1 /* $NetBSD: sunos_misc.c,v 1.72 1996/09/07 12:40:48 mycroft 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 87 #include <compat/sunos/sunos.h> 88 #include <compat/sunos/sunos_syscallargs.h> 89 #include <compat/sunos/sunos_util.h> 90 #include <compat/sunos/sunos_dirent.h> 91 92 #include <netinet/in.h> 93 94 #include <miscfs/specfs/specdev.h> 95 96 #include <nfs/rpcv2.h> 97 #include <nfs/nfsproto.h> 98 #include <nfs/nfs.h> 99 100 #include <vm/vm.h> 101 102 static int sunstatfs __P((struct statfs *, caddr_t)); 103 104 int 105 sunos_sys_stime(p, v, retval) 106 struct proc *p; 107 void *v; 108 register_t *retval; 109 { 110 struct sunos_sys_stime_args *uap = v; 111 struct sys_settimeofday_args ap; 112 caddr_t sg = stackgap_init(p->p_emul); 113 struct timeval tv; 114 int error; 115 116 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 117 if (error) 118 return error; 119 tv.tv_usec = 0; 120 121 SCARG(&ap, tv) = stackgap_alloc(&sg, sizeof(struct timeval)); 122 SCARG(&ap, tzp) = NULL; 123 124 error = copyout(&tv, SCARG(&ap, tv), sizeof(struct timeval)); 125 if (error) 126 return error; 127 128 return sys_settimeofday(p, &ap, retval); 129 } 130 131 int 132 sunos_sys_wait4(p, v, retval) 133 struct proc *p; 134 void *v; 135 register_t *retval; 136 { 137 struct sunos_sys_wait4_args *uap = v; 138 if (SCARG(uap, pid) == 0) 139 SCARG(uap, pid) = WAIT_ANY; 140 return (sys_wait4(p, uap, retval)); 141 } 142 143 int 144 sunos_sys_creat(p, v, retval) 145 struct proc *p; 146 void *v; 147 register_t *retval; 148 { 149 struct sunos_sys_creat_args *uap = v; 150 struct sys_open_args ouap; 151 152 caddr_t sg = stackgap_init(p->p_emul); 153 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 154 155 SCARG(&ouap, path) = SCARG(uap, path); 156 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 157 SCARG(&ouap, mode) = SCARG(uap, mode); 158 159 return (sys_open(p, &ouap, retval)); 160 } 161 162 int 163 sunos_sys_access(p, v, retval) 164 struct proc *p; 165 void *v; 166 register_t *retval; 167 { 168 struct sunos_sys_access_args *uap = v; 169 caddr_t sg = stackgap_init(p->p_emul); 170 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 171 172 return (sys_access(p, uap, retval)); 173 } 174 175 int 176 sunos_sys_stat(p, v, retval) 177 struct proc *p; 178 void *v; 179 register_t *retval; 180 { 181 struct sunos_sys_stat_args *uap = v; 182 caddr_t sg = stackgap_init(p->p_emul); 183 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 184 185 return (compat_43_sys_stat(p, uap, retval)); 186 } 187 188 int 189 sunos_sys_lstat(p, v, retval) 190 struct proc *p; 191 void *v; 192 register_t *retval; 193 { 194 struct sunos_sys_lstat_args *uap = v; 195 caddr_t sg = stackgap_init(p->p_emul); 196 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 197 198 return (compat_43_sys_lstat(p, uap, retval)); 199 } 200 201 int 202 sunos_sys_execv(p, v, retval) 203 struct proc *p; 204 void *v; 205 register_t *retval; 206 { 207 struct sunos_sys_execv_args /* { 208 syscallarg(char *) path; 209 syscallarg(char **) argv; 210 } */ *uap = v; 211 struct sys_execve_args ap; 212 caddr_t sg; 213 214 sg = stackgap_init(p->p_emul); 215 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 216 217 SCARG(&ap, path) = SCARG(uap, path); 218 SCARG(&ap, argp) = SCARG(uap, argp); 219 SCARG(&ap, envp) = NULL; 220 221 return (sys_execve(p, &ap, retval)); 222 } 223 224 