assert_repo_is_intact()
{
testequal "foo/unstable 2.0 all" apt list -q
- testsuccess "" aptget install -y -s foo
- testfailure "" aptget install -y evil
+ 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 $LISTDIR/*InRelease >/dev/null 2>&1 ||
setupaptarchive_with_lists_clean()
{
setupaptarchive --no-update
- rm -f rootdir/var/lib/apt/lists/_*
- #rm -rf rootdir/var/lib/apt/lists
+ rm -rf rootdir/var/lib/apt/lists
}
test_from_inrelease_to_unsigned()
# setup archive with InRelease file
setupaptarchive_with_lists_clean
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
simulate_mitm_and_inject_evil_package
assert_update_is_refused_and_last_good_state_used
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
}
test_from_release_gpg_to_unsigned()
setupaptarchive_with_lists_clean
rm $APTARCHIVE/dists/unstable/InRelease
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
simulate_mitm_and_inject_evil_package
assert_update_is_refused_and_last_good_state_used
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
+}
+
+test_from_inrelease_to_unsigned_with_override()
+{
+ # setup archive with InRelease file
+ setupaptarchive_with_lists_clean
+ # FIXME: is not what the server reported 4104 4106
+ testsuccess aptget update #-o Debug::pkgAcquire::Worker=1
+
+ # simulate moving to a unsigned but otherwise valid repo
+ simulate_mitm_and_inject_evil_package
+ generatereleasefiles
+
+ # and ensure we can update to it (with enough force)
+ testwarning aptget update --allow-insecure-repositories \
+ -o Acquire::AllowDowngradeToInsecureRepositories=1
+ # but that the individual packages are still considered untrusted
+ testequal "WARNING: The following packages cannot be authenticated!
+ evil
+E: There are problems and -y was used without --force-yes" aptget install -qq -y evil
}
test_cve_2012_0214()
# setup archive with InRelease
setupaptarchive_with_lists_clean
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
# do what CVE-2012-0214 did
rm $APTARCHIVE/dists/unstable/InRelease
aptftparchive -qq release ./aptarchive > aptarchive/dists/unstable/Release
assert_update_is_refused_and_last_good_state_used
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
# ensure there is no _Release file downloaded
testfailure ls rootdir/var/lib/apt/lists/*_Release
# setup archive with InRelease
setupaptarchive_with_lists_clean
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
# replace InRelease with something else
mv $APTARCHIVE/dists/unstable/Release $APTARCHIVE/dists/unstable/InRelease
E: Some index files failed to download. They have been ignored, or old ones used instead." aptget update -qq
# ensure we keep the repo
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
assert_repo_is_intact
}
# setup archive with InRelease
setupaptarchive_with_lists_clean
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
# now remove InRelease and subvert Release do no longer verify
sed -i 's/Codename.*/Codename: evil!'/ $APTARCHIVE/dists/unstable/InRelease
testequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file: unstable InRelease: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
-W: Failed to fetch file:${APTARCHIVE}/dists/unstable/InRelease
+W: Failed to fetch file:${APTARCHIVE}/dists/unstable/InRelease The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
W: Some index files failed to download. They have been ignored, or old ones used instead." aptget update -qq
# ensure we keep the repo
+ testfailure grep 'evil' rootdir/var/lib/apt/lists/*InRelease
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
assert_repo_is_intact
- testfailure grep "evil" rootdir/var/lib/apt/lists/*InRelease
}
test_release_gpg_to_invalid_release_release_gpg()
setupaptarchive_with_lists_clean
rm $APTARCHIVE/dists/unstable/InRelease
testsuccess aptget update
+ listcurrentlistsdirectory > lists.before
# now subvert Release do no longer verify
echo "Some evil data" >> $APTARCHIVE/dists/unstable/Release
inject_evil_package
- testequal "E: The repository 'file: unstable Release.gpg' is no longer signed." aptget update -qq
+ testequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file: unstable Release.gpg: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
+
+W: Failed to fetch file:${APTARCHIVE}/dists/unstable/Release.gpg The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
+W: Some index files failed to download. They have been ignored, or old ones used instead." aptget update -qq
+
+ testfailure grep 'evil' rootdir/var/lib/apt/lists/*Release
+ testfileequal lists.before "$(listcurrentlistsdirectory)"
assert_repo_is_intact
- testfailure grep "evil" rootdir/var/lib/apt/lists/*Release
}
# ensure we revert to last good state if Release/Release.gpg does not verify
msgmsg "test_release_gpg_to_invalid_release_release_gpg"
test_release_gpg_to_invalid_release_release_gpg
+
+# ensure we can override the downgrade error
+msgmsg "test_from_inrelease_to_unsigned_with_override"
+test_from_inrelease_to_unsigned_with_override