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#!/bin/sh
# $FreeBSD$
#
# rc.conf for picobsd. This is sourced from /etc/rc1, and is supposed to
# contain only shell functions that are used later in /etc/rc1.
# set default values for variables. Boolean values should be either
# NO or YES -- other values are not guaranteed to work.
rc_conf_set_defaults() {
hostname="" # Should not need to set it
syslogd_enable="NO"
pccard_enable="NO"
swapfile="" # name of swapfile if aux swapfile desired.
# Network interface configurations: ifconfig_${interface}[_aliasNN]
ifconfig_lo0="inet 127.0.0.1" # default loopback device configuration.
#ifconfig_lo0_alias0="inet 127.0.0.254 netmask 0xffffffff" # Sample alias entry.
### Network daemons options: they are only run if present.
sshd_enable="YES" # if present...
inetd_enable="YES" # Run the network daemon dispatcher (or NO)
inetd_flags="" # Optional flags to inetd
snmpd_enable="NO" # Run the SNMP daemon (or NO)
snmpd_flags="-C -c /etc/snmpd.conf" # Optional flags to snmpd
### Network routing options: ###
defaultrouter="NO" # Set to default gateway (or NO).
static_routes="" # Set to static route list (or leave empty).
gateway_enable="NO" # Set to YES if this host will be a gateway.
arpproxy_all="" # replaces obsolete kernel option ARP_PROXYALL.
default_mask="0xffffff00"
### Other network features
firewall_enable="NO"
firewall_quiet="NO" # be quiet if set.
firewall_type="" # Standard types or absolute pathname.
tcp_extensions="NO" # Allow RFC1323 & RFC1644 extensions (or NO).
### Overrides for some files in /etc. Leave empty if no override,
### set variable (remember to use multiple lines) to override content.
host_conf="hosts
bind"
resolv_conf=""
}
# Try to identify the system by using the MAC address and name of the
# first ethernet interface, made available as $main_eth $main_if
find_system_id() {
main_ether=""
for main_if in `ifconfig -l` ; do
set `ifconfig $main_if`
while [ "$1" != "" ] ; do
if [ $1 = "ether" ] ; then
main_ether=$2
break 2
else
shift
fi
done
done
}
# the following lets the user specify a name and ip for his system
read_address() {
echo "Please enter a hostname and IP address for your system $main_ether"
read hostname the_ip
if [ "${hostname}" != "" ] ; then
echo "# $main_ether $hostname" >> /etc/hosts
echo "$the_ip $hostname" >> /etc/hosts
else
hostname=default
fi
}
# set "ether" using $1 (interface name) as search key
get_ether() {
local key
key=$1
ether=""
set `ifconfig ${key}`
while [ "$1" != "" ] ; do
if [ "$1" = "ether" ] ; then
ether=$2
break
else
shift
fi
done
}
# read content from /etc/hosts into a couple of arrays
# (needed later in fetch_hostname)
read_hosts() {
local i a b c key junk
i=""
while read a b c junk ; do
if [ "$a" = "#ethertable" ] ; then
i=0
elif [ "$i" != "" -a "$a" = "#" -a "$b" != "" ] ; then
eval eth_${i}=$b
eval eth_host_${i}=$c
i=$(($i+1))
fi
done < /etc/hosts
}
# set ${hostname} using $1 (MAC address) as search key in /etc/hosts
# Returns empty value if $1 is empty
fetch_hostname() {
local i b key
hostname=""
[ "$1" = "" ] && return
key=$1
i=0
b="x"
[ "${eth_0}" = "" ] && read_hosts # fill cache.
while [ "$b" != "" -a "${hostname}" = "" ] ; do
eval b=\${eth_${i}}
case X${key} in
X${b} ) # so we can use wildcards
eval hostname=\${eth_host_${i}}
break
;;
esac
i=$(($i+1))
done
echo "fetch_hostname for <${key}> returns <${hostname}>"
}
# sets "mask" using $1 (netmask name) as the search key in /etc/networks
fetch_mask() {
local a b key junk
key=$1 # search key, typically hostname-netmask
mask=""
while read a b junk; do # key mask otherstuff
case X${key} in
X${a} ) # The X is so we can use wildcards in ${a}
mask=$b
break
;;
esac
done < /etc/networks
if [ "${mask}" = "" ] ; then
mask=${default_mask}
fi
echo "fetch_mask for <${key}> returns <${mask}>"
}
# set hostname, and ifconfig_${main_if} (whose MAC is ${main_ether})
# if not found, read from console
set_main_interface() {
if [ -z "${hostname}" ] ; then
if [ -z "${main_ether}" ] ; then
echo "No ethernets found, using localhost"
hostname=localhost
return
fi
fetch_hostname ${main_ether}
fi
[ -z "${hostname}" -o "${hostname}" = "." ] && read_address
fetch_mask ${hostname}-netmask
eval ifconfig_${main_if}=\" \${hostname} netmask \${mask}\"
network_interfaces=`ifconfig -l`
}
# set ifconfig_${interface} for all other interfaces
set_all_interfaces() {
local i ether hostname mask
for i in `ifconfig -l` ; do
if [ "$i" != "${main_if}" ] ; then
get_ether $i
fetch_hostname ${ether}
fetch_mask ${hostname}-netmask
[ -n "${ether}" -a -n "${hostname}" ] && \
eval ifconfig_${i}=\" \${hostname} netmask \${mask}\"
fi
done
}
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