1 /* $NetBSD: sunos_misc.c,v 1.105 2000/06/28 15:39:35 mrg 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 #define COMPAT_SUNOS 1 57 58 #include "opt_nfsserver.h" 59 #include "fs_nfs.h" 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscallargs.h> 89 #include <sys/conf.h> 90 #include <sys/socketvar.h> 91 #include <sys/exec.h> 92 #include <sys/swap.h> 93 94 #include <compat/sunos/sunos.h> 95 #include <compat/sunos/sunos_syscallargs.h> 96 #include <compat/sunos/sunos_util.h> 97 #include <compat/sunos/sunos_dirent.h> 98 99 #include <netinet/in.h> 100 101 #include <miscfs/specfs/specdev.h> 102 103 #include <nfs/rpcv2.h> 104 #include <nfs/nfsproto.h> 105 #include <nfs/nfs.h> 106 #include <nfs/nfsmount.h> 107 108 static int sunstatfs __P((struct statfs *, caddr_t)); 109 110 int 111 sunos_sys_stime(p, v, retval) 112 struct proc *p; 113 void *v; 114 register_t *retval; 115 { 116 struct sunos_sys_stime_args *uap = v; 117 struct sys_settimeofday_args ap; 118 caddr_t sg = stackgap_init(p->p_emul); 119 struct timeval tv, *sgtvp; 120 int error; 121 122 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 123 if (error) 124 return error; 125 tv.tv_usec = 0; 126 127 SCARG(&ap, tv) = sgtvp = stackgap_alloc(&sg, sizeof(struct timeval)); 128 SCARG(&ap, tzp) = NULL; 129 130 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 131 if (error) 132 return error; 133 134 return sys_settimeofday(p, &ap, retval); 135 } 136 137 int 138 sunos_sys_wait4(p, v, retval) 139 struct proc *p; 140 void *v; 141 register_t *retval; 142 { 143 struct sunos_sys_wait4_args *uap = v; 144 if (SCARG(uap, pid) == 0) 145 SCARG(uap, pid) = WAIT_ANY; 146 return (sys_wait4(p, uap, retval)); 147 } 148 149 int 150 sunos_sys_creat(p, v, retval) 151 struct proc *p; 152 void *v; 153 register_t *retval; 154 { 155 struct sunos_sys_creat_args *uap = v; 156 struct sys_open_args ouap; 157 158 caddr_t sg = stackgap_init(p->p_emul); 159 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 160 161 SCARG(&ouap, path) = SCARG(uap, path); 162 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 163 SCARG(&ouap, mode) = SCARG(uap, mode); 164 165 return (sys_open(p, &ouap, retval)); 166 } 167 168 int 169 sunos_sys_access(p, v, retval) 170 struct proc *p; 171 void *v; 172 register_t *retval; 173 { 174 struct sunos_sys_access_args *uap = v; 175 caddr_t sg = stackgap_init(p->p_emul); 176 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 177 178 return (sys_access(p, uap, retval)); 179 } 180 181 int 182 sunos_sys_stat(p, v, retval) 183 struct proc *p; 184 void *v; 185 register_t *retval; 186 { 187 struct sunos_sys_stat_args *uap = v; 188 caddr_t sg = stackgap_init(p->p_emul); 189 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 190 191 return (compat_43_sys_stat(p, uap, retval)); 192 } 193 194 int 195 sunos_sys_lstat(p, v, retval) 196 struct proc *p; 197 void *v; 198 register_t *retval; 199 { 200 struct sunos_sys_lstat_args *uap = v; 201 caddr_t sg = stackgap_init(p->p_emul); 202 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 203 204 return (compat_43_sys_lstat(p, uap, retval)); 205 } 206 207 int 208 sunos_sys_execv(p, v, retval) 209 struct proc *p; 210 void *v; 211 register_t *retval; 212 { 213 struct sunos_sys_execv_args /* { 214 syscallarg(const char *) path; 215 syscallarg(char **) argv; 216 } */ *uap = v; 217 struct sys_execve_args ap; 218 caddr_t sg; 219 220 sg = stackgap_init(p->p_emul); 221 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 222 223 SCARG(&ap, path) = SCARG(uap, path); 224 SCARG(&ap, argp) = SCARG(uap, argp); 225 SCARG(&ap, envp) = NULL; 226 227 return (sys_execve(p, &ap, retval)); 228 } 229 230 int 231 sunos_sys_execve(p, v, retval) 232 struct proc *p; 233 void *v; 234 register_t *retval; 235 { 236 struct sunos_sys_execve_args /* { 237 syscallarg(const char *) path; 238 syscallarg(char **) argv; 