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
  37 /* List to hold groups of commands */
  38 static struct cmd_list {
  39         struct cmd_list *prev, *next;
  40         struct cmd_set *cmd_set;
  41 } *cmd_list;
  42
  43 /****************************************************************************
  44 handle completion of commands for readline
  45 ****************************************************************************/
  46 static char **completion_fn(const char *text, int start, int end)
  47 {
  48 #define MAX_COMPLETIONS 100
  49         char **matches;
  50         int i, count=0;
  51         struct cmd_list *commands = cmd_list;
  52
  53         if (start)
  54                 return NULL;
  55
  56         /* make sure we have a list of valid commands */
  57         if (!commands)
  58                 return NULL;
  59
  60         matches = SMB_MALLOC_ARRAY(char *, MAX_COMPLETIONS);
  61         if (!matches) return NULL;
  62
  63         matches[count++] = SMB_STRDUP(text);
  64         if (!matches[0]) return NULL;
  65
  66         while (commands && count < MAX_COMPLETIONS-1)
  67         {
  68                 if (!commands->cmd_set)
  69                         break;
  70
  71                 for (i=0; commands->cmd_set[i].name; i++)
  72                 {
  73                         if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
  74                                 commands->cmd_set[i].fn)
  75                         {
  76                                 matches[count] = SMB_STRDUP(commands->cmd_set[i].name);
  77                                 if (!matches[count])
  78                                         return NULL;
  79                                 count++;
  80                         }
  81                 }
  82
  83                 commands = commands->next;
  84         }
  85
  86         if (count == 2) {
  87                 SAFE_FREE(matches[0]);
  88                 matches[0] = SMB_STRDUP(matches[1]);
  89         }
  90         matches[count] = NULL;
  91         return matches;
  92 }
  93
  94 static char *next_command(TALLOC_CTX *ctx, char **cmdstr)
  95 {
  96         char *command;
  97         char *p;
  98
  99         if (!cmdstr || !(*cmdstr))
 100                 return NULL;
 101
 102         p = strchr_m(*cmdstr, ';');
 103         if (p)
 104                 *p = '\0';
 105         command = talloc_strdup(ctx, *cmdstr);
 106         *cmdstr = p;
 107
 108         return command;
 109 }
 110
 111 /* Load specified configuration file */
 112 static NTSTATUS cmd_conf(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 113                         int argc, const char **argv)
 114 {
 115         if (argc != 2) {
 116                 printf("Usage: %s <smb.conf>\n", argv[0]);
 117                 return NT_STATUS_OK;
 118         }
 119
 120         if (!lp_load(argv[1], False, True, False, True)) {
 121                 printf("Error loading \"%s\"\n", argv[1]);
 122                 return NT_STATUS_OK;
 123         }
 124
 125         printf("\"%s\" successfully loaded\n", argv[1]);
 126         return NT_STATUS_OK;
 127 }
 128
 129 /* Display help on commands */
 130 static NTSTATUS cmd_help(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 131                          int argc, const char **argv)
 132 {
 133         struct cmd_list *tmp;
 134         struct cmd_set *tmp_set;
 135
 136         /* Usage */
 137         if (argc > 2) {
 138                 printf("Usage: %s [command]\n", argv[0]);
 139                 return NT_STATUS_OK;
 140         }
 141
 142         /* Help on one command */
 143
 144         if (argc == 2) {
 145                 for (tmp = cmd_list; tmp; tmp = tmp->next) {
 146
 147                         tmp_set = tmp->cmd_set;
 148
 149                         while(tmp_set->name) {
 150                                 if (strequal(argv[1], tmp_set->name)) {
 151                                         if (tmp_set->usage &&
 152                                             tmp_set->usage[0])
 153                                                 printf("%s\n", tmp_set->usage);
 154                                         else
 155                                                 printf("No help for %s\n", tmp_set->name);
 156
 157                                         return NT_STATUS_OK;