int 225 sunos_sys_execve(p, v, retval) 226 struct proc *p; 227 void *v; 228 register_t *retval; 229 { 230 struct sunos_sys_execve_args /* { 231 syscallarg(char *) path; 232 syscallarg(char **) argv; 233 syscallarg(char **) envp; 234 } */ *uap = v; 235 struct sys_execve_args ap; 236 caddr_t sg; 237 238 sg = stackgap_init(p->p_emul); 239 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 240 241 SCARG(&ap, path) = SCARG(uap, path); 242 SCARG(&ap, argp) = SCARG(uap, argp); 243 SCARG(&ap, envp) = SCARG(uap, envp); 244 245 return (sys_execve(p, &ap, retval)); 246 } 247 248 int 249 sunos_sys_omsync(p, v, retval) 250 struct proc *p; 251 void *v; 252 register_t *retval; 253 { 254 struct sunos_sys_omsync_args *uap = v; 255 struct sys_msync_args ouap; 256 257 if (SCARG(uap, flags)) 258 return (EINVAL); 259 SCARG(&ouap, addr) = SCARG(uap, addr); 260 SCARG(&ouap, len) = SCARG(uap, len); 261 262 return (sys_msync(p, &ouap, retval)); 263 } 264 265 int 266 sunos_sys_unmount(p, v, retval) 267 struct proc *p; 268 void *v; 269 register_t *retval; 270 { 271 struct sunos_sys_unmount_args *uap = v; 272 struct sys_unmount_args ouap; 273 274 SCARG(&ouap, path) = SCARG(uap, path); 275 SCARG(&ouap, flags) = 0; 276 277 return (sys_unmount(p, &ouap, retval)); 278 } 279 280 /* 281 * Conversion table for SunOS NFS mount flags. 282 */ 283 static struct { 284 int sun_flg; 285 int bsd_flg; 286 } sunnfs_flgtab[] = { 287 { SUNNFS_SOFT, NFSMNT_SOFT }, 288 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 289 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 290 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 291 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 292 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 293 { SUNNFS_INT, NFSMNT_INT }, 294 { SUNNFS_NOAC, 0 }, /* Ignored */ 295 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 296 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 297 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 298 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 299 { SUNNFS_SECURE, 0 }, /* Ignored */ 300 { SUNNFS_NOCTO, 0 }, /* Ignored */ 301 { SUNNFS_POSIX, 0 } /* Ignored */ 302 }; 303 304 int 305 sunos_sys_mount(p, v, retval) 306 struct proc *p; 307 void *v; 308 register_t *retval; 309 { 310 struct sunos_sys_mount_args *uap = v; 311 struct emul *e = p->p_emul; 312 int oflags = SCARG(uap, flags), nflags, error; 313 char fsname[MFSNAMELEN]; 314 315 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 316 return (EINVAL); 317 if ((oflags & SUNM_NEWTYPE) == 0) 318 return (EINVAL); 319 nflags = 0; 320 if (oflags & SUNM_RDONLY) 321 nflags |= MNT_RDONLY; 322 if (oflags & SUNM_NOSUID) 323 nflags |= MNT_NOSUID; 324 if (oflags & SUNM_REMOUNT) 325 nflags |= MNT_UPDATE; 326 SCARG(uap, flags) = nflags; 327 328 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 329 sizeof fsname, (size_t *)0); 330 if (error) 331 return (error); 332 333 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 334 SCARG(uap, type) = STACKGAPBASE; 335 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 336 if (error) 337 return (error); 338 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 339 struct sunos_nfs_args sna; 340 struct sockaddr_in sain; 341 struct nfs_args na; 342 struct sockaddr sa; 343 int n; 344 345 error = copyin(SCARG(uap, data), &sna, sizeof sna); 346 if (error) 347 return (error); 