mcd v2.3

Changes

• Add IGMP proto support for raw VLAN interfaces
• New mctl show mdb command
• New mctl check command to probe for required tools
• All mctl commands now run mctl check internally to ensure
  required tools are available
• Refactored logging, all log messages affected and may have been
  altered in their output, and severity
• Add configure support for setting IPC socket group ID when mcd
  creates its IPC socket, useful to provide wheel group access

Fixes

• Fix router port detection for VLAN filtering bridges
• Fix duplicate log message on send_igmp() failure
• Fix time_t -> int misuse, found by Coverity Scan
• Fix uninitialized scalars, found by Coverity Scan
• Fix resource leak, found by Coverity Scan
• Fix possible out-of-bounds write, found by Coverity Scan
• Fix possible out-of-bounds access, found by Coverity Scan
• Fix build warnings, removing unused functions and adjusting levels

mcd v2.2

Changes

• Document required tools for installation
• Add support for MCD_SOCK environment variable
• Add helper tools for manual testing on Linux
• Hide IGMP robustness value from default mctl show output
• Improved output from mctl show [json] on multi-bridge systems

Fixes

• Fix detection of multicast router ports for mctl show
• Fix detection of IGMP/MLD fast-leave

mcd v2.1

No daemon changes, only mctl output formatting changes.

Changes

• Include bridge name in multicast group listings
• Add support for showing IPv6 and MAC multicast groups
• Minor format adjustments to IGMP/MLD interface view

Fixes

• Enforce -p (plain) mode for JSON output. Fixes spurious
  NUL characters in JSON output, added by mctl formatter

mcd v2.0

Complete rewrite of core IGMP parts, nothing left of the original
mrouted code base.

Note: breaking changes to .conf file format!

Changes

• Add support for IGMP query interval per interface
• IGMP global options renamed with global- prefix
• Add support for include GLOB directive to .conf parser, see
  bundled sample mcd.conf for an example
• Add support for injecting VLAN tagged frames and receiving frames on
  a VLAN filtering bridge without VLAN interfaces
• Add support for tracking remote querier's query interval using QQIC
• Relicense under the ISC license

Fixes

• Fix output from usage, -h, show correct paths used when
  program identity changes, also add missing options
• Add missing linefeed in show igmp json output
• Fix parsing of max response time (IGMP code field), changed
  in IGMPv3 to use float encoding for values >= 128
• Fix JSON output for interface state and querier fields

mcd v1.0

First release under new stewardship.

Changes

• Project forked and renamed to mcd
• Add JSON output support
• Renamed setting proxy-queries to proxy-mode, compat
  for old setting name remains
• Use lower-case characters for MAC addresses
• Update documentation, missing iface settings

Fixes

• Allow fallback to proxy mode if interface has no address
• Fix coding style
• Fix build warnings