1 /* $NetBSD: sunos_misc.c,v 1.86 1997/10/21 00:58:41 fvdl 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___msync13_args ouap; 258 259 SCARG(&ouap, addr) = SCARG(uap, addr); 260 SCARG(&ouap, len) = SCARG(uap, len); 261 SCARG(&ouap, flags) = SCARG(uap, flags); 262 263 return (sys___msync13(p, &ouap, retval)); 264 } 265 266 int 267 sunos_sys_unmount(p, v, retval) 268 struct proc *p; 269 void *v; 270 register_t *retval; 271 { 272 struct sunos_sys_unmount_args *uap = v; 273 struct sys_unmount_args ouap; 274 275 SCARG(&ouap, path) = SCARG(uap, path); 276 SCARG(&ouap, flags) = 0; 277 278 return (sys_unmount(p, &ouap, retval)); 279 } 280 281 /* 282 * Conversion table for SunOS NFS mount flags. 283 */ 284 static struct { 285 int sun_flg; 286 int bsd_flg; 287 } sunnfs_flgtab[] = { 288 { SUNNFS_SOFT, NFSMNT_SOFT }, 289 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 290 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 291 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 292 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 293 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 294 { SUNNFS_INT, NFSMNT_INT }, 295 { SUNNFS_NOAC, 0 }, /* Ignored */ 296 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 297 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 298 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 299 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 300 { SUNNFS_SECURE, 0 }, /* Ignored */ 301 { SUNNFS_NOCTO, 0 }, /* Ignored */ 302 { SUNNFS_POSIX, 0 } /* Ignored */ 303 }; 304 305 int 306 sunos_sys_mount(p, v, retval) 307 struct proc *p; 308 void *v; 309 register_t *retval; 310 { 311 struct sunos_sys_mount_args *uap = v; 312 int oflags = SCARG(uap, flags), nflags, error; 313 char fsname[MFSNAMELEN]; 314 caddr_t sg = stackgap_init(p->p_emul); 315 316 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 317 return (EINVAL); 318 if ((oflags & SUNM_NEWTYPE) == 0) 319 return (EINVAL); 320 nflags = 0; 321 if (oflags & SUNM_RDONLY) 322 nflags |= MNT_RDONLY; 323 if (oflags & SUNM_NOSUID) 324 nflags |= MNT_NOSUID; 325 if (oflags & SUNM_REMOUNT) 326 nflags |= MNT_UPDATE; 327 SCARG(uap, flags) = nflags; 328 329 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 330 sizeof fsname, (size_t *)0); 331 if (error) 332 return (error); 333 334 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 335 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 336 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 337 if (error) 338 return (error); 339 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 340 struct sunos_nfs_args sna; 341 struct sockaddr_in sain; 342 struct nfs_args na; 343 struct sockaddr sa; 344 int n; 345 346 error = copyin(SCARG(uap, data), &sna, sizeof sna); 347 if (error) 348 return (error); 349 error = copyin(sna.addr, &sain, sizeof sain); 350 if (error) 351 return (error); 352 bcopy(&sain, &sa, sizeof sa); 353 sa.sa_len = sizeof(sain); 354 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 355 na.version = NFS_ARGSVERSION; 356 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 357 na.addrlen = sizeof(struct sockaddr); 358 na.sotype = SOCK_DGRAM; 359 na.proto = IPPROTO_UDP; 360 na.fh = (void *)sna.fh; 361 na.fhsize = NFSX_V2FH; 362 na.flags = 0; 363 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 364 while (--n >= 0) 365 if (sna.flags & sunnfs_flgtab[n].sun_flg) 366 na.flags |= sunnfs_flgtab[n].bsd_flg; 367 na.wsize = sna.wsize; 368 na.rsize = sna.rsize; 369 if (na.flags & NFSMNT_RSIZE) { 370 na.flags |= NFSMNT_READDIRSIZE; 371 na.readdirsize = na.rsize; 372 } 373 na.timeo = sna.timeo; 374 na.retrans = sna.retrans; 375 na.hostname = sna.hostname; 376 377 error = copyout(&sa, na.addr, sizeof sa); 378 if (error) 379 return (error); 380 error = copyout(&na, SCARG(uap, data), sizeof