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Commit | Line | Data |
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e852e889 | 1 | /* |
a7ab6ec8 | 2 | * svc_unix.c, Server side for TCP/IP based RPC. |
e852e889 | 3 | * |
a7ab6ec8 | 4 | * Copyright (c) 2010, Oracle America, Inc. |
e852e889 | 5 | * |
a7ab6ec8 UD |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions are | |
8 | * met: | |
e852e889 | 9 | * |
a7ab6ec8 UD |
10 | * * Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * * Redistributions in binary form must reproduce the above | |
13 | * copyright notice, this list of conditions and the following | |
14 | * disclaimer in the documentation and/or other materials | |
15 | * provided with the distribution. | |
16 | * * Neither the name of the "Oracle America, Inc." nor the names of its | |
17 | * contributors may be used to endorse or promote products derived | |
18 | * from this software without specific prior written permission. | |
cb636bb2 | 19 | * |
a7ab6ec8 UD |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
24 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
25 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
e852e889 UD |
32 | * |
33 | * Actually implements two flavors of transporter - | |
34 | * a unix rendezvouser (a listener and connection establisher) | |
35 | * and a record/unix stream. | |
36 | */ | |
37 | ||
38 | #include <stdio.h> | |
39 | #include <unistd.h> | |
40 | #include <string.h> | |
41 | #include <rpc/rpc.h> | |
e4aced47 | 42 | #include <rpc/svc.h> |
e852e889 UD |
43 | #include <sys/socket.h> |
44 | #include <sys/uio.h> | |
090ca000 | 45 | #include <sys/poll.h> |
e852e889 UD |
46 | #include <errno.h> |
47 | #include <stdlib.h> | |
4360eafd | 48 | #include <libintl.h> |
3ce1f295 | 49 | #include <wchar.h> |
51028f34 | 50 | |
e852e889 UD |
51 | /* |
52 | * Ops vector for AF_UNIX based rpc service handle | |
53 | */ | |
54 | static bool_t svcunix_recv (SVCXPRT *, struct rpc_msg *); | |
55 | static enum xprt_stat svcunix_stat (SVCXPRT *); | |
56 | static bool_t svcunix_getargs (SVCXPRT *, xdrproc_t, caddr_t); | |
57 | static bool_t svcunix_reply (SVCXPRT *, struct rpc_msg *); | |
58 | static bool_t svcunix_freeargs (SVCXPRT *, xdrproc_t, caddr_t); | |
59 | static void svcunix_destroy (SVCXPRT *); | |
60 | ||
61 | static const struct xp_ops svcunix_op = | |
62 | { | |
63 | svcunix_recv, | |
64 | svcunix_stat, | |
65 | svcunix_getargs, | |
66 | svcunix_reply, | |
67 | svcunix_freeargs, | |
68 | svcunix_destroy | |
69 | }; | |
70 | ||
71 | /* | |
72 | * Ops vector for AF_UNIX rendezvous handler | |
73 | */ | |
74 | static bool_t rendezvous_request (SVCXPRT *, struct rpc_msg *); | |
75 | static enum xprt_stat rendezvous_stat (SVCXPRT *); | |
a49d0179 | 76 | static void svcunix_rendezvous_abort (void) __attribute__ ((__noreturn__)); |
4b9afc43 UD |
77 | |
78 | /* This function makes sure abort() relocation goes through PLT | |
79 | and thus can be lazy bound. */ | |
80 | static void | |
81 | svcunix_rendezvous_abort (void) | |
82 | { | |
83 | abort (); | |
84 | }; | |
e852e889 UD |
85 | |
