GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/yppoll/yppoll.c Lines: 0 73 0.0 %
Date: 2017-11-13 Branches: 0 27 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: yppoll.c,v 1.15 2015/01/16 06:40:22 deraadt Exp $ */
2
/*	$NetBSD: yppoll.c,v 1.5 1996/05/13 02:46:36 thorpej Exp $	*/
3
4
/*
5
 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@openbsd.org>
6
 * Copyright (c) 1992, 1993 John Brezak
7
 * All rights reserved.
8
 *
9
 * Redistribution and use in source and binary forms, with or without
10
 * modification, are permitted provided that the following conditions
11
 * are met:
12
 * 1. Redistributions of source code must retain the above copyright
13
 *    notice, this list of conditions and the following disclaimer.
14
 * 2. Redistributions in binary form must reproduce the above copyright
15
 *    notice, this list of conditions and the following disclaimer in the
16
 *    documentation and/or other materials provided with the distribution.
17
 * 3. The name of the author may not be used to endorse or promote
18
 *    products derived from this software without specific prior written
19
 *    permission.
20
 *
21
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31
 * SUCH DAMAGE.
32
 */
33
34
#include <sys/types.h>
35
#include <sys/socket.h>
36
#include <stdio.h>
37
#include <stdlib.h>
38
#include <time.h>
39
#include <netdb.h>
40
#include <unistd.h>
41
#include <string.h>
42
#include <netinet/in.h>
43
#include <arpa/inet.h>
44
45
#include <rpc/rpc.h>
46
#include <rpc/xdr.h>
47
#include <rpcsvc/yp_prot.h>
48
#include <rpcsvc/ypclnt.h>
49
50
static void
51
usage(void)
52
{
53
	fprintf(stderr, "usage: yppoll [-d domain] [-h host] mapname\n");
54
	exit(1);
55
}
56
57
static int
58
get_remote_info(char *indomain, char *inmap, char *server, int *outorder,
59
    char **outname)
60
{
61
	struct ypresp_order ypro;
62
	struct ypresp_master yprm;
63
	struct ypreq_nokey yprnk;
64
	struct timeval tv;
65
	struct sockaddr_in rsrv_sin;
66
	int rsrv_sock;
67
	CLIENT *client;
68
	struct hostent *h;
69
	int r;
70
71
	bzero((char *)&rsrv_sin, sizeof rsrv_sin);
72
	rsrv_sin.sin_len = sizeof rsrv_sin;
73
	rsrv_sin.sin_family = AF_INET;
74
	rsrv_sock = RPC_ANYSOCK;
75
76
	h = gethostbyname(server);
77
	if (h == NULL) {
78
		if (inet_aton(server, &rsrv_sin.sin_addr) == 0) {
79
			fprintf(stderr, "unknown host %s\n", server);
80
			exit(1);
81
		}
82
	} else
83
		rsrv_sin.sin_addr.s_addr = *(u_int32_t *)h->h_addr;
84
85
	tv.tv_sec = 10;
86
	tv.tv_usec = 0;
87
88
	client = clntudp_create(&rsrv_sin, YPPROG, YPVERS, tv, &rsrv_sock);
89
	if (client == NULL) {
90
		fprintf(stderr, "clntudp_create: no contact with host %s.\n",
91
		    server);
92
		exit(1);
93
	}
94
95
	yprnk.domain = indomain;
96
	yprnk.map = inmap;
97
98
	bzero((char *)(char *)&ypro, sizeof ypro);
99
100
	r = clnt_call(client, YPPROC_ORDER, xdr_ypreq_nokey, &yprnk,
101
	    xdr_ypresp_order, &ypro, tv);
102
	if (r != RPC_SUCCESS)
103
		clnt_perror(client, "yp_order: clnt_call");
104
105
	*outorder = ypro.ordernum;
106
	xdr_free(xdr_ypresp_order, (char *)&ypro);
107
108
	r = ypprot_err(ypro.status);
109
	if (r == RPC_SUCCESS) {
110
		bzero((char *)&yprm, sizeof yprm);
111
112
		r = clnt_call(client, YPPROC_MASTER, xdr_ypreq_nokey,
113
		    &yprnk, xdr_ypresp_master, &yprm, tv);
114
		if (r != RPC_SUCCESS)
115
			clnt_perror(client, "yp_master: clnt_call");
116
		r = ypprot_err(yprm.status);
117
		if (r==0)
118
			*outname = (char *)strdup(yprm.master);
119
		xdr_free(xdr_ypresp_master, (char *)&yprm);
120
	}
121
	clnt_destroy(client);
122
	return r;
123
}
124
125
int
126
main(int argc, char *argv[])
127
{
128
	char *domainname, *hostname = NULL, *inmap, *master;
129
	extern char *optarg;
130
	extern int optind;
131
	int order, c, r;
132
	time_t torder;
133
134
	yp_get_default_domain(&domainname);
135
136
	while ((c=getopt(argc, argv, "h:d:")) != -1)
137
		switch (c) {
138
		case 'd':
139
			domainname = optarg;
140
			break;
141
		case 'h':
142
			hostname = optarg;
143
			break;
144
		default:
145
			usage();
146
			/*NOTREACHED*/
147
		}
148
149
	if (optind + 1 != argc )
150
		usage();
151
	inmap = argv[optind];
152
153
	if (hostname != NULL) {
154
		r = get_remote_info(domainname, inmap, hostname,
155
		    &order, &master);
156
	} else {
157
		r = yp_order(domainname, inmap, &order);
158
		if (r == 0)
159
			r = yp_master(domainname, inmap, &master);
160
	}
161
162
	if (r != 0) {
163
		fprintf(stderr, "No such map %s. Reason: %s\n",
164
		    inmap, yperr_string(r));
165
		exit(1);
166
	}
167
168
	torder = order;
169
	printf("Map %s has order number %lld. %s", inmap,
170
	    (long long)order, ctime(&torder));
171
	printf("The master server is %s.\n", master);
172
	exit(0);
173
}