wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 17454

syslinux/iso2exe: create a vfat partition in usb bootkey (DOS case only)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Thu Dec 18 11:42:27 2014 +0100 (2014-12-18)
parents aca562aa836e
children 9a40226bee2e
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@14150 21 add_rootfs()
pascal@13691 22 {
pascal@13691 23 TMP=/tmp/iso2exe$$
pascal@13713 24 mkdir -p $TMP/bin $TMP/dev
pascal@13713 25 cp -a /dev/?d?* $TMP/dev
pascal@13691 26 $0 --get init > $TMP/init.exe
pascal@13974 27 grep -q mount.posixovl.iso2exe $TMP/init.exe &&
pascal@14266 28 cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \
pascal@17454 29 2> /dev/null && echo "Store mount.posixovl ($(wc -c \
pascal@17454 30 < /usr/sbin/mount.posixovl) bytes) ..."
pascal@17252 31 find $TMP -type f -print0 | xargs -0 chmod +x
pascal@13713 32 ( cd $TMP ; find * | cpio -o -H newc ) | \
pascal@13691 33 lzma e $TMP/rootfs.gz -si 2> /dev/null
pascal@13691 34 SIZE=$(wc -c < $TMP/rootfs.gz)
pascal@13972 35 store 24 $SIZE $1
pascal@14261 36 OFS=$(( $OFS - $SIZE ))
pascal@17454 37 printf "Adding rootfs.gz file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@13691 38 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13691 39 rm -rf $TMP
pascal@14150 40 }
pascal@14150 41
pascal@14261 42 add_dosexe()
pascal@14261 43 {
pascal@14261 44 OFS=$((0x7EE0))
pascal@17454 45 printf "Adding DOS/EXE at %04X (%d bytes) ...\n" $OFS $((0x8000 - $OFS))
pascal@14261 46 $0 --get bootiso.bin 2> /dev/null | \
pascal@14261 47 ddq bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc
pascal@14261 48 }
pascal@14261 49
pascal@14150 50 add_doscom()
pascal@14150 51 {
pascal@13972 52 SIZE=$($0 --get boot.com | wc -c)
pascal@13691 53 OFS=$(( $OFS - $SIZE ))
pascal@17454 54 printf "Adding DOS boot file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@13972 55 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13972 56 store 66 $(($OFS+0xC0)) $1
pascal@14150 57 }
pascal@14150 58
pascal@14150 59 add_win32exe()
pascal@14150 60 {
pascal@14261 61 ddq if=/tmp/exe$$ of=$1 conv=notrunc
pascal@13974 62 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@17454 63 printf "Adding WIN32 file at %04X (%d bytes) ...\n" 0 $SIZE
pascal@14261 64 ddq if=/tmp/exe$$ of=$1 conv=notrunc
pascal@14261 65 printf "Adding bootiso head at %04X...\n" 0
pascal@14261 66 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$
pascal@14261 67 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc
pascal@14266 68 store $((0x94)) $((0xE0 - 12*8)) $1
pascal@14266 69 store $((0xF4)) $((16 - 12)) $1
pascal@14267 70 ddq if=$1 of=/tmp/coff$$ bs=1 skip=$((0x178)) count=$((0x88))
pascal@14267 71 ddq if=/tmp/coff$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8))
pascal@14267 72 ddq if=/tmp/exe$$ of=$1 bs=1 count=30 seek=$((0x1A0)) skip=$((0x1A0)) conv=notrunc
pascal@14267 73 ddq if=$2 bs=1 skip=$((0x1BE)) seek=$((0x1BE)) count=66 of=$1 conv=notrunc
pascal@14261 74 store 69 $(($SIZE/512)) $1 8
pascal@14261 75 store 510 $((0xAA55)) $1
pascal@14267 76 rm -f /tmp/exe$$ /tmp/coff$$
pascal@17454 77 printf "Moving syslinux hybrid boot record at %04X (512 bytes) ...\n" $SIZE
pascal@14261 78 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc
