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 | 563 |
1 files changed, 0 insertions, 563 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 deleted file mode 100644 index a22122a..0000000 --- a/android/olm-sdk/src/main/jni/olm_outbound_group_session.cpp +++ /dev/null @@ -1,563 +0,0 @@ -/* - * Copyright 2016 OpenMarket Ltd - * Copyright 2016 Vector Creations Ltd - * - * Licensed 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. - */ - -#include "olm_outbound_group_session.h" - -using namespace AndroidOlmSdk; - -/** - * Release the session allocation made by initializeOutboundGroupSessionMemory().<br> - * This method MUST be called when java counter part account instance is done. - * - */ -JNIEXPORT void OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## releaseSessionJni(): OutBound group session IN"); - - OlmOutboundGroupSession* sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz); - - if (!sessionPtr) - { - LOGE(" ## releaseSessionJni(): failure - invalid outbound group session instance"); - } - else - { - LOGD(" ## releaseSessionJni(): sessionPtr=%p",sessionPtr); - -#ifdef ENABLE_JNI_LOG - size_t retCode = olm_clear_outbound_group_session(sessionPtr); - LOGD(" ## releaseSessionJni(): clear_outbound_group_session=%lu",static_cast<long unsigned int>(retCode)); -#else - olm_clear_outbound_group_session(sessionPtr); -#endif - - LOGD(" ## releaseSessionJni(): free IN"); - free(sessionPtr); - LOGD(" ## releaseSessionJni(): free OUT"); - } -} - -/** - * Initialize a new outbound group session and return it to JAVA side.<br> - * Since a C prt is returned as a jlong, special care will be taken - * to make the cast (OlmOutboundGroupSession* => jlong) platform independent. - * @return the initialized OlmOutboundGroupSession* instance or throw an exception - **/ -JNIEXPORT jlong OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(createNewSessionJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - - OlmOutboundGroupSession* sessionPtr = NULL; - size_t sessionSize = 0; - - LOGD("## createNewSessionJni(): outbound group session IN"); - sessionSize = olm_outbound_group_session_size(); - - if (0 == sessionSize) - { - LOGE(" ## createNewSessionJni(): failure - outbound group session size = 0"); - errorMessage = "outbound group session size = 0"; - } - else if (!(sessionPtr = (OlmOutboundGroupSession*)malloc(sessionSize))) - { - LOGE(" ## createNewSessionJni(): failure - outbound group session OOM"); - errorMessage = "outbound group session OOM"; - } - else - { - sessionPtr = olm_outbound_group_session(sessionPtr); - LOGD(" ## createNewSessionJni(): success - outbound group session size=%lu",static_cast<long unsigned int>(sessionSize)); - - // compute random buffer - size_t randomLength = olm_init_outbound_group_session_random_length(sessionPtr); - uint8_t *randomBuffPtr = NULL; - - LOGW(" ## createNewSessionJni(): randomLength=%lu",static_cast<long unsigned int>(randomLength)); - - if ((0 != randomLength) && !setRandomInBuffer(env, &randomBuffPtr, randomLength)) - { - LOGE(" ## createNewSessionJni(): failure - random buffer init"); - errorMessage = "random buffer init"; - } - else - { - if (0 == randomLength) - { - LOGW(" ## createNewSessionJni(): random buffer is not required"); - } - - size_t sessionResult = olm_init_outbound_group_session(sessionPtr, randomBuffPtr, randomLength); - - if (sessionResult == olm_error()) { - errorMessage = (const char *)olm_outbound_group_session_last_error(sessionPtr); - LOGE(" ## createNewSessionJni(): failure - init outbound session creation Msg=%s", errorMessage); - } - else - { - LOGD(" ## createNewSessionJni(): success - result=%lu", static_cast<long unsigned int>(sessionResult)); - } - - // clear the random buffer - memset(randomBuffPtr, 0, randomLength); - free(randomBuffPtr); - } - } - - if (errorMessage) - { - if (sessionPtr) - { - olm_clear_outbound_group_session(sessionPtr); - free(sessionPtr); - } - - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)sessionPtr; -} - -/** - * Return the session identifier. - * An exception is thrown if the operation fails. - * @return the session identifier - */ -JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## sessionIdentifierJni(): outbound group session