1 /* $NetBSD: nfs_prot_svc.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 Erez Zadok
5 * Copyright (c) 1989 Jan-Simon Pendry
6 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
7 * Copyright (c) 1989 The Regents of the University of California.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Jan-Simon Pendry at Imperial College, London.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/amd/nfs_prot_svc.c
39 *
40 */
41
42 #ifdef HAVE_CONFIG_H
43 # include <config.h>
44 #endif /* HAVE_CONFIG_H */
45 #include <am_defs.h>
46 #include <amd.h>
47
48 /* external definitions */
49 extern voidp nfsproc_null_2_svc(voidp, struct svc_req *);
50 extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *);
51 extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
52 extern voidp nfsproc_root_2_svc(voidp, struct svc_req *);
53 extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
54 extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *);
55 extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
56 extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *);
57 extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
58 extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
59 extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
60 extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
61 extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
62 extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
63 extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
64 extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
65 extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
66 extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *);
67
68 /* global variables */
69 SVCXPRT *current_transp;
70 dispatcher_t nfs_dispatcher = nfs_program_2;
71
72 /* typedefs */
73 typedef char *(*nfssvcproc_t)(voidp, struct svc_req *);
74
75
76 void
nfs_program_2(struct svc_req * rqstp,SVCXPRT * transp)77 nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp)
78 {
79 union {
80 am_nfs_fh nfsproc_getattr_2_arg;
81 nfssattrargs nfsproc_setattr_2_arg;
82 nfsdiropargs nfsproc_lookup_2_arg;
83 am_nfs_fh nfsproc_readlink_2_arg;
84 nfsreadargs nfsproc_read_2_arg;
85 nfswriteargs nfsproc_write_2_arg;
86 nfscreateargs nfsproc_create_2_arg;
87 nfsdiropargs nfsproc_remove_2_arg;
88 nfsrenameargs nfsproc_rename_2_arg;
89 nfslinkargs nfsproc_link_2_arg;
90 nfssymlinkargs nfsproc_symlink_2_arg;
91 nfscreateargs nfsproc_mkdir_2_arg;
92 nfsdiropargs fsproc_rmdir_2_arg;
93 nfsreaddirargs nfsproc_readdir_2_arg;
94 am_nfs_fh nfsproc_statfs_2_arg;
95 } argument;
96 char *result;
97 xdrproc_t xdr_argument, xdr_result;
98 nfssvcproc_t local;
99
100 #ifdef HAVE_TRANSPORT_TYPE_TLI
101 /*
102 * On TLI systems we don't use an INET network type, but a "ticlts" (see
103 * /etc/netconfig and conf/transp_tli.c:create_nfs_service). This means
104 * that packets could only come from the loopback interface, and we don't
105 * need to check them and filter possibly spoofed packets. Therefore we
106 * only need to check if the UID caller is correct.
