-typedef struct add_host_t {
- unsigned char type;
- ip_t real_ip;
- ip_t vpn_ip;
- ip_t vpn_mask;
- unsigned short portnr;
-} add_host_t;
-
-typedef struct termreq_t {
- unsigned char type;
- ip_t vpn_ip;
-} termreq_t;
-
-typedef struct basic_info_t {
- unsigned char type;
- unsigned char protocol;
- unsigned short portnr;
- ip_t vpn_ip;
- ip_t vpn_mask;
-} basic_info_t;
-
-typedef struct calculate_t {
- unsigned char type;
- unsigned short len;
- char key;
-} calculate_t;
-
-typedef struct public_key_t {
- unsigned char type;
- unsigned short len;
- char key;
-} public_key_t;
-
-typedef struct key_req_t {
- unsigned char type;
- ip_t from;
- ip_t to;
- time_t expiry;
- short int len; /* 0 if requesting */
- char key;
-} key_req_t;
-
-typedef struct key_changed_t {
- unsigned char type;
- ip_t from;
-} key_changed_t;
-
-typedef struct del_host_t {
- unsigned char type;
- ip_t vpn_ip;
-} del_host_t;
-
-extern int (*request_handlers[256])(conn_list_t*, unsigned char*, int);
-
-extern int send_ping(conn_list_t*);
-extern int send_basic_info(conn_list_t *);
-extern int send_termreq(conn_list_t *);
-extern int send_timeout(conn_list_t *);
-extern int send_key_request(ip_t);
-extern void send_key_changed2(void);
+typedef struct past_request_t {
+ char *request;
+ time_t firstseen;
+} past_request_t;
+
+/* Maximum size of strings in a request */
+
+#define MAX_STRING_SIZE 2048
+#define MAX_STRING "%2048s"
+
+/* Basic functions */
+
+extern int send_request(connection_t*, const char*, ...);
+extern int receive_request(connection_t *);
+extern int check_id(char *);
+
+extern void init_requests(void);
+extern void exit_requests(void);
+extern int seen_request(char *);
+extern void age_past_requests(void);
+
+/* Requests */
+
+extern int send_id(connection_t *);
+extern int send_metakey(connection_t *);
+extern int send_challenge(connection_t *);
+extern int send_chal_reply(connection_t *);
+extern int send_ack(connection_t *);
+extern int send_status(connection_t *, int, char *);
+extern int send_error(connection_t *, int, char *);
+extern int send_termreq(connection_t *);
+extern int send_ping(connection_t *);
+extern int send_pong(connection_t *);
+// extern int send_add_node(connection_t *, node_t *);
+// extern int send_del_node(connection_t *, node_t *);
+extern int send_add_subnet(connection_t *, subnet_t *);
+extern int send_del_subnet(connection_t *, subnet_t *);
+extern int send_add_edge(connection_t *, edge_t *);
+extern int send_del_edge(connection_t *, edge_t *);
+extern int send_key_changed(connection_t *, node_t *);
+extern int send_req_key(connection_t *, node_t *, node_t *);
+extern int send_ans_key(connection_t *, node_t *, node_t *);
+extern int send_tcppacket(connection_t *, vpn_packet_t *);
+
+/* Request handlers */
+
+extern int (*request_handlers[])(connection_t *);
+
+extern int id_h(connection_t *);
+extern int metakey_h(connection_t *);
+extern int challenge_h(connection_t *);
+extern int chal_reply_h(connection_t *);
+extern int ack_h(connection_t *);
+extern int status_h(connection_t *);
+extern int error_h(connection_t *);
+extern int termreq_h(connection_t *);
+extern int ping_h(connection_t *);
+extern int pong_h(connection_t *);
+// extern int add_node_h(connection_t *);
+// extern int del_node_h(connection_t *);
+extern int add_subnet_h(connection_t *);
+extern int del_subnet_h(connection_t *);
+extern int add_edge_h(connection_t *);
+extern int del_edge_h(connection_t *);
+extern int key_changed_h(connection_t *);
+extern int req_key_h(connection_t *);
+extern int ans_key_h(connection_t *);
+extern int tcppacket_h(connection_t *);