apparmor.d -> profiles

profiles/dnscrypt-proxy

@@ -0,0 +1,82 @@
+# vim:syntax=apparmor
+# ------------------------------------------------------------------
+#
+#    Copyright (C) 2018-2021 Mikhail Morfikov
+#
+#    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 published by the Free Software Foundation.
+#
+# ------------------------------------------------------------------
+
+abi <abi/3.0>,
+
+include <tunables/global>
+
+@{exec_path} = /{usr/,}sbin/dnscrypt-proxy
+profile dnscrypt-proxy @{exec_path} {
+  include <abstractions/base>
+  include <abstractions/nameservice-strict>
+  include <abstractions/ssl_certs>
+
+  # To bind to the 53 tcp/udp port (when systemd's sockets aren't used).
+  capability net_bind_service,
+
+  # Needed for privilege drop (to run as _dnscrypt-proxy:nogroup).
+  capability setgid,
+  capability setuid,
+
+  # Needed?
+  capability net_admin,
+
+  network inet dgram,
+  network inet6 dgram,
+  network inet stream,
+  network inet6 stream,
+
+  @{exec_path} mrix,
+
+  # dnscrypt-proxy config files
+  /etc/dnscrypt-proxy/ r,
+  /etc/dnscrypt-proxy/dnscrypt-proxy.toml r,
+  /etc/dnscrypt-proxy/whitelist.txt r,
+  /etc/dnscrypt-proxy/blacklist.txt r,
+  /etc/dnscrypt-proxy/cloaking-rules.txt r,
+  /etc/dnscrypt-proxy/forwarding-rules.txt r,
+
+  # This is for the built-in DoH server / Firefox ESNI (Encrypted ClientHello)
+  # See: https://github.com/DNSCrypt/dnscrypt-proxy/wiki/Local-DoH
+  owner /etc/dnscrypt-proxy/localhost.pem r,
+
+  # For downloading the relays.md and public-resolvers.md files (for offline use, which can fix
+  # connectivity issues).
+  owner /etc/dnscrypt-proxy/sf-*.tmp rw,
+  owner /etc/dnscrypt-proxy/relays.md rw,
+  owner /etc/dnscrypt-proxy/relays.md.minisig rw,
+  owner /etc/dnscrypt-proxy/public-resolvers.md rw,
+  owner /etc/dnscrypt-proxy/public-resolvers.md.minisig rw,
+  owner /var/cache/dnscrypt-proxy/sf-*.tmp rw,
+  owner /var/cache/dnscrypt-proxy/relays.md rw,
+  owner /var/cache/dnscrypt-proxy/relays.md.minisig rw,
+  owner /var/cache/dnscrypt-proxy/public-resolvers.md rw,
+  owner /var/cache/dnscrypt-proxy/public-resolvers.md.minisig rw,
+
+  @{PROC}/sys/net/core/somaxconn r,
+  @{PROC}/sys/kernel/hostname r,
+
+  @{sys}/kernel/mm/transparent_hugepage/hpage_pmd_size r,
+
+  # Logs
+  /var/log/dnscrypt-proxy/ r,
+  /var/log/dnscrypt-proxy/*.log w,
+  /var/log/private/dnscrypt-proxy/ rw,
+  /var/log/private/dnscrypt-proxy/*.log w,
+
+  /var/cache/private/dnscrypt-proxy/sf-*.tmp rw,
+  /var/cache/private/dnscrypt-proxy/public-resolvers.md{,.minisig} rw,
+
+  # Needed?
+  deny /etc/ssl/certs/java/ r,
+
+  include if exists <local/dnscrypt-proxy>
+}