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#! /bin/sh
# implements nested file inclusion for control files, including wildcarding
# Copyright (C) 1998, 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: _include.in,v 1.2 2004/03/15 21:03:06 as Exp $
#
# Output includes marker lines for file changes:
# "#< filename lineno" signals entry into that file
# "#> filename lineno" signals return to that file
# The lineno is the line number of the *next* line.
#
# Errors are reported with a "#:message" line rather than on stderr.
#
# Lines which look like marker and report lines are never passed through.
IPSEC_NAME="strongSwan"
usage="Usage: $0 file ..."
me="ipsec _include"
for dummy
do
case "$1" in
--inband) ;; # back compatibility
--help) echo "$usage" ; exit 0 ;;
--version) echo "$me $IPSEC_VERSION" ; exit 0 ;;
--) shift ; break ;;
-*) echo "$0: unknown option \`$1'" >&2 ; exit 2 ;;
*) break ;;
esac
shift
done
case $# in
0) echo "$usage" >&2 ; exit 2 ;;
esac
for f
do
if test ! -r "$f"
then
if test ! "$f" = "/etc/ipsec.conf"
then
echo "#:cannot open configuration file \'$f\'"
if test "$f" = "/etc/ipsec.secrets"
then
echo "#:Your secrets file will be created when you start $IPSEC_NAME for the first time."
fi
exit 1
else
exit 1
fi
fi
done
awk 'BEGIN {
wasfile = ""
}
FNR == 1 {
print ""
print "#<", FILENAME, 1
lineno = 0
wasfile = FILENAME
}
{
lineno++
# lineno is now the number of this line
}
/^#[<>:]/ {
next
}
/^include[ \t]+/ {
orig = $0
sub(/[ \t]+#.*$/, "")
if (NF != 2) {
msg = "(" FILENAME ", line " lineno ")"
msg = msg " include syntax error in \"" orig "\""
print "#:" msg
exit 1
}
newfile = $2
if (newfile !~ /^\// && FILENAME ~ /\//) {
prefix = FILENAME
sub("[^/]+$", "", prefix)
newfile = prefix newfile
}
system("ipsec _include " newfile)
print ""
print "#>", FILENAME, lineno + 1
next
}
{ print }' $*
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