1 /* 2 * Copyright (c) 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static char copyright[] = 39 "@(#) Copyright (c) 1989, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif not lint 42 43 #ifndef lint 44 static char sccsid[] = "@(#)nfsd.c 8.7 (Berkeley) 2/22/94"; 45 #endif not lint 46 47 #include <sys/param.h> 48 #include <sys/syslog.h> 49 #include <sys/ioctl.h> 50 #include <sys/stat.h> 51 #include <sys/wait.h> 52 #include <sys/uio.h> 53 #include <sys/ucred.h> 54 #include <sys/mount.h> 55 #include <sys/socket.h> 56 #include <sys/socketvar.h> 57 58 #include <rpc/rpc.h> 59 #include <rpc/pmap_clnt.h> 60 #include <rpc/pmap_prot.h> 61 62 #ifdef ISO 63 #include <netiso/iso.h> 64 #endif 65 #include <nfs/rpcv2.h> 66 #include <nfs/nfsproto.h> 67 #include <nfs/nfs.h> 68 69 #ifdef NFSKERB 70 #include <des.h> 71 #include <kerberosIV/krb.h> 72 #endif 73 74 #include <err.h> 75 #include <errno.h> 76 #include <fcntl.h> 77 #include <grp.h> 78 #include <pwd.h> 79 #include <signal.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <strings.h> 83 #include <unistd.h> 84 #include <libutil.h> 85 86 /* Global defs */ 87 #ifdef DEBUG 88 #define syslog(e, s) fprintf(stderr,(s)) 89 int debug = 1; 90 #else 91 int debug = 0; 92 #endif 93 94 struct nfsd_srvargs nsd; 95 #ifdef OLD_SETPROCTITLE 96 char **Argv = NULL; /* pointer to argument vector */ 97 char *LastArg = NULL; /* end of argv */ 98 #endif 99 100 #ifdef NFSKERB 101 char lnam[ANAME_SZ]; 102 KTEXT_ST kt; 103 AUTH_DAT kauth; 104 char inst[INST_SZ]; 105 struct nfsrpc_fullblock kin, kout; 106 struct nfsrpc_fullverf kverf; 107 NFSKERBKEY_T kivec; 108 struct timeval ktv; 109 NFSKERBKEYSCHED_T kerb_keysched; 110 #endif 111 112 void nonfs __P((int)); 113 void reapchild __P((int)); 114 #ifdef OLD_SETPROCTITLE 115 #ifdef __FreeBSD__ 116 void setproctitle __P((char *)); 117 #endif 118 #endif 119 void usage __P((void)); 120 121 /* 122 * Nfs server daemon mostly just a user context for nfssvc() 123 * 124 * 1 - do file descriptor and signal cleanup 125 * 2 - fork the nfsd(s) 126 * 3 - create server socket(s) 127 * 4 - register socket with portmap 128 * 129 * For connectionless protocols, just pass the socket into the kernel via. 130 * nfssvc(). 131 * For connection based sockets, loop doing accepts. When you get a new 132 * socket from accept, pass the msgsock into the kernel via. nfssvc(). 133 * The arguments are: 134 * -c - support iso cltp clients 135 * -r - reregister with portmapper 136 * -t - support tcp nfs clients 137 * -u - support udp nfs clients 138 * followed by "n" which is the number of nfsds' to fork off 139 */ 140 int 141 main(argc, argv, envp) 142 int argc; 143 char *argv[], *envp[]; 144 { 145 extern int optind; 146 struct group *grp; 147 struct nfsd_args nfsdargs; 148 struct passwd *pwd; 149 struct ucred *cr; 150 struct sockaddr_in inetaddr, inetpeer; 151 #ifdef