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Accepting request 1164464 from Base:System

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OBS-URL: https://build.opensuse.org/request/show/1164464
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/s390-tools?expand=0&rev=74
This commit is contained in:
Ana Guerrero 2024-04-04 20:26:15 +00:00 committed by Git OBS Bridge
commit 5f5d153391
6 changed files with 853 additions and 0 deletions
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286
s390-tools-sles15sp5-01-rust-pv-support-Armonk-in-IBM-signing-key-subject.patch Normal file
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@ -0,0 +1,286 @@
Index: s390-tools-service/rust/pv/src/verify.rs
===================================================================
--- s390-tools-service.orig/rust/pv/src/verify.rs
+++ s390-tools-service/rust/pv/src/verify.rs
@@ -3,10 +3,11 @@
// Copyright IBM Corp. 2023
use core::slice;
-use log::debug;
+use log::{debug, trace};
+use openssl::error::ErrorStack;
use openssl::stack::Stack;
use openssl::x509::store::X509Store;
-use openssl::x509::{CrlStatus, X509Ref, X509StoreContext, X509};
+use openssl::x509::{CrlStatus, X509NameRef, X509Ref, X509StoreContext, X509StoreContextRef, X509};
use openssl_extensions::crl::StackableX509Crl;
use openssl_extensions::crl::X509StoreContextExtension;
@@ -82,8 +83,8 @@ impl HkdVerifier for CertVerifier {
if verified_crls.is_empty() {
bail_hkd_verify!(NoCrl);
}
- for crl in &verified_crls {
- match crl.get_by_cert(&hkd.to_owned()) {
+ for crl in verified_crls {
+ match crl.get_by_serial(hkd.serial_number()) {
CrlStatus::NotRevoked => (),
_ => bail_hkd_verify!(HdkRevoked),
}
@@ -94,21 +95,54 @@ impl HkdVerifier for CertVerifier {
}
impl CertVerifier {
+ fn quirk_crls(
+ ctx: &mut X509StoreContextRef,
+ subject: &X509NameRef,
+ ) -> Result<Stack<StackableX509Crl>, ErrorStack> {
+ match ctx.crls(subject) {
+ Ok(ret) if !ret.is_empty() => return Ok(ret),
+ _ => (),
+ }
+
+ // Armonk/Poughkeepsie fixup
+ trace!("quirk_crls: Try Locality");
+ if let Some(locality_subject) = helper::armonk_locality_fixup(subject) {
+ match ctx.crls(&locality_subject) {
+ Ok(ret) if !ret.is_empty() => return Ok(ret),
+ _ => (),
+ }
+
+ // reorder
+ trace!("quirk_crls: Try Locality+Reorder");
+ if let Ok(locality_ordered_subject) = helper::reorder_x509_names(&locality_subject) {
+ match ctx.crls(&locality_ordered_subject) {
+ Ok(ret) if !ret.is_empty() => return Ok(ret),
+ _ => (),
+ }
+ }
+ }
+
+ // reorder unchanged loaciliy subject
+ trace!("quirk_crls: Try Reorder");
+ if let Ok(ordered_subject) = helper::reorder_x509_names(subject) {
+ match ctx.crls(&ordered_subject) {
+ Ok(ret) if !ret.is_empty() => return Ok(ret),
+ _ => (),
+ }
+ }
+ // nothing found, return empty stack
+ Stack::new()
+ }
+
///Download the CLRs that a HKD refers to.
pub fn hkd_crls(&self, hkd: &X509Ref) -> Result<Stack<StackableX509Crl>> {
let mut ctx = X509StoreContext::new()?;
// Unfortunately we cannot use a dedicated function here and have to use a closure (E0434)
// Otherwise, we cannot refer to self
+ // Search for local CRLs
let mut crls = ctx.init_opt(&self.store, None, None, |ctx| {
let subject = self.ibm_z_sign_key.subject_name();
- match ctx.crls(subject) {
- Ok(crls) => Ok(crls),
- _ => {
- // reorder the name and try again
- let broken_subj = helper::reorder_x509_names(subject)?;
- ctx.crls(&broken_subj).or_else(helper::stack_err_hlp)
- }
- }
+ Self::quirk_crls(ctx, subject)
})?;
if !self.offline {
Index: s390-tools-service/rust/pv/src/verify/helper.rs
===================================================================
--- s390-tools-service.orig/rust/pv/src/verify/helper.rs
+++ s390-tools-service/rust/pv/src/verify/helper.rs
@@ -13,7 +13,7 @@ use openssl::{
error::ErrorStack,
nid::Nid,
ssl::SslFiletype,
- stack::{Stack, Stackable},
+ stack::Stack,
x509::{
store::{File, X509Lookup, X509StoreBuilder, X509StoreBuilderRef, X509StoreRef},
verify::{X509VerifyFlags, X509VerifyParam},
@@ -25,6 +25,7 @@ use openssl_extensions::{
