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#ifndef HEADER_CURL_POP3_H
#define HEADER_CURL_POP3_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2009 - 2015, 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"
#include "curl_sasl.h"
/****************************************************************************
* POP3 unique setup
***************************************************************************/
typedef enum {
POP3_STOP, /* do nothing state, stops the state machine */
POP3_SERVERGREET, /* waiting for the initial greeting immediately after
a connect */
POP3_CAPA,
POP3_STARTTLS,
POP3_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
(multi mode only) */
POP3_AUTH,
POP3_APOP,
POP3_USER,
POP3_PASS,
POP3_COMMAND,
POP3_QUIT,
POP3_LAST /* never used */
} pop3state;
/* This POP3 struct is used in the SessionHandle. All POP3 data that is
connection-oriented must be in pop3_conn to properly deal with the fact that
perhaps the SessionHandle is changed between the times the connection is
used. */
struct POP3 {
curl_pp_transfer transfer;
char *id; /* Message ID */
char *custom; /* Custom Request */
};
/* pop3_conn is used for struct connection-oriented data in the connectdata
struct */
struct pop3_conn {
struct pingpong pp;
pop3state state; /* Always use pop3.c:state() to change state! */
bool ssldone; /* Is connect() over SSL done? */
size_t eob; /* Number of bytes of the EOB (End Of Body) that
have been received so far */
size_t strip; /* Number of bytes from the start to ignore as
non-body */
struct SASL sasl; /* SASL-related storage */
unsigned int authtypes; /* Accepted authentication types */
unsigned int preftype; /* Preferred authentication type */
char *apoptimestamp; /* APOP timestamp from the server greeting */
bool tls_supported; /* StartTLS capability supported by server */
};
extern const struct Curl_handler Curl_handler_pop3;
extern const struct Curl_handler Curl_handler_pop3s;
/* Authentication type flags */
#define POP3_TYPE_CLEARTEXT (1 << 0)
#define POP3_TYPE_APOP (1 << 1)
#define POP3_TYPE_SASL (1 << 2)
/* Authentication type values */
#define POP3_TYPE_NONE 0
#define POP3_TYPE_ANY ~0U
/* This is the 5-bytes End-Of-Body marker for POP3 */
#define POP3_EOB "\x0d\x0a\x2e\x0d\x0a"
#define POP3_EOB_LEN 5
/* This function scans the body after the end-of-body and writes everything
* until the end is found */
CURLcode Curl_pop3_write(struct connectdata *conn, char *str, size_t nread);
#endif /* HEADER_CURL_POP3_H */
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