Annotation of src/usr.bin/ssh/auth2-passwd.c, Revision 1.12
1.12 ! millert 1: /* $OpenBSD: auth2-passwd.c,v 1.11 2014/02/02 03:44:31 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:
1.9 deraadt 26: #include <sys/types.h>
1.8 stevesk 27:
28: #include <string.h>
1.9 deraadt 29: #include <stdarg.h>
1.1 markus 30:
31: #include "xmalloc.h"
32: #include "packet.h"
33: #include "log.h"
1.9 deraadt 34: #include "key.h"
35: #include "hostfile.h"
1.1 markus 36: #include "auth.h"
1.9 deraadt 37: #include "buffer.h"
38: #ifdef GSSAPI
39: #include "ssh-gss.h"
40: #endif
1.1 markus 41: #include "monitor_wrap.h"
1.12 ! millert 42: #include "misc.h"
1.2 markus 43: #include "servconf.h"
1.1 markus 44:
1.2 markus 45: /* import */
46: extern ServerOptions options;
47:
48: static int
1.1 markus 49: userauth_passwd(Authctxt *authctxt)
50: {
1.5 dtucker 51: char *password, *newpass;
1.1 markus 52: int authenticated = 0;
53: int change;
1.5 dtucker 54: u_int len, newlen;
55:
1.1 markus 56: change = packet_get_char();
1.5 dtucker 57: password = packet_get_string(&len);
58: if (change) {
59: /* discard new password from packet */
60: newpass = packet_get_string(&newlen);
1.11 djm 61: explicit_bzero(newpass, newlen);
1.10 djm 62: free(newpass);
1.5 dtucker 63: }
64: packet_check_eom();
65:
1.1 markus 66: if (change)
1.3 itojun 67: logit("password change not supported");
1.5 dtucker 68: else if (PRIVSEP(auth_password(authctxt, password)) == 1)
1.1 markus 69: authenticated = 1;
1.11 djm 70: explicit_bzero(password, len);
1.10 djm 71: free(password);
1.1 markus 72: return authenticated;
73: }
1.2 markus 74:
75: Authmethod method_passwd = {
76: "password",
77: userauth_passwd,
78: &options.password_authentication
79: };