akid::{AkidCheckResult, AkidExtension},
crl::X509StoreExtension,
};
+use std::str::from_utf8;
use std::{cmp::Ordering, ffi::c_int, time::Duration, usize};
/// Minimum security level for the keys/certificates used to establish a chain of
@@ -39,7 +40,6 @@ const SECURITY_CHAIN_MAX_LEN: c_int = 2;
/// verifies that the HKD
/// * has enough security bits
/// * is inside its validity period
-/// * issuer name is the subject name of the [`sign_key`]
/// * the Authority Key ID matches the Signing Key ID of the [`sign_key`]
pub fn verify_hkd_options(hkd: &X509Ref, sign_key: &X509Ref) -> Result<()> {
let hk_pkey = hkd.public_key()?;
@@ -53,9 +53,6 @@ pub fn verify_hkd_options(hkd: &X509Ref,
// verify that the hkd is still valid
check_validity_period(hkd.not_before(), hkd.not_after())?;
- // check if hkd.issuer_name == issuer.subject
- check_x509_name_equal(sign_key.subject_name(), hkd.issuer_name())?;
-
// verify that the AKID of the hkd matches the SKID of the issuer
if let Some(akid) = hkd.akid() {
if akid.check(sign_key) != AkidCheckResult::OK {
@@ -75,9 +72,6 @@ pub fn verify_crl(crl: &X509CrlRef, issu
return None;
}
}
-
- check_x509_name_equal(crl.issuer_name(), issuer.subject_name()).ok()?;
-
match crl.verify(issuer.public_key().ok()?.as_ref()).ok()? {
true => Some(()),
false => None,
@@ -207,7 +201,8 @@ pub fn download_crls_into_store(store: &
//Asn1StringRef::as_slice aka ASN1_STRING_get0_data gives a string without \0 delimiter
const IBM_Z_COMMON_NAME: &[u8; 43usize] = b"International Business Machines Corporation";
const IBM_Z_COUNTRY_NAME: &[u8; 2usize] = b"US";
-const IBM_Z_LOCALITY_NAME: &[u8; 12usize] = b"Poughkeepsie";
+const IBM_Z_LOCALITY_NAME_POUGHKEEPSIE: &[u8; 12usize] = b"Poughkeepsie";
+const IBM_Z_LOCALITY_NAME_ARMONK: &[u8; 6usize] = b"Armonk";
const IBM_Z_ORGANIZATIONAL_UNIT_NAME_SUFFIX: &str = "Key Signing Service";
const IBM_Z_ORGANIZATION_NAME: &[u8; 43usize] = b"International Business Machines Corporation";
const IBM_Z_STATE: &[u8; 8usize] = b"New York";
@@ -226,7 +221,8 @@ fn is_ibm_signing_cert(cert: &X509) -> b
if subj.entries().count() != IMB_Z_ENTRY_COUNT
|| !name_data_eq(subj, Nid::COUNTRYNAME, IBM_Z_COUNTRY_NAME)
|| !name_data_eq(subj, Nid::STATEORPROVINCENAME, IBM_Z_STATE)
- || !name_data_eq(subj, Nid::LOCALITYNAME, IBM_Z_LOCALITY_NAME)
+ || !(name_data_eq(subj, Nid::LOCALITYNAME, IBM_Z_LOCALITY_NAME_POUGHKEEPSIE)
+ || name_data_eq(subj, Nid::LOCALITYNAME, IBM_Z_LOCALITY_NAME_ARMONK))
|| !name_data_eq(subj, Nid::ORGANIZATIONNAME, IBM_Z_ORGANIZATION_NAME)
|| !name_data_eq(subj, Nid::COMMONNAME, IBM_Z_COMMON_NAME)
{
@@ -367,24 +363,6 @@ fn check_validity_period(not_before: &As
}
}
-fn check_x509_name_equal(lhs: &X509NameRef, rhs: &X509NameRef) -> Result<()> {
- if lhs.entries().count() != rhs.entries().count() {
- bail_hkd_verify!(IssuerMismatch);
- }
-
- for l in lhs.entries() {
- // search for the matching value in the rhs names
- // found none? -> names are not equal
- if !rhs
- .entries()
- .any(|r| l.data().as_slice() == r.data().as_slice())
- {
- bail_hkd_verify!(IssuerMismatch);
- }
- }
- Ok(())
-}
-
const NIDS_CORRECT_ORDER: [Nid; 6] = [
Nid::COUNTRYNAME,
Nid::ORGANIZATIONNAME,
@@ -407,13 +385,28 @@ pub fn reorder_x509_names(subject: &X509
Ok(correct_subj.build())
}
-pub fn stack_err_hlp<T: Stackable>(
- e: ErrorStack,
-) -> std::result::Result<Stack<T>, openssl::error::ErrorStack> {
- match e.errors().len() {
- 0 => Stack::<T>::new(),
- _ => Err(e),
+/**
+* Workaround for potential locality mismatches between CRLs and Certs
+* # Return
+* fixed subject or none if locality was not Armonk or any OpenSSL error
+*/
+pub fn armonk_locality_fixup(subject: &X509NameRef) -> Option<X509Name> {
+ if !name_data_eq(subject, Nid::LOCALITYNAME, IBM_Z_LOCALITY_NAME_ARMONK) {
+ return None;
+ }
+
+ let mut ret = X509Name::builder().ok()?;
+ for entry in subject.entries() {
+ match entry.object().nid() {
+ nid @ Nid::LOCALITYNAME => ret
+ .append_entry_by_nid(nid, from_utf8(IBM_Z_LOCALITY_NAME_POUGHKEEPSIE).ok()?)
