wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 17451

syslinux/iso2exe: add --undo
author Pascal Bellard <pascal.bellard@slitaz.org>
date Wed Dec 17 12:25:20 2014 +0100 (2014-12-17)
parents 589a225cacc7
children aa3f469a31d7
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$$
pascal@13713 24 mkdir -p $TMP/bin $TMP/dev
pascal@13713 25 cp -a /dev/?d?* $TMP/dev
pascal@13691 26 $0 --get init > $TMP/init.exe
pascal@13974 27 grep -q mount.posixovl.iso2exe $TMP/init.exe &&
pascal@14266 28 cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \
pascal@14266 29 2> /dev/null && echo "Store mount.posixovl..."
pascal@17252 30 find $TMP -type f -print0 | xargs -0 chmod +x
pascal@13713 31 ( cd $TMP ; find * | cpio -o -H newc ) | \
pascal@13691 32 lzma e $TMP/rootfs.gz -si 2> /dev/null
pascal@13691 33 SIZE=$(wc -c < $TMP/rootfs.gz)
pascal@13972 34 store 24 $SIZE $1
pascal@14261 35 OFS=$(( $OFS - $SIZE ))
paul@13692 36 printf "Adding rootfs.gz file at %04X...\n" $OFS
pascal@13691 37 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13691 38 rm -rf $TMP
pascal@14150 39 }
pascal@14150 40
pascal@14261 41 add_dosexe()
pascal@14261 42 {
pascal@14261 43 OFS=$((0x7EE0))
pascal@14261 44 printf "Adding DOS/EXE at %04X...\n" $OFS
pascal@14261 45 $0 --get bootiso.bin 2> /dev/null | \
pascal@14261 46 ddq bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc
pascal@14261 47 }
pascal@14261 48
pascal@14150 49 add_doscom()
pascal@14150 50 {
pascal@13972 51 SIZE=$($0 --get boot.com | wc -c)
pascal@13691 52 OFS=$(( $OFS - $SIZE ))
paul@13692 53 printf "Adding DOS boot file at %04X...\n" $OFS
pascal@13972 54 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13972 55 store 66 $(($OFS+0xC0)) $1
pascal@14150 56 }
pascal@14150 57
pascal@14150 58 add_win32exe()
pascal@14150 59 {
pascal@14261 60 printf "Adding WIN32 file at %04X...\n" 0
pascal@14261 61 ddq if=/tmp/exe$$ of=$1 conv=notrunc
pascal@13974 62 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@14261 63 ddq if=/tmp/exe$$ of=$1 conv=notrunc
pascal@14261 64 printf "Adding bootiso head at %04X...\n" 0
pascal@14261 65 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$
pascal@14261 66 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc
pascal@14266 67 store $((0x94)) $((0xE0 - 12*8)) $1
pascal@14266 68 store $((0xF4)) $((16 - 12)) $1
pascal@14267 69 ddq if=$1 of=/tmp/coff$$ bs=1 skip=$((0x178)) count=$((0x88))
pascal@14267 70 ddq if=/tmp/coff$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8))
pascal@14267 71 ddq if=/tmp/exe$$ of=$1 bs=1 count=30 seek=$((0x1A0)) skip=$((0x1A0)) conv=notrunc
pascal@14267 72 ddq if=$2 bs=1 skip=$((0x1BE)) seek=$((0x1BE)) count=66 of=$1 conv=notrunc
pascal@14261 73 store 69 $(($SIZE/512)) $1 8
pascal@14261 74 store 510 $((0xAA55)) $1
pascal@14267 75 rm -f /tmp/exe$$ /tmp/coff$$
pascal@14261 76 printf "Moving syslinux hybrid boot record at %04X ...\n" $SIZE
pascal@14261 77 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc
pascal@14261 78 OFS=$(($SIZE+512))
pascal@14257 79 }
pascal@14257 80
pascal@14257 81 add_fdbootstrap()
pascal@14257 82 {
