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MonitorDlg.cpp
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// MonitorDlg.cpp: 实现文件
//
#include "stdafx.h"
#include "Monitor.h"
#include "MonitorDlg.h"
#include "afxdialogex.h"
#pragma warning(disable : 4996)
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
DWORD WINAPI Monitir_CapThread(LPVOID lpParameter);
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
#ifdef AFX_DESIGN_TIME
enum { IDD = IDD_ABOUTBOX };
#endif
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMonitorDlg 对话框
CMonitorDlg::CMonitorDlg(CWnd* pParent /*=NULL*/)
: CDialog(IDD_MONITOR_DIALOG, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON3);
m_pSend = NULL;
}
CMonitorDlg::~CMonitorDlg()
{
if (m_pSend != NULL)
{
delete m_pSend;
}
}
/////////////////////////function///////////////////////////////////
//初始化
int CMonitorDlg::Mointer_InitCap()
{
devCount = 0;
if (pcap_findalldevs(&alldev, Errbuf) == -1)
return -1;
for (dev = alldev; dev; dev = dev->next)
devCount++;
return 0;
}
//开始捕获
int CMonitorDlg::Mointer_StartCap()
{
int DevIndex, RuleIndex, count;
u_int netmask;
struct bpf_program fcode;
Mointer_InitCap();
//获得接口和过滤器索引
DevIndex = this->ChoseDEV.GetCurSel();
RuleIndex = this->ChoseRULE.GetCurSel();
if (0 == DevIndex || CB_ERR == DevIndex)
{
MessageBox(_T("请选择一个合适的网卡接口"));
return -1;
}
if (CB_ERR == RuleIndex)
{
MessageBox(_T("过滤器选择错误"));
return -1;
}
/*获得选中的网卡接口*/
dev = alldev;
for (count = 0; count < DevIndex - 1; count++)
dev = dev->next;
/*
CString STemp;
STemp.Format(_T("%d"), DevIndex);
MessageBox(STemp);
*/
if ((DevHandle = pcap_open_live(dev->name, // 设备名
65536, //捕获数据包长度
1, // 混杂模式 (非0意味着是混杂模式)
1000, // 读超时设置
Errbuf // 错误信息
)) == NULL)
{
MessageBox(_T("无法打开接口：" + CString(dev->description)));
pcap_freealldevs(alldev);
return -1;
}
/*检查是否为以太网*/
if (pcap_datalink(DevHandle) != DLT_EN10MB)
{
MessageBox(_T("这不适合于非以太网的网络!"));
pcap_freealldevs(alldev);
return -1;
}
if (dev->addresses != NULL)
netmask = ((struct sockaddr_in *)(dev->addresses->netmask))->sin_addr.S_un.S_addr;
else
netmask = 0xffffffff;
//编译过滤器
if (0 == RuleIndex)
{
char filter[] = "";
if (pcap_compile(DevHandle, &fcode, filter, 1, netmask) < 0)
{
MessageBox(_T("语法错误，无法编译过滤器"));
pcap_freealldevs(alldev);
return -1;
}
}
else
{
CString str;
char *filter;
int len;
this->ChoseRULE.GetLBText(RuleIndex, str);
len = str.GetLength() + 1;
filter = (char*)malloc(len);
for (int i = 0; i < len; i++)
{
filter[i] = (char)str.GetAt(i) + 32;
}
if (pcap_compile(DevHandle, &fcode, filter, 1, netmask) < 0)
{
MessageBox(_T("语法错误，无法编译过滤器"));
pcap_freealldevs(alldev);
free(filter);
return -1;
}
}
//设置过滤器
if (pcap_setfilter(DevHandle, &fcode) < 0)
{
MessageBox(_T("设置过滤器错误"));
pcap_freealldevs(alldev);
return -1;
}
/* 设置数据包存储路径*/
CFileFind file;
char thistime[30];
struct tm *LocalTime;
memset(FilePath, 0, 512);
memset(FileName, 0, 64);
if (!file.FindFile(_T("SavedData")))
{
CreateDirectory(_T("SavedData"), NULL);
}
time_t nowtime;
time(&nowtime);
LocalTime = localtime(&nowtime);
strftime(thistime, sizeof(thistime), "%Y%m%d %H%M%S", LocalTime);
strcpy(FilePath, "SavedData\\");
strcat(FileName, thistime);
strcat(FileName, ".pkt");
strcat(FilePath, FileName);
DumpFile = pcap_dump_open(DevHandle, FilePath);
