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a14af16cfc
unprivileged users with UID > INT_MAX can successfully execute any systemctl command Original issue: https://gitlab.freedesktop.org/polkit/polkit/issues/74
99 lines
3.6 KiB
Nix
99 lines
3.6 KiB
Nix
{ stdenv, fetchurl, fetchpatch, autoreconfHook, pkgconfig, glib, expat, pam, perl
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, intltool, spidermonkey_52 , gobject-introspection, libxslt, docbook_xsl, dbus
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, docbook_xml_dtd_412, gtk-doc, coreutils
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, useSystemd ? stdenv.isLinux, systemd
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, doCheck ? stdenv.isLinux
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}:
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let
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system = "/run/current-system/sw";
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setuid = "/run/wrappers/bin"; #TODO: from <nixos> config.security.wrapperDir;
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in
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stdenv.mkDerivation rec {
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name = "polkit-0.115";
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src = fetchurl {
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url = "https://www.freedesktop.org/software/polkit/releases/${name}.tar.gz";
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sha256 = "0c91y61y4gy6p91cwbzg32dhavw4b7fflg370rimqhdxpzdfr1rg";
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};
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patches = [
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# CVE-2018-19788 - high UID fixup
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(fetchpatch {
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url = "https://gitlab.freedesktop.org/polkit/polkit/commit/5230646dc6876ef6e27f57926b1bad348f636147.patch";
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name = "CVE-2018-19788.patch";
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sha256 = "1y3az4mlxx8k1zcss5qm7k102s7k1kqgcfnf11j9678fh7p008vp";
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})
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];
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postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
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sed -i -e "s/-Wl,--as-needed//" configure.ac
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'';
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outputs = [ "bin" "dev" "out" ]; # small man pages in $bin
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nativeBuildInputs =
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[ gtk-doc pkgconfig autoreconfHook intltool gobject-introspection perl ]
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++ [ libxslt docbook_xsl docbook_xml_dtd_412 ]; # man pages
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buildInputs =
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[ glib expat pam spidermonkey_52 gobject-introspection ]
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++ stdenv.lib.optional useSystemd systemd;
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NIX_CFLAGS_COMPILE = " -Wno-deprecated-declarations "; # for polkit 0.114 and glib 2.56
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preConfigure = ''
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chmod +x test/mocklibc/bin/mocklibc{,-test}.in
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patchShebangs .
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# ‘libpolkit-agent-1.so’ should call the setuid wrapper on
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# NixOS. Hard-coding the path is kinda ugly. Maybe we can just
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# call through $PATH, but that might have security implications.
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substituteInPlace src/polkitagent/polkitagentsession.c \
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--replace 'PACKAGE_PREFIX "/lib/polkit-1/' '"${setuid}/'
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substituteInPlace test/data/etc/polkit-1/rules.d/10-testing.rules \
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--replace /bin/true ${coreutils}/bin/true \
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--replace /bin/false ${coreutils}/bin/false
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'' + stdenv.lib.optionalString useSystemd /* bogus chroot detection */ ''
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sed '/libsystemd autoconfigured/s/.*/:/' -i configure
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'';
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configureFlags = [
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"--datadir=${system}/share"
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"--sysconfdir=/etc"
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"--with-systemdsystemunitdir=$(out)/etc/systemd/system"
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"--with-polkitd-user=polkituser" #TODO? <nixos> config.ids.uids.polkituser
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"--with-os-type=NixOS" # not recognized but prevents impurities on non-NixOS
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"--enable-introspection"
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] ++ stdenv.lib.optional (!doCheck) "--disable-test";
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makeFlags = "INTROSPECTION_GIRDIR=$(out)/share/gir-1.0 INTROSPECTION_TYPELIBDIR=$(out)/lib/girepository-1.0";
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# The following is required on grsecurity/PaX due to spidermonkey's JIT
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postBuild = stdenv.lib.optionalString stdenv.isLinux ''
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paxmark mr src/polkitbackend/.libs/polkitd
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'' + stdenv.lib.optionalString (stdenv.isLinux && doCheck) ''
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paxmark mr test/polkitbackend/.libs/polkitbackendjsauthoritytest
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'';
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installFlags=["datadir=$(out)/share" "sysconfdir=$(out)/etc"];
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inherit doCheck;
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checkInputs = [dbus];
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checkPhase = ''
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# tests need access to the system bus
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dbus-run-session --config-file=${./system_bus.conf} -- sh -c 'DBUS_SYSTEM_BUS_ADDRESS=$DBUS_SESSION_BUS_ADDRESS make check'
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'';
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meta = with stdenv.lib; {
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homepage = http://www.freedesktop.org/wiki/Software/polkit;
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description = "A toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes";
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license = licenses.gpl2;
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platforms = platforms.unix;
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maintainers = [ ];
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};
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}
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