{"id":38,"date":"2013-09-14T12:58:11","date_gmt":"2013-09-14T12:58:11","guid":{"rendered":""},"modified":"2013-09-14T12:58:11","modified_gmt":"2013-09-14T12:58:11","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=38","title":{"rendered":"Sniffer"},"content":{"rendered":"

#include <stdio.h>
\n#include <stdlib.h>
\n#include <winsock2.h>
\n#include <string.h>
\n#include <conio.h>
\n#include <iphlpapi.h><\/p>\n

#define MAX_SIZE 1500
\n#define SIO_RCVALL _WSAIOW(IOC_VENDOR,1)<\/p>\n

#pragma comment(lib,”ws2_32.lib”)
\n#pragma comment(lib,”Iphlpapi.lib”)<\/p>\n

\/*
\n\u5b9a\u4e49
\n#define MAX_ADAPTER_NAME_LENGTH 256
\n#define MAX_ADAPTER_DESCRIPTION_LENGTH 128
\n#define MAX_ADAPTER_ADDRESS_LENGTH 8
\ntypedef struct _IP_ADAPTER_INFO
\n{
\nstruct _IP_ADAPTER_INFO* Next;\/\/\u6307\u5411\u94fe\u8868\u4e2d\u4e0b\u4e00\u4e2a\u9002\u914d\u5668\u4fe1\u606f\u7684\u6307\u9488
\nDWORD ComboIndex;\/\/\u9884\u7559\u503c
\nchar AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];\/\/\u9002\u914d\u5668\u540d\u79f0
\nchar Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4];\/\/\u9002\u914d\u5668\u63cf\u8ff0
\nUINT AddressLength;\/\/\u9002\u914d\u5668\u786c\u4ef6\u5730\u5740\u4ee5\u5b57\u8282\u8ba1\u7b97\u7684\u957f\u5ea6
\nBYTE Address[MAX_ADAPTER_ADDRESS_LENGTH];\/\/\u786c\u4ef6\u5730\u5740\u4ee5BYTE\u6570\u7ec4\u6240\u8868\u793a
\nDWORD Index;\/\/\u9002\u914d\u5668\u7d22\u5f15
\nUINT Type;\/\/\u9002\u914d\u5668\u7c7b\u578b
\nUINT DhcpEnabled;\/\/\u6307\u5b9a\u8fd9\u4e2a\u9002\u914d\u5668\u662f\u5426\u5f00\u542f
\nDHCP    PIP_ADDR_STRING CurrentIpAddress;\/\/\u9884\u7559\u503c
\nIP_ADDR_STRING IpAddressList;\/\/\u8be5\u9002\u914d\u5668\u7684IPv4\u5730\u5740\u94fe\u8868
\nIP_ADDR_STRING GatewayList;\/\/\u8be5\u9002\u914d\u5668\u7684\u7f51\u5173IPv4\u5730\u5740\u94fe\u8868
\nIP_ADDR_STRING DhcpServer;\/\/\u8be5\u9002\u914d\u5668\u7684DHCP\u670d\u52a1\u5668\u7684IPv4 \u5730\u5740\u94fe\u8868
\nBOOL HaveWins;
\nIP_ADDR_STRING PrimaryWinsServer;
\nIP_ADDR_STRING SecondaryWinsServer;
\ntime_t LeaseObtained;
\ntime_t LeaseExpires;
\n} IP_ADAPTER_INFO,*PIP_ADAPTER_INFO;<\/p>\n

*\/<\/p>\n

typedef struct ipheader
\n{
\n    unsigned char ip_hl:4;    \/*header length(\u62a5\u5934\u957f\u5ea6\uff09*\/
\n    unsigned char ip_v:4;    \/*version(\u7248\u672c)*\/
\n    unsigned char ip_tos;    \/*type os service\u670d\u52a1\u7c7b\u578b*\/
\n    unsigned short int ip_len;   \/*total length (\u603b\u957f\u5ea6)*\/
\n    unsigned short int ip_id;   \/*identification (\u6807\u8bc6\u7b26)*\/
\n    unsigned short int ip_off;   \/*fragment offset field(\u6bb5\u79fb\u4f4d\u57df)*\/
\n    unsigned char ip_ttl;    \/*time to live (\u751f\u5b58\u65f6\u95f4)*\/
\n    unsigned char ip_p;     \/*protocol(\u534f\u8bae)*\/
\n    unsigned short int ip_sum;   \/*checksum(\u6821\u9a8c\u548c)*\/
\n    unsigned int ip_src;    \/*source address(\u6e90\u5730\u5740)*\/
\n    unsigned int ip_dst;    \/*destination address(\u76ee\u7684\u5730\u5740)*\/
\n} IP;         \/* total ip header length: 20 bytes (=160 bits) *\/<\/p>\n

