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autoconfig.functions
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#!/bin/zsh
# Filename: autoconfig.functions
# Purpose: basic system configuration and hardware setup for grml system
# Authors: grml-team (grml.org), (c) Michael Prokop <[email protected]>
# Bug-Reports: see http://grml.org/bugs/
# License: This file is licensed under the GPL v2.
################################################################################
# {{{ path, variables, signals, umask, zsh
export PATH="/bin:/sbin:/usr/bin:/usr/sbin"
DEBUG="/dev/null"
KERNEL="$(uname -r)"
umask 022
[ -d /run/live/medium ] && export LIVECD_PATH='/run/live/medium'
# Ignore these signals in non-interactive mode: INT, TERM, SEGV
[ -z "$PS1" ] && trap "" 2 3 11
service_wrapper() {
if [ "$#" -lt 2 ] ; then
echo "Usage: service_wrapper <service> <action>" >&2
return 1
fi
local service="$1"
local action="$2"
systemctl "$action" "$service"
}
# zsh stuff
iszsh(){
if [ -n "$ZSH_VERSION" ] ; then
return 0
else
return 1
fi
}
# avoid 'no matches found: ...'
iszsh && setopt no_nomatch # || echo "Warning: not running under zsh!"
# }}}
# {{{ Read in boot parameters
if [ -z "$CMDLINE" ]; then
# if CMDLINE was set from the outside, we're debugging.
# otherwise, take CMDLINE from Kernel and config files.
CMDLINE="$(< /proc/cmdline)"
[ -d ${LIVECD_PATH}/bootparams/ ] && CMDLINE="$CMDLINE $(cat ${LIVECD_PATH}/bootparams/* | tr '\n' ' ')"
TAG="grml-parameters"
if grep -q "$TAG" /sys/bus/virtio/devices/*/mount_tag 2>/dev/null ; then
MOUNTDIR="$(mktemp -d)"
mount -t 9p -o trans=virtio,ro "$TAG" "$MOUNTDIR"
CMDLINE="$CMDLINE $(cat "$MOUNTDIR"/* 2>/dev/null | tr '\n' ' ')"
umount "$MOUNTDIR"
rmdir "$MOUNTDIR"
fi
fi
# }}}
### {{{ Utility Functions
# Get a bootoption's parameter: read boot command line and either
# echo last parameter's argument or return false.
getbootparam(){
local line
local ws
ws=' '
line=" $CMDLINE "
case "$line" in
*[${ws}]"$1="*)
result="${line##*[$ws]$1=}"
result="${result%%[$ws]*}"
echo "$result"
return 0 ;;
*) # no match?
return 1 ;;
esac
}
# Check boot commandline for specified option
checkbootparam(){
[ -n "$1" ] || ( echo "Error: missing argument to checkbootparam()" ; return 1 )
local line
local ws
ws=' '
line=" $CMDLINE "
case "$line" in
*[${ws}]"$1"=*|*[${ws}]"$1"[${ws}]*)
return 0 ;;
*)
return 1 ;;
esac
}
# Check if currently using a framebuffer
hasfb() {
[ -e /dev/fb0 ] && return 0 || return 1
}
# Check wheter a configuration variable (like $CONFIG_TOHD) is
# enabled or not
checkvalue(){
case "$1" in
[yY][eE][sS]) return 0 ;; # it's set to 'yes'
[tT][rR][uU][eE]) return 0 ;; # it's set to 'true'
*) return 1 ;; # default
esac
}
# Are we using grml-small?
checkgrmlsmall(){
grep -q small /etc/grml_version 2>>$DEBUG && return 0 || return 1
}
# if no password is set return a random password
set_passwd() {
[ -n "$PASSWD" ] && return 0
if [ -x /usr/bin/xkcdpass ] ; then
PASSWD="$(xkcdpass)"
elif [ -x /usr/bin/diceware ] ; then
PASSWD="$(diceware)"
else
PASSWD="$(tr -dc '[:alnum:]' < /dev/urandom | head -c 28)"
fi
}
### }}}
# {{{ Check if we are running in live mode or from HD
INSTALLED=""
[ -e /etc/grml_cd ] || INSTALLED="yes"
# }}}
# {{{ provide information about virtual environments
VIRTUAL=false # assume physical system by default
KVM=false
VIRTUALBOX=false
VMWARE=false
_detect_virtual() {
local virt_what_result
virt_what_result=$(virt-what 2>/dev/null)
if [[ $virt_what_result == *vmware* ]]; then
VIRTUAL=true; VMWARE=true; VIRTUAL_ENV='VMware'
fi
if [[ $virt_what_result == *kvm* ]]; then
VIRTUAL=true; KVM=true; VIRTUAL_ENV='KVM'
fi
if [[ $virt_what_result == *virtualbox* ]]; then
VIRTUAL=true; VIRTUALBOX=true; VIRTUAL_ENV='VirtualBox'
