source3/rpcclient/rpcclient.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.2
   4    RPC pipe client
   5
   6    Copyright (C) Tim Potter 2000-2001
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24
  25 extern pstring debugf;
  26
  27 DOM_SID domain_sid;
  28
  29 /* List to hold groups of commands */
  30
  31 static struct cmd_list {
  32         struct cmd_list *prev, *next;
  33         struct cmd_set *cmd_set;
  34 } *cmd_list;
  35
  36 /****************************************************************************
  37 handle completion of commands for readline
  38 ****************************************************************************/
  39 static char **completion_fn(char *text, int start, int end)
  40 {
  41 #define MAX_COMPLETIONS 100
  42         char **matches;
  43         int i, count=0;
  44         struct cmd_list *commands = cmd_list;
  45
  46 #if 0   /* JERRY */
  47         /* FIXME!!!  -- what to do when completing argument? */
  48         /* for words not at the start of the line fallback
  49            to filename completion */
  50         if (start)
  51                 return NULL;
  52 #endif
  53
  54         /* make sure we have a list of valid commands */
  55         if (!commands)
  56                 return NULL;
  57
  58         matches = (char **)malloc(sizeof(matches[0])*MAX_COMPLETIONS);
  59         if (!matches) return NULL;
  60
  61         matches[count++] = strdup(text);
  62         if (!matches[0]) return NULL;
  63
  64         while (commands && count < MAX_COMPLETIONS-1)
  65         {
  66                 if (!commands->cmd_set)
  67                         break;
  68
  69                 for (i=0; commands->cmd_set[i].name; i++)
  70                 {
  71                         if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
  72                                 commands->cmd_set[i].fn)
  73                         {
  74                                 matches[count] = strdup(commands->cmd_set[i].name);
  75                                 if (!matches[count])
  76                                         return NULL;
  77                                 count++;
  78                         }
  79                 }
  80
  81                 commands = commands->next;
  82
  83         }
  84
  85         if (count == 2) {
  86                 SAFE_FREE(matches[0]);
  87                 matches[0] = strdup(matches[1]);
  88         }
  89         matches[count] = NULL;
  90         return matches;
  91 }
  92
  93 /***********************************************************************
  94  * read in username/password credentials from a file
  95  */
  96 static void read_authfile (
  97         char *filename,
  98         char* username,
  99         char* password,
 100         char* domain
 101 )
 102 {
 103         FILE *auth;
 104         fstring buf;
 105         uint16 len = 0;
 106         char *ptr, *val, *param;
 107
 108         if ((auth=sys_fopen(filename, "r")) == NULL)
 109         {
 110                 printf ("ERROR: Unable to open credentials file!\n");
 111                 return;
 112         }
 113
 114         while (!feof(auth))
 115         {
 116                 /* get a line from the file */
 117                 if (!fgets (buf, sizeof(buf), auth))
 118                         continue;
 119
 120                 len = strlen(buf);
 121
 122                 /* skip empty lines */
 123                 if ((len) && (buf[len-1]=='\n'))
 124                 {
 125                         buf[len-1] = '\0';
 126                         len--;
 127                 }
 128                 if (len == 0)
 129                         continue;
 130
 131                 /* break up the line into parameter & value.
