source/rpcclient/rpcclient.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    SMB client
   5    Copyright (C) Andrew Tridgell 1994-1998
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #ifdef SYSLOG
  23 #undef SYSLOG
  24 #endif
  25
  26 #include "includes.h"
  27
  28 #ifndef REGISTER
  29 #define REGISTER 0
  30 #endif
  31
  32 extern pstring scope;
  33 extern pstring global_myname;
  34
  35 extern pstring user_socket_options;
  36
  37
  38 extern pstring debugf;
  39 extern int DEBUGLEVEL;
  40
  41
  42 extern file_info def_finfo;
  43
  44 #define CNV_LANG(s) dos2unix_format(s,False)
  45 #define CNV_INPUT(s) unix2dos_format(s,True)
  46
  47 static int process_tok(fstring tok);
  48 static void cmd_help(struct client_info *info);
  49 static void cmd_quit(struct client_info *info);
  50
  51 static struct cli_state smbcli;
  52 struct cli_state *smb_cli = &smbcli;
  53
  54 FILE *out_hnd;
  55
  56 /****************************************************************************
  57 initialise smb client structure
  58 ****************************************************************************/
  59 void rpcclient_init(void)
  60 {
  61         bzero(smb_cli, sizeof(smb_cli));
  62         cli_initialise(smb_cli);
  63         smb_cli->capabilities |= CAP_NT_SMBS;
  64 }
  65
  66 /****************************************************************************
  67 make smb client connection
  68 ****************************************************************************/
  69 static BOOL rpcclient_connect(struct client_info *info)
  70 {
  71         struct nmb_name calling;
  72         struct nmb_name called;
  73
  74         make_nmb_name(&called , dns_to_netbios_name(info->dest_host ), info->name_type, scope);
  75         make_nmb_name(&calling, dns_to_netbios_name(info->myhostname), 0x0            , scope);
  76
  77         if (!cli_establish_connection(smb_cli,
  78                                   info->dest_host, &info->dest_ip,
  79                                   &calling, &called,
  80                                   info->share, info->svc_type,
  81                                   False, True))
  82         {
  83                 DEBUG(0,("rpcclient_connect: connection failed\n"));
  84                 cli_shutdown(smb_cli);
  85                 return False;
  86         }
  87
  88         return True;
  89 }
  90
  91 /****************************************************************************
  92 stop the smb connection(s?)
  93 ****************************************************************************/
  94 static void rpcclient_stop(void)
  95 {
  96         cli_shutdown(smb_cli);
  97 }
  98 /****************************************************************************
  99  This defines the commands supported by this client
 100  ****************************************************************************/
 101 struct
 102 {
 103   char *name;
 104   void (*fn)(struct client_info*);
 105   char *description;
 106 } commands[] =
 107 {
 108 #if 0
 109   {"ntlogin",    cmd_netlogon_login_test, "<username> NT Domain login test"},
 110 #endif
 111   {"wksinfo",    cmd_wks_query_info,   "DCE/RPC - Workstation Query Info"},
 112   {"srvinfo",    cmd_srv_query_info,   "DCE/RPC - Server Query Info"},
 113   {"srvsessions",cmd_srv_enum_sess,    "DCE/RPC - List sessions on a server"},
 114   {"srvshares",  cmd_srv_enum_shares,  "DCE/RPC - List shares on a server"},
 115   {"srvconnections",cmd_srv_enum_conn, "DCE/RPC - List connections on a server"},
 116   {"srvfiles",   cmd_srv_enum_files,   "DCE/RPC - List files on a server"},
 117   {"lsaquery",   cmd_lsa_query_info,   "Query Info Policy (domain member or server)"},
 118   {"lookupsids", cmd_lsa_lookup_sids,  "Resolve names from SIDs"},
 119   {"enumusers",  cmd_sam_enum_users,   "SAM User Database Query (experimental!)"},
 120   {"samuser",    cmd_sam_query_user,   "<username> SAM User Query (experimental!)"},
 121   {"samtest",    cmd_sam_test      ,   "SAM User Encrypted RPC test (experimental!)"},
 122   {"enumaliases",cmd_sam_enum_aliases, "SAM Aliases Database Query (experimental!)"},
 123 #if 0
 124   {"enumgroups", cmd_sam_enum_groups,  "SAM Group Database Query (experimental!)"},
 125 #endif
 126   {"samgroups",  cmd_sam_query_groups, "SAM Group Database Query (experimental!)"},
 127   {"quit",       cmd_quit,        "logoff the server"},
 128   {"q",          cmd_quit,        "logoff the server"},
 129   {"exit",       cmd_quit,        "logoff the server"},
 130   {"bye",        cmd_quit,        "logoff the server"},
 131   {"help",       cmd_help,        "[command] give help on a command"},
 132   {"?",          cmd_help,        "[command] give help on a command"},
 133   {"!",          NULL,            "run a shell command on the local system"},
 134   {"",           NULL,            NULL}
 135 };
 136
 137
 138 /****************************************************************************
 139 do a (presumably graceful) quit...
