Bug Summary

File:src/usr.sbin/ypserv/ypserv/ypserv.c
Warning:line 521, column 8
5th function call argument is an uninitialized value

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name ypserv.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/usr.sbin/ypserv/ypserv/obj -resource-dir /usr/local/lib/clang/13.0.0 -D DAEMON -D OPTDB -I /usr/src/usr.sbin/ypserv/ypserv/../common -I . -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/usr.sbin/ypserv/ypserv/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c /usr/src/usr.sbin/ypserv/ypserv/ypserv.c
1/* $OpenBSD: ypserv.c,v 1.44 2015/11/17 18:21:48 tedu Exp $ */
2
3/*
4 * Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/types.h>
30#include <sys/socket.h>
31#include <sys/ioctl.h>
32#include <netinet/in.h>
33#include <rpcsvc/yp.h>
34#include "ypv1.h"
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include <netdb.h>
39#include <signal.h>
40#include <errno(*__errno()).h>
41#include <util.h>
42#include <unistd.h>
43#include <fcntl.h>
44#include <rpc/pmap_clnt.h>
45#include <ndbm.h>
46#include <syslog.h>
47#include "acl.h"
48#include "yplog.h"
49#include "ypdef.h"
50#include "ypserv.h"
51#include <sys/wait.h>
52
53void ypdb_init(void);
54
55#ifdef DEBUG
56#define RPC_SVC_FG
57#endif
58
59#define _RPCSVC_CLOSEDOWN120 120
60static int _rpcpmstart; /* Started by a port monitor ? */
61static int _rpcfdtype; /* Whether Stream or Datagram ? */
62static int _rpcsvcdirty; /* Still serving ? */
63
64int usedns = FALSE(0);
65char *aclfile = NULL0;
66
67void sig_child(int);
68void sig_hup(int);
69volatile sig_atomic_t wantsighup;
70
71static void
72_msgout(char *msg)
73{
74#ifdef RPC_SVC_FG
75 if (_rpcpmstart)
76 syslog(LOG_ERR3, "%s", msg);
77 else
78 (void) fprintf(stderr(&__sF[2]), "%s\n", msg);
79#else
80 syslog(LOG_ERR3, "%s", msg);
81#endif
82}
83
84/* ARGSUSED */
85static void
86closedown(int sig)
87{
88 int save_errno = errno(*__errno());
89
90 if (_rpcsvcdirty == 0) {
91 int i, openfd;
92
93 if (_rpcfdtype == SOCK_DGRAM2)
94 exit(0);
95 for (i = 0, openfd = 0; i < svc_max_pollfd && openfd < 2; i++)
96 if (svc_pollfd[i].fd != -1)
97 openfd++;
98 if (openfd <= (_rpcpmstart ? 0 : 1))
99 _exit(0);
100 }
101 (void) alarm(_RPCSVC_CLOSEDOWN120);
102 errno(*__errno()) = save_errno;
103}
104
105static void
106ypprog_1(struct svc_req *rqstp, SVCXPRT *transp)
107{
108 union {
109 domainname ypoldproc_domain_1_arg;
110 domainname ypoldproc_domain_nonack_1_arg;
111 yprequest ypoldproc_match_1_arg;
112 yprequest ypoldproc_first_1_arg;
113 yprequest ypoldproc_next_1_arg;
114 yprequest ypoldproc_poll_1_arg;
115 yprequest ypoldproc_push_1_arg;
116 yprequest ypoldproc_pull_1_arg;
117 yprequest ypoldproc_get_1_arg;
118 } argument;
119 char *result;
120 xdrproc_t xdr_argument, xdr_result;
121 char *(*local)(char *, struct svc_req *);
122
123 _rpcsvcdirty = 1;
124 switch (rqstp->rq_proc) {
125 case YPOLDPROC_NULL((u_long)0):
126 xdr_argument = (xdrproc_t) xdr_void;
127 xdr_result = (xdrproc_t) xdr_void;
128 local = (char *(*)(char *, struct svc_req *)) ypoldproc_null_1_svc;
129 break;
130
131 case YPOLDPROC_DOMAIN((u_long)1):
132 xdr_argument = (xdrproc_t) xdr_domainname;
133 xdr_result = (xdrproc_t) xdr_bool;
134 local = (char *(*)(char *, struct svc_req *)) ypoldproc_domain_1_svc;
