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[PATCH 2/6] ssh signing: add key lifetime test prereqs

From
Fabian Stelzer <fs@gigacodes.de>
Date
Oct 22, 2021, 15:09 UTC
Message-ID
<20211022150949.1754477-3-fs@gigacodes.de>
In-Reply-To
<20211022150949.1754477-1-fs@gigacodes.de>

if ssh-keygen supports -Overify-time, add test keys marked as expired, not yet valid and valid both within the test_tick timeframe and outside of it.

Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
---
 t/lib-gpg.sh | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/t/lib-gpg.sh b/t/lib-gpg.sh
index f99ef3e859..139e7a45ea 100644
--- a/t/lib-gpg.sh
+++ b/t/lib-gpg.sh
@@ -90,6 +90,10 @@ test_lazy_prereq RFC1991 '
 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_PASSPHRASE="super_secret"
 GPGSSH_ALLOWED_SIGNERS="${GNUPGHOME}/ssh.all_valid.allowedSignersFile"
@@ -112,7 +116,20 @@ test_lazy_prereq GPGSSH '
 	echo "\"principal with number 2\" $(cat "${GPGSSH_KEY_SECONDARY}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}" &&
 	ssh-keygen -t ed25519 -N "${GPGSSH_KEY_PASSPHRASE}" -C "git ed25519 encrypted key" -f "${GPGSSH_KEY_WITH_PASSPHRASE}" >/dev/null &&
 	echo "\"principal with number 3\" $(cat "${GPGSSH_KEY_WITH_PASSPHRASE}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}" &&
-	ssh-keygen -t ed25519 -N "" -f "${GPGSSH_KEY_UNTRUSTED}" >/dev/null
+	ssh-keygen -t ed25519 -N "" -C "git ed25519 key" -f "${GPGSSH_KEY_UNTRUSTED}" >/dev/null
+'
+
+test_lazy_prereq GPGSSH_VERIFYTIME '
+	# Check if ssh-keygen has a verify-time option by passing an invalid date to it
+	ssh-keygen -Overify-time=INVALID -Y check-novalidate -s doesnotmatter 2>&1 | grep -q -F "Invalid \"verify-time\"" &&
+	ssh-keygen -t ed25519 -N "" -C "timeboxed valid key" -f "${GPGSSH_KEY_TIMEBOXEDVALID}" >/dev/null &&
+	echo "\"timeboxed valid key\" valid-after=\"20050407000000\",valid-before=\"200504100000\" $(cat "${GPGSSH_KEY_TIMEBOXEDVALID}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}" &&
+	ssh-keygen -t ed25519 -N "" -C "timeboxed invalid key" -f "${GPGSSH_KEY_TIMEBOXEDINVALID}" >/dev/null &&
+	echo "\"timeboxed invalid key\" valid-after=\"20050401000000\",valid-before=\"20050402000000\" $(cat "${GPGSSH_KEY_TIMEBOXEDINVALID}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}" &&
+	ssh-keygen -t ed25519 -N "" -C "expired key" -f "${GPGSSH_KEY_EXPIRED}" >/dev/null &&
+	echo "\"principal with expired key\" valid-before=\"20000101000000\" $(cat "${GPGSSH_KEY_EXPIRED}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}" &&
+	ssh-keygen -t ed25519 -N "" -C "not yet valid key" -f "${GPGSSH_KEY_NOTYETVALID}" >/dev/null &&
+	echo "\"principal with not yet valid key\" valid-after=\"29990101000000\" $(cat "${GPGSSH_KEY_NOTYETVALID}.pub")" >> "${GPGSSH_ALLOWED_SIGNERS}"
 '
 
 sanitize_pgp() {
-- 
2.31.1
Previous: Fabian Stelzer
Message 14 of 14 in “ssh signing: verify key lifetime”
  1. 0/6 ssh signing: verify key lifetimeFabian Stelzer, Oct 22, 2021
  2. 1/6 ssh signing: extend check_signature to accept payload metadataFabian Stelzer, Oct 22, 2021
  3. Junio C HamanoOct 23, 2021
  4. Fabian StelzerOct 25, 2021
  5. Junio C HamanoOct 25, 2021
  6. 3/6 ssh signing: verify-commit/check_signature with commit dateFabian Stelzer, Oct 22, 2021
  7. Ævar Arnfjörð BjarmasonOct 22, 2021
  8. Fabian StelzerOct 25, 2021
  9. 4/6 ssh signing: git log/check_signature with commit dateFabian Stelzer, Oct 22, 2021
  10. 5/6 ssh signing: verify-tag/check_signature with tag dateFabian Stelzer, Oct 22, 2021
  11. 6/6 ssh signing: fmt-merge-msg/check_signature with tag dateFabian Stelzer, Oct 22, 2021
  12. Ævar Arnfjörð BjarmasonOct 22, 2021
  13. Fabian StelzerOct 25, 2021
  14. 2/6 ssh signing: add key lifetime test prereqsFabian Stelzer, Oct 22, 2021

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