mirror of
https://github.com/roddhjav/apparmor.d.git
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119 lines
3 KiB
Go
119 lines
3 KiB
Go
// aa-log - Review AppArmor generated messages
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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 main
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import (
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"flag"
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/roddhjav/apparmor.d/pkg/logs"
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"golang.org/x/exp/slices"
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)
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const usage = `aa-log [-h] [--systemd] [--file file] [--rules | --raw] [profile]
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Review AppArmor generated messages in a colorful way. Supports logs from
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auditd, systemd, syslog as well as dbus session events.
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It can be given an optional profile name to filter the output with.
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Default logs are read from '/var/log/audit/audit.log'. Other files in
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'/var/log/audit/' can easily be checked: 'aa-log -f 1' parses 'audit.log.1'
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Options:
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-h, --help Show this help message and exit.
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-f, --file FILE Set a logfile or a suffix to the default log file.
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-s, --systemd Parse systemd logs from journalctl.
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-r, --rules Convert the log into AppArmor rules.
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-R, --raw Print the raw log without any formatting.
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`
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// Command line options
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var (
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help bool
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rules bool
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path string
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systemd bool
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raw bool
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)
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func aaLog(logger string, path string, profile string) error {
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var err error
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var file io.Reader
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switch logger {
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case "auditd":
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file, err = logs.GetAuditLogs(path)
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case "systemd":
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file, err = logs.GetJournalctlLogs(path, !slices.Contains(logs.LogFiles, path))
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default:
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err = fmt.Errorf("Logger %s not supported.", logger)
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}
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if err != nil {
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return err
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}
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if raw {
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fmt.Print(strings.Join(logs.GetApparmorLogs(file, profile), "\n") + "\n")
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return nil
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}
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aaLogs := logs.NewApparmorLogs(file, profile)
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if rules {
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profiles := aaLogs.ParseToProfiles()
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for _, profile := range profiles {
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profile.MergeRules()
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profile.Sort()
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profile.Format()
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fmt.Print(profile.String() + "\n")
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}
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} else {
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fmt.Print(aaLogs.String())
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}
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return nil
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}
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func init() {
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flag.BoolVar(&help, "h", false, "Show this help message and exit.")
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flag.BoolVar(&help, "help", false, "Show this help message and exit.")
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flag.StringVar(&path, "f", "", "Set a logfile or a suffix to the default log file.")
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flag.StringVar(&path, "file", "", "Set a logfile or a suffix to the default log file.")
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flag.BoolVar(&systemd, "s", false, "Parse systemd logs from journalctl.")
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flag.BoolVar(&systemd, "systemd", false, "Parse systemd logs from journalctl.")
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flag.BoolVar(&rules, "r", false, "Convert the log into AppArmor rules.")
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flag.BoolVar(&rules, "rules", false, "Convert the log into AppArmor rules.")
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flag.BoolVar(&raw, "R", false, "Print the raw log without any formatting.")
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flag.BoolVar(&raw, "raw", false, "Print the raw log without any formatting.")
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}
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func main() {
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flag.Usage = func() { fmt.Print(usage) }
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flag.Parse()
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if help {
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flag.Usage()
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os.Exit(0)
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}
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profile := ""
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if len(flag.Args()) >= 1 {
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profile = flag.Args()[0]
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}
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logger := "auditd"
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if systemd {
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logger = "systemd"
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}
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path = logs.SelectLogFile(path)
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err := aaLog(logger, path, profile)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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