source3/libsmb/cliquota.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client quota functions
   4    Copyright (C) Stefan (metze) Metzmacher      2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "libsmb/libsmb.h"
  22 #include "../librpc/gen_ndr/ndr_security.h"
  23 #include "fake_file.h"
  24 #include "../libcli/security/security.h"
  25 #include "trans2.h"
  26
  27 NTSTATUS cli_get_quota_handle(struct cli_state *cli, uint16_t *quota_fnum)
  28 {
  29         return cli_ntcreate(cli, FAKE_FILE_NAME_QUOTA_WIN32,
  30                  0x00000016, DESIRED_ACCESS_PIPE,
  31                  0x00000000, FILE_SHARE_READ|FILE_SHARE_WRITE,
  32                  FILE_OPEN, 0x00000000, 0x03, quota_fnum, NULL);
  33 }
  34
  35 void free_ntquota_list(SMB_NTQUOTA_LIST **qt_list)
  36 {
  37         if (!qt_list || !*qt_list) {
  38                 return;
  39         }
  40
  41         if ((*qt_list)->mem_ctx)
  42                 talloc_destroy((*qt_list)->mem_ctx);
  43
  44         (*qt_list) = NULL;
  45
  46         return;
  47 }
  48
  49 static bool parse_user_quota_record(const uint8_t *rdata,
  50                                     unsigned int rdata_count,
  51                                     unsigned int *offset,
  52                                     SMB_NTQUOTA_STRUCT *pqt)
  53 {
  54         int sid_len;
  55         SMB_NTQUOTA_STRUCT qt;
  56
  57         ZERO_STRUCT(qt);
  58
  59         if (!rdata||!offset||!pqt) {
  60                 smb_panic("parse_quota_record: called with NULL POINTER!");
  61         }
  62
  63         if (rdata_count < 40) {
  64                 return False;
  65         }
  66
  67         /* offset to next quota record.
  68          * 4 bytes IVAL(rdata,0)
  69          * unused here...
  70          */
  71         *offset = IVAL(rdata,0);
  72
  73         /* sid len */
  74         sid_len = IVAL(rdata,4);
  75
  76         if (rdata_count < 40+sid_len) {
  77                 return False;
  78         }
  79
  80         /* unknown 8 bytes in pdata
  81          * maybe its the change time in NTTIME
  82          */
  83
  84         /* the used space 8 bytes (uint64_t)*/
  85         qt.usedspace = BVAL(rdata,16);
  86
  87         /* the soft quotas 8 bytes (uint64_t)*/
  88         qt.softlim = BVAL(rdata,24);
  89
  90         /* the hard quotas 8 bytes (uint64_t)*/
  91         qt.hardlim = BVAL(rdata,32);
  92
  93         if (!sid_parse(rdata+40,sid_len,&qt.sid)) {
  94                 return false;
  95         }
  96
  97         qt.qtype = SMB_USER_QUOTA_TYPE;
  98
  99         *pqt = qt;
 100
 101         return True;
 102 }
 103
 104 NTSTATUS cli_get_user_quota(struct cli_state *cli, int quota_fnum,
 105                             SMB_NTQUOTA_STRUCT *pqt)
 106 {
 107         uint16_t setup[1];
 108         uint8_t params[16];
 109         unsigned int data_len;
 110         uint8_t data[SID_MAX_SIZE+8];
 111         uint8_t *rparam, *rdata;
 112         uint32_t rparam_count, rdata_count;
 113         unsigned int sid_len;
 114         unsigned int offset;
 115         NTSTATUS status;
 116
 117         if (!cli||!pqt) {
 118                 smb_panic("cli_get_user_quota() called with NULL Pointer!");
 119         }
 120
 121         SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
 122
 123         SSVAL(params, 0,quota_fnum);
 124         SSVAL(params, 2,TRANSACT_GET_USER_QUOTA_FOR_SID);
 125         SIVAL(params, 4,0x00000024);
 126         SIVAL(params, 8,0x00000000);
 127         SIVAL(params,12,0x00000024);
 128
 129         sid_len = ndr_size_dom_sid(&pqt->sid, 0);
 130         data_len = sid_len+8;
 131         SIVAL(data, 0, 0x00000000);
 132         SIVAL(data, 4, sid_len);
 133         sid_linearize(data+8, sid_len, &pqt->sid);
 134
 135         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 136                            NULL, -1, /* name, fid */
 137                            NT_TRANSACT_GET_USER_QUOTA, 0,
 138                            setup, 1, 0, /* setup */
 139                            params, 16, 4, /* params */
 140                            data, data_len, 112, /* data */
 141                            NULL,                /* recv_flags2 */
 142                            NULL, 0, NULL,       /* rsetup */
 143                            &rparam, 4, &rparam_count,
 144                            &rdata, 8, &rdata_count);
