1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* libEtPan! -- a mail stuff library
*
* Copyright (C) 2001, 2002 - DINH Viet Hoa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the libEtPan! project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* $Id$
*/
#include "mailsmtp_socket.h"
#include "mailsmtp.h"
#include "connect.h"
#include <netinet/in.h>
#include <unistd.h>
#define DEFAULT_SMTP_PORT 25
#define SERVICE_NAME_SMTP "smtp"
#define SERVICE_TYPE_TCP "tcp"
int mailsmtp_socket_connect(mailsmtp * session,
const char * server, uint16_t port)
{
int s;
mailstream * stream;
if (port == 0) {
port = mail_get_service_port(SERVICE_NAME_SMTP, SERVICE_TYPE_TCP);
if (port == 0)
port = DEFAULT_SMTP_PORT;
port = ntohs(port);
}
/* Connection */
s = mail_tcp_connect(server, port);
if (s == -1)
return MAILSMTP_ERROR_CONNECTION_REFUSED;
stream = mailstream_socket_open(s);
if (stream == NULL) {
close(s);
return MAILSMTP_ERROR_MEMORY;
}
return mailsmtp_connect(session, stream);
}
int mailsmtp_socket_starttls(mailsmtp * session) {
int r;
int fd;
mailstream_low * low;
mailstream_low * new_low;
r = mailesmtp_starttls(session);
if (r != MAILSMTP_NO_ERROR)
return r;
low = mailstream_get_low(session->stream);
fd = mailstream_low_get_fd(low);
if (fd == -1)
return MAILSMTP_ERROR_STREAM;
new_low = mailstream_low_ssl_open(fd);
if (new_low == NULL)
return MAILSMTP_ERROR_STREAM;
mailstream_low_free(low);
mailstream_set_low(session->stream, new_low);
return MAILSMTP_NO_ERROR;
}
|