Adding upstream version 2.6.1.upstream/2.6.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 273 insertions, 0 deletions

diff --git a/test/integration/test-apt-update-nofallback b/test/integration/test-apt-update-nofallback
new file mode 100755
index 0000000..18f12b1
--- /dev/null
+++ b/test/integration/test-apt-update-nofallback
@@ -0,0 +1,273 @@
+#!/bin/sh
+#
+# ensure we never fallback from a signed to a unsigned repo
+# 
+# hash checks are done in 
+# 
+set -e
+
+simulate_mitm_and_inject_evil_package()
+{
+    redatereleasefiles '+1 hour'
+    rm -f "$APTARCHIVE/dists/unstable/InRelease" "$APTARCHIVE/dists/unstable/Release.gpg"
+    inject_evil_package
+}
+
+inject_evil_package()
+{
+    cat > "$APTARCHIVE/dists/unstable/main/binary-i386/Packages" <<EOF
+Package: evil
+Installed-Size: 29
+Maintainer: Joe Sixpack <joe@example.org>
+Architecture: all
+Version: 1.0
+Filename: pool/evil_1.0_all.deb
+Size: 1270
+Description: an autogenerated evil package
+EOF
+    # avoid ims hit
+    touch -d '+1hour' aptarchive/dists/unstable/main/binary-i386/Packages
+    compressfile aptarchive/dists/unstable/main/binary-i386/Packages
+}
+
+assert_update_is_refused_and_last_good_state_used()
+{
+    testfailuremsg "E: The repository 'file:${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 -qq
+    testsuccess aptget install -y -s foo
+    testfailure aptget install -y evil
+    testsuccess aptget source foo --print-uris
+
+    LISTDIR=rootdir/var/lib/apt/lists
+    testempty find "$LISTDIR" -name 'InRelease' -o -name 'Release.gpg'
+}
+
+setupaptarchive_with_lists_clean()
+{
+    setupaptarchive --no-update
+    rm -rf rootdir/var/lib/apt/lists
+}
+
+test_from_inrelease_to_unsigned()
+{
+    export APT_DONT_SIGN='Release.gpg'
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+    listcurrentlistsdirectory > lists.before
+
+    simulate_mitm_and_inject_evil_package
+    assert_update_is_refused_and_last_good_state_used
+    testfileequal lists.before "$(listcurrentlistsdirectory)"
+}
+
+test_from_release_gpg_to_unsigned()
+{
+    export APT_DONT_SIGN='InRelease'
+    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 "$(listcurrentlistsdirectory)"
+}
+
+test_from_inrelease_to_unsigned_with_override()
+{
+    export APT_DONT_SIGN='Release.gpg'
+    # setup archive with InRelease file
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+
+    # simulate moving to a unsigned but otherwise valid repo
+    simulate_mitm_and_inject_evil_package
+    generatereleasefiles '+2 hours'
+    find "$APTARCHIVE" -name '*Packages*' -exec touch -d '+2 hours' {} \;
+
+    # and ensure we can update to it (with enough force) 
+    testfailure apt update
+    testfailure aptget update
+    testfailure aptget update --allow-insecure-repositories
+    testfailure aptget update --no-allow-insecure-repositories
+    sed -i 's#^deb\(-src\)\? #deb\1 [allow-downgrade-to-insecure=yes] #' rootdir/etc/apt/sources.list.d/*
+    testfailure aptget update --no-allow-insecure-repositories
+    testfailure apt update
+    testwarning apt update --allow-insecure-repositories \
+        -o Debug::pkgAcquire::Worker=1 -o Debug::pkgAcquire::Auth=1
+    sed -i 's#^deb\(-src\)\? \[allow-downgrade-to-insecure=yes\] #deb\1 #' rootdir/etc/apt/sources.list.d/*
+    # but that the individual packages are still considered untrusted
+    testfailureequal "WARNING: The following packages cannot be authenticated!
+  evil
+E: There were unauthenticated packages and -y was used without --allow-unauthenticated" aptget install -qq -y evil
+}
+
+test_from_inrelease_to_norelease_with_override()
+{
+    # setup archive with InRelease file
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+
+    # simulate moving to a unsigned but otherwise valid repo
+    simulate_mitm_and_inject_evil_package
+    find "$APTARCHIVE" -name '*Release*' -delete
+    find "$APTARCHIVE" -name '*Packages*' -exec touch -d '+2 hours' {} \;
+
+    # and ensure we can update to it (with enough force) 
+    testfailure aptget update
+    testfailure aptget update --allow-insecure-repositories
+    testwarning aptget update --allow-insecure-repositories \
+        -o Acquire::AllowDowngradeToInsecureRepositories=1 -o Debug::pkgAcquire::Worker=1 -o Debug::pkgAcquire::Auth=1
+    # but that the individual packages are still considered untrusted
+    testfailureequal "WARNING: The following packages cannot be authenticated!