+ .ok()?,
+ _ => {
+ ret.append_entry(entry).ok()?;
+ }
+ }
}
+ Some(ret.build())
}
#[cfg(test)]
@@ -451,20 +444,6 @@ mod test {
));
}
- #[test]
- fn x509_name_equal() {
- let sign_crt = load_gen_cert("ibm.crt");
- let hkd = load_gen_cert("host.crt");
- let other = load_gen_cert("inter_ca.crt");
-
- assert!(super::check_x509_name_equal(sign_crt.subject_name(), hkd.issuer_name()).is_ok(),);
-
- assert!(matches!(
- super::check_x509_name_equal(other.subject_name(), hkd.subject_name()),
- Err(Error::HkdVerify(IssuerMismatch))
- ));
- }
-
#[test]
fn is_ibm_z_sign_key() {
let ibm_crt = load_gen_cert("ibm.crt");
Index: s390-tools-service/rust/pv/src/verify/test.rs
===================================================================
--- s390-tools-service.orig/rust/pv/src/verify/test.rs
+++ s390-tools-service/rust/pv/src/verify/test.rs
@@ -84,7 +84,6 @@ fn verify_online() {
let inter_crt = get_cert_asset_path_string("inter_ca.crt");
let ibm_crt = get_cert_asset_path_string("ibm.crt");
let hkd_revoked = load_gen_cert("host_rev.crt");
- let hkd_inv = load_gen_cert("host_invalid_signing_key.crt");
let hkd_exp = load_gen_cert("host_crt_expired.crt");
let hkd = load_gen_cert("host.crt");
@@ -112,11 +111,6 @@ fn verify_online() {
));
assert!(matches!(
- verifier.verify(&hkd_inv),
- Err(Error::HkdVerify(IssuerMismatch))
- ));
-
- assert!(matches!(
verifier.verify(&hkd_exp),
Err(Error::HkdVerify(AfterValidity))
));
@@ -130,7 +124,6 @@ fn verify_offline() {
let ibm_crt = get_cert_asset_path_string("ibm.crt");
let ibm_crl = get_cert_asset_path_string("ibm.crl");
let hkd_revoked = load_gen_cert("host_rev.crt");
- let hkd_inv = load_gen_cert("host_invalid_signing_key.crt");
let hkd_exp = load_gen_cert("host_crt_expired.crt");
let hkd = load_gen_cert("host.crt");
@@ -149,11 +142,6 @@ fn verify_offline() {
));
assert!(matches!(
- verifier.verify(&hkd_inv),
- Err(Error::HkdVerify(IssuerMismatch))
- ));
-
- assert!(matches!(
verifier.verify(&hkd_exp),
Err(Error::HkdVerify(AfterValidity))
));

304
s390-tools-sles15sp6-02-genprotimg-support-Armonk-in-IBM-signing-key-subject.patch Normal file
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@ -0,0 +1,304 @@
Index: s390-tools-service/genprotimg/src/include/pv_crypto_def.h
===================================================================
--- s390-tools-service.orig/genprotimg/src/include/pv_crypto_def.h
+++ s390-tools-service/genprotimg/src/include/pv_crypto_def.h
@@ -17,7 +17,8 @@
/* IBM signing key subject */
#define PV_IBM_Z_SUBJECT_COMMON_NAME "International Business Machines Corporation"
#define PV_IBM_Z_SUBJECT_COUNTRY_NAME "US"
-#define PV_IBM_Z_SUBJECT_LOCALITY_NAME "Poughkeepsie"
+#define PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE "Poughkeepsie"
+#define PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK "Armonk"
#define PV_IBM_Z_SUBJECT_ORGANIZATIONONAL_UNIT_NAME_SUFFIX "Key Signing Service"
#define PV_IBM_Z_SUBJECT_ORGANIZATION_NAME "International Business Machines Corporation"
#define PV_IBM_Z_SUBJECT_STATE "New York"
Index: s390-tools-service/genprotimg/src/utils/crypto.c
===================================================================
--- s390-tools-service.orig/genprotimg/src/utils/crypto.c
+++ s390-tools-service/genprotimg/src/utils/crypto.c
@@ -664,62 +664,9 @@ static gboolean x509_name_data_by_nid_eq
return memcmp(data, y, data_len) == 0;
}
-static gboolean own_X509_NAME_ENTRY_equal(const X509_NAME_ENTRY *x,
- const X509_NAME_ENTRY *y)
-{
- const ASN1_OBJECT *x_obj = X509_NAME_ENTRY_get_object(x);
- const ASN1_STRING *x_data = X509_NAME_ENTRY_get_data(x);
- const ASN1_OBJECT *y_obj = X509_NAME_ENTRY_get_object(y);
- const ASN1_STRING *y_data = X509_NAME_ENTRY_get_data(y);
- gint x_len = ASN1_STRING_length(x_data);
- gint y_len = ASN1_STRING_length(y_data);
-
- if (x_len < 0 || x_len != y_len)
- return FALSE;
-
- /* ASN1_STRING_cmp(x_data, y_data) == 0 doesn't work because it also
- * compares the type, which is sometimes different.