pascal@14261 79 OFS=$(($SIZE+512))
pascal@14257 80 }
pascal@14257 81
pascal@14257 82 add_fdbootstrap()
pascal@14257 83 {
pascal@14268 84 SIZE=$($0 --get bootfd.bin 2> /dev/null | wc -c)
pascal@14257 85 if [ $SIZE -ne 0 ]; then
pascal@17454 86 SIZE=$(( $SIZE - 512 )) # sector 2 is data
pascal@17454 87 OFS=$(( $OFS - $SIZE ))
pascal@17454 88 printf "Adding floppy bootstrap file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@14268 89 $0 --get bootfd.bin | \
pascal@14268 90 ddq of=$1 bs=1 count=512 seek=$OFS conv=notrunc
pascal@14268 91 $0 --get bootfd.bin | \
pascal@14268 92 ddq of=$1 bs=1 skip=1024 seek=$((512 + $OFS)) conv=notrunc
pascal@17454 93 store 28 $(($SIZE/512)) $1 8
pascal@14257 94 fi
pascal@14150 95 }
pascal@14150 96 case "$1" in
pascal@14150 97 --build)
pascal@14150 98 shift
pascal@14261 99 ls -l $@
pascal@14150 100 cat >> $0 <<EOM
pascal@14150 101 $(tar cf - $@ | lzma e -si -so | uuencode -m -)
pascal@14150 102 EOT
pascal@14150 103 EOM
pascal@14150 104 sed -i '/^case/,/^esac/d' $0
pascal@14150 105 exit ;;
pascal@14150 106 --get)
pascal@14150 107 cat $2
pascal@14150 108 exit ;;
pascal@14150 109 --array)
pascal@14150 110 DATA=/tmp/dataiso$$
pascal@14150 111 ddq if=/dev/zero bs=32k count=1 of=$DATA
pascal@14261 112 add_win32exe $DATA $2 > /dev/null
pascal@14261 113 HSZ=$OFS
pascal@14261 114 add_dosexe $DATA > /dev/null
pascal@14150 115 add_rootfs $DATA > /dev/null
pascal@14150 116 add_doscom $DATA > /dev/null
pascal@14257 117 add_fdbootstrap $DATA > /dev/null
pascal@14257 118 name=${3:-bootiso}
pascal@17451 119 BOOTISOSZ=$((0x8000 - $OFS + $HSZ))
pascal@14150 120 cat <<EOT
pascal@14150 121
pascal@17451 122 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ
pascal@14150 123
pascal@14150 124 #ifdef WIN32
pascal@14257 125 static char $name[] = {
pascal@14261 126 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@14150 127 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17451 128 EOT
pascal@17451 129
pascal@17451 130 for mode in data offset ; do
pascal@17451 131 ofs=0
pascal@17451 132 while read tag str; do
pascal@17451 133 if [ "$mode" == "data" ]; then
pascal@17451 134 echo -en "$str\0" | hexdump -v -e '" " 16/1 "0x%02X, "' \
pascal@17451 135 -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' | \
pascal@17451 136 sed 's/ 0x ,/ /g'
pascal@17451 137 else
pascal@17451 138 if [ $ofs -eq 0 ]; then
pascal@17451 139 cat <<EOT
pascal@14150 140 };
pascal@17451 141 #else
pascal@17451 142 static char *$name;
pascal@14150 143 #endif
pascal@17451 144 #define ELTORITOOFS 3
pascal@14150 145 EOT
pascal@17451 146 fi
pascal@17451 147 echo "#define $tag $(($BOOTISOSZ+$ofs))"
pascal@17451 148 ofs=$(($(echo -en "$str\0" | wc -c)+$ofs))
pascal@17451 149 fi
pascal@17451 150 done <<EOT
pascal@17451 151 READSECTORERR Read sector failure.
pascal@17451 152 USAGE Usage: isohybrid.exe file.iso [--forced]
pascal@17451 153 OPENERR Can't open r/w the iso file.
pascal@17451 154 ELTORITOERR No EL TORITO SPECIFICATION signature.
pascal@17451 155 CATALOGERR Invalid boot catalog.
pascal@17451 156 HYBRIDERR No isolinux.bin hybrid signature.
pascal@17451 157 SUCCESSMSG Now you can create a USB key with your .iso file.\\\\nSimply rename it to a .exe file and run it.
pascal@17451 158 FORCEMSG You can add --forced to proceed anyway.
