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 grubConf <file> Configure grub and create boot-image (for non-PXE NICs)
59 Read modules for grub from file if given.
60 grubConfWrite Configure grub and write image to floppy disk
61 grubWrite Write compiled grub-image to floppy disk
62 grubMultiWrite batchwrite grub-image to floppy disk
63 initrd Only create the initrd
64 clean Remove all configfiles created during user configuration
65 <default> interactive mode
68 -v verbose (show what is going on, v++)
79 if [ -f $CONF_FILE_ ]; then
80 mv -fb $CONF_FILE_ ${CONF_FILE_}-old
84 cat <<EOT > $CONF_FILE_
85 # GRML TERMINAL-SERVER CONFIG
87 INTERFACE_="$INTERFACE_"
92 NAMESERVERS_="$NAMESERVERS_"
93 IPRANGE_FROM_="$IPRANGE_FROM_"
94 IPRANGE_TO_="$IPRANGE_TO_"
96 BOOT_ARGS_="$BOOT_ARGS_"
97 NAT_INTERFACE_="$NAT_INTERFACE_"
100 notice "config successfully safed to \"$CONF_FILE_\""
104 # AUTOMATIC CONFIGURATION {{{
105 function checkParamArg
107 local param_name="$1"
110 #eval "echo $`echo $test`"
111 echo $arg |grep "^[-|+]" &>/dev/null || return
113 die "Argument from $param_name looks like another parameter \"$arg\"" 1
116 function actionAutoconf
118 checkParamArg "-i" "$interface_"
124 function actionMkInitrd
127 echo "Creating initrd $PATH_/minirt26.gz:"
128 if isExistent "$PATH_/minirt26.gz" ; then
130 echo "$PATH_/minirt26.gz exists already, skipping initrd creation"
134 if [ -e '/live/cow' ]; then
144 # we do not want to include persistent configuration files
145 # from udev in the initrd
146 udev_tmp_=$(mktemp -d terminalserver__udev.XXXXXX)
148 if ls /etc/udev/rules.d/*persistent* >/dev/null 2>&1 ; then
149 persistent_files=true
150 for f in /etc/udev/rules.d/*persistent* ; do
151 mv "$f" "${udev_tmp_}/"
156 local cfg_="/etc/initramfs-tools/initramfs.conf"
157 local tmp_="`mktemp -t terminalserver__initramfsbk.XXXXXX`"
159 sed -i 's/^MODULES=.*/MODULES=netboot/' $cfg_
160 update-initramfs -u -t 1>/dev/null
163 local initrd_="/boot/initrd.img-$KERNEL_VERSION_"
164 mv $initrd_ $PATH_/minirt26.gz
165 mv ${initrd_}.bak $initrd_
168 # restore udev configuration files
169 if $persistent_files ; then
170 mv ${udev_tmp_}/* /etc/udev/rules.d/
177 TMP_DIR_=`mktemp -td terminalserver_initrd.XXXXXX`
179 local tmp_loopname=''
181 # copying original initrd into $INITRD
182 execute "rm -r $INITRD_" 2>/dev/null
183 execute "cp $ORIGINAL_INITRD_ $TMP_DIR_/minirt26.gz" warn || return 1
184 execute "mkdir -p $INITRD_" warn || return 1
185 execute "mkdir -p $PATH_/mini-root.orig" warn || return 1
186 execute "gunzip $TMP_DIR_/minirt26.gz" warn || return 1
187 tmp_loopname=`findNextFreeLoop die`
188 execute "mount -o loop=$tmp_loopname $TMP_DIR_/minirt26 $PATH_/mini-root.orig " warn || return 1
189 execute "cp -a $PATH_/mini-root.orig/* $INITRD_" warn || return 1
190 execute "umount $PATH_/mini-root.orig" warn || return 1
191 losetup -d $tmp_loopname &>/dev/null
193 execute "rmdir $PATH_/mini-root.orig" warn || return 1
