From 4db1260dc50d1984101a008b14d17cb893782827 Mon Sep 17 00:00:00 2001
From: olli <olli@gabosh.net>
Date: Sun, 10 Jul 2022 10:50:57 +0200
Subject: [PATCH] first commit

---
 README.md |   0
 dedyn.yml | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 README.md
 create mode 100644 dedyn.yml

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/dedyn.yml b/dedyn.yml
new file mode 100644
index 0000000..18eb80d
--- /dev/null
+++ b/dedyn.yml
@@ -0,0 +1,103 @@
+---
+- name: desec dyndns
+  hosts: all
+  tasks:
+    - name: Needed software
+      apt:
+        name:
+          - curl
+        update_cache: no
+        install_recommends: no
+
+    - name: /usr/local/sbin/dedyn.sh
+      blockinfile:
+        path: /usr/local/sbin/dedyn.sh
+        mode: "0500"
+        owner: root
+        group: root
+        create: yes
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          . /etc/bash/gaboshlib.include
+          g_lockfile
+
+          # deDyn/deSEC-Settings
+          [ -f /usr/local/etc/dedyn.conf ] || exit 0
+          . /usr/local/etc/dedyn.conf
+
+          dedyndns="ns2.desec.org. ns1.desec.io."
+
+
+          # Get IP(s)
+          if ! [ -z $doipv6 ]
+          then
+            # IPv6 (and maybe IPv4)
+            ipv6=$(curl https://checkipv6.dedyn.io/ 2>/dev/null)
+            g_valid_ipv6 "$ipv6" || g_echo_error_exit "Didn't receive a vaild IPv6-address: $ipv6"
+          fi
+          if ! echo $doipv6 | grep -q "only"
+          then
+            # IPv4 and IPv6
+            ipv4=$(curl https://checkipv4.dedyn.io/ 2>/dev/null)
+            g_valid_ipv4 "$ipv4" || g_echo_error_exit "Didn't receive a vaild IPv4-address: $ipv4"
+          fi
+
+          # Get Updateserver and string
+          updatesrv=update.dedyn.io
+          if echo $doipv6 | grep -q "only"
+          then
+            # Only IPv6
+            updatesrv=update6.dedyn.io
+            updatestring="myipv6=${ipv6}"
+          elif ! [ -z $doipv6 ]
+          then
+            # IPv4 and IPv6
+            updatestring="myipv4=${ipv4}&myipv6=${ipv6}"
+          else
+            updatestring="myipv4=${ipv4}"
+          fi
+
+          for dynaddr in ${dedynhosts}
+          do
+            dynaddr="${dynaddr}.dedyn.io"
+            host ${dynaddr} ${dedyndns} >"$g_tmp/${dynaddr}"
+            for ip in ${ipv4} ${ipv6}
+            do
+              if egrep -q "${ip}" $g_tmp/${dynaddr}
+              then
+                g_echo_ok "DynDNS IP ${ip} for ${dynaddr} up2date"
+              else
+                g_echo_ok "Renewing DynDNS IP ${ip} for ${dynaddr}"
+          #      if curl -i "https://${updatesrv}/?hostname=${dynaddr}&myipv4=${ipv4}" --header "Authorization: Token ${dedynpw}"
+          #      if curl -i "https://${updatesrv}/?hostname=${dynaddr}&myipv4=${ipv4}&myipv6=${ipv6}" --header "Authorization: Token ${dedynpw}"
+                if curl -i "https://${updatesrv}/?hostname=${dynaddr}&${updatestring}" --header "Authorization: Token ${dedynpw}"
+                then
+                  g_echo_ok "DynDNS IP ${ip} for ${dynaddr} renewed"
+                else
+                  g_echo_error "DynDNS IP ${ip} for ${dynaddr}"
+                fi
+                sleep $(shuf -i 61-120 -n 1)
+              fi
+            done
+          done
+        backup: yes
+        validate: /bin/bash -n %s
+
+    - name: /usr/local/sbin/dedyn.sh shebang
+      lineinfile:
+        path: /usr/local/sbin/dedyn.sh
+        insertbefore: BOF
+        line: "#!/bin/bash"
+
+    - name: /etc/cron.d/dedyn_local
+      blockinfile:
+        path: /etc/cron.d/dedyn_local
+        create: yes
+        mode: 0644
+        owner: root
+        group: root
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          */30 * * * * root /usr/local/sbin/dedyn.sh >/dev/null 2>&1
+        backup: yes
+