source3/smbd/smb2_getinfo.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Core SMB2 server
   4
   5    Copyright (C) Stefan Metzmacher 2009
   6    Copyright (C) Jeremy Allison 2010
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "smbd/smbd.h"
  24 #include "smbd/globals.h"
  25 #include "../libcli/smb/smb_common.h"
  26 #include "trans2.h"
  27 #include "../lib/util/tevent_ntstatus.h"
  28 #include "librpc/gen_ndr/ndr_quota.h"
  29 #include "librpc/gen_ndr/ndr_security.h"
  30
  31 #undef DBGC_CLASS
  32 #define DBGC_CLASS DBGC_SMB2
  33
  34 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
  35                                                  struct tevent_context *ev,
  36                                                  struct smbd_smb2_request *smb2req,
  37                                                  struct files_struct *in_fsp,
  38                                                  uint8_t in_info_type,
  39                                                  uint8_t in_file_info_class,
  40                                                  uint32_t in_output_buffer_length,
  41                                                  DATA_BLOB in_input_buffer,
  42                                                  uint32_t in_additional_information,
  43                                                  uint32_t in_flags);
  44 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
  45                                        TALLOC_CTX *mem_ctx,
  46                                        DATA_BLOB *out_output_buffer,
  47                                        NTSTATUS *p_call_status);
  48
  49 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq);
  50 NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req)
  51 {
  52         struct smbXsrv_connection *xconn = req->xconn;
  53         NTSTATUS status;
  54         const uint8_t *inbody;
  55         uint8_t in_info_type;
  56         uint8_t in_file_info_class;
  57         uint32_t in_output_buffer_length;
  58         uint16_t in_input_buffer_offset;
  59         uint32_t in_input_buffer_length;
  60         DATA_BLOB in_input_buffer;
  61         uint32_t in_additional_information;
  62         uint32_t in_flags;
  63         uint64_t in_file_id_persistent;
  64         uint64_t in_file_id_volatile;
  65         struct files_struct *in_fsp;
  66         struct tevent_req *subreq;
  67
  68         status = smbd_smb2_request_verify_sizes(req, 0x29);
  69         if (!NT_STATUS_IS_OK(status)) {
  70                 return smbd_smb2_request_error(req, status);
  71         }
  72         inbody = SMBD_SMB2_IN_BODY_PTR(req);
  73
  74         in_info_type                    = CVAL(inbody, 0x02);
  75         in_file_info_class              = CVAL(inbody, 0x03);
  76         in_output_buffer_length         = IVAL(inbody, 0x04);
  77         in_input_buffer_offset          = SVAL(inbody, 0x08);
  78         /* 0x0A 2 bytes reserved */
  79         in_input_buffer_length          = IVAL(inbody, 0x0C);
  80         in_additional_information       = IVAL(inbody, 0x10);
  81         in_flags                        = IVAL(inbody, 0x14);
  82         in_file_id_persistent           = BVAL(inbody, 0x18);
  83         in_file_id_volatile             = BVAL(inbody, 0x20);
  84
  85         if (in_input_buffer_offset == 0 && in_input_buffer_length == 0) {
  86                 /* This is ok */
  87         } else if (in_input_buffer_offset !=
  88                    (SMB2_HDR_BODY + SMBD_SMB2_IN_BODY_LEN(req))) {
  89                 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
  90         }
  91
  92         if (in_input_buffer_length > SMBD_SMB2_IN_DYN_LEN(req)) {
  93                 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
  94         }
  95
  96         in_input_buffer.data = SMBD_SMB2_IN_DYN_PTR(req);
  97         in_input_buffer.length = in_input_buffer_length;
  98
  99         if (in_input_buffer.length > xconn->smb2.server.max_trans) {
 100                 DEBUG(2,("smbd_smb2_request_process_getinfo: "
 101                          "client ignored max trans: %s: 0x%08X: 0x%08X\n",
 102                          __location__, (unsigned)in_input_buffer.length,
 103                          (unsigned)xconn->smb2.server.max_trans));
 104                 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
 105         }
 106         if (in_output_buffer_length > xconn->smb2.server.max_trans) {
 107                 DEBUG(2,("smbd_smb2_request_process_getinfo: "
 108                          "client ignored max trans: %s: 0x%08X: 0x%08X\n",
 109                          __location__, in_output_buffer_length,
 110                          xconn->smb2.server.max_trans));
 111                 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
 112         }
 113
 114         status = smbd_smb2_request_verify_creditcharge(req,
 115                         MAX(in_input_buffer.length,in_output_buffer_length));
 116         if (!NT_STATUS_IS_OK(status)) {
 117                 return smbd_smb2_request_error(req, status);
 118         }
 119
