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 "popt_common.h"
  26 #include "../librpc/gen_ndr/ndr_lsa.h"
  27 #include "rpc_client/cli_lsarpc.h"
  28 #include "fake_file.h"
  29 #include "../libcli/security/security.h"
  30
  31 static char *server;
  32
  33 /* numeric is set when the user wants numeric SIDs and ACEs rather
  34    than going via LSA calls to resolve them */
  35 static bool numeric;
  36 static bool verbose;
  37
  38 enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
  39 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  40
  41 static struct cli_state *cli_ipc;
  42 static struct rpc_pipe_client *global_pipe_hnd;
  43 static struct policy_handle pol;
  44 static bool got_policy_hnd;
  45 static struct user_auth_info *smbcquotas_auth_info;
  46
  47 static struct cli_state *connect_one(const char *share);
  48
  49 /* Open cli connection and policy handle */
  50
  51 static bool cli_open_policy_hnd(void)
  52 {
  53         /* Initialise cli LSA connection */
  54
  55         if (!cli_ipc) {
  56                 NTSTATUS ret;
  57                 cli_ipc = connect_one("IPC$");
  58                 ret = cli_rpc_pipe_open_noauth(cli_ipc,
  59                                                &ndr_table_lsarpc.syntax_id,
  60                                                &global_pipe_hnd);
  61                 if (!NT_STATUS_IS_OK(ret)) {
  62                                 return False;
  63                 }
  64         }
  65
  66         /* Open policy handle */
  67
  68         if (!got_policy_hnd) {
  69
  70                 /* Some systems don't support SEC_FLAG_MAXIMUM_ALLOWED,
  71                    but NT sends 0x2000000 so we might as well do it too. */
  72
  73                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True,
  74                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  75                         return False;
  76                 }
  77
  78                 got_policy_hnd = True;
  79         }
  80
  81         return True;
  82 }
  83
  84 /* convert a SID to a string, either numeric or username/group */
  85 static void SidToString(fstring str, struct dom_sid *sid, bool _numeric)
  86 {
  87         char **domains = NULL;
  88         char **names = NULL;
  89         enum lsa_SidType *types = NULL;
  90
  91         sid_to_fstring(str, sid);
  92
  93         if (_numeric) return;
  94
  95         /* Ask LSA to convert the sid to a name */
  96
  97         if (!cli_open_policy_hnd() ||
  98             !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
  99                                                  &pol, 1, sid, &domains,
 100                                                  &names, &types)) ||
 101             !domains || !domains[0] || !names || !names[0]) {
 102                 return;
 103         }
 104
 105         /* Converted OK */
 106
 107         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 108                  domains[0], lp_winbind_separator(),
 109                  names[0]);
 110 }
 111
 112 /* convert a string to a SID, either numeric or username/group */
 113 static bool StringToSid(struct dom_sid *sid, const char *str)
 114 {
 115         enum lsa_SidType *types = NULL;
 116         struct dom_sid *sids = NULL;
 117         bool result = True;
 118
 119         if (string_to_sid(sid, str)) {
 120                 return true;
 121         }
 122
 123         if (!cli_open_policy_hnd() ||
 124             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 125                                                   &pol, 1, &str, NULL, 1, &sids,
 126                                                   &types))) {
 127                 result = False;
 128                 goto done;
 129         }
 130
 131         sid_copy(sid, &sids[0]);
 132  done:
 133
 134         return result;
 135 }
 136
 137 #define QUOTA_GET 1
 138 #define QUOTA_SETLIM 2
 139 #define QUOTA_SETFLAGS 3
 140 #define QUOTA_LIST 4
 141
 142 enum {PARSE_FLAGS,PARSE_LIM};
 143
 144 static int parse_quota_set(TALLOC_CTX *ctx,
 145                         char *set_str,
 146                         char **pp_username_str,
 147                         enum SMB_QUOTA_TYPE *qtype,
 148                         int *cmd,
 149                         SMB_NTQUOTA_STRUCT *pqt)
 150 {
 151         char *p = set_str,*p2;
 152         int todo;
 153         bool stop = False;
 154         bool enable = False;
 155         bool deny = False;
 156
 157         *pp_username_str = NULL;
 158         if (strnequal(set_str,"UQLIM:",6)) {
 159                 p += 6;
 160                 *qtype = SMB_USER_QUOTA_TYPE;
 161                 *cmd = QUOTA_SETLIM;
 162                 todo = PARSE_LIM;
 163                 if ((p2=strstr(p,":"))==NULL) {
 164                         return -1;
 165                 }
 166
 167                 *p2 = '\0';
 168                 p2++;
 169
 170                 *pp_username_str = talloc_strdup(ctx, p);
 171                 p = p2;
 172         } else if (strnequal(set_str,"FSQLIM:",7)) {
 173                 p +=7;
 174                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 175                 *cmd = QUOTA_SETLIM;
 176                 todo = PARSE_LIM;
 177         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 178                 p +=9;
 179                 todo = PARSE_FLAGS;
 180                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 181                 *cmd = QUOTA_SETFLAGS;
 182         } else {
 183                 return -1;
 184         }
 185
 186         switch (todo) {
 187                 case PARSE_LIM:
 188                         if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 189                                 return -1;
 190                         }
 191
 192                         break;
 193                 case PARSE_FLAGS:
 194                         while (!stop) {
 195
 196                                 if ((p2=strstr(p,"/"))==NULL) {
 197                                         stop = True;
 198                                 } else {
 199                                         *p2 = '\0';
 200                                         p2++;