239 syscallarg(char **) envp; 240 } */ *uap = v; 241 struct sys_execve_args ap; 242 caddr_t sg; 243 244 sg = stackgap_init(p->p_emul); 245 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 246 247 SCARG(&ap, path) = SCARG(uap, path); 248 SCARG(&ap, argp) = SCARG(uap, argp); 249 SCARG(&ap, envp) = SCARG(uap, envp); 250 251 return (sys_execve(p, &ap, retval)); 252 } 253 254 int 255 sunos_sys_omsync(p, v, retval) 256 struct proc *p; 257 void *v; 258 register_t *retval; 259 { 260 struct sunos_sys_omsync_args *uap = v; 261 struct sys___msync13_args ouap; 262 263 SCARG(&ouap, addr) = SCARG(uap, addr); 264 SCARG(&ouap, len) = SCARG(uap, len); 265 SCARG(&ouap, flags) = SCARG(uap, flags); 266 267 return (sys___msync13(p, &ouap, retval)); 268 } 269 270 int 271 sunos_sys_unmount(p, v, retval) 272 struct proc *p; 273 void *v; 274 register_t *retval; 275 { 276 struct sunos_sys_unmount_args *uap = v; 277 struct sys_unmount_args ouap; 278 279 SCARG(&ouap, path) = SCARG(uap, path); 280 SCARG(&ouap, flags) = 0; 281 282 return (sys_unmount(p, &ouap, retval)); 283 } 284 285 /* 286 * Conversion table for SunOS NFS mount flags. 287 */ 288 static struct { 289 int sun_flg; 290 int bsd_flg; 291 } sunnfs_flgtab[] = { 292 { SUNNFS_SOFT, NFSMNT_SOFT }, 293 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 294 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 295 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 296 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 297 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 298 { SUNNFS_INT, NFSMNT_INT }, 299 { SUNNFS_NOAC, 0 }, /* Ignored */ 300 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 301 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 302 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 303 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 304 { SUNNFS_SECURE, 0 }, /* Ignored */ 305 { SUNNFS_NOCTO, 0 }, /* Ignored */ 306 { SUNNFS_POSIX, 0 } /* Ignored */ 307 }; 308 309 int 310 sunos_sys_mount(p, v, retval) 311 struct proc *p; 312 void *v; 313 register_t *retval; 314 { 315 struct sunos_sys_mount_args *uap = v; 316 int oflags = SCARG(uap, flags), nflags, error; 317 char fsname[MFSNAMELEN]; 318 caddr_t sg = stackgap_init(p->p_emul); 319 320 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 321 return (EINVAL); 322 if ((oflags & SUNM_NEWTYPE) == 0) 323 return (EINVAL); 324 nflags = 0; 325 if (oflags & SUNM_RDONLY) 326 nflags |= MNT_RDONLY; 327 if (oflags & SUNM_NOSUID) 328 nflags |= MNT_NOSUID; 329 if (oflags & SUNM_REMOUNT) 330 nflags |= MNT_UPDATE; 331 SCARG(uap, flags) = nflags; 332 333 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 334 sizeof fsname, (size_t *)0); 335 if (error) 336 return (error); 337 338 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 339 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 340 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 341 if (error) 342 return (error); 343 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 344 struct sunos_nfs_args sna; 345 struct sockaddr_in sain; 346 struct nfs_args na; 347 struct sockaddr sa; 348 int n; 349 350 error = copyin(SCARG(uap, data), &sna, sizeof sna); 351 if (error) 352 return (error); 353 error = copyin(sna.addr, &sain, sizeof sain); 354 if (error) 355 return (error); 356 memcpy(&sa, &sain, sizeof sa); 357 sa.sa_len = sizeof(sain); 358 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 359 na.version = NFS_ARGSVERSION; 360 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 361 na.addrlen = sizeof(struct sockaddr); 362 na.sotype = SOCK_DGRAM; 363 na.proto = IPPROTO_UDP; 364 na.fh = (void *)sna.fh; 365 na.fhsize = NFSX_V2FH; 366 na.flags = 0; 367 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 368 while (--n >= 0) 369 if (sna.flags & sunnfs_flgtab[n].sun_flg) 370 na.flags |= sunnfs_flgtab[n].bsd_flg; 