Try to starttls if it seems to be the only
[claws.git] / src / common / smtp.h
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #ifndef __SMTP_H__
21 #define __SMTP_H__
22
23 #ifdef HAVE_CONFIG_H
24 #  include "config.h"
25 #endif
26
27 #include <glib.h>
28
29 #include "socket.h"
30 #if USE_OPENSSL
31 #  include "ssl.h"
32 #endif
33 #include "session.h"
34
35 typedef struct _SMTPSession     SMTPSession;
36
37 #define SMTP_SESSION(obj)       ((SMTPSession *)obj)
38
39 #define MSGBUFSIZE              8192
40
41 #define SM_OK                   0
42 #define SM_ERROR                128
43 #define SM_UNRECOVERABLE        129
44 #define SM_AUTHFAIL             130
45
46 #define ESMTP_8BITMIME          0x01
47 #define ESMTP_SIZE              0x02
48 #define ESMTP_ETRN              0x04
49
50 typedef enum
51 {
52         SMTPAUTH_LOGIN      = 1 << 0,
53         SMTPAUTH_CRAM_MD5   = 1 << 1,
54         SMTPAUTH_DIGEST_MD5 = 1 << 2,
55         SMTPAUTH_TLS_AVAILABLE = 1 << 3
56 } SMTPAuthType;
57
58 typedef enum
59 {
60         SMTP_CONNECT,
61         SMTP_HELO,
62         SMTP_EHLO,
63         SMTP_STARTTLS,
64         SMTP_FROM,
65         SMTP_AUTH,
66         SMTP_RCPT,
67         SMTP_DATA,
68         SMTP_RSET,
69         SMTP_QUIT,
70         SMTP_EOM,
71
72         N_SMTP_PHASE
73 } SMTPPhase;
74
75 struct _SMTPSession
76 {
77         Session session;
78
79         SMTPAuthType avail_auth_type;
80         gchar *user;
81         gchar *pass;
82 };
83
84 Session *smtp_session_new       (void);
85 void smtp_session_destroy       (Session        *session);
86
87 #if USE_OPENSSL
88 gint smtp_connect               (SMTPSession    *session,
89                                  const gchar    *server,
90                                  gushort         port,
91                                  const gchar    *domain,
92                                  const gchar    *user,
93                                  const gchar    *pass,
94                                  SSLType         ssl_type);
95 #else
96 gint smtp_connect               (SMTPSession    *session,
97                                  const gchar    *server,
98                                  gushort         port,
99                                  const gchar    *domain,
100                                  const gchar    *user,
101                                  const gchar    *pass);
102 #endif
103
104 gint smtp_from                  (SMTPSession    *session,
105                                  const gchar    *from);
106 gint smtp_auth                  (SMTPSession    *session,
107                                  SMTPAuthType    forced_auth_type);
108
109 gint smtp_ehlo                  (SMTPSession    *session,
110                                  const gchar    *hostname,
111                                  SMTPAuthType   *avail_auth_type);
112
113 gint smtp_helo                  (SMTPSession    *session,
114                                  const gchar    *hostname);
115 gint smtp_rcpt                  (SMTPSession    *session,
116                                  const gchar    *to);
117 gint smtp_data                  (SMTPSession    *session);
118 gint smtp_rset                  (SMTPSession    *session);
119 gint smtp_quit                  (SMTPSession    *session);
120 gint smtp_eom                   (SMTPSession    *session);
121
122 #endif /* __SMTP_H__ */