diff --git a/indra/llcommon/llsdserialize.cpp b/indra/llcommon/llsdserialize.cpp index ede212181d96e2ada8d01a65c4155a2841534f46..be54ed053bee7d6d3d918260251b3ccfaee14810 100644 --- a/indra/llcommon/llsdserialize.cpp +++ b/indra/llcommon/llsdserialize.cpp @@ -2121,22 +2121,13 @@ std::string zip_llsd(LLSD& data) deflateEnd(&strm); free(output); -#if 0 //verify results work with unzip_llsd - std::istringstream test(result); - LLSD test_sd; - if (!unzip_llsd(test_sd, test, result.size())) - { - LL_ERRS() << "Invalid compression result!" << LL_ENDL; - } -#endif - return result; } //decompress a block of LLSD from provided istream // not very efficient -- creats a copy of decompressed LLSD block in memory // and deserializes from that copy using LLSDSerialize -bool unzip_llsd(LLSD& data, std::istream& is, S32 size) +LLUZipHelper::EZipRresult LLUZipHelper::unzip_llsd(LLSD& data, std::istream& is, S32 size) { U8* result = NULL; U32 cur_size = 0; @@ -2147,7 +2138,7 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) U8 *in = new(std::nothrow) U8[size]; if (!in) { - return false; + return ZR_MEM_ERROR; } is.read((char*) in, size); @@ -2171,7 +2162,7 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) inflateEnd(&strm); free(result); delete [] in; - return false; + return ZR_DATA_ERROR; } switch (ret) @@ -2183,7 +2174,7 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) inflateEnd(&strm); free(result); delete [] in; - return false; + return ZR_MEM_ERROR; break; } @@ -2198,7 +2189,7 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) free(result); } delete[] in; - return false; + return ZR_MEM_ERROR; } result = new_result; memcpy(result+cur_size, out, have); @@ -2212,33 +2203,50 @@ bool unzip_llsd(LLSD& data, std::istream& is, S32 size) if (ret != Z_STREAM_END) { free(result); - return false; + return ZR_DATA_ERROR; } //result now points to the decompressed LLSD block { - std::string res_str((char*) result, cur_size); + std::istringstream istr; + // Since we are using this for meshes, data we are dealing with tend to be large. + // So string can potentially fail to allocate, make sure this won't cause problems + try + { + std::string res_str((char*)result, cur_size); + + std::string deprecated_header("<? LLSD/Binary ?>"); - std::string deprecated_header("<? LLSD/Binary ?>"); + if (res_str.substr(0, deprecated_header.size()) == deprecated_header) + { + res_str = res_str.substr(deprecated_header.size() + 1, cur_size); + } + cur_size = res_str.size(); - if (res_str.substr(0, deprecated_header.size()) == deprecated_header) + istr.str(res_str); + } +#ifdef LL_WINDOWS + catch (std::length_error) { - res_str = res_str.substr(deprecated_header.size()+1, cur_size); + free(result); + return ZR_SIZE_ERROR; + } +#endif + catch (std::bad_alloc) + { + free(result); + return ZR_MEM_ERROR; } - cur_size = res_str.size(); - std::istringstream istr(res_str); - if (!LLSDSerialize::fromBinary(data, istr, cur_size)) { - LL_WARNS() << "Failed to unzip LLSD block" << LL_ENDL; free(result); - return false; - } + return ZR_PARSE_ERROR; + } } free(result); - return true; + return ZR_OK; } //This unzip function will only work with a gzip header and trailer - while the contents //of the actual compressed data is the same for either format (gzip vs zlib ), the headers diff --git a/indra/llcommon/llsdserialize.h b/indra/llcommon/llsdserialize.h index 23a0c8cfb1e332ea0346517c1cec74d2e33514b9..9f58d44fe7908b0fc70eb5eaba350a160feaea25 100644 --- a/indra/llcommon/llsdserialize.h +++ b/indra/llcommon/llsdserialize.h @@ -814,8 +814,24 @@ class LL_COMMON_API LLSDSerialize } }; +class LL_COMMON_API LLUZipHelper : public LLRefCount +{ +public: + typedef enum e_zip_result + { + ZR_OK = 0, + ZR_MEM_ERROR, + ZR_SIZE_ERROR, + ZR_DATA_ERROR, + ZR_PARSE_ERROR, + } EZipRresult; + // return OK or reason for failure + static EZipRresult unzip_llsd(LLSD& data, std::istream& is, S32 size); +}; + //dirty little zip functions -- yell at davep LL_COMMON_API std::string zip_llsd(LLSD& data); -LL_COMMON_API bool unzip_llsd(LLSD& data, std::istream& is, S32 size); + + LL_COMMON_API U8* unzip_llsdNavMesh( bool& valid, unsigned int& outsize,std::istream& is, S32 size); #endif // LL_LLSDSERIALIZE_H diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 5068c9c685e4a3871829f17985448d8fd05e89a1..b1be29f594ace4f9c576d0a904f9000d7519e72c 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2367,9 +2367,10 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) //input stream is now pointing at a zlib compressed block of LLSD //decompress block LLSD mdl; - if (!unzip_llsd(mdl, is, size)) + U32 uzip_result = LLUZipHelper::unzip_llsd(mdl, is, size); + if (uzip_result != LLUZipHelper::ZR_OK) { - LL_DEBUGS("MeshStreaming") << "Failed to unzip LLSD blob for LoD, will probably fetch from sim again." << LL_ENDL; + LL_DEBUGS("MeshStreaming") << "Failed to unzip