libmsrpc/libmsrpc_internal.c

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/* 
 *  Unix SMB/CIFS implementation.
 *  MS-RPC client internal functions
 *  Copyright (C) Chris Nicholls              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 2 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, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "libmsrpc.h"
#include "libmsrpc_internal.h"

char *cac_unistr_to_str( TALLOC_CTX * mem_ctx, uint16 * src, int num_bytes );
char *talloc_unistr2_to_ascii( TALLOC_CTX * mem_ctx, UNISTR2 str );
char *cac_unistr_ascii( TALLOC_CTX * mem_ctx, UNISTR src );

/*used to get a struct rpc_pipe_client* to be passed into rpccli* calls*/
struct rpc_pipe_client *cac_GetPipe( CacServerHandle * hnd, int pi_idx )
{
        SMBCSRV *srv = NULL;
        struct rpc_pipe_client *pipe_hnd = NULL;

        if ( !hnd ) {
                return NULL;
        }

        if ( hnd->_internal.pipes[pi_idx] == False ) {
                hnd->status = NT_STATUS_INVALID_HANDLE;
                return NULL;
        }

        srv = cac_GetServer( hnd );
        if ( !srv ) {
                hnd->status = NT_STATUS_INVALID_CONNECTION;
                return NULL;
        }

        pipe_hnd = srv->cli->pipe_list;

        while ( pipe_hnd != NULL && pipe_hnd->pipe_idx != pi_idx ) {
                pipe_hnd = pipe_hnd->next;
        }

        return pipe_hnd;
}

/*takes a string like HKEY_LOCAL_MACHINE\HARDWARE\ACPI and returns the reg_type code and then a pointer to the start of the path (HARDWARE)*/
int cac_ParseRegPath( char *path, uint32 * reg_type, char **key_name )
{

        if ( !path )
                return CAC_FAILURE;

        if ( strncmp( path, "HKLM", 4 ) == 0 ) {
                *reg_type = HKEY_LOCAL_MACHINE;
                *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
        } else if ( strncmp( path, "HKEY_LOCAL_MACHINE", 18 ) == 0 ) {
                *reg_type = HKEY_LOCAL_MACHINE;
                *key_name = ( path[18] == '\\' ) ? path + 19 : NULL;
        } else if ( strncmp( path, "HKCR", 4 ) == 0 ) {
                *reg_type = HKEY_CLASSES_ROOT;
                *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
        } else if ( strncmp( path, "HKEY_CLASSES_ROOT", 17 ) == 0 ) {
                *reg_type = HKEY_CLASSES_ROOT;
                *key_name = ( path[17] == '\\' ) ? path + 18 : NULL;
        } else if ( strncmp( path, "HKU", 3 ) == 0 ) {
                *reg_type = HKEY_USERS;
                *key_name = ( path[3] == '\\' ) ? path + 4 : NULL;
        } else if ( strncmp( path, "HKEY_USERS", 10 ) == 0 ) {
                *reg_type = HKEY_USERS;
                *key_name = ( path[10] == '\\' ) ? path + 11 : NULL;
        } else if ( strncmp( path, "HKPD", 4 ) == 0 ) {
                *reg_type = HKEY_PERFORMANCE_DATA;
                *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
        } else if ( strncmp( path, "HKEY_PERFORMANCE_DATA", 21 ) == 0 ) {
                *reg_type = HKEY_PERFORMANCE_DATA;
                *key_name = ( path[21] == '\\' ) ? path + 22 : NULL;
        } else {
                return CAC_FAILURE;
        }

        return CAC_SUCCESS;
}



RPC_DATA_BLOB *cac_MakeRpcDataBlob( TALLOC_CTX * mem_ctx, uint32 data_type,
                                    REG_VALUE_DATA data )
{
        RPC_DATA_BLOB *blob = NULL;
        int i;
        uint32 size = 0;
        uint8 *multi = NULL;
        uint32 multi_idx = 0;

        blob = talloc( mem_ctx, RPC_DATA_BLOB );

        if ( !blob ) {
                errno = ENOMEM;
                return NULL;
        }

