nixpkgs/pkgs/shells/dash/default.nix
Martin Weinelt 9ac42658f9 dash: add patch to prevent code execution when noexec is set
Dashs noexec flag `-n` did not work as documented, which could result in
code being inadvertently executed.
2020-11-23 11:57:29 -08:00

37 lines
1.2 KiB
Nix

{ stdenv, buildPackages, autoreconfHook, fetchurl }:
stdenv.mkDerivation rec {
pname = "dash";
version = "0.5.11.2";
src = fetchurl {
url = "http://gondor.apana.org.au/~herbert/dash/files/${pname}-${version}.tar.gz";
sha256 = "0pvdpm1cgfbc25ramn4305a0158yq031q1ain4dc972rnxl7vyq0";
};
hardeningDisable = [ "format" ];
# Temporary fix until a proper one is accepted upstream
patches = [
(fetchurl {
# Dash executes code when noexec ("-n") is specified
# https://www.openwall.com/lists/oss-security/2020/11/11/3
url = "https://git.kernel.org/pub/scm/utils/dash/dash.git/patch/?id=29d6f2148f10213de4e904d515e792d2cf8c968e";
sha256 = "08q90bx36ixwlcj331dh7420qyj8i0qh1cc1gljrhd83fhl9w0y5";
})
] ++ stdenv.lib.optional stdenv.isDarwin ./0001-fix-dirent64-et-al-on-darwin.patch;
depsBuildBuild = [ buildPackages.stdenv.cc ];
nativeBuildInputs = stdenv.lib.optional stdenv.isDarwin autoreconfHook;
meta = with stdenv.lib; {
homepage = "http://gondor.apana.org.au/~herbert/dash/";
description = "A POSIX-compliant implementation of /bin/sh that aims to be as small as possible";
platforms = platforms.unix;
license = with licenses; [ bsd3 gpl2 ];
};
passthru = {
shellPath = "/bin/dash";
};
}