// Initialise the page when displayed
BOOL PageCOM::OnSetActive()
{
// Build the list of COM ports
comboCOMPort.ResetContent();
for (POSITION port = listPorts.GetHeadPosition(); port;)
{
comboCOMPort.AddString(listPorts.GetNext(port));
}
// Modify the current selection if appropriate
valueCOMPort = FindUnique(listPorts, valueCOMPort, !GetSheet()->automatic);
// Pretent that the currently selected baud rate is available
comboBaud.ResetContent();
comboBaud.AddString(valueBaud);
// Ensure that the controls reflect the current selection
UpdateData(false);
// Enable the appropriate controls
OnPortChanged();
// Perform any other initialisation required
return DFUPage::OnSetActive();
}
void packet_handler(u_char *dumpfile, const struct pcap_pkthdr *header, const u_char *pkt_data)
{
const struct sniff_ethernet *ethernet; /* The ethernet header [1] */
struct sniff_ethernet *ethaddr;
const struct sniff_ip *ip; /* The IP header */
const struct sniff_tcp *tcp; /* The TCP header */
int size_ip;
int size_tcp;
int size_udp;
printf("\nepoch time is %ld:%ld (%ld)\n",header->ts.tv_sec, header->ts.tv_usec, header->len);
size[count]=header->len;
//strcpy(ethaddr->ether_shost, ether_ntoa(ethernet->ether_shost));
//strcpy(ethaddr->ether_dhost, ether_ntoa(ethernet->ether_dhost));
//printf("source: %s \n",ethaddr->ether_shost );
//printf("dest: %s \n",ethaddr->ether_dhost);
ip = (struct sniff_ip*)(pkt_data + 14);
size_ip = IP_HL(ip)*4;
printf("size of ip %d ", size_ip);
tcp = (struct sniff_tcp*)(pkt_data + 14 + size_ip);
size_tcp = TH_OFF(tcp)*4;
printf("size of tcp %d", size_tcp);
struct udphdr *udph = (struct udphdr*)(pkt_data + 14 + size_ip);
if (size_ip < 20)
{
ip = (struct sniff_ip*)(pkt_data + 12+14);
//printf(" * Invalid IP header length: %u bytes\n", size_ip);
fprintf(stdout," prot %u \n ",ip->ip_p);
printf(" To: %s\n", inet_ntoa(ip->ip_src));
ip = (struct sniff_ip*)(pkt_data + 12);
printf(" From: %s\n", inet_ntoa(ip->ip_dst));
FindUnique(ip->ip_src);
FindUnique(ip->ip_dst);
count++;
printf("packet number is %d\n",count);
printf("Start time and date of the capture is: %s",ctime(&header->ts.tv_sec) );
return;
}
/* print source and destination IP addresses */
else
{
if(ip->ip_p==6)
{
printf(" Src port: %d\n", ntohs(tcp->th_sport));
printf(" Dst port: %d\n", ntohs(tcp->th_dport));
/*if((tcp->th_flags==TH_ACK))
{
//printf("flag %X\n",tcp->th_flags);
ack++;
}
if((tcp->th_flags== TH_RST))
{
//printf("flag %X\n",tcp->th_flags);
rst++;
}
if((tcp->th_flags==TH_SYN))
{
//printf("flag %X\n",tcp->th_flags);
syn++;
}
if((tcp->th_flags==TH_PUSH))
{
//printf("flag %X\n",tcp->th_flags);
psh++;
}*/
//printf(" Flag: RST\n");
}
if(ip->ip_p==17)
{
printf(" Src port: %d\n", ntohs(udph->uh_sport));
printf(" Dst port: %d\n", ntohs(udph->uh_dport));
printf(" checksum %X\n", ntohs(udph->uh_sum));
printf(" length %d\n",udph->uh_ulen);
}
fprintf(stdout," prot %u \n ",ip->ip_p);
printf(" To: %s\n", inet_ntoa(ip->ip_src));
printf(" From: %s\n", inet_ntoa(ip->ip_dst));
count++;
printf("packet number is %d\n",count);
printf("Start time and date of the capture is: %s",ctime(&header->ts.tv_sec) );
}
}
