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Diffstat (limited to '')
-rw-r--r-- | wireguard-go-bridge/src/tun/tun_ios.go | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/wireguard-go-bridge/src/tun/tun_ios.go b/wireguard-go-bridge/src/tun/tun_ios.go deleted file mode 100644 index cafe33b..0000000 --- a/wireguard-go-bridge/src/tun/tun_ios.go +++ /dev/null @@ -1,90 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 - * - * Copyright (C) 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. - */ - -package tun - -// #include <sys/types.h> -// static ssize_t callFnWithCtx(const void *func, const void *ctx, const void *buffer, size_t len) -// { -// return ((ssize_t(*)(const void *, const unsigned char *, size_t))func)(ctx, buffer, len); -// } -import "C" - -import ( - "os" - "syscall" - "unsafe" -) - -type nativeTun struct { - events chan TUNEvent - mtu int - readFn unsafe.Pointer - writeFn unsafe.Pointer - ctx unsafe.Pointer -} - -func CreateTUN(mtu uint16, readFn unsafe.Pointer, writeFn unsafe.Pointer, ctx unsafe.Pointer) TUNDevice { - if mtu == 0 { - /* 0 means automatic MTU, which iOS makes outerMTU-80-15. The 80 is for - * WireGuard and the 15 ensures our padding will work. Therefore, it's - * safe to have this code assume a massive MTU. - */ - mtu = ^mtu - } - tun := &nativeTun{ - events: make(chan TUNEvent, 10), - mtu: int(mtu), - readFn: readFn, - writeFn: writeFn, - ctx: ctx, - } - tun.events <- TUNEventUp - return tun -} - -func (tun *nativeTun) Name() (string, error) { - return "tun", nil -} - -func (tun *nativeTun) File() *os.File { - return nil -} - -func (tun *nativeTun) Events() chan TUNEvent { - return tun.events -} - -func (tun *nativeTun) Read(buff []byte, offset int) (int, error) { - ret := C.callFnWithCtx(tun.readFn, tun.ctx, unsafe.Pointer(&buff[offset]), C.size_t(len(buff) - offset)) - if ret < 0 { - return 0, syscall.Errno(-ret) - } - return int(ret), nil -} - -func (tun *nativeTun) Write(buff []byte, offset int) (int, error) { - ret := C.callFnWithCtx(tun.writeFn, tun.ctx, unsafe.Pointer(&buff[offset]), C.size_t(len(buff) - offset)) - if ret < 0 { - return 0, syscall.Errno(-ret) - } - return int(ret), nil -} - -func (tun *nativeTun) Close() error { - if tun.events != nil { - close(tun.events) - } - return nil -} - -func (tun *nativeTun) setMTU(n int) error { - tun.mtu = n - return nil -} - -func (tun *nativeTun) MTU() (int, error) { - return tun.mtu, nil -} |