mbedtls/tests/context-info.sh
David Brown 3bea9f61e6 Add a context-info.sh test for 0xFF chars
Add a non-regression test for ssl_context_info to ensure the base64
decoder doesn't stop processing when it encounters a 0xFF character.

Signed-off-by: David Brown <david.brown@linaro.org>
2020-10-20 13:35:21 -06:00

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#!/bin/sh
# context-info.sh
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This program is intended for testing the ssl_context_info program
#
set -eu
if ! cd "$(dirname "$0")"; then
exit 125
fi
# Variables
THIS_SCRIPT_NAME=$(basename "$0")
PROG_PATH="../programs/ssl/ssl_context_info"
OUT_FILE="ssl_context_info.log"
IN_DIR="data_files/base64"
USE_VALGRIND=0
T_COUNT=0
T_PASSED=0
T_FAILED=0
# Functions
print_usage() {
echo "Usage: $0 [options]"
printf " -h|--help\tPrint this help.\n"
printf " -m|--memcheck\tUse valgrind to check the memory.\n"
}
# Print test name <name>
print_name() {
printf "%s %.*s " "$1" $(( 71 - ${#1} )) \
"........................................................................"
}
# Print header to the test output file <test name> <file path> <test command>
print_header()
{
date="$(date)"
echo "******************************************************************" > $2
echo "* File created by: $THIS_SCRIPT_NAME" >> $2
echo "* Test name: $1" >> $2
echo "* Date: $date" >> $2
echo "* Command: $3" >> $2
echo "******************************************************************" >> $2
echo "" >> $2
}
# Print footer at the end of file <file path>
print_footer()
{
echo "" >> $1
echo "******************************************************************" >> $1
echo "* End command" >> $1
echo "******************************************************************" >> $1
echo "" >> $1
}
# Use the arguments of this script
get_options() {
while [ $# -gt 0 ]; do
case "$1" in
-h|--help)
print_usage
exit 0
;;
-m|--memcheck)
USE_VALGRIND=1
;;
*)
echo "Unknown argument: '$1'"
print_usage
exit 1
;;
esac
shift
done
}
# Current test failed
fail()
{
T_FAILED=$(( $T_FAILED + 1))
FAIL_OUT="Fail.$T_FAILED""_$OUT_FILE"
echo "FAIL"
echo " Error: $1"
cp -f "$OUT_FILE" "$FAIL_OUT"
echo "Error: $1" >> "$FAIL_OUT"
}
# Current test passed
pass()
{
T_PASSED=$(( $T_PASSED + 1))
echo "PASS"
}
# Usage: run_test <name> <input file with b64 code> [ -arg <extra arguments for tested program> ] [option [...]]
# Options: -m <pattern that MUST be present in the output of tested program>
# -n <pattern that must NOT be present in the output of tested program>
# -u <pattern that must be UNIQUE in the output of tested program>
run_test()
{
TEST_NAME="$1"
RUN_CMD="$PROG_PATH -f $IN_DIR/$2"
if [ "-arg" = "$3" ]; then
RUN_CMD="$RUN_CMD $4"
shift 4
else
shift 2
fi
# prepend valgrind to our commands if active
if [ "$USE_VALGRIND" -gt 0 ]; then
RUN_CMD="valgrind --leak-check=full $RUN_CMD"
fi
T_COUNT=$(( $T_COUNT + 1))
print_name "$TEST_NAME"
# run tested program
print_header "$TEST_NAME" "$OUT_FILE" "$RUN_CMD"
eval "$RUN_CMD" >> "$OUT_FILE" 2>&1
print_footer "$OUT_FILE"
# check valgrind's results
if [ "$USE_VALGRIND" -gt 0 ]; then
if ! ( grep -F 'All heap blocks were freed -- no leaks are possible' "$OUT_FILE" &&
grep -F 'ERROR SUMMARY: 0 errors from 0 contexts' "$OUT_FILE" ) > /dev/null
then
fail "Memory error detected"
return
fi
fi
# check other assertions
# lines beginning with == are added by valgrind, ignore them, because we already checked them before
# lines with 'Serious error when reading debug info', are valgrind issues as well
# lines beginning with * are added by this script, ignore too
while [ $# -gt 0 ]
do
case $1 in
"-m")
if grep -v '^==' "$OUT_FILE" | grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" >/dev/null; then :; else