86 | static const struct xp_ops svcunix_rendezvous_op = | |
87 | { | |
88 | rendezvous_request, | |
89 | rendezvous_stat, | |
4b9afc43 UD |
90 | (bool_t (*) (SVCXPRT *, xdrproc_t, caddr_t)) svcunix_rendezvous_abort, |
91 | (bool_t (*) (SVCXPRT *, struct rpc_msg *)) svcunix_rendezvous_abort, | |
92 | (bool_t (*) (SVCXPRT *, xdrproc_t, caddr_t)) svcunix_rendezvous_abort, | |
e852e889 UD |
93 | svcunix_destroy |
94 | }; | |
95 | ||
96 | static int readunix (char*, char *, int); | |
97 | static int writeunix (char *, char *, int); | |
98 | static SVCXPRT *makefd_xprt (int, u_int, u_int) internal_function; | |
99 | ||
100 | struct unix_rendezvous { /* kept in xprt->xp_p1 */ | |
101 | u_int sendsize; | |
102 | u_int recvsize; | |
103 | }; | |
104 | ||
105 | struct unix_conn { /* kept in xprt->xp_p1 */ | |
106 | enum xprt_stat strm_stat; | |
107 | u_long x_id; | |
108 | XDR xdrs; | |
109 | char verf_body[MAX_AUTH_BYTES]; | |
110 | }; | |
111 | ||
112 | /* | |
113 | * Usage: | |
114 | * xprt = svcunix_create(sock, send_buf_size, recv_buf_size); | |
115 | * | |
116 | * Creates, registers, and returns a (rpc) unix based transporter. | |
117 | * Once *xprt is initialized, it is registered as a transporter | |
118 | * see (svc.h, xprt_register). This routine returns | |
119 | * a NULL if a problem occurred. | |
120 | * | |
121 | * If sock<0 then a socket is created, else sock is used. | |
122 | * If the socket, sock is not bound to a port then svcunix_create | |
123 | * binds it to an arbitrary port. The routine then starts a unix | |
124 | * listener on the socket's associated port. In any (successful) case, | |
125 | * xprt->xp_sock is the registered socket number and xprt->xp_port is the | |
126 | * associated port number. | |
127 | * | |
128 | * Since unix streams do buffered io similar to stdio, the caller can specify | |
129 | * how big the send and receive buffers are via the second and third parms; | |
130 | * 0 => use the system default. | |
131 | */ | |
132 | SVCXPRT * | |
133 | svcunix_create (int sock, u_int sendsize, u_int recvsize, char *path) | |
134 | { | |
135 | bool_t madesock = FALSE; | |
136 | SVCXPRT *xprt; | |
137 | struct unix_rendezvous *r; | |
138 | struct sockaddr_un addr; | |
139 | socklen_t len = sizeof (struct sockaddr_in); | |
140 | ||
141 | if (sock == RPC_ANYSOCK) | |
142 | { | |
143 | if ((sock = __socket (AF_UNIX, SOCK_STREAM, 0)) < 0) | |
144 | { | |
145 | perror (_("svc_unix.c - AF_UNIX socket creation problem")); | |
146 | return (SVCXPRT *) NULL; | |
147 | } | |
148 | madesock = TRUE; | |
149 | } | |
150 | memset (&addr, '\0', sizeof (addr)); | |
151 | addr.sun_family = AF_UNIX; | |
c3966b88 | 152 | len = strlen (path) + 1; |
e852e889 UD |
153 | memcpy (addr.sun_path, path, len); |
154 | len += sizeof (addr.sun_family); | |
155 | ||
b2bffca2 | 156 | __bind (sock, (struct sockaddr *) &addr, len); |
e852e889 | 157 | |
b2bffca2 | 158 | if (__getsockname (sock, (struct sockaddr *) &addr, &len) != 0 |
a3a449c1 | 159 | || __listen (sock, SOMAXCONN) != 0) |
e852e889 UD |
160 | { |
161 | perror (_("svc_unix.c - cannot getsockname or listen")); | |
