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-rw-r--r--source4/torture/rpc/autoidl.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/source4/torture/rpc/autoidl.c b/source4/torture/rpc/autoidl.c
new file mode 100644
index 0000000000..5ae0201855
--- /dev/null
+++ b/source4/torture/rpc/autoidl.c
@@ -0,0 +1,277 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ auto-idl scanner
+
+ 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 "torture/torture.h"
+#include "librpc/gen_ndr/ndr_drsuapi_c.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+#include "librpc/ndr/ndr_table.h"
+#include "torture/rpc/rpc.h"
+#include "librpc/rpc/dcerpc_proto.h"
+
+
+#if 1
+/*
+ get a DRSUAPI policy handle
+*/
+static bool get_policy_handle(struct dcerpc_pipe *p,
+ TALLOC_CTX *mem_ctx,
+ struct policy_handle *handle)
+{
+ NTSTATUS status;
+ struct drsuapi_DsBind r;
+
+ ZERO_STRUCT(r);
+ r.out.bind_handle = handle;
+
+ status = dcerpc_drsuapi_DsBind(p, mem_ctx, &r);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("drsuapi_DsBind failed - %s\n", nt_errstr(status));
+ return false;
+ }
+
+ return true;
+}
+#else
+/*
+ get a SAMR handle
+*/
+static bool get_policy_handle(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
+ struct policy_handle *handle)
+{
+ NTSTATUS status;
+ struct samr_Connect r;
+
+ r.in.system_name = 0;
+ r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ r.out.connect_handle = handle;
+
+ status = dcerpc_samr_Connect(p, mem_ctx, &r);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("samr_Connect failed - %s\n", nt_errstr(status));
+ return false;
+ }
+
+ return true;
+}
+#endif
+
+static void fill_blob_handle(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
+ struct policy_handle *handle)
+{
+ DATA_BLOB b2;
+
+ if (blob->length < 20) {
+ return;
+ }
+
+ ndr_push_struct_blob(&b2, mem_ctx, NULL, handle, (ndr_push_flags_fn_t)ndr_push_policy_handle);
+
+ memcpy(blob->data, b2.data, 20);
+}
+
+static void reopen(struct torture_context *tctx,
+ struct dcerpc_pipe **p,
+ const struct ndr_interface_table *iface)
+{
+ NTSTATUS status;
+
+ talloc_free(*p);
+
+ status = torture_rpc_connection(tctx, p, iface);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Failed to reopen '%s' - %s\n", iface->name, nt_errstr(status));
+ exit(1);
+ }
+}
+
+static void print_depth(int depth)
+{
+ int i;
+ for (i=0;i<depth;i++) {
+ printf(" ");
+ }
+}
+
+static void test_ptr_scan(struct torture_context *tctx, const struct ndr_interface_table *iface,
+ int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth);
+
+static void try_expand(struct torture_context *tctx, const struct ndr_interface_table *iface,
+ int opnum, DATA_BLOB *base_in, int insert_ofs, int depth)
+{
+ DATA_BLOB stub_in, stub_out;
+ int n;
+ NTSTATUS status;
+ struct dcerpc_pipe *p = NULL;
+
+ reopen(tctx, &p, iface);
+
+ /* work out how much to expand to get a non fault */
+ for (n=0;n<2000;n++) {
+ stub_in = data_blob(NULL, base_in->length + n);
+ data_blob_clear(&stub_in);
+ memcpy(stub_in.data, base_in->data, insert_ofs);
+ memcpy(stub_in.data+insert_ofs+n, base_in->data+insert_ofs, base_in->length-insert_ofs);
+
+ status = dcerpc_request(p, NULL, opnum, false, tctx, &stub_in, &stub_out);
+
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ print_depth(depth);
+ printf("expand by %d gives %s\n", n, nt_errstr(status));
+ if (n >= 4) {
+ test_ptr_scan(tctx, iface, opnum, &stub_in,
+ insert_ofs, insert_ofs+n, depth+1);
+ }