        switch ( data_type ) {
        case REG_SZ:
                init_rpc_blob_str( blob, data.reg_sz,
                                   strlen( data.reg_sz ) + 1 );
                break;

        case REG_EXPAND_SZ:
                init_rpc_blob_str( blob, data.reg_expand_sz,
                                   strlen( data.reg_sz ) + 1 );
                break;

        case REG_BINARY:
                init_rpc_blob_bytes( blob, data.reg_binary.data,
                                     data.reg_binary.data_length );
                break;

        case REG_DWORD:
                init_rpc_blob_uint32( blob, data.reg_dword );
                break;

        case REG_DWORD_BE:
                init_rpc_blob_uint32( blob, data.reg_dword_be );
                break;

        case REG_MULTI_SZ:
                /*need to find the size */
                for ( i = 0; i < data.reg_multi_sz.num_strings; i++ ) {
                        size += strlen( data.reg_multi_sz.strings[i] ) + 1;
                }

         /**need a whole bunch of unicode strings in a row (seperated by null characters), with an extra null-character on the end*/

                multi = TALLOC_ZERO_ARRAY( mem_ctx, uint8, ( size + 1 ) * 2 );  /*size +1 for the extra null character */
                if ( !multi ) {
                        errno = ENOMEM;
                        break;
                }

                /*do it using rpcstr_push() */
                multi_idx = 0;
                for ( i = 0; i < data.reg_multi_sz.num_strings; i++ ) {
                        size_t len =
                                strlen( data.reg_multi_sz.strings[i] ) + 1;

                        rpcstr_push( ( multi + multi_idx ),
                                     data.reg_multi_sz.strings[i], len * 2,
                                     STR_TERMINATE );

                        /* x2 becuase it is a uint8 buffer */
                        multi_idx += len * 2;
                }

                /*now initialize the buffer as binary data */
                init_rpc_blob_bytes( blob, multi, ( size + 1 ) * 2 );

                break;

        default:
                TALLOC_FREE( blob );
                blob = NULL;
                return NULL;
        }

        if ( !( blob->buffer ) ) {
                TALLOC_FREE( blob );
                return NULL;
        }

        return blob;
}

/*turns a string in a uint16 array to a char array*/
char *cac_unistr_to_str( TALLOC_CTX * mem_ctx, uint16 * src, int num_bytes )
{
        char *buf;

        int i = 0;

        uint32 str_len = 0;

        /*don't allocate more space than we need */
        while ( ( str_len ) < num_bytes / 2 && src[str_len] != 0x0000 )
                str_len++;

        /*need room for a '\0' */
        str_len++;

        buf = TALLOC_ARRAY( mem_ctx, char, str_len );

        if ( !buf ) {
                return NULL;
        }

        for ( i = 0; i < num_bytes / 2; i++ ) {
                buf[i] = ( ( char * ) src )[2 * i];
        }

        buf[str_len - 1] = '\0';

        return buf;
}

REG_VALUE_DATA *cac_MakeRegValueData( TALLOC_CTX * mem_ctx, uint32 data_type,
                                      REGVAL_BUFFER buf )
{
        REG_VALUE_DATA *data;

        uint32 i;

        /*all of the following used for MULTI_SZ data */
        uint32 size = 0;
        uint32 len = 0;
        uint32 multi_idx = 0;
        uint32 num_strings = 0;
        char **strings = NULL;

        data = talloc( mem_ctx, REG_VALUE_DATA );
        if ( !data ) {
                errno = ENOMEM;
                return NULL;
        }

        switch ( data_type ) {
        case REG_SZ:
                data->reg_sz =
                        cac_unistr_to_str( mem_ctx, buf.buffer, buf.buf_len );
                if ( !data->reg_sz ) {
                        TALLOC_FREE( data );
                        errno = ENOMEM;
                        data = NULL;
                }

                break;

        case REG_EXPAND_SZ:
                data->reg_expand_sz =
                        cac_unistr_to_str( mem_ctx, buf.buffer, buf.buf_len );

                if ( !data->reg_expand_sz ) {
                        TALLOC_FREE( data );
                        errno = ENOMEM;
                        data = NULL;
                }

                break;

        case REG_BINARY:
                size = buf.buf_len;

