3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/usr.sbin/ypserv/yp_server.c,v 1.40 2006/06/09 14:01:07 maxim Exp $
33 * $DragonFly: src/usr.sbin/ypserv/yp_server.c,v 1.4 2005/11/24 22:23:02 swildner Exp $
37 #include "yp_extern.h"
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <arpa/inet.h>
51 #define MASTER_STRING "YP_MASTER_NAME"
52 #define MASTER_SZ sizeof(MASTER_STRING) - 1
53 #define ORDER_STRING "YP_LAST_MODIFIED"
54 #define ORDER_SZ sizeof(ORDER_STRING) - 1
59 if (yp_pid
!= getpid()) {
60 yp_error("child %d trying to fork!", getpid());
69 * NIS v2 support. This is where most of the action happens.
73 ypproc_null_2_svc(void *argp
, struct svc_req
*rqstp
)
79 if (yp_access(NULL
, NULL
, (struct svc_req
*)rqstp
))
81 if (yp_access(NULL
, (struct svc_req
*)rqstp
))
87 return((void *) &result
);
91 ypproc_domain_2_svc(domainname
*argp
, struct svc_req
*rqstp
)
96 if (yp_access(NULL
, NULL
, (struct svc_req
*)rqstp
)) {
98 if (yp_access(NULL
, (struct svc_req
*)rqstp
)) {
104 if (argp
== NULL
|| yp_validdomain(*argp
))
113 ypproc_domain_nonack_2_svc(domainname
*argp
, struct svc_req
*rqstp
)
115 static bool_t result
;
118 if (yp_access(NULL
, NULL
, (struct svc_req
*)rqstp
))
120 if (yp_access(NULL
, (struct svc_req
*)rqstp
))
124 if (argp
== NULL
|| yp_validdomain(*argp
))
133 ypproc_match_2_svc(ypreq_key
*argp
, struct svc_req
*rqstp
)
135 static ypresp_val result
;
137 result
.val
.valdat_val
= "";
138 result
.val
.valdat_len
= 0;
141 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
143 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
145 result
.stat
= YP_YPERR
;
149 if (argp
->domain
== NULL
|| argp
->map
== NULL
) {
150 result
.stat
= YP_BADARGS
;
154 if (yp_select_map(argp
->map
, argp
->domain
, NULL
, 1) != YP_TRUE
) {
155 result
.stat
= yp_errno
;
159 result
.stat
= yp_getbykey(&argp
->key
, &result
.val
);
162 * Do DNS lookups for hosts maps if database lookup failed.
166 if (do_dns
&& result
.stat
!= YP_TRUE
&&
167 (yp_testflag(argp
->map
, argp
->domain
, YP_INTERDOMAIN
) ||
168 (strstr(argp
->map
, "hosts") || strstr(argp
->map
, "ipnodes")))) {
170 if (do_dns
&& result
.stat
!= YP_TRUE
&&
171 (strstr(argp
->map
, "hosts") || strstr(argp
->map
, "ipnodes"))) {
173 char nbuf
[YPMAXRECORD
];
175 /* NUL terminate! NUL terminate!! NUL TERMINATE!!! */
176 bcopy(argp
->key
.keydat_val
, nbuf
, argp
->key
.keydat_len
);
177 nbuf
[argp
->key
.keydat_len
] = '\0';
180 yp_error("doing DNS lookup of %s", nbuf
);
182 if (!strcmp(argp
->map
, "hosts.byname"))
183 result
.stat
= yp_async_lookup_name(rqstp
, nbuf
,
185 else if (!strcmp(argp
->map
, "hosts.byaddr"))
186 result
.stat
= yp_async_lookup_addr(rqstp
, nbuf
,
188 else if (!strcmp(argp
->map
, "ipnodes.byname"))
189 result
.stat
= yp_async_lookup_name(rqstp
, nbuf
,
191 else if (!strcmp(argp
->map
, "ipnodes.byaddr"))
192 result
.stat
= yp_async_lookup_addr(rqstp
, nbuf
,
195 if (result
.stat
== YP_TRUE
)
203 ypproc_first_2_svc(ypreq_nokey
*argp
, struct svc_req
*rqstp
)
205 static ypresp_key_val result
;
207 result
.val
.valdat_val
= result
.key
.keydat_val
= "";
208 result
.val
.valdat_len
