1 /* $NetBSD: sunos_misc.c,v 1.100 1999/03/22 17:30:37 sommerfe Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 45 * 46 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 47 */ 48 49 /* 50 * SunOS compatibility module. 51 * 52 * SunOS system calls that are implemented differently in BSD are 53 * handled here. 54 */ 55 56 #define COMPAT_SUNOS 1 57 58 #include "opt_nfsserver.h" 59 #include "fs_nfs.h" 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscallargs.h> 89 #include <sys/conf.h> 90 #include <sys/socketvar.h> 91 #include <sys/exec.h> 92 #include <sys/swap.h> 93 94 #include <compat/sunos/sunos.h> 95 #include <compat/sunos/sunos_syscallargs.h> 96 #include <compat/sunos/sunos_util.h> 97 #include <compat/sunos/sunos_dirent.h> 98 99 #include <netinet/in.h> 100 101 #include <miscfs/specfs/specdev.h> 102 103 #include <nfs/rpcv2.h> 104 #include <nfs/nfsproto.h> 105 #include <nfs/nfs.h> 106 #include <nfs/nfsmount.h> 107 108 #include <vm/vm.h> 109 110 static int sunstatfs __P((struct statfs *, caddr_t)); 111 112 int 113 sunos_sys_stime(p, v, retval) 114 struct proc *p; 115 void *v; 116 register_t *retval; 117 { 118 struct sunos_sys_stime_args *uap = v; 119 struct sys_settimeofday_args ap; 120 caddr_t sg = stackgap_init(p->p_emul); 121 struct timeval tv, *sgtvp; 122 int error; 123 124 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 125 if (error) 126 return error; 127 tv.tv_usec = 0; 128 129 SCARG(&ap, tv) = sgtvp = stackgap_alloc(&sg, sizeof(struct timeval)); 130 SCARG(&ap, tzp) = NULL; 131 132 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 133 if (error) 134 return error; 135 136 return sys_settimeofday(p, &ap, retval); 137 } 138 139 int 140 sunos_sys_wait4(p, v, retval) 141 struct proc *p; 142 void *v; 143 register_t *retval; 144 { 145 struct sunos_sys_wait4_args *uap = v; 146 if (SCARG(uap, pid) == 0) 147 SCARG(uap, pid) = WAIT_ANY; 148 return (sys_wait4(p, uap, retval)); 149 } 150 151 int 152 sunos_sys_creat(p, v, retval) 153 struct proc *p; 154 void *v; 155 register_t *retval; 156 { 157 struct sunos_sys_creat_args *uap = v; 158 struct sys_open_args ouap; 159 160 caddr_t sg = stackgap_init(p->p_emul); 161 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 162 163 SCARG(&ouap, path) = SCARG(uap, path); 164 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 165 SCARG(&ouap, mode) = SCARG(uap, mode); 166 167 return (sys_open(p, &ouap, retval)); 168 } 169 170 int 171 sunos_sys_access(p, v, retval) 172 struct proc *p; 173 void *v; 174 register_t *retval; 175 { 176 struct sunos_sys_access_args *uap = v; 177 caddr_t sg = stackgap_init(p->p_emul); 178 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 179 180 return (sys_access(p, uap, retval)); 181 } 182 183 int 184 sunos_sys_stat(p, v, retval) 185 struct proc *p; 186 void *v; 187 register_t *retval; 188 { 189 struct sunos_sys_stat_args *uap = v; 190 caddr_t sg = stackgap_init(p->p_emul); 191 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 192 193 return (compat_43_sys_stat(p, uap, retval)); 194 } 195 196 int 197 sunos_sys_lstat(p, v, retval) 198 struct proc *p; 199 void *v; 200 register_t *retval; 201 { 202 struct sunos_sys_lstat_args *uap = v; 203 caddr_t sg = stackgap_init(p->p_emul); 204 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 205 206 return (compat_43_sys_lstat(p, uap, retval)); 207 } 208 209 int 210 sunos_sys_execv(p, v, retval) 211 struct proc *p; 212 void *v; 213 register_t *retval; 214 { 215 struct sunos_sys_execv_args /* { 216 syscallarg(const char *) path; 217 syscallarg(char **) argv; 218 } */ *uap = v; 219 struct sys_execve_args ap; 220 caddr_t sg; 221 222 sg = stackgap_init(p->p_emul); 223 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 224 225 SCARG(&ap, path) = SCARG(uap, path); 226 SCARG(&ap, argp) = SCARG(uap, argp); 227 SCARG(&ap, envp) = NULL; 228 229 return (sys_execve(p, &ap, retval)); 230 } 231 232 int 233 sunos_sys_execve(p, v, retval) 234 struct proc *p; 235 void *v; 236 register_t *retval; 237 { 238 struct sunos_sys_execve_args /* { 239 syscallarg(const char *) path; 240 syscallarg(char **) argv; 241 syscallarg(char **) envp; 242 } */ *uap = v; 243 struct sys_execve_args ap; 244 caddr_t sg; 245 246 sg = stackgap_init(p->p_emul); 247 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 248 249 SCARG(&ap, path) = SCARG(uap, path); 250 SCARG(&ap, argp) = SCARG(uap, argp); 251 SCARG(&ap, envp) = SCARG(uap, envp); 252 253 return (sys_execve(p, &ap, retval)); 254 } 255 256 int 257 sunos_sys_omsync(p, v, retval) 258 struct proc *p; 259 void *v; 260 register_t *retval; 261 { 262 struct sunos_sys_omsync_args *uap = v; 263 struct sys___msync13_args ouap; 264 265 SCARG(&ouap, addr) = SCARG(uap, addr); 266 SCARG(&ouap, len) = SCARG(uap, len); 267 SCARG(&ouap, flags) = SCARG(uap, flags); 268 269 return (sys___msync13(p, &ouap, retval)); 270 } 271 272 int 273 sunos_sys_unmount(p, v, retval) 274 struct proc *p; 275 void *v; 276 register_t *retval; 277 { 278 struct sunos_sys_unmount_args *uap = v; 279 struct sys_unmount_args ouap; 280 281 SCARG(&ouap, path) = SCARG(uap, path); 282 SCARG(&ouap, flags) = 0; 283 284 return (sys_unmount(p, &ouap, retval)); 285 } 286 287 /* 288 * Conversion table for SunOS NFS mount flags. 289 */ 290 static struct { 291 int sun_flg; 292 int bsd_flg; 293 } sunnfs_flgtab[] = { 294 { SUNNFS_SOFT, NFSMNT_SOFT }, 295 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 296 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 297 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 298 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 299 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 300 { SUNNFS_INT, NFSMNT_INT }, 301 { SUNNFS_NOAC, 0 }, /* Ignored */ 302 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 303 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 304 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 305 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 306 { SUNNFS_SECURE, 0 }, /* Ignored */ 307 { SUNNFS_NOCTO, 0 }, /* Ignored */ 308 { SUNNFS_POSIX, 0 } /* Ignored */ 309 }; 310 311 int 312 sunos_sys_mount(p, v, retval) 313 struct proc *p; 314 void *v; 315 register_t *retval; 316 { 317 struct sunos_sys_mount_args *uap = v; 318 int oflags = SCARG(uap, flags), nflags, error; 319 char fsname[MFSNAMELEN]; 320 caddr_t sg = stackgap_init(p->p_emul); 321 322 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 323 return (EINVAL); 324 if ((oflags & SUNM_NEWTYPE) == 0) 325 return (EINVAL); 326 nflags = 0; 327 if (oflags & SUNM_RDONLY) 328 nflags |= MNT_RDONLY; 329 if (oflags & SUNM_NOSUID) 330 nflags |= MNT_NOSUID; 331 if (oflags & SUNM_REMOUNT) 332 nflags |= MNT_UPDATE; 333 SCARG(uap, flags) = nflags; 334 335 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 336 sizeof fsname, (size_t *)0); 337 if (error) 338 return (error); 339 340 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 341 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 342 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 343 if (error) 344 return (error); 345 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 346 struct sunos_nfs_args sna; 347 struct sockaddr_in sain; 348 struct nfs_args na; 349 struct sockaddr sa; 350 int n; 351 352 error = copyin(SCARG(uap, data), &sna, sizeof sna); 353 if (error) 354 return (error); 355 error = copyin(sna.addr, &sain, sizeof sain); 356 if (error) 357 return (error); 358 memcpy(&sa, &sain, sizeof sa); 359 sa.sa_len = sizeof(sain); 360 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 361 na.version = NFS_ARGSVERSION; 362 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 363 na.addrlen = sizeof(struct sockaddr); 364 na.sotype = SOCK_DGRAM; 365 na.proto = IPPROTO_UDP; 