fix: rpm extractor for windows

cve_bin_tool/extractor.py

@@ -106,8 +106,24 @@ async def extract_file_rpm(self, filename, extraction_path):
                 if stderr or not stdout:
                     return 1
                 filenames = await aio_glob(os.path.join(extraction_path, "*.cpio"))
+                if not filenames:
+                    if not await aio_inpath("zstd"):
+                        with ErrorHandler(mode=self.error_mode, logger=self.logger):
+                            raise Exception("zstd is required to extract rpm files")
+                    else:
+                        filenames = await aio_glob(
+                            os.path.join(extraction_path, "*.cpio.zstd")
+                        )
+                        filename = filenames[0]
+                        stdout, stderr, _ = await aio_run_command(
+                            ["zstd", "-d", filename]
+                        )
+                        if stderr:
+                            return 1
+                        filenames = await aio_glob(
+                            os.path.join(extraction_path, "*.cpio")
+                        )
                 filename = filenames[0]
-
                 stdout, stderr, _ = await aio_run_command(["7z", "x", filename])
                 if stderr or not stdout:
                     return 1