/*
|
/*
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
* unrestricted use provided that this legend is included on all tape
|
* unrestricted use provided that this legend is included on all tape
|
* media and as a part of the software program in whole or part. Users
|
* media and as a part of the software program in whole or part. Users
|
* may copy or modify Sun RPC without charge, but are not authorized
|
* may copy or modify Sun RPC without charge, but are not authorized
|
* to license or distribute it to anyone else except as part of a product or
|
* to license or distribute it to anyone else except as part of a product or
|
* program developed by the user.
|
* program developed by the user.
|
*
|
*
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
*
|
*
|
* Sun RPC is provided with no support and without any obligation on the
|
* Sun RPC is provided with no support and without any obligation on the
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
* modification or enhancement.
|
* modification or enhancement.
|
*
|
*
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
* OR ANY PART THEREOF.
|
* OR ANY PART THEREOF.
|
*
|
*
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
* or profits or other special, indirect and consequential damages, even if
|
* or profits or other special, indirect and consequential damages, even if
|
* Sun has been advised of the possibility of such damages.
|
* Sun has been advised of the possibility of such damages.
|
*
|
*
|
* Sun Microsystems, Inc.
|
* Sun Microsystems, Inc.
|
* 2550 Garcia Avenue
|
* 2550 Garcia Avenue
|
* Mountain View, California 94043
|
* Mountain View, California 94043
|
*/
|
*/
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
#if defined(LIBC_SCCS) && !defined(lint)
|
/*static char *sccsid = "from: @(#)rpc_prot.c 1.36 87/08/11 Copyr 1984 Sun Micro";*/
|
/*static char *sccsid = "from: @(#)rpc_prot.c 1.36 87/08/11 Copyr 1984 Sun Micro";*/
|
/*static char *sccsid = "from: @(#)rpc_prot.c 2.3 88/08/07 4.0 RPCSRC";*/
|
/*static char *sccsid = "from: @(#)rpc_prot.c 2.3 88/08/07 4.0 RPCSRC";*/
|
static char *rcsid = "$FreeBSD: src/lib/libc/rpc/rpc_prot.c,v 1.8 1999/08/28 00:00:46 peter Exp $";
|
static char *rcsid = "$FreeBSD: src/lib/libc/rpc/rpc_prot.c,v 1.8 1999/08/28 00:00:46 peter Exp $";
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* rpc_prot.c
|
* rpc_prot.c
|
*
|
*
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
*
|
*
|
* This set of routines implements the rpc message definition,
|
* This set of routines implements the rpc message definition,
|
* its serializer and some common rpc utility routines.
|
* its serializer and some common rpc utility routines.
|
* The routines are meant for various implementations of rpc -
|
* The routines are meant for various implementations of rpc -
|
* they are NOT for the rpc client or rpc service implementations!
|
* they are NOT for the rpc client or rpc service implementations!
|
* Because authentication stuff is easy and is part of rpc, the opaque
|
* Because authentication stuff is easy and is part of rpc, the opaque
|
* routines are also in this program.
|
* routines are also in this program.
|
*/
|
*/
|
|
|
#include <sys/param.h>
|
#include <sys/param.h>
|
|
|
#include <rpc/rpc.h>
|
#include <rpc/rpc.h>
|
|
|
/* * * * * * * * * * * * * * XDR Authentication * * * * * * * * * * * */
|
/* * * * * * * * * * * * * * XDR Authentication * * * * * * * * * * * */
|
|
|
struct opaque_auth _null_auth;
|
struct opaque_auth _null_auth;
|
|
|
/*
|
/*
|
* XDR an opaque authentication struct
|
* XDR an opaque authentication struct
|
* (see auth.h)
|
* (see auth.h)
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_opaque_auth(xdrs, ap)
|
xdr_opaque_auth(xdrs, ap)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register struct opaque_auth *ap;
|
register struct opaque_auth *ap;
|
{
|
{
|
|
|
if (xdr_enum(xdrs, &(ap->oa_flavor)))
|
if (xdr_enum(xdrs, &(ap->oa_flavor)))
|
return (xdr_bytes(xdrs, &ap->oa_base,
|
return (xdr_bytes(xdrs, &ap->oa_base,
|
&ap->oa_length, MAX_AUTH_BYTES));
|
&ap->oa_length, MAX_AUTH_BYTES));
|
return (FALSE);
|
return (FALSE);
|
}
|
}
|
|
|
/*
|
/*
|
* XDR a DES block
|
* XDR a DES block
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_des_block(xdrs, blkp)
|
