This file is indexed.

/usr/sbin/gentcos is in initramfs-tools-tcos 0.89.93ubuntu2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  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
#!/bin/bash
#
# gentcos    generate network bootable initramfs images
# Creation Date: 2 Feb 2006
#
# Copyright (C) 2006-2011  mariodebian at gmail
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#

ID=$(id -u)

if [ $ID -ne 0 ]; then
 echo "You must run this script as root"
 exit 1
fi

. /etc/tcos/tcos.conf
[ -e /var/lib/tcos/version.conf ] && . /var/lib/tcos/version.conf
. ${TCOS_DIR}/tcos-generation-functions.sh
. /usr/share/initramfs-tools/hook-functions


# Multiarch DIR
LIB_MULTIARCH=/lib/
USRLIB_MULTIARCH=/usr/lib/
if [ -n "$TCOS_MULTIARCH" ] && [ -e "/usr/lib/$TCOS_MULTIARCH" ]; then
  LIB_MULTIARCH="/lib/$TCOS_MULTIARCH"
  USRLIB_MULTIARCH="/usr/lib/$TCOS_MULTIARCH"
fi
export LIB_MULTIARCH
export USRLIB_MULTIARCH

for tpl in $(tcos_get_templates); do
  . $tpl
done

# load forced settings for derivatives
if [ -d /etc/tcos/conf.d/ ]; then
  for file in /etc/tcos/conf.d/tcos*conf; do
    [ -e $file ] && . $file
  done
fi

if [ -z $TCOS_KERNEL ]; then
  NEWEST_VMLINUZ=$(basename $(ls /boot/vmlinuz-*| head -1))
  TCOS_KERNEL=${NEWEST_VMLINUZ#vmlinuz-}
fi

# default output files
OUTPUTIMAGE=${ISOS}/tcos-boot-usb.iso

if [ -e /usr/bin/mkisofs ];then
  GENISO="/usr/bin/mkisofs"
else
  GENISO="/usr/bin/genisoimage"
fi

OUTINITRAMFS=initramfs
OUTNBI=linux.nbi

OUTROOTFS_TMP=/tmp/rootfs-${TCOS_KERNEL}-$$
OUTROOTFS_END=${TFTP_DIR}/rootfs-${TCOS_KERNEL}.squashfs

# temp vars
INITRAMFS=/tmp/initramfs-$$
TMPNBI=/tmp/nbi-$$

EXTRA_APPEND=""
TCOS_SUFFIX=
MKVERBOSE=""


# BASH COLORS
NORMAL="\033[0;39m"
GRAY="\033[1;30m"
LIGHT_GRAY="\033[0;37m"
CYAN="\033[0;36m"
LIGHT_CYAN="\033[1;36m"
RED="\033[1;31m"
GREEN="\033[1;32m"
YELLOW="\033[1;33m"
BLUE="\033[1;34m"
MAGENTA="\033[1;35m"
WHITE="\033[1;37m"



_exit () {
 if [ "$1" = "1" ];then
   rm -f ${TFTP_DIR}/usr${TCOS_SUFFIX}-${TCOS_KERNEL}.squashfs 2>/dev/null
   rm -f ${TFTP_DIR}/${OUTINITRAMFS}${TCOS_SUFFIX} 2>/dev/null
   rm -f ${TFTP_DIR}/${OUTNBI}${TCOS_SUFFIX} 2>/dev/null
   rm -f ${TFTP_DIR}/root-${TCOS_KERNEL}.squashfs 2>/dev/null
   rm -f ${TFTP_DIR}/${OUTINITRAMFS}-nfs 2>/dev/null
 fi
 unset TCOS_SQUASHFS
 unset TCOS_ALL_MODULES
 unset TCOS_SUFFIX
 rm -f ${TMPNBI}
 rm -f ${INITRAMFS}
 rm -f ${INITRAMFS}-nfs
 rm -rf ${OUTROOTFS_TMP}
 # exit wrapper
 #echo "DONE"
 exit $1
}

call_mkinitramfs() {
 rm -rf /tmp/mkinitramfs* /tmp/gentcos* /var/tmp/mkinitramfs*
 NEWINITRAMFS=$1
 #echo "mkinitramfs $MKVERBOSE -d ${TCOS_CONF} -o ${NEWINITRAMFS} ${TCOS_KERNEL}"
 mkinitramfs -k $MKVERBOSE -d ${TCOS_CONF} -o ${NEWINITRAMFS} ${TCOS_KERNEL}

