X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fpop3.el;h=dd88de3d0c350f00a50b0d802b9b146534c780fa;hb=3ad5943c4ad67b4f8d556436b31c3ca8bc4b5064;hp=750c2b6c70c99d3814228f63004e5133f1037eb3;hpb=97063e29f85dc31ea55a1483a6dbe97028d9a419;p=elisp%2Fgnus.git-

diff --git a/lisp/pop3.el b/lisp/pop3.el
index 750c2b6..dd88de3 100644
--- a/lisp/pop3.el
+++ b/lisp/pop3.el
@@ -1,10 +1,11 @@
 ;;; pop3.el --- Post Office Protocol (RFC 1460) interface
 
-;; Copyright (C) 1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 97, 98, 1999 Free Software Foundation, Inc.
 
 ;; Author: Richard L. Pieri <ratinox@peorth.gweep.net>
-;; Keywords: mail, pop3
-;; Version: 1.3h
+;; Maintainer: FSF
+;; Keywords: mail
+;; Version: 1.3s
 
 ;; This file is part of GNU Emacs.
 
@@ -35,11 +36,10 @@
 ;;; Code:
 
 (require 'mail-utils)
-(provide 'pop3)
 
-(defconst pop3-version "1.3h")
+(defconst pop3-version "1.3s")
 
-(defvar pop3-maildrop (or user-login-name (getenv "LOGNAME") (getenv "USER") nil)
+(defvar pop3-maildrop (or (user-login-name) (getenv "LOGNAME") (getenv "USER") nil)
   "*POP3 maildrop.")
 (defvar pop3-mailhost (or (getenv "MAILHOST") nil)
   "*POP3 mailhost.")
@@ -60,6 +60,9 @@ values are 'apop.")
   "Timestamp returned when initially connected to the POP server.
 Used for APOP authentication.")
 
+(defvar pop3-movemail-file-coding-system nil
+  "Coding system for the crashbox made by `pop3-movemail'.")
+
 (defvar pop3-read-point nil)
 (defvar pop3-debug nil)
 
@@ -83,47 +86,48 @@ Used for APOP authentication.")
 	  ((equal 'pass pop3-authentication-scheme)
 	   (pop3-user process pop3-maildrop)
 	   (pop3-pass process))
-	  (t (error "Invalid POP3 authentication scheme.")))
+	  (t (error "Invalid POP3 authentication scheme")))
     (setq message-count (car (pop3-stat process)))
-    (while (<= n message-count)
-      (message (format "Retrieving message %d of %d from %s..."
-		       n message-count pop3-mailhost))
-      (pop3-retr process n crashbuf)
-      (save-excursion
-	(set-buffer crashbuf)
-	(append-to-file (point-min) (point-max) crashbox)
-	(set-buffer (process-buffer process))
-	(while (> (buffer-size) 5000)
-	  (goto-char (point-min))
-	  (forward-line 50)
-	  (delete-region (point-min) (point))))
-      (pop3-dele process n)
-      (setq n (+ 1 n))
-      (if pop3-debug (sit-for 1) (sit-for 0.1))
-      )
-    (pop3-quit process)
+    (unwind-protect
+	(while (<= n message-count)
+	  (message (format "Retrieving message %d of %d from %s..."
+			   n message-count pop3-mailhost))
+	  (pop3-retr process n crashbuf)
+	  (save-excursion
+	    (set-buffer crashbuf)
+	    (let ((coding-system-for-write pop3-movemail-file-coding-system))
+	      (write-region (point-min) (point-max) crashbox t 'nomesg))
+	    (set-buffer (process-buffer process))
+	    (while (> (buffer-size) 5000)
+	      (goto-char (point-min))
+	      (forward-line 50)
+	      (delete-region (point-min) (point))))
+	  (pop3-dele process n)
+	  (setq n (+ 1 n))
+	  (if pop3-debug (sit-for 1) (sit-for 0.1))
+	  )
+      (pop3-quit process))
     (kill-buffer crashbuf)
     )
-  )
+  t)
 
