原始套接字抓包源码求 大神修改 VS2010

C域

1. <p><div class="blockcode"><blockquote>#include<iostream>
   
2. #include<stdio.h>
   
3. #include<winsock2.h>
   
4. #include<ws2tcpip.h>
   
5. #pragma comment(lib,"ws2_32")
   
6. 
   
7. #define IO_RCVALL _WSAIOW(IOC_VENDOR,1)
   
8. 
   
9. typedef struct tcp_hdr
   
10. {
    
11.     unsigned short    th_sport;
    
12.     unsigned short    th_dport;
    
13.     unsigned int    th_seq;
    
14.     unsigned int    th_ack;
    
15.     unsigned char    th_lenres;
    
16.     unsigned char    th_flag;
    
17.     unsigned short    th_win;
    
18.     unsigned short    th_sum;
    
19.     unsigned short    th_urp;
    
20. }TCP_HEADER;
    
21. 
    
22. typedef struct IP_HEAD
    
23. {
    
24. union
    
25. {
    
26.   unsigned char Version;
    
27.   unsigned char HeadLen;
    
28. };
    
29. unsigned char ServiceType;
    
30. unsigned short TotalLen;
    
31. unsigned short Identifier;
    
32. union
    
33. {
    
34.   unsigned short Flags;
    
35.   unsigned short FragOffset;
    
36. };
    
37. unsigned char TimeToLive;
    
38. unsigned char Protocol;
    
39. unsigned short HeadChecksum;
    
40. unsigned int SourceAddr;
    
41. unsigned int DestinAddr;
    
42. unsigned char Options;
    
43. }ip_head;
    
44. 
    
45. void main(int argc,char *argv[])
    
46. {
    
47. using namespace std;
    
48. argc=2;
    
49. if(argc!=2)
    
50. {
    
51.   cout<<endl<<"请以下格式输入命令行:PackParse packet_sum"<<endl;
    
52.   return;
    
53. }
    
54. WSADATA WSAData;
    
55. if(WSAStartup(MAKEWORD(2,2), &WSAData)!=0)
    
56. {
    
57.   cout<<endl<<"WSASTartup初始化失敗"<<endl;
    
58.   return;
    
59. }
    
60. SOCKET sock=socket(AF_INET,SOCK_RAW,IPPROTO_IP);//創建原始套接字
    
61. if(sock==INVALID_SOCKET)
    
62. {
    
63.   cout<<endl<<"創建Socket失敗!"<<endl;
    
64.   goto exit_clean;
    
65. }
    
66. BOOL flag=TRUE;
    
67. if(setsockopt(sock,IPPROTO_IP,IP_HDRINCL,(char*) &flag,sizeof(flag))==SOCKET_ERROR)//設置端口
    
68. {
    
69.   cout<<endl<<"setsockopt操作失敗:"<<WSAGetLastError()<<endl;
    
70.   goto exit_clean;
    
71. }
    
72. char hostName[128];
    
73. if(gethostname(hostName,100)==SOCKET_ERROR)//獲取主機名稱
    
74. {
    
75.   cout<<endl<<"gethostname操作失敗:"<<WSAGetLastError()<<endl;
    
76.   goto exit_clean;
    
77. }
    
78. hostent *pHostIP;
    
79. if((pHostIP=gethostbyname(hostName))==NULL)//獲取主機對應IP地址
    
80. {
    
81.   cout<<endl<<"gethostbyname操作失敗:"<<WSAGetLastError()<<endl;
    
82.   goto exit_clean;
    
83. }
    
84. sockaddr_in host_addr;
    
85. host_addr.sin_family=AF_INET;
    
86. host_addr.sin_port=htons(8000);
    
87. host_addr.sin_addr=*(in_addr *)pHostIP->h_addr_list[0];
    
88. if(bind(sock,(SOCKADDR*)&host_addr,sizeof(host_addr))==SOCKET_ERROR)
    
89. {
    
90.   cout<<endl<<"bind操作失敗:"<<WSAGetLastError()<<endl;
    
91.   goto exit_clean;
    
