mirror of
https://github.com/roddhjav/apparmor.d.git
synced 2024-11-14 23:43:56 +01:00
122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
// apparmor.d - Full set of apparmor profiles
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// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
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// SPDX-License-Identifier: GPL-2.0-only
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package aa
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import (
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"strings"
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)
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type RuleBase struct {
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IsLineRule bool
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Comment string
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NoNewPrivs bool
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FileInherit bool
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Prefix string
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Padding string
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Optional bool
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}
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func newRule(rule []string) RuleBase {
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comment := ""
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fileInherit, noNewPrivs, optional := false, false, false
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idx := 0
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for idx < len(rule) {
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if rule[idx] == COMMENT.Tok() {
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comment = " " + strings.Join(rule[idx+1:], " ")
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break
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}
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idx++
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}
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switch {
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case strings.Contains(comment, "file_inherit"):
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fileInherit = true
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comment = strings.Replace(comment, "file_inherit ", "", 1)
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case strings.HasPrefix(comment, "no new privs"):
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noNewPrivs = true
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comment = strings.Replace(comment, "no new privs ", "", 1)
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case strings.Contains(comment, "optional:"):
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optional = true
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comment = strings.Replace(comment, "optional: ", "", 1)
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}
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return RuleBase{
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Comment: comment,
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NoNewPrivs: noNewPrivs,
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FileInherit: fileInherit,
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Optional: optional,
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}
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}
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func newRuleFromLog(log map[string]string) RuleBase {
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comment := ""
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fileInherit, noNewPrivs, optional := false, false, false
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if log["operation"] == "file_inherit" {
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fileInherit = true
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}
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if log["error"] == "-1" {
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if strings.Contains(log["info"], "optional:") {
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optional = true
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comment = strings.Replace(log["info"], "optional: ", "", 1)
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} else {
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noNewPrivs = true
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}
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}
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if log["info"] != "" {
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comment += " " + log["info"]
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}
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return RuleBase{
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IsLineRule: false,
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Comment: comment,
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NoNewPrivs: noNewPrivs,
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FileInherit: fileInherit,
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Optional: optional,
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}
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}
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func (r RuleBase) Less(other any) bool {
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return false
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}
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func (r RuleBase) Equals(other any) bool {
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return false
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}
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func (r RuleBase) String() string {
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return renderTemplate(r.Kind(), r)
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}
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func (r RuleBase) Constraint() constraint {
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return anyKind
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}
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func (r RuleBase) Kind() Kind {
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return COMMENT
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}
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type Qualifier struct {
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Audit bool
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AccessType string
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}
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func newQualifierFromLog(log map[string]string) Qualifier {
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audit := false
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if log["apparmor"] == "AUDIT" {
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audit = true
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}
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return Qualifier{Audit: audit}
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}
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func (r Qualifier) Less(other Qualifier) bool {
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if r.Audit != other.Audit {
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return r.Audit
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}
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return r.AccessType < other.AccessType
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}
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func (r Qualifier) Equals(other Qualifier) bool {
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return r.Audit == other.Audit && r.AccessType == other.AccessType
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}
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