348 error = copyin(sna.addr, &sain, sizeof sain); 349 if (error) 350 return (error); 351 bcopy(&sain, &sa, sizeof sa); 352 sa.sa_len = sizeof(sain); 353 SCARG(uap, data) = STACKGAPBASE; 354 na.version = NFS_ARGSVERSION; 355 na.addr = (struct sockaddr *) 356 ((int)SCARG(uap, data) + sizeof na); 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(NFSCLIENT) 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 /* NFSCLIENT */ 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 u_long *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 off = *cookie++; /* each entry points to next */ 492 if (bdp->d_fileno == 0) { 493 inp += reclen; /* it is a hole; squish it out */ 494 continue; 495 } 496 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 497 if (reclen > len || resid < sunos_reclen) { 498 /* entry too big for buffer, so just stop */ 499 outp++; 500 break; 501 } 502 /* 503 * Massage in place to make a Sun-shaped dirent (otherwise 504 * we have to worry about touching user memory outside of 505 * the copyout() call). 506 */ 507 idb.d_fileno = bdp->d_fileno; 508 idb.d_off = off; 509 idb.d_reclen = sunos_reclen; 510 idb.d_namlen = bdp->d_namlen; 511 strcpy(idb.d_name, bdp->d_name); 512 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 513 goto out; 514 /* advance past this real entry */ 515 inp += reclen; 516 /* advance output past Sun-shaped entry */ 517 outp += sunos_reclen; 518 resid -= sunos_reclen; 519 } 520 521 /* if we squished out the whole block, try again */ 522 if (outp == SCARG(uap, buf)) 523 goto again; 524 fp->f_offset = off; /* update the vnode offset */ 525 526 eof: 527 *retval = SCARG(uap, nbytes) - resid; 528 out: 529 VOP_UNLOCK(vp); 530 free(cookiebuf, M_TEMP); 531 free(buf, M_TEMP); 532 return (error); 533 } 534 535 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 536 537 int 538 sunos_sys_mmap(p, v, retval) 539 register struct proc *p; 540 void *v; 541 register_t *retval; 542 { 543 register struct sunos_sys_mmap_args *uap = v; 544 struct sys_mmap_args ouap; 545 register struct filedesc *fdp; 546 register struct file *fp; 547 register struct vnode *vp; 548 549 /* 550 * Verify the arguments. 551 */ 552 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 553 return (EINVAL); /* XXX still needed? */ 554 555 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 556 return (EINVAL); 557 558 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 559 SCARG(&ouap, addr) = SCARG(uap, addr); 560 561 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 562 SCARG(&ouap, addr) != 0 && 563 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 564 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 565 566 SCARG(&ouap, len) = SCARG(uap, len); 567 SCARG(&ouap, prot) = SCARG(uap, prot); 568 SCARG(&ouap, fd) = SCARG(uap, fd); 569 SCARG(&ouap, pos) = SCARG(uap, pos); 570 571 /* 572 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 573 */ 574 fdp = p->p_fd; 575 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 576 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 577 fp->f_type == DTYPE_VNODE && /*XXX*/ 578 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 579 iszerodev(vp->v_rdev)) { /*XXX*/ 580 SCARG(&ouap, flags) |= MAP_ANON; 581 SCARG(&ouap, fd) = -1; 582 } 583 584 return (sys_mmap(p, &ouap, retval)); 585 } 586 587 #define MC_SYNC 1 588 #define MC_LOCK 2 589 #define MC_UNLOCK 