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/*
* Portability wrapper around <gssapi.h>.
*
* This header tries to encapsulate the differences between the MIT and
* Heimdal GSS-API implementations and the differences between various
* versions.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Written by Russ Allbery <eagle@eyrie.org>
*
* The authors hereby relinquish any claim to any copyright that they may have
* in this work, whether granted under contract or by operation of law or
* international treaty, and hereby commit to the public, at large, that they
* shall not, at any time in the future, seek to enforce any copyright in this
* work against any person or entity, or prevent any person or entity from
* copying, publishing, distributing or creating derivative works of this
* work.
*/
#ifndef PORTABLE_GSSAPI_H
#define PORTABLE_GSSAPI_H 1
#include <config.h>
#include <portable/system.h>
#ifdef HAVE_GSSAPI_GSSAPI_H
# include <gssapi/gssapi.h>
#else
# include <gssapi.h>
#endif
#ifdef HAVE_GSSAPI_GSSAPI_KRB5_H
# include <gssapi/gssapi_krb5.h>
#endif
/* Handle compatibility to older versions of MIT Kerberos. */
#ifndef HAVE_GSS_RFC_OIDS
# include <gssapi/gssapi_generic.h>
# define GSS_C_NT_USER_NAME gss_nt_user_name
# define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
#endif
/*
* Heimdal provides a nice #define for this. Sun, on the other hand,
* provides no standard define at all, so configure has to add gssapi-mech.c
* to the build and we declare the external symbol that will point to a
* hard-coded GSS-API OID struct.
*/
#if !HAVE_DECL_GSS_KRB5_MECHANISM
# if !HAVE_DECL_GSS_MECH_KRB5
extern const gss_OID_desc * const gss_mech_krb5;
# endif
# define GSS_KRB5_MECHANISM gss_mech_krb5
#endif
/*
* Older versions of Heimdal are missing gss_oid_equal. Replace with an
* expression to check the struct members directly.
*/
#ifndef HAVE_GSS_OID_EQUAL
# define gss_oid_equal(x, y) \
((x)->length == (y)->length && \
memcmp((x)->elements, (y)->elements, (x)->length) == 0)
#endif
#endif /* PORTABLE_GSSAPI_H */
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