typedef struct tcpheader
\n{
\n    unsigned short int sport;   \/*source port (\u6e90\u7aef\u53e3\u53f7)*\/
\n    unsigned short int dport;   \/*destination port(\u76ee\u7684\u7aef\u53e3\u53f7)*\/
\n    unsigned int th_seq;    \/*sequence number(\u5305\u7684\u5e8f\u5217\u53f7)*\/
\n    unsigned int th_ack;    \/*acknowledgement number(\u786e\u8ba4\u5e94\u7b54\u53f7)*\/
\n    unsigned char th_x:4;    \/*unused(\u672a\u4f7f\u7528)*\/
\n    unsigned char th_off:4;    \/*data offset(\u6570\u636e\u504f\u79fb\u91cf)*\/
\n    unsigned char Flags;    \/*\u6807\u5fd7\u5168*\/
\n    unsigned short int th_win;   \/*windows(\u7a97\u53e3)*\/
\n    unsigned short int th_sum;   \/*checksum(\u6821\u9a8c\u548c)*\/
\n    unsigned short int th_urp;   \/*urgent pointer(\u7d27\u6025\u6307\u9488)*\/
\n} TCP;<\/p>\n

typedef struct udphdr
\n{
\n    unsigned short sport;    \/*source port(\u6e90\u7aef\u53e3\u53f7)*\/
\n    unsigned short dport;    \/*destination port(\u76ee\u7684\u7aef\u53e3\u53f7)*\/
\n    unsigned short len;     \/*udp length(udp\u957f\u5ea6)*\/
\n    unsigned short cksum;    \/*udp checksum(udp\u6821\u9a8c\u548c)*\/
\n} UDP;<\/p>\n

char *Choose_Adapter()
\n{
\n    static char IP_Address[20];
\n    int Adapters_Amount=0;
\n    int Adapter;
\n    IP_ADAPTER_INFO AdapterInfo[16];     \/\/\u5b9a\u4e49\u5b58\u50a8\u7f51\u5361\u4fe1\u606f\u7684\u7ed3\u6784\u6570\u7ec4
\n    DWORD ArrayLength=sizeof(AdapterInfo);                   \/\/\u7f13\u51b2\u533a\u957f\u5ea6<\/p>\n

    if(GetAdaptersInfo(AdapterInfo,&ArrayLength)!=ERROR_SUCCESS)
\n        return NULL;
\n    PIP_ADAPTER_INFO PAdapterInfo = AdapterInfo;    \/\/IP_ADAPTER_INFO\u7ed3\u6784\u4f53\u6307\u9488
\n    do
\n    {
\n        Adapters_Amount++;
\n        printf(“——————————————————-\\n%d.\\n\\n”,Adapters_Amount);
\n        printf(“\u7f51\u5361\u540d:%s\\n”,PAdapterInfo->AdapterName);
\n        printf(“\u7f51\u5361\u63cf\u8ff0:%s\\n”,PAdapterInfo->Description);
\n        printf(“IP\u5730\u5740:%s\\n”,PAdapterInfo->IpAddressList.IpAddress.String);
\n        printf(“\u5b50\u7f51\u63a9\u7801:%s\\n”,PAdapterInfo->IpAddressList.IpMask.String);
\n        printf(“\u7f51\u5173:%s\\n”,PAdapterInfo->GatewayList.IpAddress.String);
\n        PAdapterInfo=PAdapterInfo->Next;
\n    }
\n    while(PAdapterInfo);
\n    printf(“——————————————————-\\n\\n”);<\/p>\n

    printf(“\u8bf7\u9009\u62e9\u4e00\u4e2a\u7f51\u5361:”);
\n    while(true)
\n    {
\n        fflush(stdin);
\n        if(scanf(“%d”,&Adapter)==1 && Adapter<=Adapters_Amount && Adapter>0) break;
\n        printf(“\u8f93\u5165\u6709\u8bef,\u8bf7\u91cd\u65b0\u9009\u62e9:”);
\n    }
\n    memset(IP_Address,NULL,sizeof(IP_Address));
\n    strcat(IP_Address,AdapterInfo[Adapter-1].IpAddressList.IpAddress.String);<\/p>\n

