wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 24589

syslinux/iso2exe: fix possible data corruption
author Pascal Bellard <pascal.bellard@slitaz.org>
date Mon Feb 28 14:35:25 2022 +0000 (2022-02-28)
parents 67e02e438fee
children bc2b9d9bed6f
rev   line source
pascal@13691 1 #!/bin/sh
pascal@13691 2
pascal@13691 3 ddq()
pascal@13691 4 {
pascal@13691 5 dd $@ 2> /dev/null
pascal@13691 6 }
pascal@13691 7
pascal@20869 8 ddn()
pascal@20869 9 {
pascal@20869 10 ddq $@ conv=notrunc
pascal@20869 11 }
pascal@20869 12
pascal@13691 13 store()
pascal@13691 14 {
pascal@20803 15 local i
pascal@20859 16 local n
pascal@13691 17 n=$2; for i in $(seq 8 8 ${4:-16}); do
pascal@24177 18 printf '\\\\x%02X' $((n & 255))
pascal@24177 19 n=$((n >> 8))
pascal@20869 20 done | xargs echo -en | ddn bs=1 of=$3 seek=$(($1))
pascal@13691 21 }
pascal@13691 22
pascal@13972 23 get()
pascal@13972 24 {
pascal@18824 25 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An "$2")
pascal@13972 26 }
pascal@13972 27
pascal@17476 28 compress()
pascal@17476 29 {
pascal@17489 30 if [ "$1" ]; then
pascal@17489 31 gzip -9 > $1
pascal@17489 32 [ "$(which advdef 2> /dev/null)" ] &&
pascal@19425 33 advdef -z4 -i100 $1 > /dev/null
pascal@17489 34 elif [ "$(which xz 2> /dev/null)" ]; then
pascal@17476 35 xz -z -e --format=lzma --lzma1=mode=normal --stdout
pascal@17476 36 else
pascal@17476 37 lzma e -si -so
pascal@17476 38 fi 2> /dev/null
pascal@17476 39 }
pascal@17476 40
pascal@14150 41 add_rootfs()
pascal@13691 42 {
pascal@13691 43 TMP=/tmp/iso2exe$$
pascal@24011 44 mkdir -p $TMP/mnt
pascal@24011 45 mount -o loop,ro $1 $TMP/mnt
pascal@24157 46 if [ "$2" = "--array" ] || grep -qs rootfs $TMP/mnt/boot/isolinux/isolinux.cfg ; then
pascal@24011 47 $0 --get rootfs.gz > $TMP/rootfs.gz
pascal@24011 48 SIZE=$(wc -c < $TMP/rootfs.gz)
pascal@24227 49 if [ $(get 2048 $1) -eq 19792 -a $SIZE -lt 1912 ]; then ### Apple partitions
pascal@24227 50 store 24 $((0 - SIZE)) $1
pascal@24227 51 OFS2=$(( 0x1000 - SIZE ))
pascal@24227 52 OFS=$(( 0x7FF0 ))
pascal@24227 53 else
pascal@24227 54 store 24 $SIZE $1
pascal@24227 55 unset OFS2
pascal@24227 56 OFS=$(( 0x7FF0 - SIZE ))
pascal@24227 57 fi
pascal@24227 58 printf "Adding rootfs.gz file at %04X (%d bytes) ...\n" ${OFS2:-$OFS} $SIZE
pascal@24227 59 ddn if=$TMP/rootfs.gz of=$1 bs=1 seek=${OFS2:-$OFS}
pascal@24011 60 fi
pascal@24011 61 umount $TMP/mnt
pascal@13691 62 rm -rf $TMP
pascal@14150 63 }
pascal@14150 64
pascal@18062 65 add_tazlito_info()
pascal@18062 66 {
pascal@18062 67 HOLE=$OFS
pascal@18062 68 [ $(get 0 $2) -eq 35615 ] || return
pascal@19008 69 zcat $2 | compress /tmp/rezipped$$.gz
pascal@18062 70 n=$(stat -c %s /tmp/rezipped$$.gz)
pascal@24276 71 if [ $(get 2048 $1) -eq 19792 -a $n -lt 412 ]; then ### Apple partitions
pascal@24276 72 o=$((0x1200-n))
pascal@24276 73 else
pascal@24276 74 o=$OFS
pascal@24276 75 HOLE=$((HOLE+n))
pascal@24276 76 fi
pascal@24276 77 printf "Moving tazlito data record at %04X ($n bytes) ...\n" $o
pascal@24276 78 ddn if=/tmp/rezipped$$.gz bs=1 of=$1 seek=$o
pascal@18062 79 rm -f /tmp/rezipped$$.gz
pascal@19425 80 if [ -n "$gpt" ]; then
pascal@19425 81 store $((0x25E)) $n $1
pascal@24276 82 store $((0x25C)) $o $1
pascal@19425 83 fi
pascal@18062 84 }
pascal@18062 85
pascal@14150 86 add_win32exe()
pascal@14150 87 {
pascal@24177 88 $0 --get bootiso.bin 2> /dev/null > /tmp/bin$$
pascal@13974 89 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@24227 90 n=1536; n0=0; n2=0
pascal@24227 91 cut=$((0x98+$(get 0x94 /tmp/exe$$))) ### end of header
pascal@24177 92 if [ $(get 2048 /tmp/bin$$) -eq 19792 ]; then ### Fix EFI Apple partition
