/*

   Unix SMB/CIFS implementation.

   Password and authentication handling

   Copyright (C) Andrew Tridgell 1992-1998

   Copyright (C) Jeremy Allison 2007.

   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.

*/

#include "includes.h"

#include "system/passwd.h"

#include "smbd/smbd.h"

#include "smbd/globals.h"

#include "source3/smbd/smbXsrv_session.h"

#include "../librpc/gen_ndr/netlogon.h"

#include "auth.h"

#include "../libcli/security/security.h"

/****************************************************************************

 Invalidate a uid.

****************************************************************************/

void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid)

{

  struct smbXsrv_session *session = NULL;

  NTSTATUS status;

  status = get_valid_smbXsrv_session(sconn->client, vuid, &session);

  if (!NT_STATUS_IS_OK(status)) {

    return;

  }

  session_yield(session);

  SMB_ASSERT(sconn->num_users > 0);

  sconn->num_users--;

  /* clear the vuid from the 'cache' on each connection, and

     from the vuid 'owner' of connections */

  conn_clear_vuid_caches(sconn, vuid);

}

int register_homes_share(const char *username)

{

  const struct loadparm_substitution *lp_sub =

    loadparm_s3_global_substitution();

  int result;

  struct passwd *pwd;

  result = lp_servicenumber(username);

  if (result != -1) {

    DEBUG(3, ("Using static (or previously created) service for "

        "user '%s'; path = '%s'\n", username,

        lp_path(talloc_tos(), lp_sub, result)));

    return result;

  }

  pwd = Get_Pwnam_alloc(talloc_tos(), username);

  if ((pwd == NULL) || (pwd->pw_dir[0] == '\0')) {

    DEBUG(3, ("No home directory defined for user '%s'\n",

        username));

    TALLOC_FREE(pwd);

    return -1;

  }

  if (strequal(pwd->pw_dir, "/")) {

    DBG_NOTICE("Invalid home directory defined for user '%s'\n",

         username);

    TALLOC_FREE(pwd);

    return -1;

  }

  DEBUG(3, ("Adding homes service for user '%s' using home directory: "

      "'%s'\n", username, pwd->pw_dir));

  result = add_home_service(username, username, pwd->pw_dir);

  TALLOC_FREE(pwd);

  return result;

}