na); 381 if (error) 382 return (error); 383 } 384 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 385 } 386 387 #if defined(NFS) 388 int 389 async_daemon(p, v, retval) 390 struct proc *p; 391 void *v; 392 register_t *retval; 393 { 394 struct sys_nfssvc_args ouap; 395 396 SCARG(&ouap, flag) = NFSSVC_BIOD; 397 SCARG(&ouap, argp) = NULL; 398 399 return (sys_nfssvc(p, &ouap, retval)); 400 } 401 #endif /* NFS */ 402 403 int 404 sunos_sys_sigpending(p, v, retval) 405 struct proc *p; 406 void *v; 407 register_t *retval; 408 { 409 struct sunos_sys_sigpending_args *uap = v; 410 int mask = p->p_siglist & p->p_sigmask; 411 412 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 413 } 414 415 /* 416 * Read Sun-style directory entries. We suck them into kernel space so 417 * that they can be massaged before being copied out to user code. Like 418 * SunOS, we squish out `empty' entries. 419 * 420 * This is quite ugly, but what do you expect from compatibility code? 421 */ 422 int 423 sunos_sys_getdents(p, v, retval) 424 struct proc *p; 425 void *v; 426 register_t *retval; 427 { 428 struct sunos_sys_getdents_args *uap = v; 429 struct dirent *bdp; 430 struct vnode *vp; 431 caddr_t inp, buf; /* BSD-format */ 432 int len, reclen; /* BSD-format */ 433 caddr_t outp; /* Sun-format */ 434 int resid, sunos_reclen;/* Sun-format */ 435 struct file *fp; 436 struct uio auio; 437 struct iovec aiov; 438 struct sunos_dirent idb; 439 off_t off; /* true file offset */ 440 int buflen, error, eofflag; 441 off_t *cookiebuf, *cookie; 442 int ncookies; 443 444 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 445 return (error); 446 447 if ((fp->f_flag & FREAD) == 0) 448 return (EBADF); 449 450 vp = (struct vnode *)fp->f_data; 451 452 if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */ 453 return (EINVAL); 454 455 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 456 buf = malloc(buflen, M_TEMP, M_WAITOK); 457 ncookies = buflen / 16; 458 cookiebuf = malloc(ncookies * sizeof(*cookiebuf), M_TEMP, M_WAITOK); 459 VOP_LOCK(vp); 460 off = fp->f_offset; 461 again: 462 aiov.iov_base = buf; 463 aiov.iov_len = buflen; 464 auio.uio_iov = &aiov; 465 auio.uio_iovcnt = 1; 466 auio.uio_rw = UIO_READ; 467 auio.uio_segflg = UIO_SYSSPACE; 468 auio.uio_procp = p; 469 auio.uio_resid = buflen; 470 auio.uio_offset = off; 471 /* 472 * First we read into the malloc'ed buffer, then 473 * we massage it into user space, one record at a time. 474 */ 475 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, cookiebuf, 476 ncookies); 477 if (error) 478 goto out; 479 480 inp = buf; 481 outp = SCARG(uap, buf); 482 resid = SCARG(uap, nbytes); 483 if ((len = buflen - auio.uio_resid) == 0) 484 goto eof; 485 486 for (cookie = cookiebuf; len > 0; len -= reclen) { 487 bdp = (struct dirent *)inp; 488 reclen = bdp->d_reclen; 489 if (reclen & 3) 490 panic("sunos_getdents"); 491 if ((*cookie >> 32) != 0) { 492 compat_offseterr(vp, "sunos_getdents"); 493 error = EINVAL; 494 goto out; 495 } 496 if (bdp->d_fileno == 0) { 497 inp += reclen; /* it is a hole; squish it out */ 498 off = *cookie++; 499 continue; 500 } 501 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 502 if (reclen > len || resid < sunos_reclen) { 503 /* entry too big for buffer, so just stop */ 504 outp++; 505 break; 506 } 507 off = *cookie++; /* each entry points to next */ 508 /* 509 * Massage in place to make a Sun-shaped dirent (otherwise 510 * we have to worry about touching user memory outside of 511 * the copyout() call). 