162 | if (madesock) | |
163 | __close (sock); | |
164 | return (SVCXPRT *) NULL; | |
165 | } | |
166 | ||
167 | r = (struct unix_rendezvous *) mem_alloc (sizeof (*r)); | |
51028f34 UD |
168 | xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT)); |
169 | if (r == NULL || xprt == NULL) | |
e852e889 | 170 | { |
1d20f7f8 | 171 | __fxprintf (NULL, "%s: %s", __func__, _("out of memory\n")); |
2e3e5db6 UD |
172 | mem_free (r, sizeof (*r)); |
173 | mem_free (xprt, sizeof (SVCXPRT)); | |
e852e889 UD |
174 | return NULL; |
175 | } | |
176 | r->sendsize = sendsize; | |
177 | r->recvsize = recvsize; | |
e852e889 UD |
178 | xprt->xp_p2 = NULL; |
179 | xprt->xp_p1 = (caddr_t) r; | |
180 | xprt->xp_verf = _null_auth; | |
181 | xprt->xp_ops = &svcunix_rendezvous_op; | |
182 | xprt->xp_port = -1; | |
183 | xprt->xp_sock = sock; | |
184 | xprt_register (xprt); | |
185 | return xprt; | |
186 | } | |
7b57bfe5 | 187 | libc_hidden_nolink (svcunix_create, GLIBC_2_1) |
e852e889 UD |
188 | |
189 | /* | |
190 | * Like svunix_create(), except the routine takes any *open* UNIX file | |
191 | * descriptor as its first input. | |
192 | */ | |
193 | SVCXPRT * | |
194 | svcunixfd_create (int fd, u_int sendsize, u_int recvsize) | |
195 | { | |
196 | return makefd_xprt (fd, sendsize, recvsize); | |
197 | } | |
7b57bfe5 | 198 | libc_hidden_nolink (svcunixfd_create, GLIBC_2_1) |
e852e889 UD |
199 | |
200 | static SVCXPRT * | |
201 | internal_function | |
202 | makefd_xprt (int fd, u_int sendsize, u_int recvsize) | |
203 | { | |
204 | SVCXPRT *xprt; | |
205 | struct unix_conn *cd; | |
206 | ||
207 | xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT)); | |
e852e889 | 208 | cd = (struct unix_conn *) mem_alloc (sizeof (struct unix_conn)); |
51028f34 | 209 | if (xprt == (SVCXPRT *) NULL || cd == (struct unix_conn *) NULL) |
e852e889 | 210 | { |
1d20f7f8 UD |
211 | (void) __fxprintf (NULL, "%s: %s", "svc_unix: makefd_xprt", |
212 | _("out of memory\n")); | |
2e3e5db6 UD |
213 | mem_free (xprt, sizeof (SVCXPRT)); |
214 | mem_free (cd, sizeof (struct unix_conn)); | |
51028f34 | 215 | return NULL; |
e852e889 UD |
216 | } |
217 | cd->strm_stat = XPRT_IDLE; | |
7b57bfe5 UD |
218 | xdrrec_create (&(cd->xdrs), sendsize, recvsize, |
219 | (caddr_t) xprt, readunix, writeunix); | |
e852e889 UD |
220 | xprt->xp_p2 = NULL; |
221 | xprt->xp_p1 = (caddr_t) cd; | |
222 | xprt->xp_verf.oa_base = cd->verf_body; | |
223 | xprt->xp_addrlen = 0; | |
224 | xprt->xp_ops = &svcunix_op; /* truly deals with calls */ | |
225 | xprt->xp_port = 0; /* this is a connection, not a rendezvouser */ | |
226 | xprt->xp_sock = fd; | |
227 | xprt_register (xprt); | |
e852e889 UD |
228 | return xprt; |
229 | } | |
230 | ||
231 | static bool_t | |
232 | rendezvous_request (SVCXPRT *xprt, struct rpc_msg *errmsg) | |
233 | { | |
234 | int sock; | |
235 | struct unix_rendezvous *r; | |
236 | struct sockaddr_un addr; | |
237 | struct sockaddr_in in_addr; | |
238 | socklen_t len; | |
239 | ||
240 | r = (struct unix_rendezvous *) xprt->xp_p1; | |
241 | again: | |
242 | len = sizeof (struct sockaddr_un); | |
