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61 lines
1.1 KiB
61 lines
1.1 KiB
// +build linux
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package system
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import (
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"os/exec"
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"syscall"
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"unsafe"
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)
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func Execv(cmd string, args []string, env []string) error {
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name, err := exec.LookPath(cmd)
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if err != nil {
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return err
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}
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return syscall.Exec(name, args, env)
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}
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func ParentDeathSignal(sig uintptr) error {
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if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_PDEATHSIG, sig, 0); err != 0 {
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return err
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}
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return nil
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}
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func GetParentDeathSignal() (int, error) {
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var sig int
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_, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_GET_PDEATHSIG, uintptr(unsafe.Pointer(&sig)), 0)
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if err != 0 {
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return -1, err
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}
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return sig, nil
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}
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func SetKeepCaps() error {
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if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_KEEPCAPS, 1, 0); err != 0 {
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return err
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}
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return nil
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}
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func ClearKeepCaps() error {
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if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_KEEPCAPS, 0, 0); err != 0 {
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return err
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}
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return nil
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}
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func Setctty() error {
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if _, _, err := syscall.RawSyscall(syscall.SYS_IOCTL, 0, uintptr(syscall.TIOCSCTTY), 0); err != 0 {
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return err
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}
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return nil
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}
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