コード例 #1
0
ファイル: pgpEncSubr.c プロジェクト: ysangkok/pgp-win32-6.5.8
	PGPError
pgpGetMinValidity(
	PGPOptionListRef	 optionList,
	PGPValidity			*failValidity,	/* Output parameters */
	PGPValidity			*warnValidity
	)
{
	PGPError			 err;
	PGPOption			 op;
	PGPUInt32			temp;

	/* Init return pointers */
	pgpa( pgpaAddrValid( failValidity, PGPValidity ) );
	pgpa( pgpaAddrValid( warnValidity, PGPValidity ) );
	/* XXX Need to fix these based on trust model and other aspects */
	*failValidity = kPGPValidity_Unknown;
	*warnValidity = kPGPValidity_Marginal;

	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
						  kPGPOptionType_FailBelowValidity, &op ) ) )
		goto error;
	if( IsOp( op ) ) {
		
		if( IsPGPError( err = pgpOptionUInt( &op, &temp ) ) )
			goto error;
		*failValidity	= (PGPValidity)temp;
	}
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
						  kPGPOptionType_WarnBelowValidity, &op ) ) )
		goto error;
	if( IsOp( op ) ) {
		if( IsPGPError( err = pgpOptionUInt( &op, &temp ) ) )
			goto error;
		*warnValidity	= (PGPValidity)temp;
	}
	return kPGPError_NoErr;

error:
	return err;
}
コード例 #2
0
ファイル: Expression.cpp プロジェクト: wuhao007/LeetCode
double Expression::Parse(const string& token, vector<vector<Expression> >& sSheet, deque<double>& terms) {
    if (token.length() == 0) {
        throw runtime_error("Parsing failed: please trim whitespace");
    } else if (IsVal(token)) {
        return atof(token.c_str());
    } else if (IsRef(token)) {
        return Deref(token, sSheet);
    } else if (IsOp(token)) {
        return Oper(token, terms);
    } else {
        throw runtime_error("Parsing failed with: " + token);
    }
}
コード例 #3
0
inline Node2D* Eval2D(std::string & s){
    std::string T;
    if(isdigit(s[0])){
        T=GetNumber(s);
        if(s.size()>0){
            if(IsOp(s[0])){
                char Op=s[0];
                s.erase(s.begin());
                return new OperatorNode2D(T,s,Op);
            }
        }
        else return new Leaf2D(T);
    }
    else if(s[0]=='x'||s[0]=='y'){
        if(s.size()==1) return new Leaf2D(s);
        else{
            T+=s[0];
            s.erase(s.begin());
            char Op=s[0];
            s.erase(s.begin());
            return new OperatorNode2D(T,s,Op);
        }
    }
    else if(IsFunc(s[0])){
        T=GetFunc(s);
        if(OnlyFunc(T+s)){return new FunctionNode2D(T);}
        else{
            char op=s[0];
            s.erase(s.begin());
            return new OperatorNode2D(T,s,op);
        }
    }
    if(OnlyParenth(s)){
        s.erase(s.begin());
        s.pop_back();
        return Eval2D(s);
    }
    T=GetParenth(s);
    char op=s[0];
    s.erase(s.begin());
    return new OperatorNode2D(T,s,op);
}
コード例 #4
0
ファイル: Calculator.cpp プロジェクト: seungwoonlee/dream
char* CalcExpresion(char* str)
{
	char* cp = str;
	int num[BUF_MAX] = { 0, };	// 숫자배열 저장
	char op[BUF_MAX][2] = { 0, };	// 0번행은 Op저장, 1번행은 우선순위 저장
	char temp[BUF_MAX]  = { 0, };
	char A[BUF_MAX] = { 0, };
	char P[2] = { 0, 0 };
	int flagMinus = 1;
	int i = 0;
	int idxNum = 0;
	int idxOp = 0;
	int eval = 0;
	
	switch(*str)	// 첫번째 글자체크  비연속 +, 비연속 -, 숫자 만 허용하고 나머지는 모두 에러
	{
	case '+':
		zStrcpy(temp, str);
		zStrcpy(str, temp+1);
		break;
	case '-':
		if (*(str+1) == '-')
		{
			flagMinus = 1;
			zStrcpy(temp, str);
			zStrcpy(str, temp+2);
			break;
		}
		flagMinus = -1;
		zStrcpy(temp, str);
		zStrcpy(str, temp+1);
		break;
	default:
		if (!IsDigit(*str))
		{
			Error("!!! The Expresion has Error !!!\n");
		}		
		break;		
	}
	
