1 /* $NetBSD: sunos_misc.c,v 1.80 1997/06/13 19:08:25 thorpej 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 #include <sys/param.h> 57 #include <sys/systm.h> 58 #include <sys/namei.h> 59 #include <sys/proc.h> 60 #include <sys/dirent.h> 61 #include <sys/file.h> 62 #include <sys/stat.h> 63 #include <sys/filedesc.h> 64 #include <sys/ioctl.h> 65 #include <sys/kernel.h> 66 #include <sys/reboot.h> 67 #include <sys/malloc.h> 68 #include <sys/mbuf.h> 69 #include <sys/mman.h> 70 #include <sys/mount.h> 71 #include <sys/ptrace.h> 72 #include <sys/resource.h> 73 #include <sys/resourcevar.h> 74 #include <sys/signal.h> 75 #include <sys/signalvar.h> 76 #include <sys/socket.h> 77 #include <sys/tty.h> 78 #include <sys/vnode.h> 79 #include <sys/uio.h> 80 #include <sys/wait.h> 81 #include <sys/utsname.h> 82 #include <sys/unistd.h> 83 #include <sys/syscallargs.h> 84 #include <sys/conf.h> 85 #include <sys/socketvar.h> 86 #include <sys/exec.h> 87 88 #include <compat/sunos/sunos.h> 89 #include <compat/sunos/sunos_syscallargs.h> 90 #include <compat/sunos/sunos_util.h> 91 #include <compat/sunos/sunos_dirent.h> 92 93 #include <netinet/in.h> 94 95 #include <miscfs/specfs/specdev.h> 96 97 #include <nfs/rpcv2.h> 98 #include <nfs/nfsproto.h> 99 #include <nfs/nfs.h> 100 101 #include <vm/vm.h> 102 #include <vm/vm_swap.h> 103 104 static int sunstatfs __P((struct statfs *, caddr_t)); 105 106 int 107 sunos_sys_stime(p, v, retval) 108 struct proc *p; 109 void *v; 110 register_t *retval; 111 { 112 struct sunos_sys_stime_args *uap = v; 113 struct sys_settimeofday_args ap; 114 caddr_t sg = stackgap_init(p->p_emul); 115 struct timeval tv, *sgtvp; 116 int error; 117 118 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 119 if (error) 120 return error; 121 tv.tv_usec = 0; 122 123 SCARG(&ap, tv) = sgtvp = stackgap_alloc(&sg, sizeof(struct timeval)); 124 SCARG(&ap, tzp) = NULL; 125 126 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 127 if (error) 128 return error; 129 130 return sys_settimeofday(p, &ap, retval); 131 } 132 133 int 134 sunos_sys_wait4(p, v, retval) 135 struct proc *p; 136 void *v; 137 register_t *retval; 138 { 139 struct sunos_sys_wait4_args *uap = v; 140 if (SCARG(uap, pid) == 0) 141 SCARG(uap, pid) = WAIT_ANY; 142 return (sys_wait4(p, uap, retval)); 143 } 144 145 int 146 sunos_sys_creat(p, v, retval) 147 struct proc *p; 148 void *v; 149 register_t *retval; 150 { 151 struct sunos_sys_creat_args *uap = v; 152 struct sys_open_args ouap; 153 154 caddr_t sg = stackgap_init(p->p_emul); 155 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 156 157 SCARG(&ouap, path) = SCARG(uap, path); 158 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 159 SCARG(&ouap, mode) = SCARG(uap, mode); 160 161 return (sys_open(p, &ouap, retval)); 162 } 163 164 int 165 sunos_sys_access(p, v, retval) 166 struct proc *p; 167 void *v; 168 register_t *retval; 169 { 170 struct sunos_sys_access_args *uap = v; 171 caddr_t sg = stackgap_init(p->p_emul); 172 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 173 174 return (sys_access(p, uap, retval)); 175 } 176 177 int 178 sunos_sys_stat(p, v, retval) 179 struct proc *p; 180 void *v; 181 register_t *retval; 182 { 183 struct sunos_sys_stat_args *uap = v; 184 caddr_t sg = stackgap_init(p->p_emul); 185 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 186 187 return (compat_43_sys_stat(p, uap, retval)); 188 } 189 190 int 191 sunos_sys_lstat(p, v, retval) 192 struct proc *p; 193 void *v; 194 register_t *retval; 195 { 196 struct sunos_sys_lstat_args *uap = v; 197 caddr_t sg = stackgap_init(p->p_emul); 198 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 199 200 return (compat_43_sys_lstat(p, uap, retval)); 201 } 202 203 int 204 sunos_sys_execv(p, v, retval) 205 struct proc *p; 206 void *v; 207 register_t *retval; 208 { 209 struct sunos_sys_execv_args /* { 210 syscallarg(char *) path; 211 syscallarg(char **) argv; 212 } */ *uap = v; 213 struct sys_execve_args ap; 214 caddr_t sg; 215 216 sg = stackgap_init(p->p_emul); 217 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 218 219 SCARG(&ap, path) = SCARG(uap, path); 220 SCARG(&ap, argp) = SCARG(uap, argp); 221 SCARG(&ap, envp) = NULL; 222 223 return (sys_execve(p, &ap, retval)); 224 } 225 226 int 227 sunos_sys_execve(p, v, retval) 228 struct proc *p; 229 void *v; 230 register_t *retval; 231 { 232 struct sunos_sys_execve_args /* { 233 syscallarg(char *) path; 234 syscallarg(char **) argv; 235 syscallarg(char **) envp; 236 } */ *uap = v; 237 struct sys_execve_args ap; 238 caddr_t sg; 239 240 sg = stackgap_init(p->p_emul); 241 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 242 243 SCARG(&ap, path) = SCARG(uap, path); 244 SCARG(&ap, argp) = SCARG(uap, argp); 245 SCARG(&ap, envp) = SCARG(uap, envp); 246 247 return (sys_execve(p, &ap, retval)); 248 } 249 250 int 251 sunos_sys_omsync(p, v, retval) 252 struct proc *p; 253 void *v; 254 register_t *retval; 255 { 256 struct sunos_sys_omsync_args *uap = v; 257 struct sys_msync_args ouap; 258 259 if (SCARG(uap, flags)) 260 return (EINVAL); 261 SCARG(&ouap, addr) = SCARG(uap, addr); 262 SCARG(&ouap, len) = SCARG(uap, len); 263 264 return (sys_msync(p, &ouap, retval)); 265 } 266 267 int 268 sunos_sys_unmount(p, v, retval) 269 struct proc *p; 270 void *v; 271 register_t *retval; 272 { 273 struct sunos_sys_unmount_args *uap = v; 274 struct sys_unmount_args ouap; 275 276 SCARG(&ouap, path) = SCARG(uap, path); 277 SCARG(&ouap, flags) = 0; 278 279 return (sys_unmount(p, &ouap, retval)); 280 } 281 282 /* 283 * Conversion table for SunOS NFS mount flags. 284 */ 285 static struct { 286 int sun_flg; 287 int bsd_flg; 288 } sunnfs_flgtab[] = { 289 { SUNNFS_SOFT, NFSMNT_SOFT }, 290 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 291 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 292 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 293 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 294 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 295 { SUNNFS_INT, NFSMNT_INT }, 296 { SUNNFS_NOAC, 0 }, /* Ignored */ 297 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 298 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 299 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 300 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 301 { SUNNFS_SECURE, 0 }, /* Ignored */ 302 { SUNNFS_NOCTO, 0 }, /* Ignored */ 303 { SUNNFS_POSIX, 0 } /* Ignored */ 304 }; 305 306 int 307 sunos_sys_mount(p, v, retval) 308 struct proc *p; 309 void *v; 310 register_t *retval; 311 { 312 struct sunos_sys_mount_args *uap = v; 313 int oflags = SCARG(uap, flags), nflags, error; 314 char fsname[MFSNAMELEN]; 315 caddr_t sg = stackgap_init(p->p_emul); 316 317 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 318 return (EINVAL); 319 if ((oflags & SUNM_NEWTYPE) == 0) 320 return (EINVAL); 321 nflags = 0; 322 if (oflags & SUNM_RDONLY) 323 nflags |= MNT_RDONLY; 324 if (oflags & SUNM_NOSUID) 325 nflags |= MNT_NOSUID; 326 if (oflags & SUNM_REMOUNT) 327 nflags |= MNT_UPDATE; 328 SCARG(uap, flags) = nflags; 329 330 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 331 sizeof fsname, (size_t *)0); 332 if (error) 333 return (error); 334 335 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 336 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 337 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 338 if (error) 339 return (error); 340 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 341 struct sunos_nfs_args sna; 342 struct sockaddr_in sain; 343 struct nfs_args na; 344 struct sockaddr sa; 345 int n; 346 347 error = copyin(SCARG(uap, data), &sna, sizeof sna); 348 if (error) 349 return (error); 350 error = copyin(sna.addr, &sain, sizeof sain); 351 if (error) 352 return (error); 353 bcopy(&sain, &sa, sizeof sa); 354 sa.sa_len = sizeof(sain); 355 