diff options
Diffstat (limited to 'android/olm-sdk/src/main/jni/olm_inbound_group_session.cpp')
| -rw-r--r-- | android/olm-sdk/src/main/jni/olm_inbound_group_session.cpp | 654 |
1 files changed, 0 insertions, 654 deletions
diff --git a/android/olm-sdk/src/main/jni/olm_inbound_group_session.cpp b/android/olm-sdk/src/main/jni/olm_inbound_group_session.cpp deleted file mode 100644 index ae9ecf1..0000000 --- a/android/olm-sdk/src/main/jni/olm_inbound_group_session.cpp +++ /dev/null @@ -1,654 +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_inbound_group_session.h" - -using namespace AndroidOlmSdk; - -/** - * Release the session allocation made by initializeInboundGroupSessionMemory().<br> - * This method MUST be called when java counter part account instance is done. - */ -JNIEXPORT void OLM_INBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz) -{ - OlmInboundGroupSession* sessionPtr = getInboundGroupSessionInstanceId(env,thiz); - - LOGD("## releaseSessionJni(): InBound group session IN"); - - if (!sessionPtr) - { - LOGE("## releaseSessionJni(): failure - invalid inbound group session instance"); - } - else - { - LOGD(" ## releaseSessionJni(): sessionPtr=%p", sessionPtr); -#ifdef ENABLE_JNI_LOG - size_t retCode = olm_clear_inbound_group_session(sessionPtr); - LOGD(" ## releaseSessionJni(): clear_inbound_group_session=%lu",static_cast<long unsigned int>(retCode)); -#else - olm_clear_inbound_group_session(sessionPtr); -#endif - - LOGD(" ## releaseSessionJni(): free IN"); - free(sessionPtr); - LOGD(" ## releaseSessionJni(): free OUT"); - } -} - -/** - * Initialize a new inbound 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 (OlmInboundGroupSession* => jlong) platform independent. - * @param aSessionKeyBuffer session key from an outbound session - * @param isImported true when the session key has been retrieved from a backup - * @return the initialized OlmInboundGroupSession* instance or throw an exception it fails. - **/ -JNIEXPORT jlong OLM_INBOUND_GROUP_SESSION_FUNC_DEF(createNewSessionJni)(JNIEnv *env, jobject thiz, jbyteArray aSessionKeyBuffer, jboolean isImported) -{ - const char* errorMessage = NULL; - OlmInboundGroupSession* sessionPtr = NULL; - jbyte* sessionKeyPtr = NULL; - jboolean sessionWasCopied = JNI_FALSE; - size_t sessionSize = olm_inbound_group_session_size(); - - LOGD("## createNewSessionJni(): inbound group session IN"); - - if (!sessionSize) - { - LOGE(" ## createNewSessionJni(): failure - inbound group session size = 0"); - errorMessage = "inbound group session size = 0"; - } - else if (!(sessionPtr = (OlmInboundGroupSession*)malloc(sessionSize))) - { - LOGE(" ## createNewSessionJni(): failure - inbound group session OOM"); - errorMessage = "inbound group session OOM"; - } - else if (!aSessionKeyBuffer) - { - LOGE(" ## createNewSessionJni(): failure - invalid aSessionKey"); - errorMessage = "invalid aSessionKey"; - } - else if (!(sessionKeyPtr = env->GetByteArrayElements(aSessionKeyBuffer, &sessionWasCopied))) - { - LOGE(" ## createNewSessionJni(): failure - session key JNI allocation OOM"); - errorMessage = "Session key JNI allocation OOM"; - } - else - { - sessionPtr = olm_inbound_group_session(sessionPtr); - - size_t sessionKeyLength = (size_t)env->GetArrayLength(aSessionKeyBuffer); - LOGD(" ## createNewSessionJni(): sessionKeyLength=%lu", static_cast<long unsigned int>(sessionKeyLength)); - - size_t sessionResult; - - if (JNI_FALSE == isImported) - { - LOGD(" ## createNewSessionJni(): init"); - sessionResult = olm_init_inbound_group_session(sessionPtr, (const uint8_t*)sessionKeyPtr, sessionKeyLength); - } - else - { - LOGD(" ## createNewSessionJni(): import"); - sessionResult = olm_import_inbound_group_session(sessionPtr, (const uint8_t*)sessionKeyPtr, sessionKeyLength); - } - - if (sessionResult == olm_error()) - { - errorMessage = olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## createNewSessionJni(): failure - init inbound session creation Msg=%s", errorMessage); - } - else - { - LOGD(" ## createNewSessionJni(): success - result=%lu", static_cast<long unsigned int>(sessionResult)); - } - } - - if (sessionKeyPtr) - { - if (sessionWasCopied) { - memset(sessionKeyPtr, 0, (size_t)env->GetArrayLength(aSessionKeyBuffer)); - } - env->ReleaseByteArrayElements(aSessionKeyBuffer, sessionKeyPtr, JNI_ABORT); - } - - if (errorMessage) - { - // release the allocated session - if (sessionPtr) - { - olm_clear_inbound_group_session(sessionPtr); - free(sessionPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)sessionPtr; -} - -/** - * Get a base64-encoded identifier for this inbound group session. - * An exception is thrown if the operation fails. - * @return the base64-encoded identifier - */ -JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmInboundGroupSession *sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - jbyteArray returnValue = 0; - - LOGD("## sessionIdentifierJni(): inbound group session IN"); - - if (!sessionPtr) - { - LOGE(" ## sessionIdentifierJni(): failure - invalid inbound group session instance"); - errorMessage = "invalid inbound group session instance"; - } - else - { - // get the size to alloc - size_t lengthSessionId = olm_inbound_group_session_id_length(sessionPtr); - LOGD(" ## sessionIdentifierJni(): inbound 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 - inbound group session identifier allocation OOM"); - errorMessage = "inbound group session identifier allocation OOM"; - } - else - { - size_t result = olm_inbound_group_session_id(sessionPtr, sessionIdPtr, lengthSessionId); - - if (result == olm_error()) - { - errorMessage = (const char *)olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## sessionIdentifierJni(): failure - get inbound group session identifier failure Msg=%s",(const char *)olm_inbound_group_session_last_error(sessionPtr)); - } - else - { - LOGD(" ## sessionIdentifierJni(): success - inbound group session result=%lu sessionId=%.*s",static_cast<long unsigned int>(result), static_cast<int>(result), (char*)sessionIdPtr); - - returnValue = env->NewByteArray(result); - env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionIdPtr); - } - - free(sessionIdPtr); - } - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - -/** - * Decrypt a message. - * An exception is thrown if the operation fails. - * @param aEncryptedMsg the encrypted message - * @param aDecryptMessageResult the decryptMessage information - * @return the decrypted message - */ -JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aEncryptedMsgBuffer, jobject aDecryptionResult) -{ - jbyteArray decryptedMsgBuffer = 0; - const char* errorMessage = NULL; - - OlmInboundGroupSession *sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - jbyte *encryptedMsgPtr = NULL; - jclass indexObjJClass = 0; - jfieldID indexMsgFieldId; - - LOGD("## decryptMessageJni(): inbound group session IN"); - - if (!sessionPtr) - { - LOGE(" ## decryptMessageJni(): failure - invalid inbound group session ptr=NULL"); - errorMessage = "invalid inbound group session ptr=NULL"; - } - else if (!aEncryptedMsgBuffer) - { - LOGE(" ## decryptMessageJni(): failure - invalid encrypted message"); - errorMessage = "invalid encrypted message"; - } - else if (!aDecryptionResult) - { - LOGE(" ## decryptMessageJni(): failure - invalid index object"); - errorMessage = "invalid index object"; - } - else if (!(encryptedMsgPtr = env->GetByteArrayElements(aEncryptedMsgBuffer, 0))) - { - LOGE(" ## decryptMessageJni(): failure - encrypted message JNI allocation OOM"); - errorMessage = "encrypted message JNI allocation OOM"; - } - else if (!(indexObjJClass = env->GetObjectClass(aDecryptionResult))) - { - LOGE("## decryptMessageJni(): failure - unable to get index class"); - errorMessage = "unable to get index class"; - } - else if (!(indexMsgFieldId = env->GetFieldID(indexObjJClass,"mIndex","J"))) - { - LOGE("## decryptMessageJni(): failure - unable to get index type field"); - errorMessage = "unable to get index type field"; - } - else - { - // get encrypted message length - size_t encryptedMsgLength = (size_t)env->GetArrayLength(aEncryptedMsgBuffer); - uint8_t *tempEncryptedPtr = static_cast<uint8_t*>(malloc(encryptedMsgLength*sizeof(uint8_t))); - - // create a dedicated temp buffer to be used in next Olm API calls - if (!tempEncryptedPtr) - { - LOGE(" ## decryptMessageJni(): failure - tempEncryptedPtr allocation OOM"); - errorMessage = "tempEncryptedPtr allocation OOM"; - } - else - { - memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); - LOGD(" ## decryptMessageJni(): encryptedMsgLength=%lu encryptedMsg=%.