Doublecheck if real FIPS host available in GH actions

Closes https://github.com/keycloak/keycloak/issues/15069

.github/fake_fips/Makefile

@@ -0,0 +1,6 @@
+obj-m = fake_fips.o
+KVERSION = $(shell uname -r)
+all:
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) modules
+clean:
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) clean

.github/fake_fips/fake_fips.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2023 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * https://github.com/torvalds/linux/blob/master/crypto/fips.c
+ * https://pointer-overloading.blogspot.com/2013/09/linux-creating-entry-in-proc-file.html
+ */
+
+#include <linux/module.h>
+#include <linux/sysctl.h>
+
+int fips_enabled = 1;
+
+static struct ctl_table crypto_sysctl_table[] = {
+	{
+		.procname	= "fips_enabled",
+		.data		= &fips_enabled,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= proc_dointvec
+	},
+        {}
+};
+static struct ctl_table crypto_dir_table[] = {
+	{
+		.procname       = "crypto",
+		.mode           = 0555,
+		.child          = crypto_sysctl_table
+	},
+	{}
+};
+
+static struct ctl_table_header *crypto_sysctls;
+
+static void crypto_proc_fips_init(void)
+{
+	crypto_sysctls = register_sysctl_table(crypto_dir_table);
+}
+
+static void crypto_proc_fips_exit(void)
+{
+	unregister_sysctl_table(crypto_sysctls);
+}
+
+static int __init fips_init(void)
+{
+	crypto_proc_fips_init();
+	return 0;
+}
+
+static void __exit fips_exit(void)
+{
+	crypto_proc_fips_exit();
+}
+
+MODULE_LICENSE("GPL");
+subsys_initcall(fips_init);
+module_exit(fips_exit);

.github/scripts/run-fips-it.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+dnf install -y java-17-openjdk-devel crypto-policies-scripts
+fips-mode-setup --enable --no-bootcfg
+fips-mode-setup --is-enabled
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+STRICT_OPTIONS=""
+if [ "$1" = "strict" ]; then
+  STRICT_OPTIONS="-Dauth.server.fips.mode=strict -Dauth.server.supported.keystore.types=BCFKS -Dauth.server.keystore.type=bcfks -Dauth.server.supported.rsa.key.sizes=2048,4096"
+fi
+echo "STRICT_OPTIONS: $STRICT_OPTIONS"
+TESTS=`testsuite/integration-arquillian/tests/base/testsuites/suite.sh fips`
+echo "Tests: $TESTS"
+export JAVA_HOME=/etc/alternatives/java_sdk_17
+./mvnw test -Dsurefire.rerunFailingTestsCount=$SUREFIRE_RERUN_FAILING_COUNT -nsu -B -Pauth-server-quarkus,auth-server-fips140-2 -Dcom.redhat.fips=false $STRICT_OPTIONS -Dtest=$TESTS -pl testsuite/integration-arquillian/tests/base | misc/log/trimmer.sh

.github/scripts/run-fips-ut.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+dnf install -y java-17-openjdk-devel crypto-policies-scripts
+fips-mode-setup --enable --no-bootcfg
+fips-mode-setup --is-enabled
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+echo "fips.provider.7=XMLDSig" >>/etc/alternatives/java_sdk_17/conf/security/java.security
+export JAVA_HOME=/etc/alternatives/java_sdk_17
+./mvnw test -nsu -B -am -pl crypto/default,crypto/fips1402 -Dcom.redhat.fips=true
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+./mvnw test -nsu -B -am -pl crypto/default,crypto/fips1402 -Dcom.redhat.fips=true -Dorg.bouncycastle.fips.approved_only=true

.github/workflows/ci.yml

@@ -390,15 +390,20 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Fake fips
+        run: |
+          cd .github/fake_fips
+          make
+          sudo insmod fake_fips.ko
+
       - id: unit-test-setup
         name: Unit test setup
         uses: ./.github/actions/unit-test-setup
+        with:
+          jdk-version: 17
 
-      - name: Run crypto tests (BCFIPS non-approved mode)
-        run: ./mvnw test -nsu -B -am -pl crypto/default,crypto/fips1402,crypto/elytron -Dcom.redhat.fips=true
-
-      - name: Run crypto tests (BCFIPS approved mode)
-        run: ./mvnw test -nsu -B -am -pl crypto/default,crypto/fips1402,crypto/elytron -Dcom.redhat.fips=true -Dorg.bouncycastle.fips.approved_only=true
+      - name: Run crypto tests
+        run: docker run --rm --workdir /github/workspace -v "${{ github.workspace }}":"/github/workspace" -v "$HOME/.m2":"/root/.m2" registry.access.redhat.com/ubi8/ubi:latest .github/scripts/run-fips-ut.sh
 
       - name: Upload JVM Heapdumps
         if: always()
@@ -424,21 +429,23 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Fake fips
+        run: |
+          cd .github/fake_fips
+          make
+          sudo insmod fake_fips.ko
+
       - id: integration-test-setup
         name: Integration test setup
         uses: ./.github/actions/integration-test-setup
+        with:
+          jdk-version: 17
 