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 356 na.version = NFS_ARGSVERSION; 357 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 358 na.addrlen = sizeof(struct sockaddr); 359 na.sotype = SOCK_DGRAM; 360 na.proto = IPPROTO_UDP; 361 na.fh = (void *)sna.fh; 362 na.fhsize = NFSX_V2FH; 363 na.flags = 0; 364 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 365 while (--n >= 0) 366 if (sna.flags & sunnfs_flgtab[n].sun_flg) 367 na.flags |= sunnfs_flgtab[n].bsd_flg; 368 na.wsize = sna.wsize; 369 na.rsize = sna.rsize; 370 if (na.flags & NFSMNT_RSIZE) { 371 na.flags |= NFSMNT_READDIRSIZE; 372 na.readdirsize = na.rsize; 373 } 374 na.timeo = sna.timeo; 375 na.retrans = sna.retrans; 376 na.hostname = sna.hostname; 377 378 error = copyout(&sa, na.addr, sizeof sa); 379 if (error) 380 return (error); 381 error = copyout(&na, SCARG(uap, data), sizeof na); 382 if (error) 383 return (error); 384 } 385 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 386 } 387 388 #if defined(NFS) 389 int 390 async_daemon(p, v, retval) 391 struct proc *p; 392 void *v; 393 register_t *retval; 394 { 395 struct sys_nfssvc_args ouap; 396 397 SCARG(&ouap, flag) = NFSSVC_BIOD; 398 SCARG(&ouap, argp) = NULL; 399 400 return (sys_nfssvc(p, &ouap, retval)); 401 } 402 #endif /* NFS */ 403 404 int 405 sunos_sys_sigpending(p, v, retval) 406 struct proc *p; 407 void *v; 408 register_t *retval; 409 { 410 struct sunos_sys_sigpending_args *uap = v; 411 int mask = p->p_siglist & p->p_sigmask; 412 413 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 414 } 415 416 /* 417 * Read Sun-style directory entries. We suck them into kernel space so 418 * that they can be massaged before being copied out to user code. Like 419 * SunOS, we squish out `empty' entries. 420 * 421 * This is quite ugly, but what do you expect from compatibility code? 422 */ 423 int 424 sunos_sys_getdents(p, v, retval) 425 struct proc *p; 426 void *v; 427 register_t *retval; 428 { 429 struct sunos_sys_getdents_args *uap = v; 430 struct dirent *bdp; 431 struct vnode *vp; 432 caddr_t inp, buf; /* BSD-format */ 433 int len, reclen; /* BSD-format */ 434 caddr_t outp; /* Sun-format */ 435 int resid, sunos_reclen;/* Sun-format */ 436 struct file *fp; 437 struct uio auio; 438 struct iovec aiov; 439 struct sunos_dirent idb; 440 off_t off; /* true file offset */ 441 int buflen, error, eofflag; 442 u_long *cookiebuf, *cookie; 443 int ncookies; 444 445 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 446 return (error); 447 448 if ((fp->f_flag & FREAD) == 0) 449 return (EBADF); 450 451 vp = (struct vnode *)fp->f_data; 452 453 if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */ 454 return (EINVAL); 455 456 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 457 buf = malloc(buflen, M_TEMP, M_WAITOK); 458 ncookies = buflen / 16; 459 cookiebuf = malloc(ncookies * sizeof(*cookiebuf), M_TEMP, M_WAITOK); 460 VOP_LOCK(vp); 461 off = fp->f_offset; 462 again: 463 aiov.iov_base = buf; 464 aiov.iov_len = buflen; 465 auio.uio_iov = &aiov; 466 auio.uio_iovcnt = 1; 467 auio.uio_rw = UIO_READ; 468 auio.uio_segflg = UIO_SYSSPACE; 469 auio.uio_procp = p; 470 auio.uio_resid = buflen; 471 auio.uio_offset = off; 472 /* 473 * First we read into the malloc'ed buffer, then 474 * we massage it into user space, one record at a time. 475 */ 476 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, cookiebuf, 477 ncookies); 478 if (error) 479 goto out; 480 481 inp = buf; 482 outp = SCARG(uap, buf); 483 resid = SCARG(uap, nbytes); 484 if ((len = buflen - auio.uio_resid) == 0) 485 goto eof; 486 487 for (cookie = cookiebuf; len > 0; len -= reclen) { 488 bdp = (struct dirent *)inp; 489 reclen = bdp->d_reclen; 490 if (reclen & 3) 491 panic("sunos_getdents"); 492 off = *cookie++; /* each entry points to next */ 493 if (bdp->d_fileno == 0) { 494 inp += reclen; /* it is a hole; squish it out */ 495 continue; 496 } 497 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 498 if (reclen > len || resid < sunos_reclen) { 499 /* entry too big for buffer, so just stop */ 500 outp++; 501 break; 502 } 503 /* 504 * Massage in place to make a Sun-shaped dirent (otherwise 505 * we have to worry about touching user memory outside of 506 * the copyout() call). 