 201                                 }
 202
 203                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 204                                         enable = True;
 205                                 } else if (strnequal(p,"DENY_DISK",9)) {
 206                                         deny = True;
 207                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 208                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 209                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 210                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 211                                 } else {
 212                                         return -1;
 213                                 }
 214
 215                                 p=p2;
 216                         }
 217
 218                         if (deny) {
 219                                 pqt->qflags |= QUOTAS_DENY_DISK;
 220                         } else if (enable) {
 221                                 pqt->qflags |= QUOTAS_ENABLED;
 222                         }
 223
 224                         break;
 225         }
 226
 227         return 0;
 228 }
 229
 230 static int do_quota(struct cli_state *cli,
 231                 enum SMB_QUOTA_TYPE qtype,
 232                 uint16 cmd,
 233                 const char *username_str,
 234                 SMB_NTQUOTA_STRUCT *pqt)
 235 {
 236         uint32 fs_attrs = 0;
 237         uint16_t quota_fnum = 0;
 238         SMB_NTQUOTA_LIST *qtl = NULL;
 239         SMB_NTQUOTA_STRUCT qt;
 240         NTSTATUS status;
 241
 242         ZERO_STRUCT(qt);
 243
 244         status = cli_get_fs_attr_info(cli, &fs_attrs);
 245         if (!NT_STATUS_IS_OK(status)) {
 246                 d_printf("Failed to get the filesystem attributes %s.\n",
 247                          nt_errstr(status));
 248                 return -1;
 249         }
 250
 251         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 252                 d_printf("Quotas are not supported by the server.\n");
 253                 return 0;
 254         }
 255
 256         status = cli_get_quota_handle(cli, &quota_fnum);
 257         if (!NT_STATUS_IS_OK(status)) {
 258                 d_printf("Quotas are not enabled on this share.\n");
 259                 d_printf("Failed to open %s  %s.\n",
 260                          FAKE_FILE_NAME_QUOTA_WIN32,
 261                          nt_errstr(status));
 262                 return -1;
 263         }
 264
 265         switch(qtype) {
 266                 case SMB_USER_QUOTA_TYPE:
 267                         if (!StringToSid(&qt.sid, username_str)) {
 268                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 269                                 return -1;
 270                         }
 271
 272                         switch(cmd) {
 273                                 case QUOTA_GET:
 274                                         status = cli_get_user_quota(
 275                                                 cli, quota_fnum, &qt);
 276                                         if (!NT_STATUS_IS_OK(status)) {
 277                                                 d_printf("%s cli_get_user_quota %s\n",
 278                                                          nt_errstr(status),
 279                                                          username_str);
 280                                                 return -1;
 281                                         }
 282                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 283                                         break;
 284                                 case QUOTA_SETLIM:
 285                                         pqt->sid = qt.sid;
 286                                         status = cli_set_user_quota(
 287                                                 cli, quota_fnum, pqt);
 288                                         if (!NT_STATUS_IS_OK(status)) {
 289                                                 d_printf("%s cli_set_user_quota %s\n",
 290                                                          nt_errstr(status),
 291                                                          username_str);
 292                                                 return -1;
 293                                         }
 294                                         status = cli_get_user_quota(
 295                                                 cli, quota_fnum, &qt);
 296                                         if (!NT_STATUS_IS_OK(status)) {
 297                                                 d_printf("%s cli_get_user_quota %s\n",
 298                                                          nt_errstr(status),
 299                                                          username_str);
 300                                                 return -1;
 301                                         }
 302                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 303                                         break;
 304                                 case QUOTA_LIST:
 305                                         status = cli_list_user_quota(
 306                                                 cli, quota_fnum, &qtl);
 307                                         if (!NT_STATUS_IS_OK(status)) {
 308                                                 d_printf("%s cli_set_user_quota %s\n",
 309                                                          nt_errstr(status),
 310                                                          username_str);
 311                                                 return -1;
 312                                         }
 313                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 314                                         free_ntquota_list(&qtl);
 315                                         break;
 316                                 default:
 317                                         d_printf("Unknown Error\n");
 318                                         return -1;
 319                         }
 320                         break;
 321                 case SMB_USER_FS_QUOTA_TYPE:
 322                         switch(cmd) {