194 execute "rm $TMP_DIR_/minirt26" warn || return 1
196 # implanting my initrd changes into the original initrd
198 # copy programs, check if there are already links with this name to busybox
199 for i in $USR_SHARE_/timeout $USR_SHARE_/udhcp-config.sh $USR_SHARE_/cdir $USR_SHARE_/rdir; do
201 isNotExistent "$INITRD_/static/$tmp_name_" eprint || execute "rm $INITRD_/static/$tmp_name_"
202 cp $i "$INITRD_/static/$tmp_name_"
204 cp $USR_SHARE_/linuxrc $INITRD_/
205 mkdir -p $INITRD_/mylib
206 mkdir -p $INITRD_/myusr
209 # which modules should i put into the ramdisk
212 # find *all* network drivers, but do not include wlan/pcmcia/... related ones
213 # blacklist: proteon and depca as they seem to cause problems with udevsettle
214 find ${MODULES_PATH_}/${KERNEL_VERSION_}/kernel/drivers/net/ -name \*.ko | \
215 grep -v 'wireless\|wan\|hamradio\|wlan\|ppp\|irda\|pcmcia\|depca\|proteon' | \
216 sed 's#.*./## ; s#\.ko##' | sort | uniq > $CARDS_DETECTED_BY_DISCOVER
218 local modules="`cat $CARDS_DETECTED_BY_DISCOVER |xargs` af_packet"
221 # get paths of modules + paths of all dependent modules
223 for i in $modules; do
224 tmp_=`awk -F: '{if($1~/'"$i".ko'/) {print $0}}' $MODULES_PATH_/$KERNEL_VERSION_/modules.dep`
226 # FIXME ugly sed hack :(
227 echo "${tmp_#*:}" | xargs -n1 echo | sed 's/://'
229 | sort | uniq | while read module relax; do
230 if [ -n "$module" ]; then
231 echo "$module" >> $TMP_
235 # copy modules + dependend modules into ramdisk
236 local mod_path_="$INITRD_/mylib/modules/$KERNEL_VERSION_"
237 local tmp_dst_path_="$mod_path_/kernel"
238 mkdir -p $tmp_dst_path_
239 cat $TMP_ |sort |uniq |while read module; do
240 local tmp_path=${module#*/kernel/}
241 tmp_path=$tmp_dst_path_/${tmp_path%/*.ko}
242 local module_path=$tmp_path/${module##/*/}
244 isNotExistent "$tmp_path" dprint && mkdir -p "$tmp_path"
245 isNotExistent "$module_path" dprint && cp "$MODULES_PATH_ROOT_DIFF_/$module" "$module_path"
248 # copying additional modules
249 for i in fs/nfs/nfs.ko net/sunrpc/sunrpc.ko fs/lockd/lockd.ko net/packet/af_packet.ko; do
250 local tmp_path="$tmp_dst_path_/${i%/*}"
252 cp $MODULES_PATH_/$KERNEL_VERSION_/kernel/$i "$tmp_path"
256 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.dep $mod_path_
257 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.alias $mod_path_
258 #grep "^\/lib\/modules\/$KERNEL_VERSION_\/kernel\/" $MODULES_PATH_/$KERNEL_VERSION_/modules.dep |\
259 # sed "s/\/lib\/modules\/$KERNEL_VERSION_\/kernel\//\/modules\//g" > $mod_path_/modules.dep
261 # put everything into the new initrd
262 local tmp_size=`du -s $INITRD_ |awk '{print $1}'` # in kB
263 let tmp_size=$tmp_size+1000
265 if (( $tmp_size >= $max_size )); then
266 warn "Your initrd is $tmp_size kByte large => TOO BIG (should be <= ${max_size}kB)"
267 warn "Please remove a few modules from $CARDS_DETECTED_BY_DISCOVER or edit $INITRD_ manually"
271 execute "dd if=/dev/zero of=$TMP_DIR_/minirt26 bs=${tmp_size}k count=1 &>/dev/null" warn || \
