ui/gtk/decode_as_ber.c

   1 /* decode_as_ber.c
   2  *
   3  * $Id$
   4  *
   5  * Routines to modify BER decoding on the fly.
   6  *
   7  * Copyright 2006 Graeme Lunt
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include "config.h"
  25 #include <string.h>
  26
  27 #include <gtk/gtk.h>
  28
  29 #include <epan/packet.h>
  30 #include <epan/epan_dissect.h>
  31 #include <epan/dissectors/packet-ber.h>
  32
  33 #include "ui/gtk/decode_as_dlg.h"
  34 #include "ui/gtk/dlg_utils.h"
  35 #include "ui/gtk/gui_utils.h"
  36 #include "ui/gtk/decode_as_dcerpc.h"
  37 #include "ui/gtk/decode_as_ber.h"
  38
  39
  40 /**************************************************/
  41 /* Action routines for the "Decode As..." dialog  */
  42 /*   - called when the OK button pressed          */
  43 /**************************************************/
  44
  45 /*
  46  * This routine is called when the user clicks the "OK" button in the
  47  * "Decode As..." dialog window and the ASN.1 page is foremost.
  48  * This routine takes care of making any changes requested to the ASN.1
  49  * decoding.
  50  *
  51  * @param notebook_pg A pointer to the "ASN.1" notebook page.
  52  */
  53 static void
  54 decode_ber(GtkWidget *notebook_pg)
  55 {
  56     GtkWidget *list;
  57     gchar              *syntax;
  58     GtkTreeSelection  *selection;
  59     GtkTreeModel      *model;
  60     GtkTreeIter        iter;
  61
  62     syntax = NULL;
  63     list = (GtkWidget *)g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_LIST);
  64
  65     if (requested_action == E_DECODE_NO)
  66         gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(GTK_TREE_VIEW(list)));
  67
  68     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
  69     if (gtk_tree_selection_get_selected(selection, &model, &iter) == FALSE)
  70     {
  71         syntax = NULL;
  72     } else {
  73       gtk_tree_model_get(model, &iter, E_LIST_S_PROTO_NAME, &syntax, -1);
  74     }
  75
  76     if ((syntax != NULL && strcmp(syntax, "(default)") == 0) ) {
  77       ber_decode_as(NULL);
  78     } else {
  79       ber_decode_as(syntax);
  80     }
  81     g_free(syntax);
  82 }
  83
  84
  85 /**************************************************/
  86 /*                  Dialog setup                  */
  87 /**************************************************/
  88
  89
  90 /* add an interface to the list */
  91 static void
  92 decode_ber_add_to_list(gpointer key, gpointer value, gpointer user_data)
  93 {
  94     decode_add_to_list("ASN.1", (gchar *)key, value, user_data);
  95 }
  96
  97
  98 /* add all interfaces to the list */
  99 static GtkWidget *
 100 decode_add_ber_menu (GtkWidget *page, const gchar *table_name _U_)
 101 {
 102     GtkWidget *scrolled_window;
 103     GtkWidget *list;
 104
 105     decode_list_menu_start(page, &list, &scrolled_window);
 106
 107     ber_decode_as_foreach(decode_ber_add_to_list, list);
 108     decode_list_menu_finish(list);
 109     return(scrolled_window);
 110 }
 111
 112
 113 /* add a BER page to the notebook */
 114 GtkWidget *
 115 decode_ber_add_page (packet_info *pinfo _U_)
 116 {
 117     GtkWidget   *page_hb, *info_vb, *label, *scrolled_window;
 118
 119     /* create page content */
 120     page_hb = ws_gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5, FALSE);
 121     g_object_set_data(G_OBJECT(page_hb), E_PAGE_ACTION, decode_ber);
 122     g_object_set_data(G_OBJECT(page_hb), E_PAGE_TABLE, (gpointer)"ASN.1");
 123     g_object_set_data(G_OBJECT(page_hb), E_PAGE_TITLE, (gpointer)"ASN.1");
 124
 125     info_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 5, FALSE);
 126     gtk_box_pack_start(GTK_BOX(page_hb), info_vb, TRUE, TRUE, 0);
 127
 128     /* Always enabled */
 129     label = gtk_label_new("Decode ASN.1 file as:");
 130     gtk_box_pack_start(GTK_BOX(info_vb), label, TRUE, TRUE, 0);
 131
 132     scrolled_window = decode_add_ber_menu(page_hb, "ber" /*table_name*/);
 133     gtk_box_pack_start(GTK_BOX(page_hb), scrolled_window, TRUE, TRUE, 0);
 134     decode_dimmable = g_slist_prepend(decode_dimmable, scrolled_window);
 135
 136     return(page_hb);
 137 }