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 "popt_common.h"
  29 #include "vfstest.h"
  30 #include "../libcli/smbreadline/smbreadline.h"
  31
  32 /* List to hold groups of commands */
  33 static struct cmd_list {
  34         struct cmd_list *prev, *next;
  35         struct cmd_set *cmd_set;
  36 } *cmd_list;
  37
  38 /****************************************************************************
  39 handle completion of commands for readline
  40 ****************************************************************************/
  41 static char **completion_fn(const char *text, int start, int end)
  42 {
  43 #define MAX_COMPLETIONS 100
  44         char **matches;
  45         int i, count=0;
  46         struct cmd_list *commands = cmd_list;
  47
  48         if (start)
  49                 return NULL;
  50
  51         /* make sure we have a list of valid commands */
  52         if (!commands)
  53                 return NULL;
  54
  55         matches = SMB_MALLOC_ARRAY(char *, MAX_COMPLETIONS);
  56         if (!matches) return NULL;
  57
  58         matches[count++] = SMB_STRDUP(text);
  59         if (!matches[0]) return NULL;
  60
  61         while (commands && count < MAX_COMPLETIONS-1)
  62         {
  63                 if (!commands->cmd_set)
  64                         break;
  65
  66                 for (i=0; commands->cmd_set[i].name; i++)
  67                 {
  68                         if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
  69                                 commands->cmd_set[i].fn)
  70                         {
  71                                 matches[count] = SMB_STRDUP(commands->cmd_set[i].name);
  72                                 if (!matches[count])
  73                                         return NULL;
  74                                 count++;
  75                         }
  76                 }
  77
  78                 commands = commands->next;
  79
  80         }
  81
  82         if (count == 2) {
  83                 SAFE_FREE(matches[0]);
  84                 matches[0] = SMB_STRDUP(matches[1]);
  85         }
  86         matches[count] = NULL;
  87         return matches;
  88 }
  89
  90 static char *next_command(TALLOC_CTX *ctx, char **cmdstr)
  91 {
  92         char *command;
  93         char *p;
  94
  95         if (!cmdstr || !(*cmdstr))
  96                 return NULL;
  97
  98         p = strchr_m(*cmdstr, ';');
  99         if (p)
 100                 *p = '\0';
 101         command = talloc_strdup(ctx, *cmdstr);
 102         *cmdstr = p;
 103
 104         return command;
 105 }
 106
 107 /* Load specified configuration file */
 108 static NTSTATUS cmd_conf(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 109                         int argc, const char **argv)
 110 {
 111         if (argc != 2) {
 112                 printf("Usage: %s <smb.conf>\n", argv[0]);
 113                 return NT_STATUS_OK;
 114         }
 115
 116         if (!lp_load(argv[1], False, True, False, True)) {
 117                 printf("Error loading \"%s\"\n", argv[1]);
 118                 return NT_STATUS_OK;
 119         }
 120
 121         printf("\"%s\" successfully loaded\n", argv[1]);
 122         return NT_STATUS_OK;
 123 }
 124
 125 /* Display help on commands */
 126 static NTSTATUS cmd_help(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
 127                          int argc, const char **argv)
 128 {
 129         struct cmd_list *tmp;
 130         struct cmd_set *tmp_set;
 131
 132         /* Usage */
 133         if (argc > 2) {
 134                 printf("Usage: %s [command]\n", argv[0]);
 135                 return NT_STATUS_OK;
 136         }
 137
 138         /* Help on one command */
 139
 140         if (argc == 2) {
 141                 for (tmp = cmd_list; tmp; tmp = tmp->next) {
 142
 143                         tmp_set = tmp->cmd_set;
 144
 145                         while(tmp_set->name) {
 146                                 if (strequal(argv[1], tmp_set->name)) {
 147                                         if (tmp_set->usage &&
