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java-1.8.0-openjdk/rh1929465-improve_system_FIPS_detection-jdk.patch
Andrew Hughes 3034306917 Detect FIPS using SECMOD_GetSystemFIPSEnabled in the new libsystemconf JDK library. 
Port FIPS system detection support to OpenJDK 8u
Minor code cleanups on FIPS detection patch and check for SECMOD_GetSystemFIPSEnabled in configure.
Remove unneeded Requires on NSS as it will now be dynamically linked and detected by RPM.

Resolves: rhbz#1971696
2021-08-27 18:23:26 +01:00

345 lines
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diff --git openjdk.orig/jdk/make/lib/SecurityLibraries.gmk openjdk/jdk/make/lib/SecurityLibraries.gmk
--- openjdk.orig/jdk/make/lib/SecurityLibraries.gmk
+++ openjdk/jdk/make/lib/SecurityLibraries.gmk
@@ -289,3 +289,34 @@
endif
endif
+
+################################################################################
+# Create the systemconf library
+
+LIBSYSTEMCONF_CFLAGS :=
+LIBSYSTEMCONF_CXXFLAGS :=
+
+ifeq ($(USE_SYSCONF_NSS), true)
+ LIBSYSTEMCONF_CFLAGS += $(NSS_CFLAGS) -DSYSCONF_NSS
+ LIBSYSTEMCONF_CXXFLAGS += $(NSS_CFLAGS) -DSYSCONF_NSS
+endif
+
+ifeq ($(OPENJDK_BUILD_OS), linux)
+ $(eval $(call SetupNativeCompilation,BUILD_LIBSYSTEMCONF, \
+ LIBRARY := systemconf, \
+ OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
+ SRC := $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/java/security, \
+ LANG := C, \
+ OPTIMIZATION := LOW, \
+ CFLAGS := $(CFLAGS_JDKLIB) $(LIBSYSTEMCONF_CFLAGS), \
+ CXXFLAGS := $(CXXFLAGS_JDKLIB) $(LIBSYSTEMCONF_CXXFLAGS), \
+ MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libsystemconf/mapfile-vers, \
+ LDFLAGS := $(LDFLAGS_JDKLIB) \
+ $(call SET_SHARED_LIBRARY_ORIGIN), \
+ LDFLAGS_SUFFIX := $(LIBDL) $(NSS_LIBS), \
+ OBJECT_DIR := $(JDK_OUTPUTDIR)/objs/libsystemconf, \
+ DEBUG_SYMBOLS := $(DEBUG_ALL_BINARIES)))
+
+ BUILD_LIBRARIES += $(BUILD_LIBSYSTEMCONF)
+endif
+
diff --git openjdk.orig/jdk/make/mapfiles/libsystemconf/mapfile-vers openjdk/jdk/make/mapfiles/libsystemconf/mapfile-vers
new file mode 100644
--- /dev/null
+++ openjdk/jdk/make/mapfiles/libsystemconf/mapfile-vers
@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2021, Red Hat, Inc.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation. Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# Define public interface.
+
+SUNWprivate_1.1 {
+ global:
+ DEF_JNI_OnLoad;
+ DEF_JNI_OnUnLoad;
+ Java_java_security_SystemConfigurator_getSystemFIPSEnabled;
+ local:
+ *;
+};
diff --git openjdk.orig/jdk/src/share/classes/java/security/SystemConfigurator.java openjdk/jdk/src/share/classes/java/security/SystemConfigurator.java
--- openjdk.orig/jdk/src/share/classes/java/security/SystemConfigurator.java
+++ openjdk/jdk/src/share/classes/java/security/SystemConfigurator.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2019, 2020, Red Hat, Inc.
+ * Copyright (c) 2019, 2021, Red Hat, Inc.
