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/*
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Unix SMB / CIFS implementation .
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NBT netbios routines and daemon - version 2
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Copyright ( C ) Andrew Tridgell 1994 - 1998
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Copyright ( C ) Jeremy Allison 1997 - 2002
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Copyright ( C ) Jelmer Vernooij 2002 , 2003 ( Conversion to popt )
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This program is free software ; you can redistribute it and / or modify
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 .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
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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*/
# include "includes.h"
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int ClientNMB = - 1 ;
int ClientDGRAM = - 1 ;
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int global_nmb_port = - 1 ;
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extern BOOL rescan_listen_set ;
extern struct in_addr loopback_ip ;
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extern BOOL global_in_nmbd ;
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extern BOOL override_logfile ;
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/* are we running as a daemon ? */
static BOOL is_daemon ;
/* fork or run in foreground ? */
static BOOL Fork = True ;
/* log to standard output ? */
static BOOL log_stdout ;
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/* have we found LanMan clients yet? */
BOOL found_lm_clients = False ;
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/* what server type are we currently */
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time_t StartupTime = 0 ;
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struct event_context * nmbd_event_context ( void )
{
static struct event_context * ctx ;
if ( ! ctx & & ! ( ctx = event_context_init ( NULL ) ) ) {
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smb_panic ( " Could not init nmbd event context " ) ;
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}
return ctx ;
}
struct messaging_context * nmbd_messaging_context ( void )
{
static struct messaging_context * ctx ;
if ( ! ctx & & ! ( ctx = messaging_init ( NULL , server_id_self ( ) ,
nmbd_event_context ( ) ) ) ) {
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smb_panic ( " Could not init nmbd messaging context " ) ;
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}
return ctx ;
}
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/**************************************************************************** **
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Handle a SIGTERM in band .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void terminate ( void )
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{
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DEBUG ( 0 , ( " Got SIGTERM: going down... \n " ) ) ;
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/* Write out wins.dat file if samba is a WINS server */
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wins_write_database ( 0 , False ) ;
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/* Remove all SELF registered names from WINS */
release_wins_names ( ) ;
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/* Announce all server entries as 0 time-to-live, 0 type. */
announce_my_servers_removed ( ) ;
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/* If there was an async dns child - kill it. */
kill_async_dns_child ( ) ;
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exit ( 0 ) ;
}
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/**************************************************************************** **
Handle a SHUTDOWN message from smbcontrol .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void nmbd_terminate ( struct messaging_context * msg ,
void * private_data ,
uint32_t msg_type ,
struct server_id server_id ,
DATA_BLOB * data )
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{
terminate ( ) ;
}
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/**************************************************************************** **
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Catch a SIGTERM signal .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static SIG_ATOMIC_T got_sig_term ;
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static void sig_term ( int sig )
{
got_sig_term = 1 ;
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sys_select_signal ( SIGTERM ) ;
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}
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/**************************************************************************** **
Catch a SIGHUP signal .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static SIG_ATOMIC_T reload_after_sighup ;
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static void sig_hup ( int sig )
{
reload_after_sighup = 1 ;
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sys_select_signal ( SIGHUP ) ;
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}
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/**************************************************************************** **
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Possibly continue after a fault .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void fault_continue ( void )
{
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dump_core ( ) ;
}
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/**************************************************************************** **
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Expire old names from the namelist and server list .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void expire_names_and_servers ( time_t t )
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{
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static time_t lastrun = 0 ;
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if ( ! lastrun )
lastrun = t ;
if ( t < ( lastrun + 5 ) )
return ;
lastrun = t ;
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/*
* Expire any timed out names on all the broadcast
* subnets and those registered with the WINS server .
* ( nmbd_namelistdb . c )
*/
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expire_names ( t ) ;
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/*
* Go through all the broadcast subnets and for each
* workgroup known on that subnet remove any expired
* server names . If a workgroup has an empty serverlist
* and has itself timed out then remove the workgroup .