3 590 #define MC_ADVISE 4 591 #define MC_LOCKAS 5 592 #define MC_UNLOCKAS 6 593 594 int 595 sunos_sys_mctl(p, v, retval) 596 register struct proc *p; 597 void *v; 598 register_t *retval; 599 { 600 register struct sunos_sys_mctl_args *uap = v; 601 602 switch (SCARG(uap, func)) { 603 case MC_ADVISE: /* ignore for now */ 604 return (0); 605 case MC_SYNC: /* translate to msync */ 606 return (sys_msync(p, uap, retval)); 607 default: 608 return (EINVAL); 609 } 610 } 611 612 int 613 sunos_sys_setsockopt(p, v, retval) 614 struct proc *p; 615 void *v; 616 register_t *retval; 617 { 618 register struct sunos_sys_setsockopt_args *uap = v; 619 struct file *fp; 620 struct mbuf *m = NULL; 621 int error; 622 623 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 624 return (error); 625 #define SO_DONTLINGER (~SO_LINGER) 626 if (SCARG(uap, name) == SO_DONTLINGER) { 627 m = m_get(M_WAIT, MT_SOOPTS); 628 mtod(m, struct linger *)->l_onoff = 0; 629 m->m_len = sizeof(struct linger); 630 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 631 SO_LINGER, m)); 632 } 633 if (SCARG(uap, level) == IPPROTO_IP) { 634 #define SUNOS_IP_MULTICAST_IF 2 635 #define SUNOS_IP_MULTICAST_TTL 3 636 #define SUNOS_IP_MULTICAST_LOOP 4 637 #define SUNOS_IP_ADD_MEMBERSHIP 5 638 #define SUNOS_IP_DROP_MEMBERSHIP 6 639 static int ipoptxlat[] = { 640 IP_MULTICAST_IF, 641 IP_MULTICAST_TTL, 642 IP_MULTICAST_LOOP, 643 IP_ADD_MEMBERSHIP, 644 IP_DROP_MEMBERSHIP 645 }; 646 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 647 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 648 SCARG(uap, name) = 649 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 650 } 651 } 652 if (SCARG(uap, valsize) > MLEN) 653 return (EINVAL); 654 if (SCARG(uap, val)) { 655 m = m_get(M_WAIT, MT_SOOPTS); 656 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 657 (u_int)SCARG(uap, valsize)); 658 if (error) { 659 (void) m_free(m); 660 return (error); 661 } 662 m->m_len = SCARG(uap, valsize); 663 } 664 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 665 SCARG(uap, name), m)); 666 } 667 668 int 669 sunos_sys_fchroot(p, v, retval) 670 register struct proc *p; 671 void *v; 672 register_t *retval; 673 { 674 register struct sunos_sys_fchroot_args *uap = v; 675 register struct filedesc *fdp = p->p_fd; 676 register struct vnode *vp; 677 struct file *fp; 678 int error; 679 680 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 681 return (error); 682 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 683 return (error); 684 vp = (struct vnode *)fp->f_data; 685 VOP_LOCK(vp); 686 if (vp->v_type != VDIR) 687 error = ENOTDIR; 688 else 689 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 690 VOP_UNLOCK(vp); 691 if (error) 692 return (error); 693 VREF(vp); 694 if (fdp->fd_rdir != NULL) 695 vrele(fdp->fd_rdir); 696 fdp->fd_rdir = vp; 697 return (0); 698 } 699 700 /* 701 * XXX: This needs cleaning up. 702 */ 703 int 704 sunos_sys_auditsys(p, v, retval) 705 struct proc *p; 706 void *v; 707 register_t *retval; 708 { 709 return 0; 710 } 711 712 int 713 sunos_sys_uname(p, v, retval) 714 struct proc *p; 715 void *v; 716 register_t *retval; 717 { 718 struct sunos_sys_uname_args *uap = v; 719 struct sunos_utsname sut; 720 extern char ostype[], machine[], osrelease[]; 721 722 bzero(&sut, sizeof(sut)); 723 724 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 725 