#!/bin/sh # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License, Version 1.0 only # (the "License"). You may not use this file except in compliance # with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # simple script to mount and share CDROM images # # History: # 24.10.2005 v1.00 /bs initial release # 26.10.2005 v1.01 /bs added support for symbolic links # 27.08.2009 v1.02 /bs corrected a syntax error # # Author # Bernd.Schemmer@gmx.de # # Defined return codes: # # 0 - everything okay # 1 - usage message printed and exit # # # # --------------------------------------- # # save the parameter # ACTION="$1" [ $# -ne 0 ] && shift ACTION_PARAMETER="$*" # --------------------------------------- # # predefined variables # # return code of the script main_RC=0 __TRUE=0 __FALSE=1 __EXIT_VIA_DIE=${__FALSE} # # set __VERBOSE to __TRUE for debugging (use LogInfo for debugging messages) # __VERBOSE=${__FALSE} __THISSCRIPT=` basename $0` # # change the name of the logfile to your need; use __LOGFILE="" # to suppress using a logfile at all # __LOGFILE="/var/tmp/${__THISSCRIPT}.log" __HOSTNAME=` uname -n ` __OS=` uname -s ` # __OS_VERSION - Operating system version (e.g 5.8) # __OS_VERSION=` uname -r ` __RUNLEVEL=`who -r | tr -s " " | cut -f8 -d " " ` # # set __USER_BREAK_ALLOWED to __FALSE to suppress user aborts with CTRL-C # __USER_BREAK_ALLOWED=${__TRUE} # set to the name of the application to start/stop with this script # __APPLICATION="myapplication" # --------------------------------------- # # define variables here # # Note: Do not use leading underscores (__) for variable names - # these names are reserved for internal variables # # # config file; see below for the format of the config file entries # CONF_FILE="/etc/share_cdrom_images.conf" TEMP_FILE="/tmp/share_cdrom_images.$$.temp" # default mount options DEF_MOUNT_OPTIONS="-F hsfs -o ro" # default share options DEF_SHARE_OPTIONS="-o ro" # # default cdrom images and mount points # # use NO for the mount options if you don't want to mount the file # use NO for the share options if you don't want to share the file # DEF_IMAGE_FILES="# # image file mount point mount options share options alias # -------------------------------------------------------------------------------------------------------------------------- ${CDROM_IMG_DIR}/soltools.img ; /export/install/soltools ; - ; - ; perftools ${CDROM_IMG_DIR}/sol-9-u6-supp.img ; /export/install/sol9_supplement ; - ; - ; sol9sup ${CDROM_IMG_DIR}/software_companion_sparc_sol9.img ; /export/install/sol9_companion ; - ; - ; sol9comp ${CDROM_IMG_DIR}/software_companion_sparc_sol10.img ; /export/install/sol10_companion ; - ; - ; sol10comp #" # --------------------------------------- # # sub routines # # --------------------------------------- # # Usage: automatically called in the sub routine die # cleanup() { LogInfo "Doing house keeping ..." if [ "${ACTION}"x = "start"x ] ; then : fi if [ "${ACTION}"x = "status"x ] ; then : fi if [ "${ACTION}"x = "stop"x ] ; then : fi # # house keeping for all runs # [ -f "${TEMP_FILE}" ] && rm "${TEMP_FILE}" 1>/dev/null 2>/dev/null } # --------------------------------------- # # Usage: LogMsg [message] # LogMsg() { LogMsg_THISMSG="$*" echo "${__THISSCRIPT} - ${LogMsg_THISMSG}" [ "${__LOGFILE}"x != ""x ] && echo "${__THISSCRIPT} - ${LogMsg_THISMSG}" >>echo "${__THISSCRIPT} - ${LogMsg_THISMSG}" } # --------------------------------------- # # Usage: LogInfo [message] # # Note: LogInfo only prints messages if __VERBOSE is true # LogInfo() { [ ${__VERBOSE} -eq ${__TRUE} ] && LogMsg "INFO: $*" } # --------------------------------------- # # Usage: LogWarning [message] # LogWarning() { LogWarning_THISMSG="${__THISSCRIPT} - ERROR: $*!" echo "${LogWarning_THISMSG}" >&2 [ "${__LOGFILE}"x != ""x ] && echo "${LogWarning_THISMSG}" >>${__LOGFILE} } # --------------------------------------- # # Usage: LogError [message] # # Note: Error messages are written to STDERR # LogError() { LogError_THISMSG="${__THISSCRIPT} - ERROR: $*!" echo "${LogError_THISMSG}" >&2 [ "${__LOGFILE}"x != ""x ] && echo "${LogError_THISMSG}" >>${__LOGFILE} } # --------------------------------------- # # Usage: die [returncode] [message] # die() { die_THISRC=$1 [ $# -ne 0 ] && shift die_THISMSG="$*" __EXIT_VIA_DIE=${__TRUE} cleanup if [ $# -ne 0 ] ; then if [ "${die_THISRC}"x = "0"x ] ; then LogMsg "${die_THISMSG}" else LogError "${die_THISMSG}" fi fi exit ${die_THISRC} } # --------------------------------------- # GENERAL_SIGNAL_HANDLER # # general trap handler # # usage: called automatically (parameter $1 is the signal number) # # returns: - # GENERAL_SIGNAL_HANDLER() { case $1 in 1 ) LogInfo "HUP signal received." ;; 2 ) if [ ${__USER_BREAK_ALLOWED} -eq ${__TRUE} ] ; then die 252 "Script aborted by the user via signal BREAK (CTRL-C)" else LogInfo "Break signal (CTRL-C) received and ignored (Break is disabled)." fi ;; 3 ) die 251 "QUIT signal received" ;; 15 ) die 253 "Script aborted by the external signal TERM" ;; "exit" | 0 ) if [ "${__EXIT_VIA_DIE}"x != "${__TRUE}"x ] ; then LogWarning "You should use the function \"die\" to end the program" fi return ;; * ) die 254 "Unknown signal catched: $1 " ;; esac } Create_LOFI_Device() { CUR_IMAGE_FILE="$1" CUR_LOFI_DEVICE="" shift $# set -- `lofiadm | grep " ${CUR_IMAGE_FILE}$"` if [ $? -ne 0 -a "$1"x = ""x ] ; then CUR_LOFI_DEVICE=$1 LogMsg "Creating a lofi device for \"${CUR_IMAGE_FILE}\" ..." set -- ` lofiadm -a "${CUR_IMAGE_FILE}"` if [ $? -ne 0 ] ; then LogError "Can not create a lofi device for \"${CUR_IMAGE_FILE}\"" return 1 else CUR_LOFI_DEVICE="$1" return 0 fi else CUR_LOFI_DEVICE=$1 return 0 fi return 1 } Delete_LOFI_Device() { CUR_IMAGE_FILE="$1" CUR_LOFI_DEVICE="" shift $# set -- ` lofiadm | grep " ${CUR_IMAGE_FILE}$" ` if [ $? -eq 0 -a "$1"x != ""x ] ; then CUR_LOFI_DEVICE="$1" LogMsg "Removing