summaryrefslogtreecommitdiffstats
path: root/src/initramfs/scripts/etc/functions
blob: 066d27568fac6a3aa1fc38059f6d6ccf45a63442 (plain) (blame)
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
# Copyright (c) 2003..2006 - RZ Uni Freiburg
# Copyright (c) 2006..2009 - OpenSLX GmbH
#
# This program/file is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# Common functions file for the configuration of linux diskless clients
# (included by init, hwautocfg, servconfig, ... within OpenSLX initialramfs)

#############################################################################
# set of empty dummy functions (loaded before real functions in the
# distro specific files - to have no undeclared function in init, serv-
# config, hwautocfg, ...)

# distro specific funtion called at the beginning of init script
preinit () {
:
}
# distro specific funtion called at the end of init script
postinit () {
:
}
# distro specific general function called from servconfig script
config_distro () {
:
}
# setup netconsole
config_netconsole () {
:
}

#############################################################################
# produce error message and if $2 is empty run (debug) shell
error () {
local e_msg="$1"
# set LOGFILE if not defined
[ -z "${LOGFILE}" ] && LOGFILE="/dev/null"
# if nonfatal error else fatal error message and shell
if [ -n "$2" ] ; then
  [ "$DEBUGLEVEL" -ge 1 -a "$DEBUGLEVEL" != 8 ] && \
    echo -e "${error_msg}${e_msg}${error_nfe}" >> ${LOGFILE}
  [ "$DEBUGLEVEL" -gt 1 -a "$DEBUGLEVEL" != 8 ] && \
    echo -e "${error_msg}${e_msg}${error_nfe}"
  [ "$DEBUGLEVEL" -gt 2 -a "$DEBUGLEVEL" != 8 ] && usleep 10
else
  echo -e "${error_msg}${e_msg}${error_shell}"
  /bin/sh
  echo -n "Reboot now? [y] (nothing happens here at the moment)"
  exec < /dev/console > /dev/console
  #input="y"
  #read input
  #[ -z "$input" -o "$input" = "y" -o "$input" = "Y" ] && {
  #  sleep 4
  #  [ -f /proc/sysrq-trigger ] || mount -t proc none /proc
  #  echo "b" > /proc/sysrq-trigger
  #}
fi
}
#############################################################################
# system uptime for performance analysis
sysup () {
uptime=$(sed -e "s, .*,," /proc/uptime)
echo "${uptime} s."
# if start times are kept, a summary of runtimes would be possible too
}
#############################################################################
# (re)generate dynamic linked libraries cache from /etc/ld.so.conf
ldcfg () {
[ -n "${ldsc}" ] && echo -e "$init_ldcfg" && ldconfig /tmp/ld.so.cache &
}
#############################################################################
# URI interpreter $1 variable to interprete, $2 type of token to return
# prot: tftp, http, nbd, ... server: IP or FQDN
uri_token () {
local var=$1
local prot
local rest
local server
local path
local port
local tmpval
local query=""
# first check if URI starts with prot:// - URI scheme
if strinstr "://" "$1" ; then
  prot=${var%://*}
  rest=${var#*://}
else
  rest="$var"
  prot=""
fi
# remove temporary '::' from path, since it conflicts with port specification
# ticket #232
if strinstr "::" "$rest" ; then
  rest=$(echo $rest | sed -e 's,::,§§§§§,g')
elif strinstr "\:\:" "$rest" ; then
  rest=$(echo $rest | sed -e 's,\:\:,§§§§§,g')
fi
# get the server IP or name and port - URI authority
# you get the path or other token without leading "/" - add it later if
# needed (fixme: port might be broken)
if strinstr ":" "$rest" ; then
  server="${rest%:*}"
  rest="${rest#*:}"
  path="${rest#*/}"
  port="${rest%/$path}"
else
  tmpval=$rest
  rest="${rest#*/}"
  server="$(echo $tmpval|sed 's,/.*,,')"
  path="${tmpval#${server}}"
  port=""
fi
# get path and query components - URI path, query
if strinstr "\?" "$rest" ; then
  path="${path%\?*}"
  query="${rest#*\?}"
fi
# return the requested token
case "$2" in
  prot) echo "$prot" ;;
  server) echo "$server" ;;
  # add '::' again to path, remove duplicate "//"
  path) echo "$path" | sed -e 's,§§§§§,\:\:,g;s,//,/,' ;;