LLSD blob for LoD with code " << uzip_result << " , will probably fetch from sim again." << LL_ENDL; return false; } diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index db6d00bc2cfc9b749e0ca7617ac6fdea0d166322..29af859cd002bea503532f74b2a2c7fb07c9f53b 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -1354,7 +1354,7 @@ bool LLModel::loadSkinInfo(LLSD& header, std::istream &is) LLSD skin_data; - if (unzip_llsd(skin_data, is, size)) + if (LLUZipHelper::unzip_llsd(skin_data, is, size) == LLUZipHelper::ZR_OK) { mSkinInfo.fromLLSD(skin_data); return true; @@ -1375,7 +1375,7 @@ bool LLModel::loadDecomposition(LLSD& header, std::istream& is) LLSD data; - if (unzip_llsd(data, is, size)) + if (LLUZipHelper::unzip_llsd(data, is, size) == LLUZipHelper::ZR_OK) { mPhysics.fromLLSD(data); updateHullCenters(); diff --git a/indra/newview/llmaterialmgr.cpp b/indra/newview/llmaterialmgr.cpp index f996557c17a01cb15e5593094b32befd0e00da58..3befdaf88d145fea21e21b02287d881d81886c07 100644 --- a/indra/newview/llmaterialmgr.cpp +++ b/indra/newview/llmaterialmgr.cpp @@ -410,9 +410,10 @@ void LLMaterialMgr::onGetResponse(bool success, const LLSD& content, const LLUUI std::istringstream content_stream(content_string); LLSD response_data; - if (!unzip_llsd(response_data, content_stream, content_binary.size())) + U32 uzip_result = LLUZipHelper::unzip_llsd(response_data, content_stream, content_binary.size()); + if (uzip_result != LLUZipHelper::ZR_OK) { - LL_WARNS("Materials") << "Cannot unzip LLSD binary content" << LL_ENDL; + LL_WARNS("Materials") << "Cannot unzip LLSD binary content: " << uzip_result << LL_ENDL; return; } @@ -452,9 +453,10 @@ void LLMaterialMgr::onGetAllResponse(bool success, const LLSD& content, const LL std::istringstream content_stream(content_string); LLSD response_data; - if (!unzip_llsd(response_data, content_stream, content_binary.size())) + U32 uzip_result = LLUZipHelper::unzip_llsd(response_data, content_stream, content_binary.size()); + if (uzip_result != LLUZipHelper::ZR_OK) { - LL_WARNS("Materials") << "Cannot unzip LLSD binary content" << LL_ENDL; + LL_WARNS("Materials") << "Cannot unzip LLSD binary content: " << uzip_result << LL_ENDL; return; } @@ -520,9 +522,10 @@ void LLMaterialMgr::onPutResponse(bool success, const LLSD& content) std::istringstream content_stream(content_string); LLSD response_data; - if (!unzip_llsd(response_data, content_stream, content_binary.size())) + U32 uzip_result = LLUZipHelper::unzip_llsd(response_data, content_stream, content_binary.size()); + if (uzip_result != LLUZipHelper::ZR_OK) { - LL_WARNS("Materials") << "Cannot unzip LLSD binary content" << LL_ENDL; + LL_WARNS("Materials") << "Cannot unzip LLSD binary content: " << uzip_result << LL_ENDL; return; } else diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp index 25bd0d855e80badece2612cc5bc8801d731c7723..51ca7a8a5140381b4e8db2a5d6dc315af5c0be97 100644 --- a/indra/newview/llmeshrepository.cpp +++ b/indra/newview/llmeshrepository.cpp @@ -1765,9 +1765,11 @@ bool LLMeshRepoThread::skinInfoReceived(const LLUUID& mesh_id, U8* data, S32 dat std::istringstream stream(res_str); - if (!unzip_llsd(skin, stream, data_size)) + U32 uzip_result = LLUZipHelper::unzip_llsd(skin, stream, data_size); + if (uzip_result != LLUZipHelper::ZR_OK) { LL_WARNS(LOG_MESH) << "Mesh skin info parse error. Not a valid mesh asset! ID: " << mesh_id + << " uzip result" << uzip_result << LL_ENDL; return false; } @@ -1797,9 +1799,11 @@ bool LLMeshRepoThread::decompositionReceived(const LLUUID& mesh_id, U8* data, S3 std::istringstream stream(res_str); - if (!unzip_llsd(decomp, stream, data_size)) + U32 uzip_result = LLUZipHelper::unzip_llsd(decomp, stream, data_size); + if (uzip_result != LLUZipHelper::ZR_OK) { LL_WARNS(LOG_MESH) << "Mesh decomposition parse error. Not a valid mesh asset! ID: " << mesh_id + << " uzip result: " << uzip_result << LL_ENDL; return false; } diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp index 7c6cce5c58fa795712e953e0a22a168bcfbdebcc..99358f44516410a3a509f500ac2fef96c0ca12e9 100644 --- a/indra/newview/llviewermedia.cpp +++ b/indra/newview/llviewermedia.cpp @@ -784,18 +784,21 @@ void LLViewerMedia::updateMedia(void *dummy_arg) } } // update the audio stream here as well + static bool restore_parcel_audio = false; if( !inworld_audio_enabled) { if(LLViewerMedia::isParcelAudioPlaying() && gAudiop && LLViewerMedia::hasParcelAudio()) { LLViewerAudio::getInstance()->stopInternetStreamWithAutoFade(); + restore_parcel_audio = true; } } else { - if(gAudiop && LLViewerMedia::hasParcelAudio() && gSavedSettings.getBOOL("MediaTentativeAutoPlay")) + if(gAudiop && LLViewerMedia::hasParcelAudio() && restore_parcel_audio && gSavedSettings.getBOOL("MediaTentativeAutoPlay")) { LLViewerAudio::getInstance()->startInternetStreamWithAutoFade(LLViewerMedia::getParcelAudioURL()); + restore_parcel_audio = false; } }