Exemple #1
0
// Returns the User struct for a particular login name.
func FindUser(name string) ([]User, error) {
	pwent, err := C.getpwnam(C.CString(name))
	if pwent == nil {
		return []User{}, err
	}
	return []User{pwentToUser(pwent)}, nil
}
Exemple #2
0
// Getpwnam searches the user database for an entry with a matching name.
func Getpwnam(name string) *Passwd {
	cname := C.CString(name)
	defer C.free(unsafe.Pointer(cname))
	cpw := C.getpwnam(cname)
	if cpw == nil {
		return nil
	}
	return cpasswd2go(cpw)
}
Exemple #3
0
func Getpwnam(name string) *Passwd {
	cname := C.CString(name)
	defer C.free(unsafe.Pointer(cname))
	cpw := C.getpwnam(cname)
	return &Passwd{
		Uid:   uint32(cpw.pw_uid),
		Gid:   uint32(cpw.pw_gid),
		Dir:   C.GoString(cpw.pw_dir),
		Shell: C.GoString(cpw.pw_shell),
	}
}
Exemple #4
0
func DropPrivileges(name string) {
	cname := C.CString(name)
	home := C.CString("HOME")
	slash := C.CString("/")
	defer C.cfree(unsafe.Pointer(home))
	defer C.cfree(unsafe.Pointer(cname))
	defer C.cfree(unsafe.Pointer(slash))
	cpw := C.getpwnam(cname)
	C.setgid(cpw.pw_gid)
	C.setuid(cpw.pw_uid)
	C.setenv(home, cpw.pw_dir, 1)
	C.setsid()
	C.chdir(slash)
	C.umask(022)
}