Ubiquiti removed keytool (and java) from recent releases of Unifi OS. This moves from keytool to openssl's native pkcs12.
Tested on Unifi Dream Machine which runs Unifi OS and a built-in Unifi controller.
Also added backup of existing files prior to change in case anything goes wrong, and update system configuration with compatible ciphers.
+ShellCheck
+ACME v2 compatible
Example:
- Fist create 2 new TXT records on _acme-challenge.example.com
- Now note the ID in (...) from the edit page behind "_acme-challenge.example.com"
export SELFHOSTDNS_USERNAME=myname
export SELFHOSTDNS_PASSWORD=mypass
export SELFHOSTDNS_RID=id_of_txt_record
export SELFHOSTDNS_RID2=id_of_second_txt_record
acme.sh --issue -d example.com --dns dns_selfhost
