mirror of
https://github.com/dockur/windows.git
synced 2026-07-27 21:42:36 +07:00
fix: Fall back to default boot load size for NT5 media (#1989)
This commit is contained in:
Kroese
GitHub
+161
-145
@@ -1041,6 +1041,167 @@ EOC
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return 0
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}
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getBootLoadSize() {
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local iso="$1"
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local desc="$2"
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local boot_info value
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if ! boot_info=$(isoinfo -d -i "$iso"); then
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case "${DETECTED,,}" in
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"win2k"* | "winxp"* | "win2003"* )
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BOOT_LOAD_SIZE=4
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return 0
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;;
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esac
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error "Failed to read boot image information from $desc ISO!"
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return 1
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fi
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value=$(awk '/Nsect / { print $NF; exit }' <<< "$boot_info")
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if [ -z "$value" ]; then
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case "${DETECTED,,}" in
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"win2k"* | "winxp"* | "win2003"* )
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BOOT_LOAD_SIZE=4
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return 0
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;;
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esac
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error "Failed to determine boot image load size from $desc ISO!"
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return 1
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fi
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if [[ ! "$value" =~ ^[0-9]+$ ]] || [ "${#value}" -gt 5 ]; then
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error "Invalid boot image load size found in $desc ISO!"
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return 1
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fi
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BOOT_LOAD_SIZE=$((10#$value))
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if (( BOOT_LOAD_SIZE < 1 || BOOT_LOAD_SIZE > 65535 )); then
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error "Invalid boot image load size found in $desc ISO!"
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return 1
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fi
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return 0
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}
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extractBootImage() {
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local iso="$1"
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local dir="$2"
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local desc="$3"
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local tmp="$TMP/boot-images"
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local max_size=$((32 * 1024 * 1024))
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local rc size offset image=""
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local msg="using legacy extraction..."
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local boot_info
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local -a images=()
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ETFS="boot.img"
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[ -s "$dir/$ETFS" ] && return 0
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rm -f "$dir/$ETFS" || return 1
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rm -rf "$tmp" || return 1
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if LC_ALL=C xorriso \
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-no_rc \
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-osirrox on \
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-indev "$iso" \
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-extract_boot_images "$tmp" >/dev/null 2>&1; then
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mapfile -t images < <(
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find "$tmp" \
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-maxdepth 1 \
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-type f \
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-name 'eltorito_img*_bios.img' \
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-print
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)
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if (( ${#images[@]} == 1 )); then
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image="${images[0]}"
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if [ ! -s "$image" ]; then
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warn "The extracted BIOS boot image is empty, $msg"
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elif ! size=$(stat -c%s "$image"); then
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warn "Failed to determine the BIOS boot image size, $msg"
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elif (( size > max_size )); then
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warn "The extracted BIOS boot image exceeds 32 MB, $msg"
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else
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if ! mv -f "$image" "$dir/$ETFS"; then
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rm -rf "$tmp" || true
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error "Failed to save boot image from $desc ISO!"
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return 1
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fi
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rm -rf "$tmp" || return 1
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return 0
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fi
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elif (( ${#images[@]} > 1 )); then
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warn "Multiple BIOS boot images were found, $msg"
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else
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warn "No BIOS boot image was found, $msg"
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fi
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else
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rc=$?
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if (( rc > 128 )); then
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rm -rf "$tmp" || true
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exit "$rc"
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fi
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warn "Failed to extract the BIOS boot image, $msg"
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fi
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rm -rf "$tmp" || true
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local boot_info
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if ! boot_info=$(isoinfo -d -i "$iso"); then
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error "Failed to read boot image information from $desc ISO!"
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return 1
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fi
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offset=$(awk '/Bootoff / { print $NF; exit }' <<< "$boot_info")
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if [ -z "$offset" ]; then
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error "Failed to determine boot image offset from $desc ISO!"
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return 1
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fi
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if [[ ! "$offset" =~ ^[0-9]+$ ]]; then
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error "Invalid boot image location found in $desc ISO!"
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return 1
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fi
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if ! dd \
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"if=$iso" \
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"of=$dir/$ETFS" \
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bs=2048 \
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"count=$BOOT_LOAD_SIZE" \
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"skip=$offset" \
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status=none; then
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rm -f "$dir/$ETFS" || true
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error "Failed to extract boot image from $desc ISO!"
