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 #include "nt_printing.h"
  28
  29 /****************************************************************************
  30  Reload printers
  31 **************************************************************************/
  32 void reload_printers(void)
  33 {
  34         struct auth_serversupplied_info *server_info = NULL;
  35         struct spoolss_PrinterInfo2 *pinfo2 = NULL;
  36         int snum;
  37         int n_services = lp_numservices();
  38         int pnum = lp_servicenumber(PRINTERS_NAME);
  39         const char *pname;
  40         NTSTATUS status;
  41         bool skip = false;
  42
  43         pcap_cache_reload();
  44
  45         status = make_server_info_system(talloc_tos(), &server_info);
  46         if (!NT_STATUS_IS_OK(status)) {
  47                 DEBUG(0, ("reload_printers: "
  48                           "Could not create system server_info\n"));
  49                 /* can't remove stale printers before we
  50                  * are fully initilized */
  51                 skip = true;
  52         }
  53
  54         /* remove stale printers */
  55         for (snum = 0; skip == false && snum < n_services; snum++) {
  56                 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
  57                 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
  58                                       lp_autoloaded(snum)))
  59                         continue;
  60
  61                 pname = lp_printername(snum);
  62                 if (!pcap_printername_ok(pname)) {
  63                         DEBUG(3, ("removing stale printer %s\n", pname));
  64
  65                         if (is_printer_published(server_info, server_info,
  66                                                  NULL, lp_servicename(snum),
  67                                                  NULL, &pinfo2)) {
  68                                 nt_printer_publish(server_info,
  69                                                    server_info,
  70                                                    smbd_messaging_context(),
  71                                                    pinfo2,
  72                                                    DSPRINT_UNPUBLISH);
  73                                 TALLOC_FREE(pinfo2);
  74                         }
  75                         nt_printer_remove(server_info, server_info,
  76                                           smbd_messaging_context(), pname);
  77                         lp_killservice(snum);
  78                 }
  79         }
  80
  81         load_printers();
  82
  83         TALLOC_FREE(server_info);
  84 }
  85
  86 /****************************************************************************
  87  Reload the services file.
  88 **************************************************************************/
  89
  90 bool reload_services(bool test)
  91 {
  92         bool ret;
  93
  94         if (lp_loaded()) {
  95                 char *fname = lp_configfile();
  96                 if (file_exist(fname) &&
  97                     !strcsequal(fname, get_dyn_CONFIGFILE())) {
  98                         set_dyn_CONFIGFILE(fname);
  99                         test = False;
 100                 }
 101         }
 102
 103         reopen_logs();
 104
 105         if (test && !lp_file_list_changed())
 106                 return(True);
 107
 108         lp_killunused(conn_snum_used);
 109
 110         ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
 111
 112         reload_printers();
 113
 114         /* perhaps the config filename is now set */
 115         if (!test)
 116                 reload_services(True);
 117
 118         reopen_logs();
 119
 120         load_interfaces();
 121
 122         if (smbd_server_fd() != -1) {
 123                 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 124                 set_socket_options(smbd_server_fd(), lp_socket_options());
 125         }
 126
 127         mangle_reset_cache();
 128         reset_stat_cache();
 129
 130         /* this forces service parameters to be flushed */
 131         set_current_service(NULL,0,True);
 132
 133         return(ret);
 134 }