1/*
2 * Copyright (c) 1998 Christian Esken <esken@kde.org>
3 * Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public
16 * License along with this program; if not, write to the Free
17 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 *
19 * Copyright (C) 1998, Christian Esken <esken@kde.org>
20 */
21
22#include "kcheckpass.h"
23
24#ifdef HAVE_ETCPASSWD
25
26/*******************************************************************
27 * This is the authentication code for /etc/passwd passwords
28 *******************************************************************/
29
30#include <string.h>
31#include <stdlib.h>
32
33AuthReturn Authenticate(const char *method,
34 const char *login, char *(*conv) (ConvRequest, const char *))
35{
36 struct passwd *pw;
37 char *passwd;
38 char *crpt_passwd;
39
40 if (strcmp(method, "classic"))
41 return AuthError;
42
43 /* Get the password entry for the user we want */
44 if (!(pw = getpwnam(login)))
45 return AuthBad;
46
47 if (!*pw->pw_passwd)
48 return AuthOk;
49
50 if (!(passwd = conv(ConvGetHidden, 0)))
51 return AuthAbort;
52
53 if ((crpt_passwd = crypt(passwd, pw->pw_passwd)) && !strcmp(pw->pw_passwd, crpt_passwd)) {
54 dispose(passwd);
55 return AuthOk; /* Success */
56 }
57 dispose(passwd);
58 return AuthBad; /* Password wrong or account locked */
59}
60
61#endif
62