pascal@14268 83 SIZE=$($0 --get bootfd.bin 2> /dev/null | wc -c)
pascal@14257 84 if [ $SIZE -ne 0 ]; then
pascal@14268 85 OFS=$(( $OFS - $SIZE + 512 ))
pascal@14257 86 printf "Adding floppy bootstrap file at %04X...\n" $OFS
pascal@14268 87 $0 --get bootfd.bin | \
pascal@14268 88 ddq of=$1 bs=1 count=512 seek=$OFS conv=notrunc
pascal@14268 89 $0 --get bootfd.bin | \
pascal@14268 90 ddq of=$1 bs=1 skip=1024 seek=$((512 + $OFS)) conv=notrunc
pascal@14268 91 store 28 $(($SIZE/512 - 1)) $1 8
pascal@14257 92 fi
pascal@14150 93 }
pascal@14150 94 case "$1" in
pascal@14150 95 --build)
pascal@14150 96 shift
pascal@14261 97 ls -l $@
pascal@14150 98 cat >> $0 <<EOM
pascal@14150 99 $(tar cf - $@ | lzma e -si -so | uuencode -m -)
pascal@14150 100 EOT
pascal@14150 101 EOM
pascal@14150 102 sed -i '/^case/,/^esac/d' $0
pascal@14150 103 exit ;;
pascal@14150 104 --get)
pascal@14150 105 cat $2
pascal@14150 106 exit ;;
pascal@14150 107 --array)
pascal@14150 108 DATA=/tmp/dataiso$$
pascal@14150 109 ddq if=/dev/zero bs=32k count=1 of=$DATA
pascal@14261 110 add_win32exe $DATA $2 > /dev/null
pascal@14261 111 HSZ=$OFS
pascal@14261 112 add_dosexe $DATA > /dev/null
pascal@14150 113 add_rootfs $DATA > /dev/null
pascal@14150 114 add_doscom $DATA > /dev/null
pascal@14257 115 add_fdbootstrap $DATA > /dev/null
pascal@14257 116 name=${3:-bootiso}
pascal@17451 117 BOOTISOSZ=$((0x8000 - $OFS + $HSZ))
pascal@14150 118 cat <<EOT
pascal@14150 119
pascal@17451 120 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ
pascal@14150 121
pascal@14150 122 #ifdef WIN32
pascal@14257 123 static char $name[] = {
pascal@14261 124 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@14150 125 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17451 126 EOT
pascal@17451 127
pascal@17451 128 for mode in data offset ; do
pascal@17451 129 ofs=0
pascal@17451 130 while read tag str; do
pascal@17451 131 if [ "$mode" == "data" ]; then
pascal@17451 132 echo -en "$str\0" | hexdump -v -e '" " 16/1 "0x%02X, "' \
pascal@17451 133 -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' | \
pascal@17451 134 sed 's/ 0x ,/ /g'
pascal@17451 135 else
pascal@17451 136 if [ $ofs -eq 0 ]; then
pascal@17451 137 cat <<EOT
pascal@14150 138 };
pascal@17451 139 #else
pascal@17451 140 static char *$name;
pascal@14150 141 #endif
pascal@17451 142 #define ELTORITOOFS 3
pascal@14150 143 EOT
pascal@17451 144 fi
pascal@17451 145 echo "#define $tag $(($BOOTISOSZ+$ofs))"
pascal@17451 146 ofs=$(($(echo -en "$str\0" | wc -c)+$ofs))
pascal@17451 147 fi
pascal@17451 148 done <<EOT
pascal@17451 149 READSECTORERR Read sector failure.
pascal@17451 150 USAGE Usage: isohybrid.exe file.iso [--forced]
pascal@17451 151 OPENERR Can't open r/w the iso file.
pascal@17451 152 ELTORITOERR No EL TORITO SPECIFICATION signature.
pascal@17451 153 CATALOGERR Invalid boot catalog.
pascal@17451 154 HYBRIDERR No isolinux.bin hybrid signature.
pascal@17451 155 SUCCESSMSG Now you can create a USB key with your .iso file.\\\\nSimply rename it to a .exe file and run it.
pascal@17451 156 FORCEMSG You can add --forced to proceed anyway.
