2 # Filename: terminalserver
3 # Purpose: Program to do something
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: Sat Aug 06 14:14:40 CEST 2005
8 ################################################################################
15 #. /etc/grml/sysexits-sh
26 # this file holds all variable definitions
27 SHARED_PROG_VARS_="/usr/share/grml-terminalserver/shared_prog_vars"
28 isExistent $SHARED_PROG_VARS_ die
39 Usage: "$PROG_NAME__" [OPTIONS] <command>
41 $PROG_NAME__ is the config program for the terminalserver
46 start <service> Start services (if all services are started, configs will be updated)
47 stop <service> Stop services
48 config <service> Update config of given service (or from all if no services given)
49 clean Stop all + remove config and boot files from services
55 nfs All necessary nfs daemons
59 -v verbose (show what is going on, v++)
66 function killPortmapper
68 /etc/init.d/portmap stop >/dev/null &>/dev/null
69 killall -9 portmap &>/dev/null
73 function createDhcpConf
75 if [ -e "$DHCPD_CONFIG_FILE_" ]; then
76 if grep $CONFIG_PATTERN_ $DHCPD_CONFIG_FILE_ &>/dev/null; then
77 execute "mv -fb \"$DHCPD_CONFIG_FILE_\" \"$DHCPD_CONFIG_FILE_.old\"" eprint &>/dev/null
78 execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
80 if [[ $FORCE_ == "true" ]]; then
81 execute "mv -fb \"$DHCPD_CONFIG_FILE_\" \"$DHCPD_CONFIG_FILE_.old\"" eprint &>/dev/null
82 execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
84 warn "Not updating user edited configfile $DHCPD_CONFIG_FILE_, user -f to override"
88 execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
92 function removeDhcpConf
94 if [ -e "$DHCPD_CONFIG_FILE_" ]; then
95 if grep $CONFIG_PATTERN_ $DHCPD_CONFIG_FILE_ &>/dev/null; then
96 rm -f "$DHCPD_CONFIG_FILE_"
98 if [[ $FORCE_ == "true" ]]; then
99 rm -f "$DHCPD_CONFIG_FILE_"
101 warn "Not deleting user edited configfile $DHCPD_CONFIG_FILE_, user -f to override"
110 start-stop-daemon --stop --quiet --pidfile "$DHCPD_PID_"
112 rm -f /var/lib/dhcp3/dhcpd.leases* 2>/dev/null #FIXME
113 touch /var/lib/dhcp3/dhcpd.leases
118 local conf_file_="$DHCPD_CONFIG_FILE_"
120 test -f $DHCPD_BIN_ || die "could not find dhcpd \"$DHCPD_BIN_\""
121 start-stop-daemon --start --quiet --pidfile "$DHCPD_PID_" \
122 --exec "$DHCPD_BIN_" -- -cf "$conf_file_" -q "$INTERFACE_" || warn "problems starting dhcpd"
127 isExistent "$DHCPD_CONFIG_FILE_" || \
128 warn "no config for dhcpd: \"$DHCPD_CONFIG_FILE_\" => not starting dhcpd" || return 1
137 if [ -x /sbin/iptables ] ; then
138 if [[ "$NAT_INTERFACE_" != "none" ]]; then
139 local nat_source_ip_=`netGetIp "$NAT_INTERFACE_" warn`
141 if iptables -t nat -vnL POSTROUTING | grep -q "SNAT.*${NAT_INTERFACE_}.*to:${nat_source_ip_}" ; then
142 echo "Rule for SNAT already present, nothing to be done."
144 echo "Setting up SNAT for terminalserver clients on ${NAT_INTERFACE_}:"
145 echo "* iptables -t nat -F POSTROUTING"
146 echo -n "* iptables -t nat -A POSTROUTING -o $NAT_INTERFACE_ -j SNAT --to-source $nat_source_ip_ ... "
147 { iptables -t nat -F POSTROUTING && \
148 iptables -t nat -A POSTROUTING -o "$NAT_INTERFACE_" -j SNAT --to-source "$nat_source_ip_" ; } && \
149 echo done || echo failed
151 if [ `cat /proc/sys/net/ipv4/ip_forward` -eq 1 ]; then
152 echo "IP-Forwarding already enabled, nothing to be done."