366 na.fh = (void *)sna.fh; 367 na.fhsize = NFSX_V2FH; 368 na.flags = 0; 369 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 370 while (--n >= 0) 371 if (sna.flags & sunnfs_flgtab[n].sun_flg) 372 na.flags |= sunnfs_flgtab[n].bsd_flg; 373 na.wsize = sna.wsize; 374 na.rsize = sna.rsize; 375 if (na.flags & NFSMNT_RSIZE) { 376 na.flags |= NFSMNT_READDIRSIZE; 377 na.readdirsize = na.rsize; 378 } 379 na.timeo = sna.timeo; 380 na.retrans = sna.retrans; 381 na.hostname = sna.hostname; 382 383 error = copyout(&sa, na.addr, sizeof sa); 384 if (error) 385 return (error); 386 error = copyout(&na, SCARG(uap, data), sizeof na); 387 if (error) 388 return (error); 389 } 390 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 391 } 392 393 #if defined(NFS) 394 int 395 async_daemon(p, v, retval) 396 struct proc *p; 397 void *v; 398 register_t *retval; 399 { 400 struct sys_nfssvc_args ouap; 401 402 SCARG(&ouap, flag) = NFSSVC_BIOD; 403 SCARG(&ouap, argp) = NULL; 404 405 return (sys_nfssvc(p, &ouap, retval)); 406 } 407 #endif /* NFS */ 408 409 void native_to_sunos_sigset __P((const sigset_t *, int *)); 410 void sunos_to_native_sigset __P((const int, sigset_t *)); 411 412 __inline__ void 413 native_to_sunos_sigset(ss, mask) 414 const sigset_t *ss; 415 int *mask; 416 { 417 *mask = ss->__bits[0]; 418 } 419 420 __inline__ void 421 sunos_to_native_sigset(mask, ss) 422 const int mask; 423 sigset_t *ss; 424 { 425 426 ss->__bits[0] = mask; 427 ss->__bits[1] = 0; 428 ss->__bits[2] = 0; 429 ss->__bits[3] = 0; 430 } 431 432 int 433 sunos_sys_sigpending(p, v, retval) 434 struct proc *p; 435 void *v; 436 register_t *retval; 437 { 438 struct sunos_sys_sigpending_args *uap = v; 439 sigset_t ss; 440 int mask; 441 442 sigpending1(p, &ss); 443 native_to_sunos_sigset(&ss, &mask); 444 445 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 446 } 447 448 int 449 sunos_sys_sigsuspend(p, v, retval) 450 register struct proc *p; 451 void *v; 452 register_t *retval; 453 { 454 struct sunos_sys_sigsuspend_args /* { 455 syscallarg(int) mask; 456 } */ *uap = v; 457 int mask; 458 sigset_t ss; 459 460 mask = SCARG(uap, mask); 461 sunos_to_native_sigset(mask, &ss); 462 return (sigsuspend1(p, &ss)); 463 } 464 465 /* 466 * Read Sun-style directory entries. We suck them into kernel space so 467 * that they can be massaged before being copied out to user code. Like 468 * SunOS, we squish out `empty' entries. 469 * 470 * This is quite ugly, but what do you expect from compatibility code? 471 */ 472 int 473 sunos_sys_getdents(p, v, retval) 474 struct proc *p; 475 void *v; 476 register_t *retval; 477 { 478 struct sunos_sys_getdents_args *uap = v; 479 struct dirent *bdp; 480 struct vnode *vp; 481 caddr_t inp, buf; /* BSD-format */ 482 int len, reclen; /* BSD-format */ 483 caddr_t outp; /* Sun-format */ 484 int resid, sunos_reclen;/* Sun-format */ 485 struct file *fp; 486 struct uio auio; 487 struct iovec aiov; 488 struct sunos_dirent idb; 489 off_t off; /* true file offset */ 490 int buflen, error, eofflag; 491 off_t *cookiebuf, *cookie; 492 int ncookies; 493 494 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 495 return (error); 496 497 if ((fp->f_flag & FREAD) == 0) 498 return (EBADF); 499 500 vp = (struct vnode *)fp->f_data; 501 if (vp->v_type != VDIR) 502 return (EINVAL); 503 504 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 505 buf = malloc(buflen, M_TEMP, M_WAITOK); 506 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 507 off = fp->f_offset; 508 again: 509 aiov.iov_base = buf; 510 aiov.iov_len = buflen; 511 auio.uio_iov = &aiov; 512 auio.uio_iovcnt = 1; 513 auio.uio_rw = UIO_READ; 514 auio.uio_segflg = UIO_SYSSPACE; 515 auio.uio_procp = p; 516 auio.uio_resid = buflen; 517 auio.uio_offset = off; 518 /* 519 * First we read into the malloc'ed buffer, then 520 * we massage it into user space, one record at a time. 