	while (*str != '\0')	// 첫번째 기호를 제거했기 때문에 첫번째 글자는 숫자로 시작한다.
	{
		if (!(IsOp(*str) || IsDigit(*str)))	// 숫자나 기호만 허용된다.
		{
			Error("!!! The Expresion has Error !!!\n");
		}
		i = 0;
		while (IsDigit(*str))
		{
			A[i] = *str;	// atoi() 용 임시버퍼
			i++;
			str++;
		}
		num[idxNum] = zAtoi(A) * flagMinus;
		flagMinus = 1;
		idxNum++;
		while (i-- != 0)
		{
			A[i] = '\0';
		}
		if (!IsOp(*str))
		{
			if (op[0][0] == 0)
			{
				break;
			}
			if (*str == '\0')
			{
				break;
			}
			Error("!!! The Expresion has Error !!!\n");
		}
		while (IsOp(*str))
		{
			P[0] = *str++;
			P[1] = *str;
			if (IsDigit(P[1]))
			{
				break;
			}
			switch (P[1])
			{
				case '+':
					str++;
					break;
				case '-':
					flagMinus = -1;
					str++;
					break;
				case '*':
				case '/':
				case '%':
					Error("!!! The Expresion has Error !!!\n");
				default:
					Error("!!! The Expresion has Error !!!\n");
			}
			break;
		}
		op[idxOp][0] = P[0];
		idxOp++;
		P[0] = 0;
		P[1] = 0;
	}

	OrderOp(op);	// Op 배열에 우선순위를 기록한다.

	eval = EvalExpresion(num, op);

	return zItoa(eval, cp);
}
コード例 #5
0
ファイル: pgpEncSubr.c プロジェクト: ysangkok/pgp-win32-6.5.8
	PGPError
pgpSetupOutputPipeline(
	PGPContextRef	 	  context,		/* Input params */
	PGPOptionListRef	  optionList,
	PGPEnv				 *env,
	PGPBoolean			  fEncrypt,
	PGPBoolean			  fSign,
	PGPBoolean			  fDetachedSig,
	PGPBoolean			  fAppendOutput,
	PGPBoolean			  fExported509Keys,
	PGPPipeline		   ***tail,			/* Input/output param */
	PFLConstFileSpecRef	 *outFileRef,	/* Output params */
	PGPFile				 **pfout,
	PGPByte				**outBufPtr,
	PGPByte			   ***outBufPtrPtr,
	PGPSize				 *outBufLength,
	PGPSize				**outBufUsed,
	PGPPipeline			**outPipe
	)
{
	PGPOption			 op;			/* Selected option from list */
	PGPError			 err;			/* Error return code */
	PGPFileType			 filetype;		/* Type of output file we open */
	PGPUInt32			 fDiscard;		/* Discard output option flag */
	PGPBoolean			 fArmor;		/* Ascii armor */
	PGPMemoryMgrRef		memoryMgr	= NULL;

	/* Init return data to default states */
	pgpa( pgpaAddrValid( outFileRef, PFLConstFileSpecRef ) );
	pgpa( pgpaAddrValid( pfout, PGPFile * ) );
	pgpa( pgpaAddrValid( outBufPtr, PGPByte * ) );
	pgpa( pgpaAddrValid( outBufLength, PGPSize ) );
	pgpa( pgpaAddrValid( outBufUsed, PGPSize * ) );
	pgpa( pgpaAddrValid( outPipe, PGPPipeline * ) );
	*outFileRef = NULL;
	*pfout = NULL;
	*outBufPtr = NULL;
	*outBufLength = 0;
	*outBufUsed = NULL;
	*outPipe = NULL;
	
	memoryMgr	= PGPGetContextMemoryMgr( context );

	/* See if there is an output file specified */
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
							 kPGPOptionType_OutputFileRef, &op ) ) )
		goto error;

	if( IsOp( op ) ) {
		/* Have an output file specified */
		PGPFileOpenFlags flags;

		if( IsPGPError( err = pgpOptionPtr( &op, (void **)outFileRef ) ) )
			goto error;