 120         in_fsp = file_fsp_smb2(req, in_file_id_persistent, in_file_id_volatile);
 121         if (in_fsp == NULL) {
 122                 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
 123         }
 124
 125         subreq = smbd_smb2_getinfo_send(req, req->sconn->ev_ctx,
 126                                         req, in_fsp,
 127                                         in_info_type,
 128                                         in_file_info_class,
 129                                         in_output_buffer_length,
 130                                         in_input_buffer,
 131                                         in_additional_information,
 132                                         in_flags);
 133         if (subreq == NULL) {
 134                 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
 135         }
 136         tevent_req_set_callback(subreq, smbd_smb2_request_getinfo_done, req);
 137
 138         return smbd_smb2_request_pending_queue(req, subreq, 500);
 139 }
 140
 141 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq)
 142 {
 143         struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
 144                                         struct smbd_smb2_request);
 145         DATA_BLOB outbody;
 146         DATA_BLOB outdyn;
 147         uint16_t out_output_buffer_offset;
 148         DATA_BLOB out_output_buffer = data_blob_null;
 149         NTSTATUS status;
 150         NTSTATUS call_status = NT_STATUS_OK;
 151         NTSTATUS error; /* transport error */
 152
 153         status = smbd_smb2_getinfo_recv(subreq,
 154                                         req,
 155                                         &out_output_buffer,
 156                                         &call_status);
 157         TALLOC_FREE(subreq);
 158         if (!NT_STATUS_IS_OK(status)) {
 159                 error = smbd_smb2_request_error(req, status);
 160                 if (!NT_STATUS_IS_OK(error)) {
 161                         smbd_server_connection_terminate(req->xconn,
 162                                                          nt_errstr(error));
 163                         return;
 164                 }
 165                 return;
 166         }
 167
 168         /* some GetInfo responses set STATUS_BUFFER_OVERFLOW and return partial,
 169            but valid data */
 170         if (!(NT_STATUS_IS_OK(call_status) ||
 171               NT_STATUS_EQUAL(call_status, STATUS_BUFFER_OVERFLOW))) {
 172                 /* Return a specific error with data. */
 173                 error = smbd_smb2_request_error_ex(req,
 174                                                 call_status,
 175                                                 &out_output_buffer,
 176                                                 __location__);
 177                 if (!NT_STATUS_IS_OK(error)) {
 178                         smbd_server_connection_terminate(req->xconn,
 179                                                          nt_errstr(error));
 180                         return;
 181                 }
 182                 return;
 183         }
 184
 185         out_output_buffer_offset = SMB2_HDR_BODY + 0x08;
 186
 187         outbody = smbd_smb2_generate_outbody(req, 0x08);
 188         if (outbody.data == NULL) {
 189                 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
 190                 if (!NT_STATUS_IS_OK(error)) {
 191                         smbd_server_connection_terminate(req->xconn,
 192                                                          nt_errstr(error));
 193                         return;
 194                 }
 195                 return;
 196         }
 197
 198         SSVAL(outbody.data, 0x00, 0x08 + 1);    /* struct size */
 199         SSVAL(outbody.data, 0x02,
 200               out_output_buffer_offset);        /* output buffer offset */
 201         SIVAL(outbody.data, 0x04,
 202               out_output_buffer.length);        /* output buffer length */
 203
 204         outdyn = out_output_buffer;
 205
 206         error = smbd_smb2_request_done_ex(req, call_status, outbody, &outdyn, __location__);
 207         if (!NT_STATUS_IS_OK(error)) {
 208                 smbd_server_connection_terminate(req->xconn,
 209                                                  nt_errstr(error));
 210                 return;
 211         }
 212 }
 213
 214 struct smbd_smb2_getinfo_state {
 215         struct smbd_smb2_request *smb2req;
 216         NTSTATUS status;
 217         DATA_BLOB out_output_buffer;
 218 };
 219
 220 static void smb2_ipc_getinfo(struct tevent_req *req,
 221                                 struct smbd_smb2_getinfo_state *state,
 222                                 struct tevent_context *ev,
 223                                 uint8_t in_info_type,
 224                                 uint8_t in_file_info_class)
 225 {
 226         /* We want to reply to SMB2_GETINFO_FILE
 227            with a class of SMB2_FILE_STANDARD_INFO as
 228            otherwise a Win7 client issues this request
 229            twice (2xroundtrips) if we return NOT_SUPPORTED.