    return IP_Address;
\n}<\/p>\n

bool filter(IP *PIP,TCP *PTCP,UDP *PUDP,char *Sniff_IP,int Sniff_Port)
\n{
\n    if(strcmpi(Sniff_IP,”0″))
\n    {
\n        \/\/\u55c5\u63a2\u6307\u5b9a\u7684IP
\n        if(!strcmpi(Sniff_IP,inet_ntoa(*(in_addr *)&PIP->ip_src)) || !strcmpi(Sniff_IP,inet_ntoa(*(in_addr *)&PIP->ip_dst)))
\n        {
\n            if(Sniff_Port)
\n            {
\n                \/\/\u55c5\u63a2\u6307\u5b9a\u7684\u7aef\u53e3
\n                if(PTCP)
\n                {
\n                    if((int)ntohs(PTCP->sport)==Sniff_Port || (int)ntohs(PTCP->dport)==Sniff_Port)
\n                    {
\n                        return true;
\n                    }
\n                }
\n                else if(PUDP)
\n                {
\n                    if(ntohs(PUDP->sport)==Sniff_Port || ntohs(PUDP->dport)==Sniff_Port)
\n                    {
\n                        return true;
\n                    }
\n                }
\n            }
\n            else
\n                return true;
\n        }
\n    }
\n    else
\n    {
\n        if(Sniff_Port!=0)
\n        {
\n            \/\/\u55c5\u63a2\u6307\u5b9a\u7684\u7aef\u53e3
\n            if(PTCP)
\n            {
\n                if(ntohs(PTCP->sport)==Sniff_Port || ntohs(PTCP->dport)==Sniff_Port)
\n                {
\n                    return true;
\n                }
\n            }
\n            else if(PUDP)
\n            {
\n                if(ntohs(PUDP->sport)==Sniff_Port || ntohs(PUDP->dport)==Sniff_Port)
\n                {
\n                    return true;
\n                }
\n            }
\n        }
\n        else
\n            return true;
\n    }
\n    return false;
\n}<\/p>\n

bool Sniffer(char *IP_Address,int Proto,char *Sniff_IP,int Sniff_Port)
\n{
\n    FILE *file=NULL;
\n    SOCKET soc=INVALID_SOCKET;
\n    struct sockaddr_in saddr;
\n    WSADATA wsa;
\n    char RecvBuff[MAX_SIZE];
\n    unsigned long SIO_Parameter=1;<\/p>\n

    IP *PIP=(IP *)RecvBuff;         \/\/\u6307\u5411IP\u7ed3\u6784\u4f53\u7684\u6307\u9488
\n    TCP *PTCP=(TCP *)(RecvBuff+sizeof(IP));
\n    UDP *PUDP=(UDP *)(RecvBuff+sizeof(IP));<\/p>\n

    memset(&saddr,NULL,sizeof(saddr));
\n    saddr.sin_family=AF_INET;
\n    saddr.sin_addr.S_un.S_addr=inet_addr(IP_Address);
\n    saddr.sin_port=htons(0);<\/p>\n

    if((file=fopen(“sniffer.txt”,”wt”))==NULL)
\n    {
\n        printf(“\u521b\u5efa\u6587\u4ef6\u5931\u8d25\u3002\\n”);
\n        return false;
\n    }<\/p>\n

    if(WSAStartup(MAKEWORD(2,2),&wsa)!=0)
\n    {
\n        printf(“\u521d\u59cb\u5316\u5931\u8d25\u3002\\n”);
\n        return false;
\n    }<\/p>\n

    if((soc=socket(AF_INET,SOCK_RAW,IPPROTO_IP))==INVALID_SOCKET) \/\/\u521b\u5efa\u539f\u59cb\u5957\u63a5\u5b57
\n    {
\n        printf(“\u521b\u5efa\u5957\u63a5\u5b57\u5931\u8d25\u3002\\n”);
\n        WSACleanup();
\n        return false;
\n    }<\/p>\n

    if(bind(soc,(struct sockaddr *)&saddr,sizeof(saddr))!=0)
\n    {
\n        printf(“\u7ed1\u5b9a\u5730\u5740\u5931\u8d25\u3002\\n”);
\n        closesocket(soc);
\n        WSACleanup();
\n        return false;
\n    }<\/p>\n

    ioctlsocket(soc,SIO_RCVALL,&SIO_Parameter);  \/\/\u63a7\u5236\u5957\u63a5\u53e3\u6a21\u5f0f\uff0c\u63a5\u6536\u6240\u6709\u6570\u636e\u5305\u3002<\/p>\n

    printf(“\u5f00\u59cb\u55c5\u63a2…\\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\\n\\n”);
\n    while(true)
\n    {
\n        memset(RecvBuff,NULL,sizeof(RecvBuff));
\n        recv(soc,RecvBuff,sizeof(RecvBuff),0);
\n        if(PIP->ip_p==IPPROTO_TCP && (Proto==0 || Proto==1))
\n        {
\n            if(filter(PIP,PTCP,NULL,Sniff_IP,Sniff_Port))
\n            {
\n                printf(“\u534f\u8bae:TCP\\n”);
\n                printf(“\u6765\u6e90:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_src),ntohs(PTCP->sport));
\n                printf(“\u76ee\u6807:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_dst),ntohs(PTCP->dport));
\n                puts(“\u6570\u636e\u5305\u5185\u5bb9:\\n\\n\\n”);
\n                printf(“%s\\n”,RecvBuff+sizeof(IP)+sizeof(TCP));
\n                puts(“\\n\\n——————————————————————–\\n”);<\/p>\n

