1178 lines
55 KiB
Bash
Executable File
1178 lines
55 KiB
Bash
Executable File
#!/bin/sh
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# $Id$
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# ugly: this variable is set during port install time
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ezjail_prefix=EZJAIL_PREFIX
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ezjail_admin=`basename -- $0`
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ezjail_etc="${ezjail_prefix}/etc"
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ezjail_share="${ezjail_prefix}/share/ezjail"
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ezjail_examples="${ezjail_prefix}/share/examples/ezjail"
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ezjail_jailcfgs="${ezjail_etc}/ezjail"
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# read user config
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[ -f "${ezjail_etc}/ezjail.conf" ] && . "${ezjail_etc}/ezjail.conf"
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# set defaults
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ezjail_jaildir=${ezjail_jaildir:-"/usr/jails"}
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ezjail_jailtemplate=${ezjail_jailtemplate:-"${ezjail_jaildir}/newjail"}
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ezjail_jailbase=${ezjail_jailbase:-"${ezjail_jaildir}/basejail"}
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ezjail_jailfull=${ezjail_jailfull:-"${ezjail_jaildir}/fulljail"}
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ezjail_jailtemp=${ezjail_jailtemp:-"${ezjail_jaildir}/ezjailtemp"}
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ezjail_flavours=${ezjail_flavours:-"${ezjail_jaildir}/flavours"}
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ezjail_portscvsroot=${ezjail_portscvsroot:-":pserver:anoncvs@anoncvs.at.FreeBSD.org:/home/ncvs"}
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ezjail_sourcetree=${ezjail_sourcetree:-"/usr/src"}
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ezjail_uglyperlhack=${ezjail_uglyperlhack:-"YES"}
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ezjail_default_execute=${ezjail_default_execute:-"/usr/bin/login -f root"}
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ezjail_mount_enable=${ezjail_mount_enable:-"YES"}
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ezjail_devfs_enable=${ezjail_devfs_enable:-"YES"}
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ezjail_devfs_ruleset=${ezjail_devfs_ruleset:-"devfsrules_jail"}
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ezjail_procfs_enable=${ezjail_procfs_enable:-"YES"}
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ezjail_fdescfs_enable=${ezjail_fdescfs_enable:-"YES"}
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ezjail_dirlist="bin boot lib libexec rescue sbin usr/bin usr/games usr/include usr/lib usr/libdata usr/libexec usr/sbin usr/src usr/share"
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ezjail_basesystem="base"
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# amd64 is a really strange platform
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case `uname -p` in amd64) ezjail_dirlist="${ezjail_dirlist} usr/lib32"; ezjail_basesystem="${ezjail_basesystem} lib32";; esac
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# Synopsis messages
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ezjail_usage_ezjailadmin="ezjail-admin v3.0b\nUsage: ${ezjail_admin} [archive|config|console|create|delete|install|list|restore|update] {params}"
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ezjail_usage_install="Usage: ${ezjail_admin} install [-mps] [-h host] [-r release]"
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ezjail_usage_create="Usage: ${ezjail_admin} create [-xbi] [-f flavour] [-r jailroot] [-s size] [-c bde|eli] [-C args] [-a archive] jailname jailip"
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ezjail_usage_delete="Usage: ${ezjail_admin} delete [-w] jailname"
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ezjail_usage_update="Usage: ${ezjail_admin} update [-s sourcetree] [-i] [-pP]"
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ezjail_usage_config="Usage: ${ezjail_admin} config [-r run|norun] [-n newname] [-i attach|detach|fsck] jailname"
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ezjail_usage_console="Usage: ${ezjail_admin} console [-f] [-e command] jailname"
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ezjail_usage_archive="Usage: ${ezjail_admin} archive [-Af] [-a archive] [-d archivedir] jailname [jailname...]"
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ezjail_usage_restore="Usage: ${ezjail_admin} restore [-f] [-d archivedir] (archive|jailname)..."
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ezjail_usage_list="Usage: ${ezjail_admin} list"
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################################
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# End of variable initialization
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#
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# define our bail out shortcut
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exerr () { echo -e "$*" >&2 ; exit 1; }
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# generic attach routine for image jails
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attach_images () {
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# Create a memory disc from jail image
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ezjail_imagedevice=`mdconfig -a -t vnode -f ${ezjail_image}` || exerr "Error: Could not attach memory disc."
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# If this is a crypto jail, try to mount it, remind user, which jail
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# this is. In this case, the device to mount is
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case ${ezjail_imagetype} in
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crypto|bde)
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echo Attaching bde device for image jail ${ezjail}...
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echo gbde attach "/dev/${ezjail_imagedevice}" ${ezjail_attachparams} | /bin/sh
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[ $? -eq 0 ] || detach_images keep || exerr "Error: Attaching bde device failed."
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# Device to mount is not md anymore
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ezjail_device="${ezjail_imagedevice}.bde"
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;;
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eli)
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echo "Attaching eli device for image jail ${ezjail}..."
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echo geli attach ${ezjail_attachparams} "/dev/${ezjail_imagedevice}" | /bin/sh
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[ $? -eq 0 ] || detach_images keep || exerr "Error: Attaching eli device failed."
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# Device to mount is not md anymore
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ezjail_device="${ezjail_imagedevice}.eli"
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;;
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simple)
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ezjail_device=${ezjail_imagedevice}
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;;
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esac
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}
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# define detach strategy for image jails
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detach_images () {
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# Avoid ending up inside mount point
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cd /
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# unmount and detach memory disc
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if [ "${ezjail_imagedevice}" ]; then
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umount "${ezjail_rootdir}" > /dev/null 2> /dev/null
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case ${ezjail_imagetype} in
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bde) gbde detach "/dev/${ezjail_imagedevice}" > /dev/null;;
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eli) geli detach "/dev/${ezjail_imagedevice}" > /dev/null;;
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esac
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mdconfig -d -u "${ezjail_imagedevice}" > /dev/null
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[ "$1" = "keep" ] || rm -f "${ezjail_image}"
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fi
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# Remove soft link (which acts as a lock)
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[ -e "/dev/${ezjail_imagedevice}" ] || rm -f "${ezjail_devicelink}"
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# This function is being called in case of error. Keep $? bad
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return 1
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}
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# Find and execute our rc script
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start_stop_jail_by_script () {
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ezjail_action=$1
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[ "${ezjail_action}" = "start" ] && ezjail_success_check="-n" || ezjail_success_check="-z"
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# Try to locate and run ezjails rc.d script
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if [ -x "${ezjail_prefix}/etc/rc.d/ezjail" ]; then
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(exec "${ezjail_prefix}/etc/rc.d/ezjail" ${ezjail_action} ${ezjail_name});
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elif [ -x "${ezjail_prefix}/etc/rc.d/ezjail.sh" ]; then
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(exec "${ezjail_prefix}/etc/rc.d/ezjail.sh" ${ezjail_action} ${ezjail_name});
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else
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exerr "Could not find ezjail's rc.d script in ${ezjail_prefix}/etc/rc.d/. You need to ${ezjail_action} ${ezjail_name} by hand."
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fi
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# Check for success of our operation
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fetchjailinfo ${ezjail_name}
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[ ${ezjail_success_check} "${ezjail_id}" ] || exerr "Error: Could not ${ezjail_action} ${ezjail_name}. You need to ${ezjail_action} it by hand."
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}
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# fetch everything we need to know about an ezjail from config
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fetchjailinfo () {
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ezjail_name=$1
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# Clean variables, prevent polution
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unset ezjail_config ezjail_running ezjail_hostname ezjail_rootdir ezjail_image ezjail_imagetype ezjail_imagedevice ezjail_devicelink ezjail_ip ezjail_id ezjail_attached ezjail_device ezjail_device_geom
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ezjail_safename=`echo -n "${ezjail_name}" | tr -c '[:alnum:]' _`
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if [ -z "$2" ]; then
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[ -e "${ezjail_jailcfgs}/${ezjail_safename}" ] && ezjail_config="${ezjail_jailcfgs}/${ezjail_safename}"
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[ -e "${ezjail_jailcfgs}/${ezjail_safename}.norun" ] && ezjail_config="${ezjail_jailcfgs}/${ezjail_safename}.norun"
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else
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ezjail_config=$2
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fi
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[ "${ezjail_config}" ] || return 0
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. "${ezjail_config}"
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eval ezjail_hostname=\"\$jail_${ezjail_safename}_hostname\"
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eval ezjail_rootdir=\"\$jail_${ezjail_safename}_rootdir\"
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eval ezjail_ip=\"\$jail_${ezjail_safename}_ip\"
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eval ezjail_image=\"\$jail_${ezjail_safename}_image\"
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eval ezjail_imagetype=\"\$jail_${ezjail_safename}_imagetype\"
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eval ezjail_attachparams=\"\$jail_${ezjail_safename}_attachparams\"
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eval ezjail_attachblocking=\"\$jail_${ezjail_safename}_attachblocking\"
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eval ezjail_forceblocking=\"\$jail_${ezjail_safename}_forceblocking\"
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ezjail_softlink=${ezjail_jaildir}/`basename -- "${ezjail_rootdir}"`
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ezjail_devicelink="${ezjail_rootdir}.device"
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if [ "${ezjail_image}" -a -L "${ezjail_devicelink}" ]; then
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# Fetch destination of soft link
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ezjail_device=`stat -f "%Y" ${ezjail_devicelink}`
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ezjail_device_geom=${ezjail_device#/dev/}
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# Add this device to the list of devices to be unmounted
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case ${ezjail_imagetype} in
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crypto|bde) ezjail_imagedevice=${ezjail_device_geom%.bde} ;;
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eli) ezjail_imagedevice=${ezjail_device_geom%.eli} ;;
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*) ezjail_imagedevice=${ezjail_device_geom} ;;
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esac
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mount -p -v | grep -q -E "^${ezjail_devicelink}[[:space:]]+${ezjail_rootdir}" && ezjail_attached="YES"
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mount -p -v | grep -q -E "^${ezjail_device}[[:space:]]+${ezjail_rootdir}" && ezjail_attached="YES"
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# Stale device link detected. Remove and clean.
