XrdCryptoBasic Class Reference

#include <XrdCryptoBasic.hh>

Inheritance diagram for XrdCryptoBasic:

Collaboration diagram for XrdCryptoBasic:

Public Member Functions
	XrdCryptoBasic (const char *t=0, int l=0, const char *b=0)
virtual	~XrdCryptoBasic ()
virtual XrdSutBucket *	AsBucket ()
char *	AsHexString ()
virtual char *	Buffer () const
virtual int	FromHex (const char *hex)
virtual int	Length () const
virtual int	SetBuffer (int l, const char *b)
virtual int	SetLength (int l)
virtual int	SetType (const char *t)
virtual char *	Type () const
virtual void	UseBuffer (int l, const char *b)

Detailed Description

Definition at line 47 of file XrdCryptoBasic.hh.

Constructor & Destructor Documentation

XrdCryptoBasic()

XrdCryptoBasic::XrdCryptoBasic	(	const char *	t = 0,
		int	l = 0,
		const char *	b = 0
	)

Definition at line 50 of file XrdCryptoBasic.cc.

{
   // Basic constructor.
   // This class has responsibility over both its buffers.
 
   type = 0;
   membuf = 0;
   lenbuf = 0;
   //
   // Fill in the type, if any
   if (t) {
      int tl = strlen(t);
      if (tl) {
         type = new char[tl+1];
         if (type) {
            memcpy(type,t,tl);
            type[tl] = 0;
         }
      }
   }
   //
   // Fill the buffer and length
   if (l > 0) {
      membuf = new char[l];
      if (membuf) {
         lenbuf = l;
         if (b)
            memcpy(membuf,b,l);
         else
            memset(membuf,0,l);
      }
   }
}

~XrdCryptoBasic()

virtual XrdCryptoBasic::~XrdCryptoBasic ( )

inlinevirtual

Definition at line 53 of file XrdCryptoBasic.hh.

          { if (type) delete[] type; if (membuf) delete[] membuf; }

Member Function Documentation

AsBucket()

XrdSutBucket * XrdCryptoBasic::AsBucket ( )

virtual

Reimplemented in XrdCryptosslCipher, and XrdCryptoCipher.

Definition at line 85 of file XrdCryptoBasic.cc.

{
   // Return pointer to a bucket created using the internal buffer
   // Type is not copied.
   // The bucket is responsible for the allocated memory
 
   XrdSutBucket *buck = (XrdSutBucket *)0;
 
   if (Length()) {
      char *nbuf = new char[Length()];
      if (nbuf) {
         memcpy(nbuf,Buffer(),Length());
         buck = new XrdSutBucket(nbuf,Length());
      }
   }
 
   return buck;
}

References Buffer(), and Length().

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AsHexString()

char * XrdCryptoBasic::AsHexString

(

)

Definition at line 105 of file XrdCryptoBasic.cc.

{
   // Return the internal buffer as a hexadecimal string
   static char out[XrdSutMAXBUF];
 
   int lmax = XrdSutMAXBUF / 2 - 1 ;
   int lconv = (Length() > lmax) ? lmax : Length();
 
   if (!XrdSutToHex(Buffer(),lconv,&out[0]))
      return &out[0];
   return 0;
}

References Buffer(), Length(), XrdSutMAXBUF, and XrdSutToHex().

Referenced by XrdCryptosslMsgDigest::Final(), and main().

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Buffer()

virtual char* XrdCryptoBasic::Buffer ( ) const

inlinevirtual

Definition at line 59 of file XrdCryptoBasic.hh.

{ return membuf; }

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), AsBucket(), XrdCryptosslCipher::AsBucket(), AsHexString(), main(), XrdCryptoMsgDigest::operator==(), XrdSecProtocolgsi::Sign(), and XrdSecProtocolgsi::Verify().

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FromHex()

int XrdCryptoBasic::FromHex ( const char *  hex )

virtual

Definition at line 119 of file XrdCryptoBasic.cc.

{
   // Set a binary buffer from a null-terminated hexadecimal string
   // Returns 0 in case of success, -1 otherwise.
 
   if (!hex)
      return -1;
 
   // Determine length
   int lhex = strlen(hex);
   int lout = lhex / 2;
   if (lout * 2 < lhex) lout++;
 
   // Allocate buffer
   char *bout = new char[lout];
   if (bout) {
      if (XrdSutFromHex(hex, bout, lout) != 0) {
         delete[] bout;
         return -1;
      }
      UseBuffer(lout,bout);
      return 0;
   }
 
   // Failure
   return -1;
}

References Xrd::hex, UseBuffer(), and XrdSutFromHex().