* ( nmbd_workgroupdb . c )
*/
expire_workgroups_and_servers ( t ) ;
}
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/************************************************************************** **
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Reload the list of network interfaces .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static BOOL reload_interfaces ( time_t t )
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{
static time_t lastt ;
int n ;
struct subnet_record * subrec ;
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if ( t & & ( ( t - lastt ) < NMBD_INTERFACES_RELOAD ) ) return False ;
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lastt = t ;
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if ( ! interfaces_changed ( ) ) return False ;
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/* the list of probed interfaces has changed, we may need to add/remove
some subnets */
load_interfaces ( ) ;
/* find any interfaces that need adding */
for ( n = iface_count ( ) - 1 ; n > = 0 ; n - - ) {
struct interface * iface = get_interface ( n ) ;
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if ( ! iface ) {
DEBUG ( 2 , ( " reload_interfaces: failed to get interface %d \n " , n ) ) ;
continue ;
}
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/*
* We don ' t want to add a loopback interface , in case
* someone has added 127.0 .0 .1 for smbd , nmbd needs to
* ignore it here . JRA .
*/
if ( ip_equal ( iface - > ip , loopback_ip ) ) {
DEBUG ( 2 , ( " reload_interfaces: Ignoring loopback interface %s \n " , inet_ntoa ( iface - > ip ) ) ) ;
continue ;
}
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for ( subrec = subnetlist ; subrec ; subrec = subrec - > next ) {
if ( ip_equal ( iface - > ip , subrec - > myip ) & &
ip_equal ( iface - > nmask , subrec - > mask_ip ) ) break ;
}
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if ( ! subrec ) {
/* it wasn't found! add it */
DEBUG ( 2 , ( " Found new interface %s \n " ,
inet_ntoa ( iface - > ip ) ) ) ;
subrec = make_normal_subnet ( iface ) ;
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if ( subrec )
register_my_workgroup_one_subnet ( subrec ) ;
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}
}
/* find any interfaces that need deleting */
for ( subrec = subnetlist ; subrec ; subrec = subrec - > next ) {
for ( n = iface_count ( ) - 1 ; n > = 0 ; n - - ) {
struct interface * iface = get_interface ( n ) ;
if ( ip_equal ( iface - > ip , subrec - > myip ) & &
ip_equal ( iface - > nmask , subrec - > mask_ip ) ) break ;
}
if ( n = = - 1 ) {
/* oops, an interface has disapeared. This is
tricky , we don ' t dare actually free the
interface as it could be being used , so
instead we just wear the memory leak and
remove it from the list of interfaces without
freeing it */
DEBUG ( 2 , ( " Deleting dead interface %s \n " ,
inet_ntoa ( subrec - > myip ) ) ) ;
close_subnet ( subrec ) ;
}
}
rescan_listen_set = True ;
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/* We need to shutdown if there are no subnets... */
if ( FIRST_SUBNET = = NULL ) {
DEBUG ( 0 , ( " reload_interfaces: No subnets to listen to. Shutting down... \n " ) ) ;
return True ;
}
return False ;
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}
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/**************************************************************************** **
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Reload the services file .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static BOOL reload_nmbd_services ( BOOL test )
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{
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BOOL ret ;
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set_remote_machine_name ( " nmbd " , False ) ;
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if ( lp_loaded ( ) ) {
pstring fname ;
pstrcpy ( fname , lp_configfile ( ) ) ;
if ( file_exist ( fname , NULL ) & & ! strcsequal ( fname , dyn_CONFIGFILE ) ) {
pstrcpy ( dyn_CONFIGFILE , fname ) ;
test = False ;
}
}
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if ( test & & ! lp_file_list_changed ( ) )
return ( True ) ;
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ret = lp_load ( dyn_CONFIGFILE , True , False , False , True ) ;
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/* perhaps the config filename is now set */
if ( ! test ) {
DEBUG ( 3 , ( " services not loaded \n " ) ) ;
reload_nmbd_services ( True ) ;
}
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return ( ret ) ;
}
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/**************************************************************************** **
* React on ' smbcontrol nmbd reload - config ' in the same way as to SIGHUP
* We use buf here to return BOOL result to process ( ) when reload_interfaces ( )
* detects that there are no subnets .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void msg_reload_nmbd_services ( struct messaging_context * msg ,
void * private_data ,
uint32_t msg_type ,
struct server_id server_id ,
DATA_BLOB * data )
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{
write_browse_list ( 0 , True ) ;
dump_all_namelists ( ) ;
reload_nmbd_services ( True ) ;
reopen_logs ( ) ;
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if ( data - > data ) {
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/* We were called from process() */
/* If reload_interfaces() returned True */
/* we need to shutdown if there are no subnets... */
/* pass this info back to process() */
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* ( ( BOOL * ) data - > data ) = reload_interfaces ( 0 ) ;
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}
}
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static void msg_nmbd_send_packet ( struct messaging_context * msg ,
void * private_data ,
uint32_t msg_type ,
struct server_id src ,
DATA_BLOB * data )
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{
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struct packet_struct * p = ( struct packet_struct * ) data - > data ;
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struct subnet_record * subrec ;
struct in_addr * local_ip ;
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DEBUG ( 10 , ( " Received send_packet from %d \n " , procid_to_pid ( & src ) ) ) ;
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if ( data - > length ! = sizeof ( struct packet_struct ) ) {
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DEBUG ( 2 , ( " Discarding invalid packet length from %d \n " ,
procid_to_pid ( & src ) ) ) ;
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return ;
}
if ( ( p - > packet_type ! = NMB_PACKET ) & &
( p - > packet_type ! = DGRAM_PACKET ) ) {
DEBUG ( 2 , ( " Discarding invalid packet type from %d: %d \n " ,
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procid_to_pid ( & src ) , p - > packet_type ) ) ;
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return ;
}
local_ip = iface_ip ( p - > ip ) ;
if ( local_ip = = NULL ) {
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DEBUG ( 2 , ( " Could not find ip for packet from %d \n " ,
procid_to_pid ( & src ) ) ) ;
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return ;
}
subrec = FIRST_SUBNET ;
p - > fd = ( p - > packet_type = = NMB_PACKET ) ?
