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 #include "../libcli/smb/smbXcli_base.h"
  27
  28 NTSTATUS cli_get_quota_handle(struct cli_state *cli, uint16_t *quota_fnum)
  29 {
  30         return cli_ntcreate(cli, FAKE_FILE_NAME_QUOTA_WIN32,
  31                  0x00000016, DESIRED_ACCESS_PIPE,
  32                  0x00000000, FILE_SHARE_READ|FILE_SHARE_WRITE,
  33                  FILE_OPEN, 0x00000000, 0x03, quota_fnum, NULL);
  34 }
  35
  36 void free_ntquota_list(SMB_NTQUOTA_LIST **qt_list)
  37 {
  38         if (!qt_list || !*qt_list) {
  39                 return;
  40         }
  41
  42         if ((*qt_list)->mem_ctx)
  43                 talloc_destroy((*qt_list)->mem_ctx);
  44
  45         (*qt_list) = NULL;
  46
  47         return;
  48 }
  49
  50 bool parse_user_quota_record(const uint8_t *rdata,
  51                              unsigned int rdata_count,
  52                              unsigned int *offset,
  53                              SMB_NTQUOTA_STRUCT *pqt)
  54 {
  55         int sid_len;
  56         SMB_NTQUOTA_STRUCT qt;
  57
  58         ZERO_STRUCT(qt);
  59
  60         if (!rdata||!offset||!pqt) {
  61                 smb_panic("parse_quota_record: called with NULL POINTER!");
  62         }
  63
  64         if (rdata_count < 40) {
  65                 return False;
  66         }
  67
  68         /* offset to next quota record.
  69          * 4 bytes IVAL(rdata,0)
  70          * unused here...
  71          */
  72         *offset = IVAL(rdata,0);
  73
  74         /* sid len */
  75         sid_len = IVAL(rdata,4);
  76
  77         if (rdata_count < 40+sid_len) {
  78                 return False;
  79         }
  80
  81         /* unknown 8 bytes in pdata
  82          * maybe its the change time in NTTIME
  83          */
  84
  85         /* the used space 8 bytes (uint64_t)*/
  86         qt.usedspace = BVAL(rdata,16);
  87
  88         /* the soft quotas 8 bytes (uint64_t)*/
  89         qt.softlim = BVAL(rdata,24);
  90
  91         /* the hard quotas 8 bytes (uint64_t)*/
  92         qt.hardlim = BVAL(rdata,32);
  93
  94         if (!sid_parse(rdata+40,sid_len,&qt.sid)) {
  95                 return false;
  96         }
  97
  98         qt.qtype = SMB_USER_QUOTA_TYPE;
  99
 100         *pqt = qt;
 101
 102         return True;
 103 }
 104
 105 NTSTATUS cli_get_user_quota(struct cli_state *cli, int quota_fnum,
 106                             SMB_NTQUOTA_STRUCT *pqt)
 107 {
 108         uint16_t setup[1];
 109         uint8_t params[16];
 110         unsigned int data_len;
 111         uint8_t data[SID_MAX_SIZE+8];
 112         uint8_t *rparam, *rdata;
 113         uint32_t rparam_count, rdata_count;
 114         unsigned int sid_len;
 115         unsigned int offset;
 116         NTSTATUS status;
 117
 118         if (!cli||!pqt) {
 119                 smb_panic("cli_get_user_quota() called with NULL Pointer!");
 120         }
 121
 122         if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
 123                 return cli_smb2_get_user_quota(cli, quota_fnum, pqt);
 124         }
 125
 126         SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
 127
 128         SSVAL(params, 0,quota_fnum);
 129         SSVAL(params, 2,TRANSACT_GET_USER_QUOTA_FOR_SID);
 130         SIVAL(params, 4,0x00000024);
 131         SIVAL(params, 8,0x00000000);
 132         SIVAL(params,12,0x00000024);
 133
 134         sid_len = ndr_size_dom_sid(&pqt->sid, 0);
 135         data_len = sid_len+8;
 136         SIVAL(data, 0, 0x00000000);
 137         SIVAL(data, 4, sid_len);
 138         sid_linearize(data+8, sid_len, &pqt->sid);
 139
 140         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 141                            NULL, -1, /* name, fid */
 142                            NT_TRANSACT_GET_USER_QUOTA, 0,