ISO 152 struct sockaddr_iso isoaddr, isopeer; 153 #endif 154 struct timeval ktv; 155 fd_set ready, sockbits; 156 int ch, cltpflag, connect_type_cnt, i, len, maxsock, msgsock; 157 int nfsdcnt, nfssvc_flag, on, reregister, sock, tcpflag, tcpsock; 158 int tp4cnt, tp4flag, tp4sock, tpipcnt, tpipflag, tpipsock, udpflag; 159 char *cp, **cpp; 160 #ifdef __FreeBSD__ 161 struct vfsconf *vfc; 162 163 vfc = getvfsbyname("nfs"); 164 if(!vfc && vfsisloadable("nfs")) { 165 if(vfsload("nfs")) 166 err(1, "vfsload(nfs)"); 167 endvfsent(); /* flush cache */ 168 vfc = getvfsbyname("nfs"); /* probably unnecessary */ 169 } 170 if(!vfc) { 171 errx(1, "NFS is not available in the running kernel"); 172 } 173 #endif 174 175 #ifdef OLD_SETPROCTITLE 176 /* Save start and extent of argv for setproctitle. */ 177 Argv = argv; 178 if (envp == 0 || *envp == 0) 179 envp = argv; 180 while (*envp) 181 envp++; 182 LastArg = envp[-1] + strlen(envp[-1]); 183 #endif 184 185 #define MAXNFSDCNT 20 186 #define DEFNFSDCNT 4 187 nfsdcnt = DEFNFSDCNT; 188 cltpflag = reregister = tcpflag = tp4cnt = tp4flag = tpipcnt = 0; 189 tpipflag = udpflag = 0; 190 #ifdef ISO 191 #define GETOPT "cn:rtu" 192 #define USAGE "[-crtu] [-n num_servers]" 193 #else 194 #define GETOPT "n:rtu" 195 #define USAGE "[-rtu] [-n num_servers]" 196 #endif 197 while ((ch = getopt(argc, argv, GETOPT)) != EOF) 198 switch (ch) { 199 case 'n': 200 nfsdcnt = atoi(optarg); 201 if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) { 202 warnx("nfsd count %d; reset to %d", DEFNFSDCNT); 203 nfsdcnt = DEFNFSDCNT; 204 } 205 break; 206 case 'r': 207 reregister = 1; 208 break; 209 case 't': 210 tcpflag = 1; 211 break; 212 case 'u': 213 udpflag = 1; 214 break; 215 #ifdef ISO 216 case 'c': 217 cltpflag = 1; 218 break; 219 #ifdef notyet 220 case 'i': 221 tp4cnt = 1; 222 break; 223 case 'p': 224 tpipcnt = 1; 225 break; 226 #endif /* notyet */ 227 #endif /* ISO */ 228 default: 229 case '?': 230 usage(); 231 }; 232 if(argc) udpflag = 1; 233 argv += optind; 234 argc -= optind; 235 236 /* 237 * XXX 238 * Backward compatibility, trailing number is the count of daemons. 239 */ 240 if (argc > 1) 241 usage(); 242 if (argc == 1) { 243 nfsdcnt = atoi(argv[0]); 244 if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) { 245 warnx("nfsd count %d; reset to %d", DEFNFSDCNT); 246 nfsdcnt = DEFNFSDCNT; 247 } 248 } 249 250 if (debug == 0) { 251 daemon(0, 0); 252 (void)signal(SIGHUP, SIG_IGN); 253 (void)signal(SIGINT, SIG_IGN); 254 (void)signal(SIGQUIT, SIG_IGN); 255 (void)signal(SIGSYS, nonfs); 256 (void)signal(SIGTERM, SIG_IGN); 257 } 258 (void)signal(SIGCHLD, reapchild); 259 260 if (reregister) { 261 if (udpflag && 262 (!pmap_set(RPCPROG_NFS, 2, IPPROTO_UDP, NFS_PORT) || 263 !pmap_set(RPCPROG_NFS, 3, IPPROTO_UDP, NFS_PORT))) 264 err(1, "can't register with portmap for UDP."); 265 if (tcpflag && 266 (!pmap_set(RPCPROG_NFS, 