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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/ypwhich/ypwhich.c	Lines:	0	121	0.0 %
Date:	2017-11-07	Branches:	0	61	0.0 %


/*	$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, 1993 Theo de Raadt <deraadt@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/types.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <arpa/inet.h>

#include <ctype.h>
#include <err.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>

#include "yplib_host.h"

struct ypalias {
	char *alias, *name;
} ypaliases[] = {
	{ "passwd", "passwd.byname" },
	{ "group", "group.byname" },
	{ "networks", "networks.byaddr" },
	{ "hosts", "hosts.byaddr" },
	{ "protocols", "protocols.bynumber" },
	{ "services", "services.byname" },
	{ "aliases", "mail.aliases" },
	{ "ethers", "ethers.byname" },
};

int	bind_host(char *dom, struct sockaddr_in *sin);

static void
usage(void)
{
	fprintf(stderr,
	    "usage: ypwhich [-t] [-d domain] [[-h] host]\n"
	    "       ypwhich [-t] [-d domain] [-h host] -m [mname]\n"
	    "       ypwhich -x\n");
	exit(1);
}


/*
 * Like yp_bind except can query a specific host
 */
int
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;

	sock = RPC_ANYSOCK;
	tv.tv_sec = 15;
	tv.tv_usec = 0;
	client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);

	if (client == NULL) {
		fprintf(stderr, "ypwhich: host is not bound to a ypmaster\n");
		return YPERR_YPBIND;
	}

	tv.tv_sec = 5;
	tv.tv_usec = 0;

	r = clnt_call(client, YPBINDPROC_DOMAIN,
	    xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv);
	if (r != RPC_SUCCESS) {
		fprintf(stderr, "can't clnt_call: %s\n",
		    yperr_string(YPERR_YPBIND));
		clnt_destroy(client);
		return YPERR_YPBIND;
	} else {
		if (ypbr.ypbind_status != YPBIND_SUCC_VAL) {
			fprintf(stderr, "can't yp_bind: Reason: %s\n",
			    yperr_string(ypbr.ypbind_status));
			clnt_destroy(client);
			return r;
		}
	}
	clnt_destroy(client);

	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 *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;
	CLIENT *client = NULL;

	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<sizeof ypaliases/sizeof ypaliases[0]; i++)
				printf("Use \"%s\" for \"%s\"\n",
				    ypaliases[i].alias, ypaliases[i].name);
			exit(0);
		case 'h':
			host = optarg;
			break;
		case 'd':
			domain = optarg;
			break;
		case 't':
			notrans = 1;
			break;
		case 'm':
			mode = 1;
			break;
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (mode == 0) {
		switch (argc) {
		case 0:
			memset(&sin, 0, sizeof sin);
			sin.sin_family = AF_INET;
			sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);

			if (bind_host(domain, &sin))
				exit(1);
			break;
		case 1:
			bzero(&sin, sizeof sin);
			sin.sin_family = AF_INET;
			if (inet_aton(argv[0], &sin.sin_addr) == 0) {
				hent = gethostbyname(argv[0]);
				if (!hent) {
					fprintf(stderr, "ypwhich: host %s unknown\n",
					    argv[0]);
					exit(1);
				}
				bcopy(hent->h_addr, &sin.sin_addr,
				    sizeof sin.sin_addr);
			}
			if (bind_host(domain, &sin))
				exit(1);
			break;
		default:
			usage();
		}
		exit(0);
	}

	if (argc > 1)
		usage();

	if (host != NULL)
		client = yp_bind_host(host, YPPROG, YPVERS, 0, 1);

	if (argv[0]) {
		map = argv[0];
		for (i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
			if (strcmp(map, ypaliases[i].alias) == 0)
				map = ypaliases[i].name;

