1 /* $NetBSD: sunos_misc.c,v 1.81 1997/08/04 09:48:10 bouyer 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 if (bdp->d_fileno == 0) { 493 inp += reclen; /* it is a hole; squish it out */ 494 off = *cookie++; 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 off = *cookie++; /* each entry points to next */ 504 /* 505 * Massage in place to make a Sun-shaped dirent (otherwise 506 * we have to worry about touching user memory outside of 507 * the copyout() call). 508 */ 509 idb.d_fileno = bdp->d_fileno; 510 idb.d_off = off; 511 idb.d_reclen = sunos_reclen; 512 idb.d_namlen = bdp->d_namlen; 513 strcpy(idb.d_name, bdp->d_name); 514 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 515 goto out; 516 /* advance past this real entry */ 517 inp += reclen; 518 /* advance output past Sun-shaped entry */ 519 outp += sunos_reclen; 520 resid -= sunos_reclen; 521 } 522 523 /* if we squished out the whole block, try again */ 524 if (outp == SCARG(uap, buf)) 525 goto again; 526 fp->f_offset = off; /* update the vnode offset */ 527 528 eof: 529 *retval = SCARG(uap, nbytes) - resid; 530 out: 531 VOP_UNLOCK(vp); 532 free(cookiebuf, M_TEMP); 533 free(buf, M_TEMP); 534 return (error); 535 } 536 537 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 538 539 int 540 sunos_sys_mmap(p, v, retval) 541 register struct proc *p; 542 void *v; 543 register_t *retval; 544 { 545 register struct sunos_sys_mmap_args *uap = v; 546 struct sys_mmap_args ouap; 547 register struct filedesc *fdp; 548 register struct file *fp; 549 register struct vnode *vp; 550 551 /* 552 * Verify the arguments. 553 */ 554 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 555 return (EINVAL); /* XXX still needed? */ 556 557 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 558 return (EINVAL); 559 560 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 561 SCARG(&ouap, addr) = SCARG(uap, addr); 562 563 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 564 SCARG(&ouap, addr) != 0 && 565 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 566 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 567 568 SCARG(&ouap, len) = SCARG(uap, len); 569 SCARG(&ouap, prot) = SCARG(uap, prot); 570 SCARG(&ouap, fd) = SCARG(uap, fd); 571 SCARG(&ouap, pos) = SCARG(uap, pos); 572 573 /* 574 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 575 */ 576 fdp = p->p_fd; 577 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 578 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 579 fp->f_type == DTYPE_VNODE && /*XXX*/ 580 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 581 iszerodev(vp->v_rdev)) { /*XXX*/ 582 SCARG(&ouap, flags) |= MAP_ANON; 583 SCARG(&ouap, fd) = -1; 584 } 585 586 return (sys_mmap(p, &ouap, retval)); 587 } 588 589 #define MC_SYNC 1 590 #define MC_LOCK 2 591 #define MC_UNLOCK 3 592 #define MC_ADVISE 4 593 #define MC_LOCKAS 5 594 #define MC_UNLOCKAS 6 595 596 int 597 sunos_sys_mctl(p, v, retval) 598 register struct proc *p; 599 void *v; 600 register_t *retval; 601 { 602 register struct sunos_sys_mctl_args *uap = v; 603 604 switch (SCARG(uap, func)) { 605 case MC_ADVISE: /* ignore for now */ 606 return (0); 607 case MC_SYNC: /* translate to msync */ 608 return (sys_msync(p, uap, retval)); 609 default: 610 return (EINVAL); 611 } 612 } 613 614 int 615 sunos_sys_setsockopt(p, v, retval) 616 struct proc *p; 617 void *v; 618 register_t *retval; 619 { 620 register struct sunos_sys_setsockopt_args *uap = v; 621 struct file *fp; 622 struct mbuf *m = NULL; 623 int error; 624 625 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 626 return (error); 627 #define SO_DONTLINGER (~SO_LINGER) 628 if (SCARG(uap, name) == SO_DONTLINGER) { 629 m = m_get(M_WAIT, MT_SOOPTS); 630 mtod(m, struct linger *)->l_onoff = 0; 631 m->m_len = sizeof(struct linger); 632 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 633 SO_LINGER, m)); 634 } 635 if (SCARG(uap, level) == IPPROTO_IP) { 636 #define SUNOS_IP_MULTICAST_IF 