1 /* $NetBSD: sunos_misc.c,v 1.135 2005/12/24 23:41:33 perry 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. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 41 * 42 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 43 */ 44 45 /* 46 * SunOS compatibility module. 47 * 48 * SunOS system calls that are implemented differently in BSD are 49 * handled here. 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.135 2005/12/24 23:41:33 perry Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "fs_nfs.h" 58 #endif 59 60 #include <sys/param.h> 61 #include <sys/systm.h> 62 #include <sys/namei.h> 63 #include <sys/proc.h> 64 #include <sys/dirent.h> 65 #include <sys/file.h> 66 #include <sys/stat.h> 67 #include <sys/filedesc.h> 68 #include <sys/ioctl.h> 69 #include <sys/kernel.h> 70 #include <sys/reboot.h> 71 #include <sys/malloc.h> 72 #include <sys/mbuf.h> 73 #include <sys/mman.h> 74 #include <sys/mount.h> 75 #include <sys/ptrace.h> 76 #include <sys/resource.h> 77 #include <sys/resourcevar.h> 78 #include <sys/signal.h> 79 #include <sys/signalvar.h> 80 #include <sys/socket.h> 81 #include <sys/tty.h> 82 #include <sys/vnode.h> 83 #include <sys/uio.h> 84 #include <sys/wait.h> 85 #include <sys/utsname.h> 86 #include <sys/unistd.h> 87 #include <sys/sa.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/sys/signal.h> 95 96 #include <compat/sunos/sunos.h> 97 #include <compat/sunos/sunos_syscallargs.h> 98 #include <compat/common/compat_util.h> 99 #include <compat/sunos/sunos_dirent.h> 100 101 #include <netinet/in.h> 102 103 #include <miscfs/specfs/specdev.h> 104 105 #include <nfs/rpcv2.h> 106 #include <nfs/nfsproto.h> 107 #include <nfs/nfs.h> 108 #include <nfs/nfsmount.h> 109 110 static int sunstatfs __P((struct statvfs *, caddr_t)); 111 112 int 113 sunos_sys_stime(l, v, retval) 114 struct lwp *l; 115 void *v; 116 register_t *retval; 117 { 118 struct sunos_sys_stime_args *uap = v; 119 struct sys_settimeofday_args ap; 120 struct proc *p = l->l_proc; 121 caddr_t sg = stackgap_init(p, 0); 122 struct timeval tv, *sgtvp; 123 int error; 124 125 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 126 if (error) 127 return error; 128 tv.tv_usec = 0; 129 130 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval)); 131 SCARG(&ap, tzp) = NULL; 132 133 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 134 if (error) 135 return error; 136 137 return sys_settimeofday(l, &ap, retval); 138 } 139 140 int 141 sunos_sys_wait4(l, v, retval) 142 struct lwp *l; 143 void *v; 144 register_t *retval; 145 { 146 struct sunos_sys_wait4_args *uap = v; 147 if (SCARG(uap, pid) == 0) 148 SCARG(uap, pid) = WAIT_ANY; 149 return (sys_wait4(l, uap, retval)); 150 } 151 152 int 153 sunos_sys_creat(l, v, retval) 154 struct lwp *l; 155 void *v; 156 register_t *retval; 157 { 158 struct sunos_sys_creat_args *uap = v; 159 struct proc *p = l->l_proc; 160 struct sys_open_args ouap; 161 162 caddr_t sg = stackgap_init(p, 0); 163 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 164 165 SCARG(&ouap, path) = SCARG(uap, path); 166 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 167 SCARG(&ouap, mode) = SCARG(uap, mode); 168 169 return (sys_open(l, &ouap, retval)); 170 } 171 172 int 173 sunos_sys_access(l, v, retval) 174 struct lwp *l; 175 void *v; 176 register_t *retval; 177 { 178 struct sunos_sys_access_args *uap = v; 179 struct proc *p = l->l_proc; 180 caddr_t sg = stackgap_init(p, 0); 181 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 182 183 return (sys_access(l, uap, retval)); 184 } 185 186 int 187 sunos_sys_stat(l, v, retval) 188 struct lwp *l; 189 void *v; 190 register_t *retval; 191 { 192 struct sunos_sys_stat_args *uap = v; 193 struct proc *p = l->l_proc; 194 caddr_t sg = stackgap_init(p, 0); 195 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 196 197 return (compat_43_sys_stat(l, uap, retval)); 198 } 199 200 