fi
if [ -z "$VIRTUAL" ]; then
# imvirt is slow. do not use it, if virt-what already found the hypervisor.
local imvirt_result
imvirt_result=$(imvirt 2>/dev/null)
if [[ $imvirt_result == *VMware* ]]; then
VIRTUAL=true; VMWARE=true; VIRTUAL_ENV='VMware'
fi
if [[ $imvirt_result == "KVM" ]]; then
VIRTUAL=true; KVM=true; VIRTUAL_ENV='KVM'
fi
if [[ $imvirt_result == "VirtualBox" ]]; then
VIRTUAL=true; VIRTUALBOX=true; VIRTUAL_ENV='VirtualBox'
fi
fi
}
_detect_virtual
# }}}
# {{{ source lsb-functions , color handling
if checkbootparam 'nocolor'; then
. /etc/grml/lsb-functions
einfo "Disabling colors in bootsequence as requested on commandline." ; eend 0
else
. /etc/grml/lsb-functions
fi
# }}}
# {{{ log
config_log(){
if checkbootparam 'log' || checkbootparam 'debug' ; then
export DEBUG="/tmp/grml.log.`date +%Y%m%d`"
touch "${DEBUG}"
einfo "Bootparameter log found, debug log file from grml-autoconfig available at '${DEBUG}'"
else
DEBUG="/dev/null"
fi
}
# }}}
### {{{ language configuration / localization
config_language(){
einfo "Activating language settings:"
eindent
# people can specify $LANGUAGE in a config file
[ -r /etc/grml/autoconfig ] && . /etc/grml/autoconfig
# check for bootoption which overrides config from /etc/grml/autoconfig
BOOT_LANGUAGE="$(getbootparam 'lang' 2>>$DEBUG)"
[ -n "$BOOT_LANGUAGE" ] && LANGUAGE="$BOOT_LANGUAGE"
# set default to 'en' in live-cd mode iff $LANGUAGE is not set yet
if [ -z "$INSTALLED" ] ; then
[ -n "$LANGUAGE" ] || LANGUAGE='en'
fi
if [ -x /usr/sbin/grml-setlang ] ; then
# if bootoption lang is used update /etc/default/locale accordingly
if [ -n "$BOOT_LANGUAGE" ] ; then
/usr/sbin/grml-setlang "$LANGUAGE"
# otherwise default to lang=en
else
/usr/sbin/grml-setlang "en"
fi
fi
# export it now, so error messages get translated, too
[ -r /etc/default/locale ] && . /etc/default/locale
export LANG LANGUAGE
local KEYBOARD
KEYBOARD="$(getbootparam 'keyboard' 2>>$DEBUG)"
[ -n "$KEYBOARD" ] || KEYBOARD="$LANGUAGE"
# "symbols/en" doesn't exist, so rewrite to "us"
[[ "$KEYBOARD" == 'en' ]] && KEYBOARD="us"
if [ -r /etc/default/keyboard ] ; then
sed -i "s/^XKBLAYOUT=.*/XKBLAYOUT=\"$KEYBOARD\"/" /etc/default/keyboard
case "$KEYBOARD" in
de|at)
sed -i "s/^XKBVARIANT=.*/XKBVARIANT=\"nodeadkeys\"/" /etc/default/keyboard
;;
esac
fi
eoutdent
}
# }}}
# {{{ Set hostname
config_hostname(){
if ! checkbootparam 'hostname' ; then
return 0
fi
HOSTNAME="$(getbootparam 'hostname' 2>>$DEBUG)"
if [ -z "$HOSTNAME" ] && [ -x /usr/bin/random-hostname ] ; then
einfo "Generating random hostname as no hostname was specified."
HOSTNAME="$(/usr/bin/random-hostname)"
eend $?
fi
einfo "Setting hostname to $HOSTNAME as requested."
grml-hostname $HOSTNAME >>$DEBUG
eend $?
