1999-04-05 21:54:41 +00:00
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/* packet-pop.c
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* Routines for pop packet dissection
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2006-03-15 06:17:35 +00:00
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* RFC 1939
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1999-04-05 21:54:41 +00:00
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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2004-07-18 00:24:25 +00:00
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* $Id$
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1999-04-05 21:54:41 +00:00
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*
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2006-05-21 04:49:01 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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1999-04-05 21:54:41 +00:00
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-tftp.c
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2002-08-28 21:04:11 +00:00
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*
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1999-04-05 21:54:41 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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2002-08-28 21:04:11 +00:00
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*
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1999-04-05 21:54:41 +00:00
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2002-08-28 21:04:11 +00:00
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*
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1999-04-05 21:54:41 +00:00
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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2012-06-28 22:56:06 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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1999-04-05 21:54:41 +00:00
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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2009-08-26 19:27:49 +00:00
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#include <stdlib.h>
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1999-04-05 21:54:41 +00:00
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#include <string.h>
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#include <glib.h>
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2002-01-21 07:37:49 +00:00
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#include <epan/packet.h>
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#include <epan/strutil.h>
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2008-04-13 16:36:41 +00:00
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#include <epan/conversation.h>
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#include <epan/prefs.h>
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#include <epan/reassemble.h>
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2008-07-12 14:42:14 +00:00
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#include "packet-ssl.h"
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1999-04-05 21:54:41 +00:00
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1999-07-29 05:47:07 +00:00
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static int proto_pop = -1;
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2006-03-15 06:17:35 +00:00
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1999-11-14 10:16:25 +00:00
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static int hf_pop_response = -1;
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2006-03-15 06:17:35 +00:00
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static int hf_pop_response_indicator = -1;
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static int hf_pop_response_description = -1;
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static int hf_pop_response_data = -1;
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1999-11-14 10:16:25 +00:00
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static int hf_pop_request = -1;
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2006-03-15 06:17:35 +00:00
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static int hf_pop_request_command = -1;
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static int hf_pop_request_parameter = -1;
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static int hf_pop_request_data = -1;
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1999-07-29 05:47:07 +00:00
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2008-04-13 16:36:41 +00:00
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static int hf_pop_data_fragments = -1;
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static int hf_pop_data_fragment = -1;
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static int hf_pop_data_fragment_overlap = -1;
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static int hf_pop_data_fragment_overlap_conflicts = -1;
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static int hf_pop_data_fragment_multiple_tails = -1;
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static int hf_pop_data_fragment_too_long_fragment = -1;
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static int hf_pop_data_fragment_error = -1;
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2011-01-30 21:01:07 +00:00
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static int hf_pop_data_fragment_count = -1;
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2008-04-13 16:36:41 +00:00
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static int hf_pop_data_reassembled_in = -1;
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2010-02-02 16:01:52 +00:00
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static int hf_pop_data_reassembled_length = -1;
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2008-04-13 16:36:41 +00:00
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1999-11-16 11:44:20 +00:00
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static gint ett_pop = -1;
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2003-06-11 20:03:09 +00:00
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static gint ett_pop_reqresp = -1;
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1999-11-16 11:44:20 +00:00
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2008-04-13 16:36:41 +00:00
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static gint ett_pop_data_fragment = -1;
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static gint ett_pop_data_fragments = -1;
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2001-11-25 22:51:14 +00:00
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static dissector_handle_t data_handle;
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2008-04-13 16:36:41 +00:00
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static dissector_handle_t imf_handle = NULL;
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2012-06-13 14:56:33 +00:00
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static dissector_handle_t ssl_handle = NULL;
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2001-11-25 22:51:14 +00:00
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2012-06-13 14:56:33 +00:00
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#define TCP_PORT_POP 110
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#define TCP_PORT_SSL_POP 995
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2000-04-08 07:07:42 +00:00
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2008-04-13 16:36:41 +00:00
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/* desegmentation of POP command and response lines */
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static gboolean pop_data_desegment = TRUE;
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static GHashTable *pop_data_segment_table = NULL;
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static GHashTable *pop_data_reassembled_table = NULL;
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static const fragment_items pop_data_frag_items = {
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2009-08-04 18:39:43 +00:00
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/* Fragment subtrees */
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&ett_pop_data_fragment,
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&ett_pop_data_fragments,
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/* Fragment fields */
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&hf_pop_data_fragments,
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&hf_pop_data_fragment,
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&hf_pop_data_fragment_overlap,
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&hf_pop_data_fragment_overlap_conflicts,
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&hf_pop_data_fragment_multiple_tails,
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&hf_pop_data_fragment_too_long_fragment,
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&hf_pop_data_fragment_error,
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2011-01-30 21:01:07 +00:00
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&hf_pop_data_fragment_count,