 132                    will need to eat a little whitespace possibly */
 133                 param = buf;
 134                 if (!(ptr = strchr_m(buf, '=')))
 135                         continue;
 136                 val = ptr+1;
 137                 *ptr = '\0';
 138
 139                 /* eat leading white space */
 140                 while ((*val!='\0') && ((*val==' ') || (*val=='\t')))
 141                         val++;
 142
 143                 if (strwicmp("password", param) == 0)
 144                         fstrcpy (password, val);
 145                 else if (strwicmp("username", param) == 0)
 146                         fstrcpy (username, val);
 147                 else if (strwicmp("domain", param) == 0)
 148                         fstrcpy (domain, val);
 149
 150                 memset(buf, 0, sizeof(buf));
 151         }
 152         fclose(auth);
 153
 154         return;
 155 }
 156
 157 static char* next_command (char** cmdstr)
 158 {
 159         static pstring          command;
 160         char                    *p;
 161
 162         if (!cmdstr || !(*cmdstr))
 163                 return NULL;
 164
 165         p = strchr_m(*cmdstr, ';');
 166         if (p)
 167                 *p = '\0';
 168         pstrcpy(command, *cmdstr);
 169         *cmdstr = p;
 170
 171         return command;
 172 }
 173
 174 static void get_username (char *username)
 175 {
 176         if (getenv("USER"))
 177                 pstrcpy(username,getenv("USER"));
 178
 179         if (*username == 0 && getenv("LOGNAME"))
 180                 pstrcpy(username,getenv("LOGNAME"));
 181
 182         if (*username == 0) {
 183                 pstrcpy(username,"GUEST");
 184         }
 185
 186         return;
 187 }
 188
 189 /* Fetch the SID for this domain */
 190
 191 void fetch_domain_sid(struct cli_state *cli)
 192 {
 193         POLICY_HND pol;
 194         NTSTATUS result = NT_STATUS_OK;
 195         uint32 info_class = 5;
 196         fstring domain_name;
 197         static BOOL got_domain_sid;
 198         TALLOC_CTX *mem_ctx;
 199
 200         if (got_domain_sid) return;
 201
 202         if (!(mem_ctx=talloc_init()))
 203         {
 204                 DEBUG(0,("fetch_domain_sid: talloc_init returned NULL!\n"));
 205                 goto error;
 206         }
 207
 208
 209         if (!cli_nt_session_open (cli, PIPE_LSARPC)) {
 210                 fprintf(stderr, "could not initialise lsa pipe\n");
 211                 goto error;
 212         }
 213
 214         result = cli_lsa_open_policy(cli, mem_ctx, True,
 215                                      SEC_RIGHTS_MAXIMUM_ALLOWED,
 216                                      &pol);
 217         if (!NT_STATUS_IS_OK(result)) {
 218                 goto error;
 219         }
 220
 221         result = cli_lsa_query_info_policy(cli, mem_ctx, &pol, info_class,
 222                                            domain_name, &domain_sid);
 223         if (!NT_STATUS_IS_OK(result)) {
 224                 goto error;
 225         }
 226
 227         got_domain_sid = True;
 228
 229         cli_lsa_close(cli, mem_ctx, &pol);
 230         cli_nt_session_close(cli);
 231         talloc_destroy(mem_ctx);
 232
 233         return;
 234
 235  error:
 236         fprintf(stderr, "could not obtain sid for domain %s\n", cli->domain);
 237
 238         if (!NT_STATUS_IS_OK(result)) {
 239                 fprintf(stderr, "error: %s\n", get_nt_error_msg(result));
 240         }
 241
 242         exit(1);
 243 }
 244
 245 /* Initialise client credentials for authenticated pipe access */
 246
 247 void init_rpcclient_creds(struct ntuser_creds *creds, char* username,
 248                           char* domain, char* password)
 249 {
 250         ZERO_STRUCTP(creds);
 251
 252         if (lp_encrypted_passwords()) {
 253                 pwd_make_lm_nt_16(&creds->pwd, password);
 254         } else {
 255                 pwd_set_cleartext(&creds->pwd, password);
 256         }
 257
 258         fstrcpy(creds->user_name, username);
 259         fstrcpy(creds->domain, domain);
 260
 261         if (! *username) {
 262                 creds->pwd.null_pwd = True;
 263         }
 264 }
 265
 266
 267 /* Display help on commands */
 268
 269 static NTSTATUS cmd_help(struct cli_state *cli, int argc, char **argv)
 270 {
 271         struct cmd_list *tmp;
 272         struct cmd_set *tmp_set;
 273
 274         /* Usage */
 275
 276         if (argc > 2) {
 277                 printf("Usage: %s [command]\n", argv[0]);
 278                 return NT_STATUS_OK;
 279         }
 280
 281         /* Help on one command */
 282
 283         if (argc == 2) {
 284                 for (tmp = cmd_list; tmp; tmp = tmp->next) {
 285
 286                         tmp_set = tmp->cmd_set;
 287
 288                         while(tmp_set->name) {
 289                                 if (strequal(argv[1], tmp_set->name)) {
 290                                         if (tmp_set->usage &&
 291                                             tmp_set->usage[0])