		/* See whether we are outputing an encrypted vs ascii armored file */
		fArmor = pgpenvGetInt( env, PGPENV_ARMOR, NULL, NULL );
		if( fArmor) {
			filetype = kPGPFileTypeArmorFile;
		} else if( fEncrypt ) {
			filetype = kPGPFileTypeEncryptedData;
		} else if( fSign ) {
			if( fDetachedSig ) {
				filetype = kPGPFileTypeDetachedSig;
			} else {
				filetype = kPGPFileTypeSignedData;
			}
		} else if( fExported509Keys ) {
			filetype = kPGPFileTypeExported509Keys;
		} else {
			pgpDebugMsg( "pgpSetupOutputPipeline(): Unknown file type" );
			filetype = kPGPFileTypeNone;
		}

		/* Open output file */
		flags = fAppendOutput ? kPGPFileOpenStdAppendFlags :
								kPGPFileOpenStdWriteFlags ;
		*pfout = pgpFileRefOpen( context, *outFileRef, flags, filetype, &err );
		if( NULL==(int)( *pfout ) ) {
			goto error;
		}
		
		/* Set up output pipeline.  This reads and writes *tail. */
		if( NULL==(int)( pgpFileWriteCreate( context,
					*tail, *pfout, 1 ) ) ) {
			err = kPGPError_OutOfMemory;
			goto error;
		}
	}

	/* See if there is an output buffer specified */
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
							 kPGPOptionType_OutputBuffer, &op ) ) )
		goto error;

	if( IsOp( op ) ) {
		/* Have an output buffer specified */
		if( NULL!=(int)( *outFileRef ) ) {
			pgpDebugMsg( "Error: multiple output options" );
			err = kPGPError_BadParams;
			goto error;
		}
	
		if( IsPGPError( err = pgpOptionPtrLengthPtr( &op, (void **)outBufPtr,
								outBufLength, (void **)outBufUsed ) ) )
			goto error;

		*outPipe = pgpMemModCreate( context, *tail, (char *) *outBufPtr,
									*outBufLength);
		if ( NULL==(int)( *outPipe ) ) {
			err = kPGPError_OutOfMemory; /* What else could it be? */
			goto error;
		}
		if( fAppendOutput ) {
			/* Skip past existing buffer contents */
			if( IsPGPError( err = (*outPipe)->annotate( *outPipe, NULL,
					 PGPANN_MEM_PREPEND,
					 (unsigned char *)*outBufPtr, **outBufUsed ) ) )
				goto error;
		}
	}

	/* Check for variable-sized output buffer specification */
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
							 kPGPOptionType_OutputAllocatedBuffer, &op ) ) )
		goto error;

	if( IsOp( op ) ) {
		/* Have an output buffer specified */
		if( NULL!=(int)( *outFileRef ) || NULL!=(int)( *outBufPtr ) ) {
			pgpDebugMsg( "Error: multiple output options" );
			err = kPGPError_BadParams;
			goto error;
		}
	
		if( IsPGPError( err = pgpOptionPtrLengthPtr( &op,
				(void **)outBufPtrPtr, outBufLength, (void **)outBufUsed ) ) )
			goto error;

		*outPipe = pgpVariableMemModCreate( context,
						*tail, *outBufLength );
		if ( NULL==(int)( *outPipe ) ) {
			err = kPGPError_OutOfMemory; /* What else could it be? */
			goto error;
		}
		if( fAppendOutput && **outBufUsed != 0 ) {
			/* Prepend existing buffer contents */
			if( IsPGPError( err = (*outPipe)->annotate( *outPipe, NULL,
					 PGPANN_MEM_PREPEND,
					 (unsigned char *)**outBufPtrPtr, **outBufUsed ) ) )
				goto error;
			/* Free buffer now that we have captured it */
			PGPFreeData( **outBufPtrPtr );
			**outBufPtrPtr = NULL;
		}
	}