the lofi device \"${CUR_LOFI_DEVICE}\" for \"${CUR_IMAGE_FILE}\" ..." lofiadm -d "${CUR_IMAGE_FILE}" if [ $? -ne 0 ] ; then LogError "Can not remove the lofi device for \"${CUR_IMAGE_FILE}\ (\"${CUR_LOFI_DEVICE}\")" return 1 fi fi return 0 } Check_LOFI_Device() { CUR_IMAGE_FILE="$1" CUR_LOFI_DEVICE="" shift $# set -- ` lofiadm | grep " ${CUR_IMAGE_FILE}$" ` if [ $? -eq 0 -a "$1"x != ""x ] ; then CUR_LOFI_DEVICE="$1" return 0 else return 1 fi } Mount_CDROM_Image() { CUR_MOUNT_DEVICE="$1" CUR_MOUNT_POINT="$2" mount | grep "^${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -ne 0 ] ; then LogMsg "Mounting \"${CUR_MOUNT_POINT}\" to \"${CUR_MOUNT_DEVICE}\" ..." mount ${MOUNT_OPTIONS} "${CUR_MOUNT_DEVICE}" "${CUR_MOUNT_POINT}" 1>/dev/null if [ $? -ne 0 ] ; then LogError "Can not mount \"${CUR_MOUNT_POINT}\" to \"${CUR_MOUNT_DEVICE}\"" return 1 fi fi return 0 } Umount_CDROM_Image() { CUR_MOUNT_POINT="$1" mount | grep "^${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -eq 0 ] ; then LogMsg "Umounting \"${CUR_MOUNT_POINT}\" ..." umount "${CUR_MOUNT_POINT}" 1>/dev/null if [ $? -ne 0 ] ; then LogError "Can not umount \"${CUR_MOUNT_POINT}\"" return 1 fi fi return 0 } Check_Mount() { CUR_MOUNT_POINT="$1" mount | grep "^${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -eq 0 ] ; then return 0 else return 1 fi } Share_Directory() { CUR_MOUNT_POINT="$1" share | grep " ${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -ne 0 ] ; then LogMsg "Sharing \"${CUR_MOUNT_POINT}\" ..." share ${SHARE_OPTIONS} "${CUR_MOUNT_POINT}" 1>/dev/null if [ $? -ne 0 ] ; then LogError "Can not share \"${CUR_MOUNT_POINT}\"" return 1 fi else LogMsg "\"${CUR_MOUNT_POINT}\" is already shared." fi return 0 } Unshare_Directory() { CUR_MOUNT_POINT="$1" share | grep " ${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -eq 0 ] ; then LogMsg "Unsharing \"${CUR_MOUNT_POINT}\" ..." unshare "${CUR_MOUNT_POINT}" 1>/dev/null if [ $? -ne 0 ] ; then LogError "Can not unshare \"${CUR_MOUNT_POINT}\"" return 1 fi fi return 0 } Check_Share() { CUR_MOUNT_POINT="$1" share | grep " ${CUR_MOUNT_POINT} " 1>/dev/null 2>/dev/null if [ $? -eq 0 ] ; then return 0 else return 1 fi } # --------------------------------------- # sample subroutine # mysubroutine() { mysubroutine_THISRC=0 return ${mysubroutine_THISRC} } # --------------------------------------- # # main code # # install trap handler trap "GENERAL_SIGNAL_HANDLER 1" 1 trap "GENERAL_SIGNAL_HANDLER 2" 2 trap "GENERAL_SIGNAL_HANDLER 3" 3 trap "GENERAL_SIGNAL_HANDLER 15" 15 trap "GENERAL_SIGNAL_HANDLER exit" 0 # check the logfile if [ "${__LOGFILE}"x != ""x ] ; then touch ${__LOGFILE} [ $? -ne 0 ] && __LOGFILE="" fi if [ "${ACTION}"x != "start"x -a "${ACTION}"x != "stop"x -a "${ACTION}"x != "status"x ] ; then echo "Usage: ${__THISSCRIPT} [start|stop|status] [image ...]" die 1 fi # # check if the config file exists # if [ ! -f "${CONF_FILE}" -a ! -h "${CONF_FILE}" ] ; then