/* @(#)rpc_callmsg.c	2.1 88/07/29 4.0 RPCSRC *//* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * 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 * 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 * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * 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 * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California  94043 */#if 0static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";#endif/* * rpc_callmsg.c * * Copyright (C) 1984, Sun Microsystems, Inc. * */#define __FORCE_GLIBC#include <features.h>#include <string.h>#include <sys/param.h>#include <rpc/rpc.h>/* * XDR a call message */bool_txdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg){  int32_t *buf;  struct opaque_auth *oa;  if (xdrs->x_op == XDR_ENCODE)    {      if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES)	{	  return (FALSE);	}      if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES)	{	  return (FALSE);	}      buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT			+ RNDUP (cmsg->rm_call.cb_cred.oa_length)			+ 2 * BYTES_PER_XDR_UNIT			+ RNDUP (cmsg->rm_call.cb_verf.oa_length));      if (buf != NULL)	{	  IXDR_PUT_LONG (buf, cmsg->rm_xid);	  IXDR_PUT_ENUM (buf, cmsg->rm_direction);	  if (cmsg->rm_direction != CALL)	    return FALSE;	  IXDR_PUT_LONG (buf, cmsg->rm_call.cb_rpcvers);	  if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)	    return FALSE;	  IXDR_PUT_LONG (buf, cmsg->rm_call.cb_prog);	  IXDR_PUT_LONG (buf, cmsg->rm_call.cb_vers);	  IXDR_PUT_LONG (buf, cmsg->rm_call.cb_proc);	  oa = &cmsg->rm_call.cb_cred;	  IXDR_PUT_ENUM (buf, oa->oa_flavor);	  IXDR_PUT_INT32 (buf, oa->oa_length);	  if (oa->oa_length)	    {	      memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);	      buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length));	    }	  oa = &cmsg->rm_call.cb_verf;	  IXDR_PUT_ENUM (buf, oa->oa_flavor);	  IXDR_PUT_INT32 (buf, oa->oa_length);	  if (oa->oa_length)	    {	      memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);	      /* no real need....	         buf = (long *) ((char *) buf + RNDUP(oa->oa_length));	       */	    }	  return TRUE;	}    }  if (xdrs->x_op == XDR_DECODE)    {      buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT);      if (buf != NULL)	{	  cmsg->rm_xid = IXDR_GET_LONG (buf);	  cmsg->rm_direction = IXDR_GET_ENUM (buf, enum msg_type);	  if (cmsg->rm_direction != CALL)	    {	      return FALSE;	    }	  cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG (buf);	  if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)	    {	      return FALSE;	    }	  cmsg->rm_call.cb_prog = IXDR_GET_LONG (buf);	  cmsg->rm_call.cb_vers = IXDR_GET_LONG (buf);	  cmsg->rm_call.cb_proc = IXDR_GET_LONG (buf);	  oa = &cmsg->rm_call.cb_cred;	  oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);	  oa->oa_length = IXDR_GET_INT32 (buf);	  if (oa->oa_length)	    {	      if (oa->oa_length > MAX_AUTH_BYTES)		return FALSE;	      if (oa->oa_base == NULL)		{		  oa->oa_base = (caddr_t)		    mem_alloc (oa->oa_length);		}	      buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));	      if (buf == NULL)		{		  if (xdr_opaque (xdrs, oa->oa_base,				  oa->oa_length) == FALSE)		    return FALSE;		}	      else		{		  memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);		  /* no real need....		     buf = (long *) ((char *) buf		     + RNDUP(oa->oa_length));		   */		}	    }	  oa = &cmsg->rm_call.cb_verf;	  buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT);	  if (buf == NULL)	    {	      if (xdr_enum (xdrs, &oa->oa_flavor) == FALSE ||		  xdr_u_int (xdrs, &oa->oa_length) == FALSE)		{		  return FALSE;		}	    }	  else	    {	      oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);	      oa->oa_length = IXDR_GET_INT32 (buf);	    }	  if (oa->oa_length)	    {	      if (oa->oa_length > MAX_AUTH_BYTES)		return FALSE;	      if (oa->oa_base == NULL)		{		  oa->oa_base = (caddr_t)		    mem_alloc (oa->oa_length);		}	      buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));	      if (buf == NULL)		{		  if (xdr_opaque (xdrs, oa->oa_base,				  oa->oa_length) == FALSE)		    return FALSE;		}	      else		{		  memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);		  /* no real need...		     buf = (long *) ((char *) buf		     + RNDUP(oa->oa_length));		   */		}	    }	  return TRUE;	}    }  if (       xdr_u_long (xdrs, &(cmsg->rm_xid)) &&       xdr_enum (xdrs, (enum_t *) & (cmsg->rm_direction)) &&       (cmsg->rm_direction == CALL) &&       xdr_u_long (xdrs, &(cmsg->rm_call.cb_rpcvers)) &&       (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&       xdr_u_long (xdrs, &(cmsg->rm_call.cb_prog)) &&       xdr_u_long (xdrs, &(cmsg->rm_call.cb_vers)) &&       xdr_u_long (xdrs, &(cmsg->rm_call.cb_proc)) &&       xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_cred)))    return xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_verf));  return FALSE;}