	if( IsPGPError( err = pgpFindOptionArgs( optionList,
						 kPGPOptionType_DiscardOutput, FALSE,
						 "%d", &fDiscard ) ) )
		goto error;
	if( fDiscard ) {
		/* User wants to go to /dev/null */
		if( NULL!=(int)( *outFileRef ) || NULL!=(int)( *outBufPtr ) ||
			NULL!=(int)( *outBufPtrPtr ) ) {
			pgpDebugMsg( "Error: multiple output options" );
			err = kPGPError_BadParams;
			goto error;
		}
		if ( NULL==(int)( pgpDevNullCreate( context, *tail ) ) ) {
			err = kPGPError_OutOfMemory; /* What else could it be? */
			goto error;
		}
	} else if( NULL==(int)( *outFileRef ) && NULL==(int)( *outBufPtr )
			   						 && NULL==(int)( *outBufPtrPtr ) ) {
		pgpDebugMsg( "Error: no output options" );
		err = kPGPError_BadParams;
		goto error;
	}
	return kPGPError_NoErr;

error:

	*outFileRef = NULL;
	if( NULL!=(int)( *pfout ) ) {
		pgpFileClose( *pfout );
		*pfout = NULL;
	}
	*outBufPtr = NULL;
	*outBufPtrPtr = NULL;
	*outBufLength = 0;
	*outPipe = NULL;
	return err; 
}
コード例 #6
0
ファイル: pgpEncSubr.c プロジェクト: ysangkok/pgp-win32-6.5.8
	PGPError
pgpSetupInput(
	PGPContextRef	 	  context,		/* Input params */
	PGPOptionListRef	  optionList,
	PgpLiteralParams	 *literal,
	PGPRandomContext	 *rng,
	PGPBoolean			  inputMode,
	PGPBoolean			  detachedSignature,
	PFLConstFileSpecRef	 *inFileRef,	/* Output params */
	PGPFileRead         **pfrin,
	PGPFileDataType		 *inFileDataType,
	PGPByte				**inBufPtr,
	PGPSize				 *inBufLength
	)
{
	PGPOption			 op;			/* Selected option from list */
	PGPError			 err;			/* Error return code */
	static char			 fyeomagic[] = "_CONSOLE"; /* Display-only mode */
	PGPUInt32			 localEncode;	/* Special input encoding (macbin) */
	PGPFileOpenFlags	 localEncodeFlags;	/* Flag form of localEncode */
	PGPByte const		*peekBuf;		/* For RNG seeding from file */
	PGPSize				 peekLength;	/* Length of peekBuf */

	/* Init return data to default states */
	pgpa( pgpaAddrValid( inFileRef, PFLConstFileSpecRef ) );
	pgpa( pgpaAddrValid( pfrin, PGPFileRead * ) );
	pgpa( pgpaAddrValid( inFileDataType, PGPFileDataType ) );
	pgpa( pgpaAddrValid( inBufPtr, PGPByte * ) );
	pgpa( pgpaAddrValid( inBufLength, PGPSize ) );
	*inFileRef = NULL;
	*pfrin = NULL;
	*inFileDataType = kPGPFileDataType_Unknown;
	*inBufPtr = NULL;
	*inBufLength = 0;
	if( NULL!=(int)( literal) ) {
		pgpa( pgpaAddrValid( literal, PgpLiteralParams ) );
		literal->filename = NULL;
		literal->timestamp = ( PGPUInt32 ) 0;
	}

	if( NULL!=(int)( literal ) ) {
		/* First check "for your eyes only" mode, flag with magic filename */
		PGPUInt32 fFYEO;
		if( IsPGPError( err = pgpFindOptionArgs( optionList,
							 kPGPOptionType_ForYourEyesOnly, FALSE,
							 "%d", &fFYEO ) ) )
			goto error;
		if( fFYEO ) {
			literal->filename = pgpAllocCString( context, fyeomagic );
		}
	}

