firewall: T3568: add XML definitions for firewall

Add XML for configuration mode firewall. Used for future rewriting it to Python style.

4 files changed, 103 insertions, 0 deletions

diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py
new file mode 100755
index 000000000..8e6ce5b14
--- /dev/null
+++ b/src/conf_mode/firewall.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+from sys import exit
+
+from vyos.config import Config
+from vyos.configdict import dict_merge
+from vyos.configdict import node_changed
+from vyos.configdict import leaf_node_changed
+from vyos.template import render
+from vyos.util import call
+from vyos import ConfigError
+from vyos import airbag
+from pprint import pprint
+airbag.enable()
+
+
+def get_config(config=None):
+
+    if config:
+        conf = config
+    else:
+        conf = Config()
+    base = ['nfirewall']
+    firewall = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True,
+                                    no_tag_node_value_mangle=True)
+
+    pprint(firewall)
+    return firewall
+
+def verify(firewall):
+    # bail out early - looks like removal from running config
+    if not firewall:
+        return None
+
+    return None
+
+def generate(firewall):
+    if not firewall:
+        return None
+
+    return None
+
+def apply(firewall):
+    if not firewall:
+        return None
+
+    return None
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)
diff --git a/src/validators/ipv6-exclude b/src/validators/ipv6-exclude
new file mode 100755
index 000000000..893eeab09
--- /dev/null
+++ b/src/validators/ipv6-exclude
@@ -0,0 +1,7 @@
+#!/bin/sh
+arg="$1"
+if [ "${arg:0:1}" != "!" ]; then
+  exit 1
+fi
+path=$(dirname "$0")
+${path}/ipv6 "${arg:1}"
diff --git a/src/validators/ipv6-range b/src/validators/ipv6-range
new file mode 100755
index 000000000..033b6461b
--- /dev/null
+++ b/src/validators/ipv6-range
@@ -0,0 +1,16 @@
+#!/usr/bin/python3
+
+import sys
+import re
+from vyos.template import is_ipv6
+
+if __name__ == '__main__':
+    if len(sys.argv)>1:
+        ipv6_range = sys.argv[1]
+        # Regex for ipv6-ipv6 https://regexr.com/
+        if re.search('([a-f0-9:]+:+)+[a-f0-9]+-([a-f0-9:]+:+)+[a-f0-9]+', ipv6_range):
+            for tmp in ipv6_range.split('-'):
+                if not is_ipv6(tmp):
+                    sys.exit(1)
+
+    sys.exit(0)
diff --git a/src/validators/ipv6-range-exclude b/src/validators/ipv6-range-exclude
new file mode 100755
index 000000000..912b55ae3
--- /dev/null
+++ b/src/validators/ipv6-range-exclude
@@ -0,0 +1,7 @@
+#!/bin/sh
+arg="$1"
+if [ "${arg:0:1}" != "!" ]; then
+  exit 1
+fi
+path=$(dirname "$0")
+${path}/ipv6-range "${arg:1}"