*s",static_cast<long unsigned int>(encryptedMsgLength), static_cast<int>(encryptedMsgLength), encryptedMsgPtr); - - // get max plaintext length - size_t maxPlainTextLength = olm_group_decrypt_max_plaintext_length(sessionPtr, - tempEncryptedPtr, - encryptedMsgLength); - if (maxPlainTextLength == olm_error()) - { - errorMessage = olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## decryptMessageJni(): failure - olm_group_decrypt_max_plaintext_length Msg=%s", errorMessage); - } - else - { - LOGD(" ## decryptMessageJni(): maxPlaintextLength=%lu",static_cast<long unsigned int>(maxPlainTextLength)); - - uint32_t messageIndex = 0; - - // allocate output decrypted message - uint8_t *plainTextMsgPtr = static_cast<uint8_t*>(malloc(maxPlainTextLength*sizeof(uint8_t))); - - // decrypt, but before reload encrypted buffer (previous one was destroyed) - memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); - size_t plaintextLength = olm_group_decrypt(sessionPtr, - tempEncryptedPtr, - encryptedMsgLength, - plainTextMsgPtr, - maxPlainTextLength, - &messageIndex); - if (plaintextLength == olm_error()) - { - errorMessage = olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## decryptMessageJni(): failure - olm_group_decrypt Msg=%s", errorMessage); - } - else - { - // update index - env->SetLongField(aDecryptionResult, indexMsgFieldId, (jlong)messageIndex); - - decryptedMsgBuffer = env->NewByteArray(plaintextLength); - env->SetByteArrayRegion(decryptedMsgBuffer, 0 , plaintextLength, (jbyte*)plainTextMsgPtr); - - LOGD(" ## decryptMessageJni(): UTF-8 Conversion - decrypted returnedLg=%lu OK",static_cast<long unsigned int>(plaintextLength)); - } - - if (plainTextMsgPtr) - { - memset(plainTextMsgPtr, 0, maxPlainTextLength*sizeof(uint8_t)); - free(plainTextMsgPtr); - } - } - - if (tempEncryptedPtr) - { - free(tempEncryptedPtr); - } - } - } - - // free alloc - if (encryptedMsgPtr) - { - env->ReleaseByteArrayElements(aEncryptedMsgBuffer, encryptedMsgPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return decryptedMsgBuffer; -} - -/** - * Provides the first known index. - * An exception is thrown if the operation fails. - * @return the first known index - */ -JNIEXPORT jlong OLM_INBOUND_GROUP_SESSION_FUNC_DEF(firstKnownIndexJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmInboundGroupSession *sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - long returnValue = 0; - - LOGD("## firstKnownIndexJni(): inbound group session IN"); - - if (!sessionPtr) - { - LOGE(" ## firstKnownIndexJni(): failure - invalid inbound group session instance"); - errorMessage = "invalid inbound group session instance"; - } - else - { - returnValue = olm_inbound_group_session_first_known_index(sessionPtr); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - -/** - * Tells if the session is verified. - * An exception is thrown if the operation fails. - * @return true if the session is verified - */ -JNIEXPORT jboolean OLM_INBOUND_GROUP_SESSION_FUNC_DEF(isVerifiedJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmInboundGroupSession *sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - jboolean returnValue = JNI_FALSE; - - LOGD("## isVerifiedJni(): inbound group session IN"); - - if (!sessionPtr) - { - LOGE(" ## isVerifiedJni(): failure - invalid inbound group session instance"); - errorMessage = "invalid inbound group session instance"; - } - else - { - LOGE(" ## isVerifiedJni(): faaa %d", olm_inbound_group_session_is_verified(sessionPtr)); - - returnValue = (0 != olm_inbound_group_session_is_verified(sessionPtr)) ? JNI_TRUE : JNI_FALSE; - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return returnValue; -} - -/** - * Exports the session as byte array from a message index - * An exception is thrown if the operation fails. - * @param messageIndex key used to encrypt the serialized session data - * @return