}
# }}}
# fstabuser (needed when running from harddisk with username != grml {{{
config_userfstab(){
# force load of build-in and local config
[ -r /etc/grml/autoconfig ] && . /etc/grml/autoconfig
[ -r /etc/grml/autoconfig ] && . /etc/grml/autoconfig.local
# 1st. try configured fstab user
if [ -n "$CONFIG_FSTAB_USER" ] ; then
fstabuser=$(getent passwd $CONFIG_FSTAB_USER | cut -d: -f1)
fi
# 2nd. use standard user id
[ -n "$fstabuser" ] || fstabuser=$(getent passwd 1000 | cut -d: -f1)
# 3rd. use standard user name
[ -n "$fstabuser" ] || fstabuser=$(getent passwd grml | cut -d: -f1)
# if not yet set fall back to 'root' user, avoid bad /etc/fstab
[ -n "$fstabuser" ] || fstabuser='root'
}
# }}}
# local_user (needed when running with username != grml {{{
config_userlocal() {
# force load of build-in and local config
[ -r /etc/grml/autoconfig ] && . /etc/grml/autoconfig
[ -r /etc/grml/autoconfig ] && . /etc/grml/autoconfig.local
# 1st. try id of primary user
localuser=$(getent passwd 1000 | cut -d: -f1)
# 2nd. use name standard user
[ -n "$localuser" ] || localuser=$(getent passwd grml | cut -d: -f1)
}
# }}}
# {{{ print kernel info
config_kernel(){
if $VIRTUAL && [ -n "$VIRTUAL_ENV" ] ; then
einfo "Running Linux Kernel $KERNEL inside $VIRTUAL_ENV" ; eend 0
else
einfo "Running Linux Kernel $KERNEL" ; eend 0
fi
if [ -r /proc/cpuinfo ] ; then
if egrep -q '^flags.*(vmx|svm)' /proc/cpuinfo ; then
eindent
einfo 'CPU(s) featuring virtualization technology detected' ; eend 0
eoutdent
fi
fi
if [ -d /proc/xen ] ; then
eindent
einfo 'Running kernel featuring support for Xen detected' ; eend 0
eoutdent
fi
}
# }}}
# {{{ secure boot
# helper function to check whether we're running under (enabled) Secure Boot
running_under_secureboot() {
if [[ -x "$(command -v mokutil)" ]] ; then
if mokutil --sb-state 2>/dev/null | grep -q 'SecureBoot enabled' ; then
return 0
else
return 1
fi
else
if od -An -t u1 /sys/firmware/efi/vars/SecureBoot-*/data 2>/dev/null | grep -q 1 ; then
return 0
else
return 1
fi
fi
}
config_secureboot(){
if running_under_secureboot ; then
einfo "SecureBoot is enabled" ; eend 0
else
einfo "SecureBoot not detected" ; eend 0
fi
}
# }}}
# {{{ Configure timezone when using boot option tz, or RTC for boot option localtime
config_timezone(){
local timezone
timezone="$(getbootparam 'tz' 2>>$DEBUG)"
if [ -n "${timezone}" ] ; then
if ! [ -e "/usr/share/zoneinfo/${timezone}" ] ; then
ewarn "Warning: unknown timezone ${timezone}, falling back to UTC" ; eend 1
timezone="UTC"
fi
einfo "Setting timezone to ${timezone}"
ln -sf /usr/share/zoneinfo/"${timezone}" /etc/localtime
eend $?
fi
if checkbootparam 'localtime' ; then
einfo "Bootoption localtime is set, configuring RTC to local time."
timedatectl set-local-rtc 1
eend $?
fi
}
# }}}
# {{{ CD Checker
config_testcd(){
if checkbootparam 'testcd' ; then
einfo "Checking CD data integrity as requested by '${WHITE}testcd${NORMAL}' boot option."
eindent
local ERROR=true
local FOUND_FILE=false
local logfile='/tmp/md5sum.log'
rm -f "$logfile"
for md5 in $(find "${LIVECD_PATH}" -name md5sums) ; do
einfo "Checking files against $md5, this may take a while..."
