svn commit: r287129 - in head: usr.bin/ypwhich usr.sbin/ypserv usr.sbin/ypserv/common

Marcelo Araujo araujo at FreeBSD.org
Tue Aug 25 15:27:34 UTC 2015


Author: araujo
Date: Tue Aug 25 15:27:32 2015
New Revision: 287129
URL: https://svnweb.freebsd.org/changeset/base/287129

Log:
  Sync ypwhich(1) code with the OpenBSD version that is more modern.
  Update the BSD LICENSE and remove the 3rd clause.
  
  Reviewed by:	rodrigc, kib, bapt
  Approved by:	bapt (mentor)
  Obtained from:	OpenBSD
  Differential Revision:	D3249

Added:
  head/usr.sbin/ypserv/common/
  head/usr.sbin/ypserv/common/yplib_host.c   (contents, props changed)
  head/usr.sbin/ypserv/common/yplib_host.h   (contents, props changed)
Modified:
  head/usr.bin/ypwhich/Makefile
  head/usr.bin/ypwhich/ypwhich.c
  head/usr.sbin/ypserv/Makefile

Modified: head/usr.bin/ypwhich/Makefile
==============================================================================
--- head/usr.bin/ypwhich/Makefile	Tue Aug 25 15:14:50 2015	(r287128)
+++ head/usr.bin/ypwhich/Makefile	Tue Aug 25 15:27:32 2015	(r287129)
@@ -1,7 +1,13 @@
 #	from: @(#)Makefile	5.8 (Berkeley) 7/28/90
 # $FreeBSD$
 
+YPSERV=${.CURDIR}/../../usr.sbin/ypserv/common
+.PATH: ${YPSERV}
+
 PROG=	ypwhich
+SRCS=	yplib_host.c ypwhich.c
+
+CFLAGS+=	-I${YPSERV} -I.
 
 WARNS?=	2
 

Modified: head/usr.bin/ypwhich/ypwhich.c
==============================================================================
--- head/usr.bin/ypwhich/ypwhich.c	Tue Aug 25 15:14:50 2015	(r287128)
+++ head/usr.bin/ypwhich/ypwhich.c	Tue Aug 25 15:27:32 2015	(r287129)
@@ -1,5 +1,8 @@
+/*	$OpenBSD: ypwhich.c,v 1.23 2015/02/08 23:40:35 deraadt Exp $	*/
+/*	$NetBSD: ypwhich.c,v 1.6 1996/05/13 02:43:48 thorpej Exp $	*/
+
 /*
- * Copyright (c) 1992/3 Theo de Raadt <deraadt at fsa.ca>
+ * Copyright (c) 1992, 1993 Theo de Raadt <deraadt at theos.com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -10,9 +13,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- *    products derived from this software without specific prior written
- *    permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -34,13 +34,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/types.h>
 #include <sys/socket.h>
 
-#include <rpc/rpc.h>
-#include <rpc/xdr.h>
-#include <rpcsvc/yp_prot.h>
-#include <rpcsvc/ypclnt.h>
-
 #include <netinet/in.h>
-
 #include <arpa/inet.h>
 
 #include <ctype.h>
@@ -51,13 +45,12 @@ __FBSDID("$FreeBSD$");
 #include <string.h>
 #include <unistd.h>
 
-#define ERR_USAGE	1	/* bad arguments - display 'usage' message */
-#define ERR_NOSUCHHOST	2	/* no such host */
-#define ERR_NOBINDING	3	/* error from ypbind -- domain not bound */
-#define ERR_NOYPBIND	4	/* ypbind not running */
-#define ERR_NOMASTER	5	/* could not find master server */
+#include <rpc/rpc.h>
+#include <rpc/xdr.h>
+#include <rpcsvc/yp.h>
+#include <rpcsvc/ypclnt.h>
 
-extern bool_t xdr_domainname();
+#include "yplib_host.h"
 
 static const struct ypalias {
 	char *alias, *name;
@@ -77,10 +70,11 @@ static const struct ypalias {
 static void
 usage(void)
 {
-	fprintf(stderr, "%s\n%s\n",
-		"usage: ypwhich [-d domain] [[-t] -m [mname] | host]",
-		"       ypwhich -x");
-	exit(ERR_USAGE);
+	fprintf(stderr,
+	    "usage: ypwhich [-t] [-d domain] [[-h] host]\n"
+	    "       ypwhich [-t] [-d domain] [-h host] -m [mname]\n"
+	    "       ypwhich -x\n");
+	exit(1);
 }
 