                fprintf(file,”\u534f\u8bae:TCP\\n”);
\n                fprintf(file,”\u6765\u6e90:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_src),ntohs(PTCP->sport));
\n                fprintf(file,”\u76ee\u6807:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_dst),ntohs(PTCP->dport));
\n                fputs(“\u6570\u636e\u5305\u5185\u5bb9:\\n\\n\\n”,file);
\n                fprintf(file,”%s\\n”,RecvBuff+sizeof(IP)+sizeof(TCP));
\n                fputs(“\\n\\n——————————————————————–\\n”,file);
\n                fflush(file);
\n            }
\n        }
\n        else if(PIP->ip_p==IPPROTO_UDP && (Proto==0 || Proto==2))
\n        {
\n            if(filter(PIP,NULL,PUDP,Sniff_IP,Sniff_Port))
\n            {
\n                printf(“\u534f\u8bae:UDP\\n”);
\n                printf(“\u6765\u6e90:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_src),ntohs(PUDP->sport));
\n                printf(“\u76ee\u6807:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_dst),ntohs(PUDP->dport));
\n                puts(“\u6570\u636e\u5305\u5185\u5bb9:\\n\\n\\n”);
\n                printf(“%s\\n”,RecvBuff+sizeof(IP)+sizeof(UDP));
\n                puts(“\\n\\n——————————————————————–\\n”);<\/p>\n

                fprintf(file,”\u534f\u8bae:UDP\\n”);
\n                fprintf(file,”\u6765\u6e90:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_src),ntohs(PUDP->sport));
\n                fprintf(file,”\u76ee\u6807:%s:%d\\n”,inet_ntoa(*(in_addr *)&PIP->ip_dst),ntohs(PUDP->dport));
\n                fputs(“\u6570\u636e\u5305\u5185\u5bb9:\\n\\n\\n”,file);
\n                fprintf(file,”%s\\n”,RecvBuff+sizeof(IP)+sizeof(UDP));
\n                fputs(“\\n\\n——————————————————————–\\n”,file);
\n                fflush(file);
\n            }
\n        }
\n        else
\n            continue;
\n    }
\n}<\/p>\n

int main(int argc,char *argv[])
\n{
\n    system(“color b”);
\n    char *IP_Address=NULL;
\n    char Sniff_IP[20];
\n    int Sniff_Port;
\n    int Proto;<\/p>\n

    if((IP_Address=Choose_Adapter())==NULL)
\n    {
\n        printf(“\u83b7\u53d6\u7f51\u5361\u4fe1\u606f\u5931\u8d25\u3002\\n”);
\n        getch();
\n        return -1;
\n    }<\/p>\n

    printf(“\u8bf7\u9009\u62e9\u55c5\u63a2\u7684\u534f\u8bae(0.TCP & UDP; 1.TCP; 2.UDP):\\n”);
\nagain1:
\n    fflush(stdin);
\n    if(scanf(“%d”,&Proto)!=1 || Proto<0 || Proto>2)
\n    {
\n        printf(“\u8f93\u5165\u6709\u8bef\uff0c\u8bf7\u91cd\u65b0\u9009\u62e9:”);
\n        goto again1;
\n    }
\n    memset(Sniff_IP,NULL,sizeof(Sniff_IP));
\n    printf(“\u8bf7\u8f93\u5165\u6240\u9700\u55c5\u63a2\u7684IP(\\”0\\”\u4e3a\u55c5\u63a2\u6240\u6709IP):\\n”);
\n    fflush(stdin);
\n    gets(Sniff_IP);
\n    printf(“\u8bf7\u8f93\u5165\u6240\u9700\u55c5\u63a2\u7684\u7aef\u53e3(\\”0\\”\u4e3a\u55c5\u63a2\u6240\u6709\u7aef\u53e3):\\n”);
\nagain2:
\n    fflush(stdin);
\n    if(scanf(“%d”,&Sniff_Port)!=1)
\n    {
\n        printf(“\u8f93\u5165\u6709\u8bef,\u8bf7\u91cd\u65b0\u8f93\u5165:”);
\n        goto again2;
\n    }<\/p>\n

    if(!Sniffer(IP_Address,Proto,Sniff_IP,Sniff_Port))
\n    {
\n        printf(“\u542f\u52a8\u55c5\u63a2\u5931\u8d25\u3002\\n”);
\n        getch();
\n        return -1;
\n    }
\n    return 0;
\n}<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\n <\/p>\n","protected":false},"excerpt":{"rendered":"

#include <stdio.h>
\n#include <stdlib.h>
\n#include <winsock2.h>
\n#include <string.h>
\n#include <conio.h>
\n#include <iphlpapi.h><\/p>\n

#define MAX_SIZE 1500
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