 230            NB. We do the same for SMB1 in call_trans2qpipeinfo() */
 231
 232         if (in_info_type == 0x01 && /* SMB2_GETINFO_FILE */
 233                         in_file_info_class == 0x05) { /* SMB2_FILE_STANDARD_INFO */
 234                 state->out_output_buffer = data_blob_talloc(state,
 235                                                 NULL, 24);
 236                 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
 237                         return;
 238                 }
 239
 240                 memset(state->out_output_buffer.data,0,24);
 241                 SOFF_T(state->out_output_buffer.data,0,4096LL);
 242                 SIVAL(state->out_output_buffer.data,16,1);
 243                 SIVAL(state->out_output_buffer.data,20,1);
 244                 tevent_req_done(req);
 245         } else {
 246                 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
 247         }
 248 }
 249
 250 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
 251                                                  struct tevent_context *ev,
 252                                                  struct smbd_smb2_request *smb2req,
 253                                                  struct files_struct *fsp,
 254                                                  uint8_t in_info_type,
 255                                                  uint8_t in_file_info_class,
 256                                                  uint32_t in_output_buffer_length,
 257                                                  DATA_BLOB in_input_buffer,
 258                                                  uint32_t in_additional_information,
 259                                                  uint32_t in_flags)
 260 {
 261         struct tevent_req *req;
 262         struct smbd_smb2_getinfo_state *state;
 263         struct smb_request *smbreq;
 264         connection_struct *conn = smb2req->tcon->compat;
 265         NTSTATUS status;
 266
 267         req = tevent_req_create(mem_ctx, &state,
 268                                 struct smbd_smb2_getinfo_state);
 269         if (req == NULL) {
 270                 return NULL;
 271         }
 272         state->smb2req = smb2req;
 273         state->status = NT_STATUS_OK;
 274         state->out_output_buffer = data_blob_null;
 275
 276         DEBUG(10,("smbd_smb2_getinfo_send: %s - %s\n",
 277                   fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
 278
 279         smbreq = smbd_smb2_fake_smb_request(smb2req);
 280         if (tevent_req_nomem(smbreq, req)) {
 281                 return tevent_req_post(req, ev);
 282         }
 283
 284         if (IS_IPC(conn)) {
 285                 smb2_ipc_getinfo(req, state, ev,
 286                         in_info_type, in_file_info_class);
 287                 return tevent_req_post(req, ev);
 288         }
 289
 290         switch (in_info_type) {
 291         case SMB2_0_INFO_FILE:
 292         {
 293                 uint16_t file_info_level;
 294                 char *data = NULL;
 295                 unsigned int data_size = 0;
 296                 bool delete_pending = false;
 297                 struct timespec write_time_ts;
 298                 struct file_id fileid;
 299                 struct ea_list *ea_list = NULL;
 300                 int lock_data_count = 0;
 301                 char *lock_data = NULL;
 302                 size_t fixed_portion;
 303
 304                 ZERO_STRUCT(write_time_ts);
 305
 306                 switch (in_file_info_class) {
 307                 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
 308                         file_info_level = 0xFF00 | in_file_info_class;
 309                         break;
 310
 311                 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
 312                         file_info_level = 0xFF00 | in_file_info_class;
 313                         break;
 314
 315                 default:
 316                         /* the levels directly map to the passthru levels */
 317                         file_info_level = in_file_info_class + 1000;
 318                         break;
 319                 }
 320
 321                 switch (file_info_level) {
 322                 case SMB_FILE_NORMALIZED_NAME_INFORMATION:
 323                         if (smb2req->xconn->protocol < PROTOCOL_SMB3_11) {
 324                                 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
 325                                 return tevent_req_post(req, ev);
 326                         }
 327                         break;
 328                 }
 329
 330                 if (fsp->fake_file_handle) {
 331                         /*
 332                          * This is actually for the QUOTA_FAKE_FILE --metze
 333                          */
 334
 335                         /* We know this name is ok, it's already passed the checks. */
 336
 337                 } else if (fsp->fh->fd == -1) {
 338                         /*
 339                          * This is actually a QFILEINFO on a directory
 340                          * handle (returned from an NT SMB). NT5.0 seems
 341                          * to do this call. JRA.