pascal@24177 93 o=$(($(get 584 "$1")*512))
pascal@24177 94 f=$(($(get $((o+0x20)) "$1" 4)/4))
pascal@24177 95 l=$((($(get $((o+0x28)) "$1" 4)+1)/4-f))
pascal@24177 96 store $((0x1008)) $(printf "%08x" $f | sed 's|\(..\)\(..\)\(..\)\(..\)|0x\4\3\2\1|') /tmp/bin$$ 32
pascal@24177 97 store $((0x1054)) $(printf "%08x" $l | sed 's|\(..\)\(..\)\(..\)\(..\)|0x\4\3\2\1|') /tmp/bin$$ 32
pascal@24227 98 printf "Adding Apple partition at %04X (2560 bytes) ...\n" 2048
pascal@24227 99 if [ $(get 0x86 /tmp/exe$$) -eq 3 ]; then ### UPX files have 3 sections
pascal@24227 100 n0=136; n2=2696 ### cut header / sections decripttion
pascal@24227 101 else
pascal@24227 102 n=4608
pascal@24227 103 fi
pascal@24177 104 fi
pascal@24227 105 SIZE=$((SIZE+n+n2-n0))
pascal@17454 106 printf "Adding WIN32 file at %04X (%d bytes) ...\n" 0 $SIZE
pascal@20859 107 [ -n "$gpt" ] && printf "Adding GPT at %04X (1024 bytes) ...\n" 512
pascal@24177 108 for i in $(seq 396 40 $((356+$(get 0x86 /tmp/exe$$)*40))); do ### 18C 1B4 1DC
pascal@24227 109 x=$((n + n2 - n0 + $(get $i /tmp/exe$$)))
pascal@24177 110 store $i $x /tmp/exe$$ ### section offset
pascal@20859 111 done
pascal@24177 112 store $((0x94)) $((n + cut - 0x98)) /tmp/exe$$
pascal@20869 113 ddn if=/tmp/exe$$ of=$1 bs=1 count=$cut
pascal@24227 114 [ $n2 -ne 0 ] && ddn if=/tmp/exe$$ of=$1 bs=1 skip=$cut seek=$((n+cut)) count=$n0
pascal@24227 115 ddn if=/tmp/exe$$ of=$1 bs=1 skip=$((n0+cut)) seek=$((n+n2+cut))
pascal@14261 116 printf "Adding bootiso head at %04X...\n" 0
pascal@14261 117 store 510 $((0xAA55)) $1
pascal@24180 118 while read adrs sz rem; do
pascal@24177 119 ddn if=/tmp/bin$$ of=$1 bs=1 count=$((0x$sz)) seek=$((0x$adrs)) skip=$((0x$adrs))
pascal@23863 120 done <<EOT
pascal@24177 121 0000 0080 ### DOS stub + MBR
pascal@24177 122 0178 0040 ### partition boot code + MBR partitions (178..26F)
pascal@24177 123 0270 0190 ### DOS EXE code (400-5FF=head buf)
pascal@24177 124 0600 0178 ### iso hybrid boot code
pascal@24177 125 0800 0088 ### Apple partition 1
pascal@24177 126 1000 0088 ### Apple partition 1
pascal@23863 127 EOT
pascal@23863 128 i=$((0x600))
pascal@23863 129 OFS=$SIZE
pascal@24177 130 rm -f /tmp/exe$$ /tmp/bin$$
pascal@20332 131 if [ -z "$RECURSIVE_PARTITION" -a $(get 454 $1 4) -eq 0 ]; then
pascal@24177 132 store 448 $((1+i/512)) $1 8 ### 446+2 SECTOR
pascal@24177 133 store 454 $((i/512)) $1 32 ### 446+8 OFFSET
pascal@20867 134 store 458 $(($(stat -c %s $1)/512)) $1 32 ### 446+12 SIZE
pascal@19670 135 fi
pascal@23996 136 mkdir /tmp/mnt$$
pascal@23996 137 mount -o loop,ro $1 /tmp/mnt$$
pascal@23996 138 if [ -s /tmp/mnt$$/boot/linld.com ]; then
pascal@23996 139 i=$(($(get 20 $1)-0xC0))
pascal@24177 140 store $((i-6)) $(($(busybox stat -m /tmp/mnt$$/boot/linld.com | sed q)*2048)) $1 32
pascal@24177 141 store $((i-2)) $(stat -c %s /tmp/mnt$$/boot/linld.com) $1
pascal@23999 142 r="$(sed '/rootfs[0-9]/!d;s|.* initrd=||;s|/boot/||g;s| .*||' \
pascal@23999 143 /tmp/mnt$$/boot/isolinux/isolinux.cfg | tail -n1)"
pascal@24011 144 if grep -qs rootfs /tmp/mnt$$/boot/isolinux/isolinux.cfg ; then
pascal@24011 145 echo -n "image=/boot/bzImage initrd=${r:-rootfs.gz},! autologin rdinit=/init.exe"
pascal@24011 146 else
pascal@24011 147 echo -n "$(sed '/KERNEL/!d;s|.*KERNEL *|image=|;q' /tmp/mnt$$/boot/isolinux/isolinux.cfg)"
pascal@24177 148 fi | ddn bs=1 of=$1 conv=notrunc seek=$((i-134))
pascal@23996 149 fi
pascal@23996 150 umount /tmp/mnt$$
pascal@23996 151 rmdir /tmp/mnt$$
pascal@14257 152 }
pascal@14257 153
pascal@14257 154 add_fdbootstrap()
pascal@14257 155 {
pascal@14268 156 SIZE=$($0 --get bootfd.bin 2> /dev/null | wc -c)