 292                                                 printf("%s\n", tmp_set->usage);
 293                                         else
 294                                                 printf("No help for %s\n", tmp_set->name);
 295
 296                                         return NT_STATUS_OK;
 297                                 }
 298
 299                                 tmp_set++;
 300                         }
 301                 }
 302
 303                 printf("No such command: %s\n", argv[1]);
 304                 return NT_STATUS_OK;
 305         }
 306
 307         /* List all commands */
 308
 309         for (tmp = cmd_list; tmp; tmp = tmp->next) {
 310
 311                 tmp_set = tmp->cmd_set;
 312
 313                 while(tmp_set->name) {
 314
 315                         printf("%15s\t\t%s\n", tmp_set->name,
 316                                tmp_set->description);
 317
 318                         tmp_set++;
 319                 }
 320         }
 321
 322         return NT_STATUS_OK;
 323 }
 324
 325 /* Change the debug level */
 326
 327 static NTSTATUS cmd_debuglevel(struct cli_state *cli, int argc, char **argv)
 328 {
 329         if (argc > 2) {
 330                 printf("Usage: %s [debuglevel]\n", argv[0]);
 331                 return NT_STATUS_OK;
 332         }
 333
 334         if (argc == 2) {
 335                 DEBUGLEVEL = atoi(argv[1]);
 336         }
 337
 338         printf("debuglevel is %d\n", DEBUGLEVEL);
 339
 340         return NT_STATUS_OK;
 341 }
 342
 343 static NTSTATUS cmd_quit(struct cli_state *cli, int argc, char **argv)
 344 {
 345         exit(0);
 346         return NT_STATUS_OK; /* NOTREACHED */
 347 }
 348
 349 /* Build in rpcclient commands */
 350
 351 static struct cmd_set rpcclient_commands[] = {
 352
 353         { "GENERAL OPTIONS" },
 354
 355         { "help",       cmd_help,       "Get help on commands", "[command]" },
 356         { "?",          cmd_help,       "Get help on commands", "[command]" },
 357         { "debuglevel", cmd_debuglevel, "Set debug level", "level" },
 358         { "exit",       cmd_quit,       "Exit program", "" },
 359         { "quit",       cmd_quit,       "Exit program", "" },
 360
 361         { NULL }
 362 };
 363
 364 static struct cmd_set separator_command[] = {
 365         { "---------------", NULL,      "----------------------" },
 366         { NULL }
 367 };
 368
 369
 370 /* Various pipe commands */
 371
 372 extern struct cmd_set lsarpc_commands[];
 373 extern struct cmd_set samr_commands[];
 374 extern struct cmd_set spoolss_commands[];
 375 extern struct cmd_set netlogon_commands[];
 376 extern struct cmd_set srvsvc_commands[];
 377 extern struct cmd_set dfs_commands[];
 378 extern struct cmd_set reg_commands[];
 379
 380 static struct cmd_set *rpcclient_command_list[] = {
 381         rpcclient_commands,
 382         lsarpc_commands,
 383         samr_commands,
 384         spoolss_commands,
 385         netlogon_commands,
 386         srvsvc_commands,
 387         dfs_commands,
 388         reg_commands,
 389         NULL
 390 };
 391
 392 void add_command_set(struct cmd_set *cmd_set)
 393 {
 394         struct cmd_list *entry;
 395
 396         if (!(entry = (struct cmd_list *)malloc(sizeof(struct cmd_list)))) {
 397                 DEBUG(0, ("out of memory\n"));
 398                 return;
 399         }
 400
 401         ZERO_STRUCTP(entry);
 402
 403         entry->cmd_set = cmd_set;
 404         DLIST_ADD(cmd_list, entry);
 405 }
 406
 407 static NTSTATUS do_cmd(struct cli_state *cli, struct cmd_set *cmd_entry, char *cmd)
 408 {
 409         char *p = cmd, **argv = NULL;
 410         NTSTATUS result;
 411         pstring buf;
 412         int argc = 0, i;
 413
 414         /* Count number of arguments first time through the loop then
 415            allocate memory and strdup them. */
 416
 417  again:
 418         while(next_token(&p, buf, " ", sizeof(buf))) {
 419                 if (argv) {
 420                         argv[argc] = strdup(buf);
 421                 }
 422
 423                 argc++;
 424         }
 425
 426         if (!argv) {
 427
 428                 /* Create argument list */
 429
 430                 argv = (char **)malloc(sizeof(char *) * argc);
 431
 432                 if (!argv) {
 433                         fprintf(stderr, "out of memory\n");
 434                         return NT_STATUS_NO_MEMORY;
 435                 }
 436
 437                 p = cmd;
 438                 argc = 0;
 439
 440                 goto again;
 441         }
 442
 443         /* Call the function */
 444         if (cmd_entry->fn) {
 445                 result = cmd_entry->fn(cli, argc, argv);
 446         }
 447         else {
 448                 fprintf (stderr, "Invalid command\n");
 449                 result = NT_STATUS_INVALID_PARAMETER;
 450         }
 451
 452
 453         /* Cleanup */
 454         for (i = 0; i < argc; i++) {
 455                 SAFE_FREE(argv[i]);
 456         }
 457
 458         SAFE_FREE(argv);
 459
 460         return result;
 461 }
 462
