1 #ifndef HEADER_CURL_POP3_H
2 #define HEADER_CURL_POP3_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 POP3_STOP, /* do nothing state, stops the state machine */
35 POP3_SERVERGREET, /* waiting for the initial greeting immediately after
39 POP3_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
47 POP3_LAST /* never used */
50 /* This POP3 struct is used in the Curl_easy. All POP3 data that is
51 connection-oriented must be in pop3_conn to properly deal with the fact that
52 perhaps the Curl_easy is changed between the times the connection is
55 curl_pp_transfer transfer;
56 char *id; /* Message ID */
57 char *custom; /* Custom Request */
60 /* pop3_conn is used for struct connection-oriented data in the connectdata
64 pop3state state; /* Always use pop3.c:state() to change state! */
65 bool ssldone; /* Is connect() over SSL done? */
66 bool tls_supported; /* StartTLS capability supported by server */
67 size_t eob; /* Number of bytes of the EOB (End Of Body) that
68 have been received so far */
69 size_t strip; /* Number of bytes from the start to ignore as
71 struct SASL sasl; /* SASL-related storage */
72 unsigned int authtypes; /* Accepted authentication types */
73 unsigned int preftype; /* Preferred authentication type */
74 char *apoptimestamp; /* APOP timestamp from the server greeting */
77 extern const struct Curl_handler Curl_handler_pop3;
78 extern const struct Curl_handler Curl_handler_pop3s;
80 /* Authentication type flags */
81 #define POP3_TYPE_CLEARTEXT (1 << 0)
82 #define POP3_TYPE_APOP (1 << 1)
83 #define POP3_TYPE_SASL (1 << 2)
85 /* Authentication type values */
86 #define POP3_TYPE_NONE 0
87 #define POP3_TYPE_ANY ~0U
89 /* This is the 5-bytes End-Of-Body marker for POP3 */
90 #define POP3_EOB "\x0d\x0a\x2e\x0d\x0a"
91 #define POP3_EOB_LEN 5
93 /* This function scans the body after the end-of-body and writes everything
94 * until the end is found */
95 CURLcode Curl_pop3_write(struct Curl_easy *data, char *str, size_t nread);
97 #endif /* HEADER_CURL_POP3_H */