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