1 /* $NetBSD: sunos_misc.c,v 1.74 1996/10/13 01:16:19 christos 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> 102 103 static int sunstatfs __P((struct statfs *, caddr_t)); 104 105 int 106 sunos_sys_stime(p, v, retval) 107 struct proc *p; 108 void *v; 109 register_t *retval; 110 { 111 struct sunos_sys_stime_args *uap = v; 112 struct sys_settimeofday_args ap; 113 caddr_t sg = stackgap_init(p->p_emul); 114 struct timeval tv; 115 int error; 116 117 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 118 if (error) 119 return error; 120 tv.tv_usec = 0; 121 122 SCARG(&ap, tv) = stackgap_alloc(&sg, sizeof(struct timeval)); 123 SCARG(&ap, tzp) = NULL; 124 125 error = copyout(&tv, SCARG(&ap, tv), sizeof(struct timeval)); 126 if (error) 127 return error; 128 129 return sys_settimeofday(p, &ap, retval); 130 } 131 132 int 133 sunos_sys_wait4(p, v, retval) 134 struct proc *p; 135 void *v; 136 register_t *retval; 137 { 138 struct sunos_sys_wait4_args *uap = v; 139 if (SCARG(uap, pid) == 0) 140 SCARG(uap, pid) = WAIT_ANY; 141 return (sys_wait4(p, uap, retval)); 142 } 143 144 int 145 sunos_sys_creat(p, v, retval) 146 struct proc *p; 147 void *v; 148 register_t *retval; 149 { 150 struct sunos_sys_creat_args *uap = v; 151 struct sys_open_args ouap; 152 153 caddr_t sg = stackgap_init(p->p_emul); 154 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 155 156 SCARG(&ouap, path) = SCARG(uap, path); 157 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 158 SCARG(&ouap, mode) = SCARG(uap, mode); 159 160 return (sys_open(p, &ouap, retval)); 161 } 162 163 int 164 sunos_sys_access(p, v, retval) 165 struct proc *p; 166 void *v; 167 register_t *retval; 168 { 169 struct sunos_sys_access_args *uap = v; 170 caddr_t sg = stackgap_init(p->p_emul); 171 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 172 173 return (sys_access(p, uap, retval)); 174 } 175 176 int 177 sunos_sys_stat(p, v, retval) 178 struct proc *p; 179 void *v; 180 register_t *retval; 181 { 182 struct sunos_sys_stat_args *uap = v; 183 caddr_t sg = stackgap_init(p->p_emul); 184 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 185 186 return (compat_43_sys_stat(p, uap, retval)); 187 } 188 189 int 190 sunos_sys_lstat(p, v, retval) 191 struct proc *p; 192 void *v; 193 register_t *retval; 194 { 195 struct sunos_sys_lstat_args *uap = v; 196 caddr_t sg = stackgap_init(p->p_emul); 197 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 198 199 return (compat_43_sys_lstat(p, uap, retval)); 200 } 201 202 int 203 sunos_sys_execv(p, v, retval) 204 struct proc *p; 205 void *v; 206 register_t *retval; 207 { 208 struct sunos_sys_execv_args /* { 209 syscallarg(char *) path; 210 syscallarg(char **) argv; 211 } */ *uap = v; 212 struct sys_execve_args ap; 213 caddr_t sg; 214 215 sg = stackgap_init(p->p_emul); 216 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 217 218 SCARG(&ap, path) = SCARG(uap, path); 219 SCARG(&ap, argp) = SCARG(uap, argp); 220 SCARG(&ap, envp) = NULL; 221 222 return (sys_execve(p, &ap, retval)); 223 } 224 225 int 226 sunos_sys_execve(p, v, retval) 227 struct proc *p; 228 void *v; 229 register_t *retval; 230 { 231 struct sunos_sys_execve_args /* { 232 syscallarg(char *) path; 233 syscallarg(char **) argv; 234 syscallarg(char **) envp; 235 } */ *uap = v; 236 struct sys_execve_args ap; 237 caddr_t sg; 238 239 sg = stackgap_init(p->p_emul); 240 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 241 242 SCARG(&ap, path) = SCARG(uap, path); 243 SCARG(&ap, argp) = SCARG(uap, argp); 244 SCARG(&ap, envp) = SCARG(uap, envp); 245 246 return (sys_execve(p, &ap, retval)); 247 } 248 249 int 250 sunos_sys_omsync(p, v, retval) 251 struct proc *p; 252 void *v; 253 register_t *retval; 254 { 255 struct sunos_sys_omsync_args *uap = v; 256 struct sys_msync_args ouap; 257 258 if (SCARG(uap, flags)) 259 return (EINVAL); 260 SCARG(&ouap, addr) = SCARG(uap, addr); 261 SCARG(&ouap, len) = SCARG(uap, len); 262 263 return (sys_msync(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(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 caddr_t sg = stackgap_init(p->p_emul); 807 808 bzero(&outuap, sizeof outuap); 809 SCARG(&outuap, fd) = SCARG(uap, fd); 810 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 811 SCARG(&outuap, msklen) = sizeof(sa); 812 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 813 SCARG(&outuap, mtchlen) = sizeof(sa); 814 815 bzero(&sa, sizeof sa); 816 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 817 return (error); 818 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 819 return (error); 820 821 return nfssvc(p, &outuap, retval); 822 #else 823 return (ENOSYS); 824 #endif 825 } 826 #endif /* NFSSERVER */ 827 828 int 829 sunos_sys_ustat(p, v, retval) 830 struct proc *p; 831 void *v; 832 register_t *retval; 833 { 834 struct sunos_sys_ustat_args *uap = v; 835 struct sunos_ustat us; 836 int error; 837 838 bzero(&us, sizeof us); 839 840 /* 841 * XXX: should set f_tfree and f_tinode at least 842 * How do we translate dev -> fstat? (and then to sunos_ustat) 843 */ 844 845 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 846 return (error); 847 return 0; 848 } 849 850 int 851 sunos_sys_quotactl(p, v, retval) 852 struct proc *p; 853 void *v; 854 register_t *retval; 855 { 856 857 return EINVAL; 858 } 859 860 int 861 sunos_sys_vhangup(p, v, retval) 862 struct proc *p; 863 void *v; 864 register_t *retval; 865 { 866 struct session *sp = p->p_session; 867 868 if (sp->s_ttyvp == 0) 869 return 0; 870 871 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 872 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 873 874 (void) ttywait(sp->s_ttyp); 875 if (sp->s_ttyvp) 876 vgoneall(sp->s_ttyvp); 877 if (sp->s_ttyvp) 878 vrele(sp->s_ttyvp); 879 sp->s_ttyvp = NULL; 880 881 return 0; 882 } 883 884 static int 885 sunstatfs(sp, buf) 886 struct statfs *sp; 887 caddr_t buf; 888 { 889 struct sunos_statfs ssfs; 890 891 bzero(&ssfs, sizeof ssfs); 892 ssfs.f_type = 0; 893 ssfs.f_bsize = sp->f_bsize; 894 ssfs.f_blocks = sp->f_blocks; 895 ssfs.f_bfree = sp->f_bfree; 896 ssfs.f_bavail = sp->f_bavail; 897 ssfs.f_files = sp->f_files; 898 ssfs.f_ffree = sp->f_ffree; 899 ssfs.f_fsid = sp->f_fsid; 900 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 901 } 902 903 int 904 sunos_sys_statfs(p, v, retval) 905 struct proc *p; 906 void *v; 907 register_t *retval; 908 { 909 struct sunos_sys_statfs_args *uap = v; 910 register struct mount *mp; 911 register struct statfs *sp; 912 int error; 913 struct nameidata nd; 914 915 caddr_t sg = stackgap_init(p->p_emul); 916 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 917 918 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 919 if ((error = namei(&nd)) != 0) 920 return (error); 921 mp = nd.ni_vp->v_mount; 922 sp = &mp->mnt_stat; 923 vrele(nd.ni_vp); 924 if ((error = VFS_STATFS(mp, sp, p)) != 0) 925 return (error); 926 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 927 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 928 } 929 930 int 931 sunos_sys_fstatfs(p, v, retval) 932 struct proc *p; 933 void *v; 934 register_t *retval; 935 { 936 struct sunos_sys_fstatfs_args *uap = v; 937 struct file *fp; 938 struct mount *mp; 939 register struct statfs *sp; 940 int error; 941 942 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 943 return (error); 944 mp = ((struct vnode *)fp->f_data)->v_mount; 945 sp = &mp->mnt_stat; 946 if ((error = VFS_STATFS(mp, sp, p)) != 0) 947 return (error); 948 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 949 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 950 } 951 952 int 953 sunos_sys_exportfs(p, v, retval) 954 struct proc *p; 955 void *v; 956 register_t *retval; 957 { 958 /* 959 * XXX: should perhaps translate into a mount(2) 960 * with MOUNT_EXPORT? 