= result
.key
.keydat_len
= 0;
211 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
213 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
215 result
.stat
= YP_YPERR
;
219 if (argp
->domain
== NULL
) {
220 result
.stat
= YP_BADARGS
;
224 if (yp_select_map(argp
->map
, argp
->domain
, NULL
, 0) != YP_TRUE
) {
225 result
.stat
= yp_errno
;
229 result
.stat
= yp_firstbykey(&result
.key
, &result
.val
);
235 ypproc_next_2_svc(ypreq_key
*argp
, struct svc_req
*rqstp
)
237 static ypresp_key_val result
;
239 result
.val
.valdat_val
= result
.key
.keydat_val
= "";
240 result
.val
.valdat_len
= result
.key
.keydat_len
= 0;
243 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
245 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
247 result
.stat
= YP_YPERR
;
251 if (argp
->domain
== NULL
|| argp
->map
== NULL
) {
252 result
.stat
= YP_BADARGS
;
256 if (yp_select_map(argp
->map
, argp
->domain
, &argp
->key
, 0) != YP_TRUE
) {
257 result
.stat
= yp_errno
;
261 result
.key
.keydat_len
= argp
->key
.keydat_len
;
262 result
.key
.keydat_val
= argp
->key
.keydat_val
;
264 result
.stat
= yp_nextbykey(&result
.key
, &result
.val
);
270 ypxfr_callback(ypxfrstat rval
, struct sockaddr_in
*addr
, unsigned int transid
,
271 unsigned int prognum
, unsigned long port
)
274 int sock
= RPC_ANYSOCK
;
275 struct timeval timeout
;
276 yppushresp_xfr ypxfr_resp
;
281 addr
->sin_port
= htons(port
);
283 if ((clnt
= clntudp_create(addr
,prognum
,1,timeout
,&sock
)) == NULL
) {
284 yp_error("%s: %s", inet_ntoa(addr
->sin_addr
),
285 clnt_spcreateerror("failed to establish callback handle"));
289 ypxfr_resp
.status
= rval
;
290 ypxfr_resp
.transid
= transid
;
292 /* Turn the timeout off -- we don't want to block. */
294 if (clnt_control(clnt
, CLSET_TIMEOUT
, &timeout
) == FALSE
)
295 yp_error("failed to set timeout on ypproc_xfr callback");
297 if (yppushproc_xfrresp_1(&ypxfr_resp
, clnt
) == NULL
) {
298 clnt_geterr(clnt
, &err
);
299 if (err
.re_status
!= RPC_SUCCESS
&&
300 err
.re_status
!= RPC_TIMEDOUT
)
301 yp_error("%s", clnt_sperror(clnt
,
302 "ypxfr callback failed"));
309 #define YPXFR_RETURN(CODE) \
310 /* Order is important: send regular RPC reply, then callback */ \
311 result.xfrstat = CODE; \
312 svc_sendreply(rqstp->rq_xprt, (xdrproc_t)xdr_ypresp_xfr, &result); \
313 ypxfr_callback(CODE,rqhost,argp->transid, \
314 argp->prog,argp->port); \
318 ypproc_xfr_2_svc(ypreq_xfr
*argp
, struct svc_req
*rqstp
)
320 static ypresp_xfr result
;
321 struct sockaddr_in
*rqhost
;
325 result
.transid
= argp
->transid
;
326 rqhost
= svc_getcaller(rqstp
->rq_xprt
);
329 if (yp_access(argp
->map_parms
.map
,
330 argp
->map_parms
.domain
, (struct svc_req
*)rqstp
)) {
332 if (yp_access(argp
->map_parms
.map
, (struct svc_req
*)rqstp
)) {
334 YPXFR_RETURN(YPXFR_REFUSED
)
338 if (argp
->map_parms
.domain
== NULL
) {
339 YPXFR_RETURN(YPXFR_BADARGS
)
342 if (yp_validdomain(argp
->map_parms
.domain
)) {
343 YPXFR_RETURN(YPXFR_NODOM
)
347 * Determine the master host ourselves. The caller may
348 * be up to no good. This has the side effect of verifying
349 * that the requested map and domain actually exist.
