X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=ef3688efd44738b9e16d812dd9e54ba8fe34d8ca;hb=f35e0cfae2a2c7b15ed6a38211264b7b26b80a43;hp=23024eb61d934ff266df6bec04e37c7e4b75e859;hpb=00b1535be06d4c045033a7f7b8a8226d44e40ded;p=live-boot-grml.git

diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh
index 23024eb..ef3688e 100755
--- a/components/9990-misc-helpers.sh
+++ b/components/9990-misc-helpers.sh
@@ -15,6 +15,42 @@ is_live_path()
 	return 1
 }
 
+grml_match_bootid()
+{
+	path="$1"
+
+	if [ -n "$IGNORE_BOOTID" ] ; then
+		echo " * Ignoring verification of bootid.txt as requested via ignore_bootid.">>/boot.log
+		return 0
+	fi
+
+	if [ -n "$BOOTID" ] && ! [ -r "${path}/conf/bootid.txt" ] ; then
+		echo "  * Warning: bootid=... specified but no bootid.txt found on currently requested device.">>/boot.log
+		return 1
+	fi
+
+	[ -r "${path}/conf/bootid.txt" ] || return 0
+
+	bootid_conf=$(cat "${path}/conf/bootid.txt")
+
+	if [ -z "$BOOTID" -a -z "$IGNORE_BOOTID" ]
+	then
+		echo " * Warning: bootid.txt found but ignore_bootid / bootid=.. bootoption missing...">>/boot.log
+		return 1
+	fi
+
+	if [ "$BOOTID" = "$bootid_conf" ]
+	then
+		echo " * Successfully verified /conf/bootid.txt from ISO, continuing... ">>/boot.log
+	else
+		echo " * Warning: BOOTID of ISO does not match. Retrying and continuing search...">>/boot.log
+		return 1
+	fi
+
+	return 0
+}
+
+
 matches_uuid ()
 {
 	if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
@@ -120,7 +156,24 @@ check_dev ()
 
 		if [ "$ISO_DEVICE" = "/" ]
 		then
-			echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+			# not a block device, check if it's an iso file, for
+			# example an ISO when booting on an ONIE system
+			if echo "${FROMISO}" | grep -q "\.iso$"
+			then
+				fs_type=$(get_fstype "${FROMISO}")
+				if is_supported_fs ${fs_type}
+				then
+					mkdir /run/live/fromiso
+					mount -t $fs_type "${FROMISO}" /run/live/fromiso
+					if [ "$?" != 0 ]
+					then
+						echo "Warning: unable to mount ${FROMISO}." >>/boot.log
+					fi
+					devname="/run/live/fromiso"
+				fi
+			else
+				echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+			fi
 		else
 			fs_type=$(get_fstype "${ISO_DEVICE}")
 			if is_supported_fs ${fs_type}
@@ -242,7 +295,7 @@ check_dev ()
 		fi
 
 		if is_live_path ${mountpoint} && \
-			([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
+			([ "${skip_uuid_check}" ] || grml_match_bootid ${mountpoint})
 		then
 			echo ${mountpoint}
 			return 0
@@ -338,19 +391,6 @@ find_livefs ()
 					return 0
 				fi
 			done
-		elif [ "${fstype}" = "squashfs" -o \
-			"${fstype}" = "btrfs" -o \
-			"${fstype}" = "ext2" -o \
-			"${fstype}" = "ext3" -o \
-			"${fstype}" = "ext4" -o \
-			"${fstype}" = "jffs2" ]
-		then
-			# This is an ugly hack situation, the block device has
-			# an image directly on it.  It's hopefully
-			# live-boot, so take it and run with it.
-			ln -s "${devname}" "${devname}.${fstype}"
-			echo "${devname}.${fstype}"
-			return 0
 		fi
 	done