 140 ****************************************************************************/
 141 static void cmd_quit(struct client_info *info)
 142 {
 143         rpcclient_stop();
 144 #ifdef MEM_MAN
 145         {
 146                 extern FILE* dbf;
 147                 smb_mem_write_status(dbf);
 148                 smb_mem_write_errors(dbf);
 149                 smb_mem_write_verbose(dbf);
 150         }
 151 #endif
 152         exit(0);
 153 }
 154
 155 /****************************************************************************
 156 help
 157 ****************************************************************************/
 158 static void cmd_help(struct client_info *info)
 159 {
 160   int i=0,j;
 161   fstring buf;
 162
 163   if (next_token(NULL,buf,NULL, sizeof(buf)))
 164     {
 165       if ((i = process_tok(buf)) >= 0)
 166         fprintf(out_hnd, "HELP %s:\n\t%s\n\n",commands[i].name,commands[i].description);
 167     }
 168   else
 169     while (commands[i].description)
 170       {
 171         for (j=0; commands[i].description && (j<5); j++) {
 172           fprintf(out_hnd, "%-15s",commands[i].name);
 173           i++;
 174         }
 175         fprintf(out_hnd, "\n");
 176       }
 177 }
 178
 179 /*******************************************************************
 180   lookup a command string in the list of commands, including
 181   abbreviations
 182   ******************************************************************/
 183 static int process_tok(fstring tok)
 184 {
 185   int i = 0, matches = 0;
 186   int cmd=0;
 187   int tok_len = strlen(tok);
 188
 189   while (commands[i].fn != NULL)
 190     {
 191       if (strequal(commands[i].name,tok))
 192         {
 193           matches = 1;
 194           cmd = i;
 195           break;
 196         }
 197       else if (strnequal(commands[i].name, tok, tok_len))
 198         {
 199           matches++;
 200           cmd = i;
 201         }
 202       i++;
 203     }
 204
 205   if (matches == 0)
 206     return(-1);
 207   else if (matches == 1)
 208     return(cmd);
 209   else
 210     return(-2);
 211 }
 212
 213 /****************************************************************************
 214 wait for keyboard activity, swallowing network packets
 215 ****************************************************************************/
 216 static void wait_keyboard(struct cli_state *cli)
 217 {
 218   fd_set fds;
 219   struct timeval timeout;
 220
 221   while (1)
 222     {
 223       FD_ZERO(&fds);
 224       FD_SET(cli->fd,&fds);
 225       FD_SET(fileno(stdin),&fds);
 226
 227       timeout.tv_sec = 20;
 228       timeout.tv_usec = 0;
 229       sys_select(MAX(cli->fd,fileno(stdin))+1,&fds,&timeout);
 230
 231       if (FD_ISSET(fileno(stdin),&fds))
 232         return;
 233
 234       /* We deliberately use receive_smb instead of
 235          client_receive_smb as we want to receive
 236          session keepalives and then drop them here.
