1 /* $OpenBSD: init_main.c,v 1.122 2004/12/26 21:22:13 miod Exp $ */ 2 /* $NetBSD: init_main.c,v 1.84.4.1 1996/06/02 09:08:06 mrg Exp $ */ 3 4 /* 5 * Copyright (c) 1995 Christopher G. Demetriou. All rights reserved. 6 * Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * (c) UNIX System Laboratories, Inc. 9 * All or some portions of this file are derived from material licensed 10 * to the University of California by American Telephone and Telegraph 11 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 12 * the permission of UNIX System Laboratories, Inc. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)init_main.c 8.9 (Berkeley) 1/21/94 39 */ 40 41 #include <sys/param.h> 42 #include <sys/filedesc.h> 43 #include <sys/file.h> 44 #include <sys/errno.h> 45 #include <sys/exec.h> 46 #include <sys/kernel.h> 47 #include <sys/kthread.h> 48 #include <sys/mount.h> 49 #include <sys/proc.h> 50 #include <sys/resourcevar.h> 51 #include <sys/signalvar.h> 52 #include <sys/systm.h> 53 #include <sys/namei.h> 54 #include <sys/vnode.h> 55 #include <sys/tty.h> 56 #include <sys/conf.h> 57 #include <sys/buf.h> 58 #include <sys/device.h> 59 #include <sys/socketvar.h> 60 #include <sys/lockf.h> 61 #include <sys/protosw.h> 62 #include <sys/reboot.h> 63 #include <sys/user.h> 64 #ifdef SYSVSHM 65 #include <sys/shm.h> 66 #endif 67 #ifdef SYSVSEM 68 #include <sys/sem.h> 69 #endif 70 #ifdef SYSVMSG 71 #include <sys/msg.h> 72 #endif 73 #include <sys/domain.h> 74 #include <sys/mbuf.h> 75 #include <sys/pipe.h> 76 77 #include <sys/syscall.h> 78 #include <sys/syscallargs.h> 79 80 #include <dev/rndvar.h> 81 82 #include <ufs/ufs/quota.h> 83 84 #include <machine/cpu.h> 85 86 #include <uvm/uvm.h> 87 88 #include <net/if.h> 89 #include <net/raw_cb.h> 90 91 #if defined(CRYPTO) 92 #include <crypto/cryptodev.h> 93 #include <crypto/cryptosoft.h> 94 #endif 95 96 #if defined(NFSSERVER) || defined(NFSCLIENT) 97 extern void nfs_init(void); 98 #endif 99 100 const char copyright[] = 101 "Copyright (c) 1982, 1986, 1989, 1991, 1993\n" 102 "\tThe Regents of the University of California. All rights reserved.\n" 103 "Copyright (c) 1995-2004 OpenBSD. All rights reserved. http://www.OpenBSD.org\n"; 104 105 /* Components of the first process -- never freed. */ 106 struct session session0; 107 struct pgrp pgrp0; 108 struct proc proc0; 109 struct pcred cred0; 110 struct plimit limit0; 111 struct vmspace vmspace0; 112 struct sigacts sigacts0; 113 #if !defined(__HAVE_CPUINFO) && !defined(curproc) 114 struct proc *curproc; 115 #endif 116 struct proc *initproc; 117 118 int cmask = CMASK; 119 extern struct user *proc0paddr; 120 121 void (*md_diskconf)(void) = NULL; 122 struct vnode *rootvp, *swapdev_vp; 123 int boothowto; 124 struct timeval boottime; 125 #ifndef __HAVE_CPUINFO 126 struct timeval runtime; 127 #endif 128 int ncpus = 1; 129 __volatile int start_init_exec; /* semaphore for start_init() */ 130 131 #if !defined(NO_PROPOLICE) 132 long __guard[8]; 133 #endif 134 135 /* XXX return