source/rpcclient/rpcclient.c

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