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2009-08-04 18:39:43 +00:00
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/* Reassembled in field */
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&hf_pop_data_reassembled_in,
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2010-02-02 16:01:52 +00:00
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/* Reassembled length field */
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&hf_pop_data_reassembled_length,
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2009-08-04 18:39:43 +00:00
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/* Tag */
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"DATA fragments"
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2008-04-13 16:36:41 +00:00
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};
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struct pop_proto_data {
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guint16 conversation_id;
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gboolean more_frags;
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};
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struct pop_data_val {
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gboolean msg_request;
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guint32 msg_read_len; /* Length of RETR message read so far */
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guint32 msg_tot_len; /* Total length of RETR message */
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2012-06-13 14:56:33 +00:00
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gboolean stls_request; /* Received STLS request */
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guint32 last_nontls_frame; /* last non-TLS frame; 0 if not known or no TLS */
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2008-04-13 16:36:41 +00:00
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};
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2002-08-02 23:36:07 +00:00
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static gboolean response_is_continuation(const guchar *data);
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2002-08-28 21:04:11 +00:00
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2000-04-08 07:07:42 +00:00
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static void
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2000-11-10 08:02:34 +00:00
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dissect_pop(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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1999-04-05 21:54:41 +00:00
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{
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2010-01-19 00:37:39 +00:00
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struct pop_proto_data *frame_data_p;
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2009-08-04 18:39:43 +00:00
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gboolean is_request;
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gboolean is_continuation;
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proto_tree *pop_tree, *reqresp_tree;
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proto_item *ti;
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gint offset = 0;
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const guchar *line;
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gint next_offset;
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int linelen;
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int tokenlen;
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const guchar *next_token;
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fragment_data *frag_msg = NULL;
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tvbuff_t *next_tvb = NULL;
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conversation_t *conversation = NULL;
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struct pop_data_val *data_val = NULL;
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gint length_remaining;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "POP");
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|
2010-01-19 00:37:39 +00:00
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frame_data_p = p_get_proto_data(pinfo->fd, proto_pop);
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2009-08-04 18:39:43 +00:00
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2010-01-19 00:37:39 +00:00
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if (!frame_data_p) {
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2009-08-04 18:39:43 +00:00
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2010-05-13 18:28:34 +00:00
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conversation = find_or_create_conversation(pinfo);
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2009-08-04 18:39:43 +00:00
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data_val = conversation_get_proto_data(conversation, proto_pop);
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if (!data_val) {
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/*
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* No - create one and attach it.
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*/
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2010-01-25 11:47:39 +00:00
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data_val = se_alloc0(sizeof(struct pop_data_val));
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2010-05-13 18:28:34 +00:00
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2009-08-04 18:39:43 +00:00
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conversation_add_proto_data(conversation, proto_pop, data_val);
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}
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}
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|
2012-06-13 14:56:33 +00:00
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/* Are we doing TLS? */
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if (data_val->last_nontls_frame != 0 && pinfo->fd->num > data_val->last_nontls_frame) {
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guint16 save_can_desegment;
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guint32 save_last_nontls_frame;
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/* This is TLS, not raw POP/IMF. TLS can desegment */
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save_can_desegment = pinfo->can_desegment;
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pinfo->can_desegment = pinfo->saved_can_desegment;
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/* Make sure the SSL dissector will not be called again after decryption */
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save_last_nontls_frame = data_val->last_nontls_frame;
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data_val->last_nontls_frame = 0;
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call_dissector(ssl_handle, tvb, pinfo, tree);
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pinfo->can_desegment = save_can_desegment;
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data_val->last_nontls_frame = save_last_nontls_frame;
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return;
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}
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/*
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* Find the end of the first line.
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*
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* Note that "tvb_find_line_end()" will return a value that is
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* not longer than what's in the buffer, so the "tvb_get_ptr()"
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* call won't throw an exception.
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*/
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linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
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line = tvb_get_ptr(tvb, offset, linelen);
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if (pinfo->match_uint == pinfo->destport) {
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is_request = TRUE;
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is_continuation = FALSE;
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} else {
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is_request = FALSE;
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is_continuation = response_is_continuation(line);
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}
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|
2009-08-04 18:39:43 +00:00
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if (check_col(pinfo->cinfo, COL_INFO)) {
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/*
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* Put the first line from the buffer into the summary
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* if it's a POP request or reply (but leave out the
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* line terminator).
