apparmor.d/pkg/aa/mount.go
2023-09-29 20:07:29 +01:00

148 lines
3.3 KiB
Go

// apparmor.d - Full set of apparmor profiles
// Copyright (C) 2021-2023 Alexandre Pujol <alexandre@pujol.io>
// SPDX-License-Identifier: GPL-2.0-only
package aa
import "golang.org/x/exp/slices"
type MountConditions struct {
Fs string
Op string
FsType string
Options []string
}
func (m MountConditions) Less(other MountConditions) bool {
if m.Fs == other.Fs {
if m.Op == other.Op {
if m.FsType == other.FsType {
return len(m.Options) < len(other.Options)
}
return m.FsType < other.FsType
}
return m.Op < other.Op
}
return m.Fs < other.Fs
}
func (m MountConditions) Equals(other MountConditions) bool {
return m.Fs == other.Fs && m.Op == other.Op && m.FsType == other.FsType &&
slices.Equal(m.Options, other.Options)
}
type Mount struct {
Qualifier
MountConditions
Source string
MountPoint string
}
func MountFromLog(log map[string]string) ApparmorRule {
return &Mount{
Qualifier: NewQualifierFromLog(log),
MountConditions: MountConditions{
Fs: "",
Op: "",
FsType: log["fstype"],
Options: []string{},
},
Source: log["srcname"],
MountPoint: log["name"],
}
}
func (r *Mount) Less(other any) bool {
o, _ := other.(*Mount)
if r.Qualifier.Equals(o.Qualifier) {
if r.Source == o.Source {
if r.MountPoint == o.MountPoint {
return r.MountConditions.Less(o.MountConditions)
}
return r.MountPoint < o.MountPoint
}
return r.Source < o.Source
}
return r.Qualifier.Less(o.Qualifier)
}
func (r *Mount) Equals(other any) bool {
o, _ := other.(*Mount)
return r.Source == o.Source && r.MountPoint == o.MountPoint &&
r.MountConditions.Equals(o.MountConditions) &&
r.Qualifier.Equals(o.Qualifier)
}
type Umount struct {
Qualifier
MountConditions
MountPoint string
}
func UmountFromLog(log map[string]string) ApparmorRule {
return &Umount{
Qualifier: NewQualifierFromLog(log),
MountConditions: MountConditions{
Fs: "",
Op: "",
FsType: log["fstype"],
Options: []string{},
},
MountPoint: log["name"],
}
}
func (r *Umount) Less(other any) bool {
o, _ := other.(*Umount)
if r.Qualifier.Equals(o.Qualifier) {
if r.MountPoint == o.MountPoint {
return r.MountConditions.Less(o.MountConditions)
}
return r.MountPoint < o.MountPoint
}
return r.Qualifier.Less(o.Qualifier)
}
func (r *Umount) Equals(other any) bool {
o, _ := other.(*Umount)
return r.MountPoint == o.MountPoint &&
r.MountConditions.Equals(o.MountConditions) &&
r.Qualifier.Equals(o.Qualifier)
}
type Remount struct {
Qualifier
MountConditions
MountPoint string
}
func RemountFromLog(log map[string]string) ApparmorRule {
return &Remount{
Qualifier: NewQualifierFromLog(log),
MountConditions: MountConditions{
Fs: "",
Op: "",
FsType: log["fstype"],
Options: []string{},
},
MountPoint: log["name"],
}
}
func (r *Remount) Less(other any) bool {
o, _ := other.(*Remount)
if r.Qualifier.Equals(o.Qualifier) {
if r.MountPoint == o.MountPoint {
return r.MountConditions.Less(o.MountConditions)
}
return r.MountPoint < o.MountPoint
}
return r.Qualifier.Less(o.Qualifier)
}
func (r *Remount) Equals(other any) bool {
o, _ := other.(*Remount)
return r.MountPoint == o.MountPoint &&
r.MountConditions.Equals(o.MountConditions) &&
r.Qualifier.Equals(o.Qualifier)
}