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/*
Unix SMB/CIFS implementation.
scanner for rpc calls
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_mgmt_c.h"
#include "librpc/ndr/ndr_table.h"
#include "torture/rpc/torture_rpc.h"
#include "param/param.h"
/*
work out how many calls there are for an interface
*/
static bool test_num_calls(struct torture_context *tctx,
const struct ndr_interface_table *iface,
TALLOC_CTX *mem_ctx,
struct ndr_syntax_id *id)
{
struct dcerpc_pipe *p;
NTSTATUS status;
unsigned int i;
DATA_BLOB stub_in, stub_out;
struct ndr_interface_table _tbl;
const struct ndr_interface_table *tbl;
/* FIXME: This should be fixed when torture_rpc_connection
* takes a ndr_syntax_id */
tbl = ndr_table_by_syntax(id);
if (tbl == NULL) {
_tbl = *iface;
_tbl.name = "__unknown__";
_tbl.syntax_id = *id;
_tbl.num_calls = UINT32_MAX;
tbl = &_tbl;
}
status = torture_rpc_connection(tctx, &p, tbl);
if (!NT_STATUS_IS_OK(status)) {
char *uuid_str = GUID_string(mem_ctx, &id->uuid);
printf("Failed to connect to '%s' on '%s' - %s\n",
uuid_str, iface->name, nt_errstr(status));
talloc_free(uuid_str);
return true;
}
/* make null calls */
stub_in = data_blob_talloc(mem_ctx, NULL, 1000);
memset(stub_in.data, 0xFF, stub_in.length);
for (i=0;i<200;i++) {
bool ok;
uint32_t out_flags = 0;
status = dcerpc_binding_handle_raw_call(p->binding_handle,
NULL, i,
0, /* in_flags */
stub_in.data,
stub_in.length,
mem_ctx,
&stub_out.data,
&stub_out.length,
&out_flags);
ok = dcerpc_binding_handle_is_connected(p->binding_handle);
if (!ok) {
printf("\tpipe disconnected at %u\n", i);
goto done;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
break;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
printf("\taccess denied at %u\n", i);
goto done;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROTOCOL_ERROR)) {
printf("\tprotocol error at %u\n", i);
}
}
printf("\t%d calls available\n", i);
if (tbl->num_calls == UINT32_MAX) {
printf("\tinterface not known in local IDL\n");
} else if (tbl->num_calls != i) {
printf("\tWARNING: local IDL defines %u calls\n",
(unsigned int)tbl->num_calls);
} else {
printf("\tOK: matches num_calls in local IDL\n");
}
done:
talloc_free(p);
return true;
}
bool torture_rpc_scanner(struct torture_context *torture)
{
NTSTATUS status;
struct dcerpc_pipe *p;
TALLOC_CTX *loop_ctx;
bool ret = true;
const struct ndr_interface_list *l;
struct dcerpc_binding *b;
enum dcerpc_transport_t transport;
status = torture_rpc_binding(torture, &b);
if (!NT_STATUS_IS_OK(status)) {
return false;
}
transport = dcerpc_binding_get_transport(b);
for (l=ndr_table_list();l;l=l->next) {
loop_ctx = talloc_named(torture, 0, "torture_rpc_scanner loop context");
/* some interfaces are not mappable */
if (l->table->num_calls == 0 ||
strcmp(l->table->name, "mgmt") == 0) {
talloc_free(loop_ctx);
continue;
}
printf("\nTesting pipe '%s'\n", l->table->name);
if (transport == NCACN_IP_TCP) {
status = dcerpc_epm_map_binding(torture, b, l->table,
torture->ev,
torture->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to map port for uuid %s\n",
GUID_string(loop_ctx, &l->table->syntax_id.uuid));
talloc_free(loop_ctx);
continue;
}
} else {
status = dcerpc_binding_set_string_option(b, "endpoint",
l->table->name);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(loop_ctx);
ret = false;
continue;
}
status = dcerpc_binding_set_abstract_syntax(b,
&l->table->syntax_id);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(loop_ctx);
ret = false;
continue;
}
}
lpcfg_set_cmdline(torture->lp_ctx, "torture:binding", dcerpc_binding_string(torture, b));
status = torture_rpc_connection(torture, &p, &ndr_table_mgmt);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(loop_ctx);
ret = false;
continue;
}
if (!test_inq_if_ids(torture, p->binding_handle, torture, test_num_calls, l->table)) {
ret = false;
}
}
return ret;
}
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