                data->reg_binary.data_length = size;

                if (size) {
                        data->reg_binary.data =
                                ( uint8 * ) TALLOC_MEMDUP( mem_ctx, buf.buffer, size );
                        if ( !data->reg_binary.data ) {
                                TALLOC_FREE( data );
                                errno = ENOMEM;
                                data = NULL;
                        }
                } else {
                        data->reg_binary.data = NULL;
                }
                break;

        case REG_DWORD:
                data->reg_dword = *( ( uint32 * ) buf.buffer );
                break;

        case REG_DWORD_BE:
                data->reg_dword_be = *( ( uint32 * ) buf.buffer );
                break;

        case REG_MULTI_SZ:
                size = buf.buf_len;

                /*find out how many strings there are. size is # of bytes and we want to work uint16 */
                for ( i = 0; i < ( size / 2 - 1 ); i++ ) {
                        if ( buf.buffer[i] == 0x0000 )
                                num_strings++;

                        /*buffer is suppsed to be terminated with \0\0, but it might not be */
                        if ( buf.buffer[i] == 0x0000
                             && buf.buffer[i + 1] == 0x0000 )
                                break;
                }

                if (num_strings) {
                        strings = TALLOC_ARRAY( mem_ctx, char *, num_strings );

                        if ( !strings ) {
                                errno = ENOMEM;
                                TALLOC_FREE( data );
                                break;
                        }
                } else {
                        strings = NULL;
                }

                if ( num_strings == 0 ) /*then our work here is done */
                        break;

                for ( i = 0; i < num_strings; i++ ) {
                        /*find out how many characters are in this string */
                        len = 0;
                        /*make sure we don't go past the end of the buffer and keep looping until we have a uni \0 */
                        while ( multi_idx + len < size / 2
                                && buf.buffer[multi_idx + len] != 0x0000 )
                                len++;

                        /*stay aware of the \0\0 */
                        len++;

                        strings[i] = TALLOC_ZERO_ARRAY( mem_ctx, char, len );

                        /*pull out the unicode string */
                        rpcstr_pull( strings[i], ( buf.buffer + multi_idx ),
                                     len, -1, STR_TERMINATE );

                        /*keep track of where we are in the bigger array */
                        multi_idx += len;
                }

                data->reg_multi_sz.num_strings = num_strings;
                data->reg_multi_sz.strings = strings;

                break;

        default:
                TALLOC_FREE( data );
                data = NULL;
        }

        return data;
}

SAM_USERINFO_CTR *cac_MakeUserInfoCtr( TALLOC_CTX * mem_ctx,
                                       CacUserInfo * info )
{
        SAM_USERINFO_CTR *ctr = NULL;

        /*the flags we are 'setting'- include/passdb.h */
        uint32 flags =
                ACCT_USERNAME | ACCT_FULL_NAME | ACCT_PRIMARY_GID |
                ACCT_DESCRIPTION | ACCT_COMMENT | ACCT_HOME_DIR |
                ACCT_HOME_DRIVE | ACCT_LOGON_SCRIPT | ACCT_PROFILE |
                ACCT_WORKSTATIONS | ACCT_FLAGS;

        NTTIME logon_time;
        NTTIME logoff_time;
        NTTIME kickoff_time;
        NTTIME pass_last_set_time;
        NTTIME pass_can_change_time;
        NTTIME pass_must_change_time;

        UNISTR2 user_name;
        UNISTR2 full_name;
        UNISTR2 home_dir;
        UNISTR2 dir_drive;
        UNISTR2 log_scr;
        UNISTR2 prof_path;
        UNISTR2 desc;
        UNISTR2 wkstas;
        UNISTR2 mung_dial;
        UNISTR2 unk;

        ctr = talloc( mem_ctx, SAM_USERINFO_CTR );
        if ( !ctr )
                return NULL;

        ZERO_STRUCTP( ctr->info.id23 );

        ctr->info.id21 = talloc( mem_ctx, SAM_USER_INFO_21 );
        if ( !ctr->info.id21 )
                return NULL;

        ctr->switch_value = 21;

