summaryrefslogtreecommitdiff
path: root/ezjail-admin
blob: 775d7fbabfd5266eaa66fb5fd8666ae10394c3d0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
#!/bin/sh
# $Id$

# ugly: this variable is set during port install time
ezjail_prefix=EZJAIL_PREFIX
ezjail_admin=`basename -- $0`
ezjail_etc="${ezjail_prefix}/etc"
ezjail_share="${ezjail_prefix}/share/ezjail"
ezjail_examples="${ezjail_prefix}/share/examples/ezjail"
ezjail_jailcfgs="${ezjail_etc}/ezjail"

# read user config
[ -f "${ezjail_etc}/ezjail.conf" ] && . "${ezjail_etc}/ezjail.conf"

# set defaults
ezjail_jaildir=${ezjail_jaildir:-"/usr/jails"}
ezjail_jailtemplate=${ezjail_jailtemplate:-"${ezjail_jaildir}/newjail"}
ezjail_jailbase=${ezjail_jailbase:-"${ezjail_jaildir}/basejail"}
ezjail_jailfull=${ezjail_jailfull:-"${ezjail_jaildir}/fulljail"}
ezjail_jailtemp=${ezjail_jailtemp:-"${ezjail_jaildir}/ezjailtemp"}
ezjail_flavours=${ezjail_flavours:-"${ezjail_jaildir}/flavours"}
ezjail_portscvsroot=${ezjail_portscvsroot:-":pserver:anoncvs@anoncvs.at.FreeBSD.org:/home/ncvs"}
ezjail_sourcetree=${ezjail_sourcetree:-"/usr/src"}
ezjail_uglyperlhack=${ezjail_uglyperlhack:-"YES"}
ezjail_default_execute=${ezjail_default_execute:-"/bin/sh"}

ezjail_mount_enable=${ezjail_mount_enable:-"YES"}
ezjail_devfs_enable=${ezjail_devfs_enable:-"YES"}
ezjail_devfs_ruleset=${ezjail_devfs_ruleset:-"devfsrules_jail"}
ezjail_procfs_enable=${ezjail_procfs_enable:-"YES"}
ezjail_fdescfs_enable=${ezjail_fdescfs_enable:-"YES"}

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"
case `uname -p` in amd64) ezjail_dirlist="${ezjail_dirlist} usr/lib32";; esac

# Synopsis messages
ezjail_usage_ezjailadmin="Usage: ${ezjail_admin} [archive|config|console|create|delete|install|list|restore|update] {params}"
ezjail_usage_install="Usage: ${ezjail_admin} install [-mps] [-h host] [-r release]"
ezjail_usage_create="Usage: ${ezjail_admin} create [-xbi] [-f flavour] [-r jailroot] [-s size] [-c bde|eli] [-C args] [-a archive] jailname jailip"
ezjail_usage_delete="Usage: ${ezjail_admin} delete [-w] jailname"
ezjail_usage_update="Usage: ${ezjail_admin} update [-s sourcetree] [-i] [-pP]"
ezjail_usage_config="Usage: ${ezjail_admin} config [-r run|norun] [-n newname] [-i attach|detach|fsck] jailname"
ezjail_usage_console="Usage: ${ezjail_admin} console [-f] [-e command] jailname"
ezjail_usage_archive="Usage: ${ezjail_admin} archive [-Af] [-a archive] [-d archivedir] jailname [jailname...]"
ezjail_usage_restore="Usage: ${ezjail_admin} restore [-d archivedir] (archive|jailname)..."
ezjail_usage_list="Usage: ${ezjail_admin} list"

################################
# End of variable initialization
#

# define our bail out shortcut
exerr () { echo -e $* >&2 ; exit 1; }

# generic attach routine for image jails
attach_images () {
  # Create a memory disc from jail image
  ezjail_imagedevice=`mdconfig -a -t vnode -f ${ezjail_image}` || exerr "Error: Could not attach memory disc."