if (DumpFile == NULL)
{
MessageBox(_T("文件创建错误！"));
pcap_freealldevs(alldev);
return -1;
}
pcap_freealldevs(alldev);
/*接收数据，新建线程处理*/
LPDWORD threadCap = NULL;
ThreadHandle = CreateThread(NULL, 0, Monitir_CapThread, this, 0, threadCap);
if (ThreadHandle == NULL)
{
int code = GetLastError();
CString str;
str.Format(_T("创建线程错误，代码为%d."), code);
MessageBox(str);
return -1;
}
return 1;
}
DWORD WINAPI Monitir_CapThread(LPVOID lpParameter)
{
int res, nItem;
struct tm *LocalTime;
CString TimeStr, Buffer, srcMac, destMac;
time_t local_tv_sec;
struct pcap_pkthdr *PacketHeader; //数据包头
const u_char *PacketData = NULL, *pData = NULL; //网络中收到的字节流数据
u_char *ppkt_data;
CMonitorDlg *Pthis = (CMonitorDlg *)lpParameter;
if (NULL == Pthis->ThreadHandle)
{
MessageBox(NULL, _T("线程句柄错误"), _T("提示"), MB_OK);
return -1;
}
while ((res = pcap_next_ex(Pthis->DevHandle, &PacketHeader, &PacketData)) >= 0)
{
if (res == 0) //超时
continue;
DataPacket *data = (DataPacket *)malloc(sizeof(DataPacket));
memset(data, 0, sizeof(DataPacket));
if (NULL == data)
{
MessageBox(NULL, _T("空间已满，无法接收新的数据包"), _T("Error"), MB_OK);
return -1;
}
//分析出错或所接收数据包不在处理范围内
if (Analyze_Frame(PacketData, data, &(Pthis->Packet_count)) < 0)
continue;
//将数据包保存到打开的文件中
if (Pthis->DumpFile != NULL)
{
pcap_dump((unsigned char*)Pthis->DumpFile, PacketHeader, PacketData);
}
//更新各类数据包计数
Pthis->Mointer_UpdateCountPacket();
//将本地化后的数据装入一个链表中，以便后来使用
ppkt_data = (u_char*)malloc(PacketHeader->len);
memcpy(ppkt_data, PacketData, PacketHeader->len);
Pthis->LocalDataList.AddTail(data);
Pthis->NetlDataList.AddTail(ppkt_data);
/*预处理，获得时间、长度*/
data->Length = PacketHeader->len; //链路中收到的数据长度
local_tv_sec = PacketHeader->ts.tv_sec;
LocalTime = localtime(&local_tv_sec);
data->Time[0] = LocalTime->tm_year + 1900;
data->Time[1] = LocalTime->tm_mon + 1;
data->Time[2] = LocalTime->tm_mday;
data->Time[3] = LocalTime->tm_hour;
data->Time[4] = LocalTime->tm_min;
data->Time[5] = LocalTime->tm_sec;
/*为新接收到的数据包在listControl中新建一个item*/
Buffer.Format(_T("%d"), Pthis->NumPacket);
nItem = Pthis->PackListCtrl.InsertItem(Pthis->NumPacket, Buffer);
/*显示时间戳*/
TimeStr.Format(_T("%d/%d/%d %d:%d:%d"), data->Time[0],
data->Time[1], data->Time[2], data->Time[3], data->Time[4], data->Time[5]);
Pthis->PackListCtrl.SetItemText(nItem, 1, TimeStr);
//Pthis->PackListCtrl.setitem
/*显示长度*/
Buffer.Empty();
Buffer.Format(_T("%d"), data->Length);
Pthis->PackListCtrl.SetItemText(nItem, 2, Buffer);
/*显示源MAC*/
Buffer.Empty();
Buffer.Format(_T("%02X-%02X-%02X-%02X-%02X-%02X"), data->Mac_head->src[0], data->Mac_head->src[1],
data->Mac_head->src[2], data->Mac_head->src[3], data->Mac_head->src[4], data->Mac_head->src[5]);
Pthis->PackListCtrl.SetItemText(nItem, 3, Buffer);
/*显示目的MAC*/
Buffer.Empty();
Buffer.Format(_T("%02X-%02X-%02X-%02X-%02X-%02X"), data->Mac_head->dest[0], data->Mac_head->dest[1],
data->Mac_head->dest[2], data->Mac_head->dest[3], data->Mac_head->dest[4], data->Mac_head->dest[5]);
Pthis->PackListCtrl.SetItemText(nItem, 4, Buffer);
/*获得协议*/
Pthis->PackListCtrl.SetItemText(nItem, 5, CString(data->PacketType));
/*获得源IP*/
Buffer.Empty();
if (0x0806 == data->Mac_head->Type)
{
Buffer.Format(_T("%d.%d.%d.%d"),
data->Arp_head->Arp_srcip[0],
data->Arp_head->Arp_srcip[1],
data->Arp_head->Arp_srcip[2],
data->Arp_head->Arp_srcip[3]);
