source3/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 (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 184                                 return -1;
 185                         }
 186
 187                         break;
 188                 case PARSE_FLAGS:
 189                         while (!stop) {
 190
 191                                 if ((p2=strstr(p,"/"))==NULL) {
 192                                         stop = True;
 193                                 } else {
 194                                         *p2 = '\0';
 195                                         p2++;
 196                                 }
 197
 198                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 199                                         enable = True;
 200                                 } else if (strnequal(p,"DENY_DISK",9)) {
 201                                         deny = True;
 202                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 203                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 204                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 205                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 206                                 } else {
 207                                         return -1;
 208                                 }
 209
 210                                 p=p2;
 211                         }
 212
 213                         if (deny) {
 214                                 pqt->qflags |= QUOTAS_DENY_DISK;
 215                         } else if (enable) {
 216                                 pqt->qflags |= QUOTAS_ENABLED;
 217                         }
 218
 219                         break;
 220         }
 221
 222         return 0;
 223 }
 224
 225 static int do_quota(struct cli_state *cli,
 226                 enum SMB_QUOTA_TYPE qtype,
 227                 uint16 cmd,
 228                 const char *username_str,
 229                 SMB_NTQUOTA_STRUCT *pqt)
 230 {
 231         uint32 fs_attrs = 0;
 232         int quota_fnum = 0;
 233         SMB_NTQUOTA_LIST *qtl = NULL;
 234         SMB_NTQUOTA_STRUCT qt;
 235         ZERO_STRUCT(qt);
 236
 237         if (!cli_get_fs_attr_info(cli, &fs_attrs)) {
 238                 d_printf("Failed to get the filesystem attributes %s.\n",
 239                         cli_errstr(cli));
 240                 return -1;
 241         }
 242
 243         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 244                 d_printf("Quotas are not supported by the server.\n");
 245                 return 0;
 246         }
 247
 248         if (!cli_get_quota_handle(cli, &quota_fnum)) {
 249                 d_printf("Quotas are not enabled on this share.\n");
 250                 d_printf("Failed to open %s  %s.\n",
 251                         FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
 252                 return -1;
 253         }
 254
 255         switch(qtype) {
 256                 case SMB_USER_QUOTA_TYPE:
 257                         if (!StringToSid(&qt.sid, username_str)) {
 258                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 259                                 return -1;
 260                         }
 261
 262                         switch(cmd) {
 263                                 case QUOTA_GET:
 264                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 265                                                 d_printf("%s cli_get_user_quota %s\n",
 266                                                          cli_errstr(cli),username_str);
 267                                                 return -1;
 268                                         }
 269                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 270                                         break;
 271                                 case QUOTA_SETLIM:
 272                                         pqt->sid = qt.sid;
 273                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 274                                                 d_printf("%s cli_set_user_quota %s\n",
 275                                                          cli_errstr(cli),username_str);
 276                                                 return -1;
 277                                         }
 278                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 279                                                 d_printf("%s cli_get_user_quota %s\n",
 280                                                          cli_errstr(cli),username_str);
 281                                                 return -1;
 282                                         }
 283                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 284                                         break;
 285                                 case QUOTA_LIST:
 286                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 287                                                 d_printf("%s cli_set_user_quota %s\n",
 288                                                          cli_errstr(cli),username_str);
 289                                                 return -1;
 290                                         }
 291                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 292                                         free_ntquota_list(&qtl);
 293                                         break;
 294                                 default:
 295                                         d_printf("Unknown Error\n");
 296                                         return -1;
 297                         }
 298                         break;
 299                 case SMB_USER_FS_QUOTA_TYPE:
 300                         switch(cmd) {
 301                                 case QUOTA_GET:
 302                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 303                                                 d_printf("%s cli_get_fs_quota_info\n",
 304                                                          cli_errstr(cli));
 305                                                 return -1;
 306                                         }
 307                                         dump_ntquota(&qt,True,numeric,NULL);
 308                                         break;
 309                                 case QUOTA_SETLIM:
