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4d327d20c6
Modified smtp_endofresp() to detect NTLM from the server specified list of supported authentication mechanisms. Modified smtp_authenticate() to start the sending of the NTLM data. Added smtp_auth_ntlm_type1_message() which creates a NTLM type-1 message. This function is used by authenticate() to start the sending of data and by smtp_state_auth_ntlm_resp() when the AUTH command doesn't contain the type-1 message as part of the initial response. This lack of initial response can happen if an OOM error occurs or the type-1 message is longer than 504 characters. As the main AUTH command is limited to 512 character the data has to be transmitted in two parts; one containing the AUTH NTLM and the second containing the type-1 message. Added smtp_state_auth_ntlm_type2msg_resp() which handles the incoming type-2 message and sends an outgoing type-3 message. This type-2 message is sent by the server in response to our type-1 message. Modified smtp_state_auth_resp() to handle the response to: the AUTH NTLM without the initial response and the type-2 response. Modified smtp_disconnect() to cleanup the NTLM SSPI stack.
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
#ifndef __SMTP_H
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#define __SMTP_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 - 2011, 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 http://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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/****************************************************************************
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* SMTP unique setup
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***************************************************************************/
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typedef enum {
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SMTP_STOP, /* do nothing state, stops the state machine */
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SMTP_SERVERGREET, /* waiting for the initial greeting immediately after
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a connect */
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SMTP_EHLO,
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SMTP_HELO,
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SMTP_STARTTLS,
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SMTP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS
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(multi mode only) */
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SMTP_AUTHPLAIN,
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SMTP_AUTHLOGIN,
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SMTP_AUTHPASSWD,
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SMTP_AUTHCRAM,
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SMTP_AUTHNTLM,
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SMTP_AUTHNTLM_TYPE2MSG,
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SMTP_AUTH,
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SMTP_MAIL, /* MAIL FROM */
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SMTP_RCPT, /* RCPT TO */
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SMTP_DATA,
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SMTP_POSTDATA,
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SMTP_QUIT,
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SMTP_LAST /* never used */
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} smtpstate;
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/* smtp_conn is used for struct connection-oriented data in the connectdata
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struct */
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struct smtp_conn {
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struct pingpong pp;
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char *domain; /* what to send in the EHLO */
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size_t eob; /* number of bytes of the EOB (End Of Body) that has been
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received thus far */
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unsigned int authmechs; /* Accepted authentication methods. */
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unsigned int authused; /* Authentication method used for the connection */
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smtpstate state; /* always use smtp.c:state() to change state! */
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struct curl_slist *rcpt;
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bool ssldone; /* is connect() over SSL done? only relevant in multi mode */
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};
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/* Authentication mechanism flags. */
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#define SMTP_AUTH_LOGIN 0x0001
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#define SMTP_AUTH_PLAIN 0x0002
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#define SMTP_AUTH_CRAM_MD5 0x0004
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#define SMTP_AUTH_DIGEST_MD5 0x0008
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#define SMTP_AUTH_GSSAPI 0x0010
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#define SMTP_AUTH_EXTERNAL 0x0020
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#define SMTP_AUTH_NTLM 0x0040
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extern const struct Curl_handler Curl_handler_smtp;
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extern const struct Curl_handler Curl_handler_smtps;
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/* this is the 5-bytes End-Of-Body marker for SMTP */
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#define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
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#define SMTP_EOB_LEN 5
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/* if found in data, replace it with this string instead */
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#define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
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#define SMTP_EOB_REPL_LEN 4
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CURLcode Curl_smtp_escape_eob(struct connectdata *conn, ssize_t nread);
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#endif /* __SMTP_H */
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