2 # Filename: terminalserver-config
3 # Purpose: configuration program for grml-terminalserver
4 # Authors: grml-team (grml.org), (c) Michael Gebetsroither <gebi@grml.org>
5 # Bug-Reports: see http://grml.org/bugs/
6 # License: This file is licensed under the GPL v2.
7 ################################################################################
14 #. /etc/grml/sysexits-sh
24 # this file holds all variable definitions
25 SHARED_PROG_VARS_="/usr/share/grml-terminalserver/shared_prog_vars"
26 isExistent $SHARED_PROG_VARS_ die
29 # variables used in the config file for grml-terminalserver
50 Usage: "$PROG_NAME__" [OPTIONS] <command>
52 $PROG_NAME__ is the config program for the terminalserver coming with grml.
57 interactive Interactive Configuration of the grml-terminalserver
58 initrd Only create the initrd
59 clean Remove all configfiles created during user configuration
60 <default> interactive mode
63 -v verbose (show what is going on, v++)
74 if [ -f $CONF_FILE_ ]; then
75 mv -fb $CONF_FILE_ ${CONF_FILE_}-old
79 cat <<EOT > $CONF_FILE_
80 # GRML TERMINAL-SERVER CONFIG
82 INTERFACE_="$INTERFACE_"
87 NAMESERVERS_="$NAMESERVERS_"
88 IPRANGE_FROM_="$IPRANGE_FROM_"
89 IPRANGE_TO_="$IPRANGE_TO_"
91 BOOT_ARGS_="$BOOT_ARGS_"
92 NAT_INTERFACE_="$NAT_INTERFACE_"
95 notice "config successfully safed to \"$CONF_FILE_\""
99 # AUTOMATIC CONFIGURATION {{{
100 function checkParamArg
102 local param_name="$1"
105 #eval "echo $`echo $test`"
106 echo $arg |grep "^[-|+]" &>/dev/null || return
108 die "Argument from $param_name looks like another parameter \"$arg\"" 1
111 function actionAutoconf
113 checkParamArg "-i" "$interface_"
119 function actionMkInitrd
122 echo "Creating initrd $PATH_/minirt26.gz:"
123 if isExistent "$PATH_/minirt26.gz" ; then
125 echo "$PATH_/minirt26.gz exists already, skipping initrd creation"
136 # we do not want to include persistent configuration files
137 # from udev in the initrd
138 udev_tmp_=$(mktemp -d terminalserver__udev.XXXXXX)
140 if ls /etc/udev/rules.d/*persistent* >/dev/null 2>&1 ; then
141 persistent_files=true
142 for f in /etc/udev/rules.d/*persistent* ; do
143 mv "$f" "${udev_tmp_}/"
148 local cfg_="/etc/initramfs-tools/initramfs.conf"
149 local tmp_="`mktemp -t terminalserver__initramfsbk.XXXXXX`"
151 sed -i 's/^MODULES=.*/MODULES=netboot/' $cfg_
152 update-initramfs -u -t 1>/dev/null
155 local initrd_="/boot/initrd.img-$KERNEL_VERSION_"
156 mv $initrd_ $PATH_/minirt26.gz
157 mv ${initrd_}.bak $initrd_
160 # restore udev configuration files
161 if $persistent_files ; then
162 mv ${udev_tmp_}/* /etc/udev/rules.d/
169 # INTERACTIVE CONFIGURATION {{{
171 function actionInteractive
175 dprint "running in interactive mode"
177 local card_title_="Choose network device connected to client network"
178 local card_message_="Available network devices:"
179 local iprange_title_="IP Address range for clients"
180 local iprange_message_="
181 Please enter the desired IP-Range of addresses that should be allocated by clients, separated by a single space.
184 192.168.0.101 192.168.0.200
186 for addresses from 192.168.0.101 to (and including) 192.168.0.200.
189 local runconfig_title_="Networkcard config"
190 local runconfig_message_="Would you like to configure your interfaces now?"
192 # on witch interfaces should we listen
193 local netdevices_="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
194 local device_list_=""
195 for INTERFACE_ in $netdevices_; do device_list_="$device_list_ ${INTERFACE_} Networkcard_${INTERFACE_##eth}"; done
197 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$card_title_" --menu "$card_message_" \
198 0 0 18 $device_list_ 2>"$TMP_" || warn "could not get network-interface"
199 INTERFACE_="$(<$TMP_)" ; echo -n "" >"$TMP_"
202 IP_=`netGetIp "$INTERFACE_" warn`
203 NETMASK_=`netGetNetmask "$INTERFACE_" warn`
204 netValidIp "$IP_" warn && break
205 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$runconfig_title_" --yesno "$runconfig_message_" 18 45 && \
206 netcardconfig || die "Could not get interface" $?
209 IPRANGE_FROM_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMin/{print $2}'`
210 IPRANGE_TO_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMax/{print $2}'`
211 NETWORK_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/Network:/{print $2}'`
212 NETWORK_=${NETWORK_%/*}
214 while [ -z "$IPRANGE_FROM_" -o -z "$IPRANGE_TO_" -o -z "$iprange_" ]; do
215 iprange_="$IPRANGE_FROM_ $IPRANGE_TO_"
217 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$iprange_title_ ($INTERFACE_=$IP_/$NETMASK_)" \
218 --inputbox "$iprange_message_" 18 75 "$iprange_" 2>"$TMP_" || die "problems getting network range" $?