507 */ 508 idb.d_fileno = bdp->d_fileno; 509 idb.d_off = off; 510 idb.d_reclen = sunos_reclen; 511 idb.d_namlen = bdp->d_namlen; 512 strcpy(idb.d_name, bdp->d_name); 513 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 514 goto out; 515 /* advance past this real entry */ 516 inp += reclen; 517 /* advance output past Sun-shaped entry */ 518 outp += sunos_reclen; 519 resid -= sunos_reclen; 520 } 521 522 /* if we squished out the whole block, try again */ 523 if (outp == SCARG(uap, buf)) 524 goto again; 525 fp->f_offset = off; /* update the vnode offset */ 526 527 eof: 528 *retval = SCARG(uap, nbytes) - resid; 529 out: 530 VOP_UNLOCK(vp); 531 free(cookiebuf, M_TEMP); 532 free(buf, M_TEMP); 533 return (error); 534 } 535 536 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 537 538 int 539 sunos_sys_mmap(p, v, retval) 540 register struct proc *p; 541 void *v; 542 register_t *retval; 543 { 544 register struct sunos_sys_mmap_args *uap = v; 545 struct sys_mmap_args ouap; 546 register struct filedesc *fdp; 547 register struct file *fp; 548 register struct vnode *vp; 549 550 /* 551 * Verify the arguments. 552 */ 553 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 554 return (EINVAL); /* XXX still needed? */ 555 556 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 557 return (EINVAL); 558 559 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 560 SCARG(&ouap, addr) = SCARG(uap, addr); 561 562 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 563 SCARG(&ouap, addr) != 0 && 564 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 565 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 566 567 SCARG(&ouap, len) = SCARG(uap, len); 568 SCARG(&ouap, prot) = SCARG(uap, prot); 569 SCARG(&ouap, fd) = SCARG(uap, fd); 570 SCARG(&ouap, pos) = SCARG(uap, pos); 571 572 /* 573 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 574 */ 575 fdp = p->p_fd; 576 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 577 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 578 fp->f_type == DTYPE_VNODE && /*XXX*/ 579 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 580 iszerodev(vp->v_rdev)) { /*XXX*/ 581 SCARG(&ouap, flags) |= MAP_ANON; 582 SCARG(&ouap, fd) = -1; 583 } 584 585 return (sys_mmap(p, &ouap, retval)); 586 } 587 588 #define MC_SYNC 1 589 #define MC_LOCK 2 590 #define MC_UNLOCK 3 591 #define MC_ADVISE 4 592 #define MC_LOCKAS 5 593 #define MC_UNLOCKAS 6 594 595 int 596 sunos_sys_mctl(p, v, retval) 597 register struct proc *p; 598 void *v; 599 register_t *retval; 600 { 601 register struct sunos_sys_mctl_args *uap = v; 602 603 switch (SCARG(uap, func)) { 604 case MC_ADVISE: /* ignore for now */ 605 return (0); 606 case MC_SYNC: /* translate to msync */ 607 return (sys_msync(p, uap, retval)); 608 default: 609 return (EINVAL); 610 } 611 } 612 613 int 614 sunos_sys_setsockopt(p, v, retval) 615 struct proc *p; 616 void *v; 617 register_t *retval; 618 { 619 register struct sunos_sys_setsockopt_args *uap = v; 620 struct file *fp; 621 struct mbuf *m = NULL; 622 int error; 623 624 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 625 return (error); 626 #define SO_DONTLINGER (~SO_LINGER) 627 if (SCARG(uap, name) == SO_DONTLINGER) { 628 m = m_get(M_WAIT, MT_SOOPTS); 629 mtod(m, struct linger *)->l_onoff = 0; 630 m->m_len = sizeof(struct linger); 631 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 632 SO_LINGER, m)); 633 } 634 if (SCARG(uap, level) == IPPROTO_IP) { 635 #define SUNOS_IP_MULTICAST_IF 2 636 #define SUNOS_IP_MULTICAST_TTL 3 637 #define SUNOS_IP_MULTICAST_LOOP 4 638 #define SUNOS_IP_ADD_MEMBERSHIP 5 639 #define