windows-server-2003/net/sfm/uam/macsource/uam_common/uamutils.cpp

// ===========================================================================
//	UAMUtils.cp 				� 1997 Microsoft Corp. All rights reserved.
// ===========================================================================
// General utilities used by the Microsoft User Authentication Method.
//
// ===========================================================================

#ifdef UAM_TARGET_CARBON
#include <Carbon/Carbon.h>
#include <CoreServices/CoreServices.h>
#else
#include <OpenTransport.h>
#include <OpenTptLinks.h>
#include <OpenTptConfig.h>
#endif

#include <String.h>
#include <stdio.h>
#include <ctype.h>
#include <macstrsafe.h>

#include "UAMUtils.h"
#include "UAMNetwork.h"
#include "UAMDialogs.h"
#include "UAMDebug.h"


// ---------------------------------------------------------------------------
//		� UAM_CToPStr()
// ---------------------------------------------------------------------------
//	In carbon, c2pstr is not supported. Roll our own.
//
//	This should usually be called using the _c2pstr macro.

StringPtr UAM_CToPStr(char* ioStr)
{
	if (ioStr != nil)
	{
		UInt8	theLen = strlen(ioStr);
		
		BlockMoveData(ioStr, ioStr+1, theLen);
		
		ioStr[0] = (char)theLen;
	}
	
	return((StringPtr)ioStr);
}


// ---------------------------------------------------------------------------
//		� UAM_PToCStr()
// ---------------------------------------------------------------------------
//	In carbon, p2cstr is not supported. Roll our own.
//
//	This should usually be called using the _p2cstr macro.

char* UAM_PToCStr(StringPtr ioStr)
{
	if (ioStr != nil)
	{
		UInt8	theLen = PSTR_LENGTH(ioStr);
		
		BlockMoveData(ioStr+1, ioStr, theLen);
		
		ioStr[theLen] = 0;
	}
	
	return((char*)ioStr);
}


// ---------------------------------------------------------------------------
//		� UAM_PStrCopy()
// ---------------------------------------------------------------------------
//	Custom routine for copying pascal style strings. Copies inSrcString into
//	inDestString.
//

void UAM_PStrCopy(const Str255 inSrcString, StringPtr inDestString, SInt16 inMaxLength)
{
	//
	//01.16.02: Add check for string length. Default to 256 bytes max length.
	//
	
	Size	theAmountToCopy = PSTR_LENGTH(inSrcString) + 1;
	
	theAmountToCopy = (theAmountToCopy > inMaxLength) ? inMaxLength : theAmountToCopy;
	
	BlockMove(inSrcString, inDestString, theAmountToCopy);
	inDestString[0] = inSrcString[0];
}


// ---------------------------------------------------------------------------
//		� UAM_AppendPStr()
// ---------------------------------------------------------------------------
//	Custom routine for appending one pascal style string to another.
//	inAppendStr in pasted to the end of inBase. inDestSize if the maximum size
//	the new string can be.

void UAM_AppendPStr(Str255 inBase, const Str255 inAppendStr, short inDestSize)
{
	short	charsToCopy	= inAppendStr[0];
	
	if ((inBase[0] + charsToCopy) > (inDestSize - 1)) {
		charsToCopy = inDestSize - 1 - inBase[0];
	}
	
	BlockMove(inAppendStr + 1, inBase + inBase[0] + 1, charsToCopy);
	
	inBase[0] += charsToCopy;
}

#pragma mark-
// ---------------------------------------------------------------------------
//		� UAM_GetUserName()
// ---------------------------------------------------------------------------
//	Returns the default user name as set in the Sharing Setup/File Sharing
//	dialogs. This would also be considered the old 'Chooser' name.

void UAM_GetUserName(StringPtr outUserName)
{
	StringHandle	theString = NULL;
	
	outUserName[0] = 0;
		
	theString = GetString(STR_ChooserUserName);
	if (theString != NULL)
	{
		UAM_PStrCopy(*theString, outUserName);
	}
}


// ---------------------------------------------------------------------------
//		� UAM_GetWorkStationName()
// ---------------------------------------------------------------------------
//	Returns the workstation name as set in the Sharing Setup/File Sharing
//	dialogs.

void UAM_GetWorkStationName(Str255 outWSName)
{
	StringHandle	theString = NULL;
	Str255			theAddress;
	
	//
	//We assume failure here, if it fails, the user hasn't entered
	//a