272 warn "could not create filesystem image"
274 tmp_loopname=`findNextFreeLoop die`
275 execute "losetup $tmp_loopname $TMP_DIR_/minirt26" die
276 execute "mke2fs -L \"GRML NETINIT\" -b 1024 -N 8192 -O none -F -q -m 0 $tmp_loopname" warn
278 execute "mkdir $PATH_/minirt26_mountp" warn
279 execute "mount $tmp_loopname $PATH_/minirt26_mountp" warn
280 execute "cp -a $INITRD_/* $PATH_/minirt26_mountp" warn
281 execute "umount $PATH_/minirt26_mountp" warn
282 execute "losetup -d $tmp_loopname &>/dev/null" warn
283 execute "rmdir $PATH_/minirt26_mountp" warn
284 execute "gzip -9 $TMP_DIR_/minirt26" warn
285 execute "rm -r $INITRD_" warn
286 execute "mv $TMP_DIR_/minirt26.gz $PATH_"
287 execute "rm -fr $TMP_DIR_"
292 # INTERACTIVE CONFIGURATION {{{
294 function actionInteractive
298 dprint "running in interactive mode"
300 local card_title_="Choose network device connected to client network"
301 local card_message_="Available network devices:"
302 local iprange_title_="IP Address range for clients"
303 local iprange_message_="
304 Please enter the desired IP-Range of addresses that should be allocated by clients, separated by a single space.
307 192.168.0.101 192.168.0.200
309 for addresses from 192.168.0.101 to (and including) 192.168.0.200.
312 local runconfig_title_="Networkcard config"
313 local runconfig_message_="Would you like to configure your interfaces now?"
314 local grub_title_="Grub configuration"
315 local grub_message_="Do you have any NON-PXE network cards you would like to boot from?"
317 # on witch interfaces should we listen
318 local netdevices_="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
319 local device_list_=""
320 for INTERFACE_ in $netdevices_; do device_list_="$device_list_ ${INTERFACE_} Networkcard_${INTERFACE_##eth}"; done
322 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$card_title_" --menu "$card_message_" \
323 0 0 18 $device_list_ 2>"$TMP_" || warn "could not get network-interface"
324 INTERFACE_="$(<$TMP_)" ; echo -n "" >"$TMP_"
327 IP_=`netGetIp "$INTERFACE_" warn`
328 NETMASK_=`netGetNetmask "$INTERFACE_" warn`
329 netValidIp "$IP_" warn && break
330 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$runconfig_title_" --yesno "$runconfig_message_" 18 45 && \
331 netcardconfig || die "Could not get interface" $?
334 IPRANGE_FROM_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMin/{print $2}'`
335 IPRANGE_TO_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMax/{print $2}'`
336 NETWORK_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/Network:/{print $2}'`
337 NETWORK_=${NETWORK_%/*}
339 while [ -z "$IPRANGE_FROM_" -o -z "$IPRANGE_TO_" -o -z "$iprange_" ]; do
340 iprange_="$IPRANGE_FROM_ $IPRANGE_TO_"
342 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$iprange_title_ ($INTERFACE_=$IP_/$NETMASK_)" \
343 --inputbox "$iprange_message_" 18 75 "$iprange_" 2>"$TMP_" || die "problems getting network range" $?