 (defun pop3-open-server (mailhost port)
-  "Open TCP connection to MAILHOST.
+  "Open TCP connection to MAILHOST on PORT.
 Returns the process associated with the connection."
-  (let ((process-buffer
-	 (get-buffer-create (format "trace of POP session to %s" mailhost)))
-	(process))
+  (let ((coding-system-for-read 'binary)
+	(coding-system-for-write 'binary)
+	process)
     (save-excursion
-      (set-buffer process-buffer)
-      (erase-buffer))
-    (setq process
-	  (open-network-stream "POP" process-buffer mailhost port))
-    (setq pop3-read-point (point-min))
-    (let ((response (pop3-read-response process t)))
-      (setq pop3-timestamp
-	    (substring response (or (string-match "<" response) 0)
-		       (+ 1 (or (string-match ">" response) -1)))))
-    process
-    ))
+      (set-buffer (get-buffer-create (concat " trace of POP session to %s"
+					     mailhost)))
+      (erase-buffer)
+      (setq pop3-read-point (point-min))
+      (setq process (open-network-stream "POP"(current-buffer) mailhost port))
+      (let ((response (pop3-read-response process t)))
+	(setq pop3-timestamp
+	      (substring response (or (string-match "<" response) 0)
+			 (+ 1 (or (string-match ">" response) -1)))))
+      process)))
 
 ;; Support functions
 
@@ -141,8 +145,7 @@ Returns the process associated with the connection."
 ;;      (insert command "\r\n"))
     (setq pop3-read-point (point))
     (goto-char (point-max))
-    (process-send-string process command)
-    (process-send-string process "\r\n")
+    (process-send-string process (concat command "\r\n"))
     )
 
 (defun pop3-read-response (process &optional return)
@@ -168,29 +171,15 @@ Return the response string if optional second argument is non-nil."
 	    t)
 	  )))))
 
-(defun pop3-string-to-list (string &optional regexp)
-  "Chop up a string into a list."
-  (let ((list)
-	(regexp (or regexp " "))
-	(string (if (string-match "\r" string)
-		    (substring string 0 (match-beginning 0))
-		  string)))
-    (store-match-data nil)
-    (while string
-      (if (string-match regexp string)
-	  (setq list (cons (substring string 0 (- (match-end 0) 1)) list)
-		string (substring string (match-end 0)))
-	(setq list (cons string list)
-	      string nil)))
-    (nreverse list)))
-
 (defvar pop3-read-passwd nil)
 (defun pop3-read-passwd (prompt)
   (if (not pop3-read-passwd)
-      (if (load "passwd" t)
+      (if (fboundp 'read-passwd)
 	  (setq pop3-read-passwd 'read-passwd)
-	(autoload 'ange-ftp-read-passwd "ange-ftp")
-	(setq pop3-read-passwd 'ange-ftp-read-passwd)))
+	(if (load "passwd" t)
+	    (setq pop3-read-passwd 'read-passwd)
+	  (autoload 'ange-ftp-read-passwd "ange-ftp")
+	  (setq pop3-read-passwd 'ange-ftp-read-passwd))))
   (funcall pop3-read-passwd prompt))
 
 (defun pop3-clean-region (start end)
@@ -217,8 +206,9 @@ Return the response string if optional second argument is non-nil."
 		   (looking-at "BABYL OPTIONS:") ; Babyl
 		   ))
 	  (let ((from (mail-strip-quoted-names (mail-fetch-field "From")))
-		(date (pop3-string-to-list (or (mail-fetch-field "Date")
-					       (message-make-date))))
+		(date (split-string (or (mail-fetch-field "Date")
+					(message-make-date))
+				    " "))
 		(From_))
 	    ;; sample date formats I have seen
 	    ;; Date: Tue, 9 Jul 1996 09:04:21 -0400 (EDT)
@@ -242,7 +232,15 @@ Return the response string if optional second argument is non-nil."
 	      (setq From_ (concat (substring From_ 0 (match-beginning 0))
 				  (substring From_ (match-end 0)))))
 	    (goto-char (point-min))
-	    (insert From_))))))
+	    (insert From_)
+	    (re-search-forward "\n\n")
+	    (narrow-to-region (point) (point-max))
+	    (let ((size (- (point-max) (point-min))))
+	      (goto-char (point-min))
+	      (widen)
+	      (forward-line -1)
+	      (insert (format "Content-Length: %s\n" size)))
+	    )))))
 
 ;; The Command Set
 
@@ -264,21 +262,40 @@ Return the response string if optional second argument is non-nil."
 