        ZERO_STRUCTP( ctr->info.id21 );

        unix_to_nt_time( &logon_time, info->logon_time );
        unix_to_nt_time( &logoff_time, info->logoff_time );
        unix_to_nt_time( &kickoff_time, info->kickoff_time );
        unix_to_nt_time( &pass_last_set_time, info->pass_last_set_time );
        unix_to_nt_time( &pass_can_change_time, info->pass_can_change_time );
        unix_to_nt_time( &pass_must_change_time,
                         info->pass_must_change_time );

        /*initialize the strings */
        init_unistr2( &user_name, info->username, UNI_STR_TERMINATE );
        init_unistr2( &full_name, info->full_name, UNI_STR_TERMINATE );
        init_unistr2( &home_dir, info->home_dir, UNI_STR_TERMINATE );
        init_unistr2( &dir_drive, info->home_drive, UNI_STR_TERMINATE );
        init_unistr2( &log_scr, info->logon_script, UNI_STR_TERMINATE );
        init_unistr2( &prof_path, info->profile_path, UNI_STR_TERMINATE );
        init_unistr2( &desc, info->description, UNI_STR_TERMINATE );
        init_unistr2( &wkstas, info->workstations, UNI_STR_TERMINATE );
        init_unistr2( &unk, "\0", UNI_STR_TERMINATE );
        init_unistr2( &mung_dial, info->dial, UNI_STR_TERMINATE );

        /*manually set passmustchange */
        ctr->info.id21->passmustchange =
                ( info->pass_must_change ) ? 0x01 : 0x00;

        init_sam_user_info21W( ctr->info.id21, &logon_time, &logoff_time, &kickoff_time, &pass_last_set_time, &pass_can_change_time, &pass_must_change_time, &user_name, &full_name, &home_dir, &dir_drive, &log_scr, &prof_path, &desc, &wkstas, &unk, &mung_dial, info->lm_password, info->nt_password, info->rid, info->group_rid, info->acb_mask, flags, 168,       /*logon divs */
                               info->logon_hours,
                               info->bad_passwd_count, info->logon_count );

        return ctr;

}

char *talloc_unistr2_to_ascii( TALLOC_CTX * mem_ctx, UNISTR2 str )
{
        char *buf = NULL;

        if ( !mem_ctx )
                return NULL;

        buf = TALLOC_ARRAY( mem_ctx, char, ( str.uni_str_len + 1 ) );
        if ( !buf )
                return NULL;

        unistr2_to_ascii( buf, &str, str.uni_str_len + 1 );

        return buf;
}

CacUserInfo *cac_MakeUserInfo( TALLOC_CTX * mem_ctx, SAM_USERINFO_CTR * ctr )
{
        CacUserInfo *info = NULL;
        SAM_USER_INFO_21 *id21 = NULL;

        if ( !ctr || ctr->switch_value != 21 )
                return NULL;

        info = talloc( mem_ctx, CacUserInfo );
        if ( !info )
                return NULL;

        id21 = ctr->info.id21;

        ZERO_STRUCTP( info );

        info->logon_time = nt_time_to_unix( id21->logon_time );
        info->logoff_time = nt_time_to_unix( id21->logoff_time );
        info->kickoff_time = nt_time_to_unix( id21->kickoff_time );
        info->pass_last_set_time =
                nt_time_to_unix( id21->pass_last_set_time );
        info->pass_can_change_time =
                nt_time_to_unix( id21->pass_can_change_time );
        info->pass_must_change_time =
                nt_time_to_unix( id21->pass_must_change_time );

        info->username =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_user_name );
        if ( !info->username )
                return NULL;

        info->full_name =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_full_name );
        if ( !info->full_name )
                return NULL;

        info->home_dir =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_home_dir );
        if ( !info->home_dir )
                return NULL;

        info->home_drive =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_dir_drive );
        if ( !info->home_drive )
                return NULL;

        info->logon_script =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_logon_script );
        if ( !info->logon_script )
                return NULL;

        info->profile_path =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_profile_path );
        if ( !info->profile_path )
                return NULL;

        info->description =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_acct_desc );
        if ( !info->description )
                return NULL;

        info->workstations =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_workstations );
        if ( !info->workstations )
                return NULL;