107 */
108 # ifdef HAVE___RPC_GET_LOCAL_UID
109 uid_t u;
110 /* extern definition for an internal libnsl function */
111 extern int __rpc_get_local_uid(SVCXPRT *transp, uid_t *uid);
112 if (__rpc_get_local_uid(transp, &u) >= 0 && u != 0) {
113 plog(XLOG_WARNING, "ignoring request from UID %ld, must be 0", (long) u);
114 return;
115 }
116 # else /* not HAVE___RPC_GET_LOCAL_UID */
117 dlog("cannot verify local uid for rpc request");
118 # endif /* HAVE___RPC_GET_LOCAL_UID */
119 #else /* not HAVE_TRANPORT_TYPE_TLI */
120 struct sockaddr_in *sinp;
121 char dq[20], dq2[28];
122 sinp = amu_svc_getcaller(rqstp->rq_xprt);
123 # ifdef MNT2_NFS_OPT_RESVPORT
124 /* Verify that the request comes from a reserved port */
125 if (sinp &&
126 ntohs(sinp->sin_port) >= IPPORT_RESERVED &&
127 !(gopt.flags & CFM_NFS_INSECURE_PORT)) {
128 plog(XLOG_WARNING, "ignoring request from %s:%u, port not reserved",
129 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr),
130 ntohs(sinp->sin_port));
131 return;
132 }
133 # endif /* MNT2_NFS_OPT_RESVPORT */
134 /* if the address does not match, ignore the request */
135 if (sinp && (sinp->sin_addr.s_addr != myipaddr.s_addr)) {
136 if (gopt.flags & CFM_NFS_ANY_INTERFACE) {
137 if (!is_interface_local(sinp->sin_addr.s_addr)) {
138 plog(XLOG_WARNING, "ignoring request from %s:%u, not a local interface",
139 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr),
140 ntohs(sinp->sin_port));
141 }
142 } else {
143 plog(XLOG_WARNING, "ignoring request from %s:%u, expected %s",
144 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr),
145 ntohs(sinp->sin_port),
146 inet_dquad(dq2, sizeof(dq2), myipaddr.s_addr));
147 return;
148 }
149 }
150 #endif /* not HAVE_TRANPORT_TYPE_TLI */
151
152 current_transp = NULL;
153
154 switch (rqstp->rq_proc) {
155
156 case NFSPROC_NULL:
157 xdr_argument = (xdrproc_t) xdr_void;
158 xdr_result = (xdrproc_t) xdr_void;
159 local = (nfssvcproc_t) nfsproc_null_2_svc;
160 break;
161
162 case NFSPROC_GETATTR:
163 xdr_argument = (xdrproc_t) xdr_nfs_fh;
164 xdr_result = (xdrproc_t) xdr_attrstat;
165 local = (nfssvcproc_t) nfsproc_getattr_2_svc;
166 break;
167
168 case NFSPROC_SETATTR:
169 xdr_argument = (xdrproc_t) xdr_sattrargs;
170 xdr_result = (xdrproc_t) xdr_attrstat;
171 local = (nfssvcproc_t) nfsproc_setattr_2_svc;
172 break;
173
174 case NFSPROC_ROOT:
175 xdr_argument = (xdrproc_t) xdr_void;
176 xdr_result = (xdrproc_t) xdr_void;
177 local = (nfssvcproc_t) nfsproc_root_2_svc;
178 break;
179
180 case NFSPROC_LOOKUP:
181 xdr_argument = (xdrproc_t) xdr_diropargs;
182 xdr_result = (xdrproc_t) xdr_diropres;
183 local = (nfssvcproc_t) nfsproc_lookup_2_svc;
184 /*
185 * Cheap way to pass transp down to amfs_auto_lookuppn so it can
186 * be stored in the am_node structure and later used for
187 * quick_reply().
188 */
189 current_transp = transp;
190 break;
191
192 case NFSPROC_READLINK:
193 xdr_argument = (xdrproc_t) xdr_nfs_fh;
194 xdr_result = (xdrproc_t) xdr_readlinkres;
195 local = (nfssvcproc_t) nfsproc_readlink_2_svc;
196 break;
197
198 case NFSPROC_READ:
199 xdr_argument = (xdrproc_t) xdr_readargs;
200 xdr_result = (xdrproc_t) xdr_readres;