 158                                 }
 159
 160                                 tmp_set++;
 161                         }
 162                 }
 163
 164                 printf("No such command: %s\n", argv[1]);
 165                 return NT_STATUS_OK;
 166         }
 167
 168         /* List all commands */
 169
 170         for (tmp = cmd_list; tmp; tmp = tmp->next) {
 171
 172                 tmp_set = tmp->cmd_set;
 173
 174                 while(tmp_set->name) {
 175
 176                         printf("%15s\t\t%s\n", tmp_set->name,
 177                                tmp_set->description ? tmp_set->description:
 178                                "");
 179
 180                         tmp_set++;
 181                 }
 182         }
 183
 184         return NT_STATUS_OK;
 185 }
 186
 187 /* Change the debug level */
 188 static NTSTATUS cmd_debuglevel(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 189 {
 190         if (argc > 2) {
 191                 printf("Usage: %s [debuglevel]\n", argv[0]);
 192                 return NT_STATUS_OK;
 193         }
 194
 195         if (argc == 2) {
 196                 lp_set_cmdline("log level", argv[1]);
 197         }
 198
 199         printf("debuglevel is %d\n", DEBUGLEVEL);
 200
 201         return NT_STATUS_OK;
 202 }
 203
 204 static NTSTATUS cmd_freemem(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 205 {
 206         /* Cleanup */
 207         talloc_destroy(mem_ctx);
 208         mem_ctx = NULL;
 209         vfs->data = NULL;
 210         vfs->data_size = 0;
 211         return NT_STATUS_OK;
 212 }
 213
 214 static NTSTATUS cmd_quit(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 215 {
 216         /* Cleanup */
 217         talloc_destroy(mem_ctx);
 218
 219         exit(0);
 220         return NT_STATUS_OK; /* NOTREACHED */
 221 }
 222
 223 static struct cmd_set vfstest_commands[] = {
 224
 225         { "GENERAL OPTIONS" },
 226
 227         { "conf",       cmd_conf,       "Load smb configuration file", "conf <smb.conf>" },
 228         { "help",       cmd_help,       "Get help on commands", "" },
 229         { "?",          cmd_help,       "Get help on commands", "" },
 230         { "debuglevel", cmd_debuglevel, "Set debug level", "" },
 231         { "freemem",    cmd_freemem,    "Free currently allocated buffers", "" },
 232         { "exit",       cmd_quit,       "Exit program", "" },
 233         { "quit",       cmd_quit,       "Exit program", "" },
 234
 235         { NULL }
 236 };
 237
 238 static struct cmd_set separator_command[] = {
 239         { "---------------", NULL,      "----------------------" },
 240         { NULL }
 241 };
 242
 243
 244 extern struct cmd_set vfs_commands[];
 245 static struct cmd_set *vfstest_command_list[] = {
 246         vfstest_commands,
 247         vfs_commands,
 248         NULL
 249 };
 250
 251 static void add_command_set(struct cmd_set *cmd_set)
 252 {
 253         struct cmd_list *entry;
 254
 255         if (!(entry = SMB_MALLOC_P(struct cmd_list))) {
 256                 DEBUG(0, ("out of memory\n"));
 257                 return;
 258         }
 259
 260         ZERO_STRUCTP(entry);
 261
 262         entry->cmd_set = cmd_set;
 263         DLIST_ADD(cmd_list, entry);
 264 }
 265
 266 static NTSTATUS do_cmd(struct vfs_state *vfs, struct cmd_set *cmd_entry, char *cmd)
 267 {
 268         const char *p = cmd;
 269         char **argv = NULL;
 270         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 271         char *buf;
 272         TALLOC_CTX *mem_ctx = talloc_stackframe();
 273         int argc = 0, i;
 274
 275         /* Count number of arguments first time through the loop then
 276            allocate memory and strdup them. */
 277
 278  again:
 279         while(next_token_talloc(mem_ctx, &p, &buf, " ")) {
 280                 if (argv) {
 281                         argv[argc] = SMB_STRDUP(buf);
 282                 }
 283                 argc++;
 284         }
 285
 286         if (!argv) {
 287                 /* Create argument list */
 288
 289                 argv = SMB_MALLOC_ARRAY(char *, argc);
 290                 memset(argv, 0, sizeof(char *) * argc);
 291
 292                 if (!argv) {
 293                         fprintf(stderr, "out of memory\n");
 294                         result = NT_STATUS_NO_MEMORY;
 295                         goto done;
 296                 }
