source/utils/smbcquotas.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    QUOTA get/set utility
   4
   5    Copyright (C) Andrew Tridgell                2000
   6    Copyright (C) Tim Potter                     2000
   7    Copyright (C) Jeremy Allison                 2000
   8    Copyright (C) Stefan (metze) Metzmacher      2003
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25
  26 static char *server;
  27
  28 /* numeric is set when the user wants numeric SIDs and ACEs rather
  29    than going via LSA calls to resolve them */
  30 static bool numeric;
  31 static bool verbose;
  32
  33 enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
  34 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  35
  36 static struct cli_state *cli_ipc;
  37 static struct rpc_pipe_client *global_pipe_hnd;
  38 static POLICY_HND pol;
  39 static bool got_policy_hnd;
  40
  41 static struct cli_state *connect_one(const char *share);
  42
  43 /* Open cli connection and policy handle */
  44
  45 static bool cli_open_policy_hnd(void)
  46 {
  47         /* Initialise cli LSA connection */
  48
  49         if (!cli_ipc) {
  50                 NTSTATUS ret;
  51                 cli_ipc = connect_one("IPC$");
  52                 ret = cli_rpc_pipe_open_noauth(cli_ipc,
  53                                                &ndr_table_lsarpc.syntax_id,
  54                                                &global_pipe_hnd);
  55                 if (!NT_STATUS_IS_OK(ret)) {
  56                                 return False;
  57                 }
  58         }
  59
  60         /* Open policy handle */
  61
  62         if (!got_policy_hnd) {
  63
  64                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  65                    but NT sends 0x2000000 so we might as well do it too. */
  66
  67                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True,
  68                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  69                         return False;
  70                 }
  71
  72                 got_policy_hnd = True;
  73         }
  74
  75         return True;
  76 }
  77
  78 /* convert a SID to a string, either numeric or username/group */
  79 static void SidToString(fstring str, DOM_SID *sid, bool _numeric)
  80 {
  81         char **domains = NULL;
  82         char **names = NULL;
  83         enum lsa_SidType *types = NULL;
  84
  85         sid_to_fstring(str, sid);
  86
  87         if (_numeric) return;
  88
  89         /* Ask LSA to convert the sid to a name */
  90
  91         if (!cli_open_policy_hnd() ||
  92             !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
  93                                                  &pol, 1, sid, &domains,
  94                                                  &names, &types)) ||
  95             !domains || !domains[0] || !names || !names[0]) {
  96                 return;
  97         }
  98
  99         /* Converted OK */
 100
 101         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 102                  domains[0], lp_winbind_separator(),
 103                  names[0]);
 104
 105 }
 106
 107 /* convert a string to a SID, either numeric or username/group */
 108 static bool StringToSid(DOM_SID *sid, const char *str)
 109 {
 110         enum lsa_SidType *types = NULL;
 111         DOM_SID *sids = NULL;
 112         bool result = True;
 113
 114         if (strncmp(str, "S-", 2) == 0) {
 115                 return string_to_sid(sid, str);
 116         }
 117
 118         if (!cli_open_policy_hnd() ||
 119             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 120                                                   &pol, 1, &str, NULL, 1, &sids,
 121                                                   &types))) {
 122                 result = False;
 123                 goto done;
 124         }
 125
 126         sid_copy(sid, &sids[0]);
 127  done:
 128
 129         return result;
 130 }
 131
 132 #define QUOTA_GET 1
 133 #define QUOTA_SETLIM 2
 134 #define QUOTA_SETFLAGS 3
 135 #define QUOTA_LIST 4
 136
 137 enum {PARSE_FLAGS,PARSE_LIM};
 138
 139 static int parse_quota_set(TALLOC_CTX *ctx,
 140                         char *set_str,
 141                         char **pp_username_str,
 142                         enum SMB_QUOTA_TYPE *qtype,
 143                         int *cmd,
 144                         SMB_NTQUOTA_STRUCT *pqt)
 145 {
 146         char *p = set_str,*p2;
 147         int todo;
 148         bool stop = False;
 149         bool enable = False;
 150         bool deny = False;
 151
 152         *pp_username_str = NULL;
 153         if (strnequal(set_str,"UQLIM:",6)) {
 154                 p += 6;
 155                 *qtype = SMB_USER_QUOTA_TYPE;
 156                 *cmd = QUOTA_SETLIM;
 157                 todo = PARSE_LIM;
 158                 if ((p2=strstr(p,":"))==NULL) {
 159                         return -1;
 160                 }
 161
 162                 *p2 = '\0';
 163                 p2++;
 164
 165                 *pp_username_str = talloc_strdup(ctx, p);
 166                 p = p2;
 167         } else if (strnequal(set_str,"FSQLIM:",7)) {
 168                 p +=7;
 169                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 170                 *cmd = QUOTA_SETLIM;
 171                 todo = PARSE_LIM;
 172         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 173                 p +=9;
 174                 todo = PARSE_FLAGS;
 175                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 176                 *cmd = QUOTA_SETFLAGS;
 177         } else {
 178                 return -1;
 179         }
 180
 181         switch (todo) {
 182                 case PARSE_LIM:
 183 #if defined(HAVE_LONGLONG)
 184                         if (sscanf(p,"%llu/%llu",&pqt->softlim,&pqt->hardlim)!=2) {
 185 #else
 186                         if (sscanf(p,"%lu/%lu",&pqt->softlim,&pqt->hardlim)!=2) {
 187 #endif
 188                                 return -1;
 189                         }
 190
 191                         break;
 192                 case PARSE_FLAGS:
 193                         while (!stop) {
 194
 195                                 if ((p2=strstr(p,"/"))==NULL) {