 463 /* Process a command entered at the prompt or as part of -c */
 464
 465 static NTSTATUS process_cmd(struct cli_state *cli, char *cmd)
 466 {
 467         struct cmd_list *temp_list;
 468         BOOL found = False;
 469         pstring buf;
 470         char *p = cmd;
 471         NTSTATUS result = NT_STATUS_OK;
 472         int len = 0;
 473
 474         if (cmd[strlen(cmd) - 1] == '\n')
 475                 cmd[strlen(cmd) - 1] = '\0';
 476
 477         if (!next_token(&p, buf, " ", sizeof(buf))) {
 478                 return NT_STATUS_OK;
 479         }
 480
 481         /* strip the trainly \n if it exsists */
 482         len = strlen(buf);
 483         if (buf[len-1] == '\n')
 484                 buf[len-1] = '\0';
 485
 486         /* Search for matching commands */
 487
 488         for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
 489                 struct cmd_set *temp_set = temp_list->cmd_set;
 490
 491                 while(temp_set->name) {
 492                         if (strequal(buf, temp_set->name)) {
 493                                 found = True;
 494                                 result = do_cmd(cli, temp_set, cmd);
 495                                 goto done;
 496                         }
 497                         temp_set++;
 498                 }
 499         }
 500
 501  done:
 502         if (!found && buf[0]) {
 503                 printf("command not found: %s\n", buf);
 504                 return NT_STATUS_OK;
 505         }
 506
 507         if (!NT_STATUS_IS_OK(result)) {
 508                 printf("result was %s\n", get_nt_error_msg(result));
 509         }
 510
 511         return result;
 512 }
 513
 514 /************************************************************************/
 515 struct cli_state *setup_connection(struct cli_state *cli, char *system_name,
 516                                    struct ntuser_creds *creds)
 517 {
 518         struct in_addr dest_ip;
 519         struct nmb_name calling, called;
 520         fstring dest_host;
 521         extern pstring global_myname;
 522         struct ntuser_creds anon;
 523
 524         /* Initialise cli_state information */
 525         if (!cli_initialise(cli)) {
 526                 return NULL;
 527         }
 528
 529         if (!creds) {
 530                 ZERO_STRUCT(anon);
 531                 anon.pwd.null_pwd = 1;
 532                 creds = &anon;
 533         }
 534
 535         cli_init_creds(cli, creds);
 536
 537         /* Establish a SMB connection */
 538         if (!resolve_srv_name(system_name, dest_host, &dest_ip)) {
 539                 return NULL;
 540         }
 541
 542         make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
 543         make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);
 544
 545         if (!cli_establish_connection(cli, dest_host, &dest_ip, &calling,
 546                                       &called, "IPC$", "IPC", False, True)) {
 547                 return NULL;
 548         }
 549
 550         return cli;
 551 }
 552
 553
 554 /* Print usage information */
 555 static void usage(void)
 556 {
 557         printf("Usage: rpcclient server [options]\n");
 558
 559         printf("\t-A authfile           file containing user credentials\n");
 560         printf("\t-c \"command string\"   execute semicolon separated cmds\n");
 561         printf("\t-d debuglevel         set the debuglevel\n");
 562         printf("\t-l logfile            name of logfile to use as opposed to stdout\n");
 563         printf("\t-h                    Print this help message.\n");
 564         printf("\t-N                    don't ask for a password\n");
 565         printf("\t-s configfile         specify an alternative config file\n");
 566         printf("\t-U username           set the network username\n");
 567         printf("\t-W domain             set the domain name for user account\n");
 568         printf("\n");
 569 }
 570
 571 /* Main function */
 572
 573  int main(int argc, char *argv[])
 574 {
 575         extern char             *optarg;
 576         extern int              optind;
 577         extern pstring          global_myname;
 578         BOOL                    got_pass = False;
 579         BOOL                    interactive = True;
 580         int                     opt;
 581         int                     olddebug;
 582         pstring                 cmdstr = "",
 583                                 servicesf = CONFIGFILE;
 584         struct ntuser_creds     creds;
 585         struct cli_state        cli;
 586         fstring                 password,
 587                                 username,
 588                                 domain,
 589                                 server;
 590         struct cmd_set **cmd_set;
 591
 592         setlinebuf(stdout);
 593
 594         DEBUGLEVEL = 1;
 595
 596         while ((opt = getopt(argc, argv, "A:s:Nd:U:W:c:l:h")) != EOF) {
 597                 switch (opt) {
 598                 case 'A':
 599                         /* only get the username, password, and domain from the file */