512 */ 513 idb.d_fileno = bdp->d_fileno; 514 idb.d_off = off; 515 idb.d_reclen = sunos_reclen; 516 idb.d_namlen = bdp->d_namlen; 517 strcpy(idb.d_name, bdp->d_name); 518 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 519 goto out; 520 /* advance past this real entry */ 521 inp += reclen; 522 /* advance output past Sun-shaped entry */ 523 outp += sunos_reclen; 524 resid -= sunos_reclen; 525 } 526 527 /* if we squished out the whole block, try again */ 528 if (outp == SCARG(uap, buf)) 529 goto again; 530 fp->f_offset = off; /* update the vnode offset */ 531 532 eof: 533 *retval = SCARG(uap, nbytes) - resid; 534 out: 535 VOP_UNLOCK(vp); 536 free(cookiebuf, M_TEMP); 537 free(buf, M_TEMP); 538 return (error); 539 } 540 541 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 542 543 int 544 sunos_sys_mmap(p, v, retval) 545 register struct proc *p; 546 void *v; 547 register_t *retval; 548 { 549 register struct sunos_sys_mmap_args *uap = v; 550 struct sys_mmap_args ouap; 551 register struct filedesc *fdp; 552 register struct file *fp; 553 register struct vnode *vp; 554 555 /* 556 * Verify the arguments. 557 */ 558 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 559 return (EINVAL); /* XXX still needed? */ 560 561 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 562 return (EINVAL); 563 564 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 565 SCARG(&ouap, addr) = SCARG(uap, addr); 566 567 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 568 SCARG(&ouap, addr) != 0 && 569 SCARG(&ouap, addr) < (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 570 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 571 572 SCARG(&ouap, len) = SCARG(uap, len); 573 SCARG(&ouap, prot) = SCARG(uap, prot); 574 SCARG(&ouap, fd) = SCARG(uap, fd); 575 SCARG(&ouap, pos) = SCARG(uap, pos); 576 577 /* 578 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 579 */ 580 fdp = p->p_fd; 581 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 582 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 583 fp->f_type == DTYPE_VNODE && /*XXX*/ 584 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 585 iszerodev(vp->v_rdev)) { /*XXX*/ 586 SCARG(&ouap, flags) |= MAP_ANON; 587 SCARG(&ouap, fd) = -1; 588 } 589 590 return (sys_mmap(p, &ouap, retval)); 591 } 592 593 #define MC_SYNC 1 594 #define MC_LOCK 2 595 #define MC_UNLOCK 3 596 #define MC_ADVISE 4 597 #define MC_LOCKAS 5 598 #define MC_UNLOCKAS 6 599 600 int 601 sunos_sys_mctl(p, v, retval) 602 register struct proc *p; 603 void *v; 604 register_t *retval; 605 { 606 register struct sunos_sys_mctl_args *uap = v; 607 608 switch (SCARG(uap, func)) { 609 case MC_ADVISE: /* ignore for now */ 610 return (0); 611 case MC_SYNC: /* translate to msync */ 612 return (sys___msync13(p, uap, retval)); 613 default: 614 return (EINVAL); 615 } 616 } 617 618 int 619 sunos_sys_setsockopt(p, v, retval) 620 struct proc *p; 621 void *v; 622 register_t *retval; 623 { 624 register struct sunos_sys_setsockopt_args *uap = v; 625 struct file *fp; 626 struct mbuf *m = NULL; 627 int error; 628 629 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 630 return (error); 631 #define SO_DONTLINGER (~SO_LINGER) 632 if (SCARG(uap, name) == SO_DONTLINGER) { 633 m = m_get(M_WAIT, MT_SOOPTS); 634 mtod(m, struct linger *)->l_onoff = 0; 635 m->m_len = sizeof(struct linger); 636 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 637 SO_LINGER, m)); 638 } 639 if (SCARG(uap, level) == IPPROTO_IP) { 640 #define SUNOS_IP_MULTICAST_IF 2 641 #define SUNOS_IP_MULTICAST_TTL 3 642 #define SUNOS_IP_MULTICAST_LOOP 4 643 #define SUNOS_IP_ADD_MEMBERSHIP 5 644 #define SUNOS_IP_DROP_MEMBERSHIP 6 645 static int ipoptxlat[] = { 646 IP_MULTICAST_IF, 647 IP_MULTICAST_TTL, 648 IP_MULTICAST_LOOP, 649 IP_ADD_MEMBERSHIP, 650 IP_DROP_MEMBERSHIP 651 }; 652 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 653 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 654 SCARG(uap, name) = 655 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 656 } 657 } 658 if (SCARG(uap, valsize) > MLEN) 659 return (EINVAL); 660 if (SCARG(uap, val)) { 