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[ -z "${ezjail_attached}" ] && unset ezjail_device && rm -f "${ezjail_devicelink}"
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fi
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[ -f "/var/run/jail_${ezjail_safename}.id" ] && ezjail_id=`cat /var/run/jail_${ezjail_safename}.id` || return
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jls | grep -q -E "^ +${ezjail_id} " || unset ezjail_id
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}
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# fill the base jail - this function is used by install and update
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ezjail_splitworld() {
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# Fill basejail from installed world
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cd "${ezjail_jailfull}" || exerr "Cant access temporary Jail directory."
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# This mkdir is important, since cpio will create intermediate
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# directories with permission 0700 which is bad
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mkdir -p "${ezjail_jailbase}/usr"
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for dir in ${ezjail_dirlist}; do
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find ${dir} | cpio -d -p -v "${ezjail_jailbase}" || exerr "Installation of ${dir} failed."
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chflags -R noschg ${dir}; rm -r ${dir}; ln -s /basejail/${dir} ${dir}
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done
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mkdir basejail
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# Try to remove the old template jail
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[ -d "${ezjail_jailtemplate}" ] && chflags -R noschg "${ezjail_jailtemplate}" && rm -rf "${ezjail_jailtemplate}"
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mv "${ezjail_jailfull}" "${ezjail_jailtemplate}"
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# If the default flavour example has not yet been copied, do it now
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[ -d "${ezjail_flavours}/default" ] || mkdir -p "${ezjail_flavours}" && cp -p -R "${ezjail_examples}/default" "${ezjail_flavours}"
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# no /usr/ports? link to /basejail/usr/ports
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[ -e "${ezjail_jailtemplate}/usr/ports" ] || ln -s /basejail/usr/ports "${ezjail_jailtemplate}/usr/ports"
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# A ports collection inside jails is hardly useful w/o an appropriate
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# /etc/make.conf.
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if [ -f "${ezjail_examples}/default/etc/make.conf" -a ! -f "${ezjail_jailtemplate}/etc/make.conf" ]; then
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cp -p "${ezjail_examples}/default/etc/make.conf" "${ezjail_jailtemplate}/etc/"
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echo "Note: a non-standard /etc/make.conf was copied to the template jail in order to get the ports collection running inside jails."
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fi
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# The ugly perl hack[tm]. Note: we wont do such things for any given
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# port :(
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[ "${ezjail_uglyperlhack}" = "YES" -a ! -L "${ezjail_jailbase}/usr/bin/perl" ] && ln -s /usr/local/bin/perl "${ezjail_jailbase}/usr/bin/perl"
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}
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# The user may want to have a ports tree in basejail
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ezjail_updateports () {
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local _portsnap_fetch="fetch"
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# if /usr/ports/CVS exists, assume cvs up is safe
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# this is legacy
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if [ -f "${ezjail_jailbase}/usr/ports/CVS/Root" ]; then
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echo -n "Updating ports from "; cat "${ezjail_jailbase}/usr/ports/CVS/Root"
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echo "Warning: Upgrading legacy ports copy. Consider removing ${ezjail_jailbase}/usr/ports and use the new portsnap strategy instead."
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echo "Gathering local information may take a while."
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cd "${ezjail_jailbase}/usr/ports/" && cvs -d "${ezjail_portscvsroot}" up -Pd
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else
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[ -z "$TERM" -o "$TERM" = "dumb" ] && _portsnap_fetch="cron"
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portsnap ${_portsnap_fetch}
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[ -d "${ezjail_jailbase}/usr/ports" ] && ezjail_portsnapaction="update"
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portsnap -p "${ezjail_jailbase}/usr/ports" ${ezjail_portsnapaction:-"extract"}
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fi
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[ $? -eq 0 ] || exerr "Updating ports failed."
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}
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# Try to fetch the list of releases the server provides
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ezjail_queryftpserver () {
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unset _ret
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echo -n "Querying your ftp-server... "
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TIFS=${IFS}; IFS=
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for ezjail_path in pub/FreeBSD/releases pub/FreeBSD/snapshot pub/FreeBSD releases snapshots NO; do
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if [ ${ezjail_path} = "NO" ]; then
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echo "Warning: I am having problems querying the ftp server you specified (${ezjail_ftphost})."
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_ret=1; break
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fi
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ezjail_ftpresponse=`echo ls | ftp "${ezjail_ftphost}:${ezjail_path}/${ezjail_installarch}/" 2> /dev/null` 2> /dev/null
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if [ $? -eq 0 ]; then
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echo -e "The ftp server you specified (${ezjail_ftphost}) seems to provide the following builds:\n${ezjail_ftpresponse}"
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_ret=0; break 2
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fi
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done
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IFS=${TIFS}
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ezjail_ftpserverqueried="YES"
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return ${_ret}
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}
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# Make a path absolute, if it isn't already
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ezjail_makeabsolute ( ) {
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eval [ \"\${$1%%[!/]*}\" -o "\${$1}" = "-" ] && return
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[ "${2%%[!/]*}" ] && path=${2} || path=`pwd -P`/${2}
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eval export ${1}="${path}/\${$1}"
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}
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parse_geli_attach_args () {
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# create geli(8) attach arguments from geli(8) init arguments:
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# -P becomes -p if present, -K newkeyfile becomes -k newkeyfile if present,
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# everything else is dicarded
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# exit values: 0->NO PASSWORD SET, 1->PASSWORD SET
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_exit=0
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while getopts :bPva:i:K:l:s: arg; do
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case ${arg} in
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b|v|a|i|l|s);; # ignore these
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P) echo -n "-p "; _exit=1 ;;
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K) echo -n "-k '$OPTARG' ";;
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?) exerr "Error: Processing of attach params failed.";;
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esac
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done
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return ${_exit}
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}
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parse_gbde_attach_args () {
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# create gbde(8) attach arguments from gbde(8) init arguments:
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# -L lockfile becomes -l lockfile if present
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# -K keyfile becomes -k keyfile if present
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# -P passphrase becomes -p passphrase if present
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# everything else is discarded
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# exit values: 0->NO PASSWORD SET, 1->PASSWORD SET
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_exit=0
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while getopts :iK:f:L:P: arg; do
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case ${arg} in
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i|f);; # ignore these
|
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P) echo -n "-p '$OPTARG' "; _exit=1;;
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K) echo -n "-k '$OPTARG' ";;
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L) echo -n "-l '$OPTARG' ";;
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?) exerr "Error: Processing of attach params failed.";;
|
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esac
|
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done
|
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return ${_exit}
|
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}
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#############################
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# End of function definitions
|
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#
|
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# check for command
|
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[ $# -gt 0 ] || exerr ${ezjail_usage_ezjailadmin}
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|
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case "$1" in
|
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######################## ezjail-admin CREATE ########################
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create)
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# Clean variables, prevent polution
|
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unset ezjail_rootdir ezjail_flavour ezjail_softlink ezjail_image ezjail_imagetype ezjail_imageparams ezjail_imagesize ezjail_device ezjail_devicelink ezjail_config ezjail_attachparams ezjail_exists ezjail_attachblocking ezjail_forceblocking ezjail_sourcedevice ezjail_rootdirempty ezjail_fromarchive ezjail_fromarchive_config
|
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shift; while getopts :f:r:s:xbic:C:a:A: arg; do case ${arg} in
|
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x) ezjail_exists="YES";;
|
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r) ezjail_rootdir=${OPTARG};;
|
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f) ezjail_flavour=${OPTARG};;
|
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a) ezjail_fromarchive=${OPTARG};;
|
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A) ezjail_fromarchive_config=${OPTARG};;
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c) ezjail_imagetype=${OPTARG};;
|
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C) ezjail_imageparams=${OPTARG};;
|
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b) ezjail_forceblocking="YES";;
|
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i) ezjail_imagetype=${ezjail_imagetype:-"simple"};;
|
||
s) ezjail_imagesize=${OPTARG};;
|
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?) exerr ${ezjail_usage_create};;
|
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esac; done; shift $(( ${OPTIND} - 1 ))
|
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|
||
ezjail_name=$1; ezjail_ip=$2
|
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|
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# we need at least a name and an ip for new jail
|
||
[ "${ezjail_name}" -a "${ezjail_ip}" -a $# -eq 2 ] || exerr ${ezjail_usage_create}
|
||
|
||
# check for sanity of settings concerning the image feature
|
||
[ -z "${ezjail_imagetype}" -o "${ezjail_exists}" -o "${ezjail_imagesize}" ] || exerr "Image jails need an image size."