LogMsg "Config file \"${CONF_FILE}\" not found; using defaults." IMAGE_FILES="${DEF_IMAGE_FILES}" else LogMsg "Reading the config file \"${CONF_FILE}\" ..." IMAGE_FILES=`cat "${CONF_FILE}"` fi # # remove comments and empty lines form the list of images and mountpotints # echo "${IMAGE_FILES}" | grep -v "^#" | grep -v "^$" | tr -s " " >${TEMP_FILE} # # now do for each entry # cat ${TEMP_FILE} | while read CURLINE ; do oIFS="${IFS}" IFS=";" set -- ${CURLINE} [ "$1"x = ""x ] && continue IFS="${oIFS}" # note: using these commands removes leading and trailing blanks IMAGE_FILE=`echo $1` MOUNT_POINT=` echo $2` MOUNT_OPTIONS=`echo $3` SHARE_OPTIONS=`echo $4` CUR_ALIAS=`echo $5` # if there are additional parameter only process the images added to # the commandline # if [ "${ACTION_PARAMETER}"x != ""x ] ; then CONT_OK=1 for CUR_PARM in ${ACTION_PARAMETER} ; do if [ "${CUR_PARM}"x = "${CUR_ALIAS}"x ] ; then CONT_OK=0 break fi if [ "${CUR_PARM}"x = "${IMAGE_FILE}"x ] ; then CONT_OK=0 break fi if [ "${CUR_PARM}"x = "` basename ${IMAGE_FILE}`"x ] ; then CONT_OK=0 break fi done if [ ${CONT_OK} != 0 ] ; then continue fi fi [ "${MOUNT_OPTIONS}"x = "-"x -o "${MOUNT_OPTIONS}"x = ""x ] && MOUNT_OPTIONS="${DEF_MOUNT_OPTIONS}" [ "${SHARE_OPTIONS}"x = "-"x -o "${SHARE_OPTIONS}"x = ""x ] && SHARE_OPTIONS="${DEF_SHARE_OPTIONS}" if [ "${MOUNT_OPTIONS}"x != "NO"x ] ; then if [ "${MOUNT_POINT}"x = ""x ] ; then LogError "The line \"${CURLINE}\" of the config is invalid - ignored" continue fi if [ ! -d "${MOUNT_POINT}" ] ; then LogError "The mount point \"${MOUNT_POINT}\" does NOT exist" continue fi fi if [ ! -f ${IMAGE_FILE} -a ! -h ${IMAGE_FILE} ] ; then LogError "The image file \"${IMAGE_FILE}\" does NOT exist" continue fi case ${ACTION} in start ) LogMsg "Starting the share for \"${IMAGE_FILE}\" (Mountpoint is \"${MOUNT_POINT}\") ..." Create_LOFI_Device "${IMAGE_FILE}" if [ $? -eq 0 -a "${MOUNT_OPTIONS}"x != "NO"x ] ; then Mount_CDROM_Image "${CUR_LOFI_DEVICE}" "${MOUNT_POINT}" if [ $? -eq 0 -a "${SHARE_OPTIONS}"x != "NO"x ] ; then Share_Directory "${MOUNT_POINT}" fi fi ;; stop ) LogMsg "Stopping the share for \"${IMAGE_FILE}\" (Mountpoint is \"${MOUNT_POINT}\") ..." Unshare_Directory "${MOUNT_POINT}" && \ Umount_CDROM_Image "${MOUNT_POINT}" && \ Delete_LOFI_Device "${IMAGE_FILE}" ;; status ) LogMsg "Checking the status of \"${IMAGE_FILE}\" (Mountpoint is \"${MOUNT_POINT}\") ..." Check_LOFI_Device "${IMAGE_FILE}" if [ $? -eq 0 ] ; then LogMsg "The lofi device exists (${CUR_LOFI_DEVICE})" else LogMsg "The lofi device does not exist" fi Check_Mount "${MOUNT_POINT}" if [ $? -eq 0 ] ; then LogMsg "The mount exists" else LogMsg "The mount does not exist" fi Check_Share "${MOUNT_POINT}" if [ $? -eq 0 ] ; then LogMsg "The directory is shared" else LogMsg "The directory is not shared" fi ;; esac done # --------------------------------------- die ${main_RC} # ---------------------------------------