1#ifndef __SMTP_H 2#define __SMTP_H 3/*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 2009 - 2011, 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 http://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 27/**************************************************************************** 28 * SMTP unique setup 29 ***************************************************************************/ 30typedef enum { 31 SMTP_STOP, /* do nothing state, stops the state machine */ 32 SMTP_SERVERGREET, /* waiting for the initial greeting immediately after 33 a connect */ 34 SMTP_EHLO, 35 SMTP_HELO, 36 SMTP_STARTTLS, 37 SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS 38 (multi mode only) */ 39 SMTP_AUTHPLAIN, 40 SMTP_AUTHLOGIN, 41 SMTP_AUTHPASSWD, 42 SMTP_AUTHCRAM, 43 SMTP_AUTHNTLM, 44 SMTP_AUTHNTLM_TYPE2MSG, 45 SMTP_AUTH, 46 SMTP_MAIL, /* MAIL FROM */ 47 SMTP_RCPT, /* RCPT TO */ 48 SMTP_DATA, 49 SMTP_POSTDATA, 50 SMTP_QUIT, 51 SMTP_LAST /* never used */ 52} smtpstate; 53 54/* smtp_conn is used for struct connection-oriented data in the connectdata 55 struct */ 56struct smtp_conn { 57 struct pingpong pp; 58 char *domain; /* what to send in the EHLO */ 59 size_t eob; /* number of bytes of the EOB (End Of Body) that has been 60 received thus far */ 61 unsigned int authmechs; /* Accepted authentication methods. */ 62 unsigned int authused; /* Authentication method used for the connection */ 63 smtpstate state; /* always use smtp.c:state() to change state! */ 64 struct curl_slist *rcpt; 65 bool ssldone; /* is connect() over SSL done? only relevant in multi mode */ 66}; 67 68/* Authentication mechanism flags. */ 69#define SMTP_AUTH_LOGIN 0x0001 70#define SMTP_AUTH_PLAIN 0x0002 71#define SMTP_AUTH_CRAM_MD5 0x0004 72#define SMTP_AUTH_DIGEST_MD5 0x0008 73#define SMTP_AUTH_GSSAPI 0x0010 74#define SMTP_AUTH_EXTERNAL 0x0020 75#define SMTP_AUTH_NTLM 0x0040 76 77extern const struct Curl_handler Curl_handler_smtp; 78extern const struct Curl_handler Curl_handler_smtps; 79 80/* this is the 5-bytes End-Of-Body marker for SMTP */ 81#define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a" 82#define SMTP_EOB_LEN 5 83 84/* if found in data, replace it with this string instead */ 85#define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e" 86#define SMTP_EOB_REPL_LEN 4 87 88CURLcode Curl_smtp_escape_eob(struct connectdata *conn, ssize_t nread); 89 90#endif /* __SMTP_H */ 91