 DESTDIR2="$(find /var/tmp/ /tmp/ -maxdepth 1 -type d -name "mkinitramfs*")"
 #(cd "${MKDIR}" && find . | cpio --quiet --dereference -o -H newc | gzip > "${NEWINITRAMFS}" )

 if [ ! -d "$DESTDIR2/scripts" ]; then
   _echo " **ERROR** mkinitramfs temp dir not found"
   return
 fi
 
 export DESTDIR="${DESTDIR2}"
 # clean dir
 bash ${TCOS_DIR}/hooks-addons/clean_initramfs

 echo -n "   * Updating module dependencies..."
 DEPMOD_ARGS="-a -F /boot/System.map-${TCOS_KERNEL}"
 if depmod -h 2>&1|grep -q map; then
   DEPMOD_ARGS="-am -F /boot/System.map-${TCOS_KERNEL}"
 fi

 # convert module kernel links in files
 LINKS=$(find ${DESTDIR}/lib/modules/${TCOS_KERNEL}/ -type l)
 for link in $LINKS; do
   fname=$(echo $link| sed -e s@"$DESTDIR"@""@g)
   #echo "  fname=$fname link=$link"
   rm -f "$link"
   cp "$fname" "$link"
 done

 mkdir -p ${DESTDIR}/boot/
 cp /boot/System.map-${TCOS_KERNEL} ${DESTDIR}/boot/
 chroot ${DESTDIR}/ /sbin/depmod $DEPMOD_ARGS ${TCOS_KERNEL}
 rm -rf ${DESTDIR}/boot/
 echo " done."

 # compress again
 rm -f ${NEWINITRAMFS}

 # LZMA gets 11 MB and GZIP 9,9, disable LZMA for now
 #if grep -q -i ^config_rd_lzma /boot/config-${TCOS_KERNEL}; then
 #  echo -n "   * Using LZMA (experimental) to compress image..."
 #  (cd "${DESTDIR2}" && find . | cpio --quiet -o -H newc | lzop -9 > "${NEWINITRAMFS}" )
 #  echo " done."
 #else
   (cd "${DESTDIR2}" && find . | cpio --quiet -o -H newc | gzip > "${NEWINITRAMFS}" )
 #fi

 rm -rf "${DESTDIR2}"
 rm -rf /tmp/mkinitramfs_* /tmp/gentcos_* /var/tmp/mkinitramfs*
}


# some functions 
create_initramfs() {
 # call mkinitramfs
 _echo "TCOS $DISTRIBUTION/$TCOS_DISTRO/$TCOS_ARCH  $TCOS_VERSION"
 _echo "Creating initramfs with ${TCOS_KERNEL} kernel..."
 call_mkinitramfs ${INITRAMFS}

 if [ ! -f ${TFTP_DIR}/vmlinuz-${TCOS_KERNEL} ]; then
   _echo "  Linking vmlinuz-${TCOS_KERNEL} in ${TFTP_DIR}"
   ln -s /boot/vmlinuz-${TCOS_KERNEL} ${TFTP_DIR}
 fi
}

# some functions 
create_initramfs_nfs() {
 # call mkinitramfs
 _echo "Creating NFS initramfs with ${TCOS_KERNEL} kernel..."

 export TCOS_BOOT=tcos-nfs
 call_mkinitramfs "${INITRAMFS}-nfs"
 unset TCOS_BOOT
 

 if [ ! -f ${TFTP_DIR}/vmlinuz-${TCOS_KERNEL} ]; then
   _echo "  Linking vmlinuz-${TCOS_KERNEL} in ${TFTP_DIR}"
   ln -s /boot/vmlinuz-${TCOS_KERNEL} ${TFTP_DIR}
 fi


}


create_rootfs() {
 if [ ! -e /etc/tcos/chroot ] && [ ! -f /etc/exports ]; then
    echo "  Warning:"
    echo "          No NFS server detected and /etc/exports file."
    echo "          Install nfs-kernel-server and put this line into /etc/exports"
    echo ""
    echo "          /var/lib/tcos  192.168.0.0/255.255.255.0(ro,no_root_squash,sync,no_subtree_check)"
    echo ""
    echo "          (change 192.168.0.0 with your network addresses)"
    echo ""
    echo "          Ignore this if you are running with a 32bit chroot."
 fi

 _echo "Creating NFS rootfs in ${TCOS_VAR}/fs-${TCOS_KERNEL}/"
 rm -rf ${OUTROOTFS_TMP} && mkdir -p ${OUTROOTFS_TMP}

 export TCOS_ENV_DISABLE_SQUASHFS=1
 create_initramfs
 unset TCOS_ENV_DISABLE_SQUASHFS
 
