| File: | src/usr.sbin/ypserv/ypserv/ypserv.c |
| Warning: | line 489, column 9 5th function call argument is an uninitialized value |
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| 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 | ||||
| 53 | void ypdb_init(void); | |||
| 54 | ||||
| 55 | #ifdef DEBUG | |||
| 56 | #define RPC_SVC_FG | |||
| 57 | #endif | |||
| 58 | ||||
| 59 | #define _RPCSVC_CLOSEDOWN120 120 | |||
| 60 | static int _rpcpmstart; /* Started by a port monitor ? */ | |||
| 61 | static int _rpcfdtype; /* Whether Stream or Datagram ? */ | |||
| 62 | static int _rpcsvcdirty; /* Still serving ? */ | |||
| 63 | ||||
| 64 | int usedns = FALSE(0); | |||
| 65 | char *aclfile = NULL0; | |||
| 66 | ||||
| 67 | void sig_child(int); | |||
| 68 | void sig_hup(int); | |||
| 69 | volatile sig_atomic_t wantsighup; | |||
| 70 | ||||
| 71 | static 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 */ | |||
| 85 | static void | |||
| 86 | closedown(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 | ||||
| 105 | static void | |||
| 106 | ypprog_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 | ||||
| 207 | static void | |||
| 208 | ypprog_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 | ||||
| 322 | static void | |||
| 323 | hup(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 | ||||
| 341 | static void | |||
| 342 | my_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 | ||||
| 380 | static void | |||
| 381 | usage(void) | |||
| 382 | { | |||
| 383 | (void)fprintf(stderr(&__sF[2]), "usage: ypserv [-1dx] [-a aclfile]\n"); | |||
| 384 | exit(1); | |||
| 385 | } | |||
| 386 | ||||
| 387 | int | |||
| 388 | main(int argc, char *argv[]) | |||
| 389 | { | |||
| 390 | int xflag = 0, allowv1 = 0, ch, sock, proto; | |||
| ||||
| 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) | |||
| 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) { | |||
| 416 | (void)fprintf(stderr(&__sF[2]), "ypserv: must be root to run.\n"); | |||
| 417 | exit(1); | |||
| 418 | } | |||
| 419 | ||||
| 420 | if (aclfile
| |||
| 421 | (void)acl_init(aclfile); | |||
| 422 | else | |||
| 423 | (void)acl_securenet(YP_SECURENET_FILE"/var/yp/securenet"); | |||
| 424 | ||||
| 425 | if (xflag
| |||
| 426 | exit(1); | |||
| 427 | ||||
| 428 | if (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) { | |||
| 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) { | |||
| 447 | perror("cannot fork"); | |||
| 448 | exit(1); | |||
| 449 | } | |||
| 450 | if (pid) | |||
| 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) { | |||
| 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) { | |||
| 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 == 0 || _rpcfdtype == SOCK_STREAM1) { | |||
| 501 | if (_rpcpmstart) | |||
| 502 | transp = svcfd_create(sock, 0, 0); | |||
| 503 | else | |||
| 504 | transp = svctcp_create(sock, 0, 0); | |||
| 505 | if (transp == NULL0) { | |||
| 506 | _msgout("cannot create tcp service."); | |||
| 507 | exit(1); | |||
| 508 | } | |||
| 509 | if (transp->xp_port >= IPPORT_RESERVED1024) { | |||
| 510 | _msgout("cannot allocate tcp privileged port."); | |||
| 511 | exit(1); | |||
| 512 | } | |||
| 513 | if (!_rpcpmstart) | |||
| 514 | proto = IPPROTO_TCP6; | |||
| 515 | if (allowv1) { | |||
| 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)) { | |||
| 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 */ | |||
| 542 | void | |||
| 543 | sig_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 */ | |||
| 553 | void | |||
| 554 | sig_hup(int signo) | |||
| 555 | { | |||
| 556 | wantsighup = 1; | |||
| 557 | } |