{
config,
lib,
pkgs,
...
}:
let
inherit (builtins) attrNames hasAttr isAttrs;
inherit (lib) getLib;
inherit (config.environment) etc;
# Utility to generate an AppArmor rule
# only when the given path exists in config.environment.etc
etcRule =
arg:
go =
path ? null,
mode ? "r",
trail ? "",
lib.optionalString (hasAttr path etc) "${mode} ${config.environment.etc.${path}.source}${trail},";
in
if isAttrs arg then go arg else go { path = arg; };
# FIXME: most of the etcRule calls below have been
# written systematically by converting from apparmor-profiles's profiles
# without testing nor deep understanding of their uses,
# and thus may need more rules or can have less rules;
# this remains to be determined case by case,
# some may even be completely useless.
config.security.apparmor.includes = {
# This one is included by <tunables/global>
# which is usually included before any profile.
"abstractions/tunables/alias" = ''
alias /bin -> /run/current-system/sw/bin,
alias /lib/modules -> /run/current-system/kernel/lib/modules,
alias /sbin -> /run/current-system/sw/sbin,
alias /usr -> /run/current-system/sw,
'';
"abstractions/audio" =
''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/audio"
+ lib.concatMapStringsSep "\n" etcRule [
"asound.conf"
"esound/esd.conf"
"libao.conf"
path = "pulse";
trail = "/";
}
trail = "/**";
path = "sound";
path = "alsa/conf.d";
trail = "/*";
"openal/alsoft.conf"
"wildmidi/wildmidi.conf"
];
"abstractions/authentication" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/authentication"
# Defined in security.pam
include <abstractions/pam>
"nologin"
"securetty"
path = "security";
"shadow"
"gshadow"
"pwdb.conf"
"default/passwd"
"login.defs"
"abstractions/base" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/base"
r ${pkgs.stdenv.cc.libc}/share/locale/**,
r ${pkgs.stdenv.cc.libc}/share/locale.alias,
r ${config.i18n.glibcLocales}/lib/locale/locale-archive,
${etcRule "localtime"}
r ${pkgs.tzdata}/share/zoneinfo/**,
r ${pkgs.stdenv.cc.libc}/share/i18n/**,
"abstractions/bash" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/bash"
# bash inspects filesystems at startup
# and /etc/mtab is linked to /proc/mounts
r @{PROC}/mounts,
# system-wide bash configuration
"profile.dos"
"profile"
"profile.d"
path = "profile.d";
"bashrc"
"bash.bashrc"
"bash.bashrc.local"
"bash_completion"
"bash_completion.d"
path = "bash_completion.d";
# bash relies on system-wide readline configuration
"inputrc"
# run out of /etc/bash.bashrc
"DIR_COLORS"
"abstractions/consoles" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/consoles"
"abstractions/cups-client" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/cups-client"
${etcRule "cups/cups-client.conf"}
"abstractions/dbus-session-strict" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dbus-session-strict"
${etcRule "machine-id"}
"abstractions/dconf" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dconf"
${etcRule {
path = "dconf";
}}
"abstractions/dri-common" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dri-common"
