2731e7d254
of selected files (at the moment /etc/host.conf and /etc/resolv.conf) from /etc/rc.conf , so the number of places to customize is reduced.
185 lines
5.0 KiB
Bash
185 lines
5.0 KiB
Bash
#!/bin/sh
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# $FreeBSD$
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#
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# rc.conf for picobsd. This is sourced from /etc/rc1, and is supposed to
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# contain only shell functions that are used later in /etc/rc1.
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# set default values for variables. Boolean values should be either
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# NO or YES -- other values are not guaranteed to work.
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rc_conf_set_defaults() {
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hostname="" # Should not need to set it
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syslogd_enable="NO"
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pccard_enable="NO"
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swapfile="" # name of swapfile if aux swapfile desired.
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# Network interface configurations: ifconfig_${interface}[_aliasNN]
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ifconfig_lo0="inet 127.0.0.1" # default loopback device configuration.
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#ifconfig_lo0_alias0="inet 127.0.0.254 netmask 0xffffffff" # Sample alias entry.
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### Network daemons options: they are only run if present.
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sshd_enable="YES" # if present...
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inetd_enable="YES" # Run the network daemon dispatcher (or NO)
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inetd_flags="" # Optional flags to inetd
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snmpd_enable="NO" # Run the SNMP daemon (or NO)
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snmpd_flags="-C -c /etc/snmpd.conf" # Optional flags to snmpd
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### Network routing options: ###
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defaultrouter="NO" # Set to default gateway (or NO).
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static_routes="" # Set to static route list (or leave empty).
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gateway_enable="NO" # Set to YES if this host will be a gateway.
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arpproxy_all="" # replaces obsolete kernel option ARP_PROXYALL.
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default_mask="0xffffff00"
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### Other network features
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firewall_enable="NO"
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firewall_quiet="NO" # be quiet if set.
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firewall_type="" # Standard types or absolute pathname.
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tcp_extensions="NO" # Allow RFC1323 & RFC1644 extensions (or NO).
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### Overrides for some files in /etc. Leave empty if no override,
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### set variable (remember to use multiple lines) to override content.
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host_conf="hosts
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bind"
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resolv_conf=""
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}
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# Try to identify the system by using the MAC address and name of the
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# first ethernet interface, made available as $main_eth $main_if
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find_system_id() {
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main_ether=""
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for main_if in `ifconfig -l` ; do
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set `ifconfig $main_if`
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while [ "$1" != "" ] ; do
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if [ $1 = "ether" ] ; then
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main_ether=$2
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break 2
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else
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shift
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fi
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done
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done
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}
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# the following lets the user specify a name and ip for his system
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read_address() {
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echo "Please enter a hostname and IP address for your system $main_ether"
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read hostname the_ip
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if [ "${hostname}" != "" ] ; then
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echo "# $main_ether $hostname" >> /etc/hosts
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echo "$the_ip $hostname" >> /etc/hosts
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else
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hostname=default
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fi
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}
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# set "ether" using $1 (interface name) as search key
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get_ether() {
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local key
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key=$1
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ether=""
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set `ifconfig ${key}`
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while [ "$1" != "" ] ; do
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if [ "$1" = "ether" ] ; then
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ether=$2
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break
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else
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shift
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fi
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done
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}
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# read content from /etc/hosts into a couple of arrays
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# (needed later in fetch_hostname)
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read_hosts() {
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local i a b c key junk
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i=""
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while read a b c junk ; do
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if [ "$a" = "#ethertable" ] ; then
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i=0
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elif [ "$i" != "" -a "$a" = "#" -a "$b" != "" ] ; then
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eval eth_${i}=$b
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eval eth_host_${i}=$c
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i=$(($i+1))
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fi
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done < /etc/hosts
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}
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# set ${hostname} using $1 (MAC address) as search key in /etc/hosts
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# Returns empty value if $1 is empty
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fetch_hostname() {
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local i b key
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hostname=""
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[ "$1" = "" ] && return
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key=$1
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i=0
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b="x"
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[ "${eth_0}" = "" ] && read_hosts # fill cache.
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while [ "$b" != "" -a "${hostname}" = "" ] ; do
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eval b=\${eth_${i}}
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case X${key} in
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X${b} ) # so we can use wildcards
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eval hostname=\${eth_host_${i}}
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break
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;;
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esac
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i=$(($i+1))
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done
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echo "fetch_hostname for <${key}> returns <${hostname}>"
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}
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# sets "mask" using $1 (netmask name) as the search key in /etc/networks
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fetch_mask() {
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local a b key junk
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key=$1 # search key, typically hostname-netmask
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mask=""
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while read a b junk; do # key mask otherstuff
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case X${key} in
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X${a} ) # The X is so we can use wildcards in ${a}
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mask=$b
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break
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;;
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esac
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done < /etc/networks
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if [ "${mask}" = "" ] ; then
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mask=${default_mask}
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fi
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echo "fetch_mask for <${key}> returns <${mask}>"
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}
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# set hostname, and ifconfig_${main_if} (whose MAC is ${main_ether})
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# if not found, read from console
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set_main_interface() {
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if [ -z "${hostname}" ] ; then
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if [ -z "${main_ether}" ] ; then
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echo "No ethernets found, using localhost"
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hostname=localhost
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return
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fi
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fetch_hostname ${main_ether}
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fi
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[ -z "${hostname}" -o "${hostname}" = "." ] && read_address
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fetch_mask ${hostname}-netmask
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eval ifconfig_${main_if}=\" \${hostname} netmask \${mask}\"
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network_interfaces=`ifconfig -l`
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}
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# set ifconfig_${interface} for all other interfaces
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set_all_interfaces() {
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local i ether hostname mask
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for i in `ifconfig -l` ; do
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if [ "$i" != "${main_if}" ] ; then
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get_ether $i
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fetch_hostname ${ether}
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fetch_mask ${hostname}-netmask
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[ -n "${ether}" -a -n "${hostname}" ] && \
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eval ifconfig_${i}=\" \${hostname} netmask \${mask}\"
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fi
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done
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}
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