From 7fbf99aa6b7406e0820ec6c7d9a561e6d99e4ffd Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Thu, 29 Jul 2010 18:35:26 -0700 Subject: [PATCH] P2P: Add an example p2p-action script for udhcpc/udhcpd --- wpa_supplicant/examples/p2p-action-udhcp.sh | 69 +++++++++++ wpa_supplicant/examples/udhcpd-p2p.conf | 120 ++++++++++++++++++++ 2 files changed, 189 insertions(+) create mode 100755 wpa_supplicant/examples/p2p-action-udhcp.sh create mode 100644 wpa_supplicant/examples/udhcpd-p2p.conf diff --git a/wpa_supplicant/examples/p2p-action-udhcp.sh b/wpa_supplicant/examples/p2p-action-udhcp.sh new file mode 100755 index 000000000..d7d0e79b7 --- /dev/null +++ b/wpa_supplicant/examples/p2p-action-udhcp.sh @@ -0,0 +1,69 @@ +#!/bin/sh + +IFNAME=$1 +CMD=$2 + +kill_daemon() { + NAME=$1 + PF=$2 + + if [ ! -r $PF ]; then + return + fi + + PID=`cat $PF` + if [ $PID -gt 0 ]; then + if ps $PID | grep -q $NAME; then + kill $PID + fi + fi + rm $PF +} + +if [ "$CMD" = "P2P-GROUP-STARTED" ]; then + GIFNAME=$3 + if [ "$4" = "GO" ]; then + kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid + ifconfig $GIFNAME 192.168.42.1 up + udhcpd /etc/udhcpd-p2p.conf + fi + if [ "$4" = "client" ]; then + kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid + kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid + udhcpc -i $GIFNAME -p /var/run/udhcpc-$GIFNAME.pid \ + -s /etc/udhcpc.script + fi +fi + +if [ "$CMD" = "P2P-GROUP-REMOVED" ]; then + GIFNAME=$3 + if [ "$4" = "GO" ]; then + kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid + ifconfig $GIFNAME 0.0.0.0 + fi + if [ "$4" = "client" ]; then + kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid + ifconfig $GIFNAME 0.0.0.0 + fi +fi + +if [ "$CMD" = "P2P-CROSS-CONNECT-ENABLE" ]; then + GIFNAME=$3 + UPLINK=$4 + # enable NAT/masquarade $GIFNAME -> $UPLINK + iptables -P FORWARD DROP + iptables -t nat -A POSTROUTING -o $UPLINK -j MASQUERADE + iptables -A FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT + iptables -A FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT + sysctl net.ipv4.ip_forward=1 +fi + +if [ "$CMD" = "P2P-CROSS-CONNECT-DISABLE" ]; then + GIFNAME=$3 + UPLINK=$4 + # disable NAT/masquarade $GIFNAME -> $UPLINK + sysctl net.ipv4.ip_forward=0 + iptables -t nat -D POSTROUTING -o $UPLINK -j MASQUERADE + iptables -D FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT + iptables -D FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT +fi diff --git a/wpa_supplicant/examples/udhcpd-p2p.conf b/wpa_supplicant/examples/udhcpd-p2p.conf new file mode 100644 index 000000000..b94f94f9e --- /dev/null +++ b/wpa_supplicant/examples/udhcpd-p2p.conf @@ -0,0 +1,120 @@ +# Sample udhcpd configuration file (/etc/udhcpd.conf) + +# The start and end of the IP lease block + +start 192.168.42.20 #default: 192.168.0.20 +end 192.168.42.254 #default: 192.168.0.254 + + +# The interface that udhcpd will use + +interface wlan2 #default: eth0 + + +# The maximim number of leases (includes addressesd reserved +# by OFFER's, DECLINE's, and ARP conficts + +#max_leases 254 #default: 254 + + +# If remaining is true (default), udhcpd will store the time +# remaining for each lease in the udhcpd leases file. This is +# for embedded systems that cannot keep time between reboots. +# If you set remaining to no, the absolute time that the lease +# expires at will be stored in the dhcpd.leases file. + +#remaining yes #default: yes + + +# The time period at which udhcpd will write out a dhcpd.leases +# file. If this is 0, udhcpd will never automatically write a +# lease file. (specified in seconds) + +#auto_time 7200 #default: 7200 (2 hours) + + +# The amount of time that an IP will be reserved (leased) for if a +# DHCP decline message is received (seconds). + +#decline_time 3600 #default: 3600 (1 hour) + + +# The amount of time that an IP will be reserved (leased) for if an +# ARP conflct occurs. (seconds + +#conflict_time 3600 #default: 3600 (1 hour) + + +# How long an offered address is reserved (leased) in seconds + +#offer_time 60 #default: 60 (1 minute) + +# If a lease to be given is below this value, the full lease time is +# instead used (seconds). + +#min_lease 60 #defult: 60 + + +# The location of the leases file + +#lease_file /var/lib/misc/udhcpd.leases #defualt: /var/lib/misc/udhcpd.leases + +# The location of the pid file +pidfile /var/run/udhcpd-wlan2.pid #default: /var/run/udhcpd.pid + +# Everytime udhcpd writes a leases file, the below script will be called. +# Useful for writing the lease file to flash every few hours. + +#notify_file #default: (no script) + +#notify_file dumpleases # <--- usefull for debugging + +# The following are bootp specific options, setable by udhcpd. + +#siaddr 192.168.0.22 #default: 0.0.0.0 + +#sname zorak #default: (none) + +#boot_file /var/nfs_root #default: (none) + +# The remainer of options are DHCP options and can be specifed with the +# keyword 'opt' or 'option'. If an option can take multiple items, such +# as the dns option, they can be listed on the same line, or multiple +# lines. The only option with a default is 'lease'. + +#Examles +opt dns 192.168.2.1 +option subnet 255.255.255.0 +option domain atherosowl.com +option lease 864000 # 10 days of seconds + + +# Currently supported options, for more info, see options.c +#opt subnet +#opt timezone +#opt router +#opt timesvr +#opt namesvr +#opt dns +#opt logsvr +#opt cookiesvr +#opt lprsvr +#opt bootsize +#opt domain +#opt swapsvr +#opt rootpath +#opt ipttl +#opt mtu +#opt broadcast +#opt wins +#opt lease +#opt ntpsrv +#opt tftp +#opt bootfile + + +# Static leases map +#static_lease 00:60:08:11:CE:4E 192.168.0.54 +#static_lease 00:60:08:11:CE:3E 192.168.0.44 + +