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
 113 /* convert a string to a SID, either numeric or username/group */
 114 static bool StringToSid(struct dom_sid *sid, const char *str)
 115 {
 116         enum lsa_SidType *types = NULL;
 117         struct dom_sid *sids = NULL;
 118         bool result = True;
 119
 120         if (strncmp(str, "S-", 2) == 0) {
 121                 return string_to_sid(sid, str);
 122         }
 123
 124         if (!cli_open_policy_hnd() ||
 125             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 126                                                   &pol, 1, &str, NULL, 1, &sids,
 127                                                   &types))) {
 128                 result = False;
 129                 goto done;
 130         }
 131
 132         sid_copy(sid, &sids[0]);
 133  done:
 134
 135         return result;
 136 }
 137
 138 #define QUOTA_GET 1
 139 #define QUOTA_SETLIM 2
 140 #define QUOTA_SETFLAGS 3
 141 #define QUOTA_LIST 4
 142
 143 enum {PARSE_FLAGS,PARSE_LIM};
 144
 145 static int parse_quota_set(TALLOC_CTX *ctx,
 146                         char *set_str,
 147                         char **pp_username_str,
 148                         enum SMB_QUOTA_TYPE *qtype,
 149                         int *cmd,
 150                         SMB_NTQUOTA_STRUCT *pqt)
 151 {
 152         char *p = set_str,*p2;
 153         int todo;
 154         bool stop = False;
 155         bool enable = False;
 156         bool deny = False;
 157
 158         *pp_username_str = NULL;
 159         if (strnequal(set_str,"UQLIM:",6)) {
 160                 p += 6;
 161                 *qtype = SMB_USER_QUOTA_TYPE;
 162                 *cmd = QUOTA_SETLIM;
 163                 todo = PARSE_LIM;
 164                 if ((p2=strstr(p,":"))==NULL) {
 165                         return -1;
 166                 }
 167
 168                 *p2 = '\0';
 169                 p2++;
 170
 171                 *pp_username_str = talloc_strdup(ctx, p);
 172                 p = p2;
 173         } else if (strnequal(set_str,"FSQLIM:",7)) {
 174                 p +=7;
 175                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 176                 *cmd = QUOTA_SETLIM;
 177                 todo = PARSE_LIM;
 178         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 179                 p +=9;
 180                 todo = PARSE_FLAGS;
 181                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 182                 *cmd = QUOTA_SETFLAGS;
 183         } else {
 184                 return -1;
 185         }
 186
 187         switch (todo) {
 188                 case PARSE_LIM:
 189                         if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 190                                 return -1;
 191                         }
 192
 193                         break;
 194                 case PARSE_FLAGS:
 195                         while (!stop) {
 196
 197                                 if ((p2=strstr(p,"/"))==NULL) {
 198                                         stop = True;
 199                                 } else {
 200                                         *p2 = '\0';
 201                                         p2++;
 202                                 }
 203
 204                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 205                                         enable = True;
 206                                 } else if (strnequal(p,"DENY_DISK",9)) {
 207                                         deny = True;
 208                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 209                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 210                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 211                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 212                                 } else {
 213                                         return -1;
 214                                 }
 215
 216                                 p=p2;
 217                         }
 218
 219                         if (deny) {
 220                                 pqt->qflags |= QUOTAS_DENY_DISK;
 221                         } else if (enable) {
 222                                 pqt->qflags |= QUOTAS_ENABLED;
 223                         }
 224
 225                         break;
 226         }
 227
 228         return 0;
 229 }
 230
 231 static int do_quota(struct cli_state *cli,
 232                 enum SMB_QUOTA_TYPE qtype,
 233                 uint16 cmd,
 234                 const char *username_str,
 235                 SMB_NTQUOTA_STRUCT *pqt)
 236 {
 237         uint32 fs_attrs = 0;
 238         uint16_t quota_fnum = 0;
 239         SMB_NTQUOTA_LIST *qtl = NULL;
 240         SMB_NTQUOTA_STRUCT qt;
 241         ZERO_STRUCT(qt);
 242
 243         if (!NT_STATUS_IS_OK(cli_get_fs_attr_info(cli, &fs_attrs))) {
 244                 d_printf("Failed to get the filesystem attributes %s.\n",
 245                         cli_errstr(cli));
 246                 return -1;
 247         }
 248
 249         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 250                 d_printf("Quotas are not supported by the server.\n");
 251                 return 0;
 252         }
 253
 254         if (!NT_STATUS_IS_OK(cli_get_quota_handle(cli, &quota_fnum))) {
 255                 d_printf("Quotas are not enabled on this share.\n");
 256                 d_printf("Failed to open %s  %s.\n",
 257                         FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
 258                 return -1;
 259         }
 260
 261         switch(qtype) {
 262                 case SMB_USER_QUOTA_TYPE:
 263                         if (!StringToSid(&qt.sid, username_str)) {
 264                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 265                                 return -1;
 266                         }
 267
 268                         switch(cmd) {
 269                                 case QUOTA_GET:
 270                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 271                                                 d_printf("%s cli_get_user_quota %s\n",
 272                                                          cli_errstr(cli),username_str);
 273                                                 return -1;
 274                                         }
 275                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 276                                         break;
 277                                 case QUOTA_SETLIM:
 278                                         pqt->sid = qt.sid;
 279                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 280                                                 d_printf("%s cli_set_user_quota %s\n",
 281                                                          cli_errstr(cli),username_str);
 282                                                 return -1;
 283                                         }
 284                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 285                                                 d_printf("%s cli_get_user_quota %s\n",
 286                                                          cli_errstr(cli),username_str);
 287                                                 return -1;