xdr_des_block(xdrs, blkp)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register des_block *blkp;
|
register des_block *blkp;
|
{
|
{
|
return (xdr_opaque(xdrs, (caddr_t)blkp, sizeof(des_block)));
|
return (xdr_opaque(xdrs, (caddr_t)blkp, sizeof(des_block)));
|
}
|
}
|
|
|
/* * * * * * * * * * * * * * XDR RPC MESSAGE * * * * * * * * * * * * * * * */
|
/* * * * * * * * * * * * * * XDR RPC MESSAGE * * * * * * * * * * * * * * * */
|
|
|
/*
|
/*
|
* XDR the MSG_ACCEPTED part of a reply message union
|
* XDR the MSG_ACCEPTED part of a reply message union
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_accepted_reply(xdrs, ar)
|
xdr_accepted_reply(xdrs, ar)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register struct accepted_reply *ar;
|
register struct accepted_reply *ar;
|
{
|
{
|
|
|
/* personalized union, rather than calling xdr_union */
|
/* personalized union, rather than calling xdr_union */
|
if (! xdr_opaque_auth(xdrs, &(ar->ar_verf)))
|
if (! xdr_opaque_auth(xdrs, &(ar->ar_verf)))
|
return (FALSE);
|
return (FALSE);
|
if (! xdr_enum(xdrs, (enum_t *)&(ar->ar_stat)))
|
if (! xdr_enum(xdrs, (enum_t *)&(ar->ar_stat)))
|
return (FALSE);
|
return (FALSE);
|
switch (ar->ar_stat) {
|
switch (ar->ar_stat) {
|
|
|
case SUCCESS:
|
case SUCCESS:
|
return ((*(ar->ar_results.proc))(xdrs, ar->ar_results.where));
|
return ((*(ar->ar_results.proc))(xdrs, ar->ar_results.where));
|
|
|
case PROG_MISMATCH:
|
case PROG_MISMATCH:
|
if (! xdr_u_int32_t(xdrs, &(ar->ar_vers.low)))
|
if (! xdr_u_int32_t(xdrs, &(ar->ar_vers.low)))
|
return (FALSE);
|
return (FALSE);
|
return (xdr_u_int32_t(xdrs, &(ar->ar_vers.high)));
|
return (xdr_u_int32_t(xdrs, &(ar->ar_vers.high)));
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
return (TRUE); /* TRUE => open ended set of problems */
|
return (TRUE); /* TRUE => open ended set of problems */
|
}
|
}
|
|
|
/*
|
/*
|
* XDR the MSG_DENIED part of a reply message union
|
* XDR the MSG_DENIED part of a reply message union
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_rejected_reply(xdrs, rr)
|
xdr_rejected_reply(xdrs, rr)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register struct rejected_reply *rr;
|
register struct rejected_reply *rr;
|
{
|
{
|
|
|
/* personalized union, rather than calling xdr_union */
|
/* personalized union, rather than calling xdr_union */
|
if (! xdr_enum(xdrs, (enum_t *)&(rr->rj_stat)))
|
if (! xdr_enum(xdrs, (enum_t *)&(rr->rj_stat)))
|
return (FALSE);
|
return (FALSE);
|
switch (rr->rj_stat) {
|
switch (rr->rj_stat) {
|
|
|
case RPC_MISMATCH:
|
case RPC_MISMATCH:
|
if (! xdr_u_int32_t(xdrs, &(rr->rj_vers.low)))
|
if (! xdr_u_int32_t(xdrs, &(rr->rj_vers.low)))
|
return (FALSE);
|
return (FALSE);
|
return (xdr_u_int32_t(xdrs, &(rr->rj_vers.high)));
|
return (xdr_u_int32_t(xdrs, &(rr->rj_vers.high)));
|
|
|
case AUTH_ERROR:
|
case AUTH_ERROR:
|
return (xdr_enum(xdrs, (enum_t *)&(rr->rj_why)));
|
return (xdr_enum(xdrs, (enum_t *)&(rr->rj_why)));
|
}
|
}
|
return (FALSE);
|
return (FALSE);
|
}
|
}
|
|
|
static struct xdr_discrim reply_dscrm[3] = {
|
static struct xdr_discrim reply_dscrm[3] = {
|
{ (int)MSG_ACCEPTED, xdr_accepted_reply },
|
{ (int)MSG_ACCEPTED, xdr_accepted_reply },
|
{ (int)MSG_DENIED, xdr_rejected_reply },
|
{ (int)MSG_DENIED, xdr_rejected_reply },
|
{ __dontcare__, NULL_xdrproc_t } };
|
{ __dontcare__, NULL_xdrproc_t } };
|
|
|
/*
|
/*
|
* XDR a reply message
|
* XDR a reply message
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_replymsg(xdrs, rmsg)
|
xdr_replymsg(xdrs, rmsg)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register struct rpc_msg *rmsg;
|
register struct rpc_msg *rmsg;
|
{
|
{
|
if (
|
if (
|
xdr_u_int32_t(xdrs, &(rmsg->rm_xid)) &&
|
xdr_u_int32_t(xdrs, &(rmsg->rm_xid)) &&
|
xdr_enum(xdrs, (enum_t *)&(rmsg->rm_direction)) &&
|
xdr_enum(xdrs, (enum_t *)&(rmsg->rm_direction)) &&
|
(rmsg->rm_direction == REPLY) )
|
(rmsg->rm_direction == REPLY) )
|
return (xdr_union(xdrs, (enum_t *)&(rmsg->rm_reply.rp_stat),
|
return (xdr_union(xdrs, (enum_t *)&(rmsg->rm_reply.rp_stat),
|
(caddr_t)&(rmsg->rm_reply.ru), reply_dscrm, NULL_xdrproc_t));
|
(caddr_t)&(rmsg->rm_reply.ru), reply_dscrm, NULL_xdrproc_t));
|
return (FALSE);
|
return (FALSE);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Serializes the "static part" of a call message header.
