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                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 287                                                 d_printf("%s cli_set_user_quota %s\n",
 288                                                          cli_errstr(cli),username_str);
 289                                                 return -1;
 290                                         }
 291                                         status = cli_get_user_quota(
 292                                                 cli, quota_fnum, &qt);
 293                                         if (!NT_STATUS_IS_OK(status)) {
 294                                                 d_printf("%s cli_get_user_quota %s\n",
 295                                                          nt_errstr(status),
 296                                                          username_str);
 297                                                 return -1;
 298                                         }
 299                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 300                                         break;
 301                                 case QUOTA_LIST:
 302                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 303                                                 d_printf("%s cli_set_user_quota %s\n",
 304                                                          cli_errstr(cli),username_str);
 305                                                 return -1;
 306                                         }
 307                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 308                                         free_ntquota_list(&qtl);
 309                                         break;
 310                                 default:
 311                                         d_printf("Unknown Error\n");
 312                                         return -1;
 313                         }
 314                         break;
 315                 case SMB_USER_FS_QUOTA_TYPE:
 316                         switch(cmd) {
 317                                 case QUOTA_GET:
 318                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 319                                                 d_printf("%s cli_get_fs_quota_info\n",
 320                                                          cli_errstr(cli));
 321                                                 return -1;
 322                                         }
 323                                         dump_ntquota(&qt,True,numeric,NULL);
 324                                         break;
 325                                 case QUOTA_SETLIM:
 326                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 327                                                 d_printf("%s cli_get_fs_quota_info\n",
 328                                                          cli_errstr(cli));
 329                                                 return -1;
 330                                         }
 331                                         qt.softlim = pqt->softlim;
 332                                         qt.hardlim = pqt->hardlim;
 333                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 334                                                 d_printf("%s cli_set_fs_quota_info\n",
 335                                                          cli_errstr(cli));
 336                                                 return -1;
 337                                         }
 338                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 339                                                 d_printf("%s cli_get_fs_quota_info\n",
 340                                                          cli_errstr(cli));
 341                                                 return -1;
 342                                         }
 343                                         dump_ntquota(&qt,True,numeric,NULL);
 344                                         break;
 345                                 case QUOTA_SETFLAGS:
 346                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 347                                                 d_printf("%s cli_get_fs_quota_info\n",
 348                                                          cli_errstr(cli));
 349                                                 return -1;
 350                                         }
 351                                         qt.qflags = pqt->qflags;
 352                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 353                                                 d_printf("%s cli_set_fs_quota_info\n",
 354                                                          cli_errstr(cli));
 355                                                 return -1;
 356                                         }
 357                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 358                                                 d_printf("%s cli_get_fs_quota_info\n",
 359                                                          cli_errstr(cli));
 360                                                 return -1;
 361                                         }
 362                                         dump_ntquota(&qt,True,numeric,NULL);
 363                                         break;
 364                                 default:
 365                                         d_printf("Unknown Error\n");
 366                                         return -1;
 367                         }
 368                         break;
 369                 default:
 370                         d_printf("Unknown Error\n");
 371                         return -1;
 372         }
 373
 374         cli_close(cli, quota_fnum);
 375
 376         return 0;
 377 }
 378
 379 /*****************************************************
 380  Return a connection to a server.
 381 *******************************************************/
 382
 383 static struct cli_state *connect_one(const char *share)
 384 {
 385         struct cli_state *c;
 386         struct sockaddr_storage ss;
 387         NTSTATUS nt_status;
 388         uint32_t flags = 0;
 389
 390         zero_sockaddr(&ss);
 391
 392         if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
 393             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 394                 return NULL;
 395         }
 396
 397         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 398                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 399                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 400
 401         }
 402
 403         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 404
 405         nt_status = cli_full_connection(&c, global_myname(), server,
 406                                             &ss, 0,
 407                                             share, "?????",
 408                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 409                                             lp_workgroup(),
 410                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 411                                             flags,
 412                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info));
 413         if (!NT_STATUS_IS_OK(nt_status)) {
 414                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 415                 return NULL;
 416         }
 417
 418         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 419                 nt_status = cli_cm_force_encryption(c,
 420                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 421                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 422                                         lp_workgroup(),
