release_cred", maj_stat, min_stat);
 		return (FALSE);
 	}
 
@@ -181,7 +181,7 @@ svcauth_gss_accept_sec_context(struct svc_req *rqst,
 	gss_OID			 mech;
 	OM_uint32		 maj_stat = 0, min_stat = 0, ret_flags, seq;
 
-	log_debug("in svcauth_gss_accept_context()");
+	gss_log_debug("in svcauth_gss_accept_context()");
 
 	gd = SVCAUTH_PRIVATE(rqst->rq_xprt->xp_auth);
 	gc = (struct rpc_gss_cred *)rqst->rq_clntcred;
@@ -208,7 +208,7 @@ svcauth_gss_accept_sec_context(struct svc_req *rqst,
 
 	if (gr->gr_major != GSS_S_COMPLETE &&
 	    gr->gr_major != GSS_S_CONTINUE_NEEDED) {
-		log_status("accept_sec_context", gr->gr_major, gr->gr_minor);
+		gss_log_status("accept_sec_context", gr->gr_major, gr->gr_minor);
 		gd->ctx = GSS_C_NO_CONTEXT;
 		gss_release_buffer(&min_stat, &gr->gr_token);
 		return (FALSE);
@@ -238,7 +238,7 @@ svcauth_gss_accept_sec_context(struct svc_req *rqst,
 		maj_stat = gss_display_name(&min_stat, gd->client_name,
 					    &gd->cname, &gd->sec.mech);
 		if (maj_stat != GSS_S_COMPLETE) {
-			log_status("display_name", maj_stat, min_stat);
+			gss_log_status("display_name", maj_stat, min_stat);
 			return (FALSE);
 		}
 #ifdef DEBUG
@@ -248,19 +248,19 @@ svcauth_gss_accept_sec_context(struct svc_req *rqst,
 
 			gss_oid_to_str(&min_stat, mech, &mechname);
 
-			log_debug("accepted context for %.*s with "
-				  "<mech %.*s, qop %d, svc %d>",
-				  gd->cname.length, (char *)gd->cname.value,
-				  mechname.length, (char *)mechname.value,
-				  gd->sec.qop, gd->sec.svc);
+			gss_log_debug("accepted context for %.*s with "
+				      "<mech %.*s, qop %d, svc %d>",
+				      gd->cname.length, (char *)gd->cname.value,
+				      mechname.length, (char *)mechname.value,
+				      gd->sec.qop, gd->sec.svc);
 
 			gss_release_buffer(&min_stat, &mechname);
 		}
 #elif HAVE_HEIMDAL
-		log_debug("accepted context for %.*s with "
-			  "<mech {}, qop %d, svc %d>",
-			  gd->cname.length, (char *)gd->cname.value,
-			  gd->sec.qop, gd->sec.svc);
+		gss_log_debug("accepted context for %.*s with "
+			      "<mech {}, qop %d, svc %d>",
+			      gd->cname.length, (char *)gd->cname.value,
+			      gd->sec.qop, gd->sec.svc);
 #endif
 #endif /* DEBUG */
 		seq = htonl(gr->gr_win);
@@ -289,7 +289,7 @@ svcauth_gss_validate(struct svc_rpc_gss_data *gd, struct rpc_msg *msg)
 	u_char			 rpchdr[128];
 	int32_t			*buf;
 
-	log_debug("in svcauth_gss_validate()");
+	gss_log_debug("in svcauth_gss_validate()");
 
 	memset(rpchdr, 0, sizeof(rpchdr));
 
@@ -326,7 +326,7 @@ svcauth_gss_validate(struct svc_rpc_gss_data *gd, struct rpc_msg *msg)
 				  &qop_state);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_verify_mic", maj_stat, min_stat);
+		gss_log_status("gss_verify_mic", maj_stat, min_stat);
 		return (FALSE);
 	}
 	return (TRUE);
@@ -339,7 +339,7 @@ svcauth_gss_nextverf(struct svc_req *rqst, u_int num)
 	gss_buffer_desc		 signbuf, checksum;
 	OM_uint32		 maj_stat, min_stat;
 
