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decode_as_dlg.c
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/* decode_as_dlg.c
*
* $Id$
*
* Routines to modify dissector tables on the fly.
*
* By David Hampton <dhampton@mac.com>
* Copyright 2001 David Hampton
*
* 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 <string.h>
#include <gtk/gtk.h>
#include <epan/packet.h>
#include <epan/ipproto.h>
#include <epan/epan_dissect.h>
#include "../globals.h"
#include "../simple_dialog.h"
#include "gtk/decode_as_dlg.h"
#include "gtk/dlg_utils.h"
#include "gtk/gui_utils.h"
#include "gtk/decode_as_dcerpc.h"
#include "gtk/decode_as_ber.h"
#include "gtk/help_dlg.h"
#undef DEBUG
/**************************************************/
/* Typedefs & Enums */
/**************************************************/
/*
* Enum used to track which transport layer port menu item is
* currently selected in the dialog. These items are labeled "source",
* "destination", and "source/destination".
*/
enum srcdst_type {
/* The "source port" menu item is currently selected. */
E_DECODE_SPORT,
/* The "destination port" menu item is currently selected. */
E_DECODE_DPORT,
/* The "source/destination port" menu item is currently selected. */
E_DECODE_BPORT,
/* For SCTP only. This MUST be the last entry! */
E_DECODE_PPID
};
#define E_DECODE_MIN_HEIGHT 300
#define E_NOTEBOOK "notebook"
#define E_MENU_SRCDST "menu_src_dst"
#define E_PAGE_DPORT "dport"
#define E_PAGE_SPORT "sport"
#define E_PAGE_PPID "ppid"
#define E_PAGE_ASN1 "asn1"
/*
* Columns for a "Display" list
*/
#define E_LIST_D_TABLE 0
#define E_LIST_D_SELECTOR 1
#define E_LIST_D_INITIAL 2
#define E_LIST_D_CURRENT 3
#define E_LIST_D_MAX E_LIST_D_CURRENT
#define E_LIST_D_COLUMNS (E_LIST_D_MAX + 1)
/**************************************************/
/* File Global Variables */
/**************************************************/
/*
* Keep a static pointer to the current "Decode As" window. This is
* kept so that if somebody tries to do "Tools:Decode As" while
* there's already a "Decode As" window up, we just pop up the
* existing one, rather than creating a new one.
*/
static GtkWidget *decode_w = NULL;
/*
* A static pointer to the current "Decode As:Show" window. This is
* kept so that if somebody tries to do clock the "Show Current"
* button or select the "Display:User Specified Decodes" menu item
* while there's already a "Decode As:Show" window up, we just pop up
* the existing one, rather than creating a new one.
*/
static GtkWidget *decode_show_w = NULL;
/*
* A list of the dialog items that only have meaning when the user has
* selected the "Decode" radio button. When the "Do not decode"
* button is selected these items should be dimmed.
*/
GSList *decode_dimmable = NULL;
/*
* Remember the "action" radio button that is currently selected in
* the dialog. This value is initialized when the dialog is created,
* modified in a callback routine, and read in the routine that
* handles a click in the "OK" button for the dialog.
*/
enum action_type requested_action = -1;
/**************************************************/
/* Global Functions */
/**************************************************/
/* init this module */
void decode_as_init(void) {
decode_dcerpc_init();
}
/**************************************************/
/* Reset Changed Dissectors */
/**************************************************/
/*
* Data structure for tracking which dissector need to be reset. This
* structure is necessary as a hash table entry cannot be removed
* while a g_hash_table_foreach walk is in progress.
*/
struct dissector_delete_item {
/* The name of the dissector table */
const gchar *ddi_table_name;
/* The type of the selector in that dissector table */
ftenum_t ddi_selector_type;
/* The selector in the dissector table */
union {
guint sel_uint;
char *sel_string;
} ddi_selector;
};
/*
* A typedef for the data structure to track the original dissector
* used for any given port on any given protocol.
*/
typedef struct dissector_delete_item dissector_delete_item_t;
/*
* A list of dissectors that need to be reset.