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* Otherwise, just call it a continuation.
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*/
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if (is_continuation) {
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length_remaining = tvb_length_remaining(tvb, offset);
|
2010-05-13 18:28:34 +00:00
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col_add_fstr(pinfo->cinfo, COL_INFO, "S: DATA fragment, %d byte%s",
|
2009-08-04 18:39:43 +00:00
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length_remaining, plurality (length_remaining, "", "s"));
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}
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else
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s", is_request ? "C" : "S",
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format_text(line, linelen));
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}
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2011-10-21 02:10:19 +00:00
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ti = proto_tree_add_item(tree, proto_pop, tvb, offset, -1, ENC_NA);
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2009-10-09 07:24:33 +00:00
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pop_tree = proto_item_add_subtree(ti, ett_pop);
|
2009-08-04 18:39:43 +00:00
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2009-10-09 07:24:33 +00:00
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if (is_continuation) {
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2009-08-04 18:39:43 +00:00
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2009-10-09 07:24:33 +00:00
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if (pop_data_desegment) {
|
2009-08-04 18:39:43 +00:00
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|
2010-01-19 00:37:39 +00:00
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if (!frame_data_p) {
|
2009-08-04 18:39:43 +00:00
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|
2009-10-09 07:24:33 +00:00
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data_val->msg_read_len += tvb_length(tvb);
|
2009-08-04 18:39:43 +00:00
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|
2010-01-19 00:37:39 +00:00
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frame_data_p = se_alloc(sizeof(struct pop_proto_data));
|
2009-08-04 18:39:43 +00:00
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|
2010-01-19 00:37:39 +00:00
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frame_data_p->conversation_id = conversation->index;
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frame_data_p->more_frags = data_val->msg_read_len < data_val->msg_tot_len;
|
2009-08-04 18:39:43 +00:00
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|
2010-05-13 18:28:34 +00:00
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p_add_proto_data(pinfo->fd, proto_pop, frame_data_p);
|
2009-10-09 07:24:33 +00:00
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}
|
2009-08-04 18:39:43 +00:00
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|
2010-05-13 18:28:34 +00:00
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frag_msg = fragment_add_seq_next(tvb, 0, pinfo,
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frame_data_p->conversation_id,
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pop_data_segment_table,
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pop_data_reassembled_table,
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tvb_length(tvb),
|
2010-01-19 00:37:39 +00:00
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frame_data_p->more_frags);
|
2009-08-04 18:39:43 +00:00
|
|
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|
2010-05-13 18:28:34 +00:00
|
|
|
next_tvb = process_reassembled_data(tvb, offset, pinfo,
|
2009-10-09 07:24:33 +00:00
|
|
|
"Reassembled DATA",
|
2010-05-13 18:28:34 +00:00
|
|
|
frag_msg, &pop_data_frag_items,
|
2009-10-09 07:24:33 +00:00
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|
|
NULL, pop_tree);
|
2009-08-04 18:39:43 +00:00
|
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|
2009-10-09 07:24:33 +00:00
|
|
|
if (next_tvb) {
|
2009-08-04 18:39:43 +00:00
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|
2009-10-09 07:24:33 +00:00
|
|
|
if (imf_handle)
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|
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call_dissector(imf_handle, next_tvb, pinfo, tree);
|
2009-08-04 18:39:43 +00:00
|
|
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|
2009-10-09 07:24:33 +00:00
|
|
|
if (data_val) {
|
|
|
|
/* we have read everything - reset */
|
2010-05-13 18:28:34 +00:00
|
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|
2009-10-09 07:24:33 +00:00
|
|
|
data_val->msg_read_len = 0;
|
2010-05-13 18:28:34 +00:00
|
|
|
data_val->msg_tot_len = 0;
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
2009-10-09 07:24:33 +00:00
|
|
|
pinfo->fragmented = FALSE;
|
2009-08-04 18:39:43 +00:00
|
|
|
} else {
|
2009-10-09 07:24:33 +00:00
|
|
|
pinfo->fragmented = TRUE;
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
2009-10-09 07:24:33 +00:00
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Put the whole packet into the tree as data.
