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ChangeLog for 1.17.8.x

jiahao , 01 Nov 2020 (created 30 Jun 2020)

Version 1.17.8.2 - 13 July 2020

  • bugfix: builds with http_perl_module was broken. this regression had appeared in 1.17.8.1.
  • change: we no longer remove a lot of files (docs, perl modules, tests, and etc.) in our tarball.
  • upgraded lua-resty-limit-traffic to v0.07.
    • bugfix: miss to uncommit the last limiter in resty.limit.traffic's list. Thanks Jiteng Wang for the patch.

Version 1.17.8.1 - 4 July 2020

  • upgraded the nginx core to 1.17.8.

  • bugfix: nginx would crash when receiving SIGHUP in the single process mode. Thanks root for the patch.

  • bugfix: ngx_http_static_module: the 'Locatoin' response header value was not properly encoded by URI rules. Thanks lijunlong for the patch.

  • feature: passed C compiler option -g by default for statically linked openssl, pcre, and zlib libraries to enable debuginfo. Thanks lijunlong for the patch.

  • feature: added support for OpenSSL 1.1.1 by upgrading the OpenSSL patches. Thanks spacewander for the patch.

  • feature: added a new --with-luajit-ldflags=OPTS option for specifying custom LuaJIT linker flags.

  • feature: ensured all OpenSSL patches are now included in the release tarball. Thanks Thibault Charbonnier for the patch.

  • optimize: added an NGINX core patch to ensure unused listening fds are closed when reuseport is used. Thanks spacewander for the patch.

  • optimize: removed many non-source files from the release tarball to reduce its final size. Thanks Thibault Charbonnier for the patch.

  • change: renamed the ssl_pending_session patch to ssl_sess_cb_yield for NGINX cores 1.17.1 and above. Thanks spacewander for the patch.

  • change: removed the gcc-maybe-uninitialized-warning patch which is now obsolete. Thanks Thibault Charbonnier for the patch.

  • change: we no longer maintain the NGINX dtrace patch.

  • bugfix: support yielding in ssl_certificate_by_lua_* when ssl_early_data is on. Thanks spacewander for the patch.

  • bugfix: ensured we apply the init_cycle_pool_release patch to NGINX cores >= 1.13.6 instead of 1.13.6 only. Thanks Thibault Charbonnier for the patch.

  • tweak: updated the --without-luajit-gc64 option to follow Mike Pall's commit which enables GC64 by default on x64 platforms. Thanks Thibault Charbonnier for the patch.

  • tweak: updated the ./configure --help usage text output for recent NGINX cores.

  • win32/win64: upgraded PCRE to 8.44 and OpenSSL to 1.1.1d.

  • upgraded ngx_lua to 0.10.16.

    • feature: ngx.req.set_uri(): added the 'binary' optional boolean arg to allow arbitrary binary data in the unencoded URI. Thanks lijunlong for the patch.

    • security: ngx.req.set_header(): now we always escape bytes in headernames and header values which are prohibited by RFC 7230. Thanks lijunlong for the patch.

    • feature: ngx.req.set_uri_args() now automatically escapes control and whitespace characters if the query-string is provided directly. Thanks lijunlong for the patch.

    • bugfix: ngx.req.set_uri_args() threw an exception with wrong argument info. Thanks lijunlong for the patch.

    • bugfix: set_by_lua_block allowed more than one arg (in addition to the block). Thanks lijunlong for the patch.

    • bugfix: prevented request smuggling in the ngx.location.capture() API. Thanks UltramanGaia for the report and Thibault Charbonnier for the patch.

    • bugfix: ngx.req.set_header(): only override the input header once. Thanks spacewander for the patch.

    • change: lua-resty-core is now mandatorily loaded, and the lua_load_resty_core directive is deprecated. Thanks Thibault Charbonnier for the patch.

    • change: given the above change, old CFunction APIs have been retired when newer FFI implementations are available via resty.core. Thanks Thibault Charbonnier for the patch.

