C++ (Cpp) ntoh_ipv4_find_flow Examples

Example #1

File: dhs.c Project: ernesto341/ais-research

/**
 * @brief Sends a IPv4 fragment to libntoh
 */
void send_ipv4_fragment ( struct ip *iphdr , pipv4_dfcallback_t callback )
{
        ntoh_ipv4_tuple4_t 	ipt4;
        pntoh_ipv4_flow_t 	flow;
        size_t			total_len;
        int32_t 			ret;
        uint32_t		error;

        total_len = ntohs( iphdr->ip_len );

        ntoh_ipv4_get_tuple4 ( iphdr , &ipt4 );

        if ( !( flow = ntoh_ipv4_find_flow( ipv4_session , &ipt4 ) ) )
        {
                if ( ! (flow = ntoh_ipv4_new_flow( ipv4_session , &ipt4, callback, 0 , &error )) )
                {
                        if (DEBUG)
                        {
                                fprintf ( stderr , "\n[e] Error %d creating new IPv4 flow: %s" , error , ntoh_get_errdesc ( error ) );
                        }
                        return;
                }
        }

        if ( ( ret = ntoh_ipv4_add_fragment( ipv4_session , flow, iphdr, total_len ) ) )
        {
                if (DEBUG)
                {
                        fprintf( stderr, "\n[e] Error %d adding IPv4: %s", ret, ntoh_get_retval_desc( ret ) );
                }
        }

        return;
}

Example #2

File: example.c Project: Rootkitsmm/libntoh

/**
 * @brief Sends a IPv4 fragment to libntoh
 */
void send_ipv4_fragment ( struct ip *iphdr , pipv4_dfcallback_t callback )
{
	ntoh_ipv4_tuple4_t 	ipt4;
	pntoh_ipv4_flow_t 	flow;
	int 			ret;
	unsigned int		error;

	ntoh_ipv4_get_tuple4 ( iphdr , &ipt4 );

	if ( !( flow = ntoh_ipv4_find_flow( ipv4_session , &ipt4 ) ) )
		if ( ! (flow = ntoh_ipv4_new_flow( ipv4_session , &ipt4, callback, 0 , &error )) )
		{
			fprintf ( stderr , "\n[e] Error %d creating new IPv4 flow: %s" , error , ntoh_get_errdesc ( error ) );
			return;
		}

	if ( ( ret = ntoh_ipv4_add_fragment( ipv4_session , flow, iphdr ) ) )
		fprintf( stderr, "\n[e] Error %d adding IPv4: %s", ret, ntoh_get_retval_desc( ret ) );

	return;
}