		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:
			fprintf(stderr, "ypwhich: not running ypbind\n");
			exit(1);
		default:
			fprintf(stderr, "Can't find master for map %s. Reason: %s\n",
			    map, yperr_string(r));
			exit(1);
		}
		exit(0);
	}

	ypml = NULL;
	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; ) {
			ypml = y;
			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->map, master);
				free(master);
				break;
			default:
				fprintf(stderr,
				    "YP: can't find the master of %s: Reason: %s\n",
				    ypml->map, yperr_string(r));
				break;
			}
			y = ypml->next;
			free(ypml);
		}
		break;
	case YPERR_YPBIND:
		fprintf(stderr, "ypwhich: not running ypbind\n");
		exit(1);
	default:
		fprintf(stderr, "Can't get map list for domain %s. Reason: %s\n",
		    domain, yperr_string(r));
		exit(1);
	}
	exit(0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ypwhich.c,v 1.23 2015/02/08 23:40:35 deraadt Exp $ */
2			/* $NetBSD: ypwhich.c,v 1.6 1996/05/13 02:43:48 thorpej Exp $ */
3
4			/*
5			* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
6			* All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18			* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19			* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
21			* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27			* SUCH DAMAGE.
28			*/
29
30			#include <sys/types.h>
31			#include <sys/socket.h>
32
33			#include <netinet/in.h>
34			#include <arpa/inet.h>
35
36			#include <ctype.h>
37			#include <err.h>
38			#include <netdb.h>
39			#include <stdio.h>
40			#include <stdlib.h>
41			#include <string.h>
42			#include <unistd.h>
43
44			#include <rpc/rpc.h>
45			#include <rpc/xdr.h>
46			#include <rpcsvc/yp.h>
47			#include <rpcsvc/ypclnt.h>
48
49			#include "yplib_host.h"
50
51			struct ypalias {
52			char alias, name;
53			} ypaliases[] = {
54			{ "passwd", "passwd.byname" },
55			{ "group", "group.byname" },
56			{ "networks", "networks.byaddr" },
57			{ "hosts", "hosts.byaddr" },
58			{ "protocols", "protocols.bynumber" },
59			{ "services", "services.byname" },
60			{ "aliases", "mail.aliases" },
61			{ "ethers", "ethers.byname" },
62			};
63
64			int bind_host(char dom, struct sockaddr_in sin);
65
66			static void
67			usage(void)
68			{
69			fprintf(stderr,
70			"usage: ypwhich [-t] [-d domain] [[-h] host]\n"
71			" ypwhich [-t] [-d domain] [-h host] -m [mname]\n"
72			" ypwhich -x\n");
73			exit(1);
74			}
75
76
77			/*
78			* Like yp_bind except can query a specific host
79			*/
80			int
81			bind_host(char dom, struct sockaddr_in sin)
82			{
83			struct hostent *hent = NULL;
84			struct ypbind_resp ypbr;
85			struct in_addr ss_addr;
86			struct timeval tv;
87			CLIENT *client;
88			int sock, r;
89
90			sock = RPC_ANYSOCK;
91			tv.tv_sec = 15;
92			tv.tv_usec = 0;
93			client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);
94
95			if (client == NULL) {
96			fprintf(stderr, "ypwhich: host is not bound to a ypmaster\n");
97			return YPERR_YPBIND;
98			}
99
100			tv.tv_sec = 5;
101			tv.tv_usec = 0;
102
103			r = clnt_call(client, YPBINDPROC_DOMAIN,
104			xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv);
105			if (r != RPC_SUCCESS) {
106			fprintf(stderr, "can't clnt_call: %s\n",
107			yperr_string(YPERR_YPBIND));
108			clnt_destroy(client);
109			return YPERR_YPBIND;
110			} else {
111			if (ypbr.ypbind_status != YPBIND_SUCC_VAL) {
112			fprintf(stderr, "can't yp_bind: Reason: %s\n",
113			yperr_string(ypbr.ypbind_status));
114			clnt_destroy(client);
115			return r;
116			}
117			}
118			clnt_destroy(client);
119
120			memmove(&ss_addr.s_addr, &ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr,