- */
- return OBJ_cmp(x_obj, y_obj) == 0 &&
- memcmp(ASN1_STRING_get0_data(x_data),
- ASN1_STRING_get0_data(y_data),
- (unsigned long)x_len) == 0;
-}
-
-static gboolean own_X509_NAME_equal(const X509_NAME *x, const X509_NAME *y)
-{
- gint x_count = X509_NAME_entry_count(x);
- gint y_count = X509_NAME_entry_count(y);
-
- if (x != y && (!x || !y))
- return FALSE;
-
- if (x_count != y_count)
- return FALSE;
-
- for (gint i = 0; i < x_count; i++) {
- const X509_NAME_ENTRY *entry_i = X509_NAME_get_entry(x, i);
- gboolean entry_found = FALSE;
-
- for (gint j = 0; j < y_count; j++) {
- const X509_NAME_ENTRY *entry_j =
- X509_NAME_get_entry(y, j);
-
- if (own_X509_NAME_ENTRY_equal(entry_i, entry_j)) {
- entry_found = TRUE;
- break;
- }
- }
-
- if (!entry_found)
- return FALSE;
- }
- return TRUE;
-}
-
/* Checks whether the subject of @cert is a IBM signing key subject. For this we
* must check that the subject is equal to: 'C = US, ST = New York, L =
- * Poughkeepsie, O = International Business Machines Corporation, CN =
+ * Poughkeepsie or Armonk, O = International Business Machines Corporation, CN =
* International Business Machines Corporation' and the organization unit (OUT)
* must end with the suffix ' Key Signing Service'.
*/
@@ -743,8 +690,10 @@ static gboolean has_ibm_signing_subject(
PV_IBM_Z_SUBJECT_STATE))
return FALSE;
- if (!x509_name_data_by_nid_equal(subject, NID_localityName,
- PV_IBM_Z_SUBJECT_LOCALITY_NAME))
+ if (!(x509_name_data_by_nid_equal(subject, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE) ||
+ x509_name_data_by_nid_equal(subject, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK)))
return FALSE;
if (!x509_name_data_by_nid_equal(subject, NID_organizationName,
@@ -806,6 +755,39 @@ static X509_NAME *x509_name_reorder_attr
return g_steal_pointer(&ret);
}
+/** Replace locality 'Armonk' with 'Pougkeepsie'. If Armonk was not set return
+ * `NULL`.
+ */
+static X509_NAME *x509_armonk_locality_fixup(const X509_NAME *name)
+{
+ g_autoptr(X509_NAME) ret = NULL;
+ int pos;
+
+ /* Check if ``L=Armonk`` */
+ if (!x509_name_data_by_nid_equal((X509_NAME *)name, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK))
+ return NULL;
+
+ ret = X509_NAME_dup(name);
+ if (!ret)
+ g_abort();
+
+ pos = X509_NAME_get_index_by_NID(ret, NID_localityName, -1);
+ if (pos == -1)
+ return NULL;
+
+ X509_NAME_ENTRY_free(X509_NAME_delete_entry(ret, pos));
+
+ /* Create a new name entry at the same position as before */
+ if (X509_NAME_add_entry_by_NID(
+ ret, NID_localityName, MBSTRING_UTF8,
+ (const unsigned char *)&PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE,
+ sizeof(PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE) - 1, pos, 0) != 1)
+ return NULL;
+
+ return g_steal_pointer(&ret);
+}
+
/* In RFC 5280 the attributes of a (subject/issuer) name is not mandatory
* ordered. The problem is that our certificates are not consistent in the order
* (see https://tools.ietf.org/html/rfc5280#section-4.1.2.4 for details).
@@ -828,24 +810,10 @@ X509_NAME *c2b_name(const X509_NAME *nam
return X509_NAME_dup((X509_NAME *)name);
}
-/* Verify that: subject(issuer) == issuer(crl) and SKID(issuer) == AKID(crl) */
+/* Verify that SKID(issuer) == AKID(crl) if available */
static gint check_crl_issuer(X509_CRL *crl, X509 *issuer, GError **err)
{
- const X509_NAME *crl_issuer = X509_CRL_get_issuer(crl);
- const X509_NAME *issuer_subject = X509_get_subject_name(issuer);
- AUTHORITY_KEYID *akid = NULL;
-
- if (!own_X509_NAME_equal(issuer_subject, crl_issuer)) {
- g_autofree char *issuer_subject_str = X509_NAME_oneline(issuer_subject,
- NULL, 0);
- g_autofree char *crl_issuer_str = X509_NAME_oneline(crl_issuer, NULL, 0);
-
- g_set_error(err, PV_CRYPTO_ERROR,
- PV_CRYPTO_ERROR_CRL_SUBJECT_ISSUER_MISMATCH,
- _("issuer mismatch:\n%s\n%s"),
- issuer_subject_str, crl_issuer_str);
- return -1;
- }
+ g_autoptr(AUTHORITY_KEYID) akid = NULL;
/* If AKID(@crl) is specified it must match with SKID(@issuer) */
akid = X509_CRL_get_ext_d2i(crl, NID_authority_key_identifier, NULL, NULL);
@@ -881,7 +849,6 @@ gint check_crl_valid_for_cert(X509_CRL *
return -1;
}
- /* check that the @crl issuer matches with the subject name of @cert*/
if (check_crl_issuer(crl, cert, err) < 0)
return -1;
@@ -910,6 +877,60 @@ gint check_crl_valid_for_cert(X509_CRL *
return 0;
}
+/* This function contains work-arounds for some known subject(CRT)<->issuer(CRL)
+ * issues.