 600                         read_authfile (optarg, username, password, domain);
 601                         if (strlen (password))
 602                                 got_pass = True;
 603                         break;
 604
 605                 case 'c':
 606                         pstrcpy(cmdstr, optarg);
 607                         break;
 608
 609                 case 'd':
 610                         DEBUGLEVEL = atoi(optarg);
 611                         break;
 612
 613                 case 'l':
 614                         slprintf(debugf, sizeof(debugf) - 1, "%s.client", optarg);
 615                         interactive = False;
 616                         break;
 617
 618                 case 'N':
 619                         got_pass = True;
 620                         break;
 621
 622                 case 's':
 623                         pstrcpy(servicesf, optarg);
 624                         break;
 625
 626                 case 'U': {
 627                         char *lp;
 628                         pstrcpy(username,optarg);
 629                         if ((lp=strchr_m(username,'%'))) {
 630                                 *lp = 0;
 631                                 pstrcpy(password,lp+1);
 632                                 got_pass = True;
 633                                 memset(strchr_m(optarg,'%')+1,'X',strlen(password));
 634                         }
 635                         break;
 636                 }
 637
 638                 case 'W':
 639                         pstrcpy(domain, optarg);
 640                         break;
 641
 642                 case 'h':
 643                 default:
 644                         usage();
 645                         exit(1);
 646                 }
 647         }
 648
 649         argv += optind;
 650         argc -= optind;
 651
 652         /* Parse options */
 653         if (argc == 0) {
 654                 usage();
 655                 return 0;
 656         }
 657
 658         if (strncmp("//", argv[0], 2) == 0 ||
 659             strncmp("\\\\", argv[0], 2) == 0)
 660                 argv[0] += 2;
 661
 662         pstrcpy(server, argv[0]);
 663
 664         /* the following functions are part of the Samba debugging
 665            facilities.  See lib/debug.c */
 666         setup_logging("rpcclient", interactive);
 667         if (!interactive)
 668                 reopen_logs();
 669
 670         /* Load smb.conf file */
 671         /* FIXME!  How to get this DEBUGLEVEL to last over lp_load()? */
 672         olddebug = DEBUGLEVEL;
 673         if (!lp_load(servicesf,True,False,False)) {
 674                 fprintf(stderr, "Can't load %s\n", servicesf);
 675         }
 676         DEBUGLEVEL = olddebug;
 677
 678         load_interfaces();
 679
 680         TimeInit();
 681
 682         get_myname((*global_myname)?NULL:global_myname);
 683         strupper(global_myname);
 684
 685         /*
 686          * initialize the credentials struct.  Get password
 687          * from stdin if necessary
 688          */
 689         if (!strlen(username) && !got_pass)
 690                 get_username(username);
 691
 692         if (!got_pass) {
 693                 init_rpcclient_creds (&creds, username, domain, "");
 694                 pwd_read(&creds.pwd, "Enter Password: ", lp_encrypted_passwords());
 695         }
 696         else {
 697                 init_rpcclient_creds (&creds, username, domain, password);
 698         }
 699         memset(password,'X',strlen(password));
 700
 701         /* open a connection to the specified server */
 702         ZERO_STRUCTP (&cli);
 703         if (!setup_connection (&cli, server, &creds)) {
 704                 return 1;
 705         }
 706
 707         /* There are no pointers in ntuser_creds struct so zero it out */
 708
 709         ZERO_STRUCTP (&creds);
 710
 711         /* Load command lists */
 712
 713         cmd_set = rpcclient_command_list;
 714
 715         while(*cmd_set) {
 716                 add_command_set(*cmd_set);
 717                 add_command_set(separator_command);
 718                 cmd_set++;
 719         }
 720
 721         /* Do anything specified with -c */
 722         if (cmdstr[0]) {
 723                 char    *cmd;
 724                 char    *p = cmdstr;
 725
 726                 while((cmd=next_command(&p)) != NULL) {
 727                         process_cmd(&cli, cmd);
 728                 }
 729
 730                 return 0;
 731         }
 732
 733         /* Loop around accepting commands */
 734
 735         while(1) {
 736                 pstring prompt;
 737                 char *line;
 738
 739                 slprintf(prompt, sizeof(prompt) - 1, "rpcclient $> ");
 740
 741                 line = smb_readline(prompt, NULL, completion_fn);
 742
 743                 if (line == NULL)
 744                         break;
 745
 746                 if (line[0] != '\n')
 747                         process_cmd(&cli, line);
 748         }
 749
 750         return 0;
 751 }