521 */ 522 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 523 &ncookies); 524 if (error) 525 goto out; 526 527 inp = buf; 528 outp = SCARG(uap, buf); 529 resid = SCARG(uap, nbytes); 530 if ((len = buflen - auio.uio_resid) == 0) 531 goto eof; 532 533 for (cookie = cookiebuf; len > 0; len -= reclen) { 534 bdp = (struct dirent *)inp; 535 reclen = bdp->d_reclen; 536 if (reclen & 3) 537 panic("sunos_getdents"); 538 if ((*cookie >> 32) != 0) { 539 compat_offseterr(vp, "sunos_getdents"); 540 error = EINVAL; 541 goto out; 542 } 543 if (bdp->d_fileno == 0) { 544 inp += reclen; /* it is a hole; squish it out */ 545 off = *cookie++; 546 continue; 547 } 548 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 549 if (reclen > len || resid < sunos_reclen) { 550 /* entry too big for buffer, so just stop */ 551 outp++; 552 break; 553 } 554 off = *cookie++; /* each entry points to next */ 555 /* 556 * Massage in place to make a Sun-shaped dirent (otherwise 557 * we have to worry about touching user memory outside of 558 * the copyout() call). 559 */ 560 idb.d_fileno = bdp->d_fileno; 561 idb.d_off = off; 562 idb.d_reclen = sunos_reclen; 563 idb.d_namlen = bdp->d_namlen; 564 strcpy(idb.d_name, bdp->d_name); 565 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 566 goto out; 567 /* advance past this real entry */ 568 inp += reclen; 569 /* advance output past Sun-shaped entry */ 570 outp += sunos_reclen; 571 resid -= sunos_reclen; 572 } 573 574 /* if we squished out the whole block, try again */ 575 if (outp == SCARG(uap, buf)) 576 goto again; 577 fp->f_offset = off; /* update the vnode offset */ 578 579 eof: 580 *retval = SCARG(uap, nbytes) - resid; 581 out: 582 VOP_UNLOCK(vp, 0); 583 free(cookiebuf, M_TEMP); 584 free(buf, M_TEMP); 585 return (error); 586 } 587 588 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 589 590 int 591 sunos_sys_mmap(p, v, retval) 592 register struct proc *p; 593 void *v; 594 register_t *retval; 595 { 596 register struct sunos_sys_mmap_args *uap = v; 597 struct sys_mmap_args ouap; 598 register struct filedesc *fdp; 599 register struct file *fp; 600 register struct vnode *vp; 601 602 /* 603 * Verify the arguments. 604 */ 605 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 606 return (EINVAL); /* XXX still needed? */ 607 608 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 609 return (EINVAL); 610 611 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 612 SCARG(&ouap, addr) = SCARG(uap, addr); 613 614 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 615 SCARG(&ouap, addr) != 0 && 616 SCARG(&ouap, addr) < (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 617 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 618 619 SCARG(&ouap, len) = SCARG(uap, len); 620 SCARG(&ouap, prot) = SCARG(uap, prot); 621 SCARG(&ouap, fd) = SCARG(uap, fd); 622 SCARG(&ouap, pos) = SCARG(uap, pos); 623 624 /* 625 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 626 */ 627 fdp = p->p_fd; 628 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 629 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 630 fp->f_type == DTYPE_VNODE && /*XXX*/ 631 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 632 iszerodev(vp->v_rdev)) { /*XXX*/ 633 SCARG(&ouap, flags) |= MAP_ANON; 634 SCARG(&ouap, fd) = -1; 635 } 636 637 return (sys_mmap(p, &ouap, retval)); 638 } 639 640 #define MC_SYNC 1 641 #define MC_LOCK 2 642 #define MC_UNLOCK 3 643 #define MC_ADVISE 4 644 #define MC_LOCKAS 5 645 #define MC_UNLOCKAS 6 646 647 int 648 sunos_sys_mctl(p, v, retval) 649 register struct proc *p; 650 void *v; 651 register_t *retval; 652 { 653 register struct sunos_sys_mctl_args *uap = v; 654 655 switch (SCARG(uap, func)) { 656 case MC_ADVISE: /* ignore for now */ 657 return (0); 658 case MC_SYNC: /* translate to msync */ 659 return (sys___msync13(p, uap, retval)); 660 default: 661 