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[IMP] point_of_sale: move POSBox AP to a less used subnet 

When the POSBox boots without a network cable attached it will
automatically launch a wireless AP that people can connect to. This
allows them to configure what wireless network the POSBox should connect
to.

This wireless AP was configured to use the 10.10.0.0/24 subnet. The AP
itself was on 10.10.0.1. Although this is fine if used as intended it is
a quick way to take down an existing network if you where to plug in an
ethernet cable after the wireless AP has started. 10.10.0.1 is commonly
used by routers all over the world and plugging in a booted POSBox into
their networks will cause serious issues because the POSBox will share
the same IP as the router.

This moves the POSBox AP to the 10.11.12.0/24 subnet, with the AP on
10.11.12.1.

This also makes the DHCP server listen only on wlan0 because otherwise
you can end up with two DHCP servers on the same network which would
still break stuff.
This commit is contained in:
Joren Van Onder 2016-04-13 14:52:04 +02:00
parent fd43faac16
commit f5a527fb0a
3 changed files with 25 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
addons/point_of_sale/tools/posbox/configuration/wireless_ap.sh
View File

@ -28,7 +28,7 @@ if [ -z "${WIRED_IP}" ] ; then
service hostapd restart
ip addr add 10.10.0.1/24 dev wlan0
ip addr add 10.11.12.1/24 dev wlan0
service isc-dhcp-server restart

21
addons/point_of_sale/tools/posbox/overwrite_after_init/etc/default/isc-dhcp-server Normal file
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@ -0,0 +1,21 @@
# Defaults for isc-dhcp-server initscript
# sourced by /etc/init.d/isc-dhcp-server
# installed at /etc/default/isc-dhcp-server by the maintainer scripts
#
# This is a POSIX shell fragment
#
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
#DHCPD_CONF=/etc/dhcp/dhcpd.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
#DHCPD_PID=/var/run/dhcpd.pid
# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
#OPTIONS=""
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="wlan0"

6
addons/point_of_sale/tools/posbox/overwrite_after_init/etc/dhcp/dhcpd.conf
View File

@ -37,10 +37,10 @@ ddns-update-style none;
# option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
#}
subnet 10.10.0.0 netmask 255.255.255.0 {
range 10.10.0.2 10.10.0.254;
subnet 10.11.12.0 netmask 255.255.255.0 {
range 10.11.12.2 10.11.12.254;
option domain-name-servers 8.8.8.8, 208.67.222.222;
option routers 10.10.0.1;
option routers 10.11.12.1;
}
# This declaration allows BOOTP clients to get dynamic addresses,