diff options
Diffstat (limited to 'packages/openslug-init/openslug-init-0.10/sysconfsetup')
| -rw-r--r-- | packages/openslug-init/openslug-init-0.10/sysconfsetup | 198 |
1 files changed, 139 insertions, 59 deletions
diff --git a/packages/openslug-init/openslug-init-0.10/sysconfsetup b/packages/openslug-init/openslug-init-0.10/sysconfsetup index 83b8d34648..4ed4e10162 100644 --- a/packages/openslug-init/openslug-init-0.10/sysconfsetup +++ b/packages/openslug-init/openslug-init-0.10/sysconfsetup @@ -1,63 +1,143 @@ #!/bin/sh -if [ ! -e /etc/linksysconf ] +# This script is run once when the system first boots. Its sole +# purpose is to create /etc/default/sysconf (the overall system +# configuration file) and other files derived from this. +# +# The script runs immediately after S10checkroot.sh - this is the +# point at which the rootfs will be mounted rw even if the kernel +# booted with it ro. +# +# rm or mv the file to run this again. If this is done the +# following configuration files will be rewritten: +# +# /etc/default/sysconf +# /etc/hostname +# /etc/defaultdomain +# /etc/network/interfaces +# /etc/resolv.conf +# +test -r /etc/default/sysconf && exit 0 +# +# /etc/default/functions contains useful utility functions - it's +# in a separate file so that it can be loaded by any script +. /etc/default/functions +# +# Utility to deal with absence of DNS configuration +echodns(){ + local dns + if test $# -gt 0 + then + for dns in "$@" + do + echo "nameserver $dns" + done + fi +} +# +# The SysConf device must exist in /dev at this point for this script +# to work. +# +# It is important not to hard-wire the name of the device because of +# the posibility of changing the flash partition layout. +sysdev="$(mtdev SysConf)" +if test -n "$sysdev" -a -c "$sysdev" then - -# Ok this may be a little hack for now -# but Make sure the kernel module info is updated -# So the driver can actually load the first time - /usr/sbin/update-modules - -# Set the default root password so ppl can ssh in - sed -i -e 's/root::/root:uf8TRGX9WDuH2:/' /etc/passwd - - dd if=/dev/mtdblock1 of=/etc/linksysconf - cat <<EOF > /etc/original-network-settings -# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8) - -# The loopback interface -auto lo -iface lo inet loopback - -auto eth0 -iface eth0 inet static -EOF - - # Use the bootproto key to set "static" or "dhcp", then do other stuff based on that. - # strings /etc/linksysconf | grep bootproto >> /etc/original-network-settings - # sed -i -e 's/bootproto=//' /etc/original-network-settings - - strings /etc/linksysconf | grep ip_addr >> /etc/original-network-settings - strings /etc/linksysconf | grep ^netmask >> /etc/original-network-settings - strings /etc/linksysconf | grep ^gateway=. >> /etc/original-network-settings - strings /etc/linksysconf | grep hw_addr >> /etc/original-network-settings - sed -i -e 's/ip_addr=/ address /' /etc/original-network-settings - sed -i -e 's/netmask=/ netmask /' /etc/original-network-settings - sed -i -e 's/gateway=/ gateway /' /etc/original-network-settings - sed -i -e 's/hw_addr=/ hwaddress ether /' /etc/original-network-settings - - mv /etc/network/interfaces /etc/network/interfaces.old - cp /etc/original-network-settings /etc/network/interfaces - - echo "Configured /etc/network/interfaces from /etc/linksysconf" - - strings /etc/linksysconf | grep disk_server_name >> /tmp/hostname - sed -i -e 's/disk_server_name=//' /tmp/hostname - - if [ -s /tmp/hostname ] ; then - mv /etc/hostname /etc/hostname.old - mv /tmp/hostname /etc/hostname - echo "Configured /etc/hostname from /etc/linksysconf" - fi - - strings /etc/linksysconf | grep dns_server1 >> /tmp/resolv.conf - sed -i -e 's/dns_server1=/nameserver /' /tmp/resolv.conf - - if [ -s /tmp/resolv.conf ] ; then - mv /etc/resolv.conf /etc/resolv.conf.old - mv /tmp/resolv.conf /etc/resolv.conf - echo "Configured /etc/resolv.conf from /etc/linksysconf" - fi - + # Read the defined part of SysConf into /etc/default/sysconf. + # SysConf has lines of two forms: + # + # [section] + # name=value + # + # In practice SysConf also contains other stuff, use the command: + # + # devio '<</dev/mtd1;cpb' + # + # to examine the current settings. The badly formatted stuff + # is removed (to be exact, the sed script selects only lines + # which match one of the two above). The lan interface, which + # defaults to ixp0, is changed to the correct value for openslug, + # eth0 + devio '<<'"$sysdev"';cpb;fb1,10' | sed -n '/^\[[^][]*\]$/p; + s/^lan_interface=ixp0$/lan_interface=eth0/; + /^[-a-zA-Z0-9_][-a-zA-Z0-9_]*=/p' >/etc/default/sysconf + # + # Now take the result and set up the 'standard' files in the + # root file system (these couldn't be set up before because + # they depend on stuff which RedBoot puts into SysConf from the + # ID info on the specific machine - in particular the hardware + # address of eth0, which must be the one assigned for *this* + # box!) + # + # HOSTNAME: defaults to LGK<mac> i.e. something derived from + # the ethernet hardware. LinkSys documentation explains how + # to determine this. Set by the user in linksys setup software. + # DOMAINNAME: LinkSys puts this in w_d_name. + test -n "$(config host)" && config host >/etc/hostname + domain="$(config domain)" + test -n "$domain" && echo "$domain" >/etc/defaultdomain + # + # Ethernet information. This goes into /etc/network/interfaces, + # however this is only used for static setup (and this is not + # the default). With dhcp the openslug udhcp script, + # /etc/udhcpc.d/50default, loads the values from sysconf. The + # lan_interface config value must exist for the file to be + # overwritten here. + iface="$(config iface)" + if test -n "$iface" + then + boot="$(config boot)" + # Only dhcp and static are supported at present - bootp + # support requires installation of appropriate packages + # dhcp is the fail-safe + case "$boot" in + dhcp|static) ;; + *) boot=dhcp;; + esac + # + mac="$(config mac)" + ip="$(config ip)" + netmask="$(config netmask)" + gateway="$(config gateway)" + { + echo "# /etc/network/interfaces" + echo "# configuration file for ifup(8), ifdown(8)" + echo "#" + echo "# The loopback interface" + echo "auto lo" + echo "iface lo inet loopback" + echo "#" + echo "# The NSLU2 built-in ethernet" + echo "auto eth0" + echo "# Automatically generated from /etc/default/sysconf" + if test -n "$mac" + then + echo "# The pre-up option must always be supplied, regardless" + echo "# of configuration, to set the hardware correctly." + echo "# Severe network problems may result if this option is" + echo "# removed." + c= + else + echo "# WARNING: improperly configured network interface." + echo "# WARNING: the pre-up line must be corrected or severe" + echo "# WARNING: network problems may result." + c='#' + mac='<WARNING: unknown hardware address>' + fi + echo "iface $iface inet $boot" + echo "${c} pre-up ifconfig $iface hw ether $mac" + # The following are ignored for DHCP but are harmless + test -n "$ip" && echo " address $ip" + test -n "$netmask" && echo " netmask $netmask" + test -n "$gateway" && echo " gateway $gateway" + } >/etc/network/interfaces + fi + # + # The DNS server information gives up to three nameservers, but this + # currently only binds in the first. + { + test -n "$domain" && echo "search $domain" + echodns $(config dns) $(config dns1) $(config dns2) + } >/etc/resolv.conf fi -# Module loading handled more properly by update-modules and modprobe.conf +exit 0 |