Annotation of src/crypto/external/bsd/openssh/dist/auth2-passwd.c, Revision 1.5.2.2
1.5.2.2 ! pgoyette 1: /* $NetBSD: auth2-passwd.c,v 1.7 2017/04/18 18:41:46 christos Exp $ */
1.4 christos 2: /* $OpenBSD: auth2-passwd.c,v 1.12 2014/07/15 15:54:14 millert Exp $ */
1.1 christos 3: /*
4: * Copyright (c) 2000 Markus Friedl. All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: *
15: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
1.2 christos 27: #include "includes.h"
1.5.2.2 ! pgoyette 28: __RCSID("$NetBSD: auth2-passwd.c,v 1.7 2017/04/18 18:41:46 christos Exp $");
1.1 christos 29: #include <sys/types.h>
30:
31: #include <string.h>
32: #include <stdarg.h>
33:
34: #include "xmalloc.h"
35: #include "packet.h"
36: #include "log.h"
37: #include "key.h"
38: #include "hostfile.h"
39: #include "auth.h"
40: #include "buffer.h"
41: #ifdef GSSAPI
42: #include "ssh-gss.h"
43: #endif
44: #include "monitor_wrap.h"
1.4 christos 45: #include "misc.h"
1.1 christos 46: #include "servconf.h"
47:
48: /* import */
49: extern ServerOptions options;
50:
51: static int
52: userauth_passwd(Authctxt *authctxt)
53: {
54: char *password, *newpass;
55: int authenticated = 0;
56: int change;
57: u_int len, newlen;
58:
59: change = packet_get_char();
60: password = packet_get_string(&len);
61: if (change) {
62: /* discard new password from packet */
63: newpass = packet_get_string(&newlen);
1.4 christos 64: explicit_bzero(newpass, newlen);
1.3 christos 65: free(newpass);
1.1 christos 66: }
67: packet_check_eom();
68:
69: if (change)
70: logit("password change not supported");
71: else if (PRIVSEP(auth_password(authctxt, password)) == 1)
72: authenticated = 1;
1.4 christos 73: explicit_bzero(password, len);
1.3 christos 74: free(password);
1.1 christos 75: return authenticated;
76: }
77:
78: Authmethod method_passwd = {
79: "password",
80: userauth_passwd,
81: &options.password_authentication
82: };
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