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packetprintthread.cpp
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packetprintthread.cpp
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#include "packetprintthread.h"
#include "common.h"
#include "packet.h"
#include <QStandardItemModel>
#include <winsock2.h>
#include <QDebug>
extern pcap_if_t *alldevs;
extern int interface_selected;
extern QStandardItemModel *PacketModel;//数据包基本信息
void PrintPacket_on_fly(Packet *Pindex);
PrintThread::PrintThread()
{
stopped = false;
}
PrintThread::~PrintThread(){}
void PrintThread::stop()
{
stopped = true;
}
void PrintThread::run()
{
while(!stopped)
{
Globe::capPacket.Pindex=Globe::capPacket.Head;
while(Globe::capPacket.Pindex!=Globe::capPacket.Index)
{
if(!Globe::capPacket.Pindex->Pflag && Globe::capPacket.Pindex->Aflag)
{
while(!MuxFlag)//等待打印完成
{
Sleep(1);
}
PrintPacket_on_fly(Globe::capPacket.Pindex);
emit PacketPrintDone();
Globe::capPacket.Pindex->Pflag=true;
}
Globe::capPacket.Pindex=Globe::capPacket.Pindex->Next;
}
Sleep(1);
}
while(Globe::capPacket.Pindex && Globe::capPacket.Pindex!=Globe::capPacket.Index)//停止信号发送后可能还有未打印的数据包
{
if(!Globe::capPacket.Pindex->Pflag && Globe::capPacket.Pindex->Aflag)
{
while(!MuxFlag)//等待打印完成
{
Sleep(1);
}
PrintPacket_on_fly(Globe::capPacket.Pindex);
emit PacketPrintDone();
qDebug() << "emit PacketPrintDone";
Globe::capPacket.Pindex->Pflag=true;
}
Globe::capPacket.Pindex=Globe::capPacket.Pindex->Next;
}
if(Globe::capPacket.Pindex!=NULL)
{
if(!Globe::capPacket.Pindex->Pflag && Globe::capPacket.Pindex->Aflag)//打印最后一个数据包
{
while(!MuxFlag)//等待打印完成
{
Sleep(1);
}
PrintPacket_on_fly(Globe::capPacket.Pindex);
emit PacketPrintDone();
qDebug() << "emit PacketPrintDone";
Globe::capPacket.Pindex->Pflag=true;
}
}
stopped = false;
emit PacketPrintDone();
qDebug() << "emit PacketPrintDone";
return ;
}
void PrintPacket_on_fly(Packet *Pindex)
{
QString s;
// u_short port;
u_short src_port;
u_short dst_port;
int row=PacketModel->rowCount();
PacketModel->insertRow(row,QModelIndex());
s.setNum(Pindex->serialnum);// sequence num
PacketModel->setData(PacketModel->index(row,0),s);
s=Pindex->timestamp;//capture time
PacketModel->setData(PacketModel->index(row,1),s);
u_short k=Pindex->ether_header->ether_type;
if (Pindex->Netpro.compare("IPv4")==0)
{
if(Pindex->IPv4_header==NULL)
{
PacketModel->setData(PacketModel->index(row,2),"UNKNOWN");
PacketModel->setData(PacketModel->index(row,3),"UNKNOWN");
}
else
{
s = iptos(Pindex->IPv4_header->saddr);
PacketModel->setData(PacketModel->index(row,2),s);
s = iptos(Pindex->IPv4_header->daddr);
PacketModel->setData(PacketModel->index(row,3),s);
}
if(Pindex->Transpro.compare("UDP") == 0)
{
s=QString("UDP");
PacketModel->setData(PacketModel->index(row,4),s);
if(Pindex->UDP_header==NULL)
{
PacketModel->setData(PacketModel->index(row,4),"UNKNOWN");
PacketModel->setData(PacketModel->index(row,6),"UNKNOWN");
PacketModel->setData(PacketModel->index(row,7),"UNKNOWN");
}
else
{
src_port = ntohs(Pindex->UDP_header->sport);
dst_port = ntohs(Pindex->UDP_header->dport);
s = QString("%1 -> %2").arg(src_port).arg(dst_port);
PacketModel->setData(PacketModel->index(row,6),s);
}
}
else if(Pindex->Transpro.compare("TCP") == 0)
{
s=QString("TCP");
PacketModel->setData(PacketModel->index(row,4),s);
src_port = ntohs(Pindex->TCP_header->sport);
dst_port = ntohs(Pindex->TCP_header->dport);
if(Pindex->TCP_header==NULL)
{
PacketModel->setData(PacketModel->index(row,4),"UNKNOWN");
PacketModel->setData(PacketModel->index(row,6),"UNKNOWN");
PacketModel->setData(PacketModel->index(row,7),"UNKNOWN");
}