 310                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 311                                                 d_printf("%s cli_get_fs_quota_info\n",
 312                                                          cli_errstr(cli));
 313                                                 return -1;
 314                                         }
 315                                         qt.softlim = pqt->softlim;
 316                                         qt.hardlim = pqt->hardlim;
 317                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 318                                                 d_printf("%s cli_set_fs_quota_info\n",
 319                                                          cli_errstr(cli));
 320                                                 return -1;
 321                                         }
 322                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 323                                                 d_printf("%s cli_get_fs_quota_info\n",
 324                                                          cli_errstr(cli));
 325                                                 return -1;
 326                                         }
 327                                         dump_ntquota(&qt,True,numeric,NULL);
 328                                         break;
 329                                 case QUOTA_SETFLAGS:
 330                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 331                                                 d_printf("%s cli_get_fs_quota_info\n",
 332                                                          cli_errstr(cli));
 333                                                 return -1;
 334                                         }
 335                                         qt.qflags = pqt->qflags;
 336                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 337                                                 d_printf("%s cli_set_fs_quota_info\n",
 338                                                          cli_errstr(cli));
 339                                                 return -1;
 340                                         }
 341                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 342                                                 d_printf("%s cli_get_fs_quota_info\n",
 343                                                          cli_errstr(cli));
 344                                                 return -1;
 345                                         }
 346                                         dump_ntquota(&qt,True,numeric,NULL);
 347                                         break;
 348                                 default:
 349                                         d_printf("Unknown Error\n");
 350                                         return -1;
 351                         }
 352                         break;
 353                 default:
 354                         d_printf("Unknown Error\n");
 355                         return -1;
 356         }
 357
 358         cli_close(cli, quota_fnum);
 359
 360         return 0;
 361 }
 362
 363 /*****************************************************
 364  Return a connection to a server.
 365 *******************************************************/
 366
 367 static struct cli_state *connect_one(const char *share)
 368 {
 369         struct cli_state *c;
 370         struct sockaddr_storage ss;
 371         NTSTATUS nt_status;
 372         uint32_t flags = 0;
 373
 374         zero_sockaddr(&ss);
 375
 376         if (get_cmdline_auth_info_use_machine_account() &&
 377             !set_cmdline_auth_info_machine_account_creds()) {
 378                 return NULL;
 379         }
 380
 381         if (get_cmdline_auth_info_use_kerberos()) {
 382                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 383                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 384
 385         }
 386
 387         if (!get_cmdline_auth_info_got_pass()) {
 388                 char *pass = getpass("Password: ");
 389                 if (pass) {
 390                         set_cmdline_auth_info_password(pass);
 391                 }
 392         }
 393
 394         nt_status = cli_full_connection(&c, global_myname(), server,
 395                                             &ss, 0,
 396                                             share, "?????",
 397                                             get_cmdline_auth_info_username(),
 398                                             lp_workgroup(),
 399                                             get_cmdline_auth_info_password(),
 400                                             flags,
 401                                             get_cmdline_auth_info_signing_state(),
 402                                             NULL);
 403         if (!NT_STATUS_IS_OK(nt_status)) {
 404                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 405                 return NULL;
 406         }
 407
 408         if (get_cmdline_auth_info_smb_encrypt()) {
 409                 nt_status = cli_cm_force_encryption(c,
 410                                         get_cmdline_auth_info_username(),
 411                                         get_cmdline_auth_info_password(),
 412                                         lp_workgroup(),
 413                                         share);
 414                 if (!NT_STATUS_IS_OK(nt_status)) {
 415                         cli_shutdown(c);
 416                         return NULL;
 417                 }
 418         }
 419
 420         return c;
 421 }
 422
 423 /****************************************************************************
 424   main program
 425 ****************************************************************************/
 426  int main(int argc, const char *argv[])
 427 {
 428         char *share;
 429         int opt;
 430         int result;
 431         int todo = 0;
 432         char *username_str = NULL;
 433         char *path = NULL;
 434         char *set_str = NULL;
 435         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 436         int cmd = 0;
 437         static bool test_args = False;
 438         struct cli_state *cli;
 439         bool fix_user = False;
 440         SMB_NTQUOTA_STRUCT qt;
 441         TALLOC_CTX *frame = talloc_stackframe();
 442         poptContext pc;
 443         struct poptOption long_options[] = {