int so gcc -Werror won't complain */ 136 int main(void *); 137 void check_console(struct proc *); 138 void start_init(void *); 139 void start_cleaner(void *); 140 void start_update(void *); 141 void start_reaper(void *); 142 void start_crypto(void *); 143 void init_exec(void); 144 void kqueue_init(void); 145 146 extern char sigcode[], esigcode[]; 147 #ifdef SYSCALL_DEBUG 148 extern char *syscallnames[]; 149 #endif 150 151 struct emul emul_native = { 152 "native", 153 NULL, 154 sendsig, 155 SYS_syscall, 156 SYS_MAXSYSCALL, 157 sysent, 158 #ifdef SYSCALL_DEBUG 159 syscallnames, 160 #else 161 NULL, 162 #endif 163 0, 164 copyargs, 165 setregs, 166 NULL, 167 sigcode, 168 esigcode, 169 EMUL_ENABLED | EMUL_NATIVE, 170 }; 171 172 173 /* 174 * System startup; initialize the world, create process 0, mount root 175 * filesystem, and fork to create init and pagedaemon. Most of the 176 * hard work is done in the lower-level initialization routines including 177 * startup(), which does memory initialization and autoconfiguration. 178 */ 179 /* XXX return int, so gcc -Werror won't complain */ 180 int 181 main(framep) 182 void *framep; /* XXX should go away */ 183 { 184 struct proc *p; 185 struct pdevinit *pdev; 186 struct timeval rtv; 187 quad_t lim; 188 int s, i; 189 extern struct pdevinit pdevinit[]; 190 extern void scheduler_start(void); 191 extern void disk_init(void); 192 extern void endtsleep(void *); 193 extern void realitexpire(void *); 194 195 /* 196 * Initialize the current process pointer (curproc) before 197 * any possible traps/probes to simplify trap processing. 198 */ 199 curproc = p = &proc0; 200 #ifdef __HAVE_CPUINFO 201 p->p_cpu = curcpu(); 202 #endif 203 204 /* 205 * Initialize timeouts. 206 */ 207 timeout_startup(); 208 209 /* 210 * Attempt to find console and initialize 211 * in case of early panic or other messages. 212 */ 213 config_init(); /* init autoconfiguration data structures */ 214 consinit(); 215 216 printf("%s\n", copyright); 217 218 KERNEL_LOCK_INIT(); 219 220 uvm_init(); 221 disk_init(); /* must come before autoconfiguration */ 222 tty_init(); /* initialise tty's */ 223 cpu_startup(); 224 225 /* 226 * Initialize mbuf's. Do this now because we might attempt to 227 * allocate mbufs or mbuf clusters during autoconfiguration. 228 */ 229 mbinit(); 230 231 /* Initalize sockets. */ 232 soinit(); 233 234 /* Initialize sysctls (must be done before any processes run) */ 235 sysctl_init(); 236 237 /* 238 * Initialize process and pgrp structures. 239 */ 240 procinit(); 241 242 /* Initialize file locking. */ 243 lf_init(); 244 245 /* 246 * Initialize filedescriptors. 247 */ 248 filedesc_init(); 249 250 /* 251 * Initialize pipes. 252 */ 253 pipe_init(); 254 255 /* 256 * Initialize kqueues. 257 */ 258 kqueue_init(); 259 260 /* 261 * Create process 0 (the swapper). 