*/
GSList *dissector_reset_list = NULL;
/*
* This routine creates one entry in the list of protocol dissector
* that need to be reset. It is called by the g_hash_table_foreach
* routine once for each changed entry in a dissector table.
* Unfortunately it cannot delete the entry immediately as this screws
* up the foreach function, so it builds a list of dissectors to be
* reset once the foreach routine finishes.
*
* @param table_name The table name in which this dissector is found.
*
* @param key A pointer to the key for this entry in the dissector
* hash table. This is generally the numeric selector of the
* protocol, i.e. the ethernet type code, IP port number, TCP port
* number, etc.
*
* @param value A pointer to the value for this entry in the dissector
* hash table. This is an opaque pointer that can only be handed back
* to routine in the file packet.c - but it's unused.
*
* @param user_data Unused.
*/
static void
decode_build_reset_list (const gchar *table_name, ftenum_t selector_type,
gpointer key, gpointer value _U_,
gpointer user_data _U_)
{
dissector_delete_item_t *item;
item = g_malloc(sizeof(dissector_delete_item_t));
item->ddi_table_name = table_name;
item->ddi_selector_type = selector_type;
switch (selector_type) {
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
item->ddi_selector.sel_uint = GPOINTER_TO_UINT(key);
break;
case FT_STRING:
case FT_STRINGZ:
item->ddi_selector.sel_string = key;
break;
default:
g_assert_not_reached();
}
dissector_reset_list = g_slist_prepend(dissector_reset_list, item);
}
/**************************************************/
/* Show Changed Dissectors */
/**************************************************/
#define SORT_ALPHABETICAL 0
static gint
sort_iter_compare_func (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer userdata)
{
gint sortcol = GPOINTER_TO_INT(userdata);
gint ret = 0;
switch (sortcol)
{
case SORT_ALPHABETICAL:
{
gchar *name1, *name2;
gtk_tree_model_get(model, a, 0, &name1, -1);
gtk_tree_model_get(model, b, 0, &name2, -1);
if (name1 == NULL || name2 == NULL)
{
if (name1 == NULL && name2 == NULL)
break; /* both equal => ret = 0 */
ret = (name1 == NULL) ? -1 : 1;
}
else
{
ret = g_ascii_strcasecmp(name1,name2);
}
g_free(name1);
g_free(name2);
}
break;
default:
g_return_val_if_reached(0);
}
return ret;
}
void
decode_add_to_show_list (
gpointer list_data,
const gchar *table_name,
gchar *selector_name,
const gchar *initial_proto_name,
const gchar *current_proto_name)
{
const gchar *text[E_LIST_D_COLUMNS];
GtkListStore *store;
GtkTreeIter iter;
store = (GtkListStore *)list_data;
text[E_LIST_D_TABLE] = table_name;
text[E_LIST_D_SELECTOR] = selector_name;
text[E_LIST_D_INITIAL] = initial_proto_name;
text[E_LIST_D_CURRENT] = current_proto_name;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, E_LIST_D_TABLE, text[E_LIST_D_TABLE],
E_LIST_D_SELECTOR, text[E_LIST_D_SELECTOR],
E_LIST_D_INITIAL, text[E_LIST_D_INITIAL],
E_LIST_D_CURRENT, text[E_LIST_D_CURRENT], -1);
}
/*
* This routine creates one entry in the list of protocol dissector
* that have been changed. It is called by the g_hash_foreach routine
* once for each changed entry in a dissector table.
*
* @param table_name The table name in which this dissector is found.
*
* @param key A pointer to the key for this entry in the dissector
* hash table. This is generally the numeric selector of the
* protocol, i.e. the ethernet type code, IP port number, TCP port
* number, etc.
*
* @param value A pointer to the value for this entry in the dissector
* hash table. This is an opaque pointer that can only be handed back
* to routine in the file packet.c
*
* @param user_data A pointer to the list in which this information
* should be stored.
