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: Son Jän 20 12:12:44 CET 2008 [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
128 echo -n "Creating initrd $PATH_/minirt26.gz: "
129 if isExistent "$PATH_/minirt26.gz" ; then
131 echo "$PATH_/minirt26.gz exists already, skipping initrd creation"
135 if [ -e '/live/cow' ]; then
146 local cfg_="/etc/initramfs-tools/initramfs.conf"
147 local tmp_="`mktemp -t terminalserver__initramfsbk.XXXXXX`"
149 sed -i 's/^MODULES=.*/MODULES=netboot/' $cfg_
150 update-initramfs -u -t 1>/dev/null
153 local initrd_="/boot/initrd.img-$KERNEL_VERSION_"
154 mv $initrd_ $PATH_/minirt26.gz
155 mv ${initrd_}.bak $initrd_
161 TMP_DIR_=`mktemp -td terminalserver_initrd.XXXXXX`
163 local tmp_loopname=''
165 # copying original initrd into $INITRD
166 execute "rm -r $INITRD_" 2>/dev/null
167 execute "cp $ORIGINAL_INITRD_ $TMP_DIR_/minirt26.gz" warn || return 1
168 execute "mkdir -p $INITRD_" warn || return 1
169 execute "mkdir -p $PATH_/mini-root.orig" warn || return 1
170 execute "gunzip $TMP_DIR_/minirt26.gz" warn || return 1
171 tmp_loopname=`findNextFreeLoop die`
172 execute "mount -o loop=$tmp_loopname $TMP_DIR_/minirt26 $PATH_/mini-root.orig " warn || return 1
173 execute "cp -a $PATH_/mini-root.orig/* $INITRD_" warn || return 1
174 execute "umount $PATH_/mini-root.orig" warn || return 1
175 losetup -d $tmp_loopname &>/dev/null
177 execute "rmdir $PATH_/mini-root.orig" warn || return 1
178 execute "rm $TMP_DIR_/minirt26" warn || return 1
180 # implanting my initrd changes into the original initrd
182 # copy programs, check if there are already links with this name to busybox
183 for i in $USR_SHARE_/timeout $USR_SHARE_/udhcp-config.sh $USR_SHARE_/cdir $USR_SHARE_/rdir; do
185 isNotExistent "$INITRD_/static/$tmp_name_" eprint || execute "rm $INITRD_/static/$tmp_name_"
186 cp $i "$INITRD_/static/$tmp_name_"
188 cp $USR_SHARE_/linuxrc $INITRD_/
189 mkdir -p $INITRD_/mylib
190 mkdir -p $INITRD_/myusr
193 # which modules should i put into the ramdisk
196 # find *all* network drivers, but do not include wlan/pcmcia/... related ones
197 # blacklist: proteon and depca as they seem to cause problems with udevsettle
198 find ${MODULES_PATH_}/${KERNEL_VERSION_}/kernel/drivers/net/ -name \*.ko | \
199 grep -v 'wireless\|wan\|hamradio\|wlan\|ppp\|irda\|pcmcia\|depca\|proteon' | \
200 sed 's#.*./## ; s#\.ko##' | sort | uniq > $CARDS_DETECTED_BY_DISCOVER
202 local modules="`cat $CARDS_DETECTED_BY_DISCOVER |xargs` af_packet"
205 # get paths of modules + paths of all dependent modules
207 for i in $modules; do
208 tmp_=`awk -F: '{if($1~/'"$i".ko'/) {print $0}}' $MODULES_PATH_/$KERNEL_VERSION_/modules.dep`
210 # FIXME ugly sed hack :(
211 echo "${tmp_#*:}" | xargs -n1 echo | sed 's/://'
213 | sort | uniq | while read module relax; do
214 if [ -n "$module" ]; then
215 echo "$module" >> $TMP_
219 # copy modules + dependend modules into ramdisk
220 local mod_path_="$INITRD_/mylib/modules/$KERNEL_VERSION_"
221 local tmp_dst_path_="$mod_path_/kernel"
222 mkdir -p $tmp_dst_path_
223 cat $TMP_ |sort |uniq |while read module; do
224 local tmp_path=${module#*/kernel/}
225 tmp_path=$tmp_dst_path_/${tmp_path%/*.ko}
226 local module_path=$tmp_path/${module##/*/}
228 isNotExistent "$tmp_path" dprint && mkdir -p "$tmp_path"
229 isNotExistent "$module_path" dprint && cp "$MODULES_PATH_ROOT_DIFF_/$module" "$module_path"
232 # copying additional modules
233 for i in fs/nfs/nfs.ko net/sunrpc/sunrpc.ko fs/lockd/lockd.ko net/packet/af_packet.ko; do
234 local tmp_path="$tmp_dst_path_/${i%/*}"
236 cp $MODULES_PATH_/$KERNEL_VERSION_/kernel/$i "$tmp_path"
240 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.dep $mod_path_
