/* $NetBSD: auth2-kbdint.c,v 1.10.2.1 2023/12/25 12:31:03 martin Exp $ */ /* $OpenBSD: auth2-kbdint.c,v 1.14 2021/12/19 22:12:07 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" __RCSID("$NetBSD: auth2-kbdint.c,v 1.10.2.1 2023/12/25 12:31:03 martin Exp $"); #include #include #include #include #include "xmalloc.h" #include "packet.h" #include "hostfile.h" #include "auth.h" #include "log.h" #include "misc.h" #include "servconf.h" #include "ssherr.h" /* import */ extern ServerOptions options; static int userauth_kbdint(struct ssh *ssh, const char *method) { int r, authenticated = 0; char *lang, *devs; if ((r = sshpkt_get_cstring(ssh, &lang, NULL)) != 0 || (r = sshpkt_get_cstring(ssh, &devs, NULL)) != 0 || (r = sshpkt_get_end(ssh)) != 0) fatal_fr(r, "parse packet"); debug("keyboard-interactive devs %s", devs); if (options.kbd_interactive_authentication) authenticated = auth2_challenge(ssh, devs); free(devs); free(lang); return authenticated; } Authmethod method_kbdint = { "keyboard-interactive", NULL, userauth_kbdint, &options.kbd_interactive_authentication };