Update.
[glibc.git] / sunrpc / rpc_cmsg.c
blobdea07536a33fd54ac3e5b668c994e363da2bca27
1 /* @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC */
2 /*
3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4 * unrestricted use provided that this legend is included on all tape
5 * media and as a part of the software program in whole or part. Users
6 * may copy or modify Sun RPC without charge, but are not authorized
7 * to license or distribute it to anyone else except as part of a product or
8 * program developed by the user.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
30 #if !defined(lint) && defined(SCCSIDS)
31 static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
32 #endif
35 * rpc_callmsg.c
37 * Copyright (C) 1984, Sun Microsystems, Inc.
41 #include <string.h>
42 #include <sys/param.h>
43 #include <rpc/rpc.h>
46 * XDR a call message
48 bool_t
49 xdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg)
51 int32_t *buf;
52 struct opaque_auth *oa;
54 if (xdrs->x_op == XDR_ENCODE)
56 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES)
58 return (FALSE);
60 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES)
62 return (FALSE);
64 buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT
65 + RNDUP (cmsg->rm_call.cb_cred.oa_length)
66 + 2 * BYTES_PER_XDR_UNIT
67 + RNDUP (cmsg->rm_call.cb_verf.oa_length));
68 if (buf != NULL)
70 IXDR_PUT_LONG (buf, cmsg->rm_xid);
71 IXDR_PUT_ENUM (buf, cmsg->rm_direction);
72 if (cmsg->rm_direction != CALL)
73 return FALSE;
74 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_rpcvers);
75 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
76 return FALSE;
77 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_prog);
78 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_vers);
79 IXDR_PUT_LONG (buf, cmsg->rm_call.cb_proc);
80 oa = &cmsg->rm_call.cb_cred;
81 IXDR_PUT_ENUM (buf, oa->oa_flavor);
82 IXDR_PUT_INT32 (buf, oa->oa_length);
83 if (oa->oa_length)
85 memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
86 buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length));
88 oa = &cmsg->rm_call.cb_verf;
89 IXDR_PUT_ENUM (buf, oa->oa_flavor);
90 IXDR_PUT_INT32 (buf, oa->oa_length);
91 if (oa->oa_length)
93 memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length);
94 /* no real need....
95 buf = (long *) ((char *) buf + RNDUP(oa->oa_length));
98 return TRUE;
101 if (xdrs->x_op == XDR_DECODE)
103 buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT);
104 if (buf != NULL)
106 cmsg->rm_xid = IXDR_GET_LONG (buf);
107 cmsg->rm_direction = IXDR_GET_ENUM (buf, enum msg_type);
108 if (cmsg->rm_direction != CALL)
110 return FALSE;
112 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG (buf);
113 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
115 return FALSE;
117 cmsg->rm_call.cb_prog = IXDR_GET_LONG (buf);
118 cmsg->rm_call.cb_vers = IXDR_GET_LONG (buf);
119 cmsg->rm_call.cb_proc = IXDR_GET_LONG (buf);
120 oa = &cmsg->rm_call.cb_cred;
121 oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
122 oa->oa_length = IXDR_GET_INT32 (buf);
123 if (oa->oa_length)
125 if (oa->oa_length > MAX_AUTH_BYTES)
126 return FALSE;
127 if (oa->oa_base == NULL)
129 oa->oa_base = (caddr_t)
130 mem_alloc (oa->oa_length);
132 buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
133 if (buf == NULL)
135 if (INTUSE(xdr_opaque) (xdrs, oa->oa_base,
136 oa->oa_length) == FALSE)
137 return FALSE;
139 else
141 memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
142 /* no real need....
143 buf = (long *) ((char *) buf
144 + RNDUP(oa->oa_length));
148 oa = &cmsg->rm_call.cb_verf;
149 buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT);
150 if (buf == NULL)
152 if (INTUSE(xdr_enum) (xdrs, &oa->oa_flavor) == FALSE ||
153 INTUSE(xdr_u_int) (xdrs, &oa->oa_length) == FALSE)
155 return FALSE;
158 else
160 oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t);
161 oa->oa_length = IXDR_GET_INT32 (buf);
163 if (oa->oa_length)
165 if (oa->oa_length > MAX_AUTH_BYTES)
166 return FALSE;
167 if (oa->oa_base == NULL)
169 oa->oa_base = (caddr_t)
170 mem_alloc (oa->oa_length);
172 buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length));
173 if (buf == NULL)
175 if (INTUSE(xdr_opaque) (xdrs, oa->oa_base,
176 oa->oa_length) == FALSE)
177 return FALSE;
179 else
181 memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length);
182 /* no real need...
183 buf = (long *) ((char *) buf
184 + RNDUP(oa->oa_length));
188 return TRUE;
191 if (
192 INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_xid)) &&
193 INTUSE(xdr_enum) (xdrs, (enum_t *) & (cmsg->rm_direction)) &&
194 (cmsg->rm_direction == CALL) &&
195 INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
196 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
197 INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_prog)) &&
198 INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_vers)) &&
199 INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_proc)) &&
200 INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_cred)))
201 return INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_verf));
202 return FALSE;
204 INTDEF(xdr_callmsg)