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Annotation of src/usr.bin/ssh/auth2-passwd.c, Revision 1.8

1.8     ! stevesk     1: /* $OpenBSD: auth2-passwd.c,v 1.7 2006/03/25 13:17:01 djm Exp $ */
1.1       markus      2: /*
                      3:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  *
                     14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     15:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     16:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     17:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     18:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     19:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     20:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     21:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     22:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     23:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     24:  */
                     25:
                     26: #include "includes.h"
1.8     ! stevesk    27:
        !            28: #include <string.h>
1.1       markus     29:
                     30: #include "xmalloc.h"
                     31: #include "packet.h"
                     32: #include "log.h"
                     33: #include "auth.h"
                     34: #include "monitor_wrap.h"
1.2       markus     35: #include "servconf.h"
1.1       markus     36:
1.2       markus     37: /* import */
                     38: extern ServerOptions options;
                     39:
                     40: static int
1.1       markus     41: userauth_passwd(Authctxt *authctxt)
                     42: {
1.5       dtucker    43:        char *password, *newpass;
1.1       markus     44:        int authenticated = 0;
                     45:        int change;
1.5       dtucker    46:        u_int len, newlen;
                     47:
1.1       markus     48:        change = packet_get_char();
1.5       dtucker    49:        password = packet_get_string(&len);
                     50:        if (change) {
                     51:                /* discard new password from packet */
                     52:                newpass = packet_get_string(&newlen);
                     53:                memset(newpass, 0, newlen);
                     54:                xfree(newpass);
                     55:        }
                     56:        packet_check_eom();
                     57:
1.1       markus     58:        if (change)
1.3       itojun     59:                logit("password change not supported");
1.5       dtucker    60:        else if (PRIVSEP(auth_password(authctxt, password)) == 1)
1.1       markus     61:                authenticated = 1;
                     62:        memset(password, 0, len);
                     63:        xfree(password);
                     64:        return authenticated;
                     65: }
1.2       markus     66:
                     67: Authmethod method_passwd = {
                     68:        "password",
                     69:        userauth_passwd,
                     70:        &options.password_authentication
                     71: };