1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* @(#)svc_simple.c 2.2 88/08/01 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[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* svc_simple.c
* Simplified front end to rpc.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <string.h>
#include <libintl.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include <rpc/pmap_clnt.h>
#include <sys/socket.h>
#include <netdb.h>
#ifdef USE_IN_LIBIO
# include <wchar.h>
# include <libio/iolibio.h>
#endif
struct proglst_
{
char *(*p_progname) (char *);
int p_prognum;
int p_procnum;
xdrproc_t p_inproc, p_outproc;
struct proglst_ *p_nxt;
};
#ifdef _RPC_THREAD_SAFE_
#define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s)
#else
static struct proglst_ *proglst;
#endif
static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
#ifdef _RPC_THREAD_SAFE_
#define transp RPC_THREAD_VARIABLE(svcsimple_transp_s)
#else
static SVCXPRT *transp;
#endif
int
registerrpc (u_long prognum, u_long versnum, u_long procnum,
char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
{
struct proglst_ *pl;
char *buf;
if (procnum == NULLPROC)
{
if (__asprintf (&buf, _("can't reassign procedure number %ld\n"),
NULLPROC) < 0)
buf = NULL;
goto err_out;
}
if (transp == 0)
{
transp = INTUSE(svcudp_create) (RPC_ANYSOCK);
if (transp == NULL)
{
buf = strdup (_("couldn't create an rpc server\n"));
goto err_out;
}
}
(void) pmap_unset ((u_long) prognum, (u_long) versnum);
if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
universal, IPPROTO_UDP))
{
if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
prognum, versnum) < 0)
buf = NULL;
goto err_out;
}
pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
if (pl == NULL)
{
buf = strdup (_("registerrpc: out of memory\n"));
goto err_out;
}
pl->p_progname = progname;
pl->p_prognum = prognum;
pl->p_procnum = procnum;
pl->p_inproc = inproc;
pl->p_outproc = outproc;
pl->p_nxt = proglst;
proglst = pl;
return 0;
err_out:
if (buf == NULL)
return -1;
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", buf);
else
#endif
(void) fputs (buf, stderr);
free (buf);
return -1;
}
static void
universal (struct svc_req *rqstp, SVCXPRT *transp_l)
{
int prog, proc;
char *outdata;
char xdrbuf[UDPMSGSIZE];
struct proglst_ *pl;
char *buf = NULL;
/*
* enforce "procnum 0 is echo" convention
*/
if (rqstp->rq_proc == NULLPROC)
{
if (INTUSE(svc_sendreply) (transp_l, (xdrproc_t)INTUSE(xdr_void),
(char *) NULL) == FALSE)
{
__write (STDERR_FILENO, "xxx\n", 4);
exit (1);
}
return;
}
prog = rqstp->rq_prog;
proc = rqstp->rq_proc;
for (pl = proglst; pl != NULL; pl = pl->p_nxt)
if (pl->p_prognum == prog && pl->p_procnum == proc)
{
/* decode arguments into a CLEAN buffer */
__bzero (xdrbuf, sizeof (xdrbuf)); /* required ! */
if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
{
INTUSE(svcerr_decode) (transp_l);
return;
}
outdata = (*(pl->p_progname)) (xdrbuf);
if (outdata == NULL && pl->p_outproc != (xdrproc_t)INTUSE(xdr_void))
/* there was an error */
return;
if (!INTUSE(svc_sendreply) (transp_l, pl->p_outproc, outdata))
{
if (__asprintf (&buf, _("trouble replying to prog %d\n"),
pl->p_prognum) < 0)
buf = NULL;
goto err_out2;
}
/* free the decoded arguments */
(void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
return;
}
if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0)
buf = NULL;
err_out2:
if (buf == NULL)
exit (1);
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s", buf);
else
#endif
fputs (buf, stderr);
free (buf);
exit (1);
}
|