 143                            setup, 1, 0, /* setup */
 144                            params, 16, 4, /* params */
 145                            data, data_len, 112, /* data */
 146                            NULL,                /* recv_flags2 */
 147                            NULL, 0, NULL,       /* rsetup */
 148                            &rparam, 4, &rparam_count,
 149                            &rdata, 8, &rdata_count);
 150         if (!NT_STATUS_IS_OK(status)) {
 151                 DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
 152                           nt_errstr(status)));
 153                 return status;
 154         }
 155
 156         if (!parse_user_quota_record(rdata, rdata_count, &offset, pqt)) {
 157                 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
 158                 DEBUG(0,("Got INVALID NT_TRANSACT_GET_USER_QUOTA reply.\n"));
 159         }
 160
 161         TALLOC_FREE(rparam);
 162         TALLOC_FREE(rdata);
 163         return status;
 164 }
 165
 166 NTSTATUS cli_set_user_quota(struct cli_state *cli, int quota_fnum,
 167                             SMB_NTQUOTA_STRUCT *pqt)
 168 {
 169         uint16_t setup[1];
 170         uint8_t params[2];
 171         uint8_t data[112];
 172         unsigned int sid_len;
 173         NTSTATUS status;
 174
 175         memset(data,'\0',112);
 176
 177         if (!cli||!pqt) {
 178                 smb_panic("cli_set_user_quota() called with NULL Pointer!");
 179         }
 180
 181         SSVAL(setup + 0, 0, NT_TRANSACT_SET_USER_QUOTA);
 182
 183         SSVAL(params,0,quota_fnum);
 184
 185         sid_len = ndr_size_dom_sid(&pqt->sid, 0);
 186         SIVAL(data,0,0);
 187         SIVAL(data,4,sid_len);
 188         SBIG_UINT(data, 8,(uint64_t)0);
 189         SBIG_UINT(data,16,pqt->usedspace);
 190         SBIG_UINT(data,24,pqt->softlim);
 191         SBIG_UINT(data,32,pqt->hardlim);
 192         sid_linearize(data+40, sid_len, &pqt->sid);
 193
 194         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 195                            NULL, -1, /* name, fid */
 196                            NT_TRANSACT_SET_USER_QUOTA, 0,
 197                            setup, 1, 0, /* setup */
 198                            params, 2, 0, /* params */
 199                            data, 112, 0, /* data */
 200                            NULL,                /* recv_flags2 */
 201                            NULL, 0, NULL,       /* rsetup */
 202                            NULL, 0, NULL,       /* rparams */
 203                            NULL, 0, NULL);      /* rdata */
 204
 205         if (!NT_STATUS_IS_OK(status)) {
 206                 DEBUG(1, ("NT_TRANSACT_SET_USER_QUOTA failed: %s\n",
 207                           nt_errstr(status)));
 208         }
 209
 210         return status;
 211 }
 212
 213 static NTSTATUS cli_list_user_quota_step(struct cli_state *cli,
 214                                          TALLOC_CTX *mem_ctx,
 215                                          int quota_fnum,
 216                                          SMB_NTQUOTA_LIST **pqt_list,
 217                                          bool first)
 218 {
 219         uint16_t setup[1];
 220         uint8_t params[16];
 221         uint8_t *rparam=NULL, *rdata=NULL;
 222         uint32_t rparam_count=0, rdata_count=0;
 223         unsigned int offset;
 224         const uint8_t *curdata = NULL;
 225         unsigned int curdata_count = 0;
 226         SMB_NTQUOTA_STRUCT qt;
 227         SMB_NTQUOTA_LIST *tmp_list_ent;
 228         NTSTATUS status;
 229         uint16_t op = first ? TRANSACT_GET_USER_QUOTA_LIST_START
 230                             : TRANSACT_GET_USER_QUOTA_LIST_CONTINUE;
 231
 232         SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
