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/*
Unix SMB/CIFS implementation.
auto-idl scanner
Copyright (C) Andrew Tridgell 2003
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"
static void reopen(struct dcerpc_pipe **p, const struct dcerpc_interface_table *iface)
{
NTSTATUS status;
if (*p) {
dcerpc_pipe_close(*p);
}
status = torture_rpc_connection(p, iface->endpoints->names[0], iface->uuid, iface->if_version);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to reopen '%s' - %s\n", iface->name, nt_errstr(status));
exit(1);
}
}
static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
int opnum, int min_in)
{
DATA_BLOB stub_in, stub_out;
int ofs;
NTSTATUS status;
struct dcerpc_pipe *p = NULL;
reopen(&p, iface);
stub_in = data_blob(NULL, min_in);
data_blob_clear(&stub_in);
/* work out the minimum amount of input data */
for (ofs=0;ofs<min_in;ofs+=4) {
SIVAL(stub_in.data, ofs, 1);
status = dcerpc_request(p, opnum, mem_ctx, &stub_in, &stub_out);
SIVAL(stub_in.data, ofs, 0);
if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
printf("opnum %d ofs %d size %d fault 0x%08x\n",
opnum, ofs, min_in, p->last_fault_code);
if (p->last_fault_code == 5) {
reopen(&p, iface);
}
continue;
}
printf("opnum %d ofs %d error %s\n", opnum, ofs, nt_errstr(status));
}
dcerpc_pipe_close(p);
}
static void test_scan_call(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface, int opnum)
{
DATA_BLOB stub_in, stub_out;
int i;
NTSTATUS status;
struct dcerpc_pipe *p = NULL;
reopen(&p, iface);
/* work out the minimum amount of input data */
for (i=0;i<100;i++) {
stub_in = data_blob(NULL, i);
data_blob_clear(&stub_in);
status = dcerpc_request(p, opnum, mem_ctx, &stub_in, &stub_out);
if (NT_STATUS_IS_OK(status)) {
printf("opnum %d min_input %d - output %d\n",
opnum, stub_in.length, stub_out.length);
dcerpc_pipe_close(p);
test_ptr_scan(mem_ctx, iface, opnum, stub_in.length);
return;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
printf("opnum %d size %d fault 0x%08x\n", opnum, i, p->last_fault_code);
if (p->last_fault_code == 5) {
reopen(&p, iface);
}
continue;
}
printf("opnum %d size %d error %s\n", opnum, i, nt_errstr(status));
}
printf("opnum %d minimum not found!?\n", opnum);
dcerpc_pipe_close(p);
}
static void test_auto_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface)
{
int i;
for (i=0;i<100;i++) {
test_scan_call(mem_ctx, iface, i);
}
}
BOOL torture_rpc_autoidl(int dummy)
{
NTSTATUS status;
TALLOC_CTX *mem_ctx;
const struct dcerpc_interface_table *iface;
char *host = lp_parm_string(-1, "torture", "host");
char *transport = lp_parm_string(-1, "torture", "transport");
iface = idl_iface_by_name("browser");
if (!iface) {
printf("Unknown interface!\n");
return False;
}
mem_ctx = talloc_init("torture_rpc_autoidl");
printf("\nProbing pipe '%s'\n", iface->name);
/* on TCP we need to find the right endpoint */
if (strcasecmp(transport, "ncacn_ip_tcp") == 0) {
uint32 port;
status = dcerpc_epm_map_tcp_port(host, iface->uuid, iface->if_version, &port);
if (!NT_STATUS_IS_OK(status)) {
return False;
}
lp_set_cmdline("torture:share", talloc_asprintf(mem_ctx, "%u", port));
}
test_auto_scan(mem_ctx, iface);
return True;
}
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