pascal@14257 157 if [ $SIZE -ne 0 ]; then
pascal@24177 158 SIZE=$(( SIZE - 512 )) ### sector 2 is data
pascal@24177 159 OFS=$(( OFS - SIZE ))
pascal@17454 160 printf "Adding floppy bootstrap file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@14268 161 $0 --get bootfd.bin | \
pascal@20869 162 ddn of=$1 bs=1 count=512 seek=$OFS
pascal@14268 163 $0 --get bootfd.bin | \
pascal@24177 164 ddn of=$1 bs=1 skip=1024 seek=$((512 + OFS))
pascal@24177 165 store 26 $((SIZE/512)) $1 8
pascal@14257 166 fi
pascal@14150 167 }
pascal@18670 168
pascal@18824 169 gzsize()
pascal@18824 170 {
pascal@18824 171 echo $(($(hexdump -C | awk ' {
pascal@19649 172 for (i = 17; i > 1; i--) if ($i != "00") break;
pascal@19649 173 if (i == 1) {
pascal@19649 174 print "0x" $1 " + 1 + 1 - " n
pascal@18824 175 exit
pascal@18824 176 }
pascal@19649 177 n = 17 - i
pascal@18824 178 }')))
pascal@18824 179 }
pascal@18824 180
pascal@18804 181 fileofs()
pascal@18804 182 {
pascal@19425 183 [ $(get 1024 "$ISO") -eq 35615 ] && x=1024 ||
pascal@19425 184 x=$((512*(1+$(get 417 "$ISO" 1))))
pascal@20725 185 [ $x -gt 32768 ] && x=6656
pascal@18824 186 stub=$(($(get 20 "$ISO") - 0xC0))
pascal@20861 187 dosstub=$stub
pascal@20861 188 [ $stub -lt 30000 ] && stub=$((0x7FF0)) && dosstub=
pascal@18848 189 c=$(custom_config_sector "$ISO")
pascal@18804 190 SIZE=0; OFFSET=0
pascal@18804 191 case "$1" in
pascal@24228 192 APT) [ $(get 2048 "$ISO") -eq 19792 ] && OFFSET=2048 && SIZE=2560;;
pascal@24228 193 GPT) [ $(get 512 "$ISO") -eq 17989 ] && OFFSET=512 &&
pascal@24228 194 SIZE=$((512+$(get 592 "$ISO")*$(get 596 "$ISO")));;
pascal@24227 195 win32.exe) [ $x -eq 2048 ] &&
pascal@24228 196 x=$((40*$(get 0x86 "$ISO")+0x98-24+$(get 0x94 "$ISO"))) &&
pascal@24227 197 x=$(($(get $x "$ISO")+$(get $((x+4)) "$ISO")))
pascal@23863 198 [ $x -eq 1024 ] || SIZE=$x;;
pascal@24177 199 syslinux.mbr) [ $x -eq 1024 ] || OFFSET=$((x - 512)); SIZE=336;;
pascal@19425 200 flavor.info) [ $(get 22528 "$ISO") -eq 35615 ] && OFFSET=22528
pascal@19425 201 [ $x -eq 2048 ] && x=$(get 0x25C "$ISO") &&
pascal@19425 202 SIZE=$(get 0x25E "$ISO")
pascal@19425 203 [ $(get $x "$ISO") -eq 35615 ] && OFFSET=$x
pascal@19425 204 [ $OFFSET -ne 0 ] && [ $SIZE -eq 0 ] &&
pascal@24177 205 SIZE=$(ddq bs=512 skip=$((OFFSET/512)) if="$ISO" | gzsize);;
pascal@18824 206 floppy.boot) SIZE=$(($(get 26 "$ISO" 1)*512))
pascal@24177 207 OFFSET=$(($(get 64 "$ISO") - 0xC0 - SIZE));;
pascal@24227 208 rootfs.gz) SIZE=$(get 24 "$ISO"); OFFSET=$((stub - SIZE))
pascal@24227 209 [ $SIZE -gt 60000 ] && SIZE=$((0x10000 - SIZE)) && OFFSET=$((0x1000 - SIZE));;
pascal@23810 210 isoboot.com) OFFSET=$(($(get 64 "$ISO") - 0xC0))
pascal@24177 211 SIZE=$((stub - $(get 24 "$ISO") - OFFSET));;
pascal@24177 212 dosstub) [ "$dosstub" ] && OFFSET=$stub && SIZE=$((0x7FF0 - OFFSET));;
pascal@20724 213 boot.md5) [ $(get 0 "$ISO") -eq 23117 ] &&
pascal@20724 214 [ $(get 18 "$ISO") -ne 0 ] &&
pascal@20724 215 OFFSET=$((0x7FF0)) && SIZE=16;;
pascal@18848 216 fs.iso) OFFSET=$((0x8000))
pascal@24177 217 SIZE=$((2048*c - OFFSET));;
pascal@18848 218 custom.magic) ddq bs=2k skip=$c if="$ISO" | ddq bs=1 count=6 | \
pascal@24177 219 grep -q '#!boot' && OFFSET=$((2048*c)) &&
pascal@18848 220 SIZE=39 ;;
pascal@24177 221 custom.append) OFFSET=$((2048*c+47)) &&
pascal@18848 222 SIZE=$(ddq bs=2k skip=$c if="$ISO" count=1 | \
pascal@18848 223 sed '/^append=/!d;s/^[^=]*=.//' | wc -c);;
pascal@19450 224 custom.initrd) x=$(ddq bs=2k skip=$c if="$ISO" count=1 | \
pascal@18848 225 sed '/^append=\|^initrd:/!d' | wc -c)
pascal@24177 226 OFFSET=$((2048*c+x+40))
pascal@18848 227 SIZE=$(($(ddq bs=2k skip=$c if="$ISO" count=1 | \
