qtransportauth_qws.cpp File Reference

#include "qtransportauth_qws.h"
#include "qtransportauth_qws_p.h"
#include "../../3rdparty/md5/md5.h"
#include "../../3rdparty/md5/md5.cpp"
#include "qwsutils_qws.h"
#include "qwssocket_qws.h"
#include "qwscommand_qws_p.h"
#include "qwindowsystem_qws.h"
#include "qbuffer.h"
#include "qthread.h"
#include "qabstractsocket.h"
#include "qlibraryinfo.h"
#include "qfile.h"
#include "qdebug.h"
#include <private/qcore_unix_p.h>
#include <syslog.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/file.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <QtCore/qcache.h>
#include "moc_qtransportauth_qws_p.cpp"

Go to the source code of this file.

Macros
#define	BUF_SIZE   512
#define	KEY_CACHE_SIZE   30

Functions
bool	__fileOpen (QFile *f)
Q_GUI_EXPORT void *	guaranteed_memset (void *v, int c, size_t n)
static int	hmac_md5 (unsigned char *text, int text_length, const unsigned char *key, int key_length, unsigned char *digest)

Variables
const char *const	errorStrings []

Macro Definition Documentation

BUF_SIZE

#define BUF_SIZE   512

Definition at line 75 of file qtransportauth_qws.cpp.

Referenced by QTransportAuth::authorizeRequest(), and QX11PaintEngine::drawPoints().

KEY_CACHE_SIZE

#define KEY_CACHE_SIZE   30

Definition at line 145 of file qtransportauth_qws.cpp.

Function Documentation

__fileOpen()

bool __fileOpen ( QFile *  f )

inline

Definition at line 607 of file qtransportauth_qws.cpp.

Referenced by QTransportAuthPrivate::getClientKey().

{
#ifdef QTRANSPORTAUTH_DEBUG
    if ( f->open( QIODevice::ReadOnly ))
    {
        qDebug( "Opened file: %s\n", qPrintable( f->fileName() ));
        return true;
    }
    else
    {
        qWarning( "Could not open file: %s\n", qPrintable( f->fileName() ));
        return false;
    }
#else
    return ( f->open( QIODevice::ReadOnly ));
#endif
}

guaranteed_memset()

Q_GUI_EXPORT void* guaranteed_memset	(	void *	v,
		int	c,
		size_t	n
	)

Warning

This function is not part of the public interface. memset for security purposes, guaranteed not to be optimized away http://www.faqs.org/docs/Linux-HOWTO/Secure-Programs-HOWTO.html

Definition at line 84 of file qtransportauth_qws.cpp.

{
    volatile char *p = (char *)v; while (n--) *p++=c; return v;
}

hmac_md5()

static int hmac_md5 ( unsigned char *  text, int  text_length, const unsigned char *  key, int  key_length, unsigned char *  digest  )

static

Definition at line 1466 of file qtransportauth_qws.cpp.

Referenced by QTransportAuth::authFromMessage(), QTransportAuth::authToMessage(), and guaranteed_memset().

{
        MD5Context context;
        unsigned char k_ipad[65];    /* inner padding - * key XORd with ipad */
        unsigned char k_opad[65];    /* outer padding - * key XORd with opad */
        int i;

        /* in this implementation key_length == 16 */
        if ( key_length != 16 )
        {
            fprintf( stderr, "Key length was %d - must be 16 bytes", key_length );
            return 0;
        }

        /* start out by storing key in pads */
        memset( k_ipad, 0, sizeof k_ipad );
        memset( k_opad, 0, sizeof k_opad );
        memcpy( k_ipad, key, key_length );
        memcpy( k_opad, key, key_length );

        /* XOR key with ipad and opad values */
        for (i=0; i<64; i++) {
                k_ipad[i] ^= 0x36;
                k_opad[i] ^= 0x5c;
        }

        /* perform inner MD5 */
        MD5Init(&context);                   /* init context for 1st pass */
        MD5Update(&context, k_ipad, 64);     /* start with inner pad */
        MD5Update(&context, text, text_length); /* then text of datagram */
        MD5Final(&context, digest);          /* finish up 1st pass */

        /* perform outer MD5 */
        MD5Init(&context);                   /* init context for 2nd pass */
        MD5Update(&context, k_opad, 64);     /* start with outer pad */
        MD5Update(&context, digest, 16);     /* then results of 1st * hash */
        MD5Final(&context, digest);          /* finish up 2nd pass */
        return 1;
}

Variable Documentation

errorStrings

const char* const errorStrings[]

Initial value:

= {
    "pending identity verification",
    "message too small to carry auth data",
    "cache miss on connection oriented transport",
    "no magic bytes on message",
    "key not found for prog id",
    "authorization key match failed",
    "key out of date"
}

Definition at line 147 of file qtransportauth_qws.cpp.

Referenced by QTransportAuth::errorString().