261 lines
9.8 KiB
Bash
Executable File
261 lines
9.8 KiB
Bash
Executable File
#!/bin/sh
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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_etc=${ezjail_prefix}/etc
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ezjail_share=${ezjail_prefix}/share
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ezjail_jailcfgs=${ezjail_etc}/ezjail
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if [ -f ${ezjail_etc}/ezjail.conf ]; then
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. ${ezjail_etc}/ezjail.conf;
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fi
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# set defaults
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ezjail_jaildir=${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_sourcetree=${ezjail_sourcetree:-"/usr/src"}
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ezjail_mount_enable=${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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exerr () { echo $*; exit 1; }
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# check for command
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[ "$1" ] || exerr "Usage: `basename $0` [create|delete|list|update] {params}"
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case "$1" in
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######################## ezjail-admin CREATE ########################
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create)
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shift
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args=`getopt xf:r: $*`
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[ $? = 0 ] || exerr 'Usage: ezjail create [-f flavour] [-r jailroot] [-x] jailname jailip';
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newjail_root=
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newjail_flavour=
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newjail_flav=
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newjail_softlink=
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newjail_fill="YES"
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set -- $args
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for arg do
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case $arg in
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-x) newjail_fill="NO"; shift;;
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-r) newjail_root="$2"; shift 2;;
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-f) newjail_flavour="$2"; shift 2;;
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--) shift; break;;
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esac
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done;
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newjail_name=$1; newjail_ip=$2;
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# we need at least a name and an ip for new jail
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[ "$newjail_name" -a "$newjail_ip" -a $# = 2 ] || exerr 'Usage: ezjail create [-f flavour] [-r jailroot] [-x] jailname jailip'
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# check, whether IP is configured on a local interface, warn if it isnt
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ping -c 1 -m 1 -t 1 -q $newjail_ip > /dev/null
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[ $? = 0 ] || echo "Warning: IP $newjail_ip not configured on a local interface"
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# check, whether ezjail-update has been called. existence of
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# ezjail_jailbase is our indicator
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[ -d $ezjail_jailbase ] || exerr "Error: base jail does not exist. Please run 'ezjail-admin update' first"
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# relative paths don't make sense in rc.scripts
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[ ${ezjail_jaildir#/} = ${ezjail_jaildir} ] && exerr "Error: Need an absolute path in ezjail_jaildir, it is currently set to: $ezjail_jaildir"
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# jail names must not have names that irritate file systems,
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# excluding dots from this list was done intentionally to
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# allow foo.com style directory names, however, the jail
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# name will be foo_com in most scripts
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newjail_name=`echo $newjail_name | tr /~ __`;
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newjail_root=${newjail_root:-"$ezjail_jaildir/$newjail_name"}
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newjail_nname=`echo $newjail_name | tr . _`;
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# if jail root specified on command line is not absolute,
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# make it absolute inside our jail directory
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[ ${newjail_root#/} = ${newjail_root} ] || newjail_root=$ezjail_jaildir/$newjail_root
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# if jail root specified on command line does not lie
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# within our jail directory, we need to create a softlink
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if [ ${newjail_root##${ezjail_jaildir}} = $newjail_root ]; then
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newjail_softlink=$ezjail_jaildir/`basename $newjail_root`
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[ -e $newjail_softlink -a $newjail_fill = "YES" ] && exerr "Error: an ezjail already exists at $newjail_softlink"
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fi
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# do some sanity checks on the selected flavour (if any)
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if [ "$newjail_flavour" ]; then
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# simple case wins, most often you won't have a ezjail.flavour.FLAV
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# AND a ./FLAV lying around. If you do, you won't need "./httpd"
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# but /ezjail_etc/ezjail.flavour.httpd, whatever ./httpd would be
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# For now exit with error, maybe just warn later.
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[ -f "$newjail_flavour" ] && newjail_flav=${newjail_flavour}
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# if flavour contains a '/', it aint a short name
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if [ ${newjail_flavour} = ${newjail_flavour%/*} -a \
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-f ${ezjail_etc}/ezjail.flavour.${newjail_flavour} ]; then
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[ "$newjail_flav" ] && exerr "Error: flavour ${newjail_flavour} conflicts with file ./${newjail_flavour}"
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$newjail_flav=${ezjail_etc}/ezjail.flavour.${newjail_flavour}
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fi
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# Flavour not found
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[ "$newjail_flav" ] || exerr "Error: Flavour file $newjail_flavour not found"
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fi
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# now take a copy of our template jail
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if [ "$newjail_fill" = "YES" ]; then
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mkdir -p ${newjail_root} && cd ${ezjail_jailtemplate} && \
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find * | cpio -p -v ${newjail_root}
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fi
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# if a soft link is necessary, create it now
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[ "$newjail_softlink" ] && ln -s $newjail_root $newjail_softlink
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# if the automount feature is not disabled, create an
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# fstab entry for new jail
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echo $ezjail_jailbase $newjail_root/basejail nullfs ro 0 0 > /etc/fstab.$newjail_nname
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# now, where everything seems to have gone right,
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# create control file in ezjails config dir
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mkdir -p $ezjail_jailcfgs
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echo export jail_${newjail_nname}_hostname=\"${newjail_name}\" > ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_ip=\"${newjail_ip}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_rootdir=\"${newjail_root}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_exec=\"/bin/sh /etc/rc\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_mount_enable=\"${ezjail_mount_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_devfs_enable=\"${ezjail_devfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_devfs_ruleset=\"devfsrules_jail\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_procfs_enable=\"${ezjail_procfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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echo export jail_${newjail_nname}_fdescfs_enable=\"${ezjail_fdescfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