 342                          */
 343
 344                         if (fsp->fsp_name->flags & SMB_FILENAME_POSIX_PATH) {
 345                                 /* Always do lstat for UNIX calls. */
 346                                 if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
 347                                         DEBUG(3,("smbd_smb2_getinfo_send: "
 348                                                  "SMB_VFS_LSTAT of %s failed "
 349                                                  "(%s)\n", fsp_str_dbg(fsp),
 350                                                  strerror(errno)));
 351                                         status = map_nt_error_from_unix(errno);
 352                                         tevent_req_nterror(req, status);
 353                                         return tevent_req_post(req, ev);
 354                                 }
 355                         } else if (SMB_VFS_STAT(conn, fsp->fsp_name)) {
 356                                 DEBUG(3,("smbd_smb2_getinfo_send: "
 357                                          "SMB_VFS_STAT of %s failed (%s)\n",
 358                                          fsp_str_dbg(fsp),
 359                                          strerror(errno)));
 360                                 status = map_nt_error_from_unix(errno);
 361                                 tevent_req_nterror(req, status);
 362                                 return tevent_req_post(req, ev);
 363                         }
 364
 365                         if (lp_smbd_getinfo_ask_sharemode(SNUM(conn))) {
 366                                 fileid = vfs_file_id_from_sbuf(
 367                                         conn, &fsp->fsp_name->st);
 368                                 get_file_infos(fileid, fsp->name_hash,
 369                                                &delete_pending,
 370                                                &write_time_ts);
 371                         }
 372                 } else {
 373                         /*
 374                          * Original code - this is an open file.
 375                          */
 376
 377                         if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
 378                                 DEBUG(3, ("smbd_smb2_getinfo_send: "
 379                                           "fstat of %s failed (%s)\n",
 380                                           fsp_fnum_dbg(fsp), strerror(errno)));
 381                                 status = map_nt_error_from_unix(errno);
 382                                 tevent_req_nterror(req, status);
 383                                 return tevent_req_post(req, ev);
 384                         }
 385                         if (lp_smbd_getinfo_ask_sharemode(SNUM(conn))) {
 386                                 fileid = vfs_file_id_from_sbuf(
 387                                         conn, &fsp->fsp_name->st);
 388                                 get_file_infos(fileid, fsp->name_hash,
 389                                                &delete_pending,
 390                                                &write_time_ts);
 391                         }
 392                 }
 393
 394                 status = smbd_do_qfilepathinfo(conn, state,
 395                                                smbreq,
 396                                                file_info_level,
 397                                                fsp,
 398                                                fsp->fsp_name,
 399                                                delete_pending,
 400                                                write_time_ts,
 401                                                ea_list,
 402                                                lock_data_count,
 403                                                lock_data,
 404                                                STR_UNICODE,
 405                                                in_output_buffer_length,
 406                                                &fixed_portion,
 407                                                &data,
 408                                                &data_size);
 409                 if (!NT_STATUS_IS_OK(status)) {
 410                         SAFE_FREE(data);
 411                         if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
 412                                 status = NT_STATUS_INVALID_INFO_CLASS;
 413                         }
 414                         tevent_req_nterror(req, status);
 415                         return tevent_req_post(req, ev);
 416                 }
 417                 if (in_output_buffer_length < fixed_portion) {
 418                         SAFE_FREE(data);
 419                         tevent_req_nterror(
 420                                 req, NT_STATUS_INFO_LENGTH_MISMATCH);
 421                         return tevent_req_post(req, ev);
 422                 }
 423                 if (data_size > 0) {
 424                         state->out_output_buffer = data_blob_talloc(state,
 425                                                                     data,
 426                                                                     data_size);
 427                         SAFE_FREE(data);
 428                         if (tevent_req_nomem(state->out_output_buffer.data, req)) {
 429                                 return tevent_req_post(req, ev);
 430                         }
 431                         if (data_size > in_output_buffer_length) {
 432                                 state->out_output_buffer.length =
 433                                         in_output_buffer_length;
 434                                 status = STATUS_BUFFER_OVERFLOW;
 435                         }
