apparmor: fix and improve the service
This commit is contained in:
Julien Moutinho
@@ -0,0 +1,301 @@
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{ config, lib, pkgs, ... }:
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let
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inherit (builtins) attrNames hasAttr isAttrs;
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inherit (lib) getLib;
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inherit (config.environment) etc;
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etcRule = arg:
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let go = {path ? null, mode ? "r", trail ? ""}:
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lib.optionalString (hasAttr path etc)
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"${mode} ${config.environment.etc.${path}.source}${trail},";
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in if isAttrs arg
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then go arg
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else go {path=arg;};
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in
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{
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# FIXME: most of the etcRule calls below have been
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# written systematically by converting from apparmor-profiles's profiles
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# without testing nor deep understanding of their uses,
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# and thus may need more rules or can have less rules;
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# this remains to be determined case by case,
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# some may even be completely useless.
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config.security.apparmor.includes = {
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# This one is included by <tunables/global>
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# which is usualy included before any profile.
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"abstractions/tunables/alias" = ''
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alias /bin -> /run/current-system/sw/bin,
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alias /lib/modules -> /run/current-system/kernel/lib/modules,
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alias /sbin -> /run/current-system/sw/sbin,
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alias /usr -> /run/current-system/sw,
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'';
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"abstractions/audio" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/audio"
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${etcRule "asound.conf"}
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${etcRule "esound/esd.conf"}
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${etcRule "libao.conf"}
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${etcRule {path="pulse"; trail="/";}}
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${etcRule {path="pulse"; trail="/**";}}
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${etcRule {path="sound"; trail="/";}}
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${etcRule {path="sound"; trail="/**";}}
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${etcRule {path="alsa/conf.d"; trail="/";}}
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${etcRule {path="alsa/conf.d"; trail="/*";}}
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${etcRule "openal/alsoft.conf"}
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${etcRule "wildmidi/wildmidi.conf"}
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'';
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"abstractions/authentication" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/authentication"
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# Defined in security.pam
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include <abstractions/pam>
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${etcRule "nologin"}
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${etcRule "securetty"}
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${etcRule {path="security"; trail="/*";}}
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${etcRule "shadow"}
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${etcRule "gshadow"}
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${etcRule "pwdb.conf"}
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${etcRule "default/passwd"}
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${etcRule "login.defs"}
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'';
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"abstractions/base" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/base"
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r ${pkgs.stdenv.cc.libc}/share/locale/**,
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r ${pkgs.stdenv.cc.libc}/share/locale.alias,
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${lib.optionalString (pkgs.glibcLocales != null) "r ${pkgs.glibcLocales}/lib/locale/locale-archive,"}
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${etcRule "localtime"}
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r ${pkgs.tzdata}/share/zoneinfo/**,
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r ${pkgs.stdenv.cc.libc}/share/i18n/**,
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'';
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"abstractions/bash" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/bash"
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# system-wide bash configuration
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${etcRule "profile.dos"}
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${etcRule "profile"}
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${etcRule "profile.d"}
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${etcRule {path="profile.d"; trail="/*";}}
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${etcRule "bashrc"}
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${etcRule "bash.bashrc"}
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${etcRule "bash.bashrc.local"}
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${etcRule "bash_completion"}
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${etcRule "bash_completion.d"}
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${etcRule {path="bash_completion.d"; trail="/*";}}
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# bash relies on system-wide readline configuration
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${etcRule "inputrc"}
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# bash inspects filesystems at startup
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# and /etc/mtab is linked to /proc/mounts
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@{PROC}/mounts
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# run out of /etc/bash.bashrc
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${etcRule "DIR_COLORS"}
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'';
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"abstractions/cups-client" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/cpus-client"
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${etcRule "cups/cups-client.conf"}
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'';
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"abstractions/consoles" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/consoles"
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'';
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"abstractions/dbus-session-strict" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dbus-session-strict"
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${etcRule "machine-id"}
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'';
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"abstractions/dconf" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dconf"
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${etcRule {path="dconf"; trail="/**";}}
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'';
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"abstractions/dri-common" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/dri-common"
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${etcRule "drirc"}
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'';
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# The config.fonts.fontconfig NixOS module adds many files to /etc/fonts/
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# by symlinking them but without exporting them outside of its NixOS module,
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# those are therefore added there to this "abstractions/fonts".