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# Final steps for flavour installation
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if [ "${newjail_flav}" ]; then
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install -o root -g wheel -m 0755 ${newjail_flav} ${newjail_root}/ezjail.flavour
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install -o root -g wheel -m 0755 ${ezjail_share}/ezjail-config.sh ${newjail_root}/etc/rc.d/ezjail-config.sh
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echo "Shell scripts installed, flavourizing on jails first startup"
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fi
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;;
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delete)
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######################## ezjail-admin DELETE ########################
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shift
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args=`getopt w $*`
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[ $? = 0 ] || exerr 'Usage: ezjail delete [-w] jailname'; exit 1;
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oldjail_wipe="NO"
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set -- $args
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for arg do
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case $arg in
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-w) oldjail_wipe="YES"; shift;;
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--) shift; break;;
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esac
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done;
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oldjail_name=$1;
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# we only need name of jail to vanish
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[ "$oldjail_name" -a $# = 1 ] || exerr 'Usage: ezjail delete [-w] jailname'
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# tidy up jail name the ezjail way
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oldjail_nname=`echo $oldjail_name | tr /~. ___`;
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# check for existence of jail in our records
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[ -f ${ezjail_jailcfgs}/${oldjail_nname} ] || exerr "Error: Nothing known about jail $oldjail_name"
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# fetch information about the jail to be gone
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# by parsing our records
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. ${ezjail_jailcfgs}/${oldjail_nname}
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eval oldjail_rootdir=\"\$jail_${oldjail_nname}_rootdir\"
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# if jail is still running, refuse to go any further
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if [ -f /var/run/jail_${oldjail_nname}.id ]; then
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echo "Error: Jail appears to be still running, stop it first"
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echo "(/var/run/jail_${oldjail_nname}.id exists)"
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exit 1;
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fi
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# now we know everything we need to let the jail be gone
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# remove entry from ezjail resource structure
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rm -f ${ezjail_jailcfgs}/${oldjail_nname}
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# delete fstab.JAILNAME
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rm -f /etc/fstab.$oldjail_nname
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# if there is a soft link pointing to the jail root, remove it
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oldjail_softlink=$ezjail_jaildir/`basename $oldjail_rootdir`
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[ -L $oldjail_softlink ] && rm $oldjail_softlink
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# if wiping the jail was requested, remove it
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[ $oldjail_wipe = "YES" ] && rm -rf $oldjail_rootdir
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;;
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list)
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######################## ezjail-admin LIST ########################
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jail_list=`ls $ezjail_jailcfgs`
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for jail in $jail_list; do
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. ${ezjail_jailcfgs}/$jail
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eval jail_ip=\"\$jail_${jail}_ip\"
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eval jail_hostname=\"\$jail_${jail}_hostname\"
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eval jail_rootdir=\"\$jail_${jail}_rootdir\"
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printf "%-15s %-28s %s\\n" $jail_ip $jail_hostname $jail_rootdir
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done
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;;
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setup|update)
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######################## ezjail-admin UPDATE ########################
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shift
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args=`getopt is: $*`
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[ $? = 0 ] || exerr 'Usage: ezjail update [-s sourcetree] [-i]'
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updatejail_installaction="world"
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set -- $args
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for arg do
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case $arg in
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-i) updatejail_installaction="installworld"; shift;;
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-s) ezjail_sourcetree="$2"; shift 2;;
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--) shift; break;;
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esac
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done;
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# Bump the user for some of the most common errors
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[ -d ${ezjail_sourcetree} ] || exerr "Cannot find your copy of the FreeBSD source tree in $ezjail_sourcetree."
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[ -f ${ezjail_sourcetree}/Makefile ] || exerr "Your source tree in $ezjail_sourcetree seems to be incomplete (Makefile missing)."
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cd ${ezjail_sourcetree}
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# Normally fulljail should be renamed by past ezjail-admin commands
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# However those may have failed
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rm -rf ${ezjail_jailfull}; mkdir -p ${ezjail_jailfull}
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# make our world
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make ${updatejail_installaction} DESTDIR=${ezjail_jailfull}
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[ $? = 0 ] || exerr "make ${updatejail_installaction} failed"
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# setup world
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make distribution DESTDIR=${ezjail_jailfull}
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[ $? = 0 ] || exerr "make distribution failed"
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cd ${ezjail_jailfull}
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# Fill basejail from installed world
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mkdir -p ${ezjail_jailbase}/usr ${ezjail_jailbase}/config/pkg
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for a in bin sbin usr/bin usr/include usr/lib usr/libexec usr/sbin usr/src usr/share; do
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find ${a} | cpio -d -p -v ${ezjail_jailbase};
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chflags -R noschg ${a}; rm -r ${a}; ln -s /basejail/${a} ${a}
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done
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mkdir basejail
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ln -s /basejail/usr/ports usr/ports
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if [ -d ${ezjail_jailtemplate} ]; then
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rm -rf ${ezjail_jailtemplate}_old
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mv ${ezjail_jailtemplate} ${ezjail_jailtemplate}_old
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fi
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mv ${ezjail_jailfull} ${ezjail_jailtemplate}
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;;
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*)
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echo "Usage: `basename $0` [create|delete|list|update] {params}"; exit;
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;;
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esac
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