source3/include/rpc_client.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB parameters and setup
   4    Copyright (C) Gerald (Jerry) Carter         2005.
   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 2 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, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef _RPC_CLIENT_H
  22 #define _RPC_CLIENT_H
  23
  24 /* macro to expand cookie-cutter code in cli_xxx() using rpc_api_pipe_req() */
  25
  26 #define CLI_DO_RPC( pcli, ctx, p_idx, opnum, q_in, r_out, \
  27                              q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  28 {\
  29         SMB_ASSERT(pcli->pipe_idx == p_idx); \
  30         if (!prs_init( &q_ps, RPC_MAX_PDU_FRAG_LEN, ctx, MARSHALL )) { \
  31                 return NT_STATUS_NO_MEMORY;\
  32         }\
  33         if (!prs_init( &r_ps, 0, ctx, UNMARSHALL )) {\
  34                 prs_mem_free( &q_ps );\
  35                 return NT_STATUS_NO_MEMORY;\
  36         }\
  37         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  38                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  39                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  40                         prs_mem_free( &q_ps );\
  41                         prs_mem_free( &r_ps );\
  42                         return _smb_pipe_stat_;\
  43                 }\
  44                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
  45                         prs_mem_free( &q_ps );\
  46                         prs_mem_free( &r_ps );\
  47                         return default_error;\
  48                 }\
  49         } else {\
  50                 prs_mem_free( &q_ps );\
  51                 prs_mem_free( &r_ps );\
  52                 return default_error;\
  53         }\
  54         prs_mem_free( &q_ps );\
  55         prs_mem_free( &r_ps );\
  56 }
  57
  58 /* Arrrgg. Same but with WERRORS. Needed for registry code. */
  59
  60 #define CLI_DO_RPC_WERR( pcli, ctx, p_idx, opnum, q_in, r_out, \
  61                              q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  62 {\
  63         SMB_ASSERT(pcli->pipe_idx == p_idx); \
  64         if (!prs_init( &q_ps, RPC_MAX_PDU_FRAG_LEN, ctx, MARSHALL )) { \
  65                 return WERR_NOMEM;\
  66         }\
  67         if (!prs_init( &r_ps, 0, ctx, UNMARSHALL )) {\
  68                 prs_mem_free( &q_ps );\
  69                 return WERR_NOMEM;\
  70         }\
  71         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  72                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  73                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  74                         prs_mem_free( &q_ps );\
  75                         prs_mem_free( &r_ps );\
  76                         return ntstatus_to_werror(_smb_pipe_stat_);\
  77                 }\
  78                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
  79                         prs_mem_free( &q_ps );\
  80                         prs_mem_free( &r_ps );\
  81                         return default_error;\
  82                 }\
  83         } else {\
  84                 prs_mem_free( &q_ps );\
  85                 prs_mem_free( &r_ps );\
  86                 return default_error;\
  87         }\
  88         prs_mem_free( &q_ps );\
  89         prs_mem_free( &r_ps );\
  90 }
  91
  92 #endif /* _RPC_CLIENT_H */