346 IPRANGE_FROM_="${iprange_%% *}"
347 IPRANGE_TO_="${iprange_##* }"
349 for i in "$IPRANGE_FROM_" "$IPRANGE_TO_"; do
350 netValidIp "$i" warn || iprange_=""
354 NAMESERVERS_=`netGetNameservers warn`
355 GW_=`netGetDefaultGateway warn`
356 GW_DEV_=`/sbin/ip route get "$GW_" | awk '{ print $3; exit; }'`
357 if [ "$GW_DEV_" != "$INTERFACE_" ] && [ "$GW_DEV_" != "" ]; then
358 # GW_DEV_ of server is not the same device as the one serviced by dhcpd
359 # so it doesn't make sense to provide the GW_ address to the clients
361 local do_nat_title_="Network Address Translation"
362 local do_nat_message_="
363 Do you want to set up NAT so that clients booting from this
364 grml-terminalserver can use this machine also as gateway to
367 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$do_nat_title_" --yesno "$do_nat_message_" 15 75 || \
369 if [ "$do_nat_" = "YES" ]; then
370 # user wants NAT, we give the clients the server address as
373 NAT_INTERFACE_="$GW_DEV_"
375 # no NAT, no sensible gateway
382 # grub -> do not use it anymore
383 # echo -n "" >"$TMP_"
384 # local grub_write_="YES"
385 # $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno "$grub_message_" 5 75 && \
386 # grubConfig || grub_write_="NO"
391 #local OPT_IPTABLES_="yes"
392 #local OPT_SSH_="yes"
393 #local OPT_DISTCC_="yes"
396 local OPTIONS_TITLE_="Options"
397 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
399 grml2hd - Make a non-interactive remote installation
404 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
406 #iptables - Only the server should be able to access the clients
407 #ssh - A ssh-key will be created on the server and distributed to the clients
408 #distcc - You want to use the clients as compile-farm (ssh options recommned)
412 local OPT_IPTABLES_DESC_="Start iptables on the clients"
413 local OPT_SSH_DESC_="Start ssh on the clients"
414 local OPT_DISTCC_DESC_="Start distcc on the clients"
415 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
416 # dialog options (enable if implemented)
417 #iptables "$OPT_IPTABLES_DESC_" off \
418 #ssh "$OPT_SSH_DESC_" off \
419 #distcc "$OPT_DISTCC_DESC_" off \
421 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
422 grml2hd "$OPT_GRML2HD_DESC_" off \
423 2>$TMP_ || die "could not get terminalserver options" $?
424 while read tmp_option_; do
425 OPTIONS_="$OPTIONS_ $tmp_option_"
429 for i in $OPTIONS_; do
431 grml2hd) optGrml2Hd || return 1 ;;
436 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
438 Quite usefull examples:
440 ssh=<pw> - Start ssh server and set password of user grml to pw
441 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
442 console=ttyS0,9600n8 - Initialise serial console
447 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
448 2>$TMP_ || die "problems getting additional boot arguments"
449 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
452 if [ $grub_write_ == "YES" ]; then
456 notice "GRML terminalserver successfully configured"
460 # OPTIONS GETTING DIALOG {{{
463 local GRML2HD_TITLE_='Grml2hd options dialog'
465 local options_='BOOT_IMAGE=grml2hd'
467 # get partition to install grml2hd on
468 OPTIONS_PARTITION_MSG_='Please specify the target partition where to install grml'
469 PARTITION_TITLE_='Partition selection'
471 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
472 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
473 tmp_="partition=$(<$TMP_)"
474 options_="$options_ $tmp_"
476 # get filesystem type
477 OPTION_FS_TYPE_='Please specify the filesystem type'
478 FS_TITLE_='Filesystem selection'
480 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
481 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
482 tmp_="filesystem=$(<$TMP_)"
483 options_="$options_ $tmp_"
485 # get where to save mbr
486 OPTION_MBR_='Please specify the location where to save the mbr'
487 MBR_TITLE_='Select location of mbr'
489 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
490 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
492 options_="$options_ $tmp_"
495 OPTION_USER_='Who should be the first user on the system'
496 USER_TITLE_='User selection'
498 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
499 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
500 tmp_="user=$(<$TMP_)"
501 options_="$options_ $tmp_"
503 BOOT_ARGS_="$options_"
510 local tmp_=`mktemp -td terminalserver_grub.XXXXXX` || warn "could not create tmp file for grubConfig"
511 if [ -z "$tmp_" ]; then return 1; fi
513 grubConfigWork "$tmp_" "$1"
515 execute "rm -rf $tmp_" warn
520 function grubConfigWork
524 local grub_title_="Grub configuration"
525 local grub_nic_message_="
