1 #ifndef HEADER_CURL_SMTP_H
2 #define HEADER_CURL_SMTP_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 2009 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 * SPDX-License-Identifier: curl
25 ***************************************************************************/
28 #include "curl_sasl.h"
30 /****************************************************************************
32 ***************************************************************************/
34 SMTP_STOP, /* do nothing state, stops the state machine */
35 SMTP_SERVERGREET, /* waiting for the initial greeting immediately after
40 SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
43 SMTP_COMMAND, /* VRFY, EXPN, NOOP, RSET and HELP */
44 SMTP_MAIL, /* MAIL FROM */
45 SMTP_RCPT, /* RCPT TO */
49 SMTP_LAST /* never used */
52 /* This SMTP struct is used in the Curl_easy. All SMTP data that is
53 connection-oriented must be in smtp_conn to properly deal with the fact that
54 perhaps the Curl_easy is changed between the times the connection is
57 curl_pp_transfer transfer;
58 char *custom; /* Custom Request */
59 struct curl_slist *rcpt; /* Recipient list */
60 bool rcpt_had_ok; /* Whether any of RCPT TO commands (depends on
61 total number of recipients) succeeded so far */
62 bool trailing_crlf; /* Specifies if the trailing CRLF is present */
63 int rcpt_last_error; /* The last error received for RCPT TO command */
64 size_t eob; /* Number of bytes of the EOB (End Of Body) that
65 have been received so far */
68 /* smtp_conn is used for struct connection-oriented data in the connectdata
72 smtpstate state; /* Always use smtp.c:state() to change state! */
73 bool ssldone; /* Is connect() over SSL done? */
74 char *domain; /* Client address/name to send in the EHLO */
75 struct SASL sasl; /* SASL-related storage */
76 bool tls_supported; /* StartTLS capability supported by server */
77 bool size_supported; /* If server supports SIZE extension according to
79 bool utf8_supported; /* If server supports SMTPUTF8 extension according
81 bool auth_supported; /* AUTH capability supported by server */
84 extern const struct Curl_handler Curl_handler_smtp;
85 extern const struct Curl_handler Curl_handler_smtps;
87 /* this is the 5-bytes End-Of-Body marker for SMTP */
88 #define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
89 #define SMTP_EOB_LEN 5
90 #define SMTP_EOB_FIND_LEN 3
92 /* if found in data, replace it with this string instead */
93 #define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
94 #define SMTP_EOB_REPL_LEN 4
96 CURLcode Curl_smtp_escape_eob(struct Curl_easy *data,
98 const ssize_t offset);
100 #endif /* HEADER_CURL_SMTP_H */