135 break;
136
137 case YPOLDPROC_DOMAIN_NONACK((u_long)2):
138 xdr_argument = (xdrproc_t) xdr_domainname;
139 xdr_result = (xdrproc_t) xdr_bool;
140 local = (char *(*)(char *, struct svc_req *)) ypoldproc_domain_nonack_1_svc;
141 break;
142
143 case YPOLDPROC_MATCH((u_long)3):
144 xdr_argument = (xdrproc_t) xdr_yprequest;
145 xdr_result = (xdrproc_t) xdr_ypresponse;
146 local = (char *(*)(char *, struct svc_req *)) ypoldproc_match_1_svc;
147 break;
148
149 case YPOLDPROC_FIRST((u_long)4):
150 xdr_argument = (xdrproc_t) xdr_yprequest;
151 xdr_result = (xdrproc_t) xdr_ypresponse;
152 local = (char *(*)(char *, struct svc_req *)) ypoldproc_first_1_svc;
153 break;
154
155 case YPOLDPROC_NEXT((u_long)5):
156 xdr_argument = (xdrproc_t) xdr_yprequest;
157 xdr_result = (xdrproc_t) xdr_ypresponse;
158 local = (char *(*)(char *, struct svc_req *)) ypoldproc_next_1_svc;
159 break;
160
161 case YPOLDPROC_POLL((u_long)6):
162 xdr_argument = (xdrproc_t) xdr_yprequest;
163 xdr_result = (xdrproc_t) xdr_ypresponse;
164 local = (char *(*)(char *, struct svc_req *)) ypoldproc_poll_1_svc;
165 break;
166
167 case YPOLDPROC_PUSH((u_long)7):
168 xdr_argument = (xdrproc_t) xdr_yprequest;
169 xdr_result = (xdrproc_t) xdr_void;
170 local = (char *(*)(char *, struct svc_req *)) ypoldproc_push_1_svc;
171 break;
172
173 case YPOLDPROC_PULL((u_long)8):
174 xdr_argument = (xdrproc_t) xdr_yprequest;
175 xdr_result = (xdrproc_t) xdr_void;
176 local = (char *(*)(char *, struct svc_req *)) ypoldproc_pull_1_svc;
177 break;
178
179 case YPOLDPROC_GET((u_long)9):
180 xdr_argument = (xdrproc_t) xdr_yprequest;
181 xdr_result = (xdrproc_t) xdr_void;
182 local = (char *(*)(char *, struct svc_req *)) ypoldproc_get_1_svc;
183 break;
184
185 default:
186 svcerr_noproc(transp);
187 _rpcsvcdirty = 0;
188 return;
189 }
190 (void) memset(&argument, 0, sizeof(argument));
191 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)(*(transp)->xp_ops->xp_getargs)((transp), (xdr_argument
), ((caddr_t)&argument))) {
192 svcerr_decode(transp);
193 _rpcsvcdirty = 0;
194 return;
195 }
196 result = (*local)((char *)&argument, rqstp);
197 if (result != NULL0 && !svc_sendreply(transp, xdr_result, result)) {
198 svcerr_systemerr(transp);
199 }
200 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)(*(transp)->xp_ops->xp_freeargs)((transp), (xdr_argument
), ((caddr_t)&argument))) {
201 _msgout("unable to free arguments");
202 exit(1);
203 }
204 _rpcsvcdirty = 0;
205}
206
207static void
208ypprog_2(struct svc_req *rqstp, SVCXPRT *transp)
209{
210 union {
211 domainname ypproc_domain_2_arg;
212 domainname ypproc_domain_nonack_2_arg;
213 ypreq_key ypproc_match_2_arg;
214 ypreq_nokey ypproc_first_2_arg;
215 ypreq_key ypproc_next_2_arg;
216 ypreq_xfr ypproc_xfr_2_arg;
217 ypreq_nokey ypproc_all_2_arg;
218 ypreq_nokey ypproc_master_2_arg;
219 ypreq_nokey ypproc_order_2_arg;
220 domainname ypproc_maplist_2_arg;
221 } argument;
222 char *result;
223 xdrproc_t xdr_argument, xdr_result;
224 char *(*local)(char *, struct svc_req *);
225
226 _rpcsvcdirty = 1;
227 switch (rqstp->rq_proc) {
228 case YPPROC_NULL((u_long)0):
229 xdr_argument = (xdrproc_t) xdr_void;
230 xdr_result = (xdrproc_t) xdr_void;
231 local = (char *(*)(char *, struct svc_req *)) ypproc_null_2_svc;
