avoid nesting, some may say this introduces ugly style, I consider it more concise
This commit is contained in:
erdgeist
parent
3fd667c236
commit
b8e30d37cb
132
ezjail-admin
132
ezjail-admin
@ -2,10 +2,11 @@
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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_jailcfgs=${ezjail_prefix}/etc/ezjail
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ezjail_etc=${ezjail_prefix}/etc
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ezjail_jailcfgs=${ezjail_etc}/ezjail
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if [ -f ${ezjail_prefix}/etc/ezjail.conf ]; then
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. ${ezjail_prefix}/etc/ezjail.conf;
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if [ -f ${ezjail_etc}/ezjail.conf ]; then
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. ${ezjail_etc}/ezjail.conf;
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fi
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# set defaults
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@ -21,22 +22,21 @@ ezjail_devfs_ruleset=${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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function exerr () { echo $*; exit 1; }
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# check for command
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if [ -z "$1" ]; then
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echo "Usage: `basename $0` [create|delete|list|update] {params}";
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exit 1;
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fi
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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 xr: $*`
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if [ $? != 0 ]; then
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echo 'Usage: ezjail create [-r jailroot] [-x] jailname jailip';
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exit 1;
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fi
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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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@ -45,34 +45,25 @@ create)
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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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newjail_name=$1; newjail_ip=$2;
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# we need at least a name and an ip for new jail
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if [ -z "$newjail_name" -o -z "$newjail_ip" -o $# != 2 ]; then
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echo 'Usage: ezjail create [-r jailroot] [-x] jailname jailip'; exit 1;
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fi
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[ "$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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if [ $? != 0 ]; then
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echo "Warning: IP $newjail_ip not configured on a local interface"
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fi
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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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if [ ! -d $ezjail_jailbase ]; then
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echo "Error: base jail does not exist. Please run 'ezjail-admin update' first"
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exit 1;
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fi
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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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if [ ${ezjail_jaildir#/} = ${ezjail_jaildir} ]; then
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echo "Error: Need an absolute path in ezjail_jaildir, it is currently set to: $ezjail_jaildir"
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exit 1;
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fi
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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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@ -84,30 +75,39 @@ create)
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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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if [ ${newjail_root#/} = ${newjail_root} ]; then
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newjail_root=$ezjail_jaildir/$newjail_root
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fi
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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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if [ -e $newjail_softlink -a $newjail_fill = "YES" ]; then
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echo Error: an ezjail already exists at $newjail_softlink
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exit 1;
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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 "Note: 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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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 ${newjail_root}
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if [ "$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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if [ $newjail_softlink ]; then
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ln -s $newjail_root $newjail_softlink
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fi
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[ "$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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@ -128,12 +128,10 @@ create)
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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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if [ $? != 0 ]; then
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echo 'Usage: ezjail delete [-w] jailname';
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exit 1;
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fi
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[ $? = 0 ] || exerr 'Usage: ezjail delete [-w] jailname'; exit 1;
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oldjail_wipe="NO"
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@ -147,17 +145,13 @@ delete)
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oldjail_name=$1;
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# we only need name of jail to vanish
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if [ -z "$oldjail_name" -o $# != 1 ]; then
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echo 'Usage: ezjail delete [-w] jailname'; exit 1;
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fi
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[ "$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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if [ ! -f ${ezjail_jailcfgs}/${oldjail_nname} ]; then
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echo "Error: Nothing known about jail $oldjail_name"; exit 1
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fi
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[ -f ${ezjail_jailcfgs}/${oldjail_nname} ] || exerr "Error: Nothing known about jail $oldjail_name"
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# fetch information about the jail to be gone
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# by parsing our records
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@ -180,17 +174,14 @@ delete)
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# if there is a soft link pointing to the jail root, remove it
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oldjail_softlink=$ezjail_jaildir/`basename $oldjail_rootdir`
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if [ -L $oldjail_softlink ]; then
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rm $oldjail_softlink
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fi
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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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if [ $oldjail_wipe = "YES" ]; then
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rm -rf $oldjail_rootdir
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fi
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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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@ -201,12 +192,10 @@ list)
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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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if [ $? != 0 ]; then
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echo 'Usage: ezjail update [-s sourcetree] [-i]';
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exit 1;
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fi
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[ $? = 0 ] || exerr 'Usage: ezjail update [-s sourcetree] [-i]'
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updatejail_installaction="world"
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@ -219,26 +208,25 @@ setup|update)
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esac
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done;
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if [ ! -d ${ezjail_sourcetree} ]; then
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echo "Cannot find your copy of the FreeBSD source tree in $ezjail_sourcetree."; exit 1;
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fi
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if [ ! -f ${ezjail_sourcetree}/Makefile ]; then
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echo "Your source tree in $ezjail_sourcetree seems to be incomplete (Makefile missing)."; exit 1;
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fi
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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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if [ $? != 0 ]; then
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echo "make ${updatejail_installaction} failed"; exit 1;
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fi
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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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if [ $? != 0 ]; then
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echo "make distribution failed"; exit 1;
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fi
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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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