1 /* 2 * Copyright (c) 2000 Markus Friedl. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 /* 25 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #include "includes.h" 30 RCSID("$OpenBSD: auth2-passwd.c,v 1.2 2002/05/31 11:35:15 markus Exp $"); 31 32 #pragma ident "%Z%%M% %I% %E% SMI" 33 34 #include "xmalloc.h" 35 #include "packet.h" 36 #include "log.h" 37 #include "auth.h" 38 #include "servconf.h" 39 40 /* import */ 41 extern ServerOptions options; 42 43 static void 44 userauth_passwd(Authctxt *authctxt) 45 { 46 char *password; 47 int change; 48 u_int len; 49 50 if (!authctxt || !authctxt->method) 51 fatal("%s: missing context", __func__); 52 53 change = packet_get_char(); 54 if (change) 55 log("password change not supported"); 56 password = packet_get_string(&len); 57 packet_check_eom(); 58 if ( 59 #ifdef HAVE_CYGWIN 60 check_nt_auth(1, authctxt->pw) && 61 #endif 62 auth_password(authctxt, password) == 1) { 63 authctxt->method->authenticated = 1; 64 } 65 memset(password, 0, len); 66 xfree(password); 67 } 68 69 Authmethod method_passwd = { 70 "password", 71 &options.password_authentication, 72 userauth_passwd, 73 NULL, /* no abandon function */ 74 NULL, NULL, /* method data and hist data */ 75 1, /* initial userauth */ 76 0, 0, 0, /* counters */ 77 0, 0, 0, 0, 0, 0 /* state */ 78 }; 79