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fix: the right way to get process in win32 format (#909)

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bobo liu 2023-12-14 10:19:19 +08:00 committed by GitHub
parent 7ee6809257
commit 0ab73a9beb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 33 deletions
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34
component/process/process_windows.go
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@ -3,8 +3,6 @@ package process
import (
"fmt"
"net/netip"
"path/filepath"
"strings"
"sync"
"syscall"
"unsafe"
@ -103,10 +101,6 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string
return 0, "", err
}
pp, err := getExecPathFromPID(pid)
if err != nil {
return 0, "", err
}
pp, err = convertDOSPath(pp)
return 0, pp, err
}
@ -224,7 +218,7 @@ func getExecPathFromPID(pid uint32) (string, error) {
r1, _, err := syscall.SyscallN(
queryProcName,
uintptr(h),
uintptr(1),
uintptr(0),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&size)),
)
@ -233,29 +227,3 @@ func getExecPathFromPID(pid uint32) (string, error) {
}
return syscall.UTF16ToString(buf[:size]), nil
}
// modify from https://github.com/shirou/gopsutil/blob/9deadc99147d80f732af3a59e624af73d0143891/internal/common/common_windows.go#L220-L241
// Convert paths using native DOS format like:
//
// "\Device\HarddiskVolume1\Windows\systemew\file.txt"
//
// into:
//
// "C:\Windows\systemew\file.txt"
func convertDOSPath(p string) (string, error) {
rawDrive := strings.Join(strings.Split(p, `\`)[:3], `\`)
for d := 'A'; d <= 'Z'; d++ {
szDeviceName := string(d) + ":"
deviceName, err := syscall.UTF16PtrFromString(szDeviceName)
if err != nil {
return "", err
}
szTarget := make([]uint16, 512)
n, err := windows.QueryDosDevice(deviceName, &szTarget[0], uint32(len(szTarget)))
if err == nil && windows.UTF16ToString(szTarget[:n]) == rawDrive {
return filepath.Join(szDeviceName, p[len(rawDrive):]), nil
}
}
return p, nil
}