the session saved as bytes array - **/ -JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(exportJni)(JNIEnv *env, jobject thiz, jlong messageIndex) { - jbyteArray exportedByteArray = 0; - const char* errorMessage = NULL; - OlmInboundGroupSession *sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - - LOGD("## exportJni(): inbound group session IN"); - - if (!sessionPtr) - { - LOGE(" ## exportJni (): failure - invalid inbound group session instance"); - errorMessage = "invalid inbound group session instance"; - } - else - { - size_t length = olm_export_inbound_group_session_length(sessionPtr); - - LOGD(" ## exportJni(): length =%lu", static_cast<long unsigned int>(length)); - - void *bufferPtr = malloc(length * sizeof(uint8_t)); - - if (!bufferPtr) - { - LOGE(" ## exportJni(): failure - pickledPtr buffer OOM"); - errorMessage = "pickledPtr buffer OOM"; - } - else - { - size_t result = olm_export_inbound_group_session(sessionPtr, - (uint8_t*)bufferPtr, - length, - (long) messageIndex); - - if (result == olm_error()) - { - errorMessage = olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## exportJni(): failure - olm_export_inbound_group_session() Msg=%s", errorMessage); - } - else - { - LOGD(" ## exportJni(): success - result=%lu buffer=%.*s", static_cast<long unsigned int>(result), static_cast<int>(length), static_cast<char*>(bufferPtr)); - - exportedByteArray = env->NewByteArray(length); - env->SetByteArrayRegion(exportedByteArray, 0 , length, (jbyte*)bufferPtr); - - // clean before leaving - memset(bufferPtr, 0, length); - } - - free(bufferPtr); - } - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return exportedByteArray; -} - -/** - * Serialize and encrypt session instance into a base64 string.<br> - * An exception is thrown if the operation fails. - * @param aKeyBuffer key used to encrypt the serialized session data - * @return a base64 string if operation succeed, null otherwise - **/ -JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer) -{ - const char* errorMessage = NULL; - - jbyteArray pickledDataRet = 0; - jbyte* keyPtr = NULL; - jboolean keyWasCopied = JNI_FALSE; - OlmInboundGroupSession* sessionPtr = getInboundGroupSessionInstanceId(env, thiz); - - LOGD("## inbound group session serializeJni(): IN"); - - if (!sessionPtr) - { - 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_inbound_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_inbound_group_session(sessionPtr, - (void const *)keyPtr, - keyLength, - (void*)pickledPtr, - pickledLength); - if (result == olm_error()) - { - errorMessage = olm_inbound_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>(pickledLength), static_cast<char*>(pickledPtr)); - - pickledDataRet = env->NewByteArray(pickledLength); - env->SetByteArrayRegion(pickledDataRet, 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 pickledDataRet; -} - -/** - * 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_INBOUND_GROUP_SESSION_FUNC_DEF(deserializeJni)(JNIEnv *env, jobject thiz, jbyteArray aSerializedDataBuffer, jbyteArray aKeyBuffer) -{ - const char* errorMessage = NULL; - - OlmInboundGroupSession* sessionPtr = NULL; - size_t sessionSize = olm_inbound_group_session_size(); - jbyte* keyPtr = NULL; - jboolean keyWasCopied = JNI_FALSE; - jbyte* pickledPtr = NULL; - - LOGD("## deserializeJni(): IN"); - - if (!sessionSize) - { - LOGE(" ## deserializeJni(): failure - inbound group session size = 0"); - errorMessage = "inbound group session size = 0"; - } - else if (!(sessionPtr = (OlmInboundGroupSession*)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 = "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_inbound_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_inbound_group_session(sessionPtr, - (void const *)keyPtr, - keyLength, - (void*)pickledPtr, - pickledLength); - if (result == olm_error()) - { - errorMessage = olm_inbound_group_session_last_error(sessionPtr); - LOGE(" ## deserializeJni(): failure - olm_unpickle_inbound_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_inbound_group_session(sessionPtr); - free(sessionPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)sessionPtr; -} |