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1b86df90d2
All this does is 'return false' as conn is NULL... Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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Main SMB server routines
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Copyright (C) Andrew Tridgell 1992-1998
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Copyright (C) Martin Pool 2002
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Copyright (C) Jelmer Vernooij 2002-2003
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Copyright (C) Volker Lendecke 1993-2007
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Copyright (C) Jeremy Allison 1993-2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "smbd/smbd.h"
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#include "smbd/globals.h"
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#include "nt_printing.h"
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#include "printing/pcap.h"
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#include "printing/load.h"
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#include "auth.h"
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#include "messages.h"
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#include "lib/param/loadparm.h"
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/*
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* The persistent pcap cache is populated by the background print process. Per
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* client smbds should only reload their printer share inventories if this
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* information has changed. Use reload_last_pcap_time to detect this.
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*/
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static time_t reload_last_pcap_time = 0;
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bool snum_is_shared_printer(int snum)
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{
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return (lp_browseable(snum) && lp_snum_ok(snum) && lp_printable(snum));
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}
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/**
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* @brief Purge stale printer shares and reload from pre-populated pcap cache.
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*
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* This function should normally only be called as a callback on a successful
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* pcap_cache_reload(), or on client enumeration.
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*/
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void delete_and_reload_printers(void)
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{
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int n_services;
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int pnum;
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int snum;
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const char *pname;
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bool ok;
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time_t pcap_last_update;
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TALLOC_CTX *frame = talloc_stackframe();
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ok = pcap_cache_loaded(&pcap_last_update);
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if (!ok) {
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DEBUG(1, ("pcap cache not loaded\n"));
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talloc_free(frame);
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return;
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}
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if (reload_last_pcap_time == pcap_last_update) {
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DEBUG(5, ("skipping printer reload, already up to date.\n"));
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talloc_free(frame);
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return;
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}
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reload_last_pcap_time = pcap_last_update;
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/* Get pcap printers updated */
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load_printers();
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n_services = lp_numservices();
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pnum = lp_servicenumber(PRINTERS_NAME);
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DEBUG(10, ("reloading printer services from pcap cache\n"));
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/*
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* Add default config for printers added to smb.conf file and remove
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* stale printers
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*/
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for (snum = 0; snum < n_services; snum++) {
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/* avoid removing PRINTERS_NAME */
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if (snum == pnum) {
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continue;
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}
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/* skip no-printer services */
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if (!snum_is_shared_printer(snum)) {
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continue;
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}
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pname = lp_printername(frame, snum);
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/* check printer, but avoid removing non-autoloaded printers */
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if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
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lp_killservice(snum);
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}
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}
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/* Make sure deleted printers are gone */
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load_printers();
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talloc_free(frame);
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}
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/****************************************************************************
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Reload the services file.
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**************************************************************************/
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bool reload_services(struct smbd_server_connection *sconn,
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bool (*snumused) (struct smbd_server_connection *, int),
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bool test)
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{
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struct smbXsrv_connection *xconn = NULL;
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bool ret;
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if (lp_loaded()) {
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char *fname = lp_next_configfile(talloc_tos());
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if (file_exist(fname) &&
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!strcsequal(fname, get_dyn_CONFIGFILE())) {
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set_dyn_CONFIGFILE(fname);
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test = False;
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}
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TALLOC_FREE(fname);
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}
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reopen_logs();
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if (test && !lp_file_list_changed())
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return(True);
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lp_killunused(sconn, snumused);
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ret = lp_load_with_shares(get_dyn_CONFIGFILE());
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/* perhaps the config filename is now set */
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if (!test) {
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reload_services(sconn, snumused, true);
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}
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reopen_logs();
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load_interfaces();
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if (sconn != NULL && sconn->client != NULL) {
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xconn = sconn->client->connections;
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}
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for (;xconn != NULL; xconn = xconn->next) {
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set_socket_options(xconn->transport.sock, "SO_KEEPALIVE");
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set_socket_options(xconn->transport.sock, lp_socket_options());
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}
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mangle_reset_cache();
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reset_stat_cache();
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flush_dfree_cache();
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return(ret);
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}
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