fail "pattern '$2' MUST be present in the output"
return
fi
;;
"-n")
if grep -v '^==' "$OUT_FILE" | grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" >/dev/null; then
fail "pattern '$2' MUST NOT be present in the output"
return
fi
;;
"-u")
if [ $(grep -v '^==' "$OUT_FILE"| grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" | wc -l) -ne 1 ]; then
fail "lines following pattern '$2' must be once in the output"
return
fi
;;
*)
echo "Unknown test: $1" >&2
exit 1
esac
shift 2
done
rm -f "$OUT_FILE"
pass
}
get_options "$@"
# Tests
run_test "Default configuration, server" \
"srv_def.txt" \
-n "ERROR" \
-u "major.* 2$" \
-u "minor.* 21$" \
-u "path.* 0$" \
-u "MBEDTLS_HAVE_TIME$" \
-u "MBEDTLS_X509_CRT_PARSE_C$" \
-u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-u "MBEDTLS_SSL_TRUNCATED_HMAC$" \
-u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
-u "MBEDTLS_SSL_SESSION_TICKETS$" \
-u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
-u "MBEDTLS_SSL_DTLS_BADMAC_LIMIT$" \
-u "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
-u "MBEDTLS_SSL_ALPN$" \
-u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
-u "cipher flags.* 0x00$" \
-u "Message-Digest.* SHA256$" \
-u "compression.* disabled$" \
-u "DTLS datagram packing.* enabled$" \
-n "Certificate" \
-n "bytes left to analyze from context"
run_test "Default configuration, client" \
"cli_def.txt" \
-n "ERROR" \
-u "major.* 2$" \
-u "minor.* 21$" \
-u "path.* 0$" \
-u "MBEDTLS_HAVE_TIME$" \
-u "MBEDTLS_X509_CRT_PARSE_C$" \
-u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-u "MBEDTLS_SSL_TRUNCATED_HMAC$" \
-u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
-u "MBEDTLS_SSL_SESSION_TICKETS$" \
-u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
-u "MBEDTLS_SSL_DTLS_BADMAC_LIMIT$" \
-u "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
-u "MBEDTLS_SSL_ALPN$" \
-u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
-u "cipher flags.* 0x00$" \
-u "Message-Digest.* SHA256$" \
-u "compression.* disabled$" \
-u "DTLS datagram packing.* enabled$" \
-u "cert. version .* 3$" \
-u "serial number.* 02$" \
-u "issuer name.* C=NL, O=PolarSSL, CN=PolarSSL Test CA$" \
-u "subject name.* C=NL, O=PolarSSL, CN=localhost$" \
-u "issued on.* 2019-02-10 14:44:06$" \
-u "expires on.* 2029-02-10 14:44:06$" \
-u "signed using.* RSA with SHA-256$" \
-u "RSA key size.* 2048 bits$" \
-u "basic constraints.* CA=false$" \
-n "bytes left to analyze from context"
run_test "Ciphersuite TLS-RSA-WITH-AES-256-CCM-8, server" \
"srv_ciphersuite.txt" \
-n "ERROR" \
-u "ciphersuite.* TLS-RSA-WITH-AES-256-CCM-8$" \
run_test "Ciphersuite TLS-RSA-WITH-AES-256-CCM-8, client" \
"cli_ciphersuite.txt" \
-n "ERROR" \
-u "ciphersuite.* TLS-RSA-WITH-AES-256-CCM-8$" \
run_test "No packing, server" \
"srv_no_packing.txt" \
-n "ERROR" \
-u "DTLS datagram packing.* disabled"
run_test "No packing, client" \
"cli_no_packing.txt" \
-n "ERROR" \
-u "DTLS datagram packing.* disabled"
run_test "DTLS CID, server" \
"srv_cid.txt" \
-n "ERROR" \
-u "in CID.* DE AD" \
-u "out CID.* BE EF"
run_test "DTLS CID, client" \
"cli_cid.txt" \
-n "ERROR" \
-u "in CID.* BE EF" \
-u "out CID.* DE AD"
run_test "No MBEDTLS_SSL_MAX_FRAGMENT_LENGTH, server" \
"srv_no_mfl.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH"
run_test "No MBEDTLS_SSL_MAX_FRAGMENT_LENGTH, client" \
"cli_no_mfl.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH"
run_test "No MBEDTLS_SSL_ALPN, server" \
"srv_no_alpn.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_ALPN"
run_test "No MBEDTLS_SSL_ALPN, client" \
"cli_no_alpn.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_ALPN"
run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, server" \
"srv_no_keep_cert.txt" \
-arg "--keep-peer-cert=0" \
