121 lines
4.9 KiB
C
121 lines
4.9 KiB
C
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: envdef.h
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 01-05-96 Rohanp Created
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//
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//----------------------------------------------------------------------------
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#ifndef __ENVDEF_H__
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#define __ENVDEF_H__
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#define MSG_TYPE_NDR 0x00000001 //Msg is an NDR
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#define MSG_TYPE_DSL 0x00000002 //Msg has a DL
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#define MSG_TYPE_NDE 0x00000004 //Msg is to be NDRed immediately
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#define MSG_TYPE_NDP 0x00000008 //NDR sent to POSTMASTER
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#define MSG_TYPE_RES 0x00000010 //Msg was already resolved through abook
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#define MSG_TYPE_EMIME 0x00000020 //Msg is 8bit mime
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#define MSG_TYPE_RQL 0x00000040 //Requeue this message to the sharing queue
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#define MSG_TYPE_LRE 0x00000080 //Local recipients were in the retry queue
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#define MSG_TYPE_RRE 0x00000100 //Remote recipients were in the retry queue
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#define MSG_TYPE_NEW 0x00000200 //Brand new message
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#define MSG_TYPE_SQL 0x00000400 //Reading from SQL
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#define MSG_TYPE_PKUP 0x00000800 //Reading from Pickup directory
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#define MSG_TYPE_ASYNC_RES_STARTED 0x00001000 //Async resolution started
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#define MSG_TYPE_ASYNC_RES_STOPPED 0x00002000 //Async resolution stopped
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#define MSG_TYPE_LTR_PRESENT 0x00004000 //An LTR is present before addr resolution
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//current version of this header
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#define CURRENT_HEADER_HIGH_VERSION 1
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#define CURRENT_HEADER_LOW_VERSION 0
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#define MAKESMTPVERSION(HighVersion, LowVersion) (((HighVersion) << 16) | (LowVersion))
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#define ENV_SIGNATURE ((DWORD)'SENV')
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#define IsPropertySet(Flags, Option) ((Flags & Option) == Option)
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enum HEADER_OFFSET {HDR_VERSION, HDR_TYPE, HDR_LOFFSET, HDR_LSIZE,
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HDR_ROFFSET, HDR_RSIZE, HDR_LEXP_TIME,
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HDR_RETRY_OFFSET, HDR_RETRY_ELEMENTS,
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HDR_ROUTE_SIZE, HDR_REXP_TIME};
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/*
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The envelope for each message resides in an NTFS
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stream in that message file. The envelope has
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a header that looks like the following :
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struct ENVELOPE_HEADER
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{
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DWORD Version; // The current version of this structure
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DWORD Signature; // Signature (should be 'SENV'
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DWORD HdrSize; // Current size of this structure
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DWORD BodyOffset; // Offset of the body of the message from beginning
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DWORD MsgFlags; // 0 if normal message, 1 if NDR message
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DWORD LocalOffset; // Local rcpt. list offset
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DWORD RemoteOffset; // Remote rcpt. list offset
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DWORD LocalSize; // Size of local rcpt list in bytes
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DWORD RemoteSize; // Size of remote rcpt list in bytes
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DWORD RouteStructSize; // Size of AB structure, if present
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LONGLONG LocalExpireTime; // Time to delete local portion of mail
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LONGLONG RemoteExpireTime; // To delete remote portion of mail
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};
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Right after the envelope header is the address
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that was in the "Mail From" line. This address
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is stored like "Srohanp@microsoft.com\n". The "S"
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stands for SENDER. In the code below, the first
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byte is always removed when reading the address.
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The '\n' is also replaced with a '\0';
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In this version the Remote recipient list, if any,
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comes right after the senders' address. You can
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also find it by seeking RemoteOffset bytes from the
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beginning of the file. Once RemoteOffset is reached,
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the code reads RemoteSize bytes of data. This is the
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total size in bytes of the remote recipient list.
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Each recipient address is stored on a line by itself,
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with the first letter "R" as in the example below:
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Rrohanp@microsoft.com\n
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Rtoddch@microsoft.com\n
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etc.
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The local addresses have the same format. The first byte,
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'R' stands for recipient and is always removed when building
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the address. The '\n' is also removed.
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*/
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typedef struct _ENVELOPE_HEADER_
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{
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DWORD Version; // The current version of this structure
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DWORD Signature; // Signature (should be 'SENV'
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DWORD HdrSize; // Size of this header
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DWORD BodyOffset; // Offset of body into file
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DWORD MsgFlags; // Has flags noted above
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DWORD LocalOffset; // Local rcpt. list offset
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DWORD RemoteOffset; // Remote rcpt. list offset
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DWORD LocalSize; // Size of local rcpt list in bytes
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DWORD RemoteSize; // Size of remote rcpt list in bytes
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DWORD RouteStructSize; // Size of AB structure, if present
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DWORD RetryOffset; // offset of local recipients to retry
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DWORD RetryElements; // Size of retry list
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LONGLONG LocalExpireTime; // Time to delete local portion of mail
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LONGLONG RemoteExpireTime; // To delete remote portion of mail
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} ENVELOPE_HEADER, *PENV_HEADER;
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typedef struct _ENVELOPE_HEADER_EX_
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{
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DWORD ErrorCode;
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ABROUTING AbInfo; // Last address in DL we processed
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}ENVELOPE_HEADER_EX, *PENV_HEADER_EX;
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#endif
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