source3/torture/vfstest.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    VFS module tester
   4
   5    Copyright (C) Simo Sorce 2002
   6    Copyright (C) Eric Lorimer 2002
   7    Copyright (C) Jelmer Vernooij 2002,2003
   8
   9    Most of this code was ripped off of rpcclient.
  10    Copyright (C) Tim Potter 2000-2001
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27 #include "smbd/smbd.h"
  28 #include "smbd/globals.h"
  29 #include "popt_common.h"
  30 #include "vfstest.h"
  31 #include "../libcli/smbreadline/smbreadline.h"
  32 #include "auth.h"
  33 #include "serverid.h"
  34 #include "messages.h"
  35 #include "libcli/security/security.h"
  36 #include "lib/smbd_shim.h"
  37 #include "system/filesys.h"
  38
  39 /* List to hold groups of commands */
  40 static struct cmd_list {
  41         struct cmd_list *prev, *next;
  42         struct cmd_set *cmd_set;
  43 } *cmd_list;
  44
  45 /* shall we do talloc_report after each command? */
  46 static int memreports = 0;
  47
  48 /****************************************************************************
  49 handle completion of commands for readline
  50 ****************************************************************************/
  51 static char **completion_fn(const char *text, int start, int end)
  52 {
  53 #define MAX_COMPLETIONS 100
  54         char **matches;
  55         int i, count=0;
  56         struct cmd_list *commands = cmd_list;
  57
  58         if (start)
  59                 return NULL;
  60
  61         /* make sure we have a list of valid commands */
  62         if (!commands)
  63                 return NULL;
  64
  65         matches = SMB_MALLOC_ARRAY(char *, MAX_COMPLETIONS);
  66         if (!matches) return NULL;
  67
  68         matches[count++] = SMB_STRDUP(text);
  69         if (!matches[0]) return NULL;
  70
  71         while (commands && count < MAX_COMPLETIONS-1)
  72         {
  73                 if (!commands->cmd_set)
  74                         break;
  75
  76                 for (i=0; commands->cmd_set[i].name; i++)
  77                 {
  78                         if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
  79                                 commands->cmd_set[i].fn)
  80                         {
  81                                 matches[count] = SMB_STRDUP(commands->cmd_set[i].name);
  82                                 if (!matches[count])
  83                                         return NULL;
  84                                 count++;
  85                         }
  86                 }
  87
  88                 commands = commands->next;
  89         }
  90
  91         if (count == 2) {
  92                 SAFE_FREE(matches[0]);
  93                 matches[0] = SMB_STRDUP(matches[1]);
  94         }
  95         matches[count] = NULL;
  96         return matches;
  97 }
  98
  99 static char *next_command(TALLOC_CTX *ctx, char **cmdstr)
 100 {
 101         char *command;
 102         char *p;
 103
 104         if (!cmdstr || !(*cmdstr))
 105                 return NULL;
 106
 107         p = strchr_m(*cmdstr, ';');
 108         if (p)
 109                 *p = '\0';
 110         command = talloc_strdup(ctx, *cmdstr);
 111
 112         /* Pass back the remaining cmdstring
 113            (a trailing delimiter ";" does also work),
 114            or NULL at last cmdstring.
 115         */
 116         *cmdstr = p ? p + 1 : p;
 117
 118         return command;
 119 }
 120
 121 /* Load specified configuration file */
 122 static NTSTATUS cmd_conf(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 123                         int argc, const char **argv)
 124 {
 125         if (argc != 2) {
 126                 printf("Usage: %s <smb.conf>\n", argv[0]);
 127                 return NT_STATUS_OK;
 128         }
 129
 130         if (!lp_load_with_shares(argv[1])) {
 131                 printf("Error loading \"%s\"\n", argv[1]);
 132                 return NT_STATUS_OK;
 133         }
 134
 135         printf("\"%s\" successfully loaded\n", argv[1]);
 136         return NT_STATUS_OK;
 137 }
 138
 139 /* Display help on commands */
 140 static NTSTATUS cmd_help(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 141                          int argc, const char **argv)
 142 {
 143         struct cmd_list *tmp;
 144         struct cmd_set *tmp_set;
 145
 146         /* Usage */
 147         if (argc > 2) {
 148                 printf("Usage: %s [command]\n", argv[0]);
 149                 return NT_STATUS_OK;
 150         }
 151
 152         /* Help on one command */
 153
 154         if (argc == 2) {
 155                 for (tmp = cmd_list; tmp; tmp = tmp->next) {
 156
 157                         tmp_set = tmp->cmd_set;
 158
 159                         while(tmp_set->name) {
 160                                 if (strequal(argv[1], tmp_set->name)) {