SUNOS_IP_DROP_MEMBERSHIP 6 640 static int ipoptxlat[] = { 641 IP_MULTICAST_IF, 642 IP_MULTICAST_TTL, 643 IP_MULTICAST_LOOP, 644 IP_ADD_MEMBERSHIP, 645 IP_DROP_MEMBERSHIP 646 }; 647 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 648 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 649 SCARG(uap, name) = 650 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 651 } 652 } 653 if (SCARG(uap, valsize) > MLEN) 654 return (EINVAL); 655 if (SCARG(uap, val)) { 656 m = m_get(M_WAIT, MT_SOOPTS); 657 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 658 (u_int)SCARG(uap, valsize)); 659 if (error) { 660 (void) m_free(m); 661 return (error); 662 } 663 m->m_len = SCARG(uap, valsize); 664 } 665 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 666 SCARG(uap, name), m)); 667 } 668 669 int 670 sunos_sys_fchroot(p, v, retval) 671 register struct proc *p; 672 void *v; 673 register_t *retval; 674 { 675 register struct sunos_sys_fchroot_args *uap = v; 676 register struct filedesc *fdp = p->p_fd; 677 register struct vnode *vp; 678 struct file *fp; 679 int error; 680 681 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 682 return (error); 683 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 684 return (error); 685 vp = (struct vnode *)fp->f_data; 686 VOP_LOCK(vp); 687 if (vp->v_type != VDIR) 688 error = ENOTDIR; 689 else 690 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 691 VOP_UNLOCK(vp); 692 if (error) 693 return (error); 694 VREF(vp); 695 if (fdp->fd_rdir != NULL) 696 vrele(fdp->fd_rdir); 697 fdp->fd_rdir = vp; 698 return (0); 699 } 700 701 /* 702 * XXX: This needs cleaning up. 703 */ 704 int 705 sunos_sys_auditsys(p, v, retval) 706 struct proc *p; 707 void *v; 708 register_t *retval; 709 { 710 return 0; 711 } 712 713 int 714 sunos_sys_uname(p, v, retval) 715 struct proc *p; 716 void *v; 717 register_t *retval; 718 { 719 struct sunos_sys_uname_args *uap = v; 720 struct sunos_utsname sut; 721 extern char ostype[], machine[], osrelease[]; 722 723 bzero(&sut, sizeof(sut)); 724 725 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 726 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 727 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 728 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 729 bcopy("1", sut.version, sizeof(sut.version) - 1); 730 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 731 732 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 733 sizeof(struct sunos_utsname)); 734 } 735 736 int 737 sunos_sys_setpgrp(p, v, retval) 738 struct proc *p; 739 void *v; 740 register_t *retval; 741 { 742 struct sunos_sys_setpgrp_args *uap = v; 743 744 /* 745 * difference to our setpgid call is to include backwards 746 * compatibility to pre-setsid() binaries. Do setsid() 747 * instead of setpgid() in those cases where the process 748 * tries to create a new session the old way. 749 */ 750 if (!SCARG(uap, pgid) && 751 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 752 return sys_setsid(p, uap, retval); 753 else 754 return sys_setpgid(p, uap, retval); 755 } 756 757 int 758 sunos_sys_open(p, v, retval) 759 struct proc *p; 760 void *v; 761 register_t *retval; 762 { 763 struct sunos_sys_open_args *uap = v; 764 int l, r; 765 int noctty; 766 int ret; 767 768 caddr_t sg = stackgap_init(p->p_emul); 769 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 770 771 /* convert mode into NetBSD mode */ 772 l = SCARG(uap, flags); 773 noctty = l & 0x8000; 774 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 775 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 776 r |= ((l & 0x0080) ? O_SHLOCK : 0); 777 r |= ((l & 0x0100) ? O_EXLOCK : 0); 778 r |= ((l & 0x2000) ? O_FSYNC : 0); 779 780 SCARG(uap, flags) = r; 781 ret = sys_open(p, (struct sys_open_args *)uap, retval); 782 783 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 784 struct filedesc *fdp = p->p_fd; 785 struct file *fp = fdp->fd_ofiles[*retval]; 