    • change: given the above changes, we now prevent compilation with PUC-Rio Lua; only LuaJIT 2.x is supported going forward. Thanks Thibault Charbonnier for the patch.

    • change: removed compatibility code for unsupported NGINX core versions (< 1.6.0). Thanks Thibault Charbonnier for the patch.

    • change: we now ignore lua_regex_* directives when NGINX is compiled without PCRE support, which allows for resty-cli to work without requiring PCRE. Thanks Thibault Charbonnier for the patch.

    • change: removed extraneous error logging when coroutine.resume() throws runtime errors; this change ensures ngx_lua aligns with standard Lua behavior. Thanks Thibault Charbonnier for the patch.

    • change: coroutine.wrap() now propagates runtime errors to the parent coroutine; this change ensures ngx_lua aligns with standard Lua behavior. Thanks Thibault Charbonnier for the patch.

    • feature: ngx.pipe: added support for specifying environment variables in the ngx_pipe.spawn() FFI API. Thanks spacewander for the patch.

    • feature: ngx.pipe: added support for specifying timeouts in the ngx_pipe.spawn FFI API. Thanks spacewander for the patch.

    • feature: ngx.pipe: added support for calling ngx_pipe.shutdown() on a sub-process when a light thread is waiting on it. Thanks spacewander for the patch.

    • feature: enabled the ngx.thread and ngx.socket.udp APIs in ssl_session_fetch_by_lua*. Thanks Tom Thorogood for the patch.

    • feature: implemented the FFI interface for the ngx_req.add_header API. Thanks spacewander for the patch.

    • feature: implemented the FFI interfaces for ngx.crc32_short and ngx.crc32_long. Thanks Thibault Charbonnier for the patch.

    • feature: when a timer fails to run, we now log the location of its function's definition. Thanks spacewander for the patch.

    • bugfix: skip the ssl_session_store_by_lua* and ssl_session_fetch_by_lua* handlers when using TLS 1.3. Thanks spacewander for the patch.

    • bugfix: config: ensured LuaJIT FFI check and static PCRE builds succeed on all platforms. Thanks Thibault Charbonnier for the patch.

    • bugfix: config: fallback to --undefined option for ld 2.25 and below. Thanks Thibault Charbonnier for the patch.

    • bugfix: config: ensured the pcre_version symbol is always preserved when PCRE is statically linked. Thanks Thibault Charbonnier for the patch.

    • bugfix: config: ensured the pcre_version symbol is always preserved on Darwin platforms as well. Thanks Thibault Charbonnier for the patch.

    • bugfix: config: fixed an issue preventing compiliation with dynamic modules; we now avoid specifying -DLUA_DEFAULT_PATH and -DLUA_DEFAULT_CPATH via CFLAGS.

    • bugfix: ensured set_by_lua_file directives containing NGINX variables re-computes their closure's code cache key. Thanks Thibault Charbonnier for the patch.

    • bugfix: fixed compilation with NGINX cores < 1.11.11. Thanks Thibault Charbonnier for the patch.

    • bugfix: error logs now set LuaJIT's currentline to -1 if no currentline is available. Thanks spacewander for the patch.

    • bugfix: ngx.pipe: ensured reading while a process died returns the "closed" error. Thanks Thibault Charbonnier for the patch.

    • bugfix: added missing arguments to an ngx_log_error call in ngx_http_lua_pipe.c. Thanks Thibault Charbonnier for the patch.

    • optimize: improved code cache lookup performance by using luaL_ref() to avoid invoking the costly lj_str_new for each Lua handler execution. Thanks Thibault Charbonnier for the patch.

    • optimize: fixed the pre-allocated number of keys in the ngx.socket.tcp table. Thanks Thibault Charbonnier for the patch.

    • optimize: removed declaration of the obsolete ngx_http_lua_inject_logby_ngx_api function. Thanks Thibault Charbonnier for the patch.