661 m = m_get(M_WAIT, MT_SOOPTS); 662 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 663 (u_int)SCARG(uap, valsize)); 664 if (error) { 665 (void) m_free(m); 666 return (error); 667 } 668 m->m_len = SCARG(uap, valsize); 669 } 670 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 671 SCARG(uap, name), m)); 672 } 673 674 int 675 sunos_sys_fchroot(p, v, retval) 676 register struct proc *p; 677 void *v; 678 register_t *retval; 679 { 680 register struct sunos_sys_fchroot_args *uap = v; 681 register struct filedesc *fdp = p->p_fd; 682 register struct vnode *vp; 683 struct file *fp; 684 int error; 685 686 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 687 return (error); 688 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 689 return (error); 690 vp = (struct vnode *)fp->f_data; 691 VOP_LOCK(vp); 692 if (vp->v_type != VDIR) 693 error = ENOTDIR; 694 else 695 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 696 VOP_UNLOCK(vp); 697 if (error) 698 return (error); 699 VREF(vp); 700 if (fdp->fd_rdir != NULL) 701 vrele(fdp->fd_rdir); 702 fdp->fd_rdir = vp; 703 return (0); 704 } 705 706 /* 707 * XXX: This needs cleaning up. 708 */ 709 int 710 sunos_sys_auditsys(p, v, retval) 711 struct proc *p; 712 void *v; 713 register_t *retval; 714 { 715 return 0; 716 } 717 718 int 719 sunos_sys_uname(p, v, retval) 720 struct proc *p; 721 void *v; 722 register_t *retval; 723 { 724 struct sunos_sys_uname_args *uap = v; 725 struct sunos_utsname sut; 726 extern char ostype[], machine[], osrelease[]; 727 728 bzero(&sut, sizeof(sut)); 729 730 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 731 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 732 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 733 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 734 bcopy("1", sut.version, sizeof(sut.version) - 1); 735 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 736 737 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 738 sizeof(struct sunos_utsname)); 739 } 740 741 int 742 sunos_sys_setpgrp(p, v, retval) 743 struct proc *p; 744 void *v; 745 register_t *retval; 746 { 747 struct sunos_sys_setpgrp_args *uap = v; 748 749 /* 750 * difference to our setpgid call is to include backwards 751 * compatibility to pre-setsid() binaries. Do setsid() 752 * instead of setpgid() in those cases where the process 753 * tries to create a new session the old way. 754 */ 755 if (!SCARG(uap, pgid) && 756 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 757 return sys_setsid(p, uap, retval); 758 else 759 return sys_setpgid(p, uap, retval); 760 } 761 762 int 763 sunos_sys_open(p, v, retval) 764 struct proc *p; 765 void *v; 766 register_t *retval; 767 { 768 struct sunos_sys_open_args *uap = v; 769 int l, r; 770 int noctty; 771 int ret; 772 773 caddr_t sg = stackgap_init(p->p_emul); 774 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 775 776 /* convert mode into NetBSD mode */ 777 l = SCARG(uap, flags); 778 noctty = l & 0x8000; 779 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 780 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 781 r |= ((l & 0x0080) ? O_SHLOCK : 0); 782 r |= ((l & 0x0100) ? O_EXLOCK : 0); 783 r |= ((l & 0x2000) ? O_FSYNC : 0); 784 785 SCARG(uap, flags) = r; 786 ret = sys_open(p, (struct sys_open_args *)uap, retval); 787 788 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 789 struct filedesc *fdp = p->p_fd; 790 struct file *fp = fdp->fd_ofiles[*retval]; 791 792 /* ignore any error, just give it a try */ 793 if (fp->f_type == DTYPE_VNODE) 794 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 795 } 796 return ret; 797 } 798 799 #if defined (NFSSERVER) 800 int 801 sunos_sys_nfssvc(p, v, retval) 802 struct proc *p; 803 void *v; 804 register_t *retval; 805 { 806 #if 0 807 struct