source3/include/async_smb.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Infrastructure for async SMB client requests
   4    Copyright (C) Volker Lendecke 2008
   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 #ifndef __ASYNC_SMB_H__
  21 #define __ASYNC_SMB_H__
  22
  23 struct cli_state;
  24
  25 /*
  26  * Fetch an error out of a NBT packet
  27  */
  28
  29 NTSTATUS cli_pull_error(char *buf);
  30
  31 /*
  32  * Compatibility helper for the sync APIs: Fake NTSTATUS in cli->inbuf
  33  */
  34
  35 void cli_set_error(struct cli_state *cli, NTSTATUS status);
  36
  37 struct tevent_req *cli_smb_req_create(TALLOC_CTX *mem_ctx,
  38                                       struct event_context *ev,
  39                                       struct cli_state *cli,
  40                                       uint8_t smb_command,
  41                                       uint8_t additional_flags,
  42                                       uint8_t wct, uint16_t *vwv,
  43                                       int iov_count,
  44                                       struct iovec *bytes_iov);
  45 NTSTATUS cli_smb_req_send(struct tevent_req *req);
  46 size_t cli_smb_wct_ofs(struct tevent_req **reqs, int num_reqs);
  47 NTSTATUS cli_smb_chain_send(struct tevent_req **reqs, int num_reqs);
  48 uint8_t *cli_smb_inbuf(struct tevent_req *req);
  49 bool cli_has_async_calls(struct cli_state *cli);
  50 void cli_smb_req_unset_pending(struct tevent_req *req);
  51 bool cli_smb_req_set_pending(struct tevent_req *req);
  52 uint16_t cli_smb_req_mid(struct tevent_req *req);
  53 void cli_smb_req_set_mid(struct tevent_req *req, uint16_t mid);
  54 uint32_t cli_smb_req_seqnum(struct tevent_req *req);
  55 void cli_smb_req_set_seqnum(struct tevent_req *req, uint32_t seqnum);
  56 struct tevent_req *cli_smb_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
  57                                 struct cli_state *cli,
  58                                 uint8_t smb_command, uint8_t additional_flags,
  59                                 uint8_t wct, uint16_t *vwv,
  60                                 uint32_t num_bytes,
  61                                 const uint8_t *bytes);
  62 NTSTATUS cli_smb_recv(struct tevent_req *req,
  63                       TALLOC_CTX *mem_ctx, uint8_t **pinbuf,
  64                       uint8_t min_wct, uint8_t *pwct, uint16_t **pvwv,
  65                       uint32_t *pnum_bytes, uint8_t **pbytes);
  66
  67 struct tevent_req *cli_smb_oplock_break_waiter_send(TALLOC_CTX *mem_ctx,
  68                                                     struct event_context *ev,
  69                                                     struct cli_state *cli);
  70 NTSTATUS cli_smb_oplock_break_waiter_recv(struct tevent_req *req,
  71                                           uint16_t *pfnum,
  72                                           uint8_t *plevel);
  73
  74 struct tevent_req *cli_session_request_send(TALLOC_CTX *mem_ctx,
  75                                             struct tevent_context *ev,
  76                                             int sock,
  77                                             const struct nmb_name *called,
  78                                             const struct nmb_name *calling);
  79 bool cli_session_request_recv(struct tevent_req *req, int *err, uint8_t *resp);
  80
  81 #endif