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