sunos_sys_nfssvc_args *uap = v; 808 struct emul *e = p->p_emul; 809 struct sys_nfssvc_args outuap; 810 struct sockaddr sa; 811 int error; 812 caddr_t sg = stackgap_init(p->p_emul); 813 814 bzero(&outuap, sizeof outuap); 815 SCARG(&outuap, fd) = SCARG(uap, fd); 816 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 817 SCARG(&outuap, msklen) = sizeof(sa); 818 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 819 SCARG(&outuap, mtchlen) = sizeof(sa); 820 821 bzero(&sa, sizeof sa); 822 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 823 return (error); 824 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 825 return (error); 826 827 return nfssvc(p, &outuap, retval); 828 #else 829 return (ENOSYS); 830 #endif 831 } 832 #endif /* NFSSERVER */ 833 834 int 835 sunos_sys_ustat(p, v, retval) 836 struct proc *p; 837 void *v; 838 register_t *retval; 839 { 840 struct sunos_sys_ustat_args *uap = v; 841 struct sunos_ustat us; 842 int error; 843 844 bzero(&us, sizeof us); 845 846 /* 847 * XXX: should set f_tfree and f_tinode at least 848 * How do we translate dev -> fstat? (and then to sunos_ustat) 849 */ 850 851 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 852 return (error); 853 return 0; 854 } 855 856 int 857 sunos_sys_quotactl(p, v, retval) 858 struct proc *p; 859 void *v; 860 register_t *retval; 861 { 862 863 return EINVAL; 864 } 865 866 int 867 sunos_sys_vhangup(p, v, retval) 868 struct proc *p; 869 void *v; 870 register_t *retval; 871 { 872 struct session *sp = p->p_session; 873 874 if (sp->s_ttyvp == 0) 875 return 0; 876 877 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 878 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 879 880 (void) ttywait(sp->s_ttyp); 881 if (sp->s_ttyvp) 882 vgoneall(sp->s_ttyvp); 883 if (sp->s_ttyvp) 884 vrele(sp->s_ttyvp); 885 sp->s_ttyvp = NULL; 886 887 return 0; 888 } 889 890 static int 891 sunstatfs(sp, buf) 892 struct statfs *sp; 893 caddr_t buf; 894 { 895 struct sunos_statfs ssfs; 896 897 bzero(&ssfs, sizeof ssfs); 898 ssfs.f_type = 0; 899 ssfs.f_bsize = sp->f_bsize; 900 ssfs.f_blocks = sp->f_blocks; 901 ssfs.f_bfree = sp->f_bfree; 902 ssfs.f_bavail = sp->f_bavail; 903 ssfs.f_files = sp->f_files; 904 ssfs.f_ffree = sp->f_ffree; 905 ssfs.f_fsid = sp->f_fsid; 906 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 907 } 908 909 int 910 sunos_sys_statfs(p, v, retval) 911 struct proc *p; 912 void *v; 913 register_t *retval; 914 { 915 struct sunos_sys_statfs_args *uap = v; 916 register struct mount *mp; 917 register struct statfs *sp; 918 int error; 919 struct nameidata nd; 920 921 caddr_t sg = stackgap_init(p->p_emul); 922 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 923 924 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 925 if ((error = namei(&nd)) != 0) 926 return (error); 927 mp = nd.ni_vp->v_mount; 928 sp = &mp->mnt_stat; 929 vrele(nd.ni_vp); 930 if ((error = VFS_STATFS(mp, sp, p)) != 0) 931 return (error); 932 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 933 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 934 } 935 936 int 937 sunos_sys_fstatfs(p, v, retval) 938 struct proc *p; 939 void *v; 940 register_t *retval; 941 { 942 struct sunos_sys_fstatfs_args *uap = v; 943 struct file *fp; 944 struct mount *mp; 945 register struct statfs *sp; 946 int error; 947 948 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 949 return (error); 950 mp = ((struct vnode *)fp->f_data)->v_mount; 951 sp = &mp->mnt_stat; 952 if ((error = VFS_STATFS(mp, sp, p)) != 0) 953 return (error); 954 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 955 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 956 } 957 958 int 959 sunos_sys_exportfs(p, v, retval) 960 struct proc *p; 961 void *v; 962 register_t *retval; 963 { 964 /* 965 * XXX: should perhaps translate into a mount(2) 966 * with MOUNT_EXPORT? 