source3/torture/scanner.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB torture tester - scanning functions
   4    Copyright (C) Andrew Tridgell 2001
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "torture/proto.h"
  22
  23 #define VERBOSE 0
  24 #define OP_MIN 0
  25 #define OP_MAX 20
  26
  27 #define DATA_SIZE 1024
  28 #define PARAM_SIZE 1024
  29
  30 /****************************************************************************
  31 look for a partial hit
  32 ****************************************************************************/
  33 static void trans2_check_hit(const char *format, int op, int level, NTSTATUS status)
  34 {
  35         if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INVALID_LEVEL) ||
  36             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_NOT_IMPLEMENTED) ||
  37             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_NOT_SUPPORTED) ||
  38             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_UNSUCCESSFUL) ||
  39             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INVALID_INFO_CLASS)) {
  40                 return;
  41         }
  42 #if VERBOSE
  43         printf("possible %s hit op=%3d level=%5d status=%s\n",
  44                format, op, level, nt_errstr(status));
  45 #endif
  46 }
  47
  48 /****************************************************************************
  49 check for existance of a trans2 call
  50 ****************************************************************************/
  51 static NTSTATUS try_trans2(struct cli_state *cli,
  52                          int op,
  53                          char *param, char *data,
  54                          int param_len, int data_len,
  55                          unsigned int *rparam_len, unsigned int *rdata_len)
  56 {
  57         uint16 setup = op;
  58         char *rparam=NULL, *rdata=NULL;
  59
  60         if (!cli_send_trans(cli, SMBtrans2,
  61                             NULL,                           /* name */
  62                             -1, 0,                          /* fid, flags */
  63                             &setup, 1, 0,                   /* setup, length, max */
  64                             param, param_len, 2,            /* param, length, max */
  65                             data, data_len, cli->max_xmit   /* data, length, max */
  66                            )) {
  67                 return cli_nt_error(cli);
  68         }
  69
  70         cli_receive_trans(cli, SMBtrans2,
  71                            &rparam, rparam_len,
  72                            &rdata, rdata_len);
  73
  74         SAFE_FREE(rdata);
  75         SAFE_FREE(rparam);
  76
  77         return cli_nt_error(cli);
  78 }
  79
  80
  81 static NTSTATUS try_trans2_len(struct cli_state *cli,
  82                              const char *format,
  83                              int op, int level,
  84                              char *param, char *data,
  85                              int param_len, int *data_len,
  86                              unsigned int *rparam_len, unsigned int *rdata_len)
  87 {
  88         NTSTATUS ret=NT_STATUS_OK;
  89
  90         ret = try_trans2(cli, op, param, data, param_len,
  91                          DATA_SIZE, rparam_len, rdata_len);
  92 #if VERBOSE
  93         printf("op=%d level=%d ret=%s\n", op, level, nt_errstr(ret));
  94 #endif
  95         if (!NT_STATUS_IS_OK(ret)) return ret;
  96
  97         *data_len = 0;
  98         while (*data_len < DATA_SIZE) {
  99                 ret = try_trans2(cli, op, param, data, param_len,
 100                                  *data_len, rparam_len, rdata_len);
 101                 if (NT_STATUS_IS_OK(ret)) break;
 102                 *data_len += 2;
 103         }
 104         if (NT_STATUS_IS_OK(ret)) {
 105                 printf("found %s level=%d data_len=%d rparam_len=%d rdata_len=%d\n",
 106                        format, level, *data_len, *rparam_len, *rdata_len);
 107         } else {
 108                 trans2_check_hit(format, op, level, ret);
 109         }
 110         return ret;
 111 }
 112
 113 /****************************************************************************
 114 check for existance of a trans2 call
 115 ****************************************************************************/