221 IPRANGE_FROM_="${iprange_%% *}"
222 IPRANGE_TO_="${iprange_##* }"
224 for i in "$IPRANGE_FROM_" "$IPRANGE_TO_"; do
225 netValidIp "$i" warn || iprange_=""
229 NAMESERVERS_=`netGetNameservers warn`
230 GW_=`netGetDefaultGateway warn`
231 GW_DEV_=`/sbin/ip route get "$GW_" | awk '{ print $3; exit; }'`
232 if [ "$GW_DEV_" != "$INTERFACE_" ] && [ "$GW_DEV_" != "" ]; then
233 # GW_DEV_ of server is not the same device as the one serviced by dhcpd
234 # so it doesn't make sense to provide the GW_ address to the clients
236 local do_nat_title_="Network Address Translation"
237 local do_nat_message_="
238 Do you want to set up NAT so that clients booting from this
239 grml-terminalserver can use this machine also as gateway to
242 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$do_nat_title_" --yesno "$do_nat_message_" 15 75 || \
244 if [ "$do_nat_" = "YES" ]; then
245 # user wants NAT, we give the clients the server address as
248 NAT_INTERFACE_="$GW_DEV_"
250 # no NAT, no sensible gateway
257 #local OPT_IPTABLES_="yes"
258 #local OPT_SSH_="yes"
259 #local OPT_DISTCC_="yes"
262 local OPTIONS_TITLE_="Options"
263 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
265 grml2hd - Make a non-interactive remote installation
270 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
272 #iptables - Only the server should be able to access the clients
273 #ssh - A ssh-key will be created on the server and distributed to the clients
274 #distcc - You want to use the clients as compile-farm (ssh options recommned)
278 local OPT_IPTABLES_DESC_="Start iptables on the clients"
279 local OPT_SSH_DESC_="Start ssh on the clients"
280 local OPT_DISTCC_DESC_="Start distcc on the clients"
281 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
282 # dialog options (enable if implemented)
283 #iptables "$OPT_IPTABLES_DESC_" off \
284 #ssh "$OPT_SSH_DESC_" off \
285 #distcc "$OPT_DISTCC_DESC_" off \
287 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
288 grml2hd "$OPT_GRML2HD_DESC_" off \
289 2>$TMP_ || die "could not get terminalserver options" $?
290 while read tmp_option_; do
291 OPTIONS_="$OPTIONS_ $tmp_option_"
295 for i in $OPTIONS_; do
297 grml2hd) optGrml2Hd || return 1 ;;
302 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
304 Quite usefull examples:
306 ssh=<pw> - Start ssh server and set password of user grml to pw
307 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
308 console=ttyS0,9600n8 - Initialise serial console
313 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
314 2>$TMP_ || die "problems getting additional boot arguments"
315 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
319 notice "GRML terminalserver successfully configured"
323 # OPTIONS GETTING DIALOG {{{
326 local GRML2HD_TITLE_='Grml2hd options dialog'
328 local options_='BOOT_IMAGE=grml2hd'
330 # get partition to install grml2hd on
331 OPTIONS_PARTITION_MSG_='Please specify the target partition where to install grml'
332 PARTITION_TITLE_='Partition selection'
334 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
335 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
336 tmp_="partition=$(<$TMP_)"
337 options_="$options_ $tmp_"
339 # get filesystem type
340 OPTION_FS_TYPE_='Please specify the filesystem type'
341 FS_TITLE_='Filesystem selection'
343 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
344 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
345 tmp_="filesystem=$(<$TMP_)"
346 options_="$options_ $tmp_"
348 # get where to save mbr
349 OPTION_MBR_='Please specify the location where to save the mbr'
350 MBR_TITLE_='Select location of mbr'
352 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
353 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
355 options_="$options_ $tmp_"
358 OPTION_USER_='Who should be the first user on the system'
359 USER_TITLE_='User selection'
361 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
362 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
363 tmp_="user=$(<$TMP_)"
364 options_="$options_ $tmp_"
366 BOOT_ARGS_="$options_"
371 function removeTmpFiles
373 execute "rm -f $TMP_" warn
378 for i in dhcpd.conf minirt26.gz; do
379 execute "rm -f $PATH_/$i*"
382 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
393 while getopts "i:hv" opt; do
395 i) interface_=$OPTARG ;;
396 h) printUsage; exit ;;
397 v) let verbose_=$verbose_+1 ;;
398 ?) printUsage; exit 64 ;;
401 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
405 help) printUsage; exit 0 ;;
408 checkRoot die 'You have to be root to use this program'
411 execute "mkdir -p $PATH_" die
413 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
414 setExitFunction 'removeTmpFiles'
421 # MODULES_PATH_ROOT_DIFF_
424 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
425 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
426 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
427 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
428 die "False configuration, please update $CONFIG_"
433 interactive) actionInteractive ;;
434 initrd) actionMkInitrd ;;
435 clean) actionClean ;;
436 *) actionInteractive ;;
441 ################################################################################
442 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2