source3/rpcclient/cmd_winreg.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    RPC pipe client
   4
   5    Copyright (C) Guenther Deschner 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/cli_winreg.h"
  24 #include "../librpc/gen_ndr/ndr_misc.h"
  25
  26 static WERROR cmd_winreg_enumkeys(struct rpc_pipe_client *cli,
  27                                   TALLOC_CTX *mem_ctx, int argc,
  28                                   const char **argv)
  29 {
  30         NTSTATUS status;
  31         WERROR werr;
  32         struct policy_handle handle;
  33         uint32_t enum_index = 0;
  34         struct winreg_StringBuf name;
  35
  36         if (argc < 2) {
  37                 printf("usage: %s [name]\n", argv[0]);
  38                 return WERR_OK;
  39         }
  40
  41         status = rpccli_winreg_OpenHKLM(cli, mem_ctx,
  42                                         NULL,
  43                                         SEC_FLAG_MAXIMUM_ALLOWED,
  44                                         &handle,
  45                                         &werr);
  46         if (!NT_STATUS_IS_OK(status)) {
  47                 return ntstatus_to_werror(status);
  48         }
  49         if (!W_ERROR_IS_OK(werr)) {
  50                 return werr;
  51         }
  52
  53         ZERO_STRUCT(name);
  54
  55         name.name = argv[1];
  56         name.length = strlen_m_term_null(name.name)*2;
  57         name.size = name.length;
  58
  59         status = rpccli_winreg_EnumKey(cli, mem_ctx,
  60                                        &handle,
  61                                        enum_index,
  62                                        &name,
  63                                        NULL,
  64                                        NULL,
  65                                        &werr);
  66         if (!NT_STATUS_IS_OK(status)) {
  67                 return ntstatus_to_werror(status);
  68         }
  69         if (!W_ERROR_IS_OK(werr)) {
  70                 return werr;
  71         }
  72
  73         return WERR_OK;
  74 }
  75
  76 /****************************************************************************
  77 ****************************************************************************/
  78
  79 static WERROR pull_winreg_Data(TALLOC_CTX *mem_ctx,
  80                                const DATA_BLOB *blob,
  81                                union winreg_Data *data,
  82                                enum winreg_Type type)
  83 {
  84         enum ndr_err_code ndr_err;
  85         ndr_err = ndr_pull_union_blob(blob, mem_ctx, data, type,
  86                         (ndr_pull_flags_fn_t)ndr_pull_winreg_Data);
  87         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
  88                 return WERR_GENERAL_FAILURE;
  89         }
  90         return WERR_OK;
  91 }
  92
  93 /****************************************************************************
  94 ****************************************************************************/
  95
  96 static void display_winreg_data(const char *v,
  97                                 enum winreg_Type type,
  98                                 uint8_t *data,
  99                                 uint32_t length)
 100 {
 101         int i;
 102         union winreg_Data r;
 103         DATA_BLOB blob = data_blob_const(data, length);
 104         WERROR result;
 105
 106         result = pull_winreg_Data(talloc_tos(), &blob, &r, type);
 107         if (!W_ERROR_IS_OK(result)) {
 108                 return;
 109         }
 110
 111         switch (type) {
 112         case REG_DWORD:
 113                 printf("%s: REG_DWORD: 0x%08x\n", v, r.value);
 114                 break;
 115         case REG_SZ:
 116                 printf("%s: REG_SZ: %s\n", v, r.string);
 117                 break;
 118         case REG_BINARY: {
 119                 char *hex = hex_encode_talloc(NULL,
 120                         r.binary.data, r.binary.length);
 121                 size_t len;
 122                 printf("%s: REG_BINARY:", v);
 123                 len = strlen(hex);
 124                 for (i=0; i<len; i++) {
 125                         if (hex[i] == '\0') {
 126                                 break;
 127                         }
 128                         if (i%40 == 0) {
 129                                 putchar('\n');
 130                         }
 131                         putchar(hex[i]);
 132                 }
 133                 TALLOC_FREE(hex);
 134                 putchar('\n');
 135                 break;
 136         }
 137         case REG_MULTI_SZ:
 138                 printf("%s: REG_MULTI_SZ: ", v);
 139                 for (i=0; r.string_array[i] != NULL; i++) {
 140                         printf("%s ", r.string_array[i]);
 141                 }
 142                 printf("\n");
 143                 break;
 144         default:
 145                 printf("%s: unknown type 0x%02x:\n", v, type);
 146                 break;
 147         }
 148 }
 149
 150
 151 static WERROR cmd_winreg_querymultiplevalues_ex(struct rpc_pipe_client *cli,
 152                                                 TALLOC_CTX *mem_ctx, int argc,
 153                                                 const char **argv, bool multiplevalues2)
 154 {
 155         NTSTATUS status;
 156         WERROR werr;
 157         struct policy_handle handle, key_handle;
 158         struct winreg_String key_name;
 159
 160         struct QueryMultipleValue *values_in, *values_out;
 161         uint32_t num_values;
 162         uint8_t *buffer = NULL;
 163         int i;
 164
 165
 166         if (argc < 2) {
 167                 printf("usage: %s [key] [value1] [value2] ...\n", argv[0]);
 168                 return WERR_OK;
 169         }
 170
 171         status = rpccli_winreg_OpenHKLM(cli, mem_ctx,
 172                                         NULL,
 173                                         SEC_FLAG_MAXIMUM_ALLOWED,
 174                                         &handle,
 175                                         &werr);
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 return ntstatus_to_werror(status);
 178         }
 179         if (!W_ERROR_IS_OK(werr)) {
 180                 return werr;
 181         }
 182
 183         key_name.name = argv[1];
 184
 185         status = rpccli_winreg_OpenKey(cli, mem_ctx,
 186                                        &handle,
 187                                        key_name,
 188                                        0, /* options */
