ipc: cleanup openbsd support

We also add a wg_if.h in the fallback include path.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/src/uapi/openbsd/net/if_wg.h b/src/uapi/openbsd/net/if_wg.h
new file mode 100644
index 0000000..5b958f9
--- /dev/null
+++ b/src/uapi/openbsd/net/if_wg.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: ISC */
+/*
+ * Copyright (C) 2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * Copyright (c) 2020 Matt Dunwoodie <ncon@noconroy.net>
+ */
+
+#ifndef __IF_WG_H__
+#define __IF_WG_H__
+
+#include <sys/limits.h>
+#include <sys/errno.h>
+
+#include <net/if.h>
+#include <netinet/in.h>
+
+
+/*
+ * This is the public interface to the WireGuard network interface.
+ *
+ * It is designed to be used by tools such as ifconfig(8) and wg(8).
+ */
+
+#define WG_KEY_LEN 32
+
+#define SIOCSWG _IOWR('i', 210, struct wg_data_io)
+#define SIOCGWG _IOWR('i', 211, struct wg_data_io)
+
+struct wg_data_io {
+	char	 wgd_name[IFNAMSIZ];
+	size_t	 wgd_size;	/* size of the mem below */
+	void	*wgd_mem;	/* wg_interface_io{1},(wg_peer_io,wg_aip_io*)* */
+};
+
+#define WG_INTERFACE_HAS_PUBLIC		(1 << 0)
+#define WG_INTERFACE_HAS_PRIVATE	(1 << 1)
+#define WG_INTERFACE_HAS_PORT		(1 << 2)
+#define WG_INTERFACE_HAS_RTABLE		(1 << 3)
+#define WG_INTERFACE_REPLACE_PEERS	(1 << 4)
+
+struct wg_interface_io {
+	uint8_t			 i_flags;
+	struct wg_peer_io	*i_peers;
+
+	in_port_t		 i_port;
+	int			 i_rtable;
+	uint8_t			 i_public[WG_KEY_LEN];
+	uint8_t			 i_private[WG_KEY_LEN];
+};
+
+#define WG_PEER_HAS_PUBLIC		(1 << 0)
+#define WG_PEER_HAS_PSK			(1 << 1)
+#define WG_PEER_HAS_PKA			(1 << 2)
+#define WG_PEER_HAS_ENDPOINT		(1 << 3)
+#define WG_PEER_REPLACE_AIPS		(1 << 4)
+#define WG_PEER_REMOVE			(1 << 5)
+#define WG_PEER_UPDATE			(1 << 6)
+
+#define p_sa		p_endpoint.sa_sa
+#define p_sin		p_endpoint.sa_sin
+#define p_sin6		p_endpoint.sa_sin6
+
+struct wg_peer_io {
+	int			 p_flags;
+	struct wg_peer_io	*p_next;
+	struct wg_aip_io	*p_aips;
+
+	int			 p_protocol_version;
+	uint8_t			 p_public[WG_KEY_LEN];
+	uint8_t			 p_psk[WG_KEY_LEN];
+	uint16_t		 p_pka;
+	union wg_peer_endpoint {
+		struct sockaddr		sa_sa;
+		struct sockaddr_in	sa_sin;
+		struct sockaddr_in6	sa_sin6;
+	}			 p_endpoint;
+
+	uint64_t		 p_txbytes;
+	uint64_t		 p_rxbytes;
+	struct timespec		 p_last_handshake; /* nanotime */
+};
+
+#define a_af	a_data.d_af
+#define a_cidr	a_data.d_cidr
+#define a_addr	a_data.d_addr
+#define a_ipv4	a_addr.addr_ipv4
+#define a_ipv6	a_addr.addr_ipv6
+
+struct wg_aip_io {
+	struct wg_aip_io	*a_next;
+
+	struct wg_aip_data {
+		sa_family_t		 d_af;
+		int			 d_cidr;
+		union wg_aip_addr {
+			struct in_addr		addr_ipv4;
+			struct in6_addr		addr_ipv6;
+		}			 d_addr;
+	}			 a_data;
+};
+
+#endif /* __IF_WG_H__ */