void announce_and_sync_with_domain_master_browser( struct subnet_record *subrec,
struct work_record *work)
{
struct nmb_name nmbname;
/* Only do this if we are using a WINS server. */
if(we_are_a_wins_client() == False)
{
if( DEBUGLVL( 10 ) )
{
dbgtext( "announce_and_sync_with_domain_master_browser:\n" );
dbgtext( "Ignoring, as we are not a WINS client.\n" );
}
return;
}
make_nmb_name(&nmbname,work->work_group,0x1b);
/* First, query for the WORKGROUP<1b> name from the WINS server. */
query_name(unicast_subnet, nmbname.name, nmbname.name_type,
find_domain_master_name_query_success,
find_domain_master_name_query_fail,
NULL);
}
void collect_all_workgroup_names_from_wins_server(time_t t)
{
static time_t lastrun = 0;
struct work_record *work;
/* Only do this if we are using a WINS server. */
if(we_are_a_wins_client() == False)
return;
/* Check to see if we are a domain master browser on the unicast subnet. */
if((work = find_workgroup_on_subnet( unicast_subnet, lp_workgroup())) == NULL) {
if( DEBUGLVL( 0 ) ) {
dbgtext( "collect_all_workgroup_names_from_wins_server:\n" );
dbgtext( "Cannot find my workgroup %s ", lp_workgroup() );
dbgtext( "on subnet %s.\n", unicast_subnet->subnet_name );
}
return;
}
if(!AM_DOMAIN_MASTER_BROWSER(work))
return;
if ((lastrun != 0) && (t < lastrun + (15 * 60)))
return;
lastrun = t;
/* First, query for the *<1b> name from the WINS server. */
query_name(unicast_subnet, "*", 0x1b,
find_all_domain_master_names_query_success,
find_all_domain_master_names_query_fail,
NULL);
}
void sync_all_dmbs(time_t t)
{
static time_t lastrun = 0;
struct work_record *work;
int count=0;
/* Only do this if we are using a WINS server. */
if(we_are_a_wins_client() == False)
return;
/* Check to see if we are a domain master browser on the
unicast subnet. */
work = find_workgroup_on_subnet(unicast_subnet, lp_workgroup());
if (!work)
return;
if (!AM_DOMAIN_MASTER_BROWSER(work))
return;
if ((lastrun != 0) && (t < lastrun + (5 * 60)))
return;
/* count how many syncs we might need to do */
for (work=unicast_subnet->workgrouplist; work; work = work->next) {
if (strcmp(lp_workgroup(), work->work_group)) {
count++;
}
}
/* sync with a probability of 1/count */
for (work=unicast_subnet->workgrouplist; work; work = work->next) {
if (strcmp(lp_workgroup(), work->work_group)) {
unstring dmb_name;
if (((unsigned)sys_random()) % count != 0)
continue;
lastrun = t;
if (!work->dmb_name.name[0]) {
/* we don't know the DMB - assume it is
the same as the unicast local master */
make_nmb_name(&work->dmb_name,
work->local_master_browser_name,
0x20);
}
pull_ascii_nstring(dmb_name, sizeof(dmb_name), work->dmb_name.name);
DEBUG(3,("Initiating DMB<->DMB sync with %s(%s)\n",
dmb_name, inet_ntoa(work->dmb_addr)));
sync_browse_lists(work,
dmb_name,
work->dmb_name.name_type,
work->dmb_addr, False, False);
}
}
}
struct subnet_record *get_next_subnet_maybe_unicast(struct subnet_record *subrec)
{
if(subrec == unicast_subnet)
return NULL;
else if((subrec->next == NULL) && we_are_a_wins_client())
return unicast_subnet;
else
return subrec->next;
}
struct subnet_record *get_next_subnet_maybe_unicast_or_wins_server(struct subnet_record *subrec)
{
if(subrec == unicast_subnet) {
if(wins_server_subnet)
return wins_server_subnet;
else
return NULL;
}
if(wins_server_subnet && subrec == wins_server_subnet)
return NULL;
if((subrec->next == NULL) && we_are_a_wins_client())
return unicast_subnet;
else
return subrec->next;
}
void announce_myself_to_domain_master_browser(time_t t)
{
struct subnet_record *subrec;
struct work_record *work;
if(!we_are_a_wins_client())
{
DEBUG(10,("announce_myself_to_domain_master_browser: no unicast subnet, ignoring.\n"));
return;
}
if (!announce_timer_last)
announce_timer_last = t;
if ((t-announce_timer_last) < (CHECK_TIME_MST_ANNOUNCE * 60))
{
DEBUG(10,("announce_myself_to_domain_master_browser: t (%d) - last(%d) < %d\n",
(int)t, (int)announce_timer_last,
CHECK_TIME_MST_ANNOUNCE * 60 ));
return;
}
announce_timer_last = t;
/* Look over all our broadcast subnets to see if any of them
has the state set as local master browser. */
for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
{
for (work = subrec->workgrouplist; work; work = work->next)
{
if (AM_LOCAL_MASTER_BROWSER(work))
{
DEBUG(4,( "announce_myself_to_domain_master_browser: I am a local master browser for \
workgroup %s on subnet %s\n", work->work_group, subrec->subnet_name));
/* Look in nmbd_browsersync.c for the rest of this code. */
announce_and_sync_with_domain_master_browser(subrec, work);
}
}
}
}
