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Hostapd's control file location was changed in 2013, and that has apparently broken the wps button hotplug script in cases where there are multiple radios and wps is possibly configured also for the second radio. The current wps button hotplug script always handles only the first radio. https://dev.openwrt.org/browser/trunk/package/network/services/hostapd/files/wps-hotplug.sh The reason is that the button hotplug script seeks directories like /var/run/hostapd*, as the hostapd-phy0.conf files were earlier in per-interface subdirectories. Currently the *.conf files are directly in /var/run and the control sockets are in /var/run/hostapd, but there is no subdirectory for each radio. root@OpenWrt:/# ls /var/run/hostapd* /var/run/hostapd-phy0.conf /var/run/hostapd-phy1.conf /var/run/hostapd: wlan0 wlan1 The hotplug script was attempted to be fixed after the hostapd change by r38986 in Dec2013, but that change only unbroke the script for the first radio, but left it broken for multiple radios. https://dev.openwrt.org/changeset/38986/ The script fails to find subdirectories with [ -d "$dir" ], and passes just the only found directory /var/run/hostapd, leading into activating only the first radio, as hostapd_cli defaults to first socket found inthe passed directory: root@OpenWrt:/# hostapd_cli -? ... usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] [-a<path>] \ [-G<ping interval>] [command..] ... -p<path> path to find control sockets (default: /var/run/hostapd) ... -i<ifname> Interface to listen on (default: first interface found in the socket path) Below is a run with the default script and with my proposed solution. Default script (with logging added): ================================== root@OpenWrt:/# cat /etc/rc.button/wps #!/bin/sh if [ "$ACTION" = "pressed" -a "$BUTTON" = "wps" ]; then for dir in /var/run/hostapd*; do [ -d "$dir" ] || continue logger "WPS activated for: $dir" hostapd_cli -p "$dir" wps_pbc done fi >>>> WPS BUTTON PRESSED <<<<< root@OpenWrt:/# hostapd_cli -p /var/run/hostapd -i wlan0 wps_get_status PBC Status: Active Last WPS result: None root@OpenWrt:/# hostapd_cli -p /var/run/hostapd -i wlan1 wps_get_status PBC Status: Timed-out Last WPS result: None root@OpenWrt:/# logread | grep WPS Tue Apr 14 18:38:50 2015 user.notice root: WPS activated for: /var/run/hostapd wlan0 got WPS activated, while wlan1 remained inactive. I have modified the script to search for sockets instead of directories and to use the "-i" option with hostapd_cli, and now the script properly activates wps for both radios. As "-i" needs the interface name instead of the full path, the script first changes dir to /var/run/hostapd to get simply the interface names. Modified script (with logging): =============================== root@OpenWrt:/# cat /etc/rc.button/wps #!/bin/sh if [ "$ACTION" = "pressed" -a "$BUTTON" = "wps" ]; then cd /var/run/hostapd for dir in *; do [ -S "$socket" ] || continue logger "WPS activated for: $socket" hostapd_cli -i "$socket" wps_pbc done fi >>>> WPS BUTTON PRESSED <<<<< root@OpenWrt:/# hostapd_cli -p /var/run/hostapd -i wlan0 wps_get_status PBC Status: Active Last WPS result: None root@OpenWrt:/# hostapd_cli -p /var/run/hostapd -i wlan1 wps_get_status PBC Status: Active Last WPS result: None root@OpenWrt:/# logread | grep WPS Tue Apr 14 18:53:06 2015 user.notice root: WPS activated for: wlan0 Tue Apr 14 18:53:06 2015 user.notice root: WPS activated for: wlan1 Both radios got their WPS activated properly. I am not sure if my solution is optimal, but it seems to work. WPS button is maybe not that often used functionality, but it might be fixed in any case. Routers with multiple radios are common now, so the bug is maybe more prominent than earlier. The modified script has been in a slightly different format in my community build since r42420 in September 2014. Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45492 3c298f89-4303-0410-b956-a3cf2f4a3e73 |
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README
This is the buildsystem for the OpenWrt Linux distribution. Please use "make menuconfig" to configure your appreciated configuration for the toolchain and firmware. You need to have installed gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers. Run "./scripts/feeds update -a" to get all the latest package definitions defined in feeds.conf / feeds.conf.default respectively and "./scripts/feeds install -a" to install symlinks of all of them into package/feeds/. Use "make menuconfig" to configure your image. Simply running "make" will build your firmware. It will download all sources, build the cross-compile toolchain, the kernel and all choosen applications. You can use "scripts/flashing/flash.sh" for remotely updating your embedded system via tftp. The OpenWrt system is documented in docs/. You will need a LaTeX distribution and the tex4ht package to build the documentation. Type "make -C docs/" to build it. To build your own firmware you need to have access to a Linux, BSD or MacOSX system (case-sensitive filesystem required). Cygwin will not be supported because of the lack of case sensitiveness in the file system. Sunshine! Your OpenWrt Project http://openwrt.org