pascal@17451 157 EOT
pascal@17451 158 done
pascal@14150 159 rm -rf $DATA
pascal@14150 160 exit ;;
pascal@14150 161 --exe)
pascal@14150 162 # --exe mvcom.bin x.com y.exe > xy.exe
pascal@14150 163 cat $4 $3 > /tmp/exe$$
pascal@14150 164 S=$(stat -c %s /tmp/exe$$)
pascal@14150 165 store 2 $(($S%512)) /tmp/exe$$
pascal@14150 166 store 4 $((($S+511)/512)) /tmp/exe$$
pascal@14150 167 store 14 -16 /tmp/exe$$
pascal@14150 168 store 16 -2 /tmp/exe$$
pascal@14150 169 store 20 256 /tmp/exe$$
pascal@14150 170 store 22 -16 /tmp/exe$$
pascal@14150 171 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
pascal@14150 172 store 65 $(stat -c %s $3) /tmp/exe$$
pascal@14150 173 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
pascal@14150 174 cat /tmp/exe$$
pascal@14150 175 rm -f /tmp/exe$$
pascal@14150 176 exit ;;
pascal@14150 177 esac
pascal@14150 178
pascal@14150 179 main()
pascal@14150 180 {
pascal@14257 181 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
pascal@17451 182 case "${1/--/-}" in
pascal@17451 183 -get) shift
pascal@14150 184 uudecode | unlzma | tar xOf - $@
pascal@14150 185 exit ;;
pascal@14150 186 *) cat > /dev/null
pascal@14150 187 esac
pascal@14150 188
pascal@17451 189 [ ! -s "$1" ] && echo "usage: $0 image.iso [--undo]" 1>&2 && exit 1
pascal@17451 190 case "${2/--/-}" in
pascal@17451 191 -u*|-r*|-w*)
pascal@17451 192 case "$(get 0 $1)" in
pascal@17451 193 23117)
pascal@17451 194 ddq if=$1 bs=512 count=2 skip=$(get 69 $1 1) of=$1 conv=notrunc
pascal@17451 195 ddq if=/dev/zero bs=1k seek=1 count=31 of=$1 conv=notrunc ;;
pascal@17451 196 *) ddq if=/dev/zero bs=1k count=32 of=$1 conv=notrunc ;;
pascal@17451 197 esac
pascal@17451 198 exit 0
pascal@17451 199 esac
pascal@14150 200 case "$(get 0 $1)" in
pascal@14150 201 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
pascal@14261 202 0) [ -x /usr/bin/isohybrid ] && isohybrid $1 && echo "Do isohybrid"
pascal@14150 203 esac
pascal@14150 204
pascal@14261 205 echo "Read hybrid & tazlito data..."
pascal@14261 206 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$
pascal@14261 207 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$
pascal@14261 208 add_win32exe $1 /tmp/hybrid$$
pascal@14261 209 printf "Moving tazlito data record at %04X ...\n" $OFS
pascal@14261 210 ddq if=/tmp/tazlito$$ bs=1 count=512 of=$1 seek=$OFS conv=notrunc
pascal@14261 211 rm -f /tmp/tazlito$$ /tmp/hybrid$$
pascal@14150 212
pascal@14150 213 # keep the largest room for the tazlito info file
pascal@14261 214 add_dosexe $1
pascal@14150 215 add_rootfs $1
pascal@14150 216 add_doscom $1
pascal@14257 217 add_fdbootstrap $1
pascal@13972 218 store 26 ${RANDOM:-0} $1
pascal@13974 219 i=66
pascal@13697 220 n=0
pascal@13697 221 echo -n "Adding checksum..."
pascal@13697 222 while [ $i -lt 32768 ]; do
pascal@13972 223 n=$(($n + $(get $i $1) ))
pascal@13697 224 i=$(($i + 2))
pascal@13697 225 done
pascal@13972 226 store 64 -$n $1
pascal@13697 227 echo " done."
pascal@13691 228 }
pascal@13691 229
pascal@13691 230 main $@ <<EOT