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_"
126 function actionMkInitrd
128 echo -n "Creating initrd $PATH_/minirt26.gz: "
129 isExistent "$PATH_/minirt26.gz" && echo && echo "$PATH_/minirt26.gz exists already, skipping initrd creation" && return 0
136 TMP_DIR_=`mktemp -td terminalserver_initrd.XXXXXX`
138 local tmp_loopname=''
140 # copying original initrd into $INITRD
141 execute "rm -r $INITRD_" 2>/dev/null
142 execute "cp $ORIGINAL_INITRD_ $TMP_DIR_/minirt26.gz" warn || return 1
143 execute "mkdir -p $INITRD_" warn || return 1
144 execute "mkdir -p $PATH_/mini-root.orig" warn || return 1
145 execute "gunzip $TMP_DIR_/minirt26.gz" warn || return 1
146 tmp_loopname=`findNextFreeLoop die`
147 execute "mount -o loop=$tmp_loopname $TMP_DIR_/minirt26 $PATH_/mini-root.orig " warn || return 1
148 execute "cp -a $PATH_/mini-root.orig/* $INITRD_" warn || return 1
149 execute "umount $PATH_/mini-root.orig" warn || return 1
150 losetup -d $tmp_loopname &>/dev/null
152 execute "rmdir $PATH_/mini-root.orig" warn || return 1
153 execute "rm $TMP_DIR_/minirt26" warn || return 1
155 # implanting my initrd changes into the original initrd
157 # copy programs, check if there are already links with this name to busybox
158 for i in $USR_SHARE_/timeout $USR_SHARE_/udhcp-config.sh $USR_SHARE_/cdir $USR_SHARE_/rdir; do
160 isNotExistent "$INITRD_/static/$tmp_name_" eprint || execute "rm $INITRD_/static/$tmp_name_"
161 cp $i "$INITRD_/static/$tmp_name_"
163 cp $USR_SHARE_/linuxrc $INITRD_/
164 mkdir -p $INITRD_/mylib
165 mkdir -p $INITRD_/myusr
168 # which modules should i put into the ramdisk
171 # find *all* network drivers, but do not include wlan/pcmcia/... related ones
172 # blacklist: proteon and depca as they seem to cause problems with udevsettle
173 find ${MODULES_PATH_}/${KERNEL_VERSION_}/kernel/drivers/net/ -name \*.ko | \
174 grep -v 'wireless\|wan\|hamradio\|wlan\|ppp\|irda\|pcmcia\|depca\|proteon' | \
175 sed 's#.*./## ; s#\.ko##' | sort | uniq > $CARDS_DETECTED_BY_DISCOVER
177 local modules="`cat $CARDS_DETECTED_BY_DISCOVER |xargs` af_packet"
180 # get paths of modules + paths of all dependent modules
182 for i in $modules; do
183 tmp_=`awk -F: '{if($1~/'"$i".ko'/) {print $0}}' $MODULES_PATH_/$KERNEL_VERSION_/modules.dep`
185 # FIXME ugly sed hack :(
186 echo "${tmp_#*:}" | xargs -n1 echo | sed 's/://'
188 | sort | uniq | while read module relax; do
189 if [ -n "$module" ]; then
190 echo "$module" >> $TMP_
194 # copy modules + dependend modules into ramdisk
195 local mod_path_="$INITRD_/mylib/modules/$KERNEL_VERSION_"
196 local tmp_dst_path_="$mod_path_/kernel"
197 mkdir -p $tmp_dst_path_
198 cat $TMP_ |sort |uniq |while read module; do
199 local tmp_path=${module#*/kernel/}
200 tmp_path=$tmp_dst_path_/${tmp_path%/*.ko}
201 local module_path=$tmp_path/${module##/*/}
203 isNotExistent "$tmp_path" dprint && mkdir -p "$tmp_path"
204 isNotExistent "$module_path" dprint && cp "$MODULES_PATH_ROOT_DIFF_/$module" "$module_path"
207 # copying additional modules
208 for i in fs/nfs/nfs.ko net/sunrpc/sunrpc.ko fs/lockd/lockd.ko net/packet/af_packet.ko; do
209 local tmp_path="$tmp_dst_path_/${i%/*}"
