1 /* 2 * Copyright (c) 1995, 1996 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #include <stdlib.h> 36 #include <rpc/rpc.h> 37 #include <rpcsvc/yp_prot.h> 38 #include <rpcsvc/ypclnt.h> 39 #include <rpcsvc/yppasswd.h> 40 #include <netinet/in.h> 41 42 #ifndef LINT 43 static const char rcsid[] = "$FreeBSD$"; 44 #endif 45 46 /* 47 * XXX <rpcsvc/yppasswd.h> does a typedef that makes 'yppasswd' 48 * a type of struct yppasswd. This leads to a namespace collision: 49 * gcc will not let you have a type called yppasswd and a function 50 * called yppasswd(). In order to get around this, we call the 51 * actual function _yppasswd() and put a macro called yppasswd() 52 * in yppasswd.h which calls the underlying function, thereby 53 * fooling gcc. 54 */ 55 56 int _yppasswd(oldpass, newpw) 57 char *oldpass; 58 struct x_passwd *newpw; 59 { 60 char *server; 61 char *domain; 62 int rval, result; 63 struct yppasswd yppasswd; 64 65 yppasswd.newpw = *newpw; 66 yppasswd.oldpass = oldpass; 67 68 if (yp_get_default_domain(&domain)) 69 return (-1); 70 71 if (yp_master(domain, "passwd.byname", &server)) 72 return(-1); 73 74 rval = getrpcport(server, YPPASSWDPROG, 75 YPPASSWDPROC_UPDATE, IPPROTO_UDP); 76 77 if (rval == 0 || rval >= IPPORT_RESERVED) { 78 free(server); 79 return(-1); 80 } 81 82 rval = callrpc(server, YPPASSWDPROG, YPPASSWDVERS, YPPASSWDPROC_UPDATE, 83 xdr_yppasswd, (char *)&yppasswd, xdr_int, &result); 84 85 free(server); 86 if (rval || result) 87 return(-1); 88 else 89 return(0); 90 } 91