From ab67ec279fddec6fb6c32b19a502b82ab7de5ab9 Mon Sep 17 00:00:00 2001 From: Dimitri John Ledkov Date: Thu, 5 Aug 2021 15:59:46 +0100 Subject: [PATCH] UBUNTU: SAUCE: integrity: add informational messages when revoking certs integrity_load_cert() prints messages of the source and cert details when adding certs as trusted. Mirror those messages in uefi_revocation_list_x509() when adding certs as revoked. Sample dmesg with this change: integrity: Platform Keyring initialized integrity: Loading X.509 certificate: UEFI:db integrity: Loaded X.509 cert 'Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4' integrity: Revoking X.509 certificate: UEFI:MokListXRT (MOKvar table) blacklist: Revoked X.509 cert 'Canonical Ltd. Secure Boot Signing: 61482aa2830d0ab2ad5af10b7250da9033ddcef0' integrity: Loading X.509 certificate: UEFI:MokListRT (MOKvar table) integrity: Loaded X.509 cert 'Canonical Ltd. Master Certificate Authority: ad91990bc22ab1f517048c23b6655a268e345a63' BugLink: https://bugs.launchpad.net/bugs/1928679 Signed-off-by: Dimitri John Ledkov Acked-by: Krzysztof Kozlowski Signed-off-by: Seth Forshee (cherry picked from commit ba9fb788f89cb81c5ed836db2355a7a3b0f8c248) Signed-off-by: Dimitri John Ledkov Acked-by: Stefan Bader Acked-by: Andy Whitcroft [KelseyS: SHA1 from cherry pick line is from Impish. Patch has been submitted to upstream, though not yet reviewed/applied.] Signed-off-by: Kelsey Skunberg --- certs/blacklist.c | 3 +++ security/integrity/platform_certs/keyring_handler.c | 1 + 2 files changed, 4 insertions(+) diff --git a/certs/blacklist.c b/certs/blacklist.c index c973de883cf0..7638dfaca7fb 100644 --- a/certs/blacklist.c +++ b/certs/blacklist.c @@ -171,6 +171,9 @@ int add_key_to_revocation_list(const char *data, size_t size) if (IS_ERR(key)) { pr_err("Problem with revocation key (%ld)\n", PTR_ERR(key)); return PTR_ERR(key); + } else { + pr_notice("Revoked X.509 cert '%s'\n", + key_ref_to_ptr(key)->description); } return 0; diff --git a/security/integrity/platform_certs/keyring_handler.c b/security/integrity/platform_certs/keyring_handler.c index 5604bd57c990..9f85626702b2 100644 --- a/security/integrity/platform_certs/keyring_handler.c +++ b/security/integrity/platform_certs/keyring_handler.c @@ -61,6 +61,7 @@ static __init void uefi_blacklist_binary(const char *source, static __init void uefi_revocation_list_x509(const char *source, const void *data, size_t len) { + pr_info("Revoking X.509 certificate: %s\n", source); add_key_to_revocation_list(data, len); } -- 2.39.5