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1#!/bin/sh
2#
3# Copyright The Mbed TLS Contributors
4# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
5#
6# This file is provided under the Apache License 2.0, or the
7# GNU General Public License v2.0 or later.
8#
9# **********
10# Apache License 2.0:
11#
12# Licensed under the Apache License, Version 2.0 (the "License"); you may
13# not use this file except in compliance with the License.
14# You may obtain a copy of the License at
15#
16# http://www.apache.org/licenses/LICENSE-2.0
17#
18# Unless required by applicable law or agreed to in writing, software
19# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
20# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21# See the License for the specific language governing permissions and
22# limitations under the License.
23#
24# **********
25#
26# **********
27# GNU General Public License v2.0 or later:
28#
29# This program is free software; you can redistribute it and/or modify
30# it under the terms of the GNU General Public License as published by
31# the Free Software Foundation; either version 2 of the License, or
32# (at your option) any later version.
33#
34# This program is distributed in the hope that it will be useful,
35# but WITHOUT ANY WARRANTY; without even the implied warranty of
36# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37# GNU General Public License for more details.
38#
39# You should have received a copy of the GNU General Public License along
40# with this program; if not, write to the Free Software Foundation, Inc.,
41# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
42#
43# **********
44
45set -eu
46
47if [ $# -ne 0 ] && [ "$1" = "--help" ]; then
48    cat <<EOF
49$0 [-v]
50This script confirms that the naming of all symbols and identifiers in mbed
51TLS are consistent with the house style and are also self-consistent.
52
53  -v    If the script fails unexpectedly, print a command trace.
54EOF
55    exit
56fi
57
58if grep --version|head -n1|grep GNU >/dev/null; then :; else
59    echo "This script requires GNU grep.">&2
60    exit 1
61fi
62
63trace=
64if [ $# -ne 0 ] && [ "$1" = "-v" ]; then
65  shift
66  trace='-x'
67  exec 2>check-names.err
68  trap 'echo "FAILED UNEXPECTEDLY, status=$?";
69        cat check-names.err' EXIT
70  set -x
71fi
72
73printf "Analysing source code...\n"
74
75sh $trace tests/scripts/list-macros.sh
76tests/scripts/list-enum-consts.pl
77sh $trace tests/scripts/list-identifiers.sh
78sh $trace tests/scripts/list-symbols.sh
79
80FAIL=0
81
82printf "\nExported symbols declared in header: "
83UNDECLARED=$( diff exported-symbols identifiers | sed -n -e 's/^< //p' )
84if [ "x$UNDECLARED" = "x" ]; then
85    echo "PASS"
86else
87    echo "FAIL"
88    echo "$UNDECLARED"
89    FAIL=1
90fi
91
92diff macros identifiers | sed -n -e 's/< //p' > actual-macros
93
94for THING in actual-macros enum-consts; do
95    printf 'Names of %s: ' "$THING"
96    test -r $THING
97    BAD=$( grep -v '^MBEDTLS_[0-9A-Z_]*[0-9A-Z]$' $THING || true )
98    if [ "x$BAD" = "x" ]; then
99        echo "PASS"
100    else
101        echo "FAIL"
102        echo "$BAD"
103        FAIL=1
104    fi
105done
106
107for THING in identifiers; do
108    printf 'Names of %s: ' "$THING"
109    test -r $THING
110    BAD=$( grep -v '^mbedtls_[0-9a-z_]*[0-9a-z]$' $THING || true )
111    if [ "x$BAD" = "x" ]; then
112        echo "PASS"
113    else
114        echo "FAIL"
115        echo "$BAD"
116        FAIL=1
117    fi
118done
119
120printf "Likely typos: "
121sort -u actual-macros enum-consts > _caps
122HEADERS=$( ls include/mbedtls/*.h | egrep -v 'compat-1\.3\.h' )
123NL='
124'
125sed -n 's/MBED..._[A-Z0-9_]*/\'"$NL"'&\'"$NL"/gp \
126    $HEADERS library/*.c \
127    | grep MBEDTLS | sort -u > _MBEDTLS_XXX
128TYPOS=$( diff _caps _MBEDTLS_XXX | sed -n 's/^> //p' \
129            | egrep -v 'XXX|__|_$|^MBEDTLS_.*CONFIG_FILE$' || true )
130rm _MBEDTLS_XXX _caps
131if [ "x$TYPOS" = "x" ]; then
132    echo "PASS"
133else
134    echo "FAIL"
135    echo "$TYPOS"
136    FAIL=1
137fi
138
139if [ -n "$trace" ]; then
140  set +x
141  trap - EXIT
142  rm check-names.err
143fi
144
145printf "\nOverall: "
146if [ "$FAIL" -eq 0 ]; then
147    rm macros actual-macros enum-consts identifiers exported-symbols
148    echo "PASSED"
149    exit 0
150else
151    echo "FAILED"
152    exit 1
153fi
154