2, IPPROTO_TCP, NFS_PORT) || 267 !pmap_set(RPCPROG_NFS, 3, IPPROTO_TCP, NFS_PORT))) 268 err(1, "can't register with portmap for TCP."); 269 exit(0); 270 } 271 openlog("nfsd:", LOG_PID, LOG_DAEMON); 272 273 for (i = 0; i < nfsdcnt; i++) { 274 switch (fork()) { 275 case -1: 276 syslog(LOG_ERR, "fork: %m"); 277 exit (1); 278 case 0: 279 break; 280 default: 281 continue; 282 } 283 284 setproctitle("server"); 285 nfssvc_flag = NFSSVC_NFSD; 286 nsd.nsd_nfsd = NULL; 287 #ifdef NFSKERB 288 if (sizeof (struct nfsrpc_fullverf) != RPCX_FULLVERF || 289 sizeof (struct nfsrpc_fullblock) != RPCX_FULLBLOCK) 290 syslog(LOG_ERR, "Yikes NFSKERB structs not packed!"); 291 nsd.nsd_authstr = (u_char *)&kt; 292 nsd.nsd_authlen = sizeof (kt); 293 nsd.nsd_verfstr = (u_char *)&kverf; 294 nsd.nsd_verflen = sizeof (kverf); 295 #endif 296 while (nfssvc(nfssvc_flag, &nsd) < 0) { 297 if (errno != ENEEDAUTH) { 298 syslog(LOG_ERR, "nfssvc: %m"); 299 exit(1); 300 } 301 nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHINFAIL; 302 #ifdef NFSKERB 303 /* 304 * Get the Kerberos ticket out of the authenticator 305 * verify it and convert the principal name to a user 306 * name. The user name is then converted to a set of 307 * user credentials via the password and group file. 308 * Finally, decrypt the timestamp and validate it. 309 * For more info see the IETF Draft "Authentication 310 * in ONC RPC". 311 */ 312 kt.length = ntohl(kt.length); 313 if (gettimeofday(&ktv, (struct timezone *)0) == 0 && 314 kt.length > 0 && kt.length <= 315 (RPCAUTH_MAXSIZ - 3 * NFSX_UNSIGNED)) { 316 kin.w1 = NFS_KERBW1(kt); 317 kt.mbz = 0; 318 (void)strcpy(inst, "*"); 319 if (krb_rd_req(&kt, NFS_KERBSRV, 320 inst, nsd.nsd_haddr, &kauth, "") == RD_AP_OK && 321 krb_kntoln(&kauth, lnam) == KSUCCESS && 322 (pwd = getpwnam(lnam)) != NULL) { 323 cr = &nsd.nsd_cr; 324 cr->cr_uid = pwd->pw_uid; 325 cr->cr_groups[0] = pwd->pw_gid; 326 cr->cr_ngroups = 1; 327 setgrent(); 328 while ((grp = getgrent()) != NULL) { 329 if (grp->gr_gid == cr->cr_groups[0]) 330 continue; 331 for (cpp = grp->gr_mem; 332 *cpp != NULL; ++cpp) 333 if (!strcmp(*cpp, lnam)) 334 break; 335 if (*cpp == NULL) 336 continue; 337 cr->cr_groups[cr->cr_ngroups++] 338 = grp->gr_gid; 339 if (cr->cr_ngroups == NGROUPS) 340 break; 341 } 342 endgrent(); 343 344 /* 345 * Get the timestamp verifier out of the 346 * authenticator and verifier strings. 347 */ 348 kin.t1 = kverf.t1; 349 kin.t2 = kverf.t2; 350 kin.w2 = kverf.w2; 351 bzero((caddr_t)kivec, sizeof (kivec)); 352 bcopy((caddr_t)kauth.session, 353 (caddr_t)nsd.nsd_key,sizeof(kauth.session)); 354 355 /* 356 * Decrypt the timestamp verifier in CBC mode. 357 */ 358 XXX 359 360 /* 361 * Validate the timestamp verifier, to 362 * check that the session key is ok. 363 */ 364 nsd.nsd_timestamp.tv_sec = ntohl(kout.t1); 365 nsd.nsd_timestamp.tv_usec = ntohl(kout.t2); 