diff options
Diffstat (limited to 'android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp')
-rw-r--r-- | android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp b/android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp index a821709..b11c474 100644 --- a/android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp +++ b/android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp @@ -297,6 +297,7 @@ JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIE OlmOutboundGroupSession *sessionPtr = NULL; jbyte* clearMsgPtr = NULL; + jboolean clearMsgIsCopied = JNI_FALSE; if (!(sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) { @@ -308,7 +309,7 @@ JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIE LOGE(" ## encryptMessageJni(): failure - invalid clear message"); errorMessage = "invalid clear message"; } - else if (!(clearMsgPtr = env->GetByteArrayElements(aClearMsgBuffer, NULL))) + else if (!(clearMsgPtr = env->GetByteArrayElements(aClearMsgBuffer, &clearMsgIsCopied))) { LOGE(" ## encryptMessageJni(): failure - clear message JNI allocation OOM"); errorMessage = "clear message JNI allocation OOM"; @@ -359,6 +360,10 @@ JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIE // free alloc if (clearMsgPtr) { + if (clearMsgIsCopied) + { + memset(clearMsgPtr, 0, (size_t)env->GetArrayLength(aClearMsgBuffer)); + } env->ReleaseByteArrayElements(aClearMsgBuffer, clearMsgPtr, JNI_ABORT); } |