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Commit | Line | Data |
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6644c1c7 MT |
1 | From 47b9ac59c715827252ae6e6732903c3dabb697fb Mon Sep 17 00:00:00 2001 |
2 | From: Joachim Zobel <jz-2014@heute-morgen.de> | |
3 | Date: Mon, 23 Feb 2015 21:38:11 +0000 | |
d54a2ce4 | 4 | Subject: [PATCH 53/78] Log parsing utils in contrib/reverse-dns |
6644c1c7 MT |
5 | |
6 | --- | |
7 | contrib/reverse-dns/README | 18 ++++++++++++++++++ | |
6644c1c7 | 8 | contrib/reverse-dns/reverse_replace.sh | 28 ++++++++++++++++++++++++++++ |
c6ce1e7e | 9 | 2 files changed, 46 insertions(+) |
6644c1c7 | 10 | create mode 100644 contrib/reverse-dns/README |
6644c1c7 MT |
11 | create mode 100644 contrib/reverse-dns/reverse_replace.sh |
12 | ||
13 | diff --git a/contrib/reverse-dns/README b/contrib/reverse-dns/README | |
14 | new file mode 100644 | |
15 | index 000000000000..f87eb77c4c22 | |
16 | --- /dev/null | |
17 | +++ b/contrib/reverse-dns/README | |
18 | @@ -0,0 +1,18 @@ | |
19 | +Hi.\r | |
20 | +\r | |
21 | +To translate my routers netstat-nat output into names that actually talk\r | |
22 | +to me I have started writing to simple shell scripts. They require \r | |
23 | +\r | |
24 | +log-queries\r | |
25 | +log-facility=/var/log/dnsmasq.log\r | |
26 | +\r | |
27 | +to be set. With\r | |
28 | +\r | |
29 | +netstat-nat -n -4 | reverse_replace.sh \r | |
30 | +\r | |
31 | +I get retranslated output.\r | |
32 | +\r | |
33 | +Sincerely,\r | |
34 | +Joachim\r | |
35 | +\r | |
36 | +\r | |
6644c1c7 MT |
37 | diff --git a/contrib/reverse-dns/reverse_replace.sh b/contrib/reverse-dns/reverse_replace.sh |
38 | new file mode 100644 | |
39 | index 000000000000..a11c164b7f19 | |
40 | --- /dev/null | |
41 | +++ b/contrib/reverse-dns/reverse_replace.sh | |
42 | @@ -0,0 +1,28 @@ | |
43 | +#!/bin/bash | |
44 | +# $Id: reverse_replace.sh 4 2015-02-17 20:14:59Z jo $ | |
45 | +# | |
46 | +# Usage e.g.: netstat -n -4 | reverse_replace.sh | |
47 | +# Parses stdin for IP4 addresses and replaces them | |
48 | +# with names retrieved by reverse_dns.sh | |
49 | +# | |
50 | + | |
51 | +DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ) | |
52 | +DNS=$DIR/reverse_dns.sh | |
53 | + | |
54 | +# sed regex | |
55 | +IP_regex='[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | |
56 | + | |
57 | +while read LINE; do | |
58 | + if grep --quiet $IP_regex <<< "$LINE"; then | |
59 | + IPs=`sed "s#.*\b\($IP_regex\)\b.*#\1 #g" <<< "$LINE"` | |
60 | + IPs=($IPs) | |
61 | + for IP in "${IPs[@]}" | |
62 | + do | |
63 | + NAME=`$DNS $IP` | |
64 | + # echo "$NAME is $IP"; | |
65 | + LINE="${LINE/$IP/$NAME}" | |
66 | + done | |
67 | + fi | |
68 | + echo $LINE | |
69 | +done < /dev/stdin | |
70 | + | |
71 | -- | |
72 | 2.1.0 | |
73 |