 _echo "  Uncompressing initramfs..."
 # uncompress initramfs
 cp ${INITRAMFS} ${OUTROOTFS_TMP}/initramfs.gz
 gunzip ${OUTROOTFS_TMP}/initramfs.gz
 
 old_dir=$(pwd)
 cd ${OUTROOTFS_TMP}
 cpio -i < initramfs 2> /dev/null
 rm -f initramfs

 rm -rf ${TCOS_VAR}/fs-${TCOS_KERNEL}
 mkdir ${TCOS_VAR}/fs-${TCOS_KERNEL}
 mv ${OUTROOTFS_TMP}/* ${TCOS_VAR}/fs-${TCOS_KERNEL}/

 echo -n "   * Updating modules dependencies..."
 DEPMOD_ARGS="-a -F -F /boot/System.map-${TCOS_KERNEL}"
 if depmod -h 2>&1|grep -q map; then
   DEPMOD_ARGS="-am -F /boot/System.map-${TCOS_KERNEL}"
 fi
 mkdir -p ${TCOS_VAR}/fs-${TCOS_KERNEL}/boot/
 cp /boot/System.map-${TCOS_KERNEL} ${TCOS_VAR}/fs-${TCOS_KERNEL}/boot/
 chroot ${TCOS_VAR}/fs-${TCOS_KERNEL}/ /sbin/depmod $DEPMOD_ARGS ${TCOS_KERNEL}
 rm -rf ${TCOS_VAR}/fs-${TCOS_KERNEL}/boot/
 echo " done."
 
 if [ -e /sbin/nbd-client ]; then
   echo -n "   * Creating root-${TCOS_KERNEL}.squashfs to use with NBD..."
   MKSQUASHFS=mksquashfs
   [ -x /usr/bin/mksquashfs ]  && MKSQUASHFS=/usr/bin/mksquashfs
   [ -x /usr/sbin/mksquashfs ] && MKSQUASHFS=/usr/sbin/mksquashfs
   $MKSQUASHFS ${TCOS_VAR}/fs-${TCOS_KERNEL}/ ${TFTP_DIR}/root-${TCOS_KERNEL}.squashfs > /dev/null 2>&1
   chmod 644 ${TFTP_DIR}/root-${TCOS_KERNEL}.squashfs
   echo " done."
 fi

 cd ${old_dir}
 rmdir ${OUTROOTFS_TMP}
}


ramdisk_size () {
  # uncompress initramfs and exec du
  _echo "Uncompressing ramdisk to get sizes..."
  tmpdir="$(mktemp -t -d gentcos_XXXXXX)"
  cp ${INITRAMFS} ${tmpdir}/initrd.gz
  gunzip ${tmpdir}/initrd.gz || return
  oldpwd=$(pwd)
  cd ${tmpdir}/
  cpio -i < initrd >/dev/null 2>&1
  rm initrd
  squashfs_size=0
  ramdisk_size=$(du -s . | awk '{print $1}')
  if [ -e ${TFTP_DIR}/usr${TCOS_SUFFIX}-${TCOS_KERNEL}.squashfs ]; then
    squashfs_size=$(du -s ${TFTP_DIR}/usr${TCOS_SUFFIX}-${TCOS_KERNEL}.squashfs 2> /dev/null | awk '{print $1}')
  fi
  echo "RAMDISK=${ramdisk_size}"
  echo "EXTERNAL_SQUASHFS=${squashfs_size}"
  if [ $TCOS_NBI ]; then
    nbi_size=$(du -s ${TMPNBI} | awk '{print $1}')
    echo "NBI_IMAGE=${nbi_size}"
    echo "TOTAL_RAM=$((${nbi_size}+${squashfs_size}))"
  else
    echo "TOTAL_RAM=$((${ramdisk_size}+${squashfs_size}))"
  fi
  rm -rf ${tmpdir}
  cd ${oldpwd}
}

create_nbi() {
 # call mknbi
 _echo "Creating nbi image with ${TCOS_KERNEL} kernel"
 # TCOS_APPEND add more append with -extra-append
 echo "Building NBI image with this append: ${TCOS_APPEND} ${EXTRA_APPEND}"
 if [ "${EXTRA_APPEND}" = "" ]; then
   echo " Please add option -extra-append=\"your_modifiers\" "
 fi
 /usr/bin/mkelf-linux /boot/vmlinuz-${TCOS_KERNEL} /tmp/initramfs-${TCOS_KERNEL} \
   --output=${TMPNBI} --append="${TCOS_APPEND} ${EXTRA_APPEND}"
 rm /tmp/initramfs-${TCOS_KERNEL}
}

create_isolinux_iso() {
 # ISOLINUX
 dir=/tmp/isolinux-iso$$
 mkdir -p ${dir}/isolinux
 [ ! -d ${ISOS} ] && mkdir -p ${ISOS}
 create_initramfs
 cp ${INITRAMFS} ${dir}/isolinux/initrd.cdrom