|
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|
||
# check for a sane image type
|
||
case ${ezjail_imagetype} in ""|simple|bde|eli) ;; *) exerr ${ezjail_usage_create};; esac
|
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|
||
# check for a sane image size and split it up in blocks
|
||
if [ "${ezjail_imagesize}" ]; then
|
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_val=`echo "${ezjail_imagesize}"|tr GMKBWX gmkbwx|sed -Ees:g:km:g -es:m:kk:g -es:k:"*2b":g -es:b:"*128w":g -es:w:"*4 ":g -e"s:(^|[^0-9])0x:\1\0X:g" -ey:x:"*":|bc`
|
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[ $? -eq 0 -a ${_val} -gt 0 ] || exerr "Error: The image size you specified is somehow incomprehensible (you specified ${ezjail_imagesize})."
|
||
ezjail_imageblockcount=`echo ${_val} / 1048576 | bc`
|
||
ezjail_imagerestbytes=`echo ${_val} % 1048576 | bc`
|
||
fi
|
||
|
||
# check, whether ezjail has been set up correctly. existence of
|
||
# ezjail_jailbase is our indicator
|
||
[ -d "${ezjail_jailbase}" ] || exerr "Error: base jail does not exist. Please run '${ezjail_admin} install' or '${ezjail_admin} update' first."
|
||
|
||
# relative paths don't make sense in rc.scripts
|
||
[ "${ezjail_jaildir%%[!/]*}" ] || exerr "Error: Need an absolute path in ezjail_jaildir, it currently is set to: ${ezjail_jaildir}."
|
||
|
||
# jail names must not irritate file systems, excluding dots from this list
|
||
# was done intentionally to permit foo.com style directory names, however,
|
||
# the jail name will be foo_com in most scripts
|
||
|
||
ezjail_hostname=`echo -n "${ezjail_name}" | tr '/~' '__'`
|
||
ezjail_safename=`echo -n "${ezjail_name}" | tr -c '[:alnum:]' _`
|
||
ezjail_rootdir=${ezjail_rootdir:-"${ezjail_jaildir}/${ezjail_hostname}"}
|
||
ezjail_config="${ezjail_jailcfgs}/${ezjail_safename}"
|
||
|
||
# This scenario really will only lead to real troubles in the 'fulljail'
|
||
# case, but I should still explain this to the user and not claim that
|
||
# "an ezjail would already exist"
|
||
case ${ezjail_hostname} in basejail|newjail|fulljail|flavours|ezjailtemp) exerr "Error: ezjail needs the ${ezjail_hostname} directory for its own administrative purposes. Please rename the ezjail.";; esac
|
||
|
||
# jail names may lead to identical configs, eg. foo.bar.com == foo-bar.com
|
||
# so check, whether we might be running into problems
|
||
[ -e "${ezjail_config}" -o -e "${ezjail_config}.norun" ] && exerr "Error: an ezjail config already exists at ${ezjail_config}. Please rename the ezjail."
|
||
|
||
# if jail root specified on command line is not absolute, make it absolute
|
||
# inside our jail directory
|
||
ezjail_makeabsolute ezjail_rootdir ${ezjail_jaildir}
|
||
|
||
# if a directory at the specified jail root already exists, refuse to
|
||
# install. Empty root dirs are considered okay, sometimes they are
|
||
# mount points to be filled by ezjail.
|
||
[ -d "${ezjail_rootdir}" ] && [ -z "`ls -I ${ezjail_rootdir}`" ] && ezjail_rootdirempty="YES"
|
||
[ -e "${ezjail_rootdir}" -a -z "${ezjail_rootdirempty}" -a -z "${ezjail_exists}" ] && exerr "Error: the specified jail root ${ezjail_rootdir} already exists."
|
||
|
||
# if jail root specified on command line does not lie within our jail
|
||
# directory, we need to create a softlink
|
||
if [ "${ezjail_rootdir##${ezjail_jaildir}}" = "${ezjail_rootdir}" ]; then
|
||
ezjail_softlink=${ezjail_jaildir}/`basename -- "${ezjail_rootdir}"`
|
||
[ -e "${ezjail_softlink}" ] && exerr "Error: an ezjail already exists at ${ezjail_softlink}."
|
||
fi
|
||
|
||
# do some sanity checks on the selected flavour (if any)
|
||
[ "${ezjail_flavour}" -a ! -d "${ezjail_flavours}/${ezjail_flavour}" ] && exerr "Error: Flavour config directory ${ezjail_flavours}/${ezjail_flavour} not found."
|
||
|
||
# check for restore circumstances, normally this is invoked by the restore command
|
||
[ "${ezjail_fromarchive}" -a "${ezjail_exists}" ] && exerr "Error: Cannot restore a jail that exists."
|
||
[ "${ezjail_fromarchive}" -a "${ezjail_flavour}" ] && exerr "Error: Cannot apply flavours to a restored jail."
|
||
[ "${ezjail_fromarchive}" -a "${ezjail_fromarchive}" != "-" -a ! -r "${ezjail_fromarchive}" ] && exerr "Error: Cannot restore from non existing archive: ${ezjail_fromarchive}."
|
||
|
||
#
|
||
# All sanity checks that may lead to errors are hopefully passed here
|
||
#
|
||
|
||
if [ "${ezjail_imagetype}" ]; then
|
||
# Strip trailing slashes from jail root, those would confuse image path
|
||
ezjail_image=${ezjail_rootdir%/}; while [ "${ezjail_image}" -a -z "${ezjail_image%%*/}" ]; do ezjail_image=${ezjail_image%/}; done
|
||
[ "${ezjail_image}" ] || exerr "Error: Could not determine image file name, something is wrong with the jail root: ${ezjail_rootdir}."
|
||
|
||
# Location of our image file
|
||
ezjail_image="${ezjail_image}.img"
|
||
|
||
# Prepare crypto jail so that an attacker cannot guess which blocks
|
||
# have been written
|
||
case ${ezjail_imagetype} in bde|eli) ezjail_sourcedevice="/dev/random";; simple) ezjail_sourcedevice="/dev/zero";; esac
|
||
|
||
# If NOT exist, create image
|
||
if [ -z "${ezjail_exists}" ]; then
|
||
[ -e "${ezjail_image}" ] && exerr "Error: a file exists at the location ${ezjail_image}, preventing our own image file to be created."
|
||
|
||
# Now create jail disc image
|
||
touch "${ezjail_image}"
|
||
echo "Creating jail image ${ezjail_image}. This may take a while."
|
||
if [ "${ezjail_imageblockcount}" -gt 0 ]; then
|
||
dd if="${ezjail_sourcedevice}" of="${ezjail_image}" bs=1m count=${ezjail_imageblockcount} || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
|
||
fi
|
||
if [ "${ezjail_imagerestbytes}" -gt 0 ]; then
|
||
( dd if="${ezjail_sourcedevice}" bs=${ezjail_imagerestbytes} count=1 >> "${ezjail_image}" ) || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${ezjail_image}. The image size provided was ${ezjail_imagesize}."
|
||
fi
|
||
|
||
# Attach device
|
||
ezjail_imagedevice=`mdconfig -a -t vnode -f "${ezjail_image}"`
|
||
ezjail_devicelink="${ezjail_rootdir}.device"
|
||
|
||
[ $? -eq 0 ] || detach_images || exerr "Error: Could not attach image device. (Command failed was 'mdconfig -a -t vnode -f ${ezjail_image}')"
|
||
fi
|
||
|
||
case ${ezjail_imagetype} in
|
||
bde|eli)
|
||
# parse imageparams, generate attachparams
|
||
ezjail_attachblocking="YES"
|
||
if [ "${ezjail_imageparams}" ]; then
|
||
ezjail_attachparams=`eval parse_g${ezjail_imagetype}_attach_args ${ezjail_imageparams}` || unset ezjail_attachblocking
|
||
fi
|
||
case ${ezjail_imagetype} in
|
||
bde) init_cmd="gbde init /dev/${ezjail_imagedevice} ${ezjail_imageparams}"
|
||
attach_cmd="gbde attach /dev/${ezjail_imagedevice} ${ezjail_attachparams}";;
|
||
eli) init_cmd="geli init ${ezjail_imageparams} /dev/${ezjail_imagedevice}"
|
||
attach_cmd="geli attach ${ezjail_attachparams} /dev/${ezjail_imagedevice}";;
|
||
esac
|
||
|
||
if [ -z "${ezjail_exists}" ]; then
|
||
[ "${ezjail_attachblocking}" ] && echo "Initialising crypto device. You will be asked to enter a new passphrase twice... "
|
||
( echo ${init_cmd} | /bin/sh ) || detach_images || exerr "Error: Could not initialise crypto image."
|
||
|
||
[ "${ezjail_attachblocking}" ] && echo "Attaching crypto device. You will be asked to enter the new passphrase... "
|
||
( echo ${attach_cmd} | /bin/sh ) || detach_images || exerr "Error: Could not attach crypto image."