}
else if (0x0800 == data->Mac_head->Type) {
struct in_addr in;
in.S_un.S_addr = data->Ip_head->saddr;
Buffer = CString(inet_ntoa(in));
}
else if (0x86dd == data->Mac_head->Type) {
int n;
for (n = 0; n < 8; n++)
{
if (n <= 6)
Buffer.AppendFormat(_T("%02x:"), data->Ip6_head->saddr[n]);
else
Buffer.AppendFormat(_T("%02x"), data->Ip6_head->saddr[n]);
}
}
Pthis->PackListCtrl.SetItemText(nItem, 6, Buffer);
/*获得目的IP*/
Buffer.Empty();
if (0x0806 == data->Mac_head->Type)
{
Buffer.Format(_T("%d.%d.%d.%d"), data->Arp_head->Arp_destip[0],
data->Arp_head->Arp_destip[1], data->Arp_head->Arp_destip[2], data->Arp_head->Arp_destip[3]);
}
else if (0x0800 == data->Mac_head->Type)
{
struct in_addr in;
in.S_un.S_addr = data->Ip_head->daddr;
Buffer = CString(inet_ntoa(in));
}
else if (0x86dd == data->Mac_head->Type)
{
int n;
for (n = 0; n < 8; n++)
{
if (n <= 6)
Buffer.AppendFormat(_T("%02x:"), data->Ip6_head->daddr[n]);
else
Buffer.AppendFormat(_T("%02x"), data->Ip6_head->daddr[n]);
}
}
Pthis->PackListCtrl.SetItemText(nItem, 7, Buffer);
/*对包计数*/
Pthis->NumPacket++;
}
return 1;
}
int CMonitorDlg::Mointer_UpdateTree(int index)
{
POSITION LocalPos;
CString str;
int i;
this->PackTreeCtrl.DeleteAllItems();
LocalPos = this->LocalDataList.FindIndex(index);
DataPacket* Local_data = (DataPacket*)(this->LocalDataList.GetAt(LocalPos));
HTREEITEM root = this->PackTreeCtrl.GetRootItem();
str.Format(_T("接收到的第%d个数据包"), index + 1);
HTREEITEM data = this->PackTreeCtrl.InsertItem(str, root);
/*处理帧数据*/
HTREEITEM frame = this->PackTreeCtrl.InsertItem(_T("链路层数据"), data);
//源MAC
str.Format(_T("源MAC："));
for (i = 0; i < 6; i++)
{
if (i <= 4)
str.AppendFormat(_T("%02x-"), Local_data->Mac_head->src[i]);
else
str.AppendFormat(_T("%02x"), Local_data->Mac_head->src[i]);
}
this->PackTreeCtrl.InsertItem(str, frame);
//目的MAC
str.Format(_T("目的MAC："));
for (i = 0; i < 6; i++)
{
if (i <= 4)
str.AppendFormat(_T("%02x-"), Local_data->Mac_head->dest[i]);
else
str.AppendFormat(_T("%02x"), Local_data->Mac_head->dest[i]);
}
this->PackTreeCtrl.InsertItem(str, frame);
//类型
str.Format(_T("类型：0x%02x"), Local_data->Mac_head->Type);
this->PackTreeCtrl.InsertItem(str, frame);
/*处理IP、ARP、IPv6数据包*/
if (0x0806 == Local_data->Mac_head->Type) //ARP
{
HTREEITEM arp = this->PackTreeCtrl.InsertItem(_T("ARP协议头"), data);
str.Format(_T("硬件类型：%d"), Local_data->Arp_head->Arp_hrd);
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("协议类型：0x%02x"), Local_data->Arp_head->Arp_pro);
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("硬件地址长度：%d"), Local_data->Arp_head->Arp_hln);
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("协议地址长度：%d"), Local_data->Arp_head->Arp_pln);
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("操作码：%d"), Local_data->Arp_head->Arp_op);
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("发送方MAC："));
for (i = 0; i < 6; i++)
{
if (i <= 4)
str.AppendFormat(_T("%02x-"), Local_data->Arp_head->Arp_srcmac[i]);
else
str.AppendFormat(_T("%02x"), Local_data->Arp_head->Arp_srcmac[i]);
}
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("发送方IP："), Local_data->Arp_head->Arp_hln);
for (i = 0; i < 4; i++)
{
if (i <= 2)
str.AppendFormat(_T("%d."), Local_data->Arp_head->Arp_srcip[i]);
else
str.AppendFormat(_T("%d"), Local_data->Arp_head->Arp_srcip[i]);
