1010 lines
28 KiB
Go
1010 lines
28 KiB
Go
// +build windows
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package process
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"strings"
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"syscall"
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"unsafe"
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cpu "github.com/shirou/gopsutil/cpu"
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"github.com/shirou/gopsutil/internal/common"
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net "github.com/shirou/gopsutil/net"
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"golang.org/x/sys/windows"
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)
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var (
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modntdll = windows.NewLazySystemDLL("ntdll.dll")
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procNtResumeProcess = modntdll.NewProc("NtResumeProcess")
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procNtSuspendProcess = modntdll.NewProc("NtSuspendProcess")
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modpsapi = windows.NewLazySystemDLL("psapi.dll")
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procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo")
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procGetProcessImageFileNameW = modpsapi.NewProc("GetProcessImageFileNameW")
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advapi32 = windows.NewLazySystemDLL("advapi32.dll")
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procLookupPrivilegeValue = advapi32.NewProc("LookupPrivilegeValueW")
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procAdjustTokenPrivileges = advapi32.NewProc("AdjustTokenPrivileges")
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procQueryFullProcessImageNameW = common.Modkernel32.NewProc("QueryFullProcessImageNameW")
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procGetPriorityClass = common.Modkernel32.NewProc("GetPriorityClass")
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procGetProcessIoCounters = common.Modkernel32.NewProc("GetProcessIoCounters")
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procGetNativeSystemInfo = common.Modkernel32.NewProc("GetNativeSystemInfo")
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processorArchitecture uint
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)
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type SystemProcessInformation struct {
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NextEntryOffset uint64
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NumberOfThreads uint64
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Reserved1 [48]byte
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Reserved2 [3]byte
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UniqueProcessID uintptr
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Reserved3 uintptr
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HandleCount uint64
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Reserved4 [4]byte
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Reserved5 [11]byte
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PeakPagefileUsage uint64
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PrivatePageCount uint64
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Reserved6 [6]uint64
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}
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type systemProcessorInformation struct {
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ProcessorArchitecture uint16
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ProcessorLevel uint16
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ProcessorRevision uint16
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Reserved uint16
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ProcessorFeatureBits uint16
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}
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type systemInfo struct {
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wProcessorArchitecture uint16
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wReserved uint16
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dwPageSize uint32
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lpMinimumApplicationAddress uintptr
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lpMaximumApplicationAddress uintptr
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dwActiveProcessorMask uintptr
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dwNumberOfProcessors uint32
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dwProcessorType uint32
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dwAllocationGranularity uint32
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wProcessorLevel uint16
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wProcessorRevision uint16
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}
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// Memory_info_ex is different between OSes
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type MemoryInfoExStat struct {
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}
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type MemoryMapsStat struct {
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}
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// ioCounters is an equivalent representation of IO_COUNTERS in the Windows API.
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// https://docs.microsoft.com/windows/win32/api/winnt/ns-winnt-io_counters
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type ioCounters struct {
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ReadOperationCount uint64
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WriteOperationCount uint64
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OtherOperationCount uint64
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ReadTransferCount uint64
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WriteTransferCount uint64
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OtherTransferCount uint64
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}
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type processBasicInformation32 struct {
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Reserved1 uint32
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PebBaseAddress uint32
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Reserved2 uint32
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Reserved3 uint32
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UniqueProcessId uint32
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Reserved4 uint32
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}
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type processBasicInformation64 struct {
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Reserved1 uint64
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PebBaseAddress uint64
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Reserved2 uint64
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Reserved3 uint64
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UniqueProcessId uint64
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Reserved4 uint64
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}
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type winLUID struct {
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LowPart winDWord
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HighPart winLong
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}
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// LUID_AND_ATTRIBUTES
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type winLUIDAndAttributes struct {
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Luid winLUID
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Attributes winDWord
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}
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// TOKEN_PRIVILEGES
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type winTokenPriviledges struct {
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PrivilegeCount winDWord
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Privileges [1]winLUIDAndAttributes
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}
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type winLong int32
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type winDWord uint32
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func init() {
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var systemInfo systemInfo
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procGetNativeSystemInfo.Call(uintptr(unsafe.Pointer(&systemInfo)))
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processorArchitecture = uint(systemInfo.wProcessorArchitecture)
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// enable SeDebugPrivilege https://github.com/midstar/proci/blob/6ec79f57b90ba3d9efa2a7b16ef9c9369d4be875/proci_windows.go#L80-L119
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handle, err := syscall.GetCurrentProcess()
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if err != nil {
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return
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}
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var token syscall.Token
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err = syscall.OpenProcessToken(handle, 0x0028, &token)
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if err != nil {
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return
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}
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defer token.Close()
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tokenPriviledges := winTokenPriviledges{PrivilegeCount: 1}
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lpName := syscall.StringToUTF16("SeDebugPrivilege")
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ret, _, _ := procLookupPrivilegeValue.Call(
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0,
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uintptr(unsafe.Pointer(&lpName[0])),
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uintptr(unsafe.Pointer(&tokenPriviledges.Privileges[0].Luid)))
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if ret == 0 {
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return
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}
