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Annotation of embedaddon/curl/lib/smtp.h, revision 1.1

1.1     ! misho       1: #ifndef HEADER_CURL_SMTP_H
        !             2: #define HEADER_CURL_SMTP_H
        !             3: /***************************************************************************
        !             4:  *                                  _   _ ____  _
        !             5:  *  Project                     ___| | | |  _ \| |
        !             6:  *                             / __| | | | |_) | |
        !             7:  *                            | (__| |_| |  _ <| |___
        !             8:  *                             \___|\___/|_| \_\_____|
        !             9:  *
        !            10:  * Copyright (C) 2009 - 2020, 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:   bool rcpt_had_ok;        /* Whether any of RCPT TO commands (depends on
        !            59:                               total number of recipients) succeeded so far */
        !            60:   int rcpt_last_error;     /* The last error received for RCPT TO command */
        !            61:   size_t eob;              /* Number of bytes of the EOB (End Of Body) that
        !            62:                               have been received so far */
        !            63:   bool trailing_crlf;      /* Specifies if the tailing CRLF is present */
        !            64: };
        !            65: 
        !            66: /* smtp_conn is used for struct connection-oriented data in the connectdata
        !            67:    struct */
        !            68: struct smtp_conn {
        !            69:   struct pingpong pp;
        !            70:   smtpstate state;         /* Always use smtp.c:state() to change state! */
        !            71:   bool ssldone;            /* Is connect() over SSL done? */
        !            72:   char *domain;            /* Client address/name to send in the EHLO */
        !            73:   struct SASL sasl;        /* SASL-related storage */
        !            74:   bool tls_supported;      /* StartTLS capability supported by server */
        !            75:   bool size_supported;     /* If server supports SIZE extension according to
        !            76:                               RFC 1870 */
        !            77:   bool utf8_supported;     /* If server supports SMTPUTF8 extension according
        !            78:                               to RFC 6531 */
        !            79:   bool auth_supported;     /* AUTH capability supported by server */
        !            80: };
        !            81: 
        !            82: extern const struct Curl_handler Curl_handler_smtp;
        !            83: extern const struct Curl_handler Curl_handler_smtps;
        !            84: 
        !            85: /* this is the 5-bytes End-Of-Body marker for SMTP */
        !            86: #define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
        !            87: #define SMTP_EOB_LEN 5
        !            88: #define SMTP_EOB_FIND_LEN 3
        !            89: 
        !            90: /* if found in data, replace it with this string instead */
        !            91: #define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
        !            92: #define SMTP_EOB_REPL_LEN 4
        !            93: 
        !            94: CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread);
        !            95: 
        !            96: #endif /* HEADER_CURL_SMTP_H */