241 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.alias $mod_path_
242 #grep "^\/lib\/modules\/$KERNEL_VERSION_\/kernel\/" $MODULES_PATH_/$KERNEL_VERSION_/modules.dep |\
243 # sed "s/\/lib\/modules\/$KERNEL_VERSION_\/kernel\//\/modules\//g" > $mod_path_/modules.dep
245 # put everything into the new initrd
246 local tmp_size=`du -s $INITRD_ |awk '{print $1}'` # in kB
247 let tmp_size=$tmp_size+1000
249 if (( $tmp_size >= $max_size )); then
250 warn "Your initrd is $tmp_size kByte large => TOO BIG (should be <= ${max_size}kB)"
251 warn "Please remove a few modules from $CARDS_DETECTED_BY_DISCOVER or edit $INITRD_ manually"
255 execute "dd if=/dev/zero of=$TMP_DIR_/minirt26 bs=${tmp_size}k count=1 &>/dev/null" warn || \
256 warn "could not create filesystem image"
258 tmp_loopname=`findNextFreeLoop die`
259 execute "losetup $tmp_loopname $TMP_DIR_/minirt26" die
260 execute "mke2fs -L \"GRML NETINIT\" -b 1024 -N 8192 -O none -F -q -m 0 $tmp_loopname" warn
262 execute "mkdir $PATH_/minirt26_mountp" warn
263 execute "mount $tmp_loopname $PATH_/minirt26_mountp" warn
264 execute "cp -a $INITRD_/* $PATH_/minirt26_mountp" warn
265 execute "umount $PATH_/minirt26_mountp" warn
266 execute "losetup -d $tmp_loopname &>/dev/null" warn
267 execute "rmdir $PATH_/minirt26_mountp" warn
268 execute "gzip -9 $TMP_DIR_/minirt26" warn
269 execute "rm -r $INITRD_" warn
270 execute "mv $TMP_DIR_/minirt26.gz $PATH_"
271 execute "rm -fr $TMP_DIR_"
276 # INTERACTIVE CONFIGURATION {{{
278 function actionInteractive
282 dprint "running in interactive mode"
284 local card_title_="Choose network device connected to client network"
285 local card_message_="Available network devices:"
286 local iprange_title_="IP Address range for clients"
287 local iprange_message_="
288 Please enter the desired IP-Range of addresses that should be allocated by clients, separated by a single space.
291 192.168.0.101 192.168.0.200
293 for addresses from 192.168.0.101 to (and including) 192.168.0.200.
296 local runconfig_title_="Networkcard config"
297 local runconfig_message_="Would you like to configure your interfaces now?"
298 local grub_title_="Grub configuration"
299 local grub_message_="Do you have any NON-PXE network cards you would like to boot from?"
301 # on witch interfaces should we listen
302 local netdevices_="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
303 local device_list_=""
304 for INTERFACE_ in $netdevices_; do device_list_="$device_list_ ${INTERFACE_} Networkcard_${INTERFACE_##eth}"; done
306 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$card_title_" --menu "$card_message_" \
307 0 0 18 $device_list_ 2>"$TMP_" || warn "could not get network-interface"
308 INTERFACE_="$(<$TMP_)" ; echo -n "" >"$TMP_"
311 IP_=`netGetIp "$INTERFACE_" warn`
312 NETMASK_=`netGetNetmask "$INTERFACE_" warn`
313 netValidIp "$IP_" warn && break
314 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$runconfig_title_" --yesno "$runconfig_message_" 18 45 && \
315 netcardconfig || die "Could not get interface" $?
318 IPRANGE_FROM_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMin/{print $2}'`
319 IPRANGE_TO_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMax/{print $2}'`
320 NETWORK_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/Network:/{print $2}'`
321 NETWORK_=${NETWORK_%/*}
323 while [ -z "$IPRANGE_FROM_" -o -z "$IPRANGE_TO_" -o -z "$iprange_" ]; do
324 iprange_="$IPRANGE_FROM_ $IPRANGE_TO_"
326 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$iprange_title_ ($INTERFACE_=$IP_/$NETMASK_)" \
327 --inputbox "$iprange_message_" 18 75 "$iprange_" 2>"$TMP_" || die "problems getting network range" $?