|
||
fi
|
||
|
||
ezjail_device="${ezjail_imagedevice}.${ezjail_imagetype}"
|
||
;;
|
||
simple)
|
||
ezjail_device=${ezjail_imagedevice}
|
||
;;
|
||
esac
|
||
|
||
if [ -z "${ezjail_exists}" ]; then
|
||
# Format memory image
|
||
newfs -U "/dev/${ezjail_device}" || detach_images || exerr "Error: Could not newfs /dev/${ezjail_device}."
|
||
# Create mount point and mount
|
||
mkdir -p "${ezjail_rootdir}" || detach_images || exerr "Error: Could not create jail root mount point ${ezjail_rootdir}."
|
||
mount "/dev/${ezjail_device}" "${ezjail_rootdir}" || detach_images || exerr "Error: Could not mount /dev/${ezjail_device} to ${ezjail_root}."
|
||
else
|
||
[ -e "${ezjail_rootdir}" -a ! -d "${ezjail_rootdir}" ] && exerr "Error: Could not create mount point for your jail image. A file exists at its location. (For existing image jails, call this tool without the .img suffix when specifying jail root.)"
|
||
[ -d "${ezjail_rootdir}" ] || mkdir -p "${ezjail_rootdir}"
|
||
fi
|
||
fi
|
||
|
||
if [ "${ezjail_fromarchive}" ]; then
|
||
unset ezjail_archive_opt
|
||
ezjail_makeabsolute ezjail_fromarchive
|
||
[ "${ezjail_fromarchive}" = "-" ] && unset ezjail_archive_opt || ezjail_archive_opt="-f ${ezjail_fromarchive}"
|
||
mkdir -p "${ezjail_rootdir}" && cd "${ezjail_rootdir}" && pax -rz -pe ${ezjail_archive_opt} -s:^ezjail:.: ezjail/*
|
||
[ $? -eq 0 ] || detach_images || exerr "Error: Could not extract archive from ${ezjail_fromarchive}."
|
||
elif [ -z "${ezjail_exists}" ]; then
|
||
# now take a copy of our template jail
|
||
mkdir -p "${ezjail_rootdir}" && cd "${ezjail_jailtemplate}" && find * | cpio -p -v "${ezjail_rootdir}" > /dev/null
|
||
[ $? -eq 0 ] || detach_images || exerr "Error: Could not copy template jail."
|
||
fi
|
||
|
||
# if a soft link is necessary, create it now
|
||
[ "${ezjail_softlink}" ] && ln -s "${ezjail_rootdir}" "${ezjail_softlink}"
|
||
|
||
# if the automount feature is not disabled, this fstab entry for new jail
|
||
# will be obeyed
|
||
echo -n > /etc/fstab.${ezjail_safename}
|
||
[ "${ezjail_imagetype}" ] && \
|
||
echo ${ezjail_devicelink} ${ezjail_rootdir} ufs rw 0 0 >> "/etc/fstab.${ezjail_safename}"
|
||
echo ${ezjail_jailbase} ${ezjail_rootdir}/basejail nullfs ro 0 0 >> "/etc/fstab.${ezjail_safename}"
|
||
|
||
# now, where everything seems to have gone right, create control file in
|
||
# ezjails config dir
|
||
mkdir -p "${ezjail_jailcfgs}" || exerr "Error: can't create ezjails control directory (${ezjail_jailcfgs})."
|
||
(
|
||
if [ "${ezjail_fromarchive_config}" ]; then
|
||
grep -E ^\# ${ezjail_fromarchive_config}; echo
|
||
else
|
||
echo -e "# To specify the start up order of your ezjails, use these lines to\n# create a Jail dependency tree. See rcorder(8) for more details."
|
||
echo -e "#\n# PROVIDE: standard_ezjail\n# REQUIRE: \n# BEFORE: \n#\n"
|
||
fi
|
||
echo export jail_${ezjail_safename}_hostname=\"${ezjail_hostname}\"
|
||
echo export jail_${ezjail_safename}_ip=\"${ezjail_ip}\"
|
||
echo export jail_${ezjail_safename}_rootdir=\"${ezjail_rootdir}\"
|
||
echo export jail_${ezjail_safename}_exec=\"/bin/sh /etc/rc\"
|
||
echo export jail_${ezjail_safename}_mount_enable=\"${ezjail_mount_enable}\"
|
||
echo export jail_${ezjail_safename}_devfs_enable=\"${ezjail_devfs_enable}\"
|
||
echo export jail_${ezjail_safename}_devfs_ruleset=\"devfsrules_jail\"
|
||
echo export jail_${ezjail_safename}_procfs_enable=\"${ezjail_procfs_enable}\"
|
||
echo export jail_${ezjail_safename}_fdescfs_enable=\"${ezjail_fdescfs_enable}\"
|
||
echo export jail_${ezjail_safename}_image=\"${ezjail_image}\"
|
||
echo export jail_${ezjail_safename}_imagetype=\"${ezjail_imagetype}\"
|
||
echo export jail_${ezjail_safename}_attachparams=\"${ezjail_attachparams}\"
|
||
echo export jail_${ezjail_safename}_attachblocking=\"${ezjail_attachblocking}\"
|
||
echo export jail_${ezjail_safename}_forceblocking=\"${ezjail_forceblocking}\"
|
||
) > "${ezjail_config}"
|
||
|
||
# Final steps for flavour installation
|
||
if [ -z "${ezjail_exists}" -a "${ezjail_flavour}" ]; then
|
||
# install files and config to new jail
|
||
cd "${ezjail_flavours}/${ezjail_flavour}" && find * | cpio -p -u -v "${ezjail_rootdir}" > /dev/null
|
||
[ $? -eq 0 ] || echo "Warning: Could not fully install flavour."
|
||
|
||
# if the packages are links and not files we have to copy them now
|
||
find "${ezjail_rootdir}/pkg/" -type l -exec cp -r -f {} {}.ezjail \; -exec mv {}.ezjail {} \;
|
||
|
||
# If a config is found, make it auto run on jails startup
|
||
if [ -f "${ezjail_rootdir}/ezjail.flavour" ]; then
|
||
ln -s /ezjail.flavour "${ezjail_rootdir}/etc/rc.d/ezjail-config.sh"
|
||
chmod 0700 "${ezjail_rootdir}/ezjail.flavour"
|
||
echo "Note: Shell scripts installed, flavourizing on jails first startup."
|
||
fi
|
||
fi
|
||
|
||
# Detach (crypto and) memory discs
|
||
detach_images keep
|
||
|
||
#
|
||
# For user convenience some scenarios commonly causing headaches are checked
|
||
#
|
||
|
||
# check, whether IP is configured on a local interface, warn if it isnt
|
||
ping -c 1 -m 1 -t 1 -q ${ezjail_ip} > /dev/null
|
||
[ $? -eq 0 ] || echo "Warning: IP ${ezjail_ip} not configured on a local interface."
|
||
|
||
# check, whether some host system services do listen on the Jails IP
|
||
TIFS=${IFS}; IFS=_
|
||
ezjail_listener=`sockstat -4 -l | grep "${ezjail_ip}:[[:digit:]]"`
|
||
[ $? -eq 0 ] && echo -e "Warning: Some services already seem to be listening on IP ${ezjail_ip}\n This may cause some confusion, here they are:\n${ezjail_listener}"
|
||
|
||
ezjail_listener=`sockstat -4 -l | grep "*:[[:digit:]]"`
|
||
[ $? -eq 0 ] && echo -e "Warning: Some services already seem to be listening on all IP, (including ${ezjail_ip})\n This may cause some confusion, here they are:\n${ezjail_listener}"
|
||
IFS=${TIFS}
|
||
|
||
[ "${ezjail_imagetype}" ] && echo "Note: To administrate your image jail, attach it using the '${ezjail_admin} config -i attach ${ezjail_hostname}' command."
|
||
;;
|
||
######################## ezjail-admin DELETE ########################
|
||
delete)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_wipeme ezjail_forcestop
|
||
|
||
shift; while getopts :wf arg; do case ${arg} in
|
||
w) ezjail_wipeme="YES";;
|
||
f) ezjail_forcestop="YES";;
|
||
?) exerr ${ezjail_usage_delete};;
|
||
esac; done; shift $(( $OPTIND - 1 ))
|
||
|
||
# we need name of jail to vanish
|
||
[ $# -eq 1 ] || exerr ${ezjail_usage_delete}
|
||
|
||
# Get all info we have on that jail
|
||
fetchjailinfo $1
|
||
|
||
# check for existence of jail in our records
|
||
[ "${ezjail_config}" ] || exerr "Error: Nothing known about jail ${ezjail_name}."
|
||
|
||
if [ "${ezjail_id}" ]; then
|
||
# if jail is still running, refuse to go any further
|
||
[ "${ezjail_forcestop}" ] || exerr "Error: Jail appears to be still running, stop it first (or use delete -f for force stop)."
|
||
|
||
# This one will also exerr on failure
|
||
start_stop_jail_by_script stop
|
||
fi
|
||
|
||
if [ "${ezjail_attached}" ]; then
|
||
# if jail is attached and detach is not forced, refuse to go any further
|
||
[ "${ezjail_forcestop}" ] || exerr "Error: Jail image file ${ezjail_image} is attached as ${ezjail_device}. '${ezjail_admin} config -i detach' it first, or (or use delete -f for force detach)."
