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package seccomp_test
import (
"crypto/sha512"
"errors"
"syscall"
"testing"
. "hakurei.app/container/seccomp"
. "hakurei.app/container/std"
)
func TestLibraryError(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
sample *LibraryError
want string
wantIs bool
compare error
}{
{
"full",
&LibraryError{Prefix: "seccomp_export_bpf failed", Seccomp: syscall.ECANCELED, Errno: syscall.EBADF},
"seccomp_export_bpf failed: operation canceled (bad file descriptor)",
true,
&LibraryError{Prefix: "seccomp_export_bpf failed", Seccomp: syscall.ECANCELED, Errno: syscall.EBADF},
},
{
"errno only",
&LibraryError{Prefix: "seccomp_init failed", Errno: syscall.ENOMEM},
"seccomp_init failed: cannot allocate memory",
false,
nil,
},
{
"seccomp only",
&LibraryError{Prefix: "internal libseccomp failure", Seccomp: syscall.EFAULT},
"internal libseccomp failure: bad address",
true,
syscall.EFAULT,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
if errors.Is(tc.sample, tc.compare) != tc.wantIs {
t.Errorf("errors.Is(%#v, %#v) did not return %v",
tc.sample, tc.compare, tc.wantIs)
}
if got := tc.sample.Error(); got != tc.want {
t.Errorf("Error: %q, want %q",
got, tc.want)
}
})
}
t.Run("invalid", func(t *testing.T) {
t.Parallel()
wantPanic := "invalid libseccomp error"
defer func() {
if r := recover(); r != wantPanic {
t.Errorf("panic: %q, want %q", r, wantPanic)
}
}()
_ = new(LibraryError).Error()
})
}
func TestExport(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
flags ExportFlag
presets FilterPreset
wantErr bool
}{
{"everything", AllowMultiarch | AllowCAN |
AllowBluetooth, PresetExt |
PresetDenyNS | PresetDenyTTY | PresetDenyDevel |
PresetLinux32, false},
{"compat", 0, 0, false},
{"base", 0, PresetExt, false},
{"strict", 0, PresetStrict, false},
{"strict compat", 0, PresetDenyNS | PresetDenyTTY | PresetDenyDevel, false},
{"hakurei default", 0, PresetExt | PresetDenyDevel, false},
{"hakurei tty", 0, PresetExt | PresetDenyNS | PresetDenyDevel, false},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
want := bpfExpected[bpfPreset{tc.flags, tc.presets}]
if data, err := Export(Preset(tc.presets, tc.flags), tc.flags); (err != nil) != tc.wantErr {
t.Errorf("Export: error = %v, wantErr %v", err, tc.wantErr)
return
} else if got := sha512.Sum512(data); got != want {
t.Fatalf("Export: hash = %x, want %x", got, want)
return
}
})
}
}
func BenchmarkExport(b *testing.B) {
const exportFlags = AllowMultiarch | AllowCAN | AllowBluetooth
const presetFlags = PresetExt | PresetDenyNS | PresetDenyTTY | PresetDenyDevel | PresetLinux32
var want = bpfExpected[bpfPreset{exportFlags, presetFlags}]
for b.Loop() {
data, err := Export(Preset(presetFlags, exportFlags), exportFlags)
b.StopTimer()
if err != nil {
b.Fatalf("Export: error = %v", err)
}
if got := sha512.Sum512(data); got != want {
b.Fatalf("Export: hash = %x, want %x", got, want)
return
}
b.StartTimer()
}
}
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