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