4 files changed, 126 insertions, 0 deletions
diff --git a/src/migration-scripts/conntrack/1-to-2 b/src/migration-scripts/conntrack/1-to-2
new file mode 100644
index 0000000..0a4fb3d
--- /dev/null
+++ b/src/migration-scripts/conntrack/1-to-2
@@ -0,0 +1,26 @@
+# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library 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 2.1 of the License, or (at your option) any later version.
+#
+# This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+
+# Delete "set system conntrack modules gre" option
+
+from vyos.configtree import ConfigTree
+
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(['system', 'conntrack', 'modules', 'gre']):
+        return
+
+    # Delete abandoned node
+    config.delete(['system', 'conntrack', 'modules', 'gre'])
diff --git a/src/migration-scripts/conntrack/2-to-3 b/src/migration-scripts/conntrack/2-to-3
new file mode 100644
index 0000000..5ad4e63
--- /dev/null
+++ b/src/migration-scripts/conntrack/2-to-3
@@ -0,0 +1,31 @@
+# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library 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 2.1 of the License, or (at your option) any later version.
+#
+# This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+
+# Conntrack syntax version 3
+# Enables all conntrack modules (previous default behaviour) and omits manually disabled modules.
+
+from vyos.configtree import ConfigTree
+
+module_path = ['system', 'conntrack', 'modules']
+
+def migrate(config: ConfigTree) -> None:
+    # Go over all conntrack modules available as of v1.3.0.
+    for module in ['ftp', 'h323', 'nfs', 'pptp', 'sip', 'sqlnet', 'tftp']:
+        # 'disable' is being phased out.
+        if config.exists(module_path + [module, 'disable']):
+            config.delete(module_path + [module])
+        # If it wasn't manually 'disable'd, it was enabled by default.
+        else:
+            config.set(module_path + [module])
diff --git a/src/migration-scripts/conntrack/3-to-4 b/src/migration-scripts/conntrack/3-to-4
new file mode 100644
index 0000000..679a260
--- /dev/null
+++ b/src/migration-scripts/conntrack/3-to-4
@@ -0,0 +1,30 @@
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library 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 2.1 of the License, or (at your option) any later version.
+#
+# This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+
+# Add support for IPv6 conntrack ignore, move existing nodes to `system conntrack ignore ipv4`
+
+from vyos.configtree import ConfigTree
+
+base = ['system', 'conntrack']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    if config.exists(base + ['ignore', 'rule']):
+        config.set(base + ['ignore', 'ipv4'])
+        config.copy(base + ['ignore', 'rule'], base + ['ignore', 'ipv4', 'rule'])
+        config.delete(base + ['ignore', 'rule'])
diff --git a/src/migration-scripts/conntrack/4-to-5 b/src/migration-scripts/conntrack/4-to-5
new file mode 100644
index 0000000..775fe74
--- /dev/null
+++ b/src/migration-scripts/conntrack/4-to-5
@@ -0,0 +1,39 @@
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library 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 2.1 of the License, or (at your option) any later version.
+#
+# This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+
+# T5779: system conntrack timeout custom
+# Before:
+#   Protocols tcp, udp and icmp allowed. When using udp it did not work
+#   Only ipv4 custom timeout rules
+# Now:
+#   Valid protocols are only tcp or udp.
+#   Extend functionality to ipv6 and move ipv4 custom rules to new node:
+#       set system conntrack timeout custom [ipv4 | ipv6] rule <rule> ...
+
+from vyos.configtree import ConfigTree
+
+base = ['system', 'conntrack']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    if config.exists(base + ['timeout', 'custom', 'rule']):
+        for rule in config.list_nodes(base + ['timeout', 'custom', 'rule']):
+            if config.exists(base + ['timeout', 'custom', 'rule', rule, 'protocol', 'tcp']):
+                config.set(base + ['timeout', 'custom', 'ipv4', 'rule'])
+                config.copy(base + ['timeout', 'custom', 'rule', rule], base + ['timeout', 'custom', 'ipv4', 'rule', rule])
+        config.delete(base + ['timeout', 'custom', 'rule'])