IN"); - - const char* errorMessage = NULL; - OlmOutboundGroupSession *sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz); - jbyteArray returnValue = 0; - - if (!sessionPtr) - { - LOGE(" ## sessionIdentifierJni(): failure - invalid outbound group session instance"); - errorMessage = "invalid outbound group session instance"; - } - else - { - // get the size to alloc - size_t lengthSessionId = olm_outbound_group_session_id_length(sessionPtr); - LOGD(" ## sessionIdentifierJni(): outbound group session lengthSessionId=%lu",static_cast<long unsigned int>(lengthSessionId)); - - uint8_t *sessionIdPtr = (uint8_t*)malloc(lengthSessionId*sizeof(uint8_t)); - - if (!sessionIdPtr) - { - LOGE(" ## sessionIdentifierJni(): failure - outbound identifier allocation OOM"); - errorMessage = "outbound identifier allocation OOM"; - } - else - { - size_t result = olm_outbound_group_session_id(sessionPtr, sessionIdPtr, lengthSessionId); - - if (result == olm_error()) - { - errorMessage = reinterpret_cast<const char*>(olm_outbound_group_session_last_error(sessionPtr)); - LOGE(" ## sessionIdentifierJni(): failure - outbound group session identifier failure Msg=%s", errorMessage); - } - else - { - returnValue = env->NewByteArray(result); - env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionIdPtr); - - LOGD(" ## sessionIdentifierJni(): success - outbound group session identifier result=%lu sessionId= %.*s",static_cast<long unsigned int>(result), static_cast<int>(result), reinterpret_cast<char*>(sessionIdPtr)); - } - - // free alloc - free(sessionIdPtr); - } - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - - -/** - * Get the current message index for this session.<br> - * Each message is sent with an increasing index, this - * method returns the index for the next message. - * An exception is thrown if the operation fails. - * @return current session index - */ -JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(messageIndexJni)(JNIEnv *env, jobject thiz) -{ - OlmOutboundGroupSession *sessionPtr = NULL; - jint indexRetValue = 0; - - LOGD("## messageIndexJni(): IN"); - - if (!(sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) - { - LOGE(" ## messageIndexJni(): failure - invalid outbound group session instance"); - } - else - { - indexRetValue = static_cast<jint>(olm_outbound_group_session_message_index(sessionPtr)); - } - - LOGD(" ## messageIndexJni(): success - index=%d",indexRetValue); - - return indexRetValue; -} - -/** - * Return the session key. - * An exception is thrown if the operation fails. - * @return the session key - */ -JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## sessionKeyJni(): outbound group session IN"); - - const char* errorMessage = NULL; - OlmOutboundGroupSession *sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz); - jbyteArray returnValue = 0; - - if (!sessionPtr) - { - LOGE(" ## sessionKeyJni(): failure - invalid outbound group session instance"); - errorMessage = "invalid outbound group session instance"; - } - else - { - // get the size to alloc - size_t sessionKeyLength = olm_outbound_group_session_key_length(sessionPtr); - LOGD(" ## sessionKeyJni(): sessionKeyLength=%lu",static_cast<long unsigned int>(sessionKeyLength)); - - uint8_t *sessionKeyPtr = (uint8_t*)malloc(sessionKeyLength*sizeof(uint8_t)); - - if (!sessionKeyPtr) - { - LOGE(" ## sessionKeyJni(): failure - session key allocation OOM"); - errorMessage = "session key allocation OOM"; - } - else - { - size_t result = olm_outbound_group_session_key(sessionPtr, sessionKeyPtr, sessionKeyLength); - - if (result == olm_error()) - { - errorMessage = (const char *)olm_outbound_group_session_last_error(sessionPtr); - LOGE(" ## sessionKeyJni(): failure - session key failure Msg=%s", errorMessage); - } - else - { - LOGD(" ## sessionKeyJni(): success - outbound group session key result=%lu sessionKey=%.