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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <signal.h>
#ifdef HAVE_NSS
#include <nspr.h>
#include <prthread.h>
#include "nss.h" /* Don't use <> here or it will include the system nss.h instead */
#include <ssl.h>
#endif /* HAVE_NSS */
#include <glib.h>
#include <glib/gi18n-lib.h>
#include "camel.h"
#include "camel-certdb.h"
#include "camel-debug.h"
#include "camel-provider.h"
#include "camel-private.h"
#ifdef HAVE_NSS
/* To protect NSS initialization and shutdown. This prevents
concurrent calls to shutdown() and init() by different threads */
PRLock *nss_initlock = NULL;
/* Whether or not Camel has initialized the NSS library. We cannot
unconditionally call NSS_Shutdown() if NSS was initialized by other
library before. This boolean ensures that we only perform a cleanup
if and only if Camel is the one that previously initialized NSS */
volatile gboolean nss_initialized = FALSE;
#endif
static gint initialised = FALSE;
gint camel_application_is_exiting = FALSE;
gint
camel_init (const gchar *configdir, gboolean nss_init)
{
CamelCertDB *certdb;
gchar *path;
if (initialised)
return 0;
bindtextdomain (GETTEXT_PACKAGE, EVOLUTION_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
camel_debug_init();
/* initialise global camel_object_type */
camel_object_get_type();
#ifdef HAVE_NSS
if (nss_init) {
gchar *nss_configdir;
PRUint16 indx;
if (nss_initlock == NULL) {
PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 10);
nss_initlock = PR_NewLock();
}
PR_Lock (nss_initlock);
#ifndef G_OS_WIN32
nss_configdir = g_strdup (configdir);
#else
nss_configdir = g_win32_locale_filename_from_utf8 (configdir);
#endif
if (!NSS_IsInitialized()) {
nss_initialized = 1;
if (NSS_InitReadWrite (nss_configdir) == SECFailure) {
/* fall back on using volatile dbs? */
if (NSS_NoDB_Init (nss_configdir) == SECFailure) {
g_free (nss_configdir);
g_warning ("Failed to initialize NSS");
nss_initialized = 0;
PR_Unlock(nss_initlock);
return -1;
}
}
}
NSS_SetDomesticPolicy ();
PR_Unlock(nss_initlock);
/* we must enable all ciphersuites */
for (indx = 0; indx < SSL_NumImplementedCiphers; indx++) {
if (!SSL_IS_SSL2_CIPHER(SSL_ImplementedCiphers[indx]))
SSL_CipherPrefSetDefault (SSL_ImplementedCiphers[indx], PR_TRUE);
}
SSL_OptionSetDefault (SSL_ENABLE_SSL2, PR_TRUE);
SSL_OptionSetDefault (SSL_ENABLE_SSL3, PR_TRUE);
SSL_OptionSetDefault (SSL_ENABLE_TLS, PR_TRUE);
SSL_OptionSetDefault (SSL_V2_COMPATIBLE_HELLO, PR_TRUE /* maybe? */);
g_free (nss_configdir);
}
#endif /* HAVE_NSS */
path = g_strdup_printf ("%s/camel-cert.db", configdir);
certdb = camel_certdb_new ();
camel_certdb_set_filename (certdb, path);
g_free (path);
/* if we fail to load, who cares? it'll just be a volatile certdb */
camel_certdb_load (certdb);
/* set this certdb as the default db */
camel_certdb_set_default (certdb);
camel_object_unref (certdb);
initialised = TRUE;
return 0;
}
void
camel_shutdown (void)
{
CamelCertDB *certdb;
if (!initialised)
return;
certdb = camel_certdb_get_default ();
if (certdb) {
camel_certdb_save (certdb);
camel_certdb_set_default (NULL);
}
/* These next calls must come last. */
#if defined (HAVE_NSS)
PR_Lock(nss_initlock);
if (nss_initialized)
NSS_Shutdown ();
PR_Unlock(nss_initlock);
#endif /* HAVE_NSS */
initialised = FALSE;
}
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