|
|
|
|
*/
|
|
|
|
call_dissector(data_handle,tvb, pinfo, pop_tree);
|
2010-05-13 18:28:34 +00:00
|
|
|
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
2009-10-09 07:24:33 +00:00
|
|
|
return;
|
|
|
|
}
|
2009-08-04 18:39:43 +00:00
|
|
|
|
2009-10-09 07:24:33 +00:00
|
|
|
/*
|
|
|
|
* Put the line into the protocol tree.
|
|
|
|
*/
|
|
|
|
ti = proto_tree_add_string_format(pop_tree,
|
|
|
|
(is_request) ?
|
|
|
|
hf_pop_request :
|
|
|
|
hf_pop_response,
|
|
|
|
tvb, offset,
|
|
|
|
next_offset - offset,
|
|
|
|
"", "%s",
|
|
|
|
tvb_format_text(tvb, offset, next_offset - offset));
|
|
|
|
reqresp_tree = proto_item_add_subtree(ti, ett_pop_reqresp);
|
2009-08-04 18:39:43 +00:00
|
|
|
|
2009-10-09 07:24:33 +00:00
|
|
|
/*
|
|
|
|
* Extract the first token, and, if there is a first
|
|
|
|
* token, add it as the request or reply code.
|
|
|
|
*/
|
|
|
|
tokenlen = get_token_len(line, line + linelen, &next_token);
|
|
|
|
if (tokenlen != 0) {
|
|
|
|
proto_tree_add_item(reqresp_tree,
|
|
|
|
(is_request) ?
|
|
|
|
hf_pop_request_command :
|
|
|
|
hf_pop_response_indicator,
|
2011-10-27 20:30:38 +00:00
|
|
|
tvb, offset, tokenlen, ENC_ASCII|ENC_NA);
|
2009-10-09 07:24:33 +00:00
|
|
|
|
|
|
|
if (data_val) {
|
|
|
|
if (is_request) {
|
|
|
|
/* see if this is RETR or TOP command */
|
|
|
|
if (g_ascii_strncasecmp(line, "RETR", 4) == 0 ||
|
|
|
|
g_ascii_strncasecmp(line, "TOP", 3) == 0)
|
|
|
|
/* the next response will tell us how many bytes */
|
|
|
|
data_val->msg_request = TRUE;
|
2012-06-13 14:56:33 +00:00
|
|
|
|
|
|
|
if (g_ascii_strncasecmp(line, "STLS", 4) == 0) {
|
|
|
|
data_val->stls_request = TRUE;
|
|
|
|
}
|
2009-10-09 07:24:33 +00:00
|
|
|
} else {
|
|
|
|
if (data_val->msg_request) {
|
|
|
|
/* this is a response to a RETR or TOP command */
|
|
|
|
|
|
|
|
if (g_ascii_strncasecmp(line, "+OK ", 4) == 0) {
|
|
|
|
/* the message will be sent - work out how many bytes */
|
|
|
|
data_val->msg_read_len = 0;
|
|
|
|
data_val->msg_tot_len = atoi(line + 4);
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
2009-10-09 07:24:33 +00:00
|
|
|
data_val->msg_request = FALSE;
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
2012-06-13 14:56:33 +00:00
|
|
|
|
|
|
|
if (data_val->stls_request) {
|
|
|
|
if (g_ascii_strncasecmp(line, "+OK ", 4) == 0) {
|
|
|
|
/* This is the last non-TLS frame. */
|
|
|
|
data_val->last_nontls_frame = pinfo->fd->num;
|
|
|
|
}
|
|
|
|
data_val->stls_request = FALSE;
|
|
|
|
}
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-10-09 07:24:33 +00:00
|
|
|
offset += (gint) (next_token - line);
|
|
|
|
linelen -= (int) (next_token - line);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-05-13 18:28:34 +00:00
|
|
|
if (tree) {
|
2009-08-04 18:39:43 +00:00
|
|
|
/*
|
|
|
|
* Add the rest of the first line as request or
|
|
|
|
* reply param/description.
|
|
|
|
*/
|
|
|
|
if (linelen != 0) {
|
|
|
|
proto_tree_add_item(reqresp_tree,
|
|
|
|
(is_request) ?
|
|
|
|
hf_pop_request_parameter :
|
|
|
|
hf_pop_response_description,
|
2011-10-27 20:30:38 +00:00
|
|
|
tvb, offset, linelen, ENC_ASCII|ENC_NA);
|
2009-08-04 18:39:43 +00:00
|
|
|
}
|
|
|
|
offset = next_offset;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Show the rest of the request or response as text,
|
|
|
|
* a line at a time.
