server2.cpp

栈溢出源码

/****************************************************************************/
/*      server.cpp By Ipxodi
*/

#include <winsock2.h>
#include <stdio.h>
#pragma comment (lib,"ws2_32")

char Buff[1024];
void overflow(char * s,int size)
{
        char s1[50];
        printf("receive %d bytes",size);
        s[size]=0;
        strcpy(s1,s);
}

int main()
{
        WSADATA wsa;
        SOCKET listenFD;
        int ret;
        char asd[2048];

        WSAStartup(MAKEWORD(2,2),&wsa);

        listenFD = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

        struct sockaddr_in server;

        server.sin_family = AF_INET;
        server.sin_port = htons(3764);
        server.sin_addr.s_addr=ADDR_ANY;
        ret=bind(listenFD,(sockaddr *)&server,sizeof(server));
        ret=listen(listenFD,2);

        int iAddrSize = sizeof(server);
        SOCKET clientFD=accept(listenFD,(sockaddr *)&server,&iAddrSize);
        unsigned long lBytesRead;
        while(1)        {
                        lBytesRead=recv(clientFD,Buff,1024,0);
                        if(lBytesRead<=0)       break;

                        overflow(Buff,lBytesRead);

                        ret=send(clientFD,Buff,lBytesRead,0);
                        if(ret<=0)      break;

        }
        WSACleanup();
        return 0;
}
/****************************************************************************/