diff options
Diffstat (limited to 'tools/examples/network-nat')
-rw-r--r-- | tools/examples/network-nat | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/tools/examples/network-nat b/tools/examples/network-nat deleted file mode 100644 index d9c62c6160..0000000000 --- a/tools/examples/network-nat +++ /dev/null @@ -1,119 +0,0 @@ -#!/bin/bash -x -#============================================================================ -# Default Xen network start/stop script when using NAT. -# Xend calls a network script when it starts. -# The script name to use is defined in /etc/xen/xend-config.sxp -# in the network-script field. -# -# Usage: -# -# network-nat (start|stop|status) {VAR=VAL}* -# -# Vars: -# -# netdev The gateway interface (default eth0). -# antispoof Whether to use iptables to prevent spoofing (default no). -# dhcp Whether to alter the local DHCP configuration (default no). -# -#============================================================================ - -dir=$(dirname "$0") -. "$dir/xen-script-common.sh" -. "$dir/xen-network-common.sh" - -findCommand "$@" -evalVariables "$@" - -netdev=${netdev:-eth0} -# antispoofing not yet implemented -antispoof=${antispoof:-no} - -# turn on dhcp feature by default if dhcpd is installed -if [ -f /etc/dhcpd.conf ] -then - dhcp=${dhcp:-yes} -else - dhcp=${dhcp:-no} -fi - - -if [ "$dhcp" != 'no' ] -then - dhcpd_conf_file=$(find_dhcpd_conf_file) - dhcpd_init_file=$(find_dhcpd_init_file) - if [ -z "$dhcpd_conf_file" ] || [ -z "$dhcpd_init_file" ] - then - echo 'Failed to find dhcpd configuration or init file.' >&2 - exit 1 - fi -fi - - -function dhcp_start() -{ - if ! grep -q "subnet 10.0.0.0" "$dhcpd_conf_file" - then - echo >>"$dhcpd_conf_file" "subnet 10.0.0.0 netmask 255.255.0.0 {}" - fi - - "$dhcpd_init_file" restart -} - - -function dhcp_stop() -{ - local tmpfile=$(mktemp) - grep -v "subnet 10.0.0.0" "$dhcpd_conf_file" >"$tmpfile" - if diff "$tmpfile" "$dhcpd_conf_file" >&/dev/null - then - rm "$tmpfile" - else - mv "$tmpfile" "$dhcpd_conf_file" - fi - - "$dhcpd_init_file" restart -} - - -op_start() { - echo 1 >/proc/sys/net/ipv4/ip_forward - iptables -t nat -A POSTROUTING -o ${netdev} -j MASQUERADE - [ "$dhcp" != 'no' ] && dhcp_start -} - - -op_stop() { - [ "$dhcp" != 'no' ] && dhcp_stop - iptables -t nat -D POSTROUTING -o ${netdev} -j MASQUERADE -} - - -show_status() { - echo '============================================================' - ifconfig - echo ' ' - ip route list - echo ' ' - route -n - echo '============================================================' - -} - -case "$command" in - start) - op_start - ;; - - stop) - op_stop - ;; - - status) - show_status - ;; - - *) - echo "Unknown command: $command" >&2 - echo 'Valid commands are: start, stop, status' >&2 - exit 1 -esac |