FOUND_FILE=true
OLD_PWD=$(pwd)
cd $(dirname "$md5")
md5sum -c $(basename "$md5") |& tee -a "${logfile}"
if [ $pipestatus[1] -eq 0 ] ; then
ERROR=false
fi
cd "${OLD_PWD}"
done
if ! $FOUND_FILE ; then
eerror 'Error: Could not find md5sum file' ; eend 1
return
fi
if ! $ERROR ; then
einfo "Everything looks OK" ; eend 0
else
eerror 'Checksum failed for theses files:' ; eend 1
egrep -v '(^md5sum:|OK$)' "${logfile}"
eerror 'Data on the medium is possibly incomplete/damaged or RAM of your system is broken.' ; eend 1
einfon "Hit return to continue, or press the power button to shut down system."
read a
fi
eoutdent
fi
}
# }}}
# {{{ blacklist specific module [ used in /etc/init.d/udev ]
config_blacklist(){
if checkbootparam 'blacklist' ; then
if [ -z "$INSTALLED" ]; then
einfo "Bootoption blacklist found."
BLACK="$(getbootparam 'blacklist' 2>>$DEBUG)"
BLACKLIST_FILE='/etc/modprobe.d/grml.conf'
if [ -n "$BLACK" ] ; then
for module in $(echo ${BLACK//,/ }) ; do
einfo "Blacklisting module ${module} via ${BLACKLIST_FILE}."
echo "# begin entry generated by config_blacklist of grml-autoconfig" >> "$BLACKLIST_FILE"
echo "blacklist $module" >> "$BLACKLIST_FILE"
echo "alias $module off" >> "$BLACKLIST_FILE"
echo "# end entry generated by config_blacklist of grml-autoconfig" >> "$BLACKLIST_FILE" ; eend $?
done
else
eerror "No given module for blacklist found. Blacklisting will not work therefore."
fi
else
ewarn "Backlisting via bootoption is not intended for use on harddisk installations." ; eend 1
eindent
einfo "Please blacklist the module(s) manually using the 'blacklist' script."
eoutdent
fi
fi
}
# }}}
# {{{ Start brltty
config_brltty() {
if checkbootparam 'brltty' ; then
einfo "Starting brltty service as requested on boot commandline."
service_wrapper brltty start ; eend $?
fi
}
# }}}
# {{{ Start creating /etc/fstab with HD partitions and USB SCSI devices now
config_fstab(){
NOSWAP="yes" # we do not use swap by default!
if checkbootparam 'swap' || checkbootparam 'anyswap' ; then
NOSWAP=''
checkbootparam 'anyswap' && export ANYSWAP='yes' || export ANYSWAP=""
fi
# Scan for swap, config, homedir - but only in live-mode
if [ -z "$INSTALLED" ] ; then
[ -z "$NOSWAP" ] && einfo "Searching for swap partition(s) as requested."
GRML_IMG=""
GRML_SWP=""
HOMEDIR="$(getbootparam 'home')"
if [ -n "$partitions" ]; then
while read p m f relax; do
case "$p" in *fd0*|*proc*|*sys*|*\#*) continue;; esac
partoptions="users,exec"
fnew=""
# it's a swap partition?
case "$f" in swap)
eindent
if [ -n "$NOSWAP" ]; then
ewarn "Ignoring swap partition ${WHITE}$p${NORMAL}. (Force usage via boot option 'swap', or execute grml-swapon)"
eend 0
else
case "$(dd if=$p bs=1 count=6 skip=4086 2>/dev/null)" in
S1SUSP|S2SUSP|pmdisk|[zZ]*)
if [ -n "$ANYSWAP" ] ; then
einfo "Using swap partition ${WHITE}${p}${NORMAL} [bootoption anyswap found]."
swapon $p 2>>$DEBUG ; eend $?
else
ewarn "Suspend signature on ${WHITE}${p}${NORMAL} found, not using as swap. (Force usage via boot option: anyswap)"
fi
;;
*)
if [[ "$p" == LABEL* ]] ; then
p=$(blkid -t $p | awk -F: '{print $1}')
fi
if grep -q $p /proc/swaps ; then
ewarn "Not using swap partition ${WHITE}${p}${NORMAL} as it is already in use." ; eend 0
else
if [ -b "$p" ] ; then
einfo "Using swap partition ${WHITE}${p}${NORMAL}."
swapon $p 2>>$DEBUG ; eend $?
else
ewarn "$p is not a valid block device - not using it therefore." ; eend 0
fi
fi
;;
esac # dd-check
fi # -n "$NOSWAP
eoutdent
continue
;;
esac # it's a swap partition?
