static void remove_permanent_name_from_unicast( struct subnet_record *subrec,
struct nmb_name *nmbname )
{
struct name_record *namerec;
if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) != NULL) {
/* Remove this broadcast subnet IP address from the name. */
remove_ip_from_name_record( namerec, subrec->myip);
if(namerec->data.num_ips == 0)
remove_name_from_namelist( unicast_subnet, namerec);
}
}
void run_elections(time_t t)
{
static time_t lastime = 0;
struct subnet_record *subrec;
/* Send election packets once every 2 seconds - note */
if (lastime && (t - lastime < 2))
return;
lastime = t;
START_PROFILE(run_elections);
for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
{
struct work_record *work;
for (work = subrec->workgrouplist; work; work = work->next)
{
if (work->RunningElection)
{
/*
* We can only run an election for a workgroup if we have
* registered the WORKGROUP<1e> name, as that's the name
* we must listen to.
*/
struct nmb_name nmbname;
make_nmb_name(&nmbname, work->work_group, 0x1e);
if(find_name_on_subnet( subrec, &nmbname, FIND_SELF_NAME)==NULL) {
DEBUG(8,("run_elections: Cannot send election packet yet as name %s not \
yet registered on subnet %s\n", nmb_namestr(&nmbname), subrec->subnet_name ));
continue;
}
send_election_dgram(subrec, work->work_group, work->ElectionCriterion,
t - StartupTime, global_myname);
if (work->ElectionCount++ >= 4)
{
/* Won election (4 packets were sent out uncontested. */
DEBUG(2,("run_elections: >>> Won election for workgroup %s on subnet %s <<<\n",
work->work_group, subrec->subnet_name ));
work->RunningElection = False;
become_local_master_browser(subrec, work);
}
}
}
}
BOOL find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp)
{
struct name_record *namerec;
*namerecp = NULL;
if((namerec = find_name_on_subnet(remote_broadcast_subnet, nmbname, FIND_ANY_NAME))==NULL)
return False;
if(!NAME_IS_ACTIVE(namerec) || (namerec->data.source != LMHOSTS_NAME))
return False;
*namerecp = namerec;
return True;
}
void insert_permanent_name_into_unicast( struct subnet_record *subrec,
struct nmb_name *nmbname, uint16 nb_type )
{
unstring name;
struct name_record *namerec;
if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) == NULL) {
pull_ascii_nstring(name, sizeof(name), nmbname->name);
/* The name needs to be created on the unicast subnet. */
(void)add_name_to_subnet( unicast_subnet, name,
nmbname->name_type, nb_type,
PERMANENT_TTL, PERMANENT_NAME, 1, &subrec->myip);
} else {
/* The name already exists on the unicast subnet. Add our local
IP for the given broadcast subnet to the name. */
add_ip_to_name_record( namerec, subrec->myip);
}
}
static struct name_record *add_dns_result(struct nmb_name *question, struct in_addr addr)
{
int name_type = question->name_type;
unstring qname;
pull_ascii_nstring(qname, sizeof(qname), question->name);
if (!addr.s_addr) {
/* add the fail to WINS cache of names. give it 1 hour in the cache */
DEBUG(3,("add_dns_result: Negative DNS answer for %s\n", qname));
add_name_to_subnet( wins_server_subnet, qname, name_type,
NB_ACTIVE, 60*60, DNSFAIL_NAME, 1, &addr );
return NULL;
}
/* add it to our WINS cache of names. give it 2 hours in the cache */
DEBUG(3,("add_dns_result: DNS gave answer for %s of %s\n", qname, inet_ntoa(addr)));
add_name_to_subnet( wins_server_subnet, qname, name_type,
NB_ACTIVE, 2*60*60, DNS_NAME, 1, &addr);
return find_name_on_subnet(wins_server_subnet, question, FIND_ANY_NAME);
}
