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
  29 static char *server;
  30
  31 /* numeric is set when the user wants numeric SIDs and ACEs rather
  32    than going via LSA calls to resolve them */
  33 static bool numeric;
  34 static bool verbose;
  35
  36 enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
  37 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  38
  39 static struct cli_state *cli_ipc;
  40 static struct rpc_pipe_client *global_pipe_hnd;
  41 static struct policy_handle pol;
  42 static bool got_policy_hnd;
  43 static struct user_auth_info *smbcquotas_auth_info;
  44
  45 static struct cli_state *connect_one(const char *share);
  46
  47 /* Open cli connection and policy handle */
  48
  49 static bool cli_open_policy_hnd(void)
  50 {
  51         /* Initialise cli LSA connection */
  52
  53         if (!cli_ipc) {
  54                 NTSTATUS ret;
  55                 cli_ipc = connect_one("IPC$");
  56                 ret = cli_rpc_pipe_open_noauth(cli_ipc,
  57                                                &ndr_table_lsarpc.syntax_id,
  58                                                &global_pipe_hnd);
  59                 if (!NT_STATUS_IS_OK(ret)) {
  60                                 return False;
  61                 }
  62         }
  63
  64         /* Open policy handle */
  65
  66         if (!got_policy_hnd) {
  67
  68                 /* Some systems don't support SEC_FLAG_MAXIMUM_ALLOWED,
  69                    but NT sends 0x2000000 so we might as well do it too. */
  70
  71                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True,
  72                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  73                         return False;
  74                 }
  75
  76                 got_policy_hnd = True;
  77         }
  78
  79         return True;
  80 }
  81
  82 /* convert a SID to a string, either numeric or username/group */
  83 static void SidToString(fstring str, struct dom_sid *sid, bool _numeric)
  84 {
  85         char **domains = NULL;
  86         char **names = NULL;
  87         enum lsa_SidType *types = NULL;
  88
  89         sid_to_fstring(str, sid);
  90
  91         if (_numeric) return;
  92
  93         /* Ask LSA to convert the sid to a name */
  94
  95         if (!cli_open_policy_hnd() ||
  96             !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
  97                                                  &pol, 1, sid, &domains,
  98                                                  &names, &types)) ||
  99             !domains || !domains[0] || !names || !names[0]) {
 100                 return;
 101         }
 102
 103         /* Converted OK */
 104
 105         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 106                  domains[0], lp_winbind_separator(),
 107                  names[0]);
 108
 109 }
 110
 111 /* convert a string to a SID, either numeric or username/group */
 112 static bool StringToSid(struct dom_sid *sid, const char *str)
 113 {
 114         enum lsa_SidType *types = NULL;
 115         struct dom_sid *sids = NULL;
 116         bool result = True;
 117
 118         if (strncmp(str, "S-", 2) == 0) {
 119                 return string_to_sid(sid, str);
 120         }
 121
 122         if (!cli_open_policy_hnd() ||
 123             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
 124                                                   &pol, 1, &str, NULL, 1, &sids,
 125                                                   &types))) {
 126                 result = False;
 127                 goto done;
 128         }
 129
 130         sid_copy(sid, &sids[0]);
 131  done:
 132
 133         return result;
 134 }
 135
 136 #define QUOTA_GET 1
 137 #define QUOTA_SETLIM 2
 138 #define QUOTA_SETFLAGS 3
 139 #define QUOTA_LIST 4
 140
 141 enum {PARSE_FLAGS,PARSE_LIM};
 142
 143 static int parse_quota_set(TALLOC_CTX *ctx,
 144                         char *set_str,
 145                         char **pp_username_str,
 146                         enum SMB_QUOTA_TYPE *qtype,
 147                         int *cmd,
 148                         SMB_NTQUOTA_STRUCT *pqt)
 149 {
 150         char *p = set_str,*p2;
 151         int todo;
 152         bool stop = False;
 153         bool enable = False;
 154         bool deny = False;
 155
 156         *pp_username_str = NULL;
 157         if (strnequal(set_str,"UQLIM:",6)) {
 158                 p += 6;
 159                 *qtype = SMB_USER_QUOTA_TYPE;
 160                 *cmd = QUOTA_SETLIM;
 161                 todo = PARSE_LIM;
 162                 if ((p2=strstr(p,":"))==NULL) {
 163                         return -1;
 164                 }
 165
 166                 *p2 = '\0';
 167                 p2++;
 168
 169                 *pp_username_str = talloc_strdup(ctx, p);
 170                 p = p2;
 171         } else if (strnequal(set_str,"FSQLIM:",7)) {
 172                 p +=7;
 173                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 174                 *cmd = QUOTA_SETLIM;
 175                 todo = PARSE_LIM;
 176         } else if (strnequal(set_str,"FSQFLAGS:",9)) {
 177                 p +=9;
 178                 todo = PARSE_FLAGS;
 179                 *qtype = SMB_USER_FS_QUOTA_TYPE;
 180                 *cmd = QUOTA_SETFLAGS;
 181         } else {
 182                 return -1;
 183         }
 184
 185         switch (todo) {
 186                 case PARSE_LIM:
 187                         if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
 188                                 return -1;
 189                         }
 190
 191                         break;
 192                 case PARSE_FLAGS:
 193                         while (!stop) {
 194
 195                                 if ((p2=strstr(p,"/"))==NULL) {
 196                                         stop = True;
 197                                 } else {
 198                                         *p2 = '\0';
 199                                         p2++;
 200                                 }
 201
 202                                 if (strnequal(p,"QUOTA_ENABLED",13)) {
 203                                         enable = True;
 204                                 } else if (strnequal(p,"DENY_DISK",9)) {
 205                                         deny = True;
 206                                 } else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
 207                                         pqt->qflags |= QUOTAS_LOG_THRESHOLD;
