Some changes to Utilities folder

Utilities/MountEFI/Scripts/bdmesg.py

@@ -0,0 +1,70 @@
+import binascii, subprocess, sys
+
+def get_clover_uuid():
+    bd = bdmesg()
+    if not len(bd):
+        return ""
+    # Get bdmesg output - then parse for SelfDevicePath
+    if not "SelfDevicePath=" in bd:
+        # Not found
+        return ""
+    try:
+        # Split to just the contents of that line
+        line = bd.split("SelfDevicePath=")[1].split("\n")[0]
+        # Get the HD section
+        hd   = line.split("HD(")[1].split(")")[0]
+        # Get the UUID
+        uuid = hd.split(",")[2]
+        return uuid
+    except:
+        pass
+    return ""
+
+def get_oc_uuid():
+    p = subprocess.Popen(["nvram","4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:boot-path"], shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    oc, oe = p.communicate()
+    oc = _decode(oc)
+    try:
+        path = oc.split("GPT,")[1].split(",")[0]
+    except:
+        path = ""
+    return path
+
+def get_bootloader_uuid():
+    b_uuid = get_clover_uuid()
+    if not b_uuid:
+        b_uuid = get_oc_uuid()
+    return b_uuid
+
+def bdmesg(just_clover = True):
+    b = "" if just_clover else _bdmesg(["ioreg","-l","-p","IOService","-w0"])
+    if b == "":
+        b = _bdmesg(["ioreg","-l","-p","IODeviceTree","-w0"])
+    return b
+
+def _decode(var):
+    if sys.version_info >= (3,0) and isinstance(var, bytes):
+        var = var.decode("utf-8","ignore")
+    return var
+
+def _bdmesg(comm):
+    # Runs ioreg -l -p IODeviceTree -w0 and searches for "boot-log"
+    p = subprocess.Popen(comm, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    bd, be = p.communicate()
+    bd = _decode(bd)
+    for line in bd.split("\n"):
+        # We're just looking for the "boot-log" property, then we need to format it
+        if not '"boot-log"' in line:
+            # Skip it!
+            continue
+        # Must have found it - let's try to split it, then get the hex data and process it
+        try:
+            # Split it up, then convert from hex to ascii
+            ascii_bytes = binascii.unhexlify(line.split("<")[1].split(">")[0].encode("utf-8"))
+            ascii_bytes = _decode(ascii_bytes)
+            return ascii_bytes
+        except:
+            # Failed to convert
+            return ""
+    # Didn't find it
+    return ""