diff options
Diffstat (limited to 'crypto/openssh/auth-chall.c')
| -rw-r--r-- | crypto/openssh/auth-chall.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/crypto/openssh/auth-chall.c b/crypto/openssh/auth-chall.c deleted file mode 100644 index 6fff89273331..000000000000 --- a/crypto/openssh/auth-chall.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (c) 2001 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("$OpenBSD: auth-chall.c,v 1.8 2001/05/18 14:13:28 markus Exp $"); -RCSID("$FreeBSD$"); - -#include "auth.h" -#include "log.h" -#include "xmalloc.h" - -/* limited protocol v1 interface to kbd-interactive authentication */ - -extern KbdintDevice *devices[]; -static KbdintDevice *device; - -char * -get_challenge(Authctxt *authctxt) -{ - char *challenge, *name, *info, **prompts; - u_int i, numprompts; - u_int *echo_on; - - device = devices[0]; /* we always use the 1st device for protocol 1 */ - if (device == NULL) - return NULL; - if ((authctxt->kbdintctxt = device->init_ctx(authctxt)) == NULL) - return NULL; - if (device->query(authctxt->kbdintctxt, &name, &info, - &numprompts, &prompts, &echo_on)) { - device->free_ctx(authctxt->kbdintctxt); - authctxt->kbdintctxt = NULL; - return NULL; - } - if (numprompts < 1) - fatal("get_challenge: numprompts < 1"); - challenge = xstrdup(prompts[0]); - for (i = 0; i < numprompts; i++) - xfree(prompts[i]); - xfree(prompts); - xfree(name); - xfree(echo_on); - xfree(info); - - return (challenge); -} -int -verify_response(Authctxt *authctxt, const char *response) -{ - char *resp[1]; - int res; - - if (device == NULL) - return 0; - if (authctxt->kbdintctxt == NULL) - return 0; - resp[0] = (char *)response; - res = device->respond(authctxt->kbdintctxt, 1, resp); - if (res == 1) { - /* postponed - send a null query just in case */ - char *name, *info, **prompts; - u_int i, numprompts, *echo_on; - - res = device->query(authctxt->kbdintctxt, &name, &info, - &numprompts, &prompts, &echo_on); - if (res == 0) { - for (i = 0; i < numprompts; i++) - xfree(prompts[i]); - xfree(prompts); - xfree(name); - xfree(echo_on); - xfree(info); - } - /* if we received more prompts, we're screwed */ - res = (res == 0 && numprompts == 0) ? 0 : -1; - } - device->free_ctx(authctxt->kbdintctxt); - authctxt->kbdintctxt = NULL; - return res ? 0 : 1; -} -void -abandon_challenge_response(Authctxt *authctxt) -{ - if (authctxt->kbdintctxt != NULL) { - device->free_ctx(authctxt->kbdintctxt); - authctxt->kbdintctxt = NULL; - } -} |