From 5070bd4296cc2ada1bc250cbce4272c56b96feef Mon Sep 17 00:00:00 2001
From: xlammertink <xlammertink@deloitte.nl>
Date: Fri, 3 Jan 2020 10:17:04 +0100
Subject: [PATCH] Added OVH DynHost support

---
 README.md                |  1 +
 RELEASENOTE              |  1 +
 ddclient                 | 89 ++++++++++++++++++++++++++++++++++++++++
 sample-etc_ddclient.conf |  9 ++++
 4 files changed, 100 insertions(+)

diff --git a/README.md b/README.md
index ba8e366..ab7efd1 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ Dynamic DNS services currently supported include:
     DNS Made Easy - See https://dnsmadeeasy.com/ for details
     DonDominio  - See https://www.dondominio.com for details
     NearlyFreeSpeech.net - See https://www.nearlyfreespeech.net/services/dns for details
+    OVH         - See https://www.ovh.com for details
 
 DDclient now supports many of cable/dsl broadband routers.
 
diff --git a/RELEASENOTE b/RELEASENOTE
index c381dab..149ef06 100644
--- a/RELEASENOTE
+++ b/RELEASENOTE
@@ -11,6 +11,7 @@ A detailed overview can be found in git log but here's a quick overview:
 	* updated fritzbox instructions
 	* fixed multidomain support for namecheap
 	* fixed support for Yandex
+	* added support for OVH DynHost
 
 A very big thank you for everyone who created a pull request on github and
 for everyone who helped to fix the little issues caused by the new providers.
diff --git a/ddclient b/ddclient
index f474735..f2943f3 100755
--- a/ddclient
+++ b/ddclient
@@ -490,6 +490,12 @@ my %variables = (
     'dondominio-common-defaults' => {
         'server'              => setv(T_FQDNP,  1, 0, 1, 'dondns.dondominio.com', undef),
     },
+    'ovh-common-defaults' => {
+        'server'              => setv(T_FQDNP,  1, 0, 1, 'www.ovh.com',       undef),
+        'script'              => setv(T_STRING, 1, 1, 1, '/nic/update',       undef),
+        'login'               => setv(T_LOGIN,  1, 0, 1, '',                  undef),
+        'password'            => setv(T_PASSWD, 1, 0, 1, '',                  undef),
+    },
 );
 my %services = (
     'dyndns1' => {
@@ -720,6 +726,15 @@ my %services = (
             $variables{'service-common-defaults'},
         ),
     },
+    'ovh' => {
+        'updateable' => undef,
+        'update'     => \&nic_ovh_update,
+        'examples'   => \&nic_ovh_examples,
+        'variables'  => merge(
+            $variables{'ovh-common-defaults'},
+            $variables{'service-common-defaults'},
+        ),
+    },
 );
 $variables{'merged'} = merge($variables{'global-defaults'},
     $variables{'service-common-defaults'},
@@ -5055,6 +5070,80 @@ sub nic_dnsmadeeasy_update {
     }
 }
 
+######################################################################
+## nic_ovh_examples
+######################################################################
+sub nic_ovh_examples {
+    return <<"EoEXAMPLE";
+
+o 'ovh'
+
+The 'ovh' protocol is used by DNS services offered by www.ovh.com.
+
+API information and user instructions available at: https://docs.ovh.com/gb/en/domains/hosting_dynhost/
+
+Configuration variables applicable to the 'ovh' protocol are:
+  protocol=ovh                 ##
+  login=dnsdomain-userid       ## The username/id registered with the service
+  password=userid-password     ## The password related to the username/id
+  fully.qualified.host         ## the hostiname registered with the service.
+
+Example ${program}.conf file entries:
+  ## single host update
+  protocol=ovh,                   \\
+  login=example.com-dynhostuser,  \\
+  password=your_password,         \\
+  test.example.com
+
+EoEXAMPLE
+}
+
+######################################################################
+## nic_ovh_update
+######################################################################
+sub nic_ovh_update {
+    debug("\nnic_ovh_update -------------------");
+
+    ## update each configured host
+    ## should improve to update in one pass
+    foreach my $h (@_) {
+        my $ip = delete $config{$h}{'wantip'};
+        info("setting IP address to %s for %s", $ip, $h);
+        verbose("UPDATE:","updating %s", $h);
+
+        # Set the URL that we're going to update
+        my $url;
+        $url .= "https://$config{$h}{'server'}$config{$h}{'script'}?system=dyndns";
+        $url .= "&hostname=$h";
+        $url .= "&myip=";
+        $url .= $ip if $ip;
+
+        my $reply = geturl(opt('proxy'), $url, "$config{$h}{'login'}", "$config{$h}{'password'}");
+
+        if (!defined($reply) || !$reply) {
+            failed("updating %s: Could not connect to %s.", $h, $config{$h}{'server'});
+            next;
+        }
+
+        my @reply = split /\n/, $reply;
+        my $returned = pop(@reply);
+        if ($returned =~ /good/ || $returned =~ /nochg/) {
+            $config{$h}{'ip'}     = $ip;
+            $config{$h}{'mtime'}  = $now;
+            $config{$h}{'status'} = 'good';
+            if ($returned =~ /good/) {
+                success("updating %s: good: IP address set to %s", $h, $ip);
+            } else {
+                success("updating %s: skipped: IP address was already set to %s.", $h, $ip);
+            }
+        } else {
+            $config{$h}{'status'} = 'failed';
+            failed("updating %s: Server said: '$returned'", $h);
+        }
+    }
+}
+
+
 ######################################################################
 # vim: ai et ts=4 sw=4 tw=78:
 
diff --git a/sample-etc_ddclient.conf b/sample-etc_ddclient.conf
index 3381f60..27b09c0 100644
--- a/sample-etc_ddclient.conf
+++ b/sample-etc_ddclient.conf
@@ -279,9 +279,18 @@ ssl=yes					# use ssl-support.  Works with
 # password=yandex-pdd-token             \
 # my.domain.tld,other.domain.tld        \
 
+##
 ## DNS Made Easy (https://dnsmadeeasy.com)
 ##
 # protocol=dnsmadeeasy,
 # login=your-account-email-address
 # password=your-generated-password
 # your-numeric-record-id-1,your-numeric-record-id-2,...
+
+##
+## OVH DynHost (https://ovh.com)
+##
+# protocol=ovh,
+# login=example.com-dynhostuser,
+# password=your_password
+# test.example.com