Fix OpenConnect 8.05+ compatibility by implementing new feature:

- auto-detect openconnect version and required stdin pipe format
- support manual format specification (for future openconnect bugs)
- remove "bug.*" configuration options as they are unnecessary now

gp-okta.conf

@@ -14,16 +14,25 @@ username = myuser
 password = mypass
 #client_cert = path-to-myusers-client-cert-as-unencrypted-pem-file.pem
 
+#openconnect_certs = path-to-a-writeable-filename-in-which-the-script-will-collect-all-involved-server-certs-if-not-set-a-temp-file-is-used-instead
+
 # mfa_order = totp sms
 sms.okta = 0
 #totp.okta = ABCDEFGHIJKLMNOP
 #totp.google = ABCDEFGHIJKLMNOP
 #totp.symantec = ABCDEFGHIJKLMNOP
 
-
-#openconnect_cmd = sudo openconnect
-#openconnect_certs = path-to-a-writeable-filename-in-which-the-script-will-collect-all-involved-server-certs-if-not-set-a-temp-file-is-used-instead
-openconnect_args =                    # optional arguments to openconnect
 execute = 0                           # execute openconnect command
-bug.nl = 0                            # newline work-around for openconnect
-bug.username = 0                      # username work-around for openconnect
+openconnect_cmd = sudo openconnect    # command to run openconnect
+openconnect_args =                    # optional arguments to openconnect
+
+# "openconnect_fmt" is automatically detected by running "openconnect_cmd" -V
+# otherwise, it can be manually formatted what exactly pipe to openconect:
+# - supports <cookie>, <gateway_name>, etc
+# - other characters are provided as-is
+#
+# - for openconnect 8.05+
+#openconnect_fmt = <cookie><gateway_name><cookie>
+# - for openconnect 8.00 - 8.04
+#openconnect_fmt = <cookie><gateway_name>
+