 parse_pxelinuxcfg ${dir}/isolinux/isolinux.cfg isolinux
 sed -i s/"vmlinuz-${TCOS_KERNEL}"/"vmlinuz"/g ${dir}/isolinux/isolinux.cfg
 sed -i s/"initramfs-${TCOS_KERNEL}"/"initrd.cdrom"/g ${dir}/isolinux/isolinux.cfg

 cp ${TFTP_DIR}/${TFTP_LOGO_LSS} ${dir}/isolinux/
 cp ${TFTP_DIR}/${TFTP_MSG} ${dir}/isolinux/
 cp ${TFTP_DIR}/${TFTP_MSG_HELP1} ${dir}/isolinux/
 cp ${TFTP_DIR}/${TFTP_MSG_HELP2} ${dir}/isolinux/

 cp /usr/lib/syslinux/isolinux.bin ${dir}/isolinux/
 cp /boot/vmlinuz-${TCOS_KERNEL} ${dir}/isolinux/vmlinuz

${GENISO} -l -r -J -V "${VOLUMENAME}" -hide-rr-moved -v -b isolinux/isolinux.bin -c boot.cat \
 -no-emul-boot -boot-load-size 4 -boot-info-table -o  ${OUTPUTIMAGE} ${dir}/ > /dev/null 2>&1

  if [ $? = 0 ]; then
    echo "Iso image done succesfully: ${OUTPUTIMAGE}"
   else
    echo "Error running mkisofs."
  fi
  rm -rf ${dir} > /dev/null 2>&1
}


usage() {
/bin/echo -e "Usage:
  $WHITE$(basename $0)$NORMAL $RED-tftp$NORMAL  [-o=initrd-pc1]           PXE (>= 64 Mb)
          $RED-nfs$NORMAL   [$GREEN-rootfs$NORMAL]                 LTSP like (28 - 64 Mb)
          $RED-nbi$NORMAL   [-nbi-output=linux.nbi]   Floppy
          $RED-cdrom$NORMAL [-force]     CDROM
          $RED-instpkg$NORMAL pkgname
          $RED-rmpkg$NORMAL pkgname
          $RED-listpkg$NORMAL
          $RED-fix-nvidia-ati$NORMAL

      [-h] or [-help] $(basename $0) extended help
      [${RED}-vmlinux=${WHITE}vmlinuz-x.x.x${RED}|${WHITE}/boot/vmlinuz-x.x.x${NORMAL}] kernel version
      [${RED}-suffix=${WHITE}foo${NORMAL}] ( suffix for filenames )
      [${RED}-size${NORMAL}]       ( print ramdisk size )
      [${RED}-v${NORMAL}]          ( show verbose output of mkinitramfs )
      [${RED}-allmodules${NORMAL}] ( generate allmodules-${TCOS_KERNEL}.squashfs to
                              know what kernel modules need )
      [${RED}-extramodules=${WHITE}"foo,bar"${NORMAL}] ( add coma separated list of modules )

"
_exit 0
}

_help() {
/bin/echo -e "
This is gentcos help info about generating net init images.

  ${BLUE}TFTP PXE images:${NORMAL}
     ${GREEN}-tftp${NORMAL}  or [-t] make initramfs-${TCOS_KERNEL} and copy to ${TFTP_DIR}
    [${GREEN}-o=initramfs-tcos1${NORMAL}] output file
             ( default ${TFTP_DIR}/${OUTINITRAMFS} )

  ${BLUE}NFS (like LTSP) images:${NORMAL}
     ${GREEN}-nfs${NORMAL}  or [-n] make initramfs-${TCOS_KERNEL}-nfs and copy to ${TFTP_DIR}
    [${GREEN}-rootfs${NORMAL}] Make a complete initramfs and uncompress in ${TCOS_VAR}/fs-${TCOS_KERNEL}
             ( default ${TFTP_DIR}/${OUTINITRAMFS}-nfs )

  ${BLUE}NBI IMAGES:${NORMAL} ( Etherboot floppy )
     ${GREEN}-nbi${NORMAL}  or [-b] create NBI (network bootable images) in ${TFTP_DIR}
    [${GREEN}-nbi-output=linux-tcos1.nbi${NORMAL}] output nbi file 
              ( default ${OUTNBI}-${TCOS_KERNEL} )
    [${GREEN}-extra-append${NORMAL}] append more options to cmline of NBI image
      ( Example: -extra-append=\"startx=N volume=80%\"

  ${BLUE}ISO IMAGES:${NORMAL}
     ${GREEN}-cdrom${NORMAL}  or [-c] create cdrom iso file in $ISOS
    [${GREEN}-force${NORMAL}] force cdrom build if external SQUASH is enabled
            ( this will put squashfs into initramfs )

  ${BLUE}Install package in cache:${NORMAL}
     ${GREEN}-instpkg${NORMAL}
        This option download with apt-get install -d -y (not install)
        and extract package in ${TCOS_PKG_CACHE}
        This is used for use some tool (example esound) without instllin it.

