#ifndef HEADER_CURL_SMTP_H #define HEADER_CURL_SMTP_H /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 2009 - 2014, 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 https://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" /**************************************************************************** * SMTP unique setup ***************************************************************************/ typedef enum { SMTP_STOP, /* do nothing state, stops the state machine */ SMTP_SERVERGREET, /* waiting for the initial greeting immediately after a connect */ SMTP_EHLO, SMTP_HELO, SMTP_STARTTLS, SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS (multi mode only) */ SMTP_AUTH, SMTP_COMMAND, /* VRFY, EXPN, NOOP, RSET and HELP */ SMTP_MAIL, /* MAIL FROM */ SMTP_RCPT, /* RCPT TO */ SMTP_DATA, SMTP_POSTDATA, SMTP_QUIT, SMTP_LAST /* never used */ } smtpstate; /* This SMTP struct is used in the Curl_easy. All SMTP data that is connection-oriented must be in smtp_conn to properly deal with the fact that perhaps the Curl_easy is changed between the times the connection is used. */ struct SMTP { curl_pp_transfer transfer; char *custom; /* Custom Request */ struct curl_slist *rcpt; /* Recipient list */ size_t eob; /* Number of bytes of the EOB (End Of Body) that have been received so far */ bool trailing_crlf; /* Specifies if the tailing CRLF is present */ }; /* smtp_conn is used for struct connection-oriented data in the connectdata struct */ struct smtp_conn { struct pingpong pp; smtpstate state; /* Always use smtp.c:state() to change state! */ bool ssldone; /* Is connect() over SSL done? */ char *domain; /* Client address/name to send in the EHLO */ struct SASL sasl; /* SASL-related storage */ bool tls_supported; /* StartTLS capability supported by server */ bool size_supported; /* If server supports SIZE extension according to RFC 1870 */ bool auth_supported; /* AUTH capability supported by server */ }; extern const struct Curl_handler Curl_handler_smtp; extern const struct Curl_handler Curl_handler_smtps; /* this is the 5-bytes End-Of-Body marker for SMTP */ #define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a" #define SMTP_EOB_LEN 5 #define SMTP_EOB_FIND_LEN 3 /* if found in data, replace it with this string instead */ #define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e" #define SMTP_EOB_REPL_LEN 4 CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread); #endif /* HEADER_CURL_SMTP_H */