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-rwxr-xr-xsrc/migration-scripts/firewall/5-to-663
1 files changed, 63 insertions, 0 deletions
diff --git a/src/migration-scripts/firewall/5-to-6 b/src/migration-scripts/firewall/5-to-6
new file mode 100755
index 000000000..ccb86830a
--- /dev/null
+++ b/src/migration-scripts/firewall/5-to-6
@@ -0,0 +1,63 @@
+#!/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/>.
+
+# T3090: migrate "firewall options interface <name> adjust-mss" to the
+# individual interface.
+
+from sys import argv
+from sys import exit
+
+from vyos.configtree import ConfigTree
+from vyos.ifconfig import Section
+
+if (len(argv) < 1):
+ print("Must specify file name!")
+ exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+base = ['firewall', 'options', 'interface']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+ # Nothing to do
+ exit(0)
+
+for interface in config.list_nodes(base):
+ if config.exists(base + [interface, 'disable']):
+ continue
+
+ if config.exists(base + [interface, 'adjust-mss']):
+ section = Section.section(interface)
+ tmp = config.return_value(base + [interface, 'adjust-mss'])
+ config.set(['interfaces', section, interface, 'ip', 'adjust-mss'], value=tmp)
+
+ if config.exists(base + [interface, 'adjust-mss6']):
+ section = Section.section(interface)
+ tmp = config.return_value(base + [interface, 'adjust-mss6'])
+ config.set(['interfaces', section, interface, 'ipv6', 'adjust-mss'], value=tmp)
+
+config.delete(['firewall', 'options'])
+
+try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ exit(1)