 436                 }
 437                 SAFE_FREE(data);
 438                 break;
 439         }
 440
 441         case SMB2_0_INFO_FILESYSTEM:
 442         {
 443                 uint16_t file_info_level;
 444                 char *data = NULL;
 445                 int data_size = 0;
 446                 size_t fixed_portion;
 447
 448                 /* the levels directly map to the passthru levels */
 449                 file_info_level = in_file_info_class + 1000;
 450
 451                 status = smbd_do_qfsinfo(smb2req->xconn, conn, state,
 452                                          file_info_level,
 453                                          STR_UNICODE,
 454                                          in_output_buffer_length,
 455                                          &fixed_portion,
 456                                          fsp->fsp_name,
 457                                          &data,
 458                                          &data_size);
 459                 /* some responses set STATUS_BUFFER_OVERFLOW and return
 460                    partial, but valid data */
 461                 if (!(NT_STATUS_IS_OK(status) ||
 462                       NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW))) {
 463                         SAFE_FREE(data);
 464                         if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
 465                                 status = NT_STATUS_INVALID_INFO_CLASS;
 466                         }
 467                         tevent_req_nterror(req, status);
 468                         return tevent_req_post(req, ev);
 469                 }
 470                 if (in_output_buffer_length < fixed_portion) {
 471                         SAFE_FREE(data);
 472                         tevent_req_nterror(
 473                                 req, NT_STATUS_INFO_LENGTH_MISMATCH);
 474                         return tevent_req_post(req, ev);
 475                 }
 476                 if (data_size > 0) {
 477                         state->out_output_buffer = data_blob_talloc(state,
 478                                                                     data,
 479                                                                     data_size);
 480                         SAFE_FREE(data);
 481                         if (tevent_req_nomem(state->out_output_buffer.data, req)) {
 482                                 return tevent_req_post(req, ev);
 483                         }
 484                         if (data_size > in_output_buffer_length) {
 485                                 state->out_output_buffer.length =
 486                                         in_output_buffer_length;
 487                                 status = STATUS_BUFFER_OVERFLOW;
 488                         }
 489                 }
 490                 SAFE_FREE(data);
 491                 break;
 492         }
 493
 494         case SMB2_0_INFO_SECURITY:
 495         {
 496                 uint8_t *p_marshalled_sd = NULL;
 497                 size_t sd_size = 0;
 498
 499                 status = smbd_do_query_security_desc(conn,
 500                                 state,
 501                                 fsp,
 502                                 /* Security info wanted. */
 503                                 in_additional_information &
 504                                 SMB_SUPPORTED_SECINFO_FLAGS,
 505                                 in_output_buffer_length,
 506                                 &p_marshalled_sd,
 507                                 &sd_size);
 508
 509                 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
 510                         /* Return needed size. */
 511                         state->out_output_buffer = data_blob_talloc(state,
 512                                                                     NULL,
 513                                                                     4);
 514                         if (tevent_req_nomem(state->out_output_buffer.data, req)) {
 515                                 return tevent_req_post(req, ev);
 516                         }
 517                         SIVAL(state->out_output_buffer.data,0,(uint32_t)sd_size);
 518                         state->status = NT_STATUS_BUFFER_TOO_SMALL;
 519                         break;
 520                 }
 521                 if (!NT_STATUS_IS_OK(status)) {
 522                         DEBUG(10,("smbd_smb2_getinfo_send: "
 523                                  "smbd_do_query_security_desc of %s failed "
 524                                  "(%s)\n", fsp_str_dbg(fsp),
 525                                  nt_errstr(status)));
 526                         tevent_req_nterror(req, status);
 527                         return tevent_req_post(req, ev);
 528                 }
 529
 530                 if (sd_size > 0) {
 531                         state->out_output_buffer = data_blob_talloc(state,
 532                                                                     p_marshalled_sd,
 533                                                                     sd_size);
 534                         if (tevent_req_nomem(state->out_output_buffer.data, req)) {
 535                                 return tevent_req_post(req, ev);
 536                         }
 537                 }
 538                 break;
 539         }
 540
 541         case SMB2_0_INFO_QUOTA: {
 542 #ifdef HAVE_SYS_QUOTAS
 543                 struct smb2_query_quota_info info;
 544                 enum ndr_err_code err;
 545                 uint8_t *data = NULL;
 546                 uint32_t data_size = 0;
 547                 struct ndr_pull *ndr_pull = NULL;
 548                 DATA_BLOB sid_buf = data_blob_null;