  port) echo "$port" ;;
  query) echo "$query" ;;
esac
}
#############################################################################
# mounter for different file sources
fsmount () {
local proto=$1
local server=$2
local srcpath=$3
local target=$4
local mntopt=$5
local transport
testmkd ${target}
case "${proto}" in
  *nbd)
    # TODO: to be filled in ...
  ;;
  lbdev)
    # we expect the stuff on toplevel directory, filesystem type should be
    # autodetected here ... (vmimgserv is blockdev here)
    vmbdev=/dev/${server}
    waitfor ${vmbdev} 20000
    mount -o ro ${vmbdev} ${target} || error "$scfg_evmlm" nonfatal
  ;;
  nfs)
    # we expect nfs mounts here ... check that nfs module is loaded before
    cat /proc/filesystems | grep -q -E "[[:space:]]nfs" || \
      { modprobe ${MODPRV} nfs 2>/dev/null || error "$error_nfsmod" nonfatal; }
    for transport in tcp udp fail; do
      [ $transport = "fail" ] && { error "$init_nfs" nonfatal;
         noimg=yes; break;}
       mount -n -t nfs -o ${mntopt},nolock,${transport} \
         ${server}:${srcpath} ${target} && break
    done
  ;;
  smb|cifs)
    # cifs mounts might be problematic if accessed with superuser id
    mount -n -o ${mntopt},user=guest,guest,file_mode=0755,dir_mode=0755 \
      -t ${proto} //${server}${srcpath} ${target}
    #d_mkrlscript entry boot.slx "/opt/openslx/uclib-rootfs/bin/mount -n \
    #-o ${mntopt},guest,user=guest,file_mode=0755,dir_mode=0755 -t ${proto} \
    #//${server}${srcpath} ${target#/mnt}"
  ;;
esac
}
#############################################################################
# replace @@@serverip@@@ with real serverip. Allows the usage of a variable
# for the server ip address (e.g. in machine-setup or kernel commandline)
checkip ()
{
if [ "@@@serverip@@@" = "$1" -a -n "$serverip" ] ; then
  echo $serverip
else
  echo $1
fi
}
#############################################################################
# replacement for which command to find executables inside stage4 rootfs
binfinder()
{
local program="$1"
local s4path
local notfound=1
for s4path in bin sbin usr/bin usr/sbin usr/local/bin \
              usr/local/sbin usr/bin/X11; do
  if [ -f "/mnt/$s4path/$program" ] && \
     [ -x "/mnt/$s4path/$program" ]; then
    printf '%s\n' "/$s4path/$program"
    notfound=0
    break
  fi
done
return $notfound
}
#############################################################################
# disk formatter and mounter. some proper error message output should be
# added. It uses programs invoked from stage 4 root filesystem. First
# argument is blockdev or file to be formatted, second mountpoint if not
# /mnt/tmp (default)
diskfm () {
local target=$1
local mntpnt=$2
local fs
local path
[ -f /lib/ld-linux.so.2 ] || ln -s /mnt/lib/ld-linux.so.2 /lib/ld-linux.so.2
for fs in xfs reiserfs ext2 ; do
  if strinfile "$fs" /proc/filesystems || modprobe ${MODPRV} $fs ; then
    unset $found
    for path in /sbin /bin /usr/sbin /usr/bin ; do
      if test -x /mnt/$path/mkfs.$fs ; then
        found=yes
        case mkfs.$fs in
          mkfs.xfs)
            fopt="-f"
            mopt="-o noexec"
          ;;
          mkfs.ext2)
            fopt="-Fq"
            mopt="-o nocheck,noexec"
          ;;
          mkfs.reiserfs)
            fopt="-f"
            mopt="-o noexec"
          ;;
        esac
        LD_LIBRARY_PATH=/mnt/lib /mnt/$path/mkfs.$fs $fopt $target \
          >/dev/null 2>&1 #|| error
        if [ -z $mntpnt ] ; then
          umount /mnt/tmp 2>/dev/null
          if mount -t $fs -n $mopt $target /mnt/tmp 2>/dev/null; then
            return 0
          else
            mount -n -t tmpfs none /mnt/tmp
          fi
        else
          testmkd $mntpnt
          mount -t $fs -n -o loop $target $mntpnt 2>/dev/null
          return 0
        fi
      fi
    done
    [ -z $found ] && continue
  else break
  fi
done
}

