[Draft] auth: don't start pam conversation before the initial input happens #409
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After realizing that pam modules sometimes implement a timeout, i think it is not worth starting the convo it right away.
Now you won't get the initial PAM_PROMPT any more. Prompt will be initialized to "Password: ", which is most commonly what you get from pam. Subsequent prompts (e.g. 2fa) will be handled however.