-	log_debug("in svcauth_gss_nextverf()");
+	gss_log_debug("in svcauth_gss_nextverf()");
 
 	if (rqst->rq_xprt->xp_auth == NULL)
 		return (FALSE);
@@ -353,7 +353,7 @@ svcauth_gss_nextverf(struct svc_req *rqst, u_int num)
 			       &signbuf, &checksum);
 
 	if (maj_stat != GSS_S_COMPLETE) {
-		log_status("gss_get_mic", maj_stat, min_stat);
+		gss_log_status("gss_get_mic", maj_stat, min_stat);
 		return (FALSE);
 	}
 	rqst->rq_xprt->xp_verf.oa_flavor = RPCSEC_GSS;
@@ -373,7 +373,7 @@ _svcauth_gss(struct svc_req *rqst, struct rpc_msg *msg, bool_t *no_dispatch)
 	struct rpc_gss_init_res	 gr;
 	int			 call_stat, offset;
 
-	log_debug("in svcauth_gss()");
+	gss_log_debug("in svcauth_gss()");
 
 	/* Initialize reply. */
 	rqst->rq_xprt->xp_verf = _null_auth;
@@ -519,7 +519,7 @@ svcauth_gss_destroy(SVCAUTH *auth)
 	struct svc_rpc_gss_data	*gd;
 	OM_uint32		 min_stat;
 
-	log_debug("in svcauth_gss_destroy()");
+	gss_log_debug("in svcauth_gss_destroy()");
 
 	gd = SVCAUTH_PRIVATE(auth);
 
@@ -540,7 +540,7 @@ svcauth_gss_wrap(SVCAUTH *auth, XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr)
 {
 	struct svc_rpc_gss_data	*gd;
 
-	log_debug("in svcauth_gss_wrap()");
+	gss_log_debug("in svcauth_gss_wrap()");
 
 	gd = SVCAUTH_PRIVATE(auth);
 
@@ -557,7 +557,7 @@ svcauth_gss_unwrap(SVCAUTH *auth, XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr
 {
 	struct svc_rpc_gss_data	*gd;
 
-	log_debug("in svcauth_gss_unwrap()");
+	gss_log_debug("in svcauth_gss_unwrap()");
 
 	gd = SVCAUTH_PRIVATE(auth);
 
diff --git a/src/svc_auth_unix.c b/src/svc_auth_unix.c
index ce83859..9585069 100644
--- a/src/svc_auth_unix.c
+++ b/src/svc_auth_unix.c
@@ -43,6 +43,8 @@
 
 #include <rpc/rpc.h>
 
+extern SVCAUTH svc_auth_none;
+
 /*
  * Unix longhand authenticator
  */
@@ -67,6 +69,8 @@ _svcauth_unix(rqst, msg)
 	assert(rqst != NULL);
 	assert(msg != NULL);
 
+	rqst->rq_xprt->xp_auth = &svc_auth_none;
+
 	area = (struct area *) rqst->rq_clntcred;
 	aup = &area->area_aup;
 	aup->aup_machname = area->area_machname;
@@ -142,5 +146,6 @@ _svcauth_short(rqst, msg)
 	struct svc_req *rqst;
 	struct rpc_msg *msg;
 {
+	rqst->rq_xprt->xp_auth = &svc_auth_none;
 	return (AUTH_REJECTEDCRED);
 }
diff --git a/src/svc_dg.c b/src/svc_dg.c
index 66a56ee..b1ac462 100644
--- a/src/svc_dg.c
+++ b/src/svc_dg.c
@@ -134,6 +134,7 @@ svc_dg_create(fd, sendsize, recvsize)
 	su->su_cache = NULL;
 	xprt->xp_fd = fd;
 	xprt->xp_p2 = su;
+	xprt->xp_auth = NULL;
 	xprt->xp_verf.oa_base = su->su_verfbody;
 	svc_dg_ops(xprt);
 	xprt->xp_rtaddr.maxlen = sizeof (struct sockaddr_storage);
@@ -234,10 +235,27 @@ svc_dg_reply(xprt, msg)
 	bool_t stat = FALSE;
 	size_t slen;
 
