Remove more "CHECK_DISPLAY_AS_DATA()" calls and "pinfo->current_proto ="

statements.

Move the setting of the Protocol column in various dissectors before
anything is fetched from the packet, and also clear the Info column at
that point in those and some other dissectors, so that if an exception
is thrown, the columns don't reflect the previous protocol.

"Tvbuffify" the Mobile IP dissector (it took old-style arguments, and
then converted them into tvbuff arguments, so there wasn't much to do,
other than to fix references to "fd" to refer to "pinfo->fd").

In the SCTP dissector, refer to the port type and source and destination
ports through "pinfo" rather than through the global "pi", as it's a
tvbuffified dissector.

In the SMTP and Time Protocol dissectors, use "pinfo->match_port" rather
than "TCP_PORT_SMTP" when checking whether the packet is a request or
reply, just in case somebody makes a non-standard port be dissected as
SMTP or Time.  (Also, remove a bogus comment from the Time dissector; it
was probably cut-and-pasted from the TFTP dissector.)

svn path=/trunk/; revision=2938

1 files changed, 6 insertions, 6 deletions

diff --git a/packet-smtp.c b/packet-smtp.c
index ae4ca6e633..3ad8e2be84 100644
--- a/packet-smtp.c
+++ b/packet-smtp.c
@@ -1,7 +1,7 @@
 /* packet-smtp.c
  * Routines for SMTP packet disassembly
  *
- * $Id: packet-smtp.c,v 1.14 2001/01/09 06:31:43 guy Exp $
+ * $Id: packet-smtp.c,v 1.15 2001/01/25 06:14:14 guy Exp $
  *
  * Copyright (c) 2000 by Richard Sharpe <rsharpe@ns.aus.com>
  *
@@ -174,10 +174,6 @@ dissect_smtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
     gboolean                is_continuation_line;
     int                     cmdlen;
 
-    CHECK_DISPLAY_AS_DATA(proto_smtp, tvb, pinfo, tree);
-
-    pinfo->current_proto = "SMTP";
-
     /* As there is no guarantee that we will only see frames in the
      * the SMTP conversation once, and that we will see them in
      * order - in Ethereal, the user could randomly click on frames
@@ -204,10 +200,14 @@ dissect_smtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 
     /* SMTP messages have a simple format ... */
 
-    request = pinfo -> destport == TCP_PORT_SMTP;
+    request = pinfo -> destport == pinfo -> match_port;
 
     /*
      * Get the first line from the buffer.
+     *
+     * Note that "tvb_find_line_end()" will return a value that
+     * is not longer than what's in the buffer, so the
+     * "tvb_get_ptr()" call won't throw an exception.
      */
     linelen = tvb_find_line_end(tvb, offset, -1, &next_offset);
     line = tvb_get_ptr(tvb, offset, linelen);