# mount read-only
MOUNTOPTS="ro"
case "$f" in
vfat|msdos|ntfs) MOUNTOPTS="$MOUNTOPTS,uid=${fstabuser},gid=${fstabuser}" ;;
ext2|ext3|reiserfs|jfs|reiser4|xfs) MOUNTOPTS="$MOUNTOPTS,noatime" ;;
*) continue ;;
# *) NONEFOUND='1'; continue ;;
esac
# use a swapfile
if [ -z "$NOSWAP" ] ; then
mount -o "$MOUNTOPTS" -t $f $p $m 2>>$DEBUG && MOUNTED=1 || continue
# Activate swapfile, if exists
SWAPFILE="$(/bin/ls -1d $m/[Gg][Rr][Mm][Ll].[Ss][Ww][Pp] 2>/dev/null)"
fi
if [ -z "$NOSWAP" -a -n "$SWAPFILE" -a -f "$SWAPFILE" ]; then
mount -o remount,rw $m && MOUNTED=1
if swapon "$SWAPFILE" 2>>$DEBUG ; then
eindent
einfo "Using GRML swapfile ${WHITE}${SWAPFILE}${NORMAL}."
eoutdent
fnew="$SWAPFILE swap swap defaults 0 0"
grep -q "$fnew" "/etc/fstab" || echo "$fnew" >> /etc/fstab
GRML_SWP="$GRML_SWP $SWAPFILE"
eend 0
fi
mount -o remount,ro $m 2>>$DEBUG && MOUNTED=1
fi
# use a image as home
IMAGE="$(/bin/ls -1d $m/[Gg][Rr][Mm][Ll].[Ii][Mm][Gg] 2>/dev/null)"
if [ -z "$GRML_IMG" -a -n "$IMAGE" -a -f "$IMAGE" ]; then
if [ -n "$HOMEDIR" ]; then
if [ "$HOMEDIR" != "scan" -a "$HOMEDIR" != "$IMAGE" -a "$HOMEDIR" != "${IMAGE%/*.*}" ]; then
continue
fi
fi
if type -a grml-image >/dev/null 2>&1 && grml-image "$IMAGE" </dev/console >/dev/console 2>&1; then
GRML_IMG="$IMAGE"
mount -o remount,ro $m 2>>$DEBUG && MOUNTED=1
fi
fi
eend 0
# Umount, if not in use
[ -n "$MOUNTED" ] && umount -r $m 2>/dev/null
done <<EOT
$(cat /etc/fstab)
EOT
fi # -n $partitions
fi # -z $INSTALLED
}
# }}}
# {{{ CPU-detection
config_cpu(){
if checkbootparam 'nocpu'; then
ewarn "Skipping CPU detection as requested on boot commandline." ; eend 0
return 0
fi
if ! [ -x "$(which lscpu)" ] ; then
ewarn "Skipping CPU detection due to lack of lscpu."; eend 0
return 0
fi
local cpu_info num_cpus
cpu_info="$(lscpu | sed -n '/^Model name:/s/[^:]*:\s*//p')"
num_cpus=$(grep -c processor /proc/cpuinfo)
einfo "Found ${num_cpus} CPU(s): ${cpu_info}"
eend 0
}
# }}}
# {{{ autostart of ssh
config_ssh(){
if checkbootparam 'ssh' ; then
local PASSWD
PASSWD="$(getbootparam 'ssh' 2>>$DEBUG)"
config_userlocal
einfo "Bootoption ssh found, trying to set password for root and user $localuser"
[ -z "$localuser" ] && eend 1
eindent
if [ -z "$PASSWD" ] ; then
set_passwd && ewarn "No given password for found. Using random password: $PASSWD" && eend 0
fi
eoutdent
if [ -n "$PASSWD" ] ; then
chpass_options=""
if chpasswd --help 2>&1 | grep -q -- '-m,' ; then
chpass_options="-m"
fi
echo "$localuser:$PASSWD" | chpasswd $chpass_options
echo "root:$PASSWD" | chpasswd $chpass_options
eindent
ewarn "Warning: please change the password for root and user $localuser as soon as possible!"
eoutdent
fi
einfo "Starting secure shell server in background for root and user $localuser"
service_wrapper haveged start >>$DEBUG 2>>$DEBUG
service_wrapper rmnologin start >>$DEBUG 2>>$DEBUG
service_wrapper ssh start >>$DEBUG 2>>$DEBUG
eend $?
fi
}
# }}}
# {{{ display hostkeys of SSH server
config_display_ssh_fingerprints() {
if ! ls /etc/ssh/ssh_host_\*_key >/dev/null 2>&1 ; then
return 0 # no SSH host keys present
fi
einfo "SSH key fingerprints:"
for file in /etc/ssh/ssh_host_*_key ; do
einfon
ssh-keygen -l -f $file
done | column -t
eend $?
