diff options
Diffstat (limited to 'sec-keys')
| -rw-r--r-- | sec-keys/openpgp-keys-gentoo-developers/Manifest | 1 | ||||
| -rw-r--r-- | sec-keys/openpgp-keys-gentoo-developers/openpgp-keys-gentoo-developers-20230821.ebuild | 233 |
2 files changed, 234 insertions, 0 deletions
diff --git a/sec-keys/openpgp-keys-gentoo-developers/Manifest b/sec-keys/openpgp-keys-gentoo-developers/Manifest index 7ca22f564074..5e35db5b9a86 100644 --- a/sec-keys/openpgp-keys-gentoo-developers/Manifest +++ b/sec-keys/openpgp-keys-gentoo-developers/Manifest @@ -3,3 +3,4 @@ DIST openpgp-keys-gentoo-developers-20230724-active-devs.gpg 3104679 BLAKE2B 817 DIST openpgp-keys-gentoo-developers-20230731-active-devs.gpg 3108002 BLAKE2B c21a16fe51f5d98f994299969a231fd77ba4904afe13acb40a8238f64f93efdfe824867897d607327d8208c7c59b4aad839453d88ff92b24b52e093c38d6e594 SHA512 4065ea276b0a911841faf8bec4f5b5c0a763fef0243d1538bae0c29e89cd0e1278d95143e0b9f24efdfd0bef5fd4f945a8666bb0b59f58fc0ede117228e6f45d DIST openpgp-keys-gentoo-developers-20230807-active-devs.gpg 3110732 BLAKE2B 10a5ee919a8c53a847b04a1c4b57e5934112d21daffd9a91cbd27d6813b687870f11632d908f10a435e6ea82b3228838d9486040dff900e2fabfda0019224521 SHA512 c6e40d79091821d5c4286e9e65a1611b3c974202c2cd1e2f2d751fa10eba761b4ca4db9009bc8b77dead4d3627038ea208e9fc0fe93ac3098076f9a7721f2f75 DIST openpgp-keys-gentoo-developers-20230814-active-devs.gpg 3099095 BLAKE2B 5519cecf793f214f4860109796872850c5f1aece0b5efc9b79554db75e512033b96baa9630e2456e45484fcc8903c19e2789859d316bbfc2fb6547eb857e38a0 SHA512 82daf2251d61d179fcd00f9e9e0dbea005e90bd541e2edc209abe3be91637a1a39d64860b29705f35685ff911d946129c6c869ec291a328253b92c1dd7bee529 +DIST openpgp-keys-gentoo-developers-20230821-active-devs.gpg 3099455 BLAKE2B c3a090a12639d73597cf74f8e8ee392cf0416f7b0411add1b1af0db20461b1b78ed6c14d028b6ed8d82218a158409bc483ce17bb86acae037350adcfd5f83e31 SHA512 78eae46850dfffec063651309526010ead55a3f0d6914d87e4c9fe15d6679ef45f3dc7b8587a7d6a172c0cb5545c1fd86b6756164132c957a1d442482eec214e diff --git a/sec-keys/openpgp-keys-gentoo-developers/openpgp-keys-gentoo-developers-20230821.ebuild b/sec-keys/openpgp-keys-gentoo-developers/openpgp-keys-gentoo-developers-20230821.ebuild new file mode 100644 index 000000000000..fda85a259ff6 --- /dev/null +++ b/sec-keys/openpgp-keys-gentoo-developers/openpgp-keys-gentoo-developers-20230821.ebuild @@ -0,0 +1,233 @@ +# Copyright 1999-2023 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +PYTHON_COMPAT=( python3_{10..12} ) +inherit edo python-any-r1 + +DESCRIPTION="Gentoo Authority Keys (GLEP 79)" +HOMEPAGE="https://www.gentoo.org/downloads/signatures/" +if [[ ${PV} == 9999* ]] ; then + PROPERTIES="live" + + BDEPEND="net-misc/curl" +else + SRC_URI="https://qa-reports.gentoo.org/output/keys/active-devs-${PV}.gpg -> ${P}-active-devs.gpg" + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86" +fi + +S="${WORKDIR}" + +LICENSE="public-domain" +SLOT="0" +IUSE="test" +RESTRICT="!test? ( test )" + +BDEPEND+=" + $(python_gen_any_dep 'dev-python/python-gnupg[${PYTHON_USEDEP}]') + sec-keys/openpgp-keys-gentoo-auth + test? ( + app-crypt/gnupg + sys-apps/grep[pcre] + ) +" + +python_check_deps() { + python_has_version "dev-python/python-gnupg[${PYTHON_USEDEP}]" +} + +src_unpack() { + if [[ ${PV} == 9999* ]] ; then + curl