forked from mirrors/nixpkgs
a70197a653
What this allows us to do is define a "dumpcap" setuid wrapper in NixOS
and have wireshark use that instead of the non-setuid dumpcap binary
that it normally uses.
As far as I can tell, the code that is changed to do lookup in PATH is
only used by wireshark/tshark to find dumpcap. dumpcap, the thing that's
typically setuid, is not affected by this patch. wireshark and tshark
should *not* be installed setuid, so the fact that they now do lookup in
PATH is not a security concern.
With this commit, and the following config, only "root" and users in the
"wireshark" group will have access to capturing network traffic with
wireshark/dumpcap:
environment.systemPackages = [ pkgs.wireshark ];
security.setuidOwners = [
{ program = "dumpcap";
owner = "root";
group = "wireshark";
setuid = true;
setgid = false;
permissions = "u+rx,g+x";
}
];
users.extraGroups.wireshark.gid = 500;
(This wouldn't have worked before, because then wireshark would not use
our setuid dumpcap binary.)
63 lines
1.8 KiB
Nix
63 lines
1.8 KiB
Nix
{ stdenv, fetchurl, pkgconfig, perl, flex, bison, libpcap, libnl, c-ares
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, gnutls, libgcrypt, geoip, heimdal, lua5, gtk, makeDesktopItem, python
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, libcap
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}:
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let version = "1.11.2"; in
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stdenv.mkDerivation {
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name = "wireshark-${version}";
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src = fetchurl {
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url = "mirror://sourceforge/wireshark/wireshark-${version}.tar.bz2";
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sha256 = "077hjnmqn44s8dx3pc38bxps5liicjnhzrnf6ky2x60m2cp7ngr3";
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};
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buildInputs = [
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bison flex perl pkgconfig libpcap lua5 heimdal libgcrypt gnutls
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geoip libnl c-ares gtk python libcap
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];
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patches = [ ./wireshark-lookup-dumpcap-in-path.patch ];
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preConfigure = ''
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sed -re 's/g_memmove/memmove/' -i $(grep -rl g_memmove .)
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'';
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configureFlags = "--disable-usr-local --disable-silent-rules --with-gtk2 --without-gtk3 --without-qt --with-ssl";
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desktopItem = makeDesktopItem {
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name = "Wireshark";
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exec = "wireshark";
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icon = "wireshark";
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comment = "Powerful network protocol analysis suite";
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desktopName = "Wireshark";
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genericName = "Network packet analyzer";
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categories = "Network;System";
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};
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postInstall = ''
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mkdir -p "$out"/share/applications/
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mkdir -p "$out"/share/icons/
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cp "$desktopItem/share/applications/"* "$out/share/applications/"
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cp image/wsicon.svg "$out"/share/icons/wireshark.svg
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'';
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enableParallelBuilding = true;
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meta = {
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homepage = http://www.wireshark.org/;
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description = "a powerful network protocol analyzer";
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license = stdenv.lib.licenses.gpl2;
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longDescription = ''
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Wireshark (formerly known as "Ethereal") is a powerful network
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protocol analyzer developed by an international team of networking
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experts. It runs on UNIX, OS X and Windows.
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'';
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platforms = stdenv.lib.platforms.linux;
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maintainers = with stdenv.lib.maintainers; [ simons bjornfor ];
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};
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}
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