apparmor.d/pkg/aa/mqueue.go
2024-06-19 23:22:49 +01:00

111 lines
2.3 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"
"slices"
"strings"
)
const MQUEUE Kind = "mqueue"
func init() {
requirements[MQUEUE] = requirement{
"access": []string{
"r", "w", "rw", "read", "write", "create", "open",
"delete", "getattr", "setattr",
},
"type": []string{"posix", "sysv"},
}
}
type Mqueue struct {
RuleBase
Qualifier
Access []string
Type string
Label string
Name string
}
func newMqueue(q Qualifier, rule rule) (Rule, error) {
access, name := "", ""
r := rule.GetSlice()
size := len(r)
if size > 0 {
access = strings.Join(r[:size-1], " ")
name = r[size-1]
if slices.Contains(requirements[MQUEUE]["access"], name) {
access += " " + name
}
}
accesses, err := toAccess(MQUEUE, access)
if err != nil {
return nil, err
}
return &Mqueue{
RuleBase: newBase(rule),
Qualifier: q,
Access: accesses,
Type: rule.GetValuesAsString("type"),
Label: rule.GetValuesAsString("label"),
Name: name,
}, nil
}
func newMqueueFromLog(log map[string]string) Rule {
mqueueType := "posix"
if strings.Contains(log["class"], "posix") {
mqueueType = "posix"
} else if strings.Contains(log["class"], "sysv") {
mqueueType = "sysv"
}
return &Mqueue{
RuleBase: newBaseFromLog(log),
Qualifier: newQualifierFromLog(log),
Access: Must(toAccess(MQUEUE, log["requested"])),
Type: mqueueType,
Label: log["label"],
Name: log["name"],
}
}
func (r *Mqueue) Validate() error {
if err := validateValues(r.Kind(), "access", r.Access); err != nil {
return fmt.Errorf("%s: %w", r, err)
}
if err := validateValues(r.Kind(), "type", []string{r.Type}); err != nil {
return fmt.Errorf("%s: %w", r, err)
}
return nil
}
func (r *Mqueue) Compare(other Rule) int {
o, _ := other.(*Mqueue)
if res := compare(r.Access, o.Access); res != 0 {
return res
}
if res := compare(r.Type, o.Type); res != 0 {
return res
}
if res := compare(r.Label, o.Label); res != 0 {
return res
}
return r.Qualifier.Compare(o.Qualifier)
}
func (r *Mqueue) String() string {
return renderTemplate(r.Kind(), r)
}
func (r *Mqueue) Constraint() constraint {
return blockKind
}
func (r *Mqueue) Kind() Kind {
return MQUEUE
}