![Guy Harris](/assets/img/avatar_default.png)
move it to the top-level source directory for now, and move ui/gtk/recent.h to the ui directory. svn path=/trunk/; revision=40561
276 lines
8.5 KiB
C
276 lines
8.5 KiB
C
/* export_sslkeys.c
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*
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* $Id$
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*
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* Export SSL Session Keys dialog
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* by Sake Blok <sake@euronet.nl> (20110526)
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <ctype.h>
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#include <string.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <wsutil/file_util.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#if GTK_CHECK_VERSION(3,0,0)
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# include <gdk/gdkkeysyms-compat.h>
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#endif
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#include <epan/filesystem.h>
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#include <epan/packet.h>
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#include <epan/epan_dissect.h>
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#include <epan/charsets.h>
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#include <epan/prefs.h>
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#include <epan/dissectors/packet-ssl.h>
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#include <epan/dissectors/packet-ssl-utils.h>
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#include "../isprint.h"
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#include "ui/alert_box.h"
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#include "ui/last_open_dir.h"
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#include "ui/progress_dlg.h"
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#include "ui/recent.h"
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#include "ui/simple_dialog.h"
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#include "ui/ui_util.h"
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#include "ui/gtk/keys.h"
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#include "ui/gtk/color_utils.h"
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#include "ui/gtk/capture_file_dlg.h"
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#include "ui/gtk/packet_win.h"
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#include "ui/gtk/file_dlg.h"
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#include "ui/gtk/gui_utils.h"
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#include "ui/gtk/gtkglobals.h"
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#include "ui/gtk/font_utils.h"
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#include "ui/gtk/webbrowser.h"
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#include "ui/gtk/main.h"
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#include "ui/gtk/menus.h"
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#include "ui/gtk/export_sslkeys.h"
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#ifdef _WIN32
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#include <gdk/gdkwin32.h>
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#include <windows.h>
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#include "ui/win32/file_dlg_win32.h"
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#endif
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static void
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ssl_export_sessions_func(gpointer key, gpointer value, gpointer user_data)
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{
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guint i;
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size_t offset;
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StringInfo* sslid = (StringInfo*)key;
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StringInfo* mastersecret = (StringInfo*)value;
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StringInfo* keylist = (StringInfo*)user_data;
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offset = strlen(keylist->data);
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/*
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* XXX - should this be a string that grows as necessary to hold
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* everything in it?
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*/
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g_snprintf(keylist->data+offset,(gulong)(keylist->data_len-offset),"RSA Session-ID:");
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offset += 15;
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for( i=0; i<sslid->data_len; i++) {
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g_snprintf(keylist->data+offset,(gulong)(keylist->data_len-offset),"%.2x",sslid->data[i]&255);
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offset += 2;
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}
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g_snprintf(keylist->data+offset,(gulong)(keylist->data_len-offset)," Master-Key:");
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offset += 12;
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for( i=0; i<mastersecret->data_len; i++) {
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g_snprintf(keylist->data+offset,(gulong)(keylist->data_len-offset),"%.2x",mastersecret->data[i]&255);
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offset += 2;
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}
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g_snprintf(keylist->data+offset,(gulong)(keylist->data_len-offset),"\n");
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}
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StringInfo*
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ssl_export_sessions(GHashTable *session_hash)
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{
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StringInfo* keylist;
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/* Output format is:
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* "RSA Session-ID:xxxx Master-Key:yyyy\n"
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* Where xxxx is the session ID in hex (max 64 chars)
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* Where yyyy is the Master Key in hex (always 96 chars)
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* So in total max 3+1+11+64+1+11+96+2 = 189 chars
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*/
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keylist = g_malloc0(sizeof(StringInfo)+189*g_hash_table_size (session_hash));
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keylist->data = ((guchar*)keylist+sizeof(StringInfo));
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keylist->data_len = sizeof(StringInfo)+189*g_hash_table_size (session_hash);
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g_hash_table_foreach(session_hash, ssl_export_sessions_func, (gpointer)keylist);
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return keylist;
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}
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static GtkWidget *savesslkeys_dlg=NULL;
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static void
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savesslkeys_dlg_destroy_cb(GtkWidget *w _U_, gpointer user_data _U_)
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{
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savesslkeys_dlg = NULL;
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}
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/* save the SSL Session Keys */
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static gboolean
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savesslkeys_save_clicked_cb(GtkWidget * w _U_, gpointer data _U_)
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{
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int fd;
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char *file;
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StringInfo *keylist;
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file = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(savesslkeys_dlg));
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if (test_for_directory(file) == EISDIR) {
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/* It's a directory - set the file selection box to display that
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directory, and leave the selection box displayed. */
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set_last_open_dir(file);
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g_free(file);
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file_selection_set_current_folder(savesslkeys_dlg, get_last_open_dir());
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gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(savesslkeys_dlg), "");
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return FALSE; /* do gtk_dialog_run again */
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}
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/* XXX: Must check if file name exists first */
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/*
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* Retrieve the info we need
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*/
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keylist = ssl_export_sessions(ssl_session_hash);
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if (keylist->data_len == 0 ) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"No SSL Session Keys to export!");
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g_free(keylist);
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g_free(file);
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return TRUE;
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}
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fd = ws_open(file, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0666);
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if (fd == -1) {
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open_failure_alert_box(file, errno, TRUE);
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g_free(keylist);
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g_free(file);
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return TRUE;
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}
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/*
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* Thanks, Microsoft, for not using size_t for the third argument to
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* _write(). Presumably this string will be <= 4GiB long....