211 cp $MODULES_PATH_/$KERNEL_VERSION_/kernel/$i "$tmp_path"
215 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.dep $mod_path_
216 cp $MODULES_PATH_/$KERNEL_VERSION_/modules.alias $mod_path_
217 #grep "^\/lib\/modules\/$KERNEL_VERSION_\/kernel\/" $MODULES_PATH_/$KERNEL_VERSION_/modules.dep |\
218 # sed "s/\/lib\/modules\/$KERNEL_VERSION_\/kernel\//\/modules\//g" > $mod_path_/modules.dep
220 # put everything into the new initrd
221 local tmp_size=`du -s $INITRD_ |awk '{print $1}'` # in kB
222 let tmp_size=$tmp_size+1000
224 if (( $tmp_size >= $max_size )); then
225 warn "Your initrd is $tmp_size kByte large => TOO BIG (should be <= ${max_size}kB)"
226 warn "Please remove a few modules from $CARDS_DETECTED_BY_DISCOVER or edit $INITRD_ manually"
230 execute "dd if=/dev/zero of=$TMP_DIR_/minirt26 bs=${tmp_size}k count=1 &>/dev/null" warn || \
231 warn "could not create filesystem image"
233 tmp_loopname=`findNextFreeLoop die`
234 execute "losetup $tmp_loopname $TMP_DIR_/minirt26" die
235 execute "mke2fs -L \"GRML NETINIT\" -b 1024 -N 8192 -O none -F -q -m 0 $tmp_loopname" warn
237 execute "mkdir $PATH_/minirt26_mountp" warn
238 execute "mount $tmp_loopname $PATH_/minirt26_mountp" warn
239 execute "cp -a $INITRD_/* $PATH_/minirt26_mountp" warn
240 execute "umount $PATH_/minirt26_mountp" warn
241 execute "losetup -d $tmp_loopname &>/dev/null" warn
242 execute "rmdir $PATH_/minirt26_mountp" warn
243 execute "gzip -9 $TMP_DIR_/minirt26" warn
244 execute "rm -r $INITRD_" warn
245 execute "mv $TMP_DIR_/minirt26.gz $PATH_"
246 execute "rm -fr $TMP_DIR_"
251 # INTERACTIVE CONFIGURATION {{{
253 function actionInteractive
257 dprint "running in interactive mode"
259 local card_title_="Choose network device connected to client network"
260 local card_message_="Available network devices:"
261 local iprange_title_="IP Address range for clients"
262 local iprange_message_="
263 Please enter the desired IP-Range of addresses that should be allocated by clients, separated by a single space.
266 192.168.0.101 192.168.0.200
268 for addresses from 192.168.0.101 to (and including) 192.168.0.200.
271 local runconfig_title_="Networkcard config"
272 local runconfig_message_="Would you like to configure your interfaces now?"
273 local grub_title_="Grub configuration"
274 local grub_message_="Do you have any NON-PXE network cards you would like to boot from?"
276 # on witch interfaces should we listen
277 local netdevices_="$(cat /proc/net/dev | awk -F: '/eth.:|tr.:/{print $1}')"
278 local device_list_=""
279 for INTERFACE_ in $netdevices_; do device_list_="$device_list_ ${INTERFACE_} Networkcard_${INTERFACE_##eth}"; done
281 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$card_title_" --menu "$card_message_" \
282 0 0 18 $device_list_ 2>"$TMP_" || warn "could not get network-interface"
283 INTERFACE_="$(<$TMP_)" ; echo -n "" >"$TMP_"
286 IP_=`netGetIp "$INTERFACE_" warn`
287 NETMASK_=`netGetNetmask "$INTERFACE_" warn`
288 netValidIp "$IP_" warn && break
289 $DIALOG_ --backtitle "$BACK_TITLE_" --title "$runconfig_title_" --yesno "$runconfig_message_" 18 45 && \
290 netcardconfig || die "Could not get interface" $?