pascal@18848 228 sed '/^initrd:/!d;s/.*://') + 0));;
pascal@18804 229 esac
pascal@18804 230 }
pascal@18804 231
pascal@19848 232 trailer()
pascal@19848 233 {
pascal@19848 234 OFFSET=$(stat -c %s "$1")
pascal@19848 235 [ $OFFSET -gt $HEAP ] &&
pascal@24177 236 printf "%d free bytes in %04X..%04X\n" $((OFFSET - HEAP)) $HEAP $OFFSET
pascal@19848 237 if [ $(get 510 "$1") -eq 43605 ]; then
pascal@19848 238 echo "MBR partitions :"
pascal@19848 239 for i in 0 1 2 3; do
pascal@19848 240 SIZE=$(get $((446+12+16*i)) "$1" 4)
pascal@19848 241 [ $SIZE -eq 0 ] && continue
pascal@19848 242 OFFSET=$(get $((446+8+16*i)) "$1" 4)
pascal@19848 243 printf " $i:%08X %08X %02X\n" $OFFSET $SIZE \
pascal@19848 244 $(get $((446+4+16*i)) "$1" 1)
pascal@19848 245 done
pascal@20332 246 if [ $(get 450 "$1") -eq 65262 ]; then
pascal@24276 247 echo "EFI partitions :" ### https://en.wikipedia.org/wiki/GUID_Partition_Table
pascal@20332 248 n=$(get 592 "$1")
pascal@19848 249 s=$(get 596 "$1")
pascal@20332 250 o=$(($(get 584 "$1")*512))
pascal@19848 251 i=0
pascal@20332 252 while [ $i -lt $n ]; do
pascal@24177 253 f=$(get $((o+0x20)) "$1" 4)
pascal@24177 254 l=$(($(get $((o+0x28)) "$1" 4)-f))
pascal@19848 255 [ $l -eq 0 ] && break
pascal@24177 256 printf " $i:%08X %08X %s\n" $f $((l+1)) \
pascal@24177 257 "$(od -An -N 72 -w72 -j $((o+0x38)) -t a "$1" \
pascal@20332 258 | sed 's/ nul//g;s/ //g;s/ sp//g')"
pascal@24177 259 o=$((o+s))
pascal@24177 260 i=$((i+1))
pascal@19848 261 done
pascal@19848 262 fi
pascal@19848 263 fi
pascal@19848 264 o=2048
pascal@19848 265 if [ $(get $o "$1") -eq 19792 ]; then
pascal@24276 266 echo "Apple partitions :" ### https://en.wikipedia.org/wiki/Apple_Partition_Map
pascal@19848 267 i=0
pascal@19848 268 while [ $(get $o "$1") -eq 19792 ]; do
pascal@24177 269 f=$((0x$(od -An -N 4 -j $((o+8)) -t x1 "$1" | sed 's/ //g')))
pascal@24177 270 l=$((0x$(od -An -N 4 -j $((o+0x54)) -t x1 "$1" | sed 's/ //g')))
pascal@19848 271 printf " $i:%08X %08X %s\n" $f $l \
pascal@24177 272 "$(ddq bs=1 skip=$((o+16)) count=32 if="$1" | strings -n 1)"
pascal@24177 273 o=$((o+2048))
pascal@24177 274 i=$((i+1))
pascal@19848 275 done
pascal@19848 276 fi
pascal@19848 277 }
pascal@19848 278
pascal@18804 279 list()
pascal@18804 280 {
pascal@18824 281 HEAP=0
pascal@24228 282 for f in win32.exe GPT syslinux.mbr APT flavor.info floppy.boot isoboot.com \
pascal@18848 283 rootfs.gz dosstub boot.md5 fs.iso custom.magic custom.append \
pascal@18848 284 custom.initrd; do
pascal@18804 285 fileofs $f
pascal@18848 286 [ $SIZE -le 0 ] && continue
pascal@18848 287 [ "${OFFSET:8}" ] && continue
pascal@18820 288 [ $OFFSET -lt 0 ] && continue
pascal@18824 289 [ $(get $OFFSET "$ISO") -eq 0 ] && continue
pascal@24177 290 [ $OFFSET -gt $HEAP ] && [ $((OFFSET - HEAP)) -gt 16 ] &&
pascal@24177 291 printf "%d free bytes in %04X..%04X\n" $((OFFSET - HEAP)) $HEAP $OFFSET
pascal@24177 292 [ $OFFSET -ge $HEAP ] && HEAP=$((OFFSET+SIZE))
pascal@18824 293 printf "$f at %04X ($SIZE bytes).\n" $OFFSET
pascal@18804 294 done
pascal@19848 295 trailer $ISO
pascal@18804 296 }
pascal@18804 297
pascal@19838 298 restore_hybrid_mbr()
pascal@19838 299 {
pascal@23870 300 [ $(get 0 "$1") -eq 60905 ] &&
pascal@20869 301 ddn bs=1 if="$1" of="$1" skip=$((0x1BE)) seek=0 count=3
pascal@23870 302 ddn bs=1 skip=$((0x1BE)) count=66 if="$2" | \
pascal@23870 303 ddq bs=1 seek=$((0x1BE)) count=66 of="$1"
pascal@23870 304 if [ -n "$RECURSIVE_PARTITION" ]; then
pascal@23870 305 for i in 0 1 2 3 ; do
pascal@23870 306 n=$(get $((0x1C6+16*i)) $1 4)
pascal@23870 307 [ $n -eq 0 -o $n -gt 64 ] && continue
pascal@23870 308 store $((0x1C0+16*i)) 1 $1 8
