static bool process_one(struct loadparm_context *lp_ctx, struct tevent_context *ev,
struct interface *ifaces, const char *name, int nbt_port)
{
TALLOC_CTX *tmp_ctx = talloc_new(NULL);
enum nbt_name_type node_type = NBT_NAME_CLIENT;
char *node_name, *p;
struct socket_address *all_zero_addr;
struct nbt_name_socket *nbtsock;
NTSTATUS status = NT_STATUS_OK;
bool ret = true;
if (!options.case_sensitive) {
name = strupper_talloc(tmp_ctx, name);
}
if (options.find_master) {
node_type = NBT_NAME_MASTER;
if (*name == '-' || *name == '_') {
name = "\01\02__MSBROWSE__\02";
node_type = NBT_NAME_MS;
}
}
p = strchr(name, '#');
if (p) {
node_name = talloc_strndup(tmp_ctx, name, PTR_DIFF(p,name));
node_type = (enum nbt_name_type)strtol(p+1, NULL, 16);
} else {
node_name = talloc_strdup(tmp_ctx, name);
}
nbtsock = nbt_name_socket_init(tmp_ctx, ev);
if (options.root_port) {
all_zero_addr = socket_address_from_strings(tmp_ctx, nbtsock->sock->backend_name,
"0.0.0.0", NBT_NAME_SERVICE_PORT);
if (!all_zero_addr) {
talloc_free(tmp_ctx);
return false;
}
status = socket_listen(nbtsock->sock, all_zero_addr, 0, 0);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to bind to local port 137 - %s\n", nt_errstr(status));
talloc_free(tmp_ctx);
return false;
}
}
if (options.lookup_by_ip) {
ret = do_node_status(nbtsock, name, nbt_port);
talloc_free(tmp_ctx);
return ret;
}
if (options.broadcast_address) {
status = do_node_query(nbtsock, options.broadcast_address, nbt_port,
node_name, node_type, true);
} else if (options.unicast_address) {
status = do_node_query(nbtsock, options.unicast_address,
nbt_port, node_name, node_type, false);
} else {
int i, num_interfaces;
num_interfaces = iface_list_count(ifaces);
for (i=0;i<num_interfaces;i++) {
const char *bcast = iface_list_n_bcast(ifaces, i);
if (bcast == NULL) continue;
status = do_node_query(nbtsock, bcast, nbt_port,
node_name, node_type, true);
if (NT_STATUS_IS_OK(status)) break;
}
}
if (!NT_STATUS_IS_OK(status)) {
printf("Lookup failed - %s\n", nt_errstr(status));
ret = false;
}
talloc_free(tmp_ctx);
return ret;
}
/*
setup our listening sockets on the configured network interfaces
*/
NTSTATUS nbtd_startup_interfaces(struct nbtd_server *nbtsrv, struct loadparm_context *lp_ctx,
struct interface *ifaces)
{
int num_interfaces = iface_list_count(ifaces);
int i;
TALLOC_CTX *tmp_ctx = talloc_new(nbtsrv);
NTSTATUS status;
/* if we are allowing incoming packets from any address, then
we also need to bind to the wildcard address */
if (!lpcfg_bind_interfaces_only(lp_ctx)) {
const char *primary_address;
primary_address = iface_list_first_v4(ifaces);
/* the primary address is the address we will return
for non-WINS queries not made on a specific
interface */
if (primary_address == NULL) {
primary_address = inet_ntoa(interpret_addr2(
lpcfg_netbios_name(lp_ctx)));
}
primary_address = talloc_strdup(tmp_ctx, primary_address);
NT_STATUS_HAVE_NO_MEMORY(primary_address);
status = nbtd_add_socket(nbtsrv,
lp_ctx,
"0.0.0.0",
primary_address,
talloc_strdup(tmp_ctx, "255.255.255.255"),
talloc_strdup(tmp_ctx, "0.0.0.0"));
NT_STATUS_NOT_OK_RETURN(status);
}
for (i=0; i<num_interfaces; i++) {
const char *bcast;
const char *address, *netmask;
if (!iface_list_n_is_v4(ifaces, i)) {
/* v4 only for NBT protocol */
continue;
}
bcast = iface_list_n_bcast(ifaces, i);
/* we can't assume every interface is broadcast capable */
if (bcast == NULL) continue;
address = talloc_strdup(tmp_ctx, iface_list_n_ip(ifaces, i));
bcast = talloc_strdup(tmp_ctx, bcast);
netmask = talloc_strdup(tmp_ctx, iface_list_n_netmask(ifaces, i));
status = nbtd_add_socket(nbtsrv, lp_ctx,
address, address, bcast, netmask);
NT_STATUS_NOT_OK_RETURN(status);
}
if (lpcfg_wins_server_list(lp_ctx)) {
status = nbtd_add_wins_socket(nbtsrv);
NT_STATUS_NOT_OK_RETURN(status);
}
talloc_free(tmp_ctx);
return NT_STATUS_OK;
}