262 */ 263 LIST_INSERT_HEAD(&allproc, p, p_list); 264 p->p_pgrp = &pgrp0; 265 LIST_INSERT_HEAD(PIDHASH(0), p, p_hash); 266 LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); 267 LIST_INIT(&pgrp0.pg_members); 268 LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist); 269 270 pgrp0.pg_session = &session0; 271 session0.s_count = 1; 272 session0.s_leader = p; 273 274 p->p_flag = P_INMEM | P_SYSTEM | P_NOCLDWAIT; 275 p->p_stat = SONPROC; 276 p->p_nice = NZERO; 277 p->p_emul = &emul_native; 278 bcopy("swapper", p->p_comm, sizeof ("swapper")); 279 280 /* Init timeouts. */ 281 timeout_set(&p->p_sleep_to, endtsleep, p); 282 timeout_set(&p->p_realit_to, realitexpire, p); 283 284 /* Create credentials. */ 285 cred0.p_refcnt = 1; 286 p->p_cred = &cred0; 287 p->p_ucred = crget(); 288 p->p_ucred->cr_ngroups = 1; /* group 0 */ 289 290 /* Initialize signal state for process 0. */ 291 signal_init(); 292 p->p_sigacts = &sigacts0; 293 siginit(p); 294 295 /* Create the file descriptor table. */ 296 p->p_fd = fdinit(NULL); 297 298 /* Create the limits structures. */ 299 p->p_limit = &limit0; 300 for (i = 0; i < sizeof(p->p_rlimit)/sizeof(p->p_rlimit[0]); i++) 301 limit0.pl_rlimit[i].rlim_cur = 302 limit0.pl_rlimit[i].rlim_max = RLIM_INFINITY; 303 limit0.pl_rlimit[RLIMIT_NOFILE].rlim_cur = NOFILE; 304 limit0.pl_rlimit[RLIMIT_NOFILE].rlim_max = MIN(NOFILE_MAX, 305 (maxfiles - NOFILE > NOFILE) ? maxfiles - NOFILE : NOFILE); 306 limit0.pl_rlimit[RLIMIT_NPROC].rlim_cur = MAXUPRC; 307 lim = ptoa(uvmexp.free); 308 limit0.pl_rlimit[RLIMIT_RSS].rlim_max = lim; 309 limit0.pl_rlimit[RLIMIT_MEMLOCK].rlim_max = lim; 310 limit0.pl_rlimit[RLIMIT_MEMLOCK].rlim_cur = lim / 3; 311 limit0.p_refcnt = 1; 312 313 /* Allocate a prototype map so we have something to fork. */ 314 uvmspace_init(&vmspace0, pmap_kernel(), round_page(VM_MIN_ADDRESS), 315 trunc_page(VM_MAX_ADDRESS), TRUE); 316 p->p_vmspace = &vmspace0; 317 318 p->p_addr = proc0paddr; /* XXX */ 319 320 /* 321 * We continue to place resource usage info in the 322 * user struct so they're pageable. 323 */ 324 p->p_stats = &p->p_addr->u_stats; 325 326 /* 327 * Charge root for one process. 328 */ 329 (void)chgproccnt(0, 1); 330 331 /* Initialize run queues */ 332 rqinit(); 333 334 /* Configure the devices */ 335 cpu_configure(); 336 337 /* Configure virtual memory system, set vm rlimits. */ 338 uvm_init_limits(p); 339 340 /* Initialize the file systems. */ 341 #if defined(NFSSERVER) || defined(NFSCLIENT) 342 nfs_init(); /* initialize server/shared data */ 343 #endif 344 vfsinit(); 345 346 /* Start real time and statistics clocks. */ 347 initclocks(); 348 349 /* Lock the kernel on behalf of proc0. */ 350 KERNEL_PROC_LOCK(p); 351 352 #ifdef SYSVSHM 353 /* Initialize System V style shared memory. */ 354 shminit(); 355 #endif 356 357 #ifdef SYSVSEM 358 /* Initialize System V style semaphores. */ 359 seminit(); 360 #endif 361 362 #ifdef SYSVMSG 363 /* Initialize System V style message queues. */ 364 msginit(); 365 #endif 366 367 /* Attach pseudo-devices. */ 368 randomattach(); 369 for (pdev = pdevinit; pdev->pdev_attach != NULL; pdev++) 370 if (pdev->pdev_count > 0) 371 (*pdev->pdev_attach)(pdev->pdev_count); 372 373 #ifdef CRYPTO 374 swcr_init(); 375 #endif /* CRYPTO */ 376 377 /* 378 * Initialize protocols. Block reception of incoming packets 379 * until everything is ready. 