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