 208                                 } else if (strnequal(p,"LOG_HARDLIMIT",13)) {
 209                                         pqt->qflags |= QUOTAS_LOG_LIMIT;
 210                                 } else {
 211                                         return -1;
 212                                 }
 213
 214                                 p=p2;
 215                         }
 216
 217                         if (deny) {
 218                                 pqt->qflags |= QUOTAS_DENY_DISK;
 219                         } else if (enable) {
 220                                 pqt->qflags |= QUOTAS_ENABLED;
 221                         }
 222
 223                         break;
 224         }
 225
 226         return 0;
 227 }
 228
 229 static int do_quota(struct cli_state *cli,
 230                 enum SMB_QUOTA_TYPE qtype,
 231                 uint16 cmd,
 232                 const char *username_str,
 233                 SMB_NTQUOTA_STRUCT *pqt)
 234 {
 235         uint32 fs_attrs = 0;
 236         uint16_t quota_fnum = 0;
 237         SMB_NTQUOTA_LIST *qtl = NULL;
 238         SMB_NTQUOTA_STRUCT qt;
 239         ZERO_STRUCT(qt);
 240
 241         if (!NT_STATUS_IS_OK(cli_get_fs_attr_info(cli, &fs_attrs))) {
 242                 d_printf("Failed to get the filesystem attributes %s.\n",
 243                         cli_errstr(cli));
 244                 return -1;
 245         }
 246
 247         if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
 248                 d_printf("Quotas are not supported by the server.\n");
 249                 return 0;
 250         }
 251
 252         if (!NT_STATUS_IS_OK(cli_get_quota_handle(cli, &quota_fnum))) {
 253                 d_printf("Quotas are not enabled on this share.\n");
 254                 d_printf("Failed to open %s  %s.\n",
 255                         FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
 256                 return -1;
 257         }
 258
 259         switch(qtype) {
 260                 case SMB_USER_QUOTA_TYPE:
 261                         if (!StringToSid(&qt.sid, username_str)) {
 262                                 d_printf("StringToSid() failed for [%s]\n",username_str);
 263                                 return -1;
 264                         }
 265
 266                         switch(cmd) {
 267                                 case QUOTA_GET:
 268                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 269                                                 d_printf("%s cli_get_user_quota %s\n",
 270                                                          cli_errstr(cli),username_str);
 271                                                 return -1;
 272                                         }
 273                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 274                                         break;
 275                                 case QUOTA_SETLIM:
 276                                         pqt->sid = qt.sid;
 277                                         if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
 278                                                 d_printf("%s cli_set_user_quota %s\n",
 279                                                          cli_errstr(cli),username_str);
 280                                                 return -1;
 281                                         }
 282                                         if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
 283                                                 d_printf("%s cli_get_user_quota %s\n",
 284                                                          cli_errstr(cli),username_str);
 285                                                 return -1;
 286                                         }
 287                                         dump_ntquota(&qt,verbose,numeric,SidToString);
 288                                         break;
 289                                 case QUOTA_LIST:
 290                                         if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
 291                                                 d_printf("%s cli_set_user_quota %s\n",
 292                                                          cli_errstr(cli),username_str);
 293                                                 return -1;
 294                                         }
 295                                         dump_ntquota_list(&qtl,verbose,numeric,SidToString);
 296                                         free_ntquota_list(&qtl);
 297                                         break;
 298                                 default:
 299                                         d_printf("Unknown Error\n");
 300                                         return -1;
 301                         }
 302                         break;
 303                 case SMB_USER_FS_QUOTA_TYPE:
 304                         switch(cmd) {
 305                                 case QUOTA_GET:
 306                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 307                                                 d_printf("%s cli_get_fs_quota_info\n",
 308                                                          cli_errstr(cli));
 309                                                 return -1;
 310                                         }
 311                                         dump_ntquota(&qt,True,numeric,NULL);
 312                                         break;
 313                                 case QUOTA_SETLIM:
 314                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 315                                                 d_printf("%s cli_get_fs_quota_info\n",
 316                                                          cli_errstr(cli));
 317                                                 return -1;
 318                                         }
 319                                         qt.softlim = pqt->softlim;
 320                                         qt.hardlim = pqt->hardlim;
 321                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 322                                                 d_printf("%s cli_set_fs_quota_info\n",
 323                                                          cli_errstr(cli));
 324                                                 return -1;
 325                                         }
 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                                         dump_ntquota(&qt,True,numeric,NULL);