352 mreq
.domain
= argp
->map_parms
.domain
;
353 mreq
.map
= argp
->map_parms
.map
;
355 mres
= ypproc_master_2_svc(&mreq
, rqstp
);
357 if (mres
->stat
!= YP_TRUE
) {
358 yp_error("couldn't find master for map %s@%s",
360 argp
->map_parms
.domain
);
361 yp_error("host at %s (%s) may be pulling my leg",
362 argp
->map_parms
.peer
,
363 inet_ntoa(rqhost
->sin_addr
));
364 YPXFR_RETURN(YPXFR_REFUSED
)
370 char g
[11], t
[11], p
[11];
371 char ypxfr_command
[MAXPATHLEN
+ 2];
373 snprintf (ypxfr_command
, sizeof(ypxfr_command
), "%sypxfr", _PATH_LIBEXEC
);
374 snprintf (t
, sizeof(t
), "%u", argp
->transid
);
375 snprintf (g
, sizeof(g
), "%u", argp
->prog
);
376 snprintf (p
, sizeof(p
), "%u", argp
->port
);
378 close(0); close(1); close(2);
380 if (strcmp(yp_dir
, _PATH_YP
)) {
381 execl(ypxfr_command
, "ypxfr",
382 "-d", argp
->map_parms
.domain
,
384 "-p", yp_dir
, "-C", t
,
385 g
, inet_ntoa(rqhost
->sin_addr
),
386 p
, argp
->map_parms
.map
,
389 execl(ypxfr_command
, "ypxfr",
390 "-d", argp
->map_parms
.domain
,
393 g
, inet_ntoa(rqhost
->sin_addr
),
394 p
, argp
->map_parms
.map
,
397 yp_error("ypxfr execl(%s): %s", ypxfr_command
, strerror(errno
));
398 YPXFR_RETURN(YPXFR_XFRERR
)
400 * Just to safe, prevent PR #10970 from biting us in
401 * the unlikely case that execing ypxfr fails. We don't
402 * want to have any child processes spawned from this
409 yp_error("ypxfr fork(): %s", strerror(errno
));
410 YPXFR_RETURN(YPXFR_XFRERR
)
413 result
.xfrstat
= YPXFR_SUCC
;
423 ypproc_clear_2_svc(void *argp
, struct svc_req
*rqstp
)
425 static char * result
;
426 static char rval
= 0;
429 if (yp_access(NULL
, NULL
, (struct svc_req
*)rqstp
))
431 if (yp_access(NULL
, (struct svc_req
*)rqstp
))
435 /* clear out the database cache */
438 /* Re-read the securenets database for the hell of it. */
442 return((void *) &result
);
446 * For ypproc_all, we have to send a stream of ypresp_all structures
447 * via TCP, but the XDR filter generated from the yp.x protocol
448 * definition file only serializes one such structure. This means that
449 * to send the whole stream, you need a wrapper which feeds all the
450 * records into the underlying XDR routine until it hits an 'EOF.'
451 * But to use the wrapper, you have to violate the boundaries between
452 * RPC layers by calling svc_sendreply() directly from the ypproc_all
453 * service routine instead of letting the RPC dispatcher do it.
459 * Custom XDR routine for serialzing results of ypproc_all: keep
460 * reading from the database and spew until we run out of records
461 * or encounter an error.
464 xdr_my_ypresp_all(XDR
*xdrs
, ypresp_all
*objp
)
468 if ((objp
->ypresp_all_u
.val
.stat
=
469 yp_nextbykey(&objp
->ypresp_all_u
.val
.key
,
470 &objp
->ypresp_all_u
.val
.val
)) == YP_TRUE
) {
477 if (!xdr_ypresp_all(xdrs
, objp
))
479 if (objp
->more
== FALSE
)
485 ypproc_all_2_svc(ypreq_nokey
*argp
, struct svc_req
*rqstp
)
487 static ypresp_all result
;
490 * Set this here so that the client will be forced to make
491 * at least one attempt to read from us even if all we're
492 * doing is returning an error.
495 result
.ypresp_all_u
.val
.key
.keydat_len
= 0;
496 result
.ypresp_all_u
.val
.key
.keydat_val
= "";
499 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
501 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
503 result
.ypresp_all_u
.val
.stat
= YP_YPERR
;
507 if (argp
->domain
== NULL
|| argp
->map
== NULL
) {
508 result
.ypresp_all_u
.val
.stat
= YP_BADARGS
;
513 * XXX If we hit the child limit, fail the request.