243 | if ((sock = accept (xprt->xp_sock, (struct sockaddr *) &addr, &len)) < 0) | |
244 | { | |
245 | if (errno == EINTR) | |
246 | goto again; | |
247 | return FALSE; | |
248 | } | |
249 | /* | |
250 | * make a new transporter (re-uses xprt) | |
251 | */ | |
252 | memset (&in_addr, '\0', sizeof (in_addr)); | |
253 | in_addr.sin_family = AF_UNIX; | |
254 | xprt = makefd_xprt (sock, r->sendsize, r->recvsize); | |
c1301d9a | 255 | memcpy (&xprt->xp_raddr, &in_addr, sizeof (in_addr)); |
e852e889 UD |
256 | xprt->xp_addrlen = len; |
257 | return FALSE; /* there is never an rpc msg to be processed */ | |
258 | } | |
259 | ||
260 | static enum xprt_stat | |
261 | rendezvous_stat (SVCXPRT *xprt) | |
262 | { | |
263 | return XPRT_IDLE; | |
264 | } | |
265 | ||
266 | static void | |
267 | svcunix_destroy (SVCXPRT *xprt) | |
268 | { | |
269 | struct unix_conn *cd = (struct unix_conn *) xprt->xp_p1; | |
270 | ||
271 | xprt_unregister (xprt); | |
272 | __close (xprt->xp_sock); | |
273 | if (xprt->xp_port != 0) | |
274 | { | |
275 | /* a rendezvouser socket */ | |
276 | xprt->xp_port = 0; | |
277 | } | |
278 | else | |
279 | { | |
280 | /* an actual connection socket */ | |
281 | XDR_DESTROY (&(cd->xdrs)); | |
282 | } | |
283 | mem_free ((caddr_t) cd, sizeof (struct unix_conn)); | |
284 | mem_free ((caddr_t) xprt, sizeof (SVCXPRT)); | |
285 | } | |
286 | ||
c5720a93 | 287 | #ifdef SCM_CREDENTIALS |
e852e889 UD |
288 | struct cmessage { |
289 | struct cmsghdr cmsg; | |
7ce241a0 | 290 | struct ucred cmcred; |
d1275afe AS |
291 | /* hack to make sure we have enough memory */ |
292 | char dummy[(CMSG_ALIGN (sizeof (struct ucred)) - sizeof (struct ucred) + sizeof (long))]; | |
e852e889 UD |
293 | }; |
294 | ||
295 | /* XXX This is not thread safe, but since the main functions in svc.c | |
296 | and the rpcgen generated *_svc functions for the daemon are also not | |
297 | thread safe and uses static global variables, it doesn't matter. */ | |
298 | static struct cmessage cm; | |
c5720a93 | 299 | #endif |
e852e889 UD |
300 | |
301 | static int | |
d1275afe | 302 | __msgread (int sock, void *data, size_t cnt) |
e852e889 | 303 | { |
d1275afe | 304 | struct iovec iov; |
e852e889 | 305 | struct msghdr msg; |
d1275afe | 306 | int len; |
e852e889 | 307 | |
d1275afe AS |
308 | iov.iov_base = data; |
309 | iov.iov_len = cnt; | |
e852e889 | 310 | |
d1275afe | 311 | msg.msg_iov = &iov; |
e852e889 UD |
312 | msg.msg_iovlen = 1; |
313 | msg.msg_name = NULL; | |
314 | msg.msg_namelen = 0; | |
c5720a93 | 315 | #ifdef SCM_CREDENTIALS |
e852e889 UD |
316 | msg.msg_control = (caddr_t) &cm; |
317 | msg.msg_controllen = sizeof (struct cmessage); | |
c5720a93 | 318 | #endif |
e852e889 UD |
319 | msg.msg_flags = 0; |
320 | ||
7cabd57c | 321 | #ifdef SO_PASSCRED |
d76240d7 RM |
322 | { |
323 | int on = 1; | |
b2bffca2 | 324 | if (__setsockopt (sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof (on))) |
d76240d7 RM |
325 | return -1; |
326 | } | |
7cabd57c | 327 | #endif |
e852e889 | 328 | |
d1275afe | 329 | restart: |
b2bffca2 | 330 | len = __recvmsg (sock, &msg, 0); |
d1275afe AS |
331 | if (len >= 0) |