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"abstractions/fonts" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/fonts"
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${etcRule {path="fonts"; trail="/**";}}
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'';
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"abstractions/gnome" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/gnome"
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${etcRule {path="gnome"; trail="/gtkrc*";}}
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${etcRule {path="gtk"; trail="/*";}}
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${etcRule {path="gtk-2.0"; trail="/*";}}
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${etcRule {path="gtk-3.0"; trail="/*";}}
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${etcRule "orbitrc"}
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include <abstractions/fonts>
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${etcRule {path="pango"; trail="/*";}}
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${etcRule {path="/etc/gnome-vfs-2.0"; trail="/modules/";}}
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${etcRule {path="/etc/gnome-vfs-2.0"; trail="/modules/*";}}
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${etcRule "papersize"}
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${etcRule {path="cups"; trail="/lpoptions";}}
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${etcRule {path="gnome"; trail="/defaults.list";}}
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${etcRule {path="xdg"; trail="/{,*-}mimeapps.list";}}
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${etcRule "xdg/mimeapps.list"}
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'';
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"abstractions/kde" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kde"
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${etcRule {path="qt3"; trail="/kstylerc";}}
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${etcRule {path="qt3"; trail="/qt_plugins_3.3rc";}}
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${etcRule {path="qt3"; trail="/qtrc";}}
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${etcRule "kderc"}
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${etcRule {path="kde3"; trail="/*";}}
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${etcRule "kde4rc"}
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${etcRule {path="xdg"; trail="/kdeglobals";}}
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${etcRule {path="xdg"; trail="/Trolltech.conf";}}
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'';
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"abstractions/kerberosclient" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kerberosclient"
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${etcRule {path="krb5.keytab"; mode="rk";}}
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${etcRule "krb5.conf"}
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${etcRule "krb5.conf.d"}
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${etcRule {path="krb5.conf.d"; trail="/*";}}
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# config files found via strings on libs
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${etcRule "krb.conf"}
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${etcRule "krb.realms"}
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${etcRule "srvtab"}
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'';
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"abstractions/ldapclient" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/ldapclient"
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${etcRule "ldap.conf"}
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${etcRule "ldap.secret"}
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${etcRule {path="openldap"; trail="/*";}}
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${etcRule {path="openldap"; trail="/cacerts/*";}}
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${etcRule {path="sasl2"; trail="/*";}}
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'';
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"abstractions/likewise" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/likewise"
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'';
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"abstractions/mdns" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/mdns"
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${etcRule "nss_mdns.conf"}
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'';
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"abstractions/nameservice" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nameservice"
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# Many programs wish to perform nameservice-like operations, such as
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# looking up users by name or id, groups by name or id, hosts by name
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# or IP, etc. These operations may be performed through files, dns,
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# NIS, NIS+, LDAP, hesiod, wins, etc. Allow them all here.