if (Pindex->Apppro.compare("HTTP")==0)
{
s=QString("HTTP");
PacketModel->setData(PacketModel->index(row,4),s);
QString http_txt = analyzeHttpPacket(Pindex);
HTTP httpInfo = HTTP(http_txt);
if (src_port == 80) s = httpInfo.httpResponse.split("\r\n")[0];
else if(dst_port == 80) s = httpInfo.httpMethod.split("\r\n")[0];
else s = "UNKNOWN";
PacketModel->setData(PacketModel->index(row,6),s);
}
else
{
s = QString("%1 -> %2").arg(src_port).arg(dst_port);
PacketModel->setData(PacketModel->index(row,6),s);
}
}
else if(Pindex->IPv4_header->proto==PROTO_TYPE_ICMP)//ICMP
{
s=QString("ICMP");
PacketModel->setData(PacketModel->index(row,4),s);
switch(Pindex->ICMP_header->type){
case ICMP_ECHO:
s = QString("Echo Request");
/* XXX ID + Seq + Data */
break;
case ICMP_ECHOREPLY:
s = QString("Echo Reply");
break;
case ICMP_DEST_UNREACH:
switch(Pindex->ICMP_header->code)
{
case ICMP_NET_UNREACH:
s = QString("Destination Net Unreachable\n");
break;
case ICMP_HOST_UNREACH:
s = QString("Destination Host Unreachable\n");
break;
case ICMP_PROT_UNREACH:
s = QString("Destination Protocol Unreachable\n");
break;
case ICMP_PORT_UNREACH:
s = QString("Destination Port Unreachable\n");
break;
case ICMP_FRAG_NEEDED:
// s = QString("Frag needed and DF set (mtu = %u)\n", info);
s = QString("Frag needed and DF set ");
break;
case ICMP_SR_FAILED:
s = QString("Source Route Failed");
break;
case ICMP_NET_UNKNOWN:
s = QString("Destination Net Unknown");
break;
case ICMP_HOST_UNKNOWN:
s = QString("Destination Host Unknown");
break;
case ICMP_HOST_ISOLATED:
s = QString("Source Host Isolated");
break;
case ICMP_NET_ANO:
s = QString("Destination Net Prohibited");
break;
case ICMP_HOST_ANO:
s = QString("Destination Host Prohibited");
break;
case ICMP_NET_UNR_TOS:
s = QString("Destination Net Unreachable for Type of Service");
break;
case ICMP_HOST_UNR_TOS:
s = QString("Destination Host Unreachable for Type of Service");
break;
case ICMP_PKT_FILTERED:
s = QString("Packet filtered");
break;
case ICMP_PREC_VIOLATION:
s = QString("Precedence Violation");
break;
case ICMP_PREC_CUTOFF:
s = QString("Precedence Cutoff");
break;
default:
s = QString("Dest Unreachable, Bad Code: %1").arg(Pindex->ICMP_header->code);
break;
}// switch code
case ICMP_SOURCE_QUENCH:
s = QString("Source Quench");
break;
case ICMP_REDIRECT:
switch(Pindex->ICMP_header->code) {
case ICMP_REDIR_NET:
s = QString("Redirect Network");
break;
case ICMP_REDIR_HOST:
s = QString("Redirect Host");
break;
case ICMP_REDIR_NETTOS:
s = QString("Redirect Type of Service and Network");
break;
case ICMP_REDIR_HOSTTOS:
s = QString("Redirect Type of Service and Host");
break;
default:
s = QString("Redirect, Bad Code: %1").arg(Pindex->ICMP_header->code);
break;
}// switch code
case ICMP_TIME_EXCEEDED:
switch(Pindex->ICMP_header->code) {
case ICMP_EXC_TTL:
s = QString("Time to live exceeded");
break;
case ICMP_EXC_FRAGTIME:
s = QString("Frag reassembly time exceeded");
break;
default:
s = QString("Time exceeded, Bad Code: %1").arg(Pindex->ICMP_header->code);
break;
}
break;
case ICMP_PARAMETERPROB:
// s = QString("Parameter problem: pointer = %1").arg(icp ? (ntohl(icp->un.gateway)>>24) : info);
s = QString("Parameter problem");
break;
case ICMP_TIMESTAMP:
s = QString("Timestamp");
/* XXX ID + Seq + 3 timestamps */
break;
case ICMP_TIMESTAMPREPLY:
s = QString("Timestamp Reply");
/* XXX ID + Seq + 3 timestamps */
break;
case ICMP_INFO_REQUEST:
s = QString("Information Request");
/* XXX ID + Seq */
break;
case ICMP_INFO_REPLY:
s = QString("Information Reply");
/* XXX ID + Seq */
break;
default:
s = QString("Bad ICMP type: %1").arg(Pindex->ICMP_header->type);