+	xdrproc_t xdr_results;
+	caddr_t xdr_location;
+	bool_t has_args;
+
+	if (msg->rm_reply.rp_stat == MSG_ACCEPTED &&
+	    msg->rm_reply.rp_acpt.ar_stat == SUCCESS) {
+		has_args = TRUE;
+		xdr_results = msg->acpted_rply.ar_results.proc;
+		xdr_location = msg->acpted_rply.ar_results.where;
+
+		msg->acpted_rply.ar_results.proc = (xdrproc_t)xdr_void;
+		msg->acpted_rply.ar_results.where = NULL;
+	} else
+		has_args = FALSE;
+
 	xdrs->x_op = XDR_ENCODE;
 	XDR_SETPOS(xdrs, 0);
 	msg->rm_xid = su->su_xid;
-	if (xdr_replymsg(xdrs, msg)) {
+	if (xdr_replymsg(xdrs, msg) &&
+	    (!has_args || (xprt->xp_auth &&
+	     SVCAUTH_WRAP(xprt->xp_auth, xdrs, xdr_results, xdr_location)))) {
 		struct msghdr *msg = &su->su_msghdr;
 		struct iovec iov;
 
@@ -264,7 +282,12 @@ svc_dg_getargs(xprt, xdr_args, args_ptr)
 	xdrproc_t xdr_args;
 	void *args_ptr;
 {
-	return (*xdr_args)(&(su_data(xprt)->su_xdrs), args_ptr);
+	if (! SVCAUTH_UNWRAP(xprt->xp_auth, &(su_data(xprt)->su_xdrs),
+			     xdr_args, args_ptr)) {
+		(void)svc_freeargs(xprt, xdr_args, args_ptr);
+		return FALSE;
+	}
+	return TRUE;
 }
 
 static bool_t
@@ -288,6 +311,10 @@ svc_dg_destroy(xprt)
 	xprt_unregister(xprt);
 	if (xprt->xp_fd != -1)
 		(void)close(xprt->xp_fd);
+	if (xprt->xp_auth != NULL) {
+		SVCAUTH_DESTROY(xprt->xp_auth);
+		xprt->xp_auth = NULL;
+	}
 	XDR_DESTROY(&(su->su_xdrs));
 	(void) mem_free(rpc_buffer(xprt), su->su_iosz);
 	(void) mem_free(su, sizeof (*su));
@@ -626,10 +653,11 @@ svc_dg_enable_pktinfo(int fd, const struct __rpc_sockinfo *si)
 	case AF_INET:
 		(void) setsockopt(fd, SOL_IP, IP_PKTINFO, &val, sizeof(val));
 		break;
-
+#ifdef INET6
 	case AF_INET6:
-		(void) setsockopt(fd, SOL_IPV6, IPV6_PKTINFO, &val, sizeof(val));
+		(void) setsockopt(fd, SOL_IPV6, IPV6_RECVPKTINFO, &val, sizeof(val));
 		break;
+#endif
 	}
 }
 
@@ -667,6 +695,7 @@ svc_dg_valid_pktinfo(struct msghdr *msg)
 		}
 		break;
 
+#ifdef INET6
 	case AF_INET6:
 		if (cmsg->cmsg_level != SOL_IPV6
 		 || cmsg->cmsg_type != IPV6_PKTINFO
@@ -679,6 +708,7 @@ svc_dg_valid_pktinfo(struct msghdr *msg)
 			pkti->ipi6_ifindex = 0;
 		}
 		break;
+#endif
 