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${etcRule "group"}
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${etcRule "host.conf"}
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${etcRule "hosts"}
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${etcRule "nsswitch.conf"}
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${etcRule "gai.conf"}
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${etcRule "passwd"}
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${etcRule "protocols"}
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# libtirpc (used for NIS/YP login) needs this
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${etcRule "netconfig"}
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${etcRule "resolv.conf"}
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${etcRule {path="samba"; trail="/lmhosts";}}
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${etcRule "services"}
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${etcRule "default/nss"}
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# libnl-3-200 via libnss-gw-name
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${etcRule {path="libnl"; trail="/classid";}}
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${etcRule {path="libnl-3"; trail="/classid";}}
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mr ${getLib pkgs.nss}/lib/libnss_*.so*,
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mr ${getLib pkgs.nss}/lib64/libnss_*.so*,
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'';
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"abstractions/nis" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nis"
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'';
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"abstractions/nvidia" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/nvidia"
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${etcRule "vdpau_wrapper.cfg"}
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'';
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"abstractions/opencl-common" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/opencl-common"
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${etcRule {path="OpenCL"; trail="/**";}}
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'';
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"abstractions/opencl-mesa" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/opencl-mesa"
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${etcRule "default/drirc"}
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'';
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"abstractions/openssl" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/openssl"
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${etcRule {path="ssl"; trail="/openssl.cnf";}}
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'';
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"abstractions/p11-kit" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/p11-kit"
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${etcRule {path="pkcs11"; trail="/";}}
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${etcRule {path="pkcs11"; trail="/pkcs11.conf";}}
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${etcRule {path="pkcs11"; trail="/modules/";}}
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${etcRule {path="pkcs11"; trail="/modules/*";}}
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'';
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"abstractions/perl" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/perl"
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${etcRule {path="perl"; trail="/**";}}
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'';
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"abstractions/php" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/php"
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${etcRule {path="php"; trail="/**/";}}
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${etcRule {path="php5"; trail="/**/";}}
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${etcRule {path="php7"; trail="/**/";}}
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${etcRule {path="php"; trail="/**.ini";}}
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${etcRule {path="php5"; trail="/**.ini";}}
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${etcRule {path="php7"; trail="/**.ini";}}
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'';
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"abstractions/postfix-common" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/postfix-common"
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${etcRule "mailname"}
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${etcRule {path="postfix"; trail="/*.cf";}}
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${etcRule "postfix/main.cf"}
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${etcRule "postfix/master.cf"}
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'';
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"abstractions/python" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/python"
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'';
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"abstractions/qt5" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/qt5"
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${etcRule {path="xdg"; trail="/QtProject/qtlogging.ini";}}
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${etcRule {path="xdg/QtProject"; trail="/qtlogging.ini";}}
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${etcRule "xdg/QtProject/qtlogging.ini"}
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'';
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"abstractions/samba" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/samba"
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${etcRule {path="samba"; trail="/*";}}
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'';
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"abstractions/ssl_certs" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/ssl_certs"
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${etcRule "ssl/certs/ca-certificates.crt"}
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${etcRule "ssl/certs/ca-bundle.crt"}
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${etcRule "pki/tls/certs/ca-bundle.crt"}
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${etcRule {path="ssl/trust"; trail="/";}}
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${etcRule {path="ssl/trust"; trail="/*";}}
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${etcRule {path="ssl/trust/anchors"; trail="/";}}
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${etcRule {path="ssl/trust/anchors"; trail="/**";}}
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${etcRule {path="pki/trust"; trail="/";}}
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${etcRule {path="pki/trust"; trail="/*";}}
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${etcRule {path="pki/trust/anchors"; trail="/";}}
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${etcRule {path="pki/trust/anchors"; trail="/**";}}
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# security.acme NixOS module
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r /var/lib/acme/*/cert.pem,
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r /var/lib/acme/*/chain.pem,
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r /var/lib/acme/*/fullchain.pem,
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'';
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"abstractions/ssl_keys" = ''
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# security.acme NixOS module
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r /var/lib/acme/*/full.pem,
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r /var/lib/acme/*/key.pem,
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'';
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"abstractions/vulkan" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/vulkan"
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${etcRule {path="vulkan/icd.d"; trail="/";}}
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${etcRule {path="vulkan/icd.d"; trail="/*.json";}}
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'';
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"abstractions/winbind" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/winbind"
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${etcRule {path="samba"; trail="/smb.conf";}}
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${etcRule {path="samba"; trail="/dhcp.conf";}}
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'';
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"abstractions/X" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/X"
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${etcRule {path="X11/cursors"; trail="/";}}
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${etcRule {path="X11/cursors"; trail="/**";}}
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'';
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};
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}
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@@ -0,0 +1,11 @@
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{ config, lib, pkgs, ... }:
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let apparmor = config.security.apparmor; in
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{
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config.security.apparmor.packages = [ pkgs.apparmor-profiles ];
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config.security.apparmor.policies."bin.ping".profile = lib.mkIf apparmor.policies."bin.ping".enable ''
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include "${pkgs.iputils.apparmor}/bin.ping"
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include "${pkgs.inetutils.apparmor}/bin.ping"
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# Note that including those two profiles in the same profile
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# would not work if the second one were to re-include <tunables/global>.
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'';
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}
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Reference in New Issue
Block a user