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authorNicolas Fort <nicolasfort1988@gmail.com>2023-11-10 19:26:35 +0000
committerNicolas Fort <nicolasfort1988@gmail.com>2023-11-10 19:26:35 +0000
commitc4409d6a4e11bf2acc7b5b96888e2c471c4559e5 (patch)
treec23aff0f073c54eb7a6e35a32df2bf27ed248d15 /src/migration-scripts/firewall/12-to-13
parent1fcb8637f864e13c5208bed22f3a065b5d78f596 (diff)
downloadvyos-1x-c4409d6a4e11bf2acc7b5b96888e2c471c4559e5.tar.gz
vyos-1x-c4409d6a4e11bf2acc7b5b96888e2c471c4559e5.zip
T5729: firewall: switch to valueless in order to remove unnecessary <enable|disable> commands; log and state moved to new syntax.
Diffstat (limited to 'src/migration-scripts/firewall/12-to-13')
-rwxr-xr-xsrc/migration-scripts/firewall/12-to-1383
1 files changed, 83 insertions, 0 deletions
diff --git a/src/migration-scripts/firewall/12-to-13 b/src/migration-scripts/firewall/12-to-13
new file mode 100755
index 000000000..c2b34b2d8
--- /dev/null
+++ b/src/migration-scripts/firewall/12-to-13
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 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/>.
+
+# T5729: Switch to valueless whenever is possible.
+# From
+ # set firewall ... rule <rule> log enable
+ # set firewall ... rule <rule> state <state> enable
+ # set firewall ... rule <rule> log disable
+ # set firewall ... rule <rule> state <state> disable
+# To
+ # set firewall ... rule <rule> log
+ # set firewall ... rule <rule> state <state>
+ # Remove command if log=disable or <state>=disable
+
+import re
+
+from sys import argv
+from sys import exit
+
+from vyos.configtree import ConfigTree
+from vyos.ifconfig import Section
+
+if len(argv) < 2:
+ print("Must specify file name!")
+ exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+base = ['firewall']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+ # Nothing to do
+ exit(0)
+
+for family in ['ipv4', 'ipv6', 'bridge']:
+ if config.exists(base + [family]):
+ for hook in ['forward', 'input', 'output', 'name']:
+ if config.exists(base + [family, hook]):
+ for priority in config.list_nodes(base + [family, hook]):
+ if config.exists(base + [family, hook, priority, 'rule']):
+ for rule in config.list_nodes(base + [family, hook, priority, 'rule']):
+ # Log
+ if config.exists(base + [family, hook, priority, 'rule', rule, 'log']):
+ log_value = config.return_value(base + [family, hook, priority, 'rule', rule, 'log'])
+ config.delete(base + [family, hook, priority, 'rule', rule, 'log'])
+ if log_value == 'enable':
+ config.set(base + [family, hook, priority, 'rule', rule, 'log'])
+ # State
+ if config.exists(base + [family, hook, priority, 'rule', rule, 'state']):
+ flag_enable = 'False'
+ for state in ['established', 'invalid', 'new', 'related']:
+ if config.exists(base + [family, hook, priority, 'rule', rule, 'state', state]):
+ state_value = config.return_value(base + [family, hook, priority, 'rule', rule, 'state', state])
+ config.delete(base + [family, hook, priority, 'rule', rule, 'state', state])
+ if state_value == 'enable':
+ config.set(base + [family, hook, priority, 'rule', rule, 'state', state])
+ flag_enable = 'True'
+ if flag_enable == 'False':
+ config.delete(base + [family, hook, priority, 'rule', rule, 'state'])
+
+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) \ No newline at end of file