  # If this is a crypto jail, try to mount it, remind user, which jail
  # this is. In this case, the device to mount is 
  case ${ezjail_imagetype} in
  crypto|bde)
    echo Attaching bde device for image jail ${ezjail}...
    echo gbde attach "/dev/${ezjail_imagedevice}" ${ezjail_attachparams} | /bin/sh
    [ $? -eq 0 ] || detach_images keep || exerr "Error: Attaching bde device failed."
    # Device to mount is not md anymore
    ezjail_device="${ezjail_imagedevice}.bde"
    ;;
  eli)
    echo "Attaching eli device for image jail ${ezjail}..."
    echo geli attach ${ezjail_attachparams} "/dev/${ezjail_imagedevice}" | /bin/sh 
    [ $? -eq 0 ] || detach_images keep || exerr "Error: Attaching eli device failed."
    # Device to mount is not md anymore
    ezjail_device="${ezjail_imagedevice}.eli"
    ;;
  simple)
    ezjail_device=${ezjail_imagedevice}
    ;;
  esac
}

# define detach strategy for image jails
detach_images () {
  # unmount and detach memory disc
  if [ "${ezjail_imagedevice}" ]; then
    umount "${ezjail_rootdir}" > /dev/null 2> /dev/null
    case ${ezjail_imagetype} in
      bde) gbde detach "/dev/${ezjail_imagedevice}" > /dev/null;;
      eli) geli detach "/dev/${ezjail_imagedevice}" > /dev/null;;
    esac
    mdconfig -d -u "${ezjail_imagedevice}" > /dev/null
    [ "$1" = "keep" ] || rm -f "${ezjail_image}"
  fi

  # Remove soft link (which acts as a lock)
  [ -e "/dev/${ezjail_imagedevice}" ] || rm -f "${ezjail_devicelink}"

  # This function is being called in case of error. Keep $? bad
  return 1
}

# Find and execute our rc script
start_stop_jail_by_script () {
  ezjail_action=$1
  [ "${ezjail_action}" = "start" ] && ezjail_success_check="-n" || ezjail_success_check="-z"

  # Try to locate and run ezjails rc.d script
  if [ -x "${ezjail_prefix}/etc/rc.d/ezjail" ]; then
    (exec "${ezjail_prefix}/etc/rc.d/ezjail" ${ezjail_action} ${ezjail_name});
  elif [ -x "${ezjail_prefix}/etc/rc.d/ezjail.sh" ]; then
    (exec "${ezjail_prefix}/etc/rc.d/ezjail.sh" ${ezjail_action} ${ezjail_name});
  else
    exerr "Could not find ezjail's rc.d script in ${ezjail_prefix}/etc/rc.d/. You need to ${ezjail_action} ${ezjail_name} by hand."
  fi

  # Check for success of our operation
  fetchjailinfo ${ezjail_name}
  [ ${ezjail_success_check} "${ezjail_id}" ] || exerr "Error: Could not ${ezjail_action} ${ezjail_name}. You need to ${ezjail_action} it by hand."
}

# fetch everything we need to know about an ezjail from config
fetchjailinfo () {
  ezjail_name=$1

  # Clean variables, prevent polution
  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

  ezjail_safename=`echo -n "${ezjail_name}" | tr -c '[:alnum:]' _`

  [ -e "${ezjail_jailcfgs}/${ezjail_safename}"       ] && ezjail_config="${ezjail_jailcfgs}/${ezjail_safename}"
  [ -e "${ezjail_jailcfgs}/${ezjail_safename}.norun" ] && ezjail_config="${ezjail_jailcfgs}/${ezjail_safename}.norun"
  [ "${ezjail_config}" ] || return 0

  . "${ezjail_config}"
  eval ezjail_hostname=\"\$jail_${ezjail_safename}_hostname\"
  eval ezjail_rootdir=\"\$jail_${ezjail_safename}_rootdir\"
  eval ezjail_ip=\"\$jail_${ezjail_safename}_ip\"
  eval ezjail_image=\"\$jail_${ezjail_safename}_image\"
  eval ezjail_imagetype=\"\$jail_${ezjail_safename}_imagetype\"
  eval ezjail_attachparams=\"\$jail_${ezjail_safename}_attachparams\"
  eval ezjail_attachblocking=\"\$jail_${ezjail_safename}_attachblocking\"
  eval ezjail_forceblocking=\"\$jail_${ezjail_safename}_forceblocking\"

  ezjail_softlink=${ezjail_jaildir}/`basename -- "${ezjail_rootdir}"`
  ezjail_devicelink="${ezjail_rootdir}.device"

  if [ "${ezjail_image}" -a -L "${ezjail_devicelink}" ]; then
    # Fetch destination of soft link
    ezjail_device=`stat -f "%Y" ${ezjail_devicelink}`
    ezjail_device_geom=${ezjail_device#/dev/}

