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15637ed4 RG |
1 | /* |
2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for | |
3 | * unrestricted use provided that this legend is included on all tape | |
4 | * media and as a part of the software program in whole or part. Users | |
5 | * may copy or modify Sun RPC without charge, but are not authorized | |
6 | * to license or distribute it to anyone else except as part of a product or | |
7 | * program developed by the user. | |
8 | * | |
9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE | |
10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR | |
11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. | |
12 | * | |
13 | * Sun RPC is provided with no support and without any obligation on the | |
14 | * part of Sun Microsystems, Inc. to assist in its use, correction, | |
15 | * modification or enhancement. | |
16 | * | |
17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE | |
18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC | |
19 | * OR ANY PART THEREOF. | |
20 | * | |
21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue | |
22 | * or profits or other special, indirect and consequential damages, even if | |
23 | * Sun has been advised of the possibility of such damages. | |
24 | * | |
25 | * Sun Microsystems, Inc. | |
26 | * 2550 Garcia Avenue | |
27 | * Mountain View, California 94043 | |
28 | */ | |
d2bc008e C |
29 | |
30 | #if defined(LIBC_SCCS) && !defined(lint) | |
31 | /*static char *sccsid = "from: @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";*/ | |
32 | /*static char *sccsid = "from: @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";*/ | |
33 | static char *rcsid = "$Id: rpc_callmsg.c,v 1.3 1993/08/26 00:53:33 jtc Exp $"; | |
15637ed4 RG |
34 | #endif |
35 | ||
36 | /* | |
37 | * rpc_callmsg.c | |
38 | * | |
39 | * Copyright (C) 1984, Sun Microsystems, Inc. | |
40 | * | |
41 | */ | |
42 | ||
43 | #include <sys/param.h> | |
44 | ||
45 | #include <rpc/rpc.h> | |
46 | ||
47 | /* | |
48 | * XDR a call message | |
49 | */ | |
50 | bool_t | |
51 | xdr_callmsg(xdrs, cmsg) | |
52 | register XDR *xdrs; | |
53 | register struct rpc_msg *cmsg; | |
54 | { | |
55 | register long *buf; | |
56 | register struct opaque_auth *oa; | |
57 | ||
58 | if (xdrs->x_op == XDR_ENCODE) { | |
59 | if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { | |
60 | return (FALSE); | |
61 | } | |
62 | if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { | |
63 | return (FALSE); | |
64 | } | |
65 | buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT | |
66 | + RNDUP(cmsg->rm_call.cb_cred.oa_length) | |
67 | + 2 * BYTES_PER_XDR_UNIT | |
68 | + RNDUP(cmsg->rm_call.cb_verf.oa_length)); | |
69 | 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 | } | |
75 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); | |
76 | if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { | |
77 | return (FALSE); | |
78 | } | |
79 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); | |
80 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); | |
81 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); | |
82 | oa = &cmsg->rm_call.cb_cred; | |
83 | IXDR_PUT_ENUM(buf, oa->oa_flavor); | |
84 | IXDR_PUT_LONG(buf, oa->oa_length); | |
85 | if (oa->oa_length) { | |
86 | bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); | |
87 | buf += RNDUP(oa->oa_length) / sizeof (long); | |
88 | } | |
89 | oa = &cmsg->rm_call.cb_verf; | |
90 | IXDR_PUT_ENUM(buf, oa->oa_flavor); | |
91 | IXDR_PUT_LONG(buf, oa->oa_length); | |
92 | if (oa->oa_length) { | |
93 | bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); | |
94 | /* no real need.... | |
95 | buf += RNDUP(oa->oa_length) / sizeof (long); | |
96 | */ | |
97 | } | |
98 | return (TRUE); | |
99 | } | |
100 | } | |
101 | if (xdrs->x_op == XDR_DECODE) { | |
102 | buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); | |
103 | if (buf != NULL) { | |
104 | cmsg->rm_xid = IXDR_GET_LONG(buf); | |
105 | cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); | |
106 | if (cmsg->rm_direction != CALL) { | |
107 | return (FALSE); | |
108 | } | |
109 | cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf); | |
110 | if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { | |
111 | return (FALSE); | |
112 | } | |
113 | cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf); | |
114 | cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf); | |
115 | cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf); | |
116 | oa = &cmsg->rm_call.cb_cred; | |
117 | oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); | |
118 | oa->oa_length = IXDR_GET_LONG(buf); | |
119 | if (oa->oa_length) { | |
120 | if (oa->oa_length > MAX_AUTH_BYTES) { | |
121 | return (FALSE); | |
122 | } | |
123 | if (oa->oa_base == NULL) { | |
124 | oa->oa_base = (caddr_t) | |
125 | mem_alloc(oa->oa_length); | |
126 | } | |
127 | buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); | |
128 | if (buf == NULL) { | |
129 | if (xdr_opaque(xdrs, oa->oa_base, | |
130 | oa->oa_length) == FALSE) { | |
131 | return (FALSE); | |
132 | } | |
133 | } else { | |
134 | bcopy((caddr_t)buf, oa->oa_base, | |
135 | oa->oa_length); | |
136 | /* no real need.... | |
137 | buf += RNDUP(oa->oa_length) / | |
138 | sizeof (long); | |
139 | */ | |
140 | } | |
141 | } | |
142 | oa = &cmsg->rm_call.cb_verf; | |
143 | buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); | |
144 | if (buf == NULL) { | |
145 | if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || | |
146 | xdr_u_int(xdrs, &oa->oa_length) == FALSE) { | |
147 | return (FALSE); | |
148 | } | |
149 | } else { | |
150 | oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); | |
151 | oa->oa_length = IXDR_GET_LONG(buf); | |
152 | } | |
153 | if (oa->oa_length) { | |
154 | if (oa->oa_length > MAX_AUTH_BYTES) { | |
155 | return (FALSE); | |
156 | } | |
157 | if (oa->oa_base == NULL) { | |
158 | oa->oa_base = (caddr_t) | |
159 | mem_alloc(oa->oa_length); | |
160 | } | |
161 | buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); | |
162 | if (buf == NULL) { | |
163 | if (xdr_opaque(xdrs, oa->oa_base, | |
164 | oa->oa_length) == FALSE) { | |
165 | return (FALSE); | |
166 | } | |
167 | } else { | |
168 | bcopy((caddr_t)buf, oa->oa_base, | |
169 | oa->oa_length); | |
170 | /* no real need... | |
171 | buf += RNDUP(oa->oa_length) / | |
172 | sizeof (long); | |
173 | */ | |
174 | } | |
175 | } | |
176 | return (TRUE); | |
177 | } | |
178 | } | |
179 | if ( | |
180 | xdr_u_long(xdrs, &(cmsg->rm_xid)) && | |
181 | xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && | |
182 | (cmsg->rm_direction == CALL) && | |
183 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_rpcvers)) && | |
184 | (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && | |
185 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_prog)) && | |
186 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_vers)) && | |
187 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_proc)) && | |
188 | xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) | |
189 | return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); | |
190 | return (FALSE); | |
191 | } | |
192 |