windows-xp/Source/XPSP1/NT/ds/security/protocols/kerberos/client2/gssapip.h

/*
 * Copyright 1993 by OpenVision Technologies, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appears in all copies and
 * that both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of OpenVision not be used
 * in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission. OpenVision makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef __GSSAPIP_H__
#define __GSSAPIP_H__

#include "gssapi.h"


/** helper macros **/

#define g_OID_equal(o1,o2) \
   (((o1)->length == (o2)->length) && \
    (memcmp((o1)->elements,(o2)->elements,(int) (o1)->length) == 0))

#define TWRITE_STR(ptr, str, len) \
   memcpy((ptr), (char *) (str), (len)); \
   (ptr) += (len);


/** helper functions **/

int
g_token_size(
    gss_OID      mech,
    unsigned int body_size
    );

void
g_make_token_header(
    gss_OID         mech,
    int             body_size,
    unsigned char **buf,
    int             tok_type
    );

int
g_verify_token_header(
    gss_OID         mech,
    int            *body_size,
    unsigned char **buf,
    int             tok_type,
    int             toksize
    );

int
der_read_length(
     unsigned char **buf,
     int *bufsize
     );

#endif /* __GSSAPIP_H__ */