92. }
    
93. // char buffer1[65535];
    
94. // recv(sock,buffer1,65535,0);
    
95. DWORD dwBufferLen[10];
    
96. DWORD dwBufferInLen=1;
    
97. DWORD dwBytesReturned=0;
    
98. if(WSAIoctl(sock,IO_RCVALL ,&dwBufferInLen ,sizeof(dwBufferInLen) ,&dwBufferLen,sizeof(dwBufferLen),&dwBytesReturned,NULL,NULL)==SOCKET_ERROR)
    
99. {
    
100.   cout<<endl<<"WSAIoctl操作失敗:"<<WSAGetLastError()<<endl;
     
101.   goto exit_clean;
     
102. }
     
103. cout<<endl<<"開始解析IP包:"<<endl;
     
104. char buffer[65535];
     
105. int packsum=atoi("1231");//
     
106. 
     
107. for(int i=0;i<packsum;i++)
     
108. {
     
109.          p:
     
110.   if(recv(sock,buffer,65535,0)>0)
     
111.   {
     
112.    ip_head ip=*(ip_head *)buffer;
     
113.    if((int)ip.Protocol!=IPPROTO_TCP)
     
114.    {
     
115.            printf("no Smtp\n");
     
116.            goto p;
     
117.    }
     
118.    printf("is Smet");
     
119.    cout<<"-----------------------"<<endl;
     
120.    cout<<"版本:"<<(ip.Version>>4)<<endl;
     
121.    cout<<"頭部長度:"<<((ip.HeadLen &0x0f)*4)<<endl;
     
122.    cout<<"服務類型:Priority"<<(ip.ServiceType>>5)<<", Service"<<((ip.ServiceType>>1)&0x0f)<<endl;
     
123.    cout<<"總長度:"<<ip.TotalLen<<endl;
     
124.    cout<<"標示符:"<<ip.Identifier<<endl;
     
125.    cout<<"標志位:"<<((ip.Flags>>15)&0x01)<<",DF= "<<((ip.Flags>>14)&0x01)<<",Mf="<<((ip.Flags>>13)&0x01)<<endl;
     
126.    cout<<"偏移位:"<<(ip.FragOffset&0x1fff)<<endl;
     
127.    cout<<"生存周期:"<<(int)ip.TimeToLive<<endl;
     
128.    cout<<"協議:Protocol: "<<(int)ip.Protocol<<endl;
     
129.    switch((int)ip.Protocol)
     
130.    {
     
131.    case IPPROTO_TCP:
     
132.            {
     
133.                    printf("----------------TCP----------------- \n");
     
134.                                 /*获取 TCP 相关数据 ？？？？？？*/
     
135.                    goto to;  
     
136.            }
     
137.         case IPPROTO_ICMP:
     
138.            {
     
139.                    printf("---------------------ICMP--------------- \n");
     
140.                    goto to;  
     
141.            }
     
142.                    case IPPROTO_CBT:
     
143.            {
     
144.                    printf("------------------CBT---------------- \n");
     
145.                    goto to;  
     
146.            }
     
147.                    case IPPORT_FTP:
     
148.            {
     
149.                    printf("-----------------FTP------------- \n");
     
150.                    goto to;  
     
151.            }
     
152.                    case IPPORT_SMTP:
     
153.            {
     
154.                    printf("------------------SMTP------------------ \n");
     
155.                    goto to;  
     
156.            }   
     
157.    }
     
158.   to:
     
159.    cout<<"頭部校驗和:"<<ip.HeadChecksum<<endl;
     
160.    cout<<"原地址:"<<inet_ntoa(*(in_addr *)&ip.SourceAddr)<<endl;
     
161.    cout<<"目的IP地址:"<<inet_ntoa(*(in_addr *)&ip.DestinAddr)<<endl;
     
162.    printf("buffer=%d\n",ip.Protocol);
     
163.   }
     
164. }
     
165. Sleep(10000);
     
166. exit_clean:
     
167. closesocket(sock);
     
168. WSACleanup();
     
169. }

复制代码