Add automatic software update checks for Win32 using WinSparkle. Add

preferences (currently hidden) to disable updates, set the update
frequency, and set the update "channel" (stable vs development). Add a
"Help" menu item to manually check for updates.

svn path=/trunk/; revision=47748

1 files changed, 157 insertions, 0 deletions

diff --git a/ui/software_update.c b/ui/software_update.c
new file mode 100755
index 0000000000..7e6c366050
--- /dev/null
+++ b/ui/software_update.c
@@ -0,0 +1,157 @@
+/* software_update.h
+ * Wrappers and routines to check for software updates.
+ *
+ * $Id$
+ *
+ * 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 "software_update.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("");
+    }
+    
+#if 0
+    /* XXX Add WOW64 checks similar to version_info.c? */
+    if (sizeof(arch) != 4) {
+        arch = "x86-64";
+    }
+#endif
+    
+    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(UPDATE_CHANNEL_DEVELOPMENT);
+    
+    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_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.
+ *
+ * Does nothing on platforms that don't support software updates. 
+ */
+extern void software_update_cleanup(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:
+ */
+