- (let loop ((msg (make-empty-message)))
- (let ((line-orig (smtp-session 'get-line)))
- (if (string? line-orig)
- (let ((line (string-downcase line-orig)))
- (print "got " line-orig)
- (cond
- ((string-prefix? "helo" line)
- (message-helo-set! msg (string-drop line (string-length "helo")))
- (smtp-session 'ok)
- (loop msg))
- ((string-prefix? "ehlo" line)
- (smtp-session 'ehlo (string-drop line (+ 1 (string-length "ehlo"))))
- (loop msg))
- ((string-prefix? "auth plain" line)
- (let* ((auth-string (string-drop line-orig (+ 1 (string-length "auth plain"))))
- (auth-decoded (base64-decode auth-string))
- (auth-list (string-split auth-decoded "\x00"))
- (user (car auth-list))
- (password (cadr auth-list)))
- (smtp-session 'set-user! user)
- (smtp-session 'set-password! password)
- (print "Attempted login, user: " user ", password: " password)
- (smtp-session 'auth-success)
- (loop msg)))
- ((string-prefix? "mail from:" line)
- (message-from-set! msg (string-drop line (string-length "mail from:")))
- (smtp-session 'ok)
- (loop msg))
- ((string-prefix? "rcpt to:" line)
- (message-to-set! msg (string-drop line (string-length "rcpt to:")))
- (smtp-session 'ok)
- (loop msg))
- ((string-prefix? "data" line)
- (smtp-session 'intermediate)
- (let text-loop ((text-line (smtp-session 'get-line))
- (text ""))
- (if (string=? "." text-line)
- (message-text-set! msg text)
- (text-loop (smtp-session 'get-line)
- (conc text text-line "\n"))))
- (process-message msg config)
- (smtp-session 'ok)
- (loop (make-empty-message)))
- ((string-prefix? "quit" line)
- (smtp-session 'close)
- 'done)
- ((string=? "" line)
- (loop msg))
- (else
- (smtp-session 'not-implemented)
- (loop msg))))
- 'done))))
-
-
-;;; Message delivery
+ (smtp-session 'send "220 " (config-host config) " " lambdamail-version)
+ (let loop ((msg (make-empty-message))
+ (received-messages '()))
+ (let ((line (smtp-session 'get-line)))
+ (when (string? line)
+ (print "got " line)
+ (cond
+ ((smtp-command? "helo" line)
+ (smtp-session 'set-helo! (smtp-command-args "helo" line))
+ (smtp-session 'send "250 ok")
+ (loop msg received-messages))
+ ((smtp-command? "ehlo" line)
+ (smtp-session 'set-helo! (smtp-command-args "helo" line))
+ (smtp-session 'send
+ "250-" (config-host config)
+ " Hello " (smtp-command-args "ehlo" line))
+ (smtp-session 'send "250 AUTH PLAIN")
+ ;; (smtp-session 'send "250 STARTTLS")
+ (loop msg received-messages))
+ ((smtp-command? "auth plain" line)
+ (let* ((auth-string (smtp-command-args "auth plain" line))
+ (auth-decoded (base64-decode auth-string))
+ (auth-list (string-split auth-decoded "\x00"))
+ (user (car auth-list))
+ (password (cadr auth-list)))
+ (smtp-session 'set-user! user)
+ (smtp-session 'set-password! password)
+ (print "Attempted login, user: " user ", password: " password)
+ (smtp-session 'send "235 authentication successful")
+ (loop msg received-messages)))
+ ((smtp-command? "mail from:" line)
+ (message-from-set! msg (smtp-command-args "mail from:" line))
+ (smtp-session 'send "250 ok")
+ (loop msg received-messages))
+ ((smtp-command? "rcpt to:" line)
+ (message-to-set! msg (smtp-command-args "rcpt to:" line))
+ (smtp-session 'send "250 ok")
+ (loop msg received-messages))
+ ((smtp-command? "data" line)
+ (smtp-session 'send "354 intermediate")
+ (let text-loop ((text (conc "Received: from " (smtp-session 'helo) "\n"
+ " by " (config-host config) "\n"
+ " for " (message-from msg)
+ "; " (time-stamp) "\n")))
+ (let ((text-line (smtp-session 'get-line)))
+ (if (string=? "." text-line)
+ (message-text-set! msg text)
+ (text-loop (conc text text-line "\n")))))
+ (message-user-set! msg (smtp-session 'user))
+ (message-password-set! msg (smtp-session 'password))
+ (smtp-session 'send "250 ok")
+ (loop (make-empty-message) (cons msg received-messages)))
+ ((smtp-command? "quit" line)
+ (smtp-session 'send "221 closing transmission channel")
+ received-messages)
+ ((string=? "" (string-trim line))
+ (loop msg received-messages))
+ (else
+ (smtp-session 'send "502 command not implemented")
+ (loop msg received-messages)))))))
+
+
+;;; Sending/Delivering messages