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/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "imap4d.h"

int
imap4d_login (struct imap4d_command *command, char *arg)
{
  char *sp = NULL, *username, *pass;
  int rc;

  username = util_getword (arg, &sp);
  pass = util_getword (NULL, &sp);

  /* Remove the double quotes.  */
  util_unquote (&username);
  util_unquote (&pass);

  if (username == NULL || *username == '\0' || pass == NULL)
    return util_finish (command, RESP_NO, "Too few args");
  else if (util_getword (NULL, &sp))
    return util_finish (command, RESP_NO, "Too many args");

  auth_data = mu_get_auth_by_name (username);

  if (auth_data == NULL)
    {
      syslog (LOG_INFO, "User '%s': nonexistent", arg);
      return util_finish (command, RESP_NO, "User name or passwd rejected");
    }

  rc = mu_authenticate (auth_data, pass);
  openlog ("gnu-imap4d", LOG_PID, log_facility);
  if (rc)
    {
      syslog (LOG_INFO, "Login failed: %s", arg);
      return util_finish (command, RESP_NO, "User name or passwd rejected");
    }
  
  if (auth_data->change_uid)
    setuid (auth_data->uid);

  homedir = mu_normalize_path (strdup (auth_data->dir), "/");
  chdir (homedir);
  namespace_init (homedir);
  syslog (LOG_INFO, "User '%s' logged in", username);
  return util_finish (command, RESP_OK, "Completed");
}

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