void sync_browse_lists(struct work_record *work,
char *name, int nm_type,
struct in_addr ip, bool local, bool servers)
{
struct sync_record *s;
static int counter;
START_PROFILE(sync_browse_lists);
/* Check we're not trying to sync with ourselves. This can
happen if we are a domain *and* a local master browser. */
if (ismyip_v4(ip)) {
done:
END_PROFILE(sync_browse_lists);
return;
}
s = SMB_MALLOC_P(struct sync_record);
if (!s) goto done;
ZERO_STRUCTP(s);
unstrcpy(s->workgroup, work->work_group);
unstrcpy(s->server, name);
s->ip = ip;
if (asprintf(&s->fname, "%s/sync.%d", lp_lockdir(), counter++) < 0) {
SAFE_FREE(s);
goto done;
}
/* Safe to use as 0 means no size change. */
all_string_sub(s->fname,"//", "/", 0);
DLIST_ADD(syncs, s);
/* the parent forks and returns, leaving the child to do the
actual sync and call END_PROFILE*/
CatchChild();
if ((s->pid = sys_fork())) return;
BlockSignals( False, SIGTERM );
DEBUG(2,("Initiating browse sync for %s to %s(%s)\n",
work->work_group, name, inet_ntoa(ip)));
fp = x_fopen(s->fname,O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (!fp) {
END_PROFILE(sync_browse_lists);
_exit(1);
}
sync_child(name, nm_type, work->work_group, ip, local, servers,
s->fname);
x_fclose(fp);
END_PROFILE(sync_browse_lists);
_exit(0);
}
static void find_all_domain_master_names_query_success(struct subnet_record *subrec,
struct userdata_struct *userdata_in,
struct nmb_name *q_name, struct in_addr answer_ip, struct res_rec *rrec)
{
/*
* We now have a list of all the domain master browsers for all workgroups
* that have registered with the WINS server. Now do a node status request
* to each one and look for the first 1b name in the reply. This will be
* the workgroup name that we will add to the unicast subnet as a 'non-local'
* workgroup.
*/
struct nmb_name nmbname;
struct in_addr send_ip;
int i;
if( DEBUGLVL( 5 ) ) {
dbgtext( "find_all_domain_master_names_query_succes:\n" );
dbgtext( "Got answer from WINS server of %d ", (rrec->rdlength / 6) );
dbgtext( "IP addresses for Domain Master Browsers.\n" );
}
for(i = 0; i < rrec->rdlength / 6; i++) {
/* Initiate the node status requests. */
make_nmb_name(&nmbname, "*", 0);
putip((char *)&send_ip, (char *)&rrec->rdata[(i*6) + 2]);
/*
* Don't send node status requests to ourself.
*/
if(ismyip_v4( send_ip )) {
if( DEBUGLVL( 5 ) ) {
dbgtext( "find_all_domain_master_names_query_succes:\n" );
dbgtext( "Not sending node status to our own IP " );
dbgtext( "%s.\n", inet_ntoa(send_ip) );
}
continue;
}
if( DEBUGLVL( 5 ) ) {
dbgtext( "find_all_domain_master_names_query_success:\n" );
dbgtext( "Sending node status request to IP %s.\n", inet_ntoa(send_ip) );
}
node_status( subrec, &nmbname, send_ip,
get_domain_master_name_node_status_success,
get_domain_master_name_node_status_fail,
NULL);
}
}
static void announce_local_master_browser_to_domain_master_browser( struct work_record *work)
{
char outbuf[1024];
unstring myname;
unstring dmb_name;
char *p;
if(ismyip_v4(work->dmb_addr)) {
if( DEBUGLVL( 2 ) ) {
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "We are both a domain and a local master browser for " );
dbgtext( "workgroup %s. ", work->work_group );
dbgtext( "Do not announce to ourselves.\n" );
}
return;
}
memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
SCVAL(p,0,ANN_MasterAnnouncement);
p++;
unstrcpy(myname, lp_netbios_name());
if (!strupper_m(myname)) {
DEBUG(2,("strupper_m %s failed\n", myname));
return;
}
myname[15]='\0';
/* The call below does CH_UNIX -> CH_DOS conversion. JRA */
push_ascii(p, myname, sizeof(outbuf)-PTR_DIFF(p,outbuf)-1, STR_TERMINATE);
p = skip_string(outbuf,sizeof(outbuf),p);
if( DEBUGLVL( 4 ) ) {
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "Sending local master announce to " );
dbgtext( "%s for workgroup %s.\n", nmb_namestr(&work->dmb_name),
work->work_group );
}
/* Target name for send_mailslot must be in UNIX charset. */
pull_ascii_nstring(dmb_name, sizeof(dmb_name), work->dmb_name.name);
send_mailslot(True, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
lp_netbios_name(), 0x0, dmb_name, 0x0,
work->dmb_addr, FIRST_SUBNET->myip, DGRAM_PORT);
}