  ${BLUE}Remove package from cache:${NORMAL}
     ${GREEN}-rmpkg${NORMAL}
        This option remove cached package from ${TCOS_PKG_CACHE}

  ${BLUE}List cached packages:${NORMAL}
     ${GREEN}-listpkg${NORMAL}
        This option list all cached packages with -instpkg option

  ${BLUE}Fix NVIDIA/ATI driver problem:${NORMAL}
     ${GREEN}-fix-nvidia-ati${NORMAL}
        This option cache xserver-xorg-core and libgl1-mesa-glx 
        packages to avoid using nvidia/ati libs.


   In all build you can add this params:

    ${BLUE}-vmlinuz${NORMAL}=[ vmlinuz.x.x.x | /boot/vmlinuz.x.x.x ]
        this will build all images with the kernel version of this file

  Examples of use:
${WHITE}
     gentcos -tftp -suffix=-pc1
     gentcos -nfs -rootfs
     gentcos -cdrom
     gentcos -nbi -extra-append=\"vga=791 uselocal\"
     gentcos -instpkg esound
     gentcos -rmpkg esound
     gentcos -listpkg
     gentcos -fix-nvidia-ati
${NORMAL}
"
}

if [ $# = 0 ]; then
 usage
 _exit 0
fi



alert_need_module() {
       _mod=$1
      echo "ERROR:"
      echo "    to build usable TCOS initramfs images need this kernel module: \"${_mod}\""
      echo ""
      echo "    Perhaps we have compiled for you, try installing tcos-extra-modules-${TCOS_KERNEL}"
      echo "    if package don't exist you can try to build it"
      echo ""
      echo "   # apt-get install module-assistant linux-headers-${TCOS_KERNEL} ${_mod}-source"
      echo "   # m-a -t -k /usr/src/linux-headers-${TCOS_KERNEL} build,install ${_mod}"
      echo ""

      echo ""
      echo "NOTE: You can change kernel version in ${TCOS_CONF}/tcos.conf file"
}



check_modules() {
    NEED_MODULES="aufs|overlayfs|unionfs squashfs"

    for _module in ${NEED_MODULES}; do
       have_module=0
       if [ "$(echo $_module | awk -F "|" '{print $2}')" != "" ]; then
         for _mod in $(echo $_module | sed 's/|/ /g'); do
           #_echo "searching for module $_mod"
           tcos_find_module "${_mod}" && have_module=1
         done
       else
         tcos_find_module "${_module}" && have_module=1
       fi

       if [ ${have_module} = 0 ] ; then
          alert_need_module $_module
          _exit 1
       fi
    done
}


check_xfs() {
    # since 0.89.13 TCOS not need XFS server
    return
    if [ ! -e /etc/tcos/chroot ] && [ ! -f /etc/X11/fs/config ]; then
        echo ""
        echo "WARNING:"
        echo "        TCOS needs a font server, please install xfs package"
        echo "        and configure to allow remote connections. See README."
        echo ""
    else
      if [ ! -e /etc/tcos/chroot ] && grep -q "^no-listen" /etc/X11/fs/config ; then
        echo "WARNING:"
        echo "        TCOS need a network font server. Please edit /etc/X11/fs/config"
        echo "        search for no-listen = tcp line and put like this:"
        echo "                 #no-listen = tcp   "
        echo "        Then restart service:   /etc/init.d/xfs restart"
      fi

    fi
}

link_vmlinuz() {
    if [ $TCOS_VMLINUZ ]; then
       if [ -f $TCOS_VMLINUZ ] ; then
          vmlinuz=$(basename ${TCOS_VMLINUZ} )
          TCOS_KERNEL=${vmlinuz#vmlinuz-}
           if ! find  ${TFTP_DIR}/*${vmlinuz}* 2> /dev/null | grep -q vmlinuz ; then
              # no link, create
              echo "Linking ${TCOS_VMLINUZ} in ${TFTP_DIR}/"
              ln -s $TCOS_VMLINUZ ${TFTP_DIR}/
           fi
       elif [ -f /boot/${TCOS_VMLINUZ} ]; then
          vmlinuz=${TCOS_VMLINUZ}
          TCOS_KERNEL=${vmlinuz#vmlinuz-}
           if ! find  ${TFTP_DIR}/*${vmlinuz}* 2> /dev/null | grep -q vmlinuz ; then
              # no link, create
              echo "Linking ${TCOS_VMLINUZ} in ${TFTP_DIR}/"
              ln -s /boot/$TCOS_VMLINUZ ${TFTP_DIR}/
           fi      
       else
          echo "ERROR: vmlinuz argument not found: ${TCOS_VMLINUZ}"
          echo "       You can use -vmlinuz=vmlinuz-x.x.x or"
          echo "                   -vmlinuz=/boot/vmlinuz-x.x.x"
          echo ""
          echo "       Using default kernel ${TCOS_KERNEL}"
       fi
    fi
}