293 IPRANGE_FROM_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMin/{print $2}'`
294 IPRANGE_TO_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/HostMax/{print $2}'`
295 NETWORK_=`execute "ipcalc -nb $IP_/$NETMASK_" warn |awk '/Network:/{print $2}'`
296 NETWORK_=${NETWORK_%/*}
298 while [ -z "$IPRANGE_FROM_" -o -z "$IPRANGE_TO_" -o -z "$iprange_" ]; do
299 iprange_="$IPRANGE_FROM_ $IPRANGE_TO_"
301 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$iprange_title_ ($INTERFACE_=$IP_/$NETMASK_)" \
302 --inputbox "$iprange_message_" 18 75 "$iprange_" 2>"$TMP_" || die "problems getting network range" $?
305 IPRANGE_FROM_="${iprange_%% *}"
306 IPRANGE_TO_="${iprange_##* }"
308 for i in "$IPRANGE_FROM_" "$IPRANGE_TO_"; do
309 netValidIp "$i" warn || iprange_=""
313 NAMESERVERS_=`netGetNameservers warn`
314 GW_=`netGetDefaultGateway warn`
315 GW_DEV_=`/sbin/ip route get "$GW_" | awk '{ print $3; exit; }'`
316 if [ "$GW_DEV_" != "$INTERFACE_" ] && [ "$GW_DEV_" != "" ]; then
317 # GW_DEV_ of server is not the same device as the one serviced by dhcpd
318 # so it doesn't make sense to provide the GW_ address to the clients
320 local do_nat_title_="Network Address Translation"
321 local do_nat_message_="
322 Do you want to set up NAT so that clients booting from this
323 grml-terminalserver can use this machine also as gateway to
326 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$do_nat_title_" --yesno "$do_nat_message_" 15 75 || \
328 if [ "$do_nat_" = "YES" ]; then
329 # user wants NAT, we give the clients the server address as
332 NAT_INTERFACE_="$GW_DEV_"
334 # no NAT, no sensible gateway
343 local grub_write_="YES"
344 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno "$grub_message_" 5 75 && \
345 grubConfig || grub_write_="NO"
349 #local OPT_IPTABLES_="yes"
350 #local OPT_SSH_="yes"
351 #local OPT_DISTCC_="yes"
354 local OPTIONS_TITLE_="Options"
355 local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
357 grml2hd - Make a non-interactive remote installation
362 # local OPTIONS_MESSAGE_="Please give the appropriate options you want the clients to use:
364 #iptables - Only the server should be able to access the clients
365 #ssh - A ssh-key will be created on the server and distributed to the clients
366 #distcc - You want to use the clients as compile-farm (ssh options recommned)
370 local OPT_IPTABLES_DESC_="Start iptables on the clients"
371 local OPT_SSH_DESC_="Start ssh on the clients"
372 local OPT_DISTCC_DESC_="Start distcc on the clients"
373 local OPT_GRML2HD_DESC_="Remote install grml on the network clients"
374 # dialog options (enable if implemented)
375 #iptables "$OPT_IPTABLES_DESC_" off \
376 #ssh "$OPT_SSH_DESC_" off \
377 #distcc "$OPT_DISTCC_DESC_" off \
379 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --checklist "$OPTIONS_MESSAGE_" 25 80 10 \
380 grml2hd "$OPT_GRML2HD_DESC_" off \
381 2>$TMP_ || die "could not get terminalserver options" $?
