source3/rpcclient/cmd_epmapper.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    RPC pipe client
   4
   5    Copyright (C) Volker Lendecke 2009
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "rpcclient.h"
  23 #include "../librpc/gen_ndr/ndr_epmapper_c.h"
  24 #include "librpc/ndr/ndr_table.h"
  25
  26 static NTSTATUS cmd_epmapper_map(struct rpc_pipe_client *p,
  27                                  TALLOC_CTX *mem_ctx,
  28                                  int argc, const char **argv)
  29 {
  30         struct dcerpc_binding_handle *b = p->binding_handle;
  31         struct dcerpc_binding *map_binding;
  32         struct epm_twr_t map_tower;
  33         struct epm_twr_p_t towers[500];
  34         struct policy_handle entry_handle;
  35         struct ndr_syntax_id abstract_syntax;
  36         uint32_t num_towers;
  37         TALLOC_CTX *tmp_ctx = talloc_stackframe();
  38         NTSTATUS status;
  39         uint32_t result;
  40         uint32_t i;
  41         const struct ndr_interface_list *l;
  42         const char *interface_name = "lsarpc";
  43         enum dcerpc_transport_t transport = NCACN_NP;
  44         bool ok = false;
  45         struct GUID object_uuid = GUID_zero();
  46
  47         if (argc > 4) {
  48                 d_fprintf(stderr,
  49                           "Usage: %s [interface_name] [transport] "
  50                           "[object_uuid]\n",
  51                           argv[0]);
  52                 return NT_STATUS_OK;
  53         }
  54
  55         if (argc >= 2) {
  56                 interface_name = argv[1];
  57         }
  58
  59         for (l = ndr_table_list(); l != NULL; l = l->next) {
  60
  61                 ok = strequal(interface_name, l->table->name);
  62                 if (ok) {
  63                         abstract_syntax = l->table->syntax_id;
  64                         break;
  65                 }
  66         }
  67
  68         if (!ok) {
  69                 d_fprintf(stderr, "unknown interface: %s\n",
  70                         interface_name);
  71                 status = NT_STATUS_UNSUCCESSFUL;
  72                 goto done;
  73         }
  74
  75         if (argc >= 3) {
  76                 transport = dcerpc_transport_by_name(argv[2]);
  77                 if (transport == NCA_UNKNOWN) {
  78                         d_fprintf(stderr, "unknown transport: %s\n",
  79                                 argv[2]);
  80                         status = NT_STATUS_UNSUCCESSFUL;
  81                         goto done;
  82                 }
  83         }
  84
  85         if (argc >= 4) {
  86                 status = GUID_from_string(argv[3], &object_uuid);
  87                 if (!NT_STATUS_IS_OK(status)) {
  88                         goto done;
  89                 }
  90         }
  91
  92         /* 127.0.0.1[0] => correct? needed? */
  93         status = dcerpc_parse_binding(tmp_ctx, "ncacn_np:127.0.0.1[0]",
  94                                       &map_binding);
  95         if (!NT_STATUS_IS_OK(status)) {
  96                 d_fprintf(stderr, "dcerpc_parse_binding returned %s\n",
  97                           nt_errstr(status));
  98                 goto done;
  99         }
 100
 101         status = dcerpc_binding_set_transport(map_binding, transport);
 102         if (!NT_STATUS_IS_OK(status)) {
 103                 d_fprintf(stderr, "dcerpc_binding_set_transport returned %s\n",
 104                           nt_errstr(status));
 105                 goto done;
 106         }
 107
 108         status = dcerpc_binding_set_abstract_syntax(map_binding,
 109                                                     &abstract_syntax);
 110         if (!NT_STATUS_IS_OK(status)) {
 111                 d_fprintf(stderr, "dcerpc_binding_set_abstract_syntax returned %s\n",
 112                           nt_errstr(status));
 113                 goto done;
 114         }
 115
 116         status = dcerpc_binding_build_tower(tmp_ctx, map_binding,
 117                                             &map_tower.tower);
 118         if (!NT_STATUS_IS_OK(status)) {
 119                 d_fprintf(stderr, "dcerpc_binding_build_tower returned %s\n",
 120                           nt_errstr(status));
 121                 goto done;
 122         }
 123
 124         ZERO_STRUCT(towers);
 125         ZERO_STRUCT(entry_handle);
 126
 127         status = dcerpc_epm_Map(
 128                 b, tmp_ctx, &object_uuid,
 129                 &map_tower, &entry_handle, ARRAY_SIZE(towers),
 130                 &num_towers, towers, &result);
 131         if (!NT_STATUS_IS_OK(status)) {
 132                 d_fprintf(stderr, "dcerpc_epm_Map returned %s\n",
 133                           nt_errstr(status));
 134                 goto done;
 135         }
 136
 137         if (result != EPMAPPER_STATUS_OK) {
 138                 d_fprintf(stderr, "epm_Map returned %u (0x%08X)\n",
 139                           result, result);
 140                 status = NT_STATUS_UNSUCCESSFUL;
 141                 goto done;