subrec - > nmb_sock : subrec - > dgram_sock ;
for ( subrec = FIRST_SUBNET ; subrec ! = NULL ;
subrec = NEXT_SUBNET_EXCLUDING_UNICAST ( subrec ) ) {
if ( ip_equal ( * local_ip , subrec - > myip ) ) {
p - > fd = ( p - > packet_type = = NMB_PACKET ) ?
subrec - > nmb_sock : subrec - > dgram_sock ;
break ;
}
}
if ( p - > packet_type = = DGRAM_PACKET ) {
p - > port = 138 ;
p - > packet . dgram . header . source_ip . s_addr = local_ip - > s_addr ;
p - > packet . dgram . header . source_port = 138 ;
}
send_packet ( p ) ;
}
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/**************************************************************************** **
The main select loop .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void process ( void )
{
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BOOL run_election ;
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BOOL no_subnets ;
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while ( True ) {
time_t t = time ( NULL ) ;
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TALLOC_CTX * frame = talloc_stackframe ( ) ;
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/* Check for internal messages */
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message_dispatch ( nmbd_messaging_context ( ) ) ;
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/*
* Check all broadcast subnets to see if
* we need to run an election on any of them .
* ( nmbd_elections . c )
*/
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run_election = check_elections ( ) ;
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/*
* Read incoming UDP packets .
* ( nmbd_packets . c )
*/
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if ( listen_for_packets ( run_election ) ) {
TALLOC_FREE ( frame ) ;
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return ;
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}
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/*
* Handle termination inband .
*/
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if ( got_sig_term ) {
got_sig_term = 0 ;
terminate ( ) ;
}
/*
* Process all incoming packets
* read above . This calls the success and
* failure functions registered when response
* packets arrrive , and also deals with request
* packets from other sources .
* ( nmbd_packets . c )
*/
run_packet_queue ( ) ;
/*
* Run any elections - initiate becoming
* a local master browser if we have won .
* ( nmbd_elections . c )
*/
run_elections ( t ) ;
/*
* Send out any broadcast announcements
* of our server names . This also announces
* the workgroup name if we are a local
* master browser .
* ( nmbd_sendannounce . c )
*/
announce_my_server_names ( t ) ;
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/*
* Send out any LanMan broadcast announcements
* of our server names .
* ( nmbd_sendannounce . c )
*/
announce_my_lm_server_names ( t ) ;
/*
* If we are a local master browser , periodically
* announce ourselves to the domain master browser .
* This also deals with syncronising the domain master
* browser server lists with ourselves as a local
* master browser .
* ( nmbd_sendannounce . c )
*/
announce_myself_to_domain_master_browser ( t ) ;
/*
* Fullfill any remote announce requests .
* ( nmbd_sendannounce . c )
*/
announce_remote ( t ) ;
/*
* Fullfill any remote browse sync announce requests .
* ( nmbd_sendannounce . c )
*/
browse_sync_remote ( t ) ;
/*
* Scan the broadcast subnets , and WINS client
* namelists and refresh any that need refreshing .
* ( nmbd_mynames . c )
*/
refresh_my_names ( t ) ;
/*
* Scan the subnet namelists and server lists and
* expire thos that have timed out .
