Commit 86c2fc34 authored by Jörg Thalheim's avatar Jörg Thalheim
Browse files

pwngdb: make gdbinit.py self-contained 

This avoids polluting child processes with PYTHONPATH (also PATH is
still propagated).
Also it makes it easier to load the resulting gdbinit.py in your own
.gdbinit.
parent ba1e6fdd

pkgs/by-name/pw/pwndbg/package.nix

+17 −5
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ let 
    python3.pkgs.ropgadget # ref: https://github.com/pwndbg/pwndbg/blob/2022.12.19/pwndbg/commands/rop.py#L32

  ]);

in

stdenv.mkDerivation rec {

stdenv.mkDerivation {

  pname = "pwndbg";

  version = lib.getVersion pwndbg-py;

  format = "other";
@@ -31,20 +31,32 @@ stdenv.mkDerivation rec { 
    runHook preInstall



    mkdir -p $out/share/pwndbg

    cp gdbinit.py $out/share/pwndbg

    cp gdbinit.py $out/share/pwndbg/gdbinit.py

    chmod +x $out/share/pwndbg/gdbinit.py

    # First line is a import from future, so we need to append our imports after that

    sed '2 i import sys, os

    3 i [sys.path.append(p) for p in "${pythonPath}".split(":")]

    4 i os.environ["PATH"] += ":${binPath}"' -i $out/share/pwndbg/gdbinit.py



    # Don't require an in-package venv

    touch $out/share/pwndbg/.skip-venv



    makeWrapper ${gdb}/bin/gdb $out/bin/pwndbg \

      --add-flags "-q -x $out/share/pwndbg/gdbinit.py" \

      --prefix PATH : ${binPath} \

      --set PYTHONPATH ${pythonPath} \

      --add-flags "-q -x $out/share/pwndbg/gdbinit.py"



    runHook postInstall

  '';



  doInstallCheck = true;

  installCheckPhase = ''

    runHook preInstallCheck



    # Check if pwndbg is installed correctly

    HOME=$TMPDIR LC_CTYPE=C.UTF-8 $out/bin/pwndbg -ex exit



    runHook postInstallCheck

  '';



  meta = with lib; {

    description = "Exploit Development and Reverse Engineering with GDB Made Easy";

    mainProgram = "pwndbg";