UTL_DN.C

// --UTL_CLI.c------------------------------------------------------------------ 
// 
// Utilities for retrieving distinguished names from Exchange server 
// 
// Copyright (C) Microsoft Corp. 1986-1996.  All Rights Reserved. 
// 
// ----------------------------------------------------------------------------- 
 
#include "edk.h" 
#include "utl_dn.chk" 
 
//$--HrGetMailboxDN---------------------------------------------------------- 
//  Retrieves mailbox distinguished name from the current session object. 
//  Example output: /O=Enterprise/OU=Site/CN=Recipients/CN=MailboxName 
// ----------------------------------------------------------------------------- 
HRESULT HrGetMailboxDN( 
    IN  LPMAPISESSION lphSession,       // current session 
    OUT LPSTR *ppszMailboxDN)           // distinguished name of mailbox. 
{ 
    HRESULT         hr              = NOERROR; 
    LPMAPIPROP      lpSessionProps  = NULL;  
    LPSPropValue    lpEmailAddress  = NULL; 
    ULONG           cProps          = 0L; 
 
    static SPropTagArray PropEmailAddress = { 1L, { PR_EMAIL_ADDRESS_A}}; 
 
    DEBUGPUBLIC( "HrGetMailboxDN()"); 
 
    hr = CHK_HrGetMailboxDN( lphSession, ppszMailboxDN); 
    if( FAILED( hr)) 
        RETURN( hr); 
 
    hr = HrOpenSessionObject( lphSession, &lpSessionProps); 
    if( FAILED( hr)) 
        goto cleanup; 
 
    hr = MAPICALL( lpSessionProps)->GetProps( lpSessionProps, 
        &PropEmailAddress, 
        0L, 
        &cProps, 
        &lpEmailAddress); 
    if( FAILED( hr) || hr == MAPI_W_ERRORS_RETURNED) 
    { 
        hr = HR_LOG( E_FAIL); 
        goto cleanup; 
    } 
 
    ASSERTERROR( cProps == 1, "Unexpected number of props returned!"); 
    ASSERTERROR( lpEmailAddress != NULL, "Invalid EmailAddress prop"); 
 
    hr = MAPIAllocateBuffer( cbStrLenA( lpEmailAddress->Value.lpszA), (PVOID*)ppszMailboxDN); 
    if( FAILED( hr)) 
    { 
        hr = HR_LOG( E_OUTOFMEMORY); 
        goto cleanup; 
    } 
 
    lstrcpyA( *ppszMailboxDN, lpEmailAddress->Value.lpszA); 
 
cleanup: 
    MAPIFREEBUFFER( lpEmailAddress); 
 
    ULRELEASE( lpSessionProps); 
 
    RETURN( hr); 
} 
 
//$--HrGetServerDN---------------------------------------------------------- 
//  Retrieves server distinguished name from the current session object. 
//  Example output: /O=Enterprise/OU=Site/CN=Servers/CN=ServerName/CN=NULL 
// ----------------------------------------------------------------------------- 
HRESULT HrGetServerDN( 
    IN  LPMAPISESSION lphSession,       // current session 
    OUT LPSTR *ppszServerDN)            // distinguished name of server.  
{ 
    HRESULT         hr              = NOERROR; 
    LPMAPIPROP      lpSessionProps  = NULL;  
    LPSPropValue    lpHomeMTA       = NULL; 
    ULONG           cbDN            = 0L; 
    ULONG           cProps          = 0L; 
    LPSTR           lpLastCN        = NULL; 
 
    static SPropTagArray PropHomeMTA = { 1L, { PR_EMS_AB_HOME_MTA_A}}; 
 
    DEBUGPUBLIC( "HrGetServerDN()"); 
   
    hr = CHK_HrGetServerDN( lphSession, ppszServerDN); 
    if( FAILED( hr)) 
        RETURN( hr); 
 
    hr = HrOpenSessionObject( lphSession, &lpSessionProps); 
    if( FAILED( hr)) 
        goto cleanup; 
 
    hr = MAPICALL( lpSessionProps)->GetProps( lpSessionProps, 
        &PropHomeMTA, 
        0L, 
        &cProps, 
        &lpHomeMTA); 
    if( FAILED( hr) || hr == MAPI_W_ERRORS_RETURNED) 
    { 
        hr = HR_LOG( E_FAIL); 
        goto cleanup; 
    } 
 
    ASSERTERROR( cProps == 1, "Unexpected number of props returned!"); 
    ASSERTERROR( lpHomeMTA != NULL, "Invalid HomeMTA prop"); 
 
    // Search for last "/cn=" and ignore it when copying string 
    lpLastCN = strrchr( lpHomeMTA->Value.lpszA, '/'); 
    if( lpLastCN == NULL || 
        _strnicmp( lpLastCN, "/cn=", 4) != 0) 
    { 
        hr = HR_LOG( E_FAIL); 
        goto cleanup; 
    } 
 
    cbDN = lpLastCN - lpHomeMTA->Value.lpszA; 
 
    hr = MAPIAllocateBuffer( cbDN + 1, (PVOID*)ppszServerDN); 
    if( FAILED( hr)) 
    { 
        hr = HR_LOG( E_OUTOFMEMORY); 
        goto cleanup; 
    } 
 
    strncpy( *ppszServerDN, lpHomeMTA->Value.lpszA, cbDN); 
    (*ppszServerDN)[cbDN] = '\0'; 
 
cleanup: 
    MAPIFREEBUFFER( lpHomeMTA); 
 
    ULRELEASE( lpSessionProps); 
 
    RETURN( hr); 
}