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comparison mupdf-source/thirdparty/curl/lib/smtp.h @ 3:2c135c81b16c

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MERGE: upstream PyMuPDF 1.26.4 with MuPDF 1.26.7
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:44:09 +0200
parents b50eed0cc0ef
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0:6015a75abc2d 3:2c135c81b16c
1 #ifndef HEADER_CURL_SMTP_H
2 #define HEADER_CURL_SMTP_H
3 /***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 2009 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
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.haxx.se/docs/copyright.html.
15 *
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.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24
25 #include "pingpong.h"
26 #include "curl_sasl.h"
27
28 /****************************************************************************
29 * SMTP unique setup
30 ***************************************************************************/
31 typedef enum {
32 SMTP_STOP, /* do nothing state, stops the state machine */
33 SMTP_SERVERGREET, /* waiting for the initial greeting immediately after
34 a connect */
35 SMTP_EHLO,
36 SMTP_HELO,
37 SMTP_STARTTLS,
38 SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
39 (multi mode only) */
40 SMTP_AUTH,
41 SMTP_COMMAND, /* VRFY, EXPN, NOOP, RSET and HELP */
42 SMTP_MAIL, /* MAIL FROM */
43 SMTP_RCPT, /* RCPT TO */
44 SMTP_DATA,
45 SMTP_POSTDATA,
46 SMTP_QUIT,
47 SMTP_LAST /* never used */
48 } smtpstate;
49
50 /* This SMTP struct is used in the Curl_easy. All SMTP data that is
51 connection-oriented must be in smtp_conn to properly deal with the fact that
52 perhaps the Curl_easy is changed between the times the connection is
53 used. */
54 struct SMTP {
55 curl_pp_transfer transfer;
56 char *custom; /* Custom Request */
57 struct curl_slist *rcpt; /* Recipient list */
58 size_t eob; /* Number of bytes of the EOB (End Of Body) that
59 have been received so far */
60 bool trailing_crlf; /* Specifies if the tailing CRLF is present */
61 };
62
63 /* smtp_conn is used for struct connection-oriented data in the connectdata
64 struct */
65 struct smtp_conn {
66 struct pingpong pp;
67 smtpstate state; /* Always use smtp.c:state() to change state! */
68 bool ssldone; /* Is connect() over SSL done? */
69 char *domain; /* Client address/name to send in the EHLO */
70 struct SASL sasl; /* SASL-related storage */
71 bool tls_supported; /* StartTLS capability supported by server */
72 bool size_supported; /* If server supports SIZE extension according to
73 RFC 1870 */
74 bool auth_supported; /* AUTH capability supported by server */
75 };
76
77 extern const struct Curl_handler Curl_handler_smtp;
78 extern const struct Curl_handler Curl_handler_smtps;
79
80 /* this is the 5-bytes End-Of-Body marker for SMTP */
81 #define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
82 #define SMTP_EOB_LEN 5
83 #define SMTP_EOB_FIND_LEN 3
84
85 /* if found in data, replace it with this string instead */
86 #define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
87 #define SMTP_EOB_REPL_LEN 4
88
89 CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread);
90
91 #endif /* HEADER_CURL_SMTP_H */