cyberhck/index.c

## index.c
#include<netinet/in.h>
#include<signal.h>
#include<stdio.h>
#include<stdlib.h>
#include<sys/socket.h>
#include<sys/stat.h>
#include<sys/types.h>
#include<unistd.h>
#include<string.h>
void sig_handler();
const char * get_data();
int glob_sock;
int main(int argc, char *argv[]){
	int create_socket, new_socket;
	int yes = 1;
	socklen_t addrlen;
	int bufsize = 1024;
	char *buffer = malloc(bufsize);
	struct sockaddr_in address;
	if((create_socket = socket(AF_INET, SOCK_STREAM, 0))>0 ){
		glob_sock = create_socket;
		printf("The socket was created\n");
	}else{
		printf("Socket creation failed\n");
		return 1;
	}
	if (signal(SIGINT, sig_handler) == SIG_ERR)
		printf("\nError:can't catch SIGINT\n");
	address.sin_family = AF_INET;
	address.sin_addr.s_addr = INADDR_ANY;
	address.sin_port = htons(15000);
	if(setsockopt(create_socket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) == -1){
		printf("Error:set sock opt\n");
	}
	if(bind(create_socket, (struct sockaddr *) &address, sizeof(address)) == 0){
		printf("binding socket\n");
	}else{
		printf("Error: binding socket");
		return 1;
	}
	while(1){ /*keep on listening*/
		if(listen(create_socket, 10) < 0) {
			printf("Error?:Server: listen");
			return 1;
		}
		if ((new_socket = accept(create_socket, (struct sockaddr *) &address, &addrlen)) < 0) {
			printf("error:server: accept");
        		exit(1);
		}
		if(new_socket > 0){
			printf("new request received\n");
		}
		recv(new_socket, buffer, bufsize, 0);
		printf("%s\n", buffer);
		write(new_socket, "HTTP/1.1 200 OK\n", 16);
		write(new_socket, "Content-length: 46\n", 19);
		write(new_socket, "Content-Type: text/html\n\n", 25);
		const char *data;
		data = get_data();
		write(new_socket,data,strlen(data));
		//data = "<html><body><H1>Hello world</H1></body></html>\n";
		//write(new_socket, "hello",5);
		//write(new_socket, "world",5);
		//write(new_socket, data, strlen(data));
		//write(new_socket, data, strlen(data));
		close(new_socket);
	}
	close(create_socket);
	return 0;
}
void sig_handler(int signo)
{
	close(glob_sock);
	exit(0);
}
const char * get_data(){
	return "Hel";
}
	#include<netinet/in.h>
	#include<signal.h>
	#include<stdio.h>
	#include<stdlib.h>
	#include<sys/socket.h>
	#include<sys/stat.h>
	#include<sys/types.h>
	#include<unistd.h>
	#include<string.h>
	void sig_handler();
	const char * get_data();
	int glob_sock;
	int main(int argc, char *argv[]){
	int create_socket, new_socket;
	int yes = 1;
	socklen_t addrlen;
	int bufsize = 1024;
	char *buffer = malloc(bufsize);
	struct sockaddr_in address;
	if((create_socket = socket(AF_INET, SOCK_STREAM, 0))>0 ){
	glob_sock = create_socket;
	printf("The socket was created\n");
	}else{
	printf("Socket creation failed\n");
	return 1;
	}
	if (signal(SIGINT, sig_handler) == SIG_ERR)
	printf("\nError:can't catch SIGINT\n");
	address.sin_family = AF_INET;
	address.sin_addr.s_addr = INADDR_ANY;
	address.sin_port = htons(15000);
	if(setsockopt(create_socket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) == -1){
	printf("Error:set sock opt\n");
	}
	if(bind(create_socket, (struct sockaddr *) &address, sizeof(address)) == 0){
	printf("binding socket\n");
	}else{
	printf("Error: binding socket");
	return 1;
	}
	while(1){ /keep on listening/
	if(listen(create_socket, 10) < 0) {
	printf("Error?:Server: listen");
	return 1;
	}
	if ((new_socket = accept(create_socket, (struct sockaddr *) &address, &addrlen)) < 0) {
	printf("error:server: accept");
	exit(1);
	}
	if(new_socket > 0){
	printf("new request received\n");
	}
	recv(new_socket, buffer, bufsize, 0);
	printf("%s\n", buffer);
	write(new_socket, "HTTP/1.1 200 OK\n", 16);
	write(new_socket, "Content-length: 46\n", 19);
	write(new_socket, "Content-Type: text/html\n\n", 25);
	const char *data;
	data = get_data();
	write(new_socket,data,strlen(data));
	//data = "<html><body><H1>Hello world</H1></body></html>\n";
	//write(new_socket, "hello",5);
	//write(new_socket, "world",5);
	//write(new_socket, data, strlen(data));
	//write(new_socket, data, strlen(data));
	close(new_socket);
	}
	close(create_socket);
	return 0;
	}
	void sig_handler(int signo)
	{
	close(glob_sock);
	exit(0);
	}
	const char * get_data(){
	return "Hel";
	}