 145         if (!NT_STATUS_IS_OK(status)) {
 146                 DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
 147                           nt_errstr(status)));
 148                 return status;
 149         }
 150
 151         if (!parse_user_quota_record(rdata, rdata_count, &offset, pqt)) {
 152                 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
 153                 DEBUG(0,("Got INVALID NT_TRANSACT_GET_USER_QUOTA reply.\n"));
 154         }
 155
 156         TALLOC_FREE(rparam);
 157         TALLOC_FREE(rdata);
 158         return status;
 159 }
 160
 161 NTSTATUS cli_set_user_quota(struct cli_state *cli, int quota_fnum,
 162                             SMB_NTQUOTA_STRUCT *pqt)
 163 {
 164         uint16_t setup[1];
 165         uint8_t params[2];
 166         uint8_t data[112];
 167         unsigned int sid_len;
 168         NTSTATUS status;
 169
 170         memset(data,'\0',112);
 171
 172         if (!cli||!pqt) {
 173                 smb_panic("cli_set_user_quota() called with NULL Pointer!");
 174         }
 175
 176         SSVAL(setup + 0, 0, NT_TRANSACT_SET_USER_QUOTA);
 177
 178         SSVAL(params,0,quota_fnum);
 179
 180         sid_len = ndr_size_dom_sid(&pqt->sid, 0);
 181         SIVAL(data,0,0);
 182         SIVAL(data,4,sid_len);
 183         SBIG_UINT(data, 8,(uint64_t)0);
 184         SBIG_UINT(data,16,pqt->usedspace);
 185         SBIG_UINT(data,24,pqt->softlim);
 186         SBIG_UINT(data,32,pqt->hardlim);
 187         sid_linearize(data+40, sid_len, &pqt->sid);
 188
 189         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 190                            NULL, -1, /* name, fid */
 191                            NT_TRANSACT_SET_USER_QUOTA, 0,
 192                            setup, 1, 0, /* setup */
 193                            params, 2, 0, /* params */
 194                            data, 112, 0, /* data */
 195                            NULL,                /* recv_flags2 */
 196                            NULL, 0, NULL,       /* rsetup */
 197                            NULL, 0, NULL,       /* rparams */
 198                            NULL, 0, NULL);      /* rdata */
 199
 200         if (!NT_STATUS_IS_OK(status)) {
 201                 DEBUG(1, ("NT_TRANSACT_SET_USER_QUOTA failed: %s\n",
 202                           nt_errstr(status)));
 203         }
 204
 205         return status;
 206 }
 207
 208 NTSTATUS cli_list_user_quota(struct cli_state *cli, int quota_fnum,
 209                              SMB_NTQUOTA_LIST **pqt_list)
 210 {
 211         uint16_t setup[1];
 212         uint8_t params[16];
 213         uint8_t *rparam=NULL, *rdata=NULL;
 214         uint32_t rparam_count=0, rdata_count=0;
 215         unsigned int offset;
 216         const uint8_t *curdata = NULL;
 217         unsigned int curdata_count = 0;
 218         TALLOC_CTX *mem_ctx = NULL;
 219         SMB_NTQUOTA_STRUCT qt;
 220         SMB_NTQUOTA_LIST *tmp_list_ent;
 221         NTSTATUS status;
 222
 223         if (!cli||!pqt_list) {
 224                 smb_panic("cli_list_user_quota() called with NULL Pointer!");
 225         }
 226
 227         SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
 228
 229         SSVAL(params, 0,quota_fnum);
 230         SSVAL(params, 2,TRANSACT_GET_USER_QUOTA_LIST_START);
 231         SIVAL(params, 4,0x00000000);
 232         SIVAL(params, 8,0x00000000);
 233         SIVAL(params,12,0x00000000);
 234
 235         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 236                            NULL, -1, /* name, fid */
 237                            NT_TRANSACT_GET_USER_QUOTA, 0,
 238                            setup, 1, 0, /* setup */
 239                            params, 16, 4, /* params */
 240                            NULL, 0, 2048, /* data */
 241                            NULL,                /* recv_flags2 */
 242                            NULL, 0, NULL,       /* rsetup */
 243                            &rparam, 0, &rparam_count,
 244                            &rdata, 0, &rdata_count);
 245
 246         if (!NT_STATUS_IS_OK(status) &&
 247             !NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 248                 DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
 249                           nt_errstr(status)));
 250                 goto cleanup;
 251         }
