Linux Socket±à³ÌʵÀý(Ò»¸öHello World³ÌÐò)
Linux Socket±à³ÌʵÀý(Ò»¸öHello World³ÌÐò)
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/**
* Tcp Server program, It is a simple example only.
* zhengsh 200520602061 2
* when client connect to server, send a welcome message and timestamp in server.
*/
#include <stdio.h>
#include <sys/socket.h>
#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <time.h>
#define SERVER_PORT 20000 // define the defualt connect port id
#define LENGTH_OF_LISTEN_QUEUE 10 //length of listen queue in server
#define BUFFER_SIZE 255
#define WELCOME_MESSAGE "welcome to connect the server. "
int main(int argc, char **argv)
{
int servfd,clifd;
struct sockaddr_in servaddr,cliaddr;
if ((servfd = socket(AF_INET,SOCK_STREAM,0)) < 0)
{
printf("create socket error!\n");
exit(1);
}
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(SERVER_PORT);
servaddr.sin_addr.s_addr = htons(INADDR_ANY);
if (bind(servfd,(struct sockaddr*)&servaddr,sizeof(servaddr))<0)
{
printf("bind to port %d failure!\n",SERVER_PORT);
exit(1);
}
if (listen
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So you want to root a linux system? But, you don't know shit about it?
Well, this guide is for you.
Tools covered by this guide
-----------------------
netcat [utility for creating a backdoor shell, but can be used for a plethora of other things]
gcc [c program compiler, the h ......
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/boot/vmlinuz ÄÚºË
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