https://qa-reports.gentoo.org/output/active-devs.gpg -o ${P}-active-devs.gpg || die + else + default + fi +} + +src_compile() { + export GNUPGHOME="${T}"/.gnupg + + get_gpg_keyring_dir() { + if [[ ${PV} == 9999* ]] ; then + echo "${WORKDIR}" + else + echo "${DISTDIR}" + fi + } + + local mygpgargs=( + --no-autostart + --no-default-keyring + --homedir "${GNUPGHOME}" + ) + + # From verify-sig.eclass: + # "GPG upstream knows better than to follow the spec, so we can't + # override this directory. However, there is a clean fallback + # to GNUPGHOME." + addpredict /run/user + + mkdir "${GNUPGHOME}" || die + chmod 700 "${GNUPGHOME}" || die + + # Convert the binary keyring into an armored one so we can process it + edo gpg "${mygpgargs[@]}" --import "$(get_gpg_keyring_dir)"/${P}-active-devs.gpg + edo gpg "${mygpgargs[@]}" --export --armor > "${WORKDIR}"/gentoo-developers.asc + + # Now strip out the keys which are expired and/or missing a signature + # from our L2 developer authority key + edo "${EPYTHON}" "${FILESDIR}"/keyring-mangler.py \ + "${BROOT}"/usr/share/openpgp-keys/gentoo-auth.asc \ + "${WORKDIR}"/gentoo-developers.asc \ + "${WORKDIR}"/gentoo-developers-sanitised.asc +} + +src_test() { + export GNUPGHOME="${T}"/tests/.gnupg + + local mygpgargs=( + # We don't have --no-autostart here because we need + # to let it spawn an agent for the key generation. + --no-default-keyring + --homedir "${GNUPGHOME}" + ) + + # From verify-sig.eclass: + # "GPG upstream knows better than to follow the spec, so we can't + # override this directory. However, there is a clean fallback + # to GNUPGHOME." + addpredict /run/user + + # Check each of the keys to verify they're trusted by + # the L2 developer key. + mkdir -p "${GNUPGHOME}" || die + chmod 700 "${GNUPGHOME}" || die + cd "${T}"/tests || die + + # First, grab the L1 key, and mark it as ultimately trusted. + edo gpg "${mygpgargs[@]}" --import "${BROOT}"/usr/share/openpgp-keys/gentoo-auth.asc + edo gpg "${mygpgargs[@]}" --import-ownertrust "${BROOT}"/usr/share/openpgp-keys/gentoo-auth-ownertrust.txt + + # Generate a temporary key which isn't signed by anything to check + # whether we're detecting unexpected keys. + # + # The test is whether this appears in the sanitised keyring we + # produce in src_compile (it should not be in there). + # + # https://www.gnupg.org/documentation/manuals/gnupg/Unattended-GPG-key-generation.html + edo gpg "${mygpgargs[@]}" --batch --gen-key <<-EOF + %echo Generating temporary key for testing... + + %no-protection + %transient-key + %pubring ${P}-ebuild-test-key.asc + + Key-Type: 1 + Key-Length: 2048 + Subkey-Type: 1 + Subkey-Length: 2048 + Name-Real: Larry The Cow + Name-Email: larry@example.com + Expire-Date: 0 + Handle: ${P}-ebuild-test-key + + %commit + %echo Temporary key generated! + EOF + + # Import the new injected key that shouldn't be signed by anything into a temporary testing keyring + edo gpg "${mygpgargs[@]}" --import "${T}"/tests/${P}-ebuild-test-key.asc + + # Sign a tiny file with the to-be-injected key for testing rejection below + echo "Hello world!" > "${T}"/tests/signme || die + edo gpg "${mygpgargs[@]}" -u "Larry The Cow <larry@example.com>" --sign "${T}"/tests/signme || die + + edo gpg "${mygpgargs[@]}" --export --armor > "${T}"/tests/tainted-keyring.asc + + # keyring-mangler.py should now produce a keyring *without* it + edo "${EPYTHON}" "${FILESDIR}"/keyring-mangler.py \ + "${BROOT}"/usr/share/openpgp-keys/gentoo-auth.asc \ + "${T}"/tests/tainted-keyring.asc \ + "${T}"/tests/gentoo-developers-sanitised.asc | tee "${T}"/tests/keyring-mangler.log + assert "Key mangling in tests failed?" + + # Check the log to verify the injected key got detected + grep -q "Dropping key.