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/* export_sslkeys.c
*
* Export SSL Session Keys dialog
* by Sake Blok <sake@euronet.nl> (20110526)
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <ctype.h>
#include <string.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <wsutil/file_util.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#if GTK_CHECK_VERSION(3,0,0)
# include <gdk/gdkkeysyms-compat.h>
#endif
#include <wsutil/filesystem.h>
#include <epan/packet.h>
#include <epan/epan_dissect.h>
#include <epan/charsets.h>
#include <epan/prefs.h>
#include "ui/alert_box.h"
#include "ui/last_open_dir.h"
#include "ui/progress_dlg.h"
#include "ui/recent.h"
#include "ui/simple_dialog.h"
#include "ui/ssl_key_export.h"
#include "ui/ui_util.h"
#include "ui/gtk/keys.h"
#include "ui/gtk/color_utils.h"
#include "ui/gtk/packet_win.h"
#include "ui/gtk/file_dlg.h"
#include "ui/gtk/gui_utils.h"
#include "ui/gtk/gtkglobals.h"
#include "ui/gtk/font_utils.h"
#include "ui/gtk/webbrowser.h"
#include "ui/gtk/main.h"
#include "ui/gtk/export_sslkeys.h"
#ifdef _WIN32
#include <gdk/gdkwin32.h>
#include <windows.h>
#include "ui/win32/file_dlg_win32.h"
#endif
/* save the SSL Session Keys */
static gboolean
savesslkeys_save_clicked_cb(char *file, gchar *keylist)
{
int fd;
fd = ws_open(file, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0666);
if (fd == -1) {
open_failure_alert_box(file, errno, TRUE);
return FALSE;
}
/*
* Thanks, Microsoft, for not using size_t for the third argument to
* _write(). Presumably this string will be <= 4GiB long....
*/
if (ws_write(fd, keylist, (unsigned int)strlen(keylist)) < 0) {
write_failure_alert_box(file, errno);
ws_close(fd);
return FALSE;
}
if (ws_close(fd) < 0) {
write_failure_alert_box(file, errno);
return FALSE;
}
g_free(keylist);
return TRUE;
}
/* Launch the dialog box to put up the file selection box etc */
#ifdef _WIN32
void
savesslkeys_cb(GtkWidget * w _U_, gpointer data _U_)
{
win32_export_sslkeys_file(GDK_WINDOW_HWND(gtk_widget_get_window(top_level)));
return;
}
#else
static char *
gtk_export_sslkeys_file(guint keylist_len)
{
GtkWidget *savesslkeys_dlg;
gchar *label;
GtkWidget *dlg_lb;
char *pathname;
/*
* Build the dialog box we need.
*/
savesslkeys_dlg = file_selection_new("Wireshark: Export SSL Session Keys",
GTK_WINDOW(top_level),
FILE_SELECTION_SAVE);
/* label */
label = g_strdup_printf("Will save %u SSL Session %s to specified file.",
keylist_len, plurality(keylist_len, "key", "keys"));
dlg_lb = gtk_label_new(label);
g_free(label);
file_selection_set_extra_widget(savesslkeys_dlg, dlg_lb);
gtk_widget_show(dlg_lb);
pathname = file_selection_run(savesslkeys_dlg);
if (pathname == NULL) {
/* User cancelled or closed the dialog. */
return NULL;
}
/* We've crosed the Rubicon; get rid of the dialog box. */
window_destroy(savesslkeys_dlg);
return pathname;
}
void
savesslkeys_cb(GtkWidget * w _U_, gpointer data _U_)
{
char *pathname;
guint keylist_len;
gchar *keylist;
keylist_len = ssl_session_key_count();
/* don't show up the dialog, if no data has to be saved */
if (keylist_len==0) {
/* shouldn't happen as the menu item should have been greyed out */
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "There are no SSL Session Keys to save.");
return;
}
/*
* Retrieve the info we need
*/
keylist = ssl_export_sessions();
/*
* Loop until the user either selects a file or gives up.
*/
for (;;) {
pathname = gtk_export_sslkeys_file(keylist_len);
if (pathname == NULL) {
/* User gave up. */
break;
}
if (savesslkeys_save_clicked_cb(pathname, keylist)) {
/* We succeeded. */
g_free(pathname);
break;
}
/* Dump failed; let the user select another file or give up. */
g_free(pathname);
}
}
#endif
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