![Ed Warnicke](/assets/img/avatar_default.png)
allow the passing of register_all_protocols() and register_all_protocol_handoffs() through epan_init() to proto_init(). This allows the removal of the compile time dependence of proto.c on register.h. Modified dftest.c, tethereal.c, and gtk/main.c to use the new style epan_init() and depend on register.h. svn path=/trunk/; revision=3237
569 lines
18 KiB
C
569 lines
18 KiB
C
/* proto.h
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* Definitions for protocol display
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*
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* $Id: proto.h,v 1.11 2001/04/02 00:38:34 hagbard Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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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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*
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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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*
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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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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PROTO_H__
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#define __PROTO_H__
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#else
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# include <varargs.h>
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#endif
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#ifdef HAVE_WINSOCK_H
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# include <winsock.h>
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#endif
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#include "ipv4.h"
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#include "tvbuff.h"
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#include "ftypes/ftypes.h"
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/* needs glib.h */
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typedef GNode proto_tree;
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typedef GNode proto_item;
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struct value_string;
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#define ITEM_LABEL_LENGTH 240
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/* In order to make a const value_string[] look like a value_string*, I
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* need this macro */
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#define VALS(x) (struct value_string*)(x)
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/* ... and similarly, */
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#define TFS(x) (struct true_false_string*)(x)
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/* check protocol activation */
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#define OLD_CHECK_DISPLAY_AS_DATA(index, pd, offset, fd, tree) {\
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if (!proto_is_protocol_enabled(index)) { \
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old_dissect_data(pd, offset, fd, tree); \
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return; \
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} \
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}
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#define CHECK_DISPLAY_AS_DATA(index, tvb, pinfo, tree) { \
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if (!proto_is_protocol_enabled(index)) { \
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dissect_data(tvb, 0, pinfo, tree); \
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return; \
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} \
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}
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enum {
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BASE_NONE,
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BASE_DEC,
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BASE_HEX,
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BASE_OCT,
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BASE_BIN
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};
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typedef struct _header_field_info header_field_info;
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/* information describing a header field */
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struct _header_field_info {
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/* ---------- set by dissector --------- */
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char *name;
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char *abbrev;
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enum ftenum type;
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int display; /* for integers only, so far. Base */
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void *strings; /* val_string or true_false_string */
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guint32 bitmask;
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char *blurb; /* Brief description of field. */
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/* ---------- set by proto routines --------- */
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int id; /* Field ID */
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int parent; /* parent protocol */
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int bitshift; /* bits to shift */
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header_field_info *same_name_next; /* Link to next hfinfo with same abbrev*/
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header_field_info *same_name_prev; /* Link to previous hfinfo with same abbrev*/
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};
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/* Used when registering many fields at once */
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typedef struct hf_register_info {
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int *p_id; /* pointer to int; written to by register() function */
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header_field_info hfinfo;
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} hf_register_info;
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/* Info stored in each proto_item GNode */
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typedef struct field_info {
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header_field_info *hfinfo;
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gint start;
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gint length;
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gint tree_type; /* ETT_* */
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char *representation; /* for GUI tree */
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int visible;
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fvalue_t *value;
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gchar *ds_name; /* data source name */
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} field_info;
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/* For use while converting dissectors to use tvbuff's */
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#define NullTVB NULL
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/* Sets up memory used by proto routines. Called at program startup */
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void proto_init(const char *plugin_dir, void (register_all_protocols)(void),
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void (register_all_handoffs)(void));
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/* Frees memory used by proto routines. Called at program shutdown */
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void proto_cleanup(void);
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/* Set text of proto_item after having already been created. */
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#if __GNUC__ == 2
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void proto_item_set_text(proto_item *ti, const char *format, ...)
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__attribute__((format (printf, 2, 3)));
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#else
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void proto_item_set_text(proto_item *ti, const char *format, ...);
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#endif
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/* Set length of proto_item after having already been created. */
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void proto_item_set_len(proto_item *ti, gint length);
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/* Get length of proto_item. Useful after using proto_tree_add_item()
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* to add a variable-length field (e.g., FT_NSTRING_UINT8) */
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int proto_item_get_len(proto_item *ti);
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/* Creates new proto_tree root */
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proto_tree* proto_tree_create_root(void);
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/* Clear memory for entry proto_tree. Clears proto_tree struct also. */
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void proto_tree_free(proto_tree *tree);
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/* Create a subtree under an existing item; returns tree pointer */
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proto_tree* proto_item_add_subtree(proto_item *ti, gint idx);
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int
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proto_register_field(char *name, char *abbrev, enum ftenum type, int parent,
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struct value_string* vals);
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int
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proto_register_protocol(char *name, char *short_name, char *filter_name);
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void
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proto_register_field_array(int parent, hf_register_info *hf, int num_records);
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void
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proto_register_subtree_array(gint **indices, int num_indices);
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/* Add an item to a proto_tree, using the text label registered to that item;
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the item is extracted from the tvbuff handed to it. */
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proto_item *
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proto_tree_add_item(proto_tree *tree, int hfindex, tvbuff_t *tvb,
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gint start, gint length, gboolean little_endian);
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proto_item *
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proto_tree_add_item_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb,
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gint start, gint length, gboolean little_endian);
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/* Add a FT_NONE to a proto_tree */
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_none_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char *format, ...)
