Check SWF for ASC 2.0 Type Coercion Bug

#!/bin/bash
set -o nounset

if [ "$#" -ne 3 ]; then
    echo -e "Usage:\n\t$0 <fla file OR folder containing xfl> <swf file> <linux ssh host with swfdump>\n"
    exit 1;
fi

FLA_PATH=$(pwd)/$1

SWF=$(basename "$2")
SWF_PATH=$2

SWFDUMP_SERVER=$3

#
# Create the test script and move it to the server with the swfdump tool installed
#

LOCAL_SCRIPT_TMP=$(mktemp "${TMPDIR:-/tmp}"$(basename $0).XXXXXX)

cat <<-HERETO > $LOCAL_SCRIPT_TMP
#!/bin/bash
set -o nounset

ASSET_CLASS=\$1
DUMP_FILE=\$2

EXPORT_ID=\$(grep "exports [0-9]\+ as \"\$ASSET_CLASS\"" \$DUMP_FILE | awk '{ print \$2 }')

if [ -z "\$EXPORT_ID" ]
then
    echo 0
    exit
fi

grep "places id \$EXPORT_ID .* name " \$DUMP_FILE |  wc | awk '{ print \$1 }'
HERETO

REMOTE_SCRIPT_TMP=$(ssh $SWFDUMP_SERVER mktemp)
scp $LOCAL_SCRIPT_TMP ${SWFDUMP_SERVER}:$REMOTE_SCRIPT_TMP
ssh $SWFDUMP_SERVER chmod +x $REMOTE_SCRIPT_TMP

#
# Copy the swf to the server and create a dump file
#

REMOTE_SWF_TMP=$(ssh $SWFDUMP_SERVER mktemp)
REMOTE_SWF_DUMP_TMP=$(ssh $SWFDUMP_SERVER mktemp)

scp "$SWF_PATH" ${SWFDUMP_SERVER}:$REMOTE_SWF_TMP
ssh $SWFDUMP_SERVER swfdump -u "$REMOTE_SWF_TMP" \> $REMOTE_SWF_DUMP_TMP

if [ -d $FLA_PATH ]
then
    pushd $FLA_PATH > /dev/null
    DELETE_FLA_TMP_FOLDER=false
else
    FLA_TMP_FOLDER=$(mktemp -d "${TMPDIR:-/tmp}"$(basename $0).XXXXXX)
    DELETE_FLA_TMP_FOLDER=true

    pushd $FLA_TMP_FOLDER > /dev/null
    unzip -qq "$FLA_PATH" 2>/dev/null
fi

BUILD_BAD=false

FLA_ASSETS=$(find LIBRARY -name '*.xml' -exec grep -l linkageClassName {} \+ | sed 's/^LIBRARY\/\(.*\)\.xml/\1/')

IFS=$'\n'
for FLA_ASSET in $FLA_ASSETS
do
    echo "Asset: $FLA_ASSET"

    #
    # We only want to count named uses of the asset in assets that are in the swf via linkage name.
    # Only assets referenced in the source will be linked into the swf.
    #

    NAMED_BY_FLA_ASSETS=$(find LIBRARY -name '*.xml' -exec grep "libraryItemName=\"$FLA_ASSET\"" {} \+ | grep Instance | grep name=\" | sed 's/^LIBRARY\/\(.*\)\.xml.*/\1/' | sort -u)

    if [ -z "$NAMED_BY_FLA_ASSETS" ]
    then
        continue
    fi

    NAMED_USES=0

    for NAMED_BY_FLA_ASSET in $NAMED_BY_FLA_ASSETS
    do
        NAMED_BY_FLA_ASSET_CLASS=$(grep linkageClassName "LIBRARY/${NAMED_BY_FLA_ASSET}.xml" | sed 's/.*linkageClassName="\([^"]*\)".*/\1/')

        LINKED=$(ssh $SWFDUMP_SERVER grep "\"exports .*$NAMED_BY_FLA_ASSET_CLASS\"" $REMOTE_SWF_DUMP_TMP | wc | awk '{ print $1 }')

        if [ "$LINKED" == 0 ]
        then
            echo "  named by $NAMED_BY_FLA_ASSET but $NAMED_BY_FLA_ASSET_CLASS is not linked in swf"
        else
            NAMED_USES=$((NAMED_USES + 1))
        fi
    done

    if [ "$NAMED_USES" == 0 ]
    then
        echo "  not named in swf."
        continue
    fi

    #
    # The asset is named at least once in another asset that is linked into the swf.
    #

    FLA_ASSET_CLASS=$(grep linkageClassName "LIBRARY/${FLA_ASSET}.xml" | sed 's/.*linkageClassName="\([^"]*\)".*/\1/')

    SWF_USES=$(ssh $SWFDUMP_SERVER $REMOTE_SCRIPT_TMP $FLA_ASSET_CLASS $REMOTE_SWF_DUMP_TMP)

    if [ "$SWF_USES" != 0 ] || [ "$NAMED_USES" != 0 ]
    then
        echo "  linked as $FLA_ASSET_CLASS with $NAMED_USES expected named uses, found $SWF_USES named uses in swf"
    fi

    if [ "$SWF_USES" != "$NAMED_USES" ]
    then
        echo "  **** Bad ****"
        BUILD_BAD=true
    fi
done

popd > /dev/null

#
# Cleanup
#

rm $LOCAL_SCRIPT_TMP
if $DELETE_FLA_TMP_FOLDER
then
    rm -rf "$FLA_TMP_FOLDER"
fi

if $BUILD_BAD
then
    echo "Swf:    $REMOTE_SWF_TMP"
    echo "Dump:   $REMOTE_SWF_DUMP_TMP"
    echo "Script: $REMOTE_SCRIPT_TMP"

    echo -e "\nBuild is bad."

    exit 2
else
    echo -e "\nBuild is good!"

    ssh $SWFDUMP_SERVER rm $REMOTE_SCRIPT_TMP $REMOTE_SWF_TMP $REMOTE_SWF_DUMP_TMP
fi