*Larry The Cow" "${T}"/tests/keyring-mangler.log || die "Did not remove injected key from test keyring!" + + # gnupg doesn't have an easy way for us to actually just.. ask + # if a key is known via WoT. So, sign a file using the key + # we just made, and then try to gpg --verify it, and check exit code. + # + # Let's now double check by seeing if a file signed by the injected key + # is rejected. + if gpg "${mygpgargs[@]}" --keyring "${T}"/tests/gentoo-developers-sanitised.asc --verify "${T}"/tests/signme.gpg ; then + die "'gpg --verify' using injected test key succeeded! This shouldn't happen!" + fi + + # Bonus lame sanity check + edo gpg "${mygpgargs[@]}" --check-trustdb 2>&1 | tee "${T}"/tests/trustdb.log + assert "trustdb call failed!" + + check_trust_levels() { + local mode=${1} + + while IFS= read -r line; do + # gpg: depth: 0 valid: 1 signed: 2 trust: 0-, 0q, 0n, 0m, 0f, 1u + # gpg: depth: 1 valid: 2 signed: 0 trust: 0-, 0q, 0n, 0m, 2f, 0u + if [[ ${line} == *depth* ]] ; then + depth=$(echo ${line} | grep -Po "depth: [0-9]") + trust=$(echo ${line} | grep -Po "trust:.*") + + trust_uncalculated=$(echo ${trust} | grep -Po "[0-9]-") + [[ ${trust_uncalculated} == 0 ]] || ${mode} + + trust_insufficient=$(echo ${trust} | grep -Po "[0-9]q") + [[ ${trust_insufficient} == 0 ]] || ${mode} + + trust_never=$(echo ${trust} | grep -Po "[0-9]n") + [[ ${trust_never} == 0 ]] || ${mode} + + trust_marginal=$(echo ${trust} | grep -Po "[0-9]m") + [[ ${trust_marginal} == 0 ]] || ${mode} + + trust_full=$(echo ${trust} | grep -Po "[0-9]f") + [[ ${trust_full} != 0 ]] || ${mode} + + trust_ultimate=$(echo ${trust} | grep -Po "[0-9]u") + [[ ${trust_ultimate} == 1 ]] || ${mode} + + echo "${trust_uncalculated}, ${trust_insufficient}" + fi + done < "${T}"/tests/trustdb.log + } + + # First, check with the bad key still in the test keyring. + # This is supposed to fail, so we want it to return 1 + check_trust_levels "return 1" && die "Trustdb passed when it should have failed!" + + # Now check without the bad key in the test keyring. + # This one should pass. + # + # Drop the bad key first (https://superuser.com/questions/174583/how-to-delete-gpg-secret-keys-by-force-without-fingerprint) + keys=$(gpg "${mygpgargs[@]}" --fingerprint --with-colons --batch "Larry The Cow <larry@example.com>" \ + | grep "^fpr" \ + | sed -n 's/^fpr:::::::::\([[:alnum:]]\+\):/\1/p') + + local key + for key in ${keys[@]} ; do + nonfatal edo gpg "${mygpgargs[@]}" --batch --yes --delete-secret-keys ${key} + done + + edo gpg "${mygpgargs[@]}" --batch --yes --delete-keys "Larry The Cow <larry@example.com>" + check_trust_levels "return 0" || die "Trustdb failed when it should have passed!" + + gpgconf --kill gpg-agent || die +} + +src_install() { + insinto /usr/share/openpgp-keys + newins gentoo-developers-sanitised.asc gentoo-developers.asc + + # TODO: install an ownertrust file like sec-keys/openpgp-keys-gentoo-auth? +} |