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return 1
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fi
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if [ ! -s "$dir/$ETFS" ]; then
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rm -f "$dir/$ETFS" || true
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error "Failed to locate file \"$ETFS\" in $desc ISO image!"
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return 1
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fi
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return 0
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}
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buildImage() {
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local dir="$1"
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@@ -1187,149 +1348,4 @@ buildImage() {
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return 0
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}
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getBootLoadSize() {
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local iso="$1"
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local desc="$2"
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local boot_info value
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if ! boot_info=$(isoinfo -d -i "$iso"); then
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error "Failed to read boot image information from $desc ISO!"
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return 1
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fi
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value=$(awk '/Nsect / { print $NF; exit }' <<< "$boot_info")
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if [ -z "$value" ]; then
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error "Failed to determine boot image load size from $desc ISO!"
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return 1
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fi
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if [[ ! "$value" =~ ^[0-9]+$ ]] || [ "${#value}" -gt 5 ]; then
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error "Invalid boot image load size found in $desc ISO!"
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return 1
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fi
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BOOT_LOAD_SIZE=$((10#$value))
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if (( BOOT_LOAD_SIZE < 1 || BOOT_LOAD_SIZE > 65535 )); then
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error "Invalid boot image load size found in $desc ISO!"
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return 1
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fi
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return 0
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}
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extractBootImage() {
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local iso="$1"
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local dir="$2"
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local desc="$3"
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local tmp="$TMP/boot-images"
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local max_size=$((32 * 1024 * 1024))
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local rc size offset image=""
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local msg="using legacy extraction..."
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local boot_info
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local -a images=()
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ETFS="boot.img"
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[ -s "$dir/$ETFS" ] && return 0
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rm -f "$dir/$ETFS" || return 1
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rm -rf "$tmp" || return 1
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if LC_ALL=C xorriso \
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-no_rc \
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-osirrox on \
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-indev "$iso" \
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-extract_boot_images "$tmp" >/dev/null 2>&1; then
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mapfile -t images < <(
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find "$tmp" \
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-maxdepth 1 \
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-type f \
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-name 'eltorito_img*_bios.img' \
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-print
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)
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if (( ${#images[@]} == 1 )); then
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image="${images[0]}"
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if [ ! -s "$image" ]; then
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warn "The extracted BIOS boot image is empty, $msg"
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elif ! size=$(stat -c%s "$image"); then
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warn "Failed to determine the BIOS boot image size, $msg"
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elif (( size > max_size )); then
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warn "The extracted BIOS boot image exceeds 32 MB, $msg"
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else
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if ! mv -f "$image" "$dir/$ETFS"; then
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rm -rf "$tmp" || true
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error "Failed to save boot image from $desc ISO!"
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return 1
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fi
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rm -rf "$tmp" || return 1
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return 0
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fi
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elif (( ${#images[@]} > 1 )); then
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warn "Multiple BIOS boot images were found, $msg"
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else
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warn "No BIOS boot image was found, $msg"
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fi
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else
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rc=$?
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if (( rc > 128 )); then
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rm -rf "$tmp" || true
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exit "$rc"
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fi
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warn "Failed to extract the BIOS boot image, $msg"
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fi
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rm -rf "$tmp" || true
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local boot_info
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if ! boot_info=$(isoinfo -d -i "$iso"); then
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error "Failed to read boot image information from $desc ISO!"
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return 1
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fi
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offset=$(awk '/Bootoff / { print $NF; exit }' <<< "$boot_info")
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if [ -z "$offset" ]; then
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error "Failed to determine boot image offset from $desc ISO!"
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return 1
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fi
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if [[ ! "$offset" =~ ^[0-9]+$ ]]; then
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error "Invalid boot image location found in $desc ISO!"
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return 1
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fi
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if ! dd \
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"if=$iso" \
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"of=$dir/$ETFS" \
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bs=2048 \
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"count=$BOOT_LOAD_SIZE" \
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"skip=$offset" \
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status=none; then
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rm -f "$dir/$ETFS" || true
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error "Failed to extract boot image from $desc ISO!"
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return 1
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fi
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if [ ! -s "$dir/$ETFS" ]; then
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rm -f "$dir/$ETFS" || true
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error "Failed to locate file \"$ETFS\" in $desc ISO image!"
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return 1
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fi
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return 0
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}
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return 0
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