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/*
Unix SMB/CIFS implementation.
NBT name registration 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 "librpc/gen_ndr/ndr_nbt.h"
#include "lib/socket/socket.h"
#define CHECK_VALUE(v, correct) do { \
if ((v) != (correct)) { \
printf("(%s) Incorrect value %s=%d - should be %d\n", \
__location__, #v, (int)v, (int)correct); \
ret = False; \
}} while (0)
#define CHECK_STRING(v, correct) do { \
if (StrCaseCmp(v, correct) != 0) { \
printf("(%s) Incorrect value %s='%s' - should be '%s'\n", \
__location__, #v, v, correct); \
ret = False; \
}} while (0)
/*
test that a server responds correctly to attempted registrations of its name
*/
static BOOL nbt_register_own(TALLOC_CTX *mem_ctx, struct nbt_name *name,
const char *address)
{
struct nbt_name_register io;
NTSTATUS status;
struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
BOOL ret = True;
const char *myaddress = iface_best_ip(address);
socket_listen(nbtsock->sock, myaddress, 0, 0, 0);
printf("Testing name defense to name registration\n");
io.in.name = *name;
io.in.dest_addr = address;
io.in.address = myaddress;
io.in.nb_flags = NBT_NODE_B | NBT_NM_ACTIVE;
io.in.register_demand = False;
io.in.broadcast = True;
io.in.multi_homed = False;
io.in.ttl = 1234;
io.in.timeout = 3;
io.in.retries = 0;
status = nbt_name_register(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name register\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name register - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
/* check a register demand */
io.in.address = myaddress;
io.in.register_demand = True;
status = nbt_name_register(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name register\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name register - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
return ret;
}
/*
test that a server responds correctly to attempted name refresh requests
*/
static BOOL nbt_refresh_own(TALLOC_CTX *mem_ctx, struct nbt_name *name,
const char *address)
{
struct nbt_name_refresh io;
NTSTATUS status;
struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
BOOL ret = True;
const char *myaddress = iface_best_ip(address);
socket_listen(nbtsock->sock, myaddress, 0, 0, 0);
printf("Testing name defense to name refresh\n");
io.in.name = *name;
io.in.dest_addr = address;
io.in.address = myaddress;
io.in.nb_flags = NBT_NODE_B | NBT_NM_ACTIVE;
io.in.broadcast = False;
io.in.ttl = 1234;
io.in.timeout = 3;
io.in.retries = 0;
status = nbt_name_refresh(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name refresh\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name refresh - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
return ret;
}
/*
test name registration to a server
*/
BOOL torture_nbt_register(void)
{
const char *address;
struct nbt_name name;
TALLOC_CTX *mem_ctx = talloc_new(NULL);
NTSTATUS status;
BOOL ret = True;
make_nbt_name_server(&name, strupper_talloc(mem_ctx, lp_parm_string(-1, "torture", "host")));
/* 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_register_own(mem_ctx, &name, address);
ret &= nbt_refresh_own(mem_ctx, &name, address);
talloc_free(mem_ctx);
return ret;
}
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