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