 148                                             tmp_set->usage[0])
 149                                                 printf("%s\n", tmp_set->usage);
 150                                         else
 151                                                 printf("No help for %s\n", tmp_set->name);
 152
 153                                         return NT_STATUS_OK;
 154                                 }
 155
 156                                 tmp_set++;
 157                         }
 158                 }
 159
 160                 printf("No such command: %s\n", argv[1]);
 161                 return NT_STATUS_OK;
 162         }
 163
 164         /* List all commands */
 165
 166         for (tmp = cmd_list; tmp; tmp = tmp->next) {
 167
 168                 tmp_set = tmp->cmd_set;
 169
 170                 while(tmp_set->name) {
 171
 172                         printf("%15s\t\t%s\n", tmp_set->name,
 173                                tmp_set->description ? tmp_set->description:
 174                                "");
 175
 176                         tmp_set++;
 177                 }
 178         }
 179
 180         return NT_STATUS_OK;
 181 }
 182
 183 /* Change the debug level */
 184 static NTSTATUS cmd_debuglevel(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 185 {
 186         if (argc > 2) {
 187                 printf("Usage: %s [debuglevel]\n", argv[0]);
 188                 return NT_STATUS_OK;
 189         }
 190
 191         if (argc == 2) {
 192                 lp_set_cmdline("log level", argv[1]);
 193         }
 194
 195         printf("debuglevel is %d\n", DEBUGLEVEL);
 196
 197         return NT_STATUS_OK;
 198 }
 199
 200 static NTSTATUS cmd_freemem(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 201 {
 202         /* Cleanup */
 203         talloc_destroy(mem_ctx);
 204         mem_ctx = NULL;
 205         vfs->data = NULL;
 206         vfs->data_size = 0;
 207         return NT_STATUS_OK;
 208 }
 209
 210 static NTSTATUS cmd_quit(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
 211 {
 212         /* Cleanup */
 213         talloc_destroy(mem_ctx);
 214
 215         exit(0);
 216         return NT_STATUS_OK; /* NOTREACHED */
 217 }
 218
 219 static struct cmd_set vfstest_commands[] = {
 220
 221         { "GENERAL OPTIONS" },
 222
 223         { "conf",       cmd_conf,       "Load smb configuration file", "conf <smb.conf>" },
 224         { "help",       cmd_help,       "Get help on commands", "" },
 225         { "?",          cmd_help,       "Get help on commands", "" },
 226         { "debuglevel", cmd_debuglevel, "Set debug level", "" },
 227         { "freemem",    cmd_freemem,    "Free currently allocated buffers", "" },
 228         { "exit",       cmd_quit,       "Exit program", "" },
 229         { "quit",       cmd_quit,       "Exit program", "" },
 230
 231         { NULL }
 232 };
 233
 234 static struct cmd_set separator_command[] = {
 235         { "---------------", NULL,      "----------------------" },
 236         { NULL }
 237 };
 238
 239
 240 extern struct cmd_set vfs_commands[];
 241 static struct cmd_set *vfstest_command_list[] = {
 242         vfstest_commands,
 243         vfs_commands,
 244         NULL
 245 };
 246
 247 static void add_command_set(struct cmd_set *cmd_set)
 248 {
 249         struct cmd_list *entry;
 250
 251         if (!(entry = SMB_MALLOC_P(struct cmd_list))) {
 252                 DEBUG(0, ("out of memory\n"));
 253                 return;
 254         }
 255
 256         ZERO_STRUCTP(entry);
 257
 258         entry->cmd_set = cmd_set;
 259         DLIST_ADD(cmd_list, entry);
 260 }
 261
 262 static NTSTATUS do_cmd(struct vfs_state *vfs, struct cmd_set *cmd_entry, char *cmd)
 263 {
 264         const char *p = cmd;
 265         char **argv = NULL;
 266         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
 267         char *buf;
 268         TALLOC_CTX *mem_ctx = talloc_stackframe();
 269         int argc = 0, i;
 270
 271         /* Count number of arguments first time through the loop then