}
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("接收方MAC："), Local_data->Arp_head->Arp_hln);
for (i = 0; i < 6; i++)
{
if (i <= 4)
str.AppendFormat(_T("%02x-"), Local_data->Arp_head->Arp_destmac[i]);
else
str.AppendFormat(_T("%02x"), Local_data->Arp_head->Arp_destmac[i]);
}
this->PackTreeCtrl.InsertItem(str, arp);
str.Format(_T("接收方IP："), Local_data->Arp_head->Arp_hln);
for (i = 0; i < 4; i++)
{
if (i <= 2)
str.AppendFormat(_T("%d."), Local_data->Arp_head->Arp_destip[i]);
else
str.AppendFormat(_T("%d"), Local_data->Arp_head->Arp_destip[i]);
}
this->PackTreeCtrl.InsertItem(str, arp);
}
else if (0x0800 == Local_data->Mac_head->Type)//IP
{
HTREEITEM ip = this->PackTreeCtrl.InsertItem(_T("IP协议头"), data);
str.Format(_T("版本：%d"), Local_data->Ip_head->version);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("IP头长：%d"), Local_data->Ip_head->ihl * 4);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("服务类型：%d"), Local_data->Ip_head->tos);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("总长度：%d"), Local_data->Ip_head->tlen);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("标识：0x%02x"), Local_data->Ip_head->id);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("段偏移：%d"), Local_data->Ip_head->frag_off);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("生存期：%d"), Local_data->Ip_head->ttl);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("协议：%d"), Local_data->Ip_head->proto);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("头部校验和：0x%02x"), Local_data->Ip_head->check);
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("源IP："));
struct in_addr in;
in.S_un.S_addr = Local_data->Ip_head->saddr;
str.AppendFormat(CString(inet_ntoa(in)));
this->PackTreeCtrl.InsertItem(str, ip);
str.Format(_T("目的IP："));
in.S_un.S_addr = Local_data->Ip_head->daddr;
str.AppendFormat(CString(inet_ntoa(in)));
this->PackTreeCtrl.InsertItem(str, ip);
/*处理传输层ICMP、UDP、TCP*/
if (1 == Local_data->Ip_head->proto) //ICMP
{
HTREEITEM icmp = this->PackTreeCtrl.InsertItem(_T("ICMP协议头"), data);
str.Format(_T("类型:%d"), Local_data->Icmp_head->type);
this->PackTreeCtrl.InsertItem(str, icmp);
str.Format(_T("代码:%d"), Local_data->Icmp_head->code);
this->PackTreeCtrl.InsertItem(str, icmp);
str.Format(_T("序号:%d"), Local_data->Icmp_head->seq);
this->PackTreeCtrl.InsertItem(str, icmp);
str.Format(_T("校验和:%d"), Local_data->Icmp_head->chksum);
this->PackTreeCtrl.InsertItem(str, icmp);
}
else if (6 == Local_data->Ip_head->proto) { //TCP
HTREEITEM tcp = this->PackTreeCtrl.InsertItem(_T("TCP协议头"), data);
str.Format(_T(" 源端口:%d"), Local_data->Tcp_head->sport);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 目的端口:%d"), Local_data->Tcp_head->dport);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 序列号:0x%02x"), Local_data->Tcp_head->seq);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 确认号:%d"), Local_data->Tcp_head->ack_seq);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 头部长度:%d"), Local_data->Tcp_head->doff);
HTREEITEM flag = this->PackTreeCtrl.InsertItem(_T(" +标志位"), tcp);