 	default:
 		return 0;
diff --git a/src/svc_vc.c b/src/svc_vc.c
index aaaf2d7..4c70de8 100644
--- a/src/svc_vc.c
+++ b/src/svc_vc.c
@@ -172,6 +172,7 @@ svc_vc_create(fd, sendsize, recvsize)
 	xprt->xp_p1 = r;
 	xprt->xp_p2 = NULL;
 	xprt->xp_p3 = NULL;
+	xprt->xp_auth = NULL;
 	xprt->xp_verf = _null_auth;
 	svc_vc_rendezvous_ops(xprt);
 	xprt->xp_port = (u_short)-1;	/* It is the rendezvouser */
@@ -283,6 +284,7 @@ makefd_xprt(fd, sendsize, recvsize)
 	xdrrec_create(&(cd->xdrs), sendsize, recvsize,
 	    xprt, read_vc, write_vc);
 	xprt->xp_p1 = cd;
+	xprt->xp_auth = NULL;
 	xprt->xp_verf.oa_base = cd->verf_body;
 	svc_vc_ops(xprt);  /* truely deals with calls */
 	xprt->xp_port = 0;  /* this is a connection, not a rendezvouser */
@@ -412,6 +414,10 @@ __svc_vc_dodestroy(xprt)
 		XDR_DESTROY(&(cd->xdrs));
 		mem_free(cd, sizeof(struct cf_conn));
 	}
+	if (xprt->xp_auth != NULL) {
+		SVCAUTH_DESTROY(xprt->xp_auth);
+		xprt->xp_auth = NULL;
+	}
 	if (xprt->xp_rtaddr.buf)
 		mem_free(xprt->xp_rtaddr.buf, xprt->xp_rtaddr.maxlen);
 	if (xprt->xp_ltaddr.buf)
@@ -610,7 +616,11 @@ svc_vc_recv(xprt, msg)
 	}
 
 	xdrs->x_op = XDR_DECODE;
-	(void)xdrrec_skiprecord(xdrs);
+	/*
+	 * No need skip records with nonblocking connections
+	 */
+	if (cd->nonblock == FALSE)
+		(void)xdrrec_skiprecord(xdrs);
 	if (xdr_callmsg(xdrs, msg)) {
 		cd->x_id = msg->rm_xid;
 		return (TRUE);
@@ -628,8 +638,13 @@ svc_vc_getargs(xprt, xdr_args, args_ptr)
 
 	assert(xprt != NULL);
 	/* args_ptr may be NULL */
-	return ((*xdr_args)(&(((struct cf_conn *)(xprt->xp_p1))->xdrs),
-	    args_ptr));
+
+	if (! SVCAUTH_UNWRAP(xprt->xp_auth,
+			     &(((struct cf_conn *)(xprt->xp_p1))->xdrs),
+			     xdr_args, args_ptr)) {
+		return FALSE;  
+	}
+	return TRUE;
 }
 
 static bool_t
@@ -658,15 +673,35 @@ svc_vc_reply(xprt, msg)
 	XDR *xdrs;
 	bool_t rstat;
 
+	xdrproc_t xdr_results;
+	caddr_t xdr_location;
+	bool_t has_args;
+
 	assert(xprt != NULL);
 	assert(msg != NULL);
 
 	cd = (struct cf_conn *)(xprt->xp_p1);
 	xdrs = &(cd->xdrs);
 
+	if (msg->rm_reply.rp_stat == MSG_ACCEPTED &&
+	    msg->rm_reply.rp_acpt.ar_stat == SUCCESS) {
+		has_args = TRUE;
+		xdr_results = msg->acpted_rply.ar_results.proc;
+		xdr_location = msg->acpted_rply.ar_results.where;
+
+		msg->acpted_rply.ar_results.proc = (xdrproc_t)xdr_void;
+		msg->acpted_rply.ar_results.where = NULL;
+	} else
+		has_args = FALSE;
+
 	xdrs->x_op = XDR_ENCODE;
 	msg->rm_xid = cd->x_id;
-	rstat = xdr_replymsg(xdrs, msg);
+	rstat = FALSE;
+	if (xdr_replymsg(xdrs, msg) &&
+	    (!has_args || (xprt->xp_auth &&
+	     SVCAUTH_WRAP(xprt->xp_auth, xdrs, xdr_results, xdr_location)))) {
+		rstat = TRUE;
+	}
 	(void)xdrrec_endofrecord(xdrs, TRUE);
 	return (rstat);
 }
diff --git a/src/xdr_rec.c b/src/xdr_rec.c
index 4e815d7..2aca623 100644
--- a/src/xdr_rec.c
+++ b/src/xdr_rec.c
@@ -64,7 +64,6 @@
 #include <rpc/clnt.h>
 #include <stddef.h>
 #include "rpc_com.h"
-#include <unistd.h>
 static bool_t	xdrrec_getlong(XDR *, long *);
 static bool_t	xdrrec_putlong(XDR *, const long *);
 static bool_t	xdrrec_getbytes(XDR *, char *, u_int);
@@ -330,22 +329,22 @@ xdrrec_getpos(xdrs)
 	RECSTREAM *rstrm = (RECSTREAM *)xdrs->x_private;
 	off_t pos;
 