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 726 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 727 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 728 bcopy("1", sut.version, sizeof(sut.version) - 1); 729 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 730 731 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 732 sizeof(struct sunos_utsname)); 733 } 734 735 int 736 sunos_sys_setpgrp(p, v, retval) 737 struct proc *p; 738 void *v; 739 register_t *retval; 740 { 741 struct sunos_sys_setpgrp_args *uap = v; 742 743 /* 744 * difference to our setpgid call is to include backwards 745 * compatibility to pre-setsid() binaries. Do setsid() 746 * instead of setpgid() in those cases where the process 747 * tries to create a new session the old way. 748 */ 749 if (!SCARG(uap, pgid) && 750 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 751 return sys_setsid(p, uap, retval); 752 else 753 return sys_setpgid(p, uap, retval); 754 } 755 756 int 757 sunos_sys_open(p, v, retval) 758 struct proc *p; 759 void *v; 760 register_t *retval; 761 { 762 struct sunos_sys_open_args *uap = v; 763 int l, r; 764 int noctty; 765 int ret; 766 767 caddr_t sg = stackgap_init(p->p_emul); 768 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 769 770 /* convert mode into NetBSD mode */ 771 l = SCARG(uap, flags); 772 noctty = l & 0x8000; 773 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 774 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 775 r |= ((l & 0x0080) ? O_SHLOCK : 0); 776 r |= ((l & 0x0100) ? O_EXLOCK : 0); 777 r |= ((l & 0x2000) ? O_FSYNC : 0); 778 779 SCARG(uap, flags) = r; 780 ret = sys_open(p, (struct sys_open_args *)uap, retval); 781 782 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 783 struct filedesc *fdp = p->p_fd; 784 struct file *fp = fdp->fd_ofiles[*retval]; 785 786 /* ignore any error, just give it a try */ 787 if (fp->f_type == DTYPE_VNODE) 788 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 789 } 790 return ret; 791 } 792 793 #if defined (NFSSERVER) 794 int 795 sunos_sys_nfssvc(p, v, retval) 796 struct proc *p; 797 void *v; 798 register_t *retval; 799 { 800 #if 0 801 struct sunos_sys_nfssvc_args *uap = v; 802 struct emul *e = p->p_emul; 803 struct sys_nfssvc_args outuap; 804 struct sockaddr sa; 805 int error; 806 807 bzero(&outuap, sizeof outuap); 808 SCARG(&outuap, fd) = SCARG(uap, fd); 809 SCARG(&outuap, mskval) = STACKGAPBASE; 810 SCARG(&outuap, msklen) = sizeof sa; 811 SCARG(&outuap, mtchval) = SCARG(&outuap, mskval) + sizeof sa; 812 SCARG(&outuap, mtchlen) = sizeof sa; 813 814 bzero(&sa, sizeof sa); 815 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 816 return (error); 817 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 818 return (error); 819 820 return nfssvc(p, &outuap, retval); 821 #else 822 return (ENOSYS); 823 #endif 824 } 825 #endif /* NFSSERVER */ 826 827 int 828 sunos_sys_ustat(p, v, retval) 829 struct proc *p; 830 void *v; 831 register_t *retval; 832 { 833 struct sunos_sys_ustat_args *uap = v; 834 struct sunos_ustat us; 835 int error; 836 837 bzero(&us, sizeof us); 838 839 /* 840 * XXX: should set f_tfree and f_tinode at least 841 * How do we translate dev -> fstat? (and then to sunos_ustat) 842 */ 843 844 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 845 return (error); 846 return 0; 847 } 848 849 int 850 sunos_sys_quotactl(p, v, retval) 851 