From f0bc455648301570d4897b1342146e406af28dd9 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Sun, 15 Jul 2012 17:01:33 +0200
Subject: Add warning if no dns is set. Check in a working copy of jbcrypto

---
 jni/Android.mk   |  2 +-
 jni/jbcrypto.cpp | 29 ++++++++++++++++++++++++++---
 2 files changed, 27 insertions(+), 4 deletions(-)

(limited to 'jni')

diff --git a/jni/Android.mk b/jni/Android.mk
index 761fa005..3de07059 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -25,7 +25,7 @@ include $(BUILD_SHARED_LIBRARY)
 include $(CLEAR_VARS)
 LOCAL_LDLIBS := -llog 
 LOCAL_SRC_FILES:= minivpn.c 
-LOCAL_MODULE = minivp
+LOCAL_MODULE = minivpn
 LOCAL_SHARED_LIBRARIES=openvpn
 include $(BUILD_EXECUTABLE)
 
diff --git a/jni/jbcrypto.cpp b/jni/jbcrypto.cpp
index 0c56b974..8bc6fb8d 100644
--- a/jni/jbcrypto.cpp
+++ b/jni/jbcrypto.cpp
@@ -12,11 +12,34 @@
 #include <openssl/rsa.h>
 #include <openssl/objects.h>
 #include <openssl/md5.h>
+#include <android/log.h>
+#include <openssl/err.h>
+
 
 extern "C" {
 jbyteArray Java_de_blinkt_openvpn_OpenVpnManagementThread_rsasign(JNIEnv* env, jclass, jbyteArray from, jint pkeyRef);
 }
 
+int jniThrowException(JNIEnv* env, const char* className, const char* msg) {
+
+    jclass exceptionClass = env->FindClass(className);
+
+    if (exceptionClass == NULL) {
+        __android_log_print(ANDROID_LOG_DEBUG,"openvpn","Unable to find exception class %s", className);
+        /* ClassNotFoundException now pending */
+        return -1;
+    }
+
+    if (env->ThrowNew( exceptionClass, msg) != JNI_OK) {
+    	__android_log_print(ANDROID_LOG_DEBUG,"openvpn","Failed throwing '%s' '%s'", className, msg);
+        /* an exception, most likely OOM, will now be pending */
+        return -1;
+    }
+
+    env->DeleteLocalRef(exceptionClass);
+    return 0;
+}
+
 
 jbyteArray Java_de_blinkt_openvpn_OpenVpnManagementThread_rsasign(JNIEnv* env, jclass, jbyteArray from, jint pkeyRef) {
 
@@ -32,9 +55,10 @@ jbyteArray Java_de_blinkt_openvpn_OpenVpnManagementThread_rsasign(JNIEnv* env, j
 	jbyte* data =  env-> GetByteArrayElements (from, NULL);
 	int  datalen = env-> GetArrayLength(from);
 
-	if(data==NULL || datalen == )
+	if(data==NULL )
+		jniThrowException(env, "java/lang/NullPointerException", "data is null");
 
-		unsigned int siglen;
+	unsigned int siglen;
 	unsigned char* sigret = (unsigned char*)malloc(RSA_size(pkey->pkey.rsa));
 
 
@@ -46,7 +70,6 @@ jbyteArray Java_de_blinkt_openvpn_OpenVpnManagementThread_rsasign(JNIEnv* env, j
 			sigret, &siglen, pkey->pkey.rsa) <= 0 )
 	{
 
-		ERR_print_errors(errbio);
 		jniThrowException(env, "java/security/InvalidKeyException", "rsa_sign went wrong, see logcat");
 
 		ERR_print_errors_fp(stderr);
-- 
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