 332                                         break;
 333                                 case QUOTA_SETFLAGS:
 334                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 335                                                 d_printf("%s cli_get_fs_quota_info\n",
 336                                                          cli_errstr(cli));
 337                                                 return -1;
 338                                         }
 339                                         qt.qflags = pqt->qflags;
 340                                         if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
 341                                                 d_printf("%s cli_set_fs_quota_info\n",
 342                                                          cli_errstr(cli));
 343                                                 return -1;
 344                                         }
 345                                         if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
 346                                                 d_printf("%s cli_get_fs_quota_info\n",
 347                                                          cli_errstr(cli));
 348                                                 return -1;
 349                                         }
 350                                         dump_ntquota(&qt,True,numeric,NULL);
 351                                         break;
 352                                 default:
 353                                         d_printf("Unknown Error\n");
 354                                         return -1;
 355                         }
 356                         break;
 357                 default:
 358                         d_printf("Unknown Error\n");
 359                         return -1;
 360         }
 361
 362         cli_close(cli, quota_fnum);
 363
 364         return 0;
 365 }
 366
 367 /*****************************************************
 368  Return a connection to a server.
 369 *******************************************************/
 370
 371 static struct cli_state *connect_one(const char *share)
 372 {
 373         struct cli_state *c;
 374         struct sockaddr_storage ss;
 375         NTSTATUS nt_status;
 376         uint32_t flags = 0;
 377
 378         zero_sockaddr(&ss);
 379
 380         if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
 381             !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
 382                 return NULL;
 383         }
 384
 385         if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
 386                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 387                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 388
 389         }
 390
 391         set_cmdline_auth_info_getpass(smbcquotas_auth_info);
 392
 393         nt_status = cli_full_connection(&c, global_myname(), server,
 394                                             &ss, 0,
 395                                             share, "?????",
 396                                             get_cmdline_auth_info_username(smbcquotas_auth_info),
 397                                             lp_workgroup(),
 398                                             get_cmdline_auth_info_password(smbcquotas_auth_info),
 399                                             flags,
 400                                             get_cmdline_auth_info_signing_state(smbcquotas_auth_info),
 401                                             NULL);
 402         if (!NT_STATUS_IS_OK(nt_status)) {
 403                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 404                 return NULL;
 405         }
 406
 407         if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
 408                 nt_status = cli_cm_force_encryption(c,
 409                                         get_cmdline_auth_info_username(smbcquotas_auth_info),
 410                                         get_cmdline_auth_info_password(smbcquotas_auth_info),
 411                                         lp_workgroup(),
 412                                         share);
 413                 if (!NT_STATUS_IS_OK(nt_status)) {
 414                         cli_shutdown(c);
 415                         return NULL;
 416                 }
 417         }
 418
 419         return c;
 420 }
 421
 422 /****************************************************************************
 423   main program
 424 ****************************************************************************/
 425  int main(int argc, const char *argv[])
 426 {
 427         char *share;
 428         int opt;
 429         int result;
 430         int todo = 0;
 431         char *username_str = NULL;
 432         char *path = NULL;
 433         char *set_str = NULL;
 434         enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
 435         int cmd = 0;
 436         static bool test_args = False;
 437         struct cli_state *cli;
 438         bool fix_user = False;
 439         SMB_NTQUOTA_STRUCT qt;
 440         TALLOC_CTX *frame = talloc_stackframe();
 441         poptContext pc;
 442         struct poptOption long_options[] = {
 443                 POPT_AUTOHELP
 444                 { "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
 445                 { "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
 446                 { "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
 447                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
 448 SETSTRING:\n\
 449 UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
 450 FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
 451 FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
 452                 { "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
 453                 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
 454                 { "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
 455                 POPT_COMMON_SAMBA
 456                 POPT_COMMON_CREDENTIALS
 457                 { NULL }
 458         };
 459
 460         load_case_tables();
 461
 462         ZERO_STRUCT(qt);
 463
 464         /* set default debug level to 1 regardless of what smb.conf sets */
 465         setup_logging( "smbcquotas", True );
 466         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 467         dbf = x_stderr;
 468         x_setbuf( x_stderr, NULL );
 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 }