+ */
+static STACK_OF_X509_CRL *quirk_X509_STORE_ctx_get1_crls(X509_STORE_CTX *ctx,
+ const X509_NAME *subject, GError **err)
+{
+ g_autoptr(X509_NAME) fixed_subject = NULL;
+ g_autoptr(STACK_OF_X509_CRL) ret = NULL;
+
+ ret = Pv_X509_STORE_CTX_get1_crls(ctx, subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ /* Workaround to fix the mismatch between issuer name of the * IBM
+ * signing CRLs and the IBM signing key subject name. Locality name has
+ * changed from Poughkeepsie to Armonk.
+ */
+ fixed_subject = x509_armonk_locality_fixup(subject);
+ /* Was the locality replaced? */
+ if (fixed_subject) {
+ X509_NAME *tmp;
+
+ sk_X509_CRL_free(ret);
+ ret = Pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ /* Workaround to fix the ordering mismatch between issuer name
+ * of the IBM signing CRLs and the IBM signing key subject name.
+ */
+ tmp = fixed_subject;
+ fixed_subject = c2b_name(fixed_subject);
+ X509_NAME_free(tmp);
+ sk_X509_CRL_free(ret);
+ ret = Pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+ X509_NAME_free(fixed_subject);
+ fixed_subject = NULL;
+ }
+
+ /* Workaround to fix the ordering mismatch between issuer name of the
+ * IBM signing CRLs and the IBM signing key subject name.
+ */
+ fixed_subject = c2b_name(subject);
+ sk_X509_CRL_free(ret);
+ ret = Pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ g_set_error(err, PV_CRYPTO_ERROR, PV_CRYPTO_ERROR_NO_CRL, _("no CRL found"));
+ return NULL;
+}
+
/* Given a certificate @cert try to find valid revocation lists in @ctx. If no
* valid CRL was found NULL is returned.
*/
@@ -927,20 +948,9 @@ STACK_OF_X509_CRL *store_ctx_find_valid_
return NULL;
}
- ret = X509_STORE_CTX_get1_crls(ctx, subject);
- if (!ret) {
- /* Workaround to fix the mismatch between issuer name of the
- * IBM Z signing CRLs and the IBM Z signing key subject name.
- */
- g_autoptr(X509_NAME) broken_subject = c2b_name(subject);
-
- ret = X509_STORE_CTX_get1_crls(ctx, broken_subject);
- if (!ret) {
- g_set_error(err, PV_CRYPTO_ERROR, PV_CRYPTO_ERROR_NO_CRL,
- _("no CRL found"));
- return NULL;
- }
- }
+ ret = quirk_X509_STORE_ctx_get1_crls(ctx, subject, err);
+ if (!ret)
+ return NULL;
/* Filter out non-valid CRLs for @cert */
for (gint i = 0; i < sk_X509_CRL_num(ret); i++) {
@@ -1328,32 +1338,14 @@ gint check_chain_parameters(const STACK_
/* It's almost the same as X509_check_issed from OpenSSL does except that we
* don't check the key usage of the potential issuer. This means we check:
- * 1. issuer_name(cert) == subject_name(issuer)
- * 2. Check whether the akid(cert) (if available) matches the issuer skid
- * 3. Check that the cert algrithm matches the subject algorithm
- * 4. Verify the signature of certificate @cert is using the public key of
+ * 1. Check whether the akid(cert) (if available) matches the issuer skid
+ * 2. Check that the cert algrithm matches the subject algorithm
+ * 3. Verify the signature of certificate @cert is using the public key of
* @issuer.
*/
static gint check_host_key_issued(X509 *cert, X509 *issuer, GError **err)
{
- const X509_NAME *issuer_subject = X509_get_subject_name(issuer);
- const X509_NAME *cert_issuer = X509_get_issuer_name(cert);
- AUTHORITY_KEYID *akid = NULL;
-
- /* We cannot use X509_NAME_cmp() because it considers the order of the
- * X509_NAME_Entries.