struct proc *p; 852 void *v; 853 register_t *retval; 854 { 855 856 return EINVAL; 857 } 858 859 int 860 sunos_sys_vhangup(p, v, retval) 861 struct proc *p; 862 void *v; 863 register_t *retval; 864 { 865 struct session *sp = p->p_session; 866 867 if (sp->s_ttyvp == 0) 868 return 0; 869 870 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 871 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 872 873 (void) ttywait(sp->s_ttyp); 874 if (sp->s_ttyvp) 875 vgoneall(sp->s_ttyvp); 876 if (sp->s_ttyvp) 877 vrele(sp->s_ttyvp); 878 sp->s_ttyvp = NULL; 879 880 return 0; 881 } 882 883 static int 884 sunstatfs(sp, buf) 885 struct statfs *sp; 886 caddr_t buf; 887 { 888 struct sunos_statfs ssfs; 889 890 bzero(&ssfs, sizeof ssfs); 891 ssfs.f_type = 0; 892 ssfs.f_bsize = sp->f_bsize; 893 ssfs.f_blocks = sp->f_blocks; 894 ssfs.f_bfree = sp->f_bfree; 895 ssfs.f_bavail = sp->f_bavail; 896 ssfs.f_files = sp->f_files; 897 ssfs.f_ffree = sp->f_ffree; 898 ssfs.f_fsid = sp->f_fsid; 899 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 900 } 901 902 int 903 sunos_sys_statfs(p, v, retval) 904 struct proc *p; 905 void *v; 906 register_t *retval; 907 { 908 struct sunos_sys_statfs_args *uap = v; 909 register struct mount *mp; 910 register struct statfs *sp; 911 int error; 912 struct nameidata nd; 913 914 caddr_t sg = stackgap_init(p->p_emul); 915 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 916 917 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 918 if ((error = namei(&nd)) != 0) 919 return (error); 920 mp = nd.ni_vp->v_mount; 921 sp = &mp->mnt_stat; 922 vrele(nd.ni_vp); 923 if ((error = VFS_STATFS(mp, sp, p)) != 0) 924 return (error); 925 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 926 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 927 } 928 929 int 930 sunos_sys_fstatfs(p, v, retval) 931 struct proc *p; 932 void *v; 933 register_t *retval; 934 { 935 struct sunos_sys_fstatfs_args *uap = v; 936 struct file *fp; 937 struct mount *mp; 938 register struct statfs *sp; 939 int error; 940 941 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 942 return (error); 943 mp = ((struct vnode *)fp->f_data)->v_mount; 944 sp = &mp->mnt_stat; 945 if ((error = VFS_STATFS(mp, sp, p)) != 0) 946 return (error); 947 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 948 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 949 } 950 951 int 952 sunos_sys_exportfs(p, v, retval) 953 struct proc *p; 954 void *v; 955 register_t *retval; 956 { 957 /* 958 * XXX: should perhaps translate into a mount(2) 959 * with MOUNT_EXPORT? 960 */ 961 return 0; 962 } 963 964 int 965 sunos_sys_mknod(p, v, retval) 966 struct proc *p; 967 void *v; 968 register_t *retval; 969 { 970 struct sunos_sys_mknod_args *uap = v; 971 972 caddr_t sg = stackgap_init(p->p_emul); 973 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 974 975 if (S_ISFIFO(SCARG(uap, mode))) 976 return sys_mkfifo(p, uap, retval); 977 978 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 979 } 980 981 #define SUNOS_SC_ARG_MAX 1 982 #define SUNOS_SC_CHILD_MAX 2 983 #define SUNOS_SC_CLK_TCK 3 984 #define SUNOS_SC_NGROUPS_MAX 4 985 #define SUNOS_SC_OPEN_MAX 5 986 #define SUNOS_SC_JOB_CONTROL 6 987 #define SUNOS_SC_SAVED_IDS 7 988 #define SUNOS_SC_VERSION 8 989 990 int 991 sunos_sys_sysconf(p, v, retval) 992 struct proc *p; 993 void *v; 994 register_t *retval; 995 { 996 