wok-next view syslinux/stuff/iso2exe/iso2exe.sh @ rev 14266

syslinux/iso2exe: add partition table
author Pascal Bellard <pascal.bellard@slitaz.org>
date Mon Apr 01 17:47:04 2013 +0200 (2013-04-01)
parents 5ed4d6b2d690
children ada914860f33
line source
1 #!/bin/sh
2
3 ddq()
4 {
5 dd $@ 2> /dev/null
6 }
7
8 store()
9 {
10 n=$2; for i in $(seq 8 8 ${4:-16}); do
11 printf '\\\\x%02X' $(($n & 255))
12 n=$(($n >> 8))
13 done | xargs echo -en | ddq bs=1 conv=notrunc of=$3 seek=$(($1))
14 }
15
16 get()
17 {
18 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An $2)
19 }
20
21 add_rootfs()
22 {
23 TMP=/tmp/iso2exe$$
24 mkdir -p $TMP/bin $TMP/dev
25 cp -a /dev/?d?* $TMP/dev
26 $0 --get init > $TMP/init.exe
27 grep -q mount.posixovl.iso2exe $TMP/init.exe &&
28 cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \
29 2> /dev/null && echo "Store mount.posixovl..."
30 find $TMP -type f | xargs chmod +x
31 ( cd $TMP ; find * | cpio -o -H newc ) | \
32 lzma e $TMP/rootfs.gz -si 2> /dev/null
33 SIZE=$(wc -c < $TMP/rootfs.gz)
34 store 24 $SIZE $1
35 OFS=$(( $OFS - $SIZE ))
36 printf "Adding rootfs.gz file at %04X...\n" $OFS
37 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
38 rm -rf $TMP
39 }
40
41 add_dosexe()
42 {
43 OFS=$((0x7EE0))
44 printf "Adding DOS/EXE at %04X...\n" $OFS
45 $0 --get bootiso.bin 2> /dev/null | \
46 ddq bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc
47 }
48
49 add_doscom()
50 {
51 SIZE=$($0 --get boot.com | wc -c)
52 OFS=$(( $OFS - $SIZE ))
53 printf "Adding DOS boot file at %04X...\n" $OFS
54 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
55 store 66 $(($OFS+0xC0)) $1
56 }
57
58 add_win32exe()
59 {
60 printf "Adding WIN32 file at %04X...\n" 0
61 ddq if=/tmp/exe$$ of=$1 conv=notrunc
62 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
63 ddq if=/tmp/exe$$ of=$1 conv=notrunc
64 printf "Adding bootiso head at %04X...\n" 0
65 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$
66 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc
67 store $((0x94)) $((0xE0 - 12*8)) $1
68 store $((0xF4)) $((16 - 12)) $1
69 ddq if=$1 of=/tmp/exe$$ bs=1 skip=$((0x178)) count=$((0x88))
70 ddq if=/tmp/exe$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8))
71 ddq if=$2 bs=1 skip=$((0x1B8)) seek=$((0x1B8)) count=72 of=$1 conv=notrunc
72 store 69 $(($SIZE/512)) $1 8
73 store 510 $((0xAA55)) $1
74 rm -f /tmp/exe$$
75 printf "Moving syslinux hybrid boot record at %04X ...\n" $SIZE
76 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc
77 OFS=$(($SIZE+512))
78 }
79
80 add_fdbootstrap()
81 {
82 SIZE=$($0 --get bootfd.bin 2> /dev/null | tee /tmp/exe$$ | wc -c)
83 if [ $SIZE -ne 0 ]; then
84 OFS=$(( $OFS - $SIZE ))
85 printf "Adding floppy bootstrap file at %04X...\n" $OFS
86 $0 --get bootfd.bin | ddq of=$1 bs=1 seek=$OFS conv=notrunc
87 store 28 $(($SIZE/512)) $1 8
88 fi
89 }
90 case "$1" in
91 --build)
92 shift
93 ls -l $@
94 cat >> $0 <<EOM
95 $(tar cf - $@ | lzma e -si -so | uuencode -m -)
96 EOT
97 EOM
98 sed -i '/^case/,/^esac/d' $0
99 exit ;;
100 --get)
101 cat $2
102 exit ;;
103 --array)
104 DATA=/tmp/dataiso$$
105 ddq if=/dev/zero bs=32k count=1 of=$DATA
106 add_win32exe $DATA $2 > /dev/null
107 HSZ=$OFS
108 add_dosexe $DATA > /dev/null
109 add_rootfs $DATA > /dev/null
110 add_doscom $DATA > /dev/null
111 add_fdbootstrap $DATA > /dev/null
112 name=${3:-bootiso}
113 cat <<EOT
114
115 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $((0x8000 - $OFS + $HSZ))
116
117 #ifdef WIN32
118 static char $name[] = {
119 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
120 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
121 };
122 #endif
123 EOT
124 rm -rf $DATA
125 exit ;;
126 --exe)
127 # --exe mvcom.bin x.com y.exe > xy.exe
128 cat $4 $3 > /tmp/exe$$
129 S=$(stat -c %s /tmp/exe$$)
130 store 2 $(($S%512)) /tmp/exe$$
131 store 4 $((($S+511)/512)) /tmp/exe$$
132 store 14 -16 /tmp/exe$$
133 store 16 -2 /tmp/exe$$
134 store 20 256 /tmp/exe$$
135 store 22 -16 /tmp/exe$$
136 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
137 store 65 $(stat -c %s $3) /tmp/exe$$
138 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
139 cat /tmp/exe$$
140 rm -f /tmp/exe$$
141 exit ;;
142 esac
143
144 main()
145 {
146 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
147 case "$1" in
148 --get) shift
149 uudecode | unlzma | tar xOf - $@
150 exit ;;
151 *) cat > /dev/null
152 esac
153
154 [ ! -s "$1" ] && echo "usage: $0 image.iso" 1>&2 && exit 1
155 case "$(get 0 $1)" in
156 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
157 0) [ -x /usr/bin/isohybrid ] && isohybrid $1 && echo "Do isohybrid"
158 esac
159
160 echo "Read hybrid & tazlito data..."
161 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$
162 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$
163 add_win32exe $1 /tmp/hybrid$$
164 printf "Moving tazlito data record at %04X ...\n" $OFS
165 ddq if=/tmp/tazlito$$ bs=1 count=512 of=$1 seek=$OFS conv=notrunc
166 rm -f /tmp/tazlito$$ /tmp/hybrid$$
167
168 # keep the largest room for the tazlito info file
169 add_dosexe $1
170 add_rootfs $1
171 add_doscom $1
172 add_fdbootstrap $1
173 store 26 ${RANDOM:-0} $1
174 i=66
175 n=0
176 echo -n "Adding checksum..."
177 while [ $i -lt 32768 ]; do
178 n=$(($n + $(get $i $1) ))
179 i=$(($i + 2))
180 done
181 store 64 -$n $1
182 echo " done."
183 }
184
185 main $@ <<EOT