simplify socks5 buffer setup code

This commit is contained in:
rofl0r 2015-06-13 19:02:11 +01:00
parent c7fa7bf86a
commit 49adb6ce29

View File

@ -313,20 +313,13 @@ static int tunnel_to(int sock, ip_type ip, unsigned short port, proxy_type pt, c
}
break;
case SOCKS5_TYPE:{
if(user) {
buff[0] = 5; //version
buff[1] = 2; //nomber of methods
buff[2] = 0; // no auth method
buff[3] = 2; /// auth method -> username / password
if(4 != write_n_bytes(sock, (char *) buff, 4))
goto err;
} else {
buff[0] = 5; //version
buff[1] = 1; //nomber of methods
buff[2] = 0; // no auth method
if(3 != write_n_bytes(sock, (char *) buff, 3))
goto err;
}
int n_methods = user ? 2 : 1;
buff[0] = 5; // version
buff[1] = n_methods ; // number of methods
buff[2] = 0; // no auth method
if(user) buff[3] = 2; /// auth method -> username / password
if(2+n_methods != write_n_bytes(sock, (char *) buff, 2+n_methods))
goto err;
if(2 != read_n_bytes(sock, (char *) buff, 2))
goto err;