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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 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 "torture/torture.h"
#include "librpc/gen_ndr/ndr_mgmt_c.h"
#include "librpc/rpc/dcerpc_table.h"
#include "torture/rpc/rpc.h"
/*
work out how many calls there are for an interface
*/
static BOOL test_num_calls(const struct dcerpc_interface_table *iface,
TALLOC_CTX *mem_ctx,
struct dcerpc_syntax_id *id)
{
struct dcerpc_pipe *p;
NTSTATUS status;
int i;
DATA_BLOB stub_in, stub_out;
int idl_calls;
struct dcerpc_interface_table tbl;
/* FIXME: This should be fixed when torture_rpc_connection
* takes a dcerpc_syntax_id */
tbl.name = iface->name;
tbl.syntax_id = *id;
status = torture_rpc_connection(mem_ctx, &p, iface);
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 False;
}
/* make null calls */
stub_in = data_blob(NULL, 1000);
memset(stub_in.data, 0xFF, stub_in.length);
for (i=0;i<200;i++) {
status = dcerpc_request(p, NULL, False, i, mem_ctx, &stub_in, &stub_out);
if (!NT_STATUS_IS_OK(status) &&
p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
break;
}
if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 5) {
printf("\tpipe disconnected at %d\n", i);
goto done;
}
if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 0x80010111) {
printf("\terr 0x80010111 at %d\n", i);
goto done;
}
}
printf("\t%d calls available\n", i);
idl_calls = idl_num_calls(&id->uuid, id->if_version);
if (idl_calls == -1) {
printf("\tinterface not known in local IDL\n");
} else if (i != idl_calls) {
printf("\tWARNING: local IDL defines %u calls\n", idl_calls);
} else {
printf("\tOK: matches num_calls in local IDL\n");
}
done:
talloc_free(p);
return True;
}
/*
ask the server what interface IDs are available on this endpoint
*/
static BOOL test_inq_if_ids(struct dcerpc_pipe *p,
TALLOC_CTX *mem_ctx,
const struct dcerpc_interface_table *iface)
{
NTSTATUS status;
struct mgmt_inq_if_ids r;
int i;
status = dcerpc_mgmt_inq_if_ids(p, mem_ctx, &r);
if (!NT_STATUS_IS_OK(status)) {
printf("inq_if_ids failed - %s\n", nt_errstr(status));
return False;
}
if (!W_ERROR_IS_OK(r.out.result)) {
printf("inq_if_ids gave error code %s\n", win_errstr(r.out.result));
return False;
}
if (!r.out.if_id_vector) {
printf("inq_if_ids gave NULL if_id_vector\n");
return False;
}
for (i=0;i<r.out.if_id_vector->count;i++) {
const char *uuid;
struct dcerpc_syntax_id *id = r.out.if_id_vector->if_id[i].id;
if (!id) continue;
uuid = GUID_string(mem_ctx, &id->uuid),
printf("\n\tuuid %s version 0x%08x '%s'\n",
uuid,
id->if_version, idl_pipe_name(&id->uuid, id->if_version));
test_num_calls(iface, mem_ctx, id);
}
return True;
}
BOOL torture_rpc_scanner(struct torture_context *torture)
{
NTSTATUS status;
struct dcerpc_pipe *p;
TALLOC_CTX *mem_ctx, *loop_ctx;
BOOL ret = True;
const struct dcerpc_interface_list *l;
const char *binding = torture_setting_string(torture, "binding", NULL);
struct dcerpc_binding *b;
mem_ctx = talloc_init("torture_rpc_scanner");
if (!binding) {
talloc_free(mem_ctx);
printf("You must supply a ncacn binding string\n");
return False;
}
status = dcerpc_parse_binding(mem_ctx, binding, &b);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(mem_ctx);
printf("Failed to parse binding '%s'\n", binding);
return False;
}
for (l=librpc_dcerpc_pipes();l;l=l->next) {
loop_ctx = talloc_named(mem_ctx, 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 (b->transport == NCACN_IP_TCP) {
status = dcerpc_epm_map_binding(mem_ctx, b, l->table, NULL);
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 {
b->endpoint = talloc_strdup(b, l->table->name);
}
lp_set_cmdline("torture:binding", dcerpc_binding_string(mem_ctx, b));
status = torture_rpc_connection(loop_ctx, &p, &dcerpc_table_mgmt);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(loop_ctx);
ret = False;
continue;
}
if (!test_inq_if_ids(p, mem_ctx, l->table)) {
ret = False;
}
}
return ret;
}
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