wok view syslinux/stuff/iso2exe/init @ rev 17569

syslinux/iso2exe/init: fix reboot
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sat Feb 07 20:40:28 2015 +0100 (2015-02-07)
parents 00bb1e4137c6
children 52c9cc2da3c6
line source
1 #!/bin/sh
3 DIALOG=dialog
5 ddq()
6 {
7 dd $@ 2> /dev/null
8 }
10 get()
11 {
12 od -v -j $1 -N ${4:-${3:-2}} -t u${3:-2} -w${3:-2} -An $2 2>/dev/null ||
13 hexdump -v -s $1 -n ${4:-${3:-2}} -e "\"\" 1/${3:-2} \" %d\n\"" $2
14 }
16 getarg()
17 {
18 sed "/$1=/!d;s/.*$1=\\([^ ]*\\).*/\\1/" /proc/cmdline
19 }
21 clear()
22 {
23 echo -e "\x1B[1;1H\x1B[J"
24 }
26 xless()
27 {
28 [ $(wc -l < "$1") -gt 22 ] &&
29 sed 's/..3.;4.m/===/g;$s/.*/&\n---\nPress q to continue/' "$1" | less ||
30 { cat "$1"
31 [ "$2" ] || return
32 echo -e "$2"
33 read n
34 }
35 }
37 tinydialog()
38 {
39 clear
40 label=""
41 while [ "$1" ]; do
42 case "$1" in
43 --title) title=" \x1B[30;47m$2\x1B[37;40m\n"
44 echo -e $title; shift ;;
45 --yes-label) label="$2" ; shift ;;
46 --textbox)
47 xless "$2" "\nPress RETURN to continue."
48 break;;
49 --gauge)
50 t=" "
51 echo -e "$t$2\n"
52 while read pct ; do
53 s=" "
54 s="$s$pct%$s"
55 pct=$((($pct*63)/100))
56 echo -en "\r$t\x1B[30;47m$(echo "$s" | cut -c-$pct)\x1B[37;40m$(echo "$s" | cut -c$(($pct+1))-)"
57 done
58 break;;
59 --yesno)
60 while true; do
61 clear
62 echo "$2" | sed 's/\\n\\n/\\n/g;s/\\n/\n/g'
63 echo -en " <- 1:${label:-Yes} 2:Cancel\r"
64 read x
65 case "$x" in
66 ''|Y*|y*|1) return 0;;
67 N*|n*|2|0) return 1;;
68 esac
69 done ;;
70 --menu|--radiolist)
71 [ "$1" == "--menu" ] && shft=2 || shft=3
72 label=""
73 [ "$2" ] && label="\n$2"
74 shift 5
75 echo -e "$title$label\n0 Cancel" > /tmp/data
76 n=1
77 while [ "$1" ]; do
78 eval key_$n='$1'
79 echo "$((n++)) $2"
80 shift $shft
81 done >> /tmp/data
82 while ! grep -q "^$n " /tmp/data ; do
83 clear
84 xless /tmp/data
85 echo -en "\n <- Enter the selection number\r"
86 read n
87 done 2> /dev/null
88 rm -f /tmp/data
89 [ $n -eq 0 ] && return 1
90 eval echo -n \$key_$n 1>&2
91 return 0;;
92 esac
93 shift
94 done
95 }
97 mount_proc()
98 {
99 mount -t proc /proc /proc
100 mount -t sysfs /sys /sys
101 udevd --daemon 2> /dev/null && udevadm trigger && sleep 5
102 }
104 umount_proc()
105 {
106 killall udevd 2> /dev/null
107 umount /sys/fs/fuse/connections 2> /dev/null
108 umount /sys
109 umount /proc
110 }
112 bytes2bin()
113 {
114 for i in $@ ; do
115 printf '\\\\x%02X' $(($i&255))
116 done | xargs echo -en
117 }
119 words2bin()
120 {
121 for i in $@ ; do
122 printf '\\\\x%02X\\\\x%02X' $(($i&255)) $((($i>>8)&255))
123 done | xargs echo -en
124 }
126 gettazboot()
127 {
128 echo "Creating $(basename $1) ..."
129 O=$(($(get 66 /mnt/$ISO) - 0xC0))
130 L=$(($(get 20 /mnt/$ISO) - 0xC0 - $(get 24 /mnt/$ISO) - $O))
131 S=$((32+$L))
132 P=$((($S+511)/512))
133 E=$((4096-(32*$P)))
134 words2bin 0x5A4D $(($S%512)) $P 0 2 $E -1 $((${2:-0}-16)) \
135 -2 0 256 -16 28 0x6C53 0x5469 0x7A61 > $1
136 ddq bs=1 count=$L skip=$(echo $O) if=/mnt/$ISO >> $1
137 }
139 checkmagic()
140 {
141 [ -s $1 ] && [ $(getarg magic) == $(get 24 $1 4) ]
142 }
144 getiso()
145 {
146 mkdir -p /media/cdrom
147 for dev in /sys/block/?d?/?d??* ; do
148 mount /dev/$(basename $dev) /mnt
149 if checkmagic /mnt/$ISO; then
150 mount -o loop,ro /mnt/$ISO /media/cdrom
151 echo "Found $ISO on $(basename $dev)"
152 break
153 fi
154 umount /mnt
155 done
156 }
158 uncpio()
159 {
160 [ -s "$1" ] || return
161 echo -en "\n Extracting $(basename $1) ..."
