apparmor.d/pkg/aa/io_uring.go
2024-06-29 22:27:39 +01:00

107 lines
2.1 KiB
Go

// apparmor.d - Full set of apparmor profiles
// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
// SPDX-License-Identifier: GPL-2.0-only
package aa
import (
"fmt"
)
const IOURING Kind = "io_uring"
func init() {
requirements[IOURING] = requirement{
"access": []string{"sqpoll", "override_creds"},
}
}
type IOUring struct {
Base
Qualifier
Access []string
Label string
}
func newIOUring(q Qualifier, rule rule) (Rule, error) {
accesses, err := toAccess(IOURING, rule.GetString())
if err != nil {
return nil, err
}
return &IOUring{
Base: newBase(rule),
Qualifier: q,
Access: accesses,
Label: rule.GetValuesAsString("label"),
}, nil
}
func newIOUringFromLog(log map[string]string) Rule {
return &IOUring{
Base: newBaseFromLog(log),
Qualifier: newQualifierFromLog(log),
Access: Must(toAccess(IOURING, log["requested"])),
Label: log["label"],
}
}
func (r *IOUring) Kind() Kind {
return IOURING
}
func (r *IOUring) Constraint() Constraint {
return BlockRule
}
func (r *IOUring) String() string {
return renderTemplate(r.Kind(), r)
}
func (r *IOUring) Validate() error {
if err := validateValues(r.Kind(), "access", r.Access); err != nil {
return fmt.Errorf("%s: %w", r, err)
}
return nil
}
func (r *IOUring) Compare(other Rule) int {
o, _ := other.(*IOUring)
if res := compare(r.Access, o.Access); res != 0 {
return res
}
if res := compare(r.Label, o.Label); res != 0 {
return res
}
return r.Qualifier.Compare(o.Qualifier)
}
func (r *IOUring) Merge(other Rule) bool {
o, _ := other.(*IOUring)
if !r.Qualifier.Equal(o.Qualifier) {
return false
}
if r.Label == o.Label {
r.Access = merge(r.Kind(), "access", r.Access, o.Access)
b := &r.Base
return b.merge(o.Base)
}
return false
}
func (r *IOUring) Lengths() []int {
return []int{
r.Qualifier.getLenAudit(),
r.Qualifier.getLenAccess(),
length("", r.Access),
length("label=", r.Label),
}
}
func (r *IOUring) setPaddings(max []int) {
r.Paddings = append(r.Qualifier.setPaddings(max[:2]), setPaddings(
max[2:], []string{"", "label="},
[]any{r.Access, r.Label})...,
)
}