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wolfssljni
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Code Issues Releases Wiki Activity

JNI: skip throwing Java exceptions from NativeLoggingCallback

pull/254/head
Chris Conlon 2025-02-12 11:08:11 -07:00
parent 8dfd9aebf8
commit d245630133
1 changed files with 12 additions and 27 deletions
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39
native/com_wolfssl_WolfSSL.c
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@ -1162,11 +1162,18 @@ JNIEXPORT jint JNICALL Java_com_wolfssl_WolfSSL_setLoggingCb
return ret;
}
/**
* Native wolfSSL logging callback.
*
* We skip throwing exceptions in this function and just move on without
* printing the log. Otherwise, our non-important exception here could cause
* bad things to happen at the Java level - ie, causing the
* certificate verify callback to fail unnecessarily.
*/
void NativeLoggingCallback(const int logLevel, const char *const logMessage)
{
JNIEnv* jenv = NULL;
jint vmret = 0;
jclass excClass;
jclass logClass;
jmethodID logMethod;
jstring logMsg;
@ -1197,17 +1204,6 @@ void NativeLoggingCallback(const int logLevel, const char *const logMessage)
return;
}
/* find exception class */
excClass = (*jenv)->FindClass(jenv, "java/lang/Exception");
if ((*jenv)->ExceptionOccurred(jenv)) {
(*jenv)->ExceptionDescribe(jenv);
(*jenv)->ExceptionClear(jenv);
if (needsDetach == 1) {
(*g_vm)->DetachCurrentThread(g_vm);
}
return;
}
/* check if our stored object reference is valid */
refcheck = (*jenv)->GetObjectRefType(jenv, g_loggingCbIfaceObj);
if (refcheck == 2) {
@ -1220,9 +1216,6 @@ void NativeLoggingCallback(const int logLevel, const char *const logMessage)
(*jenv)->ExceptionClear(jenv);
}
(*jenv)->ThrowNew(jenv, excClass,
"Can't get native WolfSSLLoggingCallback class reference");
if (needsDetach == 1) {
(*g_vm)->DetachCurrentThread(g_vm);
}
@ -1237,8 +1230,6 @@ void NativeLoggingCallback(const int logLevel, const char *const logMessage)
(*jenv)->ExceptionDescribe(jenv);
(*jenv)->ExceptionClear(jenv);
}
(*jenv)->ThrowNew(jenv, excClass,
"Error getting loggingCallback method from JNI");
if (needsDetach == 1) {
(*g_vm)->DetachCurrentThread(g_vm);
}
@ -1255,22 +1246,16 @@ void NativeLoggingCallback(const int logLevel, const char *const logMessage)
(*jenv)->ExceptionDescribe(jenv);
(*jenv)->ExceptionClear(jenv);
(*jenv)->ThrowNew(jenv, excClass,
"Error calling logging callback from JNI");
/* Not throwing exception, just move on without printing the log.
* Otherwise, our non-important exception here could cause
* bad things to happen at the Java level - ie, causing the
* certificate verify callback to fail unnecessarily. */
if (needsDetach == 1) {
(*g_vm)->DetachCurrentThread(g_vm);
}
return;
}
} else {
if ((*jenv)->ExceptionOccurred(jenv)) {
(*jenv)->ExceptionDescribe(jenv);
(*jenv)->ExceptionClear(jenv);
}
(*jenv)->ThrowNew(jenv, excClass,
"Object reference invalid in NativeLoggingCallback");
}
if (needsDetach == 1) {