wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 17562
syslinux/iso2exe: use iso size to compute md5sum
author | Pascal Bellard <pascal.bellard@slitaz.org> |
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date | Sat Feb 07 15:39:46 2015 +0100 (2015-02-07) |
parents | 26654c1a7ca7 |
children | 52c9cc2da3c6 |
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@13691 | 8 store() |
pascal@13691 | 9 { |
pascal@13691 | 10 n=$2; for i in $(seq 8 8 ${4:-16}); do |
pascal@13691 | 11 printf '\\\\x%02X' $(($n & 255)) |
pascal@13691 | 12 n=$(($n >> 8)) |
pascal@13691 | 13 done | xargs echo -en | ddq bs=1 conv=notrunc of=$3 seek=$(($1)) |
pascal@13691 | 14 } |
pascal@13691 | 15 |
pascal@13972 | 16 get() |
pascal@13972 | 17 { |
pascal@13972 | 18 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An $2) |
pascal@13972 | 19 } |
pascal@13972 | 20 |
pascal@17476 | 21 compress() |
pascal@17476 | 22 { |
pascal@17489 | 23 if [ "$1" ]; then |
pascal@17489 | 24 gzip -9 > $1 |
pascal@17489 | 25 [ "$(which advdef 2> /dev/null)" ] && |
pascal@17489 | 26 advdef -z4 $1 > /dev/null |
pascal@17489 | 27 elif [ "$(which xz 2> /dev/null)" ]; then |
pascal@17476 | 28 xz -z -e --format=lzma --lzma1=mode=normal --stdout |
pascal@17476 | 29 else |
pascal@17476 | 30 lzma e -si -so |
pascal@17476 | 31 fi 2> /dev/null |
pascal@17476 | 32 } |
pascal@17476 | 33 |
pascal@14150 | 34 add_rootfs() |
pascal@13691 | 35 { |
pascal@13691 | 36 TMP=/tmp/iso2exe$$ |
pascal@13713 | 37 mkdir -p $TMP/bin $TMP/dev |
pascal@17477 | 38 cp -a /dev/?d?* /dev/tty /dev/tty0 $TMP/dev |
pascal@13691 | 39 $0 --get init > $TMP/init.exe |
pascal@17489 | 40 # mount -o loop,ro $1 $TMP |
pascal@17489 | 41 # oldslitaz="$(ls $TMP/boot/isolinux/splash.lss 2> /dev/null)" |
pascal@17489 | 42 # umount -d $TMP |
pascal@17489 | 43 # [ "$oldslitaz" ] && # for SliTaz <= 3.0 only... |
pascal@17489 | 44 # grep -q mount.posixovl.iso2exe $TMP/init.exe && |
pascal@17489 | 45 # cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \ |
pascal@17489 | 46 # 2> /dev/null && echo "Store mount.posixovl ($(wc -c \ |
pascal@17489 | 47 # < /usr/sbin/mount.posixovl) bytes) ..." |
pascal@17252 | 48 find $TMP -type f -print0 | xargs -0 chmod +x |
pascal@17489 | 49 ( cd $TMP ; find * | cpio -o -H newc ) | compress $TMP/rootfs.gz |
pascal@13691 | 50 SIZE=$(wc -c < $TMP/rootfs.gz) |
pascal@13972 | 51 store 24 $SIZE $1 |
pascal@14261 | 52 OFS=$(( $OFS - $SIZE )) |
pascal@17454 | 53 printf "Adding rootfs.gz file at %04X (%d bytes) ...\n" $OFS $SIZE |
pascal@13691 | 54 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc |
pascal@13691 | 55 rm -rf $TMP |
pascal@14150 | 56 } |
pascal@14150 | 57 |
pascal@14261 | 58 add_dosexe() |
pascal@14261 | 59 { |
pascal@17492 | 60 TMP=/tmp/bootiso$$ |
pascal@17492 | 61 $0 --get bootiso.bin > $TMP 2> /dev/null |
pascal@17492 | 62 OFS=$(($(get 20 $TMP) - 0xC0)) |
pascal@17492 | 63 printf "Adding DOS/EXE stub at %04X (%d bytes) ...\n" $OFS $((0x8000 - $OFS)) |
pascal@17492 | 64 ddq if=$TMP bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc |
pascal@17492 | 65 rm -f $TMP |
pascal@14261 | 66 } |
pascal@14261 | 67 |
pascal@14150 | 68 add_doscom() |
pascal@14150 | 69 { |