 161                                         if (tmp_set->usage &&
 162                                             tmp_set->usage[0])
 163                                                 printf("%s\n", tmp_set->usage);
 164                                         else
 165                                                 printf("No help for %s\n", tmp_set->name);
 166
 167                                         return NT_STATUS_OK;
 168                                 }
 169
 170                                 tmp_set++;
 171                         }
 172                 }
 173
 174                 printf("No such command: %s\n", argv[1]);
 175                 return NT_STATUS_OK;
 176         }
 177
 178         /* List all commands */
 179
 180         for (tmp = cmd_list; tmp; tmp = tmp->next) {
 181
 182                 tmp_set = tmp->cmd_set;
 183
 184                 while(tmp_set->name) {
 185
 186                         printf("%15s\t\t%s\n", tmp_set->name,
 187                                tmp_set->description ? tmp_set->description:
 188                                "");
 189
 190                         tmp_set++;
 191                 }
 192         }
 193
 194         return NT_STATUS_OK;
 195 }
 196
 197 /* Change the debug level */
 198 static NTSTATUS cmd_debuglevel(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 199 {
 200         if (argc > 2) {
 201                 printf("Usage: %s [debuglevel]\n", argv[0]);
 202                 return NT_STATUS_OK;
 203         }
 204
 205         if (argc == 2) {
 206                 lp_set_cmdline("log level", argv[1]);
 207         }
 208
 209         printf("debuglevel is %d\n", DEBUGLEVEL);
 210
 211         return NT_STATUS_OK;
 212 }
 213
 214 static NTSTATUS cmd_freemem(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 215 {
 216         /* Cleanup */
 217         talloc_destroy(mem_ctx);
 218         mem_ctx = NULL;
 219         vfs->data = NULL;
 220         vfs->data_size = 0;
 221         return NT_STATUS_OK;
 222 }
 223
 224 static NTSTATUS cmd_quit(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 225 {
 226         /* Cleanup */
 227         talloc_destroy(mem_ctx);
 228
 229         exit(0);
 230         return NT_STATUS_OK; /* NOTREACHED */
 231 }
 232
 233 static struct cmd_set vfstest_commands[] = {
 234
 235         { "GENERAL OPTIONS" },
 236
 237         { "conf",       cmd_conf,       "Load smb configuration file", "conf <smb.conf>" },
 238         { "help",       cmd_help,       "Get help on commands", "" },
 239         { "?",          cmd_help,       "Get help on commands", "" },
 240         { "debuglevel", cmd_debuglevel, "Set debug level", "" },
 241         { "freemem",    cmd_freemem,    "Free currently allocated buffers", "" },
 242         { "exit",       cmd_quit,       "Exit program", "" },
 243         { "quit",       cmd_quit,       "Exit program", "" },
 244
 245         { NULL }
 246 };
 247
 248 static struct cmd_set separator_command[] = {
 249         { "---------------", NULL,      "----------------------" },
 250         { NULL }
 251 };
 252
 253
 254 extern struct cmd_set vfs_commands[];
 255 static struct cmd_set *vfstest_command_list[] = {
 256         vfstest_commands,
 257         vfs_commands,
 258         NULL
 259 };
 260
 261 static void add_command_set(struct cmd_set *cmd_set)
 262 {
 263         struct cmd_list *entry;
 264
 265         if (!(entry = SMB_MALLOC_P(struct cmd_list))) {
 266                 DEBUG(0, ("out of memory\n"));
 267                 return;
 268         }
 269
 270         ZERO_STRUCTP(entry);
 271
 272         entry->cmd_set = cmd_set;
 273         DLIST_ADD(cmd_list, entry);
 274 }
 275
 276 static NTSTATUS do_cmd(struct vfs_state *vfs, struct cmd_set *cmd_entry, char *cmd)
 277 {
 278         const char *p = cmd;
 279         const char **argv = NULL;
 280         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 281         char *buf;
 282         TALLOC_CTX *mem_ctx = talloc_stackframe();
 283         int argc = 0;
 284
 285         /* Count number of arguments first time through the loop then
 286            allocate memory and strdup them. */
 287
 288  again:
 289         while(next_token_talloc(mem_ctx, &p, &buf, " ")) {
 290                 if (argv) {
 291                         argv[argc] = talloc_strdup(argv, buf);
 292                 }
 293                 argc++;
 294         }
 295
 296         if (!argv) {
 297                 /* Create argument list */
 298
 299                 argv = talloc_zero_array(mem_ctx, const char *, argc);
 300                 if (argv == NULL) {
 301                         fprintf(stderr, "out of memory\n");
 302                         result = NT_STATUS_NO_MEMORY;
 303                         goto done;
 304                 }
 305
 306                 p = cmd;
 307                 argc = 0;
 308
 309                 goto again;
 310         }
 311
