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/* @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC */

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* Redistribution and use in source and binary forms, with or without

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* modification, are permitted provided that the following conditions are met:

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* * Redistributions of source code must retain the above copyright

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* notice, this list of conditions and the following disclaimer.

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* * Redistributions in binary form must reproduce the above copyright

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* notice, this list of conditions and the following disclaimer in

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* the documentation and/or other materials provided with the

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* distribution.

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* * Neither the name of the "Oracle America, Inc." nor the names of

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* its contributors may be used to endorse or promote products

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* derived from this software without specific prior written permission.

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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED

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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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/* @(#)rpc_msg.h 1.7 86/07/16 SMI */

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* rpc_msg.h

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* rpc message definition

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#ifndef GSSRPC_RPC_MSG_H

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#define GSSRPC_RPC_MSG_H

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GSSRPC__BEGIN_DECLS

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#define RPC_MSG_VERSION ((uint32_t) 2)

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#define RPC_SERVICE_PORT ((u_short) 2048)

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* Bottom up definition of an rpc message.

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* NOTE: call and reply use the same overall stuct but

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* different parts of unions within it.

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enum msg_type {

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CALL=0,

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REPLY=1

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};

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enum reply_stat {

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MSG_ACCEPTED=0,

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MSG_DENIED=1

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};

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enum accept_stat {

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SUCCESS=0,

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PROG_UNAVAIL=1,

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PROG_MISMATCH=2,

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PROC_UNAVAIL=3,

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GARBAGE_ARGS=4,

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SYSTEM_ERR=5

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};

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enum reject_stat {

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RPC_MISMATCH=0,

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AUTH_ERROR=1

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};

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* Reply part of an rpc exchange

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* Reply to an rpc request that was accepted by the server.

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* Note: there could be an error even though the request was

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* accepted.

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struct accepted_reply {

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struct opaque_auth ar_verf;

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enum accept_stat ar_stat;

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union {

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struct {

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rpcvers_t low;

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rpcvers_t high;

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} AR_versions;

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struct {

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caddr_t where;

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xdrproc_t proc;

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} AR_results;

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/* and many other null cases */

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} ru;

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#define ar_results ru.AR_results

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#define ar_vers ru.AR_versions

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};

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* Reply to an rpc request that was rejected by the server.

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struct rejected_reply {

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enum reject_stat rj_stat;

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union {

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struct {

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rpcvers_t low;

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rpcvers_t high;

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} RJ_versions;

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enum auth_stat RJ_why; /* why authentication did not work */

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} ru;

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#define rj_vers ru.RJ_versions

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#define rj_why ru.RJ_why

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};

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* Body of a reply to an rpc request.

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struct reply_body {

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enum reply_stat rp_stat;

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union {

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struct accepted_reply RP_ar;

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struct rejected_reply RP_dr;

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} ru;

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#define rp_acpt ru.RP_ar

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#define rp_rjct ru.RP_dr

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};

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* Body of an rpc request call.

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struct call_body {

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rpcvers_t cb_rpcvers; /* must be equal to two */

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rpcprog_t cb_prog;

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rpcvers_t cb_vers;

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rpcproc_t cb_proc;

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struct opaque_auth cb_cred;

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struct opaque_auth cb_verf; /* protocol specific - provided by client */

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};

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* The rpc message

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struct rpc_msg {

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uint32_t rm_xid;

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enum msg_type rm_direction;

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union {

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struct call_body RM_cmb;

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struct reply_body RM_rmb;

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} ru;

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#define rm_call ru.RM_cmb

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#define rm_reply ru.RM_rmb

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};

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#define acpted_rply ru.RM_rmb.ru.RP_ar

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#define rjcted_rply ru.RM_rmb.ru.RP_dr

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* XDR routine to handle a rpc message.

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* xdr_callmsg(xdrs, cmsg)

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* XDR *xdrs;

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* struct rpc_msg *cmsg;

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extern bool_t xdr_callmsg(XDR *, struct rpc_msg *);

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* XDR routine to pre-serialize the static part of a rpc message.

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* xdr_callhdr(xdrs, cmsg)

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* XDR *xdrs;

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* struct rpc_msg *cmsg;

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extern bool_t xdr_callhdr(XDR *, struct rpc_msg *);

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* XDR routine to handle a rpc reply.

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* xdr_replymsg(xdrs, rmsg)

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* XDR *xdrs;

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* struct rpc_msg *rmsg;

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extern bool_t xdr_replymsg(XDR *, struct rpc_msg *);

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* Fills in the error part of a reply message.

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* _seterr_reply(msg, error)

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* struct rpc_msg *msg;

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* struct rpc_err *error;

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* RENAMED: should be _seterr_reply or __seterr_reply if we can use

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* reserved namespace.

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extern void gssrpc__seterr_reply(struct rpc_msg *, struct rpc_err *);

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/* XDR the MSG_ACCEPTED part of a reply message union */

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extern bool_t xdr_accepted_reply(XDR *, struct accepted_reply *);

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/* XDR the MSG_DENIED part of a reply message union */

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extern bool_t xdr_rejected_reply(XDR *, struct rejected_reply *);

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GSSRPC__END_DECLS

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#endif /* !defined(GSSRPC_RPC_MSG_H) */

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