summaryrefslogtreecommitdiffstats
path: root/usr.sbin/ypset/ypset.c
blob: c7a3e047b9fdb5e50d74b52abf2e89b522c44c49 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/*
 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
 * 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.
 * 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
 * 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.
 */

#ifndef lint
static const char rcsid[] =
  "$FreeBSD$";
#endif /* not lint */

#include <err.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp.h>
struct dom_binding{};
#include <rpcsvc/ypclnt.h>
#include <arpa/inet.h>

extern bool_t xdr_domainname();

static void
usage()
{
	fprintf(stderr, "usage: ypset [-h host] [-d domain] server\n");
	exit(1);
}

int
bind_tohost(sin, dom, server)
struct sockaddr_in *sin;
char *dom, *server;
{
	struct ypbind_setdom ypsd;
	struct timeval tv;
	struct hostent *hp;
	CLIENT *client;
	int sock, port;
	int r;
	unsigned long server_addr;

	if( (port=htons(getrpcport(server, YPPROG, YPPROC_NULL, IPPROTO_UDP))) == 0)
		errx(1, "%s not running ypserv", server);

	bzero(&ypsd, sizeof ypsd);

	if( (hp = gethostbyname (server)) != NULL ) {
		/* is this the most compatible way?? */
		bcopy (hp->h_addr_list[0],
		       (u_long *)&ypsd.ypsetdom_binding.ypbind_binding_addr,
		       sizeof (unsigned long));
	} else if( (long)(server_addr = inet_addr (server)) == -1) {
		errx(1, "can't find address for %s", server);
	} else
		bcopy (&server_addr,
		       (u_long *)&ypsd.ypsetdom_binding.ypbind_binding_addr,
		       sizeof (server_addr));

/*	strncpy(ypsd.ypsetdom_domain, dom, sizeof ypsd.ypsetdom_domain); */
	ypsd.ypsetdom_domain = dom;
	*(u_long *)&ypsd.ypsetdom_binding.ypbind_binding_port = port;
	ypsd.ypsetdom_vers = YPVERS;

	tv.tv_sec = 15;
	tv.tv_usec = 0;
	sock = RPC_ANYSOCK;
	client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);
	if (client==NULL) {
		warnx("can't yp_bind, reason: %s", yperr_string(YPERR_YPBIND));
		return YPERR_YPBIND;
	}
	client->cl_auth = authunix_create_default();

	r = clnt_call(client, YPBINDPROC_SETDOM,
		xdr_ypbind_setdom, &ypsd, xdr_void, NULL, tv);
	if(r) {
		warnx("sorry, cannot ypset for domain %s on host", dom);
		clnt_destroy(client);
		return YPERR_YPBIND;
	}
	clnt_destroy(client);
	return 0;
}

int
main(argc, argv)
char **argv;
{
	struct sockaddr_in sin;
	struct hostent *hent;
	char *domainname;
	int c;

	yp_get_default_domain(&domainname);

	bzero(&sin, sizeof sin);
	sin.sin_family = AF_INET;
	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);

	while( (c=getopt(argc, argv, "h:d:")) != -1)
		switch(c) {
		case 'd':
			domainname = optarg;
			break;
		case 'h':
			if( (sin.sin_addr.s_addr=inet_addr(optarg)) == -1) {
				hent = gethostbyname(optarg);
				if(hent==NULL)
					errx(1, "host %s unknown", optarg);
				bcopy(&hent->h_addr_list[0], &sin.sin_addr,
					sizeof sin.sin_addr);
			}
			break;
		default:
			usage();
		}

	if(optind + 1 != argc )
		usage();

	if (bind_tohost(&sin, domainname, argv[optind]))
		exit(1);
	exit(0);
}
OpenPOWER on IntegriCloud