2 637 #define SUNOS_IP_MULTICAST_TTL 3 638 #define SUNOS_IP_MULTICAST_LOOP 4 639 #define SUNOS_IP_ADD_MEMBERSHIP 5 640 #define SUNOS_IP_DROP_MEMBERSHIP 6 641 static int ipoptxlat[] = { 642 IP_MULTICAST_IF, 643 IP_MULTICAST_TTL, 644 IP_MULTICAST_LOOP, 645 IP_ADD_MEMBERSHIP, 646 IP_DROP_MEMBERSHIP 647 }; 648 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 649 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 650 SCARG(uap, name) = 651 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 652 } 653 } 654 if (SCARG(uap, valsize) > MLEN) 655 return (EINVAL); 656 if (SCARG(uap, val)) { 657 m = m_get(M_WAIT, MT_SOOPTS); 658 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 659 (u_int)SCARG(uap, valsize)); 660 if (error) { 661 (void) m_free(m); 662 return (error); 663 } 664 m->m_len = SCARG(uap, valsize); 665 } 666 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 667 SCARG(uap, name), m)); 668 } 669 670 int 671 sunos_sys_fchroot(p, v, retval) 672 register struct proc *p; 673 void *v; 674 register_t *retval; 675 { 676 register struct sunos_sys_fchroot_args *uap = v; 677 register struct filedesc *fdp = p->p_fd; 678 register struct vnode *vp; 679 struct file *fp; 680 int error; 681 682 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 683 return (error); 684 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 685 return (error); 686 vp = (struct vnode *)fp->f_data; 687 VOP_LOCK(vp); 688 if (vp->v_type != VDIR) 689 error = ENOTDIR; 690 else 691 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 692 VOP_UNLOCK(vp); 693 if (error) 694 return (error); 695 VREF(vp); 696 if (fdp->fd_rdir != NULL) 697 vrele(fdp->fd_rdir); 698 fdp->fd_rdir = vp; 699 return (0); 700 } 701 702 /* 703 * XXX: This needs cleaning up. 704 */ 705 int 706 sunos_sys_auditsys(p, v, retval) 707 struct proc *p; 708 void *v; 709 register_t *retval; 710 { 711 return 0; 712 } 713 714 int 715 sunos_sys_uname(p, v, retval) 716 struct proc *p; 717 void *v; 718 register_t *retval; 719 { 720 struct sunos_sys_uname_args *uap = v; 721 struct sunos_utsname sut; 722 extern char ostype[], machine[], osrelease[]; 723 724 bzero(&sut, sizeof(sut)); 725 726 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 727 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 728 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 729 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 730 bcopy("1", sut.version, sizeof(sut.version) - 1); 731 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 732 733 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 734 sizeof(struct sunos_utsname)); 735 } 736 737 int 738 sunos_sys_setpgrp(p, v, retval) 739 struct proc *p; 740 void *v; 741 register_t *retval; 742 { 743 struct sunos_sys_setpgrp_args *uap = v; 744 745 /* 746 * difference to our setpgid call is to include backwards 747 * compatibility to pre-setsid() binaries. Do setsid() 748 * instead of setpgid() in those cases where the process 749 * tries to create a new session the old way. 750 */ 751 if (!SCARG(uap, pgid) && 752 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 753 return sys_setsid(p, uap, retval); 754 else 755 return sys_setpgid(p, uap, retval); 756 } 757 758 int 759 sunos_sys_open(p, v, retval) 760 struct proc *p; 761 void *v; 762 register_t *retval; 763 { 764 struct sunos_sys_open_args *uap = v; 765 int l, r; 766 int noctty; 767 int ret; 768 769 caddr_t sg = stackgap_init(p->p_emul); 770 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 771 772 /* convert mode into NetBSD mode */ 773 l = SCARG(uap, flags); 774 noctty = l & 0x8000; 775 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 776 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 777 r |= ((l & 0x0080) ? O_SHLOCK : 0); 778 r |= ((l & 0x0100) ? O_EXLOCK : 0); 779 r |= ((l & 0x2000) ? O_FSYNC : 0); 780 781 SCARG(uap, flags) = r; 782 ret = sys_open(p, (struct sys_open_args *)uap, retval); 783 784 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 