|
||
|
||
detach_images keep
|
||
|
||
# See, if it successfully detached
|
||
fetchjailinfo ${ezjail_name}
|
||
[ "${ezjail_attached}" ] && exerr "Error: Could not detach ${ezjail_name}. You need to detach it by hand."
|
||
fi
|
||
|
||
# now we know everything we need to let the jail be gone. remove entry
|
||
# from ezjail resource structure, delete fstab.JAILNAME
|
||
rm -f "${ezjail_config}" "/etc/fstab.${ezjail_safename}"
|
||
|
||
# if there is a soft link pointing to the jail root, remove it
|
||
[ -L "${ezjail_softlink}" ] && rm -f "${ezjail_softlink}"
|
||
|
||
# if wiping the jail was requested, remove it
|
||
if [ "${ezjail_wipeme}" ]; then
|
||
[ "${ezjail_image}" ] && rm -f "${ezjail_image}" "${ezjail_image%.img}.device"
|
||
rm -rf "${ezjail_rootdir}"
|
||
fi
|
||
|
||
;;
|
||
######################## ezjail-admin LIST ########################
|
||
list)
|
||
[ $# -eq 1 ] || exerr ${ezjail_usage_list}
|
||
unset ezjail_list
|
||
|
||
[ -d "${ezjail_prefix}/etc/ezjail/" ] && cd "${ezjail_prefix}/etc/ezjail/" && ezjail_list=`ls | xargs rcorder`
|
||
|
||
printf "%-3s %-5s %-15s %-28s %s\\n" STA JID IP Hostname "Root Directory"
|
||
echo "--- ----- --------------- ---------------------------- -------------------------"
|
||
for ezjail in ${ezjail_list}; do
|
||
fetchjailinfo ${ezjail%.norun}
|
||
case ${ezjail_imagetype} in simple) ezjail_state="I";; bde) ezjail_state="B";; eli) ezjail_state="E";; *) ezjail_state="D";; esac
|
||
if [ "${ezjail_id}" ]; then
|
||
ezjail_state="${ezjail_state}R"
|
||
else
|
||
[ "${ezjail_attached}" ] && ezjail_state="${ezjail_state}A" || ezjail_state="${ezjail_state}S"
|
||
fi
|
||
[ "${ezjail_safename}" != "${ezjail}" ] && ezjail_state="${ezjail_state}N"
|
||
|
||
printf "%-3s %-5s %-15s %-28s %s\\n" "${ezjail_state}" "${ezjail_id:-N/A}" "${ezjail_ip}" "${ezjail_hostname}" "${ezjail_rootdir}"
|
||
done
|
||
|
||
;;
|
||
######################## ezjail-admin UPDATE ########################
|
||
setup|update)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_provideports
|
||
ezjail_installaction="world"
|
||
|
||
shift; while getopts :ipPs: arg; do case ${arg} in
|
||
i) ezjail_installaction="installworld";;
|
||
s) ezjail_sourcetree=${OPTARG};;
|
||
p) ezjail_provideports="YES";;
|
||
P) ezjail_provideports="YES"; ezjail_installaction="none";;
|
||
?) exerr ${ezjail_usage_update};;
|
||
esac; done; shift $(( ${OPTIND} - 1 ))
|
||
|
||
[ $# -eq 0 ] || exerr ${ezjail_usage_update}
|
||
|
||
if [ "${ezjail_installaction}" = "none" ]; then
|
||
# check, whether ezjail has been setup correctly. existence of
|
||
# ezjail_jailbase is our indicator
|
||
[ -d "${ezjail_jailbase}" ] || exerr "Error: base jail does not exist. You cannot fill base jails ports tree before creating it. Please run '${ezjail_admin} update' or '${ezjail_admin} install' first."
|
||
else
|
||
# Bump the user for some of the most common errors
|
||
[ -d "${ezjail_sourcetree}" ] || exerr "Cannot find your copy of the FreeBSD source tree in ${ezjail_sourcetree}."
|
||
[ -e "${ezjail_sourcetree}/Makefile" ] || exerr "Your source tree in ${ezjail_sourcetree} seems to be incomplete (Makefile missing)."
|
||
[ "`sysctl -n kern.securelevel`" -gt 0 ] && exerr "You're running in a secure level higher than 0. ezjail will not run correctly."
|
||
|
||
# Normally fulljail should be renamed by past ezjail-admin commands.
|
||
# However those may have failed
|
||
[ -d "${ezjail_jailfull}" ] && chflags -R noschg "${ezjail_jailfull}" && rm -rf "${ezjail_jailfull}"
|
||
mkdir -p "${ezjail_jailfull}" || exerr "Cannot create temporary Jail directory."
|
||
|
||
# make and setup our world, then split basejail and newjail
|
||
cd "${ezjail_sourcetree}" && env DESTDIR="${ezjail_jailfull}" make ${ezjail_installaction} || exerr "make ${ezjail_installaction} failed."
|
||
cd "${ezjail_sourcetree}/etc" && env DESTDIR="${ezjail_jailfull}" make distribution || exerr "make distribution failed."
|
||
ezjail_splitworld
|
||
|
||
fi # installaction="none"
|
||
|
||
# Provide a copy of ports tree in basejail
|
||
[ "${ezjail_provideports}" = "YES" ] && ezjail_updateports
|
||
|
||
;;
|
||
######################## ezjail-admin INSTALL ########################
|
||
install)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_release ezjail_installmanpages ezjail_installports ezjail_installsources ezjail_dir ezjail_reldir ezjail_ftpserverqueried
|
||
|
||
shift; while getopts :mpsh:r: arg; do case ${arg} in
|
||
m) ezjail_installmanpages=" manpages";;
|
||
s) ezjail_installsources=" src";;
|
||
p) ezjail_installports="YES";;
|
||
h) ezjail_ftphost=${OPTARG};;
|
||
r) ezjail_release=${OPTARG};;
|
||
?) exerr ${ezjail_usage_install};;
|
||
esac; done; shift $(( ${OPTIND} - 1 ))
|
||
|
||
[ $# -eq 0 ] || exerr ${ezjail_usage_install}
|
||
|
||
ezjail_installarch=`uname -p`
|
||
ezjail_ftphost=${ezjail_ftphost:-"ftp.freebsd.org"}
|
||
ezjail_ftphost=${ezjail_ftphost#ftp://}
|
||
ezjail_dir=${ezjail_ftphost#file://}
|
||
[ "${ezjail_dir%%[!/]*}" ] || ezjail_reldir=`pwd -P`
|
||
|
||
[ "`sysctl -n kern.securelevel`" -gt 0 ] && exerr "You're running in a secure level higher than 0. ezjail will not run correctly."
|
||
|
||
# ftp servers normally wont provide non-RELEASE-builds
|
||
if [ -z "${ezjail_release}" -a "${ezjail_dir}" = "${ezjail_ftphost}" ]; then
|
||
ezjail_release=`uname -r`
|
||
case ${ezjail_release} in *-STABLE) ezjail_release="${ezjail_release%-STABLE}-RELEASE";; esac
|
||
if [ "${ezjail_release%-RELEASE}" = "${ezjail_release}" ]; then
|
||
echo "Your system is ${ezjail_release}. Normally FTP-servers don't provide non-RELEASE-builds."
|
||
ezjail_queryftpserver || echo "... I'll continue anyway."
|
||
echo -n "Release [ ${ezjail_release} ]: "
|
||
read ezjail_releasetmp
|
||
[ "${ezjail_releasetmp}" ] && ezjail_release=${ezjail_releasetmp}
|
||
fi
|
||
fi
|
||
|
||
# Normally fulljail should be renamed by past ezjail-admin commands.
|
||
# However those may have failed
|
||
[ -d "${ezjail_jailfull}" ] && chflags -R noschg "${ezjail_jailfull}" && rm -rf "${ezjail_jailfull}"
|
||
mkdir -p "${ezjail_jailfull}" || exerr "Cannot create temporary Jail directory."
|
||
DESTDIR=${ezjail_jailfull}
|
||
|
||
rm -rf "${ezjail_jailtemp}"
|
||
for pkg in ${ezjail_basesystem} ${ezjail_installmanpages} ${ezjail_installsources}; do
|
||
|
||
# The first case means, that a remote host has been specified.
|
||
if [ "${ezjail_dir}" = "${ezjail_ftphost}" ]; then
|
||
# Create and try to access temp dir
|
||
mkdir -p "${ezjail_jailtemp}" || exerr "Could not create temporary base jail directory ${ezjail_jailtemp}."
|
||
cd "${ezjail_jailtemp}" || exerr "Could not cd to ${ezjail_jailtemp}."
|
||
|
||
# Try all paths as stolen from sysinstall, break on success.
|
||
for ezjail_path in pub/FreeBSD/releases pub/FreeBSD/snapshot pub/FreeBSD releases snapshots NO; do
|
||
if [ "${ezjail_path}" = "NO" ]; then
|
||
echo -e "\nCould not fetch ${pkg} from ${ezjail_ftphost}.\nMaybe your release (${ezjail_release}) is specified incorrectly or the host ${ezjail_ftphost} does not provide that release build.\nUse the -r option to specify an existing release or the -h option to specify an alternative ftp server." >&2
|
||
[ "${ezjail_ftpserverqueried}" ] || ezjail_queryftpserver
|
||
exit 1
|
||
fi
|
||
ftp "${ezjail_ftphost}:${ezjail_path}/${ezjail_installarch}/${ezjail_release}/${pkg}/*" && break
|
||
done
|
||
|
||
# These actions are really ugly: sources want $1 to contain the set
|
||
# of sources to install, base asks the user if he is sure, hence the
|
||
# yes and the set -- all
|
||
[ "${pkg}" = "base" ] && echo "Ignore the next question, ezjail answers it for you."
