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 #include "../librpc/gen_ndr/ndr_lsa.h"
  26
  27 static char *server;
  28
  29 /* numeric is set when the user wants numeric SIDs and ACEs rather
  30    than going via LSA calls to resolve them */
  31 static bool numeric;
  32 static bool verbose;
  33
  34 enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
  35 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  36
  37 static struct cli_state *cli_ipc;
  38 static struct rpc_pipe_client *global_pipe_hnd;
  39 static struct policy_handle pol;
  40 static bool got_policy_hnd;
  41 static struct user_auth_info *smbcquotas_auth_info;
  42
  43 static struct cli_state *connect_one(const char *share);
  44
  45 /* Open cli connection and policy handle */
  46
  47 static bool cli_open_policy_hnd(void)
  48 {
  49         /* Initialise cli LSA connection */
  50
  51         if (!cli_ipc) {
  52                 NTSTATUS ret;
  53                 cli_ipc = connect_one("IPC$");
  54                 ret = cli_rpc_pipe_open_noauth(cli_ipc,
  55                                                &ndr_table_lsarpc.syntax_id,
  56                                                &global_pipe_hnd);
  57                 if (!NT_STATUS_IS_OK(ret)) {
  58                                 return False;
  59                 }
  60         }
  61
  62         /* Open policy handle */
  63
  64         if (!got_policy_hnd) {
  65
  66                 /* Some systems don't support SEC_FLAG_MAXIMUM_ALLOWED,
  67                    but NT sends 0x2000000 so we might as well do it too. */
  68
  69                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True,
  70                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  71                         return False;
  72                 }
  73
  74                 got_policy_hnd = True;
  75         }
  76
  77         return True;
  78 }
  79
  80 /* convert a SID to a string, either numeric or username/group */
  81 static void SidToString(fstring str, DOM_SID *sid, bool _numeric)
  82 {
  83         char **domains = NULL;
  84         char **names = NULL;
  85         enum lsa_SidType *types = NULL;
  86
  87         sid_to_fstring(str, sid);
  88
  89         if (_numeric) return;
  90
  91         /* Ask LSA to convert the sid to a name */
  92
  93         if (!cli_open_policy_hnd() ||
  94             !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
  95                                                  &pol, 1, sid, &domains,
  96                                                  &names, &types)) ||
  97             !domains || !domains[0] || !names || !names[0]) {
  98                 return;
  99         }
 100
 101         /* Converted OK */
 102
 103         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 104                  domains[0], lp_winbind_separator(),
 105                  names[0]);
 106
 107 }
 108
 109 /* convert a string to a SID, either numeric or username/group */
 110 static bool StringToSid(DOM_SID *sid, const char *str)
 111 {
 112         enum lsa_SidType *types = NULL;
 113         DOM_SID *sids = NULL;
 114         bool result = True;
 115
 116         if (strncmp(str, "S-", 2) == 0) {
 117                 return string_to_sid(sid, str);
 118         }
 119
 120         if (!cli_open_policy_hnd() ||
 121             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 122                                                   &pol, 1, &str, NULL, 1, &sids,
 123                                                   &types))) {
 124                 result = False;
 125                 goto done;
 126         }
 127
 128         sid_copy(sid, &sids[0]);
 129  done:
 130
 131         return result;
 132 }
 133
 134 #define QUOTA_GET 1
 135 #define QUOTA_SETLIM 2
 136 #define QUOTA_SETFLAGS 3
 137 #define QUOTA_LIST 4
 138
 139 enum {PARSE_FLAGS,PARSE_LIM};
 140
 141 static int parse_quota_set(TALLOC_CTX *ctx,
 142                         char *set_str,
 143                         char **pp_username_str,
 144                         enum SMB_QUOTA_TYPE *qtype,
 145                         int *cmd,
 146                         SMB_NTQUOTA_STRUCT *pqt)
 147 {
 148         char *p = set_str,*p2;
 149         int todo;
 150         bool stop = False;
 151         bool enable = False;
 152         bool deny = False;
 153
 154         *pp_username_str = NULL;
 155         if (strnequal(set_str,"UQLIM:",6)) {
 156                 p += 6;
 157                 *qtype = SMB_USER_QUOTA_TYPE;
 158                 *cmd = QUOTA_SETLIM;
 159                 todo = PARSE_LIM;
 160                 if ((p2=strstr(p,":"))==NULL) {
 161                         return -1;
 162                 }
 163
 164                 *p2 = '\0';
 165                 p2++;
 166
 167                 *pp_username_str = talloc_strdup(ctx, p);
 168                 p = p2;
 169         } else if (strnequal(set_str,"FSQLIM:",7)) {
 170                 p +=7;
 171                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 172                 *cmd = QUOTA_SETLIM;
 173                 todo = PARSE_LIM;
 174         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 175                 p +=9;
 176                 todo = PARSE_FLAGS;
 177                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 178                 *cmd = QUOTA_SETFLAGS;
 179         } else {
 180                 return -1;
 181         }
 182
 183         switch (todo) {
 184                 case PARSE_LIM:
 185                         if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 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         uint16_t quota_fnum = 0;
 235         SMB_NTQUOTA_LIST *qtl = NULL;
 236         SMB_NTQUOTA_STRUCT qt;
 237         ZERO_STRUCT(qt);
 238
 239         if (!NT_STATUS_IS_OK(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 (!NT_STATUS_IS_OK(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(smbcquotas_auth_info) &&
 379             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 380                 return NULL;
 381         }
 382
 383         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 384                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 385                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 386
 387         }
 388
 389         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 390