int 201 sunos_sys_lstat(l, v, retval) 202 struct lwp *l; 203 void *v; 204 register_t *retval; 205 { 206 struct sunos_sys_lstat_args *uap = v; 207 struct proc *p = l->l_proc; 208 caddr_t sg = stackgap_init(p, 0); 209 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 210 211 return (compat_43_sys_lstat(l, uap, retval)); 212 } 213 214 int 215 sunos_sys_execv(l, v, retval) 216 struct lwp *l; 217 void *v; 218 register_t *retval; 219 { 220 struct sunos_sys_execv_args /* { 221 syscallarg(const char *) path; 222 syscallarg(char **) argv; 223 } */ *uap = v; 224 struct proc *p = l->l_proc; 225 struct sys_execve_args ap; 226 caddr_t sg; 227 228 sg = stackgap_init(p, 0); 229 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 230 231 SCARG(&ap, path) = SCARG(uap, path); 232 SCARG(&ap, argp) = SCARG(uap, argp); 233 SCARG(&ap, envp) = NULL; 234 235 return (sys_execve(l, &ap, retval)); 236 } 237 238 int 239 sunos_sys_execve(l, v, retval) 240 struct lwp *l; 241 void *v; 242 register_t *retval; 243 { 244 struct sunos_sys_execve_args /* { 245 syscallarg(const char *) path; 246 syscallarg(char **) argv; 247 syscallarg(char **) envp; 248 } */ *uap = v; 249 struct sys_execve_args ap; 250 struct proc *p = l->l_proc; 251 caddr_t sg; 252 253 sg = stackgap_init(p, 0); 254 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 255 256 SCARG(&ap, path) = SCARG(uap, path); 257 SCARG(&ap, argp) = SCARG(uap, argp); 258 SCARG(&ap, envp) = SCARG(uap, envp); 259 260 return (sys_execve(l, &ap, retval)); 261 } 262 263 int 264 sunos_sys_omsync(l, v, retval) 265 struct lwp *l; 266 void *v; 267 register_t *retval; 268 { 269 struct sunos_sys_omsync_args *uap = v; 270 struct sys___msync13_args ouap; 271 272 SCARG(&ouap, addr) = SCARG(uap, addr); 273 SCARG(&ouap, len) = SCARG(uap, len); 274 SCARG(&ouap, flags) = SCARG(uap, flags); 275 276 return (sys___msync13(l, &ouap, retval)); 277 } 278 279 int 280 sunos_sys_unmount(l, v, retval) 281 struct lwp *l; 282 void *v; 283 register_t *retval; 284 { 285 struct sunos_sys_unmount_args *uap = v; 286 struct sys_unmount_args ouap; 287 288 SCARG(&ouap, path) = SCARG(uap, path); 289 SCARG(&ouap, flags) = 0; 290 291 return (sys_unmount(l, &ouap, retval)); 292 } 293 294 /* 295 * Conversion table for SunOS NFS mount flags. 296 */ 297 static struct { 298 int sun_flg; 299 int bsd_flg; 300 } sunnfs_flgtab[] = { 301 { SUNNFS_SOFT, NFSMNT_SOFT }, 302 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 303 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 304 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 305 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 306 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 307 { SUNNFS_INT, NFSMNT_INT }, 308 { SUNNFS_NOAC, 0 }, /* Ignored */ 309 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 310 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 311 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 312 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 313 { SUNNFS_SECURE, 0 }, /* Ignored */ 314 { SUNNFS_NOCTO, 0 }, /* Ignored */ 315 { SUNNFS_POSIX, 0 } /* Ignored */ 316 }; 317 318 int 319 sunos_sys_mount(l, v, retval) 320 struct lwp *l; 321 void *v; 322 register_t *retval; 323 { 324 struct sunos_sys_mount_args *uap = v; 325 struct proc *p = l->l_proc; 326 int oflags = SCARG(uap, flags), nflags, error; 327 char fsname[MFSNAMELEN]; 328 caddr_t sg = stackgap_init(p, 0); 329 330 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 331 return (EINVAL); 332 if ((oflags & SUNM_NEWTYPE) == 0) 333 return (EINVAL); 334 nflags = 0; 335 if (oflags & SUNM_RDONLY) 336 nflags |= MNT_RDONLY; 337 if (oflags & SUNM_NOSUID) 338 nflags |= MNT_NOSUID; 339 if (oflags & SUNM_REMOUNT) 340 nflags |= MNT_UPDATE; 341 SCARG(uap, flags) = nflags; 342 343 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 344 sizeof fsname, (size_t *)0); 345 if (error) 