96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
#ifndef HEADER_CURL_POP3_H
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#define HEADER_CURL_POP3_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2009 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "pingpong.h"
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#include "curl_sasl.h"
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/****************************************************************************
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* POP3 unique setup
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***************************************************************************/
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typedef enum {
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POP3_STOP, /* do nothing state, stops the state machine */
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POP3_SERVERGREET, /* waiting for the initial greeting immediately after
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a connect */
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POP3_CAPA,
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POP3_STARTTLS,
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POP3_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
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(multi mode only) */
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POP3_AUTH,
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POP3_APOP,
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POP3_USER,
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POP3_PASS,
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POP3_COMMAND,
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POP3_QUIT,
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POP3_LAST /* never used */
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} pop3state;
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/* This POP3 struct is used in the Curl_easy. All POP3 data that is
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connection-oriented must be in pop3_conn to properly deal with the fact that
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perhaps the Curl_easy is changed between the times the connection is
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used. */
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struct POP3 {
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curl_pp_transfer transfer;
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char *id; /* Message ID */
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char *custom; /* Custom Request */
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};
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/* pop3_conn is used for struct connection-oriented data in the connectdata
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struct */
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struct pop3_conn {
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struct pingpong pp;
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pop3state state; /* Always use pop3.c:state() to change state! */
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bool ssldone; /* Is connect() over SSL done? */
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size_t eob; /* Number of bytes of the EOB (End Of Body) that
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have been received so far */
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size_t strip; /* Number of bytes from the start to ignore as
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non-body */
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struct SASL sasl; /* SASL-related storage */
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unsigned int authtypes; /* Accepted authentication types */
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unsigned int preftype; /* Preferred authentication type */
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char *apoptimestamp; /* APOP timestamp from the server greeting */
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bool tls_supported; /* StartTLS capability supported by server */
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};
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extern const struct Curl_handler Curl_handler_pop3;
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extern const struct Curl_handler Curl_handler_pop3s;
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/* Authentication type flags */
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#define POP3_TYPE_CLEARTEXT (1 << 0)
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#define POP3_TYPE_APOP (1 << 1)
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#define POP3_TYPE_SASL (1 << 2)
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/* Authentication type values */
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#define POP3_TYPE_NONE 0
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#define POP3_TYPE_ANY ~0U
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/* This is the 5-bytes End-Of-Body marker for POP3 */
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#define POP3_EOB "\x0d\x0a\x2e\x0d\x0a"
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#define POP3_EOB_LEN 5
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/* This function scans the body after the end-of-body and writes everything
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* until the end is found */
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CURLcode Curl_pop3_write(struct connectdata *conn, char *str, size_t nread);
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#endif /* HEADER_CURL_POP3_H */
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