#############################################################################
# dhcp client function
rundhcp ()
{
local vci="$1"
# ensure the interface is up - might produce conflicts - nbd could fail!!
# fixme: really needed?
#  [ -n "$noipyet" ] && ip link set dev $nwif up
[ -f /lib/modules/${KERNEL}/kernel/net/packet/af_packet.ko ] && \
  modprobe ${MODPRV} af_packet   
echo "Starting udhcpc for IP configuration"
mkdir /var/lib/dhcp >/dev/null 2>&1
[ -n $vci ] && vci="-V $vci"
testmkd /usr/share/udhcpc
ln -sf /bin/dhcpmkconfig /usr/share/udhcpc/default.script
# see for options.c file in udhcp subdir of busybox for accepted "-O option"
udhcpc -O nissrv -O nisdomain -t 8 -q $vci \
  -s /usr/share/udhcpc/default.script -i $nwif 2>/dev/null
}

#############################################################################
# function for retrieving configuration file (machine-setup) via tftp from a
# predefined server or given source (file=tftp-server:/path via kernel
# command line)
unpack () {
# $1 is  config file name to get, $2 IP of server to get file from
local dst=$1
if [ -s $dst ] ; then
  # fixme: handle different types of packaging (gzip/bzip2)??
  if ! tar -xpzf $dst 2> /tmp/ConfTGZ-tar-error ; then
     cat /tmp/ConfTGZ-tar-error
     error "$unpack_ConfTGZ" nonfatal
     rm /tmp/ConfTGZ-tar-error
  fi
  [ "$DEBUGLEVEL" -le 2 -o "$DEBUGLEVEL" -eq 8  ] && rm $dst
  return 0
else
  return 1
fi
}

# tftp wrapper
# usage tftp_get <path> <tftpdserver> [count]
# count is optional - default is 3 - use -1 for indefinit 
tftp_get () {
  local file="$1"
  local file_server="$2"
  local download_successful=0
  local countdown="$3"

  if [ -z "$1" -o -z "$2" ]; then
    [ $DEBUGLEVEL -ge 1 ] && \
      echo "[tftp_get] Usage: tftp_get <path> <server> [count]" 
    return 1;
  fi

  [ "$countdown" = "" ] && countdown=3

  until [ $download_successful -eq 1 ]
  do
    if [ "$countdown" = "0" ]; then
      [ $DEBUGLEVEL -ge 1 ] && \
        echo "[tftp_get] download of \"$file\" from \"$file_server\" ... failed"
      return 0;
    fi
    tftp -g -r $file -l /tmp/$(basename $file) $file_server
    [ -s /tmp/$(basename $file) ] && download_successful=1
    countdown=$(expr $countdown - 1)
    usleep 200000
  done
  [ $DEBUGLEVEL -ge 1 ] && \
    echo "[tftp_get] download of \"$file\" from \"$file_server\" ... successful"
  return 0;
}


# wget wrapper
# usage wget_get <path> <ftp/httpserver> [count]
# count is optional - default is 3 - use -1 for indefinit 
wget_get () {
  local file="$1"
  local file_server="$2"
  local download_successful=0
  local countdown="$3"

  if [ -z "$1" -o -z "$2" ]; then
    [ $DEBUGLEVEL -ge 1 ] && \
      echo "[wget_get] Usage: wget_get <path> <server> [count]" 
    return 1;
  fi

  [ "$countdown" = "" ] && countdown=3

  until [ $download_successful -eq 1 ]
  do
    if [ "$countdown" = "0" ]; then
      [ $DEBUGLEVEL -ge 1 ] && \
        echo "[wget_get] download of \"$file\" from \"$file_server\" ... failed"
      return 0;
    fi
    wget -q $file_server$file -O /tmp/$(basename $file)
    [ -s /tmp/$(basename $file) ] && download_successful=1
    countdown=$(expr $countdown - 1)
    usleep 200000
  done
  [ $DEBUGLEVEL -ge 1 ] && \
    echo "[wget_get] download of \"$file\" from \"$file_server\" ... successful"
  return 0;
}


