diff options
Diffstat (limited to 'tun/wintun/dll_fromrsrc_windows.go')
-rw-r--r-- | tun/wintun/dll_fromrsrc_windows.go | 61 |
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) -} |