return (EINVAL); 662 } 663 } 664 665 int 666 sunos_sys_setsockopt(p, v, retval) 667 struct proc *p; 668 void *v; 669 register_t *retval; 670 { 671 register struct sunos_sys_setsockopt_args *uap = v; 672 struct file *fp; 673 struct mbuf *m = NULL; 674 int error; 675 676 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 677 return (error); 678 #define SO_DONTLINGER (~SO_LINGER) 679 if (SCARG(uap, name) == SO_DONTLINGER) { 680 m = m_get(M_WAIT, MT_SOOPTS); 681 mtod(m, struct linger *)->l_onoff = 0; 682 m->m_len = sizeof(struct linger); 683 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 684 SO_LINGER, m)); 685 } 686 if (SCARG(uap, level) == IPPROTO_IP) { 687 #define SUNOS_IP_MULTICAST_IF 2 688 #define SUNOS_IP_MULTICAST_TTL 3 689 #define SUNOS_IP_MULTICAST_LOOP 4 690 #define SUNOS_IP_ADD_MEMBERSHIP 5 691 #define SUNOS_IP_DROP_MEMBERSHIP 6 692 static int ipoptxlat[] = { 693 IP_MULTICAST_IF, 694 IP_MULTICAST_TTL, 695 IP_MULTICAST_LOOP, 696 IP_ADD_MEMBERSHIP, 697 IP_DROP_MEMBERSHIP 698 }; 699 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 700 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 701 SCARG(uap, name) = 702 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 703 } 704 } 705 if (SCARG(uap, valsize) > MLEN) 706 return (EINVAL); 707 if (SCARG(uap, val)) { 708 m = m_get(M_WAIT, MT_SOOPTS); 709 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 710 (u_int)SCARG(uap, valsize)); 711 if (error) { 712 (void) m_free(m); 713 return (error); 714 } 715 m->m_len = SCARG(uap, valsize); 716 } 717 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 718 SCARG(uap, name), m)); 719 } 720 721 /* 722 * XXX: This needs cleaning up. 723 */ 724 int 725 sunos_sys_auditsys(p, v, retval) 726 struct proc *p; 727 void *v; 728 register_t *retval; 729 { 730 return 0; 731 } 732 733 int 734 sunos_sys_uname(p, v, retval) 735 struct proc *p; 736 void *v; 737 register_t *retval; 738 { 739 struct sunos_sys_uname_args *uap = v; 740 struct sunos_utsname sut; 741 extern char ostype[], machine[], osrelease[]; 742 743 memset(&sut, 0, sizeof(sut)); 744 745 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 746 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 747 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 748 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 749 memcpy(sut.version, "1", sizeof(sut.version) - 1); 750 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 751 752 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 753 sizeof(struct sunos_utsname)); 754 } 755 756 int 757 sunos_sys_setpgrp(p, v, retval) 758 struct proc *p; 759 void *v; 760 register_t *retval; 761 { 762 struct sunos_sys_setpgrp_args *uap = v; 763 764 /* 765 * difference to our setpgid call is to include backwards 766 * compatibility to pre-setsid() binaries. Do setsid() 767 * instead of setpgid() in those cases where the process 768 * tries to create a new session the old way. 769 */ 770 if (!SCARG(uap, pgid) && 771 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 772 return sys_setsid(p, uap, retval); 773 else 774 return sys_setpgid(p, uap, retval); 775 } 776 777 int 778 sunos_sys_open(p, v, retval) 779 struct proc *p; 780 void *v; 781 register_t *retval; 782 { 783 struct sunos_sys_open_args *uap = v; 784 int l, r; 785 int noctty; 786 int ret; 787 788 caddr_t sg = stackgap_init(p->p_emul); 789 790 /* convert mode into NetBSD mode */ 791 l = SCARG(uap, flags); 792 noctty = l & 0x8000; 793 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 794 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 795 r |= ((l & 0x0080) ? O_SHLOCK : 0); 796 r |= ((l & 0x0100) ? O_EXLOCK : 0); 797 r |= ((l & 0x2000) ? O_FSYNC : 0); 798 799 if (r & O_CREAT) 800 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 801 else 802 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 803 804 SCARG(uap, flags) = r; 