fileget () {
# normally tftp would be used, alternatively use wget for ftp or http
# if local device file is specified - mount and unmount after copying
local cfgfile
[ "x$fileprot" = "x" ] && fileprot=tftp
if [ "x$filepath" != "x" ] ; then
  cfgfile=${filepath}
  [ "x$fileserv" = "x" ] && fileserv=$(checkip ${serverip})
  # wait for dns if "fileserv" is a name and not lbd device
  [ "$fileprot" != "lbd" ] && \
    echo ${fileserv} | grep -qi [a-z] && waitfor /tmp/dhcp-done 10000
  [ $DEBUGLEVEL -ge 1 ] && echo "fileget -  fileprot:$fileprot, filepath:\
$filepath, fileserv:$fileserv" >>$LOGFILE
  case "$fileprot" in
   ftp|http)
     wget_get $cfgfile $fileprot://$fileserv \
      && { unpack /tmp/$(basename $cfgfile) && break; } 2>>$LOGFILE 
   ;;
   lbd)
     local ldev=$fileserv
     echo "Waiting for configuration file ${cfgfile} ...."
     [ $DEBUGLEVEL -ge 1 ] && echo "fileget -  fileprot:$fileprot, filepath:\
$filepath, fileserv:$fileserv" >>$LOGFILE
     waitfor /mnt/${cfgfile} 10000
     if [ -f /mnt/${cfgfile} ]; then
       unpack /mnt/$cfgfile
     else
       error "$init_errlfg"
     fi
   ;;
   *)
     tftp_get $cfgfile $fileserv  \
       && unpack /tmp/$(basename $cfgfile) 2>>$LOGFILE
   ;;
   esac
else
  # predefined value for OpenSLX environment; it is expected that this
  # directory is just below the tftpboot (path to which the daemon is
  # restricted to)
  filepath="client-config"
  [ "x$fileserv" = "x" ] && fileserv=$(checkip ${serverip})
  [ $DEBUGLEVEL -ge 1 ] && echo "fileget - fileprot:$fileprot, filepath:\
$filepath, fileserv:$fileserv" >>$LOGFILE
  # try to get configuration files successively; start with distro client
  # and try last distro default ...
  mac=$(echo $macaddr|sed "s/:/-/g")
  for cfgfile in ${filepath}/${SYSTEM_NAME}/01-$mac.tgz \
                 ${filepath}/${SYSTEM_NAME}/default.tgz ; do
    case "$fileprot" in
      ftp|http)
        wget $fileprot://$fileserv/$cfgfile -O /tmp/$(basename $cfgfile) \
          2>>$LOGFILE && { unpack /tmp/$(basename $cfgfile) && break; }
      ;;
      tftp)
        tftp_get $cfgfile $fileserv \
          2>>$LOGFILE && { unpack /tmp/$(basename $cfgfile) && break; }
      ;;
    esac
  done
  echo -e "\n## Configuration via fileget from ${fileprot}://${fileserv}/\
${cfgfile}\n# Hierarchy is distro client and as last distro/default" \
    >>/tmp/confviafile
fi
cat /initramfs/machine-setup >>/tmp/confviafile 2>/dev/null || \
  error "$nomachsetup"
echo "fileget via $fileprot from $fileserv/$cfgfile finished" >/tmp/file-done
[ $DEBUGLEVEL -ge 1 ] && echo "fileget from $cfgfile finished" >>$LOGFILE
}

#############################################################################
# function for creating directories after testing of their existance avoids
# to recreate directories in union mounts. If second and/or third parameters
# are given check for permission patterns
testmkd () {
  test -d $1 || mkdir -p $1 >/dev/null 2>&1
  [ $# -ge 2 ] && for i in "$2" "$3" ; do
    echo "$i" | grep -q -E "^[0-9]{3,4}$" && chmod "$i" $1 >/dev/null 2>&1
    echo "$i" | grep -q -E ":." && chown "$i" $1 >/dev/null 2>&1
  done
}