 272            allocate memory and strdup them. */
 273
 274  again:
 275         while(next_token_talloc(mem_ctx, &p, &buf, " ")) {
 276                 if (argv) {
 277                         argv[argc] = SMB_STRDUP(buf);
 278                 }
 279                 argc++;
 280         }
 281
 282         if (!argv) {
 283                 /* Create argument list */
 284
 285                 argv = SMB_MALLOC_ARRAY(char *, argc);
 286                 memset(argv, 0, sizeof(char *) * argc);
 287
 288                 if (!argv) {
 289                         fprintf(stderr, "out of memory\n");
 290                         result = NT_STATUS_NO_MEMORY;
 291                         goto done;
 292                 }
 293
 294                 p = cmd;
 295                 argc = 0;
 296
 297                 goto again;
 298         }
 299
 300         /* Call the function */
 301
 302         if (cmd_entry->fn) {
 303                 /* Run command */
 304                 result = cmd_entry->fn(vfs, mem_ctx, argc, (const char **)argv);
 305         } else {
 306                 fprintf (stderr, "Invalid command\n");
 307                 goto done;
 308         }
 309
 310  done:
 311
 312         /* Cleanup */
 313
 314         if (argv) {
 315                 for (i = 0; i < argc; i++)
 316                         SAFE_FREE(argv[i]);
 317
 318                 SAFE_FREE(argv);
 319         }
 320
 321         TALLOC_FREE(mem_ctx);
 322         return result;
 323 }
 324
 325 /* Process a command entered at the prompt or as part of -c */
 326 static NTSTATUS process_cmd(struct vfs_state *vfs, char *cmd)
 327 {
 328         struct cmd_list *temp_list;
 329         bool found = False;
 330         char *buf;
 331         const char *p = cmd;
 332         NTSTATUS result = NT_STATUS_OK;
 333         TALLOC_CTX *mem_ctx = talloc_stackframe();
 334         int len = 0;
 335
 336         if (cmd[strlen(cmd) - 1] == '\n')
 337                 cmd[strlen(cmd) - 1] = '\0';
 338
 339         if (!next_token_talloc(mem_ctx, &p, &buf, " ")) {
 340                 TALLOC_FREE(mem_ctx);
 341                 return NT_STATUS_OK;
 342         }
 343
 344         /* Strip the trailing \n if it exists */
 345         len = strlen(buf);
 346         if (buf[len-1] == '\n')
 347                 buf[len-1] = '\0';
 348
 349         /* Search for matching commands */
 350
 351         for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
 352                 struct cmd_set *temp_set = temp_list->cmd_set;
 353
 354                 while(temp_set->name) {
 355                         if (strequal(buf, temp_set->name)) {
 356                                 found = True;
 357                                 result = do_cmd(vfs, temp_set, cmd);
 358
 359                                 goto done;
 360                         }
 361                         temp_set++;
 362                 }
 363         }
 364
 365  done:
 366         if (!found && buf[0]) {
 367                 printf("command not found: %s\n", buf);
 368                 TALLOC_FREE(mem_ctx);
 369                 return NT_STATUS_OK;
 370         }
 371
 372         if (!NT_STATUS_IS_OK(result)) {
 373                 printf("result was %s\n", nt_errstr(result));
 374         }
 375
 376         TALLOC_FREE(mem_ctx);
 377         return result;
 378 }
 379
 380 static void process_file(struct vfs_state *pvfs, char *filename) {
 381         FILE *file;
 382         char command[3 * PATH_MAX];
 383
 384         if (*filename == '-') {
 385                 file = stdin;
 386         } else {
 387                 file = fopen(filename, "r");
 388                 if (file == NULL) {
 389                         printf("vfstest: error reading file (%s)!", filename);
 390                         printf("errno n.%d: %s", errno, strerror(errno));
 391                         exit(-1);
 392                 }
 393         }
 394
 395         while (fgets(command, 3 * PATH_MAX, file) != NULL) {
 396                 process_cmd(pvfs, command);
 397         }
 398
