[Git][reproducible-builds/diffoscope][master] Dump PE32+ executables (including EFI applications) using objdump. (Closes:...

[Chris Lamb]

Chris Lamb pushed to branch master at Reproducible Builds / diffoscope


Commits:
7d597414 by Chris Lamb at 2020-06-28T15:51:01+01:00
Dump PE32+ executables (including EFI applications) using objdump. (Closes: reproducible-builds/diffoscope#181)

- - - - -


2 changed files:

- diffoscope/comparators/__init__.py
- + diffoscope/comparators/pe32.py


Changes:

=====================================
diffoscope/comparators/__init__.py
=====================================
@@ -101,6 +101,7 @@ class ComparatorManager:
         ("openssh.PublicKeyFile",),
         ("gif.GifFile",),
         ("pcap.PcapFile",),
+        ("pe32.Pe32PlusFile",),
         ("pgp.PgpFile",),
         ("pgp.PgpSignature",),
         ("kbx.KbxFile",),


=====================================
diffoscope/comparators/pe32.py
=====================================
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+#
+# diffoscope: in-depth comparison of files, archives, and directories
+#
+# Copyright © 2020 Chris Lamb <lamby at debian.org>
+#
+# diffoscope is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# diffoscope is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.
+
+import re
+
+from diffoscope.tools import tool_required
+from diffoscope.difference import Difference
+
+from .utils.file import File
+from .utils.command import Command
+
+
+class Objdump(Command):
+    @tool_required("objdump")
+    def cmdline(self):
+        return (
+            "objdump",
+            "--all-headers",
+            "--disassemble-all",
+            "--line-numbers",
+            self.path,
+        )
+
+    def filter(self, line):
+        if line.startswith(self.path.encode("utf-8")):
+            return b""
+
+        return line
+
+
+class Pe32PlusFile(File):
+    DESCRIPTION = "PE32 files"
+    FILE_TYPE_RE = re.compile(r"^PE32\+")
+
+    def compare_details(self, other, source=None):
+        return [
+            Difference.from_command(
+                Objdump, self.path, other.path, source="objdump"
+            )
+        ]



View it on GitLab: https://salsa.debian.org/reproducible-builds/diffoscope/-/commit/7d597414be93278616b9ea81c47f783b2515915e

-- 
View it on GitLab: https://salsa.debian.org/reproducible-builds/diffoscope/-/commit/7d597414be93278616b9ea81c47f783b2515915e
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