struct sunos_sys_sysconf_args *uap = v; 997 extern int maxfiles; 998 999 switch(SCARG(uap, name)) { 1000 case SUNOS_SC_ARG_MAX: 1001 *retval = ARG_MAX; 1002 break; 1003 case SUNOS_SC_CHILD_MAX: 1004 *retval = maxproc; 1005 break; 1006 case SUNOS_SC_CLK_TCK: 1007 *retval = 60; /* should this be `hz', ie. 100? */ 1008 break; 1009 case SUNOS_SC_NGROUPS_MAX: 1010 *retval = NGROUPS_MAX; 1011 break; 1012 case SUNOS_SC_OPEN_MAX: 1013 *retval = maxfiles; 1014 break; 1015 case SUNOS_SC_JOB_CONTROL: 1016 *retval = 1; 1017 break; 1018 case SUNOS_SC_SAVED_IDS: 1019 #ifdef _POSIX_SAVED_IDS 1020 *retval = 1; 1021 #else 1022 *retval = 0; 1023 #endif 1024 break; 1025 case SUNOS_SC_VERSION: 1026 *retval = 198808; 1027 break; 1028 default: 1029 return EINVAL; 1030 } 1031 return 0; 1032 } 1033 1034 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1035 #define SUNOS_RLIM_NLIMITS 7 1036 1037 int 1038 sunos_sys_getrlimit(p, v, retval) 1039 struct proc *p; 1040 void *v; 1041 register_t *retval; 1042 { 1043 struct sunos_sys_getrlimit_args *uap = v; 1044 1045 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1046 return EINVAL; 1047 1048 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1049 SCARG(uap, which) = RLIMIT_NOFILE; 1050 1051 return compat_43_sys_getrlimit(p, uap, retval); 1052 } 1053 1054 int 1055 sunos_sys_setrlimit(p, v, retval) 1056 struct proc *p; 1057 void *v; 1058 register_t *retval; 1059 { 1060 struct sunos_sys_getrlimit_args *uap = v; 1061 1062 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1063 return EINVAL; 1064 1065 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1066 SCARG(uap, which) = RLIMIT_NOFILE; 1067 1068 return compat_43_sys_setrlimit(p, uap, retval); 1069 } 1070 1071 /* for the m68k machines */ 1072 #ifndef PT_GETFPREGS 1073 #define PT_GETFPREGS -1 1074 #endif 1075 #ifndef PT_SETFPREGS 1076 #define PT_SETFPREGS -1 1077 #endif 1078 1079 static int sreq2breq[] = { 1080 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1081 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1082 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1083 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1084 }; 1085 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1086 1087 int 1088 sunos_sys_ptrace(p, v, retval) 1089 struct proc *p; 1090 void *v; 1091 register_t *retval; 1092 { 1093 struct sunos_sys_ptrace_args *uap = v; 1094 struct sys_ptrace_args pa; 1095 int req; 1096 1097 req = SCARG(uap, req); 1098 1099 if (req < 0 || req >= nreqs) 1100 return (EINVAL); 1101 1102 req = sreq2breq[req]; 1103 if (req == -1) 1104 return (EINVAL); 1105 1106 SCARG(&pa, req) = req; 1107 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1108 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1109 SCARG(&pa, data) = SCARG(uap, data); 1110 1111 return sys_ptrace(p, &pa, retval); 1112 } 1113 1114 /* 1115 * SunOS reboot system call (for compatibility). 1116 * Sun lets you pass in a boot string which the PROM 1117 * saves and provides to the next boot program. 