simulate_mitm_and_inject_evil_package()
{
redatereleasefiles '+1 hour'
- rm -f $APTARCHIVE/dists/unstable/InRelease
- rm -f $APTARCHIVE/dists/unstable/Release.gpg
+ rm -f "$APTARCHIVE/dists/unstable/InRelease"
+ rm -f "$APTARCHIVE/dists/unstable/Release.gpg"
inject_evil_package
}
inject_evil_package()
{
- cat > $APTARCHIVE/dists/unstable/main/binary-i386/Packages <<EOF
+ cat > "$APTARCHIVE/dists/unstable/main/binary-i386/Packages" <<EOF
Package: evil
Installed-Size: 29
Maintainer: Joe Sixpack <joe@example.org>
assert_update_is_refused_and_last_good_state_used()
{
- testfailuremsg "E: The repository 'file:${APTARCHIVE} unstable Release' is no longer signed." aptget update
+ testfailuremsg "E: The repository 'file:${APTARCHIVE} unstable Release' is no longer signed.
+N: Updating from such a repository can't be done securely, and is therefore disabled by default.
+N: See apt-secure(8) manpage for repository creation and user configuration details." aptget update
assert_repo_is_intact
}
assert_repo_is_intact()
{
- testsuccessequal "foo/unstable 2.0 all" apt list -q
+ testsuccessequal "foo/unstable 2.0 all" apt list -qq
testsuccess aptget install -y -s foo
testfailure aptget install -y evil
testsuccess aptget source foo --print-uris
LISTDIR=rootdir/var/lib/apt/lists
- if ! ( ls $LISTDIR/*InRelease >/dev/null 2>&1 ||
- ls $LISTDIR/*Release.gpg >/dev/null 2>&1 ); then
- echo "Can not find InRelease/Release.gpg in $(ls $LISTDIR)"
- msgfail
- fi
+ testempty find "$LISTDIR" -name 'InRelease' -o -name 'Release.gpg'
}
setupaptarchive_with_lists_clean()
{
# setup archive with Release/Release.gpg (but no InRelease)
setupaptarchive_with_lists_clean
- rm $APTARCHIVE/dists/unstable/InRelease
+ rm "$APTARCHIVE/dists/unstable/InRelease"
testsuccess aptget update
listcurrentlistsdirectory > lists.before
# simulate moving to a unsigned but otherwise valid repo
simulate_mitm_and_inject_evil_package
generatereleasefiles '+2 hours'
- find $APTARCHIVE -name '*Packages*' -exec touch -d '+2 hours' {} \;
+ find "$APTARCHIVE" -name '*Packages*' -exec touch -d '+2 hours' {} \;
# and ensure we can update to it (with enough force)
testwarning aptget update --allow-insecure-repositories \
# the unauthenticated Release file too giving the false impression that
# Release was authenticated
#
- # Note that this is pretty much impossible nowdays because:
+ # Note that this is pretty much impossible nowadays because:
# a) InRelease is left as is, not split to InRelease/Release as it was
# in the old days
# b) we refuse to go from signed->unsigned
listcurrentlistsdirectory > lists.before
# do what CVE-2012-0214 did
- rm $APTARCHIVE/dists/unstable/InRelease
- rm $APTARCHIVE/dists/unstable/Release.gpg
+ rm "$APTARCHIVE/dists/unstable/InRelease"
+ rm "$APTARCHIVE/dists/unstable/Release.gpg"
inject_evil_package
# build valid Release file
aptftparchive -qq release ./aptarchive > aptarchive/dists/unstable/Release
listcurrentlistsdirectory > lists.before
# replace InRelease with something else
- mv $APTARCHIVE/dists/unstable/Release $APTARCHIVE/dists/unstable/InRelease
+ mv "$APTARCHIVE/dists/unstable/Release" "$APTARCHIVE/dists/unstable/InRelease"
testfailuremsg "W: Failed to fetch file:${APTARCHIVE}/dists/unstable/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Some index files failed to download. They have been ignored, or old ones used instead." aptget update
listcurrentlistsdirectory > lists.before
# now remove InRelease and subvert Release do no longer verify
- sed -i 's/^Codename:.*/Codename: evil!/' $APTARCHIVE/dists/unstable/InRelease
+ sed -i 's/^Codename:.*/Codename: evil!/' "$APTARCHIVE/dists/unstable/InRelease"
inject_evil_package
testwarningequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:${APTARCHIVE} unstable InRelease: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
{
# setup archive with InRelease
setupaptarchive_with_lists_clean
- rm $APTARCHIVE/dists/unstable/InRelease
+ rm "$APTARCHIVE/dists/unstable/InRelease"
testsuccess aptget update
listcurrentlistsdirectory > lists.before
# now subvert Release do no longer verify
- echo "Some evil data" >> $APTARCHIVE/dists/unstable/Release
+ echo "Some evil data" >> "$APTARCHIVE/dists/unstable/Release"
inject_evil_package
testwarningequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:${APTARCHIVE} unstable Release: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
# setup the archive and ensure we have a single package that installs fine
setupaptarchive
-APTARCHIVE=$(readlink -f ./aptarchive)
+APTARCHIVE="$(readlink -f ./aptarchive)"
assert_repo_is_intact
# test the various cases where a repo may go from signed->unsigned