 233
 234         SSVAL(params, 0,quota_fnum);
 235         SSVAL(params, 2, op);
 236         SIVAL(params, 4,0x00000000);
 237         SIVAL(params, 8,0x00000000);
 238         SIVAL(params,12,0x00000000);
 239
 240         status = cli_trans(talloc_tos(), cli, SMBnttrans,
 241                            NULL, -1, /* name, fid */
 242                            NT_TRANSACT_GET_USER_QUOTA, 0,
 243                            setup, 1, 0, /* setup */
 244                            params, 16, 4, /* params */
 245                            NULL, 0, 2048, /* data */
 246                            NULL,                /* recv_flags2 */
 247                            NULL, 0, NULL,       /* rsetup */
 248                            &rparam, 0, &rparam_count,
 249                            &rdata, 0, &rdata_count);
 250
 251         if (!NT_STATUS_IS_OK(status) &&
 252             !NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 253                 goto cleanup;
 254         }
 255
 256         /* compat. with smbd + safeguard against
 257          * endless loop
 258          */
 259         if (rdata_count == 0) {
 260                 status = NT_STATUS_NO_MORE_ENTRIES;
 261         }
 262
 263         offset = 1;
 264         for (curdata=rdata,curdata_count=rdata_count;
 265                 ((curdata)&&(curdata_count>=8)&&(offset>0));
 266                 curdata +=offset,curdata_count -= offset) {
 267                 ZERO_STRUCT(qt);
 268                 if (!parse_user_quota_record((const uint8_t *)curdata, curdata_count,
 269                                              &offset, &qt)) {
 270                         DEBUG(1,("Failed to parse the quota record\n"));
 271                         status = NT_STATUS_INVALID_NETWORK_RESPONSE;
 272                         goto cleanup;
 273                 }
 274
 275                 if ((tmp_list_ent=talloc_zero(mem_ctx,SMB_NTQUOTA_LIST))==NULL) {
 276                         status = NT_STATUS_NO_MEMORY;
 277                         goto cleanup;
 278                 }
 279
 280                 if ((tmp_list_ent->quotas=talloc_zero(mem_ctx,SMB_NTQUOTA_STRUCT))==NULL) {
 281                         status = NT_STATUS_NO_MEMORY;
 282                         goto cleanup;
 283                 }
 284
 285                 memcpy(tmp_list_ent->quotas,&qt,sizeof(qt));
 286                 tmp_list_ent->mem_ctx = mem_ctx;
 287
 288                 DLIST_ADD((*pqt_list),tmp_list_ent);
 289         }
 290
 291 cleanup:
 292         TALLOC_FREE(rparam);
 293         TALLOC_FREE(rdata);
 294
 295         return status;
 296 }
 297
 298 NTSTATUS cli_list_user_quota(struct cli_state *cli,
 299                              int quota_fnum,
 300                              SMB_NTQUOTA_LIST **pqt_list)
 301 {
 302         NTSTATUS status;
 303         TALLOC_CTX *mem_ctx = NULL;
 304         bool first = true;
 305
 306         if (!cli || !pqt_list) {
 307                 smb_panic("cli_list_user_quota() called with NULL Pointer!");
 308         }
 309
 310         *pqt_list = NULL;
 311
 312         if ((mem_ctx = talloc_init("SMB_USER_QUOTA_LIST")) == NULL) {
 313                 return NT_STATUS_NO_MEMORY;
 314         }
 315
 316         do {
 317                 status = cli_list_user_quota_step(cli, mem_ctx, quota_fnum,
 318                                                   pqt_list, first);
 319                 first = false;
 320         } while (NT_STATUS_IS_OK(status));
 321
 322         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 323                 status = NT_STATUS_OK;
 324         }
 325
 326         if (!NT_STATUS_IS_OK(status) || *pqt_list == NULL) {
 327                 TALLOC_FREE(mem_ctx);
 328         }
 329
 330         return status;
 331 }
 332