 323                                 case QUOTA_GET:
 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_SETLIM:
 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.softlim = pqt->softlim;
 338                                         qt.hardlim = pqt->hardlim;
 339                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 340                                                 d_printf("%s cli_set_fs_quota_info\n",
 341                                                          cli_errstr(cli));
 342                                                 return -1;
 343                                         }
 344                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 345                                                 d_printf("%s cli_get_fs_quota_info\n",
 346                                                          cli_errstr(cli));
 347                                                 return -1;
 348                                         }
 349                                         dump_ntquota(&qt,True,numeric,NULL);
 350                                         break;
 351                                 case QUOTA_SETFLAGS:
 352                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 353                                                 d_printf("%s cli_get_fs_quota_info\n",
 354                                                          cli_errstr(cli));
 355                                                 return -1;
 356                                         }
 357                                         qt.qflags = pqt->qflags;
 358                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 359                                                 d_printf("%s cli_set_fs_quota_info\n",
 360                                                          cli_errstr(cli));
 361                                                 return -1;
 362                                         }
 363                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 364                                                 d_printf("%s cli_get_fs_quota_info\n",
 365                                                          cli_errstr(cli));
 366                                                 return -1;
 367                                         }
 368                                         dump_ntquota(&qt,True,numeric,NULL);
 369                                         break;
 370                                 default:
 371                                         d_printf("Unknown Error\n");
 372                                         return -1;
 373                         }
 374                         break;
 375                 default:
 376                         d_printf("Unknown Error\n");
 377                         return -1;
 378         }
 379
 380         cli_close(cli, quota_fnum);
 381
 382         return 0;
 383 }
 384
 385 /*****************************************************
 386  Return a connection to a server.
 387 *******************************************************/
 388
 389 static struct cli_state *connect_one(const char *share)
 390 {
 391         struct cli_state *c;
 392         struct sockaddr_storage ss;
 393         NTSTATUS nt_status;
 394         uint32_t flags = 0;
 395
 396         zero_sockaddr(&ss);
 397
 398         if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
 399             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 400                 return NULL;
 401         }
 402
 403         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 404                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 405                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 406
 407         }
 408
 409         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 410
 411         nt_status = cli_full_connection(&c, global_myname(), server,
 412                                             &ss, 0,
 413                                             share, "?????",
 414                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 415                                             lp_workgroup(),
 416                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 417                                             flags,
 418                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info));
 419         if (!NT_STATUS_IS_OK(nt_status)) {
 420                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 421                 return NULL;
 422         }
 423
 424         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 425                 nt_status = cli_cm_force_encryption(c,
 426                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 427                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 428                                         lp_workgroup(),
 429                                         share);
 430                 if (!NT_STATUS_IS_OK(nt_status)) {
 431                         cli_shutdown(c);
 432                         return NULL;
 433                 }
 434         }
 435
 436         return c;
 437 }
 438
 439 /****************************************************************************
 440   main program
 441 ****************************************************************************/
 442  int main(int argc, const char *argv[])
 443 {
 444         char *share;
 445         int opt;
 446         int result;
 447         int todo = 0;
 448         char *username_str = NULL;
 449         char *path = NULL;
 450         char *set_str = NULL;
 451         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 452         int cmd = 0;
 453         static bool test_args = False;
 454         struct cli_state *cli;
 455         bool fix_user = False;
 456         SMB_NTQUOTA_STRUCT qt;
 457         TALLOC_CTX *frame = talloc_stackframe();
 458         poptContext pc;
 459         struct poptOption long_options[] = {
 460                 POPT_AUTOHELP
 461                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 462                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 463                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 464                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 465 SETSTRING:\n\