+  evil
+E: There were unauthenticated packages and -y was used without --allow-unauthenticated" aptget install -qq -y evil
+}
+
+test_cve_2012_0214()
+{
+    # see https://bugs.launchpad.net/ubuntu/+source/apt/+bug/947108
+    #
+    # it was possible to MITM the download so that InRelease/Release.gpg
+    # are not delivered (404) and a altered Release file was send
+    #
+    # apt left the old InRelease file in /var/lib/apt/lists and downloaded
+    # the unauthenticated Release file too giving the false impression that
+    # Release was authenticated
+    #
+    # 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
+    #
+    # Still worth having a regression test the simulates the condition
+
+    export APT_DONT_SIGN='Release.gpg'
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+    listcurrentlistsdirectory > lists.before
+
+    # do what CVE-2012-0214 did
+    rm -f "$APTARCHIVE/dists/unstable/InRelease" "$APTARCHIVE/dists/unstable/Release.gpg"
+    inject_evil_package
+    # build valid Release file
+    aptftparchive -qq release ./aptarchive > aptarchive/dists/unstable/Release
+
+    assert_update_is_refused_and_last_good_state_used
+    testfileequal lists.before "$(listcurrentlistsdirectory)"
+
+    # ensure there is no _Release file downloaded
+    testfailure ls rootdir/var/lib/apt/lists/*_Release
+}
+
+test_subvert_inrelease()
+{
+    export APT_DONT_SIGN='Release.gpg'
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+    listcurrentlistsdirectory > lists.before
+
+    # replace InRelease with something else
+    mv "$APTARCHIVE/dists/unstable/Release" "$APTARCHIVE/dists/unstable/InRelease"
+
+    testfailuremsg "E: Failed to fetch file:${APTARCHIVE}/dists/unstable/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
+E: The repository 'file:${APTARCHIVE} unstable InRelease' is no longer signed.
+N: Updating from such a repository can't be done securely, and is therefore disabled by default.
+N: See apt-secure(8) manpage for repository creation and user configuration details." aptget update
+
+    # ensure we keep the repo
+    testfileequal lists.before "$(listcurrentlistsdirectory)"
+    assert_repo_is_intact
+}
+
+test_inrelease_to_invalid_inrelease()
+{
+    export APT_DONT_SIGN='Release.gpg'
+    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!/' "$APTARCHIVE/dists/unstable/InRelease"
+    inject_evil_package
+
+    testwarningequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:${APTARCHIVE} unstable InRelease: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
+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
+}
+
+test_release_gpg_to_invalid_release_release_gpg()
+{
+    export APT_DONT_SIGN='InRelease'
+    setupaptarchive_with_lists_clean
+    testsuccess aptget update
+    listcurrentlistsdirectory > lists.before
+
+    # now subvert Release do no longer verify
+    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>
+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
+}
+
+
+TESTDIR="$(readlink -f "$(dirname "$0")")"
+. "$TESTDIR/framework"
+
+setupenvironment
+configarchitecture "i386"
+
+# a "normal" package with source and binary
+buildsimplenativepackage 'foo' 'all' '2.0'
+
+# setup the archive and ensure we have a single package that installs fine
+setupaptarchive
+APTARCHIVE="$(readlink -f ./aptarchive)"
+assert_repo_is_intact
+
+# test the various cases where a repo may go from signed->unsigned
+msgmsg "test_from_inrelease_to_unsigned"
+test_from_inrelease_to_unsigned
+
+msgmsg "test_from_release_gpg_to_unsigned"
+test_from_release_gpg_to_unsigned
+
+# ensure we do not regress on CVE-2012-0214
+msgmsg "test_cve_2012_0214"
+test_cve_2012_0214
+
+# ensure InRelease can not be subverted
+msgmsg "test_subvert_inrelease"
+test_subvert_inrelease
+
+# ensure we revert to last good state if InRelease does not verify
+msgmsg "test_inrelease_to_invalid_inrelease"
+test_inrelease_to_invalid_inrelease
+
+# 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
+msgmsg "test_from_inrelease_to_norelease_with_override"
+test_from_inrelease_to_norelease_with_override