514 * If we don't, and the map is large, we could block for
515 * a long time in the parent.
517 if (children
>= MAX_CHILDREN
) {
518 result
.ypresp_all_u
.val
.stat
= YP_YPERR
;
523 * The ypproc_all procedure can take a while to complete.
524 * Best to handle it in a subprocess so the parent doesn't
525 * block. (Is there a better way to do this? Maybe with
533 yp_error("ypall fork(): %s", strerror(errno
));
534 result
.ypresp_all_u
.val
.stat
= YP_YPERR
;
545 * Fix for PR #10971: don't let the child ypserv share
546 * DB handles with the parent process.
552 if (yp_select_map(argp
->map
, argp
->domain
,
553 &result
.ypresp_all_u
.val
.key
, 0) != YP_TRUE
) {
554 result
.ypresp_all_u
.val
.stat
= yp_errno
;
558 /* Kick off the actual data transfer. */
559 svc_sendreply(rqstp
->rq_xprt
, (xdrproc_t
)xdr_my_ypresp_all
, &result
);
562 * Proper fix for PR #10970: exit here so that we don't risk
563 * having a child spawned from this sub-process.
569 ypproc_master_2_svc(ypreq_nokey
*argp
, struct svc_req
*rqstp
)
571 static ypresp_master result
;
572 static char ypvalbuf
[YPMAXRECORD
];
573 keydat key
= { MASTER_SZ
, MASTER_STRING
};
579 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
581 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
583 result
.stat
= YP_YPERR
;
587 if (argp
->domain
== NULL
) {
588 result
.stat
= YP_BADARGS
;
592 if (yp_select_map(argp
->map
, argp
->domain
, &key
, 1) != YP_TRUE
) {
593 result
.stat
= yp_errno
;
598 * Note that we copy the data retrieved from the database to
599 * a private buffer and NUL terminate the buffer rather than
600 * terminating the data in place. We do this because by stuffing
601 * a '\0' into data.data, we will actually be corrupting memory
602 * allocated by the DB package. This is a bad thing now that we
603 * cache DB handles rather than closing the database immediately.
605 result
.stat
= yp_getbykey(&key
, &val
);
606 if (result
.stat
== YP_TRUE
) {
607 bcopy(val
.valdat_val
, &ypvalbuf
, val
.valdat_len
);
608 ypvalbuf
[val
.valdat_len
] = '\0';
609 result
.peer
= ypvalbuf
;
617 ypproc_order_2_svc(ypreq_nokey
*argp
, struct svc_req
*rqstp
)
619 static ypresp_order result
;
620 keydat key
= { ORDER_SZ
, ORDER_STRING
};
626 if (yp_access(argp
->map
, argp
->domain
, (struct svc_req
*)rqstp
)) {
628 if (yp_access(argp
->map
, (struct svc_req
*)rqstp
)) {
630 result
.stat
= YP_YPERR
;
634 if (argp
->domain
== NULL
) {
635 result
.stat
= YP_BADARGS
;
640 * We could just check the timestamp on the map file,
641 * but that's a hack: we'll only know the last time the file
642 * was touched, not the last time the database contents were
646 if (yp_select_map(argp
->map
, argp
->domain
, &key
, 1) != YP_TRUE
) {
647 result
.stat
= yp_errno
;
651 result
.stat
= yp_getbykey(&key
, &val
);
653 if (result
.stat
== YP_TRUE
)
654 result
.ordernum
= atoi(val
.valdat_val
);
662 yp_maplist_free(struct ypmaplist
*yp_maplist
)
664 struct ypmaplist
*next
;
667 next
= yp_maplist
->next
;
668 free(yp_maplist
->map
);
675 static struct ypmaplist
*
676 yp_maplist_create(const char *domain
)
678 char yp_mapdir
[MAXPATHLEN
+ 2];
679 char yp_mapname
[MAXPATHLEN
+ 2];
680 struct ypmaplist
*cur
= NULL
;
681 struct ypmaplist
*yp_maplist
= NULL
;
686 snprintf(yp_mapdir
, sizeof(yp_mapdir
), "%s/%s", yp_dir
, domain
);
688 if ((dird
