make camel_shutdown() an atexit handler again
[platform/upstream/evolution-data-server.git] / camel / camel.c
1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3  *  Authors: Jeffrey Stedfast <fejj@ximian.com>
4  *           Bertrand Guiheneuf <bertrand@helixcode.com>
5  *
6  *  Copyright 1999-2003 Ximian, Inc. (www.ximian.com)
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
21  *
22  */
23
24
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28
29 #include <signal.h>
30
31 #ifdef HAVE_NSS
32 #include <nspr.h>
33 #include <prthread.h>
34 #include "nss.h"      /* Don't use <> here or it will include the system nss.h instead */
35 #include <ssl.h>
36 #endif /* HAVE_NSS */
37
38 #include "camel.h"
39 #include "camel-certdb.h"
40 #include "camel-mime-utils.h"
41 #include "camel-provider.h"
42 #include "camel-debug.h"
43
44 static int initialised = FALSE;
45
46 static void
47 camel_shutdown (void)
48 {
49         void camel_operation_shutdown (void);
50         CamelCertDB *certdb;
51         
52         if (!initialised)
53                 return;
54         
55 #ifdef HAVE_NSS
56         NSS_Shutdown ();
57         
58         PR_Cleanup ();
59 #endif /* HAVE_NSS */
60         
61         certdb = camel_certdb_get_default ();
62         if (certdb) {
63                 camel_certdb_save (certdb);
64                 camel_object_unref (certdb);
65         }
66         
67         camel_operation_shutdown ();
68         camel_mime_utils_shutdown ();
69         
70         initialised = FALSE;
71 }
72
73 int
74 camel_init (const char *configdir, gboolean nss_init)
75 {
76         CamelCertDB *certdb;
77         char *path;
78         void camel_operation_init(void);
79         
80         if (initialised)
81                 return 0;
82
83         camel_debug_init();
84
85         /* initialise global camel_object_type */
86         camel_object_get_type();
87
88         camel_mime_utils_init();
89         camel_operation_init();
90         camel_provider_init();
91
92 #ifdef HAVE_NSS
93         if (nss_init) {
94                 PR_Init (PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 10);
95                 
96                 if (NSS_InitReadWrite (configdir) == SECFailure) {
97                         /* fall back on using volatile dbs? */
98                         if (NSS_NoDB_Init (configdir) == SECFailure) {
99                                 g_warning ("Failed to initialize NSS");
100                                 return -1;
101                         }
102                 }
103                 
104                 NSS_SetDomesticPolicy ();
105                 
106                 SSL_OptionSetDefault (SSL_ENABLE_SSL2, PR_TRUE);
107                 SSL_OptionSetDefault (SSL_ENABLE_SSL3, PR_TRUE);
108                 SSL_OptionSetDefault (SSL_ENABLE_TLS, PR_TRUE);
109                 SSL_OptionSetDefault (SSL_V2_COMPATIBLE_HELLO, PR_TRUE /* maybe? */);
110         }
111 #endif /* HAVE_NSS */
112         
113         path = g_strdup_printf ("%s/camel-cert.db", configdir);
114         certdb = camel_certdb_new ();
115         camel_certdb_set_filename (certdb, path);
116         g_free (path);
117         
118         /* if we fail to load, who cares? it'll just be a volatile certdb */
119         camel_certdb_load (certdb);
120         
121         /* set this certdb as the default db */
122         camel_certdb_set_default (certdb);
123         
124         camel_object_unref (certdb);
125         
126         g_atexit (camel_shutdown);
127         
128         initialised = TRUE;
129         
130         return 0;
131 }