source3/smbd/server_reload.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Main SMB server routines
   4    Copyright (C) Andrew Tridgell                1992-1998
   5    Copyright (C) Martin Pool                    2002
   6    Copyright (C) Jelmer Vernooij                2002-2003
   7    Copyright (C) Volker Lendecke                1993-2007
   8    Copyright (C) Jeremy Allison                 1993-2007
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "smbd/globals.h"
  26 #include "librpc/gen_ndr/messaging.h"
  27
  28 /****************************************************************************
  29  Reload printers
  30 **************************************************************************/
  31 void reload_printers(void)
  32 {
  33         int snum;
  34         int n_services = lp_numservices();
  35         int pnum = lp_servicenumber(PRINTERS_NAME);
  36         const char *pname;
  37
  38         pcap_cache_reload();
  39
  40         /* remove stale printers */
  41         for (snum = 0; snum < n_services; snum++) {
  42                 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
  43                 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
  44                                       lp_autoloaded(snum)))
  45                         continue;
  46
  47                 pname = lp_printername(snum);
  48                 if (!pcap_printername_ok(pname)) {
  49                         DEBUG(3, ("removing stale printer %s\n", pname));
  50
  51                         if (is_printer_published(NULL, snum, NULL))
  52                                 nt_printer_publish(NULL, snum, DSPRINT_UNPUBLISH);
  53                         del_a_printer(pname);
  54                         lp_killservice(snum);
  55                 }
  56         }
  57
  58         load_printers();
  59 }
  60
  61 /****************************************************************************
  62  Reload the services file.
  63 **************************************************************************/
  64
  65 bool reload_services(bool test)
  66 {
  67         bool ret;
  68
  69         if (lp_loaded()) {
  70                 char *fname = lp_configfile();
  71                 if (file_exist(fname) &&
  72                     !strcsequal(fname, get_dyn_CONFIGFILE())) {
  73                         set_dyn_CONFIGFILE(fname);
  74                         test = False;
  75                 }
  76         }
  77
  78         reopen_logs();
  79
  80         if (test && !lp_file_list_changed())
  81                 return(True);
  82
  83         lp_killunused(conn_snum_used);
  84
  85         ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
  86
  87         reload_printers();
  88
  89         /* perhaps the config filename is now set */
  90         if (!test)
  91                 reload_services(True);
  92
  93         reopen_logs();
  94
  95         load_interfaces();
  96
  97         if (smbd_server_fd() != -1) {
  98                 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
  99                 set_socket_options(smbd_server_fd(), lp_socket_options());
 100         }
 101
 102         mangle_reset_cache();
 103         reset_stat_cache();
 104
 105         /* this forces service parameters to be flushed */
 106         set_current_service(NULL,0,True);
 107
 108         return(ret);
 109 }