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authorJason A. Donenfeld <Jason@zx2c4.com>2021-10-16 22:49:38 -0600
committerJason A. Donenfeld <Jason@zx2c4.com>2021-10-16 22:49:38 -0600
commitba9e364dab402cfc104eb00669f7fdfd9259559e (patch)
tree8da1081c32cdcf8a1592d6853b2dad4463cdd260 /tun/wintun/dll_fromrsrc_windows.go
parentdfd688b6aa7b044f7e7e0662288c66ee1d56e0e8 (diff)
wintun: remove memmod option for dll loading
Only wireguard-windows used this, and it's moving to wgnt exclusively. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'tun/wintun/dll_fromrsrc_windows.go')
-rw-r--r--tun/wintun/dll_fromrsrc_windows.go61
1 files changed, 0 insertions, 61 deletions
diff --git a/tun/wintun/dll_fromrsrc_windows.go b/tun/wintun/dll_fromrsrc_windows.go
deleted file mode 100644
index 0f43097..0000000
--- a/tun/wintun/dll_fromrsrc_windows.go
+++ /dev/null
@@ -1,61 +0,0 @@
-//go:build load_wintun_from_rsrc
-
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package wintun
-
-import (
- "fmt"
- "sync"
- "sync/atomic"
- "unsafe"
-
- "golang.org/x/sys/windows"
-
- "golang.zx2c4.com/wireguard/tun/wintun/memmod"
-)
-
-type lazyDLL struct {
- Name string
- mu sync.Mutex
- module *memmod.Module
- onLoad func(d *lazyDLL)
-}
-
-func (d *lazyDLL) Load() error {
- if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&d.module))) != nil {
- return nil
- }
- d.mu.Lock()
- defer d.mu.Unlock()
- if d.module != nil {
- return nil
- }
-
- const ourModule windows.Handle = 0
- resInfo, err := windows.FindResource(ourModule, d.Name, windows.RT_RCDATA)
- if err != nil {
- return fmt.Errorf("Unable to find \"%v\" RCDATA resource: %w", d.Name, err)
- }
- data, err := windows.LoadResourceData(ourModule, resInfo)
- if err != nil {
- return fmt.Errorf("Unable to load resource: %w", err)
- }
- module, err := memmod.LoadLibrary(data)
- if err != nil {
- return fmt.Errorf("Unable to load library: %w", err)
- }
-
- atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&d.module)), unsafe.Pointer(module))
- if d.onLoad != nil {
- d.onLoad(d)
- }
- return nil
-}
-
-func (p *lazyProc) nameToAddr() (uintptr, error) {
- return p.dll.module.ProcAddressByName(p.Name)
-}