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
384 local grub_write_="YES"
385 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno "$grub_message_" 5 75 && \
386 grubConfig || grub_write_="NO"
390 #local OPT_IPTABLES_="yes"
391 #local OPT_SSH_="yes"
392 #local OPT_DISTCC_="yes"
395 local OPTIONS_TITLE_="Options"
396 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
398 grml2hd - Make a non-interactive remote installation
403 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
405 #iptables - Only the server should be able to access the clients
406 #ssh - A ssh-key will be created on the server and distributed to the clients
407 #distcc - You want to use the clients as compile-farm (ssh options recommned)
411 local OPT_IPTABLES_DESC_="Start iptables on the clients"
412 local OPT_SSH_DESC_="Start ssh on the clients"
413 local OPT_DISTCC_DESC_="Start distcc on the clients"
414 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
415 # dialog options (enable if implemented)
416 #iptables "$OPT_IPTABLES_DESC_" off \
417 #ssh "$OPT_SSH_DESC_" off \
418 #distcc "$OPT_DISTCC_DESC_" off \
420 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
421 grml2hd "$OPT_GRML2HD_DESC_" off \
422 2>$TMP_ || die "could not get terminalserver options" $?
423 while read tmp_option_; do
424 OPTIONS_="$OPTIONS_ $tmp_option_"
428 for i in $OPTIONS_; do
430 grml2hd) optGrml2Hd || return 1 ;;
435 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
437 Quite usefull examples:
439 ssh=<pw> - Start ssh server and set password of user grml to pw
440 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
441 console=ttyS0,9600n8 - Initialise serial console
446 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
447 2>$TMP_ || die "problems getting additional boot arguments"
448 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
451 if [ $grub_write_ == "YES" ]; then
455 notice "GRML terminalserver successfully configured"
459 # OPTIONS GETTING DIALOG {{{
462 local GRML2HD_TITLE_='Grml2hd options dialog'
464 local options_='BOOT_IMAGE=grml2hd'
466 # get partition to install grml2hd on
467 OPTIONS_PARTITION_MSG_='Please specify the target partition where to install grml'
468 PARTITION_TITLE_='Partition selection'
470 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
471 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
472 tmp_="partition=$(<$TMP_)"
473 options_="$options_ $tmp_"
475 # get filesystem type
476 OPTION_FS_TYPE_='Please specify the filesystem type'
477 FS_TITLE_='Filesystem selection'
479 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
480 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
481 tmp_="filesystem=$(<$TMP_)"
482 options_="$options_ $tmp_"
484 # get where to save mbr
485 OPTION_MBR_='Please specify the location where to save the mbr'
486 MBR_TITLE_='Select location of mbr'
488 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
489 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
491 options_="$options_ $tmp_"
494 OPTION_USER_='Who should be the first user on the system'
495 USER_TITLE_='User selection'
497 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
498 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
499 tmp_="user=$(<$TMP_)"
500 options_="$options_ $tmp_"
502 BOOT_ARGS_="$options_"
509 local tmp_=`mktemp -td terminalserver_grub.XXXXXX` || warn "could not create tmp file for grubConfig"
510 if [ -z "$tmp_" ]; then return 1; fi
512 grubConfigWork "$tmp_" "$1"
514 execute "rm -rf $tmp_" warn
519 function grubConfigWork
523 local grub_title_="Grub configuration"
524 local grub_nic_message_="
525 Please select the types of network cards you want to boot from.
526 If your networkcard is already listed just press <OK>!
528 WARNING: Do NOT add all NICs, grub could possibly stop working!"
531 if [[ $2 == "" ]]; then
532 while read module_ desc_ mode_; do
533 nics_="$nics_ $module_ $desc_ $mode_"
534 done < $GRUB_NIC_CONF_
538 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$grub_title_" --checklist \
539 "$grub_nic_message_" 10 70 0 $nics_ 2>$TMP_
541 if [[ $ret_ -ne 0 ]]; then
542 die "exiting as requested"
544 if [[ `wc -l <$TMP_` -eq 0 ]]; then
546 warn "you should specify the NICs but didn't => DEFAULT will be used"
547 awk '/ on$/{print $1}' $GRUB_NIC_CONF_ >$TMP_
552 while read module_; do
553 cmd_line_="$cmd_line_ --enable-$module_"
556 echo "\"$cmd_line_\""
558 execute "tar xzf $GRUB_SOURCE_ -C $tmp_" warn || return 1
560 execute "cd $tmp_/grub*" warn || return 1
561 cat >preset-menu <<EOT
562 # Set up the serial terminal, first of all.
563 #serial --unit=0 --speed=19200
564 #terminal --timeout=0 serial
566 # Initialize the network.
567 #dhcp --with-configfile
568 #bootp --with-configfile
572 title Load config from Tftp server
573 configfile (nd)/menu.lst
577 test -r /lib64 && export CC="$CC -m32"
579 CC="$CC" execute "./configure --enable-preset-menu=./preset-menu $cmd_line_" warn || read
580 CC="$CC" execute "make -j2" warn || read #return 1
582 local st1_="stage1/stage1"
583 local st2_="stage2/stage2"
584 isExistent $st1_ warn || return 1
585 isExistent $st2_ warn || return 1
587 if [ -r "$PATH_/grub.img" ] ; then
588 execute "mv -fb $PATH_/grub.img $PATH_/grub.img.old"
591 execute "cat $st1_ $st2_ > $PATH_/grub.img" warn || return 1
600 local grub_title_="Grub configuration"
601 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno \
602 "Do you want to write the grub image to /dev/fd0" 5 75 || return 1
604 execute "dd if=$PATH_/grub.img of=/dev/fd0" warn || return 0
608 function grubMultiWrite
610 local target_=${1:-'/dev/fd0'}
612 isExistent "$PATH_/grub.img" die "you have to specify an image or run \"$PROG_NAME__ grubconf\""
613 isExistent "$target_" die "$target_ is not a valied"
615 echo -n "Please insert disk into $target_ and press <ENTER> (STRG-C for end)"
617 dd if=$PATH_/grub.img of="$target_"
623 function removeTmpFiles
625 execute "rm -f $TMP_" warn
630 for i in dhcpd.conf grub.img minirt26.gz; do
631 execute "rm -f $PATH_/$i*"
634 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
645 while getopts "i:hv" opt; do
647 i) interface_=$OPTARG ;;
648 h) printUsage; exit ;;
649 v) let verbose_=$verbose_+1 ;;
650 ?) printUsage; exit 64 ;;
653 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
657 help) printUsage; exit 0 ;;
660 checkRoot die 'You have to be root to use this program'
663 execute "mkdir -p $PATH_" die
665 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
666 setExitFunction 'removeTmpFiles'
673 # MODULES_PATH_ROOT_DIFF_
676 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
677 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
678 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
679 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
680 die "False configuration, please update $CONFIG_"
685 interactive) actionInteractive ;;
686 grubConf) grubConfig "$2" ;;
687 grubConfWrite) grubConfig && grubWrite ;;
688 grubWrite) grubWrite ;;
689 grubMultiWrite) grubMultiWrite "$2" ;;
690 initrd) actionMkInitrd ;;
691 clean) actionClean ;;
692 *) actionInteractive ;;
697 ################################################################################
698 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2