*/
static void
decode_build_show_list (const gchar *table_name, ftenum_t selector_type,
gpointer key, gpointer value, gpointer user_data)
{
dissector_handle_t current, initial;
const gchar *current_proto_name, *initial_proto_name;
gchar *selector_name;
gchar string1[20];
g_assert(user_data);
g_assert(value);
current = dtbl_entry_get_handle(value);
if (current == NULL)
current_proto_name = "(none)";
else
current_proto_name = dissector_handle_get_short_name(current);
initial = dtbl_entry_get_initial_handle(value);
if (initial == NULL)
initial_proto_name = "(none)";
else
initial_proto_name = dissector_handle_get_short_name(initial);
switch (selector_type) {
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
switch (get_dissector_table_base(table_name)) {
case BASE_DEC:
g_snprintf(string1, sizeof(string1), "%u", GPOINTER_TO_UINT(key));
break;
case BASE_HEX:
switch (get_dissector_table_selector_type(table_name)) {
case FT_UINT8:
g_snprintf(string1, sizeof(string1), "0x%02x", GPOINTER_TO_UINT(key));
break;
case FT_UINT16:
g_snprintf(string1, sizeof(string1), "0x%04x", GPOINTER_TO_UINT(key));
break;
case FT_UINT24:
g_snprintf(string1, sizeof(string1), "0x%06x", GPOINTER_TO_UINT(key));
break;
case FT_UINT32:
g_snprintf(string1, sizeof(string1), "0x%08x", GPOINTER_TO_UINT(key));
break;
default:
g_assert_not_reached();
break;
}
break;
case BASE_OCT:
g_snprintf(string1, sizeof(string1), "%#o", GPOINTER_TO_UINT(key));
break;
}
selector_name = string1;
break;
case FT_STRING:
case FT_STRINGZ:
selector_name = key;
break;
default:
g_assert_not_reached();
selector_name = NULL;
break;
}
decode_add_to_show_list (
user_data,
get_dissector_table_ui_name(table_name),
selector_name,
initial_proto_name,
current_proto_name);
}
/* clear all settings */
static void
decode_clear_all(void)
{
dissector_delete_item_t *item;
GSList *tmp;
dissector_all_tables_foreach_changed(decode_build_reset_list, NULL);
for (tmp = dissector_reset_list; tmp; tmp = g_slist_next(tmp)) {
item = tmp->data;
switch (item->ddi_selector_type) {
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
dissector_reset(item->ddi_table_name, item->ddi_selector.sel_uint);
break;
case FT_STRING:
case FT_STRINGZ:
dissector_reset_string(item->ddi_table_name,
item->ddi_selector.sel_string);
break;
default:
g_assert_not_reached();
}
g_free(item);
}
g_slist_free(dissector_reset_list);
dissector_reset_list = NULL;
decode_dcerpc_reset_all();
cf_redissect_packets(&cfile);
}
/*
* This routine is called when the user clicks the "OK" button in
* the "Decode As:Show..." dialog window. This routine destroys the
* dialog box and performs other housekeeping functions.
*
* @param GtkWidget * A pointer to the "OK" button.
*
* @param gpointer A pointer to the dialog window.
*/
static void
decode_show_ok_cb (GtkWidget *ok_bt _U_, gpointer parent_w)
{
window_destroy(GTK_WIDGET(parent_w));
}
/*
* This routine is called when the user clicks the "Clear" button in
* the "Decode As:Show..." dialog window. This routine resets all the
* dissector values and then destroys the dialog box and performs
* other housekeeping functions.
*
* @param GtkWidget * A pointer to the "Clear" button.
*
* @param gpointer A pointer to the dialog window.
*/
static void
decode_show_clear_cb (GtkWidget *clear_bt _U_, gpointer parent_w)
{
decode_clear_all();
window_destroy(GTK_WIDGET(parent_w));
}
/*
* This routine is called when the user clicks the X at the top right end in
* the "Decode As:Show..." dialog window. This routine simply calls the
* ok routine as if the user had clicked the ok button.