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*/
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if (ws_write(fd, keylist->data, (unsigned int)strlen(keylist->data)) < 0) {
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write_failure_alert_box(file, errno);
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ws_close(fd);
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g_free(keylist);
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g_free(file);
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return TRUE;
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}
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if (ws_close(fd) < 0) {
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write_failure_alert_box(file, errno);
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g_free(keylist);
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g_free(file);
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return TRUE;
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}
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/* Get rid of the dialog box */
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g_free(keylist);
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g_free(file);
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return TRUE;
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}
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/* Launch the dialog box to put up the file selection box etc */
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#ifdef _WIN32
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void
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savesslkeys_cb(GtkWidget * w _U_, gpointer data _U_)
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{
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win32_export_sslkeys_file(GDK_WINDOW_HWND(gtk_widget_get_window(top_level)));
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return;
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}
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#else
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void
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savesslkeys_cb(GtkWidget * w _U_, gpointer data _U_)
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{
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gchar *label;
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GtkWidget *dlg_lb;
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guint keylist_len;
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keylist_len = g_hash_table_size(ssl_session_hash);
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/* don't show up the dialog, if no data has to be saved */
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if (keylist_len==0) {
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/* shouldn't happen as the menu item should have been greyed out */
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "There are no SSL Session Keys to save!");
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return;
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}
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/*
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* Build the dialog box we need.
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*/
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savesslkeys_dlg = file_selection_new("Wireshark: Export SSL Session Keys", FILE_SELECTION_SAVE);
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gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(savesslkeys_dlg), TRUE);
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/* label */
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label = g_strdup_printf("Will save %u SSL Session %s to specified file.",
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keylist_len, plurality(keylist_len, "key", "keys"));
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dlg_lb = gtk_label_new(label);
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g_free(label);
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file_selection_set_extra_widget(savesslkeys_dlg, dlg_lb);
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gtk_widget_show(dlg_lb);
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g_signal_connect(savesslkeys_dlg, "destroy", G_CALLBACK(savesslkeys_dlg_destroy_cb), NULL);
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/* "Run" the GtkFileChooserDialog. */
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/* Upon exit: If "Accept" run the OK callback. */
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/* If the OK callback returns with a FALSE status, re-run the dialog.*/
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/* If not accept (ie: cancel) destroy the window. */
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/* XXX: If the OK callback pops up an alert box (eg: for an error) it *must* */
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/* return with a TRUE status so that the dialog window will be destroyed. */
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/* Trying to re-run the dialog after popping up an alert box will not work */
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/* since the user will not be able to dismiss the alert box. */
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/* The (somewhat unfriendly) effect: the user must re-invoke the */
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/* GtkFileChooserDialog whenever the OK callback pops up an alert box. */
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/* */
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/* ToDo: use GtkFileChooserWidget in a dialog window instead of */
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/* GtkFileChooserDialog. */
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while (gtk_dialog_run(GTK_DIALOG(savesslkeys_dlg)) == GTK_RESPONSE_ACCEPT) {
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if (savesslkeys_save_clicked_cb(NULL, savesslkeys_dlg)) {
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break; /* we're done */
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}
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}
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window_destroy(savesslkeys_dlg);
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}
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#endif
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