diff options
| -rw-r--r-- | interface-definitions/policy.xml.in | 12 | ||||
| -rwxr-xr-x | src/validators/large-community-list | 41 |
2 files changed, 51 insertions, 2 deletions
diff --git a/interface-definitions/policy.xml.in b/interface-definitions/policy.xml.in index b3510a716..b5ea2058a 100644 --- a/interface-definitions/policy.xml.in +++ b/interface-definitions/policy.xml.in @@ -315,9 +315,17 @@ <properties> <help>Regular expression to match against a large community list</help> <valueHelp> - <format><aa:nn:nn></format> - <description>Large Community value</description> + <format>ASN:NN:NN</format> + <description>BGP large-community-list filter</description> + </valueHelp> + <valueHelp> + <format>IP:NN:NN</format> + <description>BGP large-community-list filter (IPv4 address format)</description> </valueHelp> + <constraint> + <validator name="large-community-list"/> + </constraint> + <constraintErrorMessage>Malformed large-community-list</constraintErrorMessage> </properties> </leafNode> </children> diff --git a/src/validators/large-community-list b/src/validators/large-community-list new file mode 100755 index 000000000..6c9a3a148 --- /dev/null +++ b/src/validators/large-community-list @@ -0,0 +1,41 @@ +#!/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 re +import sys + +from vyos.template import is_ipv4 + +pattern = '(.*):(.*):(.*)' + +if __name__ == '__main__': + if len(sys.argv) != 2: + sys.exit(1) + + value = sys.argv[1].split(':') + if not len(value) == 3: + sys.exit(1) + + # Check if the first string is an IPv4 address + if is_ipv4(value[0]): + if value[1].isdigit() and value[2].isdigit(): + sys.exit(0) + # If first string is not an IP address it must be a number + else: + if value[0].isdigit() and value[1].isdigit() and value[2].isdigit(): + sys.exit(0) + + sys.exit(1) |