fix: Legacy ISO boot load size (#1971)

2026-07-27 21:42:36 +07:00 · 2026-07-26 00:10:41 +02:00
parent 4e35ead612
commit 605f31af72
2 changed files with 136 additions and 74 deletions
@@ -952,6 +952,142 @@ EOF
  return 0
 }

+buildImage() {
+
+  local dir="$1"
+  local failed=""
+  local cat="BOOT.CAT"
+  local log="/run/shm/iso.log"
+  local base size desc
+
+  if [ -f "$BOOT" ]; then
+    error "File $BOOT does already exist?!" && return 1
+  fi
+
+  base=$(basename "$BOOT")
+  local out="$TMP/${base%.*}.tmp"
+  rm -f "$out"
+
+  desc=$(printVariant "$DETECTED" "ISO")
+
+  local msg="Building $desc image"
+  info "$msg..." && html "$msg..."
+
+  [ -z "$LABEL" ] && LABEL="Windows"
+
+  if [ ! -f "$dir/$ETFS" ] || [ ! -s "$dir/$ETFS" ]; then
+    error "Failed to locate file \"$ETFS\" in ISO image!" && return 1
+  fi
+
+  size=$(du -b --max-depth=0 "$dir" | cut -f1)
+  checkFreeSpace "$TMP" "$size" || return 1
+
+  /run/progress.sh "$out" "$size" "$msg ([P])..." &
+
+  if [[ "${BOOT_MODE,,}" != "windows_legacy" ]]; then
+
+    genisoimage \
+      -o "$out" \
+      -b "$ETFS" \
+      -no-emul-boot \
+      -c "$cat" \
+      -iso-level 4 \
+      -J \
+      -l \
+      -D \
+      -N \
+      -joliet-long \
+      -relaxed-filenames \
+      -V "${LABEL::30}" \
+      -udf \
+      -boot-info-table \
+      -eltorito-alt-boot \
+      -eltorito-boot "$EFISYS" \
+      -no-emul-boot \
+      -allow-limited-size \
+      -quiet \
+      "$dir" 2> "$log" || failed="y"
+
+  else
+
+    case "${DETECTED,,}" in
+      "win2k"* | "winxp"* | "win2003"* )
+        genisoimage \
+          -o "$out" \
+          -b "$ETFS" \
+          -no-emul-boot \
+          -boot-load-seg 1984 \
+          -boot-load-size 4 \
+          -c "$cat" \
+          -iso-level 2 \
+          -J \
+          -l \
+          -D \
+          -N \
+          -joliet-long \
+          -relaxed-filenames \
+          -V "${LABEL::30}" \
+          -quiet \
+          "$dir" 2> "$log" || failed="y"
+        ;;
+
+      "win9"* )
+        genisoimage \
+          -o "$out" \
+          -b "$ETFS" \
+          -J \
+          -r \
+          -V "${LABEL::30}" \
+          -quiet \
+          "$dir" 2> "$log" || failed="y"
+        ;;
+
+      * )
+        genisoimage \
+          -o "$out" \
+          -b "$ETFS" \
+          -no-emul-boot \
+          -boot-load-size 4 \
+          -c "$cat" \
+          -iso-level 2 \
+          -J \
+          -l \
+          -D \
+          -N \
+          -joliet-long \
+          -relaxed-filenames \
+          -V "${LABEL::30}" \
+          -udf \
+          -allow-limited-size \
+          -quiet \
+          "$dir" 2> "$log" || failed="y"
+        ;;
+    esac
+
+  fi
+
+  fKill "progress.sh"
+
+  if [ -n "$failed" ]; then
+    [ -s "$log" ] && echo "$(<"$log")"
+    error "Failed to build image!" && return 1
+  fi
+
+  local err=""
+  local hide="Warning: creating filesystem that does not conform to ISO-9660."
+
+  [ -s "$log" ] && err="$(<"$log")"
+  [[ "$err" != "$hide" ]] && echo "$err"
+
+  mv -f "$out" "$BOOT" || return 1
+
+  if ! setOwner "$BOOT"; then
+    warn "Failed to set the owner for \"$BOOT\" !"
+  fi
+
+  return 0
+}
+
 extractBootImage() {

  local iso="$1"
@@ -1114,80 +1114,6 @@ removeImage() {
  return 0
 }

-buildImage() {
-
-  local dir="$1"
-  local failed=""
-  local cat="BOOT.CAT"
-  local log="/run/shm/iso.log"
-  local base size desc
-
-  if [ -f "$BOOT" ]; then
-    error "File $BOOT does already exist?!" && return 1
-  fi
-
-  base=$(basename "$BOOT")
-  local out="$TMP/${base%.*}.tmp"
-  rm -f "$out"
-
-  desc=$(printVariant "$DETECTED" "ISO")
-
-  local msg="Building $desc image"
-  info "$msg..." && html "$msg..."
-
-  [ -z "$LABEL" ] && LABEL="Windows"
-
-  if [ ! -f "$dir/$ETFS" ] || [ ! -s "$dir/$ETFS" ]; then
-    error "Failed to locate file \"$ETFS\" in ISO image!" && return 1
-  fi
-
-  size=$(du -b --max-depth=0 "$dir" | cut -f1)
-  checkFreeSpace "$TMP" "$size" || return 1
-
-  /run/progress.sh "$out" "$size" "$msg ([P])..." &
-
-  if [[ "${BOOT_MODE,,}" != "windows_legacy" ]]; then
-
-    genisoimage -o "$out" -b "$ETFS" -no-emul-boot -c "$cat" -iso-level 4 -J -l -D -N -joliet-long -relaxed-filenames -V "${LABEL::30}" \
-                  -udf -boot-info-table -eltorito-alt-boot -eltorito-boot "$EFISYS" -no-emul-boot -allow-limited-size -quiet "$dir" 2> "$log" || failed="y"
-
-  else
-
-    case "${DETECTED,,}" in
-      "win2k"* | "winxp"* | "win2003"* )
-        genisoimage -o "$out" -b "$ETFS" -no-emul-boot -boot-load-seg 1984 -boot-load-size 4 -c "$cat" -iso-level 2 -J -l -D -N -joliet-long \
-                      -relaxed-filenames -V "${LABEL::30}" -quiet "$dir" 2> "$log" || failed="y" ;;
-      "win9"* )
-        genisoimage -o "$out" -b "$ETFS" -J -r -V "${LABEL::30}" -quiet "$dir" 2> "$log" || failed="y" ;;
-      * )
-        genisoimage -o "$out" -b "$ETFS" -no-emul-boot -c "$cat" -iso-level 2 -J -l -D -N -joliet-long -relaxed-filenames -V "${LABEL::30}" \
-                      -udf -allow-limited-size -quiet "$dir" 2> "$log" || failed="y" ;;
-    esac
-
-  fi
-
-  fKill "progress.sh"
-
-  if [ -n "$failed" ]; then
-    [ -s "$log" ] && echo "$(<"$log")"
-    error "Failed to build image!" && return 1
-  fi
-
-  local err=""
-  local hide="Warning: creating filesystem that does not conform to ISO-9660."
-
-  [ -s "$log" ] && err="$(<"$log")"
-  [[ "$err" != "$hide" ]] && echo "$err"
-
-  mv -f "$out" "$BOOT" || return 1
-
-  if ! setOwner "$BOOT"; then
-    warn "Failed to set the owner for \"$BOOT\" !"
-  fi
-
-  return 0
-}
-
 bootWindows() {

  ARGS=$(readState "$STORAGE/windows.args") || return 1