121			sizeof (ss_addr));
122
123			hent = gethostbyaddr((char *)&ss_addr.s_addr, sizeof(ss_addr.s_addr),
124			AF_INET);
125			if (hent != NULL)
126			printf("%s\n", hent->h_name);
127			else
128			printf("%s\n", inet_ntoa(ss_addr));
129
130			return 0;
131			}
132
133			int
134			main(int argc, char *argv[])
135			{
136			char domain, master, map = NULL, host = NULL;
137			int notrans = 0, mode = 0, c, r, i;
138			struct ypmaplist ypml, y;
139			struct sockaddr_in sin;
140			struct hostent *hent;
141			CLIENT *client = NULL;
142
143			yp_get_default_domain(&domain);
144			if (domain == NULL)
145			errx(1, "YP domain name not set");
146
147			while ((c = getopt(argc, argv, "xd:h:mt")) != -1)
148			switch (c) {
149			case 'x':
150			for (i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
151			printf("Use \"%s\" for \"%s\"\n",
152			ypaliases[i].alias, ypaliases[i].name);
153			exit(0);
154			case 'h':
155			host = optarg;
156			break;
157			case 'd':
158			domain = optarg;
159			break;
160			case 't':
161			notrans = 1;
162			break;
163			case 'm':
164			mode = 1;
165			break;
166			default:
167			usage();
168			}
169			argc -= optind;
170			argv += optind;
171
172			if (mode == 0) {
173			switch (argc) {
174			case 0:
175			memset(&sin, 0, sizeof sin);
176			sin.sin_family = AF_INET;
177			sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
178
179			if (bind_host(domain, &sin))
180			exit(1);
181			break;
182			case 1:
183			bzero(&sin, sizeof sin);
184			sin.sin_family = AF_INET;
185			if (inet_aton(argv[0], &sin.sin_addr) == 0) {
186			hent = gethostbyname(argv[0]);
187			if (!hent) {
188			fprintf(stderr, "ypwhich: host %s unknown\n",
189			argv[0]);
190			exit(1);
191			}
192			bcopy(hent->h_addr, &sin.sin_addr,
193			sizeof sin.sin_addr);
194			}
195			if (bind_host(domain, &sin))
196			exit(1);
197			break;
198			default:
199			usage();
200			}
201			exit(0);
202			}
203
204			if (argc > 1)
205			usage();
206
207			if (host != NULL)
208			client = yp_bind_host(host, YPPROG, YPVERS, 0, 1);
209
210			if (argv[0]) {
211			map = argv[0];
212			for (i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
213			if (strcmp(map, ypaliases[i].alias) == 0)
214			map = ypaliases[i].name;
215
216			if (host != NULL)
217			r = yp_master_host(client, domain, map, &master);
218			else
219			r = yp_master(domain, map, &master);
220
221			switch (r) {
222			case 0:
223			printf("%s\n", master);
224			free(master);
225			break;
226			case YPERR_YPBIND:
227			fprintf(stderr, "ypwhich: not running ypbind\n");
228			exit(1);
229			default:
230			fprintf(stderr, "Can't find master for map %s. Reason: %s\n",
231			map, yperr_string(r));
232			exit(1);
233			}
234			exit(0);
235			}
236
237			ypml = NULL;
238			if (host != NULL)
239			r = yp_maplist_host(client, domain, &ypml);
240			else
241			r = yp_maplist(domain, &ypml);
242
243			r = 0;
244			switch (r) {
245			case 0:
246			for (y = ypml; y; ) {
247			ypml = y;
248			if (host != NULL) {
249			r = yp_master_host(client,
250			domain, ypml->map, &master);
251			} else {
252			r = yp_master(domain, ypml->map, &master);
253			}
254			switch (r) {
255			case 0:
256			printf("%s %s\n", ypml->map, master);
257			free(master);
258			break;
259			default:
260			fprintf(stderr,
261			"YP: can't find the master of %s: Reason: %s\n",
262			ypml->map, yperr_string(r));
263			break;
264			}
265			y = ypml->next;
266			free(ypml);
267			}
268			break;
269			case YPERR_YPBIND:
270			fprintf(stderr, "ypwhich: not running ypbind\n");
271			exit(1);
272			default:
273			fprintf(stderr, "Can't get map list for domain %s. Reason: %s\n",
274			domain, yperr_string(r));
275			exit(1);
276			}
277			exit(0);
278			}