786 787 /* ignore any error, just give it a try */ 788 if (fp->f_type == DTYPE_VNODE) 789 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 790 } 791 return ret; 792 } 793 794 #if defined (NFSSERVER) 795 int 796 sunos_sys_nfssvc(p, v, retval) 797 struct proc *p; 798 void *v; 799 register_t *retval; 800 { 801 #if 0 802 struct sunos_sys_nfssvc_args *uap = v; 803 struct emul *e = p->p_emul; 804 struct sys_nfssvc_args outuap; 805 struct sockaddr sa; 806 int error; 807 caddr_t sg = stackgap_init(p->p_emul); 808 809 bzero(&outuap, sizeof outuap); 810 SCARG(&outuap, fd) = SCARG(uap, fd); 811 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 812 SCARG(&outuap, msklen) = sizeof(sa); 813 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 814 SCARG(&outuap, mtchlen) = sizeof(sa); 815 816 bzero(&sa, sizeof sa); 817 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 818 return (error); 819 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 820 return (error); 821 822 return nfssvc(p, &outuap, retval); 823 #else 824 return (ENOSYS); 825 #endif 826 } 827 #endif /* NFSSERVER */ 828 829 int 830 sunos_sys_ustat(p, v, retval) 831 struct proc *p; 832 void *v; 833 register_t *retval; 834 { 835 struct sunos_sys_ustat_args *uap = v; 836 struct sunos_ustat us; 837 int error; 838 839 bzero(&us, sizeof us); 840 841 /* 842 * XXX: should set f_tfree and f_tinode at least 843 * How do we translate dev -> fstat? (and then to sunos_ustat) 844 */ 845 846 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 847 return (error); 848 return 0; 849 } 850 851 int 852 sunos_sys_quotactl(p, v, retval) 853 struct proc *p; 854 void *v; 855 register_t *retval; 856 { 857 858 return EINVAL; 859 } 860 861 int 862 sunos_sys_vhangup(p, v, retval) 863 struct proc *p; 864 void *v; 865 register_t *retval; 866 { 867 struct session *sp = p->p_session; 868 869 if (sp->s_ttyvp == 0) 870 return 0; 871 872 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 873 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 874 875 (void) ttywait(sp->s_ttyp); 876 if (sp->s_ttyvp) 877 vgoneall(sp->s_ttyvp); 878 if (sp->s_ttyvp) 879 vrele(sp->s_ttyvp); 880 sp->s_ttyvp = NULL; 881 882 return 0; 883 } 884 885 static int 886 sunstatfs(sp, buf) 887 struct statfs *sp; 888 caddr_t buf; 889 { 890 struct sunos_statfs ssfs; 891 892 bzero(&ssfs, sizeof ssfs); 893 ssfs.f_type = 0; 894 ssfs.f_bsize = sp->f_bsize; 895 ssfs.f_blocks = sp->f_blocks; 896 ssfs.f_bfree = sp->f_bfree; 897 ssfs.f_bavail = sp->f_bavail; 898 ssfs.f_files = sp->f_files; 899 ssfs.f_ffree = sp->f_ffree; 900 ssfs.f_fsid = sp->f_fsid; 901 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 902 } 903 904 int 905 sunos_sys_statfs(p, v, retval) 906 struct proc *p; 907 void *v; 908 register_t *retval; 909 { 910 struct sunos_sys_statfs_args *uap = v; 911 register struct mount *mp; 912 register struct statfs *sp; 913 int error; 914 struct nameidata nd; 915 916 caddr_t sg = stackgap_init(p->p_emul); 917 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 918 919 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 920 if ((error = namei(&nd)) != 0) 921 return (error); 922 mp = nd.ni_vp->v_mount; 923 sp = &mp->mnt_stat; 924 vrele(nd.ni_vp); 925 if ((error = VFS_STATFS(mp, sp, p)) != 0) 926 return (error); 927 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 928 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 929 } 930 931 int 932 sunos_sys_fstatfs(p, v, retval) 933 struct proc *p; 934 void *v; 935 register_t *retval; 936 { 937 struct sunos_sys_fstatfs_args *uap = v; 938 struct file *fp; 939 struct mount *mp; 940 register struct statfs *sp; 941 int error; 942 943 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 944 return (error); 945 mp = ((struct vnode *)fp->f_data)->v_mount; 946 sp = &mp->mnt_stat; 947 if ((error = VFS_STATFS(mp, sp, p)) != 0) 948 return (error); 949 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 950 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 951 } 952 953 int 954 sunos_sys_exportfs(p, v, retval) 955 struct proc *p; 956 void *v; 957 register_t *retval; 958 { 959 /* 960 * XXX: should perhaps translate into a mount(2) 961 * with MOUNT_EXPORT? 