}//switch type
PacketModel->setData(PacketModel->index(row,6),s);
}
else
{
PacketModel->setData(PacketModel->index(row,4),Globe::capPacket.Pindex->Netpro);
s="UNKNOWN";
PacketModel->setData(PacketModel->index(row,6),s);
PacketModel->setData(PacketModel->index(row,7),s);
}
s.setNum(Pindex->header.len);//包长
PacketModel->setData(PacketModel->index(row,5),s);
}// IPv4
else if(k==ETHER_TYPE_IPv6)//IPv6
{
s = ip6tos(Pindex->IPv6_header->source_ip);
PacketModel->setData(PacketModel->index(row,2),s);//source ip
s = ip6tos(Pindex->IPv6_header->dest_ip);
PacketModel->setData(PacketModel->index(row,3),s);//destination ip
PacketModel->setData(PacketModel->index(row,4),Globe::capPacket.Pindex->Netpro);
s.setNum(Pindex->header.len);
PacketModel->setData(PacketModel->index(row,5),s);
long t=ntohl(Pindex->IPv6_header->load_length);
s=QString("%1%2").arg(("payload length: ")).arg(t);
} //IPv6
else if(k==ETHER_TYPE_ARP)//ARP
{
s = iptos(Pindex->ARP_header->sip_address);
PacketModel->setData(PacketModel->index(row,2),s);//source ip
s=QString("ARP");
PacketModel->setData(PacketModel->index(row,4),s);//protocol
s.setNum(Pindex->header.len);//包长
PacketModel->setData(PacketModel->index(row,5),s);
if(ntohs(Pindex->ARP_header->opcode)==ARPOP_REQUEST) // ARP request
{
s=QString(("Broadcast"));
PacketModel->setData(PacketModel->index(row,3),s);//destination ip
s = QString("Who has ") \
+ iptos(Pindex->ARP_header->dip_address) \
+ QString(" Tell ") \
+ iptos(Pindex->ARP_header->sip_address);
PacketModel->setData(PacketModel->index(row,6),s);
}
else if(ntohs(Pindex->ARP_header->opcode)==ARPOP_REPLY) // ARP reply
{
s = iptos(Pindex->ARP_header->dip_address);
PacketModel->setData(PacketModel->index(row,3),s); //destination ip
s = iptos(Pindex->ARP_header->sip_address)\
+ QString(" is at ")\
+ mactos(Pindex->ARP_header->snether_address);
PacketModel->setData(PacketModel->index(row,6),s);
}
else
{
s = iptos(Pindex->ARP_header->dip_address);
PacketModel->setData(PacketModel->index(row,3),s);
s = "UNKNOWN ARP OPCODE";
PacketModel->setData(PacketModel->index(row,6),s);
}
} // ARP
else if(k==ETHER_TYPE_RARP)//RARP
{
s = iptos(Pindex->ARP_header->sip_address);
PacketModel->setData(PacketModel->index(row,2),s);// source ip
s=QString("RARP");
PacketModel->setData(PacketModel->index(row,4),s);// protocol
s.setNum(Pindex->header.len);//包长
PacketModel->setData(PacketModel->index(row,5),s);
if(ntohs(Pindex->ARP_header->opcode)==ARPOP_RREQUEST) // RARP REQUEST
{
s=QString(("Broadcast"));
PacketModel->setData(PacketModel->index(row,3),s);// destination ip
s = QString("Who is ") \
+ mactos(Pindex->ARP_header->dnether_address)\
+ QString(" Tell ")\
+ mactos(Pindex->ARP_header->snether_address);
PacketModel->setData(PacketModel->index(row,6),s);
}
else if(ntohs(Pindex->ARP_header->opcode)==ARPOP_RREPLY) // RARP REPLY
{
s = iptos(Pindex->ARP_header->dip_address);
PacketModel->setData(PacketModel->index(row,3),s);
s = mactos(Pindex->ARP_header->dnether_address) \
+ QString(" is at ") \
+ iptos(Pindex->ARP_header->dip_address);
PacketModel->setData(PacketModel->index(row,6),s);
}
else
{
s = iptos(Pindex->ARP_header->dip_address);
PacketModel->setData(PacketModel->index(row,3),s);
s = "UNKNOWN RARP OPCODE";
PacketModel->setData(PacketModel->index(row,6),s);
}
} //RARP
else
{
s="UNKNOWN";
PacketModel->setData(PacketModel->index(row,2),s);
PacketModel->setData(PacketModel->index(row,3),s);
PacketModel->setData(PacketModel->index(row,4),s);
PacketModel->setData(PacketModel->index(row,5),s);
PacketModel->setData(PacketModel->index(row,6),s);
PacketModel->setData(PacketModel->index(row,7),s);
}
}