C/Visual C - Hacer un GET a un HTTPS en C

#include <sys/types.h>

#include <sys/socket.h>

#include <netdb.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>

int main(void) {

    //Stream sockets and rcv()

    struct addrinfo hints, *res;

    int sockfd;

    char buf[2056];

    int byte_count;

    //get host info, make socket and connect it

    memset(&hints, 0,sizeof hints);

    hints.ai_family=AF_UNSPEC;

    hints.ai_socktype = SOCK_STREAM;

    getaddrinfo("ladireccionX.com","80", &hints, &res);

    sockfd = socket(res->ai_family,res->ai_socktype,res->ai_protocol);

    printf("Connecting...\n");

    connect(sockfd,res->ai_addr,res->ai_addrlen);

    printf("Connected!\n");

    char *header = "GET /xx/xxxx HTTP/1.1\r\nHost: ladireccionX.com\r\nUser-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729)\r\nConnection: keep-alive\r\n\r\n";

    send(sockfd,header,strlen(header),0);

    printf("GET Sent...\n");

    //all right ! now that we're connected, we can receive some data!

    byte_count = recv(sockfd,buf,sizeof buf,0);

    printf("recv()'d %d bytes of data in buf\n",byte_count);

    printf("%s",buf);

    return 0;

}

/*

 * implementación de sockets para programa cliente

 *

 * */

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

 #include <unistd.h>

 #include <sys/socket.h>

 #include <netinet/in.h>

 #include <arpa/inet.h>

 #include <netdb.h>

int main()

{

	struct sockaddr_in client; // struct para socket de cliente

	struct hostent *server; // puntero para almacenar los datos del server

	int port, sockcfd; // enteros para conexion

	char buffer[100]; // buffer para mensaje

	server = gethostbyname("localhost"); //obtener ip del server

	if(server == NULL){

		printf("Error de host\n");

		return 1;

	}

	// rellenar la estructura para connect

	client.sin_family = AF_INET;

	client.sin_addr = *((struct in_addr *)server->h_addr);

	client.sin_port = htons(1080);

	// abrir el socket cliente

	sockcfd = socket(AF_INET, SOCK_STREAM, 0);

	// conectarse al host remoto

	if(connect(sockcfd, (struct sockaddr *) &client, sizeof(client)) < 0){

		perror("Error conectando con el host destino\n");

		close(sockcfd);

		return 1;

	}

	printf("Conectando con %s %d\n", inet_ntoa(client.sin_addr), htons(client.sin_port));

	printf("Escribe un mensaje:\n");

	fgets(buffer, 100, stdin);

	send(sockcfd, buffer, 100, 0);

	bzero(buffer, 100);

	recv(sockcfd, buffer, 100, 0);

	printf("%s", buffer);

	close(sockcfd);

	return 0;

}

/*

 *  implementacion de sockets para el programa servidor

 *

 * */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <sys/socket.h>

#include <arpa/inet.h>

#include <netinet/in.h>

#include <netdb.h>

int main()

{

	struct sockaddr_in server, client;

	int socksfd, sockcfd, port;

	socklen_t lenc = sizeof(client);

	char buffer[100];

	// rellenar la estructua para bind

	server.sin_family = AF_INET;

	server.sin_addr.s_addr = INADDR_ANY;

	server.sin_port = htons(1080);

	// abrir el socket para server

	socksfd = socket(AF_INET, SOCK_STREAM, 0); // tcp

	/********** bind *******************/

	if(bind(socksfd, (struct sockaddr *)&server, sizeof(server)) < 0){

		printf("Error al asociar el puerto a la conexión\n");

		close(socksfd);

	}

	/********* listen *****************/

	listen(socksfd, 2);

	printf("Escuchando en el puerto %d\n", ntohs(server.sin_port));

	/********* accept ****************/

	sockcfd = accept(socksfd, (struct sockaddr *)&client, &lenc);

	if(sockcfd < 0){

		perror("Error al aceptar conexión\n");

		close(socksfd);

		return 1;

	}

	printf("Conectando con ip: %s puerto: %d\n", inet_ntoa(client.sin_addr), client.sin_port);

	/********* recibir datos del clinete *********/

	if(recv(sockcfd, buffer, 100, 0) < 0){

		perror("Error\n");

		close(socksfd);

		return 1;

	}

	else{

		printf("%s", buffer);

		bzero((char *)&buffer, sizeof(buffer));

		send(sockcfd, buffer, 100, 0);

	}

	close(socksfd);

	return 0;

}