-u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
-u "cipher flags.* 0x00" \
-u "compression.* disabled" \
-u "DTLS datagram packing.* enabled" \
-n "ERROR"
run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, client" \
"cli_no_keep_cert.txt" \
-arg "--keep-peer-cert=0" \
-u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
-u "cipher flags.* 0x00" \
-u "compression.* disabled" \
-u "DTLS datagram packing.* enabled" \
-n "ERROR"
run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, negative, server" \
"srv_no_keep_cert.txt" \
-m "Deserializing" \
-m "ERROR"
run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, negative, client" \
"cli_no_keep_cert.txt" \
-m "Deserializing" \
-m "ERROR"
run_test "Minimal configuration, server" \
"srv_min_cfg.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-n "MBEDTLS_SSL_TRUNCATED_HMAC$" \
-n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
-n "MBEDTLS_SSL_SESSION_TICKETS$" \
-n "MBEDTLS_SSL_SESSION_TICKETS and client$" \
-n "MBEDTLS_SSL_DTLS_BADMAC_LIMIT$" \
-n "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
-n "MBEDTLS_SSL_ALPN$" \
run_test "Minimal configuration, client" \
"cli_min_cfg.txt" \
-n "ERROR" \
-n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-n "MBEDTLS_SSL_TRUNCATED_HMAC$" \
-n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
-n "MBEDTLS_SSL_SESSION_TICKETS$" \
-n "MBEDTLS_SSL_SESSION_TICKETS and client$" \
-n "MBEDTLS_SSL_DTLS_BADMAC_LIMIT$" \
-n "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
-n "MBEDTLS_SSL_ALPN$" \
run_test "MTU=10000" \
"mtu_10000.txt" \
-n "ERROR" \
-u "MTU.* 10000$"
run_test "MFL=1024" \
"mfl_1024.txt" \
-n "ERROR" \
-u "MFL.* 1024$"
run_test "Older version (v2.19.1)" \
"v2.19.1.txt" \
-n "ERROR" \
-u "major.* 2$" \
-u "minor.* 19$" \
-u "path.* 1$" \
-u "ciphersuite.* TLS-ECDHE-ECDSA-WITH-AES-128-CCM-8$" \
-u "Message-Digest.* SHA256$" \
-u "compression.* disabled$" \
-u "serial number.* 01:70:AF:40:B4:E6$" \
-u "issuer name.* CN=ca$" \
-u "subject name.* L=160001, OU=acc1, CN=device01$" \
-u "issued on.* 2020-03-06 09:50:18$" \
-u "expires on.* 2056-02-26 09:50:18$" \
-u "signed using.* ECDSA with SHA256$" \
-u "lifetime.* 0 sec.$" \
-u "MFL.* none$" \
-u "negotiate truncated HMAC.* disabled$" \
-u "Encrypt-then-MAC.* enabled$" \
-u "DTLS datagram packing.* enabled$" \
-u "verify result.* 0x00000000$" \
-n "bytes left to analyze from context"
run_test "Wrong base64 format" \
"def_bad_b64.txt" \
-m "ERROR" \
-u "The length of the base64 code found should be a multiple of 4" \
-n "bytes left to analyze from context"
run_test "Too much data at the beginning of base64 code" \
"def_b64_too_big_1.txt" \
-m "ERROR" \
-n "The length of the base64 code found should be a multiple of 4" \
run_test "Too much data in the middle of base64 code" \
"def_b64_too_big_2.txt" \
-m "ERROR" \
-n "The length of the base64 code found should be a multiple of 4" \
run_test "Too much data at the end of base64 code" \
"def_b64_too_big_3.txt" \
-m "ERROR" \
-n "The length of the base64 code found should be a multiple of 4" \
-u "bytes left to analyze from context"
run_test "Empty file as input" \
"empty.txt" \
-u "Finished. No valid base64 code found"
run_test "Not empty file without base64 code" \
"../../context-info.sh" \
-n "Deserializing"
run_test "Binary file instead of text file" \
"../../../programs/ssl/ssl_context_info" \
-m "ERROR" \
-u "Too many bad symbols detected. File check aborted" \
-n "Deserializing"
run_test "Decoder continues past 0xff character" \
"def_b64_ff.bin" \
-n "No valid base64" \
-u "ciphersuite.* TLS-"
# End of tests
if [ $T_FAILED -eq 0 ]; then
printf "\nPASSED ( $T_COUNT tests )\n"
else
printf "\nFAILED ( $T_FAILED / $T_COUNT tests )\n"
fi
exit $T_FAILED