 252
 253         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES) ||
 254             rdata_count == 0) {
 255                 *pqt_list = NULL;
 256                 return NT_STATUS_OK;
 257         }
 258
 259         if ((mem_ctx=talloc_init("SMB_USER_QUOTA_LIST"))==NULL) {
 260                 DEBUG(0,("talloc_init() failed\n"));
 261                 return NT_STATUS_NO_MEMORY;
 262         }
 263
 264         offset = 1;
 265         for (curdata=rdata,curdata_count=rdata_count;
 266                 ((curdata)&&(curdata_count>=8)&&(offset>0));
 267                 curdata +=offset,curdata_count -= offset) {
 268                 ZERO_STRUCT(qt);
 269                 if (!parse_user_quota_record((const uint8_t *)curdata, curdata_count,
 270                                              &offset, &qt)) {
 271                         DEBUG(1,("Failed to parse the quota record\n"));
 272                         goto cleanup;
 273                 }
 274
 275                 if ((tmp_list_ent=talloc_zero(mem_ctx,SMB_NTQUOTA_LIST))==NULL) {
 276                         DEBUG(0,("TALLOC_ZERO() failed\n"));
 277                         talloc_destroy(mem_ctx);
 278                         return NT_STATUS_NO_MEMORY;
 279                 }
 280
 281                 if ((tmp_list_ent->quotas=talloc_zero(mem_ctx,SMB_NTQUOTA_STRUCT))==NULL) {
 282                         DEBUG(0,("TALLOC_ZERO() failed\n"));
 283                         talloc_destroy(mem_ctx);
 284                         return NT_STATUS_NO_MEMORY;
 285                 }
 286
 287                 memcpy(tmp_list_ent->quotas,&qt,sizeof(qt));
 288                 tmp_list_ent->mem_ctx = mem_ctx;
 289
 290                 DLIST_ADD((*pqt_list),tmp_list_ent);
 291         }
 292
 293         SSVAL(params, 2,TRANSACT_GET_USER_QUOTA_LIST_CONTINUE);
 294         while(1) {
 295
 296                 TALLOC_FREE(rparam);
 297                 TALLOC_FREE(rdata);
 298
 299                 status = cli_trans(talloc_tos(), cli, SMBnttrans,
 300                                    NULL, -1, /* name, fid */
 301                                    NT_TRANSACT_GET_USER_QUOTA, 0,
 302                                    setup, 1, 0, /* setup */
 303                                    params, 16, 4, /* params */
 304                                    NULL, 0, 2048, /* data */
 305                                    NULL,                /* recv_flags2 */
 306                                    NULL, 0, NULL,       /* rsetup */
 307                                    &rparam, 0, &rparam_count,
 308                                    &rdata, 0, &rdata_count);
 309
 310                 if (!NT_STATUS_IS_OK(status) &&
 311                     !NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 312                         DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
 313                                   nt_errstr(status)));
 314                         goto cleanup;
 315                 }
 316
 317                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES) ||
 318                     rdata_count == 0) {
 319                         status = NT_STATUS_OK;
 320                         break;
 321                 }
 322
 323                 offset = 1;
 324                 for (curdata=rdata,curdata_count=rdata_count;
 325                         ((curdata)&&(curdata_count>=8)&&(offset>0));
 326                         curdata +=offset,curdata_count -= offset) {
 327                         ZERO_STRUCT(qt);
 328                         if (!parse_user_quota_record((const uint8_t *)curdata,
 329                                                      curdata_count, &offset,
 330                                                      &qt)) {
 331                                 DEBUG(1,("Failed to parse the quota record\n"));
 332                                 goto cleanup;
 333                         }
 334
 335                         if ((tmp_list_ent=talloc_zero(mem_ctx,SMB_NTQUOTA_LIST))==NULL) {
 336                                 DEBUG(0,("TALLOC_ZERO() failed\n"));
 337                                 talloc_destroy(mem_ctx);
 338                                 goto cleanup;
 339                         }
 340
 341                         if ((tmp_list_ent->quotas=talloc_zero(mem_ctx,SMB_NTQUOTA_STRUCT))==NULL) {
