Non-blocking netlink

Enhancements and Fixes

• Info Screen:
  • Fix hanging receive by switching to non-blocking netlink socket (#123).

Miscellaneous

• Bump autoconf minimum version to 2.7.1.

Support for XDG_CONFIG_HOME and white backgrounds

Enhancements and Fixes

• Info Screen:

  • improve format of percentages (use fixed format rather than auto-format).

• Configuration:

  • fix ncurses support for white backgrounds (#119),
  • configuration file now either in $XDG_CONFIG_HOME/wavemon/wavemonrc or in $HOME/.config/wavemon/wavemonrc (#106).

Miscellaneous

• avoid including include linux/if.h (#109),
• check and set support for C99 standard (#108),
• updated README (#107),
• configuration file can now be located in XDG_CONFIG_HOME (#105),
• added portable implementation of asprintf(3),
• updated copied nl80211 header file,
• make -Wpedantic the default when building.

IPv6 Support

Enhancements and Fixes

• Info Screen:

  • fix mis-spelled format identifier (#104),
  • add fields for carrier / link mode,
  • handle (accidentally) positive signal levels (#100),
  • fix display of bonded interfaces (#103),
  • add more network information,
  • add IPv6 support (#83),
  • use error-checking mutexes (#96),
  • display MCS bitrate information (#86);

• Scan Screen:

  • do not enable scan if rfkill is enabled (#84),
  • unblock data mutex at end (fixing a deadlock condition),
  • reset filter when there are no results;

• History Screen:

  • deprecate threshold actions (were not of much use),
  • remove support for noise levels,
  • add missing #include (#95),
  • add wide-character support (#97),
  • reset data when switching between interfaces;

• Menu Bar:

  • improve highlighting of selected entries;

Miscellaneous

• drop dependency on wireless extensions,
• build uses correct ncurses flags (#89),
• build now uses -Wextra by default,
• build now honours configure CFLAGS (#90),
• update README (#92),
• document how to use wavemon within screen (#85),
• list of wireless interfaces is now also populated via nl80211 (no longer ioctl).

Reorganize Info Screen

Several new features for Info Screen and Scan Screen.

Enhancements

• Info Screen:

  • fix and revise use of locks (#78),
  • reorganize and revamp screen layout,
  • add detailed retry and band information,
  • better handling of initialization (avoid blank screen),
  • scrap display of encryption keys (#80),
  • display warning if interface is down,
  • display warning if interface is disabled due to rfkill,
  • display the interface index of the wireless interface;

• Scan Screen:

  • add band filtering (#77),
  • add filtering for hidden Essids (#73),
  • add Information Element enum (#73),
  • add a notice if station is mesh-enabled,
  • more efficient filtering (right at source);

• History Screen:

  • improve legend format (only show what is needed),
  • improve format robustness against window resizing,
  • no longer erase existing data (keep it for the next time);

• Menu Bar:

  • unused keys are no longer displayed,
  • shortcut keys are now configurable;

Miscellaneous

• cleaned up and updated various header files;
• build: add a check for <ncursesw/curses.h> (#21),
• build: add explicit LICENSE file (#80),
• build: simplify colour pairs.

Support for wide characters (UTF-8)

Changing to libncursesw as the preferred variant, to ensure proper rendering on UTF-8 terminals.

Fixes

• General

  • proper rendering on UTF-8 terminals (#70),
  • enabled by using libncursesw in place of libncurses,
  • and using wide-characters for rendering where supported.

• Info Screen:

  • properly clear area when updating with new data,
  • do not leave rx / tx empty when no data available (use 'n/a' instead),
  • improve rendering on some terminal types (e.g. ansi),
  • refresh immediately after a window-size change;

• History Screen:

  • do not display noise / SNR levels when such data is not reported by the driver;

• Scan Screen:

  • fix segmentation fault when no CAP_NET_ADMIN permissions (#72),
  • fix locking bug (#78), redoing the original and incorrect fix (#42),
  • as a result, screen now retains data when switching windows;

• Conf Screen:

  • fix memory leak identified in #73,
  • reorganize into sections via separators.

Miscellaneous

• Keyboard shortcuts: can now use 0..9 in place of F10, F1..F9 (#76);
• Scan screen: increased the usable window size by 1 line;
• Build: updated several outdated build/bootstrap files.

Maintenance Fixes

This release contains fixes only - some for bugs, some for compatibility issues, other general maintenance.

Fixes

• Compatibility:
  • replace non-portable on_exit with portable at_exit (#62),
  • address gcc8 compiler warnings;
• Scan Screen:
  • fix memory leak in scan handler (#63);
• Info Screen:
  • fix logic around uninitialized variable (#64);
• Configuration Screen:
  • fix numerical key issue on ARM 32bit (Raspberri Pi 2, #66).

Transparent Background

General

wavemon now has a transparent background - thanks to @bigfreak85 in #61.
This option be disabled via transparent_bg = off in ~/.wavemonrc.

Fixes

• Info Screen:
  • disable locale to avoid funny thousand separators (#50),
  • prefer station signal over average station signal (#47);
• Scan Screen:
  • fix bug in displaying TLV elements (thanks to @chunmeng in #56),
  • restore interface state on exit (#46);
• Build:
  • allow configure --without-libcap (used by OpenWrt, #54).

Miscellaneous

• more fixes for reproducible builds - time/date display is gone (#48, #59);
• various code updates (new nl80211.h) and clean-ups.

Info screen / scan screen improvements

Fixes

• Info Screen:
  • do not warn about missing data if driver returns 0 signal value (#44),
  • present retry/drop rate also as percentage (#38),
  • remove outdated WEP encryption key information (#8);
• Scan Screen:
  • revise and improve access to thread data (#42).

Miscellaneous

• build process now sorts input files for reproducible builds
• miscellaneous fixes, such as typos, email information
• code clean-up

0.8.1: bug fixes for ARM

This is mostly a bug-fix release. Thanks to @bmegli, @joerg-krause , and @rofl0r the builds on ARM are now confirmed to work.

Fixes:

• fix for musl build thanks to @joerg-krause
• resolved #19, #22, #23, #28
• info screen: replace interval timer with pthread
• fixed an illegal free (found on ARM), which seems to also have caused a memory leak on ARM.

0.8.0: Replace WEXT with nl80211

The most important changes are:

• majority of WEXT functions now replaced by nl80211
• scan screen has more information (channel utilisation)
  and sorting mode (MAC addresses)
• info screen contains more output, tested new support
  for displaying noise floor data (based on nl80211)
• random signal generator option was dropped