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 #include "includes.h" 26 RCSID("$OpenBSD: auth2-kbdint.c,v 1.2 2002/05/31 11:35:15 markus Exp $"); 27 28 #include "packet.h" 29 #include "auth.h" 30 #include "log.h" 31 #include "servconf.h" 32 #include "xmalloc.h" 33 34 /* import */ 35 extern ServerOptions options; 36 37 static int 38 userauth_kbdint(Authctxt *authctxt) 39 { 40 int authenticated = 0; 41 char *lang, *devs; 42 43 lang = packet_get_string(NULL); 44 devs = packet_get_string(NULL); 45 packet_check_eom(); 46 47 debug("keyboard-interactive devs %s", devs); 48 49 if (options.challenge_response_authentication) 50 authenticated = auth2_challenge(authctxt, devs); 51 52 #ifdef USE_PAM 53 if (authenticated == 0 && options.pam_authentication_via_kbd_int) 54 authenticated = auth2_pam(authctxt); 55 #endif 56 xfree(devs); 57 xfree(lang); 58 #ifdef HAVE_CYGWIN 59 if (check_nt_auth(0, authctxt->pw) == 0) 60 return(0); 61 #endif 62 return authenticated; 63 } 64 65 Authmethod method_kbdint = { 66 "keyboard-interactive", 67 userauth_kbdint, 68 &options.kbd_interactive_authentication 69 }; 70