|
|
|
|
*/
|
|
|
|
while (tvb_offset_exists(tvb, offset)) {
|
|
|
|
/*
|
|
|
|
* Find the end of the line.
|
|
|
|
*/
|
|
|
|
tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Put this line.
|
|
|
|
*/
|
|
|
|
proto_tree_add_string_format(pop_tree,
|
|
|
|
(is_request) ?
|
|
|
|
hf_pop_request_data :
|
|
|
|
hf_pop_response_data,
|
|
|
|
tvb, offset,
|
|
|
|
next_offset - offset,
|
|
|
|
"", "%s",
|
|
|
|
tvb_format_text(tvb, offset, next_offset - offset));
|
|
|
|
offset = next_offset;
|
|
|
|
}
|
2010-05-13 18:28:34 +00:00
|
|
|
}
|
1999-04-05 21:54:41 +00:00
|
|
|
}
|
|
|
|
|
2002-08-02 23:36:07 +00:00
|
|
|
static gboolean response_is_continuation(const guchar *data)
|
2000-04-08 07:07:42 +00:00
|
|
|
{
|
|
|
|
if (strncmp(data, "+OK", strlen("+OK")) == 0)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
if (strncmp(data, "-ERR", strlen("-ERR")) == 0)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2008-04-13 16:36:41 +00:00
|
|
|
static void pop_data_reassemble_init (void)
|
|
|
|
{
|
|
|
|
fragment_table_init (&pop_data_segment_table);
|
|
|
|
reassembled_table_init (&pop_data_reassembled_table);
|
|
|
|
}
|
|
|
|
|
1999-07-29 05:47:07 +00:00
|
|
|
void
|
|
|
|
proto_register_pop(void)
|
|
|
|
{
|
1999-11-14 10:16:25 +00:00
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_pop_response,
|
|
|
|
{ "Response", "pop.response",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_response_indicator,
|
|
|
|
{ "Response indicator", "pop.response.indicator",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_response_description,
|
|
|
|
{ "Response description", "pop.response.description",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_response_data,
|
|
|
|
{ "Data", "pop.response.data",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, "Response Data", HFILL }},
|
1999-11-14 10:16:25 +00:00
|
|
|
{ &hf_pop_request,
|
2006-03-15 06:17:35 +00:00
|
|
|
{ "Request", "pop.request",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_request_command,
|
|
|
|
{ "Request command", "pop.request.command",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_request_parameter,
|
|
|
|
{ "Request parameter", "pop.request.parameter",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
2006-03-15 06:17:35 +00:00
|
|
|
{ &hf_pop_request_data,
|
|
|
|
{ "Data", "pop.request.data",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0, "Request data", HFILL }},
|
2008-04-13 16:36:41 +00:00
|
|
|
/* Fragment entries */
|
|
|
|
{ &hf_pop_data_fragments,
|
|
|
|
{ "DATA fragments", "pop.data.fragments", FT_NONE, BASE_NONE,
|
2009-08-04 18:39:43 +00:00
|
|
|
NULL, 0x00, "Message fragments", HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment,
|
|
|
|
{ "DATA fragment", "pop.data.fragment", FT_FRAMENUM, BASE_NONE,
|
2009-08-04 18:39:43 +00:00
|
|
|
NULL, 0x00, "Message fragment", HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment_overlap,
|
|
|
|
{ "DATA fragment overlap", "pop.data.fragment.overlap", FT_BOOLEAN,
|
2009-08-04 18:39:43 +00:00
|
|
|
BASE_NONE, NULL, 0x0, "Message fragment overlap", HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment_overlap_conflicts,
|
|
|
|
{ "DATA fragment overlapping with conflicting data",
|
2009-08-04 18:39:43 +00:00
|
|
|
"pop.data.fragment.overlap.conflicts", FT_BOOLEAN, BASE_NONE, NULL,
|
|
|
|
0x0, "Message fragment overlapping with conflicting data", HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment_multiple_tails,
|
|
|
|
{ "DATA has multiple tail fragments",
|
2009-08-04 18:39:43 +00:00
|
|
|