 189                                        SEC_FLAG_MAXIMUM_ALLOWED,
 190                                        &key_handle,
 191                                        &werr);
 192         if (!NT_STATUS_IS_OK(status)) {
 193                 return ntstatus_to_werror(status);
 194         }
 195         if (!W_ERROR_IS_OK(werr)) {
 196                 return werr;
 197         }
 198
 199         num_values = argc-2;
 200
 201         values_in = talloc_zero_array(mem_ctx, struct QueryMultipleValue, num_values);
 202         if (values_in == NULL) {
 203                 return WERR_NOMEM;
 204         }
 205
 206         values_out = talloc_zero_array(mem_ctx, struct QueryMultipleValue, num_values);
 207         if (values_out == NULL) {
 208                 return WERR_NOMEM;
 209         }
 210
 211         for (i=0; i < num_values; i++) {
 212
 213                 values_in[i].ve_valuename = talloc_zero(values_in, struct winreg_ValNameBuf);
 214                 if (values_in[i].ve_valuename == NULL) {
 215                         return WERR_NOMEM;
 216                 }
 217
 218                 values_in[i].ve_valuename->name = talloc_strdup(values_in[i].ve_valuename, argv[i+2]);
 219                 values_in[i].ve_valuename->length = strlen_m_term_null(values_in[i].ve_valuename->name)*2;
 220                 values_in[i].ve_valuename->size = values_in[i].ve_valuename->length;
 221         }
 222
 223         if (multiplevalues2) {
 224
 225                 uint32_t offered = 0, needed = 0;
 226
 227                 status = rpccli_winreg_QueryMultipleValues2(cli, mem_ctx,
 228                                                            &key_handle,
 229                                                            values_in,
 230                                                            values_out,
 231                                                            num_values,
 232                                                            buffer,
 233                                                            &offered,
 234                                                            &needed,
 235                                                            &werr);
 236                 if (W_ERROR_EQUAL(werr, WERR_MORE_DATA)) {
 237                         offered = needed;
 238
 239                         buffer = talloc_zero_array(mem_ctx, uint8_t, needed);
 240                         if (buffer == NULL) {
 241                                 return WERR_NOMEM;
 242                         }
 243
 244                         status = rpccli_winreg_QueryMultipleValues2(cli, mem_ctx,
 245                                                                     &key_handle,
 246                                                                     values_in,
 247                                                                     values_out,
 248                                                                     num_values,
 249                                                                     buffer,
 250                                                                     &offered,
 251                                                                     &needed,
 252                                                                     &werr);
 253                         if (!NT_STATUS_IS_OK(status)) {
 254                                 return ntstatus_to_werror(status);
 255                         }
 256                         if (!W_ERROR_IS_OK(werr)) {
 257                                 return werr;
 258                         }
 259                 }
 260
 261         } else {
 262
 263                 uint32_t buffer_size = 0xff;
 264
 265                 buffer = talloc_zero_array(mem_ctx, uint8_t, buffer_size);
 266                 if (buffer == NULL) {
 267                         return WERR_NOMEM;
 268                 }
 269
 270                 status = rpccli_winreg_QueryMultipleValues(cli, mem_ctx,
 271                                                            &key_handle,
 272                                                            values_in,
 273                                                            values_out,
 274                                                            num_values,
 275                                                            buffer,
 276                                                            &buffer_size,
 277                                                            &werr);
 278                 if (!NT_STATUS_IS_OK(status)) {
 279                         return ntstatus_to_werror(status);
 280                 }
 281                 if (!W_ERROR_IS_OK(werr)) {
 282                         return werr;
 283                 }
 284         }
 285
 286         for (i=0; i < num_values; i++) {
 287                 if (buffer) {
 288                         display_winreg_data(values_in[i].ve_valuename->name,
 289                                             values_out[i].ve_type,
 290                                             buffer + values_out[i].ve_valueptr,
 291                                             values_out[i].ve_valuelen);
 292                 }
 293         }
 294
 295         return WERR_OK;
 296 }
 297
 298 static WERROR cmd_winreg_querymultiplevalues(struct rpc_pipe_client *cli,
 299                                              TALLOC_CTX *mem_ctx, int argc,
 300                                              const char **argv)
 301 {
 302         return cmd_winreg_querymultiplevalues_ex(cli, mem_ctx, argc, argv, false);
 303 }
 304
 305 static WERROR cmd_winreg_querymultiplevalues2(struct rpc_pipe_client *cli,
 306                                               TALLOC_CTX *mem_ctx, int argc,
 307                                               const char **argv)
 308 {
 309         return cmd_winreg_querymultiplevalues_ex(cli, mem_ctx, argc, argv, true);
 310 }
 311
 312 /* List of commands exported by this module */
 313
 314 struct cmd_set winreg_commands[] = {
 315
 316         { "WINREG" },
 317         { "enumkey", RPC_RTYPE_WERROR, NULL, cmd_winreg_enumkeys, &ndr_table_winreg.syntax_id, NULL, "Enumerate Keys", "" },
 318         { "querymultiplevalues", RPC_RTYPE_WERROR, NULL, cmd_winreg_querymultiplevalues, &ndr_table_winreg.syntax_id, NULL, "Query multiple values", "" },
 319         { "querymultiplevalues2", RPC_RTYPE_WERROR, NULL, cmd_winreg_querymultiplevalues2, &ndr_table_winreg.syntax_id, NULL, "Query multiple values", "" },
 320         { NULL }
 321 };