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tokenPriviledges.Privileges[0].Attributes = 0x00000002 // SE_PRIVILEGE_ENABLED
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procAdjustTokenPrivileges.Call(
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uintptr(token),
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0,
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uintptr(unsafe.Pointer(&tokenPriviledges)),
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uintptr(unsafe.Sizeof(tokenPriviledges)),
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0,
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0)
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}
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func pidsWithContext(ctx context.Context) ([]int32, error) {
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// inspired by https://gist.github.com/henkman/3083408
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// and https://github.com/giampaolo/psutil/blob/1c3a15f637521ba5c0031283da39c733fda53e4c/psutil/arch/windows/process_info.c#L315-L329
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var ret []int32
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var read uint32 = 0
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var psSize uint32 = 1024
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const dwordSize uint32 = 4
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for {
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ps := make([]uint32, psSize)
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if err := windows.EnumProcesses(ps, &read); err != nil {
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return nil, err
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}
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if uint32(len(ps)) == read { // ps buffer was too small to host every results, retry with a bigger one
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psSize += 1024
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continue
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}
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for _, pid := range ps[:read/dwordSize] {
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ret = append(ret, int32(pid))
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}
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return ret, nil
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}
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}
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func PidExistsWithContext(ctx context.Context, pid int32) (bool, error) {
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if pid == 0 { // special case for pid 0 System Idle Process
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return true, nil
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}
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if pid < 0 {
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return false, fmt.Errorf("invalid pid %v", pid)
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}
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if pid%4 != 0 {
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// OpenProcess will succeed even on non-existing pid here https://devblogs.microsoft.com/oldnewthing/20080606-00/?p=22043
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// so we list every pid just to be sure and be future-proof
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pids, err := PidsWithContext(ctx)
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if err != nil {
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return false, err
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}
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for _, i := range pids {
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if i == pid {
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return true, err
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}
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}
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return false, err
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}
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const STILL_ACTIVE = 259 // https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getexitcodeprocess
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h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
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if err == windows.ERROR_ACCESS_DENIED {
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return true, nil
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}
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if err == windows.ERROR_INVALID_PARAMETER {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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defer syscall.CloseHandle(syscall.Handle(h))
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var exitCode uint32
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err = windows.GetExitCodeProcess(h, &exitCode)
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return exitCode == STILL_ACTIVE, err
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}
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func (p *Process) Ppid() (int32, error) {
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return p.PpidWithContext(context.Background())
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}
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func (p *Process) PpidWithContext(ctx context.Context) (int32, error) {
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ppid, _, _, err := getFromSnapProcess(p.Pid)
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if err != nil {
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return 0, err
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}
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return ppid, nil
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}
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func (p *Process) Name() (string, error) {
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return p.NameWithContext(context.Background())
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}
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func (p *Process) NameWithContext(ctx context.Context) (string, error) {
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_, _, name, err := getFromSnapProcess(p.Pid)
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if err != nil {
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return "", fmt.Errorf("could not get Name: %s", err)
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}
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return name, nil
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}
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func (p *Process) Tgid() (int32, error) {
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return 0, common.ErrNotImplementedError
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}
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func (p *Process) Exe() (string, error) {
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return p.ExeWithContext(context.Background())
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}
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func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
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c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(p.Pid))
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if err != nil {
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return "", err
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}
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defer windows.CloseHandle(c)
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buf := make([]uint16, syscall.MAX_LONG_PATH)
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size := uint32(syscall.MAX_LONG_PATH)
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if err := procQueryFullProcessImageNameW.Find(); err == nil { // Vista+
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ret, _, err := procQueryFullProcessImageNameW.Call(
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uintptr(c),
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uintptr(0),
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uintptr(unsafe.Pointer(&buf[0])),
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uintptr(unsafe.Pointer(&size)))
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if ret == 0 {
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return "", err
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}
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return windows.UTF16ToString(buf[:]), nil
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}
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// XP fallback
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ret, _, err := procGetProcessImageFileNameW.Call(uintptr(c), uintptr(unsafe.Pointer(&buf[0])), uintptr(size))
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if ret == 0 {
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return "", err
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}
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return common.ConvertDOSPath(windows.UTF16ToString(buf[:])), nil
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}
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func (p *Process) Cmdline() (string, error) {
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return p.CmdlineWithContext(context.Background())
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}
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func (p *Process) CmdlineWithContext(_ context.Context) (string, error) {
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cmdline, err := getProcessCommandLine(p.Pid)
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if err != nil {
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return "", fmt.Errorf("could not get CommandLine: %s", err)
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}
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return cmdline, nil
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}
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// CmdlineSlice returns the command line arguments of the process as a slice with each
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// element being an argument. This merely returns the CommandLine informations passed
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// to the process split on the 0x20 ASCII character.