 237        */
 238       if (FD_ISSET(cli->fd,&fds))
 239         receive_smb(cli->fd,cli->inbuf,0);
 240     }
 241 }
 242
 243 /****************************************************************************
 244   process commands from the client
 245 ****************************************************************************/
 246 static void do_command(struct client_info *info, char *tok, char *line)
 247 {
 248         int i;
 249
 250         if ((i = process_tok(tok)) >= 0)
 251         {
 252                 commands[i].fn(info);
 253         }
 254         else if (i == -2)
 255         {
 256                 fprintf(out_hnd, "%s: command abbreviation ambiguous\n", CNV_LANG(tok));
 257         }
 258         else
 259         {
 260                 fprintf(out_hnd, "%s: command not found\n", CNV_LANG(tok));
 261         }
 262 }
 263
 264 /****************************************************************************
 265   process commands from the client
 266 ****************************************************************************/
 267 static BOOL process( struct client_info *info, char *cmd_str)
 268 {
 269         pstring line;
 270         char *cmd = cmd_str;
 271
 272         if (cmd[0] != '\0') while (cmd[0] != '\0')
 273         {
 274                 char *p;
 275                 fstring tok;
 276
 277                 if ((p = strchr(cmd, ';')) == 0)
 278                 {
 279                         strncpy(line, cmd, 999);
 280                         line[1000] = '\0';
 281                         cmd += strlen(cmd);
 282                 }
 283                 else
 284                 {
 285                         if (p - cmd > 999) p = cmd + 999;
 286                         strncpy(line, cmd, p - cmd);
 287                         line[p - cmd] = '\0';
 288                         cmd = p + 1;
 289                 }
 290
 291                 /* input language code to internal one */
 292                 CNV_INPUT (line);
 293
 294                 /* get the first part of the command */
 295                 {
 296                         char *ptr = line;
 297                         if (!next_token(&ptr,tok,NULL, sizeof(tok))) continue;
 298                 }
 299
 300                 do_command(info, tok, line);
 301         }
 302         else while (!feof(stdin))
 303         {
 304                 fstring tok;
 305
 306                 /* display a prompt */
 307                 fprintf(out_hnd, "smb: %s> ", CNV_LANG(info->cur_dir));
 308                 fflush(out_hnd);
 309
 310 #ifdef CLIX
 311                 line[0] = wait_keyboard(smb_cli);
 312                 /* this might not be such a good idea... */
 313                 if ( line[0] == EOF)
 314                 {
 315                         break;
 316                 }
 317 #else
 318                 wait_keyboard(smb_cli);
 319 #endif
 320
 321                 /* and get a response */
 322 #ifdef CLIX
 323                 fgets( &line[1],999, stdin);
 324 #else
 325                 if (!fgets(line,1000,stdin))
 326                 {
 327                         break;
 328                 }
 329 #endif
 330
 331                 /* input language code to internal one */
 332                 CNV_INPUT (line);
 333
 334                 /* special case - first char is ! */
 335                 if (*line == '!')
 336                 {
 337                         system(line + 1);
 338                         continue;
 339                 }
 340
 341                 fprintf(out_hnd, "%s\n", line);
 342
 343                 /* get the first part of the command */
 344                 {
 345                         char *ptr = line;
 346                         if (!next_token(&ptr,tok,NULL, sizeof(tok))) continue;
 347                 }
 348
 349                 do_command(info, tok, line);
 350         }
 351
 352         return(True);
 353 }
 354
 355 /****************************************************************************
 356 usage on the program
 357 ****************************************************************************/
 358 static void usage(char *pname)
 359 {
 360   fprintf(out_hnd, "Usage: %s service <password> [-d debuglevel] [-l log] ",
 361            pname);
 362
 363   fprintf(out_hnd, "\nVersion %s\n",VERSION);
 364   fprintf(out_hnd, "\t-d debuglevel         set the debuglevel\n");
 365   fprintf(out_hnd, "\t-l log basename.      Basename for log/debug files\n");
 366   fprintf(out_hnd, "\t-n netbios name.      Use this name as my netbios name\n");
 367   fprintf(out_hnd, "\t-N                    don't ask for a password\n");
 368   fprintf(out_hnd, "\t-m max protocol       set the max protocol level\n");
 369   fprintf(out_hnd, "\t-I dest IP            use this IP to connect to\n");
