path: root/camel/camel.c

/* -*- 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 1999-2003 Ximian, Inc. (www.ximian.com)
 *
 *  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., 59 Temple Street #330, Boston, MA 02111-1307, 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 "camel.h"
#include "camel-certdb.h"
#include "camel-mime-utils.h"
#include "camel-provider.h"
#include "camel-debug.h"

static int initialised = FALSE;

static void
camel_shutdown (void)
{
    void camel_operation_shutdown (void);
    CamelCertDB *certdb;
    
    if (!initialised)
        return;
    
#ifdef HAVE_NSS
    NSS_Shutdown ();
    
    PR_Cleanup ();
#endif /* HAVE_NSS */
    
    certdb = camel_certdb_get_default ();
    if (certdb) {
        camel_certdb_save (certdb);
        camel_object_unref (certdb);
    }
    
    camel_operation_shutdown ();
    camel_mime_utils_shutdown ();
    
    initialised = FALSE;
}

int
camel_init (const char *configdir, gboolean nss_init)
{
    CamelCertDB *certdb;
    char *path;
    void camel_operation_init(void);
    
    if (initialised)
        return 0;

    camel_debug_init();

    /* initialise global camel_object_type */
    camel_object_get_type();

    camel_mime_utils_init();
    camel_operation_init();

#ifdef HAVE_NSS
    if (nss_init) {
        PR_Init (PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 10);
        
        if (NSS_InitReadWrite (configdir) == SECFailure) {
            /* fall back on using volatile dbs? */
            if (NSS_NoDB_Init (configdir) == SECFailure) {
                g_warning ("Failed to initialize NSS");
                return -1;
            }
        }
        
        NSS_SetDomesticPolicy ();
        
        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? */);
    }
#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);
    
    g_atexit (camel_shutdown);
    
    initialised = TRUE;
    
    return 0;
}