lug-helper.sh: Add detection for new WOW64 mode system Wine installs

This allows us to fail the preflight if a user has a system Wine but that Wine uses the experimental WOW64 mode, which EAC does not yet support.

lug-helper.sh

@@ -985,8 +985,6 @@ wine_check() {
     if [ ! -x "$(command -v wine)" ]; then
         preflight_fail+=("Wine does not appear to be installed.\nPlease refer to our Quick Start Guide:\n$lug_wiki")
         return 1
-    else
-        preflight_pass+=("Wine is installed on your system.")
     fi
 
     # Get the current wine version
@@ -1002,8 +1000,85 @@ wine_check() {
         system_wine_ok="true"
     fi
 
-    # Check for wow64 wines
+    # Function to determine the architecture of a binary file using 'od'
-    if [ ! -x "$(command -v wine-preloader)" ] || [ -L "$(command -v wine64-preloader)" ]; then
+    get_file_arch() {
+        local file_path="$1"
+        local ob_output
+        ob_output="$(od -An -t x1 -j 0x12 -N 1 "$file_path" 2>/dev/null | tr -d '[:space:]')"
+        case "$ob_output" in
+            "3e")      echo "x86_64" ;;
+            "03"|"06") echo "i386" ;;
+            "b7")      echo "aarch64" ;;
+            "28")      echo "aarch32" ;;
+            *)         echo "" ;;
+        esac
+    }
+
+    # Proceed only if the Wine version is acceptable
+    if [ "$system_wine_ok" = "true" ]; then
+        # Get paths to wine and wineserver binaries
+        wine_bin="$(command -v wine)"
+        wineserver_bin="$(command -v wineserver)"
+        wineboot_bin="$(command -v wineboot)"
+
+        # Determine the architecture of wine binary
+        wine_binary_arch="$(get_file_arch "${wine_bin}")"
+
+        # If unable to determine architecture, attempt alternative methods
+        if [ -z "${wine_binary_arch}" ]; then
+            wineboot_bin="$(command -v wineboot)"
+            if [ -x "${wineboot_bin}" ]; then
+                wine_bin_dir="$(dirname "$(readlink -f "${wineboot_bin}" 2>/dev/null)" 2>/dev/null)"
+                if [ -x "${wine_bin_dir}/wine" ]; then
+                    wine_binary_arch="$(get_file_arch "${wine_bin_dir}/wine")"
+                fi
+            fi
+        fi
+
+        # Determine the architecture of wineserver binary
+        wineserver_binary_arch="$(get_file_arch "${wineserver_bin}")"
+
+        if [ -z "${wineserver_binary_arch}" ]; then
+            if [ -x "${wineboot_bin}" ]; then
+                wine_bin_dir="$(dirname "$(readlink -f "${wineboot_bin}" 2>/dev/null)" 2>/dev/null)"
+                if [ -x "${wine_bin_dir}/wineserver64" ]; then
+                    wineserver_binary_arch="$(get_file_arch "${wine_bin_dir}/wineserver64")"
+                elif [ -x "${wine_bin_dir}/wineserver32" ]; then
+                    wineserver_binary_arch="$(get_file_arch "${wine_bin_dir}/wineserver32")"
+                elif [ -x "${wine_bin_dir}/wineserver" ]; then
+                    wineserver_binary_arch="$(get_file_arch "${wine_bin_dir}/wineserver")"
+                fi
+            fi
+        fi
+
+        # Determine WOW64 type
+        if [ "${wineserver_binary_arch}" = "${wine_binary_arch}" ]; then
+            wow64_style="new"
+        elif [ -n "${wineserver_binary_arch}" ] && [ -n "${wine_binary_arch}" ]; then
+            wow64_style="classic"
+        else
+            wow64_style="unknown"
+            system_wine_ok="false"
+        fi
+
+        # If WOW64 support is present, check if it's "new" or "classic WOW64 
+        # If it is set system_wine_ok to false
+        if [ "${wow64_style}" = "new" ]; then
+            preflight_fail+=("Wine is installed but uses the experimental WOW64 mode, which is not supported.")
+            system_wine_ok="false"
+        elif [ "${wow64_style}" = "classic" ]; then
+            preflight_pass+=("Wine is installed on your system.")
+            system_wine_ok="true"
+        elif [ "${wow64_style}" = "unknown" ]; then
+            preflight_fail+=("Failed to determine if Wine has experimental WOW64 support.")
+            system_wine_ok="false"
+        else
+            # Wine is installed and does not have WOW64 support
+            preflight_fail+=("Wine is installed but does not have WOW64 support. Please install 64bit Wine")
+            system_wine_ok="false"
+        fi
+    else
+        preflight_fail+=("Wine version $wine_current does not meet the required version $wine_required.")
         system_wine_ok="false"
     fi
 }