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Annotation of src/usr.bin/ssh/auth-chall.c, Revision 1.5

1.1       markus      1: /*
1.5     ! deraadt     2:  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
1.1       markus      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"
1.5     ! deraadt    26: RCSID("$OpenBSD: auth-chall.c,v 1.4 2001/02/04 15:32:22 stevesk Exp $");
1.1       markus     27:
                     28: #include "auth.h"
                     29:
                     30: #ifdef SKEY
1.2       markus     31: #include <skey.h>
                     32:
1.1       markus     33: char *
                     34: get_challenge(Authctxt *authctxt, char *devs)
                     35: {
                     36:        static char challenge[1024];
1.4       stevesk    37:        struct skey skey;
1.1       markus     38:        if (skeychallenge(&skey, authctxt->user, challenge) == -1)
                     39:                return NULL;
                     40:        strlcat(challenge, "\nS/Key Password: ", sizeof challenge);
                     41:        return challenge;
                     42: }
                     43: int
                     44: verify_response(Authctxt *authctxt, char *response)
                     45: {
                     46:        return (authctxt->valid &&
                     47:            skey_haskey(authctxt->pw->pw_name) == 0 &&
                     48:            skey_passcheck(authctxt->pw->pw_name, response) != -1);
                     49: }
                     50: #else
                     51: /* not available */
                     52: char *
                     53: get_challenge(Authctxt *authctxt, char *devs)
                     54: {
                     55:        return NULL;
                     56: }
                     57: int
                     58: verify_response(Authctxt *authctxt, char *response)
                     59: {
                     60:        return 0;
                     61: }
                     62: #endif