- */
- if (!own_X509_NAME_equal(issuer_subject, cert_issuer)) {
- g_autofree char *issuer_subject_str =
- X509_NAME_oneline(issuer_subject, NULL, 0);
- g_autofree char *cert_issuer_str =
- X509_NAME_oneline(cert_issuer, NULL, 0);
- g_set_error(err, PV_CRYPTO_ERROR,
- PV_CRYPTO_ERROR_CERT_SUBJECT_ISSUER_MISMATCH,
- _("Subject issuer mismatch:\n'%s'\n'%s'"),
- issuer_subject_str, cert_issuer_str);
- return -1;
- }
+ g_autoptr(AUTHORITY_KEYID) akid = NULL;
akid = X509_get_ext_d2i(cert, NID_authority_key_identifier, NULL, NULL);
if (akid && X509_check_akid(issuer, akid) != X509_V_OK) {
Index: s390-tools-service/genprotimg/src/utils/crypto.h
===================================================================
--- s390-tools-service.orig/genprotimg/src/utils/crypto.h
+++ s390-tools-service/genprotimg/src/utils/crypto.h
@@ -75,6 +75,7 @@ void x509_pair_free(x509_pair *pair);
/* Register auto cleanup functions */
WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(ASN1_INTEGER, ASN1_INTEGER_free)
WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(ASN1_OCTET_STRING, ASN1_OCTET_STRING_free)
+WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(AUTHORITY_KEYID, AUTHORITY_KEYID_free)
WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(BIGNUM, BN_free)
WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(BIO, BIO_free_all)
WRAPPED_G_DEFINE_AUTOPTR_CLEANUP_FUNC(BN_CTX, BN_CTX_free)

224
s390-tools-sles15sp6-03-libpv-support-Armonk-in-IBM-signing-key-subject.patch Normal file
View File

@ -0,0 +1,224 @@
Index: s390-tools-service/include/libpv/cert.h
===================================================================
--- s390-tools-service.orig/include/libpv/cert.h
+++ s390-tools-service/include/libpv/cert.h
@@ -16,7 +16,8 @@
#define PV_IBM_Z_SUBJECT_COMMON_NAME "International Business Machines Corporation"
#define PV_IBM_Z_SUBJECT_COUNTRY_NAME "US"
-#define PV_IBM_Z_SUBJECT_LOCALITY_NAME "Poughkeepsie"
+#define PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE "Poughkeepsie"
+#define PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK "Armonk"
#define PV_IBM_Z_SUBJECT_ORGANIZATIONAL_UNIT_NAME_SUFFIX "Key Signing Service"
#define PV_IBM_Z_SUBJECT_ORGANIZATION_NAME "International Business Machines Corporation"
#define PV_IBM_Z_SUBJECT_STATE "New York"
Index: s390-tools-service/libpv/cert.c
===================================================================
--- s390-tools-service.orig/libpv/cert.c
+++ s390-tools-service/libpv/cert.c
@@ -857,7 +857,7 @@ static gboolean x509_name_data_by_nid_eq
/* Checks whether the subject of @cert is a IBM signing key subject. For this we
* must check that the subject is equal to: 'C = US, ST = New York, L =
- * Poughkeepsie, O = International Business Machines Corporation, CN =
+ * Poughkeepsie or Armonk, O = International Business Machines Corporation, CN =
* International Business Machines Corporation' and the organization unit (OUT)
* must end with the suffix ' Key Signing Service'.
*/
@@ -879,7 +879,10 @@ static gboolean has_ibm_signing_subject(
if (!x509_name_data_by_nid_equal(subject, NID_stateOrProvinceName, PV_IBM_Z_SUBJECT_STATE))
return FALSE;
- if (!x509_name_data_by_nid_equal(subject, NID_localityName, PV_IBM_Z_SUBJECT_LOCALITY_NAME))
+ if (!(x509_name_data_by_nid_equal(subject, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE) ||
+ x509_name_data_by_nid_equal(subject, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK)))
return FALSE;
if (!x509_name_data_by_nid_equal(subject, NID_organizationName,
@@ -1085,10 +1088,9 @@ static int check_signature_algo_match(co
/* It's almost the same as X509_check_issed from OpenSSL does except that we
* don't check the key usage of the potential issuer. This means we check:
- * 1. issuer_name(cert) == subject_name(issuer)
- * 2. Check whether the akid(cert) (if available) matches the issuer skid
- * 3. Check that the cert algrithm matches the subject algorithm
- * 4. Verify the signature of certificate @cert is using the public key of
+ * 1. Check whether the akid(cert) (if available) matches the issuer skid
+ * 2. Check that the cert algrithm matches the subject algorithm
+ * 3. Verify the signature of certificate @cert is using the public key of
* @issuer.
*/
static int check_host_key_issued(X509 *cert, X509 *issuer, GError **error)
@@ -1097,19 +1099,6 @@ static int check_host_key_issued(X509 *c
const X509_NAME *cert_issuer = X509_get_issuer_name(cert);
g_autoptr(AUTHORITY_KEYID) akid = NULL;
- /* We cannot use X509_NAME_cmp() because it considers the order of the
- * X509_NAME_Entries.