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func (p *Process) CmdlineSlice() ([]string, error) {
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return p.CmdlineSliceWithContext(context.Background())
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}
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func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error) {
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cmdline, err := p.CmdlineWithContext(ctx)
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if err != nil {
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return nil, err
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}
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return strings.Split(cmdline, " "), nil
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}
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func (p *Process) createTimeWithContext(ctx context.Context) (int64, error) {
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ru, err := getRusage(p.Pid)
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if err != nil {
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return 0, fmt.Errorf("could not get CreationDate: %s", err)
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}
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return ru.CreationTime.Nanoseconds() / 1000000, nil
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}
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func (p *Process) Cwd() (string, error) {
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return p.CwdWithContext(context.Background())
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}
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func (p *Process) CwdWithContext(ctx context.Context) (string, error) {
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return "", common.ErrNotImplementedError
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}
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func (p *Process) Parent() (*Process, error) {
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return p.ParentWithContext(context.Background())
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}
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func (p *Process) ParentWithContext(ctx context.Context) (*Process, error) {
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ppid, err := p.PpidWithContext(ctx)
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if err != nil {
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return nil, fmt.Errorf("could not get ParentProcessID: %s", err)
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}
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return NewProcess(ppid)
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}
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func (p *Process) Status() (string, error) {
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return p.StatusWithContext(context.Background())
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}
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func (p *Process) StatusWithContext(ctx context.Context) (string, error) {
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return "", common.ErrNotImplementedError
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}
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func (p *Process) Foreground() (bool, error) {
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return p.ForegroundWithContext(context.Background())
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}
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func (p *Process) ForegroundWithContext(ctx context.Context) (bool, error) {
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return false, common.ErrNotImplementedError
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}
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func (p *Process) Username() (string, error) {
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return p.UsernameWithContext(context.Background())
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}
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func (p *Process) UsernameWithContext(ctx context.Context) (string, error) {
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pid := p.Pid
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c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
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if err != nil {
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return "", err
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}
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defer windows.CloseHandle(c)
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var token syscall.Token
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err = syscall.OpenProcessToken(syscall.Handle(c), syscall.TOKEN_QUERY, &token)
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if err != nil {
