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Added error logs in lime decryption process

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This commit is contained in:
Sylvain Berfini 2017-07-18 10:14:34 +02:00
parent 4b8dd8670e
commit 0beb626b5d
1 changed files with 9 additions and 0 deletions
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9
coreapi/lime.c
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@ -595,6 +595,7 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
/* retrieve selfZID from cache, and convert it to an Hexa buffer to easily match it against hex string containg in xml message as pzid */
if (bzrtp_getSelfZID(cachedb, selfURI, selfZid, NULL) != 0) {
ms_error("[LIME] Couldn't get self ZID");
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
bctbx_int8_to_str(selfZidHex, selfZid, 12);
@ -604,11 +605,13 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
xmlSetGenericErrorFunc(xml_ctx, linphone_xmlparsing_genericxml_error);
xml_ctx->doc = xmlReadDoc((const unsigned char*)message, 0, NULL, 0);
if (xml_ctx->doc == NULL) {
ms_error("[LIME] XML doc is null");
retval = LIME_INVALID_ENCRYPTED_MESSAGE;
goto error;
}
if (linphone_create_xml_xpath_context(xml_ctx) < 0) {
ms_error("[LIME] Couldn't create xml xpath context");
retval = LIME_INVALID_ENCRYPTED_MESSAGE;
goto error;
}
@ -623,6 +626,7 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
/* Get the matching key from cache */
retval = lime_getCachedRcvKeyByZid(cachedb, &associatedKey, selfURI, peerURI);
if (retval != 0) {
ms_error("[LIME] Couldn't get cache rcv key by ZID");
goto error;
}
@ -669,18 +673,21 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
/* do we have retrieved correctly all the needed data */
if (encryptedMessage == NULL) {
ms_error("[LIME] Encrypted message is null, something went wrong...");
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
/* shall we derive our key before going for decryption */
if (usedSessionIndex < associatedKey.sessionIndex) {
/* something wen't wrong with the cache, this shall never happend */
ms_error("[LIME] Session index < associated key's session index, should not happen !");
ms_free(encryptedMessage);
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
if ((usedSessionIndex - associatedKey.sessionIndex > MAX_DERIVATION_NUMBER) ) {
/* we missed to many messages, ask for a cache reset via a ZRTP call */
ms_error("[LIME] Too many messages missed, cache should be reset by ZRTP call");
ms_free(encryptedMessage);
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
@ -702,6 +709,7 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
if (retval != 0) {
ms_free(*output);
*output = NULL;
ms_error("[LIME] Couldn't decrypt message");
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
@ -713,6 +721,7 @@ int lime_decryptMultipartMessage(void *cachedb, uint8_t *message, const char *se
if (retval != 0) {
ms_free(*content_type);
*content_type = NULL;
ms_error("[LIME] Couldn't decrypt content type");
return LIME_UNABLE_TO_DECRYPT_MESSAGE;
}
}