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
|
#ifndef __SMTP_H
#define __SMTP_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2009 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "pingpong.h"
/****************************************************************************
* SMTP unique setup
***************************************************************************/
typedef enum {
SMTP_STOP, /* do nothing state, stops the state machine */
SMTP_SERVERGREET, /* waiting for the initial greeting immediately after
a connect */
SMTP_EHLO,
SMTP_HELO,
SMTP_STARTTLS,
SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
(multi mode only) */
SMTP_AUTHPLAIN,
SMTP_AUTHLOGIN,
SMTP_AUTHPASSWD,
SMTP_AUTHCRAM,
SMTP_AUTH,
SMTP_MAIL, /* MAIL FROM */
SMTP_RCPT, /* RCPT TO */
SMTP_DATA,
SMTP_POSTDATA,
SMTP_QUIT,
SMTP_LAST /* never used */
} smtpstate;
/* smtp_conn is used for struct connection-oriented data in the connectdata
struct */
struct smtp_conn {
struct pingpong pp;
char *domain; /* what to send in the EHLO */
size_t eob; /* number of bytes of the EOB (End Of Body) that has been
received thus far */
unsigned int authmechs; /* Accepted authentication methods. */
smtpstate state; /* always use smtp.c:state() to change state! */
struct curl_slist *rcpt;
bool ssldone; /* is connect() over SSL done? only relevant in multi mode */
};
/* Authentication mechanism flags. */
#define SMTP_AUTH_LOGIN 0x0001
#define SMTP_AUTH_PLAIN 0x0002
#define SMTP_AUTH_CRAM_MD5 0x0004
#define SMTP_AUTH_DIGEST_MD5 0x0008
#define SMTP_AUTH_GSSAPI 0x0010
#define SMTP_AUTH_EXTERNAL 0x0020
extern const struct Curl_handler Curl_handler_smtp;
extern const struct Curl_handler Curl_handler_smtps;
/* this is the 5-bytes End-Of-Body marker for SMTP */
#define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
#define SMTP_EOB_LEN 5
/* if found in data, replace it with this string instead */
#define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
#define SMTP_EOB_REPL_LEN 4
CURLcode Curl_smtp_escape_eob(struct connectdata *conn, ssize_t nread);
#endif /* __SMTP_H */
|
