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/* software_update.h
* Wrappers and routines to check for software updates.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later*/
#include "config.h"
#include "software_update.h"
#include "language.h"
#include "../epan/prefs.h"
/*
* Version 0 of the update URI path has the following elements:
* - The update path prefix (fixed, "update")
* - The schema version (fixed, 0)
* - The application name (fixed, "Wireshark")
* - The application version ("<major>.<minor>.<micro>")
* - The operating system (varable, one of "windows" or "osx")
* - The architecture name (variable, one of "x86", "x86-64")
* - The locale (fixed, "en-US)
* - The update channel (variable, one of "development" or "stable") + .xml
*
* Based on https://wiki.mozilla.org/Software_Update:Checking_For_Updates
*/
#ifdef HAVE_SOFTWARE_UPDATE
#define SU_SCHEMA_PREFIX "update"
#define SU_SCHEMA_VERSION 0
#define SU_APPLICATION "Wireshark"
#define SU_LOCALE "en-US"
#endif /* HAVE_SOFTWARE_UPDATE */
#if defined(HAVE_SOFTWARE_UPDATE) && defined (_WIN32)
#include "glib.h"
#include <winsparkle.h>
#define SU_OSNAME "Windows"
static GString *update_url_str = NULL;
static const char *get_appcast_update_url(software_update_channel_e chan) {
const char *chan_name;
const char *arch = "x86";
if (!update_url_str) {
update_url_str = g_string_new("");
}
/* XXX Add WOW64 checks similar to version_info.c? */
if (sizeof(arch) != 4) {
arch = "x86-64";
}
switch (chan) {
case UPDATE_CHANNEL_DEVELOPMENT:
chan_name = "development";
break;
default:
chan_name = "stable";
break;
}
g_string_printf(update_url_str, "https://www.wireshark.org/%s/%u/%s/%s/%s/%s/en-US/%s.xml",
SU_SCHEMA_PREFIX,
SU_SCHEMA_VERSION,
SU_APPLICATION,
VERSION,
SU_OSNAME,
arch,
chan_name);
return update_url_str->str;
}
/** Initialize software updates.
*/
void
software_update_init(void) {
const char *update_url = get_appcast_update_url(prefs.gui_update_channel);
/*
* According to the WinSparkle 0.5 documentation these must be called
* once, before win_sparkle_init. We can't update them dynamically when
* our preferences change.
*/
win_sparkle_set_registry_path("Software\\Wireshark\\WinSparkle Settings");
win_sparkle_set_appcast_url(update_url);
win_sparkle_set_automatic_check_for_updates(prefs.gui_update_enabled ? 1 : 0);
win_sparkle_set_update_check_interval(prefs.gui_update_interval);
win_sparkle_set_can_shutdown_callback(software_update_can_shutdown_callback);
win_sparkle_set_shutdown_request_callback(software_update_shutdown_request_callback);
if ((language != NULL) && (strcmp(language, "system") != 0)) {
win_sparkle_set_lang(language);
}
win_sparkle_init();
}
/** Force a software update check.
*/
void
software_update_check(void) {
win_sparkle_check_update_with_ui();
}
/** Clean up software update checking.
*
* Does nothing on platforms that don't support software updates.
*/
extern void software_update_cleanup(void) {
win_sparkle_cleanup();
}
#else /* defined(HAVE_SOFTWARE_UPDATE) && defined (_WIN32) */
/** Initialize software updates.
*/
void
software_update_init(void) {
}
/** Force a software update check.
*/
void
software_update_check(void) {
}
/** Clean up software update checking.
*/
void software_update_cleanup(void) {
}
/** Check to see if Wireshark can shut down safely (e.g. offer to save the
* current capture).
*/
int software_update_can_shutdown_callback(void) {
return FALSE;
}
/** Shut down Wireshark in preparation for an upgrade.
*/
void software_update_shutdown_request_callback(void) {
}
#endif /* defined(HAVE_SOFTWARE_UPDATE) && defined (_WIN32) */
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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