    # Add this device to the list of devices to be unmounted
    case ${ezjail_imagetype} in
      crypto|bde) ezjail_imagedevice=${ezjail_device_geom%.bde} ;;
      eli)        ezjail_imagedevice=${ezjail_device_geom%.eli} ;;
      *)          ezjail_imagedevice=${ezjail_device_geom} ;;
    esac

    mount -p -v | grep -q -E "^${ezjail_devicelink}.${ezjail_rootdir}" && ezjail_attached="YES"
    mount -p -v | grep -q -E "^${ezjail_device}.${ezjail_rootdir}" && ezjail_attached="YES"

    # Stale device link detected. Remove and clean.
    [ -z "${ezjail_attached}" ] && unset ezjail_device && rm -f "${ezjail_devicelink}"
  fi

  [ -f "/var/run/jail_${ezjail_safename}.id" ] && ezjail_id=`cat /var/run/jail_${ezjail_safename}.id` || return
  jls | grep -q -E "^ +${ezjail_id} " || unset ezjail_id
}

# fill the base jail - this function is used by install and update
ezjail_splitworld() {
  # Fill basejail from installed world
  cd "${ezjail_jailfull}" || exerr "Cant access temporary Jail directory."

  # This mkdir is important, since cpio will create intermediate
  # directories with permission 0700 which is bad
  mkdir -p "${ezjail_jailbase}/usr"
  for dir in ${ezjail_dirlist}; do
    find ${dir} | cpio -d -p -v "${ezjail_jailbase}" || exerr "Installation of ${dir} failed."
    chflags -R noschg ${dir}; rm -r ${dir}; ln -s /basejail/${dir} ${dir}
  done
  mkdir basejail

  # Try to remove the old template jail
  [ -d "${ezjail_jailtemplate}" ] && chflags -R noschg "${ezjail_jailtemplate}" && rm -rf "${ezjail_jailtemplate}"
  mv "${ezjail_jailfull}" "${ezjail_jailtemplate}"

  # If the default flavour example has not yet been copied, do it now
  [ -d "${ezjail_flavours}/default" ] || mkdir -p "${ezjail_flavours}" && cp -p -R "${ezjail_examples}/default" "${ezjail_flavours}"

  # no /usr/ports? link to /basejail/usr/ports
  [ -e "${ezjail_jailtemplate}/usr/ports" ] || ln -s /basejail/usr/ports "${ezjail_jailtemplate}/usr/ports"

  # A ports collection inside jails is hardly useful w/o an appropriate
  # /etc/make.conf.
  if [ -f "${ezjail_examples}/default/etc/make.conf" -a ! -f "${ezjail_jailtemplate}/etc/make.conf" ]; then
    cp -p "${ezjail_examples}/default/etc/make.conf" "${ezjail_jailtemplate}/etc/"
    echo "Note: a non-standard /etc/make.conf was copied to the template jail in order to get the ports collection running inside jails."
  fi

  # The ugly perl hack[tm]. Note: we wont do such things for any given
  # port :(
  [ "${ezjail_uglyperlhack}" = "YES" -a ! -L "${ezjail_jailbase}/usr/bin/perl" ] && ln -s /usr/local/bin/perl "${ezjail_jailbase}/usr/bin/perl"
}