 142         }
 143
 144         d_printf("num_tower[%u]\n", num_towers);
 145
 146         for (i=0; i < num_towers; i++) {
 147                 struct dcerpc_binding *binding;
 148
 149                 if (towers[i].twr == NULL) {
 150                         d_fprintf(stderr, "tower[%u] NULL\n", i);
 151                         break;
 152                 }
 153
 154                 status = dcerpc_binding_from_tower(tmp_ctx, &towers[i].twr->tower,
 155                                                    &binding);
 156                 if (!NT_STATUS_IS_OK(status)) {
 157                         break;
 158                 }
 159
 160                 d_printf("tower[%u] %s\n", i, dcerpc_binding_string(tmp_ctx, binding));
 161         }
 162 done:
 163         TALLOC_FREE(tmp_ctx);
 164         return status;
 165 }
 166
 167 static NTSTATUS cmd_epmapper_lookup(struct rpc_pipe_client *p,
 168                                     TALLOC_CTX *mem_ctx,
 169                                     int argc, const char **argv)
 170 {
 171         struct dcerpc_binding_handle *b = p->binding_handle;
 172         struct policy_handle entry_handle;
 173
 174         ZERO_STRUCT(entry_handle);
 175
 176         while (true) {
 177                 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
 178                 uint32_t num_entries;
 179                 struct epm_entry_t entry;
 180                 NTSTATUS status;
 181                 char *guid_string;
 182                 struct dcerpc_binding *binding;
 183                 uint32_t result;
 184
 185                 status = dcerpc_epm_Lookup(b, tmp_ctx,
 186                                    0, /* rpc_c_ep_all */
 187                                    NULL,
 188                                    NULL,
 189                                    0, /* rpc_c_vers_all */
 190                                    &entry_handle,
 191                                    1, /* max_ents */
 192                                    &num_entries, &entry,
 193                                    &result);
 194                 if (!NT_STATUS_IS_OK(status)) {
 195                         d_fprintf(stderr, "dcerpc_epm_Lookup returned %s\n",
 196                                   nt_errstr(status));
 197                         break;
 198                 }
 199
 200                 if (result == EPMAPPER_STATUS_NO_MORE_ENTRIES) {
 201                         d_fprintf(stderr, "epm_Lookup no more entries\n");
 202                         break;
 203                 }
 204
 205                 if (result != EPMAPPER_STATUS_OK) {
 206                         d_fprintf(stderr, "epm_Lookup returned %u (0x%08X)\n",
 207                                   result, result);
 208                         break;
 209                 }
 210
 211                 if (num_entries != 1) {
 212                         d_fprintf(stderr, "epm_Lookup returned %d "
 213                                   "entries, expected one\n", (int)num_entries);
 214                         break;
 215                 }
 216
 217                 guid_string = GUID_string(tmp_ctx, &entry.object);
 218                 if (guid_string == NULL) {
 219                         break;
 220                 }
 221
 222                 status = dcerpc_binding_from_tower(tmp_ctx, &entry.tower->tower,
 223                                                    &binding);
 224                 if (!NT_STATUS_IS_OK(status)) {
 225                         break;
 226                 }
 227
 228                 d_printf("%s %s: %s\n", guid_string,
 229                          dcerpc_binding_string(tmp_ctx, binding),
 230                          entry.annotation);
 231
 232                 TALLOC_FREE(tmp_ctx);
 233         }
 234
 235         return NT_STATUS_OK;
 236 }
 237
 238
 239 /* List of commands exported by this module */
 240
 241 struct cmd_set epmapper_commands[] = {
 242
 243         {
 244                 .name = "EPMAPPER",
 245         },
 246
 247         {
 248                 .name               = "epmmap",
 249                 .returntype         = RPC_RTYPE_NTSTATUS,
 250                 .ntfn               = cmd_epmapper_map,
 251                 .wfn                = NULL,
 252                 .table              = &ndr_table_epmapper,
 253                 .rpc_pipe           = NULL,
 254                 .description        = "Map a binding",
 255                 .usage              = "",
 256         },
 257         {
 258                 .name               = "epmlookup",
 259                 .returntype         = RPC_RTYPE_NTSTATUS,
 260                 .ntfn               = cmd_epmapper_lookup,
 261                 .wfn                = NULL,
 262                 .table              = &ndr_table_epmapper,
 263                 .rpc_pipe           = NULL,
 264                 .description        = "Lookup bindings",
 265                 .usage              = "",
 266         },
 267         {
 268                 .name = NULL,
 269         },
 270 };