Contents

/*
 * rubyipq v0.1.0
 * Ruby bindings for Netfilter's libipq.
 *
 * Copyright (c) 2005 Leonardo Eloy
 * Author: Leonardo Eloy <[e-mail]/[e-mail]>
 * Project Homepage: http://rubyipq.rubyforge.org
 *
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "rubyipq.h"

/* UDP header methods */
VALUE udpheader_new(VALUE class) {
        last_udp_h = get_last_udp_h();

        return class;
}

VALUE udpheader_init(VALUE class) {
        return class;
}

VALUE udpheader_source(VALUE class) {
        return INT2NUM(ntohs((__u16)get_last_udp_h()->source));
}

VALUE udpheader_dest(VALUE class) {
        return INT2NUM(ntohs((__u16)get_last_udp_h()->dest));
}

VALUE udpheader_len(VALUE class) {
        return INT2NUM(get_last_udp_h()->len);
}

VALUE udpheader_check(VALUE class) {
        return INT2NUM(get_last_udp_h()->check);
}

VALUE udpheader_get_data(VALUE class) {
        /* UDP header has always 8 bytes in size */

        if ((unsigned int)ntohs(get_last_ip_h()->tot_len) - (get_last_ip_h()->ihl<<2) + 8) {
                char *str;
                str = (get_last_packet_msg()->payload + (get_last_ip_h()->ihl<<2) + 8);

                return rb_str_new2(str);
        }

        return Qnil;
}

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rubyipq-0.1.0-i686-linux	rubyipq_udpheader.c