# The user may want to have a ports tree in basejail
ezjail_updateports () {
  local _portsnap_fetch="fetch"
  # if /usr/ports/CVS exists, assume cvs up is safe
  # this is legacy
  if [ -f "${ezjail_jailbase}/usr/ports/CVS/Root" ]; then
    echo -n "Updating ports from "; cat "${ezjail_jailbase}/usr/ports/CVS/Root"
    echo "Warning: Upgrading legacy ports copy. Consider removing ${ezjail_jailbase}/usr/ports and use the new portsnap strategy instead."
    echo "Gathering local information may take a while."
    cd "${ezjail_jailbase}/usr/ports/" && cvs -d "${ezjail_portscvsroot}" up -Pd
  else
    [ -z "$TERM" -o "$TERM" = "dumb" ] && _portsnap_fetch="cron"
    portsnap ${_portsnap_fetch}
    [ -d "${ezjail_jailbase}/usr/ports" ] && ezjail_portsnapaction="update"
    portsnap -p "${ezjail_jailbase}/usr/ports" ${ezjail_portsnapaction:-"extract"}
  fi
  [ $? -eq 0 ] || exerr "Updating ports failed."
}

# Try to fetch the list of releases the server provides
ezjail_queryftpserver () {
  unset _ret
  echo -n "Querying your ftp-server... "
  TIFS=${IFS}; IFS=
  for ezjail_path in pub/FreeBSD/releases pub/FreeBSD/snapshot pub/FreeBSD releases snapshots NO; do
    if [ ${ezjail_path} = "NO" ]; then
      echo "Warning: I am having problems querying the ftp server you specified (${ezjail_ftphost})."
      _ret=1; break
    fi
    ezjail_ftpresponse=`echo ls | ftp "${ezjail_ftphost}:${ezjail_path}/${ezjail_installarch}/" 2> /dev/null` 2> /dev/null
    if [ $? -eq 0 ]; then
      echo -e "The ftp server you specified (${ezjail_ftphost}) seems to provide the following builds:\n${ezjail_ftpresponse}"
      _ret=0; break 2
    fi
  done
  IFS=${TIFS}
  ezjail_ftpserverqueried="YES"
  return ${_ret}
}

#############################
# End of function definitions
#

# check for command
[ $# -gt 0 ] || exerr ${ezjail_usage_ezjailadmin}

case "$1" in
######################## ezjail-admin CREATE ########################
create)
  # Clean variables, prevent polution
  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
  shift; while getopts :f:r:s:xbic:C:a: arg; do case ${arg} in
    x) ezjail_exists="YES";;
    r) ezjail_rootdir=${OPTARG};;
    f) ezjail_flavour=${OPTARG};;
    a) ezjail_fromarchive=${OPTARG};;
    c) ezjail_imagetype=${OPTARG};;
    C) ezjail_imageparams=${OPTARG};;
    b) ezjail_forceblocking="YES";;
    i) ezjail_imagetype=${ezjail_imagetype:-"simple"};;
    s) ezjail_imagesize=${OPTARG};;
    ?) exerr ${ezjail_usage_create};;
  esac; done; shift $(( ${OPTIND} - 1 ))

  ezjail_name=$1; ezjail_ip=$2

  # 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."

  # check for a sane image type
  case ${ezjail_imagetype} in ""|simple|bde|eli) ;; *) exerr ${ezjail_usage_create};; esac

  # check for a sane image size and split it up in blocks
  if [ "${ezjail_imagesize}" ]; then
    _val=`echo "${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`
    [ $? -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
  [ "${ezjail_rootdir%%[!/]*}" ] || ezjail_rootdir="${ezjail_jaildir}/${ezjail_rootdir}"

  # 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."
  [ "${ezjail_fromarchive}" -a ! -r "${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=`echo $0 _parse_g${ezjail_imagetype}_attach_args_ ${ezjail_imageparams} | /bin/sh`
        [ 5 -eq $? ] && exerr "processing of ezjail_imageparams failed"
        [ 3 -eq $? ] && 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 [ "${ezjail_fromarchive}" ]; then
    mkdir -p "${ezjail_rootdir}" && tar xfp "${ezjail_fromarchive}" -C "${ezjail_rootdir}" --strip-components 1 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})."
  ( 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"
  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 "${ezjail_softlink}" ] && rm "${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}

  [ "`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 base ${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|*stopcryÃpto)
  [ -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

  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
  if [ "${ezjail_archivealljails}" ]; then
    [ -d "${ezjail_prefix}/etc/ezjail/" ] && cd "${ezjail_prefix}/etc/ezjail/" && set - `ls | xargs rcorder`
  fi

  while [ $# -gt 0 ]; do
    # Jail name mandatory
    fetchjailinfo ${1%.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
    [ "${ezjail_id}" -a -z "${ezjail_force}" ] && exerr "Error: Jail appears to be still running, stop it first or [-f]orce archiving."