*
* @param GtkWidget * A pointer to the dialog box.
*
* @param gpointer Unknown
*/
static gboolean
decode_show_delete_cb (GtkWidget *decode_w _U_, gpointer dummy _U_)
{
decode_show_ok_cb(NULL, decode_show_w);
return FALSE;
}
/*
* This routine is called at the destruction of the "Decode As:Show"
* dialog box. It clears the pointer maintained by this file, so that
* the next time the user clicks the "Decode As:Show" button a new
* dialog box will be created.
*
* @param GtkWidget * A pointer to the dialog box.
*
* @param gpointer Unknown
*/
static void
decode_show_destroy_cb (GtkWidget *win _U_, gpointer user_data _U_)
{
/* Note that we no longer have a "Decode As:Show" dialog box. */
decode_show_w = NULL;
}
/*
* This routine creates the "Decode As:Show" dialog box. This dialog box
* shows the user which protocols have had their dissectors changed.
*
* @param w Unknown
* @param data Unknown
*/
void
decode_show_cb (GtkWidget * w _U_, gpointer data _U_)
{
GtkWidget *main_vb, *bbox, *ok_bt, *clear_bt, *help_bt, *scrolled_window;
const gchar *titles[E_LIST_D_COLUMNS] = {
"Table", "Value", "Initial", "Current"
};
gint column;
GtkListStore *store;
GtkTreeView *list;
GtkCellRenderer *renderer;
GtkTreeViewColumn *tc;
GtkTreeIter iter;
if (decode_show_w != NULL) {
/* There's already a "Decode As" dialog box; reactivate it. */
reactivate_window(decode_show_w);
return;
}
decode_show_w = dlg_window_new("Wireshark: Decode As: Show");
/* Provide a minimum of a couple of rows worth of data */
gtk_window_set_default_size(GTK_WINDOW(decode_show_w), -1, E_DECODE_MIN_HEIGHT);
/* Container for each row of widgets */
main_vb = gtk_vbox_new(FALSE, 2);
gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
gtk_container_add(GTK_CONTAINER(decode_show_w), main_vb);
{
/* Initialize list */
store = gtk_list_store_new(E_LIST_D_COLUMNS, G_TYPE_STRING,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
list = GTK_TREE_VIEW(tree_view_new(GTK_TREE_MODEL(store)));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(list), TRUE);
gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(list), FALSE);
gtk_tree_selection_set_mode(gtk_tree_view_get_selection(list),
GTK_SELECTION_NONE);
for (column = 0; column < E_LIST_D_COLUMNS; column++) {
renderer = gtk_cell_renderer_text_new();
tc = gtk_tree_view_column_new_with_attributes(titles[column],
renderer, "text",
column, NULL);
gtk_tree_view_column_set_sizing(tc, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(list, tc);
}
/* Add data */
dissector_all_tables_foreach_changed(decode_build_show_list, store);
g_object_unref(G_OBJECT(store));
decode_dcerpc_add_show_list(store);
/* Put clist into a scrolled window */
scrolled_window = scrolled_window_new(NULL, NULL);
/* this will result to set the width of the dialog to the required size */
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(scrolled_window),
GTK_WIDGET(list));
gtk_box_pack_start(GTK_BOX(main_vb), scrolled_window, TRUE, TRUE, 0);
}
/* Button row */
if(topic_available(HELP_DECODE_AS_SHOW_DIALOG)) {
bbox = dlg_button_row_new(GTK_STOCK_OK, GTK_STOCK_CLEAR, GTK_STOCK_HELP, NULL);
} else {
bbox = dlg_button_row_new(GTK_STOCK_OK, GTK_STOCK_CLEAR, NULL);
}
gtk_box_pack_start(GTK_BOX(main_vb), bbox, FALSE, FALSE, 0);
gtk_widget_show(bbox);
ok_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_OK);
g_signal_connect(ok_bt, "clicked", G_CALLBACK(decode_show_ok_cb), decode_show_w);
clear_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLEAR);
g_signal_connect(clear_bt, "clicked", G_CALLBACK(decode_show_clear_cb), decode_show_w);
if(topic_available(HELP_DECODE_AS_SHOW_DIALOG)) {
help_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_DECODE_AS_SHOW_DIALOG);
}
/* set ok as default, this button won't change anything */
window_set_cancel_button(decode_show_w, ok_bt, NULL);
g_signal_connect(decode_show_w, "delete_event", G_CALLBACK(decode_show_delete_cb), NULL);
g_signal_connect(decode_show_w, "destroy", G_CALLBACK(decode_show_destroy_cb), NULL);
gtk_widget_set_sensitive(clear_bt,
gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter));
gtk_widget_show_all(decode_show_w);
window_present(decode_show_w);
}
/**************************************************/
/* Modify the dissector routines */
/**************************************************/
/*
* Modify a single dissector. This routine first takes care of
* updating the internal table of original protocol/port/dissector
* combinations by adding a new entry (or removing an existing entry
* if the value is being set back to its default). This routine then
* performs the actual modification to the packet dissector tables.