805 ret = sys_open(p, (struct sys_open_args *)uap, retval); 806 807 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 808 struct filedesc *fdp = p->p_fd; 809 struct file *fp = fdp->fd_ofiles[*retval]; 810 811 /* ignore any error, just give it a try */ 812 if (fp->f_type == DTYPE_VNODE) 813 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 814 } 815 return ret; 816 } 817 818 #if defined (NFSSERVER) 819 int 820 sunos_sys_nfssvc(p, v, retval) 821 struct proc *p; 822 void *v; 823 register_t *retval; 824 { 825 #if 0 826 struct sunos_sys_nfssvc_args *uap = v; 827 struct emul *e = p->p_emul; 828 struct sys_nfssvc_args outuap; 829 struct sockaddr sa; 830 int error; 831 caddr_t sg = stackgap_init(p->p_emul); 832 833 memset(&outuap, 0, sizeof outuap); 834 SCARG(&outuap, fd) = SCARG(uap, fd); 835 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 836 SCARG(&outuap, msklen) = sizeof(sa); 837 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 838 SCARG(&outuap, mtchlen) = sizeof(sa); 839 840 memset(&sa, 0, sizeof sa); 841 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 842 return (error); 843 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 844 return (error); 845 846 return nfssvc(p, &outuap, retval); 847 #else 848 return (ENOSYS); 849 #endif 850 } 851 #endif /* NFSSERVER */ 852 853 int 854 sunos_sys_ustat(p, v, retval) 855 struct proc *p; 856 void *v; 857 register_t *retval; 858 { 859 struct sunos_sys_ustat_args *uap = v; 860 struct sunos_ustat us; 861 int error; 862 863 memset(&us, 0, sizeof us); 864 865 /* 866 * XXX: should set f_tfree and f_tinode at least 867 * How do we translate dev -> fstat? (and then to sunos_ustat) 868 */ 869 870 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 871 return (error); 872 return 0; 873 } 874 875 int 876 sunos_sys_quotactl(p, v, retval) 877 struct proc *p; 878 void *v; 879 register_t *retval; 880 { 881 882 return EINVAL; 883 } 884 885 int 886 sunos_sys_vhangup(p, v, retval) 887 struct proc *p; 888 void *v; 889 register_t *retval; 890 { 891 struct session *sp = p->p_session; 892 893 if (sp->s_ttyvp == 0) 894 return 0; 895 896 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 897 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 898 899 (void) ttywait(sp->s_ttyp); 900 if (sp->s_ttyvp) 901 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 902 if (sp->s_ttyvp) 903 vrele(sp->s_ttyvp); 904 sp->s_ttyvp = NULL; 905 906 return 0; 907 } 908 909 static int 910 sunstatfs(sp, buf) 911 struct statfs *sp; 912 caddr_t buf; 913 { 914 struct sunos_statfs ssfs; 915 916 memset(&ssfs, 0, sizeof ssfs); 917 ssfs.f_type = 0; 918 ssfs.f_bsize = sp->f_bsize; 919 ssfs.f_blocks = sp->f_blocks; 920 ssfs.f_bfree = sp->f_bfree; 921 ssfs.f_bavail = sp->f_bavail; 922 ssfs.f_files = sp->f_files; 923 ssfs.f_ffree = sp->f_ffree; 924 ssfs.f_fsid = sp->f_fsid; 925 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 926 } 927 928 int 929 sunos_sys_statfs(p, v, retval) 930 struct proc *p; 931 void *v; 932 register_t *retval; 933 { 934 struct sunos_sys_statfs_args *uap = v; 935 register struct mount *mp; 936 register struct statfs *sp; 937 int error; 938 struct nameidata nd; 939 940 caddr_t sg = stackgap_init(p->p_emul); 941 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 942 943 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 944 if ((error = namei(&nd)) != 0) 945 return (error); 946 mp = nd.ni_vp->v_mount; 947 sp = &mp->mnt_stat; 948 vrele(nd.ni_vp); 949 if ((error = VFS_STATFS(mp, sp, p)) != 0) 950 return (error); 951 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 952 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 953 } 954 955 int 956 sunos_sys_fstatfs(p, v, retval) 957 struct proc *p; 958 void *v; 959 register_t *retval; 960 { 961 struct sunos_sys_fstatfs_args *uap = v; 962 struct file *fp; 963 struct mount *mp; 964 register struct statfs *sp; 965 int error; 966 967 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 968 return (error); 969 mp = ((struct vnode *)fp->f_data)->v_mount; 970 sp = &mp->mnt_stat; 971 if ((error = VFS_STATFS(mp, sp, p)) != 0) 972 return (error); 973 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 974 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 975 } 976 977 int 978 sunos_sys_exportfs(p, v, retval) 979 struct proc *p; 980 void *v; 981 register_t *retval; 982 { 983 /* 984 * XXX: should perhaps translate into a mount(2) 985 * with MOUNT_EXPORT? 