1118 */ 1119 1120 #define SUNOS_RB_ASKNAME 0x001 1121 #define SUNOS_RB_SINGLE 0x002 1122 #define SUNOS_RB_NOSYNC 0x004 1123 #define SUNOS_RB_HALT 0x008 1124 #define SUNOS_RB_DUMP 0x080 1125 #define SUNOS_RB_STRING 0x200 1126 1127 static struct sunos_howto_conv { 1128 int sun_howto; 1129 int bsd_howto; 1130 } sunos_howto_conv[] = { 1131 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1132 { SUNOS_RB_SINGLE, RB_SINGLE }, 1133 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1134 { SUNOS_RB_HALT, RB_HALT }, 1135 { SUNOS_RB_DUMP, RB_DUMP }, 1136 { SUNOS_RB_STRING, RB_STRING }, 1137 { 0x000, 0 }, 1138 }; 1139 1140 int 1141 sunos_sys_reboot(p, v, retval) 1142 struct proc *p; 1143 void *v; 1144 register_t *retval; 1145 { 1146 struct sunos_sys_reboot_args *uap = v; 1147 struct sys_reboot_args ua; 1148 struct sunos_howto_conv *convp; 1149 int error, bsd_howto, sun_howto; 1150 char *bootstr; 1151 1152 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1153 return (error); 1154 1155 /* 1156 * Convert howto bits to BSD format. 1157 */ 1158 sun_howto = SCARG(uap, howto); 1159 bsd_howto = 0; 1160 convp = sunos_howto_conv; 1161 while (convp->sun_howto) { 1162 if (sun_howto & convp->sun_howto) 1163 bsd_howto |= convp->bsd_howto; 1164 convp++; 1165 } 1166 1167 /* 1168 * Sun RB_STRING (Get user supplied bootstring.) 1169 * If the machine supports passing a string to the 1170 * next booted kernel. 1171 */ 1172 if (sun_howto & SUNOS_RB_STRING) { 1173 char bs[128]; 1174 1175 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1176 1177 if (error) 1178 bootstr = NULL; 1179 else 1180 bootstr = bs; 1181 } else 1182 bootstr = NULL; 1183 1184 SCARG(&ua, opt) = bsd_howto; 1185 SCARG(&ua, bootstr) = bootstr; 1186 sys_reboot(p, &ua, retval); 1187 return(0); 1188 } 1189 1190 /* 1191 * Generalized interface signal handler, 4.3-compatible. 1192 */ 1193 /* ARGSUSED */ 1194 int 1195 sunos_sys_sigvec(p, v, retval) 1196 struct proc *p; 1197 void *v; 1198 register_t *retval; 1199 { 1200 register struct sunos_sys_sigvec_args /* { 1201 syscallarg(int) signum; 1202 syscallarg(struct sigvec *) nsv; 1203 syscallarg(struct sigvec *) osv; 1204 } */ *uap = v; 1205 struct sigvec vec; 1206 register struct sigacts *ps = p->p_sigacts; 1207 register struct sigvec *sv; 1208 register int signum; 1209 int bit, error; 1210 1211 signum = SCARG(uap, signum); 1212 if (signum <= 0 || signum >= NSIG || 1213 signum == SIGKILL || signum == SIGSTOP) 1214 return (EINVAL); 1215 sv = &vec; 1216 if (SCARG(uap, osv)) { 1217 *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; 1218 sv->sv_mask = ps->ps_catchmask[signum]; 1219 bit = sigmask(signum); 1220 sv->sv_flags = 0; 1221 if ((ps->ps_sigonstack & bit) != 0) 1222 sv->sv_flags |= SV_ONSTACK; 1223 if ((ps->ps_sigintr & bit) != 0) 1224 sv->sv_flags |= SV_INTERRUPT; 1225 if ((ps->ps_sigreset & bit) != 0) 1226 sv->sv_flags |= SA_RESETHAND; 1227 sv->sv_mask &= ~bit; 1228 error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), 1229 sizeof (vec)); 1230 if (error) 1231 return (error); 1232 } 1233 if (SCARG(uap, nsv)) { 1234 error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, 1235 sizeof (vec)); 1236 if (error) 1237 return (error); 1238 /* 1239 * SunOS uses the mask 0x0004 as SV_RESETHAND 1240 * meaning: `reset to SIG_DFL on delivery'. 1241 * We support only the bits in: 0xF 1242 * (those bits are the same as ours) 1243 */ 1244 if (sv->sv_flags & ~0xF) 1245 return (EINVAL); 1246 /* SunOS binaries have a user-mode trampoline. */ 1247 sv->sv_flags |= SA_USERTRAMP; 1248 /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ 1249 sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ 1250 setsigvec(p, signum, (struct sigaction *)sv); 1251 } 1252 return (0); 1253 } 1254