-	pos = lseek((int)(u_long)rstrm->tcp_handle, (off_t)0, 1);
-	if (pos != -1)
-		switch (xdrs->x_op) {
+	switch (xdrs->x_op) {
 
-		case XDR_ENCODE:
-			pos += rstrm->out_finger - rstrm->out_base;
-			break;
+	case XDR_ENCODE:
+		pos = rstrm->out_finger - rstrm->out_base
+			- BYTES_PER_XDR_UNIT;
+		break;
 
-		case XDR_DECODE:
-			pos -= rstrm->in_boundry - rstrm->in_finger;
-			break;
+	case XDR_DECODE:
+		pos = rstrm->in_boundry - rstrm->in_finger
+			- BYTES_PER_XDR_UNIT;
+		break;
 
-		default:
-			pos = (off_t) -1;
-			break;
-		}
+	default:
+		pos = (off_t) -1;
+		break;
+	}
 	return ((u_int) pos);
 }
 
diff --git a/tirpc/rpc/auth.h b/tirpc/rpc/auth.h
index 734e6b9..e7bbe36 100644
--- a/tirpc/rpc/auth.h
+++ b/tirpc/rpc/auth.h
@@ -51,6 +51,7 @@
 #include <sys/cdefs.h>
 #include <sys/socket.h>
 #include <sys/types.h>
+#include <stdio.h>
 
 
 #define MAX_AUTH_BYTES	400
@@ -203,8 +204,22 @@ typedef struct __auth {
 
 	} *ah_ops;
 	void *ah_private;
+	int ah_refcnt;
 } AUTH;
 
+static __inline int
+auth_get(AUTH *auth)
+{
+	return __sync_add_and_fetch(&auth->ah_refcnt, 1);
+}
+
+static __inline int
+auth_put(AUTH *auth)
+{
+	return __sync_sub_and_fetch(&auth->ah_refcnt, 1);
+}
+
+
 
 /*
  * Authentication ops.
@@ -234,10 +249,29 @@ typedef struct __auth {
 #define auth_refresh(auth, msg)		\
 		((*((auth)->ah_ops->ah_refresh))(auth, msg))
 
-#define AUTH_DESTROY(auth)		\
-		((*((auth)->ah_ops->ah_destroy))(auth))
-#define auth_destroy(auth)		\
-		((*((auth)->ah_ops->ah_destroy))(auth))
+#if defined(__GNUC__) && defined(DEBUG)
+#define auth_log_debug(fmt,args...) printf(stderr, fmt, args)
+#else
+#define auth_log_debug(fmt,args...)
+#endif
+
+#define AUTH_DESTROY(auth)						\
+		do {							\
+			int refs;					\
+			if ((refs = auth_put((auth))) == 0)		\
+				((*((auth)->ah_ops->ah_destroy))(auth));\
+			auth_log_debug("%s: auth_put(), refs %d\n",	\
+				__func__, refs);			\
+		} while (0)
+
+#define auth_destroy(auth)						\
+		do {							\
+			int refs;					\
+			if ((refs = auth_put((auth))) == 0)		\
+				((*((auth)->ah_ops->ah_destroy))(auth));\
+			auth_log_debug("%s: auth_put(), refs %d\n",	\
+				__func__, refs);			\
+		} while (0)
 