366 nsd.nsd_ttl = ntohl(kout.w1); 367 if ((nsd.nsd_ttl - 1) == ntohl(kout.w2)) 368 nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHIN; 369 } 370 #endif /* NFSKERB */ 371 } 372 exit(0); 373 } 374 375 /* If we are serving udp, set up the socket. */ 376 if (udpflag) { 377 if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { 378 syslog(LOG_ERR, "can't create udp socket"); 379 exit(1); 380 } 381 inetaddr.sin_family = AF_INET; 382 inetaddr.sin_addr.s_addr = INADDR_ANY; 383 inetaddr.sin_port = htons(NFS_PORT); 384 inetaddr.sin_len = sizeof(inetaddr); 385 if (bind(sock, 386 (struct sockaddr *)&inetaddr, sizeof(inetaddr)) < 0) { 387 syslog(LOG_ERR, "can't bind udp addr"); 388 exit(1); 389 } 390 if (!pmap_set(RPCPROG_NFS, 2, IPPROTO_UDP, NFS_PORT) || 391 !pmap_set(RPCPROG_NFS, 3, IPPROTO_UDP, NFS_PORT)) { 392 syslog(LOG_ERR, "can't register with udp portmap"); 393 exit(1); 394 } 395 nfsdargs.sock = sock; 396 nfsdargs.name = NULL; 397 nfsdargs.namelen = 0; 398 if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) { 399 syslog(LOG_ERR, "can't Add UDP socket"); 400 exit(1); 401 } 402 (void)close(sock); 403 } 404 405 #ifdef ISO 406 /* If we are serving cltp, set up the socket. */ 407 if (cltpflag) { 408 if ((sock = socket(AF_ISO, SOCK_DGRAM, 0)) < 0) { 409 syslog(LOG_ERR, "can't create cltp socket"); 410 exit(1); 411 } 412 memset(&isoaddr, 0, sizeof(isoaddr)); 413 isoaddr.siso_family = AF_ISO; 414 isoaddr.siso_tlen = 2; 415 cp = TSEL(&isoaddr); 416 *cp++ = (NFS_PORT >> 8); 417 *cp = (NFS_PORT & 0xff); 418 isoaddr.siso_len = sizeof(isoaddr); 419 if (bind(sock, 420 (struct sockaddr *)&isoaddr, sizeof(isoaddr)) < 0) { 421 syslog(LOG_ERR, "can't bind cltp addr"); 422 exit(1); 423 } 424 #ifdef notyet 425 /* 426 * XXX 427 * Someday this should probably use "rpcbind", the son of 428 * portmap. 429 */ 430 if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_UDP, NFS_PORT)) { 431 syslog(LOG_ERR, "can't register with udp portmap"); 432 exit(1); 433 } 434 #endif /* notyet */ 435 nfsdargs.sock = sock; 436 nfsdargs.name = NULL; 437 nfsdargs.namelen = 0; 438 if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) { 439 syslog(LOG_ERR, "can't add UDP socket"); 440 exit(1); 441 } 442 close(sock); 443 } 444 #endif /* ISO */ 445 446 /* Now set up the master server socket waiting for tcp connections. */ 447 on = 1; 448 FD_ZERO(&sockbits); 449 connect_type_cnt = 0; 450 if (tcpflag) { 451 if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0) { 452 syslog(LOG_ERR, "can't create tcp socket"); 453 exit(1); 454 } 455 if (setsockopt(tcpsock, 456 SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0) 457 syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m"); 458 inetaddr.sin_family = AF_INET; 459 inetaddr.sin_addr.s_addr = INADDR_ANY; 460 inetaddr.sin_port = htons(NFS_PORT); 461 inetaddr.sin_len = sizeof(inetaddr); 462 