*
* @param s Pointer to a string buffer. This buffer is used to build
* up a message indicating which ports have had their dissector
* changed. This output will be displayed all at once after all
* dissectors have been modified.
*
* @param table_name The table name in which the dissector should be
* modified.
*
* @param selector An enum value indication which selector value
* (i.e. IP protocol number, TCP port number, etc.)is to be changed.
*
* @param list The List in which all the selection information can
* be found.
*
* @return gchar * Pointer to the next free location in the string
* buffer.
*/
static void
decode_change_one_dissector(gchar *table_name, guint selector, GtkWidget *list)
{
dissector_handle_t handle;
gchar *abbrev;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
if (gtk_tree_selection_get_selected(selection, &model, &iter) == FALSE)
{
abbrev = NULL;
handle = NULL;
} else {
gtk_tree_model_get(model, &iter, E_LIST_S_PROTO_NAME, &abbrev,
E_LIST_S_TABLE+1, &handle, -1);
}
if (abbrev != NULL && strcmp(abbrev, "(default)") == 0) {
dissector_reset(table_name, selector);
} else {
dissector_change(table_name, selector, handle);
}
if (abbrev != NULL)
g_free(abbrev);
}
/**************************************************/
/* Action routines for the "Decode As..." dialog */
/* - called when the OK button pressed */
/* - one per notebook page */
/**************************************************/
#ifdef DEBUG
/*
* Print debugging information about clist selection. Extract all
* information from the clist entry that was selected and print it to
* a dialog window.
*
* @param clist The clist to dump.
*
* @param leadin A string to print at the start of each line.
*/
static void
decode_debug (GtkCList *clist, gchar *leadin)
{
gchar *string, *text[E_LIST_S_COLUMNS];
dissector_handle_t handle;
gint row;
if (clist->selection) {
row = GPOINTER_TO_INT(clist->selection->data);
gtk_clist_get_text(clist, row, E_LIST_S_PROTO_NAME, &text[E_LIST_S_PROTO_NAME]);
gtk_clist_get_text(clist, row, E_LIST_S_TABLE, &text[E_LIST_S_TABLE]);
handle = gtk_clist_get_row_data(clist, row);
string = g_strdup_printf("%s clist row %d: <put handle here>, name %s, table %s",
leadin, row, text[E_LIST_S_PROTO_NAME],
text[E_LIST_S_TABLE]);
} else {
string = g_strdup_printf("%s clist row (none), aka do not decode", leadin);
}
simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, string);
g_free(string);
}
#endif
/*
* This routine is called when the user clicks the "OK" button in the
* "Decode As..." dialog window and a 'simple' page is foremost.
* This routine takes care of making any changes requested to the
* dissector tables. This routine is currently used for IP and
* Ethertypes. Any 'single change' notebook page can use this
* routine.
*
* @param notebook_pg A pointer to the "network" notebook page.
