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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

2.2.1 - 2023-08-18

Fixed

  • Missing serialisation for from-unix and from-abstract.

Changed

  • Improve wording/grammar in README and manpage.

2.2.0 - 2023-08-16

Fixed

  • Missing header files for newer GCC versions, thanks to Varun Madiath.
  • Use-after-free of blackhole working directory path.
  • A few compiler warnings on unnecessary allocation of string literals.

Added

  • Deprecation warnings if rules are specified in YAML format.
  • Unlink socket file before bind if SO_REUSEADDR is used.
  • Support for Linux abstract sockets.
  • Support for matching an existing Unix domain socket or abstract socket.
  • stream/datagram aliases for tcp/udp socket types.
  • Flag to prevent unlinking of socket files when closing sockets.

Changed

  • Rule files (-f) are now just a list of newline-separated rule (-r) arguments instead of YAML files.
  • Improve and overhaul README and man page.
  • Split build instructions into separate file.
  • Include URL to README in usage if manpage is not being built.
  • Turn into a Nix Flake.
  • Improve serializer to be more robust in end-of-stream conditions.
  • Bump requirements to require at least GCC version 9.

Removed

  • Badges (eg. LGTM and build status) in README and Hydra.
  • No longer prefer C library path over RTLD_NEXT.

2.1.4 - 2021-07-10

Fixed

  • Ordering between systemd socket file descriptor names and rules.
  • Usage of C library path as discovered by Meson.

2.1.3 - 2020-06-01

Fixed

  • Pass linker version script to the linker instead of the compiler.
  • Compile with -fPIC again (regression from version 2.1.2).
  • Out of bounds array access in globpath.
  • Handling of epoll_ctl calls (they're now replayed after replacing socket).
  • GCC 10 build errors and Clang warnings.

2.1.2 - 2020-05-27

Fixed

  • Support for glibc >= 2.30 by splitting preload library and main executable.

2.1.1 - 2019-09-20

Fixed

  • Segfault when using accept() or accept4() without a sockaddr buffer.

2.1.0 - 2019-06-21

Added

  • Support AF_INET and AF_INET6 sockets for systemd socket activation.

2.0.1 - 2019-02-26

Fixed

  • Unregister socket as soon as we know that no rule matches.

Removed

  • The encode_rules() function is no longer needed because the serializer has been refactored in version 2.0.0.

2.0.0 - 2018-12-26

Fixed

  • Use right endian conversion functions in port matching.
  • Pass is_unix to child socket on accept to prevent accidentally replacing an already converted Unix socket by a new Unix socket. The latter would be a socket that's not accepted, which would eventually lead to an error.
  • Correctly handle setsockopts used with other levels than SOL_SOCKET.

Added

  • New ignore rule option, which prevents conversion to Unix socket.
  • A way to increase the verbosity via the -v command line argument.
  • Reams of log messages in addition to the FATAL errors we had so far.
  • Use Syslog format for logging if stderr is a socket.
  • Set FD_CLOEXEC on systemd socket file descriptors as soon as they're associated.

Changed

  • Improve wording and add more descriptions in README and manpage.
  • The implementation for fetching systemd sockets now no longer uses libsystemd, thus the build-time dependency is no longer required.
  • New serialiser for passing rules to the preloaded library in a more compact form instead of using YAML, so it's less likely that we'll hit the maximum stack size.
  • Systemd sockets are now associated during rule initialisation and thus behave more predictable in complex setups.

1.2.0 - 2018-11-12

Fixed

  • Don't fail when building the manual with AsciiDoc and xmllint.
  • Some long options (--rule, --rules-file and --rules-data) were ignored.
  • Manpage formatting is now more consistent.

Added

  • A new --version command line argument for showing version information.

1.1.1 - 2018-11-07

Fixed

  • Don't unlink target socket path if connect is used after bind.

1.1.0 - 2018-11-07

Fixed

  • Prevent closing file descriptors passed by systemd.

Added

  • Allow to specify port ranges.

1.0.0 - 2018-11-05

Added

  • The initial release, which evolved from an early prototype specific to a certain use case into a more generic command line tool.