1*86d7f5d3SJohn Marino /*
2*86d7f5d3SJohn Marino * Copyright (c) 1995, 1996
3*86d7f5d3SJohn Marino * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4*86d7f5d3SJohn Marino *
5*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without
6*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions
7*86d7f5d3SJohn Marino * are met:
8*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright
9*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer.
10*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
11*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the
12*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution.
13*86d7f5d3SJohn Marino * 3. All advertising materials mentioning features or use of this software
14*86d7f5d3SJohn Marino * must display the following acknowledgement:
15*86d7f5d3SJohn Marino * This product includes software developed by Bill Paul.
16*86d7f5d3SJohn Marino * 4. Neither the name of the author nor the names of any co-contributors
17*86d7f5d3SJohn Marino * may be used to endorse or promote products derived from this software
18*86d7f5d3SJohn Marino * without specific prior written permission.
19*86d7f5d3SJohn Marino *
20*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*86d7f5d3SJohn Marino * SUCH DAMAGE.
31*86d7f5d3SJohn Marino *
32*86d7f5d3SJohn Marino * $FreeBSD: src/lib/librpcsvc/yp_passwd.c,v 1.7 2003/10/26 03:43:35 peter Exp $
33*86d7f5d3SJohn Marino * $DragonFly: src/lib/librpcsvc/yp_passwd.c,v 1.3 2007/11/25 14:33:02 swildner Exp $
34*86d7f5d3SJohn Marino */
35*86d7f5d3SJohn Marino
36*86d7f5d3SJohn Marino #include <stdlib.h>
37*86d7f5d3SJohn Marino #include <rpc/rpc.h>
38*86d7f5d3SJohn Marino #include <rpcsvc/yp_prot.h>
39*86d7f5d3SJohn Marino #include <rpcsvc/ypclnt.h>
40*86d7f5d3SJohn Marino #include <rpcsvc/yppasswd.h>
41*86d7f5d3SJohn Marino #include <netinet/in.h>
42*86d7f5d3SJohn Marino
43*86d7f5d3SJohn Marino /*
44*86d7f5d3SJohn Marino * XXX <rpcsvc/yppasswd.h> does a typedef that makes 'yppasswd'
45*86d7f5d3SJohn Marino * a type of struct yppasswd. This leads to a namespace collision:
46*86d7f5d3SJohn Marino * gcc will not let you have a type called yppasswd and a function
47*86d7f5d3SJohn Marino * called yppasswd(). In order to get around this, we call the
48*86d7f5d3SJohn Marino * actual function _yppasswd() and put a macro called yppasswd()
49*86d7f5d3SJohn Marino * in yppasswd.h which calls the underlying function, thereby
50*86d7f5d3SJohn Marino * fooling gcc.
51*86d7f5d3SJohn Marino */
52*86d7f5d3SJohn Marino
53*86d7f5d3SJohn Marino int
_yppasswd(char * oldpass,struct x_passwd * newpw)54*86d7f5d3SJohn Marino _yppasswd(char *oldpass, struct x_passwd *newpw)
55*86d7f5d3SJohn Marino {
56*86d7f5d3SJohn Marino char *server;
57*86d7f5d3SJohn Marino char *domain;
58*86d7f5d3SJohn Marino int rval, result;
59*86d7f5d3SJohn Marino struct yppasswd yppasswd;
60*86d7f5d3SJohn Marino
61*86d7f5d3SJohn Marino yppasswd.newpw = *newpw;
62*86d7f5d3SJohn Marino yppasswd.oldpass = oldpass;
63*86d7f5d3SJohn Marino
64*86d7f5d3SJohn Marino if (yp_get_default_domain(&domain))
65*86d7f5d3SJohn Marino return (-1);
66*86d7f5d3SJohn Marino
67*86d7f5d3SJohn Marino if (yp_master(domain, "passwd.byname", &server))
68*86d7f5d3SJohn Marino return(-1);
69*86d7f5d3SJohn Marino
70*86d7f5d3SJohn Marino rval = getrpcport(server, YPPASSWDPROG,
71*86d7f5d3SJohn Marino YPPASSWDPROC_UPDATE, IPPROTO_UDP);
72*86d7f5d3SJohn Marino
73*86d7f5d3SJohn Marino if (rval == 0 || rval >= IPPORT_RESERVED) {
74*86d7f5d3SJohn Marino free(server);
75*86d7f5d3SJohn Marino return(-1);
76*86d7f5d3SJohn Marino }
77*86d7f5d3SJohn Marino
78*86d7f5d3SJohn Marino rval = callrpc(server, YPPASSWDPROG, YPPASSWDVERS, YPPASSWDPROC_UPDATE,
79*86d7f5d3SJohn Marino (xdrproc_t)xdr_yppasswd, (char *)&yppasswd,
80*86d7f5d3SJohn Marino (xdrproc_t)xdr_int, (char *)&result);
81*86d7f5d3SJohn Marino
82*86d7f5d3SJohn Marino free(server);
83*86d7f5d3SJohn Marino if (rval || result)
84*86d7f5d3SJohn Marino return(-1);
85*86d7f5d3SJohn Marino else
86*86d7f5d3SJohn Marino return(0);
87*86d7f5d3SJohn Marino }
88