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return "", err
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}
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defer token.Close()
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tokenUser, err := token.GetTokenUser()
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if err != nil {
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return "", err
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}
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user, domain, _, err := tokenUser.User.Sid.LookupAccount("")
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return domain + "\\" + user, err
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}
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func (p *Process) Uids() ([]int32, error) {
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return p.UidsWithContext(context.Background())
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}
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func (p *Process) UidsWithContext(ctx context.Context) ([]int32, error) {
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var uids []int32
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return uids, common.ErrNotImplementedError
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}
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func (p *Process) Gids() ([]int32, error) {
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return p.GidsWithContext(context.Background())
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}
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func (p *Process) GidsWithContext(ctx context.Context) ([]int32, error) {
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var gids []int32
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return gids, common.ErrNotImplementedError
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}
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func (p *Process) GroupsWithContext(ctx context.Context) ([]int32, error) {
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var groups []int32
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return groups, common.ErrNotImplementedError
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}
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func (p *Process) Terminal() (string, error) {
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return p.TerminalWithContext(context.Background())
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}
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func (p *Process) TerminalWithContext(ctx context.Context) (string, error) {
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return "", common.ErrNotImplementedError
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}
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// priorityClasses maps a win32 priority class to its WMI equivalent Win32_Process.Priority
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// https://docs.microsoft.com/en-us/windows/desktop/api/processthreadsapi/nf-processthreadsapi-getpriorityclass
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// https://docs.microsoft.com/en-us/windows/desktop/cimwin32prov/win32-process
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var priorityClasses = map[int]int32{
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0x00008000: 10, // ABOVE_NORMAL_PRIORITY_CLASS
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0x00004000: 6, // BELOW_NORMAL_PRIORITY_CLASS
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0x00000080: 13, // HIGH_PRIORITY_CLASS
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0x00000040: 4, // IDLE_PRIORITY_CLASS
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0x00000020: 8, // NORMAL_PRIORITY_CLASS
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0x00000100: 24, // REALTIME_PRIORITY_CLASS
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}
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|
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// Nice returns priority in Windows
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func (p *Process) Nice() (int32, error) {
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return p.NiceWithContext(context.Background())
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}
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func (p *Process) NiceWithContext(ctx context.Context) (int32, error) {
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c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(p.Pid))
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if err != nil {
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return 0, err
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}
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defer windows.CloseHandle(c)
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ret, _, err := procGetPriorityClass.Call(uintptr(c))
