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      1 /*	$NetBSD: gssapi.h,v 1.4 2006/09/09 16:22:09 manu Exp $	*/
      2 
      3 /* Id: gssapi.h,v 1.5 2005/02/11 06:59:01 manubsd Exp */
      4 
      5 /*
      6  * Copyright 2000 Wasabi Systems, Inc.
      7  * All rights reserved.
      8  *
      9  * This software was written by Frank van der Linden of Wasabi Systems
     10  * for Zembu Labs, Inc. http://www.zembu.com/
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. The name of Wasabi Systems, Inc. may not be used to endorse
     21  *    or promote products derived from this software without specific prior
     22  *    written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #ifdef __FreeBSD__
     38 #include "/usr/include/gssapi.h"
     39 #else
     40 #include <gssapi/gssapi.h>
     41 #endif
     42 
     43 #define GSSAPI_DEF_NAME         "host"
     44 
     45 struct ph1handle;
     46 struct isakmpsa;
     47 
     48 struct gssapi_ph1_state {
     49 	int gsscnt;			/* # of token we're working on */
     50 	int gsscnt_p;			/* # of token we're working on */
     51 
     52 	gss_buffer_desc gss[3];		/* gss-api tokens. */
     53 					/* NOTE: XXX this restricts the max # */
     54 					/* to 3. More should never happen */
     55 
     56 	gss_buffer_desc gss_p[3];
     57 
     58 	gss_ctx_id_t gss_context;	/* context for gss_init_sec_context */
     59 
     60 	OM_uint32 gss_status;		/* retval from gss_init_sec_context */
     61 	gss_cred_id_t gss_cred;		/* acquired credentials */
     62 
     63 	int gss_flags;
     64 #define GSSFLAG_ID_SENT		0x0001
     65 #define GSSFLAG_ID_RCVD		0x0001
     66 };
     67 
     68 #define	gssapi_get_state(ph)						\
     69 	((struct gssapi_ph1_state *)((ph)->gssapi_state))
     70 
     71 #define	gssapi_set_state(ph, st)					\
     72 	(ph)->gssapi_state = (st)
     73 
     74 #define	gssapi_more_tokens(ph)						\
     75 	((gssapi_get_state(ph)->gss_status & GSS_S_CONTINUE_NEEDED) != 0)
     76 
     77 int gssapi_get_itoken __P((struct ph1handle *, int *));
     78 int gssapi_get_rtoken __P((struct ph1handle *, int *));
     79 int gssapi_save_received_token __P((struct ph1handle *, vchar_t *));
     80 int gssapi_get_token_to_send __P((struct ph1handle *, vchar_t **));
     81 int gssapi_get_itokens __P((struct ph1handle *, vchar_t **));
     82 int gssapi_get_rtokens __P((struct ph1handle *, vchar_t **));
     83 vchar_t *gssapi_wraphash __P((struct ph1handle *));
     84 vchar_t *gssapi_unwraphash __P((struct ph1handle *));
     85 void gssapi_set_id_sent __P((struct ph1handle *));
     86 int gssapi_id_sent __P((struct ph1handle *));
     87 void gssapi_set_id_rcvd __P((struct ph1handle *));
     88 int gssapi_id_rcvd __P((struct ph1handle *));
     89 void gssapi_free_state __P((struct ph1handle *));
     90 vchar_t *gssapi_get_id __P((struct ph1handle *));
     91 vchar_t *gssapi_get_default_gss_id __P((void));
     92