= opendir(yp_mapdir
)) == NULL
) {
689 yp_error("opendir(%s) failed: %s", yp_mapdir
, strerror(errno
));
693 while ((dirp
= readdir(dird
)) != NULL
) {
694 if (strcmp(dirp
->d_name
, ".") && strcmp(dirp
->d_name
, "..")) {
695 snprintf(yp_mapname
, sizeof(yp_mapname
), "%s/%s",
696 yp_mapdir
,dirp
->d_name
);
697 if (stat(yp_mapname
, &statbuf
) < 0 ||
698 !S_ISREG(statbuf
.st_mode
))
700 if ((cur
= (struct ypmaplist
*)
701 malloc(sizeof(struct ypmaplist
))) == NULL
) {
702 yp_error("malloc() failed");
704 yp_maplist_free(yp_maplist
);
707 if ((cur
->map
= strdup(dirp
->d_name
)) == NULL
) {
708 yp_error("strdup() failed: %s",strerror(errno
));
710 yp_maplist_free(yp_maplist
);
713 cur
->next
= yp_maplist
;
716 yp_error("map: %s", yp_maplist
->map
);
725 ypproc_maplist_2_svc(domainname
*argp
, struct svc_req
*rqstp
)
727 static ypresp_maplist result
= { 0, NULL
};
730 if (yp_access(NULL
, NULL
, (struct svc_req
*)rqstp
)) {
732 if (yp_access(NULL
, (struct svc_req
*)rqstp
)) {
734 result
.stat
= YP_YPERR
;
739 result
.stat
= YP_BADARGS
;
743 if (yp_validdomain(*argp
)) {
744 result
.stat
= YP_NODOM
;
749 * We have to construct a linked list for the ypproc_maplist
750 * procedure using dynamically allocated memory. Since the XDR
751 * layer won't free this list for us, we have to deal with it
752 * ourselves. We call yp_maplist_free() first to free any
753 * previously allocated data we may have accumulated to insure
754 * that we have only one linked list in memory at any given
758 yp_maplist_free(result
.maps
);
760 if ((result
.maps
= yp_maplist_create(*argp
)) == NULL
) {
761 yp_error("yp_maplist_create failed");
762 result
.stat
= YP_YPERR
;
765 result
.stat
= YP_TRUE
;
771 * NIS v1 support. The nullproc, domain and domain_nonack
772 * functions from v1 are identical to those in v2, so all
773 * we have to do is hand off to them.
775 * The other functions are mostly just wrappers around their v2
776 * counterparts. For example, for the v1 'match' procedure, we
777 * crack open the argument structure, make a request to the v2
778 * 'match' function, repackage the data into a v1 response and
779 * then send it on its way.
781 * Note that we don't support the pull, push and get procedures.
782 * There's little documentation available to show what they
783 * do, and I suspect they're meant largely for map transfers
784 * between master and slave servers.
788 ypoldproc_null_1_svc(void *argp
, struct svc_req
*rqstp
)
790 return(ypproc_null_2_svc(argp
, rqstp
));
794 ypoldproc_domain_1_svc(domainname
*argp
, struct svc_req
*rqstp
)
796 return(ypproc_domain_2_svc(argp
, rqstp
));
800 ypoldproc_domain_nonack_1_svc(domainname
*argp
, struct svc_req
*rqstp
)
802 return (ypproc_domain_nonack_2_svc(argp
, rqstp
));
806 * the 'match' procedure sends a response of type YPRESP_VAL
809 ypoldproc_match_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
811 static ypresponse result
;
812 ypresp_val
*v2_result
;
814 result
.yp_resptype
= YPRESP_VAL
;
815 result
.ypresponse_u
.yp_resp_valtype
.val
.valdat_val
= "";
816 result
.ypresponse_u
.yp_resp_valtype
.val
.valdat_len
= 0;
818 if (argp
->yp_reqtype
!= YPREQ_KEY
) {
819 result
.ypresponse_u
.yp_resp_valtype
.stat
= YP_BADARGS
;
823 v2_result
= ypproc_match_2_svc(&argp
->yprequest_u
.yp_req_keytype
,rqstp
);