961 */ 962 return 0; 963 } 964 965 int 966 sunos_sys_mknod(p, v, retval) 967 struct proc *p; 968 void *v; 969 register_t *retval; 970 { 971 struct sunos_sys_mknod_args *uap = v; 972 973 caddr_t sg = stackgap_init(p->p_emul); 974 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 975 976 if (S_ISFIFO(SCARG(uap, mode))) 977 return sys_mkfifo(p, uap, retval); 978 979 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 980 } 981 982 #define SUNOS_SC_ARG_MAX 1 983 #define SUNOS_SC_CHILD_MAX 2 984 #define SUNOS_SC_CLK_TCK 3 985 #define SUNOS_SC_NGROUPS_MAX 4 986 #define SUNOS_SC_OPEN_MAX 5 987 #define SUNOS_SC_JOB_CONTROL 6 988 #define SUNOS_SC_SAVED_IDS 7 989 #define SUNOS_SC_VERSION 8 990 991 int 992 sunos_sys_sysconf(p, v, retval) 993 struct proc *p; 994 void *v; 995 register_t *retval; 996 { 997 struct sunos_sys_sysconf_args *uap = v; 998 extern int maxfiles; 999 1000 switch(SCARG(uap, name)) { 1001 case SUNOS_SC_ARG_MAX: 1002 *retval = ARG_MAX; 1003 break; 1004 case SUNOS_SC_CHILD_MAX: 1005 *retval = maxproc; 1006 break; 1007 case SUNOS_SC_CLK_TCK: 1008 *retval = 60; /* should this be `hz', ie. 100? */ 1009 break; 1010 case SUNOS_SC_NGROUPS_MAX: 1011 *retval = NGROUPS_MAX; 1012 break; 1013 case SUNOS_SC_OPEN_MAX: 1014 *retval = maxfiles; 1015 break; 1016 case SUNOS_SC_JOB_CONTROL: 1017 *retval = 1; 1018 break; 1019 case SUNOS_SC_SAVED_IDS: 1020 #ifdef _POSIX_SAVED_IDS 1021 *retval = 1; 1022 #else 1023 *retval = 0; 1024 #endif 1025 break; 1026 case SUNOS_SC_VERSION: 1027 *retval = 198808; 1028 break; 1029 default: 1030 return EINVAL; 1031 } 1032 return 0; 1033 } 1034 1035 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1036 #define SUNOS_RLIM_NLIMITS 7 1037 1038 int 1039 sunos_sys_getrlimit(p, v, retval) 1040 struct proc *p; 1041 void *v; 1042 register_t *retval; 1043 { 1044 struct sunos_sys_getrlimit_args *uap = v; 1045 1046 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1047 return EINVAL; 1048 1049 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1050 SCARG(uap, which) = RLIMIT_NOFILE; 1051 1052 return compat_43_sys_getrlimit(p, uap, retval); 1053 } 1054 1055 int 1056 sunos_sys_setrlimit(p, v, retval) 1057 struct proc *p; 1058 void *v; 1059 register_t *retval; 1060 { 1061 struct sunos_sys_getrlimit_args *uap = v; 1062 1063 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1064 return EINVAL; 1065 1066 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1067 SCARG(uap, which) = RLIMIT_NOFILE; 1068 1069 return compat_43_sys_setrlimit(p, uap, retval); 1070 } 1071 1072 /* for the m68k machines */ 1073 #ifndef PT_GETFPREGS 1074 #define PT_GETFPREGS -1 1075 #endif 1076 #ifndef PT_SETFPREGS 1077 #define PT_SETFPREGS -1 1078 #endif 1079 1080 static int sreq2breq[] = { 1081 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1082 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1083 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1084 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1085 }; 1086 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1087 1088 int 1089 sunos_sys_ptrace(p, v, retval) 1090 struct proc *p; 1091 void *v; 1092 register_t *retval; 1093 { 1094 struct sunos_sys_ptrace_args *uap = v; 1095 struct sys_ptrace_args pa; 1096 int req; 1097 1098 req = SCARG(uap, req); 1099 1100 if (req < 0 || req >= nreqs) 1101 return (EINVAL); 1102 1103 req = sreq2breq[req]; 1104 if (req == -1) 1105 return (EINVAL); 1106 1107 SCARG(&pa, req) = req; 1108 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1109 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1110 SCARG(&pa, data) = SCARG(uap, data); 1111 1112 return sys_ptrace(p, &pa, retval); 1113 } 1114 1115 /* 1116 * SunOS reboot system call (for compatibility). 