${etcRule "drirc"}
# The config.fonts.fontconfig NixOS module adds many files to /etc/fonts/
# by symlinking them but without exporting them outside of its NixOS module,
# those are therefore added there to this "abstractions/fonts".
"abstractions/fonts" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/fonts"
path = "fonts";
"abstractions/gnome" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/gnome"
include <abstractions/fonts>
path = "gnome";
trail = "/gtkrc*";
path = "gtk";
path = "gtk-2.0";
path = "gtk-3.0";
"orbitrc"
path = "pango";
path = "/etc/gnome-vfs-2.0";
trail = "/modules/";
trail = "/modules/*";
"papersize"
path = "cups";
trail = "/lpoptions";
trail = "/defaults.list";
path = "xdg";
trail = "/{,*-}mimeapps.list";
"xdg/mimeapps.list"
"abstractions/kde" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kde"
path = "qt3";
trail = "/kstylerc";
trail = "/qt_plugins_3.3rc";
trail = "/qtrc";
"kderc"
path = "kde3";
"kde4rc"
trail = "/kdeglobals";
trail = "/Trolltech.conf";
"abstractions/kerberosclient" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kerberosclient"
path = "krb5.keytab";
mode = "rk";
"krb5.conf"
"krb5.conf.d"
path = "krb5.conf.d";
# config files found via strings on libs
"krb.conf"
"krb.realms"
"srvtab"
"abstractions/ldapclient" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/ldapclient"
"ldap.conf"
"ldap.secret"
path = "openldap";
trail = "/cacerts/*";
path = "sasl2";
"abstractions/likewise" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/likewise"
"abstractions/mdns" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/mdns"
${etcRule "nss_mdns.conf"}
"abstractions/nameservice" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nameservice"
# Many programs wish to perform nameservice-like operations, such as
# looking up users by name or id, groups by name or id, hosts by name
# or IP, etc. These operations may be performed through files, dns,
# NIS, NIS+, LDAP, hesiod, wins, etc. Allow them all here.
mr ${getLib pkgs.nss}/lib/libnss_*.so*,
mr ${getLib pkgs.nss}/lib64/libnss_*.so*,
"group"
"host.conf"
"hosts"
"nsswitch.conf"
"gai.conf"
"passwd"
"protocols"
# libtirpc (used for NIS/YP login) needs this
"netconfig"
"resolv.conf"
path = "samba";
trail = "/lmhosts";
"services"
"default/nss"
# libnl-3-200 via libnss-gw-name
path = "libnl";
trail = "/classid";
path = "libnl-3";
"abstractions/nis" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nis"
"abstractions/nss-systemd" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nss-systemd"
"abstractions/nvidia" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nvidia"
${etcRule "vdpau_wrapper.cfg"}
"abstractions/opencl-common" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/opencl-common"
path = "OpenCL";
"abstractions/opencl-mesa" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/opencl-mesa"
${etcRule "default/drirc"}
"abstractions/openssl" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/openssl"
path = "ssl";
trail = "/openssl.cnf";
"abstractions/p11-kit" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/p11-kit"
path = "pkcs11";
trail = "/pkcs11.conf";
"abstractions/perl" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/perl"
path = "perl";
"abstractions/php" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/php"
path = "php";
trail = "/**/";
path = "php5";
path = "php7";
trail = "/**.ini";
"abstractions/postfix-common" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/postfix-common"
"mailname"
path = "postfix";
trail = "/*.cf";
"postfix/main.cf"
"postfix/master.cf"
"abstractions/python" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/python"
"abstractions/qt5" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/qt5"
trail = "/QtProject/qtlogging.ini";
path = "xdg/QtProject";
trail = "/qtlogging.ini";
"xdg/QtProject/qtlogging.ini"
"abstractions/samba" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/samba"
"abstractions/ssl_certs" =
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/ssl_certs"
# For the NixOS module: security.acme
r /var/lib/acme/*/cert.pem,
r /var/lib/acme/*/chain.pem,
r /var/lib/acme/*/fullchain.pem,
r /etc/pki/tls/certs/,
"ssl/certs/ca-certificates.crt"
"ssl/certs/ca-bundle.crt"
"pki/tls/certs/ca-bundle.crt"
path = "ssl/trust";
path = "ssl/trust/anchors";
path = "pki/trust";
path = "pki/trust/anchors";
"abstractions/ssl_keys" = ''
# security.acme NixOS module
r /var/lib/acme/*/full.pem,
r /var/lib/acme/*/key.pem,
"abstractions/vulkan" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/vulkan"
path = "vulkan/icd.d";
trail = "/*.json";
"abstractions/winbind" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/winbind"
trail = "/smb.conf";
trail = "/dhcp.conf";
"abstractions/X" = ''
include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/X"
path = "X11/cursors";
};