371 na.wsize = sna.wsize; 372 na.rsize = sna.rsize; 373 if (na.flags & NFSMNT_RSIZE) { 374 na.flags |= NFSMNT_READDIRSIZE; 375 na.readdirsize = na.rsize; 376 } 377 na.timeo = sna.timeo; 378 na.retrans = sna.retrans; 379 na.hostname = sna.hostname; 380 381 error = copyout(&sa, na.addr, sizeof sa); 382 if (error) 383 return (error); 384 error = copyout(&na, SCARG(uap, data), sizeof na); 385 if (error) 386 return (error); 387 } 388 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 389 } 390 391 #if defined(NFS) 392 int 393 async_daemon(p, v, retval) 394 struct proc *p; 395 void *v; 396 register_t *retval; 397 { 398 struct sys_nfssvc_args ouap; 399 400 SCARG(&ouap, flag) = NFSSVC_BIOD; 401 SCARG(&ouap, argp) = NULL; 402 403 return (sys_nfssvc(p, &ouap, retval)); 404 } 405 #endif /* NFS */ 406 407 void native_to_sunos_sigset __P((const sigset_t *, int *)); 408 void sunos_to_native_sigset __P((const int, sigset_t *)); 409 410 __inline__ void 411 native_to_sunos_sigset(ss, mask) 412 const sigset_t *ss; 413 int *mask; 414 { 415 *mask = ss->__bits[0]; 416 } 417 418 __inline__ void 419 sunos_to_native_sigset(mask, ss) 420 const int mask; 421 sigset_t *ss; 422 { 423 424 ss->__bits[0] = mask; 425 ss->__bits[1] = 0; 426 ss->__bits[2] = 0; 427 ss->__bits[3] = 0; 428 } 429 430 int 431 sunos_sys_sigpending(p, v, retval) 432 struct proc *p; 433 void *v; 434 register_t *retval; 435 { 436 struct sunos_sys_sigpending_args *uap = v; 437 sigset_t ss; 438 int mask; 439 440 sigpending1(p, &ss); 441 native_to_sunos_sigset(&ss, &mask); 442 443 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 444 } 445 446 int 447 sunos_sys_sigsuspend(p, v, retval) 448 struct proc *p; 449 void *v; 450 register_t *retval; 451 { 452 struct sunos_sys_sigsuspend_args /* { 453 syscallarg(int) mask; 454 } */ *uap = v; 455 int mask; 456 sigset_t ss; 457 458 mask = SCARG(uap, mask); 459 sunos_to_native_sigset(mask, &ss); 460 return (sigsuspend1(p, &ss)); 461 } 462 463 /* 464 * Read Sun-style directory entries. We suck them into kernel space so 465 * that they can be massaged before being copied out to user code. Like 466 * SunOS, we squish out `empty' entries. 467 * 468 * This is quite ugly, but what do you expect from compatibility code? 469 */ 470 int 471 sunos_sys_getdents(p, v, retval) 472 struct proc *p; 473 void *v; 474 register_t *retval; 475 { 476 struct sunos_sys_getdents_args *uap = v; 477 struct dirent *bdp; 478 struct vnode *vp; 479 caddr_t inp, buf; /* BSD-format */ 480 int len, reclen; /* BSD-format */ 481 caddr_t outp; /* Sun-format */ 482 int resid, sunos_reclen;/* Sun-format */ 483 struct file *fp; 484 struct uio auio; 485 struct iovec aiov; 486 struct sunos_dirent idb; 487 off_t off; /* true file offset */ 488 int buflen, error, eofflag; 489 off_t *cookiebuf, *cookie; 490 int ncookies; 491 492 /* getvnode() will use the descriptor for us */ 493 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 494 return (error); 495 496 if ((fp->f_flag & FREAD) == 0) { 497 error = EBADF; 498 goto out1; 499 } 500 501 vp = (struct vnode *)fp->f_data; 502 if (vp->v_type != VDIR) { 503 error = EINVAL; 504 goto out1; 505 } 506 507 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 508 buf = malloc(buflen, M_TEMP, M_WAITOK); 509 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 510 off = fp->f_offset; 511 again: 512 aiov.iov_base = buf; 513 aiov.iov_len = buflen; 514 auio.uio_iov = &aiov; 515 auio.uio_iovcnt = 1; 516 auio.uio_rw = UIO_READ; 517 auio.uio_segflg = UIO_SYSSPACE; 518 auio.uio_procp = p; 519 auio.uio_resid = buflen; 520 auio.uio_offset = off; 521 /* 522 * First we read into the malloc'ed buffer, then 523 * we massage it into user space, one record at a time. 524 */ 525 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 526 &ncookies); 527 if (error) 528 goto out; 529 530 inp = buf; 531 outp = SCARG(uap, buf); 