+ return;
+ } else {
+#if 0
+ print_depth(depth);
+ printf("expand by %d gives fault %s\n", n, dcerpc_errstr(tctx, p->last_fault_code));
+#endif
+ }
+ if (p->last_fault_code == 5) {
+ reopen(tctx, &p, iface);
+ }
+ }
+
+ talloc_free(p);
+}
+
+
+static void test_ptr_scan(struct torture_context *tctx, const struct ndr_interface_table *iface,
+ int opnum, DATA_BLOB *base_in, int min_ofs, int max_ofs, int depth)
+{
+ DATA_BLOB stub_in, stub_out;
+ int ofs;
+ NTSTATUS status;
+ struct dcerpc_pipe *p = NULL;
+
+ reopen(tctx, &p, iface);
+
+ stub_in = data_blob(NULL, base_in->length);
+ memcpy(stub_in.data, base_in->data, base_in->length);
+
+ /* work out which elements are pointers */
+ for (ofs=min_ofs;ofs<=max_ofs-4;ofs+=4) {
+ SIVAL(stub_in.data, ofs, 1);
+ status = dcerpc_request(p, NULL, opnum, false, tctx, &stub_in, &stub_out);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ print_depth(depth);
+ printf("possible ptr at ofs %d - fault %s\n",
+ ofs-min_ofs, dcerpc_errstr(tctx, p->last_fault_code));
+ if (p->last_fault_code == 5) {
+ reopen(tctx, &p, iface);
+ }
+ if (depth == 0) {
+ try_expand(tctx, iface, opnum, &stub_in, ofs+4, depth+1);
+ } else {
+ try_expand(tctx, iface, opnum, &stub_in, max_ofs, depth+1);
+ }
+ SIVAL(stub_in.data, ofs, 0);
+ continue;
+ }
+ SIVAL(stub_in.data, ofs, 0);
+ }
+
+ talloc_free(p);
+}
+
+
+static void test_scan_call(struct torture_context *tctx, const struct ndr_interface_table *iface, int opnum)
+{
+ DATA_BLOB stub_in, stub_out;
+ int i;
+ NTSTATUS status;
+ struct dcerpc_pipe *p = NULL;
+ struct policy_handle handle;
+
+ reopen(tctx, &p, iface);
+
+ get_policy_handle(p, tctx, &handle);
+
+ /* work out the minimum amount of input data */
+ for (i=0;i<2000;i++) {
+ stub_in = data_blob(NULL, i);
+ data_blob_clear(&stub_in);
+
+
+ status = dcerpc_request(p, NULL, opnum, false, tctx, &stub_in, &stub_out);
+
+ if (NT_STATUS_IS_OK(status)) {
+ printf("opnum %d min_input %d - output %d\n",
+ opnum, (int)stub_in.length, (int)stub_out.length);
+ dump_data(0, stub_out.data, stub_out.length);
+ talloc_free(p);
+ test_ptr_scan(tctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
+ return;
+ }
+
+ fill_blob_handle(&stub_in, tctx, &handle);
+
+ status = dcerpc_request(p, NULL, opnum, false, tctx, &stub_in, &stub_out);
+
+ if (NT_STATUS_IS_OK(status)) {
+ printf("opnum %d min_input %d - output %d (with handle)\n",
+ opnum, (int)stub_in.length, (int)stub_out.length);
+ dump_data(0, stub_out.data, stub_out.length);
+ talloc_free(p);
+ test_ptr_scan(tctx, iface, opnum, &stub_in, 0, stub_in.length, 0);
+ return;
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ printf("opnum %d size %d fault %s\n", opnum, i, dcerpc_errstr(tctx, p->last_fault_code));
+ if (p->last_fault_code == 5) {
+ reopen(tctx, &p, iface);
+ }
+ continue;
+ }
+
+ printf("opnum %d size %d error %s\n", opnum, i, nt_errstr(status));
+ }
+
+ printf("opnum %d minimum not found!?\n", opnum);
+ talloc_free(p);
+}
+
+
+static void test_auto_scan(struct torture_context *tctx, const struct ndr_interface_table *iface)
+{
+ test_scan_call(tctx, iface, 2);
+}
+
+bool torture_rpc_autoidl(struct torture_context *torture)
+{
+ const struct ndr_interface_table *iface;
+
+ iface = ndr_table_by_name("drsuapi");
+ if (!iface) {
+ printf("Unknown interface!\n");
+ return false;
+ }
+
+ printf("\nProbing pipe '%s'\n", iface->name);
+
+ test_auto_scan(torture, iface);
+
+ return true;
+}
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