*s",static_cast<long unsigned int>(result), static_cast<int>(result), reinterpret_cast<char*>(sessionKeyPtr)); - - returnValue = env->NewByteArray(result); - env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionKeyPtr); - } - - // free alloc - free(sessionKeyPtr); - } - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - -/** - * Encrypt a bytes buffer messages. - * An exception is thrown if the operation fails. - * @param aClearMsgBuffer the message to encode - * @return the encoded message - */ -JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsgBuffer) -{ - LOGD("## encryptMessageJni(): IN"); - - const char* errorMessage = NULL; - jbyteArray encryptedMsgRet = 0; - - OlmOutboundGroupSession *sessionPtr = NULL; - jbyte* clearMsgPtr = NULL; - jboolean clearMsgIsCopied = JNI_FALSE; - - if (!(sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) - { - LOGE(" ## encryptMessageJni(): failure - invalid outbound group session ptr=NULL"); - errorMessage = "invalid outbound group session ptr=NULL"; - } - else if (!aClearMsgBuffer) - { - LOGE(" ## encryptMessageJni(): failure - invalid clear message"); - errorMessage = "invalid clear message"; - } - else if (!(clearMsgPtr = env->GetByteArrayElements(aClearMsgBuffer, &clearMsgIsCopied))) - { - LOGE(" ## encryptMessageJni(): failure - clear message JNI allocation OOM"); - errorMessage = "clear message JNI allocation OOM"; - } - else - { - // get clear message length - size_t clearMsgLength = (size_t)env->GetArrayLength(aClearMsgBuffer); - LOGD(" ## encryptMessageJni(): clearMsgLength=%lu",static_cast<long unsigned int>(clearMsgLength)); - - // compute max encrypted length - size_t encryptedMsgLength = olm_group_encrypt_message_length(sessionPtr,clearMsgLength); - uint8_t *encryptedMsgPtr = (uint8_t*)malloc(encryptedMsgLength*sizeof(uint8_t)); - - if (!encryptedMsgPtr) - { - LOGE(" ## encryptMessageJni(): failure - encryptedMsgPtr buffer OOM"); - errorMessage = "encryptedMsgPtr buffer OOM"; - } - else - { - LOGD(" ## encryptMessageJni(): estimated encryptedMsgLength=%lu",static_cast<long unsigned int>(encryptedMsgLength)); - - size_t encryptedLength = olm_group_encrypt(sessionPtr, - (uint8_t*)clearMsgPtr, - clearMsgLength, - encryptedMsgPtr, - encryptedMsgLength); - - - if (encryptedLength == olm_error()) - { - errorMessage = olm_outbound_group_session_last_error(sessionPtr); - LOGE(" ## encryptMessageJni(): failure - olm_group_decrypt_max_plaintext_length Msg=%s", errorMessage); - } - else - { - LOGD(" ## encryptMessageJni(): encrypted returnedLg=%lu plainTextMsgPtr=%.*s",static_cast<long unsigned int>(encryptedLength), static_cast<int>(encryptedLength), reinterpret_cast<char*>(encryptedMsgPtr)); - - encryptedMsgRet = env->NewByteArray(encryptedLength); - env->SetByteArrayRegion(encryptedMsgRet, 0 , encryptedLength, (jbyte*)encryptedMsgPtr); - } - - free(encryptedMsgPtr); - } - } - - // free alloc - if (clearMsgPtr) - { - if (clearMsgIsCopied) - { - memset(clearMsgPtr, 0, (size_t)env->GetArrayLength(aClearMsgBuffer)); - } - env->ReleaseByteArrayElements(aClearMsgBuffer, clearMsgPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return encryptedMsgRet; -} - -/** - * Serialize and encrypt session instance into a base64 string.<br> - * An exception is thrown if the operation fails. - * @param aKey key used to encrypt the serialized session data - * @return a base64 string if operation succeed, null otherwise - **/ -JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(serializeJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer) -{ - const char* errorMessage = NULL; - jbyteArray returnValue = 0; - - jbyte* keyPtr = NULL; - jboolean keyWasCopied = JNI_FALSE; - OlmOutboundGroupSession* sessionPtr = NULL; - - LOGD("## outbound group session serializeJni(): IN"); - - if (!(sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) - { - LOGE(" ## serializeJni(): failure - invalid session ptr"); - errorMessage = "invalid session ptr"; - } - else if (!aKeyBuffer) - { - LOGE(" ## serializeJni(): failure - invalid key"); - errorMessage = "invalid key"; - } - else if (!