 312         /* Call the function */
 313
 314         if (cmd_entry->fn) {
 315                 /* Run command */
 316                 result = cmd_entry->fn(vfs, mem_ctx, argc, (const char **)argv);
 317         } else {
 318                 fprintf (stderr, "Invalid command\n");
 319                 goto done;
 320         }
 321
 322  done:
 323
 324         /* Cleanup */
 325
 326         if (argv) {
 327                 char **_argv = discard_const_p(char *, argv);
 328                 TALLOC_FREE(_argv);
 329                 argv = NULL;
 330         }
 331
 332         if (memreports != 0) {
 333                 talloc_report_full(mem_ctx, stdout);
 334         }
 335         TALLOC_FREE(mem_ctx);
 336         return result;
 337 }
 338
 339 /* Process a command entered at the prompt or as part of -c */
 340 static NTSTATUS process_cmd(struct vfs_state *vfs, char *cmd)
 341 {
 342         struct cmd_list *temp_list;
 343         bool found = False;
 344         char *buf;
 345         const char *p = cmd;
 346         NTSTATUS result = NT_STATUS_OK;
 347         TALLOC_CTX *mem_ctx = talloc_stackframe();
 348         int len = 0;
 349
 350         if (cmd[strlen(cmd) - 1] == '\n')
 351                 cmd[strlen(cmd) - 1] = '\0';
 352
 353         if (!next_token_talloc(mem_ctx, &p, &buf, " ")) {
 354                 TALLOC_FREE(mem_ctx);
 355                 return NT_STATUS_OK;
 356         }
 357
 358         /* Strip the trailing \n if it exists */
 359         len = strlen(buf);
 360         if (buf[len-1] == '\n')
 361                 buf[len-1] = '\0';
 362
 363         /* Search for matching commands */
 364
 365         for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
 366                 struct cmd_set *temp_set = temp_list->cmd_set;
 367
 368                 while(temp_set->name) {
 369                         if (strequal(buf, temp_set->name)) {
 370                                 found = True;
 371                                 result = do_cmd(vfs, temp_set, cmd);
 372
 373                                 goto done;
 374                         }
 375                         temp_set++;
 376                 }
 377         }
 378
 379  done:
 380         if (!found && buf[0]) {
 381                 printf("command not found: %s\n", buf);
 382                 TALLOC_FREE(mem_ctx);
 383                 return NT_STATUS_OK;
 384         }
 385
 386         if (!NT_STATUS_IS_OK(result)) {
 387                 printf("result was %s\n", nt_errstr(result));
 388         }
 389
 390         TALLOC_FREE(mem_ctx);
 391         return result;
 392 }
 393
 394 static void process_file(struct vfs_state *pvfs, char *filename) {
 395         FILE *file;
 396         char command[3 * PATH_MAX];
 397
 398         if (*filename == '-') {
 399                 file = stdin;
 400         } else {
 401                 file = fopen(filename, "r");
 402                 if (file == NULL) {
 403                         printf("vfstest: error reading file (%s)!", filename);
 404                         printf("errno n.%d: %s", errno, strerror(errno));
 405                         exit(-1);
 406                 }
 407         }
 408
 409         while (fgets(command, 3 * PATH_MAX, file) != NULL) {
 410                 process_cmd(pvfs, command);
 411         }
 412
 413         if (file != stdin) {
 414                 fclose(file);
 415         }
 416 }
 417
 418 static void vfstest_exit_server(const char * const reason) _NORETURN_;
 419 static void vfstest_exit_server(const char * const reason)
 420 {
 421         DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
 422         exit(0);
 423 }
 424
 425 static void vfstest_exit_server_cleanly(const char * const reason) _NORETURN_;
 426 static void vfstest_exit_server_cleanly(const char * const reason)
 427 {
 428         vfstest_exit_server("normal exit");
 429 }
 430
 431 struct smb_request *vfstest_get_smbreq(TALLOC_CTX *mem_ctx,
 432                                        struct vfs_state *vfs)
 433 {
 434         struct smb_request *result;
 435         uint8_t *inbuf;
 436
 437         result = talloc_zero(mem_ctx, struct smb_request);
 438         if (result == NULL) {
 439                 return NULL;
 440         }
 441         result->sconn = vfs->conn->sconn;
 442         result->mid = ++vfs->mid;
 443
 444         inbuf = talloc_array(result, uint8_t, smb_size);
 445         if (inbuf == NULL) {
 446                 goto fail;
 447         }
 448         SSVAL(inbuf, smb_mid, result->mid);
 449         smb_setlen(inbuf, smb_size-4);
 450         result->inbuf = inbuf;
 451         return result;
 452 fail:
 453         TALLOC_FREE(result);
 454         return NULL;
 455 }
 456
 457 /* Main function */
 458
 459 int main(int argc, const char *argv[])
 460 {
 461         char *cmdstr = NULL;
 462         struct cmd_set  **cmd_set;
 463         struct vfs_state *vfs;
