From 0c42107faa0fb4fedccab6746bf90a0f02b86bc9 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Mon, 14 May 2018 11:17:40 +0200
Subject: T632: allow multiple algoorithms for: Ciper, KEX, MACs

---
 interface-definitions/ssh.xml    |  9 ++++++---
 src/conf-mode/vyos-config-ssh.py | 18 ++++++------------
 2 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/interface-definitions/ssh.xml b/interface-definitions/ssh.xml
index 7b16939c6..79dff0548 100644
--- a/interface-definitions/ssh.xml
+++ b/interface-definitions/ssh.xml
@@ -57,10 +57,11 @@
           </leafNode>
           <leafNode name="ciphers">
             <properties>
-              <help>Allowed ciphers</help>
+              <help>Specifies allowed Ciphers</help>
               <completionHelp>
                 <script>ssh -Q cipher | tr '\n' ' '</script>
               </completionHelp>
+              <multi/>
             </properties>
           </leafNode>
           <leafNode name="disable-host-validation">
@@ -75,10 +76,11 @@
           </leafNode>
           <leafNode name="key-exchange">
             <properties>
-              <help>Key exchange algorithms</help>
+              <help>Specifies available KEX (Key Exchange) algorithms</help>
               <completionHelp>
                 <script>ssh -Q kex | tr '\n' ' '</script>
               </completionHelp>
+              <multi/>
             </properties>
           </leafNode>
           <leafNode name="listen-address">
@@ -126,10 +128,11 @@
           </leafNode>
           <leafNode name="mac">
             <properties>
-              <help>Allowed message authentication algorithms</help>
+                <help>Specifies available MAC (message authentication code) algorithms</help>
               <completionHelp>
                 <script>ssh -Q mac | tr '\n' ' '</script>
               </completionHelp>
+              <multi/>
             </properties>
           </leafNode>
           <leafNode name="port">
diff --git a/src/conf-mode/vyos-config-ssh.py b/src/conf-mode/vyos-config-ssh.py
index e7528ae83..d09219caa 100755
--- a/src/conf-mode/vyos-config-ssh.py
+++ b/src/conf-mode/vyos-config-ssh.py
@@ -89,7 +89,7 @@ ListenAddress {{ a }}
 # Specifies the ciphers allowed. Multiple ciphers must be comma-separated.
 #
 # NOTE: As of now, there is no 'multi' node for 'ciphers', thus we have only one :/
-Ciphers {{ ciphers }}
+Ciphers {{ ciphers | join(",") }}
 {% endif %}
 
 {% if mac -%}
@@ -98,7 +98,7 @@ Ciphers {{ ciphers }}
 # comma-separated.
 #
 # NOTE: As of now, there is no 'multi' node for 'mac', thus we have only one :/
-MACs {{ mac }}
+MACs {{ mac | join(",") }}
 {% endif %}
 
 {% if key_exchange -%}
@@ -106,7 +106,7 @@ MACs {{ mac }}
 # be comma-separated.
 #
 # NOTE: As of now, there is no 'multi' node for 'key-exchange', thus we have only one :/
-KexAlgorithms {{ key_exchange }}
+KexAlgorithms {{ key_exchange | join(",") }}
 {% endif %}
 
 {% if allow_users -%}
@@ -175,9 +175,7 @@ def get_config():
         ssh['allow-root'] = 'yes'
 
     if conf.exists('ciphers'):
-        # TODO: OpenSSH supports having multiple Ciphers configured. VyOS CLI
-        # yet has no multi node for this. See T632 in phabricator.
-        ciphers = conf.return_value('ciphers')
+        ciphers = conf.return_values('ciphers')
         ssh.setdefault('ciphers', ciphers)
 
     if conf.exists('disable-host-validation'):
@@ -187,9 +185,7 @@ def get_config():
         ssh['password_authentication'] = 'no'
 
     if conf.exists('key-exchange'):
-        # TODO: OpenSSH supports having multiple KEYX methods configured. VyOS CLI
-        # yet has no multi node for this. See T632 in phabricator.
-        kex = conf.return_value('key-exchange')
+        kex = conf.return_values('key-exchange')
         ssh.setdefault('key_exchange', kex)
 
     if conf.exists('listen-address'):
@@ -208,9 +204,7 @@ def get_config():
         ssh['log_level'] = conf.return_value('loglevel')
 
     if conf.exists('mac'):
-        # TODO: OpenSSH supports having multiple MACs configured. VyOS CLI
-        # yet has no multi node for this. See T632 in phabricator.
-        mac = conf.return_value('mac')
+        mac = conf.return_values('mac')
         ssh.setdefault('mac', mac)
 
     if conf.exists('port'):
-- 
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