|
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if ret == 0 {
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return 0, err
|
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}
|
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priority, ok := priorityClasses[int(ret)]
|
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if !ok {
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return 0, fmt.Errorf("unknown priority class %v", ret)
|
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}
|
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return priority, nil
|
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}
|
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func (p *Process) IOnice() (int32, error) {
|
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return p.IOniceWithContext(context.Background())
|
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}
|
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|
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func (p *Process) IOniceWithContext(ctx context.Context) (int32, error) {
|
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return 0, common.ErrNotImplementedError
|
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}
|
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func (p *Process) Rlimit() ([]RlimitStat, error) {
|
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return p.RlimitWithContext(context.Background())
|
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}
|
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|
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func (p *Process) RlimitWithContext(ctx context.Context) ([]RlimitStat, error) {
|
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var rlimit []RlimitStat
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|
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return rlimit, common.ErrNotImplementedError
|
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}
|
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func (p *Process) RlimitUsage(gatherUsed bool) ([]RlimitStat, error) {
|
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return p.RlimitUsageWithContext(context.Background(), gatherUsed)
|
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}
|
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|
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func (p *Process) RlimitUsageWithContext(ctx context.Context, gatherUsed bool) ([]RlimitStat, error) {
|
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var rlimit []RlimitStat
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|
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return rlimit, common.ErrNotImplementedError
|
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}
|
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|
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func (p *Process) IOCounters() (*IOCountersStat, error) {
|
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return p.IOCountersWithContext(context.Background())
|
|
}
|
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|
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func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) {
|
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c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(p.Pid))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
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defer windows.CloseHandle(c)
|
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var ioCounters ioCounters
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ret, _, err := procGetProcessIoCounters.Call(uintptr(c), uintptr(unsafe.Pointer(&ioCounters)))
|
|
if ret == 0 {
|
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return nil, err
|
|
}
|
|
stats := &IOCountersStat{
|
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ReadCount: ioCounters.ReadOperationCount,
|
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ReadBytes: ioCounters.ReadTransferCount,
|
|
WriteCount: ioCounters.WriteOperationCount,
|
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WriteBytes: ioCounters.WriteTransferCount,
|
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}
|
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|
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return stats, nil
|
|
}
|
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func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
|
|
return p.NumCtxSwitchesWithContext(context.Background())
|
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}
|
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|
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func (p *Process) NumCtxSwitchesWithContext(ctx context.Context) (*NumCtxSwitchesStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
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func (p *Process) NumFDs() (int32, error) {
