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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](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [v4.2.0] - 2020-03-17
### Added
- New API function `slirp_add_unix`: add a forward rule to a Unix socket.
- New API function `slirp_remove_guestfwd`: remove a forward rule previously
added by `slirp_add_exec`, `slirp_add_unix` or `slirp_add_guestfwd`
- New SlirpConfig.outbound_addr{,6} fields to bind output socket to a
specific address
### Changed
- socket: do not fallback on host loopback if get_dns_addr() failed
or the address is in slirp network
### Fixed
- ncsi: fix checksum OOB memory access
- `tcp_emu()`: fix OOB accesses
- tftp: restrict relative path access
- state: fix loading of guestfwd state
## [4.1.0] - 2019-12-02
### Added
- The `slirp_new()` API, simpler and more extensible than `slirp_init()`.
- Allow custom MTU configuration.
- Option to disable host loopback connections.
- CI now runs scan-build too.
### Changed
- Disable `tcp_emu()` by default. `tcp_emu()` is known to have caused
several CVEs, and not useful today in most cases. The feature can
be still enabled by setting `SlirpConfig.enable_emu` to true.
- meson build system is now `subproject()` friendly.
- Replace remaining `malloc()`/`free()` with glib (which aborts on OOM)
- Various code cleanups.
### Deprecated
- The `slirp_init()` API.
### Fixed
- `getpeername()` error after `shutdown(SHUT_WR)`.
- Exec forward: correctly parse command lines that contain spaces.
- Allow 0.0.0.0 destination address.
- Make host receive broadcast packets.
- Various memory related fixes (heap overflow, leaks, NULL
dereference).
- Compilation warnings, dead code.
## [4.0.0] - 2019-05-24
### Added
- Installable as a shared library.
- meson build system
(& make build system for in-tree QEMU integration)
### Changed
- Standalone project, removing any QEMU dependency.
- License clarifications.
[unreleased]: https://gitlab.freedesktop.org/slirp/libslirp/compare/v4.1.0...master
[4.2.0]: https://gitlab.freedesktop.org/slirp/libslirp/compare/v4.1.0...v4.2.0
[4.1.0]: https://gitlab.freedesktop.org/slirp/libslirp/compare/v4.0.0...v4.1.0
[4.0.0]: https://gitlab.freedesktop.org/slirp/libslirp/commits/v4.0.0
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