| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 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" |
| Darren Tucker | ea28706 | 2003-12-31 11:43:24 +1100 | [diff] [blame] | 26 | RCSID("$OpenBSD: auth2-passwd.c,v 1.5 2003/12/31 00:24:50 dtucker Exp $"); |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 27 | |
| 28 | #include "xmalloc.h" |
| 29 | #include "packet.h" |
| 30 | #include "log.h" |
| 31 | #include "auth.h" |
| 32 | #include "monitor_wrap.h" |
| 33 | #include "servconf.h" |
| 34 | |
| 35 | /* import */ |
| 36 | extern ServerOptions options; |
| 37 | |
| 38 | static int |
| 39 | userauth_passwd(Authctxt *authctxt) |
| 40 | { |
| Darren Tucker | ea28706 | 2003-12-31 11:43:24 +1100 | [diff] [blame] | 41 | char *password, *newpass; |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 42 | int authenticated = 0; |
| 43 | int change; |
| Darren Tucker | ea28706 | 2003-12-31 11:43:24 +1100 | [diff] [blame] | 44 | u_int len, newlen; |
| 45 | |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 46 | change = packet_get_char(); |
| Darren Tucker | ea28706 | 2003-12-31 11:43:24 +1100 | [diff] [blame] | 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 | |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 56 | if (change) |
| Damien Miller | 996acd2 | 2003-04-09 20:59:48 +1000 | [diff] [blame] | 57 | logit("password change not supported"); |
| Damien Miller | 4765679 | 2004-09-11 22:42:09 +1000 | [diff] [blame] | 58 | else if (PRIVSEP(auth_password(authctxt, password)) == 1) |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 59 | authenticated = 1; |
| Damien Miller | 4765679 | 2004-09-11 22:42:09 +1000 | [diff] [blame] | 60 | #ifdef HAVE_CYGWIN |
| 61 | if (check_nt_auth(1, authctxt->pw) == 0) |
| 62 | authenticated = 0; |
| 63 | #endif |
| Ben Lindstrom | 855bf3a | 2002-06-06 20:27:55 +0000 | [diff] [blame] | 64 | memset(password, 0, len); |
| 65 | xfree(password); |
| 66 | return authenticated; |
| 67 | } |
| 68 | |
| 69 | Authmethod method_passwd = { |
| 70 | "password", |
| 71 | userauth_passwd, |
| 72 | &options.password_authentication |
| 73 | }; |