pascal@23870 309 store $((0x1C6+16*i)) 0 $1 32
pascal@24177 310 store $((0x1CA+16*i)) $(($(get $((0x1CA+16*i)) $1 4)+n)) $1 32
pascal@23870 311 done
pascal@19838 312 fi
pascal@19838 313 }
pascal@19838 314
pascal@18804 315 extract()
pascal@18804 316 {
pascal@18804 317 for f in $@; do
pascal@18804 318 fileofs $f
pascal@18824 319 [ $SIZE -eq 0 ] ||
pascal@18824 320 ddq bs=1 count=$SIZE skip=$OFFSET if="$ISO" >$f
pascal@20891 321 [ "$f" = "syslinux.mbr" ] && restore_hybrid_mbr "$f" "$ISO"
pascal@18804 322 done
pascal@18804 323 }
pascal@18804 324
pascal@18670 325 custom_config_sector()
pascal@18670 326 {
pascal@19324 327 get 32848 "$1" 4
pascal@18670 328 }
pascal@18670 329
pascal@18773 330 clear_custom_config()
pascal@18773 331 {
pascal@24228 332 ddq of=$1 bs=2k seek=$start count=$(custom_config_sector $1)
pascal@18773 333 }
pascal@14150 334 case "$1" in
pascal@14150 335 --build)
pascal@14150 336 shift
pascal@19848 337 TMP=/tmp/iso2exe$$
pascal@23996 338 ddq if=/dev/zero bs=1k count=100 of=/tmp/fs$$
pascal@23996 339 mke2fs /tmp/fs$$ > /dev/null
pascal@23992 340 mkdir $TMP
pascal@23992 341 mount -o loop /tmp/fs$$ $TMP
pascal@23992 342 rm -rf $TMP/*
pascal@19848 343 mkdir -p $TMP/dev
pascal@19848 344 cp -a /dev/tty /dev/tty0 $TMP/dev
pascal@23988 345 sed 's|^[ |\t]*||' init > $TMP/init.exe
pascal@19848 346 find $TMP -type f -print0 | xargs -0 chmod +x
pascal@20771 347 find $TMP -print0 | xargs -0 touch -t 197001010100.00
pascal@23992 348 ( cd $TMP; find dev init.exe | cpio -o -H newc ) | compress rootfs.gz
pascal@23992 349 umount -d $TMP
pascal@23992 350 rm -rf $TMP /tmp/fs$$
pascal@23863 351 p=$((4-($(stat -c %s rootfs.gz)%4)))
pascal@23996 352 [ $p = 4 ] || ddq if=/dev/zero bs=1 count=$p >> rootfs.gz
pascal@21791 353 chmod 644 ${@/init/rootfs.gz}
pascal@21791 354 chown root.root ${@/init/rootfs.gz}
pascal@21791 355 touch -t 197001010100.00 ${@/init/rootfs.gz}
pascal@19848 356 ls -l $@ rootfs.gz
pascal@24589 357 sed '/^##/d;s|[ \t]*###.*||;/^case/,/^esac/d' $0 > $0.$$
pascal@24589 358 chmod +x $0.$$
pascal@20860 359 cat >> $0.$$ <<EOM
pascal@19848 360 $(tar cf - ${@/init/rootfs.gz} | compress | uuencode -m -)
pascal@14150 361 EOT
pascal@14150 362 EOM
pascal@20860 363 mv -f $0.$$ $0; exit ;;
pascal@14150 364 --get)
pascal@14150 365 cat $2
pascal@14150 366 exit ;;
pascal@14150 367 --array)
pascal@14150 368 DATA=/tmp/dataiso$$
pascal@14150 369 ddq if=/dev/zero bs=32k count=1 of=$DATA
pascal@14261 370 add_win32exe $DATA $2 > /dev/null
pascal@14261 371 HSZ=$OFS
pascal@24019 372 add_rootfs $DATA --array > /dev/null
pascal@14257 373 add_fdbootstrap $DATA > /dev/null
pascal@14257 374 name=${3:-bootiso}
pascal@24177 375 BOOTISOSZ=$((0x8000 - OFS + HSZ))
pascal@14150 376 cat <<EOT
pascal@14150 377
pascal@17451 378 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ
pascal@14150 379
pascal@18775 380 #ifndef __MSDOS__
pascal@14257 381 static char $name[] = {
pascal@17591 382 /* head */
pascal@18909 383 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" /* %04.4_ax */ \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17591 384 /* tail */
pascal@18909 385 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" /* %04.4_ax */ \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17591 386
pascal@17591 387 /* These strange constants are defined in RFC 1321 as
pascal@17591 388 T[i] = (int)(4294967296.0 * fabs(sin(i))), i=1..64
pascal@17591 389 */
pascal@17591 390 /* static const uint32_t C_array[64] */
pascal@17591 391 EOT
pascal@17591 392 while read a b c d; do
pascal@17591 393 for i in $a $b $c $d; do
pascal@17591 394 echo $i | sed 's/0x\(..\)\(..\)\(..\)\(..\),/0x\4, 0x\3, 0x\2, 0x\1, /'