380 */ 381 s = splimp(); 382 ifinit(); 383 domaininit(); 384 if_attachdomain(); 385 splx(s); 386 387 #ifdef GPROF 388 /* Initialize kernel profiling. */ 389 kmstartup(); 390 #endif 391 392 #if !defined(NO_PROPOLICE) 393 arc4random_bytes(__guard, sizeof(__guard)); 394 #endif 395 396 /* init exec and emul */ 397 init_exec(); 398 399 /* Start the scheduler */ 400 scheduler_start(); 401 402 /* 403 * Create process 1 (init(8)). We do this now, as Unix has 404 * historically had init be process 1, and changing this would 405 * probably upset a lot of people. 406 * 407 * Note that process 1 won't immediately exec init(8), but will 408 * wait for us to inform it that the root file system has been 409 * mounted. 410 */ 411 if (fork1(p, SIGCHLD, FORK_FORK, NULL, 0, start_init, NULL, NULL, 412 &initproc)) 413 panic("fork init"); 414 415 /* 416 * Create any kernel threads who's creation was deferred because 417 * initproc had not yet been created. 418 */ 419 kthread_run_deferred_queue(); 420 421 /* 422 * Now that device driver threads have been created, wait for 423 * them to finish any deferred autoconfiguration. Note we don't 424 * need to lock this semaphore, since we haven't booted any 425 * secondary processors, yet. 426 */ 427 while (config_pending) 428 (void) tsleep((void *)&config_pending, PWAIT, "cfpend", 0); 429 430 dostartuphooks(); 431 432 /* Configure root/swap devices */ 433 if (md_diskconf) 434 (*md_diskconf)(); 435 436 /* Mount the root file system. */ 437 if (vfs_mountroot()) 438 panic("cannot mount root"); 439 CIRCLEQ_FIRST(&mountlist)->mnt_flag |= MNT_ROOTFS; 440 441 /* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */ 442 if (VFS_ROOT(CIRCLEQ_FIRST(&mountlist), &rootvnode)) 443 panic("cannot find root vnode"); 444 p->p_fd->fd_cdir = rootvnode; 445 VREF(p->p_fd->fd_cdir); 446 VOP_UNLOCK(rootvnode, 0, p); 447 p->p_fd->fd_rdir = NULL; 448 449 /* 450 * Now that root is mounted, we can fixup initproc's CWD 451 * info. All other processes are kthreads, which merely 452 * share proc0's CWD info. 453 */ 454 initproc->p_fd->fd_cdir = rootvnode; 455 VREF(initproc->p_fd->fd_cdir); 456 initproc->p_fd->fd_rdir = NULL; 457 458 /* 459 * Now can look at time, having had a chance to verify the time 460 * from the file system. Reset p->p_rtime as it may have been 461 * munched in mi_switch() after the time got set. 462 */ 463 #ifdef __HAVE_TIMECOUNTER 464 microtime(&boottime); 465 #else 466 boottime = mono_time = time; 467 #endif 468 #ifndef __HAVE_CPUINFO 469 microuptime(&runtime); 470 #endif 471 LIST_FOREACH(p, &allproc, p_list) { 472 p->p_stats->p_start = boottime; 473 #ifdef __HAVE_CPUINFO 474 microuptime(&p->p_cpu->ci_schedstate.spc_runtime); 475 #endif 476 p->p_rtime.tv_sec = p->p_rtime.tv_usec = 0; 477 } 478 479 uvm_swap_init(); 