1117 * Sun lets you pass in a boot string which the PROM 1118 * saves and provides to the next boot program. 1119 */ 1120 1121 #define SUNOS_RB_ASKNAME 0x001 1122 #define SUNOS_RB_SINGLE 0x002 1123 #define SUNOS_RB_NOSYNC 0x004 1124 #define SUNOS_RB_HALT 0x008 1125 #define SUNOS_RB_DUMP 0x080 1126 #define SUNOS_RB_STRING 0x200 1127 1128 static struct sunos_howto_conv { 1129 int sun_howto; 1130 int bsd_howto; 1131 } sunos_howto_conv[] = { 1132 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1133 { SUNOS_RB_SINGLE, RB_SINGLE }, 1134 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1135 { SUNOS_RB_HALT, RB_HALT }, 1136 { SUNOS_RB_DUMP, RB_DUMP }, 1137 { SUNOS_RB_STRING, RB_STRING }, 1138 { 0x000, 0 }, 1139 }; 1140 1141 int 1142 sunos_sys_reboot(p, v, retval) 1143 struct proc *p; 1144 void *v; 1145 register_t *retval; 1146 { 1147 struct sunos_sys_reboot_args *uap = v; 1148 struct sys_reboot_args ua; 1149 struct sunos_howto_conv *convp; 1150 int error, bsd_howto, sun_howto; 1151 char *bootstr; 1152 1153 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1154 return (error); 1155 1156 /* 1157 * Convert howto bits to BSD format. 1158 */ 1159 sun_howto = SCARG(uap, howto); 1160 bsd_howto = 0; 1161 convp = sunos_howto_conv; 1162 while (convp->sun_howto) { 1163 if (sun_howto & convp->sun_howto) 1164 bsd_howto |= convp->bsd_howto; 1165 convp++; 1166 } 1167 1168 /* 1169 * Sun RB_STRING (Get user supplied bootstring.) 1170 * If the machine supports passing a string to the 1171 * next booted kernel. 1172 */ 1173 if (sun_howto & SUNOS_RB_STRING) { 1174 char bs[128]; 1175 1176 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1177 1178 if (error) 1179 bootstr = NULL; 1180 else 1181 bootstr = bs; 1182 } else 1183 bootstr = NULL; 1184 1185 SCARG(&ua, opt) = bsd_howto; 1186 SCARG(&ua, bootstr) = bootstr; 1187 sys_reboot(p, &ua, retval); 1188 return(0); 1189 } 1190 1191 /* 1192 * Generalized interface signal handler, 4.3-compatible. 1193 */ 1194 /* ARGSUSED */ 1195 int 1196 sunos_sys_sigvec(p, v, retval) 1197 struct proc *p; 1198 void *v; 1199 register_t *retval; 1200 { 1201 register struct sunos_sys_sigvec_args /* { 1202 syscallarg(int) signum; 1203 syscallarg(struct sigvec *) nsv; 1204 syscallarg(struct sigvec *) osv; 1205 } */ *uap = v; 1206 struct sigvec vec; 1207 register struct sigacts *ps = p->p_sigacts; 1208 register struct sigvec *sv; 1209 register int signum; 1210 int bit, error; 1211 1212 signum = SCARG(uap, signum); 1213 if (signum <= 0 || signum >= NSIG || 1214 signum == SIGKILL || signum == SIGSTOP) 1215 return (EINVAL); 1216 sv = &vec; 1217 if (SCARG(uap, osv)) { 1218 *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; 1219 sv->sv_mask = ps->ps_catchmask[signum]; 1220 bit = sigmask(signum); 1221 sv->sv_flags = 0; 1222 if ((ps->ps_sigonstack & bit) != 0) 1223 sv->sv_flags |= SV_ONSTACK; 1224 if ((ps->ps_sigintr & bit) != 0) 1225 sv->sv_flags |= SV_INTERRUPT; 1226 if ((ps->ps_sigreset & bit) != 0) 1227 sv->sv_flags |= SA_RESETHAND; 1228 sv->sv_mask &= ~bit; 1229 error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), 1230 sizeof (vec)); 1231 if (error) 1232 return (error); 1233 } 1234 if (SCARG(uap, nsv)) { 1235 error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, 1236 sizeof (vec)); 1237 if (error) 1238 return (error); 1239 /* 1240 * SunOS uses the mask 0x0004 as SV_RESETHAND 1241 * meaning: `reset to SIG_DFL on delivery'. 1242 * We support only the bits in: 0xF 1243 * (those bits are the same as ours) 1244 */ 1245 if (sv->sv_flags & ~0xF) 1246 return (EINVAL); 1247 /* SunOS binaries have a user-mode trampoline. */ 1248 sv->sv_flags |= SA_USERTRAMP; 1249 /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ 1250 sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ 1251 setsigvec(p, signum, (struct sigaction *)sv); 1252 } 1253 return (0); 1254 } 1255