162 case $(get 0 $1) in
163 *35615) ( zcat || gunzip ) ;;
164 *14333) unxz ;;
165 *\ 93) unlzma ;;
166 *) cat ;;
167 esac < $1 | ( cd ${2:-/} ; cpio -idmu > /dev/null 2>&1 )
168 }
170 dotwait()
171 {
172 echo -n "${1:-Install filesystem}.."
173 touch /tmp/wait
174 while [ -e /tmp/wait ]; do
175 echo -n "." > /dev/tty0
176 sleep 1
177 done &
178 }
180 getuuid()
181 {
182 dev=$(mount | sed '/ \/mnt /!d;s/ .*//;s|/dev/||;q')
183 blkid | sed "/$dev:/!d;s/.* UUID=.\\([^ ]*\\)\".*/\\1/"
184 }
186 tazusbinitfs()
187 {
188 PAD=$(($(stat -c %s $1) % 4))
189 [ $PAD -ne 0 ] && ddq if=/dev/zero bs=1 count=$((4 - $PAD)) >> $1
190 mkdir -p /tmp/fs/etc /tmp/fs/lib /tmp/fs/home
191 cp -a /etc/locale.conf /tmp/fs/etc 2> /dev/null
192 cp -a /etc/keymap.conf /tmp/fs/etc 2> /dev/null
193 sed 's/ .*//' /proc/modules | while read mod ; do
194 find /lib/modules/ | grep $mod.ko | \
195 sed 's|.*|cp & /tmp/fs/lib|' | sh
196 done
197 cat > /tmp/fs/init1 <<EOT
198 #!/bin/sh
199 sed -i 's|sbin/init|init2|' /init
200 exec /init
201 EOT
202 cat > /tmp/fs/init2 <<EOT
203 #!/bin/sh
205 mount -t proc /proc /proc
206 grep -q debug /proc/cmdline && debug=true && set -x
207 for i in /lib/*.ko* ; do insmod \$i 2> /dev/null ; done; sleep 2
208 v=\$(sed '/\\/home=/!d;s|.*/home=\\([^ ]*\\).*|\\1|' /proc/cmdline /cmdline 2> /dev/null)
209 mount / -o remount,rw
210 mkdir /mnt/dos
211 rm -f /cmdline 2> /dev/null
212 mount / -o remount,ro
213 mnt=/mnt/dos/\${v#*/}
214 dev=\$( (blkid /dev/[sh]d* || blkid) | grep \${v%%/*} | sed 's/:.*//;q')
215 echo "Mount \$dev in /mnt/dos for \$v..." | tee -a /run/boot.log
216 mount \$dev /mnt/dos
217 mount.posixovl -F \$mnt -- -oallow_other -odefault_permissions -osuid
218 mount --bind \$mnt /home
219 [ "\$debug" = "true" ] && sh
220 umount /proc
221 exec /sbin/init
222 EOT
223 chmod 755 /tmp/fs/init?
224 cp -a /tmp/fs/* /
225 ( cd /tmp/fs ; find * | cpio -o -H newc ) | gzip -9 >> $1
226 }
228 mkinitrd()
229 {
230 dotwait "Creating $(basename $1) "
231 for i in bin lib dev proc tmp mnt etc ; do
232 mkdir -p /tmp/fs/$i
233 done
234 for i in /dev/console /dev/null /dev/tty /dev/tty0 /dev/tty1 /dev/tty2 \
235 /dev/fuse /dev/hd* /dev/sd* ; do
236 cp -a $i /tmp/fs$i
237 done
238 for i in /bin/busybox $(which mount.posixovl) $(which blkid); do
239 cp $(LD_TRACE_LOADED_OBJECTS=1 /lib/ld*.so $i | \
240 sed 's|.*=> \(.*/lib/l[^ ]*\).*|\1|;/^\//!d') /tmp/fs/lib
241 cp $i /tmp/fs/bin
242 done
243 cp -a /lib/ld-* /tmp/fs/lib
244 for i in $(busybox | sed '/Current/,$!d'); do
245 [ -e /tmp/fs/bin/${i%,} ] || ln -s busybox /tmp/fs/bin/${i%,}
246 done
247 ln -s /proc/mounts /tmp/fs/etc/mtab
