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model_ebpfless.go
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model_ebpfless.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
//go:build linux
// Package probe holds probe related files
package probe
import (
"strings"
"github.com/DataDog/datadog-agent/pkg/security/secl/compiler/eval"
"github.com/DataDog/datadog-agent/pkg/security/secl/model"
"github.com/DataDog/datadog-agent/pkg/security/secl/rules"
)
// NewEBPFLessModel returns a new model with some extra field validation
func NewEBPFLessModel() *model.Model {
return &model.Model{
ExtraValidateFieldFnc: func(field eval.Field, fieldValue eval.FieldValue) error {
// TODO(safchain) remove this check when multiple model per platform will be supported in the SECL package
if !strings.HasPrefix(field, "exec.") &&
!strings.HasPrefix(field, "exit.") &&
!strings.HasPrefix(field, "open.") &&
!strings.HasPrefix(field, "process.") &&
!strings.HasPrefix(field, "setuid.") &&
!strings.HasPrefix(field, "setgid.") &&
!strings.HasPrefix(field, "setreuid.") &&
!strings.HasPrefix(field, "setregid.") &&
!strings.HasPrefix(field, "setfsuid.") &&
!strings.HasPrefix(field, "setfsgid.") &&
!strings.HasPrefix(field, "capset.") &&
!strings.HasPrefix(field, "rmdir.") &&
!strings.HasPrefix(field, "unlink.") &&
!strings.HasPrefix(field, "rename.") &&
!strings.HasPrefix(field, "mkdir.") &&
!strings.HasPrefix(field, "utimes.") &&
!strings.HasPrefix(field, "link.") &&
!strings.HasPrefix(field, "chmod.") &&
!strings.HasPrefix(field, "chown.") &&
!strings.HasPrefix(field, "load_module.") &&
!strings.HasPrefix(field, "unload_module.") &&
!strings.HasPrefix(field, "container.") &&
!strings.HasPrefix(field, "hash.") &&
!strings.HasPrefix(field, "chdir.") &&
!strings.HasPrefix(field, "mount.") &&
!strings.HasPrefix(field, "umount.") &&
!strings.HasPrefix(field, "event.") {
return rules.ErrEventTypeNotEnabled
}
return nil
},
}
}
// NewEBPFLessEvent returns a new event
func NewEBPFLessEvent(fh *EBPFLessFieldHandlers) *model.Event {
event := model.NewFakeEvent()
event.FieldHandlers = fh
return event
}