962 */ 963 return 0; 964 } 965 966 int 967 sunos_sys_mknod(p, v, retval) 968 struct proc *p; 969 void *v; 970 register_t *retval; 971 { 972 struct sunos_sys_mknod_args *uap = v; 973 974 caddr_t sg = stackgap_init(p->p_emul); 975 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 976 977 if (S_ISFIFO(SCARG(uap, mode))) 978 return sys_mkfifo(p, uap, retval); 979 980 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 981 } 982 983 #define SUNOS_SC_ARG_MAX 1 984 #define SUNOS_SC_CHILD_MAX 2 985 #define SUNOS_SC_CLK_TCK 3 986 #define SUNOS_SC_NGROUPS_MAX 4 987 #define SUNOS_SC_OPEN_MAX 5 988 #define SUNOS_SC_JOB_CONTROL 6 989 #define SUNOS_SC_SAVED_IDS 7 990 #define SUNOS_SC_VERSION 8 991 992 int 993 sunos_sys_sysconf(p, v, retval) 994 struct proc *p; 995 void *v; 996 register_t *retval; 997 { 998 struct sunos_sys_sysconf_args *uap = v; 999 extern int maxfiles; 1000 1001 switch(SCARG(uap, name)) { 1002 case SUNOS_SC_ARG_MAX: 1003 *retval = ARG_MAX; 1004 break; 1005 case SUNOS_SC_CHILD_MAX: 1006 *retval = maxproc; 1007 break; 1008 case SUNOS_SC_CLK_TCK: 1009 *retval = 60; /* should this be `hz', ie. 100? */ 1010 break; 1011 case SUNOS_SC_NGROUPS_MAX: 1012 *retval = NGROUPS_MAX; 1013 break; 1014 case SUNOS_SC_OPEN_MAX: 1015 *retval = maxfiles; 1016 break; 1017 case SUNOS_SC_JOB_CONTROL: 1018 *retval = 1; 1019 break; 1020 case SUNOS_SC_SAVED_IDS: 1021 #ifdef _POSIX_SAVED_IDS 1022 *retval = 1; 1023 #else 1024 *retval = 0; 1025 #endif 1026 break; 1027 case SUNOS_SC_VERSION: 1028 *retval = 198808; 1029 break; 1030 default: 1031 return EINVAL; 1032 } 1033 return 0; 1034 } 1035 1036 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1037 #define SUNOS_RLIM_NLIMITS 7 1038 1039 int 1040 sunos_sys_getrlimit(p, v, retval) 1041 struct proc *p; 1042 void *v; 1043 register_t *retval; 1044 { 1045 struct sunos_sys_getrlimit_args *uap = v; 1046 1047 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1048 return EINVAL; 1049 1050 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1051 SCARG(uap, which) = RLIMIT_NOFILE; 1052 1053 return compat_43_sys_getrlimit(p, uap, retval); 1054 } 1055 1056 int 1057 sunos_sys_setrlimit(p, v, retval) 1058 struct proc *p; 1059 void *v; 1060 register_t *retval; 1061 { 1062 struct sunos_sys_getrlimit_args *uap = v; 1063 1064 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1065 return EINVAL; 1066 1067 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1068 SCARG(uap, which) = RLIMIT_NOFILE; 1069 1070 return compat_43_sys_setrlimit(p, uap, retval); 1071 } 1072 1073 /* for the m68k machines */ 1074 #ifndef PT_GETFPREGS 1075 #define PT_GETFPREGS -1 1076 #endif 1077 #ifndef PT_SETFPREGS 1078 #define PT_SETFPREGS -1 1079 #endif 1080 1081 static int sreq2breq[] = { 1082 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1083 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1084 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1085 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1086 }; 1087 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1088 1089 int 1090 sunos_sys_ptrace(p, v, retval) 1091 struct proc *p; 1092 void *v; 1093 register_t *retval; 1094 { 1095 struct sunos_sys_ptrace_args *uap = v; 1096 struct sys_ptrace_args pa; 1097 int req; 1098 1099 req = SCARG(uap, req); 1100 1101 if (req < 0 || req >= nreqs) 1102 return (EINVAL); 1103 1104 req = sreq2breq[req]; 1105 if (req == -1) 1106 return (EINVAL); 1107 1108 SCARG(&pa, req) = req; 1109 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1110 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1111 SCARG(&pa, data) = SCARG(uap, data); 1112 1113 return sys_ptrace(p, &pa, retval); 1114 } 1115 1116 /* 1117 * SunOS reboot system call (for compatibility). 