windows: add resource extraction functions
These functions make it possible to read executable resource information
at runtime.
Change-Id: I00f260199ecda8daeb3417eaa9c02198663063b7
Reviewed-on: https://go-review.googlesource.com/c/sys/+/298173
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go
index d41985d..771c804 100644
--- a/windows/zsyscall_windows.go
+++ b/windows/zsyscall_windows.go
@@ -205,6 +205,7 @@
procFindNextFileW = modkernel32.NewProc("FindNextFileW")
procFindNextVolumeMountPointW = modkernel32.NewProc("FindNextVolumeMountPointW")
procFindNextVolumeW = modkernel32.NewProc("FindNextVolumeW")
+ procFindResourceW = modkernel32.NewProc("FindResourceW")
procFindVolumeClose = modkernel32.NewProc("FindVolumeClose")
procFindVolumeMountPointClose = modkernel32.NewProc("FindVolumeMountPointClose")
procFlushFileBuffers = modkernel32.NewProc("FlushFileBuffers")
@@ -277,9 +278,11 @@
procIsWow64Process2 = modkernel32.NewProc("IsWow64Process2")
procLoadLibraryExW = modkernel32.NewProc("LoadLibraryExW")
procLoadLibraryW = modkernel32.NewProc("LoadLibraryW")
+ procLoadResource = modkernel32.NewProc("LoadResource")
procLocalAlloc = modkernel32.NewProc("LocalAlloc")
procLocalFree = modkernel32.NewProc("LocalFree")
procLockFileEx = modkernel32.NewProc("LockFileEx")
+ procLockResource = modkernel32.NewProc("LockResource")
procMapViewOfFile = modkernel32.NewProc("MapViewOfFile")
procMoveFileExW = modkernel32.NewProc("MoveFileExW")
procMoveFileW = modkernel32.NewProc("MoveFileW")
@@ -326,6 +329,7 @@
procSetStdHandle = modkernel32.NewProc("SetStdHandle")
procSetVolumeLabelW = modkernel32.NewProc("SetVolumeLabelW")
procSetVolumeMountPointW = modkernel32.NewProc("SetVolumeMountPointW")
+ procSizeofResource = modkernel32.NewProc("SizeofResource")
procSleepEx = modkernel32.NewProc("SleepEx")
procTerminateJobObject = modkernel32.NewProc("TerminateJobObject")
procTerminateProcess = modkernel32.NewProc("TerminateProcess")
@@ -1747,6 +1751,15 @@
return
}
+func findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) {
+ r0, _, e1 := syscall.Syscall(procFindResourceW.Addr(), 3, uintptr(module), uintptr(name), uintptr(resType))
+ resInfo = Handle(r0)
+ if resInfo == 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
func FindVolumeClose(findVolume Handle) (err error) {
r1, _, e1 := syscall.Syscall(procFindVolumeClose.Addr(), 1, uintptr(findVolume), 0, 0)
if r1 == 0 {
@@ -2371,6 +2384,15 @@
return
}
+func LoadResource(module Handle, resInfo Handle) (resData Handle, err error) {
+ r0, _, e1 := syscall.Syscall(procLoadResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
+ resData = Handle(r0)
+ if resData == 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
func LocalAlloc(flags uint32, length uint32) (ptr uintptr, err error) {
r0, _, e1 := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(flags), uintptr(length), 0)
ptr = uintptr(r0)
@@ -2397,6 +2419,15 @@
return
}
+func LockResource(resData Handle) (addr uintptr, err error) {
+ r0, _, e1 := syscall.Syscall(procLockResource.Addr(), 1, uintptr(resData), 0, 0)
+ addr = uintptr(r0)
+ if addr == 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
func MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error) {
r0, _, e1 := syscall.Syscall6(procMapViewOfFile.Addr(), 5, uintptr(handle), uintptr(access), uintptr(offsetHigh), uintptr(offsetLow), uintptr(length), 0)
addr = uintptr(r0)
@@ -2810,6 +2841,15 @@
return
}
+func SizeofResource(module Handle, resInfo Handle) (size uint32, err error) {
+ r0, _, e1 := syscall.Syscall(procSizeofResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
+ size = uint32(r0)
+ if size == 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
func SleepEx(milliseconds uint32, alertable bool) (ret uint32) {
var _p0 uint32
if alertable {
