WIP poc0

1 files changed, 29 insertions, 4 deletions

diff --git a/common.h b/common.h
index ca76dc4..c73350e 100644
--- a/common.h
+++ b/common.h
@@ -19,9 +19,14 @@
 
 #define RECV_BUFSIZE 8192
 
+#define MAX_RESPONSE_SIZE 8192
+
 static const char WG_DYNAMIC_ADDR[] = "fe80::";
 static const uint16_t WG_DYNAMIC_PORT = 1337;
 
+#define WG_DYNAMIC_LEASETIME 10 /* NOTE: 10s is good for testing purposes */
+
+/* TODO: Move client specific items to its own CLIENT_ITEMS */
 #define ITEMS                                                                  \
 	E(WGKEY_UNKNOWN, "") /* must be the first entry */                     \
 	/* CMD START */                                                        \
@@ -31,7 +36,10 @@ static const uint16_t WG_DYNAMIC_PORT = 1337;
 	E(WGKEY_INCOMPLETE, "")                                                \
 	E(WGKEY_IPV4, "ipv4")                                                  \
 	E(WGKEY_IPV6, "ipv6")                                                  \
-	E(WGKEY_LEASETIME, "leasetime")
+	E(WGKEY_LEASESTART, "leasestart")                                      \
+	E(WGKEY_LEASETIME, "leasetime")                                        \
+	E(WGKEY_ERRNO, "errno")                                                \
+	E(WGKEY_ERRMSG, "errmsg")
 
 #define E(x, y) x,
 enum wg_dynamic_key { ITEMS };
@@ -52,6 +60,8 @@ struct wg_dynamic_request {
 	enum wg_dynamic_key cmd;
 	uint32_t version;
 	wg_key pubkey;
+	unsigned char *buf;
+	size_t buflen;
 	struct wg_dynamic_attr *first, *last;
 };
 
@@ -64,11 +74,26 @@ struct wg_combined_ip {
 	uint8_t cidr;
 };
 
+struct wg_dynamic_lease {
+	struct wg_combined_ip ip4;
+	struct wg_combined_ip ip6;
+	uint32_t start;
+	uint32_t leasetime;
+	struct wg_dynamic_lease *next;
+};
+
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 void free_wg_dynamic_request(struct wg_dynamic_request *req);
 bool handle_request(int fd, struct wg_dynamic_request *req,
-		    void (*success)(int, struct wg_dynamic_request *req),
-		    void (*error)(int, int));
-
+		    bool (*success)(int, struct wg_dynamic_request *),
+		    bool (*error)(int, int));
+size_t send_message(int fd, unsigned char *buf, size_t *len);
+void send_later(struct wg_dynamic_request *req, unsigned char *const buf,
+		size_t msglen);
+size_t print_to_buf(char *buf, size_t bufsize, size_t len, char *fmt, ...);
+uint32_t current_time();
+void close_connection(int *fd, struct wg_dynamic_request *req);
+bool is_link_local(unsigned char *addr);
+void iface_get_all_addrs(uint8_t family, mnl_cb_t data_cb, void *cb_data);
 #endif