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Annotation of src/usr.bin/ssh/auth2-passwd.c, Revision 1.5

1.1       markus      1: /*
                      2:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
                      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     ! dtucker    26: RCSID("$OpenBSD: auth2-passwd.c,v 1.4 2003/08/26 09:58:43 markus Exp $");
1.1       markus     27:
                     28: #include "xmalloc.h"
                     29: #include "packet.h"
                     30: #include "log.h"
                     31: #include "auth.h"
                     32: #include "monitor_wrap.h"
1.2       markus     33: #include "servconf.h"
1.1       markus     34:
1.2       markus     35: /* import */
                     36: extern ServerOptions options;
                     37:
                     38: static int
1.1       markus     39: userauth_passwd(Authctxt *authctxt)
                     40: {
1.5     ! dtucker    41:        char *password, *newpass;
1.1       markus     42:        int authenticated = 0;
                     43:        int change;
1.5     ! dtucker    44:        u_int len, newlen;
        !            45:
1.1       markus     46:        change = packet_get_char();
1.5     ! dtucker    47:        password = packet_get_string(&len);
        !            48:        if (change) {
        !            49:                /* discard new password from packet */
        !            50:                newpass = packet_get_string(&newlen);
        !            51:                memset(newpass, 0, newlen);
        !            52:                xfree(newpass);
        !            53:        }
        !            54:        packet_check_eom();
        !            55:
1.1       markus     56:        if (change)
1.3       itojun     57:                logit("password change not supported");
1.5     ! dtucker    58:        else if (PRIVSEP(auth_password(authctxt, password)) == 1)
1.1       markus     59:                authenticated = 1;
                     60:        memset(password, 0, len);
                     61:        xfree(password);
                     62:        return authenticated;
                     63: }
1.2       markus     64:
                     65: Authmethod method_passwd = {
                     66:        "password",
                     67:        userauth_passwd,
                     68:        &options.password_authentication
                     69: };