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Diffstat (limited to '')
| -rw-r--r-- | t/lib-gpg.sh | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/t/lib-gpg.sh b/t/lib-gpg.sh new file mode 100644 index 0000000..1147855 --- /dev/null +++ b/t/lib-gpg.sh @@ -0,0 +1,177 @@ +# We always set GNUPGHOME, even if no usable GPG was found, as +# +# - It does not hurt, and +# +# - we cannot set global environment variables in lazy prereqs because they are +# executed in an eval'ed subshell that changes the working directory to a +# temporary one. + +GNUPGHOME="$PWD/gpghome" +export GNUPGHOME + +test_lazy_prereq GPG ' + gpg_version=$(gpg --version 2>&1) + test $? != 127 || exit 1 + + # As said here: http://www.gnupg.org/documentation/faqs.html#q6.19 + # the gpg version 1.0.6 did not parse trust packets correctly, so for + # that version, creation of signed tags using the generated key fails. + case "$gpg_version" in + "gpg (GnuPG) 1.0.6"*) + say "Your version of gpg (1.0.6) is too buggy for testing" + exit 1 + ;; + *) + # Available key info: + # * Type DSA and Elgamal, size 2048 bits, no expiration date, + # name and email: C O Mitter <committer@example.com> + # * Type RSA, size 2048 bits, no expiration date, + # name and email: Eris Discordia <discord@example.net> + # No password given, to enable non-interactive operation. + # To generate new key: + # gpg --homedir /tmp/gpghome --gen-key + # To write armored exported key to keyring: + # gpg --homedir /tmp/gpghome --export-secret-keys \ + # --armor 0xDEADBEEF >> lib-gpg/keyring.gpg + # gpg --homedir /tmp/gpghome --export \ + # --armor 0xDEADBEEF >> lib-gpg/keyring.gpg + # To export ownertrust: + # gpg --homedir /tmp/gpghome --export-ownertrust \ + # > lib-gpg/ownertrust + mkdir "$GNUPGHOME" && + chmod 0700 "$GNUPGHOME" && + (gpgconf --kill all || : ) && + gpg --homedir "${GNUPGHOME}" --import \ + "$TEST_DIRECTORY"/lib-gpg/keyring.gpg && + gpg --homedir "${GNUPGHOME}" --import-ownertrust \ + "$TEST_DIRECTORY"/lib-gpg/ownertrust && + gpg --homedir "${GNUPGHOME}" </dev/null >/dev/null \ + --sign -u committer@example.com + ;; + esac +' + +test_lazy_prereq GPGSM ' + test_have_prereq GPG && + # Available key info: + # * see t/lib-gpg/gpgsm-gen-key.in + # To generate new certificate: + # * no passphrase + # gpgsm --homedir /tmp/gpghome/ \ + # -o /tmp/gpgsm.crt.user \ + # --generate-key \ + # --batch t/lib-gpg/gpgsm-gen-key.in + # To import certificate: + # gpgsm --homedir /tmp/gpghome/ \ + # --import /tmp/gpgsm.crt.user + # To export into a .p12 we can later import: + # gpgsm --homedir /tmp/gpghome/ \ + # -o t/lib-gpg/gpgsm_cert.p12 \ + # --export-secret-key-p12 "committer@example.com" + echo | gpgsm --homedir "${GNUPGHOME}" \ + --passphrase-fd 0 --pinentry-mode loopback \ + --import "$TEST_DIRECTORY"/lib-gpg/gpgsm_cert.p12 && + + gpgsm --homedir "${GNUPGHOME}" -K --with-colons | + awk -F ":" "/^fpr:/ {printf \"%s S relax\\n\", \$10}" \ + >"${GNUPGHOME}/trustlist.txt" && + (gpgconf --reload all || : ) && + + echo hello | gpgsm --homedir "${GNUPGHOME}" >/dev/null \ + -u committer@example.com -o /dev/null --sign - +' + +test_lazy_prereq RFC1991 ' + test_have_prereq GPG && + echo | gpg --homedir "${GNUPGHOME}" -b --rfc1991 >/dev/null +' + +GPGSSH_KEY_PRIMARY="${GNUPGHOME}/ed25519_ssh_signing_key" +GPGSSH_KEY_SECONDARY="${GNUPGHOME}/rsa_2048_ssh_signing_key" +GPGSSH_KEY_UNTRUSTED="${GNUPGHOME}/untrusted_ssh_signing_key" +GPGSSH_KEY_EXPIRED="${GNUPGHOME}/expired_ssh_signing_key" +GPGSSH_KEY_NOTYETVALID="${GNUPGHOME}/notyetvalid_ssh_signing_key" +GPGSSH_KEY_TIMEBOXEDVALID="${GNUPGHOME}/timeboxed_valid_ssh_signing_key" +GPGSSH_KEY_TIMEBOXEDINVALID="${GNUPGHOME}/timeboxed_invalid_ssh_signing_key" +GPGSSH_KEY_WITH_PASSPHRASE="${GNUPGHOME}/protected_ssh_signing_key" +GPGSSH_KEY_ECDSA="${GNUPGHOME}/ecdsa_ssh_signing_key" +GPGSSH_KEY_PASSPHRASE="super_secret" +GPGSSH_ALLOWED_SIGNERS="${GNUPGHOME}/ssh.all_valid.allowedSignersFile" + +GPGSSH_GOOD_SIGNATURE_TRUSTED='Good "git" signature for' +GPGSSH_GOOD_SIGNATURE_UNTRUSTED='Good "git" signature with' +GPGSSH_KEY_NOT_TRUSTED="No principal matched" +GPGSSH_BAD_SIGNATURE="Signature verification failed" + +test_lazy_prereq GPGSSH ' + ssh_version=$(ssh-keygen -Y find-principals -n "git" 2>&1) + test $? != 127 || exit 1 + echo $ssh_version | grep -q "find-principals:missing signature file" + test $? = 0 || exit 1; + + # Setup some keys and an allowed signers file + mkdir -p "${GNUPGHOME}" && + chmod 0700 "${GNUPGHOME}" && + (setfacl -k "${GNUPGHOME}" 2>/dev/null || true) && + ssh-keygen -t ed25519 -N "" -C "git ed25519 key" -f "${GPGSSH_KEY_PRIMARY}" >/dev/null && + ssh-keygen -t rsa -b 2048 -N "" -C "git rsa2048 key" -f "${GPGSSH_KEY_SECONDARY}" >/dev/null && + ssh-keygen -t ed25519 -N "${GPGSSH_KEY_PASSPHRASE}" -C "git ed25519 encrypted key" -f "${GPGSSH_KEY_WITH_PASSPHRASE}" >/dev/null && + ssh-keygen -t ecdsa -N "" -f "${GPGSSH_KEY_ECDSA}" >/dev/null && + ssh-keygen -t ed25519 -N "" -C "git ed25519 key" -f "${GPGSSH_KEY_UNTRUSTED}" >/dev/null && + + cat >"${GPGSSH_ALLOWED_SIGNERS}" <<-EOF && + "principal with number 1" $(cat "${GPGSSH_KEY_PRIMARY}.pub")" + "principal with number 2" $(cat "${GPGSSH_KEY_SECONDARY}.pub")" + "principal with number 3" $(cat "${GPGSSH_KEY_WITH_PASSPHRASE}.pub")" + "principal with number 4" $(cat "${GPGSSH_KEY_ECDSA}.pub")" + EOF + + # Verify if at least one key and ssh-keygen works as expected + echo "testpayload" | + ssh-keygen -Y sign -n "git" -f "${GPGSSH_KEY_PRIMARY}" >gpgssh_prereq.sig && + ssh-keygen -Y find-principals -f "${GPGSSH_ALLOWED_SIGNERS}" -s gpgssh_prereq.sig && + echo "testpayload" | + ssh-keygen -Y verify -n "git" -f "${GPGSSH_ALLOWED_SIGNERS}" -I "principal with number 1" -s gpgssh_prereq.sig +' + +test_lazy_prereq GPGSSH_VERIFYTIME ' + # Check if ssh-keygen has a verify-time option by passing an invalid date to it + ssh-keygen -Overify-time=INVALID -Y check-novalidate -s doesnotmatter 2>&1 | grep -q -F "Invalid \"verify-time\"" && + + # Set up keys with key lifetimes + ssh-keygen -t ed25519 -N "" -C "timeboxed valid key" -f "${GPGSSH_KEY_TIMEBOXEDVALID}" >/dev/null && + key_valid=$(cat "${GPGSSH_KEY_TIMEBOXEDVALID}.pub") && + ssh-keygen -t ed25519 -N "" -C "timeboxed invalid key" -f "${GPGSSH_KEY_TIMEBOXEDINVALID}" >/dev/null && + key_invalid=$(cat "${GPGSSH_KEY_TIMEBOXEDINVALID}.pub") && + ssh-keygen -t ed25519 -N "" -C "expired key" -f "${GPGSSH_KEY_EXPIRED}" >/dev/null && + key_expired=$(cat "${GPGSSH_KEY_EXPIRED}.pub") && + ssh-keygen -t ed25519 -N "" -C "not yet valid key" -f "${GPGSSH_KEY_NOTYETVALID}" >/dev/null && + key_notyetvalid=$(cat "${GPGSSH_KEY_NOTYETVALID}.pub") && + + # Timestamps outside of test_tick span + ts2005a=20050401000000 ts2005b=200504020000 && + # Timestamps within test_tick span + ts2005c=20050407000000 ts2005d=200504100000 && + # Definitely not yet valid / expired timestamps + ts2000=20000101000000 ts2999=29990101000000 && + + cat >>"${GPGSSH_ALLOWED_SIGNERS}" <<-EOF && + "timeboxed valid key" valid-after="$ts2005c",valid-before="$ts2005d" $key_valid" + "timeboxed invalid key" valid-after="$ts2005a",valid-before="$ts2005b" $key_invalid" + "principal with expired key" valid-before="$ts2000" $key_expired" + "principal with not yet valid key" valid-after="$ts2999" $key_notyetvalid" + EOF + + # and verify ssh-keygen verifies the key lifetime + echo "testpayload" | + ssh-keygen -Y sign -n "git" -f "${GPGSSH_KEY_EXPIRED}" >gpgssh_verifytime_prereq.sig && + ! (ssh-keygen -Y verify -n "git" -f "${GPGSSH_ALLOWED_SIGNERS}" -I "principal with expired key" -s gpgssh_verifytime_prereq.sig) +' + +sanitize_pgp() { + perl -ne ' + /^-----END PGP/ and $in_pgp = 0; + print unless $in_pgp; + /^-----BEGIN PGP/ and $in_pgp = 1; + ' +} |