 
@@ -88,26 +82,28 @@ usage(void)
  * Like yp_bind except can query a specific host
  */
 static int
-bind_host(char *dom, struct sockaddr_in *lsin)
+bind_host(char *dom, struct sockaddr_in *sin)
 {
 	struct hostent *hent = NULL;
 	struct ypbind_resp ypbr;
+	struct in_addr ss_addr;
 	struct timeval tv;
 	CLIENT *client;
 	int sock, r;
-	struct in_addr ss_addr;
 
 	sock = RPC_ANYSOCK;
 	tv.tv_sec = 15;
 	tv.tv_usec = 0;
-	client = clntudp_create(lsin, YPBINDPROG, YPBINDVERS, tv, &sock);
+	client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);
+
 	if (client == NULL) {
-		warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND));
+		warnx("host is not bound to a ypmaster");
 		return (YPERR_YPBIND);
 	}
 
 	tv.tv_sec = 5;
 	tv.tv_usec = 0;
+
 	r = clnt_call(client, YPBINDPROC_DOMAIN,
 		(xdrproc_t)xdr_domainname, &dom,
 		(xdrproc_t)xdr_ypbind_resp, &ypbr, tv);
@@ -118,37 +114,41 @@ bind_host(char *dom, struct sockaddr_in 
 	} else {
 		if (ypbr.ypbind_status != YPBIND_SUCC_VAL) {
 			warnx("can't yp_bind: reason: %s",
-				ypbinderr_string(ypbr.ypbind_respbody.ypbind_error));
+			    yperr_string(ypbr.ypbind_status));
 			clnt_destroy(client);
 			return (r);
 		}
 	}
 	clnt_destroy(client);
 
-	ss_addr = ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr;
-	/*printf("%08x\n", ss_addr);*/
-	hent = gethostbyaddr((char *)&ss_addr, sizeof(ss_addr), AF_INET);
-	if (hent)
+	memmove(&ss_addr.s_addr, &ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr,
+	    sizeof (ss_addr));
+
+	hent = gethostbyaddr((char *)&ss_addr.s_addr, sizeof(ss_addr.s_addr),
+	    AF_INET);
+	if (hent != NULL)
 		printf("%s\n", hent->h_name);
 	else
 		printf("%s\n", inet_ntoa(ss_addr));
+
 	return (0);
 }
 
 int
 main(int argc, char *argv[])
 {
-	char *domnam = NULL, *master;
-	char *map = NULL;
+	char *domain, *master, *map = NULL, *host = NULL;
+	int notrans = 0, mode = 0, c, r, i;
 	struct ypmaplist *ypml, *y;
+	struct sockaddr_in sin;
 	struct hostent *hent;
-	struct sockaddr_in lsin;
-	int notrans, mode;
-	int c, r;
-	u_int i;
+	CLIENT *client = NULL;
 
-	notrans = mode = 0;
-	while ((c = getopt(argc, argv, "xd:mt")) != -1)
+	yp_get_default_domain(&domain);
+	if (domain == NULL)
+		errx(1, "YP domain name not set");
+
+	while ((c = getopt(argc, argv, "xd:h:mt")) != -1)
 		switch (c) {
 		case 'x':
 			for (i = 0; i < nitems(ypaliases); i++)
@@ -156,44 +156,46 @@ main(int argc, char *argv[])
 					ypaliases[i].alias,
 					ypaliases[i].name);
 			exit(0);
+		case 'h':
+			host = optarg;
+			break;
 		case 'd':
-			domnam = optarg;
+			domain = optarg;
 			break;
 		case 't':
-			notrans++;
+			notrans = 1;
 			break;
 		case 'm':
-			mode++;
+			mode = 1;
 			break;
 		default:
 			usage();
 		}
-
-	if (domnam == NULL)
-		yp_get_default_domain(&domnam);
+	argc -= optind;
+	argv += optind;
 
 	if (mode == 0) {
-		switch (argc-optind) {
+		switch (argc) {
 		case 0:
-			bzero(&lsin, sizeof lsin);
-			lsin.sin_family = AF_INET;
-			lsin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+			memset(&sin, 0, sizeof sin);
+			sin.sin_family = AF_INET;
+			sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
 
