aboutsummaryrefslogtreecommitdiffstats
path: root/gtk/packet_win.c
blob: 5a8e3ce0a76dcd1cc9acb871501899de6f9eddd0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/* packet_win.c
 * Routines for popping a window to display current packet
 *
 * Copyright 2000, Jeffrey C. Foster <jfoste@woodward.com>
 *
 * $Id: packet_win.c,v 1.39 2002/08/28 21:03:48 jmayer Exp $
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * 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.
 *
 * To do:
 * - Add close button to bottom.
 * - improve the window Title and allow user to config it
 * - Add print support ? ( could be a mess)
 * - Add button to have main window jump to this packet ?
 */


#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <gtk/gtk.h>

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include <epan/epan.h>
#include "main.h"
#include <epan/timestamp.h>
#include <epan/packet.h>
#include "summary.h"
#include "file.h"
#include "prefs.h"
#include "menu.h"
#include "../menu.h"
#include "column.h"
#include "print.h"
#include <epan/resolv.h>
#include "packet_win.h"
#include "simple_dialog.h"
#include "proto_draw.h"
#include "keys.h"
#include "gtkglobals.h"
#include <epan/plugins.h>
#include <epan/epan_dissect.h>

/* Data structure holding information about a packet-detail window. */
struct PacketWinData {
	frame_data *frame;	   /* The frame being displayed */
	union wtap_pseudo_header pseudo_header; /* Pseudo-header for packet */
	guint8     *pd;		   /* Data for packet */
	GtkWidget  *main;
	GtkWidget  *tv_scrollw;
	GtkWidget  *tree_view;
	GtkWidget  *bv_nb_ptr;
 	field_info *finfo_selected;
	epan_dissect_t	*edt;
};

/* List of all the packet-detail windows popped up. */
static GList *detail_windows;

static void new_tree_view_select_row_cb( GtkCTree *ctree, GList *node,
	gint column, gpointer user_data);

static void new_tree_view_unselect_row_cb( GtkCTree *ctree, GList *node,
	gint column, gpointer user_data);

static void destroy_new_window(GtkObject *object, gpointer user_data);

void new_window_cb(GtkWidget *w _U_)
{
  #define NewWinTitleLen 1000
  char Title[NewWinTitleLen] = "";
  char *TextPtr;
  gint tv_size = 95, bv_size = 75;
  GtkWidget *main_w, *main_vbox, *pane,
                      *tree_view, *tv_scrollw,
                      *bv_nb_ptr;
  struct PacketWinData *DataPtr;
  int i;

  /* Allocate data structure to represent this window. */
  DataPtr = (struct PacketWinData *) g_malloc(sizeof(struct PacketWinData));

  DataPtr->frame = cfile.current_frame;
  memcpy(&DataPtr->pseudo_header, &cfile.pseudo_header, sizeof DataPtr->pseudo_header);
  DataPtr->pd = g_malloc(DataPtr->frame->cap_len);
  memcpy(DataPtr->pd, cfile.pd, DataPtr->frame->cap_len);
  DataPtr->edt = epan_dissect_new(TRUE, TRUE);
  epan_dissect_run(DataPtr->edt, &DataPtr->pseudo_header, DataPtr->pd,
          DataPtr->frame, &cfile.cinfo);
  epan_dissect_fill_in_columns(DataPtr->edt);

  main_w = gtk_window_new(GTK_WINDOW_TOPLEVEL);

  /*
   * Build title of window by getting column data constructed when the
   * frame was dissected.
   */
  for (i = 0; i < cfile.cinfo.num_cols; ++i) {
    TextPtr = cfile.cinfo.col_data[i];
    if ((strlen(Title) + strlen(TextPtr)) < NewWinTitleLen - 1) {
      strcat(Title, TextPtr);
      strcat(Title, " ");
    }
  }

  gtk_window_set_title(GTK_WINDOW(main_w), Title);
  gtk_window_set_default_size(GTK_WINDOW(main_w), DEF_WIDTH, -1);

  /* Container for paned windows  */
  main_vbox = gtk_vbox_new(FALSE, 1);
  gtk_container_border_width(GTK_CONTAINER(main_vbox), 1);
  gtk_container_add(GTK_CONTAINER(main_w), main_vbox);
  gtk_widget_show(main_vbox);

  /* Panes for the tree and byte view */
  pane = gtk_vpaned_new();
  gtk_paned_gutter_size(GTK_PANED(pane), (GTK_PANED(pane))->handle_size);
  gtk_container_add(GTK_CONTAINER(main_vbox), pane);
  gtk_widget_show(pane);