785 struct filedesc *fdp = p->p_fd; 786 struct file *fp = fdp->fd_ofiles[*retval]; 787 788 /* ignore any error, just give it a try */ 789 if (fp->f_type == DTYPE_VNODE) 790 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 791 } 792 return ret; 793 } 794 795 #if defined (NFSSERVER) 796 int 797 sunos_sys_nfssvc(p, v, retval) 798 struct proc *p; 799 void *v; 800 register_t *retval; 801 { 802 #if 0 803 struct sunos_sys_nfssvc_args *uap = v; 804 struct emul *e = p->p_emul; 805 struct sys_nfssvc_args outuap; 806 struct sockaddr sa; 807 int error; 808 caddr_t sg = stackgap_init(p->p_emul); 809 810 bzero(&outuap, sizeof outuap); 811 SCARG(&outuap, fd) = SCARG(uap, fd); 812 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 813 SCARG(&outuap, msklen) = sizeof(sa); 814 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 815 SCARG(&outuap, mtchlen) = sizeof(sa); 816 817 bzero(&sa, sizeof sa); 818 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 819 return (error); 820 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 821 return (error); 822 823 return nfssvc(p, &outuap, retval); 824 #else 825 return (ENOSYS); 826 #endif 827 } 828 #endif /* NFSSERVER */ 829 830 int 831 sunos_sys_ustat(p, v, retval) 832 struct proc *p; 833 void *v; 834 register_t *retval; 835 { 836 struct sunos_sys_ustat_args *uap = v; 837 struct sunos_ustat us; 838 int error; 839 840 bzero(&us, sizeof us); 841 842 /* 843 * XXX: should set f_tfree and f_tinode at least 844 * How do we translate dev -> fstat? (and then to sunos_ustat) 845 */ 846 847 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 848 return (error); 849 return 0; 850 } 851 852 int 853 sunos_sys_quotactl(p, v, retval) 854 struct proc *p; 855 void *v; 856 register_t *retval; 857 { 858 859 return EINVAL; 860 } 861 862 int 863 sunos_sys_vhangup(p, v, retval) 864 struct proc *p; 865 void *v; 866 register_t *retval; 867 { 868 struct session *sp = p->p_session; 869 870 if (sp->s_ttyvp == 0) 871 return 0; 872 873 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 874 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 875 876 (void) ttywait(sp->s_ttyp); 877 if (sp->s_ttyvp) 878 vgoneall(sp->s_ttyvp); 879 if (sp->s_ttyvp) 880 vrele(sp->s_ttyvp); 881 sp->s_ttyvp = NULL; 882 883 return 0; 884 } 885 886 static int 887 sunstatfs(sp, buf) 888 struct statfs *sp; 889 caddr_t buf; 890 { 891 struct sunos_statfs ssfs; 892 893 bzero(&ssfs, sizeof ssfs); 894 ssfs.f_type = 0; 895 ssfs.f_bsize = sp->f_bsize; 896 ssfs.f_blocks = sp->f_blocks; 897 ssfs.f_bfree = sp->f_bfree; 898 ssfs.f_bavail = sp->f_bavail; 899 ssfs.f_files = sp->f_files; 900 ssfs.f_ffree = sp->f_ffree; 901 ssfs.f_fsid = sp->f_fsid; 902 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 903 } 904 905 int 906 sunos_sys_statfs(p, v, retval) 907 struct proc *p; 908 void *v; 909 register_t *retval; 910 { 911 struct sunos_sys_statfs_args *uap = v; 912 register struct mount *mp; 913 register struct statfs *sp; 914 int error; 915 struct nameidata nd; 916 917 caddr_t sg = stackgap_init(p->p_emul); 918 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 919 920 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 921 if ((error = namei(&nd)) != 0) 922 return (error); 923 mp = nd.ni_vp->v_mount; 924 sp = &mp->mnt_stat; 925 vrele(nd.ni_vp); 926 if ((error = VFS_STATFS(mp, sp, p)) != 0) 927 return (error); 928 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 929 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 930 } 931 932 int 933 sunos_sys_fstatfs(p, v, retval) 934 struct proc *p; 935 void *v; 936 register_t *retval; 937 { 938 struct sunos_sys_fstatfs_args *uap = v; 939 struct file *fp; 940 struct mount *mp; 941 register struct statfs *sp; 942 int error; 943 944 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 945 return (error); 946 mp = ((struct vnode *)fp->f_data)->v_mount; 947 sp = &mp->mnt_stat; 948 if ((error = VFS_STATFS(mp, sp, p)) != 0) 949 return (error); 950 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 951 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 952 } 953 954 int 955 sunos_sys_exportfs(p, v, retval) 956 struct proc *p; 957 void *v; 958 register_t *retval; 959 { 960 /* 961 * XXX: should perhaps translate into a mount(2) 962 * with MOUNT_EXPORT? 