mirror of
https://github.com/roddhjav/apparmor.d.git
synced 2024-11-14 23:43:56 +01:00
354 lines
10 KiB
Go
354 lines
10 KiB
Go
// aa-log - Review AppArmor generated messages
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// Copyright (C) 2021 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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"os"
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"reflect"
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"strings"
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"testing"
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)
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var refKmod = AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "kmod",
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"operation": "file_inherit",
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"comm": "modprobe",
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"family": "unix",
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"sock_type": "stream",
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"protocol": "0",
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"requested_mask": "send receive",
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},
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}
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var refMan = AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "man",
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"operation": "exec",
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"name": "/usr/bin/preconv",
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"info": "no new privs",
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"comm": "man",
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"requested_mask": "x",
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"denied_mask": "x",
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"error": "-1",
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},
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}
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func TestAppArmorEvents(t *testing.T) {
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tests := []struct {
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name string
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event string
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want AppArmorLogs
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}{
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{
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name: "event_audit_1",
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event: `type=AVC msg=audit(1345027352.096:499): apparmor="ALLOWED" operation="rename_dest" parent=6974 profile="/usr/sbin/httpd2-prefork//vhost_foo" name=2F686F6D652F7777772F666F6F2E6261722E696E2F68747470646F63732F61707061726D6F722F696D616765732F746573742F696D61676520312E6A7067 pid=20143 comm="httpd2-prefork" requested_mask="wc" denied_mask="wc" fsuid=30 ouid=30`,
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "/usr/sbin/httpd2-prefork//vhost_foo",
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"operation": "rename_dest",
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"name": "/home/www/foo.bar.in/httpdocs/apparmor/images/test/image 1.jpg",
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"comm": "httpd2-prefork",
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"requested_mask": "wc",
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"denied_mask": "wc",
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"parent": "6974",
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},
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},
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},
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{
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name: "event_audit_2",
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event: `type=AVC msg=audit(1322614918.292:4376): apparmor="ALLOWED" operation="file_perm" parent=16001 profile=666F6F20626172 name="/home/foo/.bash_history" pid=17011 comm="bash" requested_mask="rw" denied_mask="rw" fsuid=0 ouid=1000`,
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "foo bar",
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"operation": "file_perm",
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"name": "/home/foo/.bash_history",
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"comm": "bash",
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"requested_mask": "rw",
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"denied_mask": "rw",
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"parent": "16001",
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},
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},
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},
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{
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name: "disconnected_path",
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event: `type=AVC msg=audit(1424425690.883:716630): apparmor="ALLOWED" operation="file_mmap" info="Failed name lookup - disconnected path" error=-13 profile="/sbin/klogd" name="var/run/nscd/passwd" pid=25333 comm="id" requested_mask="r" denied_mask="r" fsuid=1002 ouid=0`,
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "/sbin/klogd",
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"operation": "file_mmap",
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"name": "var/run/nscd/passwd",
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"comm": "id",
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"info": "Failed name lookup - disconnected path",
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"requested_mask": "r",
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"denied_mask": "r",
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"error": "-13",
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},
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},
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},
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{
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name: "dbus_system",
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event: `type=USER_AVC msg=audit(1111111111.111:1111): pid=1780 uid=102 auid=4294967295 ses=4294967295 subj=? msg='apparmor="ALLOWED" operation="dbus_method_call" bus="system" path="/org/freedesktop/PolicyKit1/Authority" interface="org.freedesktop.PolicyKit1.Authority" member="CheckAuthorization" mask="send" name="org.freedesktop.PolicyKit1" pid=1794 label="snapd" peer_pid=1790 peer_label="polkitd" exe="/usr/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?'UID="messagebus" AUID="unset" SAUID="messagebus"`,
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "",
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"label": "snapd",
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"operation": "dbus_method_call",
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"name": "org.freedesktop.PolicyKit1",
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"mask": "send",
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"bus": "system",
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"path": "/org/freedesktop/PolicyKit1/Authority",
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"interface": "org.freedesktop.PolicyKit1.Authority",
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"member": "CheckAuthorization",
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"peer_label": "polkitd",
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},
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},
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},
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{
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name: "dbus_session",
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event: `apparmor="ALLOWED" operation="dbus_bind" bus="session" name="org.freedesktop.portal.Documents" mask="bind" pid=2174 label="xdg-document-portal"`,
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "",
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"label": "xdg-document-portal",
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"operation": "dbus_bind",
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"name": "org.freedesktop.portal.Documents",
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"mask": "bind",
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"bus": "session",
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},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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file := strings.NewReader(tt.event)
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if got := NewApparmorLogs(file, ""); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("NewApparmorLogs() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestNewApparmorLogs(t *testing.T) {
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tests := []struct {
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name string
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path string
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want AppArmorLogs
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}{
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{
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name: "dnsmasq",
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path: "../../tests/audit.log",
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want: AppArmorLogs{
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{
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"apparmor": "DENIED",
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"profile": "dnsmasq",
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"operation": "open",
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"name": "/proc/sys/kernel/osrelease",
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"comm": "dnsmasq",
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"requested_mask": "r",
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"denied_mask": "r",
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},
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{
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"apparmor": "DENIED",
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"profile": "dnsmasq",
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"operation": "open",
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"name": "/proc/1/environ",
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"comm": "dnsmasq",
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"requested_mask": "r",
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"denied_mask": "r",
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},
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{
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"apparmor": "DENIED",
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"profile": "dnsmasq",