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -30,14 +30,9 @@
import java.io.FileInputStream;
import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.FileSystems;
-import java.nio.file.Path;
-
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Properties;
-import java.util.regex.Pattern;
import sun.security.util.Debug;
@@ -59,10 +54,21 @@
private static final String CRYPTO_POLICIES_JAVA_CONFIG =
CRYPTO_POLICIES_BASE_DIR + "/back-ends/java.config";
- private static final String CRYPTO_POLICIES_CONFIG =
- CRYPTO_POLICIES_BASE_DIR + "/config";
+ private static boolean systemFipsEnabled = false;
+
+ private static final String SYSTEMCONF_NATIVE_LIB = "systemconf";
+
+ private static native boolean getSystemFIPSEnabled()
+ throws IOException;
- private static boolean systemFipsEnabled = false;
+ static {
+ AccessController.doPrivileged(new PrivilegedAction<Void>() {
+ public Void run() {
+ System.loadLibrary(SYSTEMCONF_NATIVE_LIB);
+ return null;
+ }
+ });
+ }
/*
* Invoked when java.security.Security class is initialized, if
@@ -171,17 +177,34 @@
}
/*
- * FIPS is enabled only if crypto-policies are set to "FIPS"
- * and the com.redhat.fips property is true.
+ * OpenJDK FIPS mode will be enabled only if the com.redhat.fips
+ * system property is true (default) and the system is in FIPS mode.
+ *
+ * There are 2 possible ways in which OpenJDK detects that the system
+ * is in FIPS mode: 1) if the NSS SECMOD_GetSystemFIPSEnabled API is
+ * available at OpenJDK's built-time, it is called; 2) otherwise, the
+ * /proc/sys/crypto/fips_enabled file is read.
*/
- private static boolean enableFips() throws Exception {
+ private static boolean enableFips() throws IOException {
boolean shouldEnable = Boolean.valueOf(System.getProperty("com.redhat.fips", "true"));
if (shouldEnable) {
- Path configPath = FileSystems.getDefault().getPath(CRYPTO_POLICIES_CONFIG);
- String cryptoPoliciesConfig = new String(Files.readAllBytes(configPath));
- if (sdebug != null) { sdebug.println("Crypto config:\n" + cryptoPoliciesConfig); }
- Pattern pattern = Pattern.compile("^FIPS$", Pattern.MULTILINE);
- return pattern.matcher(cryptoPoliciesConfig).find();
+ if (sdebug != null) {
+ sdebug.println("Calling getSystemFIPSEnabled (libsystemconf)...");
+ }
+ try {
+ shouldEnable = getSystemFIPSEnabled();
+ if (sdebug != null) {
+ sdebug.println("Call to getSystemFIPSEnabled (libsystemconf) returned: "
+ + shouldEnable);
+ }
+ return shouldEnable;
+ } catch (IOException e) {
+ if (sdebug != null) {
+ sdebug.println("Call to getSystemFIPSEnabled (libsystemconf) failed:");
+ sdebug.println(e.getMessage());
+ }
+ throw e;
+ }
} else {
return false;
}
diff --git openjdk.orig/jdk/src/solaris/native/java/security/systemconf.c openjdk/jdk/src/solaris/native/java/security/systemconf.c
new file mode 100644
--- /dev/null
+++ openjdk/jdk/src/solaris/native/java/security/systemconf.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2021, Red Hat, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <dlfcn.h>
+#include <jni.h>
+#include <jni_util.h>
+#include <stdio.h>
+
+#ifdef SYSCONF_NSS
+#include <nss3/pk11pub.h>
+#endif //SYSCONF_NSS
+
+#include "java_security_SystemConfigurator.h"
+
+#define FIPS_ENABLED_PATH "/proc/sys/crypto/fips_enabled"
+#define MSG_MAX_SIZE 96
+
+static jmethodID debugPrintlnMethodID = NULL;
+static jobject debugObj = NULL;
+
+static void throwIOException(JNIEnv *env, const char *msg);
+static void dbgPrint(JNIEnv *env, const char* msg);
+
+/*
+ * Class: java_security_SystemConfigurator
