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f18317885a
Login mode can cause hidden problems, e.g. #12406. Generally we don't want to read user's .bash_profile when we don't start an interactive shell inside a chroot.
54 lines
1.5 KiB
Nix
54 lines
1.5 KiB
Nix
{ runCommand, lib, writeText, writeScriptBin, stdenv, bash, ruby } :
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{ env, runScript ? "${bash}/bin/bash", extraBindMounts ? [], extraInstallCommands ? "", importMeta ? {} } :
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let
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name = env.pname;
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bash' = "${bash}/bin/bash";
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# Sandboxing script
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chroot-user = writeScriptBin "chroot-user" ''
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#! ${ruby}/bin/ruby
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${builtins.readFile ./chroot-user.rb}
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'';
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init = run: writeText "${name}-init" ''
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source /etc/profile
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# Make /tmp directory
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mkdir -m 1777 /tmp
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# Expose sockets in /tmp
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for i in /host-tmp/.*-unix; do
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ln -s "$i" "/tmp/$(basename "$i")"
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done
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[ -d "$1" ] && [ -r "$1" ] && cd "$1"
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shift
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exec ${run} "$@"
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'';
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in runCommand name {
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meta = importMeta;
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passthru.env =
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runCommand "${name}-shell-env" {
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shellHook = ''
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export CHROOTENV_EXTRA_BINDS="${lib.concatStringsSep ":" extraBindMounts}:$CHROOTENV_EXTRA_BINDS"
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exec ${chroot-user}/bin/chroot-user ${env} ${bash'} -l ${init bash'} "$(pwd)"
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'';
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} ''
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echo >&2 ""
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echo >&2 "*** User chroot 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
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echo >&2 ""
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exit 1
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'';
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} ''
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mkdir -p $out/bin
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cat <<EOF >$out/bin/${name}
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#! ${stdenv.shell}
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export CHROOTENV_EXTRA_BINDS="${lib.concatStringsSep ":" extraBindMounts}:\$CHROOTENV_EXTRA_BINDS"
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exec ${chroot-user}/bin/chroot-user ${env} ${bash'} ${init runScript} "\$(pwd)" "\$@"
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EOF
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chmod +x $out/bin/${name}
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${extraInstallCommands}
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''
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