* mime-play.el (mime-require-safe-directory): New function.

(mime-store-message/partial-piece): Use it.

diff --git a/ChangeLog b/ChangeLog
index 9a1fe9d..dfc81db 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-12-06  Yuuichi Teranishi  <teranisi@gohome.org>
+
+       * mime-play.el  (mime-require-safe-directory): New function.
+       (mime-store-message/partial-piece): Use it.
+
 2003-12-05  Katsumi Yamaoka  <yamaoka@jpl.org>
 
        * mime-play.el (mime-store-message/partial-piece): Fix

diff --git a/mime-play.el b/mime-play.el
index a3df177..c766828 100644 (file)
--- a/mime-play.el
+++ b/mime-play.el
@@ -346,6 +346,22 @@ It is registered to variable `mime-preview-quitting-method-alist'."
 ;;; @ message/partial
 ;;;
 
+(defun mime-require-safe-directory (dir)
+  "Create a directory DIR safely.
+The permission of the created directory becomes `700' (for the owner only).
+If the directory already exists and is writable by other users, an error
+occurs."
+  (let ((orig-modes (default-file-modes)))
+    (if (file-directory-p dir)
+       (unless (or (memq system-type '(windows-nt ms-dos OS/2 emx))
+                   (eq (file-modes dir) 448))
+         (error "Invalid permission for %s" dir))
+      (unwind-protect
+         (progn
+           (set-default-file-modes 448)
+           (make-directory dir))
+       (set-default-file-modes orig-modes)))))
+
 (defun mime-store-message/partial-piece (entity cal)
   (let* ((root-dir
          (expand-file-name
@@ -356,6 +372,7 @@ It is registered to variable `mime-preview-quitting-method-alist'."
         file
         (mother (current-buffer))
         (orig-modes (default-file-modes)))
+    (mime-require-safe-directory root-dir)
     (or (file-exists-p root-dir)
        (unwind-protect
            (progn