480 481 /* Create the pageout daemon kernel thread. */ 482 if (kthread_create(uvm_pageout, NULL, NULL, "pagedaemon")) 483 panic("fork pagedaemon"); 484 485 /* Create the reaper daemon kernel thread. */ 486 if (kthread_create(start_reaper, NULL, NULL, "reaper")) 487 panic("fork reaper"); 488 489 /* Create the cleaner daemon kernel thread. */ 490 if (kthread_create(start_cleaner, NULL, NULL, "cleaner")) 491 panic("fork cleaner"); 492 493 /* Create the update daemon kernel thread. */ 494 if (kthread_create(start_update, NULL, NULL, "update")) 495 panic("fork update"); 496 497 /* Create the aiodone daemon kernel thread. */ 498 if (kthread_create(uvm_aiodone_daemon, NULL, NULL, "aiodoned")) 499 panic("fork aiodoned"); 500 501 #ifdef CRYPTO 502 /* Create the crypto kernel thread. */ 503 if (kthread_create(start_crypto, NULL, NULL, "crypto")) 504 panic("crypto thread"); 505 #endif /* CRYPTO */ 506 507 microtime(&rtv); 508 srandom((u_long)(rtv.tv_sec ^ rtv.tv_usec)); 509 510 randompid = 1; 511 512 #if defined(MULTIPROCESSOR) 513 /* Boot the secondary processors. */ 514 cpu_boot_secondary_processors(); 515 #endif 516 517 domountroothooks(); 518 519 /* 520 * Okay, now we can let init(8) exec! It's off to userland! 521 */ 522 start_init_exec = 1; 523 wakeup((void *)&start_init_exec); 524 525 /* The scheduler is an infinite loop. */ 526 uvm_scheduler(); 527 /* NOTREACHED */ 528 } 529 530 /* 531 * List of paths to try when searching for "init". 532 */ 533 static char *initpaths[] = { 534 "/sbin/init", 535 "/sbin/oinit", 536 "/sbin/init.bak", 537 NULL, 538 }; 539 540 void 541 check_console(p) 542 struct proc *p; 543 { 544 struct nameidata nd; 545 int error; 546 547 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, "/dev/console", p); 548 error = namei(&nd); 549 if (error) { 550 if (error == ENOENT) 551 printf("warning: /dev/console does not exist\n"); 552 else 553 printf("warning: /dev/console error %d\n", error); 554 } else 555 vrele(nd.ni_vp); 556 } 557 558 /* 559 * Start the initial user process; try exec'ing each pathname in "initpaths". 560 * The program is invoked with one argument containing the boot flags. 561 */ 562 void 563 start_init(arg) 564 void *arg; 565 { 566 struct proc *p = arg; 567 vaddr_t addr; 568 struct sys_execve_args /* { 569 syscallarg(const char *) path; 570 syscallarg(char *const *) argp; 571 syscallarg(char *const *) envp; 572 } */ args; 573 int options, error; 574 long i; 575 register_t retval[2]; 576 char flags[4], *flagsp; 577 char **pathp, *path, *ucp, **uap, *arg0, *arg1 = NULL; 578 579 /* 580 * Now in process 1. 581 */ 582 583 /* 584 * Wait for main() to tell us that it's safe to exec. 585 */ 586 while (start_init_exec == 0) 587 (void) tsleep((void *)&start_init_exec, PWAIT, "initexec", 0); 588 589 check_console(p); 590 591 /* 592 * Need just enough stack to hold the faked-up "execve()" arguments. 