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#! /bin/sh
# implements secret censoring for barf
# Copyright (C) 1999 Henry Spencer.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# RCSID $Id: _secretcensor.in,v 1.1 2004/03/15 20:35:27 as Exp $
usage="Usage: $0 [file ...]"
me="ipsec _secretcensor"
for dummy
do
case "$1" in
--help) echo "$usage" ; exit 0 ;;
--version) echo "$me $IPSEC_VERSION" ; exit 0 ;;
--) shift ; break ;;
-*) echo "$0: unknown option \`$1'" >&2 ; exit 2 ;;
*) break ;;
esac
shift
done
awk ' function cool(hot, q, cooled, run) {
# warning: may destroy input line!
q = "'"'"'" # single quote
if (hot ~ q)
return "[cannot be summed]"
if (hot ~ /^0s/)
return "[keyid " substr(hot, 3, 9) "]"
run = "echo " q hot q " | md5sum"
run | getline
close(run)
return "[sums to " substr($1, 1, 4) "...]"
}
/"/ {
i = match($0, /"[^"]+"/)
cold1 = substr($0, 1, i)
cold2 = substr($0, i+RLENGTH-1)
hot = substr($0, i+1, RLENGTH-2)
print cold1 cool(hot) cold2
next
}
/#pubkey=/ {
i = match($0, /^.*#pubkey=/)
i += RLENGTH-1
cold = substr($0, 1, i)
hot = substr($0, i+1)
print cold cool(hot)
next
}
/#IN KEY / {
i = match($0, /^.*[ \t][^ \t]/)
i += RLENGTH-2
cold = substr($0, 1, i)
hot = substr($0, i+1)
print cold cool("0s" hot)
next
}
/^[ \t]+(Modulus|P[a-z]+Exponent|Prime[12]|Exponent[12]|Coefficient):/ {
i = match($0, /^[^:]*:[ \t]*/)
i += RLENGTH-1
cold = substr($0, 1, i)
print cold "[...]"
next
}
{ print }' $*
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