    • refactor: simplified Lua chunk and file cache key generation. Thanks Thibault Charbonnier for the patch.

    • refactor: reduced cache key size by removing unnecessary chunkname component. Thanks Thibault Charbonnier for the patch.

    • misc: ngx_http_lua_util.h: removed ngx_str_set definition as it is always defined in NGINX 1.6.0+ (the minimum supported NGINX core version). Thanks Thibault Charbonnier for the patch.

    • misc: removed dead code, guard non-OpenResty LuaJIT definitions, and fixed styling issues. Thanks Thibault Charbonnier for the patch.

    • misc: fixed some warnings from the clang static code analyzer.

    • style: fixed a minor alignment issue in ngx_http_lua_ssl_certby.c. Thanks Thibault Charbonnier for the patch.

    • style: updated nginx_version guard macros and assume it is always defined. Thanks Thibault Charbonnier for the patch.

  • upgraded ngx_stream_lua to 0.0.8.

    • feature: this module can now be compiled as a dynamic module with via the --with-dynamic-module=PATH option of ./configure.
    • bugfix: config: fixed an issue preventing compiliation with dynamic modules; we now avoid specifying -DLUA_DEFAULT_PATH and -DLUA_DEFAULT_CPATH via CFLAGS.
    • Ported many features from ngx_http_lua 0.10.16. Thanks Thibault Charbonnier for the ports.
      • change: lua-resty-core is now mandatorily loaded, and the lua_load_resty_core directive is deprecated.
      • change: given the above change, old CFunction APIs have been retired when newer FFI implementations are available via resty.core.
      • change: given the above changes, we now prevent compilation with PUC-Rio Lua; only LuaJIT 2.x is supported going forward.
      • change: removed compatibility code for unsupported NGINX core versions (< 1.6.0).
      • change: removed extraneous error logging when coroutine.resume() throws runtime errors; this change ensures ngx_stream_lua aligns with standard Lua behavior.
      • change: coroutine.wrap() now propagates runtime errors to the parent coroutine; this change ensures ngx_stream_lua aligns with standard Lua behavior.
      • feature: when a timer fails to run, we now log the location of its function's definition.
      • bugfix: error logs now set LuaJIT's currentline to -1 if no currentline is available.
      • bugfix: fixed compilation with NGINX cores < 1.11.11.
      • misc: fixed some warnings from the clang static code analyzer.
    • Ported many features from ngx_http_lua 0.10.15. Thanks Thibault Charbonnier for the ports.
      • feature: added the pool_size and backlog options to the tcpsock:connect() API in order to support backlog queuing in cosocket connection pools.
      • feature: implemented the tcpsock:receiveany() upstream cosocket API.
      • feature: allowed sending boolean and nil values in cosockets.
      • feature: api.h: exposed the ngx_stream_lua_ffi_str_t C data type for other NGINX C modules.
      • feature: errors are now logged when timers fail to run.
      • bugfix: we now avoid tcpsock:setkeepalive() putting connections into the pool when NGINX is already shutting down.
      • bugfix: inlined Lua code snippets in nginx.conf failed to use the Lua source checksum as part of the Lua code cache key.
      • bugfix: config: ensured LuaJIT FFI check and static PCRE builds succeed on all platforms.
      • bugfix: config: fallback to --undefined option for ld 2.25 and below.
      • bugfix: config: ensured the pcre_version symbol is always preserved when PCRE is statically linked.
      • bugfix: config: ensured the pcre_version symbol is always preserved on Darwin platforms as well.
  • upgraded lua-resty-core to 0.1.18.