    # 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"

    # if archive location is not absolute, prepend archive directory
    [ "${ezjail_archive%%[!/]*}" ] || ezjail_archive="${ezjail_archivedir}/${ezjail_archive}"

    # It's a tar archive, after all
    case ${ezjail_archive} in
      *.tar.gz|*.tgz) ;;
      *) ezjail_archive="${ezjail_archive}.tar.gz" ;;
    esac;

    cd "${ezjail_rootdir}" || exerr "Error: can't cd to ${ezjail_root}."
    pax -wXtz -x ustar -f "${ezjail_archive}" \
      -s:"^[^\\.].*/ezjail\\.conf\$":ezjail.conf: \
      -s:"^[^\\.].*/${ezjail_safename}\$":prop.ezjail_${ezjail_archive_tag}: \
      -s:"^[^\\.].*/${ezjail_safename}.norun\$":prop.ezjail_${ezjail_archive_tag}.norun: \
      -s:"etc/fstab.${ezjail_safename}\$":fstab.ezjail: \
      -s:"^\\.":ezjail: \
      "/etc/fstab.${ezjail_safename}" "${ezjail_config}" "${ezjail_etc}/ezjail.conf" . 2> /dev/null

    # An error on a jail not running is bad
    [ $? -eq 0 -o "${ezjail_force}" ] || exerr "Error: Archiving jail failed. You might want to check ${ezjail_archive}."

    # When archiving a running jail, some errors might occur
    [ $? -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}."

    # To the next jail on command line
    shift 1
    unset ezjail_archive
  done
  ;;
####################### ezjail-admin RESTORE ########################
restore)
  # Clean variables, prevent polution
  unset ezjail_fromarchive ezjail_archivedir

#ezjail_usage_restore="Usage: ${ezjail_admin} restore [-d archivedir] (archive|jailname)..."

  shift; while getopts :d: arg; do case ${arg} in
    d) ezjail_archivedir=${OPTARG};;
    ?) exerr ${ezjail_usage_restore};;
  esac; done; shift $(( ${OPTIND} - 1 ))

  [ $# -eq 0 ] || exerr ${ezjail_usage_restore}

  # Jail name mandatory
  fetchjailinfo $1

  ;;
######################## 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 "${ezjail_softlink}" ]; then
      rm "${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 "/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 "${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
  ;;

##############################################################################
# ezjail_imageparams HACK starts here
#
#  
_parse_geli_attach_args_)
  # create geli(8) attach arguments from geli(8) init arguments:
  #    -P becomes -p if present, -K newkeyfile becomes -k newkeyfile if present, 
  #    everything else is dicarded
  #  exit values: 2->NO_ERROR, 3->NO_ERROR,PASSWORD_SET, 5->PARSER_ERROR
  _exit=2
  shift; while getopts :bPva:i:K:l:s: arg; do case ${arg} in
      b|v|a|i|l|s);; # ignore these
      P) echo -n "-p "; _exit=3 ;;
      K) echo -n "-k '$OPTARG' ";;
      ?) exit 5;;
  esac; done
  exit ${_exit}
  ;;
_parse_gbde_attach_args_)
  # create gbde(8) attach arguments from gbde(8) init arguments:
  #   -L lockfile becomes -l lockfile if present
  #   -K keyfile becomes -k keyfile if present
  #   -P passphrase becomes -p passphrase if present
  #   everything else is discarded
  #  exit values: 2->NO_ERROR, 3->NO_ERROR+PASSWORD_SET, 5->PARSER_ERROR  
  _exit=2
  shift; while getopts :iK:f:L:P: arg; do case ${arg} in
      i|f);; # ignore these
      P) echo -n "-p '$OPTARG' "; _exit=3;;
      K) echo -n "-k '$OPTARG' ";;
      L) echo -n "-l '$OPTARG' ";;
      ?) exit 5;;
  esac; done
  exit ${_exit}
  ;;
#
# ezjail_imageparams HACK ends here (thank god)
##############################################################################

*)
  exerr ${ezjail_usage_ezjailadmin}
  ;;
esac