201 local = (nfssvcproc_t) nfsproc_read_2_svc;
202 break;
203
204 case NFSPROC_WRITECACHE:
205 xdr_argument = (xdrproc_t) xdr_void;
206 xdr_result = (xdrproc_t) xdr_void;
207 local = (nfssvcproc_t) nfsproc_writecache_2_svc;
208 break;
209
210 case NFSPROC_WRITE:
211 xdr_argument = (xdrproc_t) xdr_writeargs;
212 xdr_result = (xdrproc_t) xdr_attrstat;
213 local = (nfssvcproc_t) nfsproc_write_2_svc;
214 break;
215
216 case NFSPROC_CREATE:
217 xdr_argument = (xdrproc_t) xdr_createargs;
218 xdr_result = (xdrproc_t) xdr_diropres;
219 local = (nfssvcproc_t) nfsproc_create_2_svc;
220 break;
221
222 case NFSPROC_REMOVE:
223 xdr_argument = (xdrproc_t) xdr_diropargs;
224 xdr_result = (xdrproc_t) xdr_nfsstat;
225 local = (nfssvcproc_t) nfsproc_remove_2_svc;
226 break;
227
228 case NFSPROC_RENAME:
229 xdr_argument = (xdrproc_t) xdr_renameargs;
230 xdr_result = (xdrproc_t) xdr_nfsstat;
231 local = (nfssvcproc_t) nfsproc_rename_2_svc;
232 break;
233
234 case NFSPROC_LINK:
235 xdr_argument = (xdrproc_t) xdr_linkargs;
236 xdr_result = (xdrproc_t) xdr_nfsstat;
237 local = (nfssvcproc_t) nfsproc_link_2_svc;
238 break;
239
240 case NFSPROC_SYMLINK:
241 xdr_argument = (xdrproc_t) xdr_symlinkargs;
242 xdr_result = (xdrproc_t) xdr_nfsstat;
243 local = (nfssvcproc_t) nfsproc_symlink_2_svc;
244 break;
245
246 case NFSPROC_MKDIR:
247 xdr_argument = (xdrproc_t) xdr_createargs;
248 xdr_result = (xdrproc_t) xdr_diropres;
249 local = (nfssvcproc_t) nfsproc_mkdir_2_svc;
250 break;
251
252 case NFSPROC_RMDIR:
253 xdr_argument = (xdrproc_t) xdr_diropargs;
254 xdr_result = (xdrproc_t) xdr_nfsstat;
255 local = (nfssvcproc_t) nfsproc_rmdir_2_svc;
256 break;
257
258 case NFSPROC_READDIR:
259 xdr_argument = (xdrproc_t) xdr_readdirargs;
260 xdr_result = (xdrproc_t) xdr_readdirres;
261 local = (nfssvcproc_t) nfsproc_readdir_2_svc;
262 break;
263
264 case NFSPROC_STATFS:
265 xdr_argument = (xdrproc_t) xdr_nfs_fh;
266 xdr_result = (xdrproc_t) xdr_statfsres;
267 local = (nfssvcproc_t) nfsproc_statfs_2_svc;
268 break;
269
270 default:
271 svcerr_noproc(transp);
272 return;
273 }
274
275 memset((char *) &argument, 0, sizeof(argument));
276 if (!svc_getargs(transp,
277 (XDRPROC_T_TYPE) xdr_argument,
278 (SVC_IN_ARG_TYPE) &argument)) {
279 plog(XLOG_ERROR,
280 "NFS xdr decode failed for %d %d %d",
281 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
282 svcerr_decode(transp);
283 return;
284 }
285 result = (*local) (&argument, rqstp);
286
287 current_transp = NULL;
288
289 if (result != NULL && !svc_sendreply(transp,
290 (XDRPROC_T_TYPE) xdr_result,
291 result)) {
292 svcerr_systemerr(transp);
293 }
294 if (!svc_freeargs(transp,
295 (XDRPROC_T_TYPE) xdr_argument,
296 (SVC_IN_ARG_TYPE) & argument)) {
297 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2");
298 going_down(1);
299 }
300 }
301
302 void
nfs_program_3(struct svc_req * rqstp,register SVCXPRT * transp)303 nfs_program_3(struct svc_req *rqstp, register SVCXPRT *transp)
304 {
305 union {
306 am_GETATTR3args am_nfs3_getattr_3_arg;
307 am_SETATTR3args am_nfs3_setattr_3_arg;
308 am_LOOKUP3args am_nfs3_lookup_3_arg;
309 am_ACCESS3args am_nfs3_access_3_arg;