330 IPRANGE_FROM_="${iprange_%% *}"
331 IPRANGE_TO_="${iprange_##* }"
333 for i in "$IPRANGE_FROM_" "$IPRANGE_TO_"; do
334 netValidIp "$i" warn || iprange_=""
338 NAMESERVERS_=`netGetNameservers warn`
339 GW_=`netGetDefaultGateway warn`
340 GW_DEV_=`/sbin/ip route get "$GW_" | awk '{ print $3; exit; }'`
341 if [ "$GW_DEV_" != "$INTERFACE_" ] && [ "$GW_DEV_" != "" ]; then
342 # GW_DEV_ of server is not the same device as the one serviced by dhcpd
343 # so it doesn't make sense to provide the GW_ address to the clients
345 local do_nat_title_="Network Address Translation"
346 local do_nat_message_="
347 Do you want to set up NAT so that clients booting from this
348 grml-terminalserver can use this machine also as gateway to
351 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$do_nat_title_" --yesno "$do_nat_message_" 15 75 || \
353 if [ "$do_nat_" = "YES" ]; then
354 # user wants NAT, we give the clients the server address as
357 NAT_INTERFACE_="$GW_DEV_"
359 # no NAT, no sensible gateway
368 local grub_write_="YES"
369 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno "$grub_message_" 5 75 && \
370 grubConfig || grub_write_="NO"
374 #local OPT_IPTABLES_="yes"
375 #local OPT_SSH_="yes"
376 #local OPT_DISTCC_="yes"
379 local OPTIONS_TITLE_="Options"
380 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
382 grml2hd - Make a non-interactive remote installation
387 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
389 #iptables - Only the server should be able to access the clients
390 #ssh - A ssh-key will be created on the server and distributed to the clients
391 #distcc - You want to use the clients as compile-farm (ssh options recommned)
395 local OPT_IPTABLES_DESC_="Start iptables on the clients"
396 local OPT_SSH_DESC_="Start ssh on the clients"
397 local OPT_DISTCC_DESC_="Start distcc on the clients"
398 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
399 # dialog options (enable if implemented)
400 #iptables "$OPT_IPTABLES_DESC_" off \
401 #ssh "$OPT_SSH_DESC_" off \
402 #distcc "$OPT_DISTCC_DESC_" off \
404 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
405 grml2hd "$OPT_GRML2HD_DESC_" off \
406 2>$TMP_ || die "could not get terminalserver options" $?
407 while read tmp_option_; do
408 OPTIONS_="$OPTIONS_ $tmp_option_"
412 for i in $OPTIONS_; do
414 grml2hd) optGrml2Hd || return 1 ;;
419 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
421 Quite usefull examples:
423 ssh=<pw> - Start ssh server and set password of user grml to pw
424 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
425 console=ttyS0,9600n8 - Initialise serial console
430 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
431 2>$TMP_ || die "problems getting additional boot arguments"
432 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
435 if [ $grub_write_ == "YES" ]; then
439 notice "GRML terminalserver successfully configured"
443 # OPTIONS GETTING DIALOG {{{
446 local GRML2HD_TITLE_='Grml2hd options dialog'
448 local options_='BOOT_IMAGE=grml2hd'
450 # get partition to install grml2hd on
451 OPTIONS_PARTITION_MSG_='Please give me the target partition where to install grml'
452 PARTITION_TITLE_='Partition selection'
454 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
455 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
456 tmp_="partition=$(<$TMP_)"
457 options_="$options_ $tmp_"
459 # get filesystem type
460 OPTION_FS_TYPE_='Please give me the filesystem type'
461 FS_TITLE_='Filesystem selection'
463 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
464 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
465 tmp_="filesystem=$(<$TMP_)"
466 options_="$options_ $tmp_"
468 # get where to save mbr
469 OPTION_MBR_='Please give me the location where to save the mbr'
470 MBR_TITLE_='Select location of mbr'
472 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
473 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
475 options_="$options_ $tmp_"
478 OPTION_USER_='Who should be the first user on the system'
479 USER_TITLE_='User selection'
481 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
482 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
483 tmp_="user=$(<$TMP_)"
484 options_="$options_ $tmp_"
486 BOOT_ARGS_="$options_"
493 local tmp_=`mktemp -td terminalserver_grub.XXXXXX` || warn "could not create tmp file for grubConfig"
494 if [ -z "$tmp_" ]; then return 1; fi
496 grubConfigWork "$tmp_" "$1"
498 execute "rm -rf $tmp_" warn
503 function grubConfigWork
507 local grub_title_="Grub configuration"
508 local grub_nic_message_="
