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scripts: Don't add an empty entry to LD_LIBRARY_PATH

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LD_LIBRARY_PATH="/path/to/lib:" is interpreted as equivalent to
LD_LIBRARY_PATH="/path/to/lib:.", loading libraries from the current
working directory, which could lead to malicious libraries being loaded
if the current working directory is untrusted. To avoid this, only add
the current LD_LIBRARY_PATH to the new LD_LIBRARY_PATH if it is
actually set.

This commit also single-quotes the interpolated @VARIABLES@ so that
their values can contain shell special characters (other than single
quotes).

Signed-off-by: Simon McVittie <smcv@debian.org>
This commit is contained in:
Simon McVittie 2020-06-03 10:51:58 +01:00 • committed by Wim Taymans
parent 0efadbb297
commit 96eb6e4df8
3 changed files with 4 additions and 4 deletions
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4
pw-uninstalled.sh
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@ -35,8 +35,8 @@ export PIPEWIRE_CONFIG_FILE="${BUILDDIR}/src/daemon/pipewire.conf"
export SPA_PLUGIN_DIR="${BUILDDIR}/spa/plugins"
export PIPEWIRE_MODULE_DIR="${BUILDDIR}/src/modules"
export PATH="${BUILDDIR}/src/daemon:${BUILDDIR}/src/tools:${BUILDDIR}/src/examples:${PATH}"
export LD_LIBRARY_PATH="${BUILDDIR}/pipewire-pulseaudio/src/:${BUILDDIR}/src/pipewire/:${BUILDDIR}/pipewire-jack/src/:${LD_LIBRARY_PATH}"
export GST_PLUGIN_PATH="${BUILDDIR}/src/gst/:${GST_PLUGIN_PATH}"
export LD_LIBRARY_PATH="${BUILDDIR}/pipewire-pulseaudio/src/:${BUILDDIR}/src/pipewire/:${BUILDDIR}/pipewire-jack/src/${LD_LIBRARY_PATH+":$LD_LIBRARY_PATH"}"
export GST_PLUGIN_PATH="${BUILDDIR}/src/gst/${GST_PLUGIN_PATH+":${GST_PLUGIN_PATH}"}"
# FIXME: find a nice, shell-neutral way to specify a prompt
${SHELL}