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mprotect.go
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mprotect.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 kfilters holds kfilters related files
package kfilters
import (
"fmt"
"github.com/DataDog/datadog-agent/pkg/security/secl/compiler/eval"
"github.com/DataDog/datadog-agent/pkg/security/secl/rules"
)
var mprotectCapabilities = Capabilities{
"mprotect.req_protection": {
PolicyFlags: PolicyFlagFlags,
FieldValueTypes: eval.ScalarValueType | eval.BitmaskValueType,
},
"mprotect.vm_protection": {
PolicyFlags: PolicyFlagFlags,
FieldValueTypes: eval.ScalarValueType | eval.BitmaskValueType,
},
}
func mprotectOnNewApprovers(approvers rules.Approvers) (ActiveApprovers, error) {
var mprotectApprovers []activeApprover
for field, values := range approvers {
switch field {
case "mprotect.vm_protection":
approver, err := approveFlags("mprotect_vm_protection_approvers", intValues[int32](values)...)
if err != nil {
return nil, err
}
mprotectApprovers = append(mprotectApprovers, approver)
case "mprotect.req_protection":
approver, err := approveFlags("mprotect_req_protection_approvers", intValues[int32](values)...)
if err != nil {
return nil, err
}
mprotectApprovers = append(mprotectApprovers, approver)
default:
return nil, fmt.Errorf("unknown field '%s'", field)
}
}
return newActiveKFilters(mprotectApprovers...), nil
}