332 | { | |
333 | if (msg.msg_flags & MSG_CTRUNC || len == 0) | |
7b57bfe5 | 334 | return 0; |
d1275afe | 335 | else |
7b57bfe5 | 336 | return len; |
d1275afe AS |
337 | } |
338 | if (errno == EINTR) | |
339 | goto restart; | |
340 | return -1; | |
e852e889 UD |
341 | } |
342 | ||
343 | static int | |
d1275afe | 344 | __msgwrite (int sock, void *data, size_t cnt) |
e852e889 | 345 | { |
7ce241a0 | 346 | #ifndef SCM_CREDENTIALS |
e852e889 UD |
347 | /* We cannot implement this reliably. */ |
348 | __set_errno (ENOSYS); | |
786a5421 | 349 | return -1; |
e852e889 | 350 | #else |
d1275afe | 351 | struct iovec iov; |
e852e889 | 352 | struct msghdr msg; |
d1275afe AS |
353 | struct cmsghdr *cmsg = &cm.cmsg; |
354 | struct ucred cred; | |
355 | int len; | |
356 | ||
357 | /* XXX I'm not sure, if gete?id() is always correct, or if we should use | |
358 | get?id(). But since keyserv needs geteuid(), we have no other chance. | |
359 | It would be much better, if the kernel could pass both to the server. */ | |
360 | cred.pid = __getpid (); | |
361 | cred.uid = __geteuid (); | |
362 | cred.gid = __getegid (); | |
363 | ||
364 | memcpy (CMSG_DATA(cmsg), &cred, sizeof (struct ucred)); | |
365 | cmsg->cmsg_level = SOL_SOCKET; | |
366 | cmsg->cmsg_type = SCM_CREDENTIALS; | |
367 | cmsg->cmsg_len = sizeof(*cmsg) + sizeof(struct ucred); | |
368 | ||
369 | iov.iov_base = data; | |
370 | iov.iov_len = cnt; | |
371 | ||
372 | msg.msg_iov = &iov; | |
e852e889 UD |
373 | msg.msg_iovlen = 1; |
374 | msg.msg_name = NULL; | |
375 | msg.msg_namelen = 0; | |
d1275afe AS |
376 | msg.msg_control = cmsg; |
377 | msg.msg_controllen = CMSG_ALIGN(cmsg->cmsg_len); | |
e852e889 UD |
378 | msg.msg_flags = 0; |
379 | ||
d1275afe | 380 | restart: |
b2bffca2 | 381 | len = __sendmsg (sock, &msg, 0); |
d1275afe AS |
382 | if (len >= 0) |
383 | return len; | |
384 | if (errno == EINTR) | |
385 | goto restart; | |
386 | return -1; | |
387 | ||
e852e889 UD |
388 | #endif |
389 | } | |
390 | ||
e852e889 UD |
391 | /* |
392 | * reads data from the unix connection. | |
393 | * any error is fatal and the connection is closed. | |
394 | * (And a read of zero bytes is a half closed stream => error.) | |
395 | */ | |
396 | static int | |
397 | readunix (char *xprtptr, char *buf, int len) | |
398 | { | |
399 | SVCXPRT *xprt = (SVCXPRT *) xprtptr; | |
400 | int sock = xprt->xp_sock; | |
090ca000 UD |
401 | int milliseconds = 35 * 1000; |
402 | struct pollfd pollfd; | |
403 | ||
404 | do | |
e852e889 | 405 | { |
090ca000 UD |
406 | pollfd.fd = sock; |
407 | pollfd.events = POLLIN; | |
408 | switch (__poll (&pollfd, 1, milliseconds)) | |
e852e889 | 409 | { |
090ca000 | 410 | case -1: |
e852e889 UD |
411 | if (errno == EINTR) |
412 | continue; | |
090ca000 UD |
413 | /*FALLTHROUGH*/ |
414 | case 0: | |
e852e889 | 415 | goto fatal_err; |
090ca000 | 416 | default: |
f1317ef5 UD |
417 | if ((pollfd.revents & POLLERR) || (pollfd.revents & POLLHUP) |
418 | || (pollfd.revents & POLLNVAL)) | |
419 | goto fatal_err; | |
090ca000 | 420 | break; |
e852e889 | 421 | } |
e852e889 | 422 | } |
