workspace/kcheckpass/checkpass_etcpasswd.c

   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
  33 AuthReturn Authenticate(const char *method,
  34         const char *login, char *(*conv) (ConvRequest, const char *))
  35 {
  36   struct passwd *pw;
  37   char *passwd;
  38
  39   if (strcmp(method, "classic"))
  40     return AuthError;
  41
  42   /* Get the password entry for the user we want */
  43   if (!(pw = getpwnam(login)))
  44     return AuthBad;
  45
  46   if (!*pw->pw_passwd)
  47     return AuthOk;
  48
  49   if (!(passwd = conv(ConvGetHidden, 0)))
  50     return AuthAbort;
  51
  52   if (!strcmp(pw->pw_passwd, crypt(passwd, pw->pw_passwd))) {
  53     dispose(passwd);
  54     return AuthOk; /* Success */
  55   }
  56   dispose(passwd);
  57   return AuthBad; /* Password wrong or account locked */
  58 }
  59
  60 #endif