532 resid = SCARG(uap, nbytes); 533 if ((len = buflen - auio.uio_resid) == 0) 534 goto eof; 535 536 for (cookie = cookiebuf; len > 0; len -= reclen) { 537 bdp = (struct dirent *)inp; 538 reclen = bdp->d_reclen; 539 if (reclen & 3) 540 panic("sunos_getdents"); 541 if ((*cookie >> 32) != 0) { 542 compat_offseterr(vp, "sunos_getdents"); 543 error = EINVAL; 544 goto out; 545 } 546 if (bdp->d_fileno == 0) { 547 inp += reclen; /* it is a hole; squish it out */ 548 off = *cookie++; 549 continue; 550 } 551 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 552 if (reclen > len || resid < sunos_reclen) { 553 /* entry too big for buffer, so just stop */ 554 outp++; 555 break; 556 } 557 off = *cookie++; /* each entry points to next */ 558 /* 559 * Massage in place to make a Sun-shaped dirent (otherwise 560 * we have to worry about touching user memory outside of 561 * the copyout() call). 562 */ 563 idb.d_fileno = bdp->d_fileno; 564 idb.d_off = off; 565 idb.d_reclen = sunos_reclen; 566 idb.d_namlen = bdp->d_namlen; 567 strcpy(idb.d_name, bdp->d_name); 568 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 569 goto out; 570 /* advance past this real entry */ 571 inp += reclen; 572 /* advance output past Sun-shaped entry */ 573 outp += sunos_reclen; 574 resid -= sunos_reclen; 575 } 576 577 /* if we squished out the whole block, try again */ 578 if (outp == SCARG(uap, buf)) 579 goto again; 580 fp->f_offset = off; /* update the vnode offset */ 581 582 eof: 583 *retval = SCARG(uap, nbytes) - resid; 584 out: 585 VOP_UNLOCK(vp, 0); 586 free(cookiebuf, M_TEMP); 587 free(buf, M_TEMP); 588 out1: 589 FILE_UNUSE(fp, p); 590 return (error); 591 } 592 593 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 594 595 int 596 sunos_sys_mmap(p, v, retval) 597 struct proc *p; 598 void *v; 599 register_t *retval; 600 { 601 struct sunos_sys_mmap_args *uap = v; 602 struct sys_mmap_args ouap; 603 struct filedesc *fdp; 604 struct file *fp; 605 struct vnode *vp; 606 607 /* 608 * Verify the arguments. 609 */ 610 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 611 return (EINVAL); /* XXX still needed? */ 612 613 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 614 return (EINVAL); 615 616 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 617 SCARG(&ouap, addr) = SCARG(uap, addr); 618 619 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 620 SCARG(&ouap, addr) != 0 && 621 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 622 SCARG(&ouap, addr) = (caddr_t)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 623 624 SCARG(&ouap, len) = SCARG(uap, len); 625 SCARG(&ouap, prot) = SCARG(uap, prot); 626 SCARG(&ouap, fd) = SCARG(uap, fd); 627 SCARG(&ouap, pos) = SCARG(uap, pos); 628 629 /* 630 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 631 */ 632 fdp = p->p_fd; 633 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 634 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 635 fp->f_type == DTYPE_VNODE && /*XXX*/ 636 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 637 iszerodev(vp->v_rdev)) { /*XXX*/ 638 SCARG(&ouap, flags) |= MAP_ANON; 639 SCARG(&ouap, fd) = -1; 640 } 641 642 return (sys_mmap(p, &ouap, retval)); 643 } 644 645 #define MC_SYNC 1 646 #define MC_LOCK 2 647 #define MC_UNLOCK 3 648 #define MC_ADVISE 4 649 #define MC_LOCKAS 5 650 #define MC_UNLOCKAS 6 651 652 int 653 sunos_sys_mctl(p, v, retval) 654 struct proc *p; 655 void *v; 656 register_t *retval; 657 { 658 struct sunos_sys_mctl_args *uap = v; 659 660 switch (SCARG(uap, func)) { 661 case MC_ADVISE: /* ignore for now */ 662 return (0); 663 case MC_SYNC: /* translate to msync */ 664 return (sys___msync13(p, uap, retval)); 665 default: 666 return (EINVAL); 667 } 668 } 669 670 int 671 sunos_sys_setsockopt(p, v, retval) 672 struct proc *p; 673 void *v; 674 register_t *retval; 675 { 676 struct sunos_sys_setsockopt_args *uap = v; 677 struct file *fp; 678 struct mbuf *m = NULL; 679 int error; 680 681 /* getsock() will use the descriptor for us */ 682 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 683 return (error); 684 #define SO_DONTLINGER (~SO_LINGER) 685 if (SCARG(uap, name) == SO_DONTLINGER) { 686 m = m_get(M_WAIT, MT_SOOPTS); 687 mtod(m, struct linger *)->l_onoff = 0; 688 m->m_len = sizeof(struct linger); 689 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 690 SO_LINGER, m); 691 goto out; 692 } 693 if (SCARG(uap, level) == IPPROTO_IP) { 694 #define SUNOS_IP_MULTICAST_IF 2 695 #define SUNOS_IP_MULTICAST_TTL 3 696 #define SUNOS_IP_MULTICAST_LOOP 4 697 #define SUNOS_IP_ADD_MEMBERSHIP 5 698 #define SUNOS_IP_DROP_MEMBERSHIP 6 699 static int ipoptxlat[] = { 700 IP_MULTICAST_IF, 701 IP_MULTICAST_TTL, 702 IP_MULTICAST_LOOP, 703 IP_ADD_MEMBERSHIP, 704 IP_DROP_MEMBERSHIP 705 }; 706 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 707 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 708 SCARG(uap, name) = 709 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 710 } 711 } 712 if (SCARG(uap, valsize) > MLEN) { 713 error = EINVAL; 714 goto out; 715 } 716 if (SCARG(uap, val)) { 717 m = m_get(M_WAIT, MT_SOOPTS); 718 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 719 (u_int)SCARG(uap, valsize)); 720 if (error) { 721 (void) m_free(m); 722 goto out; 723 } 724 m->m_len = SCARG(uap, valsize); 725 } 726 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 727 SCARG(uap, name), m); 728 out: 729 FILE_UNUSE(fp, p); 730 return (error); 731 } 732 733 /* 734 * XXX: This needs cleaning up. 735 */ 736 int 737 sunos_sys_auditsys(p, v, retval) 738 struct proc *p; 739 void *v; 740 register_t *retval; 741 { 742 return 0; 743 } 744 745 int 746 sunos_sys_uname(p, v, retval) 747 struct proc *p; 748 void *v; 749 register_t *retval; 750 { 751 struct sunos_sys_uname_args *uap = v; 752 struct sunos_utsname sut; 753 754 memset(&sut, 0, sizeof(sut)); 755 756 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 757 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 758 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 759 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 760 memcpy(sut.version, "1", sizeof(sut.version) - 1); 761 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 762 763 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 764 sizeof(struct sunos_utsname)); 765 } 766 767 int 768 sunos_sys_setpgrp(p, v, retval) 769 struct proc *p; 770 void *v; 771 register_t *retval; 772 { 773 struct sunos_sys_setpgrp_args *uap = v; 774 775 /* 776 * difference to our setpgid call is to include backwards 777 * compatibility to pre-setsid() binaries. Do setsid() 778 * instead of setpgid() in those cases where the process 779 * tries to create a new session the old way. 780 */ 781 if (!SCARG(uap, pgid) && 782 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 783 return sys_setsid(p, uap, retval); 784 else 785 return sys_setpgid(p, uap, retval); 786 } 787 788 int 789 sunos_sys_open(p, v, retval) 790 struct proc *p; 791 void *v; 792 register_t *retval; 793 { 794 struct sunos_sys_open_args *uap = v; 795 int l, r; 796 int noctty; 797 int ret; 798 799 caddr_t sg = stackgap_init(p->p_emul); 800 801 /* convert mode into NetBSD mode */ 802 l = SCARG(uap, flags); 803 noctty = l & 0x8000; 804 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 805 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 806 r |= ((l & 0x0080) ? O_SHLOCK : 0); 807 r |= ((l & 0x0100) ? O_EXLOCK : 0); 808 r |= ((l & 0x2000) ? O_FSYNC : 0); 809 810 if (r & O_CREAT) 811 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 812 else 813 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 814 815 SCARG(uap, flags) = r; 816 ret = sys_open(p, (struct sys_open_args *)uap, retval); 817 818 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 