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ddns-scripts: fixed ovh dns record update

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OVH changed its API to update DNS records. It now requires HTTP Basic
Authorization header. As such the default ddns-script method to update
the DNS record is failing. The fix is to move DNS record updates into
its own script/package.

Signed-off-by: David Andreoletti <david@andreoletti.net>
This commit is contained in:
David Andreoletti
2025-09-30 12:51:00 +08:00
committed by Florian Eckert
parent a1e500827c
commit 104aabdd5b
3 changed files with 69 additions and 5 deletions
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36
net/ddns-scripts/Makefile
View File

@@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=ddns-scripts
PKG_VERSION:=2.8.2
PKG_RELEASE:=78
PKG_RELEASE:=79
PKG_LICENSE:=GPL-2.0
@@ -143,6 +143,21 @@ define Package/ddns-scripts-digitalocean/description
'option password' the api token generated in the DO panel
endef
define Package/ddns-scripts-ovh
$(call Package/ddns-scripts/Default)
TITLE:=Extension for OVH Dynhost
DEPENDS:=ddns-scripts +curl +openssl-util
PROVIDES:=ddns-scripts_ovh-dynhost
endef
define Package/ddns-scripts-ovh/description
Dynamic DNS Client scripts extension for ovh.com DynHost API.
The script directly updates a DNS record using the OVH DynHost API.
It requires:
'option domain' the dns domain to update the record for (eg. A-record: home.<example.com>)
'option username' the dynhost user
'option password' the dynhost password
endef
define Package/ddns-scripts-dnspod
$(call Package/ddns-scripts/Default)
@@ -423,6 +438,7 @@ define Package/ddns-scripts-services/install
rm $(1)/usr/share/ddns/default/freedns.42.pl.json
rm $(1)/usr/share/ddns/default/godaddy.com-v1.json
rm $(1)/usr/share/ddns/default/digitalocean.com-v2.json
rm $(1)/usr/share/ddns/default/ovh.com.json
rm $(1)/usr/share/ddns/default/dnspod.cn.json
rm $(1)/usr/share/ddns/default/dnspod.cn-v3.json
rm $(1)/usr/share/ddns/default/no-ip.com.json
@@ -563,6 +579,23 @@ fi
exit 0
endef
define Package/ddns-scripts-ovh/install
$(INSTALL_DIR) $(1)/usr/lib/ddns
$(INSTALL_BIN) ./files/usr/lib/ddns/update_ovh_com.sh \
$(1)/usr/lib/ddns
$(INSTALL_DIR) $(1)/usr/share/ddns/default
$(INSTALL_DATA) ./files/usr/share/ddns/default/ovh.com.json \
$(1)/usr/share/ddns/default
endef
define Package/ddns-scripts-ovh/prerm
#!/bin/sh
if [ -z "$${IPKG_INSTROOT}" ]; then
/etc/init.d/ddns stop
fi
exit 0
endef
define Package/ddns-scripts-dnspod/install
$(INSTALL_DIR) $(1)/usr/lib/ddns
@@ -857,6 +890,7 @@ $(eval $(call BuildPackage,ddns-scripts-gcp))
$(eval $(call BuildPackage,ddns-scripts-freedns))
$(eval $(call BuildPackage,ddns-scripts-godaddy))
$(eval $(call BuildPackage,ddns-scripts-digitalocean))
$(eval $(call BuildPackage,ddns-scripts-ovh))
$(eval $(call BuildPackage,ddns-scripts-dnspod))
$(eval $(call BuildPackage,ddns-scripts-dnspod-v3))
$(eval $(call BuildPackage,ddns-scripts-noip))

32
net/ddns-scripts/files/usr/lib/ddns/update_ovh_com.sh Normal file
View File

@@ -0,0 +1,32 @@
# Script for sending user defined updates using the OVH Dynhost API
# 2025 David Andreoletti <david at andreoletti dot net>
# Options passed from /etc/config/ddns:
# Domain - the domain name managed by OVH (e.g. example.com)
# Username - the dynhost username of the domain (e.g. myrouter)
# Password - the dynhost password of the domain
. /usr/share/libubox/jshn.sh
# base64 encoding
http_basic_encoding() {
local user="$1"
local password="$2"
echo "${user}:${password}" | openssl base64
}
[ -z "$domain" ] && write_log 14 "Service section not configured correctly! Missing domain name as 'Domain'"
[ -z "$username" ] && write_log 14 "Service section not configured correctly! Missing username as 'Username'"
[ -z "$password" ] && write_log 14 "Service section not configured correctly! Missing password as 'Password'"
__STATUS=$(curl -Ss -X GET "https://dns.eu.ovhapis.com/nic/update?system=dyndns&hostname=${domain}&myip=${__IP}" \
-H "Authorization: Basic $(http_basic_encoding "$username" "$password")" \
-w "%{response_code}\n" -o $DATFILE 2>$ERRFILE)
if [ $? -ne 0 ]; then
write_log 14 "Curl failed: $(cat $ERRFILE)"
return 1
elif [ -z $__STATUS ] || [ $__STATUS != 200 ]; then
write_log 14 "Curl failed: $__STATUS \novh.com answered: $(cat $DATFILE)"
return 1
fi

6
net/ddns-scripts/files/usr/share/ddns/default/ovh.com.json
View File

@@ -1,11 +1,9 @@
{
"name": "ovh.com",
"ipv4": {
"url": "https://[USERNAME]:[PASSWORD]@dns.eu.ovhapis.com/nic/update?system=dyndns&hostname=[DOMAIN]&myip=[IP]",
"answer": "good|nochg"
"url": "update_ovh_com.sh"
},
"ipv6": {
"url": "https://[USERNAME]:[PASSWORD]@dns.eu.ovhapis.com/nic/update?system=dyndns&hostname=[DOMAIN]&myip=[IP]",
"answer": "good|nochg"
"url": "update_ovh_com.sh"
}
}