if (bind(tcpsock, 463 (struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0) { 464 syslog(LOG_ERR, "can't bind tcp addr"); 465 exit(1); 466 } 467 if (listen(tcpsock, 5) < 0) { 468 syslog(LOG_ERR, "listen failed"); 469 exit(1); 470 } 471 if (!pmap_set(RPCPROG_NFS, 2, IPPROTO_TCP, NFS_PORT) || 472 !pmap_set(RPCPROG_NFS, 3, IPPROTO_TCP, NFS_PORT)) { 473 syslog(LOG_ERR, "can't register tcp with portmap"); 474 exit(1); 475 } 476 FD_SET(tcpsock, &sockbits); 477 maxsock = tcpsock; 478 connect_type_cnt++; 479 } 480 481 #ifdef notyet 482 /* Now set up the master server socket waiting for tp4 connections. */ 483 if (tp4flag) { 484 if ((tp4sock = socket(AF_ISO, SOCK_SEQPACKET, 0)) < 0) { 485 syslog(LOG_ERR, "can't create tp4 socket"); 486 exit(1); 487 } 488 if (setsockopt(tp4sock, 489 SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0) 490 syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m"); 491 memset(&isoaddr, 0, sizeof(isoaddr)); 492 isoaddr.siso_family = AF_ISO; 493 isoaddr.siso_tlen = 2; 494 cp = TSEL(&isoaddr); 495 *cp++ = (NFS_PORT >> 8); 496 *cp = (NFS_PORT & 0xff); 497 isoaddr.siso_len = sizeof(isoaddr); 498 if (bind(tp4sock, 499 (struct sockaddr *)&isoaddr, sizeof (isoaddr)) < 0) { 500 syslog(LOG_ERR, "can't bind tp4 addr"); 501 exit(1); 502 } 503 if (listen(tp4sock, 5) < 0) { 504 syslog(LOG_ERR, "listen failed"); 505 exit(1); 506 } 507 /* 508 * XXX 509 * Someday this should probably use "rpcbind", the son of 510 * portmap. 511 */ 512 if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) { 513 syslog(LOG_ERR, "can't register tcp with portmap"); 514 exit(1); 515 } 516 FD_SET(tp4sock, &sockbits); 517 maxsock = tp4sock; 518 connect_type_cnt++; 519 } 520 521 /* Now set up the master server socket waiting for tpip connections. */ 522 if (tpipflag) { 523 if ((tpipsock = socket(AF_INET, SOCK_SEQPACKET, 0)) < 0) { 524 syslog(LOG_ERR, "can't create tpip socket"); 525 exit(1); 526 } 527 if (setsockopt(tpipsock, 528 SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0) 529 syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m"); 530 inetaddr.sin_family = AF_INET; 531 inetaddr.sin_addr.s_addr = INADDR_ANY; 532 inetaddr.sin_port = htons(NFS_PORT); 533 inetaddr.sin_len = sizeof(inetaddr); 534 if (bind(tpipsock, 535 (struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0) { 536 syslog(LOG_ERR, "can't bind tcp addr"); 537 exit(1); 538 } 539 if (listen(tpipsock, 5) < 0) { 540 syslog(LOG_ERR, "listen failed"); 541 exit(1); 542 } 543 /* 544 * XXX 545 * Someday this should probably use "rpcbind", the son of 546 * portmap. 547 */ 548 if (!pmap_set(RPCPROG_NFS, NFS_VER2, IPPROTO_TCP, NFS_PORT)) { 549 syslog(LOG_ERR, "can't register tcp with portmap"); 550 exit(1); 551 } 552 FD_SET(tpipsock, &sockbits); 553 maxsock = tpipsock; 554 connect_type_cnt++; 555 } 556 #endif /* notyet */ 557 558 if (connect_type_cnt == 0) 559 exit(0); 560 561 setproctitle("master"); 562 563 /* 564 * Loop forever accepting connections and passing the sockets 565 * into the kernel for the mounts. 