 116 static bool scan_trans2(struct cli_state *cli, int op, int level,
 117                         int fnum, int dnum, const char *fname)
 118 {
 119         int data_len = 0;
 120         int param_len = 0;
 121         unsigned int rparam_len, rdata_len;
 122         char param[PARAM_SIZE], data[DATA_SIZE];
 123         NTSTATUS status;
 124
 125         memset(data, 0, sizeof(data));
 126         data_len = 4;
 127
 128         /* try with a info level only */
 129         param_len = 2;
 130         SSVAL(param, 0, level);
 131         status = try_trans2_len(cli, "void", op, level, param, data, param_len, &data_len,
 132                             &rparam_len, &rdata_len);
 133         if (NT_STATUS_IS_OK(status)) return True;
 134
 135         /* try with a file descriptor */
 136         param_len = 6;
 137         SSVAL(param, 0, fnum);
 138         SSVAL(param, 2, level);
 139         SSVAL(param, 4, 0);
 140         status = try_trans2_len(cli, "fnum", op, level, param, data, param_len, &data_len,
 141                                 &rparam_len, &rdata_len);
 142         if (NT_STATUS_IS_OK(status)) return True;
 143
 144
 145         /* try with a notify style */
 146         param_len = 6;
 147         SSVAL(param, 0, dnum);
 148         SSVAL(param, 2, dnum);
 149         SSVAL(param, 4, level);
 150         status = try_trans2_len(cli, "notify", op, level, param, data, param_len, &data_len,
 151                                 &rparam_len, &rdata_len);
 152         if (NT_STATUS_IS_OK(status)) return True;
 153
 154         /* try with a file name */
 155         param_len = 6;
 156         SSVAL(param, 0, level);
 157         SSVAL(param, 2, 0);
 158         SSVAL(param, 4, 0);
 159         param_len += clistr_push(cli, &param[6], fname, -1, STR_TERMINATE);
 160
 161         status = try_trans2_len(cli, "fname", op, level, param, data, param_len, &data_len,
 162                                 &rparam_len, &rdata_len);
 163         if (NT_STATUS_IS_OK(status)) return True;
 164
 165         /* try with a new file name */
 166         param_len = 6;
 167         SSVAL(param, 0, level);
 168         SSVAL(param, 2, 0);
 169         SSVAL(param, 4, 0);
 170         param_len += clistr_push(cli, &param[6], "\\newfile.dat", -1, STR_TERMINATE);
 171
 172         status = try_trans2_len(cli, "newfile", op, level, param, data, param_len, &data_len,
 173                                 &rparam_len, &rdata_len);
 174         cli_unlink(cli, "\\newfile.dat", aSYSTEM | aHIDDEN);
 175         cli_rmdir(cli, "\\newfile.dat");
 176         if (NT_STATUS_IS_OK(status)) return True;
 177
 178         /* try dfs style  */
 179         cli_mkdir(cli, "\\testdir");
 180         param_len = 2;
 181         SSVAL(param, 0, level);
 182         param_len += clistr_push(cli, &param[2], "\\testdir", -1, STR_TERMINATE);
 183
 184         status = try_trans2_len(cli, "dfs", op, level, param, data, param_len, &data_len,
 185                                 &rparam_len, &rdata_len);
 186         cli_rmdir(cli, "\\testdir");
 187         if (NT_STATUS_IS_OK(status)) return True;
 188
 189         return False;
 190 }
 191
 192
 193 bool torture_trans2_scan(int dummy)
 194 {
 195         static struct cli_state *cli;
 196         int op, level;
 197         const char *fname = "\\scanner.dat";
 198         uint16_t fnum, dnum;
 199
 200         printf("starting trans2 scan test\n");
 201
 202         if (!torture_open_connection(&cli, 0)) {
 203                 return False;
 204         }
 205
 206         if (!NT_STATUS_IS_OK(cli_open(cli, fname, O_RDWR | O_CREAT | O_TRUNC,
 207                          DENY_NONE, &fnum))) {
 208                 printf("open of %s failed\n", fname);
 209                 return false;
 210         }
 211         if (!NT_STATUS_IS_OK(cli_open(cli, "\\", O_RDONLY, DENY_NONE, &dnum))) {
 212                 printf("open of \\ failed\n");
 213                 return false;
 214         }
 215
 216         for (op=OP_MIN; op<=OP_MAX; op++) {
 217                 printf("Scanning op=%d\n", op);
 218                 for (level = 0; level <= 50; level++) {
 219                         scan_trans2(cli, op, level, fnum, dnum, fname);
 220                 }
 221
 222                 for (level = 0x100; level <= 0x130; level++) {