-			if (bind_host(domnam, &lsin))
-				exit(ERR_NOBINDING);
+			if (bind_host(domain, &sin))
+				exit(1);
 			break;
 		case 1:
-			bzero(&lsin, sizeof lsin);
-			lsin.sin_family = AF_INET;
-			if ((lsin.sin_addr.s_addr = inet_addr(argv[optind])) == INADDR_NONE) {
-				hent = gethostbyname(argv[optind]);
-				if (!hent)
-					errx(ERR_NOSUCHHOST, "host %s unknown", argv[optind]);
-				bcopy((char *)hent->h_addr_list[0],
-					(char *)&lsin.sin_addr, sizeof lsin.sin_addr);
+			bzero(&sin, sizeof sin);
+			sin.sin_family = AF_INET;
+			if (inet_aton(argv[0], &sin.sin_addr) == 0) {
+				hent = gethostbyname(argv[0]);
+				if (!hent) {
+					errx(1, "host %s unknown",
+					    argv[0]);
+				}
 			}
-			if (bind_host(domnam, &lsin))
-				exit(ERR_NOBINDING);
+			if (bind_host(domain, &sin))
+				exit(1);
 			break;
 		default:
 			usage();
@@ -201,57 +203,75 @@ main(int argc, char *argv[])
 		exit(0);
 	}
 
-	if (argc-optind > 1)
+	if (argc > 1)
 		usage();
 
-	if (argv[optind]) {
-		map = argv[optind];
+	if (host != NULL)
+		client = yp_bind_host(host, YPPROG, YPVERS, 0, 1);
+
+	if (argv[0]) {
+		map = argv[0];
 		if (notrans == 0) {
 			for (i = 0; i < nitems(ypaliases); i++)
 				if (strcmp(map, ypaliases[i].alias) == 0)
 					map = ypaliases[i].name;
 		}
-		r = yp_master(domnam, map, &master);
+
+		if (host != NULL)
+			r = yp_master_host(client, domain, map, &master);
+		else
+			r = yp_master(domain, map, &master);
+
 		switch (r) {
 		case 0:
 			printf("%s\n", master);
 			free(master);
 			break;
 		case YPERR_YPBIND:
-			errx(ERR_NOYPBIND, "not running ypbind");
+			errx(1, "not running ypbind");
 		default:
-			errx(ERR_NOMASTER, "can't find master for map %s: reason: %s",
-				map, yperr_string(r));
+			errx(1, "can't find master for map %s: reason: %s",
+			    map, yperr_string(r));
 		}
 		exit(0);
 	}
 
 	ypml = NULL;
-	r = yp_maplist(domnam, &ypml);
+	if (host != NULL)
+		r = yp_maplist_host(client, domain, &ypml);
+	else
+		r = yp_maplist(domain, &ypml);
+
+	r = 0;
 	switch (r) {
 	case 0:
-		for (y = ypml; y;) {
+		for (y = ypml; y; ) {
 			ypml = y;
-			r = yp_master(domnam, ypml->ypml_name, &master);
+			if (host != NULL) {
+				r = yp_master_host(client,
+						   domain, ypml->map, &master);
+			} else {
+				r = yp_master(domain, ypml->map, &master);
+			}
 			switch (r) {
 			case 0:
-				printf("%s %s\n", ypml->ypml_name, master);
+				printf("%s %s\n", ypml->map, master);
 				free(master);
 				break;
 			default:
 				warnx("can't find the master of %s: reason: %s",
-					ypml->ypml_name, yperr_string(r));
+				    ypml->map, yperr_string(r));
 				break;
 			}
-			y = ypml->ypml_next;
+			y = ypml->next;
 			free(ypml);
 		}
 		break;
 	case YPERR_YPBIND:
-		errx(ERR_NOYPBIND, "not running ypbind");
+		errx(1, "not running ypbind");
 	default:
-		errx(ERR_NOMASTER, "can't get map list for domain %s: reason: %s",
-			domnam, yperr_string(r));
+		errx(1, "can't get map list for domain %s: reason: %s",
+		    domain, yperr_string(r));
 	}
 	exit(0);
 }

Modified: head/usr.sbin/ypserv/Makefile
==============================================================================
--- head/usr.sbin/ypserv/Makefile	Tue Aug 25 15:14:50 2015	(r287128)
+++ head/usr.sbin/ypserv/Makefile	Tue Aug 25 15:27:32 2015	(r287129)
@@ -1,12 +1,14 @@
 # $FreeBSD$
 
