6c9d715a8c
Use unix.Prctl() instead of manually reimplementing it using unix.RawSyscall. Also use unix.SECCOMP_MODE_FILTER instead of locally defining it. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
package sysinfo
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func TestReadProcBool(t *testing.T) {
|
|
tmpDir, err := ioutil.TempDir("", "test-sysinfo-proc")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
procFile := filepath.Join(tmpDir, "read-proc-bool")
|
|
err = ioutil.WriteFile(procFile, []byte("1"), 0644)
|
|
require.NoError(t, err)
|
|
|
|
if !readProcBool(procFile) {
|
|
t.Fatal("expected proc bool to be true, got false")
|
|
}
|
|
|
|
if err := ioutil.WriteFile(procFile, []byte("0"), 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if readProcBool(procFile) {
|
|
t.Fatal("expected proc bool to be false, got true")
|
|
}
|
|
|
|
if readProcBool(path.Join(tmpDir, "no-exist")) {
|
|
t.Fatal("should be false for non-existent entry")
|
|
}
|
|
|
|
}
|
|
|
|
func TestCgroupEnabled(t *testing.T) {
|
|
cgroupDir, err := ioutil.TempDir("", "cgroup-test")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(cgroupDir)
|
|
|
|
if cgroupEnabled(cgroupDir, "test") {
|
|
t.Fatal("cgroupEnabled should be false")
|
|
}
|
|
|
|
err = ioutil.WriteFile(path.Join(cgroupDir, "test"), []byte{}, 0644)
|
|
require.NoError(t, err)
|
|
|
|
if !cgroupEnabled(cgroupDir, "test") {
|
|
t.Fatal("cgroupEnabled should be true")
|
|
}
|
|
}
|
|
|
|
func TestNew(t *testing.T) {
|
|
sysInfo := New(false)
|
|
require.NotNil(t, sysInfo)
|
|
checkSysInfo(t, sysInfo)
|
|
|
|
sysInfo = New(true)
|
|
require.NotNil(t, sysInfo)
|
|
checkSysInfo(t, sysInfo)
|
|
}
|
|
|
|
func checkSysInfo(t *testing.T, sysInfo *SysInfo) {
|
|
// Check if Seccomp is supported, via CONFIG_SECCOMP.then sysInfo.Seccomp must be TRUE , else FALSE
|
|
if err := unix.Prctl(unix.PR_GET_SECCOMP, 0, 0, 0, 0); err != unix.EINVAL {
|
|
// Make sure the kernel has CONFIG_SECCOMP_FILTER.
|
|
if err := unix.Prctl(unix.PR_SET_SECCOMP, unix.SECCOMP_MODE_FILTER, 0, 0, 0); err != unix.EINVAL {
|
|
require.True(t, sysInfo.Seccomp)
|
|
}
|
|
} else {
|
|
require.False(t, sysInfo.Seccomp)
|
|
}
|
|
}
|
|
|
|
func TestNewAppArmorEnabled(t *testing.T) {
|
|
// Check if AppArmor is supported. then it must be TRUE , else FALSE
|
|
if _, err := os.Stat("/sys/kernel/security/apparmor"); err != nil {
|
|
t.Skip("App Armor Must be Enabled")
|
|
}
|
|
|
|
sysInfo := New(true)
|
|
require.True(t, sysInfo.AppArmor)
|
|
}
|
|
|
|
func TestNewAppArmorDisabled(t *testing.T) {
|
|
// Check if AppArmor is supported. then it must be TRUE , else FALSE
|
|
if _, err := os.Stat("/sys/kernel/security/apparmor"); !os.IsNotExist(err) {
|
|
t.Skip("App Armor Must be Disabled")
|
|
}
|
|
|
|
sysInfo := New(true)
|
|
require.False(t, sysInfo.AppArmor)
|
|
}
|
|
|
|
func TestNumCPU(t *testing.T) {
|
|
cpuNumbers := NumCPU()
|
|
if cpuNumbers <= 0 {
|
|
t.Fatal("CPU returned must be greater than zero")
|
|
}
|
|
}
|