usr/src/uts/common/rpc/svc_auth.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
  27 /* All Rights Reserved */
  28 /*
  29  * Portions of this source code were derived from Berkeley
  30  * 4.3 BSD under license from the Regents of the University of
  31  * California.
  32  */
  33
  34 #ifndef _RPC_SVC_AUTH_H
  35 #define _RPC_SVC_AUTH_H
  36
  37 #pragma ident   "%Z%%M% %I%     %E% SMI"
  38
  39 /*
  40  * svc_auth.h, Service side of rpc authentication.
  41  */
  42 #include <rpc/rpcsec_gss.h>
  43 #include <rpc/rpc_msg.h>
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /*
  50  * Server side authenticator
  51  */
  52 #ifdef _KERNEL
  53 /*
  54  * Copy of GSS parameters, needed for MT operation
  55  */
  56 typedef struct {
  57         bool_t                  established;
  58         rpc_gss_service_t       service;
  59         uint_t                  qop_rcvd;
  60         void                    *context;
  61         uint_t                  seq_num;
  62 } svc_rpc_gss_parms_t;
  63
  64 /*
  65  * sec_svc_control() commands
  66  */
  67 #define RPC_SVC_SET_GSS_CALLBACK        1  /* set rpcsec_gss callback routine */
  68 extern bool_t sec_svc_control();
  69
  70 /*
  71  * Interface to server-side authentication flavors, may change on
  72  * each request.
  73  */
  74 typedef struct {
  75         struct svc_auth_ops {
  76                 int             (*svc_ah_wrap)();
  77                 int             (*svc_ah_unwrap)();
  78         } svc_ah_ops;
  79         caddr_t                 svc_ah_private;
  80         svc_rpc_gss_parms_t     svc_gss_parms;
  81         rpc_gss_rawcred_t       raw_cred;
  82 } SVCAUTH;
  83
  84 #define SVCAUTH_GSSPARMS(auth)  ((svc_rpc_gss_parms_t *)&(auth)->svc_gss_parms)
  85
  86 /*
  87  * Auth flavors can now apply a transformation in addition to simple XDR
  88  * on the body of a call/response in ways that depend on the flavor being
  89  * used.  These interfaces provide a generic interface between the
  90  * internal RPC frame and the auth flavor specific code to allow the
  91  * auth flavor to encode (WRAP) or decode (UNWRAP) the body.
  92  */
  93 #define SVCAUTH_WRAP(auth, xdrs, xfunc, xwhere) \
  94         ((*((auth)->svc_ah_ops.svc_ah_wrap))(auth, xdrs, xfunc, xwhere))
  95 #define SVCAUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \
  96         ((*((auth)->svc_ah_ops.svc_ah_unwrap))(auth, xdrs, xfunc, xwhere))
  97
  98 /*
  99  * Server side authenticator
 100  */
 101 #ifdef __STDC__
 102 extern enum auth_stat sec_svc_msg(struct svc_req *, struct rpc_msg *,
 103                                 bool_t *);
 104 #else
 105 extern enum auth_stat sec_svc_msg();
 106 #endif /* __STDC__ */
 107
 108 #else
 109
 110 #ifdef __STDC__
 111 extern enum auth_stat __gss_authenticate(struct svc_req *, struct rpc_msg *,
 112                                 bool_t *);
 113 extern enum auth_stat __authenticate(struct svc_req *, struct rpc_msg *);
 114 #else
 115 extern enum auth_stat __gss_authenticate();
 116 extern enum auth_stat __authenticate();
 117 #endif /* __STDC__ */
 118
 119 #endif /* _KERNEL */
 120
 121 #ifdef __cplusplus
 122 }
 123 #endif
 124
 125 #endif  /* _RPC_SVC_AUTH_H */