source: branches/samba-3.3.x/source/rpc_client/cli_svcctl.c

/*
 *  Unix SMB/CIFS implementation.
 *  RPC Pipe client / server routines
 *  Copyright (C) Gerald Carter                   2005.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */


#include "includes.h"
#include "rpc_client.h"

/*******************************************************************
*******************************************************************/

WERROR rpccli_svcctl_enumerate_services( struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                                      POLICY_HND *hSCM, uint32 type, uint32 state, 
                                      uint32 *returned, ENUM_SERVICES_STATUS **service_array  )
{
        SVCCTL_Q_ENUM_SERVICES_STATUS in;
        SVCCTL_R_ENUM_SERVICES_STATUS out;
        prs_struct qbuf, rbuf;
        uint32 resume = 0;
        ENUM_SERVICES_STATUS *services;
        int i;

        ZERO_STRUCT(in);
        ZERO_STRUCT(out);
        
        /* setup the request */
        
        memcpy( &in.handle, hSCM, sizeof(POLICY_HND) );
        
        in.type        = type;
        in.state       = state;
        in.resume      = &resume;
        
        /* first time is to get the buffer size */
        in.buffer_size = 0;

        CLI_DO_RPC_WERR( cli, mem_ctx, &ndr_table_svcctl.syntax_id, SVCCTL_ENUM_SERVICES_STATUS_W,
                    in, out, 
                    qbuf, rbuf,
                    svcctl_io_q_enum_services_status,
                    svcctl_io_r_enum_services_status, 
                    WERR_GENERAL_FAILURE );

        /* second time with correct buffer size...should be ok */
        
        if ( W_ERROR_EQUAL( out.status, WERR_MORE_DATA ) ) {
                in.buffer_size = out.needed;

                CLI_DO_RPC_WERR( cli, mem_ctx, &ndr_table_svcctl.syntax_id,
                                 SVCCTL_ENUM_SERVICES_STATUS_W,
                            in, out, 
                            qbuf, rbuf,
                            svcctl_io_q_enum_services_status,
                            svcctl_io_r_enum_services_status, 
                            WERR_GENERAL_FAILURE );
        }
        
        if ( !W_ERROR_IS_OK(out.status) ) 
                return out.status;
                
        /* pull out the data */
        if (out.returned) {
                if ( !(services = TALLOC_ARRAY( mem_ctx, ENUM_SERVICES_STATUS, out.returned )) ) 
                        return WERR_NOMEM;
        } else {
                services = NULL;
        }
                
        for ( i=0; i<out.returned; i++ ) {
                svcctl_io_enum_services_status( "", &services[i], &out.buffer, 0 );
        }
        
        *service_array = services;
        *returned      = out.returned;
        
        return out.status;
}