232 break;
233
234 case YPPROC_DOMAIN((u_long)1):
235 xdr_argument = (xdrproc_t) xdr_domainname;
236 xdr_result = (xdrproc_t) xdr_bool;
237 local = (char *(*)(char *, struct svc_req *)) ypproc_domain_2_svc;
238 break;
239
240 case YPPROC_DOMAIN_NONACK((u_long)2):
241 xdr_argument = (xdrproc_t) xdr_domainname;
242 xdr_result = (xdrproc_t) xdr_bool;
243 local = (char *(*)(char *, struct svc_req *)) ypproc_domain_nonack_2_svc;
244 break;
245
246 case YPPROC_MATCH((u_long)3):
247 xdr_argument = (xdrproc_t) xdr_ypreq_key;
248 xdr_result = (xdrproc_t) xdr_ypresp_val;
249 local = (char *(*)(char *, struct svc_req *)) ypproc_match_2_svc;
250 break;
251
252 case YPPROC_FIRST((u_long)4):
253 xdr_argument = (xdrproc_t) xdr_ypreq_nokey;
254 xdr_result = (xdrproc_t) xdr_ypresp_key_val;
255 local = (char *(*)(char *, struct svc_req *)) ypproc_first_2_svc;
256 break;
257
258 case YPPROC_NEXT((u_long)5):
259 xdr_argument = (xdrproc_t) xdr_ypreq_key;
260 xdr_result = (xdrproc_t) xdr_ypresp_key_val;
261 local = (char *(*)(char *, struct svc_req *)) ypproc_next_2_svc;
262 break;
263
264 case YPPROC_XFR((u_long)6):
265 xdr_argument = (xdrproc_t) xdr_ypreq_xfr;
266 xdr_result = (xdrproc_t) xdr_ypresp_xfr;
267 local = (char *(*)(char *, struct svc_req *)) ypproc_xfr_2_svc;
268 break;
269
270 case YPPROC_CLEAR((u_long)7):
271 xdr_argument = (xdrproc_t) xdr_void;
272 xdr_result = (xdrproc_t) xdr_void;
273 local = (char *(*)(char *, struct svc_req *)) ypproc_clear_2_svc;
274 break;
275
276 case YPPROC_ALL((u_long)8):
277 xdr_argument = (xdrproc_t) xdr_ypreq_nokey;
278 xdr_result = (xdrproc_t) xdr_ypresp_all;
279 local = (char *(*)(char *, struct svc_req *)) ypproc_all_2_svc;
280 break;
281
282 case YPPROC_MASTER((u_long)9):
283 xdr_argument = (xdrproc_t) xdr_ypreq_nokey;
284 xdr_result = (xdrproc_t) xdr_ypresp_master;
285 local = (char *(*)(char *, struct svc_req *)) ypproc_master_2_svc;
286 break;
287
288 case YPPROC_ORDER((u_long)10):
289 xdr_argument = (xdrproc_t) xdr_ypreq_nokey;
290 xdr_result = (xdrproc_t) xdr_ypresp_order;
291 local = (char *(*)(char *, struct svc_req *)) ypproc_order_2_svc;
292 break;
293
294 case YPPROC_MAPLIST((u_long)11):
295 xdr_argument = (xdrproc_t) xdr_domainname;
296 xdr_result = (xdrproc_t) xdr_ypresp_maplist;
297 local = (char *(*)(char *, struct svc_req *)) ypproc_maplist_2_svc;
298 break;
299
300 default:
301 svcerr_noproc(transp);
302 _rpcsvcdirty = 0;
303 return;
304 }
305 (void) memset(&argument, 0, sizeof(argument));
306 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)(*(transp)->xp_ops->xp_getargs)((transp), (xdr_argument
), ((caddr_t)&argument))) {
307 svcerr_decode(transp);
308 _rpcsvcdirty = 0;
309 return;
310 }
311 result = (*local)((char *)&argument, rqstp);
312 if (result != NULL0 && !svc_sendreply(transp, xdr_result, result)) {
313 svcerr_systemerr(transp);
314 }
315 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)(*(transp)->xp_ops->xp_freeargs)((transp), (xdr_argument
), ((caddr_t)&argument))) {
316 _msgout("unable to free arguments");
317 exit(1);
318 }
319 _rpcsvcdirty = 0;
320}
321
322static void
323hup(void)
324{
325 /* Handle the log. */
326 ypcloselog();
327 ypopenlog();
328
329 acl_reset();
330 if (aclfile != NULL0) {
331 yplog("sig_hup: reread %s", aclfile);