 342                                 DEBUG(0,("TALLOC_ZERO() failed\n"));
 343                                 talloc_destroy(mem_ctx);
 344                                 goto cleanup;
 345                         }
 346
 347                         memcpy(tmp_list_ent->quotas,&qt,sizeof(qt));
 348                         tmp_list_ent->mem_ctx = mem_ctx;
 349
 350                         DLIST_ADD((*pqt_list),tmp_list_ent);
 351                 }
 352         }
 353
 354  cleanup:
 355         TALLOC_FREE(rparam);
 356         TALLOC_FREE(rdata);
 357
 358         return status;
 359 }
 360
 361 NTSTATUS cli_get_fs_quota_info(struct cli_state *cli, int quota_fnum,
 362                                SMB_NTQUOTA_STRUCT *pqt)
 363 {
 364         uint16_t setup[1];
 365         uint8_t param[2];
 366         uint8_t *rdata=NULL;
 367         uint32_t rdata_count=0;
 368         SMB_NTQUOTA_STRUCT qt;
 369         NTSTATUS status;
 370
 371         ZERO_STRUCT(qt);
 372
 373         if (!cli||!pqt) {
 374                 smb_panic("cli_get_fs_quota_info() called with NULL Pointer!");
 375         }
 376
 377         SSVAL(setup + 0, 0, TRANSACT2_QFSINFO);
 378
 379         SSVAL(param,0,SMB_FS_QUOTA_INFORMATION);
 380
 381         status = cli_trans(talloc_tos(), cli, SMBtrans2,
 382                            NULL, -1, /* name, fid */
 383                            0, 0,     /* function, flags */
 384                            setup, 1, 0, /* setup */
 385                            param, 2, 0, /* param */
 386                            NULL, 0, 560, /* data */
 387                            NULL,         /* recv_flags2 */
 388                            NULL, 0, NULL, /* rsetup */
 389                            NULL, 0, NULL, /* rparam */
 390                            &rdata, 48, &rdata_count);
 391
 392         if (!NT_STATUS_IS_OK(status)) {
 393                 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
 394                           nt_errstr(status)));
 395                 return status;
 396         }
 397
 398         /* unknown_1 24 NULL bytes in pdata*/
 399
 400         /* the soft quotas 8 bytes (uint64_t)*/
 401         qt.softlim = BVAL(rdata,24);
 402
 403         /* the hard quotas 8 bytes (uint64_t)*/
 404         qt.hardlim = BVAL(rdata,32);
 405
 406         /* quota_flags 2 bytes **/
 407         qt.qflags = SVAL(rdata,40);
 408
 409         qt.qtype = SMB_USER_FS_QUOTA_TYPE;
 410
 411         *pqt = qt;
 412
 413         TALLOC_FREE(rdata);
 414         return status;
 415 }
 416
 417 NTSTATUS cli_set_fs_quota_info(struct cli_state *cli, int quota_fnum,
 418                                SMB_NTQUOTA_STRUCT *pqt)
 419 {
 420         uint16_t setup[1];
 421         uint8_t param[4];
 422         uint8_t data[48];
 423         SMB_NTQUOTA_STRUCT qt;
 424         NTSTATUS status;
 425         ZERO_STRUCT(qt);
 426         memset(data,'\0',48);
 427
 428         if (!cli||!pqt) {
 429                 smb_panic("cli_set_fs_quota_info() called with NULL Pointer!");
 430         }
 431
 432         SSVAL(setup + 0, 0,TRANSACT2_SETFSINFO);
 433
 434         SSVAL(param,0,quota_fnum);
 435         SSVAL(param,2,SMB_FS_QUOTA_INFORMATION);
 436
 437         /* Unknown1 24 NULL bytes*/
 438
 439         /* Default Soft Quota 8 bytes */
 440         SBIG_UINT(data,24,pqt->softlim);
 441
 442         /* Default Hard Quota 8 bytes */
 443         SBIG_UINT(data,32,pqt->hardlim);
 444
 445         /* Quota flag 2 bytes */
 446         SSVAL(data,40,pqt->qflags);
 447
 448         /* Unknown3 6 NULL bytes */
 449
 450         status = cli_trans(talloc_tos(), cli, SMBtrans2,
 451                            NULL, -1, /* name, fid */
 452                            0, 0,     /* function, flags */
 453                            setup, 1, 0, /* setup */
 454                            param, 8, 0, /* param */
 455                            data, 48, 0, /* data */
 456                            NULL,         /* recv_flags2 */
 457                            NULL, 0, NULL, /* rsetup */
 458                            NULL, 0, NULL, /* rparam */
 459                            NULL, 0, NULL); /* rdata */
 460
 461         if (!NT_STATUS_IS_OK(status)) {
 462                 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
 463                           nt_errstr(status)));
 464         }
 465
 466         return status;
 467 }