1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * rex_xdr - remote execution external data representations
24 *
25 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #pragma ident "%Z%%M% %I% %E% SMI"
30
31 /* XXX - Bad, Bad, Bad.... Fix this. This isn't allowed in the base */
32 #define BSD_COMP
33
34 #include <stdio.h>
35 #include <rpc/rpc.h>
36 #include <sys/errno.h>
37 #include <sys/ttold.h>
38 #include <stropts.h>
39 #include <sys/stream.h>
40 #include <sys/tty.h>
41 #include <sys/ptyvar.h>
42
43 #include "rex.h"
44
45 /*
46 * xdr_rex_start - process the command start structure
47 */
48 int
xdr_rex_start(XDR * xdrs,struct rex_start * rst)49 xdr_rex_start(XDR *xdrs, struct rex_start *rst)
50 {
51 return
52 xdr_argv(xdrs, &rst->rst_cmd) &&
53 xdr_string(xdrs, &rst->rst_host, 1024) &&
54 xdr_string(xdrs, &rst->rst_fsname, 1024) &&
55 xdr_string(xdrs, &rst->rst_dirwithin, 1024) &&
56 xdr_argv(xdrs, &rst->rst_env) &&
57 xdr_u_short(xdrs, &rst->rst_port0) &&
58 xdr_u_short(xdrs, &rst->rst_port1) &&
59 xdr_u_short(xdrs, &rst->rst_port2) &&
60 xdr_u_long(xdrs, &rst->rst_flags);
61 }
62
63 int
xdr_argv(XDR * xdrs,char *** argvp)64 xdr_argv(XDR *xdrs, char ***argvp)
65 {
66 register char **argv = *argvp;
67 register char **ap;
68 int i, count;
69
70 /*
71 * find the number of args to encode or free
72 */
73 if ((xdrs->x_op) != XDR_DECODE)
74 for (count = 0, ap = argv; *ap != 0; ap++)
75 count++;
76 /* XDR the count */
77 if (!xdr_u_int(xdrs, (unsigned *) &count))
78 return (FALSE);
79
80 /*
81 * now deal with the strings
82 */
83 if (xdrs->x_op == XDR_DECODE) {
84 *argvp = argv = (char **)
85 mem_alloc((unsigned)(count+1)*sizeof (char **));
86 for (i = 0; i <= count; i++) /* Note: <=, not < */
87 argv[i] = 0;
88 }
89
90 for (i = 0, ap = argv; i < count; i++, ap++)
91 if (!xdr_string(xdrs, ap, 10240))
92 return (FALSE);
93
94 if (xdrs->x_op == XDR_FREE && argv != NULL) {
95 mem_free((char *) argv, (count+1)*sizeof (char **));
96 *argvp = NULL;
97 }
98 return (TRUE);
99 }
100
101 /*
102 * xdr_rex_result - process the result of a start or wait operation
103 */
104 int
xdr_rex_result(XDR * xdrs,struct rex_result * result)105 xdr_rex_result(XDR *xdrs, struct rex_result *result)
106 {
107 return
108 xdr_int(xdrs, &result->rlt_stat) &&
109 xdr_string(xdrs, &result->rlt_message, 1024);
110
111 }
112
113 /*
114 * xdr_rex_ttymode - process the tty mode information
115 */
116 int
xdr_rex_ttymode(XDR * xdrs,struct rex_ttymode * mode)117 xdr_rex_ttymode(XDR *xdrs, struct rex_ttymode *mode)
118 {
119 u_int six = 6;
120 u_int four = 4;
121 char *speedp = NULL;
122 char *morep = NULL;
123 char *yetmorep = NULL;
124
125 if (xdrs->x_op != XDR_FREE) {
126 speedp = &mode->basic.sg_ispeed;
127 morep = (char *)&mode->more;
128 yetmorep = (char *)&mode->yetmore;
129 }
130 return
131 xdr_bytes(xdrs, (char **) &speedp, (u_int *)&four, 4) &&
132 xdr_short(xdrs, (short *) &mode->basic.sg_flags) &&
133 xdr_bytes(xdrs, (char **) &morep, (u_int *)&six, 6) &&
134 xdr_bytes(xdrs, (char **) &yetmorep, (u_int *)&six, 6) &&
135 xdr_u_long(xdrs, &mode->andmore);
136 }
137
138
139 /*
140 * xdr_rex_ttysize - process the tty size information
141 */
142 int
xdr_rex_ttysize(XDR * xdrs,struct ttysize * size)143 xdr_rex_ttysize(XDR *xdrs, struct ttysize *size)
144 {
145 return
146 xdr_int(xdrs, &size->ts_lines) &&
147 xdr_int(xdrs, &size->ts_cols);
148 }
149