mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 14:06:38 +00:00
85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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package shell32
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import (
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"errors"
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"fmt"
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"syscall"
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"unsafe"
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"github.com/go-ole/go-ole"
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"github.com/prometheus-community/windows_exporter/internal/headers/propsys"
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"golang.org/x/sys/windows"
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)
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//nolint:gochecknoglobals
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var (
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modShell32 = windows.NewLazySystemDLL("shell32.dll")
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procSHCreateItemFromParsingName = modShell32.NewProc("SHCreateItemFromParsingName")
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iidIShellItem2 = ole.NewGUID("{7E9FB0D3-919F-4307-AB2E-9B1860310C93}")
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)
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func SHCreateItemFromParsingName(path string) (*IShellItem2, error) {
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ptrPath, err := windows.UTF16PtrFromString(path)
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if err != nil {
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return nil, fmt.Errorf("failed to convert path to UTF16: %w", err)
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}
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var result *IShellItem2
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hr, _, err := procSHCreateItemFromParsingName.Call(
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uintptr(unsafe.Pointer(ptrPath)),
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0,
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uintptr(unsafe.Pointer(iidIShellItem2)),
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uintptr(unsafe.Pointer(&result)),
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)
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if hr != 0 {
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return nil, fmt.Errorf("syscall failed: %w", err)
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}
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if result == nil {
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return nil, errors.New("SHCreateItemFromParsingName returned nil")
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}
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return result, nil
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}
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func (item *IShellItem2) GetProperty(key *propsys.PROPERTYKEY, v *ole.VARIANT) error {
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hr, _, err := syscall.SyscallN(
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item.lpVtbl.GetProperty,
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uintptr(unsafe.Pointer(item)),
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uintptr(unsafe.Pointer(key)),
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uintptr(unsafe.Pointer(v)),
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)
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if hr != 0 {
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return fmt.Errorf("GetProperty failed: %w", err)
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}
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return nil
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}
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func (item *IShellItem2) Release() {
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_, _, _ = syscall.SyscallN(
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item.lpVtbl.Release,
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uintptr(unsafe.Pointer(item)),
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)
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}
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