154 echo -n "Enabling IP-Forwarding: "
155 echo 1 > /proc/sys/net/ipv4/ip_forward && echo done || echo failed
159 warn "iptables executable not avilable"
165 function removeTftpConf
167 rm -rf $TFTPD_DATA_DIR_/*
169 function createTftpConf
173 execute "mkdir -p $TFTPD_DATA_DIR_/pxelinux.cfg" die
174 execute "install -m 644 /usr/lib/syslinux/pxelinux.0 $TFTPD_DATA_DIR_" die
175 execute "install -m 644 $PATH_/minirt26.gz $TFTPD_DATA_DIR_" die
176 execute "install -m 644 $KERNEL_IMAGE_ $TFTPD_DATA_DIR_/linux26" die
177 execute "install -m 644 $MEMTEST_IMAGE_ $TFTPD_DATA_DIR_/memtest" die
178 execute "install -m 644 $PXE_BOOT_MSG_ $TFTPD_DATA_DIR_" die
179 execute "install -m 644 $PXE_BOOT_LOGO_ $TFTPD_DATA_DIR_" die
181 execute "source $TEMPLATE_CONFIG_DIR_/grub-pxelinux_config" die
186 start-stop-daemon --stop --quiet -p "$TFTPD_PID_"
190 test -f $TFTPD_BIN_ || die "could not find \"$TFTPD_BIN_\""
191 start-stop-daemon --start --quiet --exec "$TFTPD_BIN_" -- --daemon --no-multicast --pidfile "$TFTPD_PID_" --bind-address "$IP_" "$TFTPD_DATA_DIR_" || \
192 warn "problems starting tftpd server"
204 function createNfsConfig
206 execute "exportfs -o ro,no_root_squash,async,nohide $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
209 function removeNfsConfig
211 execute "exportfs -u -o ro,no_root_squash,async,nohide $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
216 /etc/init.d/portmap start
217 /etc/init.d/nfs-common start
218 # FIXME /etc/init.d/nfs-kernel-server start
219 $USR_SHARE_/nfs-kernel-server start
226 if [[ `exportfs |wc -l` > 0 ]]; then
227 dprint "There are other exports, not stopping NFS serivces"
229 /etc/init.d/nfs-kernel-server stop >/dev/null 2>&1
230 /etc/init.d/nfs-common stop >/dev/null 2>&1
237 function createConfig
240 execute "sed -i 's/^ALL/\#ALL/' /etc/hosts.deny" warn
241 execute "sed -i 's/^ALL : ALL@ALL : DENY/ALL : ALL@ALL : ALLOW/' /etc/hosts.allow" warn
251 echo -n "Starting tftpd: "
252 runTftp && echo done || echo failed
254 echo -n "Starting dhcpd: "
255 runDhcp && echo done || echo failed
259 echo "Finally starting nfs services..."
260 startNfs && echo "Sucessfully finished startup of grml-terminalserver." || echo 'Startup of grml-terminalserver-config failed!'
268 notice "Terminal-server stopped"
279 function updateConfig
285 tftp) createTftpConf ;;
286 dhcp) createDhcpConf ;;
287 nfs) removeNfsConfig; createNfsConfig ;;
288 *) warn "Service $service_ not available" ;;
293 function serviceStart
295 local service_="$1" # service to start, if nothing => all
302 *) warn "Service $service_ not available" ;;
308 local service_="$1" # service to stop, if nothing => all
315 *) warn "Service $service_ not available" ;;
324 while getopts "fi:hv" opt; do
327 h) printUsage; exit ;;
328 v) let verbose_=$verbose_+1 ;;
329 ?) printUsage; exit 64 ;;
332 shift $(($OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
336 help) printUsage; exit 0 ;;
339 checkRoot die "You have to be root to use this program"
342 isExistent $DEFAULT_CONFIG_ die
351 if [[ $MOUNT_POINT_ == "" || $KERNEL_IMAGE_ == "" || $MEMTEST_IMAGE_ == "" || \
352 $PXE_BOOT_MSG_ == "" || $PXE_BOOT_MSG_ == "" ]]; then
353 warn "MOUNT_POINT_=\"$MOUNT_POINT_\" \
354 KERNEL_IMAGE_=\"$KERNEL_IMAGE_\" \
355 MEMTEST_IMAGE_=\"$MEMTEST_IMAGE_\"
356 PXE_BOOT_MSG_=\"$PXE_BOOT_MSG_\"
357 PXE_BOOT_LOGO_=\"$PXE_BOOT_LOGO_\""
358 die "False configuration, please update $CONFIG_"
362 clean) actionClean; exit 0 ;;
367 isExistent "$CONF_FILE_" warn "sorry configfile \"$CONF_FILE_\" not found"
368 if [ $? -eq 1 ]; then
369 $CONFIG_PROG_ && continue
370 $DIALOG_ --clear --backtitle "$BACK_TITLE_" --title "Question" --yesno \
371 "grml-terminalserver-config returned an error, do you want to quit now?" 5 75 && exit 1
378 # check for necessary files
379 check_necessary_files_='no'
380 if [ "$1" == 'start' ]; then
382 tftp|"") check_necessary_files_='yes' ;;
385 if [ $check_necessary_files_ == 'yes' ]; then
386 # test for files absolutly necessary for grml-terminalserver and created from -config
388 for i in $PATH_/minirt26.gz; do
389 isExistent $i warn || problem_=1
391 if [ $problem_ -eq 1 ]; then
392 die 'Some necessary files are missing, please rerun grml-terminalserver-config, or copy the files manually'
398 start) serviceStart "$2" ;;
399 stop) serviceStop "$2" ;;
400 config) updateConfig "$2" ;;
406 ################################################################################
407 # vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2