 288                                         }
 289                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 290                                         break;
 291                                 case QUOTA_LIST:
 292                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 293                                                 d_printf("%s cli_set_user_quota %s\n",
 294                                                          cli_errstr(cli),username_str);
 295                                                 return -1;
 296                                         }
 297                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 298                                         free_ntquota_list(&qtl);
 299                                         break;
 300                                 default:
 301                                         d_printf("Unknown Error\n");
 302                                         return -1;
 303                         }
 304                         break;
 305                 case SMB_USER_FS_QUOTA_TYPE:
 306                         switch(cmd) {
 307                                 case QUOTA_GET:
 308                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 309                                                 d_printf("%s cli_get_fs_quota_info\n",
 310                                                          cli_errstr(cli));
 311                                                 return -1;
 312                                         }
 313                                         dump_ntquota(&qt,True,numeric,NULL);
 314                                         break;
 315                                 case QUOTA_SETLIM:
 316                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 317                                                 d_printf("%s cli_get_fs_quota_info\n",
 318                                                          cli_errstr(cli));
 319                                                 return -1;
 320                                         }
 321                                         qt.softlim = pqt->softlim;
 322                                         qt.hardlim = pqt->hardlim;
 323                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 324                                                 d_printf("%s cli_set_fs_quota_info\n",
 325                                                          cli_errstr(cli));
 326                                                 return -1;
 327                                         }
 328                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 329                                                 d_printf("%s cli_get_fs_quota_info\n",
 330                                                          cli_errstr(cli));
 331                                                 return -1;
 332                                         }
 333                                         dump_ntquota(&qt,True,numeric,NULL);
 334                                         break;
 335                                 case QUOTA_SETFLAGS:
 336                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 337                                                 d_printf("%s cli_get_fs_quota_info\n",
 338                                                          cli_errstr(cli));
 339                                                 return -1;
 340                                         }
 341                                         qt.qflags = pqt->qflags;
 342                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 343                                                 d_printf("%s cli_set_fs_quota_info\n",
 344                                                          cli_errstr(cli));
 345                                                 return -1;
 346                                         }
 347                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 348                                                 d_printf("%s cli_get_fs_quota_info\n",
 349                                                          cli_errstr(cli));
 350                                                 return -1;
 351                                         }
 352                                         dump_ntquota(&qt,True,numeric,NULL);
 353                                         break;
 354                                 default:
 355                                         d_printf("Unknown Error\n");
 356                                         return -1;
 357                         }
 358                         break;
 359                 default:
 360                         d_printf("Unknown Error\n");
 361                         return -1;
 362         }
 363
 364         cli_close(cli, quota_fnum);
 365
 366         return 0;
 367 }
 368
 369 /*****************************************************
 370  Return a connection to a server.
 371 *******************************************************/
 372
 373 static struct cli_state *connect_one(const char *share)
 374 {
 375         struct cli_state *c;
 376         struct sockaddr_storage ss;
 377         NTSTATUS nt_status;
 378         uint32_t flags = 0;
 379
 380         zero_sockaddr(&ss);
 381
 382         if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
 383             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 384                 return NULL;
 385         }
 386
 387         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 388                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 389                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 390
 391         }
 392
 393         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 394
 395         nt_status = cli_full_connection(&c, global_myname(), server,
 396                                             &ss, 0,
 397                                             share, "?????",
 398                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 399                                             lp_workgroup(),
 400                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 401                                             flags,
 402                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info),
 403                                             NULL);
 404         if (!NT_STATUS_IS_OK(nt_status)) {
 405                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 406                 return NULL;
 407         }
 408
 409         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 410                 nt_status = cli_cm_force_encryption(c,
 411                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 412                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 413                                         lp_workgroup(),
 414                                         share);
 415                 if (!NT_STATUS_IS_OK(nt_status)) {
 416                         cli_shutdown(c);
 417                         return NULL;
 418                 }
 419         }
 420
 421         return c;
 422 }
 423
 424 /****************************************************************************
 425   main program
 426 ****************************************************************************/