310 am_READLINK3args am_nfs3_readlink_3_arg;
311 am_READ3args am_nfs3_read_3_arg;
312 am_WRITE3args am_nfs3_write_3_arg;
313 am_CREATE3args am_nfs3_create_3_arg;
314 am_MKDIR3args am_nfs3_mkdir_3_arg;
315 am_SYMLINK3args am_nfs3_symlink_3_arg;
316 am_MKNOD3args am_nfs3_mknod_3_arg;
317 am_REMOVE3args am_nfs3_remove_3_arg;
318 am_RMDIR3args am_nfs3_rmdir_3_arg;
319 am_RENAME3args am_nfs3_rename_3_arg;
320 am_LINK3args am_nfs3_link_3_arg;
321 am_READDIR3args am_nfs3_readdir_3_arg;
322 am_READDIRPLUS3args am_nfs3_readdirplus_3_arg;
323 am_FSSTAT3args am_nfs3_fsstat_3_arg;
324 am_FSINFO3args am_nfs3_fsinfo_3_arg;
325 am_PATHCONF3args am_nfs3_pathconf_3_arg;
326 am_COMMIT3args am_nfs3_commit_3_arg;
327 } argument;
328 char *result;
329 xdrproc_t _xdr_argument, _xdr_result;
330 nfssvcproc_t local;
331
332 switch (rqstp->rq_proc) {
333 case AM_NFS3_NULL:
334 _xdr_argument = (xdrproc_t) xdr_void;
335 _xdr_result = (xdrproc_t) xdr_void;
336 local = (nfssvcproc_t) am_nfs3_null_3_svc;
337 break;
338
339 case AM_NFS3_GETATTR:
340 _xdr_argument = (xdrproc_t) xdr_am_GETATTR3args;
341 _xdr_result = (xdrproc_t) xdr_am_GETATTR3res;
342 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_getattr_3_svc;
343 break;
344
345 case AM_NFS3_SETATTR:
346 _xdr_argument = (xdrproc_t) xdr_am_SETATTR3args;
347 _xdr_result = (xdrproc_t) xdr_am_SETATTR3res;
348 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_setattr_3_svc;
349 break;
350
351 case AM_NFS3_LOOKUP:
352 _xdr_argument = (xdrproc_t) xdr_am_LOOKUP3args;
353 _xdr_result = (xdrproc_t) xdr_am_LOOKUP3res;
354 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_lookup_3_svc;
355 break;
356
357 case AM_NFS3_ACCESS:
358 _xdr_argument = (xdrproc_t) xdr_am_ACCESS3args;
359 _xdr_result = (xdrproc_t) xdr_am_ACCESS3res;
360 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_access_3_svc;
361 break;
362
363 case AM_NFS3_READLINK:
364 _xdr_argument = (xdrproc_t) xdr_am_READLINK3args;
365 _xdr_result = (xdrproc_t) xdr_am_READLINK3res;
366 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_readlink_3_svc;
367 break;
368
369 case AM_NFS3_READ:
370 _xdr_argument = (xdrproc_t) xdr_am_READ3args;
371 _xdr_result = (xdrproc_t) xdr_am_READ3res;
372 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_read_3_svc;
373 break;
374
375 case AM_NFS3_WRITE:
376 _xdr_argument = (xdrproc_t) xdr_am_WRITE3args;
377 _xdr_result = (xdrproc_t) xdr_am_WRITE3res;
378 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_write_3_svc;
379 break;
380
381 case AM_NFS3_CREATE:
382 _xdr_argument = (xdrproc_t) xdr_am_CREATE3args;
383 _xdr_result = (xdrproc_t) xdr_am_CREATE3res;
384 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_create_3_svc;
385 break;
386
387 case AM_NFS3_MKDIR:
388 _xdr_argument = (xdrproc_t) xdr_am_MKDIR3args;
389 _xdr_result = (xdrproc_t) xdr_am_MKDIR3res;
390 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_mkdir_3_svc;
391 break;
392
393 case AM_NFS3_SYMLINK:
394 _xdr_argument = (xdrproc_t) xdr_am_SYMLINK3args;
395 _xdr_result = (xdrproc_t) xdr_am_SYMLINK3res;
396 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_symlink_3_svc;