248 sed 's/ .*//' /proc/modules | while read mod ; do
249 find /lib/modules/ | grep $mod.ko | \
250 sed 's|.*|cp & /tmp/fs/lib|' | sh
251 done
252 cat > /tmp/fs/init <<EOT
253 #!/bin/sh
255 arg()
256 {
257 grep -q \$1 /proc/cmdline &&
258 val="\$(sed "s/.*\$1=\\([^ ]*\\).*/\\1/" < /proc/cmdline)" &&
259 echo "\$2 \$val"
260 }
262 mount -t proc /proc /proc
263 arg debug "shell" && debug=true && set -x
264 for i in /lib/*.ko* ; do insmod \$i 2> /dev/null ; done; sleep 2
265 arg mount "Mount device"
266 mount \$( (blkid /dev/[sh]d* || blkid) | grep \$val | sed 's/:.*//;q') /mnt
267 arg subroot "Change root to directory"
268 mount.posixovl -F /mnt/\$val -- -oallow_other -odefault_permissions -osuid
269 mount --bind /mnt /mnt/\$val/mnt/dos
270 mount -o size=0 -t tmpfs tmpfs /mnt/\$val/mnt/dos/\$val
271 LDSO=\$(ls /mnt/\$val/lib/ld-* | sed q)
272 export LD_LIBRARY_PATH=\$val/lib:\$val/usr/lib:/lib
273 [ "$debug" = "true" ] && sh
274 umount /proc
275 exec /bin/switch_root /mnt \${LDSO#/mnt/} \$val/usr/sbin/chroot \$val /sbin/init
276 EOT
277 chmod +x /tmp/fs/init
278 ( cd /tmp/fs ; find * | cpio -o -H newc ) | lzma e $1 -si 2> /dev/null
279 rm -rf /tmp/fs /tmp/wait
280 }
282 is_loram()
283 {
284 [ -s /lib/squashfs.ko* ]
285 }
287 ls_r()
288 {
289 ls -r $@ 2> /dev/null || ls $@
290 }
292 doinstall()
293 {
294 mkdir -p /mnt/slitaz/boot /mnt/slitaz/mnt/dos
295 if ! mount.posixovl -F /mnt/slitaz -- \
296 -oallow_other -odefault_permissions -osuid; then
297 echo "Can't install SliTaz. Abort."
298 sleep 5
299 return 1
300 fi
301 dowait "Install root filesystem in /slitaz.."
302 if [ "$1" ]; then
303 if [ -d /media/cdrom/fs ]; then
304 ( cd /mnt/slitaz/fs; find | cpio -o -H newc ) | gzip -9
305 else
306 ls_r /media/cdrom/boot/rootfs* | xargs cat
307 fi > /mnt/slitaz/boot/rootfs.gz
308 tazusbinitfs /mnt/slitaz/boot/rootfs.gz
309 initrd=rootfs.gz
310 extraargs="/home=$(getuuid)/slitaz rdinit=/init1"
311 else
312 if [ -d /media/cdrom/fs ]; then
313 cp -a /media/cdrom/fs/. /mnt/slitaz
314 elif is_loram ; then
315 for i in /media/cdrom/boot/rootfs?*.* ; do
316 [ -s $(basename $i) ] && continue
317 cpio -i $i
318 done
319 for i in $(ls_r /media/cdrom/boot/rootfs*); do
320 mount -o loop,ro $i /sqfs/mnt
321 cp -a /sqfs/mnt/. /mnt/slitaz
322 umount -d /sqfs/mnt
323 done
324 else
325 for i in $(ls_r /media/cdrom/boot/rootfs*); do
326 uncpio $i /mnt/slitaz
327 done
328 fi
329 cp -a /etc/locale.conf /tmp/slitaz/etc 2> /dev/null
330 cp -a /etc/keymap.conf /tmp/slitaz/etc 2> /dev/null
331 mkinitrd /mnt/slitaz/boot/initrd
332 initrd=initrd
333 extraargs="mount=$(getuuid) subroot=slitaz"
334 fi
335 echo -en "\nInstall boot files..."
