317 lines
11 KiB
Nix
317 lines
11 KiB
Nix
{ 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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# Utility to generate an AppArmor rule
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# only when the given path exists in 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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'' + lib.concatMapStringsSep "\n" etcRule [
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"asound.conf"
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"esound/esd.conf"
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"libao.conf"
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{ path = "pulse"; trail = "/"; }
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{ path = "pulse"; trail = "/**"; }
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{ path = "sound"; trail = "/"; }
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{ path = "sound"; trail = "/**"; }
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{ path = "alsa/conf.d"; trail = "/"; }
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{ path = "alsa/conf.d"; trail = "/*"; }
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"openal/alsoft.conf"
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"wildmidi/wildmidi.conf"
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];
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"abstractions/authentication" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/authentication"
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# Defined in security.pam
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include <abstractions/pam>
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'' + lib.concatMapStringsSep "\n" etcRule [
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"nologin"
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"securetty"
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{ path = "security"; trail = "/*"; }
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"shadow"
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"gshadow"
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"pwdb.conf"
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"default/passwd"
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"login.defs"
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];
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"abstractions/base" = ''
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include "${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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# 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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# system-wide bash configuration
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'' + lib.concatMapStringsSep "\n" etcRule [
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"profile.dos"
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"profile"
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"profile.d"
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{ path = "profile.d"; trail = "/*"; }
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"bashrc"
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"bash.bashrc"
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"bash.bashrc.local"
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"bash_completion"
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"bash_completion.d"
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{ path = "bash_completion.d"; trail = "/*"; }
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# bash relies on system-wide readline configuration
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"inputrc"
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# run out of /etc/bash.bashrc
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"DIR_COLORS"
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];
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"abstractions/consoles" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/consoles"
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'';
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"abstractions/cups-client" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/cups-client"
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${etcRule "cups/cups-client.conf"}
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'';
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"abstractions/dbus-session-strict" = ''
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include "${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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include <abstractions/fonts>
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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "gnome"; trail = "/gtkrc*"; }
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{ path = "gtk"; trail = "/*"; }
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{ path = "gtk-2.0"; trail = "/*"; }
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{ path = "gtk-3.0"; trail = "/*"; }
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"orbitrc"
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{ path = "pango"; trail = "/*"; }
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{ path = "/etc/gnome-vfs-2.0"; trail = "/modules/"; }
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{ path = "/etc/gnome-vfs-2.0"; trail = "/modules/*"; }
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"papersize"
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{ path = "cups"; trail = "/lpoptions"; }
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{ path = "gnome"; trail = "/defaults.list"; }
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{ path = "xdg"; trail = "/{,*-}mimeapps.list"; }
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"xdg/mimeapps.list"
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];
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"abstractions/kde" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kde"
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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "qt3"; trail = "/kstylerc"; }
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{ path = "qt3"; trail = "/qt_plugins_3.3rc"; }
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{ path = "qt3"; trail = "/qtrc"; }
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"kderc"
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{ path = "kde3"; trail = "/*"; }
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"kde4rc"
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{ path = "xdg"; trail = "/kdeglobals"; }
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{ path = "xdg"; trail = "/Trolltech.conf"; }
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];
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"abstractions/kerberosclient" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/kerberosclient"
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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "krb5.keytab"; mode="rk"; }
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"krb5.conf"
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"krb5.conf.d"
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{ path = "krb5.conf.d"; trail = "/*"; }
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# config files found via strings on libs
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"krb.conf"
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"krb.realms"
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"srvtab"
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];
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"abstractions/ldapclient" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/ldapclient"
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'' + lib.concatMapStringsSep "\n" etcRule [
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"ldap.conf"
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"ldap.secret"
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{ path = "openldap"; trail = "/*"; }
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{ path = "openldap"; trail = "/cacerts/*"; }
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{ path = "sasl2"; trail = "/*"; }
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];
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"abstractions/likewise" = ''
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include "${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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mr ${getLib pkgs.nss}/lib/libnss_*.so*,
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mr ${getLib pkgs.nss}/lib64/libnss_*.so*,
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'' + lib.concatMapStringsSep "\n" etcRule [
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"group"
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"host.conf"
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"hosts"
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"nsswitch.conf"
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"gai.conf"
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"passwd"
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"protocols"
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# libtirpc (used for NIS/YP login) needs this
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"netconfig"
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"resolv.conf"
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{ path = "samba"; trail = "/lmhosts"; }
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"services"
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"default/nss"
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# libnl-3-200 via libnss-gw-name
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{ path = "libnl"; trail = "/classid"; }
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{ path = "libnl-3"; trail = "/classid"; }
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];
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"abstractions/nis" = ''
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include "${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 "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/p11-kit"
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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "pkcs11"; trail = "/"; }
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{ path = "pkcs11"; trail = "/pkcs11.conf"; }
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{ path = "pkcs11"; trail = "/modules/"; }
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{ path = "pkcs11"; trail = "/modules/*"; }
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];
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"abstractions/perl" = ''
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include "${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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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "php"; trail = "/**/"; }
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{ path = "php5"; trail = "/**/"; }
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{ path = "php7"; trail = "/**/"; }
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{ path = "php"; trail = "/**.ini"; }
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{ path = "php5"; trail = "/**.ini"; }
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{ path = "php7"; trail = "/**.ini"; }
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];
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"abstractions/postfix-common" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/postfix-common"
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'' + lib.concatMapStringsSep "\n" etcRule [
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"mailname"
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{ path = "postfix"; trail = "/*.cf"; }
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"postfix/main.cf"
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"postfix/master.cf"
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];
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"abstractions/python" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/python"
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'';
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"abstractions/qt5" = ''
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include "${pkgs.apparmor-profiles}/etc/apparmor.d/abstractions/qt5"
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'' + lib.concatMapStringsSep "\n" etcRule [
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{ path = "xdg"; trail = "/QtProject/qtlogging.ini"; }
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{ path = "xdg/QtProject"; trail = "/qtlogging.ini"; }
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"xdg/QtProject/qtlogging.ini"
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];
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"abstractions/samba" = ''
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include "${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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# For the NixOS module: security.acme
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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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'' + lib.concatMapStringsSep "\n" etcRule [
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"ssl/certs/ca-certificates.crt"
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"ssl/certs/ca-bundle.crt"
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"pki/tls/certs/ca-bundle.crt"
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{ path = "ssl/trust"; trail = "/"; }
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{ path = "ssl/trust"; trail = "/*"; }
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{ path = "ssl/trust/anchors"; trail = "/"; }
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{ path = "ssl/trust/anchors"; trail = "/**"; }
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{ path = "pki/trust"; trail = "/"; }
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{ path = "pki/trust"; trail = "/*"; }
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{ path = "pki/trust/anchors"; trail = "/"; }
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{ path = "pki/trust/anchors"; trail = "/**"; }
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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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