382 while read tmp_option_; do
383 OPTIONS_="$OPTIONS_ $tmp_option_"
387 for i in $OPTIONS_; do
389 grml2hd) optGrml2Hd || return 1 ;;
394 local OPTIONS_BOOTARG_MESSAGE_="Here you can add additional boot arguments for the clients seperated by spaces:
396 Quite usefull examples:
398 ssh=<pw> - Start ssh server and set password of user grml to pw
399 services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
400 console=ttyS0,9600n8 - Initialise seriell console
401 secure - Boot only restricted clients (without root permissions)
402 startx - Boot into X (should be used with secure)
406 $DIALOG_ --clear --no-collapse --backtitle "$BACK_TITLE_" --title "$OPTIONS_TITLE_" --inputbox "$OPTIONS_BOOTARG_MESSAGE_" 0 0\
407 2>$TMP_ || die "problems getting additional boot arguments"
408 BOOT_ARGS_="$BOOT_ARGS_ $(<$TMP_)"
411 if [ $grub_write_ == "YES" ]; then
415 notice "GRML terminalserver successfully configured"
419 # OPTIONS GETTING DIALOG {{{
422 local GRML2HD_TITLE_='Grml2hd options dialog'
424 local options_='BOOT_IMAGE=grml2hd'
426 # get partition to install grml2hd on
427 OPTIONS_PARTITION_MSG_='Please give me the target partition where to install grml'
428 PARTITION_TITLE_='Partition selection'
430 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$PARTITION_TITLE_" --inputbox \
431 "$OPTIONS_PARTITION_MSG_" 0 75 '/dev/hda1' 2>$TMP_ || die "problems getting partition"
432 tmp_="partition=$(<$TMP_)"
433 options_="$options_ $tmp_"
435 # get filesystem type
436 OPTION_FS_TYPE_='Please give me the filesystem type'
437 FS_TITLE_='Filesystem selection'
439 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$FS_TITLE_" --inputbox \
440 "$OPTION_FS_TYPE_" 0 75 'ext3' 2>$TMP_ || die "problems getting filesystem type"
441 tmp_="filesystem=$(<$TMP_)"
442 options_="$options_ $tmp_"
444 # get where to save mbr
445 OPTION_MBR_='Please give me the location where to save the mbr'
446 MBR_TITLE_='Select location of mbr'
448 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$MBR_TITLE_" --inputbox \
449 "$OPTION_MBR_" 0 75 '/dev/hda' 2>$TMP_ || die "problems getting location where to write mbr"
451 options_="$options_ $tmp_"
454 OPTION_USER_='Who should be the first user on the system'
455 USER_TITLE_='User selection'
457 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$USER_TITLE_" --inputbox \
458 "$OPTION_USER_" 0 75 'grml' 2>$TMP_ || die "problems getting first user of system"
459 tmp_="user=$(<$TMP_)"
460 options_="$options_ $tmp_"
462 BOOT_ARGS_="$options_"
469 local tmp_=`mktemp -td terminalserver_grub.XXXXXX` || warn "could not create tmp file for grubConfig"
470 if [ -z "$tmp_" ]; then return 1; fi
472 grubConfigWork "$tmp_" "$1"
474 execute "rm -rf $tmp_" warn
479 function grubConfigWork
483 local grub_title_="Grub configuration"
484 local grub_nic_message_="
485 Give me the types of network cards you would want to boot from.
486 If you networkcard is already listed press <OK>!
488 WARNING: DON't add all NIC's, grub could possibly stop working!!"
491 if [[ $2 == "" ]]; then
492 while read module_ desc_ mode_; do
493 nics_="$nics_ $module_ $desc_ $mode_"
494 done < $GRUB_NIC_CONF_
498 $DIALOG_ --clear --separate-output --backtitle "$BACK_TITLE_" --title "$grub_title_" --checklist \
499 "$grub_nic_message_" 10 70 0 $nics_ 2>$TMP_
501 if [[ $ret_ -ne 0 || `wc -l <$TMP_` -eq 0 ]]; then
503 warn "you should give me your specified NICs but didn't => DEFAULT will be used"
504 awk '/ on$/{print $1}' $GRUB_NIC_CONF_ >$TMP_
509 while read module_; do
510 cmd_line_="$cmd_line_ --enable-$module_"
513 echo "\"$cmd_line_\""
515 execute "tar xzf $GRUB_SOURCE_ -C $tmp_" warn || return 1
516 execute "cd $tmp_/grub*" warn || return 1
517 cat >preset-menu <<EOT
518 # Set up the serial terminal, first of all.
