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75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package db
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import (
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"debug/pe"
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"fmt"
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"runtime"
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"strings"
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)
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const (
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peMachineI386 uint16 = 0x014c
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peMachineAmd64 uint16 = 0x8664
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peMachineArm64 uint16 = 0xaa64
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)
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func windowsMachineLabel(machine uint16) string {
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switch machine {
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case peMachineI386:
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return "windows-386"
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case peMachineAmd64:
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return "windows-amd64"
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case peMachineArm64:
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return "windows-arm64"
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default:
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return fmt.Sprintf("windows-unknown(0x%04x)", machine)
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}
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}
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func expectedWindowsMachineForGoArch(goarch string) (uint16, string, bool) {
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switch strings.ToLower(strings.TrimSpace(goarch)) {
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case "386":
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return peMachineI386, "windows-386", true
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case "amd64":
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return peMachineAmd64, "windows-amd64", true
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case "arm64":
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return peMachineArm64, "windows-arm64", true
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default:
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return 0, "", false
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}
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}
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func validateWindowsExecutableMachine(pathText string) error {
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file, err := pe.Open(pathText)
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if err != nil {
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return fmt.Errorf("无法识别为有效的 Windows 可执行文件：%w", err)
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}
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defer file.Close()
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expectedMachine, expectedLabel, ok := expectedWindowsMachineForGoArch(runtime.GOARCH)
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if !ok {
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return nil
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}
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actualMachine := file.FileHeader.Machine
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if actualMachine != expectedMachine {
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return fmt.Errorf("可执行文件架构不兼容（文件=%s，当前进程=%s）", windowsMachineLabel(actualMachine), expectedLabel)
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}
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return nil
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}
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// ValidateOptionalDriverAgentExecutable 校验可选驱动代理二进制是否可在当前进程中执行。
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// 当前主要用于 Windows 下的 PE 架构兼容性校验，避免升级后复用到错误架构的旧代理。
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func ValidateOptionalDriverAgentExecutable(driverType string, executablePath string) error {
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pathText := strings.TrimSpace(executablePath)
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if pathText == "" {
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return fmt.Errorf("%s 驱动代理路径为空", driverDisplayName(driverType))
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}
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if runtime.GOOS != "windows" {
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return nil
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}
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if err := validateWindowsExecutableMachine(pathText); err != nil {
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return fmt.Errorf("%s 驱动代理不可用：%w", driverDisplayName(driverType), err)
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}
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return nil
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}
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