Rename files to fit into the convention

1 files changed, 114 insertions, 0 deletions

diff --git a/src/vpn/gnunet-vpn-packet.h b/src/vpn/gnunet-vpn-packet.h
new file mode 100644
index 000000000..c19e7a101
--- /dev/null
+++ b/src/vpn/gnunet-vpn-packet.h
@@ -0,0 +1,114 @@
+#ifndef _GNTUN_PACKET_H_
+#define _GNTUN_PACKET_H_
+
+struct pkt_tun {
+        unsigned flags:16;
+        unsigned type:16;
+};
+
+struct ip6_hdr {
+        unsigned version:4;
+        unsigned tclass:8;
+        unsigned flowlbl:20;
+        unsigned paylgth:16;
+        unsigned nxthdr:8;
+        unsigned hoplmt:8;
+        unsigned char sadr[16];
+        unsigned char dadr[16];
+};
+
+struct tcp_pkt {
+        unsigned spt:16;
+        unsigned dpt:16;
+        unsigned seq:32;
+        unsigned ack:32;
+        unsigned off:4;
+        unsigned rsv:4;
+        unsigned flg:8;
+        unsigned wsz:16;
+        unsigned crc:16;
+        unsigned urg:16;
+        unsigned char data[1];
+};
+
+struct udp_pkt {
+        unsigned spt:16;
+        unsigned dpt:16;
+        unsigned len:16;
+        unsigned crc:16;
+};
+
+struct dns_pkt {
+        unsigned short id;
+
+        unsigned rd:1; // recursion desired (client -> server)
+        unsigned tc:1; // message is truncated
+        unsigned aa:1; // authoritative answer
+        unsigned op:4; // query:0, inverse q.:1, status: 2
+        unsigned qr:1; // query:0, response:1
+
+        unsigned rcode:4; // 0 No error
+                          // 1 Format error
+                          // 2 Server failure
+                          // 3 Name Error
+                          // 4 Not Implemented
+                          // 5 Refused
+        unsigned z:3;  // reserved
+        unsigned ra:1; // recursion available (server -> client)
+
+        unsigned short qdcount; // number of questions
+        unsigned short ancount; // number of answers
+        unsigned short nscount; // number of authority-records
+        unsigned short arcount; // number of additional records
+        unsigned char data[1];
+};
+
+struct dns_query {
+        unsigned char* name;
+        unsigned short qtype;
+        unsigned short qclass;
+};
+
+struct dns_record {
+        unsigned char* name;
+        unsigned short type;
+        unsigned short class;
+        unsigned int ttl;
+        unsigned short data_len;
+        unsigned char* data;
+};
+
+struct ip6_pkt {
+        struct pkt_tun tun;
+        struct ip6_hdr hdr;
+        unsigned char data[1];
+};
+
+struct ip6_tcp {
+        struct pkt_tun tun;
+        struct ip6_hdr hdr;
+        struct tcp_pkt data;
+};
+
+struct ip6_udp {
+        struct pkt_tun tun;
+        struct ip6_hdr hdr;
+        struct udp_pkt data;
+};
+
+void send_pkt(int fd, struct ip6_pkt* pkt);
+int recv_ipv6pkt(int fd, struct pkt_tun** pkt);
+int recv_pkt(int fd, struct pkt_tun** pkt);
+struct ip6_pkt* parse_ip6(struct pkt_tun* pkt);
+
+struct ip6_udp_dns {
+        struct ip6_udp hdr;
+        struct dns_pkt data;
+};
+
+struct ip6_tcp* parse_ip6_tcp(struct ip6_pkt*);
+struct ip6_udp* parse_ip6_udp(struct ip6_pkt*);
+
+short payload(struct ip6_hdr* pkt);
+
+#endif