519 #serial --unit=0 --speed=19200
520 #terminal --timeout=0 serial
522 # Initialize the network.
523 #dhcp --with-configfile
524 #bootp --with-configfile
528 title Load config from Tftp server
529 configfile (nd)/menu.lst
531 #execute "./configure --enable-diskless --enable-preset-menu=./preset-menu $cmd_line_" warn || read
532 if [ -x /usr/bin/gcc-3.4 ] ; then
534 else # assume we have gcc-3.3
537 [ -r /lib64 ] && export CC="$CC -m32"
539 CC="$CC" execute "./configure --enable-preset-menu=./preset-menu $cmd_line_" warn || read
540 CC="$CC" execute "make -j2" warn || read #return 1
542 local st1_="stage1/stage1"
543 local st2_="stage2/stage2"
544 isExistent $st1_ warn || return 1
545 isExistent $st2_ warn || return 1
547 execute "mv -fb $PATH_/grub.img $PATH_/grub.img.old"
548 execute "cat $st1_ $st2_ > $PATH_/grub.img" warn || return 1
554 local grub_title_="Grub configuration"
555 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "$grub_title_" --yesno \
556 "Do you want to write your grub image to /dev/fd0" 5 75 || return 1
558 execute "dd if=$PATH_/grub.img of=/dev/fd0" warn || return 0
562 function grubMultiWrite
564 local target_=${1:-'/dev/fd0'}
566 isExistent "$PATH_/grub.img" die "you must give me an image or run \"$PROG_NAME__ grubconf\""
567 isExistent "$target_" die "$target_ is not a valied"
569 echo -n "Please insert disk into $target_ and press <ENTER> (STRG-C for end)"
571 dd if=$PATH_/grub.img of="$target_"
577 function removeTmpFiles
579 execute "rm -f $TMP_" warn
584 for i in dhcpd.conf grub.img minirt26.gz; do
585 execute "rm -f $PATH_/$i*"
588 for i in $CARDS_DETECTED_BY_DISCOVER $CONF_FILE_; do
599 while getopts "i:hv" opt; do
601 i) interface_=$OPTARG ;;
602 h) printUsage; exit ;;
603 v) let verbose_=$verbose_+1 ;;
604 ?) printUsage; exit 64 ;;
607 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
611 help) printUsage; exit 0 ;;
614 checkRoot die 'You have to be root to use this program'
617 execute "mkdir -p $PATH_" die
619 TMP_=`mktemp -t grml-terminalserver-config.XXXXXX` || die "Could not create tmpfile" $?
620 setExitFunction 'removeTmpFiles'
627 # MODULES_PATH_ROOT_DIFF_
630 if [[ $MODULES_PATH_ == "" || $KERNEL_VERSION_ == "" || $ORIGINAL_INITRD_ == "" ]]; then
631 warn "MODULES_PATH_=\"$MODULES_PATH_\" \
632 KERNEL_VERSION_=\"$KERNEL_VERSION_\" \
633 ORIGINAL_INITRD_=\"$ORIGINAL_INITRD_\""
634 die "False configuration, please update $CONFIG_"
639 interactive) actionInteractive ;;
640 grubConf) grubConfig "$2" ;;
641 grubConfWrite) grubConfig && grubWrite ;;
642 grubWrite) grubWrite ;;
643 grubMultiWrite) grubMultiWrite "$2" ;;
644 initrd) actionMkInitrd ;;
645 clean) actionClean ;;
646 *) actionInteractive ;;
651 ################################################################################
652 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2