397 break;
398
399 case AM_NFS3_MKNOD:
400 _xdr_argument = (xdrproc_t) xdr_am_MKNOD3args;
401 _xdr_result = (xdrproc_t) xdr_am_MKNOD3res;
402 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_mknod_3_svc;
403 break;
404
405 case AM_NFS3_REMOVE:
406 _xdr_argument = (xdrproc_t) xdr_am_REMOVE3args;
407 _xdr_result = (xdrproc_t) xdr_am_REMOVE3res;
408 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_remove_3_svc;
409 break;
410
411 case AM_NFS3_RMDIR:
412 _xdr_argument = (xdrproc_t) xdr_am_RMDIR3args;
413 _xdr_result = (xdrproc_t) xdr_am_RMDIR3res;
414 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_rmdir_3_svc;
415 break;
416
417 case AM_NFS3_RENAME:
418 _xdr_argument = (xdrproc_t) xdr_am_RENAME3args;
419 _xdr_result = (xdrproc_t) xdr_am_RENAME3res;
420 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_rename_3_svc;
421 break;
422
423 case AM_NFS3_LINK:
424 _xdr_argument = (xdrproc_t) xdr_am_LINK3args;
425 _xdr_result = (xdrproc_t) xdr_am_LINK3res;
426 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_link_3_svc;
427 break;
428
429 case AM_NFS3_READDIR:
430 _xdr_argument = (xdrproc_t) xdr_am_READDIR3args;
431 _xdr_result = (xdrproc_t) xdr_am_READDIR3res;
432 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_readdir_3_svc;
433 break;
434
435 case AM_NFS3_READDIRPLUS:
436 _xdr_argument = (xdrproc_t) xdr_am_READDIRPLUS3args;
437 _xdr_result = (xdrproc_t) xdr_am_READDIRPLUS3res;
438 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_readdirplus_3_svc;
439 break;
440
441 case AM_NFS3_FSSTAT:
442 _xdr_argument = (xdrproc_t) xdr_am_FSSTAT3args;
443 _xdr_result = (xdrproc_t) xdr_am_FSSTAT3res;
444 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_fsstat_3_svc;
445 break;
446
447 case AM_NFS3_FSINFO:
448 _xdr_argument = (xdrproc_t) xdr_am_FSINFO3args;
449 _xdr_result = (xdrproc_t) xdr_am_FSINFO3res;
450 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_fsinfo_3_svc;
451 break;
452
453 case AM_NFS3_PATHCONF:
454 _xdr_argument = (xdrproc_t) xdr_am_PATHCONF3args;
455 _xdr_result = (xdrproc_t) xdr_am_PATHCONF3res;
456 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_pathconf_3_svc;
457 break;
458
459 case AM_NFS3_COMMIT:
460 _xdr_argument = (xdrproc_t) xdr_am_COMMIT3args;
461 _xdr_result = (xdrproc_t) xdr_am_COMMIT3res;
462 local = (nfssvcproc_t) (char *(*)(char *, struct svc_req *)) am_nfs3_commit_3_svc;
463 break;
464
465 default:
466 svcerr_noproc (transp);
467 return;
468 }
469
470 memset ((char *)&argument, 0, sizeof (argument));
471
472 if (!svc_getargs(transp, (xdrproc_t) _xdr_argument, (caddr_t) &argument)) {
473 plog(XLOG_ERROR,
474 "NFS xdr decode failed for %d %d %d",
475 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
476 svcerr_decode(transp);
477 return;
478 }
479
480 result = (*local) (&argument, rqstp);
481 if (result != NULL && !svc_sendreply(transp, (xdrproc_t) _xdr_result, result)) {
482 svcerr_systemerr (transp);
483 }
484
485 if (!svc_freeargs (transp, (xdrproc_t) _xdr_argument, (caddr_t) &argument)) {
486 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_3");
487 going_down(1);
488 }
489 return;
490 }
491