diff options
author | Ulf Lamping <ulf.lamping@web.de> | 2007-08-16 22:03:10 +0000 |
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committer | Ulf Lamping <ulf.lamping@web.de> | 2007-08-16 22:03:10 +0000 |
commit | 4b215597ae8c4c05f590224b390cfbc218a93166 (patch) | |
tree | 67b6b711075666eeec4286bee850b3f84b0d3416 /epan | |
parent | 1ac635cd7dcbbe6f35f5632c6a0a58026ba6d017 (diff) | |
download | wireshark-4b215597ae8c4c05f590224b390cfbc218a93166.tar.gz |
experimental feature: dissector filters
add the possibility, that a dissector writer can provide (usually non-trivial) display filters specific for the protocol in question (with an example in packet-dcerpc-pn-io.c), that will appear in the GUI
svn path=/trunk/; revision=22530
Diffstat (limited to 'epan')
-rw-r--r-- | epan/Makefile.common | 2 | ||||
-rw-r--r-- | epan/dissector_filters.c | 49 | ||||
-rw-r--r-- | epan/dissector_filters.h | 60 | ||||
-rw-r--r-- | epan/libwireshark.def | 2 |
4 files changed, 113 insertions, 0 deletions
diff --git a/epan/Makefile.common b/epan/Makefile.common index 22108570b6..919ebebf25 100644 --- a/epan/Makefile.common +++ b/epan/Makefile.common @@ -43,6 +43,7 @@ LIBWIRESHARK_SRC = \ crc32.c \ crc6.c \ crcdrm.c \ + dissector_filters.c \ emem.c \ epan.c \ ex-opt.c \ @@ -152,6 +153,7 @@ LIBWIRESHARK_INCLUDES = \ crc32.h \ crcdrm.h \ diam_dict.h \ + dissector_filters.h \ dtd.h \ dtd_parse.h \ emem.h \ diff --git a/epan/dissector_filters.c b/epan/dissector_filters.c new file mode 100644 index 0000000000..681f0c4301 --- /dev/null +++ b/epan/dissector_filters.c @@ -0,0 +1,49 @@ +/* dissector_filters.c + * Routines for dissector generated display filters + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <glib.h> +#include "packet.h" + +#include "dissector_filters.h" + + +GList *dissector_filter_list = NULL; + + +void register_dissector_filter(const char *name, is_filter_valid_func is_filter_valid, build_filter_string_func build_filter_string) { + dissector_filter_t *entry; + + entry = g_malloc(sizeof(dissector_filter_t)); + + entry->name = name; + entry->is_filter_valid = is_filter_valid; + entry->build_filter_string = build_filter_string; + + dissector_filter_list = g_list_append(dissector_filter_list, entry); +} + diff --git a/epan/dissector_filters.h b/epan/dissector_filters.h new file mode 100644 index 0000000000..b19a8135cc --- /dev/null +++ b/epan/dissector_filters.h @@ -0,0 +1,60 @@ +/* dissector_filters.h + * Routines for dissector generated display filters + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __DISSECTOR_FILTERS_H__ +#define __DISSECTOR_FILTERS_H__ + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +/* callback function definition: is a filter available for this packet? */ +typedef gboolean (*is_filter_valid_func)(packet_info *pinfo); + +/* callback function definition: return the available filter for this packet or NULL if no filter is available */ +typedef const gchar* (*build_filter_string_func)(packet_info *pinfo); + + +/* register a dissector filter */ +extern void register_dissector_filter(const char *name, is_filter_valid_func is_filter_valid, build_filter_string_func build_filter_string); + + + +/*** THE FOLLOWING SHOULD NOT BE USED BY ANY DISSECTORS!!! ***/ + +typedef struct dissector_filter_s { + const char * name; + is_filter_valid_func is_filter_valid; + build_filter_string_func build_filter_string; +} dissector_filter_t; + +WS_VAR_IMPORT GList *dissector_filter_list; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* dissector_filters.h */ diff --git a/epan/libwireshark.def b/epan/libwireshark.def index 1078991801..2527ac302d 100644 --- a/epan/libwireshark.def +++ b/epan/libwireshark.def @@ -137,6 +137,7 @@ dissector_change_string dissector_delete dissector_delete_string dissector_dump_decodes +dissector_filter_list DATA dissector_get_port_handle dissector_get_string_handle dissector_handle_get_protocol_index @@ -678,6 +679,7 @@ register_ber_syntax_dissector register_count register_dissector register_dissector_table +register_dissector_filter register_final_registration_routine register_giop_user register_giop_user_module |