 333 NTSTATUS cli_get_fs_quota_info(struct cli_state *cli, int quota_fnum,
 334                                SMB_NTQUOTA_STRUCT *pqt)
 335 {
 336         uint16_t setup[1];
 337         uint8_t param[2];
 338         uint8_t *rdata=NULL;
 339         uint32_t rdata_count=0;
 340         SMB_NTQUOTA_STRUCT qt;
 341         NTSTATUS status;
 342
 343         ZERO_STRUCT(qt);
 344
 345         if (!cli||!pqt) {
 346                 smb_panic("cli_get_fs_quota_info() called with NULL Pointer!");
 347         }
 348
 349         SSVAL(setup + 0, 0, TRANSACT2_QFSINFO);
 350
 351         SSVAL(param,0,SMB_FS_QUOTA_INFORMATION);
 352
 353         status = cli_trans(talloc_tos(), cli, SMBtrans2,
 354                            NULL, -1, /* name, fid */
 355                            0, 0,     /* function, flags */
 356                            setup, 1, 0, /* setup */
 357                            param, 2, 0, /* param */
 358                            NULL, 0, 560, /* data */
 359                            NULL,         /* recv_flags2 */
 360                            NULL, 0, NULL, /* rsetup */
 361                            NULL, 0, NULL, /* rparam */
 362                            &rdata, 48, &rdata_count);
 363
 364         if (!NT_STATUS_IS_OK(status)) {
 365                 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
 366                           nt_errstr(status)));
 367                 return status;
 368         }
 369
 370         /* unknown_1 24 NULL bytes in pdata*/
 371
 372         /* the soft quotas 8 bytes (uint64_t)*/
 373         qt.softlim = BVAL(rdata,24);
 374
 375         /* the hard quotas 8 bytes (uint64_t)*/
 376         qt.hardlim = BVAL(rdata,32);
 377
 378         /* quota_flags 2 bytes **/
 379         qt.qflags = SVAL(rdata,40);
 380
 381         qt.qtype = SMB_USER_FS_QUOTA_TYPE;
 382
 383         *pqt = qt;
 384
 385         TALLOC_FREE(rdata);
 386         return status;
 387 }
 388
 389 NTSTATUS cli_set_fs_quota_info(struct cli_state *cli, int quota_fnum,
 390                                SMB_NTQUOTA_STRUCT *pqt)
 391 {
 392         uint16_t setup[1];
 393         uint8_t param[4];
 394         uint8_t data[48];
 395         SMB_NTQUOTA_STRUCT qt;
 396         NTSTATUS status;
 397         ZERO_STRUCT(qt);
 398         memset(data,'\0',48);
 399
 400         if (!cli||!pqt) {
 401                 smb_panic("cli_set_fs_quota_info() called with NULL Pointer!");
 402         }
 403
 404         SSVAL(setup + 0, 0,TRANSACT2_SETFSINFO);
 405
 406         SSVAL(param,0,quota_fnum);
 407         SSVAL(param,2,SMB_FS_QUOTA_INFORMATION);
 408
 409         /* Unknown1 24 NULL bytes*/
 410
 411         /* Default Soft Quota 8 bytes */
 412         SBIG_UINT(data,24,pqt->softlim);
 413
 414         /* Default Hard Quota 8 bytes */
 415         SBIG_UINT(data,32,pqt->hardlim);
 416
 417         /* Quota flag 2 bytes */
 418         SSVAL(data,40,pqt->qflags);
 419
 420         /* Unknown3 6 NULL bytes */
 421
 422         status = cli_trans(talloc_tos(), cli, SMBtrans2,
 423                            NULL, -1, /* name, fid */
 424                            0, 0,     /* function, flags */
 425                            setup, 1, 0, /* setup */
 426                            param, 4, 0, /* param */
 427                            data, 48, 0, /* data */
 428                            NULL,         /* recv_flags2 */
 429                            NULL, 0, NULL, /* rsetup */
 430                            NULL, 0, NULL, /* rparam */
 431                            NULL, 0, NULL); /* rdata */
 432
 433         if (!NT_STATUS_IS_OK(status)) {
 434                 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
 435                           nt_errstr(status)));
 436         }
 437
 438         return status;
 439 }