 223                         scan_trans2(cli, op, level, fnum, dnum, fname);
 224                 }
 225
 226                 for (level = 1000; level < 1050; level++) {
 227                         scan_trans2(cli, op, level, fnum, dnum, fname);
 228                 }
 229         }
 230
 231         torture_close_connection(cli);
 232
 233         printf("trans2 scan finished\n");
 234         return True;
 235 }
 236
 237
 238
 239
 240 /****************************************************************************
 241 look for a partial hit
 242 ****************************************************************************/
 243 static void nttrans_check_hit(const char *format, int op, int level, NTSTATUS status)
 244 {
 245         if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INVALID_LEVEL) ||
 246             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_NOT_IMPLEMENTED) ||
 247             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_NOT_SUPPORTED) ||
 248             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_UNSUCCESSFUL) ||
 249             NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INVALID_INFO_CLASS)) {
 250                 return;
 251         }
 252 #if VERBOSE
 253                 printf("possible %s hit op=%3d level=%5d status=%s\n",
 254                        format, op, level, nt_errstr(status));
 255 #endif
 256 }
 257
 258 /****************************************************************************
 259 check for existance of a nttrans call
 260 ****************************************************************************/
 261 static NTSTATUS try_nttrans(struct cli_state *cli,
 262                          int op,
 263                          char *param, char *data,
 264                          int param_len, int data_len,
 265                          unsigned int *rparam_len, unsigned int *rdata_len)
 266 {
 267         char *rparam=NULL, *rdata=NULL;
 268
 269         if (!cli_send_nt_trans(cli, op,
 270                                0,
 271                                NULL, 0, 0,
 272                                param, param_len, 2,            /* param, length, max */
 273                                data, data_len, cli->max_xmit   /* data, length, max */
 274                            )) {
 275                 return cli_nt_error(cli);
 276         }
 277
 278         cli_receive_nt_trans(cli,
 279                              &rparam, rparam_len,
 280                              &rdata, rdata_len);
 281
 282         SAFE_FREE(rdata);
 283         SAFE_FREE(rparam);
 284
 285         return cli_nt_error(cli);
 286 }
 287
 288
 289 static NTSTATUS try_nttrans_len(struct cli_state *cli,
 290                              const char *format,
 291                              int op, int level,
 292                              char *param, char *data,
 293                              int param_len, int *data_len,
 294                              unsigned int *rparam_len, unsigned int *rdata_len)
 295 {
 296         NTSTATUS ret=NT_STATUS_OK;
 297
 298         ret = try_nttrans(cli, op, param, data, param_len,
 299                          DATA_SIZE, rparam_len, rdata_len);
 300 #if VERBOSE
 301         printf("op=%d level=%d ret=%s\n", op, level, nt_errstr(ret));
 302 #endif
 303         if (!NT_STATUS_IS_OK(ret)) return ret;
 304
 305         *data_len = 0;
 306         while (*data_len < DATA_SIZE) {
 307                 ret = try_nttrans(cli, op, param, data, param_len,
 308                                  *data_len, rparam_len, rdata_len);
 309                 if (NT_STATUS_IS_OK(ret)) break;
 310                 *data_len += 2;
 311         }
 312         if (NT_STATUS_IS_OK(ret)) {
 313                 printf("found %s level=%d data_len=%d rparam_len=%d rdata_len=%d\n",
 314                        format, level, *data_len, *rparam_len, *rdata_len);
 315         } else {
 316                 nttrans_check_hit(format, op, level, ret);
 317         }
 318         return ret;
 319 }
 320
 321 /****************************************************************************
 322 check for existance of a nttrans call
 323 ****************************************************************************/
 324 static bool scan_nttrans(struct cli_state *cli, int op, int level,
 325                         int fnum, int dnum, const char *fname)
