GetRequest, Objective-C

GetRequest

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//gcc 5.0.4
#import <Foundation/Foundation.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string.h>
#define HTTP 80
int main(void)
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    char host[256];
    gethostname(host, sizeof(host));
    NSLog(@"Host Name: %s\n", host);
    struct addrinfo hints, *results, *t;
    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;
    getaddrinfo(host, NULL, &hints, &results);
    for (t= results; t; t = t->ai_next)
    {
        struct sockaddr_in *addr = (struct sockaddr_in*)t->ai_addr;
        char ip[INET_ADDRSTRLEN];
        inet_ntop(t->ai_family, &(addr->sin_addr), ip, sizeof(ip));
        NSLog(@"%s\n", ip);
        int sfd = socket(t->ai_family, t->ai_socktype, t->ai_protocol);
        if (sfd == -1)
        {
            NSLog(@"Error\n");
        }
        struct sockaddr_in s_addr;
        memset(&s_addr, 0, sizeof(s_addr));
        s_addr.sin_family = addr->sin_family;
        s_addr.sin_addr = addr->sin_addr;
        s_addr.sin_port = htons(HTTP);
        
        if (connect(sfd, (struct sockaddr*)&s_addr, sizeof(s_addr)) == -1)
        {
            NSLog(@"C Error\n");
        }
        char req[1024];
        sprintf(req, "GET /Default.aspx HTTP 1.0\r\nHost: %s\r\n\r\n", host);
        send(sfd, req, strlen(req), 0);
        char data[2056];
        recv(sfd, data, sizeof(data), 0);
        NSLog(@"%s\n", data);
    }
    [pool drain];
    return 0;
}

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Compilation time: 0.32 sec, absolute running time: 0.15 sec, cpu time: 0.03 sec, memory peak: 9 Mb, absolute service time: 0,48 sec

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Error(s):

2017-06-15 01:12:09.506 a.out[23253] Host Name: lvps83-169-3-96.dedicated.hosteurope.de
2017-06-15 01:12:09.507 a.out[23253] 83.169.3.96
2017-06-15 01:12:09.512 a.out[23253] HTTP/1.1 200 OK
Date: Wed, 14 Jun 2017 23:12:09 GMT
Server: Apache/2.4.18 (Ubuntu)
X-AspNet-Version: 4.0.30319
Content-Length: 1312
Cache-Control: private
Set-Cookie: ASP.NET_SessionId=C1E728DBFDD692FCF1B00F47; path=/
Vary: Accept-Encoding
Connection: close
Content-Type: text/html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head><title>
	Default
</title></head>
<body>
	<form method="post" action="Default.aspx" id="form1">

<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACp/adegluaR3FThWXHhuTIB/QDiAy29FDgqSF6D3Erx" />
</div>

		<input type="submit" name="button1" value="Click me!" id="button1" />
	
<div class="aspNetHidden">
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAEAAAD/////AQAAAAAAAAAPAQAAAAEAAAAIHzS/5wsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIWhD2RcI4yUWoY7KfsECxXy1VtpjXrnfZLkcKaJeeP8" />
</div>
</form>
</body>
</html>

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