#############################################################################
# function for writing a syslog-ng.conf file. First parameter is absolute
# destination (incl. /mnt prefix)
# sysngwriter $dest $start_syslog
sysngwriter () {
local mysyslogngcfg=$1
# logging servers might be specified in $log_servers (from e.g. dhcp)
# fixme!? only first logserver from dhcp variable is used
[ -n "$log_servers" ] && start_syslog="syslog://${log_servers% *}:514/udp"
echo -e "# File written by $0 within InitRamFS\n\
source src {\n\tfile(\"/proc/kmsg\");\n\
\tunix-dgram(\"/dev/log\");\n\tinternal();\n};\ndestination console_all {\
\n\tfile(\"/dev/tty10\");\n};" >$mysyslogngcfg
case "$start_syslog" in
  yes|Yes|YES)
    echo -e "\nlog {\n\tsource(src);\n\tdestination(console_all);\n};" \
      >>$mysyslogngcfg
  ;;
  file)
    echo -e "destination allmessages {\n\tfile(\"/var/log/allmessages\");\n};\
\nlog {\n\tsource(src); destination(allmessages);\n};" >>$mysyslogngcfg
  ;;
  *)
    syslogsrv=$(uri_token $start_syslog server)
    syslogport=$(uri_token $start_syslog port)
    syslogprot=$(uri_token $start_syslog path)
    [ -z ${syslogport} ] && syslogport=514
    [ -z ${syslogprot} ] && syslogprot=udp
    echo -e "destination loghost {\n\t${syslogprot}(\"${syslogsrv}\" \
port(${syslogport}));\n};\nlog {\n\tsource(src);\n\tdestination(loghost);\n};"\
      >>$mysyslogngcfg
  ;;
esac
}

#############################################################################
# simple string in string search
strinstr () {
  case "$2" in *$1*) return 0;; esac
  return 1
}

#############################################################################
# simple string in file search, for the future grep should be used instead
strinfile () {
  case "$(cat $2)" in *$1*) return 0;; esac
  return 1
}

#############################################################################
# wait for a file to appear and stop after maxwait counts
waitfor () {
local file=$1
local maxwait=$2
local count=0
[ -z $file ] && return 0
[ -z $maxwait ] && maxwait=5000
while [ ! -e $file ] ; do
  usleep 1000 
  count=$(($count + 1))
  [ $count -gt $maxwait ] && return 1
done
return 0
}

#############################################################################
# ldconfig is needed if rootfilesystem is composed of several parts. Search
# for ldconfig and execute it (we expect ldconfig not to be a dynamically 
# linked tool)
# check that /mnt/etc/ld.so.conf is never lost
ldconfig () {
local cachefile="$1"
for ldcfg in /mnt/sbin/ldconfig \
             /mnt/bin/ldconfig \
             /mnt/usr/sbin/ldconfig; do
  test -x $ldcfg && {
    $ldcfg -r /mnt -C $cachefile; break; }
done
echo "finished at $(sysup)" >/tmp/ldcfg
}

#############################################################################
# base passwd/shadow, the standard user present in every system. All other
# system users should be generated within the service function
basepasswd () {
# hack (see Ticket #206)
root_pw="$1"
# strip every line with userid between 500 and 99999 from the passwd
# file
sed '/^[a-zA-Z0-9]*:[a-zA-Z0-9]*:[1-9][0-9]\{3,4\}:/d;/^+:*/d;/^+$/d;
  /^[a-zA-Z0-9]*:[a-zA-Z0-9]*:[5-9][0-9]\{2\}:/d' /mnt/etc/passwd \
  >/tmp/newpasswd
# and add user nobody again (is there a more elegant way?)
sed -n -e '/nobody/p' /mnt/etc/passwd >>/tmp/newpasswd
# create the shadow from passwd file
echo -e "root:"${root_pw}":12958:0:10000::::" >/mnt/etc/shadow
sed 's/:.*/:!:13078:0:99999:7:::/;/^root.*/d' /tmp/newpasswd \
  >>/mnt/etc/shadow
mv /tmp/newpasswd /mnt/etc/passwd
chmod 0640 /mnt/etc/shadow
}

#############################################################################
# wait for the completion of configuration file (machine-setup). It is
# composed from different sources
cfgcomplete () {
waitfor /tmp/dhcp-done 10000 || error "$error_errdcfg" nonfatal
waitfor /tmp/file-done 10000 || error "$error_errfcfg" nonfatal
waitfor /tmp/ldap-done 10000 || error "$error_errlcfg" nonfatal
# concatenate the different files now into the central config file, order
# matters - ldap (not implemented yet) data has highest priority
if ! test -f /tmp/cfgcomplete ; then
  echo "## Stage3 configuration via initial/early /etc/initramfs-setup" \
    >/etc/ext-initramfs-setup
  for config in /etc/initramfs-setup /tmp/confviadhcp /tmp/confviafile \
  	        /tmp/confvialdap
    do test -f $config && cat $config >>/etc/ext-initramfs-setup
  done
# check again and replace @@@serverip@@@ and produce a final version for
# stage4 (no much use, just debugging)
sed "s,@@@serverip@@@,$serverip," -i /etc/ext-initramfs-setup
. /etc/ext-initramfs-setup
cp /etc/ext-initramfs-setup /mnt/etc/machine-setup
mv /etc/ext-initramfs-setup /etc/initramfs-setup
echo "config completed" >/tmp/cfgcomplete
fi
}

