blob: c77b3b2b5234695061cf423d9435805d21512107 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#!/bin/sh
#
# Recipes for making badlen-* family of archives.
#
# Every one is based on a version of foo, with binary editing using
# bvi (or similar) and cut-n-paste with dd.
tmp=/var/tmp/$$
trap "rm -f $tmp.*; exit 0" 0 1 2 3 15
# Set up for a new badlen-X archive
#
X=0
while true
do
[ ! -f badlen-$X.index ] && break
X=`expr $X + 1`
if [ $X -eq 100 ]
then
echo "Botch: all archives badlen-0...badlen-99 already exist?"
exit 1
fi
done
if [ $X -eq 0 ]
then
cp foo.0 badlen-0.0
cp foo.meta badlen-0.meta
cp foo.index badlen-0.index
X=1
fi
ln badlen-0.meta badlen-$X.meta
ln badlen-0.index badlen-$X.index
case $X
in
1) # Trailer len of first pmResult smaller than header len.
cp foo.0 badlen-$X.0
echo '263s\\.\\80\\' >$tmp.ex
;;
2) # Data file truncated just before first trailer record ... 132
# bytes for label and 128 (4 bytes short) for first data record.
dd if=badlen-0.0 of=badlen-$X.0 bs=1 count=260
;;
3) # Data file truncated mid way thru first pmResult ... 132 bytes for
# label and 120 (12 bytes short) for first partial data record.
dd if=badlen-0.0 of=badlen-$X.0 bs=1 count=252
;;
4) # Empty data file
echo >badlen-$X.0
;;
5) # Short label record (42 bytes, not 132)
dd if=badlen-0.0 of=badlen-$X.0 bs=1 count=42
;;
6) # Label header len 64 not 132 as expected
cp foo.0 badlen-$X.0
echo '3s\\.\\40\\' >$tmp.ex
;;
7) # Label trailer len 64 not 132 as expected
cp foo.0 badlen-$X.0
echo '131s\\.\\40\\' >$tmp.ex
;;
8) # Label bad PM_LOG_VER
cp foo.0 badlen-$X.0
echo '7s\\.\\FF\\' >$tmp.ex
;;
9) # Truncated metadata file
cp foo.0 badlen-$X.0
cp foo.index badlen-$X.index
rm -f badlen-$X.meta
dd if=foo.meta of=badlen-$X.meta bs=1 count=840
;;
10) # Data file truncated in trailer of label record
dd if=badlen-0.0 of=badlen-$X.0 bs=1 count=131
;;
11) # Data file truncated in header of first pmResult
dd if=badlen-0.0 of=badlen-$X.0 bs=1 count=133
;;
esac
if [ -f $tmp.ex ]
then
echo 'w' >>$tmp.ex
echo 'q' >>$tmp.ex
if which bvi >/dev/null 2>&1
then
bvi -f $tmp.ex badlen-$X.0
else
echo "bvi not installed"
echo "Need to apply the equivalent of this binary editing to badlen-$X.0"
cat $tmp.ex
fi
fi
echo "badlen-$X created."
exit
|
