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 3 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, see <http://www.gnu.org/licenses/>.
23 #include "torture/torture.h"
24 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
25 #include "librpc/gen_ndr/ndr_misc.h"
26 #include "librpc/ndr/ndr_table.h"
27 #include "torture/rpc/rpc.h"
32 get a DRSUAPI policy handle
34 static bool get_policy_handle(struct dcerpc_pipe *p,
36 struct policy_handle *handle)
39 struct drsuapi_DsBind r;
42 r.out.bind_handle = handle;
44 status = dcerpc_drsuapi_DsBind(p, mem_ctx, &r);
45 if (!NT_STATUS_IS_OK(status)) {
46 printf("drsuapi_DsBind failed - %s\n", nt_errstr(status));
56 static bool get_policy_handle(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
57 struct policy_handle *handle)
60 struct samr_Connect r;
63 r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
64 r.out.connect_handle = handle;
66 status = dcerpc_samr_Connect(p, mem_ctx, &r);
67 if (!NT_STATUS_IS_OK(status)) {
68 printf("samr_Connect failed - %s\n", nt_errstr(status));
76 static void fill_blob_handle(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
77 struct policy_handle *handle)
81 if (blob->length < 20) {
85 ndr_push_struct_blob(&b2, mem_ctx, handle, (ndr_push_flags_fn_t)ndr_push_policy_handle);
87 memcpy(blob->data, b2.data, 20);
90 static void reopen(TALLOC_CTX *mem_ctx,
91 struct dcerpc_pipe **p,
92 const struct ndr_interface_table *iface)
98 status = torture_rpc_connection(mem_ctx, p, iface);
99 if (!NT_STATUS_IS_OK(status)) {
100 printf("Failed to reopen '%s' - %s\n", iface->name, nt_errstr(status));
105 static void print_depth(int depth)
108 for (i=0;i<depth;i++) {
113 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct ndr_interface_table *iface,
114 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth);
116 static void try_expand(TALLOC_CTX *mem_ctx, const struct ndr_interface_table *iface,
117 int opnum, DATA_BLOB *base_in, int insert_ofs, int depth)
119 DATA_BLOB stub_in, stub_out;
122 struct dcerpc_pipe *p = NULL;
124 reopen(mem_ctx, &p, iface);
126 /* work out how much to expand to get a non fault */
127 for (n=0;n<2000;n++) {
128 stub_in = data_blob(NULL, base_in->length + n);
129 data_blob_clear(&stub_in);
130 memcpy(stub_in.data, base_in->data, insert_ofs);
131 memcpy(stub_in.data+insert_ofs+n, base_in->data+insert_ofs, base_in->length-insert_ofs);
133 status = dcerpc_request(p, NULL, opnum, false, mem_ctx, &stub_in, &stub_out);
135 if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
137 printf("expand by %d gives %s\n", n, nt_errstr(status));
139 test_ptr_scan(mem_ctx, iface, opnum, &stub_in,
140 insert_ofs, insert_ofs+n, depth+1);
146 printf("expand by %d gives fault %s\n", n, dcerpc_errstr(mem_ctx, p->last_fault_code));
149 if (p->last_fault_code == 5) {
150 reopen(mem_ctx, &p, iface);
158 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct ndr_interface_table *iface,
159 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth)
161 DATA_BLOB stub_in, stub_out;
164 struct dcerpc_pipe *p = NULL;
166 reopen(mem_ctx, &p, iface);
168 stub_in = data_blob(NULL, base_in->length);
169 memcpy(stub_in.data, base_in->data, base_in->length);
171 /* work out which elements are pointers */
172 for (ofs=min_ofs;ofs<=max_ofs-4;ofs+=4) {
173 SIVAL(stub_in.data, ofs, 1);
174 status = dcerpc_request(p, NULL, opnum, false, mem_ctx, &stub_in, &stub_out);
176 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
178 printf("possible ptr at ofs %d - fault %s\n",
179 ofs-min_ofs, dcerpc_errstr(mem_ctx, p->last_fault_code));
180 if (p->last_fault_code == 5) {
181 reopen(mem_ctx, &p, iface);
184 try_expand(mem_ctx, iface, opnum, &stub_in, ofs+4, depth+1);
186 try_expand(mem_ctx, iface, opnum, &stub_in, max_ofs, depth+1);
188 SIVAL(stub_in.data, ofs, 0);
191 SIVAL(stub_in.data, ofs, 0);
198 static void test_scan_call(TALLOC_CTX *mem_ctx, const struct ndr_interface_table *iface, int opnum)
200 DATA_BLOB stub_in, stub_out;
203 struct dcerpc_pipe *p = NULL;
204 struct policy_handle handle;
206 reopen(mem_ctx, &p, iface);
208 get_policy_handle(p, mem_ctx, &handle);
210 /* work out the minimum amount of input data */
211 for (i=0;i<2000;i++) {
212 stub_in = data_blob(NULL, i);
213 data_blob_clear(&stub_in);
216 status = dcerpc_request(p, NULL, opnum, false, mem_ctx, &stub_in, &stub_out);
218 if (NT_STATUS_IS_OK(status)) {
219 printf("opnum %d min_input %d - output %d\n",
220 opnum, (int)stub_in.length, (int)stub_out.length);
221 dump_data(0, stub_out.data, stub_out.length);
223 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
227 fill_blob_handle(&stub_in, mem_ctx, &handle);
229 status = dcerpc_request(p, NULL, opnum, false, mem_ctx, &stub_in, &stub_out);
231 if (NT_STATUS_IS_OK(status)) {
232 printf("opnum %d min_input %d - output %d (with handle)\n",
233 opnum, (int)stub_in.length, (int)stub_out.length);
234 dump_data(0, stub_out.data, stub_out.length);
236 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
240 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
241 printf("opnum %d size %d fault %s\n", opnum, i, dcerpc_errstr(mem_ctx, p->last_fault_code));
242 if (p->last_fault_code == 5) {
243 reopen(mem_ctx, &p, iface);
248 printf("opnum %d size %d error %s\n", opnum, i, nt_errstr(status));
251 printf("opnum %d minimum not found!?\n", opnum);
256 static void test_auto_scan(TALLOC_CTX *mem_ctx, const struct ndr_interface_table *iface)
258 test_scan_call(mem_ctx, iface, 2);
261 bool torture_rpc_autoidl(struct torture_context *torture)
264 const struct ndr_interface_table *iface;
266 iface = ndr_table_by_name("drsuapi");
268 printf("Unknown interface!\n");
272 mem_ctx = talloc_init("torture_rpc_autoidl");
274 printf("\nProbing pipe '%s'\n", iface->name);
276 test_auto_scan(mem_ctx, iface);
278 talloc_free(mem_ctx);