967 */ 968 return 0; 969 } 970 971 int 972 sunos_sys_mknod(p, v, retval) 973 struct proc *p; 974 void *v; 975 register_t *retval; 976 { 977 struct sunos_sys_mknod_args *uap = v; 978 979 caddr_t sg = stackgap_init(p->p_emul); 980 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 981 982 if (S_ISFIFO(SCARG(uap, mode))) 983 return sys_mkfifo(p, uap, retval); 984 985 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 986 } 987 988 #define SUNOS_SC_ARG_MAX 1 989 #define SUNOS_SC_CHILD_MAX 2 990 #define SUNOS_SC_CLK_TCK 3 991 #define SUNOS_SC_NGROUPS_MAX 4 992 #define SUNOS_SC_OPEN_MAX 5 993 #define SUNOS_SC_JOB_CONTROL 6 994 #define SUNOS_SC_SAVED_IDS 7 995 #define SUNOS_SC_VERSION 8 996 997 int 998 sunos_sys_sysconf(p, v, retval) 999 struct proc *p; 1000 void *v; 1001 register_t *retval; 1002 { 1003 struct sunos_sys_sysconf_args *uap = v; 1004 extern int maxfiles; 1005 1006 switch(SCARG(uap, name)) { 1007 case SUNOS_SC_ARG_MAX: 1008 *retval = ARG_MAX; 1009 break; 1010 case SUNOS_SC_CHILD_MAX: 1011 *retval = maxproc; 1012 break; 1013 case SUNOS_SC_CLK_TCK: 1014 *retval = 60; /* should this be `hz', ie. 100? */ 1015 break; 1016 case SUNOS_SC_NGROUPS_MAX: 1017 *retval = NGROUPS_MAX; 1018 break; 1019 case SUNOS_SC_OPEN_MAX: 1020 *retval = maxfiles; 1021 break; 1022 case SUNOS_SC_JOB_CONTROL: 1023 *retval = 1; 1024 break; 1025 case SUNOS_SC_SAVED_IDS: 1026 #ifdef _POSIX_SAVED_IDS 1027 *retval = 1; 1028 #else 1029 *retval = 0; 1030 #endif 1031 break; 1032 case SUNOS_SC_VERSION: 1033 *retval = 198808; 1034 break; 1035 default: 1036 return EINVAL; 1037 } 1038 return 0; 1039 } 1040 1041 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1042 #define SUNOS_RLIM_NLIMITS 7 1043 1044 int 1045 sunos_sys_getrlimit(p, v, retval) 1046 struct proc *p; 1047 void *v; 1048 register_t *retval; 1049 { 1050 struct sunos_sys_getrlimit_args *uap = v; 1051 1052 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1053 return EINVAL; 1054 1055 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1056 SCARG(uap, which) = RLIMIT_NOFILE; 1057 1058 return compat_43_sys_getrlimit(p, uap, retval); 1059 } 1060 1061 int 1062 sunos_sys_setrlimit(p, v, retval) 1063 struct proc *p; 1064 void *v; 1065 register_t *retval; 1066 { 1067 struct sunos_sys_getrlimit_args *uap = v; 1068 1069 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1070 return EINVAL; 1071 1072 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1073 SCARG(uap, which) = RLIMIT_NOFILE; 1074 1075 return compat_43_sys_setrlimit(p, uap, retval); 1076 } 1077 1078 /* for the m68k machines */ 1079 #ifndef PT_GETFPREGS 1080 #define PT_GETFPREGS -1 1081 #endif 1082 #ifndef PT_SETFPREGS 1083 #define PT_SETFPREGS -1 1084 #endif 1085 1086 static int sreq2breq[] = { 1087 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1088 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1089 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1090 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1091 }; 1092 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1093 1094 int 1095 sunos_sys_ptrace(p, v, retval) 1096 struct proc *p; 1097 void *v; 1098 register_t *retval; 1099 { 1100 struct sunos_sys_ptrace_args *uap = v; 1101 struct sys_ptrace_args pa; 1102 int req; 1103 1104 req = SCARG(uap, req); 1105 1106 if (req < 0 || req >= nreqs) 1107 return (EINVAL); 1108 1109 req = sreq2breq[req]; 1110 if (req == -1) 1111 return (EINVAL); 1112 1113 SCARG(&pa, req) = req; 1114 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1115 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1116 SCARG(&pa, data) = SCARG(uap, data); 1117 1118 return sys_ptrace(p, &pa, retval); 1119 } 1120 1121 /* 1122 * SunOS reboot system call (for compatibility). 