source3/rpc_server/rpc_pipes.h

   1 /*
   2    Unix SMB/Netbios implementation.
   3    RPC Server Headers
   4    Copyright (C) Andrew Tridgell 1992-1997
   5    Copyright (C) Luke Kenneth Casson Leighton 1996-1997
   6    Copyright (C) Paul Ashton 1997
   7    Copyright (C) Jeremy Allison 2000-2004
   8    Copyright (C) Simo Sorce 2010-2011
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #ifndef _RPC_PIPES_H_
  25 #define _RPC_PIPES_H_
  26
  27 #include "source3/librpc/rpc/dcerpc.h"
  28
  29 struct tsocket_address;
  30 struct pipes_struct;
  31 struct dcesrv_context;
  32
  33 /*
  34  * DCE/RPC-specific samba-internal-specific handling of data on
  35  * NamedPipes.
  36  */
  37 struct pipes_struct {
  38         enum dcerpc_transport_t transport;
  39
  40         struct messaging_context *msg_ctx;
  41
  42         /*
  43          * Set the DCERPC_FAULT to return.
  44          */
  45         int fault_state;
  46
  47         /* This context is used for PDU data and is freed between each pdu.
  48                 Don't use for pipe state storage. */
  49         TALLOC_CTX *mem_ctx;
  50
  51         /* handle database to use on this pipe. */
  52         struct dcesrv_call_state *dce_call;
  53 };
  54
  55 bool check_open_pipes(void);
  56 size_t num_pipe_handles(void);
  57
  58 void *create_policy_hnd(struct pipes_struct *p,
  59                         struct policy_handle *hnd,
  60                         uint8_t handle_type,
  61                         void *data_ptr);
  62
  63 void *_find_policy_by_hnd(struct pipes_struct *p,
  64                           const struct policy_handle *hnd,
  65                           uint8_t handle_type,
  66                           NTSTATUS *pstatus);
  67 #define find_policy_by_hnd(_p, _hnd, _hnd_type, _type, _pstatus) \
  68         (_type *)_find_policy_by_hnd((_p), (_hnd), (_hnd_type), (_pstatus));
  69
  70 bool close_policy_hnd(struct pipes_struct *p, struct policy_handle *hnd);
  71 bool pipe_access_check(struct pipes_struct *p);
  72
  73 #define DCESRV_COMPAT_NOT_USED_ON_WIRE(__opname) \
  74 void _## __opname(struct pipes_struct *p, struct __opname *r) \
  75 { \
  76         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; \
  77 }
  78
  79 #endif /* _RPC_PIPES_H_ */