#############################################################################
# execute all shell scripts in the given init-hook folder
runinithook () {
local hook=$1
echo "[openslx] run: $hook" > /dev/kmsg
if [ -d /etc/init-hooks/$hook ]; then
  for hook_script in /etc/init-hooks/$hook/*.sh; do
    if [ -e $hook_script ]; then
      /bin/init-wrapper $hook_script $DEBUGLEVEL
      . /tmp/env/wrapper.env
    fi
  done
fi
}

#############################################################################
# localization simply derived from $language variable set in machine-setup or
# other sources - mostly taken from knoppix
localization () {
country="$1"
CONSOLE_FONT="lat9w-16.psfu"
case "$country" in
  # German version
  de*)
    COUNTRY="de"
    LANG="de_DE.UTF-8"
    KEYTABLE="de-latin1-nodeadkeys"
    XKEYBOARD="de"
    KDEKEYBOARD="de"
    CHARSET="utf8"
    KDEKEYBOARDS="us,fr"
    TZ="Europe/Berlin"
  ;;
  # Belgian version
  be*)
    COUNTRY="be"
    LANG="C"
    KEYTABLE="be2-latin1"
    XKEYBOARD="be"
    KDEKEYBOARD="be"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="us,de,fr"
    TZ="Europe/Brussels"
  ;;
  # Bulgarian version
  bg*)
    COUNTRY="bg"
    LANG="bg_BG"
    KEYTABLE="bg"
    XKEYBOARD="bg"
    KDEKEYBOARD="bg"
    CHARSET="microsoft-cp1251"
    KDEKEYBOARDS="us,de,fr"
    TZ="Europe/Sofia"
  ;;
  # Switzerland (basically de with some modifications)
  ch)
    LANGUAGE="de"
    COUNTRY="ch"
    LANG="de_CH"
    KEYTABLE="sg-latin1"
    XKEYBOARD="de_CH"
    KDEKEYBOARD="de_CH"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="de,us,fr"
    TZ="Europe/Zurich"
  ;;
  # Simplified Chinese
  cn)
    COUNTRY="cn"
    LANG="zh_CN.GB2312"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="us"
    CHARSET="gb2312.1980-0"
    KDEKEYBOARDS="us,de,fr"
    XMODIFIERS="@im=Chinput"
    TZ="Asia/Shanghai"
  ;;
  # Czechoslovakia
  cs|cz)
    LANGUAGE="cs"
    COUNTRY="cs"
    LANG="cs_CZ.UTF-8"
    KEYTABLE="cz-lat2"
    XKEYBOARD="cs"
    KDEKEYBOARD="cz"
    CHARSET="iso8859-2"
    KDEKEYBOARDS="us,de,fr"
    TZ="Europe/Prague"
    CONSOLE_FONT="iso02g"
  ;;
  # Denmark
  dk|da)
    COUNTRY="dk"
    LANG="da_DK.UTF-8"
    # Workaround: "dk" broken in gettext, use da:da_DK
    LANGUAGE="da:da_DK"
    KEYTABLE="dk"
    XKEYBOARD="dk"
    KDEKEYBOARD="dk"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="dk,de,us,fr"
    TZ="Europe/Copenhagen"
  ;;
  es)
  # Spain
    COUNTRY="es.UTF-8"
    LANG="es_ES"
    KEYTABLE="es"
    XKEYBOARD="es"
    KDEKEYBOARD="es"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="de,us,fr"
    TZ="Europe/Madrid"
  ;;
  # Finland
  fi)
    COUNTRY="fi"
    LANG="fi_FI.UTF-8"
    KEYTABLE="fi"
    XKEYBOARD="fi"
    KDEKEYBOARD="fi"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="us"
    TZ="Europe/Helsinki"
  ;;
  # France
  fr*)
    COUNTRY="fr"
    LANG="fr_FR.UTF-8"
    KEYTABLE="fr"
    XKEYBOARD="fr"
    KDEKEYBOARD="fr"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="de,us"