(keyPtr = env->GetByteArrayElements(aKeyBuffer, &keyWasCopied))) - { - LOGE(" ## serializeJni(): failure - keyPtr JNI allocation OOM"); - errorMessage = "keyPtr JNI allocation OOM"; - } - else - { - size_t pickledLength = olm_pickle_outbound_group_session_length(sessionPtr); - size_t keyLength = (size_t)env->GetArrayLength(aKeyBuffer); - LOGD(" ## serializeJni(): pickledLength=%lu keyLength=%lu",static_cast<long unsigned int>(pickledLength), static_cast<long unsigned int>(keyLength)); - - void *pickledPtr = malloc(pickledLength*sizeof(uint8_t)); - - if(!pickledPtr) - { - LOGE(" ## serializeJni(): failure - pickledPtr buffer OOM"); - errorMessage = "pickledPtr buffer OOM"; - } - else - { - size_t result = olm_pickle_outbound_group_session(sessionPtr, - (void const *)keyPtr, - keyLength, - (void*)pickledPtr, - pickledLength); - if (result == olm_error()) - { - errorMessage = olm_outbound_group_session_last_error(sessionPtr); - LOGE(" ## serializeJni(): failure - olm_pickle_outbound_group_session() Msg=%s", errorMessage); - } - else - { - LOGD(" ## serializeJni(): success - result=%lu pickled=%.*s", static_cast<long unsigned int>(result), static_cast<int>(result), static_cast<char*>(pickledPtr)); - - returnValue = env->NewByteArray(pickledLength); - env->SetByteArrayRegion(returnValue, 0 , pickledLength, (jbyte*)pickledPtr); - } - } - - free(pickledPtr); - } - - // free alloc - if (keyPtr) - { - if (keyWasCopied) { - memset(keyPtr, 0, (size_t)env->GetArrayLength(aKeyBuffer)); - } - env->ReleaseByteArrayElements(aKeyBuffer, keyPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - -/** - * Allocate a new session and initialize it with the serialisation data.<br> - * An exception is thrown if the operation fails. - * @param aSerializedData the session serialisation buffer - * @param aKey the key used to encrypt the serialized account data - * @return the deserialized session - **/ -JNIEXPORT jlong OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(deserializeJni)(JNIEnv *env, jobject thiz, jbyteArray aSerializedDataBuffer, jbyteArray aKeyBuffer) -{ - const char* errorMessage = NULL; - size_t sessionSize = olm_outbound_group_session_size(); - OlmOutboundGroupSession* sessionPtr = NULL; - - jbyte* keyPtr = NULL; - jboolean keyWasCopied = JNI_FALSE; - jbyte* pickledPtr = NULL; - - LOGD("## deserializeJni(): IN"); - - if (!sessionSize) - { - LOGE(" ## deserializeJni(): failure - outbound group session size = 0"); - errorMessage = "outbound group session size = 0"; - } - else if (!(sessionPtr = (OlmOutboundGroupSession*)malloc(sessionSize))) - { - LOGE(" ## deserializeJni(): failure - session failure OOM"); - errorMessage = "session failure OOM"; - } - else if (!aKeyBuffer) - { - LOGE(" ## deserializeJni(): failure - invalid key"); - errorMessage = "invalid key"; - } - else if (!aSerializedDataBuffer) - { - LOGE(" ## deserializeJni(): failure - serialized data"); - errorMessage = "invalid serialized data"; - } - else if (!(keyPtr = env->GetByteArrayElements(aKeyBuffer, &keyWasCopied))) - { - LOGE(" ## deserializeJni(): failure - keyPtr JNI allocation OOM"); - errorMessage = "keyPtr JNI allocation OOM"; - } - else if (!(pickledPtr = env->GetByteArrayElements(aSerializedDataBuffer, 0))) - { - LOGE(" ## deserializeJni(): failure - pickledPtr JNI allocation OOM"); - errorMessage = "pickledPtr JNI allocation OOM"; - } - else - { - sessionPtr = olm_outbound_group_session(sessionPtr); - size_t pickledLength = (size_t)env->GetArrayLength(aSerializedDataBuffer); - size_t keyLength = (size_t)env->GetArrayLength(aKeyBuffer); - LOGD(" ## deserializeJni(): pickledLength=%lu keyLength=%lu",static_cast<long unsigned int>(pickledLength), static_cast<long unsigned int>(keyLength)); - LOGD(" ## deserializeJni(): pickled=%.*s", static_cast<int>(pickledLength), (char const *)pickledPtr); - - size_t result = olm_unpickle_outbound_group_session(sessionPtr, - (void const *)keyPtr, - keyLength, - (void*)pickledPtr, - pickledLength); - if (result == olm_error()) - { - errorMessage = olm_outbound_group_session_last_error(sessionPtr); - LOGE(" ## deserializeJni(): failure - olm_unpickle_outbound_group_session() Msg=%s", errorMessage); - } - else - { - LOGD(" ## deserializeJni(): success - result=%lu ", static_cast<long unsigned int>(result)); - } - } - - // free alloc - if (keyPtr) - { - if (keyWasCopied) { - memset(keyPtr, 0, (size_t)env->GetArrayLength(aKeyBuffer)); - } - env->ReleaseByteArrayElements(aKeyBuffer, keyPtr, JNI_ABORT); - } - - if (pickledPtr) - { - env->ReleaseByteArrayElements(aSerializedDataBuffer, pickledPtr, JNI_ABORT); - } - - if (errorMessage) - { - if (sessionPtr) - { - olm_clear_outbound_group_session(sessionPtr); - free(sessionPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)sessionPtr; -} - |