        info->dial =
                talloc_unistr2_to_ascii( mem_ctx, id21->uni_munged_dial );
        if ( !info->dial )
                return NULL;

        info->rid = id21->user_rid;
        info->group_rid = id21->group_rid;
        info->acb_mask = id21->acb_info;
        info->bad_passwd_count = id21->bad_password_count;
        info->logon_count = id21->logon_count;

        memcpy( info->nt_password, id21->nt_pwd, 8 );
        memcpy( info->lm_password, id21->lm_pwd, 8 );

        info->logon_hours =
                ( LOGON_HRS * ) TALLOC_MEMDUP( mem_ctx, &( id21->logon_hrs ),
                                               sizeof( LOGON_HRS ) );
        if ( !info->logon_hours )
                return NULL;

        info->pass_must_change = ( id21->passmustchange ) ? True : False;

        return info;
}

CacGroupInfo *cac_MakeGroupInfo( TALLOC_CTX * mem_ctx, GROUP_INFO_CTR * ctr )
{
        CacGroupInfo *info = NULL;

        if ( !mem_ctx || !ctr || ctr->switch_value1 != 1 )
                return NULL;

        info = talloc( mem_ctx, CacGroupInfo );
        if ( !info )
                return NULL;

        info->name =
                talloc_unistr2_to_ascii( mem_ctx,
                                         ctr->group.info1.uni_acct_name );
        if ( !info->name )
                return NULL;

        info->description =
                talloc_unistr2_to_ascii( mem_ctx,
                                         ctr->group.info1.uni_acct_desc );
        if ( !info->description )
                return NULL;

        info->num_members = ctr->group.info1.num_members;

        return info;
}

GROUP_INFO_CTR *cac_MakeGroupInfoCtr( TALLOC_CTX * mem_ctx,
                                      CacGroupInfo * info )
{
        GROUP_INFO_CTR *ctr = NULL;

        if ( !mem_ctx || !info )
                return NULL;

        ctr = talloc( mem_ctx, GROUP_INFO_CTR );
        if ( !ctr )
                return NULL;

        ctr->switch_value1 = 1;

        init_samr_group_info1( &( ctr->group.info1 ), info->name,
                               info->description, info->num_members );

        return ctr;
}

CacAliasInfo *cac_MakeAliasInfo( TALLOC_CTX * mem_ctx, ALIAS_INFO_CTR ctr )
{
        CacGroupInfo *info = NULL;

        if ( !mem_ctx || ctr.level != 1 )
                return NULL;

        info = talloc( mem_ctx, CacAliasInfo );
        if ( !info )
                return NULL;

        info->name =
                talloc_unistr2_to_ascii( mem_ctx,
                                         *( ctr.alias.info1.name.string ) );
        if ( !info->name )
                return NULL;

        info->description =
                talloc_unistr2_to_ascii( mem_ctx,
                                         *( ctr.alias.info1.description.
                                            string ) );
        if ( !info->name )
                return NULL;

        info->num_members = ctr.alias.info1.num_member;

        return info;
}

ALIAS_INFO_CTR *cac_MakeAliasInfoCtr( TALLOC_CTX * mem_ctx,
                                      CacAliasInfo * info )
{
        ALIAS_INFO_CTR *ctr = NULL;

        if ( !mem_ctx || !info )
                return NULL;

        ctr = talloc( mem_ctx, ALIAS_INFO_CTR );
        if ( !ctr )
                return NULL;

        ctr->level = 1;

        init_samr_alias_info1( &( ctr->alias.info1 ), info->name,
                               info->num_members, info->description );

        return ctr;
}

CacDomainInfo *cac_MakeDomainInfo( TALLOC_CTX * mem_ctx,
                                   SAM_UNK_INFO_1 * info1,
                                   SAM_UNK_INFO_2 * info2,
                                   SAM_UNK_INFO_12 * info12 )
{
        CacDomainInfo *info = NULL;

        if ( !mem_ctx || !info1 || !info2 || !info12 )
                return NULL;

        info = talloc( mem_ctx, CacDomainInfo );
        if ( !info )
                return NULL;

        info->min_pass_length = info1->min_length_password;
        info->pass_history = info1->password_history;

        cac_InitCacTime( &( info->expire ), info1->expire );
        cac_InitCacTime( &( info->min_pass_age ), info1->min_passwordage );

        info->server_role = info2->server_role;
        info->num_users = info2->num_domain_usrs;
        info->num_domain_groups = info2->num_domain_grps;
        info->num_local_groups = info2->num_local_grps;

