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/*
Unix SMB/CIFS implementation.
NBT interface handling
Copyright (C) Andrew Tridgell 2005
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
the Free Software Foundation; either version 2 of the License, or
(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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "dlinklist.h"
#include "nbt_server/nbt_server.h"
#include "smbd/service_task.h"
#include "libcli/nbt/libnbt.h"
/*
start listening on the given address
*/
static NTSTATUS nbt_add_socket(struct nbt_server *nbtsrv,
const char *address, const char *bcast)
{
struct nbt_interface *iface;
NTSTATUS status;
iface = talloc(nbtsrv, struct nbt_interface);
NT_STATUS_HAVE_NO_MEMORY(iface);
iface->nbtsrv = nbtsrv;
iface->bcast_address = talloc_steal(iface, bcast);
iface->ip_address = talloc_steal(iface, address);
iface->nbtsock = nbt_name_socket_init(iface, nbtsrv->task->event_ctx);
NT_STATUS_HAVE_NO_MEMORY(iface->ip_address);
status = socket_listen(iface->nbtsock->sock, address, lp_nbt_port(), 0, 0);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to bind to %s:%d - %s\n",
address, lp_nbt_port(), nt_errstr(status)));
talloc_free(iface);
return status;
}
DLIST_ADD(nbtsrv->interfaces, iface);
return NT_STATUS_OK;
}
/*
setup our listening sockets on the configured network interfaces
*/
NTSTATUS nbt_startup_interfaces(struct nbt_server *nbtsrv)
{
int num_interfaces = iface_count();
int i;
TALLOC_CTX *tmp_ctx = talloc_new(nbtsrv);
NTSTATUS status;
status = nbt_add_socket(nbtsrv,
talloc_strdup(tmp_ctx, "0.0.0.0"),
talloc_strdup(tmp_ctx, "255.255.255.255"));
NT_STATUS_NOT_OK_RETURN(status);
for (i=0; i<num_interfaces; i++) {
const char *address = talloc_strdup(tmp_ctx, sys_inet_ntoa(*iface_n_ip(i)));
const char *bcast = talloc_strdup(tmp_ctx, sys_inet_ntoa(*iface_n_bcast(i)));
status = nbt_add_socket(nbtsrv, address, bcast);
NT_STATUS_NOT_OK_RETURN(status);
}
talloc_free(tmp_ctx);
return NT_STATUS_OK;
}
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