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 # Latest change: Die Mär 27 13:34:47 CEST 2007 [mika]
8 ################################################################################
15 #. /etc/grml/sysexits-sh
25 # this file holds all variable definitions
26 SHARED_PROG_VARS_="/usr/share/grml-terminalserver/shared_prog_vars"
27 isExistent $SHARED_PROG_VARS_ die
30 # variables used in the config file for grml-terminalserver
51 Usage: "$PROG_NAME__" [OPTIONS] <command>
53 $PROG_NAME__ is the config program for the terminalserver coming with grml.
58 interactive Interactive Configuration of the grml-terminalserver
59 grubConf <file> Configure grub and create boot-image (for non-PXE NICs)
60 Read modules for grub from file if given.
61 grubConfWrite Configure grub and write image to floppy disk
62 grubWrite Write compiled grub-image to floppy disk
63 grubMultiWrite batchwrite grub-image to floppy disk
64 initrd Only create the initrd
65 clean Remove all configfiles created during user configuration
66 <default> interactive mode
69 -v verbose (show what is going on, v++)
80 if [ -f $CONF_FILE_ ]; then
81 mv -fb $CONF_FILE_ ${CONF_FILE_}-old
85 cat <<EOT > $CONF_FILE_
86 # GRML TERMINAL-SERVER CONFIG
88 INTERFACE_="$INTERFACE_"
93 NAMESERVERS_="$NAMESERVERS_"
94 IPRANGE_FROM_="$IPRANGE_FROM_"
95 IPRANGE_TO_="$IPRANGE_TO_"
97 BOOT_ARGS_="$BOOT_ARGS_"
98 NAT_INTERFACE_="$NAT_INTERFACE_"
101 notice "config successfully safed to \"$CONF_FILE_\""
105 # AUTOMATIC CONFIGURATION {{{
106 function checkParamArg
108 local param_name="$1"
111 #eval "echo $`echo $test`"
112 echo $arg |grep "^[-|+]" &>/dev/null || return
114 die "Argument from $param_name looks like another parameter \"$arg\"" 1
117 function actionAutoconf
119 checkParamArg "-i" "$interface_"
125 function actionMkInitrd
127 echo -n "Creating initrd $PATH_/minirt26.gz: "
128 isExistent "$PATH_/minirt26.gz" && echo && echo "$PATH_/minirt26.gz exists already, skipping initrd creation" && return 0
129 if [ -e '/live/cow' ]; then
140 local cfg_="/etc/initramfs-tools/initramfs.conf"
141 local tmp_="`mktemp -t terminalserver__initramfsbk.XXXXXX`"
143 sed -i 's/^MODULES=.*/MODULES=netboot/' $cfg_
144 update-initramfs -u -t
147 local initrd_="/boot/initrd.img-$KERNEL_VERSION_"
148 mv $initrd_ $PATH_/minirt26.gz
149 mv ${initrd_}.bak $initrd_
155 TMP_DIR_=`mktemp -td terminalserver_initrd.XXXXXX`
157 local tmp_loopname=''
159 # copying original initrd into $INITRD
160 execute "rm -r $INITRD_" 2>/dev/null
161 execute "cp $ORIGINAL_INITRD_ $TMP_DIR_/minirt26.gz" warn || return 1
162 execute "mkdir -p $INITRD_" warn || return 1
163 execute "mkdir -p $PATH_/mini-root.orig" warn || return 1
164 execute "gunzip $TMP_DIR_/minirt26.gz" warn || return 1
165 tmp_loopname=`findNextFreeLoop die`
166 execute "mount -o loop=$tmp_loopname $TMP_DIR_/minirt26 $PATH_/mini-root.orig " warn || return 1
167 execute "cp -a $PATH_/mini-root.orig/* $INITRD_" warn || return 1
168 execute "umount $PATH_/mini-root.orig" warn || return 1