819 struct filedesc *fdp = p->p_fd; 820 struct file *fp = fdp->fd_ofiles[*retval]; 821 822 /* ignore any error, just give it a try */ 823 if (fp->f_type == DTYPE_VNODE) 824 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 825 } 826 return ret; 827 } 828 829 #if defined (NFSSERVER) 830 int 831 sunos_sys_nfssvc(p, v, retval) 832 struct proc *p; 833 void *v; 834 register_t *retval; 835 { 836 #if 0 837 struct sunos_sys_nfssvc_args *uap = v; 838 struct emul *e = p->p_emul; 839 struct sys_nfssvc_args outuap; 840 struct sockaddr sa; 841 int error; 842 caddr_t sg = stackgap_init(p->p_emul); 843 844 memset(&outuap, 0, sizeof outuap); 845 SCARG(&outuap, fd) = SCARG(uap, fd); 846 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 847 SCARG(&outuap, msklen) = sizeof(sa); 848 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 849 SCARG(&outuap, mtchlen) = sizeof(sa); 850 851 memset(&sa, 0, sizeof sa); 852 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 853 return (error); 854 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 855 return (error); 856 857 return nfssvc(p, &outuap, retval); 858 #else 859 return (ENOSYS); 860 #endif 861 } 862 #endif /* NFSSERVER */ 863 864 int 865 sunos_sys_ustat(p, v, retval) 866 struct proc *p; 867 void *v; 868 register_t *retval; 869 { 870 struct sunos_sys_ustat_args *uap = v; 871 struct sunos_ustat us; 872 int error; 873 874 memset(&us, 0, sizeof us); 875 876 /* 877 * XXX: should set f_tfree and f_tinode at least 878 * How do we translate dev -> fstat? (and then to sunos_ustat) 879 */ 880 881 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 882 return (error); 883 return 0; 884 } 885 886 int 887 sunos_sys_quotactl(p, v, retval) 888 struct proc *p; 889 void *v; 890 register_t *retval; 891 { 892 893 return EINVAL; 894 } 895 896 int 897 sunos_sys_vhangup(p, v, retval) 898 struct proc *p; 899 void *v; 900 register_t *retval; 901 { 902 struct session *sp = p->p_session; 903 904 if (sp->s_ttyvp == 0) 905 return 0; 906 907 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 908 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 909 910 (void) ttywait(sp->s_ttyp); 911 if (sp->s_ttyvp) 912 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 913 if (sp->s_ttyvp) 914 vrele(sp->s_ttyvp); 915 sp->s_ttyvp = NULL; 916 917 return 0; 918 } 919 920 static int 921 sunstatfs(sp, buf) 922 struct statfs *sp; 923 caddr_t buf; 924 { 925 struct sunos_statfs ssfs; 926 927 memset(&ssfs, 0, sizeof ssfs); 928 ssfs.f_type = 0; 929 ssfs.f_bsize = sp->f_bsize; 930 ssfs.f_blocks = sp->f_blocks; 931 ssfs.f_bfree = sp->f_bfree; 932 ssfs.f_bavail = sp->f_bavail; 933 ssfs.f_files = sp->f_files; 934 ssfs.f_ffree = sp->f_ffree; 935 ssfs.f_fsid = sp->f_fsid; 936 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 937 } 938 939 int 940 sunos_sys_statfs(p, v, retval) 941 struct proc *p; 942 void *v; 943 register_t *retval; 944 { 945 struct sunos_sys_statfs_args *uap = v; 946 struct mount *mp; 947 struct statfs *sp; 948 int error; 949 struct nameidata nd; 950 951 caddr_t sg = stackgap_init(p->p_emul); 952 SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 953 954 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 955 if ((error = namei(&nd)) != 0) 956 return (error); 957 mp = nd.ni_vp->v_mount; 958 sp = &mp->mnt_stat; 959 vrele(nd.ni_vp); 960 if ((error = VFS_STATFS(mp, sp, p)) != 0) 961 return (error); 962 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 963 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 964 } 965 966 int 967 sunos_sys_fstatfs(p, v, retval) 968 struct proc *p; 969 void *v; 970 register_t *retval; 971 { 972 struct sunos_sys_fstatfs_args *uap = v; 973 struct file *fp; 974 struct mount *mp; 975 struct statfs *sp; 976 int error; 977 978 /* getvnode() will use the descriptor for us */ 979 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 980 return (error); 981 mp = ((struct vnode *)fp->f_data)->v_mount; 982 sp = &mp->mnt_stat; 983 if ((error = VFS_STATFS(mp, sp, p)) != 0) 984 goto out; 985 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 986 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 987 out: 988 FILE_UNUSE(fp, p); 989 return (error); 990 } 991 992 int 993 sunos_sys_exportfs(p, v, retval) 994 struct proc *p; 995 void *v; 996 register_t *retval; 997 { 998 /* 999 * XXX: should perhaps translate into a mount(2) 1000 * with MOUNT_EXPORT? 