*/
static void
decode_simple (GtkWidget *notebook_pg)
{
GtkWidget *list;
#ifdef DEBUG
gchar *string;
#endif
gchar *table_name;
guint value;
list = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_LIST);
if (requested_action == E_DECODE_NO)
gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(GTK_TREE_VIEW(list)));
#ifdef DEBUG
string = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_TITLE);
decode_debug(GTK_CLIST(list), string);
#endif
table_name = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_TABLE);
value = GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_VALUE));
decode_change_one_dissector(table_name, value, list);
}
/*
* This routine is called when the user clicks the "OK" button in the
* "Decode As..." dialog window and the transport page is foremost.
* This routine takes care of making any changes requested to the TCP
* or UDP dissector tables.
*
* @param notebook_pg A pointer to the "transport" notebook page.
*/
static void
decode_transport(GtkWidget *notebook_pg)
{
GtkWidget *menu, *menuitem;
GtkWidget *list;
gchar *table_name;
gint requested_srcdst, requested_port, ppid;
gpointer portp;
list = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_LIST);
if (requested_action == E_DECODE_NO)
gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(GTK_TREE_VIEW(list)));
menu = g_object_get_data(G_OBJECT(notebook_pg), E_MENU_SRCDST);
menuitem = gtk_menu_get_active(GTK_MENU(menu));
requested_srcdst = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem), "user_data"));
#ifdef DEBUG
string = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_TITLE);
decode_debug(GTK_CLIST(list), string);
#endif
table_name = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_TABLE);
if (requested_srcdst >= E_DECODE_PPID) {
if (requested_srcdst == E_DECODE_PPID)
ppid = 0;
else
if (requested_srcdst - E_DECODE_PPID - 1 < MAX_NUMBER_OF_PPIDS)
ppid = cfile.edt->pi.ppid[requested_srcdst - E_DECODE_PPID - 1];
else
return;
decode_change_one_dissector(table_name, ppid, list);
return;
}
if (requested_srcdst != E_DECODE_DPORT) {
portp = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_SPORT);
if (portp != NULL) {
requested_port = GPOINTER_TO_INT(portp);
decode_change_one_dissector(table_name, requested_port, list);
}
}
if (requested_srcdst != E_DECODE_SPORT) {
portp = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_DPORT);
if (portp != NULL) {
requested_port = GPOINTER_TO_INT(portp);
decode_change_one_dissector(table_name, requested_port, list);
}
}
}
/**************************************************/
/* Signals from the "Decode As..." dialog */
/**************************************************/
/*
* This routine is called when the user clicks the "OK" button in the
* "Decode As..." dialog window. This routine calls various helper
* routines to set/clear dissector values as requested by the user.
* These routines accumulate information on what actions they have
* taken, and this summary information is printed by this routine.
* This routine then destroys the dialog box and performs other
* housekeeping functions.
*
* @param ok_bt A pointer to the "OK" button.
*
* @param parent_w A pointer to the dialog window.
*/
static void
decode_ok_cb (GtkWidget *ok_bt _U_, gpointer parent_w)
{
GtkWidget *notebook, *notebook_pg;
void (* func)(GtkWidget *);
gint page_num;
void *binding = NULL;
/* Call the right routine for the page that was currently in front. */
notebook = g_object_get_data(G_OBJECT(parent_w), E_NOTEBOOK);
page_num = gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook));
notebook_pg = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), page_num);
func = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_ACTION);
func(notebook_pg);
/* Now destroy the "Decode As" dialog. */
notebook_pg = g_object_get_data(G_OBJECT(parent_w), E_PAGE_DCERPC);
if(notebook_pg) {
binding = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_BINDING);
}
if(binding) {
decode_dcerpc_binding_free(binding);
}
window_destroy(GTK_WIDGET(parent_w));
g_slist_free(decode_dimmable);
decode_dimmable = NULL;
cf_redissect_packets(&cfile);
}
/*
* This routine is called when the user clicks the "Apply" button in the
* "Decode As..." dialog window. This routine calls various helper
* routines to set/clear dissector values as requested by the user.