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__attribute__((format (printf, 6, 7)));
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#else
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proto_item *
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proto_tree_add_none_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char *format, ...);
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#endif
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/* Add a FT_PROTOCOL to a proto_tree */
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_protocol_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char *format, ...)
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__attribute__((format (printf, 6, 7)));
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#else
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proto_item *
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proto_tree_add_protocol_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char *format, ...);
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#endif
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/* Add a FT_BYTES to a proto_tree */
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proto_item *
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proto_tree_add_bytes(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* start_ptr);
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proto_item *
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proto_tree_add_bytes_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* start_ptr);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_bytes_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* start_ptr, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_bytes_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* start_ptr, const char *format, ...);
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#endif
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/* Add a FT_*TIME to a proto_tree */
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proto_item *
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proto_tree_add_time(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, struct timeval* value_ptr);
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proto_item *
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proto_tree_add_time_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, struct timeval* value_ptr);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_time_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, struct timeval* value_ptr, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_time_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, struct timeval* value_ptr, const char *format, ...);
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#endif
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/* Add a FT_IPXNET to a proto_tree */
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proto_item *
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proto_tree_add_ipxnet(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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proto_item *
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proto_tree_add_ipxnet_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_ipxnet_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_ipxnet_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...);
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#endif
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/* Add a FT_IPv4 to a proto_tree */
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proto_item *
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proto_tree_add_ipv4(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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proto_item *
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proto_tree_add_ipv4_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_ipv4_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_ipv4_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...);
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#endif
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/* Add a FT_IPv6 to a proto_tree */
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proto_item *
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proto_tree_add_ipv6(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value_ptr);
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proto_item *
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proto_tree_add_ipv6_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value_ptr);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_ipv6_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value_ptr, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_ipv6_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value_ptr, const char *format, ...);
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#endif
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/* Add a FT_ETHER to a proto_tree */
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proto_item *
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proto_tree_add_ether(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value);
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proto_item *
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proto_tree_add_ether_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_ether_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_ether_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const guint8* value, const char *format, ...);
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#endif
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/* Add a FT_STRING to a proto_tree */
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proto_item *
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proto_tree_add_string(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char* value);
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proto_item *
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proto_tree_add_string_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char* value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_string_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char* value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_string_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, const char* value, const char *format, ...);
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#endif
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/* Add a FT_BOOLEAN to a proto_tree */
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proto_item *
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proto_tree_add_boolean(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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proto_item *
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proto_tree_add_boolean_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_boolean_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_boolean_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...);
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#endif
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/* Add a FT_DOUBLE to a proto_tree */
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proto_item *
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proto_tree_add_double(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, double value);
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proto_item *
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proto_tree_add_double_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, double value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_double_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, double value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_double_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, double value, const char *format, ...);
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#endif
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/* Add any FT_UINT* to a proto_tree */
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proto_item *
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proto_tree_add_uint(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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proto_item *
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proto_tree_add_uint_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_uint_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_uint_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, guint32 value, const char *format, ...);
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#endif
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/* Add any FT_INT* to a proto_tree */
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proto_item *
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proto_tree_add_int(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, gint32 value);
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proto_item *
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proto_tree_add_int_hidden(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, gint32 value);
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_int_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, gint32 value, const char *format, ...)
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__attribute__((format (printf, 7, 8)));
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#else
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proto_item *
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proto_tree_add_int_format(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
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gint length, gint32 value, const char *format, ...);
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#endif
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/* Add a text-only node to the proto_tree */
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_text(proto_tree *tree, tvbuff_t *tvb, gint start, gint length, const char *,
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...) __attribute__((format (printf, 5, 6)));
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#else
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proto_item *
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proto_tree_add_text(proto_tree *tree, tvbuff_t *tvb, gint start, gint length, const char *,
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...);
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#endif
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proto_item *
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proto_tree_add_text_valist(proto_tree *tree, tvbuff_t *tvb, gint start,
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gint length, const char *format, va_list ap);
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/* Add a node with no text */
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proto_item *
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proto_tree_add_notext(proto_tree *tree, tvbuff_t *tvb, gint start, gint length);
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/* Useful for quick debugging. Also sends string to STDOUT, so don't
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* leave call to this function in production code. */
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#if __GNUC__ == 2
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proto_item *
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proto_tree_add_debug_text(proto_tree *tree, const char *format, ...)