332 (void)acl_init(aclfile);
333 } else {
334 yplog("sig_hup: reread %s", YP_SECURENET_FILE"/var/yp/securenet");
335 (void)acl_securenet(YP_SECURENET_FILE"/var/yp/securenet");
336 }
337
338 ypdb_close_all();
339}
340
341static void
342my_svc_run(void)
343{
344 struct pollfd *pfd = NULL0, *newp;
345 int nready, saved_max_pollfd = 0;
346
347 for (;;) {
348 if (wantsighup) {
349 wantsighup = 0;
350 hup();
351 }
352 if (svc_max_pollfd > saved_max_pollfd) {
353 newp = reallocarray(pfd, svc_max_pollfd, sizeof(*pfd));
354 if (newp == NULL0) {
355 free(pfd);
356 perror("svc_run: - realloc failed");
357 return;
358 }
359 pfd = newp;
360 saved_max_pollfd = svc_max_pollfd;
361 }
362 memcpy(pfd, svc_pollfd, sizeof(*pfd) * svc_max_pollfd);
363
364 nready = poll(pfd, svc_max_pollfd, INFTIM(-1));
365 switch (nready) {
366 case -1:
367 if (errno(*__errno()) == EINTR4)
368 continue;
369 perror("svc_run: - poll failed");
370 free(pfd);
371 return;
372 case 0:
373 continue;
374 default:
375 svc_getreq_poll(pfd, nready);
376 }
377 }
378}
379
380static void
381usage(void)
382{
383 (void)fprintf(stderr(&__sF[2]), "usage: ypserv [-1dx] [-a aclfile]\n");
384 exit(1);
385}
386
387int
388main(int argc, char *argv[])
389{
390 int xflag = 0, allowv1 = 0, ch, sock, proto;
1
'proto' declared without an initial value
→
391 struct sockaddr_in saddr;
392 socklen_t asize = sizeof(saddr);
393 extern char *optarg;
394 SVCXPRT *transp = NULL0;
395
396 while ((ch = getopt(argc, argv, "1a:dx")) != -1)
2
←
Assuming the condition is false
→
3
←
Loop condition is false. Execution continues on line 415
→
397 switch (ch) {
398 case '1':
399 allowv1 = TRUE(1);
400 break;
401 case 'a':
402 aclfile = optarg;
403 break;
404 case 'd':
405 usedns = TRUE(1);
406 break;
407 case 'x':
408 xflag = TRUE(1);
409 break;
410 default:
411 usage();
412 break;
413 }
414
415 if (geteuid() != 0) {
4
←
Assuming the condition is false
→
5
←
Taking false branch
→
416 (void)fprintf(stderr(&__sF[2]), "ypserv: must be root to run.\n");
417 exit(1);
418 }
419
420 if (aclfile
5.1
'aclfile' is equal to NULL
 != NULL0)
6
←
Taking false branch
→
421 (void)acl_init(aclfile);
422 else
423 (void)acl_securenet(YP_SECURENET_FILE"/var/yp/securenet");
424
425 if (xflag
6.1
'xflag' is 0
)
7
←
Taking false branch
→
426 exit(1);
427
428 if (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {
8
←
Assuming the condition is false
→
9
←
Taking false branch
→
429 socklen_t ssize = sizeof(int);
430
431 if (saddr.sin_family != AF_INET2)
432 exit(1);
433 if (getsockopt(0, SOL_SOCKET0xffff, SO_TYPE0x1008,
434 &_rpcfdtype, &ssize) == -1)
435 exit(1);
436 sock = 0;
437 _rpcpmstart = 1;
438 proto = 0;
439 openlog("ypserv", LOG_PID0x01, LOG_DAEMON(3<<3));
440 } else {
441#ifndef RPC_SVC_FG
442 int i;
443 pid_t pid;
444
445 pid = fork();
446 if (pid < 0) {
10
←
Assuming 'pid' is >= 0
→
11
←
Taking false branch
→
447 perror("cannot fork");
448 exit(1);
449 }
450 if (pid)
12
←
Assuming 'pid' is 0
→
13
←
Taking false branch
→
451 exit(0);
452 closefrom(0);
453 i = open("/dev/console", O_RDWR0x0002);
454 (void) dup2(i, 1);
455 (void) dup2(i, 2);
456 i = open("/dev/tty", O_RDWR0x0002);
457 if (i >= 0) {
14
←
Assuming 'i' is < 0
→
15
←
Taking false branch
→