 423                                         share);
 424                 if (!NT_STATUS_IS_OK(nt_status)) {
 425                         cli_shutdown(c);
 426                         return NULL;
 427                 }
 428         }
 429
 430         return c;
 431 }
 432
 433 /****************************************************************************
 434   main program
 435 ****************************************************************************/
 436  int main(int argc, const char *argv[])
 437 {
 438         char *share;
 439         int opt;
 440         int result;
 441         int todo = 0;
 442         char *username_str = NULL;
 443         char *path = NULL;
 444         char *set_str = NULL;
 445         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 446         int cmd = 0;
 447         static bool test_args = False;
 448         struct cli_state *cli;
 449         bool fix_user = False;
 450         SMB_NTQUOTA_STRUCT qt;
 451         TALLOC_CTX *frame = talloc_stackframe();
 452         poptContext pc;
 453         struct poptOption long_options[] = {
 454                 POPT_AUTOHELP
 455                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 456                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 457                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 458                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 459 SETSTRING:\n\
 460 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 461 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 462 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 463                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 464                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 465                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 466                 POPT_COMMON_SAMBA
 467                 POPT_COMMON_CREDENTIALS
 468                 { NULL }
 469         };
 470
 471         load_case_tables();
 472
 473         ZERO_STRUCT(qt);
 474
 475         /* set default debug level to 1 regardless of what smb.conf sets */
 476         setup_logging( "smbcquotas", DEBUG_STDERR);
 477         lp_set_cmdline("log level", "1");
 478
 479         setlinebuf(stdout);
 480
 481         fault_setup(NULL);
 482
 483         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 484         load_interfaces();
 485
 486         smbcquotas_auth_info = user_auth_info_init(frame);
 487         if (smbcquotas_auth_info == NULL) {
 488                 exit(1);
 489         }
 490         popt_common_set_auth_info(smbcquotas_auth_info);
 491
 492         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 493
 494         poptSetOtherOptionHelp(pc, "//server1/share1");
 495
 496         while ((opt = poptGetNextOpt(pc)) != -1) {
 497                 switch (opt) {
 498                 case 'n':
 499                         numeric = true;
 500                         break;
 501                 case 'v':
 502                         verbose = true;
 503                         break;
 504                 case 't':
 505                         test_args = true;
 506                         break;
 507                 case 'L':
 508                         if (todo != 0) {
 509                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 510                                 exit(EXIT_PARSE_ERROR);
 511                         }
 512                         todo = LIST_QUOTA;
 513                         break;
 514
 515                 case 'F':
 516                         if (todo != 0) {
 517                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 518                                 exit(EXIT_PARSE_ERROR);
 519                         }
 520                         todo = FS_QUOTA;
 521                         break;
 522
 523                 case 'u':
 524                         if (todo != 0) {
 525                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 526                                 exit(EXIT_PARSE_ERROR);
 527                         }
 528                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 529                         if (!username_str) {
 530                                 exit(EXIT_PARSE_ERROR);
 531                         }
 532                         todo = USER_QUOTA;
 533                         fix_user = True;
 534                         break;
 535
 536                 case 'S':
 537                         if (todo != 0) {
 538                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 539                                 exit(EXIT_PARSE_ERROR);
 540                         }
 541                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 542                         if (!set_str) {
 543                                 exit(EXIT_PARSE_ERROR);
 544                         }
 545                         todo = SET_QUOTA;
 546                         break;
 547                 }
 548         }
 549
 550         if (todo == 0)
 551                 todo = USER_QUOTA;
 552
 553         if (!fix_user) {
 554                 username_str = talloc_strdup(
 555                         frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
 556                 if (!username_str) {
 557                         exit(EXIT_PARSE_ERROR);
 558                 }
 559         }
 560
 561         /* Make connection to server */
 562         if(!poptPeekArg(pc)) {
 563                 poptPrintUsage(pc, stderr, 0);
 564                 exit(EXIT_PARSE_ERROR);
 565         }
 566
 567         path = talloc_strdup(frame, poptGetArg(pc));
 568         if (!path) {
 569                 printf("Out of memory\n");
 570                 exit(EXIT_PARSE_ERROR);
 571         }
 572
 573         string_replace(path, '/', '\\');
 574
 575         server = SMB_STRDUP(path+2);
 576         if (!server) {
 577                 printf("Out of memory\n");
 578                 exit(EXIT_PARSE_ERROR);
 579         }
 580         share = strchr_m(server,'\\');
 581         if (!share) {
 582                 printf("Invalid argument: %s\n", share);
 583                 exit(EXIT_PARSE_ERROR);
 584         }
 585
 586         *share = 0;
 587         share++;
 588
 589         if (todo == SET_QUOTA) {
 590                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 591                         printf("Invalid argument: -S %s\n", set_str);
 592                         exit(EXIT_PARSE_ERROR);
 593                 }
 594         }
 595
 596         if (!test_args) {
 597                 cli = connect_one(share);
 598                 if (!cli) {
 599                         exit(EXIT_FAILED);
 600                 }
 601         } else {
 602                 exit(EXIT_OK);
 603         }
 604
 605
 606         /* Perform requested action */
 607
 608         switch (todo) {
 609                 case FS_QUOTA:
 610                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 611                         break;
 612                 case LIST_QUOTA:
 613                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 614                         break;
 615                 case USER_QUOTA:
 616                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 617                         break;
 618                 case SET_QUOTA:
 619                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 620                         break;
 621                 default:
 622                         result = EXIT_FAILED;
 623                         break;
 624         }
 625
 626         talloc_free(frame);
 627
 628         return result;
 629 }