[337] | 1 | #ifndef HEADER_CURL_POP3_H
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| 2 | #define HEADER_CURL_POP3_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) 2009 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | ***************************************************************************/
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| 24 |
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| 25 | #include "pingpong.h"
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| 26 | #include "curl_sasl.h"
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| 27 |
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| 28 | /****************************************************************************
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| 29 | * POP3 unique setup
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| 30 | ***************************************************************************/
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| 31 | typedef enum {
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| 32 | POP3_STOP, /* do nothing state, stops the state machine */
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| 33 | POP3_SERVERGREET, /* waiting for the initial greeting immediately after
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| 34 | a connect */
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| 35 | POP3_CAPA,
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| 36 | POP3_STARTTLS,
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| 37 | POP3_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
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| 38 | (multi mode only) */
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| 39 | POP3_AUTH,
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| 40 | POP3_APOP,
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| 41 | POP3_USER,
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| 42 | POP3_PASS,
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| 43 | POP3_COMMAND,
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| 44 | POP3_QUIT,
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| 45 | POP3_LAST /* never used */
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| 46 | } pop3state;
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| 47 |
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| 48 | /* This POP3 struct is used in the Curl_easy. All POP3 data that is
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| 49 | connection-oriented must be in pop3_conn to properly deal with the fact that
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| 50 | perhaps the Curl_easy is changed between the times the connection is
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| 51 | used. */
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| 52 | struct POP3 {
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| 53 | curl_pp_transfer transfer;
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| 54 | char *id; /* Message ID */
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| 55 | char *custom; /* Custom Request */
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| 56 | };
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| 57 |
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| 58 | /* pop3_conn is used for struct connection-oriented data in the connectdata
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| 59 | struct */
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| 60 | struct pop3_conn {
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| 61 | struct pingpong pp;
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| 62 | pop3state state; /* Always use pop3.c:state() to change state! */
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| 63 | bool ssldone; /* Is connect() over SSL done? */
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| 64 | size_t eob; /* Number of bytes of the EOB (End Of Body) that
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| 65 | have been received so far */
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| 66 | size_t strip; /* Number of bytes from the start to ignore as
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| 67 | non-body */
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| 68 | struct SASL sasl; /* SASL-related storage */
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| 69 | unsigned int authtypes; /* Accepted authentication types */
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| 70 | unsigned int preftype; /* Preferred authentication type */
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| 71 | char *apoptimestamp; /* APOP timestamp from the server greeting */
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| 72 | bool tls_supported; /* StartTLS capability supported by server */
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| 73 | };
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| 74 |
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| 75 | extern const struct Curl_handler Curl_handler_pop3;
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| 76 | extern const struct Curl_handler Curl_handler_pop3s;
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| 77 |
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| 78 | /* Authentication type flags */
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| 79 | #define POP3_TYPE_CLEARTEXT (1 << 0)
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| 80 | #define POP3_TYPE_APOP (1 << 1)
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| 81 | #define POP3_TYPE_SASL (1 << 2)
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| 82 |
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| 83 | /* Authentication type values */
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| 84 | #define POP3_TYPE_NONE 0
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| 85 | #define POP3_TYPE_ANY ~0U
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| 86 |
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| 87 | /* This is the 5-bytes End-Of-Body marker for POP3 */
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| 88 | #define POP3_EOB "\x0d\x0a\x2e\x0d\x0a"
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| 89 | #define POP3_EOB_LEN 5
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| 90 |
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| 91 | /* This function scans the body after the end-of-body and writes everything
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| 92 | * until the end is found */
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| 93 | CURLcode Curl_pop3_write(struct connectdata *conn, char *str, size_t nread);
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| 94 |
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| 95 | #endif /* HEADER_CURL_POP3_H */
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