 RPCDIR=	${.CURDIR}/../../include/rpcsvc
-.PATH: ${RPCDIR}
+.PATH: ${RPCDIR} \
+       ${.CURDIR}/common
 
 PROG=	ypserv
 MAN=	ypserv.8 ypinit.8
 SRCS=	yp_svc.c yp_server.c yp_dblookup.c yp_dnslookup.c \
-	ypxfr_clnt.c yp.h yp_main.c yp_error.c yp_access.c yp_svc_udp.c
+	ypxfr_clnt.c yp.h yp_main.c yp_error.c yp_access.c yp_svc_udp.c \
+	yplib_host.c
 
 CFLAGS+= -DDB_CACHE -DTCP_WRAPPER -I.
 

Added: head/usr.sbin/ypserv/common/yplib_host.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/usr.sbin/ypserv/common/yplib_host.c	Tue Aug 25 15:27:32 2015	(r287129)
@@ -0,0 +1,356 @@
+/*	$OpenBSD: yplib_host.c,v 1.18 2015/01/16 06:40:22 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993 Theo de Raadt <deraadt at theos.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/file.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <rpc/rpc.h>
+#include <rpc/xdr.h>
+#include <rpcsvc/yp.h>
+#include <rpcsvc/ypclnt.h>
+
+#include "yplib_host.h"
+
+extern int (*ypresp_allfn)(u_long, char *, int, char *, int, void *);
+extern void *ypresp_data;
+extern bool_t xdr_ypreq_key(), xdr_ypresp_val();
+extern bool_t xdr_ypresp_all_seq();
+
+static int _yplib_host_timeout = 10;
+
+CLIENT *
+yp_bind_host(char *server, u_long program, u_long version, u_short port,
+    int usetcp)
+{
+	struct sockaddr_in rsrv_sin;
+	static CLIENT *client;
+	struct hostent *h;
+	struct timeval tv;
+	int rsrv_sock;
+
+	memset(&rsrv_sin, 0, sizeof rsrv_sin);
+	rsrv_sin.sin_len = sizeof rsrv_sin;
+	rsrv_sin.sin_family = AF_INET;
+	rsrv_sock = RPC_ANYSOCK;
+	if (port != 0)
+		rsrv_sin.sin_port = htons(port);
+
+	if (*server >= '0' && *server <= '9') {
+		if (inet_aton(server, &rsrv_sin.sin_addr) == 0) {
+			errx(1, "inet_aton: invalid address %s.",
+			    server);
+		}
+	} else {
+		h = gethostbyname(server);
+		if (h == NULL) {
+			errx(1, "gethostbyname: unknown host %s.",
+			    server);
+		}
+		rsrv_sin.sin_addr.s_addr = *(u_int32_t *)h->h_addr;
+	}
+
+	tv.tv_sec = 10;
+	tv.tv_usec = 0;
+
+	if (usetcp)
+		client = clnttcp_create(&rsrv_sin, program, version,
+		    &rsrv_sock, 0, 0);
+	else
+		client = clntudp_create(&rsrv_sin, program, version, tv,
+		    &rsrv_sock);
+
+	if (client == NULL) {
+		errx(1, "clntudp_create: no contact with host %s.",
+		    server);
+	}
+
+	return (client);
+}
+
+CLIENT *
+yp_bind_local(u_long program, u_long version)
+{
+	struct sockaddr_in rsrv_sin;
+	static CLIENT *client;
+	struct timeval tv;
+	int rsrv_sock;
+
+	memset(&rsrv_sin, 0, sizeof rsrv_sin);
+	rsrv_sin.sin_len = sizeof rsrv_sin;
+	rsrv_sin.sin_family = AF_INET;
+	rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	rsrv_sock = RPC_ANYSOCK;
+
+	tv.tv_sec = 10;
+	tv.tv_usec = 0;
+
+	client = clntudp_create(&rsrv_sin, program, version, tv, &rsrv_sock);
+	if (client == NULL) {
+		errx(1, "clntudp_create: no contact with localhost.");
+	}
+
+	return (client);
+}
+
+int
+yp_match_host(CLIENT *client, char *indomain, char *inmap, const char *inkey,
+    int inkeylen, char **outval, int *outvallen)
+{
+	struct ypresp_val yprv;
+	struct ypreq_key yprk;
+	struct timeval tv;
+	int r;
+
+	*outval = NULL;
+	*outvallen = 0;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	yprk.domain = indomain;
+	yprk.map = inmap;
+	yprk.key.keydat_val = (char *)inkey;
+	yprk.key.keydat_len = inkeylen;
+
+	memset(&yprv, 0, sizeof yprv);
+
+	r = clnt_call(client, YPPROC_MATCH,
+	    (xdrproc_t)xdr_ypreq_key, &yprk,
+	    (xdrproc_t)xdr_ypresp_val, &yprv, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_match_host: clnt_call");
+	if ( !(r = ypprot_err(yprv.stat)) ) {
+		*outvallen = yprv.val.valdat_len;
+		*outval = malloc(*outvallen + 1);
+		memcpy(*outval, yprv.val.valdat_val, *outvallen);
+		(*outval)[*outvallen] = '\0';
+	}
+	xdr_free((xdrproc_t)xdr_ypresp_val, (char *)&yprv);
+
+	return (r);
+}
+
+int
+yp_first_host(CLIENT *client, char *indomain, char *inmap, char **outkey,
+    int *outkeylen, char **outval, int *outvallen)
+{
+	struct ypresp_key_val yprkv;
+	struct ypreq_nokey yprnk;
+	struct timeval tv;
+	int r;
+
+	*outkey = *outval = NULL;
+	*outkeylen = *outvallen = 0;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	yprnk.domain = indomain;
+	yprnk.map = inmap;
+	memset(&yprkv, 0, sizeof yprkv);
+
