Ophestra
c7053d99da
The BPF programs produced by libseccomp seems to be deterministic. This test would catch regressions as it verifies the program against known good output backed by manual testing. Signed-off-by: Ophestra <cat@gensokyo.uk>
97 lines
3.4 KiB
Go
97 lines
3.4 KiB
Go
package seccomp_test
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import (
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"crypto/sha512"
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"io"
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"slices"
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"testing"
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"git.gensokyo.uk/security/fortify/helper/seccomp"
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"git.gensokyo.uk/security/fortify/internal/fmsg"
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)
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func TestExport(t *testing.T) {
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testCases := []struct {
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name string
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opts seccomp.SyscallOpts
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want []byte
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wantErr bool
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}{
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{"compat", 0, []byte{
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0x95, 0xec, 0x69, 0xd0, 0x17, 0x73, 0x3e, 0x07,
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0x21, 0x60, 0xe0, 0xda, 0x80, 0xfd, 0xeb, 0xec,
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0xdf, 0x27, 0xae, 0x81, 0x66, 0xf5, 0xe2, 0xa7,
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0x31, 0x27, 0x0c, 0x98, 0xea, 0x2d, 0x29, 0x46,
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0xcb, 0x52, 0x31, 0x02, 0x90, 0x63, 0x66, 0x8a,
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0xf2, 0x15, 0x87, 0x91, 0x55, 0xda, 0x21, 0xac,
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0xa7, 0x9b, 0x07, 0x0e, 0x04, 0xc0, 0xee, 0x9a,
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0xcd, 0xf5, 0x8f, 0x55, 0xcf, 0xa8, 0x15, 0xa5,
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}, false},
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{"base", seccomp.FlagExt, []byte{
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0xdc, 0x7f, 0x2e, 0x1c, 0x5e, 0x82, 0x9b, 0x79,
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0xeb, 0xb7, 0xef, 0xc7, 0x59, 0x15, 0x0f, 0x54,
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0xa8, 0x3a, 0x75, 0xc8, 0xdf, 0x6f, 0xee, 0x4d,
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0xce, 0x5d, 0xad, 0xc4, 0x73, 0x6c, 0x58, 0x5d,
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0x4d, 0xee, 0xbf, 0xeb, 0x3c, 0x79, 0x69, 0xaf,
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0x3a, 0x07, 0x7e, 0x90, 0xb7, 0x7b, 0xb4, 0x74,
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0x1d, 0xb0, 0x5d, 0x90, 0x99, 0x7c, 0x86, 0x59,
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0xb9, 0x58, 0x91, 0x20, 0x6a, 0xc9, 0x95, 0x2d,
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}, false},
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{"everything", seccomp.FlagExt |
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seccomp.FlagDenyNS | seccomp.FlagDenyTTY | seccomp.FlagDenyDevel |
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seccomp.FlagMultiarch | seccomp.FlagLinux32 | seccomp.FlagCan |
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seccomp.FlagBluetooth, []byte{
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0xe9, 0x9d, 0xd3, 0x45, 0xe1, 0x95, 0x41, 0x34,
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0x73, 0xd3, 0xcb, 0xee, 0x07, 0xb4, 0xed, 0x57,
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0xb9, 0x08, 0xbf, 0xa8, 0x9e, 0xa2, 0x07, 0x2f,
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0xe9, 0x34, 0x82, 0x84, 0x7f, 0x50, 0xb5, 0xb7,
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0x58, 0xda, 0x17, 0xe7, 0x4c, 0xa2, 0xbb, 0xc0,
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0x08, 0x13, 0xde, 0x49, 0xa2, 0xb9, 0xbf, 0x83,
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0x4c, 0x02, 0x4e, 0xd4, 0x88, 0x50, 0xbe, 0x69,
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0xb6, 0x8a, 0x9a, 0x4c, 0x5f, 0x53, 0xa9, 0xdb,
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}, false},
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{"strict", seccomp.FlagExt |
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seccomp.FlagDenyNS | seccomp.FlagDenyTTY | seccomp.FlagDenyDevel, []byte{
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0xe8, 0x80, 0x29, 0x8d, 0xf2, 0xbd, 0x67, 0x51,
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0xd0, 0x04, 0x0f, 0xc2, 0x1b, 0xc0, 0xed, 0x4c,
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0x00, 0xf9, 0x5d, 0xc0, 0xd7, 0xba, 0x50, 0x6c,
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0x24, 0x4d, 0x8b, 0x8c, 0xf6, 0x86, 0x6d, 0xba,
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0x8e, 0xf4, 0xa3, 0x32, 0x96, 0xf2, 0x87, 0xb6,
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0x6c, 0xcc, 0xc1, 0xd7, 0x8e, 0x97, 0x02, 0x65,
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0x97, 0xf8, 0x4c, 0xc7, 0xde, 0xc1, 0x57, 0x3e,
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0x14, 0x89, 0x60, 0xfb, 0xd3, 0x5c, 0xd7, 0x35,
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}, false},
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{"strict compat", 0 |
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seccomp.FlagDenyNS | seccomp.FlagDenyTTY | seccomp.FlagDenyDevel, []byte{
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0x39, 0x87, 0x1b, 0x93, 0xff, 0xaf, 0xc8, 0xb9,
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0x79, 0xfc, 0xed, 0xc0, 0xb0, 0xc3, 0x7b, 0x9e,
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0x03, 0x92, 0x2f, 0x5b, 0x02, 0x74, 0x8d, 0xc5,
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0xc3, 0xc1, 0x7c, 0x92, 0x52, 0x7f, 0x6e, 0x02,
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0x2e, 0xde, 0x1f, 0x48, 0xbf, 0xf5, 0x92, 0x46,
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0xea, 0x45, 0x2c, 0x0d, 0x1d, 0xe5, 0x48, 0x27,
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0x80, 0x8b, 0x1a, 0x6f, 0x84, 0xf3, 0x2b, 0xbd,
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0xe1, 0xaa, 0x02, 0xae, 0x30, 0xee, 0xdc, 0xfa,
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}, false},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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seccomp.CPrintln = fmsg.Println
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t.Cleanup(func() { seccomp.CPrintln = nil })
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f, err := seccomp.Export(tc.opts)
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if (err != nil) != tc.wantErr {
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t.Errorf("Export: error = %v, wantErr %v", err, tc.wantErr)
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return
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}
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digest := sha512.New()
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if _, err = io.Copy(digest, f); err != nil {
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t.Fatalf("cannot read filter from tmpfile: %v", err)
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}
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if got := digest.Sum(nil); slices.Compare(got, tc.want) != 0 {
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t.Fatalf("Export() hash = %x, want %x",
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got, tc.want)
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}
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})
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}
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}
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