ulfius

• Add functions ulfius_send_http_request_with_limit and ulfius_send_http_streaming_request_max_header
• cmake: restore option WITH_YDER which was forgotten in last release refactor
• cmake: split package build options in 3 (tar.gz, deb and rpm), and set all packages build to off by default

This release is dedicated to my dear friend @oliv3 , may you rest in peace.

• Set protocols to http and https only in send requests
• Fix static analyzer warnings
• Minor improvements
• cmake: remove DownloadProject feature, now dependencies must be previously installed

• Websockets client: fix case where server sends a 0-length packet (#245)
• Minor improvements

• Improve cmake script and build for Visual Studio integration
• Minor bugfixes
• Build with flag -Wconversion
• Add cmake build flag WITH_WEBSOCKET_MESSAGE_LIST to completely disable message lists storage in websockets

• Add ulfius_websocket_parse_json_message for incoming websocket messages
• Breaking: in ulfius_websocket_send_json_message, return U_ERROR_PARAMS if j_message is NULL
• Update callback examples
• Fix minor bugs

• Update SameSite cookie value, add U_COOKIE_SAME_SITE_EMPTY and allow value None
• Fix pkg-config file with absolute path for CMAKE_INSTALL_{INCLUDE,LIB}DIR
• Fix CMAKE_MODULE_PATH who was used as single value

• Fix multipart/form-data for large values, thanks itzoke! (#222, #223)
• Add option allowed_post_processor in struct _u_instance to disable post parameter processing depending on the content-type
• Add more example_callbacks

• Fix Origin header setting in websocket client
• Remove header duplicates and Content-Length
• Redirect libmicrohttpd logs to yder
• Replace uint with unsigned int
• Add ulfius_export_request_http and ulfius_export_response_http
• Use o_strnullempty instead of o_strlen to check if a char * has data

• Use o_malloc everywhere instead of malloc (#206)

• Fix ulfius_websocket_wait_close
• Fix ulfius_send_http_request when url contains spaces

• Fix cookie management in ulfius_send_http_request and ulfius_send_http_streaming_request
• Add option U_OPT_AUTH_BASIC to ulfius_set_request_properties
• Fix bug in static_compressed_inmemory_website callback example

• Add void parameter to functions with no param
• Security: Fix bug when malformed HTTP requests are sent, thanks Jeremy Brown! (CVE-2021-40540)
• Remove yder flag from libulfius.pc when yder is disabled
• Avoid Time-of-check time-of-use filesystem race condition, assume fopen result is enough

• Add ULFIUS_CHECK_VERSION macro (Thanks Oliv3)
• Add struct _websocket_manager.keep_messages flag
• Add struct _u_response.free_shared_data and ulfius_set_response_shared_data

• Fix post processor on multiple values with the same key (Thanks @Oliv3)
• Fix certificate generation on MacOS (Thanks @valera-rozuvan)
• Add missing check includes if tests are built (Thanks @valera-rozuvan)
• Add option U_OPT_HTTP_URL_APPEND to ulfius_set_request_properties
• Use ulfius_set_request_properties in example programs

• Fix websocket protocol and extension management bug, thanks to @oliv3
• Remove Travis CI tests
• Add Makefile flag UWSCFLAG to disable uwsc build

• Allow Content-Enconding header with ulfius_send_http_request to compress the response body
• Add http_compression callback example
• Add static_compressed_inmemory_website callback example
• Add callback return value U_CALLBACK_IGNORE to igore incrementation of request->callback_position
• Add ulfius_add_websocket_extension_message_perform and ulfius_add_websocket_client_extension_message_perform for advanced websocket extensions management
• Add Compression Extensions for WebSocket
• Fix lots of websocket bugs thanks to Autobahn|Testsuite.

• Update doc generation
• Add ulfius_websocket_send_json_message, thanks to Olivier Girondel
• Update pkg-config Libs with all dependencies
• Add ulfius_global_init and ulfius_global_close
• Rename U_STREAM_SIZE_UNKOWN to U_STREAM_SIZE_UNKNOWN, keep U_STREAM_SIZE_UNKOWN for backward compatibility

• Increase ULFIUS_POSTBUFFERSIZE to follow MHD documentation
• Adapt code to be compatible with all MHD version
• In case of secure websocket communication, use a combination of gnutls_record_check_pending() and poll() to determine if data is ready. (Thanks Wouter van Herpen!)
• Install uwsc manpage
• Fix bug about missing res variable assignment. (Thanks Gianfranco Costamagna!)

• Check header property case insensitive in websocket client
• Add libcurl option CURLOPT_NOPROGRESS in ulfius_send_http_streaming_request
• Add ulfius_start_framework_with_mhd_options for expert mode
• Fix websocket bugs: #163 (Thanks wouher!)
• Add ulfius_set_request_properties and ulfius_set_response_properties

• Update doc generation
• Fix jansson memoy management bug