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__attribute__((format (printf, 2, 3)));
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#else
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proto_item *
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proto_tree_add_debug_text(proto_tree *tree, const char *format, ...);
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#endif
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void
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proto_item_fill_label(field_info *fi, gchar *label_str);
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/* Returns number of items (protocols or header fields) registered. */
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int proto_registrar_n(void);
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/* Returns char* to name for item # n (0-indexed) */
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char* proto_registrar_get_name(int n);
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/* Returns char* to abbrev for item # n (0-indexed) */
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char* proto_registrar_get_abbrev(int n);
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/* get the header field information based upon a field or protocol id */
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header_field_info* proto_registrar_get_nth(int hfindex);
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/* Returns enum ftenum for item # n */
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int proto_registrar_get_ftype(int n);
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/* Returns parent protocol for item # n.
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* Returns -1 if item _is_ a protocol */
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int proto_registrar_get_parent(int n);
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/* Is item #n a protocol? */
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gboolean proto_registrar_is_protocol(int n);
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/* Is item #n decoding enabled ? */
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gboolean proto_is_protocol_enabled(int proto_id);
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/* Can item #n decoding be disabled? */
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gboolean proto_can_disable_protocol(int proto_id);
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/* Routines to use to iterate over the protocols; they return the item
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* number of the protocol in question, and keep state in "*cookie". */
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int proto_get_first_protocol(void **cookie);
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int proto_get_next_protocol(void **cookie);
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/* Given a protocol's filter_name, return it's proto_id */
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int proto_get_id_by_filter_name(gchar* filter_name);
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/* Given a protocol's item number, return its name. */
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char *proto_get_protocol_name(int n);
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/* Given a protocol's item number, return its short name. */
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char *proto_get_protocol_short_name(int proto_id);
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/* Given a protocol's item number, return its filter name. */
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char *proto_get_protocol_filter_name(int proto_id);
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/* Enable / Disable protocol */
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void proto_set_decoding(int proto_id, gboolean enabled);
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/* Disable disabling of protocol */
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void proto_set_cant_disable(int proto_id);
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gpointer proto_get_protocol_dissector(int proto_id);
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void proto_set_protocol_dissector(int proto_id, gpointer dissector);
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/* Get length of registered field according to field type.
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* 0 means undeterminable at registration time.
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* -1 means unknown field */
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gint proto_registrar_get_length(int n);
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/* Checks for existence any protocol or field within a tree.
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* "Protocols" are assumed to be a child of the [empty] root node.
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* TRUE = found, FALSE = not found */
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gboolean proto_check_for_protocol_or_field(proto_tree* tree, int id);
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/* Return GPtrArray* of field_info pointers for all hfindex that appear in
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* tree. Assume that a field will only appear under its registered parent's
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* subtree, and that the parent's subtree is a child of the
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* [empty] root node. */
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GPtrArray* proto_get_finfo_ptr_array(proto_tree *tree, int hfindex);
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/* Dumps a glossary of the protocol and field registrations to STDOUT */
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void proto_registrar_dump(void);
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/* Is the parsing being done for a visible proto_tree or an invisible one?
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* By setting this correctly, the proto_tree creation is sped up by not
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* having to call vsnprintf and copy strings around.
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*/
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extern gboolean proto_tree_is_visible;
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/* Points to the first element of an array of Booleans, indexed by
|
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a subtree item type; that array element is TRUE if subtrees of
|
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an item of that type are to be expanded.
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ETT_NONE is reserved for unregistered subtree types. */
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#define ETT_NONE 0
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extern gboolean *tree_is_expanded;
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/* Number of elements in that array. */
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extern int num_tree_types;
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/* glib doesn't have g_ptr_array_len of all things!*/
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#ifndef g_ptr_array_len
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#define g_ptr_array_len(a) ((a)->len)
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#endif
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int
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hfinfo_bitwidth(header_field_info *hfinfo);
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char*
|
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proto_alloc_dfilter_string(field_info *finfo, guint8 *pd);
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|
field_info*
|
|
proto_find_field_from_offset(proto_tree *tree, guint offset, gchar *ds_name);
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#endif /* proto.h */
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