2025-12-25 upload

venv/Lib/site-packages/pydivert/packet/icmp.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2016  Fabio Falcinelli, Maximilian Hils
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from pydivert.packet.header import Header, PayloadMixin
+from pydivert.util import indexbyte as i, raw_property
+
+
+class ICMPHeader(Header, PayloadMixin):
+    header_len = 4
+
+    @property
+    def type(self):
+        """
+        The ICMP message type.
+        """
+        return i(self.raw[0])
+
+    @type.setter
+    def type(self, val):
+        self.raw[0] = i(val)
+
+    @property
+    def code(self):
+        """
+        The ICMP message code.
+        """
+        return i(self.raw[1])
+
+    @code.setter
+    def code(self, val):
+        self.raw[1] = i(val)
+
+    cksum = raw_property('!H', 2, docs='The ICMP header checksum field.')
+
+
+class ICMPv4Header(ICMPHeader):
+    pass
+
+
+class ICMPv6Header(ICMPHeader):
+    pass