169 losetup -d $tmp_loopname &>/dev/null
171 execute "rmdir $PATH_/mini-root.orig" warn || return 1
172 execute "rm $TMP_DIR_/minirt26" warn || return 1
174 # implanting my initrd changes into the original initrd
176 # copy programs, check if there are already links with this name to busybox
177 for i in $USR_SHARE_/timeout $USR_SHARE_/udhcp-config.sh $USR_SHARE_/cdir $USR_SHARE_/rdir; do
179 isNotExistent "$INITRD_/static/$tmp_name_" eprint || execute "rm $INITRD_/static/$tmp_name_"
180 cp $i "$INITRD_/static/$tmp_name_"
182 cp $USR_SHARE_/linuxrc $INITRD_/
183 mkdir -p $INITRD_/mylib
184 mkdir -p $INITRD_/myusr
187 # which modules should i put into the ramdisk
190 # find *all* network drivers, but do not include wlan/pcmcia/... related ones
191 # blacklist: proteon and depca as they seem to cause problems with udevsettle
192 find ${MODULES_PATH_}/${KERNEL_VERSION_}/kernel/drivers/net/ -name \*.ko | \
193 grep -v 'wireless\|wan\|hamradio\|wlan\|ppp\|irda\|pcmcia\|depca\|proteon' | \
194 sed 's#.*./## ; s#\.ko##' | sort | uniq > $CARDS_DETECTED_BY_DISCOVER
196 local modules="`cat $CARDS_DETECTED_BY_DISCOVER |xargs` af_packet"
199 # get paths of modules + paths of all dependent modules
201 for i in $modules; do
202 tmp_=`awk -F: '{if($1~/'"$i".ko'/) {print $0}}' $MODULES_PATH_/$KERNEL_VERSION_/modules.dep`
204 # FIXME ugly sed hack :(
205 echo "${tmp_#*:}" | xargs -n1 echo | sed 's/://'
207 | sort | uniq | while read module relax; do
208 if [ -n "$module" ]; then
209 echo "$module" >> $TMP_
213 # copy modules + dependend modules into ramdisk
214 local mod_path_="$INITRD_/mylib/modules/$KERNEL_VERSION_"
215 local tmp_dst_path_="$mod_path_/kernel"
216 mkdir -p $tmp_dst_path_
217 cat $TMP_ |sort |uniq |while read module; do
218 local tmp_path=${module#*/kernel/}
219 tmp_path=$tmp_dst_path_/${tmp_path%/*.ko}
220 local module_path=$tmp_path/${module##/*/}
222 isNotExistent "$tmp_path" dprint && mkdir -p "$tmp_path"
223 isNotExistent "$module_path" dprint && cp "$MODULES_PATH_ROOT_DIFF_/$module" "$module_path"
226 # copying additional modules
227 for i in fs/nfs/nfs.ko net/sunrpc/sunrpc.ko fs/lockd/lockd.ko net/packet/af_packet.ko; do
228 local tmp_path="$tmp_dst_path_/${i%/*}"
230 cp $MODULES_PATH_/$KERNEL_VERSION_/kernel/$i "$tmp_path"
234 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.dep $mod_path_
235 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.alias $mod_path_
236 #grep "^\/lib\/modules\/$KERNEL_VERSION_\/kernel\/" $MODULES_PATH_/$KERNEL_VERSION_/modules.dep |\
237 # sed "s/\/lib\/modules\/$KERNEL_VERSION_\/kernel\//\/modules\//g" > $mod_path_/modules.dep
239 # put everything into the new initrd
240 local tmp_size=`du -s $INITRD_ |awk '{print $1}'` # in kB
241 let tmp_size=$tmp_size+1000
243 if (( $tmp_size >= $max_size )); then
244 warn "Your initrd is $tmp_size kByte large => TOO BIG (should be <= ${max_size}kB)"
245 warn "Please remove a few modules from $CARDS_DETECTED_BY_DISCOVER or edit $INITRD_ manually"