336 for i in /media/cdrom/boot/bzImage /media/cdrom/boot/*pxe* \
337 /media/cdrom/boot/isolinux/he* /media/cdrom/boot/isolinux/opt* \
338 /media/cdrom/README /media/cdrom/boot/memtest* ; do
339 [ -s $i ] && cp $i /mnt/slitaz/boot
340 done
341 for i in /mnt/slitaz/boot/memtest /mnt/slitaz/boot/*pxe* ; do
342 [ $(get 0 $i 2> /dev/null || echo 0) -eq 23117 ] &&
343 mv $i $i.exe
344 done
345 gettazboot /mnt/slitaz/boot/tazboot.exe
346 unix2dos > /mnt/slitaz/boot/tazboot.cmd <<EOT
347 kernel=/slitaz/boot/bzimage
348 initrd=/slitaz/boot/$initrd
349 rw root=/dev/null $extraargs autologin
350 EOT
351 unix2dos /mnt/slitaz/boot/he* /mnt/slitaz/boot/opt* \
352 /mnt/slitaz/boot/README
353 [ -d /mnt/slitaz/usr/sbin -a ! -x /mnt/slitaz/usr/sbin/mount.posixovl ] &&
354 cp $(which mount.posixovl) /mnt/slitaz/usr/sbin
355 rm -f /tmp/wait
356 false &&
357 [ -s /mnt/boot.ini ] && ! grep -qs tazboot /mnt/boot.ini &&
358 echo "Update boot.ini ..." && unix2dos >> /mnt/boot.ini <<EOT
359 C:\\slitaz\\boot\\tazboot.exe="SliTaz"
360 EOT
361 false &&
362 grep -qis menuitem /mnt/config.sys && ! grep -qi tazboot /mnt/config.sys &&
363 echo "Update config.sys ..." &&
364 sed -i 's/menudefault/menuitem SLITAZ, SliTaz\r\n&/' /mnt/config.sys &&
365 unix2dos >> /mnt/config.sys <<EOT
366 [SLITAZ]
367 install=\\slitaz\\boot\\tazboot.exe
368 EOT
369 return 0
370 }
372 install()
373 {
374 $DIALOG --clear \
375 --title " SliTaz UMSDOS way installation " \
376 --yes-label "Install" --yesno \
377 "\nSliTaz will be installed in the subdirectory \\slitaz of the current
378 DOS/Windows partition. You will see your files from /mnt/dos.\n\n
379 You can start SliTaz with \\slitaz\\boot\\tazboot.exe\n\n
380 To uninstall SliTaz, you have only to remove this directory.
381 The file \\boot.ini or \\config.sys may be modified too.\n\n
382 SliTaz may run slowly on 'UMSDOS way' installation due to the
383 posixovl filesystem. The 'TAZUSB way' installation runs faster.\n\n
384 To do a traditional installation with disk partitioning,
385 start SliTaz Live with 'SliTaz RAM boot' menu.\n
386 " 19 70
387 [ $? -eq 0 ] || return
388 doinstall || return
389 [ -x /mnt/slitaz/sbin/init ] || return
390 umount -d /media/cdrom
391 umount_proc
392 exec chroot /mnt/slitaz /sbin/init
393 }
395 installtaz()
396 {
397 $DIALOG --clear \
398 --title " SliTaz TAZUSB way installation " \
399 --yes-label "Install" --yesno \
400 "\nSliTaz will be installed in the subdirectory \\slitaz of the current
401 DOS/Windows partition. You will see your files from /mnt/dos.\n\n
402 You can start SliTaz with \\slitaz\\boot\\tazboot.exe\n\n
403 To uninstall SliTaz, you have only to remove this directory.
404 The file \\boot.ini or \\config.sys may be modified too.\n\n
405 The filesystem is loaded entirely into memory upon boot to
406 increase responsiveness. Only /home lands on hard disk.\n\n
407 To do a traditional installation with disk partitioning,
408 start SliTaz Live with 'SliTaz RAM boot' menu.\n
409 " 19 70
410 [ $? -eq 0 ] || return
411 doinstall tazusblike || return
412 dotwait
413 if [ -d /media/cdrom/fs ]; then
414 cp -a /media/cdrom/fs/. /
415 else
416 for i in $(ls_r /media/cdrom/boot/rootfs*); do
417 uncpio $i
418 done
419 fi
420 cp /tmp/fs/etc/* /etc
421 echo "/home=$(getuuid)/slitaz" > /cmdline
422 rm -f /tmp/wait
423 [ -x /init1 ] || return
424 umount -d /media/cdrom
425 umount /mnt/slitaz
426 rm -f /dev/cdrom
427 umount /mnt
428 mkdir /mnt/dos
429 umount_proc
430 exec /init1
431 }
433 tazboot()
434 {
435 $DIALOG --clear \
436 --title " SliTaz bootloader for DOS " \
437 --yes-label "Install" --yesno \
438 "\nThe file TAZBOOT.EXE will be created in the top directory. It supports
439 any linux kernel, multiple initramfs, a kernel command line and
440 an ISO image file loopback (retrieves files from an ISO file).\n\n
441 Usage: tazboot.exe [[@commands]|[kernel=<bzimage>]
442 [initrd=<rootfs>[,<rootfs2>...]] [bootfrom=<isofile>] cmdline args ...]\n\n
443 Defaults: tazboot @tazboot.cmd or tazboot kernel=bzImage auto\n\n\
444 Examples for tazboot.cmd:\n\n\
445 bootfrom=\\isos\\slitaz-4.0.iso\n\
446 kernel=boot/bzImage\n\
447 initrd=boot/rootfs4.gz,boot/rootfs3.gz,boot/rootfs2.gz,boot/rootfs1.gz\n\
448 rw root=/dev/null autologin\n\n\
449 kernel=\\slitaz\\vmlinuz root=/dev/sda5 ro\n\n
450 Unlike GRUB4DOS, it doesn't require unfragmented ISO image files.\n
451 " 24 78
452 [ $? -eq 0 ] || return
453 gettazboot /mnt/tazboot.exe
454 }
456 md5()
457 {
458 dotwait "Checking files"
459 ( cd /media/cdrom ; ${1:-md5sum -c md5sum*} ) > /tmp/data
460 rm -f /tmp/wait
461 $DIALOG --clear \
462 --title " Checked files " \
463 --textbox /tmp/data 24 78
464 rm -f /tmp/data
465 }
467 gotcdfile()
468 {
469 for i in /media/cdrom/$1 /media/cdrom/*/$1 \
470 /media/cdrom/*/isolinux/$1 ; do
471 file=$(ls $i 2> /dev/null | sed q)
472 [ -s "$file" ] && break
473 done
474 }
476 sha()
477 {
478 gotcdfile sha*sum*
479 sha=$(basename $file)
480 md5 "${sha%sum*}sum -c ${file#/media/cdrom/}"
481 }
483 readme()
484 {
485 gotcdfile README*
486 $DIALOG --clear \
487 --title " Readme " \
488 --textbox $file 24 78
489 }
491 bootlog()
492 {
493 $DIALOG --clear \
494 --title " Linux boot messages " \
495 --textbox /tmp/dmesg 24 78
496 }
498 bzimage()
499 {
500 $DIALOG --clear \
501 --title " Create linux.exe ? " \
502 --yes-label "Install" --yesno \
503 "\nLinux.exe launches the linux kernel under DOS (in real mode only).