458 (void) ioctl(i, TIOCNOTTY((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) |
((('t')) << 8) | ((113))), NULL0);
459 (void) close(i);
460 }
461 openlog("ypserv", LOG_PID0x01, LOG_DAEMON(3<<3));
462#endif
463 sock = RPC_ANYSOCK-1;
464 (void) pmap_unset(YPPROG((u_long)100004), YPVERS((u_long)2));
465 (void) pmap_unset(YPPROG((u_long)100004), YPOLDVERS((u_long)1));
466 }
467
468 ypopenlog(); /* open log file */
469 ypdb_init(); /* init db stuff */
470
471 chdir("/");
472
473 (void)signal(SIGCHLD20, sig_child);
474 (void)signal(SIGHUP1, sig_hup);
475
476 if (_rpcfdtype == 0 || _rpcfdtype == SOCK_DGRAM2) {
16
←
Assuming '_rpcfdtype' is not equal to 0
→
17
←
Assuming '_rpcfdtype' is not equal to SOCK_DGRAM
→
18
←
Taking false branch
→
477 transp = svcudp_create(sock);
478 if (transp == NULL0) {
479 _msgout("cannot create udp service.");
480 exit(1);
481 }
482 if (transp->xp_port >= IPPORT_RESERVED1024) {
483 _msgout("cannot allocate udp privileged port.");
484 exit(1);
485 }
486 if (!_rpcpmstart)
487 proto = IPPROTO_UDP17;
488 if (allowv1) {
489 if (!svc_register(transp, YPPROG((u_long)100004), YPOLDVERS((u_long)1), ypprog_1, proto)) {
490 _msgout("unable to register (YPPROG, YPOLDVERS, udp).");
491 exit(1);
492 }
493 }
494 if (!svc_register(transp, YPPROG((u_long)100004), YPVERS((u_long)2), ypprog_2, proto)) {
495 _msgout("unable to register (YPPROG, YPVERS, udp).");
496 exit(1);
497 }
498 }
499
500 if (_rpcfdtype
18.1
'_rpcfdtype' is not equal to 0
 == 0 || _rpcfdtype == SOCK_STREAM1) {
19
←
Assuming '_rpcfdtype' is equal to SOCK_STREAM
→
20
←
Taking true branch
→
501 if (_rpcpmstart)
21
←
Assuming '_rpcpmstart' is not equal to 0
→
22
←
Taking true branch
→
502 transp = svcfd_create(sock, 0, 0);
503 else
504 transp = svctcp_create(sock, 0, 0);
505 if (transp == NULL0) {
23
←
Assuming 'transp' is not equal to NULL
→
24
←
Taking false branch
→
506 _msgout("cannot create tcp service.");
507 exit(1);
508 }
509 if (transp->xp_port >= IPPORT_RESERVED1024) {
25
←
Assuming field 'xp_port' is < IPPORT_RESERVED
→
26
←
Taking false branch
→
510 _msgout("cannot allocate tcp privileged port.");
511 exit(1);
512 }
513 if (!_rpcpmstart
26.1
'_rpcpmstart' is not equal to 0
)
27
←
Taking false branch
→
514 proto = IPPROTO_TCP6;
515 if (allowv1
27.1
'allowv1' is 0
) {
28
←
Taking false branch
→
516 if (!svc_register(transp, YPPROG((u_long)100004), YPOLDVERS((u_long)1), ypprog_1, proto)) {
517 _msgout("unable to register (YPPROG, YPOLDVERS, tcp).");
518 exit(1);
519 }
520 }
521 if (!svc_register(transp, YPPROG((u_long)100004), YPVERS((u_long)2), ypprog_2, proto)) {
29
←
5th function call argument is an uninitialized value
522 _msgout("unable to register (YPPROG, YPVERS, tcp).");
523 exit(1);
524 }
525 }
526
527 if (transp == NULL0) {
528 _msgout("could not create a handle");
529 exit(1);
530 }
531 if (_rpcpmstart) {
532 (void) signal(SIGALRM14, closedown);
533 (void) alarm(_RPCSVC_CLOSEDOWN120);
534 }
535 my_svc_run();
536 _msgout("svc_run returned");
537 exit(1);
538 /* NOTREACHED */
539}
540
541/* ARGSUSED */
542void
543sig_child(int signo)
544{
545 int save_errno = errno(*__errno());
546
547 while (wait3(NULL0, WNOHANG1, NULL0) > 0)
548 ;
549 errno(*__errno()) = save_errno;
550}
551
552/* ARGSUSED */
553void
554sig_hup(int signo)
555{
556 wantsighup = 1;
557}