593 */ 594 #ifdef MACHINE_STACK_GROWS_UP 595 addr = USRSTACK; 596 #else 597 addr = USRSTACK - PAGE_SIZE; 598 #endif 599 if (uvm_map(&p->p_vmspace->vm_map, &addr, PAGE_SIZE, 600 NULL, UVM_UNKNOWN_OFFSET, 0, 601 UVM_MAPFLAG(UVM_PROT_RW, UVM_PROT_ALL, UVM_INH_COPY, 602 UVM_ADV_NORMAL, UVM_FLAG_FIXED|UVM_FLAG_OVERLAY|UVM_FLAG_COPYONW))) 603 panic("init: couldn't allocate argument space"); 604 p->p_vmspace->vm_maxsaddr = (caddr_t)addr; 605 606 for (pathp = &initpaths[0]; (path = *pathp) != NULL; pathp++) { 607 #ifdef MACHINE_STACK_GROWS_UP 608 ucp = (char *)addr; 609 #else 610 ucp = (char *)(addr + PAGE_SIZE); 611 #endif 612 /* 613 * Construct the boot flag argument. 614 */ 615 flagsp = flags; 616 *flagsp++ = '-'; 617 options = 0; 618 619 if (boothowto & RB_SINGLE) { 620 *flagsp++ = 's'; 621 options = 1; 622 } 623 #ifdef notyet 624 if (boothowto & RB_FASTBOOT) { 625 *flagsp++ = 'f'; 626 options = 1; 627 } 628 #endif 629 630 /* 631 * Move out the flags (arg 1), if necessary. 632 */ 633 if (options != 0) { 634 *flagsp++ = '\0'; 635 i = flagsp - flags; 636 #ifdef DEBUG 637 printf("init: copying out flags `%s' %d\n", flags, i); 638 #endif 639 #ifdef MACHINE_STACK_GROWS_UP 640 arg1 = ucp; 641 (void)copyout((caddr_t)flags, (caddr_t)ucp, i); 642 ucp += i; 643 #else 644 (void)copyout((caddr_t)flags, (caddr_t)(ucp -= i), i); 645 arg1 = ucp; 646 #endif 647 } 648 649 /* 650 * Move out the file name (also arg 0). 651 */ 652 i = strlen(path) + 1; 653 #ifdef DEBUG 654 printf("init: copying out path `%s' %d\n", path, i); 655 #endif 656 #ifdef MACHINE_STACK_GROWS_UP 657 arg0 = ucp; 658 (void)copyout((caddr_t)path, (caddr_t)ucp, i); 659 ucp += i; 660 ucp = (caddr_t)ALIGN((u_long)ucp); 661 uap = (char **)ucp + 3; 662 #else 663 (void)copyout((caddr_t)path, (caddr_t)(ucp -= i), i); 664 arg0 = ucp; 665 uap = (char **)((u_long)ucp & ~ALIGNBYTES); 666 #endif 667 668 /* 669 * Move out the arg pointers. 670 */ 671 i = 0; 672 copyout(&i, (caddr_t)--uap, sizeof(register_t)); /* terminator */ 673 if (options != 0) 674 copyout(&arg1, (caddr_t)--uap, sizeof(register_t)); 675 copyout(&arg0, (caddr_t)--uap, sizeof(register_t)); 676 677 /* 678 * Point at the arguments. 679 */ 680 SCARG(&args, path) = arg0; 681 SCARG(&args, argp) = uap; 682 SCARG(&args, envp) = NULL; 683 684 /* 685 * Now try to exec the program. If can't for any reason 686 * other than it doesn't exist, complain. 687 */ 688 if ((error = sys_execve(p, &args, retval)) == 0) { 689 KERNEL_PROC_UNLOCK(p); 690 return; 691 } 692 if (error != ENOENT) 693 printf("exec %s: error %d\n", path, error); 694 } 695 printf("init: not found\n"); 696 panic("no init"); 697 } 698 699 void 700 start_update(arg) 701 void *arg; 702 { 703 sched_sync(curproc); 704 /* NOTREACHED */ 705 } 706 707 void 708 start_cleaner(arg) 709 void *arg; 710 { 711 buf_daemon(curproc); 712 /* NOTREACHED */ 713 } 714 715 void 716 start_reaper(arg) 717 void *arg; 718 { 719 reaper(); 720 /* NOTREACHED */ 721 } 722 723 #ifdef CRYPTO 724 void 725 start_crypto(arg) 726 void *arg; 727 { 728 crypto_thread(); 729 /* NOTREACHED */ 730 } 731 #endif /* CRYPTO */ 732