504 The cmdline arguments are supported except initrd=,
505 vga= (you can try 'rdev -v') and mem= (partially).
506 \nExample:\nC:\\> linux.exe root=/dev/hda2 ro panic=60\n
507 " 12 70
508 [ $? -eq 0 ] || return
509 cp /media/cdrom/boot/bzImage /mnt/linux.exe
510 }
512 memtest()
513 {
514 $DIALOG --clear \
515 --title " Create memtest.exe ? " \
516 --yes-label "Install" --yesno \
517 "\nMemtest86 is a thorough, stand alone memory test for x86 architecture
518 computers. BIOS based memory tests are a quick, cursory check and often
519 miss many of the failures that are detected by Memtest86.\n
520 " 12 70
521 [ $? -eq 0 ] && gotcdfile memtest* && cp $file /mnt/memtest.exe
522 }
524 mkfat12()
525 {
526 [ $(($(get 0 $1) - 0x5A4D)) -eq 0 ] || return
527 J=$(($(get 3 $1 1) + 0x02))
528 R=$((1 + $(get 497 $1 1) + 1 + ($(get 500 $1)-1)/32))
529 [ $R -lt 2500 ] || return
530 [ $((($(get 500 $1)-1) & 31)) -lt 30 ] &&
531 ddq if=$file bs=32 count=1 seek=$(($R*16 - 1)) of=/dev/fd0
532 G="18 0 2 0 0 0 0 0"
533 [ $J -gt 25 ] || G=""
534 F=0
535 for i in 1 2 3; do
536 F=$((((2880-$R-$F-$F)*3+1023)/1024))
537 done
538 bytes2bin 0xEB $J 0x90 0x20 0x20 0x20 0x20 0x20 0x20 0x20 0x20 \
539 0 2 2 $(($R%256)) $(($R/256)) 2 64 0 64 11 0xF0 $F 0 \
540 $G | ddq bs=1 of=/dev/fd0
541 ddq if=/dev/zero bs=512 count=$((4+$F+$F)) seek=$R of=/dev/fd0
542 for i in $R $(($R+$F)) ; do
543 bytes2bin 0xF0 0xFF 0xFF | ddq bs=512 seek=$i of=/dev/fd0
544 done
545 echo -n $(basename $1) | ddq bs=1 seek=3 count=8 of=/dev/fd0
546 }
548 mkfloppy()
549 {
550 dotwait "Create a $(basename $1) boot floppy"
551 ddq if=$1 of=/dev/fd0
552 mkfat12 $1
553 rm -f /tmp/wait
554 }
556 fdmemtest()
557 {
558 $DIALOG --clear \
559 --title " Create a Memtest86 boot floppy " \
560 --yes-label "Create floppy" --yesno \
561 "\nMemtest86 is a thorough, stand alone memory test for x86 architecture
562 computers. BIOS based memory tests are a quick, cursory check and often
563 miss many of the failures that are detected by Memtest86.\n\n
564 Please insert a blank disk in floppy drive.\n
565 " 12 70
566 [ $? -eq 0 ] && gotcdfile memtest* && mkfloppy $file
567 }
569 pxe()
570 {
571 gotcdfile ?pxe
572 $DIALOG --clear \
573 --title " Create $(basename $file).exe ? " \
574 --yes-label "Install" --yesno \
575 "\nBoot your operating system from the internet and enjoy a full system
576 working entirely in RAM with speed and stability in mind. The Linux Kernel
577 and the complete SliTaz compressed root filesystem will be loaded into RAM
578 from the Web using PXE and HTTP protocols.\n
579 " 12 70
580 [ $? -eq 0 ] || return
581 cp $file /mnt/$(basename $file).exe
582 }
584 fdpxe()
585 {
586 $DIALOG --clear \
587 --title " Create a SliTaz Web boot floppy " \
588 --yes-label "Create floppy" --yesno \
589 "\nBoot your operating system from the internet and enjoy a full system
590 working entirely in RAM with speed and stability in mind. The Linux Kernel
591 and the complete SliTaz compressed root filesystem will be loaded into RAM
592 from the Web using PXE and HTTP protocols.\n\n
593 Please insert a blank disk in floppy drive.\n
594 " 12 70
595 [ $? -eq 0 ] && gotcdfile ?pxe && mkfloppy $file