- */
- if (!own_X509_NAME_equal(issuer_subject, cert_issuer)) {
- g_autofree char *issuer_subject_str = pv_X509_NAME_oneline(issuer_subject);
- g_autofree char *cert_issuer_str = pv_X509_NAME_oneline(cert_issuer);
-
- g_set_error(error, PV_CERT_ERROR, PV_CERT_ERROR_CERT_SUBJECT_ISSUER_MISMATCH,
- _("Subject issuer mismatch:\n'%s'\n'%s'"), issuer_subject_str,
- cert_issuer_str);
- return -1;
- }
-
akid = X509_get_ext_d2i(cert, NID_authority_key_identifier, NULL, NULL);
if (akid && X509_check_akid(issuer, akid) != X509_V_OK) {
g_set_error(error, PV_CERT_ERROR, PV_CERT_ERROR_SKID_AKID_MISMATCH,
@@ -1286,21 +1275,10 @@ int pv_verify_cert(X509_STORE_CTX *ctx,
return 0;
}
-/* Verify that: subject(issuer) == issuer(crl) and SKID(issuer) == AKID(crl) */
+/* Verify that SKID(issuer) == AKID(crl) */
static int check_crl_issuer(X509_CRL *crl, X509 *issuer, GError **error)
{
- const X509_NAME *crl_issuer = X509_CRL_get_issuer(crl);
- const X509_NAME *issuer_subject = X509_get_subject_name(issuer);
- AUTHORITY_KEYID *akid = NULL;
-
- if (!own_X509_NAME_equal(issuer_subject, crl_issuer)) {
- g_autofree char *issuer_subject_str = pv_X509_NAME_oneline(issuer_subject);
- g_autofree char *crl_issuer_str = pv_X509_NAME_oneline(crl_issuer);
-
- g_set_error(error, PV_CERT_ERROR, PV_CERT_ERROR_CRL_SUBJECT_ISSUER_MISMATCH,
- _("issuer mismatch:\n%s\n%s"), issuer_subject_str, crl_issuer_str);
- return -1;
- }
+ g_autoptr(AUTHORITY_KEYID) akid = NULL;
/* If AKID(@crl) is specified it must match with SKID(@issuer) */
akid = X509_CRL_get_ext_d2i(crl, NID_authority_key_identifier, NULL, NULL);
@@ -1325,7 +1303,6 @@ int pv_verify_crl(X509_CRL *crl, X509 *c
return -1;
}
- /* check that the @crl issuer matches with the subject name of @cert*/
if (check_crl_issuer(crl, cert, error) < 0)
return -1;
@@ -1393,6 +1370,93 @@ int pv_check_chain_parameters(const STAC
return 0;
}
+/** Replace locality 'Armonk' with 'Pougkeepsie'. If Armonk was not set return
+ * `NULL`.
+ */
+static X509_NAME *x509_armonk_locality_fixup(const X509_NAME *name)
+{
+ g_autoptr(X509_NAME) ret = NULL;
+ int pos;
+
+ /* Check if ``L=Armonk`` */
+ if (!x509_name_data_by_nid_equal((X509_NAME *)name, NID_localityName,
+ PV_IBM_Z_SUBJECT_LOCALITY_NAME_ARMONK))
+ return NULL;
+
+ ret = X509_NAME_dup(name);
+ if (!ret)
+ g_abort();
+
+ pos = X509_NAME_get_index_by_NID(ret, NID_localityName, -1);
+ if (pos == -1)
+ return NULL;
+
+ X509_NAME_ENTRY_free(X509_NAME_delete_entry(ret, pos));
+
+ /* Create a new name entry at the same position as before */
+ if (X509_NAME_add_entry_by_NID(
+ ret, NID_localityName, MBSTRING_UTF8,
+ (const unsigned char *)&PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE,
+ sizeof(PV_IBM_Z_SUBJECT_LOCALITY_NAME_POUGHKEEPSIE) - 1, pos, 0) != 1)
+ return NULL;
+
+ return g_steal_pointer(&ret);
+}
+
+/* This function contains work-arounds for some known subject(CRT)<->issuer(CRL)
+ * issues.
+ */
+static STACK_OF_X509_CRL *quirk_X509_STORE_ctx_get1_crls(X509_STORE_CTX *ctx,
+ const X509_NAME *subject, GError **err)
+{
+ g_autoptr(X509_NAME) fixed_subject = NULL;
+ g_autoptr(STACK_OF_X509_CRL) ret = NULL;
+
+ ret = pv_X509_STORE_CTX_get1_crls(ctx, subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ /* Workaround to fix the mismatch between issuer name of the * IBM
+ * signing CRLs and the IBM signing key subject name. Locality name has
+ * changed from Poughkeepsie to Armonk.
+ */
+ fixed_subject = x509_armonk_locality_fixup(subject);
+ /* Was the locality replaced? */
+ if (fixed_subject) {
+ X509_NAME *tmp;
+
+ sk_X509_CRL_free(ret);
+ ret = pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ /* Workaround to fix the ordering mismatch between issuer name
+ * of the IBM signing CRLs and the IBM signing key subject name.
+ */
+ tmp = fixed_subject;
+ fixed_subject = pv_c2b_name(fixed_subject);
+ X509_NAME_free(tmp);
+ sk_X509_CRL_free(ret);
+ ret = pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+ X509_NAME_free(fixed_subject);
+ fixed_subject = NULL;
+ }
+
+ /* Workaround to fix the ordering mismatch between issuer name of the
+ * IBM signing CRLs and the IBM signing key subject name.