 444                 POPT_AUTOHELP
 445                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 446                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 447                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 448                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 449 SETSTRING:\n\
 450 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 451 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 452 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 453                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 454                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 455                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 456                 POPT_COMMON_SAMBA
 457                 POPT_COMMON_CREDENTIALS
 458                 { NULL }
 459         };
 460
 461         load_case_tables();
 462
 463         ZERO_STRUCT(qt);
 464
 465         /* set default debug level to 1 regardless of what smb.conf sets */
 466         setup_logging( "smbcquotas", True );
 467         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 468         dbf = x_stderr;
 469         x_setbuf( x_stderr, NULL );
 470
 471         setlinebuf(stdout);
 472
 473         fault_setup(NULL);
 474
 475         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 476         load_interfaces();
 477
 478         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 479
 480         poptSetOtherOptionHelp(pc, "//server1/share1");
 481
 482         while ((opt = poptGetNextOpt(pc)) != -1) {
 483                 switch (opt) {
 484                 case 'n':
 485                         numeric = true;
 486                         break;
 487                 case 'v':
 488                         verbose = true;
 489                         break;
 490                 case 't':
 491                         test_args = true;
 492                         break;
 493                 case 'L':
 494                         if (todo != 0) {
 495                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 496                                 exit(EXIT_PARSE_ERROR);
 497                         }
 498                         todo = LIST_QUOTA;
 499                         break;
 500
 501                 case 'F':
 502                         if (todo != 0) {
 503                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 504                                 exit(EXIT_PARSE_ERROR);
 505                         }
 506                         todo = FS_QUOTA;
 507                         break;
 508
 509                 case 'u':
 510                         if (todo != 0) {
 511                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 512                                 exit(EXIT_PARSE_ERROR);
 513                         }
 514                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 515                         if (!username_str) {
 516                                 exit(EXIT_PARSE_ERROR);
 517                         }
 518                         todo = USER_QUOTA;
 519                         fix_user = True;
 520                         break;
 521
 522                 case 'S':
 523                         if (todo != 0) {
 524                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 525                                 exit(EXIT_PARSE_ERROR);
 526                         }
 527                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 528                         if (!set_str) {
 529                                 exit(EXIT_PARSE_ERROR);
 530                         }
 531                         todo = SET_QUOTA;
 532                         break;
 533                 }
 534         }
 535
 536         if (todo == 0)
 537                 todo = USER_QUOTA;
 538
 539         if (!fix_user) {
 540                 username_str = talloc_strdup(frame, get_cmdline_auth_info_username());
 541                 if (!username_str) {
 542                         exit(EXIT_PARSE_ERROR);
 543                 }
 544         }
 545
 546         /* Make connection to server */
 547         if(!poptPeekArg(pc)) {
 548                 poptPrintUsage(pc, stderr, 0);
 549                 exit(EXIT_PARSE_ERROR);
 550         }
 551
 552         path = talloc_strdup(frame, poptGetArg(pc));
 553         if (!path) {
 554                 printf("Out of memory\n");
 555                 exit(EXIT_PARSE_ERROR);
 556         }
 557
 558         string_replace(path, '/', '\\');
 559
 560         server = SMB_STRDUP(path+2);
 561         if (!server) {
 562                 printf("Out of memory\n");
 563                 exit(EXIT_PARSE_ERROR);
 564         }
 565         share = strchr_m(server,'\\');
 566         if (!share) {
 567                 printf("Invalid argument: %s\n", share);
 568                 exit(EXIT_PARSE_ERROR);
 569         }
 570
 571         *share = 0;
 572         share++;
 573
 574         if (todo == SET_QUOTA) {
 575                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 576                         printf("Invalid argument: -S %s\n", set_str);
 577                         exit(EXIT_PARSE_ERROR);
 578                 }
 579         }
 580
 581         if (!test_args) {
 582                 cli = connect_one(share);
 583                 if (!cli) {
 584                         exit(EXIT_FAILED);
 585                 }
 586         } else {
 587                 exit(EXIT_OK);
 588         }
 589
 590
 591         /* Perform requested action */
 592
 593         switch (todo) {
 594                 case FS_QUOTA:
 595                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 596                         break;
 597                 case LIST_QUOTA:
 598                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 599                         break;
 600                 case USER_QUOTA:
 601                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 602                         break;
 603                 case SET_QUOTA:
 604                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 605                         break;
 606                 default:
 607
 608                         result = EXIT_FAILED;
 609                         break;
 610         }
 611
 612         talloc_free(frame);
 613
 614         return result;
 615 }