963 */ 964 return 0; 965 } 966 967 int 968 sunos_sys_mknod(p, v, retval) 969 struct proc *p; 970 void *v; 971 register_t *retval; 972 { 973 struct sunos_sys_mknod_args *uap = v; 974 975 caddr_t sg = stackgap_init(p->p_emul); 976 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 977 978 if (S_ISFIFO(SCARG(uap, mode))) 979 return sys_mkfifo(p, uap, retval); 980 981 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 982 } 983 984 #define SUNOS_SC_ARG_MAX 1 985 #define SUNOS_SC_CHILD_MAX 2 986 #define SUNOS_SC_CLK_TCK 3 987 #define SUNOS_SC_NGROUPS_MAX 4 988 #define SUNOS_SC_OPEN_MAX 5 989 #define SUNOS_SC_JOB_CONTROL 6 990 #define SUNOS_SC_SAVED_IDS 7 991 #define SUNOS_SC_VERSION 8 992 993 int 994 sunos_sys_sysconf(p, v, retval) 995 struct proc *p; 996 void *v; 997 register_t *retval; 998 { 999 struct sunos_sys_sysconf_args *uap = v; 1000 extern int maxfiles; 1001 1002 switch(SCARG(uap, name)) { 1003 case SUNOS_SC_ARG_MAX: 1004 *retval = ARG_MAX; 1005 break; 1006 case SUNOS_SC_CHILD_MAX: 1007 *retval = maxproc; 1008 break; 1009 case SUNOS_SC_CLK_TCK: 1010 *retval = 60; /* should this be `hz', ie. 100? */ 1011 break; 1012 case SUNOS_SC_NGROUPS_MAX: 1013 *retval = NGROUPS_MAX; 1014 break; 1015 case SUNOS_SC_OPEN_MAX: 1016 *retval = maxfiles; 1017 break; 1018 case SUNOS_SC_JOB_CONTROL: 1019 *retval = 1; 1020 break; 1021 case SUNOS_SC_SAVED_IDS: 1022 #ifdef _POSIX_SAVED_IDS 1023 *retval = 1; 1024 #else 1025 *retval = 0; 1026 #endif 1027 break; 1028 case SUNOS_SC_VERSION: 1029 *retval = 198808; 1030 break; 1031 default: 1032 return EINVAL; 1033 } 1034 return 0; 1035 } 1036 1037 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1038 #define SUNOS_RLIM_NLIMITS 7 1039 1040 int 1041 sunos_sys_getrlimit(p, v, retval) 1042 struct proc *p; 1043 void *v; 1044 register_t *retval; 1045 { 1046 struct sunos_sys_getrlimit_args *uap = v; 1047 1048 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1049 return EINVAL; 1050 1051 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1052 SCARG(uap, which) = RLIMIT_NOFILE; 1053 1054 return compat_43_sys_getrlimit(p, uap, retval); 1055 } 1056 1057 int 1058 sunos_sys_setrlimit(p, v, retval) 1059 struct proc *p; 1060 void *v; 1061 register_t *retval; 1062 { 1063 struct sunos_sys_getrlimit_args *uap = v; 1064 1065 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1066 return EINVAL; 1067 1068 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1069 SCARG(uap, which) = RLIMIT_NOFILE; 1070 1071 return compat_43_sys_setrlimit(p, uap, retval); 1072 } 1073 1074 /* for the m68k machines */ 1075 #ifndef PT_GETFPREGS 1076 #define PT_GETFPREGS -1 1077 #endif 1078 #ifndef PT_SETFPREGS 1079 #define PT_SETFPREGS -1 1080 #endif 1081 1082 static int sreq2breq[] = { 1083 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1084 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1085 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1086 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1087 }; 1088 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1089 1090 int 1091 sunos_sys_ptrace(p, v, retval) 1092 struct proc *p; 1093 void *v; 1094 register_t *retval; 1095 { 1096 struct sunos_sys_ptrace_args *uap = v; 1097 struct sys_ptrace_args pa; 1098 int req; 1099 1100 req = SCARG(uap, req); 1101 1102 if (req < 0 || req >= nreqs) 1103 return (EINVAL); 1104 1105 req = sreq2breq[req]; 1106 if (req == -1) 1107 return (EINVAL); 1108 1109 SCARG(&pa, req) = req; 1110 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1111 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1112 SCARG(&pa, data) = SCARG(uap, data); 1113 1114 return sys_ptrace(p, &pa, retval); 1115 } 1116 1117 /* 1118 * SunOS reboot system call (for compatibility). 