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#!/bin/bash
# A small script to run xmllint on the Diameter XML files (after doing some
# fixups to those files).
#
# Copyright 2016 Jeff Morriss <jeff.morriss.ws [AT] gmail.com>
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
# SPDX-License-Identifier: GPL-2.0-or-later
if ! type -p sed > /dev/null
then
echo "'sed' is needed to run $0." 1>&2
# Exit cleanly because we don't want pre-commit to fail just because
# someone doesn't have the tools...
exit 0
fi
if ! type -p xmllint > /dev/null
then
echo "'xmllint' is needed to run $0." 1>&2
# Exit cleanly because we don't want pre-commit to fail just because
# someone doesn't have the tools...
exit 0
fi
src_dir="$(dirname "$0")/.."
diameter_dir="$src_dir/resources/protocols/diameter"
# Ideally this would work regardless of our cwd
if [ ! -r "$diameter_dir/dictionary.xml" ]
then
echo "Couldn't find $diameter_dir/dictionary.xml" 1>&2
exit 1
fi
if [ ! -r "$diameter_dir/dictionary.dtd" ]
then
echo "Couldn't find $diameter_dir/dictionary.dtd" 1>&2
exit 1
fi
if ! tmpdir=$(mktemp -d); then
echo "Could not create temporary directory" >&2
exit 1
fi
trap 'rm -rf "$tmpdir"' EXIT
# First edit all the AVP names that start with "3GPP" to indicate "TGPP".
# XML doesn't allow ID's to start with a digit but:
# 1) We don't *really* care if it's valid XML
# 2) (but) we do want to use xmllint to find problems
# 3) (and) users see the AVP names. Showing them "TGPP" instead of "3GPP"
# is annoying enough to warrant this extra work.
# Declare and populate associative exceptions array
declare -A exceptions=(
["3GPP"]="TGPP"
["5QI"]="FiveQI"
)
# Loop through the exceptions, building the sed options
sedopts=
for e in ${!exceptions[@]}; do
sedopts="${sedopts}s/name=\"$e/name=\"${exceptions[$e]}/;"
done
# Delete the last character, i.e., the trailing semicolon
sedopts=${sedopts%?}
cp "$diameter_dir/dictionary.dtd" "$tmpdir" || exit 1
for f in "$diameter_dir"/*.xml
do
sed "${sedopts}" "$f" > "$tmpdir/${f##*/}" || exit 1
done
xmllint --noout --noent --postvalid "$tmpdir/dictionary.xml" &&
echo "Diameter dictionary is (mostly) valid XML."
#
# Editor modelines - https://www.wireshark.org/tools/modelines.html
#
# Local variables:
# c-basic-offset: 8
# tab-width: 8
# indent-tabs-mode: t
# End:
#
# vi: set shiftwidth=8 tabstop=8 noexpandtab:
# :indentSize=8:tabSize=8:noTabs=false:
#
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