129 lines
3 KiB
C
129 lines
3 KiB
C
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/*++
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Copyright (c) 1994 Microsoft Corporation
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Module Name :
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ims.h
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Abstract:
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Common header for Internet Mail System components.
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Author:
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Richard Kamicar (rkamicar) 31-Dec-1995
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Project:
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IMS
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Revision History:
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--*/
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#ifndef _IMS_H_
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#define _IMS_H_
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#define I64_LI(cli) (*((__int64*)&cli))
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#define LI_I64(i) (*((LARGE_INTEGER*)&i))
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#define INT64_FROM_LARGE_INTEGER(cli) I64_LI(cli)
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#define LARGE_INTEGER_FROM_INT64(i) LI_I64(i)
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#define I64_FT(ft) (*((__int64*)&ft))
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#define FT_I64(i) (*((FILETIME*)&i))
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#define INT64_FROM_FILETIME(ft) I64_FT(ft)
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#define FILETIME_FROM_INT64(i) FT_I64(i)
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//
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// These can be overridden by registry values.
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//
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#define IMS_MAX_ERRORS 10
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#define IMS_MAX_USER_NAME_LEN 64
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#define IMS_MAX_DOMAIN_NAME_LEN 256
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#define IMS_MAX_PATH_LEN 64
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#define IMS_MAX_MSG_SIZE 42 * 1024
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#define IMS_MAX_FILE_NAME_LEN 40
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#define IMS_ACCESS_LOCKFILE TEXT("pop3lock.lck")
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#define IMS_ACCESS_LOCKFILE_NAME IMS_ACCESS_LOCKFILE
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#define IMS_DOMAIN_KEY TEXT("DomainName")
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#define IMS_EXTENSION TEXT("eml")
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#define ENV_EXTENSION TEXT("env")
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static const int TABLE_SIZE = 241;
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/*++
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This function canonicalizes the path, taking into account the current
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user's current directory value.
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Arguments:
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pszDest string that will on return contain the complete
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canonicalized path. This buffer will be of size
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specified in *lpdwSize.
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lpdwSize Contains the size of the buffer pszDest on entry.
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On return contains the number of bytes written
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into the buffer or number of bytes required.
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pszSearchPath pointer to string containing the path to be converted.
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IF NULL, use the current directory only
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Returns:
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Win32 Error Code - NO_ERROR on success
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MuraliK 24-Apr-1995 Created.
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--*/
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BOOL
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ResolveVirtualRoot(
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OUT CHAR * pszDest,
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IN OUT LPDWORD lpdwSize,
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IN OUT CHAR * pszSearchPath,
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OUT HANDLE * phToken = NULL
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);
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//Published hash algorithm used in the UNIX ELF
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//format for object files
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inline unsigned long ElfHash (const unsigned char * UserName)
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{
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unsigned long HashValue = 0, g;
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while (*UserName)
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{
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HashValue = (HashValue << 4) + *UserName++;
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if( g = HashValue & 0xF0000000)
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HashValue ^= g >> 24;
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HashValue &= ~g;
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}
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return HashValue;
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}
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inline DWORD HashUser (const unsigned char * UserName)
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{
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DWORD HashValue = ElfHash (UserName);
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HashValue %= TABLE_SIZE;
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return HashValue;
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}
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inline VOID
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MakeInboxPath(
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LPTSTR pszInboxPath, // UNICODE | ASCII
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LPCTSTR pszMailRoot, // UNICODE | ASCII
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LPCSTR paszUserName // ASCII
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)
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{
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wsprintf(pszInboxPath, "%s\\%u\\%hs",
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pszMailRoot,
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HashUser((const unsigned char *)paszUserName),
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paszUserName);
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}
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#endif
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