|
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return p.NumFDsWithContext(context.Background())
|
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}
|
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|
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func (p *Process) NumFDsWithContext(ctx context.Context) (int32, error) {
|
|
return 0, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) NumThreads() (int32, error) {
|
|
return p.NumThreadsWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
|
|
_, ret, _, err := getFromSnapProcess(p.Pid)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return ret, nil
|
|
}
|
|
func (p *Process) Threads() (map[int32]*cpu.TimesStat, error) {
|
|
return p.ThreadsWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) ThreadsWithContext(ctx context.Context) (map[int32]*cpu.TimesStat, error) {
|
|
ret := make(map[int32]*cpu.TimesStat)
|
|
return ret, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) Times() (*cpu.TimesStat, error) {
|
|
return p.TimesWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error) {
|
|
sysTimes, err := getProcessCPUTimes(p.Pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// User and kernel times are represented as a FILETIME structure
|
|
// which contains a 64-bit value representing the number of
|
|
// 100-nanosecond intervals since January 1, 1601 (UTC):
|
|
// http://msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx
|
|
// To convert it into a float representing the seconds that the
|
|
// process has executed in user/kernel mode I borrowed the code
|
|
// below from psutil's _psutil_windows.c, and in turn from Python's
|
|
// Modules/posixmodule.c
|
|
|
|
user := float64(sysTimes.UserTime.HighDateTime)*429.4967296 + float64(sysTimes.UserTime.LowDateTime)*1e-7
|
|
kernel := float64(sysTimes.KernelTime.HighDateTime)*429.4967296 + float64(sysTimes.KernelTime.LowDateTime)*1e-7
|
|
|
|
return &cpu.TimesStat{
|
|
User: user,
|
|
System: kernel,
|
|
}, nil
|
|
}
|
|
func (p *Process) CPUAffinity() ([]int32, error) {
|
|
return p.CPUAffinityWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) CPUAffinityWithContext(ctx context.Context) ([]int32, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
|
|
return p.MemoryInfoWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) {
|
|
mem, err := getMemoryInfo(p.Pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := &MemoryInfoStat{
|
|
RSS: uint64(mem.WorkingSetSize),
|
|
VMS: uint64(mem.PagefileUsage),
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
|
|
return p.MemoryInfoExWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) MemoryInfoExWithContext(ctx context.Context) (*MemoryInfoExStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) PageFaults() (*PageFaultsStat, error) {
|
|
return p.PageFaultsWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) PageFaultsWithContext(ctx context.Context) (*PageFaultsStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) Children() ([]*Process, error) {
|
|
return p.ChildrenWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) {
|
|
out := []*Process{}
|
|
snap, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPPROCESS, uint32(0))
|
|
if err != nil {
|
|
return out, err
|
|
}
|
|
defer windows.CloseHandle(snap)
|
|
var pe32 windows.ProcessEntry32
|
|
pe32.Size = uint32(unsafe.Sizeof(pe32))
|
|
if err := windows.Process32First(snap, &pe32); err != nil {
|
|
return out, err
|
|
}
|
|
for {
|
|
if pe32.ParentProcessID == uint32(p.Pid) {
|
|
p, err := NewProcess(int32(pe32.ProcessID))
|
|
if err == nil {
|
|
out = append(out, p)
|
|
}
|
|
}
|
|
if err = windows.Process32Next(snap, &pe32); err != nil {
|
|
break
|
|
}
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
|
|
return p.OpenFilesWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) OpenFilesWithContext(ctx context.Context) ([]OpenFilesStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) Connections() ([]net.ConnectionStat, error) {
|
|
return p.ConnectionsWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) {
|
|
return net.ConnectionsPidWithContext(ctx, "all", p.Pid)
|
|
}
|
|
|
|
func (p *Process) ConnectionsMax(max int) ([]net.ConnectionStat, error) {
|
|
return p.ConnectionsMaxWithContext(context.Background(), max)
|
|
}
|
|
|
|
func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error) {
|
|
return []net.ConnectionStat{}, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) {
|
|
return p.NetIOCountersWithContext(context.Background(), pernic)
|
|
}
|
|
|
|
func (p *Process) NetIOCountersWithContext(ctx context.Context, pernic bool) ([]net.IOCountersStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
|
|
return p.MemoryMapsWithContext(context.Background(), grouped)
|
|
}
|
|
|
|
func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]MemoryMapsStat, error) {
|
|
var ret []MemoryMapsStat
|
|
return &ret, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) SendSignal(sig windows.Signal) error {