 370   fprintf(out_hnd, "\t-E                    write messages to stderr instead of stdout\n");
 371   fprintf(out_hnd, "\t-U username           set the network username\n");
 372   fprintf(out_hnd, "\t-W workgroup          set the workgroup name\n");
 373   fprintf(out_hnd, "\t-c command string     execute semicolon separated commands\n");
 374   fprintf(out_hnd, "\t-t terminal code      terminal i/o code {sjis|euc|jis7|jis8|junet|hex}\n");
 375   fprintf(out_hnd, "\n");
 376 }
 377
 378 enum client_action
 379 {
 380         CLIENT_NONE,
 381         CLIENT_IPC,
 382         CLIENT_SVC
 383 };
 384
 385 /****************************************************************************
 386   main program
 387 ****************************************************************************/
 388  int main(int argc,char *argv[])
 389 {
 390         char *pname = argv[0];
 391         int opt;
 392         extern FILE *dbf;
 393         extern char *optarg;
 394         extern int optind;
 395         static pstring servicesf = CONFIGFILE;
 396         pstring term_code;
 397         char *p;
 398         BOOL got_pass = False;
 399         char *cmd_str="";
 400         mode_t myumask = 0755;
 401         enum client_action cli_action = CLIENT_NONE;
 402
 403         struct client_info cli_info;
 404
 405         pstring password; /* local copy only, if one is entered */
 406
 407         out_hnd = stdout;
 408
 409         rpcclient_init();
 410
 411 #ifdef KANJI
 412         pstrcpy(term_code, KANJI);
 413 #else /* KANJI */
 414         *term_code = 0;
 415 #endif /* KANJI */
 416
 417         DEBUGLEVEL = 2;
 418
 419         cli_info.put_total_size = 0;
 420         cli_info.put_total_time_ms = 0;
 421         cli_info.get_total_size = 0;
 422         cli_info.get_total_time_ms = 0;
 423
 424         cli_info.dir_total = 0;
 425         cli_info.newer_than = 0;
 426         cli_info.archive_level = 0;
 427         cli_info.print_mode = 1;
 428
 429         cli_info.translation = False;
 430         cli_info.recurse_dir = False;
 431         cli_info.lowercase = False;
 432         cli_info.prompt = True;
 433         cli_info.abort_mget = True;
 434
 435         cli_info.dest_ip.s_addr = 0;
 436         cli_info.name_type = 0x20;
 437
 438         pstrcpy(cli_info.cur_dir , "\\");
 439         pstrcpy(cli_info.file_sel, "");
 440         pstrcpy(cli_info.base_dir, "");
 441         pstrcpy(smb_cli->domain, "");
 442         pstrcpy(smb_cli->user_name, "");
 443         pstrcpy(cli_info.myhostname, "");
 444         pstrcpy(cli_info.dest_host, "");
 445
 446         pstrcpy(cli_info.svc_type, "A:");
 447         pstrcpy(cli_info.share, "");
 448         pstrcpy(cli_info.service, "");
 449
 450         pstrcpy(cli_info.dom.level3_sid, "");
 451         pstrcpy(cli_info.dom.level3_dom, "");
 452         pstrcpy(cli_info.dom.level5_sid, "");
 453         pstrcpy(cli_info.dom.level5_dom, "");
 454
 455         smb_cli->nt_pipe_fnum   = 0xffff;
 456
 457         setup_logging(pname, True);
 458
 459         TimeInit();
 460         charset_initialise();
 461         crc32_build_table();
 462
 463         myumask = umask(0);
 464         umask(myumask);
 465
 466         if (getenv("USER"))
 467         {
 468                 pstrcpy(smb_cli->user_name,getenv("USER"));
 469
 470                 /* modification to support userid%passwd syntax in the USER var
 471                 25.Aug.97, jdblair@uab.edu */
 472
 473                 if ((p=strchr(smb_cli->user_name,'%')))
 474                 {
 475                         *p = 0;
 476                         pstrcpy(password,p+1);
 477                         got_pass = True;
 478                         memset(strchr(getenv("USER"),'%')+1,'X',strlen(password));
 479                 }
 480                 strupper(smb_cli->user_name);
 481         }
 482
 483         password[0] = 0;
 484
 485         /* modification to support PASSWD environmental var
 486            25.Aug.97, jdblair@uab.edu */
 487         if (getenv("PASSWD"))
 488         {
 489                 pstrcpy(password,getenv("PASSWD"));
 490         }
 491
 492         if (*smb_cli->user_name == 0 && getenv("LOGNAME"))
 493         {
 494                 pstrcpy(smb_cli->user_name,getenv("LOGNAME"));
 495                 strupper(smb_cli->user_name);
 496         }
 497
 498         if (argc < 2)
 499         {
 500                 usage(pname);
 501                 exit(1);
 502         }
 503
 504         if (*argv[1] != '-')
 505         {
 506
 507                 pstrcpy(cli_info.service, argv[1]);
 508                 /* Convert any '/' characters in the service name to '\' characters */
 509                 string_replace( cli_info.service, '/','\\');
