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Replaced alt-java palceholder by real pathced alt-java

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- added patch600, rh1750419-redhat_alt_java.patch, suprassing removed patch
- no longer copying of java->alt-java as it is created by  patch600
This commit is contained in:
Jiri 2020-12-07 19:37:12 +01:00
parent ffd7bb2927
commit faca292328
2 changed files with 117 additions and 2 deletions
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10
java-latest-openjdk.spec
View File

@ -245,7 +245,7 @@
%global top_level_dir_name %{origin}
%global minorver 0
%global buildver 9
%global rpmrelease 2
%global rpmrelease 3
# priority must be 8 digits in total; up to openjdk 1.8, we were using 18..... so when we moved to 11, we had to add another digit
%if %is_system_jdk
%global priority %( printf '%02d%02d%02d%02d' %{majorver} %{minorver} %{securityver} %{buildver} )
@ -1078,6 +1078,8 @@ Source14: TestECDSA.java
# NSS via SunPKCS11 Provider (disabled comment
# due to memory leak).
Patch1000: rh1648249-add_commented_out_nss_cfg_provider_to_java_security.patch
# enable build of spectre/meltdown hardened alt-java
Patch600: rh1750419-redhat_alt_java.patch
# Ignore AWTError when assistive technologies are loaded
Patch1: rh1648242-accessible_toolkit_crash_do_not_break_jvm.patch
@ -1438,6 +1440,7 @@ pushd %{top_level_dir_name}
popd # openjdk
%patch1000
%patch600
# Extract systemtap tapsets
%if %{with_systemtap}
@ -1601,7 +1604,6 @@ ln -s %{_datadir}/javazi-1.8/tzdb.dat $JAVA_HOME/lib/tzdb.dat
# Create fake alt-java as a placeholder for future alt-java
pushd ${JAVA_HOME}
cp -a bin/java bin/%{alt_java_name}
# add alt-java man page
echo "Hardened java binary recommended for launching untrusted code from the Web e.g. javaws" > man/man1/%{alt_java_name}.1
cat man/man1/java.1 >> man/man1/%{alt_java_name}.1
@ -2055,6 +2057,10 @@ require "copy_jdk_configs.lua"
%endif
%changelog
* Tue Dec 01 2020 Jiri Vanek <jvanek@redhat.com> - 1:15.0.1.9-3.rolling
- added patch600, rh1750419-redhat_alt_java.patch, suprassing removed patch
- no longer copying of java->alt-java as it is created by patch600
* Mon Nov 23 2020 Jiri Vanek <jvanek@redhat.com> - 1:15.0.1.9-2.rolling
- Create a copy of java as alt-java with alternatives and man pages
- java-11-openjdk doesn't have a JRE tree, so don't try and copy alt-java there...

109
rh1750419-redhat_alt_java.patch Normal file
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@ -0,0 +1,109 @@
diff -r 1356affa5e44 make/modules/java.base/Launcher.gmk
--- openjdk/make/modules/java.base/Launcher.gmk
+++ openjdk/make/modules/java.base/Launcher.gmk
@@ -37,6 +37,13 @@
$(eval $(call SetupBuildLauncher, java, \
CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS -DENABLE_ARG_FILES, \
+ EXTRA_RC_FLAGS := $(JAVA_RC_FLAGS), \
+ VERSION_INFO_RESOURCE := $(JAVA_VERSION_INFO_RESOURCE), \
+ OPTIMIZATION := HIGH, \
+))
+
+$(eval $(call SetupBuildLauncher, alt-java, \
+ CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS -DENABLE_ARG_FILES -DREDHAT_ALT_JAVA, \
EXTRA_RC_FLAGS := $(JAVA_RC_FLAGS), \
VERSION_INFO_RESOURCE := $(JAVA_VERSION_INFO_RESOURCE), \
OPTIMIZATION := HIGH, \
diff -r 25e94aa812b2 src/share/bin/alt_main.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ openjdk/src/java.base/share/native/launcher/alt_main.h Tue Jun 02 17:15:28 2020 +0100
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
+ * 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.
+ */
+
+#ifdef REDHAT_ALT_JAVA
+
+#include <sys/prctl.h>
+
+
+/* Per task speculation control */
+#ifndef PR_GET_SPECULATION_CTRL
+# define PR_GET_SPECULATION_CTRL 52
+#endif
+#ifndef PR_SET_SPECULATION_CTRL
+# define PR_SET_SPECULATION_CTRL 53
+#endif
+/* Speculation control variants */
+#ifndef PR_SPEC_STORE_BYPASS
+# define PR_SPEC_STORE_BYPASS 0
+#endif
+/* Return and control values for PR_SET/GET_SPECULATION_CTRL */
+
+#ifndef PR_SPEC_NOT_AFFECTED
+# define PR_SPEC_NOT_AFFECTED 0
+#endif
+#ifndef PR_SPEC_PRCTL
+# define PR_SPEC_PRCTL (1UL << 0)
+#endif
+#ifndef PR_SPEC_ENABLE
+# define PR_SPEC_ENABLE (1UL << 1)
+#endif
+#ifndef PR_SPEC_DISABLE
+# define PR_SPEC_DISABLE (1UL << 2)
+#endif
+#ifndef PR_SPEC_FORCE_DISABLE
+# define PR_SPEC_FORCE_DISABLE (1UL << 3)
+#endif
+#ifndef PR_SPEC_DISABLE_NOEXEC
+# define PR_SPEC_DISABLE_NOEXEC (1UL << 4)
+#endif
+
+static void set_speculation() __attribute__((constructor));
+static void set_speculation() {
+ if ( prctl(PR_SET_SPECULATION_CTRL,
+ PR_SPEC_STORE_BYPASS,
+ PR_SPEC_DISABLE_NOEXEC, 0, 0) == 0 ) {
+ return;
+ }
+ prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_STORE_BYPASS, PR_SPEC_DISABLE, 0, 0);
+}
+
+#endif // REDHAT_ALT_JAVA
diff -r 25e94aa812b2 src/share/bin/main.c
--- openjdk/src/java.base/share/native/launcher/main.c Wed Feb 05 12:20:36 2020 -0300
+++ openjdk/src/java.base/share/native/launcher/main.c Tue Jun 02 17:15:28 2020 +0100
@@ -34,6 +34,10 @@
#include "jli_util.h"
#include "jni.h"
+#if defined(linux) && defined(__x86_64)
+#include "alt_main.h"
+#endif
+
#ifdef _MSC_VER
#if _MSC_VER > 1400 && _MSC_VER < 1600