 (defun pop3-apop (process user)
   "Send alternate authentication information to the server."
-  (if (not (fboundp 'md5)) (autoload 'md5 "md5"))
-  (let ((hash (md5 (concat pop3-timestamp pop3-password))))
-    (pop3-send-command process (format "APOP %s %s" user hash))
-    (let ((response (pop3-read-response process t)))
-      (if (not (and response (string-match "+OK" response)))
-	  (pop3-quit process)))))
+  (let ((pass pop3-password))
+    (if (and pop3-password-required (not pass))
+	(setq pass
+	      (pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
+    (if pass
+	(let ((hash (pop3-md5 (concat pop3-timestamp pass))))
+	  (pop3-send-command process (format "APOP %s %s" user hash))
+	  (let ((response (pop3-read-response process t)))
+	    (if (not (and response (string-match "+OK" response)))
+		(pop3-quit process)))))
+    ))
 
 ;; TRANSACTION STATE
 
+(defvar pop3-md5-program "md5"
+  "*Program to encode its input in MD5.")
+
+(defun pop3-md5 (string)
+  (with-temp-buffer
+    (insert string)
+    (call-process-region (point-min) (point-max)
+			 (or shell-file-name "/bin/sh")
+			 t (current-buffer) nil
+			 "-c" pop3-md5-program)
+    ;; The meaningful output is the first 32 characters.
+    ;; Don't return the newline that follows them!
+    (buffer-substring (point-min) (+ (point-min) 32))))
+
 (defun pop3-stat (process)
   "Return the number of messages in the maildrop and the maildrop's size."
   (pop3-send-command process "STAT")
   (let ((response (pop3-read-response process t)))
-    (list (string-to-int (nth 1 (pop3-string-to-list response)))
-	  (string-to-int (nth 2 (pop3-string-to-list response))))
+    (list (string-to-int (nth 1 (split-string response " ")))
+	  (string-to-int (nth 2 (split-string response " "))))
     ))
 
 (defun pop3-list (process &optional msg)
@@ -295,12 +312,17 @@ This function currently does nothing.")
       (while (not (re-search-forward "^\\.\r\n" nil t))
 	(accept-process-output process 3)
 	;; bill@att.com ... to save wear and tear on the heap
+	;; uncommented because the condensed version below is a problem for
+	;; some.
 	(if (> (buffer-size)  20000) (sleep-for 1))
 	(if (> (buffer-size)  50000) (sleep-for 1))
 	(if (> (buffer-size) 100000) (sleep-for 1))
 	(if (> (buffer-size) 200000) (sleep-for 1))
 	(if (> (buffer-size) 500000) (sleep-for 1))
 	;; bill@att.com
+	;; condensed into:
+	;; (sometimes causes problems for really large messages.)
+;	(if (> (buffer-size) 20000) (sleep-for (/ (buffer-size) 20000)))
 	(goto-char start))
       (setq pop3-read-point (point-marker))
 ;; this code does not seem to work for some POP servers...
@@ -335,7 +357,7 @@ This function currently does nothing.")
   "Return highest accessed message-id number for the session."
   (pop3-send-command process "LAST")
   (let ((response (pop3-read-response process t)))
-    (string-to-int (nth 1 (pop3-string-to-list response)))
+    (string-to-int (nth 1 (split-string response " ")))
     ))
 
 (defun pop3-rset (process)
@@ -436,3 +458,7 @@ and close the connection."
 ;; Restrictions: none
 ;; Possible responses:
 ;;  +OK [TCP connection closed]
+
+(provide 'pop3)
+
+;;; pop3.el ends here