 196                                         stop = True;
 197                                 } else {
 198                                         *p2 = '\0';
 199                                         p2++;
 200                                 }
 201
 202                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 203                                         enable = True;
 204                                 } else if (strnequal(p,"DENY_DISK",9)) {
 205                                         deny = True;
 206                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 207                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 208                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 209                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 210                                 } else {
 211                                         return -1;
 212                                 }
 213
 214                                 p=p2;
 215                         }
 216
 217                         if (deny) {
 218                                 pqt->qflags |= QUOTAS_DENY_DISK;
 219                         } else if (enable) {
 220                                 pqt->qflags |= QUOTAS_ENABLED;
 221                         }
 222
 223                         break;
 224         }
 225
 226         return 0;
 227 }
 228
 229 static int do_quota(struct cli_state *cli,
 230                 enum SMB_QUOTA_TYPE qtype,
 231                 uint16 cmd,
 232                 const char *username_str,
 233                 SMB_NTQUOTA_STRUCT *pqt)
 234 {
 235         uint32 fs_attrs = 0;
 236         int quota_fnum = 0;
 237         SMB_NTQUOTA_LIST *qtl = NULL;
 238         SMB_NTQUOTA_STRUCT qt;
 239         ZERO_STRUCT(qt);
 240
 241         if (!cli_get_fs_attr_info(cli, &fs_attrs)) {
 242                 d_printf("Failed to get the filesystem attributes %s.\n",
 243                         cli_errstr(cli));
 244                 return -1;
 245         }
 246
 247         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 248                 d_printf("Quotas are not supported by the server.\n");
 249                 return 0;
 250         }
 251
 252         if (!cli_get_quota_handle(cli, &quota_fnum)) {
 253                 d_printf("Quotas are not enabled on this share.\n");
 254                 d_printf("Failed to open %s  %s.\n",
 255                         FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
 256                 return -1;
 257         }
 258
 259         switch(qtype) {
 260                 case SMB_USER_QUOTA_TYPE:
 261                         if (!StringToSid(&qt.sid, username_str)) {
 262                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 263                                 return -1;
 264                         }
 265
 266                         switch(cmd) {
 267                                 case QUOTA_GET:
 268                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 269                                                 d_printf("%s cli_get_user_quota %s\n",
 270                                                          cli_errstr(cli),username_str);
 271                                                 return -1;
 272                                         }
 273                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 274                                         break;
 275                                 case QUOTA_SETLIM:
 276                                         pqt->sid = qt.sid;
 277                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 278                                                 d_printf("%s cli_set_user_quota %s\n",
 279                                                          cli_errstr(cli),username_str);
 280                                                 return -1;
 281                                         }
 282                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 283                                                 d_printf("%s cli_get_user_quota %s\n",
 284                                                          cli_errstr(cli),username_str);
 285                                                 return -1;
 286                                         }
 287                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 288                                         break;
 289                                 case QUOTA_LIST:
 290                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 291                                                 d_printf("%s cli_set_user_quota %s\n",
 292                                                          cli_errstr(cli),username_str);
 293                                                 return -1;
 294                                         }
 295                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 296                                         free_ntquota_list(&qtl);
 297                                         break;
 298                                 default:
 299                                         d_printf("Unknown Error\n");
 300                                         return -1;
 301                         }
 302                         break;
 303                 case SMB_USER_FS_QUOTA_TYPE:
 304                         switch(cmd) {
 305                                 case QUOTA_GET:
 306                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 307                                                 d_printf("%s cli_get_fs_quota_info\n",
 308                                                          cli_errstr(cli));
 309                                                 return -1;
 310                                         }
 311                                         dump_ntquota(&qt,True,numeric,NULL);
 312                                         break;
 313                                 case QUOTA_SETLIM:
 314                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 315                                                 d_printf("%s cli_get_fs_quota_info\n",
 316                                                          cli_errstr(cli));
 317                                                 return -1;
