/usr/sbin/aa-unconfined is in apparmor-utils 2.8.95~2430-0ubuntu5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | #!/usr/bin/python3
# ----------------------------------------------------------------------
# Copyright (C) 2013 Kshitij Gupta <kgupta8592@gmail.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# ----------------------------------------------------------------------
import argparse
import os
import re
import sys
import apparmor.aa as aa
import apparmor.ui as ui
import apparmor.common
# setup module translations
from apparmor.translations import init_translation
_ = init_translation()
parser = argparse.ArgumentParser(description=_("Lists unconfined processes having tcp or udp ports"))
parser.add_argument("--paranoid", action="store_true", help=_("scan all processes from /proc"))
args = parser.parse_args()
paranoid = args.paranoid
aa_mountpoint = aa.check_for_apparmor()
if not aa_mountpoint:
raise aa.AppArmorException(_("It seems AppArmor was not started. Please enable AppArmor and try again."))
pids = []
if paranoid:
pids = list(filter(lambda x: re.search(r"^\d+$", x), aa.get_subdirectories("/proc")))
else:
regex_tcp_udp = re.compile(r"^(tcp|udp)\s+\d+\s+\d+\s+\S+\:(\d+)\s+\S+\:(\*|\d+)\s+(LISTEN|\s+)\s+(\d+)\/(\S+)")
import subprocess
if sys.version_info < (3, 0):
output = subprocess.check_output("LANG=C netstat -nlp", shell=True).split("\n")
else:
#Python3 needs to translate a stream of bytes to string with specified encoding
output = str(subprocess.check_output("LANG=C netstat -nlp", shell=True), encoding='utf8').split("\n")
for line in output:
match = regex_tcp_udp.search(line)
if match:
pids.append(match.groups()[4])
# We can safely remove duplicate pid's?
pids = list(map(int, set(pids)))
for pid in sorted(pids):
try:
prog = os.readlink("/proc/%s/exe"%pid)
except OSError:
continue
attr = None
if os.path.exists("/proc/%s/attr/current"%pid):
with aa.open_file_read("/proc/%s/attr/current"%pid) as current:
for line in current:
if line.startswith("/") or line.startswith("null"):
attr = line.strip()
cmdline = apparmor.common.cmd(["cat", "/proc/%s/cmdline"%pid])[1]
pname = cmdline.split("\0")[0]
if '/' in pname and pname != prog:
pname = "(%s)"% pname
else:
pname = ""
regex_interpreter = re.compile(r"^(/usr)?/bin/(python|perl|bash|dash|sh)$")
if not attr:
if regex_interpreter.search(prog):
cmdline = re.sub(r"\x00", " ", cmdline)
cmdline = re.sub(r"\s+$", "", cmdline).strip()
ui.UI_Info(_("%s %s (%s) not confined")%(pid, prog, cmdline))
else:
if pname and pname[-1] == ')':
pname += ' '
ui.UI_Info(_("%s %s %snot confined")%(pid, prog, pname))
else:
if regex_interpreter.search(prog):
cmdline = re.sub(r"\0", " ", cmdline)
cmdline = re.sub(r"\s+$", "", cmdline).strip()
ui.UI_Info(_("%s %s (%s) confined by '%s'")%(pid, prog, cmdline, attr))
else:
if pname and pname[-1] == ')':
pname += ' '
ui.UI_Info(_("%s %s %sconfined by '%s'")%(pid, prog, pname, attr))
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