566 */ 567 for (;;) { 568 ready = sockbits; 569 if (connect_type_cnt > 1) { 570 if (select(maxsock + 1, 571 &ready, NULL, NULL, NULL) < 1) { 572 syslog(LOG_ERR, "select failed: %m"); 573 exit(1); 574 } 575 } 576 if (tcpflag && FD_ISSET(tcpsock, &ready)) { 577 len = sizeof(inetpeer); 578 if ((msgsock = accept(tcpsock, 579 (struct sockaddr *)&inetpeer, &len)) < 0) { 580 syslog(LOG_ERR, "accept failed: %m"); 581 exit(1); 582 } 583 memset(inetpeer.sin_zero, 0, sizeof(inetpeer.sin_zero)); 584 if (setsockopt(msgsock, SOL_SOCKET, 585 SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0) 586 syslog(LOG_ERR, 587 "setsockopt SO_KEEPALIVE: %m"); 588 nfsdargs.sock = msgsock; 589 nfsdargs.name = (caddr_t)&inetpeer; 590 nfsdargs.namelen = sizeof(inetpeer); 591 nfssvc(NFSSVC_ADDSOCK, &nfsdargs); 592 (void)close(msgsock); 593 } 594 #ifdef notyet 595 if (tp4flag && FD_ISSET(tp4sock, &ready)) { 596 len = sizeof(isopeer); 597 if ((msgsock = accept(tp4sock, 598 (struct sockaddr *)&isopeer, &len)) < 0) { 599 syslog(LOG_ERR, "accept failed: %m"); 600 exit(1); 601 } 602 if (setsockopt(msgsock, SOL_SOCKET, 603 SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0) 604 syslog(LOG_ERR, 605 "setsockopt SO_KEEPALIVE: %m"); 606 nfsdargs.sock = msgsock; 607 nfsdargs.name = (caddr_t)&isopeer; 608 nfsdargs.namelen = len; 609 nfssvc(NFSSVC_ADDSOCK, &nfsdargs); 610 (void)close(msgsock); 611 } 612 if (tpipflag && FD_ISSET(tpipsock, &ready)) { 613 len = sizeof(inetpeer); 614 if ((msgsock = accept(tpipsock, 615 (struct sockaddr *)&inetpeer, &len)) < 0) { 616 syslog(LOG_ERR, "Accept failed: %m"); 617 exit(1); 618 } 619 if (setsockopt(msgsock, SOL_SOCKET, 620 SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0) 621 syslog(LOG_ERR, "setsockopt SO_KEEPALIVE: %m"); 622 nfsdargs.sock = msgsock; 623 nfsdargs.name = (caddr_t)&inetpeer; 624 nfsdargs.namelen = len; 625 nfssvc(NFSSVC_ADDSOCK, &nfsdargs); 626 (void)close(msgsock); 627 } 628 #endif /* notyet */ 629 } 630 } 631 632 void 633 usage() 634 { 635 (void)fprintf(stderr, "usage: nfsd %s\n", USAGE); 636 exit(1); 637 } 638 639 void 640 nonfs(signo) 641 int signo; 642 { 643 syslog(LOG_ERR, "missing system call: NFS not available."); 644 } 645 646 void 647 reapchild(signo) 648 int signo; 649 { 650 651 while (wait3(NULL, WNOHANG, NULL) > 0); 652 } 653 654 #ifdef OLD_SETPROCTITLE 655 #ifdef __FreeBSD__ 656 void 657 setproctitle(a) 658 char *a; 659 { 660 register char *cp; 661 char buf[80]; 662 663 cp = Argv[0]; 664 (void)snprintf(buf, sizeof(buf), "nfsd-%s", a); 665 (void)strncpy(cp, buf, LastArg - cp); 666 cp += strlen(cp); 667 while (cp < LastArg) 668 *cp++ = '\0'; 669 Argv[1] = NULL; 670 } 671 #endif /* __FreeBSD__ */ 672 #endif 673