    TZ="Europe/Paris"
  ;;
  he|il)
  # Hebrew version
    LANGUAGE="he"
    COUNTRY="il"
    LANG="he_IL.UTF-8"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="il"
    CHARSET="iso8859-8"
    KDEKEYBOARDS="us,fr,de"
    TZ="Asia/Jerusalem"
  ;;
  # Ireland
  ie)
    COUNTRY="ie"
    LANG="en_IE.UTF-8"
    KEYTABLE="uk"
    XKEYBOARD="uk"
    KDEKEYBOARD="gb"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="us,de,es,fr,it"
    TZ="Europe/Dublin"
  ;;
  # Italy
  it)
    COUNTRY="it"
    LANG="it_IT.UTF-8"
    KEYTABLE="it"
    XKEYBOARD="it"
    KDEKEYBOARD="it"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="fr,us,de"
    TZ="Europe/Rome"
  ;;
  # Japan
  ja)
    COUNTRY="jp"
    LANG="ja_JP.UTF-8"
    LANGUAGE="ja"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="us"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="fr,us,de"
    TZ="Asia/Tokyo"
  ;;
  # The Netherlands
  nl)
    COUNTRY="nl"
    LANG="nl_NL.UTF-8"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="en_US"
    CHARSET="iso8859-15"
    KDEKEYBOARDS="nl,de,fr"
    TZ="Europe/Amsterdam"
  ;;
  # Poland
  pl)
    COUNTRY="pl"
    LANG="pl_PL.UTF-8"
    KEYTABLE="pl"
    XKEYBOARD="pl"
    KDEKEYBOARD="pl"
    CHARSET="iso8859-2"
    KDEKEYBOARDS="de,us,fr"
    TZ="Europe/Warsaw"
    CONSOLE_FONT="iso02g"
  ;;
  # Russia
  ru)
    COUNTRY="ru"
    LANG="ru_RU.UTF-8"
    KEYTABLE="ru"
    XKEYBOARD="ru"
    KDEKEYBOARD="ru"
    CHARSET="koi8-r"
    CONSOLE_FONT="Cyr_a8x16"
    KDEKEYBOARDS="de,us,fr"
    TZ="Europe/Moscow"
  ;;
  # Slovakia
  sk)
    COUNTRY="sk"
    LANG="sk_SK.UTF-8"
    KEYTABLE="sk-qwerty"
    XKEYBOARD="sk"
    KDEKEYBOARD="sk"
    CHARSET="iso8859-2"
    KDEKEYBOARDS="us,de"
    TZ="Europe/Bratislava"
    CONSOLE_FONT="iso02g"
  ;;
  # Slovenia
  sl)
    LANGUAGE="sl"
    COUNTRY="si"
    LANG="sl_SI.UTF-8"
    KEYTABLE="slovene"
    XKEYBOARD="sl"
    KDEKEYBOARD="si"
    CHARSET="iso8859-2"
    KDEKEYBOARDS="us,de"
    TZ="Europe/Ljubljana"
    CONSOLE_FONT="iso02g"
  ;;
  tr)
# Turkish version (guessed)
    COUNTRY="tr"
    LANG="tr_TR.UTF-8"
    KEYTABLE="tr_q-latin5"
    XKEYBOARD="tr"
    KDEKEYBOARD="tr"
    CHARSET="iso8859-9"
    KDEKEYBOARDS="us,de,fr"
    TZ="Europe/Istanbul"
  ;;
  # Taiwan - Traditional Chinese version
  tw)
    COUNTRY="tw"
    LANG="zh_TW.UTF-8"
    LANGUAGE="zh_TW.Big5"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="us"
    CHARSET="iso8859-1"
    KDEKEYBOARDS="us"
    XMODIFIERS="@im=xcin"
    TZ="Asia/Taipei"
  ;;
  # Great Britian
  uk)
    COUNTRY="uk"
    LANG="en_GB.UTF-8"
    LANGUAGE="en"
    KEYTABLE="uk"
    XKEYBOARD="uk"
    KDEKEYBOARD="gb"
    CHARSET="iso8859-1"
    KDEKEYBOARDS="us"
    TZ="Europe/London"
  ;;
  # US and default configuration
  *)
    LANGUAGE="us"
    COUNTRY="us"
    LANG="C"
    KEYTABLE="us"
    XKEYBOARD="us"
    KDEKEYBOARD="us"
    CHARSET="iso8859-1"
    KDEKEYBOARDS="de,fr"
    TZ="America/New_York"
  ;;
esac
}