 297
 298                 p = cmd;
 299                 argc = 0;
 300
 301                 goto again;
 302         }
 303
 304         /* Call the function */
 305
 306         if (cmd_entry->fn) {
 307                 /* Run command */
 308                 result = cmd_entry->fn(vfs, mem_ctx, argc, (const char **)argv);
 309         } else {
 310                 fprintf (stderr, "Invalid command\n");
 311                 goto done;
 312         }
 313
 314  done:
 315
 316         /* Cleanup */
 317
 318         if (argv) {
 319                 for (i = 0; i < argc; i++)
 320                         SAFE_FREE(argv[i]);
 321
 322                 SAFE_FREE(argv);
 323         }
 324
 325         TALLOC_FREE(mem_ctx);
 326         return result;
 327 }
 328
 329 /* Process a command entered at the prompt or as part of -c */
 330 static NTSTATUS process_cmd(struct vfs_state *vfs, char *cmd)
 331 {
 332         struct cmd_list *temp_list;
 333         bool found = False;
 334         char *buf;
 335         const char *p = cmd;
 336         NTSTATUS result = NT_STATUS_OK;
 337         TALLOC_CTX *mem_ctx = talloc_stackframe();
 338         int len = 0;
 339
 340         if (cmd[strlen(cmd) - 1] == '\n')
 341                 cmd[strlen(cmd) - 1] = '\0';
 342
 343         if (!next_token_talloc(mem_ctx, &p, &buf, " ")) {
 344                 TALLOC_FREE(mem_ctx);
 345                 return NT_STATUS_OK;
 346         }
 347
 348         /* Strip the trailing \n if it exists */
 349         len = strlen(buf);
 350         if (buf[len-1] == '\n')
 351                 buf[len-1] = '\0';
 352
 353         /* Search for matching commands */
 354
 355         for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
 356                 struct cmd_set *temp_set = temp_list->cmd_set;
 357
 358                 while(temp_set->name) {
 359                         if (strequal(buf, temp_set->name)) {
 360                                 found = True;
 361                                 result = do_cmd(vfs, temp_set, cmd);
 362
 363                                 goto done;
 364                         }
 365                         temp_set++;
 366                 }
 367         }
 368
 369  done:
 370         if (!found && buf[0]) {
 371                 printf("command not found: %s\n", buf);
 372                 TALLOC_FREE(mem_ctx);
 373                 return NT_STATUS_OK;
 374         }
 375
 376         if (!NT_STATUS_IS_OK(result)) {
 377                 printf("result was %s\n", nt_errstr(result));
 378         }
 379
 380         TALLOC_FREE(mem_ctx);
 381         return result;
 382 }
 383
 384 static void process_file(struct vfs_state *pvfs, char *filename) {
 385         FILE *file;
 386         char command[3 * PATH_MAX];
 387
 388         if (*filename == '-') {
 389                 file = stdin;
 390         } else {
 391                 file = fopen(filename, "r");
 392                 if (file == NULL) {
 393                         printf("vfstest: error reading file (%s)!", filename);
 394                         printf("errno n.%d: %s", errno, strerror(errno));
 395                         exit(-1);
 396                 }
 397         }
 398
 399         while (fgets(command, 3 * PATH_MAX, file) != NULL) {
 400                 process_cmd(pvfs, command);
 401         }
 402
 403         if (file != stdin) {
 404                 fclose(file);
 405         }
 406 }
 407
 408 void exit_server(const char *reason)
 409 {
 410         DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
 411         exit(0);
 412 }
 413
 414 void exit_server_cleanly(const char *const reason)
 415 {
 416         exit_server("normal exit");
 417 }
 418
 419 struct smb_request *vfstest_get_smbreq(TALLOC_CTX *mem_ctx,
 420                                        struct vfs_state *vfs)
 421 {
 422         struct smb_request *result;
 423
 424         result = talloc_zero(mem_ctx, struct smb_request);
 425         if (result == NULL) {
 426                 return NULL;
 427         }
 428         result->sconn = vfs->conn->sconn;
 429         result->mid = ++vfs->mid;
 430
 431         result->inbuf = talloc_array(result, uint8_t, smb_size);
 432         if (result->inbuf == NULL) {
 433                 goto fail;
 434         }
 435         SSVAL(result->inbuf, smb_mid, result->mid);
 436         smb_setlen(result->inbuf, smb_size-4);