|
* Serializes the "static part" of a call message header.
|
* The fields include: rm_xid, rm_direction, rpcvers, prog, and vers.
|
* The fields include: rm_xid, rm_direction, rpcvers, prog, and vers.
|
* The rm_xid is not really static, but the user can easily munge on the fly.
|
* The rm_xid is not really static, but the user can easily munge on the fly.
|
*/
|
*/
|
bool_t
|
bool_t
|
xdr_callhdr(xdrs, cmsg)
|
xdr_callhdr(xdrs, cmsg)
|
register XDR *xdrs;
|
register XDR *xdrs;
|
register struct rpc_msg *cmsg;
|
register struct rpc_msg *cmsg;
|
{
|
{
|
|
|
cmsg->rm_direction = CALL;
|
cmsg->rm_direction = CALL;
|
cmsg->rm_call.cb_rpcvers = RPC_MSG_VERSION;
|
cmsg->rm_call.cb_rpcvers = RPC_MSG_VERSION;
|
if (
|
if (
|
(xdrs->x_op == XDR_ENCODE) &&
|
(xdrs->x_op == XDR_ENCODE) &&
|
xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
|
xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
|
xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
|
xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
|
xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
|
xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
|
xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) )
|
xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) )
|
return (xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)));
|
return (xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)));
|
return (FALSE);
|
return (FALSE);
|
}
|
}
|
|
|
/* ************************** Client utility routine ************* */
|
/* ************************** Client utility routine ************* */
|
|
|
static void
|
static void
|
accepted(acpt_stat, error)
|
accepted(acpt_stat, error)
|
register enum accept_stat acpt_stat;
|
register enum accept_stat acpt_stat;
|
register struct rpc_err *error;
|
register struct rpc_err *error;
|
{
|
{
|
|
|
switch (acpt_stat) {
|
switch (acpt_stat) {
|
|
|
case PROG_UNAVAIL:
|
case PROG_UNAVAIL:
|
error->re_status = RPC_PROGUNAVAIL;
|
error->re_status = RPC_PROGUNAVAIL;
|
return;
|
return;
|
|
|
case PROG_MISMATCH:
|
case PROG_MISMATCH:
|
error->re_status = RPC_PROGVERSMISMATCH;
|
error->re_status = RPC_PROGVERSMISMATCH;
|
return;
|
return;
|
|
|
case PROC_UNAVAIL:
|
case PROC_UNAVAIL:
|
error->re_status = RPC_PROCUNAVAIL;
|
error->re_status = RPC_PROCUNAVAIL;
|
return;
|
return;
|
|
|
case GARBAGE_ARGS:
|
case GARBAGE_ARGS:
|
error->re_status = RPC_CANTDECODEARGS;
|
error->re_status = RPC_CANTDECODEARGS;
|
return;
|
return;
|
|
|
case SYSTEM_ERR:
|
case SYSTEM_ERR:
|
error->re_status = RPC_SYSTEMERROR;
|
error->re_status = RPC_SYSTEMERROR;
|
return;
|
return;
|
|
|
case SUCCESS:
|
case SUCCESS:
|
error->re_status = RPC_SUCCESS;
|
error->re_status = RPC_SUCCESS;
|
return;
|
return;
|
}
|
}
|
/* something's wrong, but we don't know what ... */
|
/* something's wrong, but we don't know what ... */
|
error->re_status = RPC_FAILED;
|
error->re_status = RPC_FAILED;
|
error->re_lb.s1 = (long)MSG_ACCEPTED;
|
error->re_lb.s1 = (long)MSG_ACCEPTED;
|
error->re_lb.s2 = (long)acpt_stat;
|
