From f129bdab552d21ae3cd77412342b94b5f23587b2 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Mon, 25 Sep 2017 04:22:09 +0200 Subject: netlink: switch from ioctl to netlink for configuration --- src/uapi.h | 166 ------------------------------------------------------------- 1 file changed, 166 deletions(-) delete mode 100644 src/uapi.h (limited to 'src/uapi.h') diff --git a/src/uapi.h b/src/uapi.h deleted file mode 100644 index e699025..0000000 --- a/src/uapi.h +++ /dev/null @@ -1,166 +0,0 @@ -/* Copyright (C) 2015-2017 Jason A. Donenfeld . All Rights Reserved. - * - * Userspace API for WireGuard - * --------------------------- - * - * ioctl(WG_GET_DEVICE, { .ifr_name: "wg0", .ifr_data: NULL }): - * - * Returns the number of bytes required to hold the peers of a device (`ret_peers_size`). - * - * ioctl(WG_GET_DEVICE, { .ifr_name: "wg0", .ifr_data: user_pointer }): - * - * Retrevies device info, peer info, and ipmask info. - * - * `user_pointer` must point to a region of memory of size `sizeof(struct wgdevice) + ret_peers_size` - * and containing the structure `struct wgdevice { .peers_size: ret_peers_size }`. - * - * Writes to `user_pointer` a succession of structs: - * - * struct wgdevice { .num_peers = 3 } - * struct wgpeer { .num_ipmasks = 4 } - * struct wgipmask - * struct wgipmask - * struct wgipmask - * struct wgipmask - * struct wgpeer { .num_ipmasks = 2 } - * struct wgipmask - * struct wgipmask - * struct wgpeer { .num_ipmasks = 0 } - * - * Returns 0 on success. Returns -EMSGSIZE if there is too much data for the size of passed-in - * memory, in which case, this should be recalculated using the call above. Returns -errno if - * another error occured. - * - * ioctl(WG_SET_DEVICE, { .ifr_name: "wg0", .ifr_data: user_pointer }): - * - * Sets device info, peer info, and ipmask info. - * - * `user_pointer` must point to a region of memory containing a succession of structs: - * - * struct wgdevice { .num_peers = 3 } - * struct wgpeer { .num_ipmasks = 4 } - * struct wgipmask - * struct wgipmask - * struct wgipmask - * struct wgipmask - * struct wgpeer { .num_ipmasks = 2 } - * struct wgipmask - * struct wgipmask - * struct wgpeer { .num_ipmasks = 0 } - * - * If `wgdevice->flags & WGDEVICE_REPLACE_PEERS` is true, removes all peers of device before adding new ones. - * If `wgpeer->flags & WGPEER_REMOVE_ME` is true, the peer identified by `wgpeer->public_key` is removed. - * If `wgpeer->flags & WGPEER_REPLACE_IPMASKS` is true, removes all ipmasks before adding new ones. - * If `wgdevice->private_key` is filled with zeros, no action is taken on the private key. - * If `wgdevice->preshared_key` is filled with zeros, no action is taken on the preshared key. - * If `wgdevice->flags & WGDEVICE_REMOVE_PRIVATE_KEY` is true, the private key is removed. - * If `wgdevice->flags & WGDEVICE_REMOVE_PRESHARED_KEY` is true, the preshared key is removed. - * - * Returns 0 on success, or -errno if an error occurred. - */ - - -#ifndef WGUAPI_H -#define WGUAPI_H - -#ifdef __linux__ -#include -#else -#include -typedef uint8_t __u8; -typedef uint16_t __u16; -typedef uint32_t __u32; -typedef uint64_t __u64; -typedef int32_t __s32; -#endif -#ifdef __KERNEL__ -#include -#include -#else -#include -#include -#include -#include -#endif - -#define WG_GET_DEVICE (SIOCDEVPRIVATE + 0) -#define WG_SET_DEVICE (SIOCDEVPRIVATE + 1) - -#define WG_KEY_LEN 32 - -struct wgipmask { - __s32 family; - union { - struct in_addr ip4; - struct in6_addr ip6; - }; - __u8 cidr; -}; - -enum { - WGPEER_REMOVE_ME = (1 << 0), - WGPEER_REPLACE_IPMASKS = (1 << 1), - WGPEER_REMOVE_PRESHARED_KEY = (1 << 2) -}; - -struct wgpeer { - __u8 public_key[WG_KEY_LEN]; /* Get/Set */ - __u8 preshared_key[WG_KEY_LEN]; /* Get/Set */ - __u32 flags; /* Set */ - - union { - struct sockaddr addr; - struct sockaddr_in addr4; - struct sockaddr_in6 addr6; - } endpoint; /* Get/Set */ - - struct timeval last_handshake_time; /* Get */ - __u64 rx_bytes, tx_bytes; /* Get */ - __u16 persistent_keepalive_interval; /* Get/Set -- 0 = off, 0xffff = unset */ - - __u16 num_ipmasks; /* Get/Set */ -}; - -enum { - WGDEVICE_REPLACE_PEERS = (1 << 0), - WGDEVICE_REMOVE_PRIVATE_KEY = (1 << 1), - WGDEVICE_REMOVE_FWMARK = (1 << 2) -}; - -enum { - WG_API_VERSION_MAGIC = 0xbeef0003 -}; - -struct wgdevice { - __u32 version_magic; /* Must be value of WG_API_VERSION_MAGIC */ - char interface[IFNAMSIZ]; /* Get */ - __u32 flags; /* Set */ - - __u8 public_key[WG_KEY_LEN]; /* Get */ - __u8 private_key[WG_KEY_LEN]; /* Get/Set */ - __u32 fwmark; /* Get/Set */ - __u16 port; /* Get/Set */ - - union { - __u32 num_peers; /* Get/Set */ - __u32 peers_size; /* Get */ - }; -}; - -/* These are simply for convenience in iterating. It allows you to write something like: - * - * for_each_wgpeer(device, peer, i) { - * for_each_wgipmask(peer, ipmask, j) { - * do_something_with_ipmask(ipmask); - * } - * } - */ -#define for_each_wgpeer(__dev, __peer, __i) for ((__i) = 0, (__peer) = (struct wgpeer *)((uint8_t *)(__dev) + sizeof(struct wgdevice)); \ - (__i) < (__dev)->num_peers; \ - ++(__i), (__peer) = (struct wgpeer *)((uint8_t *)(__peer) + sizeof(struct wgpeer) + (sizeof(struct wgipmask) * (__peer)->num_ipmasks))) - -#define for_each_wgipmask(__peer, __ipmask, __i) for ((__i) = 0, (__ipmask) = (struct wgipmask *)((uint8_t *)(__peer) + sizeof(struct wgpeer)); \ - (__i) < (__peer)->num_ipmasks; \ - ++(__i), (__ipmask) = (struct wgipmask *)((uint8_t *)(__ipmask) + sizeof(struct wgipmask))) - -#endif -- cgit v1.2.3-59-g8ed1b