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