|
|
return p.SendSignalWithContext(context.Background(), sig)
|
|
}
|
|
|
|
func (p *Process) SendSignalWithContext(ctx context.Context, sig windows.Signal) error {
|
|
return common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) Suspend() error {
|
|
return p.SuspendWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) SuspendWithContext(ctx context.Context) error {
|
|
c, err := windows.OpenProcess(windows.PROCESS_SUSPEND_RESUME, false, uint32(p.Pid))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer windows.CloseHandle(c)
|
|
|
|
r1, _, _ := procNtSuspendProcess.Call(uintptr(unsafe.Pointer(c)))
|
|
if r1 != 0 {
|
|
// See https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55
|
|
return fmt.Errorf("NtStatus='0x%.8X'", r1)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (p *Process) Resume() error {
|
|
return p.ResumeWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) ResumeWithContext(ctx context.Context) error {
|
|
c, err := windows.OpenProcess(windows.PROCESS_SUSPEND_RESUME, false, uint32(p.Pid))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer windows.CloseHandle(c)
|
|
|
|
r1, _, _ := procNtResumeProcess.Call(uintptr(unsafe.Pointer(c)))
|
|
if r1 != 0 {
|
|
// See https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55
|
|
return fmt.Errorf("NtStatus='0x%.8X'", r1)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (p *Process) Terminate() error {
|
|
return p.TerminateWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) TerminateWithContext(ctx context.Context) error {
|
|
proc, err := windows.OpenProcess(windows.PROCESS_TERMINATE, false, uint32(p.Pid))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = windows.TerminateProcess(proc, 0)
|
|
windows.CloseHandle(proc)
|
|
return err
|
|
}
|
|
|
|
func (p *Process) Kill() error {
|
|
return p.KillWithContext(context.Background())
|
|
}
|
|
|
|
func (p *Process) KillWithContext(ctx context.Context) error {
|
|
process := os.Process{Pid: int(p.Pid)}
|
|
return process.Kill()
|
|
}
|
|
|
|
func getFromSnapProcess(pid int32) (int32, int32, string, error) {
|
|
snap, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPPROCESS, uint32(pid))
|
|
if err != nil {
|
|
return 0, 0, "", err
|
|
}
|
|
defer windows.CloseHandle(snap)
|
|
var pe32 windows.ProcessEntry32
|
|
pe32.Size = uint32(unsafe.Sizeof(pe32))
|
|
if err = windows.Process32First(snap, &pe32); err != nil {
|
|
return 0, 0, "", err
|
|
}
|
|
for {
|
|
if pe32.ProcessID == uint32(pid) {
|
|
szexe := windows.UTF16ToString(pe32.ExeFile[:])
|
|
return int32(pe32.ParentProcessID), int32(pe32.Threads), szexe, nil
|
|
}
|
|
if err = windows.Process32Next(snap, &pe32); err != nil {
|
|
break
|
|
}
|
|
}
|
|
return 0, 0, "", fmt.Errorf("couldn't find pid: %d", pid)
|
|
}
|
|
|
|
// Get processes
|
|
func Processes() ([]*Process, error) {
|
|
return ProcessesWithContext(context.Background())
|
|
}
|
|
|
|
func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
|
|
out := []*Process{}
|
|
|
|
pids, err := PidsWithContext(ctx)
|
|
if err != nil {
|
|
return out, fmt.Errorf("could not get Processes %s", err)
|
|
}
|
|
|
|
for _, pid := range pids {
|
|
p, err := NewProcess(pid)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
out = append(out, p)
|
|
}
|
|
|
|
return out, nil
|
|
}
|
|
|
|
func getRusage(pid int32) (*windows.Rusage, error) {
|
|
var CPU windows.Rusage
|
|
|
|
c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer windows.CloseHandle(c)
|
|
|
|
if err := windows.GetProcessTimes(c, &CPU.CreationTime, &CPU.ExitTime, &CPU.KernelTime, &CPU.UserTime); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &CPU, nil
|
|
}
|
|
|
|
func getMemoryInfo(pid int32) (PROCESS_MEMORY_COUNTERS, error) {
|
|
var mem PROCESS_MEMORY_COUNTERS
|
|
c, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
|
|
if err != nil {
|
|
return mem, err
|
|
}
|
|
defer windows.CloseHandle(c)
|
|
if err := getProcessMemoryInfo(c, &mem); err != nil {
|
|
return mem, err
|
|
}
|
|
|
|
return mem, err
|
|
}
|
|
|
|
func getProcessMemoryInfo(h windows.Handle, mem *PROCESS_MEMORY_COUNTERS) (err error) {
|
|
r1, _, e1 := syscall.Syscall(procGetProcessMemoryInfo.Addr(), 3, uintptr(h), uintptr(unsafe.Pointer(mem)), uintptr(unsafe.Sizeof(*mem)))
|
|
if r1 == 0 {
|
|
if e1 != 0 {
|
|
err = error(e1)
|
|
} else {
|
|
err = syscall.EINVAL
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
type SYSTEM_TIMES struct {
|
|
CreateTime syscall.Filetime
|
|
ExitTime syscall.Filetime
|
|
KernelTime syscall.Filetime
|
|
UserTime syscall.Filetime
|
|
}
|
|
|
|
func getProcessCPUTimes(pid int32) (SYSTEM_TIMES, error) {
|
|
var times SYSTEM_TIMES
|
|
|
|
h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
|
|
if err != nil {
|
|
return times, err
|
|
}
|
|
defer windows.CloseHandle(h)
|
|
|
|
err = syscall.GetProcessTimes(
|
|
syscall.Handle(h),
|
|
×.CreateTime,
|
|
×.ExitTime,
|
|
×.KernelTime,
|
|
×.UserTime,
|
|
)
|
|
|
|
return times, err
|
|
}
|
|
|
|