 549                 TALLOC_CTX *tmp_ctx = talloc_init("geninfo_quota");
 550                 bool ok;
 551
 552                 if (!tmp_ctx) {
 553                         tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
 554                         return tevent_req_post(req, ev);
 555                 }
 556
 557                 ok = check_fsp_ntquota_handle(conn, smbreq, fsp);
 558                 if (!ok) {
 559                         DBG_INFO("no valid QUOTA HANDLE\n");
 560                         TALLOC_FREE(tmp_ctx);
 561                         tevent_req_nterror(req, NT_STATUS_INVALID_HANDLE);
 562                         return tevent_req_post(req, ev);
 563                 }
 564
 565                 ndr_pull = ndr_pull_init_blob(&in_input_buffer, tmp_ctx);
 566                 if (!ndr_pull) {
 567                         TALLOC_FREE(tmp_ctx);
 568                         tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
 569                         return tevent_req_post(req, ev);
 570                 }
 571
 572                 err = ndr_pull_smb2_query_quota_info(ndr_pull,
 573                                                      NDR_SCALARS | NDR_BUFFERS,
 574                                                      &info);
 575
 576                 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
 577                         DBG_DEBUG("failed to pull smb2_query_quota_info\n");
 578                         TALLOC_FREE(tmp_ctx);
 579                         tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
 580                         return tevent_req_post(req, ev);
 581                 }
 582
 583                 DBG_DEBUG("quota list returnsingle %u, restartscan %u, "
 584                           "sid_list_length %u, start_sid_length %u, "
 585                           "startsidoffset %u\n",
 586                           (unsigned int)info.return_single,
 587                           (unsigned int)info.restart_scan,
 588                           (unsigned int)info.sid_list_length,
 589                           (unsigned int)info.start_sid_length,
 590                           (unsigned int)info.start_sid_offset);
 591
 592                 /* Currently we do not support the single start sid format */
 593                 if (info.start_sid_length != 0 || info.start_sid_offset != 0 ) {
 594                         DBG_INFO("illegal single sid query\n");
 595                         TALLOC_FREE(tmp_ctx);
 596                         tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 597                         return tevent_req_post(req, ev);
 598                 }
 599
 600                 if (in_input_buffer.length < ndr_pull->offset) {
 601                         DBG_INFO("Invalid buffer length\n");
 602                         TALLOC_FREE(tmp_ctx);
 603                         tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 604                         return tevent_req_post(req, ev);
 605                 }
 606
 607                 sid_buf.data = in_input_buffer.data + ndr_pull->offset;
 608                 sid_buf.length = in_input_buffer.length - ndr_pull->offset;
 609
 610                 status = smbd_do_query_getinfo_quota(tmp_ctx,
 611                                   fsp,
 612                                   info.restart_scan,
 613                                   info.return_single,
 614                                   info.sid_list_length,
 615                                   &sid_buf,
 616                                   in_output_buffer_length,
 617                                   &data,
 618                                   &data_size);
 619
 620                 if (!NT_STATUS_IS_OK(status)) {
 621                         TALLOC_FREE(tmp_ctx);
 622                         tevent_req_nterror(req, status);
 623                         return tevent_req_post(req, ev);
 624                 }
 625
 626                 state->out_output_buffer =
 627                         data_blob_talloc(state, data, data_size);
 628                 status  = NT_STATUS_OK;
 629                 TALLOC_FREE(tmp_ctx);
 630                 break;
 631 #else
 632                 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
 633                 return tevent_req_post(req, ev);
 634 #endif
 635         }
 636
 637         default:
 638                 DEBUG(10,("smbd_smb2_getinfo_send: "
 639                         "unknown in_info_type of %u "
 640                         " for file %s\n",
 641                         (unsigned int)in_info_type,
 642                         fsp_str_dbg(fsp) ));
 643
 644                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 645                 return tevent_req_post(req, ev);
 646         }
 647
 648         state->status = status;
 649         tevent_req_done(req);
 650         return tevent_req_post(req, ev);
 651 }
 652
 653 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
 654                                        TALLOC_CTX *mem_ctx,
 655                                        DATA_BLOB *out_output_buffer,
 656                                        NTSTATUS *pstatus)
 657 {
 658         NTSTATUS status;
 659         struct smbd_smb2_getinfo_state *state = tevent_req_data(req,
 660                                                 struct smbd_smb2_getinfo_state);
 661
 662         if (tevent_req_is_nterror(req, &status)) {
 663                 tevent_req_received(req);
 664                 return status;
 665         }
 666
 667         *out_output_buffer = state->out_output_buffer;
 668         talloc_steal(mem_ctx, out_output_buffer->data);
 669         *pstatus = state->status;
 670
 671         tevent_req_received(req);
 672         return NT_STATUS_OK;
 673 }