}
# }}}
# {{{ autostart of x11vnc
config_vnc(){
if checkbootparam 'vnc' ; then
config_userlocal
VNC_PASSWD=''
VNC_PASSWD="$(getbootparam 'vnc' 2>>$DEBUG)"
einfo "Bootoption vnc found, trying to set password for user $localuser."
eindent
if [ -z "$VNC_PASSWD" ] ; then
if [ -x /usr/bin/apg ] ; then
VNC_PASSWD="$(apg -M NL -a 0 -m 8 -x 12 -n 1)"
elif [ -x /usr/bin/gpw ] ; then
VNC_PASSWD="$(gpw 1)"
elif [ -x /usr/bin/pwgen ] ; then
VNC_PASSWD="$(pwgen -1 8)"
elif [ -x /usr/bin/hexdump ] ; then
VNC_PASSWD="$(dd if=/dev/urandom bs=14 count=1 2>/dev/null | hexdump | awk '{print $3 $4}')"
elif [ -n "$RANDOM" ] ; then
VNC_PASSWD="${localuser}${RANDOM}"
else
VNC_PASSWD=''
eerror "Empty passphrase and neither pwgen nor hexdump nor \$RANDOM found. Skipping."
eend 1
fi
if [ -n "$VNC_PASSWD" ] ; then
ewarn "No given password for vnc found. Using random password: $VNC_PASSWD" ; eend 0
fi
fi
eoutdent
# finally check if we have a password we can use:
if [ -n "$VNC_PASSWD" ] ; then
VNCDIR="/home/${localuser}/.vnc"
[ -d "$VNCDIR" ] || mkdir "$VNCDIR"
if [ ! -x /usr/bin/x11vnc ] ; then
eerror "Error: x11vnc not found - can not set up vnc. Please make sure to install the x11vnc package."
eend 1
else
/usr/bin/x11vnc -storepasswd "$VNC_PASSWD" "$VNCDIR"/passwd ; eend $?
/bin/chown -R "$localuser": "$VNCDIR"
fi
fi
if checkbootparam 'vnc_connect' ; then
VNC_CONNECT=''
VNC_CONNECT="$(getbootparam 'vnc_connect' 2>>$DEBUG)"
einfo "Bootoption vnc_connect found, will start vnc with connect to $VNC_CONNECT."
#store the options in a file
VNCDIR="/home/${localuser}/.vnc"
[ -d "$VNCDIR" ] || mkdir "$VNCDIR"
echo " --connect $VNC_CONNECT " >> $VNCDIR/options
fi
fi
}
# }}}
# {{{ set password for root and default user
config_passwd(){
if checkbootparam 'passwd' >>$DEBUG 2>&1; then
local PASSWD
PASSWD="$(getbootparam 'passwd' 2>>$DEBUG)"
config_userlocal
einfo "Bootoption passwd found, trying to set password for root and user $localuser"
[ -z "$localuser" ] && eend 1
eindent
if [ -z "$PASSWD" ] ; then
set_passwd && ewarn "No given password for found. Using random password: $PASSWD" && eend 0
fi
eoutdent
if [ -n "$PASSWD" ] ; then
chpass_options=""
if chpasswd --help 2>&1 | grep -q -- '-m,' ; then
chpass_options="-m"
fi
echo "$localuser:$PASSWD" | chpasswd $chpass_options
echo "root:$PASSWD" | chpasswd $chpass_options
eindent
ewarn "Warning: please change the password for root and user $localuser as soon as possible!"
eoutdent
fi
fi
if checkbootparam 'encpasswd' >>$DEBUG 2>&1; then
local PASSWD
PASSWD="$(getbootparam 'encpasswd' 2>>$DEBUG)"
if [ -z "$PASSWD" ] ; then
eerror "No hashed password found, can not set password."
eend 1
return
fi
config_userlocal
einfo "Bootoption encpasswd found, trying to set hashed password for root and user $localuser"
[ -z "$localuser" ] && eend 1
if [ -n "$PASSWD" ] ; then
chpass_options="-e"
echo "$localuser:$PASSWD" | chpasswd $chpass_options
echo "root:$PASSWD" | chpasswd $chpass_options
eindent
ewarn "Warning: please change the password for root and user $localuser as soon as possible!"
