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
201
202
203
204
205
206
207
208
209
210
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
/*
* rpcb_svc.c
* The server procedure for the version 3 rpcbind (TLI).
*
* It maintains a separate list of all the registered services with the
* version 3 of rpcbind.
*/
#include <stdio.h>
#include <strings.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpc/rpcb_prot.h>
#include <netconfig.h>
#include <syslog.h>
#include <netdir.h>
#include <stdlib.h>
#include "rpcbind.h"
/*
* Called by svc_getreqset. There is a separate server handle for
* every transport that it waits on.
*/
void
rpcb_service_3(struct svc_req *rqstp, SVCXPRT *transp)
{
union {
rpcb rpcbproc_set_3_arg;
rpcb rpcbproc_unset_3_arg;
rpcb rpcbproc_getaddr_3_arg;
rpcb_rmtcallargs rpcbproc_callit_3_arg;
char *rpcbproc_uaddr2taddr_3_arg;
struct netbuf rpcbproc_taddr2uaddr_3_arg;
} argument;
union {
bool_t rpcbproc_set_3_res;
bool_t rpcbproc_unset_3_res;
char *rpcbproc_getaddr_3_res;
rpcblist_ptr *rpcbproc_dump_3_res;
ulong_t rpcbproc_gettime_3_res;
struct netbuf rpcbproc_uaddr2taddr_3_res;
char *rpcbproc_taddr2uaddr_3_res;
} result;
bool_t retval;
xdrproc_t xdr_argument, xdr_result;
bool_t (*local)();
rpcbs_procinfo(RPCBVERS_3_STAT, rqstp->rq_proc);
RPCB_CHECK(transp, rqstp->rq_proc);
switch (rqstp->rq_proc) {
case NULLPROC:
/*
* Null proc call
*/
(void) svc_sendreply(transp, (xdrproc_t)xdr_void, (char *)NULL);
return;
case RPCBPROC_SET:
/*
* Check to see whether the message came from
* loopback transports (for security reasons)
*/
if (strcasecmp(transp->xp_netid, loopback_dg) &&
strcasecmp(transp->xp_netid, loopback_vc) &&
strcasecmp(transp->xp_netid, loopback_vc_ord)) {
char *uaddr;
uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid),
svc_getrpccaller(transp));
syslog(LOG_ERR, "non-local attempt to set from %s",
uaddr == NULL ? "<unknown>" : uaddr);
free(uaddr);
svcerr_weakauth(transp);
return;
}
xdr_argument = xdr_rpcb;
xdr_result = xdr_bool;
local = (bool_t (*)()) rpcbproc_set_com;
break;
case RPCBPROC_UNSET:
/*
* Check to see whether the message came from
* loopback transports (for security reasons)
*/
if (strcasecmp(transp->xp_netid, loopback_dg) &&
strcasecmp(transp->xp_netid, loopback_vc) &&
strcasecmp(transp->xp_netid, loopback_vc_ord)) {
char *uaddr;
uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid),
svc_getrpccaller(transp));
syslog(LOG_ERR, "non-local attempt to unset from %s",
uaddr == NULL ? "<unknown>" : uaddr);
free(uaddr);
svcerr_weakauth(transp);
return;
}
xdr_argument = xdr_rpcb;
xdr_result = xdr_bool;
local = (bool_t (*)()) rpcbproc_unset_com;
break;
case RPCBPROC_GETADDR:
xdr_argument = xdr_rpcb;
xdr_result = xdr_wrapstring;
local = (bool_t (*)()) rpcbproc_getaddr_com;
break;
case RPCBPROC_DUMP:
xdr_argument = xdr_void;
xdr_result = xdr_rpcblist_ptr_ptr;
local = (bool_t (*)()) rpcbproc_dump_com;
break;
case RPCBPROC_CALLIT:
rpcbproc_callit_com(rqstp, transp, rqstp->rq_proc, RPCBVERS);
return;
case RPCBPROC_GETTIME:
xdr_argument = xdr_void;
xdr_result = xdr_u_long;
local = (bool_t (*)()) rpcbproc_gettime_com;
break;
case RPCBPROC_UADDR2TADDR:
xdr_argument = xdr_wrapstring;
xdr_result = xdr_netbuf;
local = (bool_t (*)()) rpcbproc_uaddr2taddr_com;
break;
case RPCBPROC_TADDR2UADDR:
xdr_argument = xdr_netbuf;
xdr_result = xdr_wrapstring;
local = (bool_t (*)()) rpcbproc_taddr2uaddr_com;
break;
default:
svcerr_noproc(transp);
return;
}
(void) memset((char *)&argument, 0, sizeof (argument));
if (!svc_getargs(transp, xdr_argument, (char *)&argument)) {
svcerr_decode(transp);
if (debugging)
(void) fprintf(stderr, "rpcbind: could not decode\n");
return;
}
retval = (*local)(&argument, &result, rqstp, RPCBVERS);
if (retval > 0 && !svc_sendreply(transp, xdr_result, (char *)&result)) {
svcerr_systemerr(transp);
if (debugging) {
(void) fprintf(stderr, "rpcbind: svc_sendreply\n");
if (doabort) {
rpcbind_abort();
}
}
}
if (!svc_freeargs(transp, xdr_argument, (char *)&argument)) {
if (debugging) {
(void) fprintf(stderr, "unable to free arguments\n");
if (doabort) {
rpcbind_abort();
}
}
}
xdr_free(xdr_result, (char *)&result);
}
|
