apparmor.d/pkg/aa/ptrace.go
Alexandre Pujol 4cbacc186c
feat(aa): rule interface: replace less & equal by the compare method.
- set a new alphabet order to sort AARE based string.
- unify compare function for all rules
- handle some special sort order, eg: base include
2024-06-19 18:34:58 +01:00

66 lines
1.2 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 PTRACE Kind = "ptrace"
func init() {
requirements[PTRACE] = requirement{
"access": []string{
"r", "w", "rw", "read", "readby", "trace", "tracedby",
},
}
}
type Ptrace struct {
RuleBase
Qualifier
Access []string
Peer string
}
func newPtraceFromLog(log map[string]string) Rule {
return &Ptrace{
RuleBase: newRuleFromLog(log),
Qualifier: newQualifierFromLog(log),
Access: Must(toAccess(PTRACE, log["requested_mask"])),
Peer: log["peer"],
}
}
func (r *Ptrace) Validate() error {
if err := validateValues(r.Kind(), "access", r.Access); err != nil {
return fmt.Errorf("%s: %w", r, err)
}
return nil
}
func (r *Ptrace) Compare(other Rule) int {
o, _ := other.(*Ptrace)
if res := compare(r.Access, o.Access); res != 0 {
return res
}
if res := compare(r.Peer, o.Peer); res != 0 {
return res
}
return r.Qualifier.Compare(o.Qualifier)
}
func (r *Ptrace) String() string {
return renderTemplate(r.Kind(), r)
}
func (r *Ptrace) Constraint() constraint {
return blockKind
}
func (r *Ptrace) Kind() Kind {
return PTRACE
}