[evolution] Bug 585301 - Use NSS SQLite database, if available

[Matthew Barnes <mbarnes src gnome org>]

commit 0f474eaef3ac90f9dd5eb946bca8b36040f4c85e
Author: Craig Ringer <craig postnewspapers com au>
Date:   Sat May 29 15:26:53 2010 -0400

    Bug 585301 - Use NSS SQLite database, if available

 smime/lib/e-cert-db.c |   45 ++++++++++++++++++++++++++++++++++-----------
 1 files changed, 34 insertions(+), 11 deletions(-)
---
diff --git a/smime/lib/e-cert-db.c b/smime/lib/e-cert-db.c
index 73f184a..287d89a 100644
--- a/smime/lib/e-cert-db.c
+++ b/smime/lib/e-cert-db.c
@@ -203,31 +203,54 @@ pk11_password (PK11SlotInfo* slot, PRBool retry, gpointer  arg)
 static void
 initialize_nss (void)
 {
+	const gchar *data_dir;
 	gchar *evolution_dir_path;
-	gboolean success;
+	gchar *nss_configstr;
+	SECStatus status;
+
+	data_dir = e_get_user_data_dir ();
 
 #ifdef G_OS_WIN32
 	/* NSS wants filenames in system codepage */
-	evolution_dir_path = g_win32_locale_filename_from_utf8 (e_get_user_data_dir ());
+	evolution_dir_path = g_win32_locale_filename_from_utf8 (data_dir);
 #else
-	evolution_dir_path = g_strdup (e_get_user_data_dir ());
+	evolution_dir_path = g_strdup (data_dir);
 #endif
 
+#if NSS_VMAJOR > 3 || (NSS_VMAJOR == 3 && NSS_VMINOR >= 12)
+	nss_configstr = g_strconcat ("sql:", evolution_dir_path, NULL);
+
 	/* we initialize NSS here to make sure it only happens once */
-	success = (SECSuccess == NSS_InitReadWrite (evolution_dir_path));
-	if (!success) {
-		success = (SECSuccess == NSS_Init (evolution_dir_path));
-		if (success)
+        /* See: https://wiki.mozilla.org/NSS_Shared_DB,
+         * particularly "Mode 3A". */
+	status = NSS_InitWithMerge (
+		nss_configstr,		/* dest dir */
+		"", "",			/* new DB name prefixes */
+		SECMOD_DB,		/* secmod name */
+		evolution_dir_path,	/* old DB dir */
+		"", "",			/* old DB name prefixes */
+		evolution_dir_path,	/* unique ID for old DB */
+		"Evolution S/MIME",	/* UI name for old DB */
+		0);			/* flags */
+#else
+	nss_configstr = g_strdup (evolution_dir_path);
+	status = NSS_InitReadWrite (nss_configstr);
+#endif
+
+	if (status != SECSuccess) {
+		status = NSS_Init (nss_configstr);
+		if (status == SECSuccess)
 			g_warning ("opening cert databases read-only");
 	}
-	if (!success) {
-		success = (SECSuccess == NSS_NoDB_Init (evolution_dir_path));
-		if (success)
+	if (status != SECSuccess) {
+		status = NSS_NoDB_Init (nss_configstr);
+		if (status == SECSuccess)
 			g_warning ("initializing security library without cert databases.");
 	}
+	g_free (nss_configstr);
 	g_free (evolution_dir_path);
 
-	if (!success) {
+	if (status != SECSuccess) {
 		g_warning ("Failed all methods for initializing NSS");
 		return;
 	}