eoutdent
fi
fi
}
# }}}
# {{{ Sound
config_mixer () {
if ! [ -x /usr/bin/amixer ] ; then
logger -t grml-autoconfig "amixer binary not available"
return
fi
if ! [ -r /proc/asound/cards ] ; then
ewarn "No soundcard present, skipping mixer settings therefore."
eend 0
return
fi
for card in $(cat /proc/asound/cards| grep -e '^\s*[0-9]' | awk '{print $1}') ; do
einfo "Configuring soundcard \"$(awk -F\[ '/^ *'$card' \[/{ FS=" "; $0=$2; print $1}' < /proc/asound/cards)\""
eindent
if checkbootparam 'vol' ; then
VOL="$(getbootparam 'vol' 2>>$DEBUG)"
if [ -z "$VOL" ] ; then
eerror "Bootoption vol found but no volume level/parameter given. Using defaults (75%)."
VOL='75'
eend 1
fi
else
VOL='75'
fi
if checkbootparam 'nosound' ; then
einfo "Muting sound devices on request."
ERROR=$(amixer -q set Master mute)
RC=$?
if [ -n "$ERROR" ] ; then
eindent
eerror "Problem muting sound devices: $ERROR"
eoutdent
fi
eend $RC
elif [ -z "$INSTALLED" ] ; then
einfo "Setting mixer volumes to level ${WHITE}${VOL}${NORMAL}."
if checkbootparam 'micvol' ; then
MICVOL="$(getbootparam 'micvol' 2>>$DEBUG)"
einfo "Setting microphone to ${WHITE}${MICVOL}${NORMAL}."
else
MICVOL=0
fi
CONTROLS=$(amixer -c $card scontrols | awk -F"Simple mixer control " '{print $2}')
IFSOLD=${IFS:-}
IFS=$'\n'
for CONTROL in ${=CONTROLS} ; do
# such devices can not be controlled with amixer ... unmute
[[ "$CONTROL" == *Console* ]] && continue
if ! echo "${CONTROL}" | grep -q -i "mic" ; then
if amixer -c $card sget "${CONTROL}" | grep -q 'Capabilities:.*pswitch' ; then
amixer -c $card -q set "${CONTROL}" unmute
fi
if amixer -c $card sget "${CONTROL}" | grep -q -P 'Capabilities:.*(pvolume| volume)' ; then
amixer -c $card -q set "${CONTROL}" "${VOL}"%
fi
fi
if [ ${MICVOL} -ne 0 ] ; then
if amixer -c $card sget "${CONTROL}" | grep -q 'Capabilities:.*cswitch' ; then
amixer -c $card -q set "${CONTROL}" unmute
fi
if amixer -c $card sget "${CONTROL}" | grep -q 'Capabilities:.*cvolume' ; then
amixer -c $card -q set "${CONTROL}" $MICVOL%
fi
eend $?
fi
done
IFS=$IFSOLD
fi # checkbootparam 'nosound'
eoutdent
done
}
# }}}
# {{{ gpm
config_gpm(){
if checkbootparam 'nogpm'; then
ewarn "Not starting GPM as requested on boot commandline." ; eend 0
else
if ! [ -r /dev/input/mice ] ; then
eerror "No mouse found - not starting GPM." ; eend 1
else
einfo "Starting gpm in background."
service_wrapper gpm start >>$DEBUG
eend 0
fi
fi
}
# }}}
# {{{ services
config_services(){
if checkbootparam 'services' ; then
SERVICE="$(getbootparam 'services' 2>>$DEBUG)"
SERVICELIST=$(echo "$SERVICE" | sed 's/,/\\n/g')
SERVICENL=$(echo "$SERVICE" | sed 's/,/ /g')
for service in $(echo -e $SERVICELIST) ; do
einfo "Starting service ${service}."
service_wrapper "${service}" start >>$DEBUG
done
eend $?
