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authoraapostoliuk <a.apostoliuk@vyos.io>2024-02-01 11:55:47 +0200
committeraapostoliuk <a.apostoliuk@vyos.io>2024-02-01 12:18:50 +0200
commit32a13411f47beffcbe4b49a869c99cb42374d729 (patch)
tree312098d3657f6cd3acf0e8870757e16a91d05296
parente13d901fd903f69dad4c02152ebb4ff4ad858c7c (diff)
downloadvyos-1x-32a13411f47beffcbe4b49a869c99cb42374d729.tar.gz
vyos-1x-32a13411f47beffcbe4b49a869c99cb42374d729.zip
bgp: T5930: Denied using rt vpn 'export/import' with 'both' together
Denied using command 'route-target vpn export/import' with 'both' together in bgp configuration.
-rw-r--r--interface-definitions/include/version/bgp-version.xml.i2
-rwxr-xr-xsrc/conf_mode/protocols_bgp.py10
-rwxr-xr-xsrc/migration-scripts/bgp/4-to-567
3 files changed, 77 insertions, 2 deletions
diff --git a/interface-definitions/include/version/bgp-version.xml.i b/interface-definitions/include/version/bgp-version.xml.i
index 1386ea9bc..6bed7189f 100644
--- a/interface-definitions/include/version/bgp-version.xml.i
+++ b/interface-definitions/include/version/bgp-version.xml.i
@@ -1,3 +1,3 @@
<!-- include start from include/version/bgp-version.xml.i -->
-<syntaxVersion component='bgp' version='4'></syntaxVersion>
+<syntaxVersion component='bgp' version='5'></syntaxVersion>
<!-- include end -->
diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py
index f6f3370c3..d90dfe45b 100755
--- a/src/conf_mode/protocols_bgp.py
+++ b/src/conf_mode/protocols_bgp.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2020-2023 VyOS maintainers and contributors
+# Copyright (C) 2020-2024 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
@@ -509,6 +509,14 @@ def verify(bgp):
if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']):
raise ConfigError(
'Command "import vrf" conflicts with "route-target vpn both" command!')
+ if dict_search('route_target.vpn.export', afi_config):
+ raise ConfigError(
+ 'Command "route-target vpn export" conflicts '\
+ 'with "route-target vpn both" command!')
+ if dict_search('route_target.vpn.import', afi_config):
+ raise ConfigError(
+ 'Command "route-target vpn import" conflicts '\
+ 'with "route-target vpn both" command!')
if dict_search('route_target.vpn.import', afi_config):
if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']):
diff --git a/src/migration-scripts/bgp/4-to-5 b/src/migration-scripts/bgp/4-to-5
new file mode 100755
index 000000000..c4eb9ec72
--- /dev/null
+++ b/src/migration-scripts/bgp/4-to-5
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 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/>.
+
+# Delete 'protocols bgp address-family ipv6-unicast route-target vpn
+# import/export', if 'protocols bgp address-family ipv6-unicast
+# route-target vpn both' exists
+
+from sys import argv
+from sys import exit
+
+from vyos.configtree import ConfigTree
+
+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()
+
+config = ConfigTree(config_file)
+
+bgp_base = ['protocols', 'bgp']
+# Delete 'import/export' in default vrf if 'both' exists
+if config.exists(bgp_base):
+ for address_family in ['ipv4-unicast', 'ipv6-unicast']:
+ rt_path = bgp_base + ['address-family', address_family, 'route-target',
+ 'vpn']
+ if config.exists(rt_path + ['both']):
+ if config.exists(rt_path + ['import']):
+ config.delete(rt_path + ['import'])
+ if config.exists(rt_path + ['export']):
+ config.delete(rt_path + ['export'])
+
+# Delete import/export in vrfs if both exists
+if config.exists(['vrf', 'name']):
+ for vrf in config.list_nodes(['vrf', 'name']):
+ vrf_base = ['vrf', 'name', vrf]
+ for address_family in ['ipv4-unicast', 'ipv6-unicast']:
+ rt_path = vrf_base + bgp_base + ['address-family', address_family,
+ 'route-target', 'vpn']
+ if config.exists(rt_path + ['both']):
+ if config.exists(rt_path + ['import']):
+ config.delete(rt_path + ['import'])
+ if config.exists(rt_path + ['export']):
+ config.delete(rt_path + ['export'])
+
+try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+except OSError as e:
+ print(f'Failed to save the modified config: {e}')
+ exit(1)