str.Format(_T("cwr %d"), Local_data->Tcp_head->cwr);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("ece %d"), Local_data->Tcp_head->ece);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("urg %d"), Local_data->Tcp_head->urg);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("ack %d"), Local_data->Tcp_head->ack);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("psh %d"), Local_data->Tcp_head->psh);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("rst %d"), Local_data->Tcp_head->rst);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("syn %d"), Local_data->Tcp_head->syn);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("fin %d"), Local_data->Tcp_head->fin);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T(" 紧急指针:%d"), Local_data->Tcp_head->urg_ptr);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 校验和:0x%02x"), Local_data->Tcp_head->check);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 选项:%d"), Local_data->Tcp_head->opt);
this->PackTreeCtrl.InsertItem(str, tcp);
}
else if (17 == Local_data->Ip_head->proto) { //UDP
HTREEITEM udp = this->PackTreeCtrl.InsertItem(_T("UDP协议头"), data);
str.Format(_T("源端口:%d"), Local_data->Udp_head->sport);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("目的端口:%d"), Local_data->Udp_head->dport);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("总长度:%d"), Local_data->Udp_head->len);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("校验和:0x%02x"), Local_data->Udp_head->check);
this->PackTreeCtrl.InsertItem(str, udp);
}
}
else if (0x86dd == Local_data->Mac_head->Type) { //IPv6
HTREEITEM ip6 = this->PackTreeCtrl.InsertItem(_T("IPv6协议头"), data);
//////////////////////////////////////////////////////////////////////////////////////////
str.Format(_T("版本:%d"), Local_data->Ip6_head->flowtype);
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("流类型:%d"), Local_data->Ip6_head->version);
this->PackTreeCtrl.InsertItem(str, ip6);
///////////////////////////////////////////////////////////////////////////////////////////
str.Format(_T("流标签:%d"), Local_data->Ip6_head->flowid);
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("有效载荷长度:%d"), Local_data->Ip6_head->plen);
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("下一个首部:0x%02x"), Local_data->Ip6_head->nh);
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("跳限制:%d"), Local_data->Ip6_head->hlim);
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("源地址:"));
int n;
for (n = 0; n < 8; n++)
{
if (n <= 6)
str.AppendFormat(_T("%02x:"), Local_data->Ip6_head->saddr[n]);
else
str.AppendFormat(_T("%02x"), Local_data->Ip6_head->saddr[n]);
}
this->PackTreeCtrl.InsertItem(str, ip6);
str.Format(_T("目的地址:"));
for (n = 0; n < 8; n++)
{
if (n <= 6)
str.AppendFormat(_T("%02x:"), Local_data->Ip6_head->saddr[n]);
else
str.AppendFormat(_T("%02x"), Local_data->Ip6_head->saddr[n]);
}
this->PackTreeCtrl.InsertItem(str, ip6);
/*处理传输层ICMPv6、UDP、TCP*/
if (0x3a == Local_data->Ip6_head->nh) //ICMPv6
{
HTREEITEM icmp6 = this->PackTreeCtrl.InsertItem(_T("ICMPv6协议头"), data);
str.Format(_T("类型:%d"), Local_data->Icmp6_head->type);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("代码:%d"), Local_data->Icmp6_head->code);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("序号:%d"), Local_data->Icmp6_head->seq);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("校验和:%d"), Local_data->Icmp6_head->chksum);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("选项-类型:%d"), Local_data->Icmp6_head->op_type);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("选项-长度%d"), Local_data->Icmp6_head->op_len);
