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scripts: bundle-libraries.sh: retain preloaded libraries

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Since the introduction of fakeroot support, wrapped SDK executables might
be invoked from a shell that has libfakeroot.so preloaded.

Since we're using preloading as well in order to mangle argv[0] when
invoking the shipped ELF interpreter directly, we must take care of
preloading the already preloaded libraries as well, to avoid invoked
programs losing their fakeroot capabilities.

Extend the bundle-libraries.sh script to take any existing $LD_PRELOAD
into account when invoking the target ELF executable with a preloaded
runas.so library.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2020-09-10 13:55:48 +02:00
parent 8b8015031b
commit 10dbdeccfa
1 changed files with 1 additions and 1 deletions
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scripts/bundle-libraries.sh
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@ -186,7 +186,7 @@ for BIN in "$@"; do
#!/usr/bin/env bash
dir="\$(dirname "\$0")"
export RUNAS_ARG0="\$0"
export LD_PRELOAD="\$dir/${REL:+$REL/}runas.so"
export LD_PRELOAD="\${LD_PRELOAD:+\$LD_PRELOAD:}\$dir/${REL:+$REL/}runas.so"
exec "\$dir/${REL:+$REL/}$LDSO" --library-path "\$dir/${REL:+$REL/}" "\$dir/.${BIN##*/}.bin" "\$@"
EOF