fi
}
# }}}
# {{{ remote files
get_remote_file() {
[ "$#" -eq 2 ] || ( echo "Error: wrong parameter for get_remote_file()" ; return 1 )
SOURCE=$(eval echo "$1")
TARGET="$2"
getconfig() {
wget --timeout=10 --dns-timeout=10 --connect-timeout=10 --tries=1 \
--read-timeout=10 ${SOURCE} -O ${TARGET} && return 0 || return 1
}
einfo "Trying to get ${WHITE}${TARGET}${NORMAL}"
if checkbootparam 'getfile.retries' ; then
local counter="$(getbootparam 'getfile.retries' 2>>$DEBUG)"
else
local counter=10
fi
while ! getconfig && [[ "$counter" != 0 ]] ; do
echo -n "Sleeping for 1 second and trying to get config again... "
counter=$(( counter-1 ))
echo "$counter tries left" ; sleep 1
done
if [ -s "$TARGET" ] ; then
einfo "Downloading was successfull." ; eend 0
einfo "md5sum of ${WHITE}${TARGET}${NORMAL}: "
md5sum ${TARGET} ; eend 0
return 0;
else
einfo "Sorry, could not fetch ${SOURCE}" ; eend 1
return 1;
fi
}
# }}}
# {{{ config files
config_netconfig(){
if checkbootparam 'netconfig' ; then
# Provide ARCH here as it is documented to work, but skip calling uname when not necessary.
ARCH="$(uname -m)"
CONFIG="$(getbootparam 'netconfig' 2>>$DEBUG)"
CONFIGFILE='/tmp/netconfig.grml'
if get_remote_file ${CONFIG} ${CONFIGFILE} ; then
cd / && einfo "Unpacking ${WHITE}${CONFIGFILE}${NORMAL}:" && /usr/bin/unp $CONFIGFILE $EXTRACTOPTIONS ; eend $?
fi
fi
}
# }}}
# {{{ remote scripts
config_netscript() {
if checkbootparam 'netscript' ; then
CONFIG="$(getbootparam 'netscript' 2>>$DEBUG)"
SCRIPTFILE='/tmp/netscript.grml'
if get_remote_file ${CONFIG} ${SCRIPTFILE} ; then
chmod +x ${SCRIPTFILE}
einfo "Running ${WHITE}${SCRIPTFILE}${NORMAL}:" && NETSCRIPT=${CONFIG} ${SCRIPTFILE} ; eend $?
fi
fi
}
# }}}
# {{{ start X window system via grml-x
config_x_startup(){
# make sure we start X only if startx is used *before* a nostartx option
# so it's possible to disable automatic X startup using nostart
if checkbootparam 'startx' && ! echo "$CMDLINE" | grep -q 'startx.*nostartx' ; then
if [ -x "$(which X)" ] ; then
if [ -z "$INSTALLED" ] ; then
WINDOWMANAGER="$(getbootparam 'startx' 2>>$DEBUG)"
if [ -z "$WINDOWMANAGER" ] ; then
einfo "No window manager specified. Using default one." && eend 0
else
einfo "Window manager ${WHITE}${WINDOWMANAGER}${NORMAL} found as bootoption." && eend 0
fi
einfo "Setting up and invoking grml-x ${WINDOWMANAGER}. Just exit X windows system to get full featured consoles."
config_userlocal
if [ -n "$WINDOWMANAGER" ] ; then
mkdir -p /run/grml-x/
echo "$WINDOWMANAGER" > /run/grml-x/window-manager
fi
chvt 7
return
cat>|/etc/init.d/startx<<EOF
#!/bin/sh
su "${localuser}" -c "/usr/bin/grml-x ${WINDOWMANAGER}"
EOF
chmod 755 /etc/init.d/startx
# adjust inittab for startx
if grep -q '^6:' /etc/inittab ; then
sed -i 's|^6:.*|6:2345:respawn:/bin/zsh --login -c "/etc/init.d/startx ; /usr/share/grml-scripts/run-welcome" >/dev/tty6 2>\&1 </dev/tty6|' /etc/inittab
else # just append tty6 to inittab if no definition is present:
echo '6:2345:respawn:/bin/zsh --login -c "/etc/init.d/startx ; /usr/share/grml-scripts/run-welcome" >/dev/tty6 2>&1 < /dev/tty6' >> /etc/inittab
fi
/sbin/telinit q ; eend $?
if grep -q '^allowed_users=' /etc/X11/Xwrapper.config ; then
sed -i 's/^allowed_users=.*/allowed_users=anybody/' /etc/X11/Xwrapper.config
else
echo 'allowed_users=anybody' >> /etc/X11/Xwrapper.config
fi
else
eerror "We are not running in live mode - startx will not work, skipping it."
eerror " -> Please use something like xdm, gdm or kdm for starting X on a harddisk system!" ; eend 1
fi
else
eerror "/usr/bin/X is not present on this grml flavour."
eerror " -> Boot parameter startx does not work therefore." ; eend 1
fi
fi
}
# }}}