pascal@13972 | 70 SIZE=$($0 --get boot.com | wc -c) |
pascal@13691 | 71 OFS=$(( $OFS - $SIZE )) |
pascal@17454 | 72 printf "Adding DOS boot file at %04X (%d bytes) ...\n" $OFS $SIZE |
pascal@13972 | 73 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc |
pascal@13972 | 74 store 66 $(($OFS+0xC0)) $1 |
pascal@14150 | 75 } |
pascal@14150 | 76 |
pascal@14150 | 77 add_win32exe() |
pascal@14150 | 78 { |
pascal@13974 | 79 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c) |
pascal@17454 | 80 printf "Adding WIN32 file at %04X (%d bytes) ...\n" 0 $SIZE |
pascal@14261 | 81 ddq if=/tmp/exe$$ of=$1 conv=notrunc |
pascal@14261 | 82 printf "Adding bootiso head at %04X...\n" 0 |
pascal@14261 | 83 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$ |
pascal@14261 | 84 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc |
pascal@14266 | 85 store $((0x94)) $((0xE0 - 12*8)) $1 |
pascal@14266 | 86 store $((0xF4)) $((16 - 12)) $1 |
pascal@14267 | 87 ddq if=$1 of=/tmp/coff$$ bs=1 skip=$((0x178)) count=$((0x88)) |
pascal@14267 | 88 ddq if=/tmp/coff$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8)) |
pascal@14267 | 89 ddq if=/tmp/exe$$ of=$1 bs=1 count=30 seek=$((0x1A0)) skip=$((0x1A0)) conv=notrunc |
pascal@14267 | 90 ddq if=$2 bs=1 skip=$((0x1BE)) seek=$((0x1BE)) count=66 of=$1 conv=notrunc |
pascal@14261 | 91 store 69 $(($SIZE/512)) $1 8 |
pascal@14261 | 92 store 510 $((0xAA55)) $1 |
pascal@14267 | 93 rm -f /tmp/exe$$ /tmp/coff$$ |
pascal@17454 | 94 printf "Moving syslinux hybrid boot record at %04X (512 bytes) ...\n" $SIZE |
pascal@14261 | 95 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc |
pascal@14261 | 96 OFS=$(($SIZE+512)) |
pascal@14257 | 97 } |
pascal@14257 | 98 |
pascal@14257 | 99 add_fdbootstrap() |
pascal@14257 | 100 { |
pascal@14268 | 101 SIZE=$($0 --get bootfd.bin 2> /dev/null | wc -c) |
pascal@14257 | 102 if [ $SIZE -ne 0 ]; then |
pascal@17454 | 103 SIZE=$(( $SIZE - 512 )) # sector 2 is data |
pascal@17454 | 104 OFS=$(( $OFS - $SIZE )) |
pascal@17454 | 105 printf "Adding floppy bootstrap file at %04X (%d bytes) ...\n" $OFS $SIZE |
pascal@14268 | 106 $0 --get bootfd.bin | \ |
pascal@14268 | 107 ddq of=$1 bs=1 count=512 seek=$OFS conv=notrunc |
pascal@14268 | 108 $0 --get bootfd.bin | \ |
pascal@14268 | 109 ddq of=$1 bs=1 skip=1024 seek=$((512 + $OFS)) conv=notrunc |
pascal@17454 | 110 store 28 $(($SIZE/512)) $1 8 |
pascal@14257 | 111 fi |
pascal@14150 | 112 } |
pascal@14150 | 113 case "$1" in |
pascal@14150 | 114 --build) |
pascal@14150 | 115 shift |
pascal@14261 | 116 ls -l $@ |
pascal@14150 | 117 cat >> $0 <<EOM |
pascal@17476 | 118 $(tar cf - $@ | compress | uuencode -m -) |
pascal@14150 | 119 EOT |
pascal@14150 | 120 EOM |
pascal@14150 | 121 sed -i '/^case/,/^esac/d' $0 |
pascal@14150 | 122 exit ;; |
pascal@14150 | 123 --get) |
pascal@14150 | 124 cat $2 |
pascal@14150 | 125 exit ;; |
pascal@14150 | 126 --array) |
pascal@14150 | 127 DATA=/tmp/dataiso$$ |
pascal@14150 | 128 ddq if=/dev/zero bs=32k count=1 of=$DATA |
pascal@14261 | 129 add_win32exe $DATA $2 > /dev/null |
pascal@14261 | 130 HSZ=$OFS |
pascal@14261 | 131 add_dosexe $DATA > /dev/null |
pascal@14150 | 132 add_rootfs $DATA > /dev/null |