|
||
set -- all
|
||
[ -f install.sh ] && yes | . install.sh
|
||
[ $? -eq 0 ] || exerr "Package install script for ${pkg} failed."
|
||
|
||
rm -rf "${ezjail_jailtemp}"
|
||
else
|
||
cd "${ezjail_reldir}/${ezjail_dir}/${pkg}" || exerr "Could not cd to ${ezjail_dir}."
|
||
set -- all
|
||
[ -f install.sh ] && yes | . install.sh
|
||
[ $? -eq 0 ] || exerr "Package install script for ${pkg} failed."
|
||
fi
|
||
done
|
||
|
||
# Split basejail and newjail
|
||
ezjail_splitworld
|
||
|
||
# Fill ports, if requested
|
||
[ "${ezjail_installports}" = "YES" ] && ezjail_updateports
|
||
|
||
;;
|
||
######################## ezjail-admin SHORTCUT ########################
|
||
*start|*stop|*startcrypto|*stopcrypto)
|
||
[ -x "${ezjail_prefix}/etc/rc.d/ezjail" ] && exec "${ezjail_prefix}/etc/rc.d/ezjail" $@
|
||
[ -x "${ezjail_prefix}/etc/rc.d/ezjail.sh" ] && exec "${ezjail_prefix}/etc/rc.d/ezjail.sh" $@
|
||
|
||
exerr "Could not find ezjail's rc.d script in ${ezjail_prefix}/etc/rc.d/. You need to type it the long way."
|
||
;;
|
||
######################## ezjail-admin CONSOLE ########################
|
||
console)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_execute ezjail_forcestart
|
||
|
||
shift; while getopts :e:f arg; do case ${arg} in
|
||
e) ezjail_execute=${OPTARG};;
|
||
f) ezjail_forcestart="YES";;
|
||
?) exerr ${ezjail_usage_console};;
|
||
esac; done; shift $(( $OPTIND - 1 ))
|
||
|
||
# we need name of jail to attach to
|
||
[ $# -eq 1 ] || exerr ${ezjail_usage_console}
|
||
|
||
# Get all info we have on that jail
|
||
fetchjailinfo $1
|
||
|
||
# check for existence of jail in our records
|
||
[ "${ezjail_config}" ] || exerr "Error: Nothing known about jail ${ezjail_name}."
|
||
|
||
# if jail is not running, we either try to force start it or fail
|
||
if [ -z "${ezjail_id}" ]; then
|
||
|
||
# If force start is requested, try that
|
||
[ "$ezjail_forcestart}" ] || exerr "Error: Jail ${ezjail_name} appears not to be running, start it first (or use console -f for force start)."
|
||
|
||
# This one will also exerr on failure
|
||
start_stop_jail_by_script start
|
||
fi
|
||
|
||
# Try to attach to jail
|
||
[ "${ezjail_execute}" ] && exec jexec ${ezjail_id} ${ezjail_execute}
|
||
|
||
exec jexec ${ezjail_id} ${ezjail_default_execute}
|
||
;;
|
||
######################## ezjail-admin ARCHIVE ########################
|
||
archive)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_archive ezjail_archive_tag ezjail_force ezjail_archivealljails ezjail_addfiles
|
||
|
||
shift; while getopts :Afa:d: arg; do case ${arg} in
|
||
f) ezjail_force="YES";;
|
||
a) ezjail_archive=${OPTARG};;
|
||
d) ezjail_archivedir=${OPTARG};;
|
||
A) ezjail_archivealljails="YES";;
|
||
?) exerr ${ezjail_usage_archive};;
|
||
esac; done; shift $(( ${OPTIND} - 1 ))
|
||
|
||
# Specifying no jails only is acceptable if archiving all jails
|
||
[ $# -lt 1 -a -z "${ezjail_archivealljails}" ] && exerr ${ezjail_usage_archive}
|
||
|
||
# Default archive directory to .
|
||
ezjail_archivedir=${ezjail_archivedir:-`pwd -P`}
|
||
|
||
# Will not backup more than one jail per archive
|
||
[ "${ezjail_archive}" -a "${ezjail_archivealljails}" ] && exerr "Error: Must not specify an archive location for multiple archives."
|
||
|
||
# Will not backup more than one jail per archive
|
||
[ $# -gt 1 -a "${ezjail_archive}" ] && exerr "Error: Must not specify an archive location for multiple archives."
|
||
|
||
# Either all or only some. Decide.
|
||
[ $# -gt 0 -a "${ezjail_archivealljails}" ] && exerr "Error: Must not specify an ezjail to backup with -A."
|
||
|
||
# Fetch list of all ezjails
|
||
[ "${ezjail_archivealljails}" -a -d "${ezjail_prefix}/etc/ezjail/" ] && cd "${ezjail_prefix}/etc/ezjail/" && set - `ls | xargs rcorder`
|
||
|
||
for ezjail in $@; do
|
||
unset ezjail_imagesize
|
||
|
||
# Jail name mandatory
|
||
fetchjailinfo ${ezjail%.norun}
|
||
|
||
# Check for existence of jail in our records
|
||
[ "${ezjail_config}" ] || exerr "Error: Nothing known about jail ${ezjail_name}."
|
||
|
||
# If jail is still running, refuse to go any further - unless forced
|
||
if [ "${ezjail_id}" -a -z "${ezjail_force}" ]; then
|
||
echo "Warning: Jail ${ezjail_name} appears to be still running, stop it first or [-f]orce archiving."
|
||
continue
|
||
fi
|
||
|
||
# Attach non-attached jails, if they can be attached non blocking
|
||
if [ "${ezjail_imagetype}" -a -z "${ezjail_attached}" ]; then
|
||
if [ "${ezjail_attachblocking}" ]; then
|
||
echo "Warning: Jail ${ezjail_name} is an image jail and can not be attached automatically."
|
||
echo " Use ezjail-admin config -i attach ${ezjail_name} to attach it first."
|
||
continue
|
||
fi
|
||
$0 config -i attach ${ezjail_name} || exerr "Error: Can not attach ${ezjail_image} for ${ezjail_name}"
|
||
ezjail_imagesize=-`stat -f %z ${ezjail_image}`
|
||
fi
|
||
|
||
# This one goes into archive to identify jail by name and restore date
|
||
ezjail_archive_tag="${ezjail_safename}-`date +%Y%m%d%H%M.%S`"
|
||
|
||
# If no archive name was specified, make one up
|
||
[ "${ezjail_archive}" ] || ezjail_archive="${ezjail_archive_tag}.tar.gz"
|
||
|
||
# Archives need to know, where they came from. Restore by default only
|
||
# reinstalls jails on the same machine. We also warn on OS upgrades and
|
||
# processor type changes
|
||
ezjail_hostsystem_name=$( echo -n `uname -n` | tr -c '[:alnum:].' _ )
|
||
ezjail_hostsystem_version=$( echo -n `uname -r` | tr -c '[:alnum:].' _ )
|
||
ezjail_hostsystem_cpu=$( echo -n `uname -p` | tr -c '[:alnum:].' _ )
|
||
|
||
ezjail_archive_tag="${ezjail_archive_tag}-${ezjail_hostsystem_name}-${ezjail_hostsystem_version}-${ezjail_hostsystem_cpu}${ezjail_imagesize}"
|
||
|
||
# If archive location is not absolute, prepend archive directory
|
||
ezjail_makeabsolute ezjail_archive ${ezjail_archivedir}
|
||
|
||
# It's a tar archive, after all
|
||
case ${ezjail_archive} in
|
||
*.tar.gz|*.tgz|-) ;;
|
||
*) ezjail_archive="${ezjail_archive}.tar.gz";;
|
||
esac
|
||
|
||
# For stdout do specify nothing
|
||
[ "${ezjail_archive}" = "-" ] && unset ezjail_archive_opt || ezjail_archive_opt="-f ${ezjail_archive}"
|
||
|
||
[ -f "/etc/fstab.${ezjail_safename}" ] && ezjail_addfiles=/etc/fstab.${ezjail_safename}
|
||
|
||
cd "${ezjail_rootdir}" || exerr "Error: can't cd to ${ezjail_root}."
|
||
pax -wzXt -x ustar ${ezjail_archive_opt} \
|
||
-s:"^[^\\.].*/${ezjail_safename}\$":prop.ezjail-${ezjail_archive_tag}: \
|
||
-s:"^[^\\.].*/${ezjail_safename}.norun\$":prop.ezjail-${ezjail_archive_tag}.norun: \
|
||
-s:"etc/fstab.${ezjail_safename}\$":fstab.ezjail: \
|
||
-s:"^\\.":ezjail: \
|
||
"${ezjail_config}" ${ezjail_addfiles} .
|
||
|
||
ezjail_paxresult=$?
