1 /* $OpenBSD: auth2-kbdint.c,v 1.8 2017/05/30 14:29:59 markus Exp $ */ 2 /* 3 * Copyright (c) 2000 Markus Friedl. 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include <sys/types.h> 27 28 #include "xmalloc.h" 29 #include "packet.h" 30 #include "key.h" 31 #include "hostfile.h" 32 #include "auth.h" 33 #include "log.h" 34 #include "buffer.h" 35 #include "misc.h" 36 #include "servconf.h" 37 38 /* import */ 39 extern ServerOptions options; 40 41 static int 42 userauth_kbdint(struct ssh *ssh) 43 { 44 int authenticated = 0; 45 char *lang, *devs; 46 47 lang = packet_get_string(NULL); 48 devs = packet_get_string(NULL); 49 packet_check_eom(); 50 51 debug("keyboard-interactive devs %s", devs); 52 53 if (options.challenge_response_authentication) 54 authenticated = auth2_challenge(ssh, devs); 55 56 free(devs); 57 free(lang); 58 return authenticated; 59 } 60 61 Authmethod method_kbdint = { 62 "keyboard-interactive", 63 userauth_kbdint, 64 &options.kbd_interactive_authentication 65 }; 66