 464         int i;
 465         char *filename = NULL;
 466         char cwd[MAXPATHLEN];
 467         TALLOC_CTX *frame = talloc_stackframe();
 468         struct tevent_context *ev;
 469         struct auth_session_info *session_info = NULL;
 470         NTSTATUS status = NT_STATUS_OK;
 471
 472         /* make sure the vars that get altered (4th field) are in
 473            a fixed location or certain compilers complain */
 474         poptContext pc;
 475         struct poptOption long_options[] = {
 476                 POPT_AUTOHELP
 477                 {"file",        'f', POPT_ARG_STRING,   &filename, 0, },
 478                 {"command",     'c', POPT_ARG_STRING,   &cmdstr, 0, "Execute specified list of commands" },
 479                 {"memreport",   'm', POPT_ARG_INT,      &memreports, 0,
 480                  "Report memory left on talloc stackframe after each command" },
 481                 POPT_COMMON_SAMBA
 482                 POPT_TABLEEND
 483         };
 484         static const struct smbd_shim vfstest_shim_fns =
 485         {
 486                 .exit_server = vfstest_exit_server,
 487                 .exit_server_cleanly = vfstest_exit_server_cleanly,
 488         };
 489
 490         smb_init_locale();
 491
 492         setlinebuf(stdout);
 493
 494         pc = poptGetContext("vfstest", argc, argv, long_options, 0);
 495
 496         while(poptGetNextOpt(pc) != -1);
 497
 498
 499         poptFreeContext(pc);
 500
 501         /* we want total control over the permissions on created files,
 502            so set our umask to 0 */
 503         umask(0);
 504
 505         lp_load_initial_only(get_dyn_CONFIGFILE());
 506
 507         /* TODO: check output */
 508         reload_services(NULL, NULL, false);
 509
 510         /* the following functions are part of the Samba debugging
 511            facilities.  See lib/debug.c */
 512         setup_logging("vfstest", DEBUG_STDOUT);
 513
 514         set_smbd_shim(&vfstest_shim_fns);
 515
 516         /* Load command lists */
 517
 518         cmd_set = vfstest_command_list;
 519
 520         while(*cmd_set) {
 521                 add_command_set(*cmd_set);
 522                 add_command_set(separator_command);
 523                 cmd_set++;
 524         }
 525
 526         /* some basic initialization stuff */
 527         sec_init();
 528         init_guest_info();
 529         locking_init();
 530         serverid_parent_init(NULL);
 531         vfs = talloc_zero(NULL, struct vfs_state);
 532         if (vfs == NULL) {
 533                 return 1;
 534         }
 535         status = make_session_info_guest(vfs, &session_info);
 536         if (!NT_STATUS_IS_OK(status)) {
 537                 return 1;
 538         }
 539
 540         ev = server_event_context();
 541
 542         status = create_conn_struct(vfs,
 543                                 ev,
 544                                 server_messaging_context(),
 545                                 &vfs->conn,
 546                                 -1,
 547                                 getcwd(cwd, sizeof(cwd)),
 548                                 session_info);
 549         if (!NT_STATUS_IS_OK(status)) {
 550                 return 1;
 551         }
 552
 553         vfs->conn->share_access = FILE_GENERIC_ALL;
 554         vfs->conn->read_only = false;
 555
 556         serverid_register(messaging_server_id(vfs->conn->sconn->msg_ctx), 0);
 557         file_init(vfs->conn->sconn);
 558         for (i=0; i < 1024; i++)
 559                 vfs->files[i] = NULL;
 560
 561         if (!posix_locking_init(false)) {
 562                 return 1;
 563         }
 564
 565         /* Do we have a file input? */
 566         if (filename && filename[0]) {
 567                 process_file(vfs, filename);
 568                 return 0;
 569         }
 570
 571         /* Do anything specified with -c */
 572         if (cmdstr && cmdstr[0]) {
 573                 char    *cmd;
 574                 char    *p = cmdstr;
 575
 576                 while((cmd=next_command(frame, &p)) != NULL) {
 577                         status = process_cmd(vfs, cmd);
 578                 }
 579
 580                 TALLOC_FREE(cmd);
 581                 return NT_STATUS_IS_OK(status) ? 0 : 1;
 582         }
 583
 584         /* Loop around accepting commands */
 585
 586         while(1) {
 587                 char *line = NULL;
 588
 589                 line = smb_readline("vfstest $> ", NULL, completion_fn);
 590
 591                 if (line == NULL) {
 592                         break;
 593                 }
 594
 595                 if (line[0] != '\n') {
 596                         status = process_cmd(vfs, line);
 597                 }
 598                 SAFE_FREE(line);
 599         }
 600
 601         TALLOC_FREE(vfs);
 602         TALLOC_FREE(frame);
 603         return NT_STATUS_IS_OK(status) ? 0 : 1;
 604 }