#############################################################################
# This function gets an uri or a comma separated list of uris as parameter.
# It will then try to mount these uris and add them to the union at /
include_in_fsroot_union () {
  union_id=0 # used to have guarantee differing names for the unions mount point
  union_type=$1
  for ROOTFS in $(echo $2 |sed 's/,/ /g'); do
    union_id=$(($union_id + 1))
    srvproto=$(uri_token $ROOTFS prot)
    case $srvproto in
      nfs)
        # activate kernel nfs if not present, nfsroot consists now of two
        # different parts
        root_path=$(uri_token $ROOTFS path)
        nfsserver=$(uri_token $ROOTFS server)
        mkdir -p /mnt/tmp/${root_path}_${union_id}
        for proto in tcp udp fail; do
          [ $proto = "fail" ] && { error "$scfg_nfs"; break; }
          mount -n -t nfs -o ro,nolock,$proto $nfsserver:$root_path \
            /mnt/tmp/${root_path}_${union_id} && break
        done
      ;;
      *nbd)
	echo "Not working yet"
        nbdmod=$srvproto
        # get settings for nbd-client, filesystem equals to path in URI
        # notation
        nbdhost=$(uri_token $ROOTFS server)
        nbdport=$(uri_token $ROOTFS port)
        nbdrfst=$(uri_token $ROOTFS path)
        echo -e "(D)NBD $ROOTFS parsed to $srvproto - $nbdhost - \
          $nbdport - $nbdrfst" >> /tmp/testlog
        #FIXME: do mount
      ;;
      aoe)
        echo "Not implemented yet"
      ;;
      iscsi)
        echo "Not implemented yet"
        #iscsiserver=$(uri_token $ROOTFS server)
        #iscsiport=$(uri_token $ROOTFS port)
        #iscsitarget=$(uri_token $ROOTFS path)
      ;;
    esac
    if [ "X$union_type" == "XUnionFS" ]; then
      [ "$DEBUGLEVEL" -gt 2 -a "$DEBUGLEVEL" != 8 ] && \
        echo "Using unionctl to mount ${root_path}_${union_id} (type: \
          $union_type)"
      unionctl /mnt/ --add --after 1 --mode ro /mnt/tmp/${root_path}_${union_id}
    elif [ "X$union_type" == "XAUFS" ]; then
      # unionctl for aufs is a sh script needing tools not included in our
      # initramfs
      [ "$DEBUGLEVEL" -gt 2 -a "$DEBUGLEVEL" != 8 ] && \
        echo "Using aufs-mount to mount ${root_path}_${union_id} (type: $union_type)"
      mount -n -o remount,add:1:/mnt/tmp/${root_path}_${union_id}=ro none /mnt
    else
      error ${init_loadunions} nonfatal
    fi
  done
}

#############################################################################
# dummy functions - avoid undefined functions in servconfig (functions are
# normally overwritten by settings within distro-functions) - a file 
# generated by mkdxsinitrd from <distro>/functions-default & ~-version

# setup initial boot scripts (for most standard distributions, gentoo is to
# be handled differently)
initial_boot () {
:
}
# function for udev configuration
config_udev () {
:
}
# function for ntp configuration
config_ntp () {
:
}
# function for afs
config_afs () {
:
}
# function for atd
config_atd () {
:
}
# function for configuration of cron services
config_cron () {
:
}
# syslog service
config_syslog () {
:
}
# secure shell service
config_sshd () {
:
}
# snmp agent for remote monitoring
config_snmp () {
:
}
# consolefont
consolefont () {
:
}
# acpi and powersave
config_acpi () {
:
}
# configure hal, dbus, resmgr and services like that
config_dreshal () {
:
}
# configure automounter, simple NFSv3 imports only
config_automount () {
:
}
# configure print services / start requested printer daemon
config_printer () {
:
}
# configure bluetooth services
config_bt () {
:
}
# create a compliant runlevel script, needed for boot.slx
d_mkrlscript () {
:
}
# start name service caching daemon
config_nscd () {
:
}
# configure automounter
config_automount () {
:
}
# configure samba service (not winbind, but nmbd, smbd)
config_samba () {
:
}
# start portmapper (needed at least for nfs and nis services)
config_portmap () {
:
}
# start nis/ypbind
config_nis () {
:
}
# configure nfsv4 stuff
config_nfsv4 () {
:
}
# configure keyboard layout
keytable () {
:
}
# set up localization like keytable, console
dlocale () {
:
}