--- /dev/null
+#!/bin/bash
+
+. /etc/sysconfig/rc
+. ${rc_functions}
+
+get() {
+ local file="${1}"
+
+ wget -qO - "http://169.254.169.254/latest/meta-data/${file}"
+}
+
+to_address() {
+ local n="${1}"
+
+ local o1=$(( (n & 0xff000000) >> 24 ))
+ local o2=$(( (n & 0xff0000) >> 16 ))
+ local o3=$(( (n & 0xff00) >> 8 ))
+ local o4=$(( (n & 0xff) ))
+
+ printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}"
+}
+
+to_integer() {
+ local address="${1}"
+
+ local integer=0
+
+ local i
+ for i in ${address//\./ }; do
+ integer=$(( (integer << 8) + i ))
+ done
+
+ printf "%d\n" "${integer}"
+}
+
+prefix2netmask() {
+ local prefix=${1}
+
+ local zeros=$(( 32 - prefix ))
+ local netmask=0
+
+ local i
+ for (( i=0; i<${zeros}; i++ )); do
+ netmask=$(( (netmask << 1) ^ 1 ))
+ done
+
+ to_address "$(( netmask ^ 0xffffffff ))"
+}
+
+import_aws_configuration() {
+ local instance_id="$(get instance-id)"
+
+ boot_mesg "Importing AWS configuration for instance ${instance_id}..."
+
+ # Initialise system settings
+ if [ ! -s "/var/ipfire/main/settings" ]; then
+ local hostname=$(get local-hostname)
+
+ (
+ echo "HOSTNAME=${hostname%%.*}"
+ echo "DOMAINNAME=${hostname#*.}"
+ ) > /var/ipfire/main/settings
+ fi
+
+ # Import any DNS server settings
+ eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null))
+
+ # Import network configuration
+ (
+ # RED + GREEN
+ echo "CONFIG_TYPE=1"
+ ) > /var/ipfire/ethernet/settings
+
+ for mac in $(get network/interfaces/macs/); do
+ # Remove trailing slash
+ mac="${mac//\//}"
+
+ local device_number="$(get "network/interfaces/macs/${mac}/device-number")"
+ local interface_id="$(get "network/interfaces/macs/${mac}/interface-id")"
+
+ # First IPv4 address
+ local ipv4_address="$(get "network/interfaces/macs/${mac}/local-ipv4s" | head -n1)"
+ local ipv4_address_num="$(to_integer "${ipv4_address}")"
+
+ # Get subnet size
+ local subnet="$(get "network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")"
+
+ local prefix="${subnet#*/}"
+ local netmask="$(prefix2netmask "${prefix}")"
+ local netmask_num="$(to_integer "${netmask}")"
+
+ # Calculate the network and broadcast addresses
+ local netaddress="${subnet%/*}"
+ local netaddress_num="$(to_integer "${netaddress}")"
+ local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))"
+
+ # The gateway is always the first IP address in the subnet
+ local gateway="$(to_address $(( netaddress_num + 1 )))"
+
+ # The AWS internal DNS service is available on the fourth IP address of each subnet
+ local dns1="$(to_address $(( netaddress_num + 4 )))"
+ local dns2=
+
+ case "${device_number}" in
+ # RED
+ 0)
+ (
+ echo "RED_TYPE=STATIC"
+ echo "RED_DEV=red0"
+ echo "RED_MACADDR=${mac}"
+ echo "RED_DESCRIPTION='${interface_id}'"
+ echo "RED_ADDRESS=${ipv4_address}"
+ echo "RED_NETMASK=${netmask}"
+ echo "RED_NETADDRESS=${netaddress}"
+ echo "RED_BROADCAST=${broadcast}"
+ echo "DEFAULT_GATEWAY=${gateway}"
+ echo "DNS1=${DNS1:-${dns1}}"
+ echo "DNS2=${DNS2:-${dns2}}"
+ ) >> /var/ipfire/ethernet/settings
+
+ # Import aliases for RED
+ for alias in $(get "network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do
+ echo "${alias},on,"
+ done > /var/ipfire/ethernet/aliases
+ ;;
+
+ # GREEN
+ 1)
+ (
+ echo "GREEN_DEV=green0"
+ echo "GREEN_MACADDR=${mac}"
+ echo "GREEN_DESCRIPTION='${interface_id}'"
+ echo "GREEN_ADDRESS=${ipv4_address}"