 391         nt_status = cli_full_connection(&c, global_myname(), server,
 392                                             &ss, 0,
 393                                             share, "?????",
 394                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 395                                             lp_workgroup(),
 396                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 397                                             flags,
 398                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info),
 399                                             NULL);
 400         if (!NT_STATUS_IS_OK(nt_status)) {
 401                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 402                 return NULL;
 403         }
 404
 405         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 406                 nt_status = cli_cm_force_encryption(c,
 407                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 408                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 409                                         lp_workgroup(),
 410                                         share);
 411                 if (!NT_STATUS_IS_OK(nt_status)) {
 412                         cli_shutdown(c);
 413                         return NULL;
 414                 }
 415         }
 416
 417         return c;
 418 }
 419
 420 /****************************************************************************
 421   main program
 422 ****************************************************************************/
 423  int main(int argc, const char *argv[])
 424 {
 425         char *share;
 426         int opt;
 427         int result;
 428         int todo = 0;
 429         char *username_str = NULL;
 430         char *path = NULL;
 431         char *set_str = NULL;
 432         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 433         int cmd = 0;
 434         static bool test_args = False;
 435         struct cli_state *cli;
 436         bool fix_user = False;
 437         SMB_NTQUOTA_STRUCT qt;
 438         TALLOC_CTX *frame = talloc_stackframe();
 439         poptContext pc;
 440         struct poptOption long_options[] = {
 441                 POPT_AUTOHELP
 442                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 443                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 444                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 445                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 446 SETSTRING:\n\
 447 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 448 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 449 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 450                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 451                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 452                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 453                 POPT_COMMON_SAMBA
 454                 POPT_COMMON_CREDENTIALS
 455                 { NULL }
 456         };
 457
 458         load_case_tables();
 459
 460         ZERO_STRUCT(qt);
 461
 462         /* set default debug level to 1 regardless of what smb.conf sets */
 463         setup_logging( "smbcquotas", True );
 464         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 465         dbf = x_stderr;
 466         x_setbuf( x_stderr, NULL );
 467
 468         setlinebuf(stdout);
 469
 470         fault_setup(NULL);
 471
 472         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 473         load_interfaces();
 474
 475         smbcquotas_auth_info = user_auth_info_init(frame);
 476         if (smbcquotas_auth_info == NULL) {
 477                 exit(1);
 478         }
 479         popt_common_set_auth_info(smbcquotas_auth_info);
 480
 481         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 482
 483         poptSetOtherOptionHelp(pc, "//server1/share1");
 484
 485         while ((opt = poptGetNextOpt(pc)) != -1) {
 486                 switch (opt) {
 487                 case 'n':
 488                         numeric = true;
 489                         break;
 490                 case 'v':
 491                         verbose = true;
 492                         break;
 493                 case 't':
 494                         test_args = true;
 495                         break;
 496                 case 'L':
 497                         if (todo != 0) {
 498                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 499                                 exit(EXIT_PARSE_ERROR);
 500                         }
 501                         todo = LIST_QUOTA;
 502                         break;
 503
 504                 case 'F':
 505                         if (todo != 0) {
 506                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 507                                 exit(EXIT_PARSE_ERROR);
 508                         }
 509                         todo = FS_QUOTA;
 510                         break;
 511
 512                 case 'u':
 513                         if (todo != 0) {
 514                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 515                                 exit(EXIT_PARSE_ERROR);
 516                         }
 517                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 518                         if (!username_str) {
 519                                 exit(EXIT_PARSE_ERROR);
 520                         }
 521                         todo = USER_QUOTA;
 522                         fix_user = True;
 523                         break;
 524
 525                 case 'S':
 526                         if (todo != 0) {
 527                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 528                                 exit(EXIT_PARSE_ERROR);
 529                         }
 530                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 531                         if (!set_str) {
 532                                 exit(EXIT_PARSE_ERROR);
 533                         }
 534                         todo = SET_QUOTA;
 535                         break;
 536                 }
 537         }
 538
 539         if (todo == 0)
 540                 todo = USER_QUOTA;
 541
 542         if (!fix_user) {
 543                 username_str = talloc_strdup(
 544                         frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
 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 }