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 "librpc/gen_ndr/ndr_mgmt_c.h"
  24 #include "librpc/ndr/ndr_table.h"
  25 #include "torture/rpc/torture_rpc.h"
  26 #include "param/param.h"
  27
  28 /*
  29   work out how many calls there are for an interface
  30  */
  31 static bool test_num_calls(struct torture_context *tctx,
  32                            const struct ndr_interface_table *iface,
  33                            TALLOC_CTX *mem_ctx,
  34                            struct ndr_syntax_id *id)
  35 {
  36         struct dcerpc_pipe *p;
  37         NTSTATUS status;
  38         int i;
  39         DATA_BLOB stub_in, stub_out;
  40         int idl_calls;
  41         struct ndr_interface_table tbl;
  42
  43         /* FIXME: This should be fixed when torture_rpc_connection
  44          * takes a ndr_syntax_id */
  45         tbl.name = iface->name;
  46         tbl.syntax_id = *id;
  47
  48         status = torture_rpc_connection(tctx, &p, iface);
  49         if (!NT_STATUS_IS_OK(status)) {
  50                 char *uuid_str = GUID_string(mem_ctx, &id->uuid);
  51                 printf("Failed to connect to '%s' on '%s' - %s\n",
  52                        uuid_str, iface->name, nt_errstr(status));
  53                 talloc_free(uuid_str);
  54                 return true;
  55         }
  56
  57         /* make null calls */
  58         stub_in = data_blob_talloc(mem_ctx, NULL, 1000);
  59         memset(stub_in.data, 0xFF, stub_in.length);
  60
  61         for (i=0;i<200;i++) {
  62                 uint32_t out_flags = 0;
  63                 status = dcerpc_binding_handle_raw_call(p->binding_handle,
  64                                                         NULL, i,
  65                                                         0, /* in_flags */
  66                                                         stub_in.data,
  67                                                         stub_in.length,
  68                                                         mem_ctx,
  69                                                         &stub_out.data,
  70                                                         &stub_out.length,
  71                                                         &out_flags);
  72                 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
  73                         break;
  74                 }
  75
  76                 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
  77                         printf("\tpipe disconnected at %d\n", i);
  78                         goto done;
  79                 }
  80
  81                 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROTOCOL_ERROR)) {
  82                         printf("\tprotocol error at %d\n", i);
  83                 }
  84         }
  85
  86         printf("\t%d calls available\n", i);
  87         idl_calls = ndr_interface_num_calls(&id->uuid, id->if_version);
  88         if (idl_calls == -1) {
  89                 printf("\tinterface not known in local IDL\n");
  90         } else if (i != idl_calls) {
  91                 printf("\tWARNING: local IDL defines %u calls\n", idl_calls);
  92         } else {
  93                 printf("\tOK: matches num_calls in local IDL\n");
  94         }
  95
  96 done:
  97         talloc_free(p);
  98         return true;
  99 }
 100
 101
 102
 103 bool torture_rpc_scanner(struct torture_context *torture)
 104 {
 105         NTSTATUS status;
 106         struct dcerpc_pipe *p;
 107         TALLOC_CTX *loop_ctx;
 108         bool ret = true;
 109         const struct ndr_interface_list *l;
 110         struct dcerpc_binding *b;
 111
 112         status = torture_rpc_binding(torture, &b);
 113         if (!NT_STATUS_IS_OK(status)) {
 114                 return false;
 115         }
 116
 117         for (l=ndr_table_list();l;l=l->next) {
 118                 loop_ctx = talloc_named(torture, 0, "torture_rpc_scanner loop context");
 119                 /* some interfaces are not mappable */
 120                 if (l->table->num_calls == 0 ||
 121                     strcmp(l->table->name, "mgmt") == 0) {
 122                         talloc_free(loop_ctx);
 123                         continue;
 124                 }
 125
 126                 printf("\nTesting pipe '%s'\n", l->table->name);
 127
 128                 if (b->transport == NCACN_IP_TCP) {
 129                         status = dcerpc_epm_map_binding(torture, b, l->table, NULL, torture->lp_ctx);
 130                         if (!NT_STATUS_IS_OK(status)) {
 131                                 printf("Failed to map port for uuid %s\n",
 132                                            GUID_string(loop_ctx, &l->table->syntax_id.uuid));
 133                                 talloc_free(loop_ctx);
 134                                 continue;
 135                         }
 136                 } else {
 137                         b->endpoint = talloc_strdup(b, l->table->name);
 138                 }
 139
 140                 lpcfg_set_cmdline(torture->lp_ctx, "torture:binding", dcerpc_binding_string(torture, b));
 141
 142                 status = torture_rpc_connection(torture, &p, &ndr_table_mgmt);
 143                 if (!NT_STATUS_IS_OK(status)) {
 144                         talloc_free(loop_ctx);
 145                         ret = false;
 146                         continue;
 147                 }
 148
 149                 if (!test_inq_if_ids(torture, p->binding_handle, torture, test_num_calls, l->table)) {
 150                         ret = false;
 151                 }
 152         }
 153
 154         return ret;
 155 }
 156