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-rw-r--r--sunrpc/rpc_cmsg.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/sunrpc/rpc_cmsg.c b/sunrpc/rpc_cmsg.c
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+++ b/sunrpc/rpc_cmsg.c
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+/* @(#)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 !defined(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
+#endif
+
+/*
+ * rpc_callmsg.c
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ *
+ */
+
+#include <sys/param.h>
+
+#include <rpc/rpc.h>
+
+/*
+ * XDR a call message
+ */
+bool_t
+xdr_callmsg(xdrs, cmsg)
+ register XDR *xdrs;
+ register struct rpc_msg *cmsg;
+{
+ register long *buf;
+ register 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_LONG(buf, oa->oa_length);
+ if (oa->oa_length) {
+ bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
+ buf += RNDUP(oa->oa_length) / sizeof (long);
+ }
+ oa = &cmsg->rm_call.cb_verf;
+ IXDR_PUT_ENUM(buf, oa->oa_flavor);
+ IXDR_PUT_LONG(buf, oa->oa_length);
+ if (oa->oa_length) {
+ bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
+ /* no real need....
+ buf += RNDUP(oa->oa_length) / sizeof (long);
+ */
+ }
+ 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_LONG(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 {
+ bcopy((caddr_t)buf, oa->oa_base,
+ oa->oa_length);
+ /* no real need....
+ buf += RNDUP(oa->oa_length) /
+ sizeof (long);
+ */
+ }
+ }
+ 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_LONG(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 {
+ bcopy((caddr_t)buf, oa->oa_base,
+ oa->oa_length);
+ /* no real need...
+ buf += RNDUP(oa->oa_length) /
+ sizeof (long);
+ */
+ }
+ }
+ 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);
+}
+