1 /* @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC */
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31 static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
37 * Copyright (C) 1984, Sun Microsystems, Inc.
45 #include <sys/param.h>
53 xdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg)
56 struct opaque_auth *oa;
58 if (xdrs->x_op == XDR_ENCODE)
60 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES)
64 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES)
68 buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT
69 + RNDUP (cmsg->rm_call.cb_cred.oa_length)
70 + 2 * BYTES_PER_XDR_UNIT
71 + RNDUP (cmsg->rm_call.cb_verf.oa_length));
74 IXDR_PUT_LONG (buf, cmsg->rm_xid);
75 IXDR_PUT_ENUM (buf, cmsg->rm_direction);
76 if (cmsg->rm_direction != CALL)
78 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_rpcvers);
79 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
81 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_prog);
82 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_vers);
83 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_proc);
84 oa = &cmsg->rm_call.cb_cred;
85 IXDR_PUT_ENUM (buf, oa->oa_flavor);
86 IXDR_PUT_INT32 (buf, oa->oa_length);
89 memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
90 buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length));
92 oa = &cmsg->rm_call.cb_verf;
93 IXDR_PUT_ENUM (buf, oa->oa_flavor);
94 IXDR_PUT_INT32 (buf, oa->oa_length);
97 memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
99 buf = (long *) ((char *) buf + RNDUP(oa->oa_length));
105 if (xdrs->x_op == XDR_DECODE)
107 buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT);
110 cmsg->rm_xid = IXDR_GET_LONG (buf);
111 cmsg->rm_direction = IXDR_GET_ENUM (buf, enum msg_type);
112 if (cmsg->rm_direction != CALL)
116 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG (buf);
117 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
121 cmsg->rm_call.cb_prog = IXDR_GET_LONG (buf);
122 cmsg->rm_call.cb_vers = IXDR_GET_LONG (buf);
123 cmsg->rm_call.cb_proc = IXDR_GET_LONG (buf);
124 oa = &cmsg->rm_call.cb_cred;
125 oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
126 oa->oa_length = IXDR_GET_INT32 (buf);
129 if (oa->oa_length > MAX_AUTH_BYTES)
131 if (oa->oa_base == NULL)
133 oa->oa_base = (caddr_t)
134 mem_alloc (oa->oa_length);
136 buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
139 if (xdr_opaque (xdrs, oa->oa_base,
140 oa->oa_length) == FALSE)
145 memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
147 buf = (long *) ((char *) buf
148 + RNDUP(oa->oa_length));
152 oa = &cmsg->rm_call.cb_verf;
153 buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT);
156 if (xdr_enum (xdrs, &oa->oa_flavor) == FALSE ||
157 xdr_u_int (xdrs, &oa->oa_length) == FALSE)
164 oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
165 oa->oa_length = IXDR_GET_INT32 (buf);
169 if (oa->oa_length > MAX_AUTH_BYTES)
171 if (oa->oa_base == NULL)
173 oa->oa_base = (caddr_t)
174 mem_alloc (oa->oa_length);
176 buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
179 if (xdr_opaque (xdrs, oa->oa_base,
180 oa->oa_length) == FALSE)
185 memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
187 buf = (long *) ((char *) buf
188 + RNDUP(oa->oa_length));
196 xdr_u_long (xdrs, &(cmsg->rm_xid)) &&
197 xdr_enum (xdrs, (enum_t *) & (cmsg->rm_direction)) &&
198 (cmsg->rm_direction == CALL) &&
199 xdr_u_long (xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
200 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
201 xdr_u_long (xdrs, &(cmsg->rm_call.cb_prog)) &&
202 xdr_u_long (xdrs, &(cmsg->rm_call.cb_vers)) &&
203 xdr_u_long (xdrs, &(cmsg->rm_call.cb_proc)) &&
204 xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_cred)))
205 return xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_verf));
208 libc_hidden_def(xdr_callmsg)