* ( nmbd . c )
*/
expire_names_and_servers ( t ) ;
/*
* Write out a snapshot of our current browse list into
* the browse . dat file . This is used by smbd to service
* incoming NetServerEnum calls - used to synchronise
* browse lists over subnets .
* ( nmbd_serverlistdb . c )
*/
write_browse_list ( t , False ) ;
/*
* If we are a domain master browser , we have a list of
* local master browsers we should synchronise browse
* lists with ( these are added by an incoming local
* master browser announcement packet ) . Expire any of
* these that are no longer current , and pull the server
* lists from each of these known local master browsers .
* ( nmbd_browsesync . c )
*/
dmb_expire_and_sync_browser_lists ( t ) ;
/*
* Check that there is a local master browser for our
* workgroup for all our broadcast subnets . If one
* is not found , start an election ( which we ourselves
* may or may not participate in , depending on the
* setting of the ' local master ' parameter .
* ( nmbd_elections . c )
*/
check_master_browser_exists ( t ) ;
/*
* If we are configured as a logon server , attempt to
* register the special NetBIOS names to become such
* ( WORKGROUP < 1 c > name ) on all broadcast subnets and
* with the WINS server ( if used ) . If we are configured
* to become a domain master browser , attempt to register
* the special NetBIOS name ( WORKGROUP < 1 b > name ) to
* become such .
* ( nmbd_become_dmb . c )
*/
add_domain_names ( t ) ;
/*
* If we are a WINS server , do any timer dependent
* processing required .
* ( nmbd_winsserver . c )
*/
initiate_wins_processing ( t ) ;
/*
* If we are a domain master browser , attempt to contact the
* WINS server to get a list of all known WORKGROUPS / DOMAINS .
* This will only work to a Samba WINS server .
* ( nmbd_browsesync . c )
*/
if ( lp_enhanced_browsing ( ) )
collect_all_workgroup_names_from_wins_server ( t ) ;
/*
* Go through the response record queue and time out or re - transmit
* and expired entries .
* ( nmbd_packets . c )
*/
retransmit_or_expire_response_records ( t ) ;
/*
* check to see if any remote browse sync child processes have completed
*/
sync_check_completion ( ) ;
/*
* regularly sync with any other DMBs we know about
*/
if ( lp_enhanced_browsing ( ) )
sync_all_dmbs ( t ) ;
/*
* clear the unexpected packet queue
*/
clear_unexpected ( t ) ;
/*
* Reload the services file if we got a sighup .
*/
if ( reload_after_sighup ) {
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DATA_BLOB blob = data_blob_const ( & no_subnets ,
sizeof ( no_subnets ) ) ;
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DEBUG ( 0 , ( " Got SIGHUP dumping debug info. \n " ) ) ;
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msg_reload_nmbd_services ( nmbd_messaging_context ( ) ,
NULL , MSG_SMB_CONF_UPDATED ,
procid_self ( ) , & blob ) ;
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if ( no_subnets ) {
TALLOC_FREE ( frame ) ;
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return ;
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}
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reload_after_sighup = 0 ;
}
/* check for new network interfaces */
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if ( reload_interfaces ( t ) ) {
TALLOC_FREE ( frame ) ;
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return ;
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}
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/* free up temp memory */
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TALLOC_FREE ( frame ) ;
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}
}
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/**************************************************************************** **
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Open the socket communication .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static BOOL open_sockets ( BOOL isdaemon , int port )
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{
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/*
* The sockets opened here will be used to receive broadcast
* packets * only * . Interface specific sockets are opened in
* make_subnet ( ) in namedbsubnet . c . Thus we bind to the
* address " 0.0.0.0 " . The parameter ' socket address ' is
* now deprecated .