 318                                         }
 319                                         qt.softlim = pqt->softlim;
 320                                         qt.hardlim = pqt->hardlim;
 321                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 322                                                 d_printf("%s cli_set_fs_quota_info\n",
 323                                                          cli_errstr(cli));
 324                                                 return -1;
 325                                         }
 326                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 327                                                 d_printf("%s cli_get_fs_quota_info\n",
 328                                                          cli_errstr(cli));
 329                                                 return -1;
 330                                         }
 331                                         dump_ntquota(&qt,True,numeric,NULL);
 332                                         break;
 333                                 case QUOTA_SETFLAGS:
 334                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 335                                                 d_printf("%s cli_get_fs_quota_info\n",
 336                                                          cli_errstr(cli));
 337                                                 return -1;
 338                                         }
 339                                         qt.qflags = pqt->qflags;
 340                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 341                                                 d_printf("%s cli_set_fs_quota_info\n",
 342                                                          cli_errstr(cli));
 343                                                 return -1;
 344                                         }
 345                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 346                                                 d_printf("%s cli_get_fs_quota_info\n",
 347                                                          cli_errstr(cli));
 348                                                 return -1;
 349                                         }
 350                                         dump_ntquota(&qt,True,numeric,NULL);
 351                                         break;
 352                                 default:
 353                                         d_printf("Unknown Error\n");
 354                                         return -1;
 355                         }
 356                         break;
 357                 default:
 358                         d_printf("Unknown Error\n");
 359                         return -1;
 360         }
 361
 362         cli_close(cli, quota_fnum);
 363
 364         return 0;
 365 }
 366
 367 /*****************************************************
 368  Return a connection to a server.
 369 *******************************************************/
 370
 371 static struct cli_state *connect_one(const char *share)
 372 {
 373         struct cli_state *c;
 374         struct sockaddr_storage ss;
 375         NTSTATUS nt_status;
 376         uint32_t flags = 0;
 377
 378         zero_sockaddr(&ss);
 379
 380         if (get_cmdline_auth_info_use_machine_account() &&
 381             !set_cmdline_auth_info_machine_account_creds()) {
 382                 return NULL;
 383         }
 384
 385         if (get_cmdline_auth_info_use_kerberos()) {
 386                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 387                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 388
 389         }
 390
 391         if (!get_cmdline_auth_info_got_pass()) {
 392                 char *pass = getpass("Password: ");
 393                 if (pass) {
 394                         set_cmdline_auth_info_password(pass);
 395                 }
 396         }
 397
 398         nt_status = cli_full_connection(&c, global_myname(), server,
 399                                             &ss, 0,
 400                                             share, "?????",
 401                                             get_cmdline_auth_info_username(),
 402                                             lp_workgroup(),
 403                                             get_cmdline_auth_info_password(),
 404                                             flags,
 405                                             get_cmdline_auth_info_signing_state(),
 406                                             NULL);
 407         if (!NT_STATUS_IS_OK(nt_status)) {
 408                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 409                 return NULL;
 410         }
 411
 412         if (get_cmdline_auth_info_smb_encrypt()) {
 413                 nt_status = cli_cm_force_encryption(c,
 414                                         get_cmdline_auth_info_username(),
 415                                         get_cmdline_auth_info_password(),
 416                                         lp_workgroup(),
 417                                         share);
 418                 if (!NT_STATUS_IS_OK(nt_status)) {
 419                         cli_shutdown(c);
 420                         return NULL;
 421                 }
 422         }
 423
 424         return c;
 425 }
 426
 427 /****************************************************************************
 428   main program
 429 ****************************************************************************/
 430  int main(int argc, const char *argv[])
 431 {
 432         char *share;
 433         int opt;
 434         int result;
 435         int todo = 0;
 436         char *username_str = NULL;
 437         char *path = NULL;
 438         char *set_str = NULL;
 439         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 440         int cmd = 0;
 441         static bool test_args = False;
 442         struct cli_state *cli;
 443         bool fix_user = False;
 444         SMB_NTQUOTA_STRUCT qt;
 445         TALLOC_CTX *frame = talloc_stackframe();
 446         poptContext pc;
 447         struct poptOption long_options[] = {
 448                 POPT_AUTOHELP