"pop.data.fragment.multiple_tails", FT_BOOLEAN, BASE_NONE,
|
|
|
|
NULL, 0x0, "Message has multiple tail fragments", HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment_too_long_fragment,
|
|
|
|
{ "DATA fragment too long", "pop.data.fragment.too_long_fragment",
|
2009-08-04 18:39:43 +00:00
|
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0, "Message fragment too long",
|
|
|
|
HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_fragment_error,
|
|
|
|
{ "DATA defragmentation error", "pop.data.fragment.error", FT_FRAMENUM,
|
2009-08-04 18:39:43 +00:00
|
|
|
BASE_NONE, NULL, 0x00, "Message defragmentation error", HFILL } },
|
2011-01-30 21:01:07 +00:00
|
|
|
{ &hf_pop_data_fragment_count,
|
|
|
|
{ "DATA fragment count", "pop.data.fragment.count", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x00, NULL, HFILL } },
|
2008-04-13 16:36:41 +00:00
|
|
|
{ &hf_pop_data_reassembled_in,
|
|
|
|
{ "Reassembled DATA in frame", "pop.data.reassembled.in", FT_FRAMENUM, BASE_NONE,
|
2009-08-04 18:39:43 +00:00
|
|
|
NULL, 0x00, "This DATA fragment is reassembled in this frame", HFILL } },
|
2010-02-02 16:01:52 +00:00
|
|
|
{ &hf_pop_data_reassembled_length,
|
|
|
|
{ "Reassembled DATA length", "pop.data.reassembled.length", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x00, "The total length of the reassembled payload", HFILL } },
|
1999-11-14 10:16:25 +00:00
|
|
|
};
|
2008-04-13 16:36:41 +00:00
|
|
|
|
1999-11-16 11:44:20 +00:00
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_pop,
|
2003-06-11 20:03:09 +00:00
|
|
|
&ett_pop_reqresp,
|
2008-04-13 16:36:41 +00:00
|
|
|
&ett_pop_data_fragment,
|
|
|
|
&ett_pop_data_fragments
|
1999-11-16 11:44:20 +00:00
|
|
|
};
|
2008-04-13 16:36:41 +00:00
|
|
|
module_t *pop_module;
|
|
|
|
|
1999-11-14 10:16:25 +00:00
|
|
|
|
2001-01-03 06:56:03 +00:00
|
|
|
proto_pop = proto_register_protocol("Post Office Protocol", "POP", "pop");
|
2006-06-29 08:31:38 +00:00
|
|
|
register_dissector("pop", dissect_pop, proto_pop);
|
1999-11-14 10:16:25 +00:00
|
|
|
proto_register_field_array(proto_pop, hf, array_length(hf));
|
1999-11-16 11:44:20 +00:00
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2008-04-13 16:36:41 +00:00
|
|
|
register_init_routine (&pop_data_reassemble_init);
|
|
|
|
|
|
|
|
/* Preferences */
|
|
|
|
pop_module = prefs_register_protocol(proto_pop, NULL);
|
|
|
|
|
|
|
|
prefs_register_bool_preference(pop_module, "desegment_data",
|
|
|
|
"Reassemble POP RETR and TOP responses spanning multiple TCP segments",
|
|
|
|
"Whether the POP dissector should reassemble RETR and TOP responses and spanning multiple TCP segments."
|
|
|
|
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
|
|
&pop_data_desegment);
|
1999-07-29 05:47:07 +00:00
|
|
|
}
|
1999-11-20 23:03:09 +00:00
|
|
|
|
2000-04-08 07:07:42 +00:00
|
|
|
void
|
|
|
|
proto_reg_handoff_pop(void)
|
1999-11-20 23:03:09 +00:00
|
|
|
{
|
2001-12-03 04:00:26 +00:00
|
|
|
dissector_handle_t pop_handle;
|
|
|
|
|
2008-10-05 23:08:54 +00:00
|
|
|
pop_handle = find_dissector("pop");
|
2010-12-20 05:35:29 +00:00
|
|
|
dissector_add_uint("tcp.port", TCP_PORT_POP, pop_handle);
|
2008-07-12 14:42:14 +00:00
|
|
|
ssl_dissector_add(TCP_PORT_SSL_POP, "pop", TRUE);
|
2001-11-25 22:51:14 +00:00
|
|
|
data_handle = find_dissector("data");
|
2008-04-13 16:36:41 +00:00
|
|
|
|
|
|
|
/* find the IMF dissector */
|
|
|
|
imf_handle = find_dissector("imf");
|
|
|
|
|
2012-06-13 14:56:33 +00:00
|
|
|
/* find the SSL dissector */
|
|
|
|
ssl_handle = find_dissector("ssl");
|
1999-11-20 23:03:09 +00:00
|
|
|
}
|