* These routines accumulate information on what actions they have
* taken, and this summary information is printed by this routine.
*
* @param apply_bt A pointer to the "Apply" button.
*
* @param parent_w A pointer to the dialog window.
*/
static void
decode_apply_cb (GtkWidget *apply_bt _U_, gpointer parent_w)
{
GtkWidget *notebook, *notebook_pg;
void (* func)(GtkWidget *);
gint page_num;
/* Call the right routine for the page that was currently in front. */
notebook = g_object_get_data(G_OBJECT(parent_w), E_NOTEBOOK);
page_num = gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook));
notebook_pg = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), page_num);
func = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_ACTION);
func(notebook_pg);
cf_redissect_packets(&cfile);
}
/*
* This routine is called when the user clicks the "Close" button in
* the "Decode As..." dialog window. This routine then destroys the
* dialog box and performs other housekeeping functions.
*
* @param close_bt A pointer to the "Close" button.
*
* @param parent_w A pointer to the dialog window.
*/
static void
decode_close_cb (GtkWidget *close_bt _U_, gpointer parent_w)
{
GtkWidget *notebook_pg = NULL;
void *binding = NULL;
notebook_pg = g_object_get_data(G_OBJECT(parent_w), E_PAGE_DCERPC);
if(notebook_pg) {
binding = g_object_get_data(G_OBJECT(notebook_pg), E_PAGE_BINDING);
}
if(binding) {
decode_dcerpc_binding_free(binding);
}
window_destroy(GTK_WIDGET(parent_w));
g_slist_free(decode_dimmable);
decode_dimmable = NULL;
}
/*
* This routine is called when the user clicks the "Close" button in
* the "Decode As..." dialog window. This routine simply calls the
* close routine as if the user had clicked the close button instead
* of the close button.
*
* @param decode_w A pointer to the dialog box.
*
* @param dummy Unknown
*/
static gboolean
decode_delete_cb (GtkWidget *decode_w, gpointer dummy _U_)
{
decode_close_cb(NULL, decode_w);
return FALSE;
}
/*
* This routine is called at the destruction of the "Decode As..."
* dialog box. It clears the pointer maintained by this file, so that
* the next time the user selects the "Decode As..." menu item a new
* dialog box will be created.
*
* @param decode_w A pointer to the dialog box.
*
* @param user_data Unknown
*
* @return void
*/
static void
decode_destroy_cb (GtkWidget *win _U_, gpointer user_data _U_)
{
/* Note that we no longer have a "Decode As" dialog box. */
decode_w = NULL;
}
/*
* This routine is called when the user clicks the "Clear" button in
* the "Decode As..." dialog window. This routine resets all the
* dissector values and performs other housekeeping functions.
*
* @param GtkWidget * A pointer to the "Clear" button.
* @param gpointer A pointer to the dialog window.
*/
static void
decode_clear_cb(GtkWidget *clear_bt _U_, gpointer parent_w _U_)
{
decode_clear_all();
}
/**************************************************/
/* Dialog setup - radio buttons */
/**************************************************/
/*
* Update the requested action field of the dialog. This routine is
* called by GTK when either of the two radio buttons in the dialog is
* clicked.
*
* @param w The radio button that was clicked.
*
* @param data The enum value assigned to this radio button. This
* will be either E_DECODE_YES or E_DECODE_NO
*/
static void
decode_update_action (GtkWidget *w _U_, gpointer data)
{
GSList *tmp;
gboolean enable;
requested_action = GPOINTER_TO_INT(data);
enable = (requested_action == E_DECODE_YES);
for (tmp = decode_dimmable; tmp; tmp = g_slist_next(tmp)) {
gtk_widget_set_sensitive(tmp->data, enable);
}
}
/*
* This routine is called to create the "Decode" and "Do not decode"
* radio buttons. These buttons are installed into a vbox, and set up
* as a format group.
*
* @return GtkWidget * A pointer to the vbox containing the buttons
*/
static GtkWidget *
decode_add_yes_no (void)
{
GtkWidget *format_vb, *radio_button;