 510                 argc--;
 511                 argv++;
 512
 513                 DEBUG(1,("service: %s\n", cli_info.service));
 514
 515                 if (count_chars(cli_info.service,'\\') < 3)
 516                 {
 517                         usage(pname);
 518                         printf("\n%s: Not enough '\\' characters in service\n", cli_info.service);
 519                         exit(1);
 520                 }
 521
 522                 /*
 523                 if (count_chars(cli_info.service,'\\') > 3)
 524                 {
 525                         usage(pname);
 526                         printf("\n%s: Too many '\\' characters in service\n", cli_info.service);
 527                         exit(1);
 528                 }
 529                 */
 530
 531                 if (argc > 1 && (*argv[1] != '-'))
 532                 {
 533                         got_pass = True;
 534                         pstrcpy(password,argv[1]);
 535                         memset(argv[1],'X',strlen(argv[1]));
 536                         argc--;
 537                         argv++;
 538                 }
 539
 540                 cli_action = CLIENT_SVC;
 541         }
 542
 543         while ((opt = getopt(argc, argv,"s:B:O:M:S:i:N:d:l:hI:EB:U:L:t:m:W:T:D:c:")) != EOF)
 544         {
 545                 switch (opt)
 546                 {
 547                         case 'm':
 548                         {
 549                                 /* FIXME ... max_protocol seems to be funny here */
 550
 551                                 int max_protocol = 0;
 552                                 max_protocol = interpret_protocol(optarg,max_protocol);
 553                                 fprintf(stderr, "max protocol not currently supported\n");
 554                                 break;
 555                         }
 556
 557                         case 'O':
 558                         {
 559                                 pstrcpy(user_socket_options,optarg);
 560                                 break;
 561                         }
 562
 563                         case 'S':
 564                         {
 565                                 pstrcpy(cli_info.dest_host,optarg);
 566                                 strupper(cli_info.dest_host);
 567                                 cli_action = CLIENT_IPC;
 568                                 break;
 569                         }
 570
 571                         case 'B':
 572                         {
 573                                 iface_set_default(NULL,optarg,NULL);
 574                                 break;
 575                         }
 576
 577                         case 'i':
 578                         {
 579                                 pstrcpy(scope, optarg);
 580                                 break;
 581                         }
 582
 583                         case 'U':
 584                         {
 585                                 char *lp;
 586                                 pstrcpy(smb_cli->user_name,optarg);
 587                                 if ((lp=strchr(smb_cli->user_name,'%')))
 588                                 {
 589                                         *lp = 0;
 590                                         pstrcpy(password,lp+1);
 591                                         got_pass = True;
 592                                         memset(strchr(optarg,'%')+1,'X',strlen(password));
 593                                 }
 594                                 break;
 595                         }
 596
 597                         case 'W':
 598                         {
 599                                 pstrcpy(smb_cli->domain,optarg);
 600                                 break;
 601                         }
 602
 603                         case 'E':
 604                         {
 605                                 dbf = stderr;
 606                                 break;
 607                         }
 608
 609                         case 'I':
 610                         {
 611                                 cli_info.dest_ip = *interpret_addr2(optarg);
 612                                 if (zero_ip(cli_info.dest_ip))
 613                                 {
 614                                         exit(1);
 615                                 }
 616                                 break;
 617                         }
 618
 619                         case 'N':
 620                         {
 621                                 got_pass = True;
 622                                 break;
 623                         }
 624
 625                         case 'd':
 626                         {
 627                                 if (*optarg == 'A')