 449                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 450                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 451                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 452                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 453 SETSTRING:\n\
 454 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 455 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 456 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 457                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 458                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 459                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 460                 POPT_COMMON_SAMBA
 461                 POPT_COMMON_CREDENTIALS
 462                 { NULL }
 463         };
 464
 465         load_case_tables();
 466
 467         ZERO_STRUCT(qt);
 468
 469         /* set default debug level to 1 regardless of what smb.conf sets */
 470         setup_logging( "smbcquotas", True );
 471         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 472         dbf = x_stderr;
 473         x_setbuf( x_stderr, NULL );
 474
 475         setlinebuf(stdout);
 476
 477         fault_setup(NULL);
 478
 479         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 480         load_interfaces();
 481
 482         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 483
 484         poptSetOtherOptionHelp(pc, "//server1/share1");
 485
 486         while ((opt = poptGetNextOpt(pc)) != -1) {
 487                 switch (opt) {
 488                 case 'n':
 489                         numeric = true;
 490                         break;
 491                 case 'v':
 492                         verbose = true;
 493                         break;
 494                 case 't':
 495                         test_args = true;
 496                         break;
 497                 case 'L':
 498                         if (todo != 0) {
 499                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 500                                 exit(EXIT_PARSE_ERROR);
 501                         }
 502                         todo = LIST_QUOTA;
 503                         break;
 504
 505                 case 'F':
 506                         if (todo != 0) {
 507                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 508                                 exit(EXIT_PARSE_ERROR);
 509                         }
 510                         todo = FS_QUOTA;
 511                         break;
 512
 513                 case 'u':
 514                         if (todo != 0) {
 515                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 516                                 exit(EXIT_PARSE_ERROR);
 517                         }
 518                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 519                         if (!username_str) {
 520                                 exit(EXIT_PARSE_ERROR);
 521                         }
 522                         todo = USER_QUOTA;
 523                         fix_user = True;
 524                         break;
 525
 526                 case 'S':
 527                         if (todo != 0) {
 528                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 529                                 exit(EXIT_PARSE_ERROR);
 530                         }
 531                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 532                         if (!set_str) {
 533                                 exit(EXIT_PARSE_ERROR);
 534                         }
 535                         todo = SET_QUOTA;
 536                         break;
 537                 }
 538         }
 539
 540         if (todo == 0)
 541                 todo = USER_QUOTA;
 542
 543         if (!fix_user) {
 544                 username_str = talloc_strdup(frame, get_cmdline_auth_info_username());
 545                 if (!username_str) {
 546                         exit(EXIT_PARSE_ERROR);
 547                 }
 548         }
 549
 550         /* Make connection to server */
 551         if(!poptPeekArg(pc)) {
 552                 poptPrintUsage(pc, stderr, 0);
 553                 exit(EXIT_PARSE_ERROR);
 554         }
 555
 556         path = talloc_strdup(frame, poptGetArg(pc));
 557         if (!path) {
 558                 printf("Out of memory\n");
 559                 exit(EXIT_PARSE_ERROR);
 560         }
 561
 562         string_replace(path, '/', '\\');
 563
 564         server = SMB_STRDUP(path+2);
 565         if (!server) {
 566                 printf("Out of memory\n");
 567                 exit(EXIT_PARSE_ERROR);
 568         }
 569         share = strchr_m(server,'\\');
 570         if (!share) {
 571                 printf("Invalid argument: %s\n", share);
 572                 exit(EXIT_PARSE_ERROR);
 573         }
 574
 575         *share = 0;
 576         share++;
 577
 578         if (todo == SET_QUOTA) {
 579                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 580                         printf("Invalid argument: -S %s\n", set_str);
 581                         exit(EXIT_PARSE_ERROR);
 582                 }
 583         }
 584
 585         if (!test_args) {
 586                 cli = connect_one(share);
 587                 if (!cli) {
 588                         exit(EXIT_FAILED);
 589                 }
 590         } else {
 591                 exit(EXIT_OK);
 592         }
 593
 594
 595         /* Perform requested action */
 596
 597         switch (todo) {
 598                 case FS_QUOTA:
 599                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 600                         break;
 601                 case LIST_QUOTA:
 602                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 603                         break;
 604                 case USER_QUOTA:
 605                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 606                         break;
 607                 case SET_QUOTA:
 608                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 609                         break;
 610                 default:
 611
 612                         result = EXIT_FAILED;
 613                         break;
 614         }
 615
 616         talloc_free(frame);
 617
 618         return result;
 619 }