Added IPv4-Packet-Structure

diff --git a/src/vpn/gnunet-vpn-packet.h b/src/vpn/gnunet-vpn-packet.h
index fc998ef2c6d524b89c7b01435b0c46a9073ac6d1..7bda6ab8497cc2f28d71252450c373270a5ad1d3 100644 (file)
--- a/src/vpn/gnunet-vpn-packet.h
+++ b/src/vpn/gnunet-vpn-packet.h
@@ -21,6 +21,24 @@ struct ip6_hdr {
        unsigned char dadr[16];
 };
 
+struct ip_hdr {
+       unsigned version:4 GNUNET_PACKED;
+       unsigned hdr_lngth:4 GNUNET_PACKED;
+       unsigned diff_serv:8 GNUNET_PACKED;
+       unsigned tot_lngth:16 GNUNET_PACKED;
+
+       unsigned ident:16 GNUNET_PACKED;
+       unsigned flags:3 GNUNET_PACKED;
+       unsigned frag_off:13 GNUNET_PACKED;
+
+       unsigned ttl:8 GNUNET_PACKED;
+       unsigned proto:8 GNUNET_PACKED;
+       unsigned chks:16 GNUNET_PACKED;
+
+       unsigned sadr:32 GNUNET_PACKED;
+       unsigned dadr:32 GNUNET_PACKED;
+};
+
 struct tcp_pkt {
        unsigned spt:16 GNUNET_PACKED;
        unsigned dpt:16 GNUNET_PACKED;
@@ -114,4 +132,26 @@ struct ip6_udp_dns {
        struct dns_pkt data;
 };
 
+struct ip_pkt {
+       struct GNUNET_MessageHeader shdr;
+       struct pkt_tun tun;
+       struct ip_hdr ip_hdr;
+       unsigned char data[1];
+};
+
+struct ip_udp {
+       struct GNUNET_MessageHeader shdr;
+       struct pkt_tun tun;
+       struct ip_hdr ip_hdr;
+       struct udp_pkt udp_hdr;
+       unsigned char data[1];
+};
+
+struct ip_udp_dns {
+       struct GNUNET_MessageHeader shdr;
+       struct pkt_tun tun;
+       struct ip_hdr ip_hdr;
+       struct udp_pkt udp_hdr;
+       struct dns_pkt data;
+};
 #endif