Finished off side, a little ditty that took an hour or two. It takes a filter arguement, and two file names. It then runs the two files through the filter (one at a time), and then displays the output of each beside each other. Therefore, the command:
./side "/home/mikal/opensource-stable/mi/i - < %s" ../shdns/sample-response ../shdns/shdns-response | lessTakes two DNS packets, and displays them after they have been pretty printed. The output looks like this:
/home/mikal/opensource-stable/mi/i - < ../shdns/sample-response | /home/mikal/opensource-stable/mi/i - < ../shdns/shdns-response
|
0 135 0x87 0207 | 0 135 0x87 0207
1 210 0xD2 0322 | 1 210 0xD2 0322
2 133 0x85 0205 | 2 10 0xA 012
3 128 0x80 0200 | 3 56 0x38 070 '8'
4 0 0x0 00 | 4 0 0x0 00
5 1 0x1 01 | 5 0 0x0 00
6 0 0x0 00 | 6 1 0x1 01
7 1 0x1 01 | 7 0 0x0 00
8 0 0x0 00 | 8 1 0x1 01
9 1 0x1 01 | 9 0 0x0 00
10 0 0x0 00 | 10 0 0x0 00
11 0 0x0 00 | 11 0 0x0 00
12 3 0x3 03 | 12 0 0x0 00
13 119 0x77 0167 'w' | 13 3 0x3 03
14 119 0x77 0167 'w' | 14 119 0x77 0167 'w'
15 119 0x77 0167 'w' | 15 119 0x77 0167 'w'
16 7 0x7 07 | 16 119 0x77 0167 'w'
17 115 0x73 0163 's' | 17 7 0x7 07
18 116 0x74 0164 't' | 18 115 0x73 0163 's'
19 105 0x69 0151 'i' | 19 116 0x74 0164 't'
20 108 0x6C 0154 'l' | 20 105 0x69 0151 'i'
21 108 0x6C 0154 'l' | 21 108 0x6C 0154 'l'
22 104 0x68 0150 'h' | 22 108 0x6C 0154 'l'
23 113 0x71 0161 'q' | 23 104 0x68 0150 'h'
24 3 0x3 03 | 24 113 0x71 0161 'q'
25 99 0x63 0143 'c' | 25 3 0x3 03
26 111 0x6F 0157 'o' | 26 99 0x63 0143 'c'
27 109 0x6D 0155 'm' | 27 111 0x6F 0157 'o'
28 0 0x0 00 | 28 109 0x6D 0155 'm'
29 0 0x0 00 | 29 1 0x1 01
30 1 0x1 01 | 30 3 0x3 03
31 0 0x0 00 | 31 119 0x77 0167 'w'
32 1 0x1 01 | 32 119 0x77 0167 'w'
33 192 0xC0 0300 | 33 119 0x77 0167 'w'
[snip]
It handles line wrapping and stuff like that, but it is not a visual diff. It might one day be, who knows?
You can get the code from here.
posted at: 22:00 | path: /side | permanent link to this entry
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