1001 */ 1002 return 0; 1003 } 1004 1005 int 1006 sunos_sys_mknod(p, v, retval) 1007 struct proc *p; 1008 void *v; 1009 register_t *retval; 1010 { 1011 struct sunos_sys_mknod_args *uap = v; 1012 1013 caddr_t sg = stackgap_init(p->p_emul); 1014 SUNOS_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1015 1016 if (S_ISFIFO(SCARG(uap, mode))) 1017 return sys_mkfifo(p, uap, retval); 1018 1019 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 1020 } 1021 1022 #define SUNOS_SC_ARG_MAX 1 1023 #define SUNOS_SC_CHILD_MAX 2 1024 #define SUNOS_SC_CLK_TCK 3 1025 #define SUNOS_SC_NGROUPS_MAX 4 1026 #define SUNOS_SC_OPEN_MAX 5 1027 #define SUNOS_SC_JOB_CONTROL 6 1028 #define SUNOS_SC_SAVED_IDS 7 1029 #define SUNOS_SC_VERSION 8 1030 1031 int 1032 sunos_sys_sysconf(p, v, retval) 1033 struct proc *p; 1034 void *v; 1035 register_t *retval; 1036 { 1037 struct sunos_sys_sysconf_args *uap = v; 1038 extern int maxfiles; 1039 1040 switch(SCARG(uap, name)) { 1041 case SUNOS_SC_ARG_MAX: 1042 *retval = ARG_MAX; 1043 break; 1044 case SUNOS_SC_CHILD_MAX: 1045 *retval = maxproc; 1046 break; 1047 case SUNOS_SC_CLK_TCK: 1048 *retval = 60; /* should this be `hz', ie. 100? */ 1049 break; 1050 case SUNOS_SC_NGROUPS_MAX: 1051 *retval = NGROUPS_MAX; 1052 break; 1053 case SUNOS_SC_OPEN_MAX: 1054 *retval = maxfiles; 1055 break; 1056 case SUNOS_SC_JOB_CONTROL: 1057 *retval = 1; 1058 break; 1059 case SUNOS_SC_SAVED_IDS: 1060 #ifdef _POSIX_SAVED_IDS 1061 *retval = 1; 1062 #else 1063 *retval = 0; 1064 #endif 1065 break; 1066 case SUNOS_SC_VERSION: 1067 *retval = 198808; 1068 break; 1069 default: 1070 return EINVAL; 1071 } 1072 return 0; 1073 } 1074 1075 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1076 #define SUNOS_RLIM_NLIMITS 7 1077 1078 int 1079 sunos_sys_getrlimit(p, v, retval) 1080 struct proc *p; 1081 void *v; 1082 register_t *retval; 1083 { 1084 struct sunos_sys_getrlimit_args *uap = v; 1085 1086 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1087 return EINVAL; 1088 1089 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1090 SCARG(uap, which) = RLIMIT_NOFILE; 1091 1092 return compat_43_sys_getrlimit(p, uap, retval); 1093 } 1094 1095 int 1096 sunos_sys_setrlimit(p, v, retval) 1097 struct proc *p; 1098 void *v; 1099 register_t *retval; 1100 { 1101 struct sunos_sys_getrlimit_args *uap = v; 1102 1103 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1104 return EINVAL; 1105 1106 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1107 SCARG(uap, which) = RLIMIT_NOFILE; 1108 1109 return compat_43_sys_setrlimit(p, uap, retval); 1110 } 1111 1112 /* for the m68k machines */ 1113 #ifndef PT_GETFPREGS 1114 #define PT_GETFPREGS -1 1115 #endif 1116 #ifndef PT_SETFPREGS 1117 #define PT_SETFPREGS -1 1118 #endif 1119 1120 static int sreq2breq[] = { 1121 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1122 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1123 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1124 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1125 }; 1126 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1127 1128 int 1129 sunos_sys_ptrace(p, v, retval) 1130 struct proc *p; 1131 void *v; 1132 register_t *retval; 1133 { 1134 struct sunos_sys_ptrace_args *uap = v; 1135 struct sys_ptrace_args pa; 1136 int req; 1137 1138 req = SCARG(uap, req); 1139 1140 if (req < 0 || req >= nreqs) 1141 return (EINVAL); 1142 1143 req = sreq2breq[req]; 1144 if (req == -1) 1145 return (EINVAL); 1146 1147 SCARG(&pa, req) = req; 1148 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1149 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1150 SCARG(&pa, data) = SCARG(uap, data); 1151 1152 return sys_ptrace(p, &pa, retval); 1153 } 1154 1155 /* 1156 * SunOS reboot system call (for compatibility). 