/* 

   Unix SMB/CIFS implementation.

   load printer lists

   Copyright (C) Andrew Tridgell 1992-2000

   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 "printing/pcap.h"

#include "printing/printer_list.h"

#include "printing/load.h"

#include "lib/param/loadparm.h"

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

auto-load some homes and printer services

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

static void add_auto_printers(void)

{

  const struct loadparm_substitution *lp_sub =

    loadparm_s3_global_substitution();

  const char *p;

  int pnum = lp_servicenumber(PRINTERS_NAME);

  char *str;

  char *saveptr;

  char *auto_serv = NULL;

  if (pnum < 0)

    if (process_registry_service(PRINTERS_NAME))

      pnum = lp_servicenumber(PRINTERS_NAME);

  if (pnum < 0)

    return;

  auto_serv = lp_auto_services(talloc_tos(), lp_sub);

  str = SMB_STRDUP(auto_serv);

  TALLOC_FREE(auto_serv);

  if (str == NULL) {

    return;

  }

  for (p = strtok_r(str, LIST_SEP, &saveptr); p;

       p = strtok_r(NULL, LIST_SEP, &saveptr)) {

    if (lp_servicenumber(p) >= 0)

      continue;

    if (printer_list_printername_exists(p))

      lp_add_printer(p, pnum);

  }

  SAFE_FREE(str);

}

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

load automatic printer services from pre-populated pcap cache

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

void load_printers(void)

{

  NTSTATUS status;

  if (!pcap_cache_loaded(NULL)) {

    return;

  }

  add_auto_printers();

  if (!lp_load_printers()) {

    return;

  }

  /*

   * Do not add printers from pcap, if we don't have a [printers] share.

   */

  if (lp_servicenumber(PRINTERS_NAME) < 0) {

    return;

  }

  status = printer_list_read_run_fn(lp_add_one_printer, NULL);

  if (!NT_STATUS_IS_OK(status)) {

    DBG_NOTICE("printer_list_read_run_fn failed: %s\n",

         nt_errstr(status));

  }

}

bool pcap_cache_loaded(time_t *_last_change)

{

  NTSTATUS status;

  time_t last;

  status = printer_list_get_last_refresh(&last);

  if (!NT_STATUS_IS_OK(status)) {

    return false;

  }

  if (_last_change != NULL) {

    *_last_change = last;

  }

  return true;

}