list_pkg() {
      echo "  Installed cached packages are:"
      ls -1 ${TCOS_PKG_CACHE} 2>/dev/null
     _exit 0
}

check_cached_packages(){
for PKG in $(echo ${TCOS_PKG_CACHE_LIST} | sed 's/,/ /g'); do
    if [ ${PKG} = "fix-nvidia-ati" ];then
         CANDIDATE1=$(LC_ALL=C apt-cache policy xserver-xorg-core | awk -F"Candidate: " '/Candidate/ {print $2}' | sed 's/[[:blank:]]*//g')
         CANDIDATE2=$(LC_ALL=C apt-cache policy libgl1-mesa-glx | awk -F"Candidate: " '/Candidate/ {print $2}' | sed 's/[[:blank:]]*//g')
         VER1=""
         VER2=""
         [ -e ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.xserver ] && VER1=$(cat ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.xserver)
         [ -e ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.glx ] && VER2=$(cat ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.glx)
         if [ "${CANDIDATE1}" != "${VER1}" -o "${CANDIDATE2}" != "${VER2}" ];then
             echo "Updating package cache fix-nvidia-ati..."
             fix_nvidia_ati "1"
         fi
    else
         CANDIDATE=$(LC_ALL=C apt-cache policy ${PKG} | awk -F"Candidate: " '/Candidate/ {print $2}' | sed 's/[[:blank:]]*//g')
         VER=""
         [ -e ${TCOS_PKG_CACHE}/${PKG}/VERSION ] && VER=$(cat ${TCOS_PKG_CACHE}/${PKG}/VERSION)
         if [ "${CANDIDATE}" != "${VER}" ];then
             echo "Updating package cache ${PKG} to version ${CANDIDATE}..."
             tcos_inst_pkg ${PKG}
         fi
    fi
done
}

get_pkg_uri() {
  PKG_MIRROR=$(basename $(rgrep "/$1_" /var/lib/apt/ 2>/dev/null| awk -F":" '{print $1}'| head -1) 2>/dev/null)
  if [ $? != 0 ]; then
    return 1
  fi
  MIRROR=$(echo $PKG_MIRROR | sed 's|_|/|g' | awk -F"/dists" '{print $1}')
  COMPLETE_MIRROR=$(grep "$MIRROR " /etc/apt/sources.list | grep -v "^#" |awk '{print $2}')
  PKG_FILE=$(rgrep "/$1_" /var/lib/apt/ 2>/dev/null| awk '{print $2}'| head -1)

  echo ${COMPLETE_MIRROR}/${PKG_FILE}
}

tcos_inst_pkg() {
  error=0
  echo "Install PKG \"$@\""
  for PKG in ${@}; do
    rm -f /var/cache/apt/archives/${PKG}_* 2>/dev/null
    PKG_URI=$(apt-get install -qq --print-uris --reinstall ${PKG}| egrep 'file|http|ftp' \
	 | grep "/${PKG}_" | awk '{print $1}'| tr -d "'")

    if [ "${PKG_URI}" = "" ]; then
      PKG_URI=$(get_pkg_uri ${PKG})
    fi

    PKG_PROTOCOL=$(echo ${PKG_URI} | awk -F ":" '{print $1}')
    if [ "${PKG_PROTOCOL}" = "http" ] || [ "${PKG_PROTOCOL}" = "ftp" ]; then
      PKG_FILE=/tmp/$(basename $PKG_URI)
      _echo "  * Downloading ${PKG_URI}"
      wget -q "${PKG_URI}" -O ${PKG_FILE}
    elif [ "${PKG_PROTOCOL}" = "file" ]; then
      PKG_FILE=$(echo ${PKG_URI} | sed s/"file:"//g )
      echo "Using file:// protocol, package is in ${PKG_FILE} "
    else
      echo "Unknow PKG_URI=${PKG_URI} protocol: ${PKG_PROTOCOL} "
      error=1
      PKG_FILE=""
      echo "There are some errors during caching \"${PKG}\". PLEASE CHECK REPOSITORIES!!"
    fi
    dpkg -I ${PKG_FILE} >/dev/null 2>&1
    if [ $? -ne 0 ] || [ "${PKG_FILE}" = "" ] ; then
      echo "Error: Unknow package: ${PKG}"
      error=1
      echo "There are some errors during caching \"${PKG}\". PLEASE CHECK REPOSITORIES!!"
    else
      echo "Extracting $(basename ${PKG_FILE})..."
      VER=$(LC_ALL=C apt-cache policy ${PKG} | awk -F"Candidate: " '/Candidate/ {print $2}' | sed 's/[[:blank:]]*//g')
      rm -rf ${TCOS_PKG_CACHE}/${PKG}
      mkdir -p ${TCOS_PKG_CACHE}/${PKG}
      dpkg --extract "${PKG_FILE}" ${TCOS_PKG_CACHE}/${PKG}
      if [ "${PKG}" = "xserver-xorg-core" ];then
           echo ${VER} > ${TCOS_PKG_CACHE}/${PKG}/VERSION.xserver
      elif [ "${PKG}" = "libgl1-mesa-glx" ];then
           echo ${VER} > ${TCOS_PKG_CACHE}/${PKG}/VERSION.glx
      else
           echo ${VER} > ${TCOS_PKG_CACHE}/${PKG}/VERSION
      fi
      [ -e /tmp/$(basename $PKG_URI) ] && rm -f /tmp/$(basename $PKG_URI)
    fi
  done
  [ $error = 0 ] && echo "All package installed."
  [ $error != 0 ] && _exit 1
}