error->re_lb.s2 = (long)acpt_stat;
|
}
|
}
|
|
|
static void
|
static void
|
rejected(rjct_stat, error)
|
rejected(rjct_stat, error)
|
register enum reject_stat rjct_stat;
|
register enum reject_stat rjct_stat;
|
register struct rpc_err *error;
|
register struct rpc_err *error;
|
{
|
{
|
|
|
switch (rjct_stat) {
|
switch (rjct_stat) {
|
|
|
case RPC_VERSMISMATCH:
|
case RPC_VERSMISMATCH:
|
error->re_status = RPC_VERSMISMATCH;
|
error->re_status = RPC_VERSMISMATCH;
|
return;
|
return;
|
|
|
case AUTH_ERROR:
|
case AUTH_ERROR:
|
error->re_status = RPC_AUTHERROR;
|
error->re_status = RPC_AUTHERROR;
|
return;
|
return;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
/* something's wrong, but we don't know what ... */
|
/* something's wrong, but we don't know what ... */
|
error->re_status = RPC_FAILED;
|
error->re_status = RPC_FAILED;
|
error->re_lb.s1 = (long)MSG_DENIED;
|
error->re_lb.s1 = (long)MSG_DENIED;
|
error->re_lb.s2 = (long)rjct_stat;
|
error->re_lb.s2 = (long)rjct_stat;
|
}
|
}
|
|
|
/*
|
/*
|
* given a reply message, fills in the error
|
* given a reply message, fills in the error
|
*/
|
*/
|
void
|
void
|
_seterr_reply(msg, error)
|
_seterr_reply(msg, error)
|
register struct rpc_msg *msg;
|
register struct rpc_msg *msg;
|
register struct rpc_err *error;
|
register struct rpc_err *error;
|
{
|
{
|
|
|
/* optimized for normal, SUCCESSful case */
|
/* optimized for normal, SUCCESSful case */
|
switch (msg->rm_reply.rp_stat) {
|
switch (msg->rm_reply.rp_stat) {
|
|
|
case MSG_ACCEPTED:
|
case MSG_ACCEPTED:
|
if (msg->acpted_rply.ar_stat == SUCCESS) {
|
if (msg->acpted_rply.ar_stat == SUCCESS) {
|
error->re_status = RPC_SUCCESS;
|
error->re_status = RPC_SUCCESS;
|
return;
|
return;
|
};
|
};
|
accepted(msg->acpted_rply.ar_stat, error);
|
accepted(msg->acpted_rply.ar_stat, error);
|
break;
|
break;
|
|
|
case MSG_DENIED:
|
case MSG_DENIED:
|
rejected(msg->rjcted_rply.rj_stat, error);
|
rejected(msg->rjcted_rply.rj_stat, error);
|
break;
|
break;
|
|
|
default:
|
default:
|
error->re_status = RPC_FAILED;
|
error->re_status = RPC_FAILED;
|
error->re_lb.s1 = (long)(msg->rm_reply.rp_stat);
|
error->re_lb.s1 = (long)(msg->rm_reply.rp_stat);
|
break;
|
break;
|
}
|
}
|
switch (error->re_status) {
|
switch (error->re_status) {
|
|
|
case RPC_VERSMISMATCH:
|
case RPC_VERSMISMATCH:
|
error->re_vers.low = msg->rjcted_rply.rj_vers.low;
|
error->re_vers.low = msg->rjcted_rply.rj_vers.low;
|
error->re_vers.high = msg->rjcted_rply.rj_vers.high;
|
error->re_vers.high = msg->rjcted_rply.rj_vers.high;
|
break;
|
break;
|
|
|
case RPC_AUTHERROR:
|
case RPC_AUTHERROR:
|
error->re_why = msg->rjcted_rply.rj_why;
|
error->re_why = msg->rjcted_rply.rj_why;
|
break;
|
break;
|
|
|
case RPC_PROGVERSMISMATCH:
|
case RPC_PROGVERSMISMATCH:
|
error->re_vers.low = msg->acpted_rply.ar_vers.low;
|
error->re_vers.low = msg->acpted_rply.ar_vers.low;
|
error->re_vers.high = msg->acpted_rply.ar_vers.high;
|
error->re_vers.high = msg->acpted_rply.ar_vers.high;
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