986 */ 987 return 0; 988 } 989 990 int 991 sunos_sys_mknod(p, v, retval) 992 struct proc *p; 993 void *v; 994 register_t *retval; 995 { 996 struct sunos_sys_mknod_args *uap = v; 997 998 caddr_t sg = stackgap_init(p->p_emul); 999 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1000 1001 if (S_ISFIFO(SCARG(uap, mode))) 1002 return sys_mkfifo(p, uap, retval); 1003 1004 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 1005 } 1006 1007 #define SUNOS_SC_ARG_MAX 1 1008 #define SUNOS_SC_CHILD_MAX 2 1009 #define SUNOS_SC_CLK_TCK 3 1010 #define SUNOS_SC_NGROUPS_MAX 4 1011 #define SUNOS_SC_OPEN_MAX 5 1012 #define SUNOS_SC_JOB_CONTROL 6 1013 #define SUNOS_SC_SAVED_IDS 7 1014 #define SUNOS_SC_VERSION 8 1015 1016 int 1017 sunos_sys_sysconf(p, v, retval) 1018 struct proc *p; 1019 void *v; 1020 register_t *retval; 1021 { 1022 struct sunos_sys_sysconf_args *uap = v; 1023 extern int maxfiles; 1024 1025 switch(SCARG(uap, name)) { 1026 case SUNOS_SC_ARG_MAX: 1027 *retval = ARG_MAX; 1028 break; 1029 case SUNOS_SC_CHILD_MAX: 1030 *retval = maxproc; 1031 break; 1032 case SUNOS_SC_CLK_TCK: 1033 *retval = 60; /* should this be `hz', ie. 100? */ 1034 break; 1035 case SUNOS_SC_NGROUPS_MAX: 1036 *retval = NGROUPS_MAX; 1037 break; 1038 case SUNOS_SC_OPEN_MAX: 1039 *retval = maxfiles; 1040 break; 1041 case SUNOS_SC_JOB_CONTROL: 1042 *retval = 1; 1043 break; 1044 case SUNOS_SC_SAVED_IDS: 1045 #ifdef _POSIX_SAVED_IDS 1046 *retval = 1; 1047 #else 1048 *retval = 0; 1049 #endif 1050 break; 1051 case SUNOS_SC_VERSION: 1052 *retval = 198808; 1053 break; 1054 default: 1055 return EINVAL; 1056 } 1057 return 0; 1058 } 1059 1060 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1061 #define SUNOS_RLIM_NLIMITS 7 1062 1063 int 1064 sunos_sys_getrlimit(p, v, retval) 1065 struct proc *p; 1066 void *v; 1067 register_t *retval; 1068 { 1069 struct sunos_sys_getrlimit_args *uap = v; 1070 1071 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1072 return EINVAL; 1073 1074 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1075 SCARG(uap, which) = RLIMIT_NOFILE; 1076 1077 return compat_43_sys_getrlimit(p, uap, retval); 1078 } 1079 1080 int 1081 sunos_sys_setrlimit(p, v, retval) 1082 struct proc *p; 1083 void *v; 1084 register_t *retval; 1085 { 1086 struct sunos_sys_getrlimit_args *uap = v; 1087 1088 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1089 return EINVAL; 1090 1091 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1092 SCARG(uap, which) = RLIMIT_NOFILE; 1093 1094 return compat_43_sys_setrlimit(p, uap, retval); 1095 } 1096 1097 /* for the m68k machines */ 1098 #ifndef PT_GETFPREGS 1099 #define PT_GETFPREGS -1 1100 #endif 1101 #ifndef PT_SETFPREGS 1102 #define PT_SETFPREGS -1 1103 #endif 1104 1105 static int sreq2breq[] = { 1106 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1107 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1108 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1109 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1110 }; 1111 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1112 1113 int 1114 sunos_sys_ptrace(p, v, retval) 1115 struct proc *p; 1116 void *v; 1117 register_t *retval; 1118 { 1119 struct sunos_sys_ptrace_args *uap = v; 1120 struct sys_ptrace_args pa; 1121 int req; 1122 1123 req = SCARG(uap, req); 1124 1125 if (req < 0 || req >= nreqs) 1126 return (EINVAL); 1127 1128 req = sreq2breq[req]; 1129 if (req == -1) 1130 return (EINVAL); 1131 1132 SCARG(&pa, req) = req; 1133 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1134 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1135 SCARG(&pa, data) = SCARG(uap, data); 1136 1137 return sys_ptrace(p, &pa, retval); 1138 } 1139 1140 /* 1141 * SunOS reboot system call (for compatibility). 