090ca000 | 423 | while ((pollfd.revents & POLLIN) == 0); |
e852e889 UD |
424 | |
425 | if ((len = __msgread (sock, buf, len)) > 0) | |
426 | return len; | |
427 | ||
428 | fatal_err: | |
429 | ((struct unix_conn *) (xprt->xp_p1))->strm_stat = XPRT_DIED; | |
430 | return -1; | |
431 | } | |
432 | ||
433 | /* | |
434 | * writes data to the unix connection. | |
435 | * Any error is fatal and the connection is closed. | |
436 | */ | |
437 | static int | |
438 | writeunix (char *xprtptr, char * buf, int len) | |
439 | { | |
440 | SVCXPRT *xprt = (SVCXPRT *) xprtptr; | |
441 | int i, cnt; | |
442 | ||
443 | for (cnt = len; cnt > 0; cnt -= i, buf += i) | |
444 | { | |
445 | if ((i = __msgwrite (xprt->xp_sock, buf, cnt)) < 0) | |
446 | { | |
447 | ((struct unix_conn *) (xprt->xp_p1))->strm_stat = XPRT_DIED; | |
448 | return -1; | |
449 | } | |
450 | } | |
451 | return len; | |
452 | } | |
453 | ||
454 | static enum xprt_stat | |
455 | svcunix_stat (SVCXPRT *xprt) | |
456 | { | |
457 | struct unix_conn *cd = | |
458 | (struct unix_conn *) (xprt->xp_p1); | |
459 | ||
460 | if (cd->strm_stat == XPRT_DIED) | |
461 | return XPRT_DIED; | |
7b57bfe5 | 462 | if (!xdrrec_eof (&(cd->xdrs))) |
e852e889 UD |
463 | return XPRT_MOREREQS; |
464 | return XPRT_IDLE; | |
465 | } | |
466 | ||
467 | static bool_t | |
468 | svcunix_recv (SVCXPRT *xprt, struct rpc_msg *msg) | |
469 | { | |
470 | struct unix_conn *cd = (struct unix_conn *) (xprt->xp_p1); | |
471 | XDR *xdrs = &(cd->xdrs); | |
472 | ||
473 | xdrs->x_op = XDR_DECODE; | |
7b57bfe5 UD |
474 | xdrrec_skiprecord (xdrs); |
475 | if (xdr_callmsg (xdrs, msg)) | |
e852e889 UD |
476 | { |
477 | cd->x_id = msg->rm_xid; | |
478 | /* set up verifiers */ | |
c5720a93 | 479 | #ifdef SCM_CREDENTIALS |
d1275afe | 480 | msg->rm_call.cb_verf.oa_flavor = AUTH_UNIX; |
e852e889 UD |
481 | msg->rm_call.cb_verf.oa_base = (caddr_t) &cm; |
482 | msg->rm_call.cb_verf.oa_length = sizeof (cm); | |
c5720a93 | 483 | #endif |
e852e889 UD |
484 | return TRUE; |
485 | } | |
486 | cd->strm_stat = XPRT_DIED; /* XXXX */ | |
487 | return FALSE; | |
488 | } | |
489 | ||
490 | static bool_t | |
491 | svcunix_getargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) | |
492 | { | |
493 | return (*xdr_args) (&(((struct unix_conn *) (xprt->xp_p1))->xdrs), | |
494 | args_ptr); | |
495 | } | |
496 | ||
497 | static bool_t | |
090ca000 | 498 | svcunix_freeargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) |
e852e889 UD |
499 | { |
500 | XDR *xdrs = &(((struct unix_conn *) (xprt->xp_p1))->xdrs); | |
501 | ||
502 | xdrs->x_op = XDR_FREE; | |
503 | return (*xdr_args) (xdrs, args_ptr); | |
504 | } | |
505 | ||
506 | static bool_t | |
090ca000 | 507 | svcunix_reply (SVCXPRT *xprt, struct rpc_msg *msg) |
e852e889 UD |
508 | { |
509 | struct unix_conn *cd = (struct unix_conn *) (xprt->xp_p1); | |
510 | XDR *xdrs = &(cd->xdrs); | |
511 | bool_t stat; | |
512 | ||
513 | xdrs->x_op = XDR_ENCODE; | |
514 | msg->rm_xid = cd->x_id; | |
7b57bfe5 UD |
515 | stat = xdr_replymsg (xdrs, msg); |
516 | (void) xdrrec_endofrecord (xdrs, TRUE); | |
e852e889 UD |
517 | return stat; |
518 | } |