 #define AUTH_WRAP(auth, xdrs, xfunc, xwhere)            \
 		((*((auth)->ah_ops->ah_wrap))(auth, xdrs, \
@@ -373,7 +407,7 @@ __END_DECLS
 __BEGIN_DECLS
 struct svc_req;
 struct rpc_msg;
-enum auth_stat _svcauth_null (struct svc_req *, struct rpc_msg *);
+enum auth_stat _svcauth_none (struct svc_req *, struct rpc_msg *);
 enum auth_stat _svcauth_short (struct svc_req *, struct rpc_msg *);
 enum auth_stat _svcauth_unix (struct svc_req *, struct rpc_msg *);
 __END_DECLS
diff --git a/tirpc/rpc/auth_gss.h b/tirpc/rpc/auth_gss.h
index 633b11f..fc3ffbd 100644
--- a/tirpc/rpc/auth_gss.h
+++ b/tirpc/rpc/auth_gss.h
@@ -120,10 +120,10 @@ bool_t authgss_service		__P((AUTH *auth, int svc));
 bool_t authgss_get_private_data	__P((AUTH *auth,
 	    			     struct authgss_private_data *));
 
-void	log_debug		__P((const char *fmt, ...));
-void	log_status		__P((char *m, OM_uint32 major,
+void	gss_log_debug		__P((const char *fmt, ...));
+void	gss_log_status		__P((char *m, OM_uint32 major,
 				     OM_uint32 minor));
-void	log_hexdump		__P((const u_char *buf, int len, int offset));
+void	gss_log_hexdump		__P((const u_char *buf, int len, int offset));
 
 __END_DECLS
 
diff --git a/tirpc/rpc/des.h b/tirpc/rpc/des.h
index e3d6897..d2881ad 100644
--- a/tirpc/rpc/des.h
+++ b/tirpc/rpc/des.h
@@ -33,6 +33,9 @@
  * Copyright (c) 1986 by Sun Microsystems, Inc.
  */
 
+#ifndef _RPC_DES_H_
+#define _RPC_DES_H_
+
 #define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
 #define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
 
@@ -80,3 +83,5 @@ struct desparams {
  * Software DES.
  */
 extern int _des_crypt( char *, int, struct desparams * );
+
+#endif
diff --git a/tirpc/rpc/svc_auth.h b/tirpc/rpc/svc_auth.h
index 659e90c..14269d1 100644
--- a/tirpc/rpc/svc_auth.h
+++ b/tirpc/rpc/svc_auth.h
@@ -44,17 +44,23 @@
 /*
  * Interface to server-side authentication flavors.
  */
-typedef struct {
+typedef struct SVCAUTH {
 	struct svc_auth_ops {
-		int   (*svc_ah_wrap)(void);
-		int   (*svc_ah_unwrap)(void);
-		int   (*svc_ah_destroy)(void);
+		int     (*svc_ah_wrap)(struct SVCAUTH *, XDR *, xdrproc_t,
+				       caddr_t);
+		int     (*svc_ah_unwrap)(struct SVCAUTH *, XDR *, xdrproc_t,
+					 caddr_t);
+		int     (*svc_ah_destroy)(struct SVCAUTH *);
 		} *svc_ah_ops;
 	caddr_t svc_ah_private;
 } SVCAUTH;
 
-#define SVCAUTH_DESTROY(cred)		((*(cred)->svc_ah_ops->svc_ah_destroy)())
-#define svcauth_destroy(cred)		((*(cred)->svc_ah_ops->svc_ah_destroy)())
+#define SVCAUTH_WRAP(auth, xdrs, xfunc, xwhere) \
+	((*((auth)->svc_ah_ops->svc_ah_wrap))(auth, xdrs, xfunc, xwhere))
+#define SVCAUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \
+	((*((auth)->svc_ah_ops->svc_ah_unwrap))(auth, xdrs, xfunc, xwhere))
+#define SVCAUTH_DESTROY(auth) \
+	((*((auth)->svc_ah_ops->svc_ah_destroy))(auth))
 
 /*
  * Server side authenticator