Sending raw http headers - c

Question

I have the following raw HTTP request:
GET http://www.google.ie/ HTTP/1.1
Host: www.google.ie
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100101 Firefox/5.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encod...
I'm trying to send this from my localhost. Could someone point me in the right direction as to how I might do this in C or C++?
I'm currently looking at sockets, but it's not really working.
int sockfdi, portnoi, ni;
struct sockaddr_in serv_addri;
struct hostent *serveri;
portnoi =80;
sockfdi = socket(AF_INET, SOCK_STREAM, 0);
if (sockfdi < 0){
error("***ERROR opening socket");
}
serveri = gethostbyname("172.16.1.218");
if (serveri == NULL){
fprintf(stderr,"***ERROR, no such host\n");
exit(0);
}
bzero((char *) &serv_addri, sizeof(serv_addri));
serv_addri.sin_family = AF_INET;
bcopy((char *)serveri->h_addr, (char *)&serv_addri.sin_addr.s_addr, serveri->h_length);
serv_addri.sin_port = htons(portnoi);
if (connect(sockfdi,(struct sockaddr *) &serv_addri,sizeof(serv_addri)) < 0){
error("***ERROR connecting");
}
printf("Please enter the message: ");
bzero(buffer,256);

Answer 1

You could try using libcurl instead of sockets:
#include <stdio.h>
#include <curl/curl.h>
int main(void)
{
CURL *curl;
CURLcode res;
struct curl_slist *headers = NULL;
curl = curl_easy_init();
if(curl) {
headers = curl_slist_append(headers, "Host: www.google.ie");
headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100101 Firefox/5.0");
headers = curl_slist_append(headers, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
headers = curl_slist_append(headers, "Accept-Language: en-us,en;q=0.5");
/* Add more headers here */
curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.ie/");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
res = curl_easy_perform(curl);
/* always cleanup */
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
}
return 0;
}