 466 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 467 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 468 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 469                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 470                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 471                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 472                 POPT_COMMON_SAMBA
 473                 POPT_COMMON_CREDENTIALS
 474                 { NULL }
 475         };
 476
 477         load_case_tables();
 478
 479         ZERO_STRUCT(qt);
 480
 481         /* set default debug level to 1 regardless of what smb.conf sets */
 482         setup_logging( "smbcquotas", DEBUG_STDERR);
 483         lp_set_cmdline("log level", "1");
 484
 485         setlinebuf(stdout);
 486
 487         fault_setup(NULL);
 488
 489         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 490         load_interfaces();
 491
 492         smbcquotas_auth_info = user_auth_info_init(frame);
 493         if (smbcquotas_auth_info == NULL) {
 494                 exit(1);
 495         }
 496         popt_common_set_auth_info(smbcquotas_auth_info);
 497
 498         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 499
 500         poptSetOtherOptionHelp(pc, "//server1/share1");
 501
 502         while ((opt = poptGetNextOpt(pc)) != -1) {
 503                 switch (opt) {
 504                 case 'n':
 505                         numeric = true;
 506                         break;
 507                 case 'v':
 508                         verbose = true;
 509                         break;
 510                 case 't':
 511                         test_args = true;
 512                         break;
 513                 case 'L':
 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                         todo = LIST_QUOTA;
 519                         break;
 520
 521                 case 'F':
 522                         if (todo != 0) {
 523                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 524                                 exit(EXIT_PARSE_ERROR);
 525                         }
 526                         todo = FS_QUOTA;
 527                         break;
 528
 529                 case 'u':
 530                         if (todo != 0) {
 531                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 532                                 exit(EXIT_PARSE_ERROR);
 533                         }
 534                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 535                         if (!username_str) {
 536                                 exit(EXIT_PARSE_ERROR);
 537                         }
 538                         todo = USER_QUOTA;
 539                         fix_user = True;
 540                         break;
 541
 542                 case 'S':
 543                         if (todo != 0) {
 544                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 545                                 exit(EXIT_PARSE_ERROR);
 546                         }
 547                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 548                         if (!set_str) {
 549                                 exit(EXIT_PARSE_ERROR);
 550                         }
 551                         todo = SET_QUOTA;
 552                         break;
 553                 }
 554         }
 555
 556         if (todo == 0)
 557                 todo = USER_QUOTA;
 558
 559         if (!fix_user) {
 560                 username_str = talloc_strdup(
 561                         frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
 562                 if (!username_str) {
 563                         exit(EXIT_PARSE_ERROR);
 564                 }
 565         }
 566
 567         /* Make connection to server */
 568         if(!poptPeekArg(pc)) {
 569                 poptPrintUsage(pc, stderr, 0);
 570                 exit(EXIT_PARSE_ERROR);
 571         }
 572
 573         path = talloc_strdup(frame, poptGetArg(pc));
 574         if (!path) {
 575                 printf("Out of memory\n");
 576                 exit(EXIT_PARSE_ERROR);
 577         }
 578
 579         string_replace(path, '/', '\\');
 580
 581         server = SMB_STRDUP(path+2);
 582         if (!server) {
 583                 printf("Out of memory\n");
 584                 exit(EXIT_PARSE_ERROR);
 585         }
 586         share = strchr_m(server,'\\');
 587         if (!share) {
 588                 printf("Invalid argument: %s\n", share);
 589                 exit(EXIT_PARSE_ERROR);
 590         }
 591
 592         *share = 0;
 593         share++;
 594
 595         if (todo == SET_QUOTA) {
 596                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 597                         printf("Invalid argument: -S %s\n", set_str);
 598                         exit(EXIT_PARSE_ERROR);
 599                 }
 600         }
 601
 602         if (!test_args) {
 603                 cli = connect_one(share);
 604                 if (!cli) {
 605                         exit(EXIT_FAILED);
 606                 }
 607         } else {
 608                 exit(EXIT_OK);
 609         }
 610
 611
 612         /* Perform requested action */
 613
 614         switch (todo) {
 615                 case FS_QUOTA:
 616                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 617                         break;
 618                 case LIST_QUOTA:
 619                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 620                         break;
 621                 case USER_QUOTA:
 622                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 623                         break;
 624                 case SET_QUOTA:
 625                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 626                         break;
 627                 default:
 628                         result = EXIT_FAILED;
 629                         break;
 630         }
 631
 632         talloc_free(frame);
 633
 634         return result;
 635 }