+ * Method: JNI_OnLoad
+ */
+JNIEXPORT jint JNICALL DEF_JNI_OnLoad(JavaVM *vm, void *reserved)
+{
+ JNIEnv *env;
+ jclass sysConfCls, debugCls;
+ jfieldID sdebugFld;
+
+ if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_2) != JNI_OK) {
+ return JNI_EVERSION; /* JNI version not supported */
+ }
+
+ sysConfCls = (*env)->FindClass(env,"java/security/SystemConfigurator");
+ if (sysConfCls == NULL) {
+ printf("libsystemconf: SystemConfigurator class not found\n");
+ return JNI_ERR;
+ }
+ sdebugFld = (*env)->GetStaticFieldID(env, sysConfCls,
+ "sdebug", "Lsun/security/util/Debug;");
+ if (sdebugFld == NULL) {
+ printf("libsystemconf: SystemConfigurator::sdebug field not found\n");
+ return JNI_ERR;
+ }
+ debugObj = (*env)->GetStaticObjectField(env, sysConfCls, sdebugFld);
+ if (debugObj != NULL) {
+ debugCls = (*env)->FindClass(env,"sun/security/util/Debug");
+ if (debugCls == NULL) {
+ printf("libsystemconf: Debug class not found\n");
+ return JNI_ERR;
+ }
+ debugPrintlnMethodID = (*env)->GetMethodID(env, debugCls,
+ "println", "(Ljava/lang/String;)V");
+ if (debugPrintlnMethodID == NULL) {
+ printf("libsystemconf: Debug::println(String) method not found\n");
+ return JNI_ERR;
+ }
+ debugObj = (*env)->NewGlobalRef(env, debugObj);
+ }
+
+ return (*env)->GetVersion(env);
+}
+
+/*
+ * Class: java_security_SystemConfigurator
+ * Method: JNI_OnUnload
+ */
+JNIEXPORT void JNICALL DEF_JNI_OnUnload(JavaVM *vm, void *reserved)
+{
+ JNIEnv *env;
+
+ if (debugObj != NULL) {
+ if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_2) != JNI_OK) {
+ return; /* Should not happen */
+ }
+ (*env)->DeleteGlobalRef(env, debugObj);
+ }
+}
+
+JNIEXPORT jboolean JNICALL Java_java_security_SystemConfigurator_getSystemFIPSEnabled
+ (JNIEnv *env, jclass cls)
+{
+ int fips_enabled;
+ char msg[MSG_MAX_SIZE];
+ int msg_bytes;
+
+#ifdef SYSCONF_NSS
+
+ dbgPrint(env, "getSystemFIPSEnabled: calling SECMOD_GetSystemFIPSEnabled");
+ fips_enabled = SECMOD_GetSystemFIPSEnabled();
+ msg_bytes = snprintf(msg, MSG_MAX_SIZE, "getSystemFIPSEnabled:" \
+ " SECMOD_GetSystemFIPSEnabled returned 0x%x", fips_enabled);
+ if (msg_bytes > 0 && msg_bytes < MSG_MAX_SIZE) {
+ dbgPrint(env, msg);
+ } else {
+ dbgPrint(env, "getSystemFIPSEnabled: cannot render" \
+ " SECMOD_GetSystemFIPSEnabled return value");
+ }
+ return (fips_enabled == 1 ? JNI_TRUE : JNI_FALSE);
+
+#else // SYSCONF_NSS
+
+ FILE *fe;
+
+ dbgPrint(env, "getSystemFIPSEnabled: reading " FIPS_ENABLED_PATH);
+ if ((fe = fopen(FIPS_ENABLED_PATH, "r")) == NULL) {
+ throwIOException(env, "Cannot open " FIPS_ENABLED_PATH);
+ }
+ fips_enabled = fgetc(fe);
+ fclose(fe);
+ if (fips_enabled == EOF) {
+ throwIOException(env, "Cannot read " FIPS_ENABLED_PATH);
+ }
+ msg_bytes = snprintf(msg, MSG_MAX_SIZE, "getSystemFIPSEnabled:" \
+ " read character is '%c'", fips_enabled);
+ if (msg_bytes > 0 && msg_bytes < MSG_MAX_SIZE) {
+ dbgPrint(env, msg);
+ } else {
+ dbgPrint(env, "getSystemFIPSEnabled: cannot render" \
+ " read character");
+ }
+ return (fips_enabled == '1' ? JNI_TRUE : JNI_FALSE);
+
+#endif // SYSCONF_NSS
+}
+
+static void throwIOException(JNIEnv *env, const char *msg)
+{
+ jclass cls = (*env)->FindClass(env, "java/io/IOException");
+ if (cls != 0)
+ (*env)->ThrowNew(env, cls, msg);
+}
+
+static void dbgPrint(JNIEnv *env, const char* msg)
+{
+ jstring jMsg;
+ if (debugObj != NULL) {
+ jMsg = (*env)->NewStringUTF(env, msg);
+ CHECK_NULL(jMsg);
+ (*env)->CallVoidMethod(env, debugObj, debugPrintlnMethodID, jMsg);
+ }
+}
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