pascal@17451 159 EOT
pascal@17451 160 done
pascal@14150 161 rm -rf $DATA
pascal@14150 162 exit ;;
pascal@14150 163 --exe)
pascal@14150 164 # --exe mvcom.bin x.com y.exe > xy.exe
pascal@14150 165 cat $4 $3 > /tmp/exe$$
pascal@14150 166 S=$(stat -c %s /tmp/exe$$)
pascal@14150 167 store 2 $(($S%512)) /tmp/exe$$
pascal@14150 168 store 4 $((($S+511)/512)) /tmp/exe$$
pascal@14150 169 store 14 -16 /tmp/exe$$
pascal@14150 170 store 16 -2 /tmp/exe$$
pascal@14150 171 store 20 256 /tmp/exe$$
pascal@14150 172 store 22 -16 /tmp/exe$$
pascal@14150 173 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
pascal@14150 174 store 65 $(stat -c %s $3) /tmp/exe$$
pascal@14150 175 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
pascal@14150 176 cat /tmp/exe$$
pascal@14150 177 rm -f /tmp/exe$$
pascal@14150 178 exit ;;
pascal@14150 179 esac
pascal@14150 180
pascal@14150 181 main()
pascal@14150 182 {
pascal@14257 183 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
pascal@17451 184 case "${1/--/-}" in
pascal@17451 185 -get) shift
pascal@14150 186 uudecode | unlzma | tar xOf - $@
pascal@14150 187 exit ;;
pascal@14150 188 *) cat > /dev/null
pascal@14150 189 esac
pascal@14150 190
pascal@17451 191 [ ! -s "$1" ] && echo "usage: $0 image.iso [--undo]" 1>&2 && exit 1
pascal@17451 192 case "${2/--/-}" in
pascal@17451 193 -u*|-r*|-w*)
pascal@17451 194 case "$(get 0 $1)" in
pascal@17451 195 23117)
pascal@17451 196 ddq if=$1 bs=512 count=2 skip=$(get 69 $1 1) of=$1 conv=notrunc
pascal@17451 197 ddq if=/dev/zero bs=1k seek=1 count=31 of=$1 conv=notrunc ;;
pascal@17451 198 *) ddq if=/dev/zero bs=1k count=32 of=$1 conv=notrunc ;;
pascal@17451 199 esac
pascal@17451 200 exit 0
pascal@17451 201 esac
pascal@14150 202 case "$(get 0 $1)" in
pascal@14150 203 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
pascal@14261 204 0) [ -x /usr/bin/isohybrid ] && isohybrid $1 && echo "Do isohybrid"
pascal@14150 205 esac
pascal@14150 206
pascal@14261 207 echo "Read hybrid & tazlito data..."
pascal@14261 208 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$
pascal@14261 209 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$
pascal@14261 210 add_win32exe $1 /tmp/hybrid$$
pascal@17454 211 printf "Moving tazlito data record at %04X (512 bytes) ...\n" $OFS
pascal@14261 212 ddq if=/tmp/tazlito$$ bs=1 count=512 of=$1 seek=$OFS conv=notrunc
pascal@14261 213 rm -f /tmp/tazlito$$ /tmp/hybrid$$
pascal@17454 214 HOLE=$(($OFS+512))
pascal@14150 215
pascal@14150 216 # keep the largest room for the tazlito info file
pascal@14261 217 add_dosexe $1
pascal@14150 218 add_rootfs $1
pascal@14150 219 add_doscom $1
pascal@14257 220 add_fdbootstrap $1
pascal@17454 221 printf "%d free bytes in %04X..%04X\n" $(($OFS-$HOLE)) $HOLE $OFS
pascal@13972 222 store 26 ${RANDOM:-0} $1
pascal@13974 223 i=66
pascal@13697 224 n=0
pascal@13697 225 echo -n "Adding checksum..."
pascal@13697 226 while [ $i -lt 32768 ]; do
pascal@13972 227 n=$(($n + $(get $i $1) ))
pascal@13697 228 i=$(($i + 2))
pascal@13697 229 done
pascal@13972 230 store 64 -$n $1
pascal@13697 231 echo " done."
pascal@13691 232 }
pascal@13691 233
pascal@13691 234 main $@ <<EOT