BaseTools: BinToPcd: Resolve xdrlib deprecation

Removes the dependency on xdrlib and replaces it with custom logic to
pack a per the xdr requirements. Necessary as xdrlib is being deprecated
in python 3.13.

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Joey Vagedes <joeyvagedes@gmail.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

1 files changed, 15 insertions, 4 deletions

diff --git a/BaseTools/Scripts/BinToPcd.py b/BaseTools/Scripts/BinToPcd.py
index 3bc557b841..460c08b7f7 100644
--- a/BaseTools/Scripts/BinToPcd.py
+++ b/BaseTools/Scripts/BinToPcd.py
@@ -14,6 +14,9 @@ import sys
 import argparse

 import re

 import xdrlib

+import io

+import struct

+import math

 

 #

 # Globals for help information

@@ -46,16 +49,24 @@ if __name__ == '__main__':
             raise argparse.ArgumentTypeError (Message)

         return Argument

 

+    def XdrPackBuffer (buffer):

+        packed_bytes = io.BytesIO()

+        for unpacked_bytes in buffer:

+            n = len(unpacked_bytes)

+            packed_bytes.write(struct.pack('>L',n))

+            data = unpacked_bytes[:n]

+            n = math.ceil(n/4)*4

+            data = data + (n - len(data)) * b'\0'

+            packed_bytes.write(data)

+        return packed_bytes.getvalue()

+

     def ByteArray (Buffer, Xdr = False):

         if Xdr:

             #

             # If Xdr flag is set then encode data using the Variable-Length Opaque

             # Data format of RFC 4506 External Data Representation Standard (XDR).

             #

-            XdrEncoder = xdrlib.Packer ()

-            for Item in Buffer:

-                XdrEncoder.pack_bytes (Item)

-            Buffer = bytearray (XdrEncoder.get_buffer ())

+            Buffer = bytearray (XdrPackBuffer (Buffer))

         else:

             #

             # If Xdr flag is not set, then concatenate all the data