249 execute "dd if=/dev/zero of=$TMP_DIR_/minirt26 bs=${tmp_size}k count=1 &>/dev/null" warn || \
250 warn "could not create filesystem image"
252 tmp_loopname=`findNextFreeLoop die`
253 execute "losetup $tmp_loopname $TMP_DIR_/minirt26" die
254 execute "mke2fs -L \"GRML NETINIT\" -b 1024 -N 8192 -O none -F -q -m 0 $tmp_loopname" warn
256 execute "mkdir $PATH_/minirt26_mountp" warn
257 execute "mount $tmp_loopname $PATH_/minirt26_mountp" warn
258 execute "cp -a $INITRD_/* $PATH_/minirt26_mountp" warn
259 execute "umount $PATH_/minirt26_mountp" warn
260 execute "losetup -d $tmp_loopname &>/dev/null" warn
261 execute "rmdir $PATH_/minirt26_mountp" warn
262 execute "gzip -9 $TMP_DIR_/minirt26" warn
263 execute "rm -r $INITRD_" warn
264 execute "mv $TMP_DIR_/minirt26.gz $PATH_"
265 execute "rm -fr $TMP_DIR_"
270 # INTERACTIVE CONFIGURATION {{{
272 function actionInteractive
276 dprint "running in interactive mode"
278 local card_title_="Choose network device connected to client network"
279 local card_message_="Available network devices:"
280 local iprange_title_="IP Address range for clients"
281 local iprange_message_="
282 Please enter the desired IP-Range of addresses that should be allocated by clients, separated by a single space.
285 192.168.0.101 192.168.0.200
287 for addresses from 192.168.0.101 to (and including) 192.168.0.200.
290 local runconfig_title_="Networkcard config"
291 local runconfig_message_="Would you like to configure your interfaces now?"
292 local grub_title_="Grub configuration"
293 local grub_message_="Do you have any NON-PXE network cards you would like to boot from?"
295 # on witch interfaces should we listen
296 local netdevices_="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
297 local device_list_=""
298 for INTERFACE_ in $netdevices_; do device_list_="$device_list_ ${INTERFACE_} Networkcard_${INTERFACE_##eth}"; done
300 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$card_title_" --menu "$card_message_" \
301 0 0 18 $device_list_ 2>"$TMP_" || warn "could not get network-interface"
302 INTERFACE_="$(<$TMP_)" ; echo -n "" >"$TMP_"
305 IP_=`netGetIp "$INTERFACE_" warn`
306 NETMASK_=`netGetNetmask "$INTERFACE_" warn`
307 netValidIp "$IP_" warn && break
308 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$runconfig_title_" --yesno "$runconfig_message_" 18 45 && \
309 netcardconfig || die "Could not get interface" $?
312 IPRANGE_FROM_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMin/{print $2}'`
313 IPRANGE_TO_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMax/{print $2}'`
314 NETWORK_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/Network:/{print $2}'`
315 NETWORK_=${NETWORK_%/*}
317 while [ -z "$IPRANGE_FROM_" -o -z "$IPRANGE_TO_" -o -z "$iprange_" ]; do
318 iprange_="$IPRANGE_FROM_ $IPRANGE_TO_"
320 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$iprange_title_ ($INTERFACE_=$IP_/$NETMASK_)" \
321 --inputbox "$iprange_message_" 18 75 "$iprange_" 2>"$TMP_" || die "problems getting network range" $?