    • bugfix: ngx.req.get_headers() might return an empty table without the metatable set. Thanks chengjie.zhou for the patch.
    • feature: resty.core.uri: ngx.escape_uri(): add optional argument type. Thanks lijunlong for the patch.
    • change: we now require ngx_lua v0.10.16 and ngx_stream_lua v0.0.8.
    • change: updated to support the ngx_http_lua module without the now removed CFunction APIs. Thanks Thibault Charbonnier for the patch.
    • feature: updated the ngx_ssl.get_tls1_version_str() API to recognize TLS 1.3 connections. Thanks Thibault Charbonnier for the patch.
    • feature: implemented the ngx.req module and the ngx_req.add_header() API. Thanks spacewander for the patch.
    • feature: added support specifying timeouts in the ngx_pipe.spawn() API. Thanks spacewander for the patch.
    • feature: added support for specifying environment variables in the ngx_pipe.spawn() API. Thanks spacewander for the patch.
    • feature: allowed for calling ngx_pipe.shutdown() on a sub-process when a light thread is waiting on it. Thanks spacewander for the patch.
    • feature: implemented ngx.crc32_short() and ngx.crc32_long() via FFI. Thanks Thibault Charbonnier for the patch.
    • feature: ensured loading the ngx.re module without PCRE produces a friendly error. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based API for all ngx.worker.* APIs in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based API for ngx.var in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based API for ngx.ctx and 'ngx.status' in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based API for ngx.encode_base64() and ngx.decode_base64() in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based API for ngx.exit() in the stream submodule. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based APIs for ngx.escape_uri() and ngx.unescape_uri() in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • feature: enabled the FFI-based APIs for ngx.md5(), ngx.md5_bin(), and ngx.sha1_bin() in the stream subsystem. Thanks Thibault Charbonnier for the patch.
    • bugfix: ngx.re: fixed the error stacktrace level when missing PCRE support. Thanks Thibault Charbonnier for the patch.
    • bugfix: ensured ngx.pipe APIs with an invalid self argument throw an error with the proper stack level. Thanks Thibault Charbonnier for the patch.
    • bugfix: updated ssl.get_tls1_version_str() to return the error "unknown version" when the TLS version number is not recognized. Thanks Thibault Charbonnier for the patch.
    • optimize: load the resty.core.misc module last to avoid metatable lookups on ngx. Thanks Thibault Charbonnier for the patch.
    • optimize: made ngx_resp.add_header() early-exit when header_value is an empty table. Thanks spacewander for the patch.
  • upgraded LuaJIT to 2.1-20200102.

    • feature: Increased the maximum number of allowed upvalues from 60 to 120.
    • feature: Added initial s390x support.
    • Move all register allocations out of the asm_href loop.
    • aarch64: Fix register allocation issue for XLOAD.
    • aarch64: Use the xzr register whenever possible.
    • aarch64: Allocate LJ_TISNUM early.
    • aarch64: Fixed crash with side traces under register pressure.
    • ARM: Fix up condition codes for conditional arithmetic insn.
    • ARM64: Added support for FNMADD and FNMSUB.
    • Fixed os.date for timezone change awareness.
    • jit.prngstate: Return a sane value (0) for LUAJIT_DISABLE_JIT.
    • thread.exdata: Build recff_thread_exdata only for LJ_HASFFI.
    • Removed redundant emit_check_ofs.
    • doc: mentioned the increase in the maximum number of upvalues in the miscellaneous section.
    • doc: reworded the description of the table.isempty API.
    • imported Mike Pall's latest changes:
      • Properly fix pointer diff in string.find().
      • x64: Enable LJ_GC64 mode by default.
      • FFI: Eliminate hardcoded string hashes.
      • Fix interaction between profiler hooks and finalizers.
      • Don't use STRREF for pointer diff in string.find().
      • Fix tonumber("-0").
      • Fix hash table chaining (again).
      • Fix declarations of _BitScanForward/_BitScanReverse.
      • Add stricter check for print() vs. tostring() shortcut.
      • Prevent integer overflow while parsing long strings.
      • Fix stack check when recording BC_VARG.
      • FFI: Add missing write barrier on C library index update.
      • FFI: Workaround for platform dlerror() returning NULL.
      • OSX: Use __thread attribute.
      • OSX: Don't set a default MACOSX_DEPLOYMENT_TARGET.
      • Build MinGW import library, too.
      • Fix MinGW make clean.
      • Update Android and iOS build docs.
      • Add note about the unsuitabilty of math.random() for crypto.
      • Update MSVC build script and docs.
      • More recent MSVC is partially C99 compliant.
      • Fix narrowing of conversions to U32.
      • doc: readme.md: improve completeness and readability.
      • Fix unsinking of 64 bit constants.
      • Fix bytecode dump unpatching.
      • Fix debug.getinfo() argument check.
      • MIPS: Fix delay slot hint.
      • Fix TNEW load forwarding with instable types.
      • ARM: Fix GCC 7 -Wimplicit-fallthrough warnings.
      • ARM: Fix condition code check fusion.
      • ARM64: Avoid side-effects of constant rematerialization.
  • upgraded lua-resty-lrucache to 0.10.