pascal@17591 395 done
pascal@17591 396 done <<EOT
pascal@17591 397 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
pascal@17591 398 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
pascal@17591 399 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
pascal@17591 400 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
pascal@17591 401 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
pascal@17591 402 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
pascal@17591 403 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
pascal@17591 404 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
pascal@17591 405 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
pascal@17591 406 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
pascal@17591 407 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
pascal@17591 408 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
pascal@17591 409 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
pascal@17591 410 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
pascal@17591 411 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
pascal@17591 412 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
pascal@17591 413 EOT
pascal@17591 414 cat <<EOT
pascal@17591 415 /* static const char P_array[64] */
pascal@17591 416 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 1 */
pascal@17591 417 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, /* 2 */
pascal@17591 418 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, /* 3 */
pascal@17591 419 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9, /* 4 */
pascal@17591 420 /* static const char S_array[16] */
pascal@17591 421 7, 12, 17, 22,
pascal@17591 422 5, 9, 14, 20,
pascal@17591 423 4, 11, 16, 23,
pascal@17591 424 6, 10, 15, 21,
pascal@17451 425 EOT
pascal@17451 426
pascal@17451 427 for mode in data offset ; do
pascal@17451 428 ofs=0
pascal@17451 429 while read tag str; do
pascal@20891 430 if [ "$mode" = "data" ]; then
pascal@17451 431 echo -en "$str\0" | hexdump -v -e '" " 16/1 "0x%02X, "' \
pascal@18909 432 -e '" /* %04.4_ax */ \n"' | \
pascal@17451 433 sed 's/ 0x ,/ /g'
pascal@17451 434 else
pascal@17451 435 if [ $ofs -eq 0 ]; then
pascal@17451 436 cat <<EOT
pascal@14150 437 };
pascal@14150 438 #endif
pascal@17591 439
pascal@24177 440 #define C_array (uint32_t *) ($name + $((BOOTISOSZ)))
pascal@24177 441 #define P_array (char *) ($name + $((BOOTISOSZ+(64*4))))
pascal@24177 442 #define S_array (char *) ($name + $((BOOTISOSZ+(64*4)+64)))
pascal@17451 443 #define ELTORITOOFS 3
pascal@14150 444 EOT
pascal@17451 445 fi
pascal@24177 446 echo "#define $tag $((BOOTISOSZ+(64*4)+64+16+ofs))"
pascal@24177 447 ofs=$(($(echo -en "$str\0" | wc -c)+ofs))
pascal@17451 448 fi
pascal@17451 449 done <<EOT
pascal@17451 450 READSECTORERR Read sector failure.
pascal@18897 451 USAGE Usage: isohybrid.exe [--list|--read] [--append cmdline] [--initrd file] file.iso [--forced|--undo|--quick|filename...]
pascal@18909 452 OPENERR Can't open the iso file.
pascal@17451 453 ELTORITOERR No EL TORITO SPECIFICATION signature.
pascal@17451 454 CATALOGERR Invalid boot catalog.
pascal@17451 455 HYBRIDERR No isolinux.bin hybrid signature.
paul@17671 456 SUCCESSMSG Now you can create a USB key with your .iso file.\\\\nSimply rename it to an .exe file and run it.
pascal@17451 457 FORCEMSG You can add --forced to proceed anyway.
pascal@17591 458 MD5MSG Computing md5sum...
pascal@17591 459 UNINSTALLMSG Uninstall done.
pascal@18775 460 OPENINITRDERR Can't open the initrd file.
pascal@18780 461 ALREADYEXEERR Already an EXE file.