+	r = clnt_call(client, YPPROC_FIRST,
+	    (xdrproc_t)xdr_ypreq_nokey, &yprnk,
+	    (xdrproc_t)xdr_ypresp_key_val, &yprkv, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_first_host: clnt_call");
+	if ( !(r = ypprot_err(yprkv.stat)) ) {
+		*outkeylen = yprkv.key.keydat_len;
+		*outkey = malloc(*outkeylen+1);
+		memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
+		(*outkey)[*outkeylen] = '\0';
+		*outvallen = yprkv.val.valdat_len;
+		*outval = malloc(*outvallen+1);
+		memcpy(*outval, yprkv.val.valdat_val, *outvallen);
+		(*outval)[*outvallen] = '\0';
+	}
+	xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)&yprkv);
+
+	return (r);
+}
+
+int
+yp_next_host(CLIENT *client, char *indomain, char *inmap, char *inkey,
+    int inkeylen, char **outkey, int *outkeylen, char **outval, int *outvallen)
+{
+	struct ypresp_key_val yprkv;
+	struct ypreq_key yprk;
+	struct timeval tv;
+	int r;
+
+	*outkey = *outval = NULL;
+	*outkeylen = *outvallen = 0;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	yprk.domain = indomain;
+	yprk.map = inmap;
+	yprk.key.keydat_val = inkey;
+	yprk.key.keydat_len = inkeylen;
+	memset(&yprkv, 0, sizeof yprkv);
+
+	r = clnt_call(client, YPPROC_NEXT,
+	    (xdrproc_t)xdr_ypreq_key, &yprk,
+	    (xdrproc_t)xdr_ypresp_key_val, &yprkv, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_next_host: clnt_call");
+	if ( !(r = ypprot_err(yprkv.stat)) ) {
+		*outkeylen = yprkv.key.keydat_len;
+		*outkey = malloc(*outkeylen+1);
+		memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
+		(*outkey)[*outkeylen] = '\0';
+		*outvallen = yprkv.val.valdat_len;
+		*outval = malloc(*outvallen+1);
+		memcpy(*outval, yprkv.val.valdat_val, *outvallen);
+		(*outval)[*outvallen] = '\0';
+	}
+	xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)&yprkv);
+
+	return (r);
+}
+
+int
+yp_all_host(CLIENT *client, char *indomain, char *inmap,
+    struct ypall_callback *incallback)
+{
+	struct ypreq_nokey yprnk;
+	struct timeval tv;
+	u_long status;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	yprnk.domain = indomain;
+	yprnk.map = inmap;
+	ypresp_allfn = incallback->foreach;
+	ypresp_data = (void *)incallback->data;
+
+	(void) clnt_call(client, YPPROC_ALL,
+	    (xdrproc_t)xdr_ypreq_nokey, &yprnk,
+	    (xdrproc_t)xdr_ypresp_all_seq, &status, tv);
+	if (status != YP_FALSE)
+		return ypprot_err(status);
+
+	return (0);
+}
+
+int
+yp_order_host(CLIENT *client, char *indomain, char *inmap, u_int32_t *outorder)
+{
+	struct ypresp_order ypro;
+	struct ypreq_nokey yprnk;
+	struct timeval tv;
+	int r;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	yprnk.domain = indomain;
+	yprnk.map = inmap;
+
+	memset(&ypro, 0, sizeof ypro);
+
+	r = clnt_call(client, YPPROC_ORDER,
+	    (xdrproc_t)xdr_ypreq_nokey, &yprnk,
+	    (xdrproc_t)xdr_ypresp_order, &ypro, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_order_host: clnt_call");
+	*outorder = ypro.ordernum;
+	xdr_free((xdrproc_t)xdr_ypresp_order, (char *)&ypro);
+
+	return ypprot_err(ypro.stat);
+}
+
+int
+yp_master_host(CLIENT *client, char *indomain, char *inmap, char **outname)
+{
+	struct ypresp_master yprm;
+	struct ypreq_nokey yprnk;
+	struct timeval tv;
+	int r;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+	yprnk.domain = indomain;
+	yprnk.map = inmap;
+
+	memset(&yprm, 0, sizeof yprm);
+
+	r = clnt_call(client, YPPROC_MASTER,
+	    (xdrproc_t)xdr_ypreq_nokey, &yprnk,
+	    (xdrproc_t)xdr_ypresp_master, &yprm, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_master: clnt_call");
+	if (!(r = ypprot_err(yprm.stat)))
+		*outname = strdup(yprm.peer);
+	xdr_free((xdrproc_t)xdr_ypresp_master, (char *)&yprm);
+
+	return (r);
+}
+
+int
+yp_maplist_host(CLIENT *client, char *indomain, struct ypmaplist **outmaplist)
+{
+	struct ypresp_maplist ypml;
+	struct timeval tv;
+	int r;
+
+	tv.tv_sec = _yplib_host_timeout;
+	tv.tv_usec = 0;
+
+	memset(&ypml, 0, sizeof ypml);
+
+	r = clnt_call(client, YPPROC_MAPLIST,
+	    (xdrproc_t)xdr_domainname, &indomain,
+	    (xdrproc_t)xdr_ypresp_maplist, &ypml, tv);
+	if (r != RPC_SUCCESS)
+		clnt_perror(client, "yp_maplist: clnt_call");
+	*outmaplist = ypml.maps;
+	/* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
+
+	return ypprot_err(ypml.stat);
+}

