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 "librpc/gen_ndr/ndr_drsuapi.h"
29 get a DRSUAPI policy handle
31 static BOOL get_policy_handle(struct dcerpc_pipe *p,
33 struct policy_handle *handle)
36 struct drsuapi_DsBind r;
39 r.out.bind_handle = handle;
41 status = dcerpc_drsuapi_DsBind(p, mem_ctx, &r);
42 if (!NT_STATUS_IS_OK(status)) {
43 printf("drsuapi_DsBind failed - %s\n", nt_errstr(status));
53 static BOOL get_policy_handle(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
54 struct policy_handle *handle)
57 struct samr_Connect r;
60 r.in.access_mask = SEC_RIGHTS_MAXIMUM_ALLOWED;
61 r.out.connect_handle = handle;
63 status = dcerpc_samr_Connect(p, mem_ctx, &r);
64 if (!NT_STATUS_IS_OK(status)) {
65 printf("samr_Connect failed - %s\n", nt_errstr(status));
73 static void fill_blob_handle(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
74 struct policy_handle *handle)
78 if (blob->length < 20) {
82 ndr_push_struct_blob(&b2, mem_ctx, handle, (ndr_push_flags_fn_t)ndr_push_policy_handle);
84 memcpy(blob->data, b2.data, 20);
87 static void reopen(struct dcerpc_pipe **p, const struct dcerpc_interface_table *iface)
92 dcerpc_pipe_close(*p);
95 status = torture_rpc_connection(p, iface->endpoints->names[0], iface->uuid, iface->if_version);
96 if (!NT_STATUS_IS_OK(status)) {
97 printf("Failed to reopen '%s' - %s\n", iface->name, nt_errstr(status));
102 static void print_depth(int depth)
105 for (i=0;i<depth;i++) {
110 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
111 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth);
113 static void try_expand(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
114 int opnum, DATA_BLOB *base_in, int insert_ofs, int depth)
116 DATA_BLOB stub_in, stub_out;
119 struct dcerpc_pipe *p = NULL;
123 /* work out how much to expand to get a non fault */
124 for (n=0;n<2000;n++) {
125 stub_in = data_blob(NULL, base_in->length + n);
126 data_blob_clear(&stub_in);
127 memcpy(stub_in.data, base_in->data, insert_ofs);
128 memcpy(stub_in.data+insert_ofs+n, base_in->data+insert_ofs, base_in->length-insert_ofs);
130 status = dcerpc_request(p, NULL, opnum, mem_ctx, &stub_in, &stub_out);
132 if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
134 printf("expand by %d gives %s\n", n, nt_errstr(status));
136 test_ptr_scan(mem_ctx, iface, opnum, &stub_in,
137 insert_ofs, insert_ofs+n, depth+1);
143 printf("expand by %d gives fault %s\n", n, dcerpc_errstr(mem_ctx, p->last_fault_code));
146 if (p->last_fault_code == 5) {
151 dcerpc_pipe_close(p);
155 static void test_ptr_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface,
156 int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth)
158 DATA_BLOB stub_in, stub_out;
161 struct dcerpc_pipe *p = NULL;
165 stub_in = data_blob(NULL, base_in->length);
166 memcpy(stub_in.data, base_in->data, base_in->length);
168 /* work out which elements are pointers */
169 for (ofs=min_ofs;ofs<=max_ofs-4;ofs+=4) {
170 SIVAL(stub_in.data, ofs, 1);
171 status = dcerpc_request(p, NULL, opnum, mem_ctx, &stub_in, &stub_out);
173 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
175 printf("possible ptr at ofs %d - fault %s\n",
176 ofs-min_ofs, dcerpc_errstr(mem_ctx, p->last_fault_code));
177 if (p->last_fault_code == 5) {
181 try_expand(mem_ctx, iface, opnum, &stub_in, ofs+4, depth+1);
183 try_expand(mem_ctx, iface, opnum, &stub_in, max_ofs, depth+1);
185 SIVAL(stub_in.data, ofs, 0);
188 SIVAL(stub_in.data, ofs, 0);
191 dcerpc_pipe_close(p);
195 static void test_scan_call(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface, int opnum)
197 DATA_BLOB stub_in, stub_out;
200 struct dcerpc_pipe *p = NULL;
201 struct policy_handle handle;
205 get_policy_handle(p, mem_ctx, &handle);
207 /* work out the minimum amount of input data */
208 for (i=0;i<2000;i++) {
209 stub_in = data_blob(NULL, i);
210 data_blob_clear(&stub_in);
213 status = dcerpc_request(p, NULL, opnum, mem_ctx, &stub_in, &stub_out);
215 if (NT_STATUS_IS_OK(status)) {
216 printf("opnum %d min_input %d - output %d\n",
217 opnum, stub_in.length, stub_out.length);
218 dump_data(0, stub_out.data, stub_out.length);
219 dcerpc_pipe_close(p);
220 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
224 fill_blob_handle(&stub_in, mem_ctx, &handle);
226 status = dcerpc_request(p, NULL, opnum, mem_ctx, &stub_in, &stub_out);
228 if (NT_STATUS_IS_OK(status)) {
229 printf("opnum %d min_input %d - output %d (with handle)\n",
230 opnum, stub_in.length, stub_out.length);
231 dump_data(0, stub_out.data, stub_out.length);
232 dcerpc_pipe_close(p);
233 test_ptr_scan(mem_ctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
237 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
238 printf("opnum %d size %d fault %s\n", opnum, i, dcerpc_errstr(mem_ctx, p->last_fault_code));
239 if (p->last_fault_code == 5) {
245 printf("opnum %d size %d error %s\n", opnum, i, nt_errstr(status));
248 printf("opnum %d minimum not found!?\n", opnum);
249 dcerpc_pipe_close(p);
253 static void test_auto_scan(TALLOC_CTX *mem_ctx, const struct dcerpc_interface_table *iface)
255 test_scan_call(mem_ctx, iface, 2);
258 BOOL torture_rpc_autoidl(void)
261 const struct dcerpc_interface_table *iface;
263 iface = idl_iface_by_name("drsuapi");
265 printf("Unknown interface!\n");
269 mem_ctx = talloc_init("torture_rpc_autoidl");
271 printf("\nProbing pipe '%s'\n", iface->name);
273 test_auto_scan(mem_ctx, iface);