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windows: add low level memory related syscalls

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Adds VirtualQuery, VirtualQueryEx, VirtualProtectEx, ReadProcessMemory, and WriteProcessMemory.

VirtualProtect already exists.

https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualquery
https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualqueryex
https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualprotectex
https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-readprocessmemory
https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-writeprocessmemory

Change-Id: I609a09641c502d8d3802036123e0784b7c76e99b
GitHub-Last-Rev: 368f8c7b620607aab2a1b8fefff656c38cb0dd6b
GitHub-Pull-Request: golang/sys#117
Reviewed-on: https://go-review.googlesource.com/c/sys/+/352249
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Weilu Jia
2021-10-07 07:53:35 +00:00
committed by Alex Brainman
parent 1a26e0398e
commit d3039528d8
4 changed files with 88 additions and 0 deletions
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windows/syscall_windows_test.go
+27
View File
@@ -777,3 +777,30 @@ func TestProcessModules(t *testing.T) {
t.Fatalf("module size does not match executable: %v != %v", moduleInfo.SizeOfImage, peSizeOfImage)
}
}
func TestReadWriteProcessMemory(t *testing.T) {
testBuffer := []byte{0xBA, 0xAD, 0xF0, 0x0D}
process, err := windows.GetCurrentProcess()
if err != nil {
t.Fatalf("unable to get current process: %v", err)
}
buffer := make([]byte, len(testBuffer))
err = windows.ReadProcessMemory(process, uintptr(unsafe.Pointer(&testBuffer[0])), &buffer[0], uintptr(len(buffer)), nil)
if err != nil {
t.Errorf("ReadProcessMemory failed: %v", err)
}
if !bytes.Equal(testBuffer, buffer) {
t.Errorf("bytes read does not match buffer: 0x%X != 0x%X", testBuffer, buffer)
}
buffer = []byte{0xDE, 0xAD, 0xBE, 0xEF}
err = windows.WriteProcessMemory(process, uintptr(unsafe.Pointer(&testBuffer[0])), &buffer[0], uintptr(len(buffer)), nil)
if err != nil {
t.Errorf("WriteProcessMemory failed: %v", err)
}
if !bytes.Equal(testBuffer, buffer) {
t.Errorf("bytes written does not match buffer: 0x%X != 0x%X", testBuffer, buffer)
}
}