2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "torture/torture.h"
25 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
26 #include "librpc/gen_ndr/ndr_misc.h"
27 #include "librpc/rpc/dcerpc_table.h"
28 #include "torture/rpc/rpc.h"
33 get a DRSUAPI policy handle
35 static BOOL get_policy_handle(struct dcerpc_pipe *p,
37 struct policy_handle *handle)
40 struct drsuapi_DsBind r;
43 r.out.bind_handle = handle;
45 status = dcerpc_drsuapi_DsBind(p, mem_ctx, &r);
46 if (!NT_STATUS_IS_OK(status)) {
47 printf("drsuapi_DsBind failed - %s\n", nt_errstr(status));
57 static BOOL get_policy_handle(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
58 struct policy_handle *handle)
61 struct samr_Connect r;
64 r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
65 r.out.connect_handle = handle;
67 status = dcerpc_samr_Connect(p, mem_ctx, &r);
68 if (!NT_STATUS_IS_OK(status)) {
69 printf("samr_Connect failed - %s\n", nt_errstr(status));
77 static void fill_blob_handle(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
78 struct policy_handle *handle)
82 if (blob->length < 20) {
86 ndr_push_struct_blob(&b2, mem_ctx, handle, (ndr_push_flags_fn_t)ndr_push_policy_handle);
88 memcpy(blob->data, b2.data, 20);
91 static void reopen(TALLOC_CTX *mem_ctx,
92 struct dcerpc_pipe **p,
93 const struct dcerpc_interface_table *iface)
99 status = torture_rpc_connection(mem_ctx,
101 if (!NT_STATUS_IS_OK(status)) {
102 printf("Failed to reopen '%s' - %s\n", iface->name, nt_errstr(status));
107 static void print_depth(int depth)
110 for (i=0;i<depth;i++) {
115 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
116 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth);
118 static void try_expand(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
119 int opnum, DATA_BLOB *base_in, int insert_ofs, int depth)
121 DATA_BLOB stub_in, stub_out;
124 struct dcerpc_pipe *p = NULL;
126 reopen(mem_ctx, &p, iface);
128 /* work out how much to expand to get a non fault */
129 for (n=0;n<2000;n++) {
130 stub_in = data_blob(NULL, base_in->length + n);
131 data_blob_clear(&stub_in);
132 memcpy(stub_in.data, base_in->data, insert_ofs);
133 memcpy(stub_in.data+insert_ofs+n, base_in->data+insert_ofs, base_in->length-insert_ofs);
135 status = dcerpc_request(p, NULL, opnum, False, mem_ctx, &stub_in, &stub_out);
137 if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
139 printf("expand by %d gives %s\n", n, nt_errstr(status));
141 test_ptr_scan(mem_ctx, iface, opnum, &stub_in,
142 insert_ofs, insert_ofs+n, depth+1);
148 printf("expand by %d gives fault %s\n", n, dcerpc_errstr(mem_ctx, p->last_fault_code));
151 if (p->last_fault_code == 5) {
152 reopen(mem_ctx, &p, iface);
160 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
161 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth)
163 DATA_BLOB stub_in, stub_out;
166 struct dcerpc_pipe *p = NULL;
168 reopen(mem_ctx, &p, iface);
170 stub_in = data_blob(NULL, base_in->length);
171 memcpy(stub_in.data, base_in->data, base_in->length);
173 /* work out which elements are pointers */
174 for (ofs=min_ofs;ofs<=max_ofs-4;ofs+=4) {
175 SIVAL(stub_in.data, ofs, 1);
176 status = dcerpc_request(p, NULL, opnum, False, mem_ctx, &stub_in, &stub_out);
178 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
180 printf("possible ptr at ofs %d - fault %s\n",
181 ofs-min_ofs, dcerpc_errstr(mem_ctx, p->last_fault_code));
182 if (p->last_fault_code == 5) {
183 reopen(mem_ctx, &p, iface);
186 try_expand(mem_ctx, iface, opnum, &stub_in, ofs+4, depth+1);
188 try_expand(mem_ctx, iface, opnum, &stub_in, max_ofs, depth+1);
190 SIVAL(stub_in.data, ofs, 0);
193 SIVAL(stub_in.data, ofs, 0);
200 static void test_scan_call(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface, int opnum)
202 DATA_BLOB stub_in, stub_out;
205 struct dcerpc_pipe *p = NULL;
206 struct policy_handle handle;
208 reopen(mem_ctx, &p, iface);
210 get_policy_handle(p, mem_ctx, &handle);
212 /* work out the minimum amount of input data */
213 for (i=0;i<2000;i++) {
214 stub_in = data_blob(NULL, i);
215 data_blob_clear(&stub_in);
218 status = dcerpc_request(p, NULL, opnum, False, mem_ctx, &stub_in, &stub_out);
220 if (NT_STATUS_IS_OK(status)) {
221 printf("opnum %d min_input %d - output %d\n",
222 opnum, (int)stub_in.length, (int)stub_out.length);
223 dump_data(0, stub_out.data, stub_out.length);
225 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
229 fill_blob_handle(&stub_in, mem_ctx, &handle);
231 status = dcerpc_request(p, NULL, opnum, False, mem_ctx, &stub_in, &stub_out);
233 if (NT_STATUS_IS_OK(status)) {
234 printf("opnum %d min_input %d - output %d (with handle)\n",
235 opnum, (int)stub_in.length, (int)stub_out.length);
236 dump_data(0, stub_out.data, stub_out.length);
238 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
242 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
243 printf("opnum %d size %d fault %s\n", opnum, i, dcerpc_errstr(mem_ctx, p->last_fault_code));
244 if (p->last_fault_code == 5) {
245 reopen(mem_ctx, &p, iface);
250 printf("opnum %d size %d error %s\n", opnum, i, nt_errstr(status));
253 printf("opnum %d minimum not found!?\n", opnum);
258 static void test_auto_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface)
260 test_scan_call(mem_ctx, iface, 2);
263 BOOL torture_rpc_autoidl(void)
266 const struct dcerpc_interface_table *iface;
268 iface = idl_iface_by_name("drsuapi");
270 printf("Unknown interface!\n");
274 mem_ctx = talloc_init("torture_rpc_autoidl");
276 printf("\nProbing pipe '%s'\n", iface->name);
278 test_auto_scan(mem_ctx, iface);
280 talloc_free(mem_ctx);