source/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 /* autogenerated client stubs */
  25
  26 #include "librpc/gen_ndr/cli_wkssvc.h"
  27
  28 /* macro to expand cookie-cutter code in cli_xxx() using rpc_api_pipe_req() */
  29
  30 #define CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  31                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, copy_sess_key ) \
  32 {\
  33         SMB_ASSERT(pcli->pipe_idx == p_idx); \
  34         if (!prs_init( &q_ps, RPC_MAX_PDU_FRAG_LEN, ctx, MARSHALL )) { \
  35                 return NT_STATUS_NO_MEMORY;\
  36         }\
  37         if (!prs_init( &r_ps, 0, ctx, UNMARSHALL )) {\
  38                 prs_mem_free( &q_ps );\
  39                 return NT_STATUS_NO_MEMORY;\
  40         }\
  41         if ( copy_sess_key) prs_set_session_key(&q_ps, (const char *)pcli->dc->sess_key);\
  42         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  43                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  44                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  45                         prs_mem_free( &q_ps );\
  46                         prs_mem_free( &r_ps );\
  47                         return _smb_pipe_stat_;\
  48                 }\
  49                 if ( copy_sess_key ) prs_set_session_key(&r_ps, (const char *)pcli->dc->sess_key);\
  50                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
  51                         prs_mem_free( &q_ps );\
  52                         prs_mem_free( &r_ps );\
  53                         return default_error;\
  54                 }\
  55         } else {\
  56                 prs_mem_free( &q_ps );\
  57                 prs_mem_free( &r_ps );\
  58                 return default_error;\
  59         }\
  60         prs_mem_free( &q_ps );\
  61         prs_mem_free( &r_ps );\
  62 }
  63
  64 #define CLI_DO_RPC_COPY_SESS_KEY( pcli, ctx, p_idx, opnum, q_in, r_out, \
  65                                   q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  66 {\
  67         CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  68                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, True ); \
  69 }
  70
  71 #define CLI_DO_RPC( pcli, ctx, p_idx, opnum, q_in, r_out, \
  72                     q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  73 {\
  74         CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  75                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, False ); \
  76 }
  77
  78
  79 /* Arrrgg. Same but with WERRORS. Needed for registry code. */
  80
  81 #define CLI_DO_RPC_WERR( pcli, ctx, p_idx, opnum, q_in, r_out, \
  82                              q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  83 {\
  84         SMB_ASSERT(pcli->pipe_idx == p_idx); \
  85         if (!prs_init( &q_ps, RPC_MAX_PDU_FRAG_LEN, ctx, MARSHALL )) { \
  86                 return WERR_NOMEM;\
  87         }\
  88         if (!prs_init( &r_ps, 0, ctx, UNMARSHALL )) {\
  89                 prs_mem_free( &q_ps );\
  90                 return WERR_NOMEM;\
  91         }\
  92         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  93                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  94                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  95                         prs_mem_free( &q_ps );\
  96                         prs_mem_free( &r_ps );\
  97                         return ntstatus_to_werror(_smb_pipe_stat_);\
  98                 }\
  99                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
 100                         prs_mem_free( &q_ps );\
 101                         prs_mem_free( &r_ps );\
 102                         return default_error;\
 103                 }\
 104         } else {\
 105                 prs_mem_free( &q_ps );\
 106                 prs_mem_free( &r_ps );\
 107                 return default_error;\
 108         }\
 109         prs_mem_free( &q_ps );\
 110         prs_mem_free( &r_ps );\
 111 }
 112
 113 #endif /* _RPC_CLIENT_H */