526 Please select the types of network cards you want to boot from.
527 If your networkcard is already listed just press <OK>!
529 WARNING: Do NOT add all NICs, grub could possibly stop working!"
532 if [[ $2 == "" ]]; then
533 while read module_ desc_ mode_; do
534 nics_="$nics_ $module_ $desc_ $mode_"
535 done < $GRUB_NIC_CONF_
539 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$grub_title_" --checklist \
540 "$grub_nic_message_" 10 70 0 $nics_ 2>$TMP_
542 if [[ $ret_ -ne 0 ]]; then
543 die "exiting as requested"
545 if [[ `wc -l <$TMP_` -eq 0 ]]; then
547 warn "you should specify the NICs but didn't => DEFAULT will be used"
548 awk '/ on$/{print $1}' $GRUB_NIC_CONF_ >$TMP_
553 while read module_; do
554 cmd_line_="$cmd_line_ --enable-$module_"
557 echo "\"$cmd_line_\""
559 execute "tar xzf $GRUB_SOURCE_ -C $tmp_" warn || return 1
561 execute "cd $tmp_/grub*" warn || return 1
562 cat >preset-menu <<EOT
563 # Set up the serial terminal, first of all.
564 #serial --unit=0 --speed=19200
565 #terminal --timeout=0 serial
567 # Initialize the network.
568 #dhcp --with-configfile
569 #bootp --with-configfile
573 title Load config from Tftp server
574 configfile (nd)/menu.lst
578 test -r /lib64 && export CC="$CC -m32"
580 CC="$CC" execute "./configure --enable-preset-menu=./preset-menu $cmd_line_" warn || read
581 CC="$CC" execute "make -j2" warn || read #return 1
583 local st1_="stage1/stage1"
584 local st2_="stage2/stage2"
585 isExistent $st1_ warn || return 1
586 isExistent $st2_ warn || return 1
588 if [ -r "$PATH_/grub.img" ] ; then
589 execute "mv -fb $PATH_/grub.img $PATH_/grub.img.old"
592 execute "cat $st1_ $st2_ > $PATH_/grub.img" warn || return 1
601 local grub_title_="Grub configuration"
602 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno \
603 "Do you want to write the grub image to /dev/fd0" 5 75 || return 1
605 execute "dd if=$PATH_/grub.img of=/dev/fd0" warn || return 0
609 function grubMultiWrite
611 local target_=${1:-'/dev/fd0'}
613 isExistent "$PATH_/grub.img" die "you have to specify an image or run \"$PROG_NAME__ grubconf\""
614 isExistent "$target_" die "$target_ is not a valied"
616 echo -n "Please insert disk into $target_ and press <ENTER> (STRG-C for end)"
618 dd if=$PATH_/grub.img of="$target_"
624 function removeTmpFiles
626 execute "rm -f $TMP_" warn
631 for i in dhcpd.conf grub.img minirt26.gz; do
632 execute "rm -f $PATH_/$i*"
635 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
646 while getopts "i:hv" opt; do
648 i) interface_=$OPTARG ;;
649 h) printUsage; exit ;;
650 v) let verbose_=$verbose_+1 ;;
651 ?) printUsage; exit 64 ;;
654 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
658 help) printUsage; exit 0 ;;
661 checkRoot die 'You have to be root to use this program'
664 execute "mkdir -p $PATH_" die
666 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
667 setExitFunction 'removeTmpFiles'
674 # MODULES_PATH_ROOT_DIFF_
677 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
678 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
679 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
680 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
681 die "False configuration, please update $CONFIG_"
686 interactive) actionInteractive ;;
687 grubConf) grubConfig "$2" ;;
688 grubConfWrite) grubConfig && grubWrite ;;
689 grubWrite) grubWrite ;;
690 grubMultiWrite) grubMultiWrite "$2" ;;
691 initrd) actionMkInitrd ;;
692 clean) actionClean ;;
693 *) actionInteractive ;;
698 ################################################################################
699 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2