7 # REQUIRE: LOGIN FILESYSTEMS
9 # KEYWORD: nojail shutdown
16 start_cmd="jail_start"
17 start_postcmd="jail_warn"
19 config_cmd="jail_config"
20 console_cmd="jail_console"
21 status_cmd="jail_status"
22 extra_commands="config console status"
23 : ${jail_conf:=/etc/jail.conf}
24 : ${jail_program:=/usr/sbin/jail}
25 : ${jail_consolecmd:=/usr/bin/login -f root}
26 : ${jail_jexec:=/usr/sbin/jexec}
27 : ${jail_jls:=/usr/sbin/jls}
31 # extract_var jv name param num defval
32 # Extract value from ${jail_$jv_$name} or ${jail_$name} and
33 # set it to $param. If not defined, $defval is used.
34 # When $num is [0-9]*, ${jail_$jv_$name$num} are looked up and
35 # $param is set by using +=. $num=0 is optional (params may start at 1).
36 # When $num is YN or NY, the value is interpret as boolean.
39 local i _jv _name _param _num _def _name1 _name2
48 _name1=jail_${_jv}_${_name}
50 eval $_name1=\"\${$_name1:-\${$_name2:-$_def}}\"
51 if checkyesno $_name1; then
58 _name1=jail_${_jv}_${_name}
60 eval $_name1=\"\${$_name1:-\${$_name2:-$_def}}\"
61 if checkyesno $_name1; then
70 _name1=jail_${_jv}_${_name}${i}
71 _name2=jail_${_name}${i}
72 eval _tmpargs=\"\${$_name1:-\${$_name2:-$_def}}\"
73 if [ -n "$_tmpargs" ]; then
74 echo " $_param += \"$_tmpargs\";"
75 elif [ $i != 0 ]; then
82 _name1=jail_${_jv}_${_name}
84 eval _tmpargs=\"\${$_name1:-\${$_name2:-$_def}}\"
85 if [ -n "$_tmpargs" ]; then
86 echo " $_param = \"$_tmpargs\";"
92 # parse_options _j _jv
93 # Parse options and create a temporary configuration file if necessary.
102 if [ -z "$_j" ]; then
103 warn "parse_options: you must specify a jail"
106 eval _jconf=\"\${jail_${_jv}_conf:-/etc/jail.${_j}.conf}\"
107 eval _rootdir=\"\$jail_${_jv}_rootdir\"
108 eval _hostname=\"\$jail_${_jv}_hostname\"
109 if [ -z "$_rootdir" -o \
110 -z "$_hostname" ]; then
111 if [ -r "$_jconf" ]; then
114 elif [ -r "$jail_conf" ]; then
118 warn "Invalid configuration for $_j " \
119 "(no jail.conf, no hostname, or no path). " \
120 "Jail $_j was ignored."
124 eval _ip=\"\$jail_${_jv}_ip\"
125 if [ -z "$_ip" ] && ! check_kern_features vimage; then
126 warn "no ipaddress specified and no vimage support. " \
127 "Jail $_j was ignored."
130 _conf=/var/run/jail.${_j}.conf
132 # To relieve confusion, show a warning message.
135 if [ -r "$jail_conf" -o -r "$_jconf" ]; then
136 if ! checkyesno jail_parallel_start; then
137 warn "$_conf is created and used for jail $_j."
140 /usr/bin/install -m 0644 -o root -g wheel /dev/null $_conf || return 1
142 eval : \${jail_${_jv}_flags:=${jail_flags}}
143 eval _exec=\"\$jail_${_jv}_exec\"
144 eval _exec_start=\"\$jail_${_jv}_exec_start\"
145 eval _exec_stop=\"\$jail_${_jv}_exec_stop\"
146 if [ -n "${_exec}" ]; then
147 # simple/backward-compatible execution
148 _exec_start="${_exec}"
152 if [ -z "${_exec_start}" ]; then
153 _exec_start="/bin/sh /etc/rc"
154 if [ -z "${_exec_stop}" ]; then
155 _exec_stop="/bin/sh /etc/rc.shutdown"
159 eval _interface=\"\${jail_${_jv}_interface:-${jail_interface}}\"
160 eval _parameters=\"\${jail_${_jv}_parameters:-${jail_parameters}}\"
161 eval _fstab=\"\${jail_${_jv}_fstab:-${jail_fstab:-/etc/fstab.$_j}}\"
163 date +"# Generated by rc.d/jail at %Y-%m-%d %H:%M:%S"
165 extract_var $_jv hostname host.hostname - ""
166 extract_var $_jv rootdir path - ""
167 if [ -n "$_ip" ]; then
168 extract_var $_jv interface interface - ""
169 jail_handle_ips_option $_ip $_interface
172 eval _x=\"\$jail_${_jv}_ip_multi${alias}\"
173 [ -z "$_x" ] && break
175 jail_handle_ips_option $_x $_interface
176 alias=$(($alias + 1))
178 case $need_dad_wait in
180 # Sleep to let DAD complete before
182 echo " exec.start += \"sleep " \
183 $(($(${SYSCTL_N} net.inet6.ip6.dad_count) + 1)) \
187 # These are applicable only to non-vimage jails.