this->PackTreeCtrl.InsertItem(str, icmp6);
str.Format(_T("选项-链路层地址:"));
int i;
for (i = 0; i < 6; i++)
{
if (i <= 4)
str.AppendFormat(_T("%02x-"), Local_data->Icmp6_head->op_ethaddr[i]);
else
str.AppendFormat(_T("%02x"), Local_data->Icmp6_head->op_ethaddr[i]);
}
this->PackTreeCtrl.InsertItem(str, icmp6);
}
else if (0x06 == Local_data->Ip6_head->nh) { //TCP
HTREEITEM tcp = this->PackTreeCtrl.InsertItem(_T("TCP协议头"), data);
str.Format(_T(" 源端口:%d"), Local_data->Tcp_head->sport);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 目的端口:%d"), Local_data->Tcp_head->dport);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 序列号:0x%02x"), Local_data->Tcp_head->seq);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 确认号:%d"), Local_data->Tcp_head->ack_seq);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 头部长度:%d"), Local_data->Tcp_head->doff);
HTREEITEM flag = this->PackTreeCtrl.InsertItem(_T("标志位"), tcp);
str.Format(_T("cwr %d"), Local_data->Tcp_head->cwr);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("ece %d"), Local_data->Tcp_head->ece);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("urg %d"), Local_data->Tcp_head->urg);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("ack %d"), Local_data->Tcp_head->ack);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("psh %d"), Local_data->Tcp_head->psh);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("rst %d"), Local_data->Tcp_head->rst);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("syn %d"), Local_data->Tcp_head->syn);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T("fin %d"), Local_data->Tcp_head->fin);
this->PackTreeCtrl.InsertItem(str, flag);
str.Format(_T(" 紧急指针:%d"), Local_data->Tcp_head->urg_ptr);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 校验和:0x%02x"), Local_data->Tcp_head->check);
this->PackTreeCtrl.InsertItem(str, tcp);
str.Format(_T(" 选项:%d"), Local_data->Tcp_head->opt);
this->PackTreeCtrl.InsertItem(str, tcp);
}
else if (0x11 == Local_data->Ip6_head->nh) { //UDP
HTREEITEM udp = this->PackTreeCtrl.InsertItem(_T("UDP协议头"), data);
str.Format(_T("源端口:%d"), Local_data->Udp_head->sport);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("目的端口:%d"), Local_data->Udp_head->dport);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("总长度:%d"), Local_data->Udp_head->len);
this->PackTreeCtrl.InsertItem(str, udp);
str.Format(_T("校验和:0x%02x"), Local_data->Udp_head->check);
this->PackTreeCtrl.InsertItem(str, udp);
}
}
return 1;
}
int CMonitorDlg::Mointer_UpdateEdit(int index)
{
POSITION localpos, netpos;
localpos = this->LocalDataList.FindIndex(index);
netpos = this->NetlDataList.FindIndex(index);
DataPacket* local_data = (DataPacket*)(this->LocalDataList.GetAt(localpos));
u_char * net_data = (u_char*)(this->NetlDataList.GetAt(netpos));
CString buf;
Output_Packet(net_data, local_data->Length, &buf);
this->PackEdit.SetWindowText(buf);
return 1;
}
int CMonitorDlg::Mointer_UpdateCountPacket()
{
CString StrNum;
StrNum.Format(_T("%d"), this->Packet_count.Num_ARP);
this->ARPEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_HTTP);
this->HTTPEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_ICMP);