1119 * Sun lets you pass in a boot string which the PROM 1120 * saves and provides to the next boot program. 1121 */ 1122 1123 #define SUNOS_RB_ASKNAME 0x001 1124 #define SUNOS_RB_SINGLE 0x002 1125 #define SUNOS_RB_NOSYNC 0x004 1126 #define SUNOS_RB_HALT 0x008 1127 #define SUNOS_RB_DUMP 0x080 1128 #define SUNOS_RB_STRING 0x200 1129 1130 static struct sunos_howto_conv { 1131 int sun_howto; 1132 int bsd_howto; 1133 } sunos_howto_conv[] = { 1134 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1135 { SUNOS_RB_SINGLE, RB_SINGLE }, 1136 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1137 { SUNOS_RB_HALT, RB_HALT }, 1138 { SUNOS_RB_DUMP, RB_DUMP }, 1139 { SUNOS_RB_STRING, RB_STRING }, 1140 { 0x000, 0 }, 1141 }; 1142 1143 int 1144 sunos_sys_reboot(p, v, retval) 1145 struct proc *p; 1146 void *v; 1147 register_t *retval; 1148 { 1149 struct sunos_sys_reboot_args *uap = v; 1150 struct sys_reboot_args ua; 1151 struct sunos_howto_conv *convp; 1152 int error, bsd_howto, sun_howto; 1153 char *bootstr; 1154 1155 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1156 return (error); 1157 1158 /* 1159 * Convert howto bits to BSD format. 1160 */ 1161 sun_howto = SCARG(uap, howto); 1162 bsd_howto = 0; 1163 convp = sunos_howto_conv; 1164 while (convp->sun_howto) { 1165 if (sun_howto & convp->sun_howto) 1166 bsd_howto |= convp->bsd_howto; 1167 convp++; 1168 } 1169 1170 /* 1171 * Sun RB_STRING (Get user supplied bootstring.) 1172 * If the machine supports passing a string to the 1173 * next booted kernel. 1174 */ 1175 if (sun_howto & SUNOS_RB_STRING) { 1176 char bs[128]; 1177 1178 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1179 1180 if (error) 1181 bootstr = NULL; 1182 else 1183 bootstr = bs; 1184 } else 1185 bootstr = NULL; 1186 1187 SCARG(&ua, opt) = bsd_howto; 1188 SCARG(&ua, bootstr) = bootstr; 1189 sys_reboot(p, &ua, retval); 1190 return(0); 1191 } 1192 1193 /* 1194 * Generalized interface signal handler, 4.3-compatible. 1195 */ 1196 /* ARGSUSED */ 1197 int 1198 sunos_sys_sigvec(p, v, retval) 1199 struct proc *p; 1200 void *v; 1201 register_t *retval; 1202 { 1203 register struct sunos_sys_sigvec_args /* { 1204 syscallarg(int) signum; 1205 syscallarg(struct sigvec *) nsv; 1206 syscallarg(struct sigvec *) osv; 1207 } */ *uap = v; 1208 struct sigvec vec; 1209 register struct sigacts *ps = p->p_sigacts; 1210 register struct sigvec *sv; 1211 register int signum; 1212 int bit, error; 1213 1214 signum = SCARG(uap, signum); 1215 if (signum <= 0 || signum >= NSIG || 1216 signum == SIGKILL || signum == SIGSTOP) 1217 return (EINVAL); 1218 sv = &vec; 1219 if (SCARG(uap, osv)) { 1220 *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; 1221 sv->sv_mask = ps->ps_catchmask[signum]; 1222 bit = sigmask(signum); 1223 sv->sv_flags = 0; 1224 if ((ps->ps_sigonstack & bit) != 0) 1225 sv->sv_flags |= SV_ONSTACK; 1226 if ((ps->ps_sigintr & bit) != 0) 1227 sv->sv_flags |= SV_INTERRUPT; 1228 if ((ps->ps_sigreset & bit) != 0) 1229 sv->sv_flags |= SA_RESETHAND; 1230 sv->sv_mask &= ~bit; 1231 error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), 1232 sizeof (vec)); 1233 if (error) 1234 return (error); 1235 } 1236 if (SCARG(uap, nsv)) { 1237 error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, 1238 sizeof (vec)); 1239 if (error) 1240 return (error); 1241 /* 1242 * SunOS uses the mask 0x0004 as SV_RESETHAND 1243 * meaning: `reset to SIG_DFL on delivery'. 1244 * We support only the bits in: 0xF 1245 * (those bits are the same as ours) 1246 */ 1247 if (sv->sv_flags & ~0xF) 1248 return (EINVAL); 1249 /* SunOS binaries have a user-mode trampoline. */ 1250 sv->sv_flags |= SA_USERTRAMP; 1251 /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ 1252 sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ 1253 setsigvec(p, signum, (struct sigaction *)sv); 1254 } 1255 return (0); 1256 } 1257