 427  int main(int argc, const char *argv[])
 428 {
 429         char *share;
 430         int opt;
 431         int result;
 432         int todo = 0;
 433         char *username_str = NULL;
 434         char *path = NULL;
 435         char *set_str = NULL;
 436         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 437         int cmd = 0;
 438         static bool test_args = False;
 439         struct cli_state *cli;
 440         bool fix_user = False;
 441         SMB_NTQUOTA_STRUCT qt;
 442         TALLOC_CTX *frame = talloc_stackframe();
 443         poptContext pc;
 444         struct poptOption long_options[] = {
 445                 POPT_AUTOHELP
 446                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 447                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 448                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 449                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 450 SETSTRING:\n\
 451 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 452 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 453 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 454                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 455                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 456                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 457                 POPT_COMMON_SAMBA
 458                 POPT_COMMON_CREDENTIALS
 459                 { NULL }
 460         };
 461
 462         load_case_tables();
 463
 464         ZERO_STRUCT(qt);
 465
 466         /* set default debug level to 1 regardless of what smb.conf sets */
 467         setup_logging( "smbcquotas", DEBUG_STDERR);
 468         lp_set_cmdline("log level", "1");
 469
 470         setlinebuf(stdout);
 471
 472         fault_setup(NULL);
 473
 474         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 475         load_interfaces();
 476
 477         smbcquotas_auth_info = user_auth_info_init(frame);
 478         if (smbcquotas_auth_info == NULL) {
 479                 exit(1);
 480         }
 481         popt_common_set_auth_info(smbcquotas_auth_info);
 482
 483         pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);
 484
 485         poptSetOtherOptionHelp(pc, "//server1/share1");
 486
 487         while ((opt = poptGetNextOpt(pc)) != -1) {
 488                 switch (opt) {
 489                 case 'n':
 490                         numeric = true;
 491                         break;
 492                 case 'v':
 493                         verbose = true;
 494                         break;
 495                 case 't':
 496                         test_args = true;
 497                         break;
 498                 case 'L':
 499                         if (todo != 0) {
 500                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 501                                 exit(EXIT_PARSE_ERROR);
 502                         }
 503                         todo = LIST_QUOTA;
 504                         break;
 505
 506                 case 'F':
 507                         if (todo != 0) {
 508                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 509                                 exit(EXIT_PARSE_ERROR);
 510                         }
 511                         todo = FS_QUOTA;
 512                         break;
 513
 514                 case 'u':
 515                         if (todo != 0) {
 516                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 517                                 exit(EXIT_PARSE_ERROR);
 518                         }
 519                         username_str = talloc_strdup(frame, poptGetOptArg(pc));
 520                         if (!username_str) {
 521                                 exit(EXIT_PARSE_ERROR);
 522                         }
 523                         todo = USER_QUOTA;
 524                         fix_user = True;
 525                         break;
 526
 527                 case 'S':
 528                         if (todo != 0) {
 529                                 d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
 530                                 exit(EXIT_PARSE_ERROR);
 531                         }
 532                         set_str = talloc_strdup(frame, poptGetOptArg(pc));
 533                         if (!set_str) {
 534                                 exit(EXIT_PARSE_ERROR);
 535                         }
 536                         todo = SET_QUOTA;
 537                         break;
 538                 }
 539         }
 540
 541         if (todo == 0)
 542                 todo = USER_QUOTA;
 543
 544         if (!fix_user) {
 545                 username_str = talloc_strdup(
 546                         frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
 547                 if (!username_str) {
 548                         exit(EXIT_PARSE_ERROR);
 549                 }
 550         }
 551
 552         /* Make connection to server */
 553         if(!poptPeekArg(pc)) {
 554                 poptPrintUsage(pc, stderr, 0);
 555                 exit(EXIT_PARSE_ERROR);
 556         }
 557
 558         path = talloc_strdup(frame, poptGetArg(pc));
 559         if (!path) {
 560                 printf("Out of memory\n");
 561                 exit(EXIT_PARSE_ERROR);
 562         }
 563
 564         string_replace(path, '/', '\\');
 565
 566         server = SMB_STRDUP(path+2);
 567         if (!server) {
 568                 printf("Out of memory\n");
 569                 exit(EXIT_PARSE_ERROR);
 570         }
 571         share = strchr_m(server,'\\');
 572         if (!share) {
 573                 printf("Invalid argument: %s\n", share);
 574                 exit(EXIT_PARSE_ERROR);
 575         }
 576
 577         *share = 0;
 578         share++;
 579
 580         if (todo == SET_QUOTA) {
 581                 if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
 582                         printf("Invalid argument: -S %s\n", set_str);
 583                         exit(EXIT_PARSE_ERROR);
 584                 }
 585         }
 586
 587         if (!test_args) {
 588                 cli = connect_one(share);
 589                 if (!cli) {
 590                         exit(EXIT_FAILED);
 591                 }
 592         } else {
 593                 exit(EXIT_OK);
 594         }
 595
 596
 597         /* Perform requested action */
 598
 599         switch (todo) {
 600                 case FS_QUOTA:
 601                         result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 602                         break;
 603                 case LIST_QUOTA:
 604                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
 605                         break;
 606                 case USER_QUOTA:
 607                         result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
 608                         break;
 609                 case SET_QUOTA:
 610                         result = do_quota(cli, qtype, cmd, username_str, &qt);
 611                         break;
 612                 default:
 613
 614                         result = EXIT_FAILED;
 615                         break;
 616         }
 617
 618         talloc_free(frame);
 619
 620         return result;
 621 }