596 }
598 gotposixovl()
599 {
600 mount.posixovl 2>&1 | grep -qi usage &&
601 echo -en "\"$1\" \"$2\""
602 }
604 xfile()
605 {
606 [ "$(which $1)" ] && echo -en "\"$2\" \"$3\""
607 }
609 cdfile()
610 {
611 gotcdfile "$1" && echo -en "\"$2\" \"$3\""
612 }
614 cdfilex()
615 {
616 [ "$(which kexec)" ] && cdfile "$@"
617 }
619 cdfilef()
620 {
621 [ -e /sys/block/fd0 ] && cdfile "$@"
622 }
624 cdexe()
625 {
626 gotcdfile "$1" &&
627 [ $(get 0 $file 2>/dev/null || echo 0) -eq 23117 ] &&
628 echo -en "\"$2\" \"$3\""
629 }
631 fddata()
632 {
633 [ -e /sys/block/fd0 ] &&
634 [ $(get 28 /mnt/$ISO 1 2> /dev/null || echo 0) -ne 0 ] &&
635 echo -en "\"$1\" \"$2\""
636 }
638 ishybrid()
639 {
640 C=$((2048*$(get $(((17*2048) + 71)) /mnt/$ISO 4)))
641 [ $(get $C /mnt/$ISO 4) -eq 1 ] || return
642 [ $(get $(($C+30)) /mnt/$ISO 4) -eq $((0x88AA55)) ] || return
643 C=$((2048*$(get $(($C+40)) /mnt/$ISO 4)))
644 [ $(get $(($C+64)) /mnt/$ISO 4) -eq 1886961915 ] &&
645 echo -en "\"$1\" \"$2\""
646 }
648 gotisomd5()
649 {
650 [ "$(which md5sum 2> /dev/null)" ] &&
651 [ $(get 18 /dev/loop0) -ne 0 ] && echo -en "\"$1\" \"$2\""
652 }
654 isomd5()
655 {
656 dotwait "Checking iso image"
657 [ "$(ddq if=/dev/loop0 bs=2k skip=16 \
658 count=$(echo $(get 32848 /dev/loop0)) | md5sum)" == \
659 "$(ddq if=/dev/loop0 bs=16 count=1 skip=2047 | od -N 16 -t x1 -An | \
660 sed 's/ //g') -" ] && echo "OK" || echo "ERROR"
661 echo -en "\rChecking iso hybrid boot"
662 n=$(($(get 2 /dev/loop0)-1+($(get 4 /dev/loop0)-1)*512))
663 s=$(get 0 /dev/loop0 2 $n | awk '{ i+= $0 } END { print i }')
664 [ $(((1+$s+$(get $(($n+1)) /dev/loop0 1)) % 65536)) -eq 0 ] &&
665 echo "OK" || echo "ERROR"
666 rm -f /tmp/wait
667 echo -e "\rPress RETURN to continue."
668 read n
669 }
671 fdbootstrap()
672 {
673 sz=$((512 * $(echo $(get 28 /mnt/$ISO 1))))
674 $DIALOG --clear \
675 --title " Create a floppy bootstrap " \
676 --yes-label "Continue" --yesno \
677 "\nThe floppy will install a driver to access the ISO file
678 on your hard disk and will emulate a CD-ROM during the boot process.\n\n
679 Please insert a floppy in drive now.\n
680 " 10 70
681 [ $? -eq 0 ] || return
682 ddq if=/mnt/$ISO of=/tmp/bootiso bs=1 count=512 \
683 skip=$(( $(get 66 /mnt/$ISO) - $sz ))
684 echo "$ISO" | ddq of=/tmp/bootiso bs=512 seek=1 count=1
685 ddq if=/mnt/$ISO of=/tmp/bootiso bs=1 count=$sz seek=2 \
686 skip=$(( $(get 66 /mnt/$ISO) - $sz + 512 ))
687 mkfloppy /tmp/bootiso
688 rm -f /tmp/bootiso
689 }
691 usbdev()
692 {
693 dotwait "Wait 5 seconds for USB devices"
694 sleep 5
695 rm -f /tmp/wait
696 DEV="$(grep -l 1 /sys/block/*/removable | \
697 sed 's|/sys/block/\(.*\)/removable|\1|')"
698 grep -qs 1 /sys/block/$DEV/ro && return
699 [ "$DEV" ] || return
700 cat > /tmp/dialog <<EOT
701 $DIALOG --clear \
702 --title " Select your USB key " \
703 --menu "\nPlease select the USB key according to its known size.\n\n" \
704 14 70 4 \
705 $(for i in $DEV ; do
706 echo -n "/dev/$i \"$(($(cat /sys/block/$i/size)/2048))MB $(cat /sys/block/$i/device/model 2> /dev/null)\" "
707 done) \
709 EOT
710 exec 3>&1
711 device=$(. /tmp/dialog 2>&1 1>&3)
712 retval=$?