Added: head/usr.sbin/ypserv/common/yplib_host.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/usr.sbin/ypserv/common/yplib_host.h	Tue Aug 25 15:27:32 2015	(r287129)
@@ -0,0 +1,53 @@
+/*	$OpenBSD: yplib_host.h,v 1.8 2003/06/02 04:12:38 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993 Theo de Raadt <deraadt at theos.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _YPLIB_HOST_H_
+#define _YPLIB_HOST_H_
+
+int	yp_match_host(CLIENT *client, char *indomain, char *inmap,
+	    const char *inkey, int inkeylen, char **outval, int *outvallen);
+int	yp_first_host(CLIENT *client, char *indomain, char *inmap,
+	    char **outkey, int *outkeylen, char **outval, int *outvallen);
+int	yp_next_host(CLIENT *client, char *indomain, char *inmap, char *inkey,
+	    int inkeylen, char **outkey, int *outkeylen, char **outval,
+	    int *outvallen);
+int	yp_master_host(CLIENT *client, char *indomain, char *inmap,
+	    char **outname);
+int	yp_order_host(CLIENT *client, char *indomain, char *inmap,
+	    u_int32_t *outorder);
+int	yp_all_host(CLIENT *client, char *indomain, char *inmap,
+	    struct ypall_callback *incallback);
+int	yp_maplist_host(CLIENT *client, char *indomain,
+	    struct ypmaplist **outmaplist);
+CLIENT *yp_bind_local(u_long program, u_long version);
+CLIENT *yp_bind_host(char *server, u_long program, u_long version,
+	    u_short port, int usetcp);
+
+#endif /* _YPLIB_HOST_H_ */


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