 437         return result;
 438 fail:
 439         TALLOC_FREE(result);
 440         return NULL;
 441 }
 442
 443 /* Main function */
 444
 445 int main(int argc, char *argv[])
 446 {
 447         char *cmdstr = NULL;
 448         struct cmd_set  **cmd_set;
 449         struct vfs_state vfs = { 0, };
 450         int i;
 451         char *filename = NULL;
 452         char cwd[MAXPATHLEN];
 453         TALLOC_CTX *frame = talloc_stackframe();
 454         struct tevent_context *ev = tevent_context_init(NULL);
 455         NTSTATUS status = NT_STATUS_OK;
 456
 457         /* make sure the vars that get altered (4th field) are in
 458            a fixed location or certain compilers complain */
 459         poptContext pc;
 460         struct poptOption long_options[] = {
 461                 POPT_AUTOHELP
 462                 {"file",        'f', POPT_ARG_STRING,   &filename, 0, },
 463                 {"command",     'c', POPT_ARG_STRING,   &cmdstr, 0, "Execute specified list of commands" },
 464                 POPT_COMMON_SAMBA
 465                 POPT_TABLEEND
 466         };
 467
 468         load_case_tables();
 469
 470         setlinebuf(stdout);
 471
 472         pc = poptGetContext("vfstest", argc, (const char **) argv,
 473                             long_options, 0);
 474
 475         while(poptGetNextOpt(pc) != -1);
 476
 477
 478         poptFreeContext(pc);
 479
 480         lp_load_initial_only(get_dyn_CONFIGFILE());
 481
 482         /* TODO: check output */
 483         reload_services(NULL, NULL, false);
 484
 485         /* the following functions are part of the Samba debugging
 486            facilities.  See lib/debug.c */
 487         setup_logging("vfstest", DEBUG_STDOUT);
 488
 489         /* Load command lists */
 490
 491         cmd_set = vfstest_command_list;
 492
 493         while(*cmd_set) {
 494                 add_command_set(*cmd_set);
 495                 add_command_set(separator_command);
 496                 cmd_set++;
 497         }
 498
 499         /* some basic initialization stuff */
 500         sec_init();
 501         init_guest_info();
 502         locking_init();
 503         serverid_parent_init(NULL);
 504         vfs.conn = talloc_zero(NULL, connection_struct);
 505         vfs.conn->share_access = FILE_GENERIC_ALL;
 506         vfs.conn->params = talloc_zero(vfs.conn, struct share_params);
 507         vfs.conn->sconn = talloc_zero(NULL, struct smbd_server_connection);
 508         vfs.conn->sconn->msg_ctx = messaging_init(vfs.conn->sconn, ev);
 509         vfs.conn->sconn->ev_ctx = ev;
 510         serverid_register(messaging_server_id(vfs.conn->sconn->msg_ctx), 0);
 511         make_session_info_guest(NULL, &vfs.conn->session_info);
 512         file_init(vfs.conn->sconn);
 513         set_conn_connectpath(vfs.conn, getcwd(cwd, sizeof(cwd)));
 514         for (i=0; i < 1024; i++)
 515                 vfs.files[i] = NULL;
 516
 517         /* some advanced initialization stuff */
 518         smbd_vfs_init(vfs.conn);
 519
 520         if (!posix_locking_init(false)) {
 521                 return 1;
 522         }
 523
 524         /* Do we have a file input? */
 525         if (filename && filename[0]) {
 526                 process_file(&vfs, filename);
 527                 return 0;
 528         }
 529
 530         /* Do anything specified with -c */
 531         if (cmdstr && cmdstr[0]) {
 532                 char    *cmd;
 533                 char    *p = cmdstr;
 534
 535                 while((cmd=next_command(frame, &p)) != NULL) {
 536                         status = process_cmd(&vfs, cmd);
 537                 }
 538
 539                 TALLOC_FREE(cmd);
 540                 return NT_STATUS_IS_OK(status) ? 0 : 1;
 541         }
 542
 543         /* Loop around accepting commands */
 544
 545         while(1) {
 546                 char *line = NULL;
 547
 548                 line = smb_readline("vfstest $> ", NULL, completion_fn);
 549
 550                 if (line == NULL) {
 551                         break;
 552                 }
 553
 554                 if (line[0] != '\n') {
 555                         status = process_cmd(&vfs, line);
 556                 }
 557                 SAFE_FREE(line);
 558         }
 559
 560         TALLOC_FREE(vfs.conn);
 561         TALLOC_FREE(frame);
 562         return NT_STATUS_IS_OK(status) ? 0 : 1;
 563 }