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