+ */
+ fixed_subject = pv_c2b_name(subject);
+ sk_X509_CRL_free(ret);
+ ret = pv_X509_STORE_CTX_get1_crls(ctx, fixed_subject);
+ if (ret && sk_X509_CRL_num(ret) > 0)
+ return g_steal_pointer(&ret);
+
+ g_set_error(err, PV_CERT_ERROR, PV_CERT_ERROR_NO_CRL, _("no CRL found"));
+ return NULL;
+}
+
/* Given a certificate @cert try to find valid revocation lists in @ctx. If no
* valid CRL was found NULL is returned.
*/
@@ -1412,21 +1476,9 @@ STACK_OF_X509_CRL *pv_store_ctx_find_val
return NULL;
}
- ret = pv_X509_STORE_CTX_get1_crls(ctx, subject);
- if (!ret) {
- /* Workaround to fix the mismatch between issuer name of the
- * IBM Z signing CRLs and the IBM Z signing key subject name.
- */
- g_autoptr(X509_NAME) broken_subject = pv_c2b_name(subject);
-
- ret = pv_X509_STORE_CTX_get1_crls(ctx, broken_subject);
- if (!ret) {
- g_set_error(error, PV_CERT_ERROR, PV_CERT_ERROR_NO_CRL, _("no CRL found"));
- g_info("ERROR: %s", (*error)->message);
- return NULL;
- }
- }
-
+ ret = quirk_X509_STORE_ctx_get1_crls(ctx, subject, error);
+ if (!ret)
+ return NULL;
/* Filter out non-valid CRLs for @cert */
for (int i = 0; i < sk_X509_CRL_num(ret); i++) {
X509_CRL *crl = sk_X509_CRL_value(ret, i);

25
s390-tools-sles15sp6-04-pvattest-Fix-root-ca-parsing.patch Normal file
View File

@ -0,0 +1,25 @@
Index: s390-tools-service/pvattest/src/argparse.c
===================================================================
--- s390-tools-service.orig/pvattest/src/argparse.c
+++ s390-tools-service/pvattest/src/argparse.c
@@ -190,13 +190,13 @@ static gboolean hex_str_toull(const char
}
/* NOTE REQUIRED */
-#define _entry_root_ca(__arg_data, __indent) \
- { \
- .long_name = "root-ca", .short_name = 0, .flags = G_OPTION_FLAG_NONE, \
- .arg = G_OPTION_ARG_FILENAME_ARRAY, .arg_data = __arg_data, \
- .description = "Use FILE as the trusted root CA instead the\n" __indent \
- "root CAs that are installed on the system (optional).\n", \
- .arg_description = "FILE", \
+#define _entry_root_ca(__arg_data, __indent) \
+ { \
+ .long_name = "root-ca", .short_name = 0, .flags = G_OPTION_FLAG_NONE, \
+ .arg = G_OPTION_ARG_FILENAME, .arg_data = __arg_data, \
+ .description = "Use FILE as the trusted root CA instead the\n" __indent \
+ "root CAs that are installed on the system (optional).\n", \
+ .arg_description = "FILE", \
}
/* NOTE REQUIRED */

9
s390-tools.changes
View File

@ -1,3 +1,12 @@
-------------------------------------------------------------------
Thu Apr 4 03:51:55 UTC 2024 - Nikolay Gueorguiev <nikolay.gueorguiev@suse.com>
- SE-tooling: New IBM host-key subject locality (s390-tools) (bsc#1222282)
* s390-tools-sles15sp5-01-rust-pv-support-Armonk-in-IBM-signing-key-subject.patch
* s390-tools-sles15sp6-02-genprotimg-support-Armonk-in-IBM-signing-key-subject.patch
* s390-tools-sles15sp6-03-libpv-support-Armonk-in-IBM-signing-key-subject.patch
* s390-tools-sles15sp6-04-pvattest-Fix-root-ca-parsing.patch
-------------------------------------------------------------------
Tue Apr 2 05:32:45 UTC 2024 - Nikolay Gueorguiev <nikolay.gueorguiev@suse.com>

5
s390-tools.spec
View File

@ -155,6 +155,11 @@ Patch912: s390-tools-ALP-zdev-live.patch
Patch913: s390-tools-sles15sp6-kdump-initrd-59-zfcp-compat-rules.patch
Patch914: s390-tools-sles15sp6-genprotimg-makefile.patch
Patch915: s390-tools-sles15sp6-01-parse-ipl-device-for-activation.patch
### SE-tooling: New IBM host-key subject locality (s390-tools)
Patch916: s390-tools-sles15sp5-01-rust-pv-support-Armonk-in-IBM-signing-key-subject.patch
Patch917: s390-tools-sles15sp6-02-genprotimg-support-Armonk-in-IBM-signing-key-subject.patch
Patch918: s390-tools-sles15sp6-03-libpv-support-Armonk-in-IBM-signing-key-subject.patch
Patch919: s390-tools-sles15sp6-04-pvattest-Fix-root-ca-parsing.patch
###
BuildRequires: curl-devel