|
||
|
||
# Detach previously attached jail
|
||
[ "${ezjail_imagesize}" ] && cd / && $0 config -i detach ${ezjail_name}
|
||
|
||
# An error on a jail not running is bad
|
||
[ ${ezjail_paxresult} -eq 0 -o "${ezjail_force}" ] || exerr "Error: Archiving jail failed. You might want to check ${ezjail_archive}."
|
||
|
||
# When archiving a running jail, some errors might occur
|
||
[ ${ezjail_paxresult} -eq 0 ] || echo "Warning: Archiving jail ${ezjail_name} was not completely successful. For a running jail this is not unusual. You might want to check ${ezjail_archive}."
|
||
|
||
unset ezjail_archive ezjail_archive_opt ezjail_addfiles
|
||
done
|
||
;;
|
||
####################### ezjail-admin RESTORE ########################
|
||
restore)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_archivedir ezjail_safename ezjail_forcerestore
|
||
|
||
shift; while getopts :d:f arg; do case ${arg} in
|
||
d) ezjail_archivedir=${OPTARG};;
|
||
f) ezjail_forcerestore="YES";;
|
||
?) exerr ${ezjail_usage_restore};;
|
||
esac; done; shift $(( ${OPTIND} - 1 ))
|
||
|
||
[ $# -eq 0 ] && exerr ${ezjail_usage_restore}
|
||
|
||
# Default archive directory to .
|
||
ezjail_archivedir=${ezjail_archivedir:-`pwd -P`}
|
||
|
||
for ezjail_fromarchive in $@; do
|
||
unset ezjail_safename ezjail_imagedata ezjail_nameprop
|
||
|
||
# if archive location is absolute and doesn't exist, fail
|
||
[ "${ezjail_fromarchive%%[!/]*}" -a ! -f "${ezjail_fromarchive}" ] && exerr "Error: File for archive ${ezjail_fromarchive} not found."
|
||
if [ -z "${ezjail_fromarchive%%[!/]*}" ]; then
|
||
# Try archive location
|
||
if [ -r "${ezjail_archivedir}/${ezjail_fromarchive}" ]; then
|
||
ezjail_fromarchive="${ezjail_archivedir}/${ezjail_fromarchive}"
|
||
else
|
||
# If archive is not found, try guessing by jail name
|
||
ezjail_safename=`echo -n "${ezjail_fromarchive}" | tr -c '[:alnum:]' _`
|
||
unset ezjail_fromarchive
|
||
for ezjail_archive in "${ezjail_archivedir}/${ezjail_safename}"*; do
|
||
[ -z "${ezjail_fromarchive}" -a -f "${ezjail_archive}" ] && ezjail_fromarchive=${ezjail_archive}
|
||
[ "${ezjail_archive}" -nt "${ezjail_fromarchive}" ] && ezjail_fromarchive=${ezjail_archive}
|
||
done
|
||
[ -f "${ezjail_fromarchive}" ] || exerr "Error: No archive for pattern ${ezjail_safename} can be found."
|
||
fi
|
||
fi
|
||
|
||
# We want to parse some content from archive. In order to reduce
|
||
# security implication this may have, we check owner and permission.
|
||
#
|
||
# However, this does not protect against admins transporting
|
||
# archives over insecure lines over the net.
|
||
[ `stat -f %u "${ezjail_fromarchive}"` -eq 0 ] || exerr "Error: Insecure ownership of archive ${ezjail_fromarchive}. Please check the file and chown it to root if you trust its source."
|
||
[ $(( `stat -f %OLp "${ezjail_fromarchive}"` & 0022 )) -eq 0 ] || exerr "Error: Insecure permissions for archive ${ezjail_fromarchive}. Please check the file and fix permission (chmod og-w) if you trust its source."
|
||
|
||
ezjail_nameprop=`pax -zn -f ${ezjail_fromarchive} prop.ezjail-\*`
|
||
[ $? -eq 0 -a "${ezjail_nameprop}" ] || exerr "Error: File ${ezjail_fromarchive} is not an ezjail archive."
|
||
|
||
# Figure out, what jail and jail enviroment archive claims to contain
|
||
TIFS=${IFS}; IFS=-; set - ${ezjail_nameprop}
|
||
ezjail_nameprop_safename=$2 ezjail_nameprop_hsname=$4 ezjail_nameprop_hsversion=$5 ezjail_nameprop_hscpu=$6 ezjail_nameprop_imgagesize=$7
|
||
IFS=${TIFS}
|
||
|
||
# Figure out current system environment
|
||
ezjail_hsname=$( echo -n `uname -n` | tr -c '[:alnum:].' _ )
|
||
ezjail_hsversion=$( echo -n `uname -r` | tr -c '[:alnum:].' _ )
|
||
ezjail_hscpu=$( echo -n `uname -p` | tr -c '[:alnum:].' _ )
|
||
|
||
# Catch all errors that will likely create a broken backup
|
||
[ "${ezjail_safename}" -a "${ezjail_safename}" != "${ezjail_nameprop_safename}" ] && exerr "Error: Archive name ${ezjail_fromarchive} does not match archived jail ${ezjail_nameprop_safename}."
|
||
[ "${ezjail_hsname}" != "${ezjail_nameprop_hsname}" && -z "${ezjail_forcerestore}" ] && exerr "Error: Archive was created on host named ${ezjail_hsname}. Consider using \"ezjail-admin create -a\" when migrating ezjails or -f to force restore."
|
||
[ "${ezjail_hscpu}" != "${ezjail_nameprop_hscpu}" && -z "${ezjail_forcerestore}" ] && exerr "Error: Archive was created on a different CPU. Can not restore. Consider using \"ezjail-admin create -a\" when migrating ezjails or -f to force restore."
|
||
|
||
# Save config to tempfile and source it
|
||
ezjail_config=`mktemp /tmp/ezjail.prop.XXXXXXXX`
|
||
[ $? -ne 0 ] && exerr "Error: Can't create temporary file."
|
||
pax -rzn -s:${ezjail_nameprop}:${ezjail_config}: -f ${ezjail_fromarchive} ${ezjail_nameprop}
|
||
fetchjailinfo ${ezjail_safename} ${ezjail_config}
|
||
|
||
# Now all parameters are here, invoke ezjail-admin create
|
||
[ "${ezjail_rootdir}" -a "$ezjail_ip}" -a "${ezjail_hostname}" ] || exerr "Error: Archive does not contain a valid ezjail properties file."
|
||
if [ "${ezjail_imagetype}" ]; then
|
||
ezjail_imagedata="-c ${ezjail_imagetype} -C '${ezjail_attachparams}' -s ${ezjail_nameprop_imgagesize}"
|
||
fi
|
||
|
||
$0 create -a "${ezjail_fromarchive}" -A "${ezjail_config}" ${ezjail_imagedata} -r "${ezjail_rootdir}" "${ezjail_hostname}" "${ezjail_ip}" || exerr "Error: create failed."
|
||
rm -f "${ezjail_config}"
|
||
|
||
done
|
||
;;
|
||
######################## ezjail-admin CONFIG ########################
|
||
config)
|
||
# Clean variables, prevent polution
|
||
unset ezjail_setrunnable ezjail_imageaction ezjail_new_name
|
||
|
||
shift; while getopts :r:i:n: arg; do case ${arg} in
|
||
i) ezjail_imageaction=${OPTARG};;
|
||
r) ezjail_setrunnable=${OPTARG};;
|
||
n) ezjail_new_name=${OPTARG};;
|
||
?) exerr ${ezjail_usage_config};;
|
||
esac; done; shift $(( ${OPTIND} - 1 ))
|
||
|
||
[ $# -eq 1 ] || exerr ${ezjail_usage_config}
|
||
|
||
# Jail name mandatory
|
||
fetchjailinfo $1
|
||
|
||
# check for existence of jail in our records
|
||
[ "${ezjail_config}" ] || exerr "Error: Nothing known about jail ${ezjail_name}."
|
||
|
||
# Nothing to be configured?
|
||
[ "${ezjail_setrunnable}" -o "${ezjail_new_name}" -o "${ezjail_imageaction}" ] || echo "Warning: No config option specified."
|
||
|
||
# Do we want a new name for our jail?
|
||
if [ "${ezjail_new_name}" ]; then
|
||
# if jail is still running, refuse to go any further
|
||
[ "${ezjail_id}" ] && exerr "Error: Jail appears to be still running, stop it first."
|
||
|
||
# Cannot rename an attached jail
|
||
[ "${ezjail_attached}" ] && exerr "Error: Jail image file ${ezjail_image} is attached as ${ezjail_device}. '${ezjail_admin} config -i detach' it first."
