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tests/custom-tmpdir: try running mmdebstrap in a TMPDIR with special shell characters in its path

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Johannes Schauer Marin Rodrigues 2022-06-04 08:30:53 +02:00
parent 28122a8b5c
commit c37e5e6059
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
2 changed files with 10 additions and 6 deletions
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4
mmdebstrap
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@ -4896,8 +4896,8 @@ sub main() {
} }
# initialize gpg trustdb with empty one # initialize gpg trustdb with empty one
{ {
`@gpgcmd --update-trustdb >/dev/null 2>/dev/null`; 0 == system(@gpgcmd, '--update-trustdb')
$? == 0 or error "gpg failed to initialize trustdb: $?"; or error "gpg failed to initialize trustdb:: $?";
} }
# find all the fingerprints of the keys apt currently # find all the fingerprints of the keys apt currently
# knows about # knows about

12
tests/custom-tmpdir
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@ -5,14 +5,18 @@ if [ ! -e /mmdebstrap-testenv ]; then
echo "this test modifies the system and should only be run inside a container" >&2 echo "this test modifies the system and should only be run inside a container" >&2
exit 1 exit 1
fi fi
# https://www.etalabs.net/sh_tricks.html
quote () { printf %s\\n "$1" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/'/" ; }
adduser --gecos user --disabled-password user adduser --gecos user --disabled-password user
sysctl -w kernel.unprivileged_userns_clone=1 sysctl -w kernel.unprivileged_userns_clone=1
homedir=$(runuser -u user -- sh -c 'cd && pwd') homedir=$(runuser -u user -- sh -c 'cd && pwd')
runuser -u user -- mkdir "$homedir/tmp" # apt:test/integration/test-apt-key
runuser -u user -- env TMPDIR="$homedir/tmp" {{ CMD }} --mode=unshare --variant=apt \ TMPDIR_ADD="This is fü\$\$ing cràzy, \$(apt -v)\$!"
--setup-hook='case "$1" in "'"$homedir/tmp/mmdebstrap."'"??????????) exit 0;; *) exit 1;; esac' \ runuser -u user -- mkdir "$homedir/$TMPDIR_ADD"
runuser -u user -- env TMPDIR="$homedir/$TMPDIR_ADD" {{ CMD }} --mode=unshare --variant=apt \
--setup-hook='case "$1" in '"$(quote "$homedir/$TMPDIR_ADD/mmdebstrap.")"'??????????) exit 0;; *) echo "$1"; exit 1;; esac' \
{{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }} {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
tar -tf /tmp/debian-chroot.tar | sort | diff -u tar1.txt - tar -tf /tmp/debian-chroot.tar | sort | diff -u tar1.txt -
# use rmdir as a quick check that nothing is remaining in TMPDIR # use rmdir as a quick check that nothing is remaining in TMPDIR
runuser -u user -- rmdir "$homedir/tmp" runuser -u user -- rmdir "$homedir/$TMPDIR_ADD"
rm /tmp/debian-chroot.tar rm /tmp/debian-chroot.tar