*/
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if ( isdaemon )
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ClientNMB = open_socket_in ( SOCK_DGRAM , port ,
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0 , interpret_addr ( lp_socket_address ( ) ) ,
True ) ;
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else
ClientNMB = 0 ;
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ClientDGRAM = open_socket_in ( SOCK_DGRAM , DGRAM_PORT ,
3 , interpret_addr ( lp_socket_address ( ) ) ,
True ) ;
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if ( ClientNMB = = - 1 )
return ( False ) ;
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/* we are never interested in SIGPIPE */
BlockSignals ( True , SIGPIPE ) ;
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set_socket_options ( ClientNMB , " SO_BROADCAST " ) ;
set_socket_options ( ClientDGRAM , " SO_BROADCAST " ) ;
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/* Ensure we're non-blocking. */
set_blocking ( ClientNMB , False ) ;
set_blocking ( ClientDGRAM , False ) ;
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DEBUG ( 3 , ( " open_sockets: Broadcast sockets opened. \n " ) ) ;
return ( True ) ;
}
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/**************************************************************************** **
main program
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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int main ( int argc , const char * argv [ ] )
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{
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pstring logfile ;
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static BOOL opt_interactive ;
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poptContext pc ;
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static char * p_lmhosts = dyn_LMHOSTSFILE ;
static BOOL no_process_group = False ;
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int opt ;
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struct poptOption long_options [ ] = {
POPT_AUTOHELP
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{ " daemon " , ' D ' , POPT_ARG_VAL , & is_daemon , True , " Become a daemon(default) " } ,
{ " interactive " , ' i ' , POPT_ARG_VAL , & opt_interactive , True , " Run interactive (not a daemon) " } ,
{ " foreground " , ' F ' , POPT_ARG_VAL , & Fork , False , " Run daemon in foreground (for daemontools & etc) " } ,
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{ " no-process-group " , 0 , POPT_ARG_VAL , & no_process_group , True , " Don't create a new process group " } ,
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{ " log-stdout " , ' S ' , POPT_ARG_VAL , & log_stdout , True , " Log to stdout " } ,
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{ " hosts " , ' H ' , POPT_ARG_STRING , & p_lmhosts , ' H ' , " Load a netbios hosts file " } ,
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{ " port " , ' p ' , POPT_ARG_INT , & global_nmb_port , NMB_PORT , " Listen on the specified port " } ,
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POPT_COMMON_SAMBA
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{ NULL }
} ;
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load_case_tables ( ) ;
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global_nmb_port = NMB_PORT ;
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pc = poptGetContext ( " nmbd " , argc , argv , long_options , 0 ) ;
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while ( ( opt = poptGetNextOpt ( pc ) ) ! = - 1 ) {
switch ( opt ) {
default :
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d_fprintf ( stderr , " \n Invalid option %s: %s \n \n " ,
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poptBadOption ( pc , 0 ) , poptStrerror ( opt ) ) ;
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poptPrintUsage ( pc , stderr , 0 ) ;
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exit ( 1 ) ;
}
} ;
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poptFreeContext ( pc ) ;
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global_in_nmbd = True ;
StartupTime = time ( NULL ) ;
sys_srandom ( time ( NULL ) ^ sys_getpid ( ) ) ;
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if ( ! override_logfile ) {
slprintf ( logfile , sizeof ( logfile ) - 1 , " %s/log.nmbd " , dyn_LOGFILEBASE ) ;
lp_set_logfile ( logfile ) ;
}
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fault_setup ( ( void ( * ) ( void * ) ) fault_continue ) ;
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dump_core_setup ( " nmbd " ) ;
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/* POSIX demands that signals are inherited. If the invoking process has
* these signals masked , we will have problems , as we won ' t receive them . */
BlockSignals ( False , SIGHUP ) ;
BlockSignals ( False , SIGUSR1 ) ;
BlockSignals ( False , SIGTERM ) ;
CatchSignal ( SIGHUP , SIGNAL_CAST sig_hup ) ;
CatchSignal ( SIGTERM , SIGNAL_CAST sig_term ) ;
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# if defined(SIGFPE)
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/* we are never interested in SIGFPE */
BlockSignals ( True , SIGFPE ) ;
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# endif
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/* We no longer use USR2... */
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# if defined(SIGUSR2)
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BlockSignals ( True , SIGUSR2 ) ;
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# endif
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if ( opt_interactive ) {
Fork = False ;
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log_stdout = True ;
}
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if ( log_stdout & & Fork ) {
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DEBUG ( 0 , ( " ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i) \n " ) ) ;
exit ( 1 ) ;
}
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setup_logging ( argv [ 0 ] , log_stdout ) ;
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reopen_logs ( ) ;
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DEBUG ( 0 , ( " Netbios nameserver version %s started. \n " , SAMBA_VERSION_STRING ) ) ;
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DEBUGADD ( 0 , ( " %s \n " , COPYRIGHT_STARTUP_MESSAGE ) ) ;
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2003-08-23 05:59:14 +04:00
if ( ! reload_nmbd_services ( False ) )
return ( - 1 ) ;
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2003-08-23 05:59:14 +04:00
if ( ! init_names ( ) )
return - 1 ;
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reload_nmbd_services ( True ) ;
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if ( strequal ( lp_workgroup ( ) , " * " ) ) {
DEBUG ( 0 , ( " ERROR: a workgroup name of * is no longer supported \n " ) ) ;
exit ( 1 ) ;
}
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2003-08-23 05:59:14 +04:00
set_samba_nb_type ( ) ;
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if ( ! is_daemon & & ! is_a_socket ( 0 ) ) {
DEBUG ( 0 , ( " standard input is not a socket, assuming -D option \n " ) ) ;
is_daemon = True ;
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}
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if ( is_daemon & & ! opt_interactive ) {
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DEBUG ( 2 , ( " Becoming a daemon. \n " ) ) ;
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become_daemon ( Fork , no_process_group ) ;
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}
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2001-12-30 04:46:38 +03:00
# if HAVE_SETPGID
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/*
* If we ' re interactive we want to set our own process group for
* signal management .