1142 * Sun lets you pass in a boot string which the PROM 1143 * saves and provides to the next boot program. 1144 */ 1145 1146 #define SUNOS_RB_ASKNAME 0x001 1147 #define SUNOS_RB_SINGLE 0x002 1148 #define SUNOS_RB_NOSYNC 0x004 1149 #define SUNOS_RB_HALT 0x008 1150 #define SUNOS_RB_DUMP 0x080 1151 #define SUNOS_RB_STRING 0x200 1152 1153 static struct sunos_howto_conv { 1154 int sun_howto; 1155 int bsd_howto; 1156 } sunos_howto_conv[] = { 1157 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1158 { SUNOS_RB_SINGLE, RB_SINGLE }, 1159 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1160 { SUNOS_RB_HALT, RB_HALT }, 1161 { SUNOS_RB_DUMP, RB_DUMP }, 1162 { SUNOS_RB_STRING, RB_STRING }, 1163 { 0x000, 0 }, 1164 }; 1165 1166 int 1167 sunos_sys_reboot(p, v, retval) 1168 struct proc *p; 1169 void *v; 1170 register_t *retval; 1171 { 1172 struct sunos_sys_reboot_args *uap = v; 1173 struct sys_reboot_args ua; 1174 struct sunos_howto_conv *convp; 1175 int error, bsd_howto, sun_howto; 1176 char *bootstr; 1177 1178 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1179 return (error); 1180 1181 /* 1182 * Convert howto bits to BSD format. 1183 */ 1184 sun_howto = SCARG(uap, howto); 1185 bsd_howto = 0; 1186 convp = sunos_howto_conv; 1187 while (convp->sun_howto) { 1188 if (sun_howto & convp->sun_howto) 1189 bsd_howto |= convp->bsd_howto; 1190 convp++; 1191 } 1192 1193 /* 1194 * Sun RB_STRING (Get user supplied bootstring.) 1195 * If the machine supports passing a string to the 1196 * next booted kernel. 1197 */ 1198 if (sun_howto & SUNOS_RB_STRING) { 1199 char bs[128]; 1200 1201 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1202 1203 if (error) 1204 bootstr = NULL; 1205 else 1206 bootstr = bs; 1207 } else 1208 bootstr = NULL; 1209 1210 SCARG(&ua, opt) = bsd_howto; 1211 SCARG(&ua, bootstr) = bootstr; 1212 sys_reboot(p, &ua, retval); 1213 return(0); 1214 } 1215 1216 /* 1217 * Generalized interface signal handler, 4.3-compatible. 1218 */ 1219 /* ARGSUSED */ 1220 int 1221 sunos_sys_sigvec(p, v, retval) 1222 struct proc *p; 1223 void *v; 1224 register_t *retval; 1225 { 1226 struct sunos_sys_sigvec_args /* { 1227 syscallarg(int) signum; 1228 syscallarg(struct sigvec *) nsv; 1229 syscallarg(struct sigvec *) osv; 1230 } */ *uap = v; 1231 struct sigvec nsv, osv; 1232 struct sigaction nsa, osa; 1233 int error; 1234 /*XXX*/extern void compat_43_sigvec_to_sigaction 1235 __P((const struct sigvec *, struct sigaction *)); 1236 /*XXX*/extern void compat_43_sigaction_to_sigvec 1237 __P((const struct sigaction *, struct sigvec *)); 1238 1239 if (SCARG(uap, nsv)) { 1240 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1241 if (error != 0) 1242 return (error); 1243 1244 /* 1245 * SunOS uses the mask 0x0004 as SV_RESETHAND 1246 * meaning: `reset to SIG_DFL on delivery'. 1247 * We support only the bits in: 0xF 1248 * (those bits are the same as ours) 1249 */ 1250 if (nsv.sv_flags & ~0xF) 1251 return (EINVAL); 1252 1253 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1254 } 1255 error = sigaction1(p, SCARG(uap, signum), 1256 SCARG(uap, nsv) ? &nsa : 0, 1257 SCARG(uap, osv) ? &osa : 0); 1258 if (error != 0) 1259 return (error); 1260 1261 if (SCARG(uap, osv)) { 1262 compat_43_sigaction_to_sigvec(&osa, &osv); 1263 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1264 if (error != 0) 1265 return (error); 1266 } 1267 1268 return (0); 1269 } 1270