pascal@18897 462 WIN32_EXE win32.exe
pascal@18897 463 SYSLINUX_MBR syslinux.mbr
pascal@18897 464 FLAVOR_INFO flavor.info
pascal@18897 465 FLOPPY_BOOT floppy.boot
pascal@23810 466 ISOBOOT_COM isoboot.com
pascal@18897 467 ROOTFS_GZ rootfs.gz
pascal@18897 468 DOSSTUB dosstub
pascal@18897 469 BOOT_MD5 boot.md5
pascal@18897 470 FS_ISO fs.iso
pascal@18897 471 CUSTOM_MAGIC custom.magic
pascal@18897 472 CUSTOM_APPEND custom.append
pascal@18897 473 CUSTOM_INITRD custom.initrd
pascal@18909 474 CUSTOM_HEADER #!boot 00000000000000000000000000000000\\\\n
pascal@18909 475 FREE_FORMAT %ld free bytes in %04lX..%04lX\\\\n
pascal@18909 476 USED_FORMAT %s at %04lX (%ld bytes).\\\\n
pascal@18909 477 CMDLINE_TAG append=
pascal@18909 478 INITRD_TAG initrd:
pascal@17451 479 EOT
pascal@17451 480 done
pascal@18909 481 cat <<EOT
pascal@18909 482 #ifdef __MSDOS__
pascal@24177 483 #define BOOTISOFULLSIZE $((BOOTISOSZ+(64*4)+64+16+ofs))
pascal@18909 484 static char bootiso[BOOTISOFULLSIZE];
pascal@18909 485 static data_fixup(void)
pascal@18909 486 {
pascal@18909 487 #asm
pascal@18909 488 push ds
pascal@18909 489 push ds
pascal@18909 490 pop es
pascal@18909 491 mov ax,ds
pascal@18909 492 sub ax,#0x1000
pascal@18909 493 mov ds,ax
pascal@18909 494 xor si,si
pascal@18909 495 scanlp:
pascal@18909 496 dec si
pascal@18909 497 jz copydone
pascal@18909 498 cmp byte ptr [si+2],#0xEB
pascal@18909 499 jne scanlp
pascal@18909 500 cmp word ptr [si],#0x5A4D
pascal@18909 501 jne scanlp
pascal@18909 502 mov cx,#BOOTISOFULLSIZE
pascal@18909 503 mov di,#_bootiso
pascal@18909 504 cld
pascal@18909 505 rep
pascal@18909 506 movsb
pascal@18909 507 copydone:
pascal@18909 508 pop ds
pascal@18909 509 #endasm
pascal@18909 510 if (!bootiso[0]) {
pascal@18909 511 puts("No bootiso data");
pascal@18909 512 exit(-1);
pascal@18909 513 }
pascal@18909 514 }
pascal@18909 515 #else
pascal@18909 516 #define data_fixup()
pascal@18909 517 #endif
pascal@18909 518 EOT
pascal@14150 519 rm -rf $DATA
pascal@14150 520 exit ;;
pascal@14150 521 --exe)
pascal@14150 522 # --exe mvcom.bin x.com y.exe > xy.exe
pascal@14150 523 cat $4 $3 > /tmp/exe$$
pascal@14150 524 S=$(stat -c %s /tmp/exe$$)
pascal@24177 525 store 2 $((S%512)) /tmp/exe$$
pascal@24177 526 store 4 $(((S+511)/512)) /tmp/exe$$
pascal@14150 527 store 14 -16 /tmp/exe$$
pascal@14150 528 store 16 -2 /tmp/exe$$
pascal@14150 529 store 20 256 /tmp/exe$$
pascal@14150 530 store 22 -16 /tmp/exe$$
pascal@20869 531 ddn if=$2 bs=1 seek=64 of=/tmp/exe$$
pascal@14150 532 store 65 $(stat -c %s $3) /tmp/exe$$
pascal@14150 533 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
pascal@14150 534 cat /tmp/exe$$
pascal@14150 535 rm -f /tmp/exe$$
pascal@14150 536 exit ;;
pascal@14150 537 esac
pascal@14150 538
pascal@14150 539 main()
pascal@14150 540 {
pascal@18802 541 [ $(id -u) -ne 0 ] && cmd="$0 $@" && exec su -c "$cmd" < /dev/tty
pascal@18670 542 append=
pascal@18670 543 initrd=
pascal@19425 544
pascal@18670 545 while [ "$1" ]; do
pascal@18670 546 case "${1/--/-}" in
pascal@18670 547 -get) shift
pascal@18670 548 uudecode | unlzma | tar xOf - $@
pascal@18670 549 exit ;;
pascal@18670 550 -a*) append="$2" ; shift 2 ;;
pascal@18670 551 -i*) initrd="$2" ; shift 2 ;;
pascal@18848 552 -r*|-l*)
pascal@18848 553 ISO="$2" ; shift 2
pascal@18804 554 [ -z "$1" ] && list || extract $@
pascal@18804 555 exit ;;
pascal@18670 556 *) cat > /dev/null
pascal@18670 557 break
pascal@18670 558 esac
pascal@18670 559 done
pascal@14150 560
pascal@18670 561 [ ! -s "$1" ] && cat 1>&2 <<EOT && exit 1
pascal@18848 562 usage: $0 [--list|--read] [--append custom_cmdline ] [ --initrd custom_initrd ] image.iso [--force|--undo|"DOS help message"|filename...]
pascal@18670 563 EOT
pascal@17451 564 case "${2/--/-}" in
pascal@18820 565 -u*|-r*|-w*|-f*)
pascal@17451 566 case "$(get 0 $1)" in
pascal@17451 567 23117)
pascal@18063 568 b=$(get 417 $1 1)
pascal@24177 569 n=$(($(get 64 $1) + 0xC0 - ($(get 26 $1 1)*512) - (b+1)*512))
pascal@19838 570 ddq if=$1 bs=512 count=1 skip=$b of=/tmp/hymbr$$
pascal@19838 571 restore_hybrid_mbr /tmp/hymbr$$ $1
pascal@20869 572 ddn if=/tmp/hymbr$$ of=$1
pascal@19838 573 rm -f /tmp/hymbr$$
pascal@19425 574 if [ $(get 512 $1) -eq 17989 ]; then
pascal@19425 575 n=$(($(get 0x25C $1)/512))
pascal@20869 576 ddn if=$1 bs=512 seek=44 count=20 skip=$n of=$1
pascal@20869 577 ddn if=/dev/zero bs=512 seek=9 count=35 of=$1
pascal@20869 578 ddn if=/dev/zero bs=512 seek=3 count=1 of=$1
pascal@19425 579 else
pascal@20869 580 ddn if=/dev/zero bs=512 seek=1 count=1 of=$1
pascal@24177 581 ddn if=$1 bs=512 seek=2 count=30 skip=$((b+1)) of=$1
pascal@24177 582 ddn if=/dev/zero bs=1 seek=$n count=$((0x8000 - n)) of=$1
pascal@19425 583 fi ;;
pascal@20869 584 *) ddn if=/dev/zero bs=1k count=32 of=$1 ;;
pascal@17451 585 esac
pascal@18820 586 case "${2/--/-}" in
pascal@18820 587 -f*)
pascal@19077 588 [ "$append$initrd" ] && clear_custom_config $1
pascal@19077 589 set -- "$1" "$3" ;;
pascal@18820 590 *)
pascal@18820 591 clear_custom_config $1
pascal@18820 592 exit 0 ;;
pascal@18820 593 esac
pascal@17451 594 esac
pascal@14150 595 case "$(get 0 $1)" in
pascal@14150 596 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
pascal@24177 597 0) [ -x /usr/bin/isohybrid ] && isohybrid -entry 2 $1;; ### Add gpt EFI
pascal@14150 598 esac
pascal@19425 599
pascal@20332 600 gpt= ; [ $(get 450 $1) -eq 65262 ] && gpt=1
pascal@24177 601 echo "Read tazlito data..."