tcos_rm_pkg() {
  echo "Remove PKG \"$@\""
  for PKG in ${@}; do

    if [ -d "${TCOS_PKG_CACHE}/${PKG}" ]; then
      echo -n "Removing package ${PKG}..."
      rm -rf "${TCOS_PKG_CACHE}/${PKG}"
      echo " done."
    fi
  done
  _exit 0
}


fix_nvidia_ati() {
    tcos_inst_pkg "xserver-xorg-core libgl1-mesa-glx"
    rm -rf   ${TCOS_PKG_CACHE}/fix-nvidia-ati
    mkdir -p ${TCOS_PKG_CACHE}/fix-nvidia-ati

    [ -e ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/extensions/libglx.so ] && \
    mv ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/extensions/libglx.so \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libglx.so
       
    # libGLcore.so is not provided by xserver-xorg-core in >= 1.6
    [ -e ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/extensions/libGLcore.so ] && \
       mv ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/extensions/libGLcore.so \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libGLcore.so

    [ -e ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/libwfb.so ] && \
       mv ${TCOS_PKG_CACHE}/xserver-xorg-core/usr/lib/xorg/modules/libwfb.so \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libwfb.so
    
    [ -e ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/libGL.so.1.2 ] && \
    mv ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/libGL.so.1.2 \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libGL.so.1.2

    # multiarch support i386
    [ -e ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/i386-linux-gnu/libGL.so.1.2 ] && \
    mv ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/i386-linux-gnu/libGL.so.1.2 \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libGL.so.1.2

    # multiarch support amd64
    [ -e ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/x86_64-linux-gnu/libGL.so.1.2 ] && \
    mv ${TCOS_PKG_CACHE}/libgl1-mesa-glx/usr/lib/x86_64-linux-gnu/libGL.so.1.2 \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/libGL.so.1.2

    [ -e ${TCOS_PKG_CACHE}/xserver-xorg-core/VERSION.xserver ] && \
       mv ${TCOS_PKG_CACHE}/xserver-xorg-core/VERSION.xserver \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.xserver

    [ -e ${TCOS_PKG_CACHE}/libgl1-mesa-glx/VERSION.glx ] && \
       mv ${TCOS_PKG_CACHE}/libgl1-mesa-glx/VERSION.glx \
       ${TCOS_PKG_CACHE}/fix-nvidia-ati/VERSION.glx
       
    rm -rf ${TCOS_PKG_CACHE}/xserver-xorg-core
    rm -rf ${TCOS_PKG_CACHE}/libgl1-mesa-glx
    echo "NVIDIA/ATI cache done"
    [ ! -z $1 ] || _exit 0
}