713 exec 3>&-
714 [ $retval -eq 0 ]
715 }
717 tazusbmsg()
718 {
719 [ "$(which tazusb 2> /dev/null)" ] || return
720 echo "You should choose 'USB key read/write installation' to be
721 able to save the package updates or your own configuration and data files.\n\n"
722 }
724 usbbootkey()
725 {
726 $DIALOG --clear \
727 --title " Create a USB boot key " \
728 --yes-label "Continue" --yesno \
729 "\nThe USB key will be used like a CD-ROM. You will not be able to write
730 any data on the boot partition.\n\n
731 An extra FAT32 partition will be created with the remaining free space.\n\n
732 $(tazusbmsg)Please plug your USB stick in now.\n
733 " 16 70
734 [ $? -eq 0 ] || return
735 usbdev || return
737 # perform dd in progess bar
738 max=$(($(cat /sys/block/loop0/size)/2048))
739 i=0; ddq if=/mnt/$ISO bs=1024k | (
740 while ddq bs=1024k count=1 ; do
741 i=$(($i + 1))
742 [ $i -gt $max ] && break
743 echo $((($i*100)/$max)) | dialog --gauge \
744 " The ISO image transfer can be long. Please wait..." \
745 6 70 0 > /dev/tty0 2>&1
746 done ) > $device
748 # partition + fat32 format for the remining space
749 get 446 $device 2 12 | xargs echo | { read dx cx ol oh ll lh
750 if [ $dx -eq $((0x3F17)) ]; then
751 cx=$(($cx & 0xFF00))
752 ofs=$(($ll+($lh<<16)))
753 n=$(($(cat /sys/block/${device#/dev/}/size)-$ofs))
754 m=$(($cx+($n/8)))
755 [ $m -gt $((0x3FF00)) ] && m=$((0x3FF00))
756 m=$((($m & 0xFF00)+(($m>>16)<<6)))
757 words2bin 0 $((0x101+$cx)) 0x3F0B $((32+$m)) \
758 $ll $lh $(($n & 0xFFFF)) $(($n >> 16)) | \
759 ddq bs=1 seek=446 of=$device
760 if [ "$(which mkdosfs 2> /dev/null)" ]; then
761 losetup -o $((512*$ofs)) /dev/loop2 $device
762 mkdosfs -n "SLITAZ BOOT" /dev/loop2
763 words2bin $(($ofs & 0xFFFF)) $(($ofs >> 16)) | \
764 ddq bs=1 seek=28 of=/dev/loop2
765 losetup -d /dev/loop2
766 fi
767 fi ; }
768 }
770 usbkey()
771 {
772 $DIALOG --clear \
773 --title " Create a SliTaz USB key " \
774 --yes-label "Continue" --yesno \
775 "\nUnlike a hard drive install, the filesystem is kept in a compressed
776 rootfs.gz. The filesystem is loaded entirely into memory upon boot.
777 This should increase responsiveness, protect the filesystem against
778 accidental corruption and reduce read/writes to the USB drive.
779 Once setup, the tazusb utility can rewrite the root filesystem
780 with any changes you have made since booting up,
781 giving the effective benefits of a hard drive install.\n\n
782 /home is mounted on boot using the UUID of your particular flash drive.
783 Unlike a device name, the UUID has the benefit of never changing from machine
784 to machine.\n\n
785 Please plug your USB stick in now.\n
786 " 19 70
787 [ $? -eq 0 ] || return
788 usbdev || return
789 exec 3>&1
790 format=`$DIALOG --clear \
791 --title " Select the filesystem " \
792 --radiolist "\nPlease select the filesystem type to create.\n\n\
793 The filesystem creation will erase all the data \
794 in the USB key." 14 70 4 \
795 "none" "Do not erase the USB key" on \
796 "ext3" "Ext3 journaling filesystem" off \
797 "ext2" "Ext2 filesystem" off \
798 "fat32" "Windows FAT32 filesystem" off \
799 2>&1 1>&3`
800 retval=$?