 628                                         DEBUGLEVEL = 10000;
 629                                 else
 630                                         DEBUGLEVEL = atoi(optarg);
 631                                 break;
 632                         }
 633
 634                         case 'l':
 635                         {
 636                                 slprintf(debugf, sizeof(debugf)-1,
 637                                          "%s.client",optarg);
 638                                 break;
 639                         }
 640
 641                         case 'c':
 642                         {
 643                                 cmd_str = optarg;
 644                                 got_pass = True;
 645                                 break;
 646                         }
 647
 648                         case 'h':
 649                         {
 650                                 usage(pname);
 651                                 exit(0);
 652                                 break;
 653                         }
 654
 655                         case 's':
 656                         {
 657                                 pstrcpy(servicesf, optarg);
 658                                 break;
 659                         }
 660
 661                         case 't':
 662                         {
 663                                 pstrcpy(term_code, optarg);
 664                                 break;
 665                         }
 666
 667                         default:
 668                         {
 669                                 usage(pname);
 670                                 exit(1);
 671                                 break;
 672                         }
 673                 }
 674         }
 675
 676         if (cli_action == CLIENT_NONE)
 677         {
 678                 usage(pname);
 679                 exit(1);
 680         }
 681
 682         DEBUG(3,("%s client started (version %s)\n",timestring(),VERSION));
 683
 684         if (!get_myname(cli_info.myhostname, NULL))
 685         {
 686                 fprintf(stderr, "Failed to get my hostname.\n");
 687         }
 688
 689         fstrcpy(global_myname, cli_info.myhostname);
 690         strupper(global_myname);
 691
 692         if (!lp_load(servicesf,True, False, False))
 693         {
 694                 fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
 695         }
 696
 697         codepage_initialise(lp_client_code_page());
 698
 699         if (*smb_cli->domain == 0) pstrcpy(smb_cli->domain,lp_workgroup());
 700
 701         load_interfaces();
 702
 703         if (cli_action == CLIENT_IPC)
 704         {
 705                 pstrcpy(cli_info.share, "IPC$");
 706                 pstrcpy(cli_info.svc_type, "IPC");
 707         }
 708
 709         fstrcpy(cli_info.mach_acct, cli_info.myhostname);
 710         strupper(cli_info.mach_acct);
 711         fstrcat(cli_info.mach_acct, "$");
 712
 713         /* set the password cache info */
 714         if (got_pass)
 715         {
 716                 if (password[0] == 0)
 717                 {
 718                         pwd_set_nullpwd(&(smb_cli->pwd));
 719                 }
 720                 else
 721                 {
 722                         pwd_make_lm_nt_16(&(smb_cli->pwd), password); /* generate 16 byte hashes */
 723                 }
 724         }
 725         else
 726         {
 727                 pwd_read(&(smb_cli->pwd), "Enter Password:", True);
 728         }
 729
 730         /* paranoia: destroy the local copy of the password */
 731         bzero(password, sizeof(password));
 732
 733         /* establish connections.  nothing to stop these being re-established. */
 734         rpcclient_connect(&cli_info);
 735
 736         DEBUG(5,("rpcclient_connect: smb_cli->fd:%d\n", smb_cli->fd));
 737         if (smb_cli->fd <= 0)
 738         {
 739                 fprintf(stderr, "warning: connection could not be established to %s<%02x>\n",
 740                                  cli_info.dest_host, cli_info.name_type);
 741                 fprintf(stderr, "this version of smbclient may crash if you proceed\n");
 742                 exit(-1);
 743         }
 744
 745         switch (cli_action)
 746         {
 747                 case CLIENT_IPC:
 748                 {
 749                         process(&cli_info, cmd_str);
 750                         break;
 751                 }
 752
 753                 default:
 754                 {
 755                         fprintf(stderr, "unknown client action requested\n");
 756                         break;
 757                 }
 758         }
 759
 760         rpcclient_stop();
 761
 762         return(0);
 763 }