source4/torture/rpc/scanner.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    scanner for rpc calls
   5
   6    Copyright (C) Andrew Tridgell 2003
   7
   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.
  12
  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.
  17
  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/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "torture/torture.h"
  24 #include "librpc/gen_ndr/ndr_mgmt_c.h"
  25 #include "librpc/ndr/ndr_table.h"
  26 #include "torture/rpc/rpc.h"
  27 #include "param/param.h"
  28 #include "librpc/rpc/dcerpc_proto.h"
  29
  30 /*
  31   work out how many calls there are for an interface
  32  */
  33 static bool test_num_calls(struct torture_context *tctx,
  34                            const struct ndr_interface_table *iface,
  35                            TALLOC_CTX *mem_ctx,
  36                            struct ndr_syntax_id *id)
  37 {
  38         struct dcerpc_pipe *p;
  39         NTSTATUS status;
  40         int i;
  41         DATA_BLOB stub_in, stub_out;
  42         int idl_calls;
  43         struct ndr_interface_table tbl;
  44
  45         /* FIXME: This should be fixed when torture_rpc_connection
  46          * takes a ndr_syntax_id */
  47         tbl.name = iface->name;
  48         tbl.syntax_id = *id;
  49
  50         status = torture_rpc_connection(tctx, &p, iface);
  51         if (!NT_STATUS_IS_OK(status)) {
  52                 char *uuid_str = GUID_string(mem_ctx, &id->uuid);
  53                 printf("Failed to connect to '%s' on '%s' - %s\n",
  54                        uuid_str, iface->name, nt_errstr(status));
  55                 talloc_free(uuid_str);
  56                 return true;
  57         }
  58
  59         /* make null calls */
  60         stub_in = data_blob(NULL, 1000);
  61         memset(stub_in.data, 0xFF, stub_in.length);
  62
  63         for (i=0;i<200;i++) {
  64                 status = dcerpc_request(p, NULL, i, mem_ctx, &stub_in, &stub_out);
  65                 if (!NT_STATUS_IS_OK(status) &&
  66                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  67                         break;
  68                 }
  69
  70                 if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 5) {
  71                         printf("\tpipe disconnected at %d\n", i);
  72                         goto done;
  73                 }
  74
  75                 if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 0x80010111) {
  76                         printf("\terr 0x80010111 at %d\n", i);
  77                         goto done;
  78                 }
  79         }
  80
  81         printf("\t%d calls available\n", i);
  82         idl_calls = ndr_interface_num_calls(&id->uuid, id->if_version);
  83         if (idl_calls == -1) {
  84                 printf("\tinterface not known in local IDL\n");
  85         } else if (i != idl_calls) {
  86                 printf("\tWARNING: local IDL defines %u calls\n", idl_calls);
  87         } else {
  88                 printf("\tOK: matches num_calls in local IDL\n");
  89         }
  90
  91 done:
  92         talloc_free(p);
  93         return true;
  94 }
  95
  96
  97
  98 bool torture_rpc_scanner(struct torture_context *torture)
  99 {
 100         NTSTATUS status;
 101         struct dcerpc_pipe *p;
 102         TALLOC_CTX *loop_ctx;
 103         bool ret = true;
 104         const struct ndr_interface_list *l;
 105         struct dcerpc_binding *b;
 106
 107         status = torture_rpc_binding(torture, &b);
 108         if (!NT_STATUS_IS_OK(status)) {
 109                 return false;
 110         }
 111
 112         for (l=ndr_table_list();l;l=l->next) {
 113                 loop_ctx = talloc_named(torture, 0, "torture_rpc_scanner loop context");
 114                 /* some interfaces are not mappable */
 115                 if (l->table->num_calls == 0 ||
 116                     strcmp(l->table->name, "mgmt") == 0) {
 117                         talloc_free(loop_ctx);
 118                         continue;
 119                 }
 120
 121                 printf("\nTesting pipe '%s'\n", l->table->name);
 122
 123                 if (b->transport == NCACN_IP_TCP) {
 124                         status = dcerpc_epm_map_binding(torture, b, l->table, NULL, torture->lp_ctx);
 125                         if (!NT_STATUS_IS_OK(status)) {
 126                                 printf("Failed to map port for uuid %s\n",
 127                                            GUID_string(loop_ctx, &l->table->syntax_id.uuid));
 128                                 talloc_free(loop_ctx);
 129                                 continue;
 130                         }
 131                 } else {
 132                         b->endpoint = talloc_strdup(b, l->table->name);
 133                 }
 134
 135                 lp_set_cmdline(torture->lp_ctx, "torture:binding", dcerpc_binding_string(torture, b));
 136
 137                 status = torture_rpc_connection(torture, &p, &ndr_table_mgmt);
 138                 if (!NT_STATUS_IS_OK(status)) {
 139                         talloc_free(loop_ctx);
 140                         ret = false;
 141                         continue;
 142                 }
 143
 144                 if (!test_inq_if_ids(torture, p, torture, test_num_calls, l->table)) {
 145                         ret = false;
 146                 }
 147         }
 148
 149         return ret;
 150 }
 151