*/
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if ( opt_interactive & & ! no_process_group )
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setpgid ( ( pid_t ) 0 , ( pid_t ) 0 ) ;
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# endif
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if ( nmbd_messaging_context ( ) = = NULL ) {
return 1 ;
}
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# ifndef SYNC_DNS
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/* Setup the async dns. We do it here so it doesn't have all the other
stuff initialised and thus chewing memory and sockets */
if ( lp_we_are_a_wins_server ( ) & & lp_dns_proxy ( ) ) {
start_async_dns ( ) ;
}
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# endif
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if ( ! directory_exist ( lp_lockdir ( ) , NULL ) ) {
mkdir ( lp_lockdir ( ) , 0755 ) ;
}
pidfile_create ( " nmbd " ) ;
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messaging_register ( nmbd_messaging_context ( ) , NULL ,
MSG_FORCE_ELECTION , nmbd_message_election ) ;
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#if 0
/* Until winsrepl is done. */
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messaging_register ( nmbd_messaging_context ( ) , NULL ,
MSG_WINS_NEW_ENTRY , nmbd_wins_new_entry ) ;
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# endif
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messaging_register ( nmbd_messaging_context ( ) , NULL ,
MSG_SHUTDOWN , nmbd_terminate ) ;
messaging_register ( nmbd_messaging_context ( ) , NULL ,
MSG_SMB_CONF_UPDATED , msg_reload_nmbd_services ) ;
messaging_register ( nmbd_messaging_context ( ) , NULL ,
MSG_SEND_PACKET , msg_nmbd_send_packet ) ;
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2005-11-05 07:21:55 +03:00
TimeInit ( ) ;
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DEBUG ( 3 , ( " Opening sockets %d \n " , global_nmb_port ) ) ;
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if ( ! open_sockets ( is_daemon , global_nmb_port ) ) {
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kill_async_dns_child ( ) ;
return 1 ;
}
/* Determine all the IP addresses we have. */
load_interfaces ( ) ;
/* Create an nmbd subnet record for each of the above. */
if ( False = = create_subnets ( ) ) {
DEBUG ( 0 , ( " ERROR: Failed when creating subnet lists. Exiting. \n " ) ) ;
kill_async_dns_child ( ) ;
exit ( 1 ) ;
}
/* Load in any static local names. */
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load_lmhosts_file ( p_lmhosts ) ;
DEBUG ( 3 , ( " Loaded hosts file %s \n " , p_lmhosts ) ) ;
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/* If we are acting as a WINS server, initialise data structures. */
if ( ! initialise_wins ( ) ) {
DEBUG ( 0 , ( " nmbd: Failed when initialising WINS server. \n " ) ) ;
kill_async_dns_child ( ) ;
exit ( 1 ) ;
}
/*
* Register nmbd primary workgroup and nmbd names on all
* the broadcast subnets , and on the WINS server ( if specified ) .
* Also initiate the startup of our primary workgroup ( start
* elections if we are setup as being able to be a local
* master browser .
*/
if ( False = = register_my_workgroup_and_names ( ) ) {
DEBUG ( 0 , ( " ERROR: Failed when creating my my workgroup. Exiting. \n " ) ) ;
kill_async_dns_child ( ) ;
exit ( 1 ) ;
}
/* We can only take signals in the select. */
BlockSignals ( True , SIGTERM ) ;
process ( ) ;
if ( dbf )
x_fclose ( dbf ) ;
kill_async_dns_child ( ) ;
return ( 0 ) ;
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}