This is an automated email from the ASF dual-hosted git repository.
sebb pushed a commit to branch CRYPTO-179
in repository https://gitbox.apache.org/repos/asf/commons-crypto.git
commit ec6fe19322da755bb79f503dcb13a7151a84964d
Author: Sebb <s...@apache.org>
AuthorDate: Sun Nov 26 23:26:22 2023 +0000
CRYPTO-179 - avoid crash on macOS
---
.../java/org/apache/commons/crypto/Crypto.java | 5 +++
.../apache/commons/crypto/jna/OpenSslMacOS.java | 49 ++++++++++++++++++++++
.../commons/crypto/jna/OpenSslNativeJna.java | 14 +++++++
.../org/apache/commons/crypto/DynamicLoader.c | 12 ++++++
4 files changed, 80 insertions(+)
diff --git a/src/main/java/org/apache/commons/crypto/Crypto.java
b/src/main/java/org/apache/commons/crypto/Crypto.java
index e8d08295..5aca20ad 100644
--- a/src/main/java/org/apache/commons/crypto/Crypto.java
+++ b/src/main/java/org/apache/commons/crypto/Crypto.java
@@ -106,6 +106,11 @@ public final class Crypto {
/** Default name for loading SSL crypto library using JNA */
public static final String JNA_LIBRARY_NAME_DEFAULT = "crypto";
+ /**
+ * Name for loading SSL crypto library using dlopen on macOS
+ * JNA automatically adds prefix and suffix; dlopen does not
+ */
+ public static final String MACOS_LIBRARY_NAME_DEFAULT = "libcrypto.dylib";
private static boolean quiet;
diff --git a/src/main/java/org/apache/commons/crypto/jna/OpenSslMacOS.java
b/src/main/java/org/apache/commons/crypto/jna/OpenSslMacOS.java
new file mode 100644
index 00000000..b4165de7
--- /dev/null
+++ b/src/main/java/org/apache/commons/crypto/jna/OpenSslMacOS.java
@@ -0,0 +1,49 @@
+ /*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+package org.apache.commons.crypto.jna;
+
+import com.sun.jna.Native;
+
+/*
+ * Get access to dlopen_preflight from JNA code
+ * For use on macOS only - CRYPTO-179
+ */
+class OpenSslMacOS {
+
+ static native boolean dlopen_preflight(String path);
+
+ static native String dlerror();
+
+ static {
+ Native.register((String)null);
+ }
+
+ /**
+ * Check if can load library OK
+ * @param path
+ * @return null if OK, else error message
+ */
+ public static String checkLibrary(String path) {
+ if (dlopen_preflight(path)){
+ return null;
+ }
+ return dlerror();
+ }
+
+}
diff --git a/src/main/java/org/apache/commons/crypto/jna/OpenSslNativeJna.java
b/src/main/java/org/apache/commons/crypto/jna/OpenSslNativeJna.java
index 8662b026..eea05c3b 100644
--- a/src/main/java/org/apache/commons/crypto/jna/OpenSslNativeJna.java
+++ b/src/main/java/org/apache/commons/crypto/jna/OpenSslNativeJna.java
@@ -23,6 +23,7 @@ import java.nio.ByteBuffer;
import org.apache.commons.crypto.Crypto;
import com.sun.jna.Function;
+import com.sun.jna.Native;
import com.sun.jna.NativeLibrary;
import com.sun.jna.NativeLong;
import com.sun.jna.ptr.PointerByReference;
@@ -55,6 +56,19 @@ final class OpenSslNativeJna {
OpenSslJna.debug("OpenSslNativeJna static init start");
final String libraryName = System.getProperty(Crypto.JNA_LIBRARY_NAME,
Crypto.JNA_LIBRARY_NAME_DEFAULT);
OpenSslJna.debug("OpenSslNativeJna NativeLibrary.getInstance('%s')",
libraryName);
+ // CRYPTO-179 - avoid crash
+ if ("Mac OS X".equals(System.getProperty("os.name"))
+ && System.getProperty(Crypto.JNA_LIBRARY_NAME, "").isEmpty()
+ && System.getProperty(Crypto.JNA_LIBRARY_PATH, "").isEmpty()
+ ) {
+ String ret =
OpenSslMacOS.checkLibrary(Crypto.MACOS_LIBRARY_NAME_DEFAULT);
+ if (ret != null) {
+ throw new UnsatisfiedLinkError(
+ String.format("Cannot load default library '%s'; need
jni.library.path! (%s)",
+ Crypto.MACOS_LIBRARY_NAME_DEFAULT, ret));
+ }
+ }
+ System.err.println("Lib check4" );
@SuppressWarnings("resource") // NativeLibrary.getInstance returns a
singleton
final NativeLibrary crypto = NativeLibrary.getInstance(libraryName);
OpenSslJna.debug("OpenSslNativeJna NativeLibrary.getInstance('%s') ->
%s", libraryName, crypto);
diff --git a/src/main/native/org/apache/commons/crypto/DynamicLoader.c
b/src/main/native/org/apache/commons/crypto/DynamicLoader.c
index 1f265627..68b731a3 100644
--- a/src/main/native/org/apache/commons/crypto/DynamicLoader.c
+++ b/src/main/native/org/apache/commons/crypto/DynamicLoader.c
@@ -39,6 +39,18 @@ HMODULE open_library(JNIEnv *env)
}
}
}
+#ifdef MAC_OS
+ #include <string.h>
+ if (0 == strncmp(COMMONS_CRYPTO_OPENSSL_LIBRARY,libraryPath,
sizeof(COMMONS_CRYPTO_OPENSSL_LIBRARY))) {
+ bool ret = dlopen_preflight(libraryPath);
+ if (!ret) {
+ char msg[1000];
+ snprintf(msg, sizeof(msg), "Cannot load default library '%s'; need
jni.library.path! (%s)", libraryPath, dlerror());
+ THROW(env, "java/lang/UnsatisfiedLinkError", msg);
+ return 0;
+ }
+ }
+#endif
#ifdef UNIX
openssl = dlopen(libraryPath, RTLD_LAZY | RTLD_GLOBAL);
#endif