1118 * Sun lets you pass in a boot string which the PROM 1119 * saves and provides to the next boot program. 1120 */ 1121 1122 #define SUNOS_RB_ASKNAME 0x001 1123 #define SUNOS_RB_SINGLE 0x002 1124 #define SUNOS_RB_NOSYNC 0x004 1125 #define SUNOS_RB_HALT 0x008 1126 #define SUNOS_RB_DUMP 0x080 1127 #define SUNOS_RB_STRING 0x200 1128 1129 static struct sunos_howto_conv { 1130 int sun_howto; 1131 int bsd_howto; 1132 } sunos_howto_conv[] = { 1133 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1134 { SUNOS_RB_SINGLE, RB_SINGLE }, 1135 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1136 { SUNOS_RB_HALT, RB_HALT }, 1137 { SUNOS_RB_DUMP, RB_DUMP }, 1138 { SUNOS_RB_STRING, RB_STRING }, 1139 { 0x000, 0 }, 1140 }; 1141 1142 int 1143 sunos_sys_reboot(p, v, retval) 1144 struct proc *p; 1145 void *v; 1146 register_t *retval; 1147 { 1148 struct sunos_sys_reboot_args *uap = v; 1149 struct sys_reboot_args ua; 1150 struct sunos_howto_conv *convp; 1151 int error, bsd_howto, sun_howto; 1152 char *bootstr; 1153 1154 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1155 return (error); 1156 1157 /* 1158 * Convert howto bits to BSD format. 1159 */ 1160 sun_howto = SCARG(uap, howto); 1161 bsd_howto = 0; 1162 convp = sunos_howto_conv; 1163 while (convp->sun_howto) { 1164 if (sun_howto & convp->sun_howto) 1165 bsd_howto |= convp->bsd_howto; 1166 convp++; 1167 } 1168 1169 /* 1170 * Sun RB_STRING (Get user supplied bootstring.) 1171 * If the machine supports passing a string to the 1172 * next booted kernel. 1173 */ 1174 if (sun_howto & SUNOS_RB_STRING) { 1175 char bs[128]; 1176 1177 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1178 1179 if (error) 1180 bootstr = NULL; 1181 else 1182 bootstr = bs; 1183 } else 1184 bootstr = NULL; 1185 1186 SCARG(&ua, opt) = bsd_howto; 1187 SCARG(&ua, bootstr) = bootstr; 1188 sys_reboot(p, &ua, retval); 1189 return(0); 1190 } 1191 1192 /* 1193 * Generalized interface signal handler, 4.3-compatible. 1194 */ 1195 /* ARGSUSED */ 1196 int 1197 sunos_sys_sigvec(p, v, retval) 1198 struct proc *p; 1199 void *v; 1200 register_t *retval; 1201 { 1202 register struct sunos_sys_sigvec_args /* { 1203 syscallarg(int) signum; 1204 syscallarg(struct sigvec *) nsv; 1205 syscallarg(struct sigvec *) osv; 1206 } */ *uap = v; 1207 struct sigvec vec; 1208 register struct sigacts *ps = p->p_sigacts; 1209 register struct sigvec *sv; 1210 register int signum; 1211 int bit, error; 1212 1213 signum = SCARG(uap, signum); 1214 if (signum <= 0 || signum >= NSIG || 1215 signum == SIGKILL || signum == SIGSTOP) 1216 return (EINVAL); 1217 sv = &vec; 1218 if (SCARG(uap, osv)) { 1219 *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; 1220 sv->sv_mask = ps->ps_catchmask[signum]; 1221 bit = sigmask(signum); 1222 sv->sv_flags = 0; 1223 if ((ps->ps_sigonstack & bit) != 0) 1224 sv->sv_flags |= SV_ONSTACK; 1225 if ((ps->ps_sigintr & bit) != 0) 1226 sv->sv_flags |= SV_INTERRUPT; 1227 if ((ps->ps_sigreset & bit) != 0) 1228 sv->sv_flags |= SA_RESETHAND; 1229 sv->sv_mask &= ~bit; 1230 error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), 1231 sizeof (vec)); 1232 if (error) 1233 return (error); 1234 } 1235 if (SCARG(uap, nsv)) { 1236 error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, 1237 sizeof (vec)); 1238 if (error) 1239 return (error); 1240 /* 1241 * SunOS uses the mask 0x0004 as SV_RESETHAND 1242 * meaning: `reset to SIG_DFL on delivery'. 1243 * We support only the bits in: 0xF 1244 * (those bits are the same as ours) 1245 */ 1246 if (sv->sv_flags & ~0xF) 1247 return (EINVAL); 1248 /* SunOS binaries have a user-mode trampoline. */ 1249 sv->sv_flags |= SA_USERTRAMP; 1250 /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ 1251 sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ 1252 setsigvec(p, signum, (struct sigaction *)sv); 1253 } 1254 return (0); 1255 } 1256