pascal@24177 602 n=2; [ -n "$gpt" ] && n=44 && echo "GUID Partition Table..."
pascal@24177 603 ddq if=$1 bs=512 skip=$n count=20 of=/tmp/tazlito$$
pascal@24177 604 add_win32exe $1
pascal@18062 605 add_tazlito_info $1 /tmp/tazlito$$
pascal@24177 606 rm -f /tmp/tazlito$$
pascal@14150 607
pascal@14150 608 # keep the largest room for the tazlito info file
pascal@14150 609 add_rootfs $1
pascal@14257 610 add_fdbootstrap $1
pascal@24177 611 printf "%d free bytes in %04X..%04X\n" $((OFS-HOLE)) $HOLE $OFS
pascal@17810 612 store 440 $(date +%s) $1 32
pascal@17562 613 [ "$2" ] && echo "$2 " | \
pascal@20869 614 ddn bs=1 seek=$((0x7FDE)) count=15 of=$1
pascal@17562 615 if [ $(stat -c %s $1) -gt 34816 ]; then
pascal@17562 616 echo "Adding ISO image md5 at 7FF0 (16 bytes) ..."
pascal@19323 617 echo -en "$(ddq if=$1 bs=2k skip=16 count=$(($(get 32848 "$1" 4)-16)) | \
pascal@17562 618 md5sum | cut -c-32 | sed 's/\(..\)/\\x\1/g')" | \
pascal@20869 619 ddn bs=16 seek=2047 of=$1
pascal@17496 620 fi
pascal@19848 621 HEAP=$(($(custom_config_sector $1)*2048))
pascal@18670 622 if [ "$append$initrd" ]; then
pascal@18670 623 echo -n "Adding custom config... "
pascal@18676 624 DATA=/tmp/$(basename $0)$$
pascal@18670 625 rm -f $DATA > /dev/null
pascal@18672 626 isosz=$(stat -c %s $1)
pascal@18670 627 [ "$append" ] && echo "append=$append" >> $DATA
pascal@18670 628 [ -s "$initrd" ] && echo "initrd:$(stat -c %s $initrd)" >> $DATA &&
pascal@18670 629 cat $initrd >> $DATA
pascal@18670 630 echo "#!boot $(md5sum $DATA | sed 's/ .*//')" | cat - $DATA | \
pascal@19848 631 ddq bs=2k seek=$(custom_config_sector $1) of=$1
pascal@19027 632 newsz=$(stat -c %s $1)
pascal@24177 633 mb=$((((newsz -1)/1048576)+1))
pascal@24177 634 HEAP=$((mb*1048576))
pascal@19848 635 ddq bs=1048576 seek=$mb count=0 of=$1
pascal@19848 636 h=$(get 417 "$1" 1)
pascal@19848 637 [ -z "$RECURSIVE_PARTITION" ] || h=0
pascal@19258 638 for i in 0 1 2 3 ; do
pascal@20891 639 [ $(get $((0x1BE+16*i)) $1 2) = $((0x0080)) ] || continue
pascal@24177 640 store $((0x1CA+16*i)) $((mb*2048-h)) $1 32
pascal@24177 641 store $((0x1C5+16*i)) $((mb-1)) $1 8
pascal@19027 642 done
pascal@19027 643 if [ $newsz -gt $isosz ]; then
pascal@24177 644 echo "$((newsz - isosz)) extra bytes."
pascal@18670 645 else
pascal@24177 646 echo "$((isosz - 2048*$(get 32848 $1 4)
pascal@18670 647 - $(stat -c %s $DATA) - 24)) bytes free."
pascal@18670 648 fi
pascal@18670 649 rm -f $DATA > /dev/null
pascal@18670 650 fi
pascal@19027 651 echo -n "Adding boot checksum..."
pascal@19027 652 if [ $(stat -c %s $1) -gt 32768 ]; then
pascal@19027 653 n=$(($(get 2 $1) - 1 + ($(get 4 $1) - 1)*512))
pascal@19027 654 n=$(($(od -v -N $n -t u2 -w2 -An $1 | \
pascal@19027 655 awk '{ i+= $0 } END { print (i % 65536) }') \
pascal@24177 656 + $(get $((n+1)) $1 1)))
pascal@24177 657 store 18 $(( (-n -1) % 65536 )) $1
pascal@19027 658 fi
pascal@19027 659 echo " done."
pascal@19848 660 trailer $1
pascal@13691 661 }
pascal@13691 662
pascal@18672 663 main "$@" <<EOT