[balsa/gtk3] Use only the basename of an attachment's filename

[Peter Bloomfield <peterb src gnome org>]

commit c7d1b7fd85fc64443707f9c96398ee6eecba1503
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Sep 21 15:07:29 2015 -0400

    Use only the basename of an attachment's filename
    
        * libbalsa/body.c (libbalsa_message_body_save_temporary): use
        only the basename of an attachment's filename.

 ChangeLog       |    5 +++++
 libbalsa/body.c |    7 ++++++-
 2 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 8919ec0..f8e9a2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-09-21  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       * libbalsa/body.c (libbalsa_message_body_save_temporary): use
+       only the basename of an attachment's filename.
+
 2015-07-23  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Fix the image-loading option for HTML message parts
diff --git a/libbalsa/body.c b/libbalsa/body.c
index bac3c66..f6f3e54 100644
--- a/libbalsa/body.c
+++ b/libbalsa/body.c
@@ -366,8 +366,13 @@ libbalsa_message_body_save_temporary(LibBalsaMessageBody * body, GError **err)
                             LIBBALSA_MAILBOX_TEMPDIR_ERROR,
                             "Failed to create temporary directory");
             } else {
+                gchar *basename;
+
+                basename = g_path_get_basename(filename);
                 body->temp_filename =
-                    g_build_filename(tempdir, filename, NULL);
+                    g_build_filename(tempdir, basename, NULL);
+                g_free(basename);
+
                 fd = open(body->temp_filename,
                           O_WRONLY | O_EXCL | O_CREAT,
                           S_IRUSR);