	/* See if there is an input file specified */
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
							 kPGPOptionType_InputFileRef, &op ) ) )
		goto error;
	if( IsOp( op ) ) {
		/* File input */
		if( IsPGPError( err = pgpOptionPtr( &op, (void **)inFileRef ) ) )
			goto error;
		if( NULL!=(int)( literal ) ) {
			if( NULL==(int)( literal->filename ) ) {
				char *filerefname;
				void *vfilerefname;
				if( IsPGPError( err = pgpFindOptionArgs( optionList,
									 kPGPOptionType_InputFileName, FALSE,
									 "%p", &vfilerefname ) ) )
					goto error;
				filerefname = (char *)vfilerefname;
				if( NULL!=(int)( filerefname ) ) {
					literal->filename = pgpAllocCString( context,
														 filerefname );
				} else {
					filerefname = pgpGetFileRefName( *inFileRef );
					literal->filename = pgpAllocCString( context,
														 filerefname );
					PGPFreeData( filerefname );
				}
			}
		}
		localEncodeFlags = (PGPFileOpenFlags)0;
		if( inputMode ) {
			if( IsPGPError( err = pgpSearchOptionSingle( optionList,
									 kPGPOptionType_LocalEncoding, &op ) ) )
				goto error;
			if( IsOp( op ) ) {
				if( IsPGPError( err = pgpOptionUInt( &op, &localEncode ) ) )
					goto error;
				localEncodeFlags = pgpLocalEncodingToFlags( localEncode );
			}
		}
		localEncodeFlags |= kPGPFileOpenReadPerm;
		if( detachedSignature) {
			localEncodeFlags |= kPGPFileOpenLocalEncodeHashOnly;
		}

		/* Open input file */
		*pfrin = pgpFileRefReadCreate( context, *inFileRef,
							localEncodeFlags, &err, inFileDataType );
		if( NULL==(int)( *pfrin ) ) {
			goto error;
		}
		if( NULL!=(int)( rng ) ) {
			/* Add some data from the file to the RNG for more entropy */
			peekBuf = pgpFileReadPeek( *pfrin, &peekLength );
			pgpRandomAddBytes( rng, peekBuf, peekLength );
		}
	}

	/* See if there is a buffer specified */
	if( IsPGPError( err = pgpSearchOptionSingle( optionList,
							 kPGPOptionType_InputBuffer, &op ) ) )
		goto error;
	if( IsOp( op ) ) {
		/* Buffer input */
		if ( NULL!=(int)( *inFileRef ) ) {
			/* Error if buffer input also specified */
			pgpDebugMsg( "Error: multiple input options" );
			err = kPGPError_BadParams;
			goto error;
		}
		if( NULL!=(int)( literal ) ) {
			/*
			 * Fake up filename if FYEO mode above didn't set it.
			 * Earlier versions of PGP used the fake filename "stdin".
			 * However this cannot be distinguished from the case where
			 * a file with that name is encrypted.  We will change to using
			 * an empty string for this case, if no name was specified.
			 */
			if( NULL==(int)( literal->filename ) ) {
				char *filerefname;
				void *vfilerefname;
				if( IsPGPError( err = pgpFindOptionArgs( optionList,
									 kPGPOptionType_InputFileName, FALSE,
									 "%p", &vfilerefname ) ) )
					goto error;
				filerefname = (char *)vfilerefname;
				if( NULL==(int)( filerefname ) ) {
					filerefname = (char *)"";
				}
				literal->filename = pgpAllocCString( context, filerefname );
			}
		}
		if( IsPGPError( err = pgpOptionPtrLength( &op,
							   (void **)inBufPtr, inBufLength ) ) )
			goto error;
		if( NULL!=(int)( rng ) ) {
			/* Pre-seed RNG with some entropy from buffer */
			pgpRandomAddBytes( rng, *inBufPtr, pgpMin( 1024, *inBufLength ) );
		}
	}

	/* Must have some input */
	if ( NULL==(int)( *inBufPtr ) && NULL==(int)( *inFileRef ) ) {
		pgpDebugMsg( "Error: no input options" );
		err = kPGPError_BadParams;
		goto error;
	}
	return kPGPError_NoErr;

error:
	*inFileRef = NULL;
	if( NULL!=(int)( *pfrin ) ) {
		pgpFileReadDestroy( *pfrin );
		*pfrin = NULL;
	}
	*inBufPtr = NULL;
	*inBufLength = 0;
	if( NULL!=(int)( literal ) ) {
		if( NULL!=(int)( literal->filename ) ) {
			pgpContextMemFree( context, (char *)literal->filename );
			literal->filename = NULL;
		}
	}
	return err;
}