source3/printing/load.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    load printer lists
   4    Copyright (C) Andrew Tridgell 1992-2000
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "printing/pcap.h"
  22 #include "printing/load.h"
  23 #include "lib/param/loadparm.h"
  24
  25 /***************************************************************************
  26 auto-load some homes and printer services
  27 ***************************************************************************/
  28 static void add_auto_printers(void)
  29 {
  30         const struct loadparm_substitution *lp_sub =
  31                 loadparm_s3_global_substitution();
  32         const char *p;
  33         int pnum = lp_servicenumber(PRINTERS_NAME);
  34         char *str;
  35         char *saveptr;
  36         char *auto_serv = NULL;
  37
  38         if (pnum < 0)
  39                 if (process_registry_service(PRINTERS_NAME))
  40                         pnum = lp_servicenumber(PRINTERS_NAME);
  41
  42         if (pnum < 0)
  43                 return;
  44
  45         auto_serv = lp_auto_services(talloc_tos(), lp_sub);
  46         str = SMB_STRDUP(auto_serv);
  47         TALLOC_FREE(auto_serv);
  48         if (str == NULL) {
  49                 return;
  50         }
  51
  52         for (p = strtok_r(str, LIST_SEP, &saveptr); p;
  53              p = strtok_r(NULL, LIST_SEP, &saveptr)) {
  54                 if (lp_servicenumber(p) >= 0)
  55                         continue;
  56
  57                 if (pcap_printername_ok(p))
  58                         lp_add_printer(p, pnum);
  59         }
  60
  61         SAFE_FREE(str);
  62 }
  63
  64 /***************************************************************************
  65 load automatic printer services from pre-populated pcap cache
  66 ***************************************************************************/
  67 void load_printers(void)
  68 {
  69         if (!pcap_cache_loaded(NULL)) {
  70                 return;
  71         }
  72
  73         add_auto_printers();
  74
  75         /* load all printcap printers */
  76         if (lp_load_printers() && lp_servicenumber(PRINTERS_NAME) >= 0)
  77                 pcap_printer_read_fn(lp_add_one_printer, NULL);
  78 }