pascal@14150 | 133 add_doscom $DATA > /dev/null |
pascal@14257 | 134 add_fdbootstrap $DATA > /dev/null |
pascal@14257 | 135 name=${3:-bootiso} |
pascal@17451 | 136 BOOTISOSZ=$((0x8000 - $OFS + $HSZ)) |
pascal@14150 | 137 cat <<EOT |
pascal@14150 | 138 |
pascal@17451 | 139 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ |
pascal@14150 | 140 |
pascal@14150 | 141 #ifdef WIN32 |
pascal@14257 | 142 static char $name[] = { |
pascal@14261 | 143 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g') |
pascal@14150 | 144 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g') |
pascal@17451 | 145 EOT |
pascal@17451 | 146 |
pascal@17451 | 147 for mode in data offset ; do |
pascal@17451 | 148 ofs=0 |
pascal@17451 | 149 while read tag str; do |
pascal@17451 | 150 if [ "$mode" == "data" ]; then |
pascal@17451 | 151 echo -en "$str\0" | hexdump -v -e '" " 16/1 "0x%02X, "' \ |
pascal@17451 | 152 -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' | \ |
pascal@17451 | 153 sed 's/ 0x ,/ /g' |
pascal@17451 | 154 else |
pascal@17451 | 155 if [ $ofs -eq 0 ]; then |
pascal@17451 | 156 cat <<EOT |
pascal@14150 | 157 }; |
pascal@17451 | 158 #else |
pascal@17451 | 159 static char *$name; |
pascal@14150 | 160 #endif |
pascal@17451 | 161 #define ELTORITOOFS 3 |
pascal@14150 | 162 EOT |
pascal@17451 | 163 fi |
pascal@17451 | 164 echo "#define $tag $(($BOOTISOSZ+$ofs))" |
pascal@17451 | 165 ofs=$(($(echo -en "$str\0" | wc -c)+$ofs)) |
pascal@17451 | 166 fi |
pascal@17451 | 167 done <<EOT |
pascal@17451 | 168 READSECTORERR Read sector failure. |
pascal@17451 | 169 USAGE Usage: isohybrid.exe file.iso [--forced] |
pascal@17451 | 170 OPENERR Can't open r/w the iso file. |
pascal@17451 | 171 ELTORITOERR No EL TORITO SPECIFICATION signature. |
pascal@17451 | 172 CATALOGERR Invalid boot catalog. |
pascal@17451 | 173 HYBRIDERR No isolinux.bin hybrid signature. |
pascal@17451 | 174 SUCCESSMSG Now you can create a USB key with your .iso file.\\\\nSimply rename it to a .exe file and run it. |
pascal@17451 | 175 FORCEMSG You can add --forced to proceed anyway. |
pascal@17451 | 176 EOT |
pascal@17451 | 177 done |
pascal@14150 | 178 rm -rf $DATA |
pascal@14150 | 179 exit ;; |
pascal@14150 | 180 --exe) |
pascal@14150 | 181 # --exe mvcom.bin x.com y.exe > xy.exe |
pascal@14150 | 182 cat $4 $3 > /tmp/exe$$ |
pascal@14150 | 183 S=$(stat -c %s /tmp/exe$$) |
pascal@14150 | 184 store 2 $(($S%512)) /tmp/exe$$ |
pascal@14150 | 185 store 4 $((($S+511)/512)) /tmp/exe$$ |
pascal@14150 | 186 store 14 -16 /tmp/exe$$ |
pascal@14150 | 187 store 16 -2 /tmp/exe$$ |
pascal@14150 | 188 store 20 256 /tmp/exe$$ |
pascal@14150 | 189 store 22 -16 /tmp/exe$$ |
pascal@14150 | 190 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc |
pascal@14150 | 191 store 65 $(stat -c %s $3) /tmp/exe$$ |
pascal@14150 | 192 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$ |
pascal@14150 | 193 cat /tmp/exe$$ |
pascal@14150 | 194 rm -f /tmp/exe$$ |
pascal@14150 | 195 exit ;; |
pascal@14150 | 196 esac |
pascal@14150 | 197 |
pascal@14150 | 198 main() |
pascal@14150 | 199 { |
pascal@14257 | 200 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty |
pascal@17451 | 201 case "${1/--/-}" in |
pascal@17451 | 202 -get) shift |
pascal@14150 | 203 uudecode | unlzma | tar xOf - $@ |
pascal@14150 | 204 exit ;; |
pascal@14150 | 205 *) cat > /dev/null |
pascal@14150 | 206 esac |
pascal@14150 | 207 |
pascal@17562 | 208 [ ! -s "$1" ] && |
pascal@17562 | 209 echo "usage: $0 image.iso [--undo|\"DOS help message\"]" 1>&2 && exit 1 |
pascal@17451 | 210 case "${2/--/-}" in |
pascal@17451 | 211 -u*|-r*|-w*) |
pascal@17451 | 212 case "$(get 0 $1)" in |
pascal@17451 | 213 23117) |
pascal@17451 | 214 ddq if=$1 bs=512 count=2 skip=$(get 69 $1 1) of=$1 conv=notrunc |
pascal@17451 | 215 ddq if=/dev/zero bs=1k seek=1 count=31 of=$1 conv=notrunc ;; |
pascal@17451 | 216 *) ddq if=/dev/zero bs=1k count=32 of=$1 conv=notrunc ;; |
pascal@17451 | 217 esac |
pascal@17451 | 218 exit 0 |
pascal@17451 | 219 esac |
pascal@14150 | 220 case "$(get 0 $1)" in |
pascal@14150 | 221 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;; |
pascal@17489 | 222 0) $0 --get isohdpfx.bin | ddq bs=512 count=1 of=$1 conv=notrunc |
pascal@14150 | 223 esac |
pascal@14150 | 224 |
pascal@14261 | 225 echo "Read hybrid & tazlito data..." |
pascal@14261 | 226 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$ |
pascal@14261 | 227 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$ |
pascal@14261 | 228 add_win32exe $1 /tmp/hybrid$$ |
pascal@17454 | 229 printf "Moving tazlito data record at %04X (512 bytes) ...\n" $OFS |
pascal@14261 | 230 ddq if=/tmp/tazlito$$ bs=1 count=512 of=$1 seek=$OFS conv=notrunc |
pascal@14261 | 231 rm -f /tmp/tazlito$$ /tmp/hybrid$$ |
pascal@17454 | 232 HOLE=$(($OFS+512)) |
pascal@14150 | 233 |
pascal@14150 | 234 # keep the largest room for the tazlito info file |
pascal@14261 | 235 add_dosexe $1 |
pascal@14150 | 236 add_rootfs $1 |
pascal@14150 | 237 add_doscom $1 |
pascal@14257 | 238 add_fdbootstrap $1 |
pascal@17454 | 239 printf "%d free bytes in %04X..%04X\n" $(($OFS-$HOLE)) $HOLE $OFS |
pascal@13972 | 240 store 26 ${RANDOM:-0} $1 |
pascal@17562 | 241 [ "$2" ] && echo "$2 " | \ |
pascal@17562 | 242 ddq bs=1 seek=$((0x7FDE)) count=15 conv=notrunc of=$1 |
pascal@17562 | 243 if [ $(stat -c %s $1) -gt 34816 ]; then |
pascal@17562 | 244 echo "Adding ISO image md5 at 7FF0 (16 bytes) ..." |
pascal@17562 | 245 echo -en "$(ddq if=$1 bs=2k skip=16 count=$(get 32848 $1) | \ |
pascal@17562 | 246 md5sum | cut -c-32 | sed 's/\(..\)/\\x\1/g')" | \ |
pascal@17562 | 247 ddq bs=16 seek=2047 conv=notrunc of=$1 |
pascal@17496 | 248 fi |
pascal@17496 | 249 echo -n "Adding boot checksum..." |
pascal@17491 | 250 store 64 $(od -v -j 66 -N 32702 -t u2 -w2 -An $1 | \ |
pascal@17491 | 251 awk '{ i+= $0 } END { print -(i % 65536) }') $1 |
pascal@17496 | 252 if [ $(stat -c %s $1) -gt 32768 ]; then |
pascal@17496 | 253 n=$(($(get 2 $1) - 1 + ($(get 4 $1) - 1)*512)) |
pascal@17496 | 254 n=$(($(od -v -N $n -t u2 -w2 -An $1 | \ |
pascal@17496 | 255 awk '{ i+= $0 } END { print (i % 65536) }') \ |
pascal@17496 | 256 + $(get $(($n+1)) $1 1))) |
pascal@17496 | 257 store 18 $(( (-$n -1) % 65536 )) $1 |
pascal@17496 | 258 fi |
pascal@13697 | 259 echo " done." |
pascal@13691 | 260 } |
pascal@13691 | 261 |
pascal@13691 | 262 main $@ <<EOT |