91 lines
1.7 KiB
Text
91 lines
1.7 KiB
Text
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Index: arpwatch/arp2ethers
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diff -u arpwatch/arp2ethers:1.1.1.1 arpwatch/arp2ethers:1.1.1.1.14.1
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--- arpwatch/arp2ethers:1.1.1.1 Tue Apr 17 13:31:36 2001
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+++ arpwatch/arp2ethers Tue Apr 17 13:56:38 2001
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@@ -1,5 +1,5 @@
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-#!/bin/csh -f
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-# @(#) $Id$ (LBL)
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+#!/bin/sh
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+# @(#) $Header$ (LBL)
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#
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# Convert arp.dat to ethers format
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#
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@@ -12,12 +12,74 @@
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# - append "-old", "-old1", etc. as necessary
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# - sort
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#
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+# 1999-04-12 KELEMEN Peter <fuji@debian.org>
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+# Use sh(1) instead of csh(1).
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+#
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+# 2000-03-21 Erik Warmelink <erik@selwerd.nl>
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+# Use next instead of continue in included p.awk.
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sort +2rn arp.dat | \
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awk 'NF == 4 { print }' | \
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- awk -f p.awk | \
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+# 1999-04-12 KELEMEN Peter <fuji@debian.org>
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+# awk -f p.awk | \
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+ awk '
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+# Only print the first ethernet address seen
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+
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+{
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+ e = $1
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+ if (seen[e])
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+ next
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+ seen[e] = 1
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+ print $0
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+}
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+ ' | \
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egrep -v '\.[0-9][0-9]*$' | \
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sed -e 's/ .* / /' | \
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- awk -f d.awk | \
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- awk -f e.awk | \
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+# 1999-04-12 KELEMEN Peter <fuji@debian.org>
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+# awk -f d.awk | \
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+ awk '
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+# DECnet hacking
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+
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+BEGIN {
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+ n = 0
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+ sdecnet = "aa:0:4:"
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+ ldecnet = length(sdecnet)
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+}
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+
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+{
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+ ++n
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+ e[n] = $1
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+ h[n] = $2
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+ if (sdecnet == substr($1, 1, ldecnet))
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+ decnet[$2] = 1
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+}
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+
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+END {
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+ for (i = 1; i <= n; ++i) {
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+ if (decnet[h[i]] && sdecnet != substr(e[i], 1, ldecnet))
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+ h[i] = h[i] "-ip"
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+ print e[i] "\t" h[i]
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+ }
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+}
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+ ' | \
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+# 1999-04-12 KELEMEN Peter <fuji@debian.org>
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+# awk -f e.awk | \
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+ awk '
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+# Add -old suffix to ethers file, as required. Assumed sorted input
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+
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+{
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+ if (!seen[$2]) {
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+ seen[$2] = 1
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+ print
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+ next
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+ }
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+ h = $2 "-old"
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+ s = h
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+ for (n = 1; seen[h]; ++n)
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+ h = s n
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+ seen[h] = 1
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+ print $1 "\t" h
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+ next
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+}
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+ ' | \
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sort
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