188 extract_var $_jv fib exec.fib - ""
189 extract_var $_jv socket_unixiproute_only \
190 allow.raw_sockets NY YES
193 extract_var $_jv vnet_interface vnet.interface - ""
197 echo " exec.system_user = \"root\";"
198 echo " exec.jail_user = \"root\";"
199 extract_var $_jv exec_prestart exec.prestart 0 ""
200 extract_var $_jv exec_poststart exec.poststart 0 ""
201 extract_var $_jv exec_prestop exec.prestop 0 ""
202 extract_var $_jv exec_poststop exec.poststop 0 ""
204 echo " exec.start += \"$_exec_start\";"
205 extract_var $_jv exec_afterstart exec.start 0 ""
206 echo " exec.stop = \"$_exec_stop\";"
208 extract_var $_jv consolelog exec.consolelog - \
209 /var/log/jail_${_j}_console.log
211 if [ -r $_fstab ]; then
212 echo " mount.fstab = \"$_fstab\";"
215 eval : \${jail_${_jv}_devfs_enable:=${jail_devfs_enable:-NO}}
216 if checkyesno jail_${_jv}_devfs_enable; then
218 eval _ruleset=\${jail_${_jv}_devfs_ruleset:-${jail_devfs_ruleset}}
221 [0-9]*) echo " devfs_ruleset = \"$_ruleset\";" ;;
223 # XXX: This is the default value,
224 # Let jail(8) to use the default because
225 # mount(8) only accepts an integer.
226 # This should accept a ruleset name.
228 *) warn "devfs_ruleset must be an integer." ;;
231 eval : \${jail_${_jv}_fdescfs_enable:=${jail_fdescfs_enable:-NO}}
232 if checkyesno jail_${_jv}_fdescfs_enable; then
233 echo " mount.fdescfs;"
235 eval : \${jail_${_jv}_procfs_enable:=${jail_procfs_enable:-NO}}
236 if checkyesno jail_${_jv}_procfs_enable; then
237 echo " mount.procfs;"
240 eval : \${jail_${_jv}_mount_enable:=${jail_mount_enable:-NO}}
241 if checkyesno jail_${_jv}_mount_enable; then
245 extract_var $_jv set_hostname_allow allow.set_hostname YN NO
246 extract_var $_jv sysvipc_allow allow.sysvipc YN NO
247 for _p in $_parameters; do
256 # jail_extract_address argument iface
257 # The second argument is the string from one of the _ip
258 # or the _multi variables. In case of a comma separated list
259 # only one argument must be passed in at a time.
260 # The function alters the _type, _iface, _addr and _mask variables.
262 jail_extract_address()
268 if [ -z "${_i}" ]; then
269 warn "jail_extract_address: called without input"
273 # Check if we have an interface prefix given and split into
276 *\|*) # ifN|.. prefix there
285 # In case the IP has no interface given, check if we have a global one.
286 _iface=${_iface:-${_interface}}
288 # Set address, cut off any prefix/netmask/prefixlen.
290 _addr=${_addr%%[/ ]*}
292 # Theoretically we can return here if interface is not set,
293 # as we only care about the _mask if we call ifconfig.
294 # This is not done because we may want to santize IP addresses
295 # based on _type later, and optionally change the type as well.
297 # Extract the prefix/netmask/prefixlen part by cutting off the address.
299 _mask=`expr "${_mask}" : "${_addr}\(.*\)"`
301 # Identify type {inet,inet6}.
303 *\.*\.*\.*) _type="inet" ;;
304 *:*) _type="inet6" ;;
305 *) warn "jail_extract_address: type not identified"
309 # Handle the special /netmask instead of /prefix or
310 # "netmask xxx" case for legacy IP.
311 # We do NOT support shortend class-full netmasks.
312 if [ "${_type}" = "inet" ]; then
314 /*\.*\.*\.*) _mask=" netmask ${_mask#/}" ;;
318 # In case _mask is still not set use /32.
321 elif [ "${_type}" = "inet6" ]; then
322 # In case _mask is not set for IPv6, use /128.
327 # jail_handle_ips_option input iface
328 # Handle a single argument imput which can be a comma separated
329 # list of addresses (theoretically with an option interface and
330 # prefix/netmask/prefixlen).
332 jail_handle_ips_option()
334 local _x _type _i _defif
338 if [ -z "${_x}" ]; then
339 # No IP given. This can happen for the primary address
340 # of each address family.
344 # Loop, in case we find a comma separated list, we need to handle
345 # each argument on its own.
346 while [ ${#_x} -gt 0 ]; do
348 *,*) # Extract the first argument and strip it off the list.