509 Please select the types of network cards you want to boot from.
510 If your networkcard is already listed just press <OK>!
512 WARNING: Do NOT add all NICs, grub could possibly stop working!"
515 if [[ $2 == "" ]]; then
516 while read module_ desc_ mode_; do
517 nics_="$nics_ $module_ $desc_ $mode_"
518 done < $GRUB_NIC_CONF_
522 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$grub_title_" --checklist \
523 "$grub_nic_message_" 10 70 0 $nics_ 2>$TMP_
525 if [[ $ret_ -ne 0 ]]; then
526 die "exiting as requested"
528 if [[ `wc -l <$TMP_` -eq 0 ]]; then
530 warn "you should give me your specified NICs but didn't => DEFAULT will be used"
531 awk '/ on$/{print $1}' $GRUB_NIC_CONF_ >$TMP_
536 while read module_; do
537 cmd_line_="$cmd_line_ --enable-$module_"
540 echo "\"$cmd_line_\""
542 execute "tar xzf $GRUB_SOURCE_ -C $tmp_" warn || return 1
544 execute "cd $tmp_/grub*" warn || return 1
545 cat >preset-menu <<EOT
546 # Set up the serial terminal, first of all.
547 #serial --unit=0 --speed=19200
548 #terminal --timeout=0 serial
550 # Initialize the network.
551 #dhcp --with-configfile
552 #bootp --with-configfile
556 title Load config from Tftp server
557 configfile (nd)/menu.lst
561 test -r /lib64 && export CC="$CC -m32"
563 CC="$CC" execute "./configure --enable-preset-menu=./preset-menu $cmd_line_" warn || read
564 CC="$CC" execute "make -j2" warn || read #return 1
566 local st1_="stage1/stage1"
567 local st2_="stage2/stage2"
568 isExistent $st1_ warn || return 1
569 isExistent $st2_ warn || return 1
571 if [ -r "$PATH_/grub.img" ] ; then
572 execute "mv -fb $PATH_/grub.img $PATH_/grub.img.old"
575 execute "cat $st1_ $st2_ > $PATH_/grub.img" warn || return 1
584 local grub_title_="Grub configuration"
585 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno \
586 "Do you want to write your grub image to /dev/fd0" 5 75 || return 1
588 execute "dd if=$PATH_/grub.img of=/dev/fd0" warn || return 0
592 function grubMultiWrite
594 local target_=${1:-'/dev/fd0'}
596 isExistent "$PATH_/grub.img" die "you must give me an image or run \"$PROG_NAME__ grubconf\""
597 isExistent "$target_" die "$target_ is not a valied"
599 echo -n "Please insert disk into $target_ and press <ENTER> (STRG-C for end)"
601 dd if=$PATH_/grub.img of="$target_"
607 function removeTmpFiles
609 execute "rm -f $TMP_" warn
614 for i in dhcpd.conf grub.img minirt26.gz; do
615 execute "rm -f $PATH_/$i*"
618 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
629 while getopts "i:hv" opt; do
631 i) interface_=$OPTARG ;;
632 h) printUsage; exit ;;
633 v) let verbose_=$verbose_+1 ;;
634 ?) printUsage; exit 64 ;;
637 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
641 help) printUsage; exit 0 ;;
644 checkRoot die 'You have to be root to use this program'
647 execute "mkdir -p $PATH_" die
649 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
650 setExitFunction 'removeTmpFiles'
657 # MODULES_PATH_ROOT_DIFF_
660 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
661 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
662 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
663 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
664 die "False configuration, please update $CONFIG_"
669 interactive) actionInteractive ;;
670 grubConf) grubConfig "$2" ;;
671 grubConfWrite) grubConfig && grubWrite ;;
672 grubWrite) grubWrite ;;
673 grubMultiWrite) grubMultiWrite "$2" ;;
674 initrd) actionMkInitrd ;;
675 clean) actionClean ;;
676 *) actionInteractive ;;
681 ################################################################################
682 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2