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eAão\Å£Åƒ}ÆÚÃÈÇ %¶    /* @(#)clnt.h	2.1 88/07/29 4.0 RPCSRC; from 1.31 88/02/08 SMI*/
/*
 * Copyright (c) 2010, Oracle America, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 *     * Neither the name of the "Oracle America, Inc." nor the names of
 *       its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * clnt.h - Client side remote procedure call interface.
 */

#ifndef GSSRPC_CLNT_H
#define GSSRPC_CLNT_H

GSSRPC__BEGIN_DECLS
/*
 * Rpc calls return an enum clnt_stat.  This should be looked at more,
 * since each implementation is required to live with this (implementation
 * independent) list of errors.
 */
enum clnt_stat {
	RPC_SUCCESS=0,			/* call succeeded */
	/*
	 * local errors
	 */
	RPC_CANTENCODEARGS=1,		/* can't encode arguments */
	RPC_CANTDECODERES=2,		/* can't decode results */
	RPC_CANTSEND=3,			/* failure in sending call */
	RPC_CANTRECV=4,			/* failure in receiving result */
	RPC_TIMEDOUT=5,			/* call timed out */
	/*
	 * remote errors
	 */
	RPC_VERSMISMATCH=6,		/* rpc versions not compatible */
	RPC_AUTHERROR=7,		/* authentication error */
	RPC_PROGUNAVAIL=8,		/* program not available */
	RPC_PROGVERSMISMATCH=9,		/* program version mismatched */
	RPC_PROCUNAVAIL=10,		/* procedure unavailable */
	RPC_CANTDECODEARGS=11,		/* decode arguments error */
	RPC_SYSTEMERROR=12,		/* generic "other problem" */

	/*
	 * callrpc & clnt_create errors
	 */
	RPC_UNKNOWNHOST=13,		/* unknown host name */
	RPC_UNKNOWNPROTO=17,		/* unknown protocol */

	/*
	 * _ create errors
	 */
	RPC_PMAPFAILURE=14,		/* the pmapper failed in its call */
	RPC_PROGNOTREGISTERED=15,	/* remote program is not registered */
	/*
	 * unspecified error
	 */
	RPC_FAILED=16
};


/*
 * Error info.
 */
struct rpc_err {
	enum clnt_stat re_status;
	union {
		int RE_errno;		/* realated system error */
		enum auth_stat RE_why;	/* why the auth error occurred */
		struct {
			rpcvers_t low;	/* lowest version supported */
			rpcvers_t high;	/* highest version supported */
		} RE_vers;
		struct {		/* maybe meaningful if RPC_FAILED */
			int32_t s1;
			int32_t s2;
		} RE_lb;		/* life boot & debugging only */
	} ru;
#define	re_errno	ru.RE_errno
#define	re_why		ru.RE_why
#define	re_vers		ru.RE_vers
#define	re_lb		ru.RE_lb
};


/*
 * Client rpc handle.
 * Created by individual implementations, see e.g. rpc_udp.c.
 * Client is responsible for initializing auth, see e.g. auth_none.c.
 */
typedef struct CLIENT {
	AUTH	*cl_auth;			/* authenticator