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Length()

virtual int XrdCryptoBasic::Length ( ) const

inlinevirtual

Definition at line 58 of file XrdCryptoBasic.hh.

{ return lenbuf; }

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), AsBucket(), XrdCryptosslCipher::AsBucket(), AsHexString(), XrdCryptosslCipher::Finalize(), main(), XrdCryptoMsgDigest::operator==(), XrdSecProtocolgsi::Sign(), and XrdSecProtocolgsi::Verify().

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SetBuffer()

int XrdCryptoBasic::SetBuffer ( int  l, const char *  b  )

virtual

Definition at line 188 of file XrdCryptoBasic.cc.

{
   // Substitute buffer with the l bytes at b.
   // Returns 0 in case of success, -1 in case of error (in buffer allocation).
 
   if (l > 0) {
      //
      // Allocate new buffer
      char *tmpbuf = new char[l];
      if (tmpbuf) {
         if (b)
            memcpy(tmpbuf,b,l);
         else
            memset(tmpbuf,0,l);
         if (membuf)
            delete[] membuf;
         lenbuf = l;
         membuf = tmpbuf;
      } else
         return -1;
   } else {
      //
      // Release existing buffer, if any
      if (membuf)
         delete[] membuf;
      lenbuf = 0;
      membuf = 0;
   }
 
   return 0;
}

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), XrdCryptosslMsgDigest::Final(), XrdCryptosslCipher::Finalize(), and XrdCryptosslMsgDigest::Reset().

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SetLength()

int XrdCryptoBasic::SetLength ( int  l )

virtual

Definition at line 148 of file XrdCryptoBasic.cc.

{
   // Truncate or enlarge the data buffer length to l; new bytes are filled
   // with 0 in case of enlargement
   // Returns 0 in case of success, -1 in case of error (in buffer allocation).
 
   if (l > 0) {
      //
      // Create new buffer
      char *newbuf = new char[l];
      if (newbuf) {
         //
         // Save existing info
         memcpy(newbuf,membuf,l);
         //
         // Reset additional bytes, if any
         if (l > lenbuf)
            memset(newbuf+lenbuf,0,(l-lenbuf));
         //
         // Release old buffer
         delete[] membuf;
         //
         // Set the new length and buffer
         lenbuf = l;
         membuf = newbuf;
      } else
         return -1;
   } else {
      //
      // Release existing buffer, if any
      if (membuf)
         delete[] membuf;
      lenbuf = 0;
      membuf = 0;
   }
 
   return 0;
}

SetType()

int XrdCryptoBasic::SetType ( const char *  t )

virtual

Definition at line 221 of file XrdCryptoBasic.cc.

{
   // Substitute type with the string at t.
   // Returns 0 in case of success, -1 in case of error (in buffer allocation).
 
   if (t) {
      //
      // Allocate new buffer
      int tl = strlen(t);
      char *tmpbuf = new char[tl+1];
      if (tmpbuf) {
         strcpy(tmpbuf,t);
         delete[] type;
         type = tmpbuf;
      } else
         return -1;
   } else {
      //
      // Release existing buffer, if any
      if (type)
         delete[] type;
      type = 0;
   }
 
   return 0;
}

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), XrdCryptosslMsgDigest::XrdCryptosslMsgDigest(), and XrdCryptosslCipher::Finalize().

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Type()

virtual char* XrdCryptoBasic::Type ( ) const

inlinevirtual

Definition at line 60 of file XrdCryptoBasic.hh.

{ return type; }

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), XrdCryptosslCipher::AsBucket(), XrdCryptosslMsgDigest::Final(), and XrdCryptosslMsgDigest::Update().

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UseBuffer()

virtual void XrdCryptoBasic::UseBuffer ( int  l, const char *  b  )

inlinevirtual

Definition at line 67 of file XrdCryptoBasic.hh.

          { if (membuf) delete[] membuf; membuf = (char *)b; lenbuf = l; }

Referenced by XrdCryptosslCipher::XrdCryptosslCipher(), and FromHex().

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The documentation for this class was generated from the following files:

• XrdCryptoBasic.hh
• XrdCryptoBasic.cc