diff options
-rw-r--r-- | data/templates/openvpn/server.conf.j2 | 9 | ||||
-rw-r--r-- | interface-definitions/include/version/openvpn-version.xml.i | 3 | ||||
-rw-r--r-- | interface-definitions/interfaces-openvpn.xml.in | 24 | ||||
-rw-r--r-- | interface-definitions/xml-component-version.xml.in | 1 | ||||
-rw-r--r-- | src/migration-scripts/openvpn/0-to-1 | 49 |
5 files changed, 58 insertions, 28 deletions
diff --git a/data/templates/openvpn/server.conf.j2 b/data/templates/openvpn/server.conf.j2 index 2eb9416fe..746155c37 100644 --- a/data/templates/openvpn/server.conf.j2 +++ b/data/templates/openvpn/server.conf.j2 @@ -205,19 +205,12 @@ tls-server {% if encryption is vyos_defined %} {% if encryption.cipher is vyos_defined %} cipher {{ encryption.cipher | openvpn_cipher }} -{% if encryption.cipher is vyos_defined('bf128') %} -keysize 128 -{% elif encryption.cipher is vyos_defined('bf256') %} -keysize 256 -{% endif %} {% endif %} {% if encryption.ncp_ciphers is vyos_defined %} data-ciphers {{ encryption.ncp_ciphers | openvpn_ncp_ciphers }} {% endif %} {% endif %} -# https://vyos.dev/T5027 -# Required to support BF-CBC (default ciphername when none given) -providers legacy default +providers default {% if hash is vyos_defined %} auth {{ hash }} diff --git a/interface-definitions/include/version/openvpn-version.xml.i b/interface-definitions/include/version/openvpn-version.xml.i new file mode 100644 index 000000000..f2f60dcd6 --- /dev/null +++ b/interface-definitions/include/version/openvpn-version.xml.i @@ -0,0 +1,3 @@ +!-- include start from include/version/openvpn-version.xml.i --> +<syntaxVersion component='openvpn' version='1'></syntaxVersion> +<!-- include end --> diff --git a/interface-definitions/interfaces-openvpn.xml.in b/interface-definitions/interfaces-openvpn.xml.in index 831659250..b8b04334c 100644 --- a/interface-definitions/interfaces-openvpn.xml.in +++ b/interface-definitions/interfaces-openvpn.xml.in @@ -48,29 +48,17 @@ <properties> <help>Standard Data Encryption Algorithm</help> <completionHelp> - <list>none des 3des bf128 bf256 aes128 aes128gcm aes192 aes192gcm aes256 aes256gcm</list> + <list>none 3des aes128 aes128gcm aes192 aes192gcm aes256 aes256gcm</list> </completionHelp> <valueHelp> <format>none</format> <description>Disable encryption</description> </valueHelp> <valueHelp> - <format>des</format> - <description>DES algorithm</description> - </valueHelp> - <valueHelp> <format>3des</format> <description>DES algorithm with triple encryption</description> </valueHelp> <valueHelp> - <format>bf128</format> - <description>Blowfish algorithm with 128-bit key</description> - </valueHelp> - <valueHelp> - <format>bf256</format> - <description>Blowfish algorithm with 256-bit key</description> - </valueHelp> - <valueHelp> <format>aes128</format> <description>AES algorithm with 128-bit key CBC</description> </valueHelp> @@ -95,7 +83,7 @@ <description>AES algorithm with 256-bit key GCM</description> </valueHelp> <constraint> - <regex>(none|des|3des|bf128|bf256|aes128|aes128gcm|aes192|aes192gcm|aes256|aes256gcm)</regex> + <regex>(none|3des|aes128|aes128gcm|aes192|aes192gcm|aes256|aes256gcm)</regex> </constraint> </properties> </leafNode> @@ -103,17 +91,13 @@ <properties> <help>Cipher negotiation list for use in server or client mode</help> <completionHelp> - <list>none des 3des aes128 aes128gcm aes192 aes192gcm aes256 aes256gcm</list> + <list>none 3des aes128 aes128gcm aes192 aes192gcm aes256 aes256gcm</list> </completionHelp> <valueHelp> <format>none</format> <description>Disable encryption</description> </valueHelp> <valueHelp> - <format>des</format> - <description>DES algorithm</description> - </valueHelp> - <valueHelp> <format>3des</format> <description>DES algorithm with triple encryption</description> </valueHelp> @@ -142,7 +126,7 @@ <description>AES algorithm with 256-bit key GCM</description> </valueHelp> <constraint> - <regex>(none|des|3des|aes128|aes128gcm|aes192|aes192gcm|aes256|aes256gcm)</regex> + <regex>(none|3des|aes128|aes128gcm|aes192|aes192gcm|aes256|aes256gcm)</regex> </constraint> <multi/> </properties> diff --git a/interface-definitions/xml-component-version.xml.in b/interface-definitions/xml-component-version.xml.in index 8c9e816d1..cae3423dc 100644 --- a/interface-definitions/xml-component-version.xml.in +++ b/interface-definitions/xml-component-version.xml.in @@ -19,6 +19,7 @@ #include <include/version/ids-version.xml.i> #include <include/version/ipoe-server-version.xml.i> #include <include/version/ipsec-version.xml.i> + #include <include/version/openvpn-version.xml.i> #include <include/version/isis-version.xml.i> #include <include/version/l2tp-version.xml.i> #include <include/version/lldp-version.xml.i> diff --git a/src/migration-scripts/openvpn/0-to-1 b/src/migration-scripts/openvpn/0-to-1 new file mode 100644 index 000000000..24bb38d3c --- /dev/null +++ b/src/migration-scripts/openvpn/0-to-1 @@ -0,0 +1,49 @@ +#!/usr/bin/env python3 + +# Removes outdated ciphers (DES and Blowfish) from OpenVPN configs + +import sys + +from vyos.configtree import ConfigTree + +if len(sys.argv) < 2: + print("Must specify file name!") + sys.exit(1) + +file_name = sys.argv[1] + +with open(file_name, 'r') as f: + config_file = f.read() + +config = ConfigTree(config_file) + +if not config.exists(['interfaces', 'openvpn']): + # Nothing to do + sys.exit(0) +else: + ovpn_intfs = config.list_nodes(['interfaces', 'openvpn']) + for i in ovpn_intfs: + # Remove DES and Blowfish from 'encryption cipher' + cipher_path = ['interfaces', 'openvpn', i, 'encryption', 'cipher'] + if config.exists(cipher_path): + cipher = config.return_value(cipher_path) + if cipher in ['des', 'bf128', 'bf256']: + config.delete(cipher_path) + + ncp_cipher_path = ['interfaces', 'openvpn', i, 'encryption', 'ncp-ciphers'] + if config.exists(ncp_cipher_path): + ncp_ciphers = config.return_values(['interfaces', 'openvpn', i, 'encryption', 'ncp-ciphers']) + if 'des' in ncp_ciphers: + config.delete_value(['interfaces', 'openvpn', i, 'encryption', 'ncp-ciphers'], 'des') + + # Clean up the encryption subtree if the migration procedure left it empty + if config.exists(['interfaces', 'openvpn', i, 'encryption']) and \ + (config.list_nodes(['interfaces', 'openvpn', i, 'encryption']) == []): + config.delete(['interfaces', 'openvpn', i, 'encryption']) + + 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)) + sys.exit(1) |