324 IPRANGE_FROM_="${iprange_%% *}"
325 IPRANGE_TO_="${iprange_##* }"
327 for i in "$IPRANGE_FROM_" "$IPRANGE_TO_"; do
328 netValidIp "$i" warn || iprange_=""
332 NAMESERVERS_=`netGetNameservers warn`
333 GW_=`netGetDefaultGateway warn`
334 GW_DEV_=`/sbin/ip route get "$GW_" | awk '{ print $3; exit; }'`
335 if [ "$GW_DEV_" != "$INTERFACE_" ] && [ "$GW_DEV_" != "" ]; then
336 # GW_DEV_ of server is not the same device as the one serviced by dhcpd
337 # so it doesn't make sense to provide the GW_ address to the clients
339 local do_nat_title_="Network Address Translation"
340 local do_nat_message_="
341 Do you want to set up NAT so that clients booting from this
342 grml-terminalserver can use this machine also as gateway to
345 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$do_nat_title_" --yesno "$do_nat_message_" 15 75 || \
347 if [ "$do_nat_" = "YES" ]; then
348 # user wants NAT, we give the clients the server address as
351 NAT_INTERFACE_="$GW_DEV_"
353 # no NAT, no sensible gateway
362 local grub_write_="YES"
363 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno "$grub_message_" 5 75 && \
364 grubConfig || grub_write_="NO"
368 #local OPT_IPTABLES_="yes"
369 #local OPT_SSH_="yes"
370 #local OPT_DISTCC_="yes"
373 local OPTIONS_TITLE_="Options"
374 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
376 grml2hd - Make a non-interactive remote installation
381 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
383 #iptables - Only the server should be able to access the clients
384 #ssh - A ssh-key will be created on the server and distributed to the clients
385 #distcc - You want to use the clients as compile-farm (ssh options recommned)
389 local OPT_IPTABLES_DESC_="Start iptables on the clients"
390 local OPT_SSH_DESC_="Start ssh on the clients"
391 local OPT_DISTCC_DESC_="Start distcc on the clients"
392 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
393 # dialog options (enable if implemented)
394 #iptables "$OPT_IPTABLES_DESC_" off \
395 #ssh "$OPT_SSH_DESC_" off \
396 #distcc "$OPT_DISTCC_DESC_" off \
398 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
399 grml2hd "$OPT_GRML2HD_DESC_" off \
400 2>$TMP_ || die "could not get terminalserver options" $?
401 while read tmp_option_; do
402 OPTIONS_="$OPTIONS_ $tmp_option_"
406 for i in $OPTIONS_; do
408 grml2hd) optGrml2Hd || return 1 ;;
413 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
415 Quite usefull examples:
417 ssh=<pw> - Start ssh server and set password of user grml to pw
418 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
419 console=ttyS0,9600n8 - Initialise serial console
424 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
425 2>$TMP_ || die "problems getting additional boot arguments"
426 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
429 if [ $grub_write_ == "YES" ]; then
433 notice "GRML terminalserver successfully configured"
437 # OPTIONS GETTING DIALOG {{{
440 local GRML2HD_TITLE_='Grml2hd options dialog'
442 local options_='BOOT_IMAGE=grml2hd'
444 # get partition to install grml2hd on
445 OPTIONS_PARTITION_MSG_='Please give me the target partition where to install grml'
446 PARTITION_TITLE_='Partition selection'
448 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
449 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
450 tmp_="partition=$(<$TMP_)"
451 options_="$options_ $tmp_"
453 # get filesystem type
454 OPTION_FS_TYPE_='Please give me the filesystem type'
455 FS_TITLE_='Filesystem selection'
457 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
458 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
459 tmp_="filesystem=$(<$TMP_)"
460 options_="$options_ $tmp_"
462 # get where to save mbr
463 OPTION_MBR_='Please give me the location where to save the mbr'
464 MBR_TITLE_='Select location of mbr'
466 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
467 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
469 options_="$options_ $tmp_"
472 OPTION_USER_='Who should be the first user on the system'
473 USER_TITLE_='User selection'
475 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
476 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
477 tmp_="user=$(<$TMP_)"
478 options_="$options_ $tmp_"
480 BOOT_ARGS_="$options_"
487 local tmp_=`mktemp -td terminalserver_grub.XXXXXX` || warn "could not create tmp file for grubConfig"
488 if [ -z "$tmp_" ]; then return 1; fi
490 grubConfigWork "$tmp_" "$1"
492 execute "rm -rf $tmp_" warn
497 function grubConfigWork
501 local grub_title_="Grub configuration"
502 local grub_nic_message_="