|
||
|
||
# The new values for the jail
|
||
ezjail_new_hostname=`echo -n ${ezjail_new_name} | tr '/~' '__'`
|
||
ezjail_new_safename=`echo -n "${ezjail_new_name}" | tr -c '[:alnum:]' _`
|
||
ezjail_new_rootdir=`dirname -- ${ezjail_rootdir}`/${ezjail_new_hostname}
|
||
ezjail_new_config="${ezjail_jailcfgs}/${ezjail_new_safename}"
|
||
[ "${ezjail_config}" = "${ezjail_config%.norun}" ] || ezjail_new_config="${ezjail_jailcfgs}/${ezjail_new_safename}.norun"
|
||
ezjail_new_softlink=${ezjail_jaildir}/`basename -- "${ezjail_new_rootdir}"`
|
||
|
||
# those are just copied
|
||
eval ezjail_new_ip=\"\$jail_${ezjail_safename}_ip\"
|
||
eval ezjail_new_exec=\"\$jail_${ezjail_safename}_exec\"
|
||
eval ezjail_new_mount_enable=\"\$jail_${ezjail_safename}_mount_enable\"
|
||
eval ezjail_new_devfs_enable=\"\$jail_${ezjail_safename}_devfs_enable\"
|
||
eval ezjail_new_devfs_ruleset=\"\$jail_${ezjail_safename}_devfs_ruleset\"
|
||
eval ezjail_new_procfs_enable=\"\$jail_${ezjail_safename}_devfs_enable\"
|
||
eval ezjail_new_fdescfs_enable=\"\$jail_${ezjail_safename}_fdescfs_enable\"
|
||
eval ezjail_new_attachparams=\"\$jail_${ezjail_safename}_attachparams\"
|
||
eval ezjail_new_attachblocking=\"\$jail_${ezjail_safename}_attachblocking\"
|
||
eval ezjail_new_forceblocking=\"\$jail_${ezjail_safename}_forceblocking\"
|
||
eval ezjail_new_imagetype=\"\$jail_${ezjail_safename}_imagetype\"
|
||
|
||
# This scenario really will only lead to real troubles in the 'fulljail'
|
||
# case, but I should still explain this to the user and not claim that
|
||
# "an ezjail would already exist"
|
||
case ${ezjail_new_hostname} in basejail|newjail|fulljail|flavours|ezjailtemp) exerr "Error: ezjail needs the ${ezjail_new_hostname} directory for its own administrative purposes. Please rename the ezjail.";; esac
|
||
|
||
# jail names may lead to identical configs, eg. foo.bar.com == foo-bar.com
|
||
# so check, whether we might be running into problems
|
||
[ -e "${ezjail_new_config}" -o -e "${ezjail_new_config}.norun" ] && exerr "Error: an ezjail config already exists at ${ezjail_new_config}. Please rename the ezjail."
|
||
|
||
# since we just used the old rootdir prefix and added the new hostname,
|
||
# we might end up at an existing directory
|
||
[ -e "${ezjail_new_rootdir}" ] && exerr "Error: An object already exists at ${ezjail_new_rootdir}, cant rename."
|
||
|
||
# prevent trouble with creating our softlink
|
||
[ -L "${ezjail_softlink}" -a -e "${ezjail_new_softlink}" ] && exerr "Error: An object already exists at ${ezjail_new_softlink}, cant create softlink there."
|
||
|
||
# need to rename the image?
|
||
if [ "${ezjail_image}" ]; then
|
||
# Do we have an auto generated image name?
|
||
if [ "${ezjail_rootdir}.img" = "${ezjail_image}" ]; then
|
||
ezjail_new_image="${ezjail_new_rootdir}.img"
|
||
[ -e "${ezjail_new_image}" ] && exerr "Error: An object already exists at ${ezjail_new_image}, cant rename image."
|
||
mv "${ezjail_image}" "${ezjail_new_image}"
|
||
else
|
||
ezjail_new_image=${ezjail_image}
|
||
echo "Warning: Image file for jail ${ezjail_name} remains ${ezjail_image}, as it was not auto generated"
|
||
fi
|
||
else
|
||
unset ezjail_new_image
|
||
fi
|
||
|
||
# adjust softlink
|
||
if [ -L "${ezjail_softlink}" ]; then
|
||
rm -f "${ezjail_softlink}"
|
||
ln -s "${ezjail_new_rootdir}" "${ezjail_new_softlink}"
|
||
fi
|
||
|
||
# rename rootdir
|
||
mv "${ezjail_rootdir}" "${ezjail_new_rootdir}"
|
||
|
||
# rename fstab
|
||
echo -n > "/etc/fstab.${ezjail_new_safename}"
|
||
[ "${ezjail_new_imagetype}" ] && \
|
||
echo ${ezjail_new_rootdir}.device ${ezjail_new_rootdir} ufs rw 0 0 >> "/etc/fstab.${ezjail_new_safename}"
|
||
echo ${ezjail_jailbase} ${ezjail_new_rootdir}/basejail nullfs ro 0 0 >> "/etc/fstab.${ezjail_new_safename}"
|
||
rm -f "/etc/fstab.${ezjail_safename}"
|
||
|
||
# rename config file, preserve comments
|
||
(
|
||
grep -e ^\# "${ezjail_config}"
|
||
echo
|
||
echo export jail_${ezjail_new_safename}_hostname=\"${ezjail_new_hostname}\"
|
||
echo export jail_${ezjail_new_safename}_ip=\"${ezjail_new_ip}\"
|
||
echo export jail_${ezjail_new_safename}_rootdir=\"${ezjail_new_rootdir}\"
|
||
echo export jail_${ezjail_new_safename}_exec=\"${ezjail_new_exec}\"
|
||
echo export jail_${ezjail_new_safename}_mount_enable=\"${ezjail_new_mount_enable}\"
|
||
echo export jail_${ezjail_new_safename}_devfs_enable=\"${ezjail_new_devfs_enable}\"
|
||
echo export jail_${ezjail_new_safename}_devfs_ruleset=\"${ezjail_new_devfs_ruleset}\"
|
||
echo export jail_${ezjail_new_safename}_procfs_enable=\"${ezjail_new_procfs_enable}\"
|
||
echo export jail_${ezjail_new_safename}_fdescfs_enable=\"${ezjail_new_fdescfs_enable}\"
|
||
echo export jail_${ezjail_new_safename}_image=\"${ezjail_new_image}\"
|
||
echo export jail_${ezjail_new_safename}_imagetype=\"${ezjail_new_imagetype}\"
|
||
echo export jail_${ezjail_new_safename}_attachparams=\"${ezjail_new_attachparams}\"
|
||
echo export jail_${ezjail_new_safename}_attachblocking=\"${ezjail_new_attachblocking}\"
|
||
echo export jail_${ezjail_new_safename}_forceblocking=\"${ezjail_new_forceblocking}\"
|
||
) > "${ezjail_new_config}"
|
||
|
||
# remove old config
|
||
rm -f "${ezjail_config}"
|
||
|
||
# usually that doesnt go smoothly, but the user wanted it
|
||
# that way ;)
|
||
echo "Jail has been renamed. You might want to check ${ezjail_new_config} and /etc/fstab.${ezjail_new_safename} to ensure everything has gone smoothly."
|
||
echo "Also check settings in your Jail's /etc/ directory (especially /etc/rc.conf)."
|
||
|
||
# reread config
|
||
fetchjailinfo ${ezjail_new_safename}
|
||
fi
|
||
|
||
case "${ezjail_setrunnable}" in
|
||
run) [ "${ezjail_config}" = "${ezjail_config%.norun}" ] || mv "${ezjail_config}" "${ezjail_config%.norun}";;
|
||
norun) [ "${ezjail_config}" = "${ezjail_config%.norun}" ] && mv "${ezjail_config}" "${ezjail_config}.norun" ;;
|
||
esac
|
||
|
||
[ "${ezjail_imageaction}" -a -z "${ezjail_image}" ] && exerr "Error: Jail ${ezjail_name} not an image jail."
|
||
|
||
case "${ezjail_imageaction}" in
|
||
attach)
|
||
# Check, if image already attached
|
||
[ "${ezjail_attached}" ] && exerr "Error: Jail image file ${ezjail_image} already attached as ${ezjail_device}."
|
||
rm -f "${ezjail_devicelink}"
|
||
|
||
# Attach images by type
|
||
attach_images
|
||
|
||
# Clean image
|
||
fsck -t ufs -p -B "/dev/${ezjail_device}"
|
||
|
||
mount "/dev/${ezjail_device}" "${ezjail_rootdir}" || detach_images keep || exerr "Error: Could not mount /dev/${ezjail_device} to ${ezjail_rootdir}."
|
||
# relink image device
|
||
ln -s "/dev/${ezjail_device}" "${ezjail_devicelink}"
|
||
|
||
;;
|
||
detach)
|
||
# Check, if image really attached or running
|
||
[ "${ezjail_id}" ] && exerr "Error: Jail ${ezjail_name} still running. Can not detach."
|
||
[ "${ezjail_attached}" ] || exerr "Error: Jail image file ${ezjail_name} is not attached."
|
||
|
||
# Unmount/detach everything
|
||
detach_images keep
|
||
;;
|
||
fsck)
|
||
# Check, if image already attached
|
||
[ "${ezjail_attached}" ] && exerr "Error: Jail image file ${ezjail_image} already attached as ${ezjail_device}."
|
||
rm -f "${ezjail_devicelink}"
|
||
|
||
# Attach images by type
|
||
attach_images
|
||
|
||
# Clean image
|
||
fsck -t ufs "/dev/${ezjail_device}"
|
||
|
||
# Detach images by type
|
||
detach_images keep
|
||
;;
|
||
esac
|
||
;;
|
||
*)
|
||
exerr "${ezjail_usage_ezjailadmin}"
|
||
;;
|
||
esac
|