 326 {
 327         int data_len = 0;
 328         int param_len = 0;
 329         unsigned int rparam_len, rdata_len;
 330         char param[PARAM_SIZE], data[DATA_SIZE];
 331         NTSTATUS status;
 332
 333         memset(data, 0, sizeof(data));
 334         data_len = 4;
 335
 336         /* try with a info level only */
 337         param_len = 2;
 338         SSVAL(param, 0, level);
 339         status = try_nttrans_len(cli, "void", op, level, param, data, param_len, &data_len,
 340                             &rparam_len, &rdata_len);
 341         if (NT_STATUS_IS_OK(status)) return True;
 342
 343         /* try with a file descriptor */
 344         param_len = 6;
 345         SSVAL(param, 0, fnum);
 346         SSVAL(param, 2, level);
 347         SSVAL(param, 4, 0);
 348         status = try_nttrans_len(cli, "fnum", op, level, param, data, param_len, &data_len,
 349                                 &rparam_len, &rdata_len);
 350         if (NT_STATUS_IS_OK(status)) return True;
 351
 352
 353         /* try with a notify style */
 354         param_len = 6;
 355         SSVAL(param, 0, dnum);
 356         SSVAL(param, 2, dnum);
 357         SSVAL(param, 4, level);
 358         status = try_nttrans_len(cli, "notify", op, level, param, data, param_len, &data_len,
 359                                 &rparam_len, &rdata_len);
 360         if (NT_STATUS_IS_OK(status)) return True;
 361
 362         /* try with a file name */
 363         param_len = 6;
 364         SSVAL(param, 0, level);
 365         SSVAL(param, 2, 0);
 366         SSVAL(param, 4, 0);
 367         param_len += clistr_push(cli, &param[6], fname, -1, STR_TERMINATE);
 368
 369         status = try_nttrans_len(cli, "fname", op, level, param, data, param_len, &data_len,
 370                                 &rparam_len, &rdata_len);
 371         if (NT_STATUS_IS_OK(status)) return True;
 372
 373         /* try with a new file name */
 374         param_len = 6;
 375         SSVAL(param, 0, level);
 376         SSVAL(param, 2, 0);
 377         SSVAL(param, 4, 0);
 378         param_len += clistr_push(cli, &param[6], "\\newfile.dat", -1, STR_TERMINATE);
 379
 380         status = try_nttrans_len(cli, "newfile", op, level, param, data, param_len, &data_len,
 381                                 &rparam_len, &rdata_len);
 382         cli_unlink(cli, "\\newfile.dat", aSYSTEM | aHIDDEN);
 383         cli_rmdir(cli, "\\newfile.dat");
 384         if (NT_STATUS_IS_OK(status)) return True;
 385
 386         /* try dfs style  */
 387         cli_mkdir(cli, "\\testdir");
 388         param_len = 2;
 389         SSVAL(param, 0, level);
 390         param_len += clistr_push(cli, &param[2], "\\testdir", -1, STR_TERMINATE);
 391
 392         status = try_nttrans_len(cli, "dfs", op, level, param, data, param_len, &data_len,
 393                                 &rparam_len, &rdata_len);
 394         cli_rmdir(cli, "\\testdir");
 395         if (NT_STATUS_IS_OK(status)) return True;
 396
 397         return False;
 398 }
 399
 400
 401 bool torture_nttrans_scan(int dummy)
 402 {
 403         static struct cli_state *cli;
 404         int op, level;
 405         const char *fname = "\\scanner.dat";
 406         uint16_t fnum, dnum;
 407
 408         printf("starting nttrans scan test\n");
 409
 410         if (!torture_open_connection(&cli, 0)) {
 411                 return False;
 412         }
 413
 414         cli_open(cli, fname, O_RDWR | O_CREAT | O_TRUNC,
 415                          DENY_NONE, &fnum);
 416         cli_open(cli, "\\", O_RDONLY, DENY_NONE, &dnum);
 417
 418         for (op=OP_MIN; op<=OP_MAX; op++) {
 419                 printf("Scanning op=%d\n", op);
 420                 for (level = 0; level <= 50; level++) {
 421                         scan_nttrans(cli, op, level, fnum, dnum, fname);
 422                 }
 423
 424                 for (level = 0x100; level <= 0x130; level++) {
 425                         scan_nttrans(cli, op, level, fnum, dnum, fname);
 426                 }
 427
 428                 for (level = 1000; level < 1050; level++) {
 429                         scan_nttrans(cli, op, level, fnum, dnum, fname);
 430                 }
 431         }
 432
 433         torture_close_connection(cli);
 434
 435         printf("nttrans scan finished\n");
 436         return True;
 437 }