Added IPv4-Packet-Structure

1 files changed, 40 insertions, 0 deletions

diff --git a/src/vpn/gnunet-vpn-packet.h b/src/vpn/gnunet-vpn-packet.h
index fc998ef2c..7bda6ab84 100644
--- 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