release/src/router/samba3/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 /* macro to expand cookie-cutter code in cli_xxx() using rpc_api_pipe_req() */
  25
  26 #define CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  27                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, copy_sess_key ) \
  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 ( copy_sess_key) prs_set_session_key(&q_ps, (const char *)pcli->dc->sess_key);\
  38         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  39                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  40                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  41                         prs_mem_free( &q_ps );\
  42                         prs_mem_free( &r_ps );\
  43                         return _smb_pipe_stat_;\
  44                 }\
  45                 if ( copy_sess_key ) prs_set_session_key(&r_ps, (const char *)pcli->dc->sess_key);\
  46                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
  47                         prs_mem_free( &q_ps );\
  48                         prs_mem_free( &r_ps );\
  49                         return default_error;\
  50                 }\
  51         } else {\
  52                 prs_mem_free( &q_ps );\
  53                 prs_mem_free( &r_ps );\
  54                 return default_error;\
  55         }\
  56         prs_mem_free( &q_ps );\
  57         prs_mem_free( &r_ps );\
  58 }
  59
  60 #define CLI_DO_RPC_COPY_SESS_KEY( pcli, ctx, p_idx, opnum, q_in, r_out, \
  61                                   q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  62 {\
  63         CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  64                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, True ); \
  65 }
  66
  67 #define CLI_DO_RPC( pcli, ctx, p_idx, opnum, q_in, r_out, \
  68                     q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  69 {\
  70         CLI_DO_RPC_INTERNAL( pcli, ctx, p_idx, opnum, q_in, r_out, \
  71                              q_ps, r_ps, q_io_fn, r_io_fn, default_error, False ); \
  72 }
  73
  74
  75 /* Arrrgg. Same but with WERRORS. Needed for registry code. */
  76
  77 #define CLI_DO_RPC_WERR( pcli, ctx, p_idx, opnum, q_in, r_out, \
  78                              q_ps, r_ps, q_io_fn, r_io_fn, default_error ) \
  79 {\
  80         SMB_ASSERT(pcli->pipe_idx == p_idx); \
  81         if (!prs_init( &q_ps, RPC_MAX_PDU_FRAG_LEN, ctx, MARSHALL )) { \
  82                 return WERR_NOMEM;\
  83         }\
  84         if (!prs_init( &r_ps, 0, ctx, UNMARSHALL )) {\
  85                 prs_mem_free( &q_ps );\
  86                 return WERR_NOMEM;\
  87         }\
  88         if ( q_io_fn("", &q_in, &q_ps, 0) ) {\
  89                 NTSTATUS _smb_pipe_stat_ = rpc_api_pipe_req(pcli, opnum, &q_ps, &r_ps); \
  90                 if (!NT_STATUS_IS_OK(_smb_pipe_stat_)) {\
  91                         prs_mem_free( &q_ps );\
  92                         prs_mem_free( &r_ps );\
  93                         return ntstatus_to_werror(_smb_pipe_stat_);\
  94                 }\
  95                 if (!r_io_fn("", &r_out, &r_ps, 0)) {\
  96                         prs_mem_free( &q_ps );\
  97                         prs_mem_free( &r_ps );\
  98                         return default_error;\
  99                 }\
 100         } else {\
 101                 prs_mem_free( &q_ps );\
 102                 prs_mem_free( &r_ps );\
 103                 return default_error;\
 104         }\
 105         prs_mem_free( &q_ps );\
 106         prs_mem_free( &r_ps );\
 107 }
 108
 109 #endif /* _RPC_CLIENT_H */