Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 190 insertions, 0 deletions

diff --git a/ui/software_update.c b/ui/software_update.c
new file mode 100644
index 0000000..52f4576
--- /dev/null
+++ b/ui/software_update.c
@@ -0,0 +1,190 @@
+/* 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"
+#include "../wsutil/filesystem.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 (variable, "Wireshark" or "Logray")
+ * - The application version ("<major>.<minor>.<micro>")
+ * - The operating system (variable, one of "Windows" or "macOS")
+ * - The architecture name (variable, one of "x86", "x86-64", or "arm64")
+ * - 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
+ *
+ * To do for version 1:
+ * - Distinguish between NSIS (.exe) and WiX (.msi) on Windows.
+ */
+
+#ifdef HAVE_SOFTWARE_UPDATE
+#define SU_SCHEMA_PREFIX "update"
+#define SU_SCHEMA_VERSION 0
+#define SU_LOCALE "en-US"
+#endif /* HAVE_SOFTWARE_UPDATE */
+
+#ifdef HAVE_SOFTWARE_UPDATE
+
+#include "glib.h"
+
+#ifdef _WIN32
+#include <winsparkle.h>
+#define SU_OSNAME "Windows"
+#elif defined(__APPLE__)
+#include <macosx/sparkle_bridge.h>
+#define SU_OSNAME "macOS"
+#else
+#error HAVE_SOFTWARE_UPDATE can only be defined for Windows or macOS.
+#endif
+
+// https://sourceforge.net/p/predef/wiki/Architectures/
+#if defined(__x86_64__) || defined(_M_X64)
+#define SU_ARCH "x86-64"
+#elif defined(__i386__) || defined(_M_IX86)
+#define SU_ARCH "x86"
+#elif defined(__arm64__) || defined(_M_ARM64)
+#define SU_ARCH "arm64"
+#else
+#error HAVE_SOFTWARE_UPDATE can only be defined for x86-64 or x86 or arm64.
+#endif
+
+static char *get_appcast_update_url(software_update_channel_e chan) {
+    GString *update_url_str = g_string_new("");;
+    const char *chan_name;
+    const char *su_application = get_configuration_namespace();
+    const char *su_version = VERSION;
+
+    if (!is_packet_configuration_namespace()) {
+        su_version = LOG_VERSION;
+    }
+
+    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,
+                    su_version,
+                    SU_OSNAME,
+                    SU_ARCH,
+                    chan_name);
+    return g_string_free(update_url_str, FALSE);
+}
+
+#ifdef _WIN32
+/** 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();
+}
+
+const char *software_update_info(void) {
+    return "WinSparkle " WIN_SPARKLE_VERSION_STRING;
+}
+
+#elif defined (__APPLE__)
+/** Initialize software updates.
+ */
+void
+software_update_init(void) {
+    char *update_url = get_appcast_update_url(prefs.gui_update_channel);
+
+    sparkle_software_update_init(update_url, prefs.gui_update_enabled, prefs.gui_update_interval);
+
+    g_free(update_url);
+}
+
+/** Force a software update check.
+ */
+void
+software_update_check(void) {
+    sparkle_software_update_check();
+}
+
+/** Clean up software update checking.
+ */
+void software_update_cleanup(void) {
+}
+
+const char *software_update_info(void) {
+    return "Sparkle";
+}
+#endif
+
+#else /* No updates */
+
+/** 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) {
+}
+
+const char *software_update_info(void) {
+    return NULL;
+}
+
+#endif /* defined(HAVE_SOFTWARE_UPDATE) && defined (_WIN32) */