this->ICMPEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_IP6);
this->IPV6Edit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_OTH);
this->OTHEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_TCP);
this->TCPEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_UDP);
this->UDPEdit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_IP);
this->IPV4Edit.SetWindowText(StrNum);
StrNum.Format(_T("%d"), this->Packet_count.Num_IP6);
this->ICMPV6Edit.SetWindowText(StrNum);
return 1;
}
int CMonitorDlg::Mointer_SaveFile()
{
CFileFind Find;
if (NULL == Find.FindFile(CString(FilePath)))
{
MessageBox(_T("保存文件遇到未知意外"));
return -1;
}
//打开文件对话框
CFileDialog FileDlg(FALSE, _T(".pkt"), NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT);
FileDlg.m_ofn.lpstrInitialDir = _T("c:\\");
if (FileDlg.DoModal() == IDOK)
{
CopyFile(CString(FilePath), FileDlg.GetPathName(), TRUE);
}
return 1;
}
int CMonitorDlg::Mointer_ReadFile(CString path)
{
int res, nItem, i;
struct tm *LocalTime;
CString TimeStr, buf, srcMac, destMac;
time_t local_tv_sec;
struct pcap_pkthdr *PacketHeader; //数据包头
const u_char *pkt_data = NULL; //网络中收到的字节流数据
u_char *ppkt_data;
CMonitorDlg *Pthis = this; //些代码改造自lixsinff_CapThread，为节约工作量，故保留Pthis指针
pcap_t *fp;
//首先处理一下路径，利用pcap_open_offline打开文件时，
//路径需要用char *类型，不能用CString强制转换后的char *
int len = path.GetLength() + 1; /////////////////////////////////注意这一个细节，必须要加1，否则会出错
char* charpath = (char *)malloc(len);
memset(charpath, 0, len);
if (NULL == charpath)
return -1;
for (i = 0; i < len; i++)
charpath[i] = (char)path.GetAt(i);
//打开相关文件
if ((fp = pcap_open_offline( /*(char*)(LPCTSTR)path*/charpath, Errbuf)) == NULL)
{
MessageBox(_T("打开文件错误") + CString(Errbuf));
return -1;
}
while ((res = pcap_next_ex(fp, &PacketHeader, &pkt_data)) >= 0)
{
DataPacket *data = (DataPacket*)malloc(sizeof(DataPacket));
memset(data, 0, sizeof(DataPacket));
if (NULL == data)
{
MessageBox(_T("空间已满，无法接收新的数据包"));
return -1;
}
//分析出错或所接收数据包不在处理范围内
if (Analyze_Frame(pkt_data, data, &(Pthis->Packet_count)) < 0)
continue;
//更新各类数据包计数
Pthis->Mointer_UpdateCountPacket();
//将本地化后的数据装入一个链表中，以便后来使用
ppkt_data = (u_char*)malloc(PacketHeader->len);
memcpy(ppkt_data, pkt_data, PacketHeader->len);
Pthis->LocalDataList.AddTail(data);
Pthis->NetlDataList.AddTail(ppkt_data);
/*预处理，获得时间、长度*/
data->Length = PacketHeader->len; //链路中收到的数据长度
local_tv_sec = PacketHeader->ts.tv_sec;
LocalTime = localtime(&local_tv_sec);
data->Time[0] = LocalTime->tm_year + 1900;
data->Time[1] = LocalTime->tm_mon + 1;
data->Time[2] = LocalTime->tm_mday;
data->Time[3] = LocalTime->tm_hour;
data->Time[4] = LocalTime->tm_min;
data->Time[5] = LocalTime->tm_sec;
/*为新接收到的数据包在listControl中新建一个item*/
buf.Format(_T("%d"), Pthis->NumPacket);
nItem = Pthis->PackListCtrl.InsertItem(Pthis->NumPacket, buf);
/*显示时间戳*/
TimeStr.Format(_T("%d/%d/%d %d:%d:%d"),
data->Time[0],
data->Time[1],
data->Time[2],
data->Time[3],
data->Time[4],
data->Time[5]);
Pthis->PackListCtrl.SetItemText(nItem, 1, TimeStr);
/*显示长度*/
buf.Empty();
buf.Format(_T("%d"), data->Length);
Pthis->PackListCtrl.SetItemText(nItem, 2, buf);
/*显示源MAC*/
buf.Empty();
buf.Format(_T("%02X-%02X-%02X-%02X-%02X-%02X"),
data->Mac_head->src[0],
data->Mac_head->src[1],
data->Mac_head->src[2],