503 Give me the types of network cards you would want to boot from.
504 If you networkcard is already listed press <OK>!
506 WARNING: DON't add all NIC's, grub could possibly stop working!!"
509 if [[ $2 == "" ]]; then
510 while read module_ desc_ mode_; do
511 nics_="$nics_ $module_ $desc_ $mode_"
512 done < $GRUB_NIC_CONF_
516 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$grub_title_" --checklist \
517 "$grub_nic_message_" 10 70 0 $nics_ 2>$TMP_
519 if [[ $ret_ -ne 0 || `wc -l <$TMP_` -eq 0 ]]; then
521 warn "you should give me your specified NICs but didn't => DEFAULT will be used"
522 awk '/ on$/{print $1}' $GRUB_NIC_CONF_ >$TMP_
527 while read module_; do
528 cmd_line_="$cmd_line_ --enable-$module_"
531 echo "\"$cmd_line_\""
533 execute "tar xzf $GRUB_SOURCE_ -C $tmp_" warn || return 1
534 execute "cd $tmp_/grub*" warn || return 1
535 cat >preset-menu <<EOT
536 # Set up the serial terminal, first of all.
537 #serial --unit=0 --speed=19200
538 #terminal --timeout=0 serial
540 # Initialize the network.
541 #dhcp --with-configfile
542 #bootp --with-configfile
546 title Load config from Tftp server
547 configfile (nd)/menu.lst
551 test -r /lib64 && export CC="$CC -m32"
553 CC="$CC" execute "./configure --enable-preset-menu=./preset-menu $cmd_line_" warn || read
554 CC="$CC" execute "make -j2" warn || read #return 1
556 local st1_="stage1/stage1"
557 local st2_="stage2/stage2"
558 isExistent $st1_ warn || return 1
559 isExistent $st2_ warn || return 1
561 if [ -r "$PATH_/grub.img" ] ; then
562 execute "mv -fb $PATH_/grub.img $PATH_/grub.img.old"
565 execute "cat $st1_ $st2_ > $PATH_/grub.img" warn || return 1
572 local grub_title_="Grub configuration"
573 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno \
574 "Do you want to write your grub image to /dev/fd0" 5 75 || return 1
576 execute "dd if=$PATH_/grub.img of=/dev/fd0" warn || return 0
580 function grubMultiWrite
582 local target_=${1:-'/dev/fd0'}
584 isExistent "$PATH_/grub.img" die "you must give me an image or run \"$PROG_NAME__ grubconf\""
585 isExistent "$target_" die "$target_ is not a valied"
587 echo -n "Please insert disk into $target_ and press <ENTER> (STRG-C for end)"
589 dd if=$PATH_/grub.img of="$target_"
595 function removeTmpFiles
597 execute "rm -f $TMP_" warn
602 for i in dhcpd.conf grub.img minirt26.gz; do
603 execute "rm -f $PATH_/$i*"
606 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
617 while getopts "i:hv" opt; do
619 i) interface_=$OPTARG ;;
620 h) printUsage; exit ;;
621 v) let verbose_=$verbose_+1 ;;
622 ?) printUsage; exit 64 ;;
625 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
629 help) printUsage; exit 0 ;;
632 checkRoot die 'You have to be root to use this program'
635 execute "mkdir -p $PATH_" die
637 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
638 setExitFunction 'removeTmpFiles'
645 # MODULES_PATH_ROOT_DIFF_
648 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
649 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
650 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
651 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
652 die "False configuration, please update $CONFIG_"
657 interactive) actionInteractive ;;
658 grubConf) grubConfig "$2" ;;
659 grubConfWrite) grubConfig && grubWrite ;;
660 grubWrite) grubWrite ;;
661 grubMultiWrite) grubMultiWrite "$2" ;;
662 initrd) actionMkInitrd ;;
663 clean) actionClean ;;
664 *) actionInteractive ;;
669 ################################################################################
670 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2