349 _i=`expr "${_x}" : '^\([^,]*\)'`
350 _x=`expr "${_x}" : "^[^,]*,\(.*\)"`
361 jail_extract_address $_i $_defif
363 # make sure we got an address.
369 # Append address to list of addresses for the jail command.
372 echo " ip4.addr += \"${_iface:+${_iface}|}${_addr}${_mask}\";"
375 echo " ip6.addr += \"${_iface:+${_iface}|}${_addr}${_mask}\";"
390 _j=$(echo $_j | tr /. _)
391 _jv=$(echo -n $_j | tr -c '[:alnum:]' _)
392 if parse_options $_j $_jv; then
393 echo "$_j: parameters are in $_conf."
402 # One argument that is not _ALL.
404 0:*|1:_ALL) err 3 "Specify a jail name." ;;
407 _j=$(echo $1 | tr /. _)
408 _jv=$(echo -n $1 | tr -c '[:alnum:]' _)
411 0) eval _cmd=\${jail_${_jv}_consolecmd:-$jail_consolecmd} ;;
414 $jail_jexec $_j $_cmd
425 local _j _jv _jid _id _name
430 echo -n 'Starting jails:'
433 command=$jail_program
435 command_args="-f $jail_conf -c"
436 if ! checkyesno jail_parallel_start; then
437 command_args="$command_args -p1"
439 _tmp=`mktemp -t jail` || exit 3
440 if $command $rc_flags $command_args >> $_tmp 2>&1; then
441 $jail_jls jid name | while read _id _name; do
443 echo $_id > /var/run/jail_${_name}.id
453 if checkyesno jail_parallel_start; then
455 # Start jails in parallel and then check jail id when
456 # jail_parallel_start is YES.
459 _j=$(echo $_j | tr /. _)
460 _jv=$(echo -n $_j | tr -c '[:alnum:]' _)
461 parse_options $_j $_jv || continue
463 eval rc_flags=\${jail_${_jv}_flags:-$jail_flags}
464 eval command=\${jail_${_jv}_program:-$jail_program}
465 command_args="-i -f $_conf -c $_j"
467 _tmp=`mktemp -t jail_${_j}` || exit 3
468 if $command $rc_flags $command_args \
469 >> $_tmp 2>&1 </dev/null; then
470 echo -n " ${_hostname:-${_j}}"
471 _jid=$($jail_jls -j $_j jid)
472 echo $_jid > /var/run/jail_${_j}.id
474 echo " cannot start jail " \
475 "\"${_hostname:-${_j}}\": "
484 # Start jails one-by-one when jail_parallel_start is NO.
487 _j=$(echo $_j | tr /. _)
488 _jv=$(echo -n $_j | tr -c '[:alnum:]' _)
489 parse_options $_j $_jv || continue
491 eval rc_flags=\${jail_${_jv}_flags:-$jail_flags}
492 eval command=\${jail_${_jv}_program:-$jail_program}
493 command_args="-i -f $_conf -c $_j"
494 _tmp=`mktemp -t jail` || exit 3
495 if $command $rc_flags $command_args \
496 >> $_tmp 2>&1 </dev/null; then
497 echo -n " ${_hostname:-${_j}}"
498 _jid=$($jail_jls -j $_j jid)
499 echo $_jid > /var/run/jail_${_j}.id
501 echo " cannot start jail " \
502 "\"${_hostname:-${_j}}\": "
518 echo -n 'Stopping jails:'
521 command=$jail_program
523 command_args="-f $jail_conf -r"
524 if checkyesno jail_reverse_stop; then
525 $jail_jls name | tail -r
528 fi | while read _j; do
530 _tmp=`mktemp -t jail` || exit 3
531 $command $rc_flags $command_args $_j >> $_tmp 2>&1
532 if $jail_jls -j $_j > /dev/null 2>&1; then
535 rm -f /var/run/jail_${_j}.id
543 checkyesno jail_reverse_stop && set -- $(reverse_list $@)
545 _j=$(echo $_j | tr /. _)
546 _jv=$(echo -n $_j | tr -c '[:alnum:]' _)
547 parse_options $_j $_jv || continue
548 if ! $jail_jls -j $_j > /dev/null 2>&1; then
551 eval command=\${jail_${_jv}_program:-$jail_program}
552 echo -n " ${_hostname:-${_j}}"
553 _tmp=`mktemp -t jail` || exit 3
554 $command -q -f $_conf -r $_j >> $_tmp 2>&1
555 if $jail_jls -j $_j > /dev/null 2>&1; then
558 rm -f /var/run/jail_${_j}.id
568 # To relieve confusion, show a warning message.
570 1) warn "Per-jail configuration via jail_* variables " \
571 "is obsolete. Please consider to migrate to $jail_conf."
578 1) run_rc_command $@ ${jail_list:-_ALL} ;;
579 *) jail_reverse_stop="no"