ObjFW  Diff

 */

#include "config.h"

#include <errno.h>

#import "OFTCPSocket+SOCKS5.h"
#import "OFDataArray.h"
#import "OFData.h"

#import "OFConnectionFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

#import "socket_helpers.h"

@implementation OFTCPSocket (SOCKS5)
- (void)OF_SOCKS5ConnectToHost: (OFString *)host
			  port: (uint16_t)port
{
	char request[] = { 5, 1, 0, 3 };
	char reply[256];
	void *pool;
	OFDataArray *connectRequest;
	OFMutableData *connectRequest;

	if ([host UTF8StringLength] > 255)
		@throw [OFOutOfRangeException exception];

	/* 5 1 0 -> no authentication */
	send_or_exception(self, _socket, request, 3);

	recv_exact(self, _socket, reply, 2);

	if (reply[0] != 5 || reply[1] != 0) {
		[self close];
		@throw [OFConnectionFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: EPROTONOSUPPORT];
	}

	/* CONNECT request */
	pool = objc_autoreleasePoolPush();
	connectRequest = [OFDataArray dataArray];
	connectRequest = [OFMutableData data];

	[connectRequest addItems: request
			   count: 4];

	request[0] = [host UTF8StringLength];
	[connectRequest addItem: request];
	[connectRequest addItems: [host UTF8String]