func is32BitProcess(procHandle syscall.Handle) bool {
|
|
var wow64 uint
|
|
|
|
ret, _, _ := common.ProcNtQueryInformationProcess.Call(
|
|
uintptr(procHandle),
|
|
uintptr(common.ProcessWow64Information),
|
|
uintptr(unsafe.Pointer(&wow64)),
|
|
uintptr(unsafe.Sizeof(wow64)),
|
|
uintptr(0),
|
|
)
|
|
if int(ret) >= 0 {
|
|
if wow64 != 0 {
|
|
return true
|
|
}
|
|
} else {
|
|
//if the OS does not support the call, we fallback into the bitness of the app
|
|
if unsafe.Sizeof(wow64) == 4 {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func getProcessCommandLine(pid int32) (string, error) {
|
|
h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION|windows.PROCESS_VM_READ, false, uint32(pid))
|
|
if err == windows.ERROR_ACCESS_DENIED || err == windows.ERROR_INVALID_PARAMETER {
|
|
return "", nil
|
|
}
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer syscall.CloseHandle(syscall.Handle(h))
|
|
|
|
const (
|
|
PROCESSOR_ARCHITECTURE_INTEL = 0
|
|
PROCESSOR_ARCHITECTURE_ARM = 5
|
|
PROCESSOR_ARCHITECTURE_ARM64 = 12
|
|
PROCESSOR_ARCHITECTURE_IA64 = 6
|
|
PROCESSOR_ARCHITECTURE_AMD64 = 9
|
|
)
|
|
|
|
procIs32Bits := true
|
|
switch processorArchitecture {
|
|
case PROCESSOR_ARCHITECTURE_INTEL:
|
|
fallthrough
|
|
case PROCESSOR_ARCHITECTURE_ARM:
|
|
procIs32Bits = true
|
|
|
|
case PROCESSOR_ARCHITECTURE_ARM64:
|
|
fallthrough
|
|
case PROCESSOR_ARCHITECTURE_IA64:
|
|
fallthrough
|
|
case PROCESSOR_ARCHITECTURE_AMD64:
|
|
procIs32Bits = is32BitProcess(syscall.Handle(h))
|
|
|
|
default:
|
|
//for other unknown platforms, we rely on process platform
|
|
if unsafe.Sizeof(processorArchitecture) == 8 {
|
|
procIs32Bits = false
|
|
}
|
|
}
|
|
|
|
pebAddress := queryPebAddress(syscall.Handle(h), procIs32Bits)
|
|
if pebAddress == 0 {
|
|
return "", errors.New("cannot locate process PEB")
|
|
}
|
|
|
|
if procIs32Bits {
|
|
buf := readProcessMemory(syscall.Handle(h), procIs32Bits, pebAddress+uint64(16), 4)
|
|
if len(buf) != 4 {
|
|
return "", errors.New("cannot locate process user parameters")
|
|
}
|
|
userProcParams := uint64(buf[0]) | (uint64(buf[1]) << 8) | (uint64(buf[2]) << 16) | (uint64(buf[3]) << 24)
|
|
|
|
//read CommandLine field from PRTL_USER_PROCESS_PARAMETERS
|
|
remoteCmdLine := readProcessMemory(syscall.Handle(h), procIs32Bits, userProcParams+uint64(64), 8)
|
|
if len(remoteCmdLine) != 8 {
|
|
return "", errors.New("cannot read cmdline field")
|
|
}
|
|
|
|
//remoteCmdLine is actually a UNICODE_STRING32
|
|
//the first two bytes has the length
|
|
cmdLineLength := uint(remoteCmdLine[0]) | (uint(remoteCmdLine[1]) << 8)
|
|
if cmdLineLength > 0 {
|
|
//and, at offset 4, is the pointer to the buffer
|
|
bufferAddress := uint32(remoteCmdLine[4]) | (uint32(remoteCmdLine[5]) << 8) |
|
|
(uint32(remoteCmdLine[6]) << 16) | (uint32(remoteCmdLine[7]) << 24)
|
|
|
|
cmdLine := readProcessMemory(syscall.Handle(h), procIs32Bits, uint64(bufferAddress), cmdLineLength)
|
|
if len(cmdLine) != int(cmdLineLength) {
|
|
return "", errors.New("cannot read cmdline")
|
|
}
|
|
|
|
return convertUTF16ToString(cmdLine), nil
|
|
}
|
|
} else {
|
|
buf := readProcessMemory(syscall.Handle(h), procIs32Bits, pebAddress+uint64(32), 8)
|
|
if len(buf) != 8 {
|
|
return "", errors.New("cannot locate process user parameters")
|
|
}
|
|
userProcParams := uint64(buf[0]) | (uint64(buf[1]) << 8) | (uint64(buf[2]) << 16) | (uint64(buf[3]) << 24) |
|
|
(uint64(buf[4]) << 32) | (uint64(buf[5]) << 40) | (uint64(buf[6]) << 48) | (uint64(buf[7]) << 56)
|
|
|
|
//read CommandLine field from PRTL_USER_PROCESS_PARAMETERS
|
|
remoteCmdLine := readProcessMemory(syscall.Handle(h), procIs32Bits, userProcParams+uint64(112), 16)
|
|
if len(remoteCmdLine) != 16 {
|
|
return "", errors.New("cannot read cmdline field")
|
|
}
|
|
|
|
//remoteCmdLine is actually a UNICODE_STRING64
|
|
//the first two bytes has the length
|
|
cmdLineLength := uint(remoteCmdLine[0]) | (uint(remoteCmdLine[1]) << 8)
|
|
if cmdLineLength > 0 {
|
|
//and, at offset 8, is the pointer to the buffer
|
|
bufferAddress := uint64(remoteCmdLine[8]) | (uint64(remoteCmdLine[9]) << 8) |
|
|
(uint64(remoteCmdLine[10]) << 16) | (uint64(remoteCmdLine[11]) << 24) |
|
|
(uint64(remoteCmdLine[12]) << 32) | (uint64(remoteCmdLine[13]) << 40) |
|
|
(uint64(remoteCmdLine[14]) << 48) | (uint64(remoteCmdLine[15]) << 56)
|
|
|
|
cmdLine := readProcessMemory(syscall.Handle(h), procIs32Bits, bufferAddress, cmdLineLength)
|
|
if len(cmdLine) != int(cmdLineLength) {
|
|
return "", errors.New("cannot read cmdline")
|
|
}
|
|
|
|
return convertUTF16ToString(cmdLine), nil
|
|
}
|
|
}
|
|
|
|
//if we reach here, we have no command line
|
|
return "", nil
|
|
}
|
|
|
|
func convertUTF16ToString(src []byte) string {
|
|
srcLen := len(src) / 2
|
|
|
|
codePoints := make([]uint16, srcLen)
|
|
|
|
srcIdx := 0
|
|
for i := 0; i < srcLen; i++ {
|
|
codePoints[i] = uint16(src[srcIdx]) | uint16(src[srcIdx+1])<<8
|
|
srcIdx += 2
|
|
}
|
|
return syscall.UTF16ToString(codePoints)
|
|
}
|