data->Mac_head->src[3],
data->Mac_head->src[4],
data->Mac_head->src[5]);
Pthis->PackListCtrl.SetItemText(nItem, 3, buf);
/*显示目的MAC*/
buf.Empty();
buf.Format(_T("%02X-%02X-%02X-%02X-%02X-%02X"),
data->Mac_head->dest[0],
data->Mac_head->dest[1],
data->Mac_head->dest[2],
data->Mac_head->dest[3],
data->Mac_head->dest[4],
data->Mac_head->dest[5]);
Pthis->PackListCtrl.SetItemText(nItem, 4, buf);
/*获得协议*/
Pthis->PackListCtrl.SetItemText(nItem, 5, CString(data->PacketType));
/*获得源IP*/
buf.Empty();
if (0x0806 == data->Mac_head->Type)
{
buf.Format(_T("%d.%d.%d.%d"),
data->Arp_head->Arp_srcip[0],
data->Arp_head->Arp_srcip[1],
data->Arp_head->Arp_srcip[2],
data->Arp_head->Arp_srcip[3]);
}
else if (0x0800 == data->Mac_head->Type) {
struct in_addr in;
in.S_un.S_addr = data->Ip_head->saddr;
buf = CString(inet_ntoa(in));
}
else if (0x86dd == data->Mac_head->Type) {
int i;
for (i = 0; i < 8; i++)
{
if (i <= 6)
buf.AppendFormat(_T("%02x-"), data->Ip6_head->saddr[i]);
else
buf.AppendFormat(_T("%02x"), data->Ip6_head->saddr[i]);
}
}
Pthis->PackListCtrl.SetItemText(nItem, 6, buf);
/*获得目的IP*/
buf.Empty();
if (0x0806 == data->Mac_head->Type)
{
buf.Format(_T("%d.%d.%d.%d"),
data->Arp_head->Arp_destip[0],
data->Arp_head->Arp_destip[1],
data->Arp_head->Arp_destip[2],
data->Arp_head->Arp_destip[3]);
}
else if (0x0800 == data->Mac_head->Type) {
struct in_addr in;
in.S_un.S_addr = data->Ip_head->daddr;
buf = CString(inet_ntoa(in));
}
else if (0x86dd == data->Mac_head->Type) {
int i;
for (i = 0; i < 8; i++)
{
if (i <= 6)
buf.AppendFormat(_T("%02x-"), data->Ip6_head->daddr[i]);
else
buf.AppendFormat(_T("%02x"), data->Ip6_head->daddr[i]);
}
}
Pthis->PackListCtrl.SetItemText(nItem, 7, buf);
/*对包计数*/
Pthis->NumPacket++;
}
pcap_close(fp);
return 1;
}
void CMonitorDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX, IDC_COMBO_DEV, ChoseDEV);
DDX_Control(pDX, IDC_COMBO_RULE, ChoseRULE);
DDX_Control(pDX, IDC_LIST1, PackListCtrl);
DDX_Control(pDX, IDC_TREE1, PackTreeCtrl);
DDX_Control(pDX, IDC_EDIT1, PackEdit);
DDX_Control(pDX, IDC_EDIT2, TCPEdit);
DDX_Control(pDX, IDC_EDIT3, HTTPEdit);
DDX_Control(pDX, IDC_EDIT4, IPV6Edit);
DDX_Control(pDX, IDC_EDIT5, UDPEdit);
DDX_Control(pDX, IDC_EDIT6, ARPEdit);
DDX_Control(pDX, IDC_EDIT7, IPV4Edit);
DDX_Control(pDX, IDC_EDIT8, ICMPEdit);
DDX_Control(pDX, IDC_EDIT9, ICMPV6Edit);
DDX_Control(pDX, IDC_EDIT10, OTHEdit);
DDX_Control(pDX, IDC_BUTTON_START, BTStart);
DDX_Control(pDX, IDC_BUTTON_STOP, BTStop);
DDX_Control(pDX, IDC_BUTTON_SAVE, BTSave);
DDX_Control(pDX, IDC_BUTTON_READ, BTRead);
}
BEGIN_MESSAGE_MAP(CMonitorDlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_START, &CMonitorDlg::OnBnClickedButtonStart)
ON_BN_CLICKED(IDC_BUTTON_STOP, &CMonitorDlg::OnBnClickedButtonStop)
ON_BN_CLICKED(IDC_BUTTON_SAVE, &CMonitorDlg::OnBnClickedButtonSave)
ON_BN_CLICKED(IDC_BUTTON_READ, &CMonitorDlg::OnBnClickedButtonRead)
ON_NOTIFY(LVN_ITEMCHANGED, IDC_LIST1, &CMonitorDlg::OnLvnItemchangedList1)
// ON_NOTIFY(NM_CUSTOMDRAW, IDC_TREE1, &CMonitorDlg::OnNMCustomdrawTree1)
ON_NOTIFY(NM_CUSTOMDRAW, IDC_LIST1, &CMonitorDlg::OnNMCustomdrawList1)
ON_BN_CLICKED(IDC_BUTTON1, &CMonitorDlg::OnBnClickedButton1)
END_MESSAGE_MAP()
// CMonitorDlg 消息处理程序
BOOL CMonitorDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{