+ echo "GREEN_NETMASK=${netmask}"
+ echo "GREEN_NETADDRESS=${netaddress}"
+ echo "GREEN_BROADCAST=${broadcast}"
+ ) >> /var/ipfire/ethernet/settings
+ ;;
+ esac
+ done
+
+ # DEBUG
+ cat /var/ipfire/ethernet/settings
+
+ # Import SSH keys
+ local line
+ for line in $(get "public-keys/"); do
+ local key_no="${line%=*}"
+
+ local key="$(get public-keys/${key_no}/openssh-key)"
+ if [ -n "${key}" ] && ! grep -q "^${key}$" /root/.ssh/authorized_keys 2>/dev/null; then
+ mkdir -p /root/.ssh
+ chmod 700 /root/.ssh
+
+ echo "${key}" >> /root/.ssh/authorized_keys
+ chmod 600 /root/.ssh/authorized_keys
+ fi
+ done
+
+ # Enable SSH
+ touch /var/ipfire/remote/enablessh
+ chown nobody:nobody /var/ipfire/remote/enablessh
+
+ # Enable SSH key authentication
+ sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
+
+ # Actions performed only on the very first start
+ if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
+ # Firewall rules for SSH and WEBIF
+ (
+ echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
+ echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
+ ) >> /var/ipfire/firewall/input
+
+ # This script has now completed the first steps of setup
+ touch /var/ipfire/main/firstsetup_ok
+ fi
+
+ # All done
+ echo_ok
+}
+
+case "${reason}" in
+ PREINIT)
+ # Bring up the interface
+ ip link set "${interface}" up
+ ;;
+
+ BOUND|RENEW|REBIND|REBOOT)
+ # Remove any previous IP addresses
+ ip addr flush dev "${interface}"
+
+ # Add (or re-add) the new IP address
+ ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
+
+ # Add the default route
+ ip route add default via "${new_routers}"
+
+ # Import AWS configuration
+ import_aws_configuration
+ ;;
+
+ EXPIRE|FAIL|RELEASE|STOP)
+ # Remove all IP addresses
+ ip addr flush dev "${interface}"
+ ;;
+
+ *)
+ echo "Unhandled reason: ${reason}" >&2
+ exit 2
+ ;;
+esac
+
+# Terminate
+exit 0
. /etc/sysconfig/rc
. ${rc_functions}
-MD_URL="http://169.254.169.254/latest/meta-data"
-
# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/identify_ec2_instances.html
running_on_ec2() {
local uuid
case "${1}" in
start)
# Do nothing if we are not running on AWS EC2
- running_on_ec2 || exit 0
-
- boot_mesg "Setting up system to run on AWS EC2..."
+ #running_on_ec2 || exit 0
# Find the first interface to use
for i in /sys/class/net/*; do
boot_mesg "" ${NORMAL}
fi
- # Assign ourselves an IP address to communicate with the meta-data service
- ip addr add 169.254.169.1/24 dev "${intf}"
- ip link set "${intf}" up
-
- # Initialise system settings
- if [ ! -s "/var/ipfire/main/settings" ]; then
- hostname=$(curl ${MD_URL}/local-hostname)
-
- (
- echo "HOSTNAME=${hostname%%.*}"
- echo "DOMAINNAME=${hostname#*.}"
- echo "THEME=ipfire"
- echo "LANGUAGE=en"
- echo "KEYMAP=/lib/kbd/keymaps/i386/qwerty/us.map.gz"
- echo "TIMEZONE=/usr/share/zoneinfo/posix/UTC"
- ) > /var/ipfire/main/settings
- fi
+ # Run a DHCP client and set up the system accordingly
+ dhclient -sf /etc/rc.d/helper/aws-setup "${intf}"
- # Remove any IP addresses
- ip addr flush dev "${intf}"
- echo_ok
+ # End DHCP client immediately
+ dhclient -sf /etc/rc.d/helper/aws-setup -r "${intf}"
- # This script has now completed the first steps of setup
- touch /var/ipfire/main/firstsetup_ok
+ # Trigger udev again to rename interfaces
+ udevadm trigger && udevadm settle
;;
status)
projects / people / pmueller / ipfire-2.x.git / commitdiff
