-typedef struct enc_key_t {
- int length;
- char *key;
- time_t expiry;
-} enc_key_t;
-
-typedef struct conn_list_t {
- ip_t vpn_ip; /* his vpn ip */
- ip_t vpn_mask; /* his vpn network address */
- ip_t real_ip; /* his real (internet) ip */
- char *real_hostname; /* the hostname of its real ip */
- char *vpn_hostname; /* the hostname of the vpn ip */
- short unsigned int port; /* his portnumber */
- int flags; /* his flags */
- int socket; /* our udp vpn socket */
- int meta_socket; /* our tcp meta socket */
- int protocol_version; /* used protocol */
- status_bits_t status; /* status info */
- passphrase_t *pp; /* encoded passphrase */
- packet_queue_t *sq; /* pending outgoing packets */
- packet_queue_t *rq; /* pending incoming packets (they have no
- valid key to be decrypted with) */
- enc_key_t *public_key; /* the other party's public key */
- enc_key_t *key; /* encrypt with this key */
- char buffer[MAXBUFSIZE+1]; /* metadata input buffer */
- int buflen; /* bytes read into buffer */
- int reqlen; /* length of first request in buffer */
- time_t last_ping_time; /* last time we saw some activity from the other end */
- int want_ping; /* 0 if there's no need to check for activity */
- struct conn_list_t *nexthop; /* nearest meta-hop in this direction */
- struct conn_list_t *next; /* after all, it's a list of connections */
-} conn_list_t;
-
-extern int tap_fd;
-
-extern int total_tap_in;
-extern int total_tap_out;
-extern int total_socket_in;
-extern int total_socket_out;
-
-extern conn_list_t *conn_list;
-extern conn_list_t *myself;
-
-extern int send_packet(ip_t, vpn_packet_t *);
+extern int maxtimeout;
+extern int seconds_till_retry;
+
+extern char *request_name[256];
+extern char *status_text[10];
+
+#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+
+extern void send_packet(struct node_t *, vpn_packet_t *);
+extern void receive_packet(struct node_t *, vpn_packet_t *);
+extern void receive_tcppacket(struct connection_t *, char *, int);
+extern void broadcast_packet(struct node_t *, vpn_packet_t *);