    • feature: implemented a user flags attribute similar to that of the 'shdict' API. Thanks Thibault Charbonnier for the patch.
    • feature: implemented the cache:get_keys() API. Thanks Thibault Charbonnier for the patch.
    • feature: implemented the cache:count() and cache:capacity() APIs. Thanks Datong Sun for the patch.
    • feature: implemented a user flags attribute similar to that of the ngx.shared API. Thanks Thibault Charbonnier for the patch.
    • makefile: added a lint target to detect invalid test cases which we now use in Travis CI. Thanks Thibault Charbonnier for the patch.
    • doc: cleaned up outdated resources and grammatical improvements.
    • doc: fixed a minor typo in the cache:flush_all() description.
    • doc: updated the cache:set usage section to reflect the ttl argument being optional.
  • upgraded lua-resty-string to 0.12.

    • optimize: removed a duplicate string length lookup in to_hex(). Thanks Robert Paprocki for the patch.
  • upgraded lua-resty-redis to 0.28.

    • bugfix: handle mixture of read_reply() and other commands. Thanks spacewander for the patch.
    • feature: added new options ssl and ssl_verify to the red:connect() API for connecting to Redis over TLS. Thanks Vinayak Hulawale for the patch.
    • feature: implemented the red:set_timeouts() API. Thanks zouyi for the patch.
  • upgraded lua-resty-shell to 0.03.

    • doc: clarified return values and behavior upon reaching a timeout threshold. Thanks Dejiang Zhu for the patch.
  • upgraded resty-cli to 0.25.

    • security: restydoc-index: we did not quote doc file paths properly when interpolating them into shell commands, which was a security vulnerability. Thanks xlibor for the patch.
    • feature: resty: added new --user-runner option.
    • feature: set the ngx.config.is_console field to true to detect the resty-cli environment from Lua scripts.
    • bugfix: we do not forward SIGHUP to NGINX processes anymore since resty-cli is usually run as non-daemon and SIGHUP should be converted to SIGQUIT.
  • upgraded ngx_echo to 0.62.

    • bugfix: config: we now always use double quotes in [...] conditionals.
    • bugfix: config: avoided an error with NGINX 1.17.0 and above. Thanks Thibault Charbonnier for the patch.
    • style: fixed a coding style issue found by ngx-releng.
  • upgraded ngx_srcache to 0.32.

    • bugfix: config: we should always use double quotes in [...] conditionals.
    • bugfix: config: avoided an error with NGINX 1.17.0 and above. Thanks Thibault Charbonnier for the patch.
    • style: fixed minor coding style issues found by ngx-releng.
    • doc: documented a tip to make memcached store objects bigger than 1MB.
  • upgraded lua-cjson to 2.1.0.8.

    • feature: added an option to disable forward slash escaping. Thanks Jesper Lundgren for the patch.
  • upgraded lua-resty-memcached to v0.15.

    • bugfix: gets() did not return socket send errors at the correct index. Thanks Justin Li for the patch.