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"operation": "open",
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"name": "/proc/cmdline",
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"comm": "dnsmasq",
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"requested_mask": "r",
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"denied_mask": "r",
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},
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},
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},
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{
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name: "kmod",
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path: "../../tests/audit.log",
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want: refKmod,
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},
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{
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name: "man",
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path: "../../tests/audit.log",
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want: refMan,
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},
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{
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name: "power-profiles-daemon",
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path: "../../tests/audit.log",
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "",
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"label": "power-profiles-daemon",
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"operation": "dbus_method_call",
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"name": "org.freedesktop.DBus",
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"mask": "send",
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"bus": "system",
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"path": "/org/freedesktop/DBus",
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"interface": "org.freedesktop.DBus",
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"member": "AddMatch",
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"peer_label": "dbus-daemon",
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},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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file, _ := os.Open(tt.path)
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if got := NewApparmorLogs(file, tt.name); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("NewApparmorLogs() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_getJournalctlLogs(t *testing.T) {
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tests := []struct {
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name string
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path string
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useFile bool
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want AppArmorLogs
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}{
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{
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name: "gsd-xsettings",
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useFile: true,
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path: "../../tests/systemd.log",
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want: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "",
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"label": "gsd-xsettings",
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"operation": "dbus_method_call",
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"name": ":1.88",
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"mask": "receive",
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"bus": "session",
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"path": "/org/gtk/Settings",
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"interface": "org.freedesktop.DBus.Properties",
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"member": "GetAll",
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"peer_label": "gnome-extension-ding",
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},
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},
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},
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{
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name: "journalctl",
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useFile: false,
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path: "",
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want: AppArmorLogs{},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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reader, _ := getJournalctlLogs(tt.path, tt.useFile)
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if got := NewApparmorLogs(reader, tt.name); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("NewApparmorLogs() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestAppArmorLogs_String(t *testing.T) {
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tests := []struct {
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name string
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aaLogs AppArmorLogs
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want string
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}{
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{
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name: "kmod",
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aaLogs: refKmod,
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want: "\033[1;32mALLOWED\033[0m \033[34mkmod\033[0m \033[33mfile_inherit\033[0m comm=modprobe family=unix sock_type=stream protocol=0 requested_mask=\033[1;31m\"send receive\"\033[0m\n",
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},
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{
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name: "man",
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aaLogs: refMan,
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want: "\033[1;32mALLOWED\033[0m \033[34mman\033[0m \033[33mexec\033[0m \033[35m/usr/bin/preconv\033[0m info=\"no new privs\" comm=man requested_mask=\033[1;31mx\033[0m denied_mask=\033[1;31mx\033[0m error=-1\n",
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},
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{
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name: "power-profiles-daemon",
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aaLogs: AppArmorLogs{
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{
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"apparmor": "ALLOWED",
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"profile": "",
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"label": "power-profiles-daemon",
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"operation": "dbus_method_call",
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"name": "org.freedesktop.DBus",
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"mask": "send",
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"bus": "system",
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"path": "/org/freedesktop/DBus",
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"interface": "org.freedesktop.DBus",
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"member": "AddMatch",
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"peer_label": "dbus-daemon",
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},
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},
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want: "\033[1;32mALLOWED\033[0m \033[34mpower-profiles-daemon\033[0m \033[33mdbus_method_call\033[0m \033[35morg.freedesktop.DBus\033[0m \033[1;31msend\033[0m \033[36mbus=system\033[0m path=\033[37m/org/freedesktop/DBus\033[0m interface=\033[37morg.freedesktop.DBus\033[0m member=\033[32mAddMatch\033[0m peer_label=dbus-daemon\n",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := tt.aaLogs.String(); got != tt.want {
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t.Errorf("AppArmorLogs.String() = %v, want %v len: %d - %d", got, tt.want, len(got), len(tt.want))
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}
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})
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}
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}
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func Test_app(t *testing.T) {
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tests := []struct {
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name string
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logger string
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path string
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profile string
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wantErr bool
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}{
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{
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name: "Test audit.log",
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logger: "auditd",
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path: "../../tests/audit.log",
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profile: "",
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wantErr: false,
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},
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{
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name: "Test Dbus Session",
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logger: "systemd",
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path: "../../tests/systemd.log",
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profile: "",
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wantErr: false,
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},
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{
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name: "No logfile",
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logger: "auditd",
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path: "../../tests/log",
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profile: "",
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wantErr: true,
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},
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{
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name: "Logger not supported",
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logger: "raw",
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path: "../../tests/audit.log",
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profile: "",
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if err := aaLog(tt.logger, tt.path, tt.profile); (err != nil) != tt.wantErr {
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t.Errorf("aaLog() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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