824 if (v2_result
== NULL
)
827 bcopy(v2_result
, &result
.ypresponse_u
.yp_resp_valtype
,
834 * the 'first' procedure sends a response of type YPRESP_KEY_VAL
837 ypoldproc_first_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
839 static ypresponse result
;
840 ypresp_key_val
*v2_result
;
842 result
.yp_resptype
= YPRESP_KEY_VAL
;
843 result
.ypresponse_u
.yp_resp_key_valtype
.val
.valdat_val
=
844 result
.ypresponse_u
.yp_resp_key_valtype
.key
.keydat_val
= "";
845 result
.ypresponse_u
.yp_resp_key_valtype
.val
.valdat_len
=
846 result
.ypresponse_u
.yp_resp_key_valtype
.key
.keydat_len
= 0;
848 if (argp
->yp_reqtype
!= YPREQ_NOKEY
) {
849 result
.ypresponse_u
.yp_resp_key_valtype
.stat
= YP_BADARGS
;
853 v2_result
= ypproc_first_2_svc(&argp
->yprequest_u
.yp_req_nokeytype
,
855 if (v2_result
== NULL
)
858 bcopy(v2_result
, &result
.ypresponse_u
.yp_resp_key_valtype
,
859 sizeof(ypresp_key_val
));
865 * the 'next' procedure sends a response of type YPRESP_KEY_VAL
868 ypoldproc_next_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
870 static ypresponse result
;
871 ypresp_key_val
*v2_result
;
873 result
.yp_resptype
= YPRESP_KEY_VAL
;
874 result
.ypresponse_u
.yp_resp_key_valtype
.val
.valdat_val
=
875 result
.ypresponse_u
.yp_resp_key_valtype
.key
.keydat_val
= "";
876 result
.ypresponse_u
.yp_resp_key_valtype
.val
.valdat_len
=
877 result
.ypresponse_u
.yp_resp_key_valtype
.key
.keydat_len
= 0;
879 if (argp
->yp_reqtype
!= YPREQ_KEY
) {
880 result
.ypresponse_u
.yp_resp_key_valtype
.stat
= YP_BADARGS
;
884 v2_result
= ypproc_next_2_svc(&argp
->yprequest_u
.yp_req_keytype
,rqstp
);
885 if (v2_result
== NULL
)
888 bcopy(v2_result
, &result
.ypresponse_u
.yp_resp_key_valtype
,
889 sizeof(ypresp_key_val
));
895 * the 'poll' procedure sends a response of type YPRESP_MAP_PARMS
898 ypoldproc_poll_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
900 static ypresponse result
;
901 ypresp_master
*v2_result1
;
902 ypresp_order
*v2_result2
;
904 result
.yp_resptype
= YPRESP_MAP_PARMS
;
905 result
.ypresponse_u
.yp_resp_map_parmstype
.domain
=
906 argp
->yprequest_u
.yp_req_nokeytype
.domain
;
907 result
.ypresponse_u
.yp_resp_map_parmstype
.map
=
908 argp
->yprequest_u
.yp_req_nokeytype
.map
;
910 * Hmm... there is no 'status' value in the
911 * yp_resp_map_parmstype structure, so I have to
912 * guess at what to do to indicate a failure.
913 * I hope this is right.
915 result
.ypresponse_u
.yp_resp_map_parmstype
.ordernum
= 0;
916 result
.ypresponse_u
.yp_resp_map_parmstype
.peer
= "";
918 if (argp
->yp_reqtype
!= YPREQ_MAP_PARMS
) {
922 v2_result1
= ypproc_master_2_svc(&argp
->yprequest_u
.yp_req_nokeytype
,
924 if (v2_result1
== NULL
)
927 if (v2_result1
->stat
!= YP_TRUE
) {
931 v2_result2
= ypproc_order_2_svc(&argp
->yprequest_u
.yp_req_nokeytype
,
933 if (v2_result2
== NULL
)
936 if (v2_result2
->stat
!= YP_TRUE
) {
940 result
.ypresponse_u
.yp_resp_map_parmstype
.peer
=
942 result
.ypresponse_u
.yp_resp_map_parmstype
.ordernum
=
943 v2_result2
->ordernum
;
949 ypoldproc_push_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
951 static ypresponse result
;
961 ypoldproc_pull_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
963 static ypresponse result
;
973 ypoldproc_get_1_svc(yprequest
*argp
, struct svc_req
*rqstp
)
975 static ypresponse result
;