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 2 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, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "librpc/gen_ndr/ndr_mgmt.h"
  25 #include "librpc/gen_ndr/tables.h"
  26
  27 /*
  28   work out how many calls there are for an interface
  29  */
  30 static BOOL test_num_calls(const struct dcerpc_interface_table *iface,
  31                            TALLOC_CTX *mem_ctx,
  32                            struct dcerpc_syntax_id *id)
  33 {
  34         struct dcerpc_pipe *p;
  35         NTSTATUS status;
  36         const char *uuid;
  37         int i;
  38         DATA_BLOB stub_in, stub_out;
  39         int idl_calls;
  40
  41         uuid = GUID_string(mem_ctx, &id->uuid);
  42
  43         status = torture_rpc_connection(&p, iface->name,
  44                                         uuid, id->if_version);
  45         if (!NT_STATUS_IS_OK(status)) {
  46                 printf("Failed to connect to '%s' on '%s' - %s\n",
  47                        uuid, iface->name, nt_errstr(status));
  48                 return False;
  49         }
  50
  51         /* make null calls */
  52         stub_in = data_blob(NULL, 1000);
  53         memset(stub_in.data, 0xFF, stub_in.length);
  54
  55         for (i=0;i<200;i++) {
  56                 status = dcerpc_request(p, NULL, i, mem_ctx, &stub_in, &stub_out);
  57                 if (!NT_STATUS_IS_OK(status) &&
  58                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  59                         break;
  60                 }
  61
  62                 if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 5) {
  63                         printf("\tpipe disconnected at %d\n", i);
  64                         goto done;
  65                 }
  66
  67                 if (!NT_STATUS_IS_OK(status) && p->last_fault_code == 0x80010111) {
  68                         printf("\terr 0x80010111 at %d\n", i);
  69                         goto done;
  70                 }
  71         }
  72
  73         printf("\t%d calls available\n", i);
  74         idl_calls = idl_num_calls(uuid, id->if_version);
  75         if (idl_calls == -1) {
  76                 printf("\tinterface not known in local IDL\n");
  77         } else if (i != idl_calls) {
  78                 printf("\tWARNING: local IDL defines %u calls\n", idl_calls);
  79         } else {
  80                 printf("\tOK: matches num_calls in local IDL\n");
  81         }
  82
  83 done:
  84         torture_rpc_close(p);
  85         return True;
  86 }
  87
  88 /*
  89   ask the server what interface IDs are available on this endpoint
  90 */
  91 static BOOL test_inq_if_ids(struct dcerpc_pipe *p,
  92                             TALLOC_CTX *mem_ctx,
  93                             const struct dcerpc_interface_table *iface)
  94 {
  95         NTSTATUS status;
  96         struct mgmt_inq_if_ids r;
  97         int i;
  98
  99         status = dcerpc_mgmt_inq_if_ids(p, mem_ctx, &r);
 100         if (!NT_STATUS_IS_OK(status)) {
 101                 printf("inq_if_ids failed - %s\n", nt_errstr(status));
 102                 return False;
 103         }
 104
 105         if (!W_ERROR_IS_OK(r.out.result)) {
 106                 printf("inq_if_ids gave error code %s\n", win_errstr(r.out.result));
 107                 return False;
 108         }
 109
 110         if (!r.out.if_id_vector) {
 111                 printf("inq_if_ids gave NULL if_id_vector\n");
 112                 return False;
 113         }
 114
 115         for (i=0;i<r.out.if_id_vector->count;i++) {
 116                 const char *uuid;
 117                 struct dcerpc_syntax_id *id = r.out.if_id_vector->if_id[i].id;
 118                 if (!id) continue;
 119
 120                 uuid = GUID_string(mem_ctx, &id->uuid),
 121
 122                 printf("\n\tuuid %s  version 0x%08x '%s'\n",
 123                        uuid,
 124                        id->if_version, idl_pipe_name(uuid, id->if_version));
 125                 test_num_calls(iface, mem_ctx, id);
 126         }
 127
 128         return True;
 129 }
 130
 131
 132 BOOL torture_rpc_scanner(void)
 133 {
 134         NTSTATUS status;
 135         struct dcerpc_pipe *p;
 136         TALLOC_CTX *mem_ctx;
 137         BOOL ret = True;
 138         int i;
 139         const char *binding = lp_parm_string(-1, "torture", "binding");
 140         struct dcerpc_binding b;
 141
 142         mem_ctx = talloc_init("torture_rpc_scanner");
 143
 144         if (!binding) {
 145                 printf("You must supply a ncacn binding string\n");
 146                 return False;
 147         }
 148
 149         status = dcerpc_parse_binding(mem_ctx, binding, &b);
 150         if (!NT_STATUS_IS_OK(status)) {
 151                 printf("Failed to parse binding '%s'\n", binding);
 152                 return False;
 153         }
 154
 155         for (i=0;dcerpc_pipes[i];i++) {
 156                 /* some interfaces are not mappable */
 157                 if (dcerpc_pipes[i]->num_calls == 0 ||
 158                     strcmp(dcerpc_pipes[i]->name, "mgmt") == 0) {
 159                         continue;
 160                 }
 161
 162                 printf("\nTesting pipe '%s'\n", dcerpc_pipes[i]->name);
 163
 164                 if (b.transport == NCACN_IP_TCP) {
 165                         status = dcerpc_epm_map_binding(mem_ctx, &b,
 166                                                          dcerpc_pipes[i]->uuid,
 167                                                          dcerpc_pipes[i]->if_version);
 168                         if (!NT_STATUS_IS_OK(status)) {
 169                                 printf("Failed to map port for uuid %s\n", dcerpc_pipes[i]->uuid);
 170                                 continue;
 171                         }
 172                 } else {
 173                         b.endpoint = dcerpc_pipes[i]->name;
 174                 }
 175
 176                 lp_set_cmdline("torture:binding", dcerpc_binding_string(mem_ctx, &b));
 177
 178                 status = torture_rpc_connection(&p,
 179                                                 dcerpc_pipes[i]->name,
 180                                                 DCERPC_MGMT_UUID,
 181                                                 DCERPC_MGMT_VERSION);
 182                 if (!NT_STATUS_IS_OK(status)) {
 183                         ret = False;
 184                         continue;
 185                 }
 186
 187                 if (!test_inq_if_ids(p, mem_ctx, dcerpc_pipes[i])) {
 188                         ret = False;
 189                 }
 190
 191                 torture_rpc_close(p);
 192         }
 193
 194         return ret;
 195 }