 399         if (file != stdin) {
 400                 fclose(file);
 401         }
 402 }
 403
 404 void exit_server(const char *reason)
 405 {
 406         DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
 407         exit(0);
 408 }
 409
 410 void exit_server_cleanly(const char *const reason)
 411 {
 412         exit_server("normal exit");
 413 }
 414
 415 int last_message = -1;
 416
 417 struct event_context *smbd_event_context(void)
 418 {
 419         static struct event_context *ctx;
 420
 421         if (!ctx && !(ctx = event_context_init(NULL))) {
 422                 smb_panic("Could not init smbd event context\n");
 423         }
 424         return ctx;
 425 }
 426
 427 /* Main function */
 428
 429 int main(int argc, char *argv[])
 430 {
 431         static char             *cmdstr = NULL;
 432         struct cmd_set          **cmd_set;
 433         static struct vfs_state vfs;
 434         int i;
 435         static char             *filename = NULL;
 436         TALLOC_CTX *frame = talloc_stackframe();
 437
 438         /* make sure the vars that get altered (4th field) are in
 439            a fixed location or certain compilers complain */
 440         poptContext pc;
 441         struct poptOption long_options[] = {
 442                 POPT_AUTOHELP
 443                 {"file",        'f', POPT_ARG_STRING,   &filename, 0, },
 444                 {"command",     'c', POPT_ARG_STRING,   &cmdstr, 0, "Execute specified list of commands" },
 445                 POPT_COMMON_SAMBA
 446                 POPT_TABLEEND
 447         };
 448
 449         load_case_tables();
 450
 451         setlinebuf(stdout);
 452
 453         pc = poptGetContext("vfstest", argc, (const char **) argv,
 454                             long_options, 0);
 455
 456         while(poptGetNextOpt(pc) != -1);
 457
 458
 459         poptFreeContext(pc);
 460
 461         lp_load_initial_only(get_dyn_CONFIGFILE());
 462
 463         /* TODO: check output */
 464         reload_services(smbd_messaging_context(), -1, False);
 465
 466         /* the following functions are part of the Samba debugging
 467            facilities.  See lib/debug.c */
 468         setup_logging("vfstest", DEBUG_STDOUT);
 469
 470         /* Load command lists */
 471
 472         cmd_set = vfstest_command_list;
 473
 474         while(*cmd_set) {
 475                 add_command_set(*cmd_set);
 476                 add_command_set(separator_command);
 477                 cmd_set++;
 478         }
 479
 480         /* some basic initialization stuff */
 481         sec_init();
 482         vfs.conn = TALLOC_ZERO_P(NULL, connection_struct);
 483         vfs.conn->params = TALLOC_P(vfs.conn, struct share_params);
 484         for (i=0; i < 1024; i++)
 485                 vfs.files[i] = NULL;
 486
 487         /* some advanced initiliazation stuff */
 488         smbd_vfs_init(vfs.conn);
 489
 490         /* Do we have a file input? */
 491         if (filename && filename[0]) {
 492                 process_file(&vfs, filename);
 493                 return 0;
 494         }
 495
 496         /* Do anything specified with -c */
 497         if (cmdstr && cmdstr[0]) {
 498                 char    *cmd;
 499                 char    *p = cmdstr;
 500
 501                 while((cmd=next_command(frame, &p)) != NULL) {
 502                         process_cmd(&vfs, cmd);
 503                 }
 504
 505                 TALLOC_FREE(cmd);
 506                 return 0;
 507         }
 508
 509         /* Loop around accepting commands */
 510
 511         while(1) {
 512                 char *line = NULL;
 513
 514                 line = smb_readline("vfstest $> ", NULL, completion_fn);
 515
 516                 if (line == NULL) {
 517                         break;
 518                 }
 519
 520                 if (line[0] != '\n') {
 521                         process_cmd(&vfs, line);
 522                 }
 523                 SAFE_FREE(line);
 524         }
 525
 526         TALLOC_FREE(vfs.conn);
 527         TALLOC_FREE(frame);
 528         return 0;
 529 }