        /*if these have been ZERO'd out we need to know. uni_str_len will be 0 */
        if ( info2->uni_comment.uni_str_len == 0 ) {
                info->comment = talloc_strdup( mem_ctx, "\0" );
        } else {
                info->comment =
                        talloc_unistr2_to_ascii( mem_ctx,
                                                 info2->uni_comment );
        }

        if ( info2->uni_domain.uni_str_len == 0 ) {
                info->domain_name = talloc_strdup( mem_ctx, "\0" );
        } else {
                info->domain_name =
                        talloc_unistr2_to_ascii( mem_ctx, info2->uni_domain );
        }

        if ( info2->uni_server.uni_str_len == 0 ) {
                info->server_name = talloc_strdup( mem_ctx, "\0" );
        } else {
                info->server_name =
                        talloc_unistr2_to_ascii( mem_ctx, info2->uni_server );
        }


        cac_InitCacTime( &( info->lockout_duration ), info12->duration );
        cac_InitCacTime( &( info->lockout_reset ), info12->reset_count );
        info->num_bad_attempts = info12->bad_attempt_lockout;

        return info;
}

char *cac_unistr_ascii( TALLOC_CTX * mem_ctx, UNISTR src )
{
        char *buf;
        uint32 len;

        if ( !mem_ctx || !src.buffer )
                return NULL;

        len = unistrlen( src.buffer ) + 1;

        buf = TALLOC_ZERO_ARRAY( mem_ctx, char, len );
        if ( !buf )
                return NULL;

        rpcstr_pull( buf, src.buffer, len, -1, STR_TERMINATE );

        return buf;
}

CacService *cac_MakeServiceArray( TALLOC_CTX * mem_ctx,
                                  ENUM_SERVICES_STATUS * svc,
                                  uint32 num_services )
{
        int i;
        CacService *services = NULL;

        if ( !mem_ctx || !svc )
                return NULL;

        if (num_services) {
                services = TALLOC_ZERO_ARRAY( mem_ctx, CacService, num_services );
                if ( !services )
                        return NULL;
        } else {
                services = NULL;
        }

        for ( i = 0; i < num_services; i++ ) {
                services[i].service_name =
                        cac_unistr_ascii( mem_ctx, svc[i].servicename );
                services[i].display_name =
                        cac_unistr_ascii( mem_ctx, svc[i].displayname );

                if ( !services[i].service_name || !services[i].display_name )
                        return NULL;

                services[i].status = svc[i].status;
        }

        return services;
}

int cac_InitCacServiceConfig( TALLOC_CTX * mem_ctx, SERVICE_CONFIG * src,
                              CacServiceConfig * dest )
{
        if ( !src || !dest )
                return CAC_FAILURE;

        dest->exe_path =
                talloc_unistr2_to_ascii( mem_ctx, *src->executablepath );
        if ( !dest->exe_path )
                return CAC_FAILURE;

        dest->load_order_group =
                talloc_unistr2_to_ascii( mem_ctx, *src->loadordergroup );
        if ( !dest->load_order_group )
                return CAC_FAILURE;

        dest->dependencies =
                talloc_unistr2_to_ascii( mem_ctx, *src->dependencies );
        if ( !dest->dependencies )
                return CAC_FAILURE;

        dest->start_name =
                talloc_unistr2_to_ascii( mem_ctx, *src->startname );
        if ( !dest->start_name )
                return CAC_FAILURE;

        dest->display_name =
                talloc_unistr2_to_ascii( mem_ctx, *src->displayname );
        if ( !dest->display_name )
                return CAC_FAILURE;

        dest->type = src->service_type;
        dest->start_type = src->start_type;
        dest->error_control = src->error_control;
        dest->tag_id = src->tag_id;

        return CAC_SUCCESS;
}

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