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