  /* Tree view */
  create_tree_view(tv_size, &prefs, pane, &tv_scrollw, &tree_view);
  gtk_widget_show(tree_view);

  /* Byte view */
  bv_nb_ptr = create_byte_view(bv_size, pane);

  DataPtr->main = main_w;
  DataPtr->tv_scrollw = tv_scrollw;
  DataPtr->tree_view = tree_view;
  DataPtr->bv_nb_ptr = bv_nb_ptr;
  detail_windows = g_list_append(detail_windows, DataPtr);

  /* load callback handlers */
  gtk_signal_connect(GTK_OBJECT(tree_view), "tree-select-row",
		GTK_SIGNAL_FUNC(new_tree_view_select_row_cb), DataPtr);

  gtk_signal_connect(GTK_OBJECT(tree_view), "tree-unselect-row",
    		GTK_SIGNAL_FUNC(new_tree_view_unselect_row_cb), DataPtr);

  gtk_signal_connect(GTK_OBJECT(main_w), "destroy",
			GTK_SIGNAL_FUNC(destroy_new_window), DataPtr);

  /* draw the protocol tree & print hex data */
  add_byte_views(DataPtr->edt, tree_view, DataPtr->bv_nb_ptr);
  proto_tree_draw(DataPtr->edt->tree, tree_view);

  DataPtr->finfo_selected = NULL;
  gtk_widget_show(main_w);
}

static void
destroy_new_window(GtkObject *object _U_, gpointer user_data)
{
  struct PacketWinData *DataPtr = user_data;

  detail_windows = g_list_remove(detail_windows, DataPtr);
  epan_dissect_free(DataPtr->edt);
  g_free(DataPtr->pd);
  g_free(DataPtr);
}


/* called when a tree row is selected in the popup packet window */
static void
new_tree_view_select_row_cb(GtkCTree *ctree, GList *node, gint column _U_,
	gpointer user_data)
{
	field_info *finfo;
	GtkWidget *byte_view;
	const guint8 *data;
	guint len;

	struct PacketWinData *DataPtr = (struct PacketWinData*)user_data;

	g_assert(node);
	finfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(node) );
	if (!finfo) return;

	set_notebook_page(DataPtr->bv_nb_ptr, finfo->ds_tvb);
	byte_view = get_notebook_bv_ptr(DataPtr->bv_nb_ptr);
	if ( !byte_view)	/* exit if no hex window to write in */
		return;

	data = get_byte_view_data_and_length(byte_view, &len);
	if (data == NULL) {
                data = DataPtr->pd;
                len =  DataPtr->frame->cap_len;
        }

	DataPtr->finfo_selected = finfo;
	packet_hex_print(GTK_TEXT(byte_view), data,
		DataPtr->frame, finfo, len);
}

/* called when a tree row is unselected in the popup packet window */
static void
new_tree_view_unselect_row_cb(GtkCTree *ctree _U_, GList *node _U_, gint column _U_,
	gpointer user_data)
{
	GtkWidget* byte_view;
	const guint8* data;
	guint len;

	struct PacketWinData *DataPtr = (struct PacketWinData*)user_data;

	DataPtr->finfo_selected = NULL;

	byte_view = get_notebook_bv_ptr(DataPtr->bv_nb_ptr);
	if ( !byte_view)	/* exit if no hex window to write in */
		return;

	data = get_byte_view_data_and_length(byte_view, &len);
	g_assert(data != NULL);
	packet_hex_reprint(GTK_TEXT(byte_view));
}

/* Functions called from elsewhere to act on all popup packet windows. */

/* Destroy all popup packet windows. */
void
destroy_packet_wins(void)
{
	struct PacketWinData *DataPtr;

	/* Destroying a packet window causes it to be removed from
	   the list of packet windows, so we can't do a "g_list_foreach()"
	   to go through the list of all packet windows and destroy them
	   as we find them; instead, as long as the list is non-empty,
	   we destroy the first window on the list. */
	while (detail_windows != NULL) {
		DataPtr = (struct PacketWinData *)(detail_windows->data);
		gtk_widget_destroy(DataPtr->main);
	}
}

static void
redraw_hex_dump_cb(gpointer data, gpointer user_data _U_)
{
	struct PacketWinData *DataPtr = (struct PacketWinData *)data;

	redraw_hex_dump(DataPtr->bv_nb_ptr, DataPtr->frame, DataPtr->finfo_selected);
}

/* Redraw the hex dump part of all the popup packet windows. */
void
redraw_hex_dump_packet_wins(void)
{
	g_list_foreach(detail_windows, redraw_hex_dump_cb, NULL);
}