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/*
Unix SMB/CIFS implementation.
NBT dgram testing
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 "libcli/nbt/libnbt.h"
#include "libcli/dgram/libdgram.h"
#include "librpc/gen_ndr/ndr_nbt.h"
#include "lib/socket/socket.h"
#include "lib/events/events.h"
#define TEST_NAME "TORTURE_TEST"
/*
reply handler for netlogon request
*/
static void netlogon_handler(struct dgram_mailslot_handler *dgmslot,
struct nbt_dgram_packet *packet,
const char *src_address, int src_port)
{
NTSTATUS status;
struct nbt_netlogon_packet netlogon;
int *replies = dgmslot->private;
printf("netlogon reply from %s:%d\n", src_address, src_port);
status = dgram_mailslot_netlogon_parse(dgmslot, dgmslot, packet, &netlogon);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to parse netlogon packet from %s:%d\n",
src_address, src_port);
return;
}
NDR_PRINT_DEBUG(nbt_netlogon_packet, &netlogon);
(*replies)++;
}
/* test UDP/138 netlogon requests */
static BOOL nbt_test_netlogon(TALLOC_CTX *mem_ctx,
struct nbt_name name, const char *address)
{
struct dgram_mailslot_handler *dgmslot;
struct nbt_dgram_socket *dgmsock = nbt_dgram_socket_init(mem_ctx, NULL);
const char *myaddress = talloc_strdup(mem_ctx, iface_best_ip(address));
struct nbt_netlogon_packet logon;
struct nbt_name myname;
NTSTATUS status;
struct timeval tv = timeval_current();
int replies = 0;
/* try receiving replies on port 138 first, which will only
work if we are root and smbd/nmbd are not running - fall
back to listening on any port, which means replies from
some windows versions won't be seen */
status = socket_listen(dgmsock->sock, myaddress, lp_dgram_port(), 0, 0);
if (!NT_STATUS_IS_OK(status)) {
socket_listen(dgmsock->sock, myaddress, 0, 0, 0);
}
/* setup a temporary mailslot listener for replies */
dgmslot = dgram_mailslot_temp(dgmsock, NBT_MAILSLOT_GETDC,
netlogon_handler, &replies);
ZERO_STRUCT(logon);
logon.command = NETLOGON_QUERY_FOR_PDC;
logon.req.pdc.computer_name = TEST_NAME;
logon.req.pdc.mailslot_name = dgmslot->mailslot_name;
logon.req.pdc.unicode_name = TEST_NAME;
logon.req.pdc.nt_version = 1;
logon.req.pdc.lmnt_token = 0xFFFF;
logon.req.pdc.lm20_token = 0xFFFF;
myname.name = TEST_NAME;
myname.type = NBT_NAME_CLIENT;
myname.scope = NULL;
status = dgram_mailslot_netlogon_send(dgmsock, &name, address, &myname, &logon);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to send netlogon request - %s\n", nt_errstr(status));
goto failed;
}
while (timeval_elapsed(&tv) < 5 && replies == 0) {
event_loop_once(dgmsock->event_ctx);
}
talloc_free(dgmsock);
return True;
failed:
talloc_free(dgmsock);
return False;
}
/*
test nbt dgram operations
*/
BOOL torture_nbt_dgram(void)
{
const char *address;
struct nbt_name name;
TALLOC_CTX *mem_ctx = talloc_new(NULL);
NTSTATUS status;
BOOL ret = True;
name.name = lp_parm_string(-1, "torture", "host");
name.type = NBT_NAME_PDC;
name.scope = NULL;
/* do an initial name resolution to find its IP */
status = resolve_name(&name, mem_ctx, &address);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to resolve %s - %s\n",
name.name, nt_errstr(status));
talloc_free(mem_ctx);
return False;
}
ret &= nbt_test_netlogon(mem_ctx, name, address);
talloc_free(mem_ctx);
return ret;
}
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