X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=lambdamail.git;a=blobdiff_plain;f=lambdamail.scm;h=25454e15d8bbed3a40a1bb2f54bedd8773700cd9;hp=90c186f8e3afbe8b58cb4cff6f2face02fd59f92;hb=388c4d83a62d86384b925e112c7106d4e739bd55;hpb=68469a9c497a0a6f2b1c4715c26d0d6665f60391

diff --git a/lambdamail.scm b/lambdamail.scm
index 90c186f..25454e1 100644
--- a/lambdamail.scm
+++ b/lambdamail.scm
@@ -17,7 +17,7 @@
         (chicken sort)
         srfi-1 srfi-13 matchable base64)
 
-(define lambdamail-version "LambdaMail v1.0.0")
+(define lambdamail-version "LambdaMail v1.1.0")
 
 (define-record config host port spool-dir user group)
 (define-record message to from text user password)
@@ -103,69 +103,70 @@
   (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)))))))
+      (print "got " line)
+      (if (not (string? line))
+          '() ; Don't keep anything on unexpected termination.
+          (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"
+                                        "\tby " (config-host config) "\n"
+                                        "\tfor " (message-to msg) ";\n"
+                                        "\t" (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
 ;;
 
 (define (deliver-messages config messages)
-  (print "**** Attempting delivery of " (length messages) " mail items.")
+  (print "*** Attempting delivery of " (length messages) " mail items.")
   (filter (lambda (msg) (not (deliver-message msg config)))
           messages))
 
@@ -198,6 +199,7 @@
        (print-error-message o)
        #t)))
 
+
 ;; Local delivery
 
 (define (get-local-addresses config)
@@ -220,6 +222,7 @@
   (print "* MESSAGE DELIVERED (local)")
   #t)
 
+
 ;; Remote delivery
 
 (define (get-domain-from-email email-string)
@@ -283,6 +286,7 @@
                                '(("\n" . "\r\n")))))
        (write-string processed-string #f tcp-out)))))
 
+
 ;;; Command line argument parsing
 ;;