wolfssl/scripts/dtlscid.test

#!/usr/bin/env bash

# dtlscid.test
# Copyright wolfSSL 2022-2024

# if we can, isolate the network namespace to eliminate port collisions.
if [[ -n "$NETWORK_UNSHARE_HELPER" ]]; then
     if [[ -z "$NETWORK_UNSHARE_HELPER_CALLED" ]]; then
         export NETWORK_UNSHARE_HELPER_CALLED=yes
         exec "$NETWORK_UNSHARE_HELPER" "$0" "$@" || exit $?
     fi
elif [ "${AM_BWRAPPED-}" != "yes" ]; then
    bwrap_path="$(command -v bwrap)"
    if [ -n "$bwrap_path" ]; then
        export AM_BWRAPPED=yes
        exec "$bwrap_path" --unshare-net --dev-bind / / "$0" "$@"
    fi
    unset AM_BWRAPPED
fi

cleanup () {
    echo "Cleaning up..."
    if [ ! -z "$SERVER_PID" ];then
        echo "Killing server $SERVER_PID"
        kill $SERVER_PID
    fi
}

trap cleanup err exit

CCID="AA"
SCID="BB"
HEXCID=$(printf $CCID | od -An -tx1 | tr -d ' \n')
HEXSCID=$(printf $SCID | od -An -tx1 | tr -d ' \n')
WOLFSSL_ROOT=$(pwd)

test_cid () {
    echo "Running test_cid"
    SERVER_FILE=$(mktemp)
    CLIENT_FILE=$(mktemp)
    $WOLFSSL_ROOT/examples/server/server -v4 -u --cid $SCID 1> $SERVER_FILE &
    SERVER_PID=$!
    sleep 0.2
    $WOLFSSL_ROOT/examples/client/client -v4 -u --cid $CCID 1> $CLIENT_FILE
    wait $SERVER_PID
    SERVER_PID=
    grep "Sending CID is ${HEXSCID}" $CLIENT_FILE > /dev/null
    grep "Sending CID is ${HEXCID}" $SERVER_FILE > /dev/null
    echo "test_cid has passed"
}

test_cid