+typedef struct listen_socket_t {
+ int tcp;
+ int udp;
+ sockaddr_t sa;
+} listen_socket_t;
+
+#include "conf.h"
+#include "list.h"
+
+typedef struct outgoing_t {
+ char *name;
+ int timeout;
+ struct config_t *cfg;
+ struct addrinfo *ai;
+ struct addrinfo *aip;
+ struct event *event;
+} outgoing_t;
+
+extern list_t *outgoing_list;
+
+extern int maxoutbufsize;
+extern int seconds_till_retry;
+extern int addressfamily;
+extern unsigned replaywin;
+extern bool localdiscovery;
+
+extern listen_socket_t listen_socket[MAXSOCKETS];
+extern int listen_sockets;
+extern int keyexpires;
+extern int keylifetime;
+extern int udp_rcvbuf;
+extern int udp_sndbuf;
+extern bool do_prune;
+extern bool do_purge;
+extern char *myport;
+extern time_t now;
+extern int contradicting_add_edge;
+extern int contradicting_del_edge;
+
+extern char *proxyhost;
+extern char *proxyport;
+extern char *proxyuser;
+extern char *proxypass;
+typedef enum proxytype_t {
+ PROXY_NONE = 0,
+ PROXY_SOCKS4,
+ PROXY_SOCKS4A,
+ PROXY_SOCKS5,
+ PROXY_HTTP,
+ PROXY_EXEC,
+} proxytype_t;
+extern proxytype_t proxytype;
+
+extern volatile bool running;
+
+/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+#include "connection.h"
+#include "node.h"
+
+extern void retry_outgoing(outgoing_t *);
+extern void handle_incoming_vpn_data(int);
+extern void finish_connecting(struct connection_t *);
+extern void do_outgoing_connection(struct connection_t *);
+extern bool handle_new_meta_connection(int);
+extern int setup_listen_socket(const sockaddr_t *);
+extern int setup_vpn_in_socket(const sockaddr_t *);
+extern void send_packet(const struct node_t *, vpn_packet_t *);
+extern void receive_tcppacket(struct connection_t *, const char *, int);
+extern void broadcast_packet(const struct node_t *, vpn_packet_t *);
+extern char *get_name(void);
+extern bool setup_network(void);
+extern void setup_outgoing_connection(struct outgoing_t *);
+extern void try_outgoing_connections(void);