801 exec 3>&-
802 [ $retval -eq 0 ] || return
803 [ "$format" != "none" ] && tazusb format $device "SliTaz" $format
804 tazusb gen-iso2usb /mnt/$ISO $device
805 }
807 mount_loram()
808 {
809 is_loram || return
810 insmod /lib/squashfs.ko* 2> /dev/null
811 if [ -d /media/cdrom/fs ]; then
812 ln -s /media/cdrom/fs /sqfs
813 else
814 mkdir /sqfs
815 mount -o loop,ro -t squashfs /rootfs*.gz /sqfs
816 fi
817 ln -s /sqfs/lib/* lib
818 ln -s /sqfs/usr /sqfs/var /
819 for i in dmesg basename tr od reboot poweroff getty sync ; do
820 ln -s /sqfs/bin/busybox /bin/$i
821 done
822 }
824 umount_loram()
825 {
826 is_loram || return
827 rm /var /usr
828 umount -d /sqfs
829 rmdir /sqfs
830 }
832 dosync()
833 {
834 sync
835 umount_loram
836 umount -d /media/cdrom
837 rm -f /dev/cdrom
838 umount /mnt
839 umount_proc
840 }
842 text()
843 {
844 dosync
845 exec /init
846 }
848 live()
849 {
850 n=0
851 dotwait "Extract filesystem..."
852 for i in $(ls_r /media/cdrom/boot/rootfs*gz); do
853 grep -q ' lm ' /proc/cpuinfo && [ -s ${i}64 ] && i=${i}64
854 [ $((n++)) -eq 0 ] || uncpio $i
855 done
856 rm -f /tmp/wait
857 text
858 }
860 restart()
861 {
862 dosync
863 reboot -f
864 }
866 stop()
867 {
868 dosync
869 poweroff -f
870 }
872 dokexec()
873 {
874 kexec -l $file
875 dosync
876 kexec -e
877 }
879 runmemtest()
880 {
881 gotcdfile memtest* && dokexec
882 }
884 runpxe()
885 {
886 gotcdfile ?pxe && dokexec
887 }
889 shell()
890 {
891 trap text 2
892 getty -n -l /bin/ash 38400 tty1 || sh
893 }
895 BIN=bin/mount.posixovl
896 [ -x /usr/s$BIN ] || mv /bin/mount.posixovl.iso2exe \
897 /usr/s$BIN 2> /dev/null || mv /bin/mount.posixovl.iso2exe /$BIN 2> /dev/null
898 mount_proc
899 ISO="$(getarg bootfrom | sed 's/.://;s|\\|/|g')"
900 getiso
901 mount_loram
902 case "${ISO##*/}$(getarg mode)" in
903 *install*|*INSTALL*) install ;;
904 *live*|*LIVE*) live ;;
905 *text*|*TEXT*) text ;;
906 esac
907 which $DIALOG 2> /dev/null || DIALOG=tinydialog
908 dmesg > /tmp/dmesg
910 while true; do
911 trap shell 2
912 keymap="$(cat /etc/keymap.conf 2> /dev/null)"
913 locale="$(sed '/^LANG=/!d;s/.*=//' /etc/locale.conf 2> /dev/null)"
914 cat > /tmp/dialog <<EOT
915 $DIALOG --clear \
916 --title " Welcome to Linux " \
917 --menu "" 23 70 17 \
918 $(xfile tazkeymap "tazkeymap" "Select keyboard (${keymap:-none})") \
919 $(xfile tazlocale "tazlocale" "Select locale (${locale:-none})") \
920 $(cdfile boot/bzImage "live" "Linux RAM boot (full desktop)") \
921 "text" "Linux RAM boot" \
922 $(cdfile README* "readme" "Show the README file") \
923 $(gotisomd5 "isomd5" "Check the ISO image") \
924 $(cdfile md5sum* "md5" "Check the ISO files") \
925 $(cdfile sha*sum* "sha" "Check the ISO files") \
926 $(gotposixovl "install" "Hard disk installation (UMSDOS way)") \
927 $(gotposixovl "installtaz" "Hard disk installation (TAZUSB way)") \
928 $(xfile tazusb "usbkey" "USB key read/write installation") \
929 $(ishybrid "usbbootkey" "USB boot key (read only)") \
930 $(fddata "fdbootstrap" "Create a floppy bootstrap") \
931 "tazboot" "Get tazboot.exe Linux loader" \
932 $(cdexe boot/bzImage "bzimage" "Get linux DOS/EXE file") \
933 $(cdexe memtest* "memtest" "Get Memtest86 DOS/EXE file") \
934 $(cdfilef memtest* "fdmemtest" "Create a Memtest86 boot floppy") \
935 $(cdfilex memtest* "runmemtest" "Start Memtest86") \
936 $(cdexe ?pxe "pxe" "Get SliTaz Web boot DOS/EXE utility") \
937 $(cdfilef ?pxe "fdpxe" "Create a SliTaz Web boot floppy") \
938 $(cdfilex ?pxe "runpxe" "Start the SliTaz Web boot utility") \
939 $(xfile reboot "restart" "Restart the computer") \
940 $(xfile poweroff "stop" "Power off") \
941 "bootlog" "Linux boot messages" \
942 "shell" "Shell prompt" \
944 EOT
945 exec 3>&1
946 value=$(. /tmp/dialog 2>&1 1>&3)
947 retval=$?
948 exec 3>&-
949 [ $retval -eq 0 ] || continue
950 $value
951 done