1157 * Sun lets you pass in a boot string which the PROM 1158 * saves and provides to the next boot program. 1159 */ 1160 1161 #define SUNOS_RB_ASKNAME 0x001 1162 #define SUNOS_RB_SINGLE 0x002 1163 #define SUNOS_RB_NOSYNC 0x004 1164 #define SUNOS_RB_HALT 0x008 1165 #define SUNOS_RB_DUMP 0x080 1166 #define SUNOS_RB_STRING 0x200 1167 1168 static struct sunos_howto_conv { 1169 int sun_howto; 1170 int bsd_howto; 1171 } sunos_howto_conv[] = { 1172 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1173 { SUNOS_RB_SINGLE, RB_SINGLE }, 1174 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1175 { SUNOS_RB_HALT, RB_HALT }, 1176 { SUNOS_RB_DUMP, RB_DUMP }, 1177 { SUNOS_RB_STRING, RB_STRING }, 1178 { 0x000, 0 }, 1179 }; 1180 1181 int 1182 sunos_sys_reboot(p, v, retval) 1183 struct proc *p; 1184 void *v; 1185 register_t *retval; 1186 { 1187 struct sunos_sys_reboot_args *uap = v; 1188 struct sys_reboot_args ua; 1189 struct sunos_howto_conv *convp; 1190 int error, bsd_howto, sun_howto; 1191 char *bootstr; 1192 1193 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1194 return (error); 1195 1196 /* 1197 * Convert howto bits to BSD format. 1198 */ 1199 sun_howto = SCARG(uap, howto); 1200 bsd_howto = 0; 1201 convp = sunos_howto_conv; 1202 while (convp->sun_howto) { 1203 if (sun_howto & convp->sun_howto) 1204 bsd_howto |= convp->bsd_howto; 1205 convp++; 1206 } 1207 1208 /* 1209 * Sun RB_STRING (Get user supplied bootstring.) 1210 * If the machine supports passing a string to the 1211 * next booted kernel. 1212 */ 1213 if (sun_howto & SUNOS_RB_STRING) { 1214 char bs[128]; 1215 1216 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1217 1218 if (error) 1219 bootstr = NULL; 1220 else 1221 bootstr = bs; 1222 } else 1223 bootstr = NULL; 1224 1225 SCARG(&ua, opt) = bsd_howto; 1226 SCARG(&ua, bootstr) = bootstr; 1227 sys_reboot(p, &ua, retval); 1228 return(0); 1229 } 1230 1231 /* 1232 * Generalized interface signal handler, 4.3-compatible. 1233 */ 1234 /* ARGSUSED */ 1235 int 1236 sunos_sys_sigvec(p, v, retval) 1237 struct proc *p; 1238 void *v; 1239 register_t *retval; 1240 { 1241 struct sunos_sys_sigvec_args /* { 1242 syscallarg(int) signum; 1243 syscallarg(struct sigvec *) nsv; 1244 syscallarg(struct sigvec *) osv; 1245 } */ *uap = v; 1246 struct sigvec nsv, osv; 1247 struct sigaction nsa, osa; 1248 int error; 1249 /*XXX*/extern void compat_43_sigvec_to_sigaction 1250 __P((const struct sigvec *, struct sigaction *)); 1251 /*XXX*/extern void compat_43_sigaction_to_sigvec 1252 __P((const struct sigaction *, struct sigvec *)); 1253 1254 if (SCARG(uap, nsv)) { 1255 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1256 if (error != 0) 1257 return (error); 1258 1259 /* 1260 * SunOS uses the mask 0x0004 as SV_RESETHAND 1261 * meaning: `reset to SIG_DFL on delivery'. 1262 * We support only the bits in: 0xF 1263 * (those bits are the same as ours) 1264 */ 1265 if (nsv.sv_flags & ~0xF) 1266 return (EINVAL); 1267 1268 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1269 } 1270 error = sigaction1(p, SCARG(uap, signum), 1271 SCARG(uap, nsv) ? &nsa : 0, 1272 SCARG(uap, osv) ? &osa : 0); 1273 if (error != 0) 1274 return (error); 1275 1276 if (SCARG(uap, osv)) { 1277 compat_43_sigaction_to_sigvec(&osa, &osv); 1278 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1279 if (error != 0) 1280 return (error); 1281 } 1282 1283 return (0); 1284 } 1285