       - name: Prepare Quarkus distribution with BCFIPS
         run: ./mvnw install -nsu -B -e -pl testsuite/integration-arquillian/servers/auth-server/quarkus -Pauth-server-quarkus,auth-server-fips140-2
 
       - name: Run base tests
-        run: |
-          declare -A PARAMS
-          PARAMS["non-strict"]=""
-          PARAMS["strict"]="-Dauth.server.fips.mode=strict -Dauth.server.supported.keystore.types=BCFKS -Dauth.server.keystore.type=bcfks -Dauth.server.supported.rsa.key.sizes=2048,4096"          
-          TESTS=`testsuite/integration-arquillian/tests/base/testsuites/suite.sh fips`
-          echo "Tests: $TESTS"
-          ./mvnw test -Dsurefire.rerunFailingTestsCount=${{ env.SUREFIRE_RERUN_FAILING_COUNT }} -nsu -B -Pauth-server-quarkus,auth-server-fips140-2 ${PARAMS["${{ matrix.mode }}"]} -Dtest=$TESTS -pl testsuite/integration-arquillian/tests/base | misc/log/trimmer.sh
+        run: docker run --rm --workdir /github/workspace -e "SUREFIRE_RERUN_FAILING_COUNT" -v "${{ github.workspace }}":"/github/workspace" -v "$HOME/.m2":"/root/.m2" registry.access.redhat.com/ubi8/ubi:latest .github/scripts/run-fips-it.sh ${{ matrix.mode }}
 
       - name: Upload JVM Heapdumps
         if: always()

common/src/test/java/org/keycloak/common/ProfileTest.java

@@ -11,13 +11,14 @@ import org.keycloak.common.profile.ProfileException;
 import org.keycloak.common.profile.PropertiesFileProfileConfigResolver;
 import org.keycloak.common.profile.PropertiesProfileConfigResolver;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.Comparator;
+import java.util.HashSet;
 import java.util.Properties;
 import java.util.Set;
 
@@ -69,7 +70,12 @@ public class ProfileTest {
         }
 
         Assert.assertEquals(Profile.ProfileName.DEFAULT, profile.getName());
-        assertEquals(profile.getDisabledFeatures(), Profile.Feature.ADMIN_FINE_GRAINED_AUTHZ, Profile.Feature.DYNAMIC_SCOPES, Profile.Feature.DOCKER, Profile.Feature.RECOVERY_CODES, Profile.Feature.SCRIPTS, Profile.Feature.TOKEN_EXCHANGE, Profile.Feature.OPENSHIFT_INTEGRATION, Profile.Feature.MAP_STORAGE, Profile.Feature.DECLARATIVE_USER_PROFILE, Profile.Feature.CLIENT_SECRET_ROTATION, Profile.Feature.UPDATE_EMAIL);
+        Set<Profile.Feature> disabledFeatutes = new HashSet<>(Arrays.asList(Profile.Feature.ADMIN_FINE_GRAINED_AUTHZ, Profile.Feature.DYNAMIC_SCOPES, Profile.Feature.DOCKER, Profile.Feature.RECOVERY_CODES, Profile.Feature.SCRIPTS, Profile.Feature.TOKEN_EXCHANGE, Profile.Feature.OPENSHIFT_INTEGRATION, Profile.Feature.MAP_STORAGE, Profile.Feature.DECLARATIVE_USER_PROFILE, Profile.Feature.CLIENT_SECRET_ROTATION, Profile.Feature.UPDATE_EMAIL));
+        // KERBEROS can be disabled (i.e. FIPS mode disables SunJGSS provider)
+        if (Profile.Feature.KERBEROS.getType() == Profile.Feature.Type.DISABLED_BY_DEFAULT) {
+            disabledFeatutes.add(Profile.Feature.KERBEROS);
+        }
+        assertEquals(profile.getDisabledFeatures(), disabledFeatutes);
         assertEquals(profile.getPreviewFeatures(), Profile.Feature.ADMIN_FINE_GRAINED_AUTHZ, Profile.Feature.RECOVERY_CODES, Profile.Feature.SCRIPTS, Profile.Feature.TOKEN_EXCHANGE, Profile.Feature.OPENSHIFT_INTEGRATION, Profile.Feature.DECLARATIVE_USER_PROFILE, Profile.Feature.CLIENT_SECRET_ROTATION, Profile.Feature.UPDATE_EMAIL);
     }
 
@@ -226,8 +232,12 @@ public class ProfileTest {
         Assert.assertTrue(Profile.isFeatureEnabled(PREVIEW_FEATURE));
     }
 
+    public static void assertEquals(Set<Profile.Feature> actual, Collection<Profile.Feature> expected) {
+        assertEquals(actual, expected.toArray(new Profile.Feature[0]));
+    }
+
     public static void assertEquals(Set<Profile.Feature> actual, Profile.Feature... expected) {
-        Profile.Feature[] a = actual.toArray(new Profile.Feature[actual.size()]);
+        Profile.Feature[] a = actual.toArray(new Profile.Feature[0]);
         Arrays.sort(a, new FeatureComparator());
         Arrays.sort(expected, new FeatureComparator());
         Assert.assertArrayEquals(a, expected);