for opt in $@ ; do
   case ${opt} in
        -h) _help
            _exit 0
            ;;
        -help) _help
            _exit 0
            ;;
        -c) TCOS_CDROM=1
            ;;
        -cdrom) TCOS_CDROM=1
            ;;
        -t) TCOS_TFTP=1
            ;;
        -tftp) TCOS_TFTP=1
            ;;
        -nfs) TCOS_NFS=1
            ;;
        -n) TCOS_NFS=1
            ;;
        -o=*) OUTINITRAMFS=${opt#-o=}
            ;;
        -b) TCOS_NBI=1 ;
		    TCOS_TFTP=1 
            ;;
        -nbi) TCOS_NBI=1 ;
		      TCOS_TFTP=1
            ;;
        -nbi-output=*) OUTNBI=${opt#-nbi-output=}
            ;;
        -extra-append=*) EXTRA_APPEND=${opt#-extra-append=}
            ;;
        -suffix=*) TCOS_SUFFIX=${opt#-suffix=}
            ;;
        -f) TCOS_FORCE=1
            ;;
        -v) MKVERBOSE="-v"
            ;;
        -force) TCOS_FORCE=1
            ;;
        -type=*) 
          	TYPE=${opt#-type=} ;
			TCOS_CDROM=1
            ;;
        -vmlinuz=*) 
          	TCOS_VMLINUZ=${opt#-vmlinuz=} ;
            ;;
        -size)
            TCOS_SIZE=1
            ;;
        -allmodules) TCOS_ALL_MODULES=1
            ;;
        -extramodules=*) TCOS_EXTRA_MODULES="${TCOS_EXTRA_MODULES},"${opt#-extramodules=}
            ;;
        -rootfs)
            TCOS_ROOTFS=1
            ;;
        -instpkg) tcos_inst_pkg "${@#-instpkg}"; _exit 0
            ;;
        -rmpkg) tcos_rm_pkg "${@#-rmpkg}"; _exit 0
            ;;
        -listpkg) list_pkg
            ;;
        -fix-nvidia-ati) fix_nvidia_ati
            ;;
        -parse-pxelinuxcfg)
            parse_pxelinuxcfg
            _exit 0
            ;;
        --*)
            echo "Double -- is not accepted as command line parameter."
            echo "See $0 -help to know about usage"
            _exit 1
            ;;
	esac
done






################# START APP here ############################

if [ ! -d /lib/modules/${TCOS_KERNEL} ]; then
   echo "Error: kernel ${TCOS_KERNEL} not found."
   _exit 1
fi

# link vmlinuz in TFTP_DIR
link_vmlinuz

# check for unionfs and squashfs
check_modules

# check for XFS setup
# check_xfs

# make a pxelinux.cfg/default with this kernel
#parse_pxelinuxcfg




OUTINITRAMFS=initramfs-${TCOS_KERNEL}
OUTNBI=linux-${TCOS_KERNEL}.nbi


# disable usr.squashfs external file (need into initramfs)
if [ $TCOS_CDROM ] ; then
  export TCOS_SQUASHFS=
fi

# add suffix to usr.squashfs into hooks/tcosbin
if [ $TCOS_SUFFIX ]; then
  export TCOS_SUFFIX
fi

# generate allmodules.squashfs to teast all hardware in terminal
if [ $TCOS_ALL_MODULES ]; then
  export TCOS_ALL_MODULES
fi

# Check if cached packages need update only if action is regenerate image
if [ $TCOS_PKG_CACHE_LIST ];then
  export TCOS_PKG_CACHE_LIST
  check_cached_packages
fi

if [ ! -z $TCOS_CDROM ]; then
 if [ ${TCOS_SQUASHFS} ]; then
   echo "Can build external usr.squashfs to use in cdrom iso."
   echo "Edit ${TCOS_CONF}/tcos.conf and set TCOS_DISABLE_SQUASHFS=1 or TCOS_SQUASHFS="
   if [ ! ${TCOS_FORCE} ]; then
     echo "  Use [-f | -force]  to continue."
     _exit 1
   fi
 fi
fi


# default isolinux
if [ ! -z $TCOS_CDROM ]; then
  create_isolinux_iso
fi



if [ ! -z $TCOS_TFTP ]; then
 if [ ! -f ${INITRAMFS} ]; then
   create_initramfs
 fi

 if [ $TCOS_NBI ]; then
   cp ${INITRAMFS} /tmp/initramfs-${TCOS_KERNEL}
   create_nbi
 fi

 # don't overwrite initramfs if we are generating NBI image
 if [ ! ${TCOS_NBI} ]; then
  _echo "Copying initramfs to ${TFTP_DIR}/${OUTINITRAMFS}${TCOS_SUFFIX}" 
  cp ${INITRAMFS} ${TFTP_DIR}/${OUTINITRAMFS}${TCOS_SUFFIX}
 fi

 if [ $TCOS_NBI ]; then
   _echo "Moving nbi image to ${TFTP_DIR}/${OUTNBI}${TCOS_SUFFIX}"
   cp ${TMPNBI} ${TFTP_DIR}/${OUTNBI}${TCOS_SUFFIX}
 fi

fi

if [ $TCOS_NFS ]; then
  create_initramfs_nfs
  _echo "Copying initramfs to ${TFTP_DIR}/${OUTINITRAMFS}-nfs" 
  cp ${INITRAMFS}-nfs ${TFTP_DIR}/${OUTINITRAMFS}-nfs
fi

if [ $TCOS_ROOTFS ]; then
  create_rootfs
fi

if [ $TCOS_SIZE ]; then
  ramdisk_size
fi

parse_pxelinuxcfg
_exit 0