1123 * Sun lets you pass in a boot string which the PROM 1124 * saves and provides to the next boot program. 1125 */ 1126 1127 #define SUNOS_RB_ASKNAME 0x001 1128 #define SUNOS_RB_SINGLE 0x002 1129 #define SUNOS_RB_NOSYNC 0x004 1130 #define SUNOS_RB_HALT 0x008 1131 #define SUNOS_RB_DUMP 0x080 1132 #define SUNOS_RB_STRING 0x200 1133 1134 static struct sunos_howto_conv { 1135 int sun_howto; 1136 int bsd_howto; 1137 } sunos_howto_conv[] = { 1138 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1139 { SUNOS_RB_SINGLE, RB_SINGLE }, 1140 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1141 { SUNOS_RB_HALT, RB_HALT }, 1142 { SUNOS_RB_DUMP, RB_DUMP }, 1143 { SUNOS_RB_STRING, RB_STRING }, 1144 { 0x000, 0 }, 1145 }; 1146 1147 int 1148 sunos_sys_reboot(p, v, retval) 1149 struct proc *p; 1150 void *v; 1151 register_t *retval; 1152 { 1153 struct sunos_sys_reboot_args *uap = v; 1154 struct sys_reboot_args ua; 1155 struct sunos_howto_conv *convp; 1156 int error, bsd_howto, sun_howto; 1157 char *bootstr; 1158 1159 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1160 return (error); 1161 1162 /* 1163 * Convert howto bits to BSD format. 1164 */ 1165 sun_howto = SCARG(uap, howto); 1166 bsd_howto = 0; 1167 convp = sunos_howto_conv; 1168 while (convp->sun_howto) { 1169 if (sun_howto & convp->sun_howto) 1170 bsd_howto |= convp->bsd_howto; 1171 convp++; 1172 } 1173 1174 /* 1175 * Sun RB_STRING (Get user supplied bootstring.) 1176 * If the machine supports passing a string to the 1177 * next booted kernel. 1178 */ 1179 if (sun_howto & SUNOS_RB_STRING) { 1180 char bs[128]; 1181 1182 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1183 1184 if (error) 1185 bootstr = NULL; 1186 else 1187 bootstr = bs; 1188 } else 1189 bootstr = NULL; 1190 1191 SCARG(&ua, opt) = bsd_howto; 1192 SCARG(&ua, bootstr) = bootstr; 1193 sys_reboot(p, &ua, retval); 1194 return(0); 1195 } 1196 1197 /* 1198 * Generalized interface signal handler, 4.3-compatible. 1199 */ 1200 /* ARGSUSED */ 1201 int 1202 sunos_sys_sigvec(p, v, retval) 1203 struct proc *p; 1204 void *v; 1205 register_t *retval; 1206 { 1207 register struct sunos_sys_sigvec_args /* { 1208 syscallarg(int) signum; 1209 syscallarg(struct sigvec *) nsv; 1210 syscallarg(struct sigvec *) osv; 1211 } */ *uap = v; 1212 struct sigvec vec; 1213 register struct sigacts *ps = p->p_sigacts; 1214 register struct sigvec *sv; 1215 register int signum; 1216 int bit, error; 1217 1218 signum = SCARG(uap, signum); 1219 if (signum <= 0 || signum >= NSIG || 1220 signum == SIGKILL || signum == SIGSTOP) 1221 return (EINVAL); 1222 sv = &vec; 1223 if (SCARG(uap, osv)) { 1224 *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; 1225 sv->sv_mask = ps->ps_catchmask[signum]; 1226 bit = sigmask(signum); 1227 sv->sv_flags = 0; 1228 if ((ps->ps_sigonstack & bit) != 0) 1229 sv->sv_flags |= SV_ONSTACK; 1230 if ((ps->ps_sigintr & bit) != 0) 1231 sv->sv_flags |= SV_INTERRUPT; 1232 if ((ps->ps_sigreset & bit) != 0) 1233 sv->sv_flags |= SA_RESETHAND; 1234 sv->sv_mask &= ~bit; 1235 error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), 1236 sizeof (vec)); 1237 if (error) 1238 return (error); 1239 } 1240 if (SCARG(uap, nsv)) { 1241 error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, 1242 sizeof (vec)); 1243 if (error) 1244 return (error); 1245 /* 1246 * SunOS uses the mask 0x0004 as SV_RESETHAND 1247 * meaning: `reset to SIG_DFL on delivery'. 1248 * We support only the bits in: 0xF 1249 * (those bits are the same as ours) 1250 */ 1251 if (sv->sv_flags & ~0xF) 1252 return (EINVAL); 1253 /* SunOS binaries have a user-mode trampoline. */ 1254 sv->sv_flags |= SA_USERTRAMP; 1255 /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ 1256 sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ 1257 setsigvec(p, signum, (struct sigaction *)sv); 1258 } 1259 return (0); 1260 } 1261