346 return (error); 347 348 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 349 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 350 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 351 if (error) 352 return (error); 353 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 354 struct sunos_nfs_args sna; 355 struct sockaddr_in sain; 356 struct nfs_args na; 357 struct sockaddr sa; 358 int n; 359 360 error = copyin(SCARG(uap, data), &sna, sizeof sna); 361 if (error) 362 return (error); 363 error = copyin(sna.addr, &sain, sizeof sain); 364 if (error) 365 return (error); 366 memcpy(&sa, &sain, sizeof sa); 367 sa.sa_len = sizeof(sain); 368 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 369 na.version = NFS_ARGSVERSION; 370 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 371 na.addrlen = sizeof(struct sockaddr); 372 na.sotype = SOCK_DGRAM; 373 na.proto = IPPROTO_UDP; 374 na.fh = (void *)sna.fh; 375 na.fhsize = NFSX_V2FH; 376 na.flags = 0; 377 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 378 while (--n >= 0) 379 if (sna.flags & sunnfs_flgtab[n].sun_flg) 380 na.flags |= sunnfs_flgtab[n].bsd_flg; 381 na.wsize = sna.wsize; 382 na.rsize = sna.rsize; 383 if (na.flags & NFSMNT_RSIZE) { 384 na.flags |= NFSMNT_READDIRSIZE; 385 na.readdirsize = na.rsize; 386 } 387 na.timeo = sna.timeo; 388 na.retrans = sna.retrans; 389 na.hostname = (char *)(u_long)sna.hostname; 390 391 error = copyout(&sa, na.addr, sizeof sa); 392 if (error) 393 return (error); 394 error = copyout(&na, SCARG(uap, data), sizeof na); 395 if (error) 396 return (error); 397 } 398 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 399 } 400 401 #if defined(NFS) 402 int 403 async_daemon(l, v, retval) 404 struct lwp *l; 405 void *v; 406 register_t *retval; 407 { 408 struct sys_nfssvc_args ouap; 409 410 SCARG(&ouap, flag) = NFSSVC_BIOD; 411 SCARG(&ouap, argp) = NULL; 412 413 return (sys_nfssvc(l, &ouap, retval)); 414 } 415 #endif /* NFS */ 416 417 void native_to_sunos_sigset __P((const sigset_t *, int *)); 418 void sunos_to_native_sigset __P((const int, sigset_t *)); 419 420 inline void 421 native_to_sunos_sigset(ss, mask) 422 const sigset_t *ss; 423 int *mask; 424 { 425 *mask = ss->__bits[0]; 426 } 427 428 inline void 429 sunos_to_native_sigset(mask, ss) 430 const int mask; 431 sigset_t *ss; 432 { 433 434 ss->__bits[0] = mask; 435 ss->__bits[1] = 0; 436 ss->__bits[2] = 0; 437 ss->__bits[3] = 0; 438 } 439 440 int 441 sunos_sys_sigpending(l, v, retval) 442 struct lwp *l; 443 void *v; 444 register_t *retval; 445 { 446 struct sunos_sys_sigpending_args *uap = v; 447 sigset_t ss; 448 int mask; 449 450 sigpending1(l->l_proc, &ss); 451 native_to_sunos_sigset(&ss, &mask); 452 453 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 454 } 455 456 int 457 sunos_sys_sigsuspend(l, v, retval) 458 struct lwp *l; 459 void *v; 460 register_t *retval; 461 { 462 struct sunos_sys_sigsuspend_args /* { 463 syscallarg(int) mask; 464 } */ *uap = v; 465 int mask; 466 sigset_t ss; 467 468 mask = SCARG(uap, mask); 469 sunos_to_native_sigset(mask, &ss); 470 return (sigsuspend1(l->l_proc, &ss)); 471 } 472 473 /* 474 * Read Sun-style directory entries. We suck them into kernel space so 475 * that they can be massaged before being copied out to user code. Like 476 * SunOS, we squish out `empty' entries. 477 * 478 * This is quite ugly, but what do you expect from compatibility code? 479 */ 480 int 481 sunos_sys_getdents(l, v, retval) 482 struct lwp *l; 483 void *v; 484 register_t *retval; 485 { 486 struct sunos_sys_getdents_args *uap = v; 487 struct proc *p = l->l_proc; 488 struct dirent *bdp; 489 struct vnode *vp; 490 caddr_t inp, buf; /* BSD-format */ 491 int len, reclen; /* BSD-format */ 492 caddr_t outp; /* Sun-format */ 493 int resid, sunos_reclen;/* Sun-format */ 494 struct file *fp; 495 struct uio auio; 496 struct iovec aiov; 497 struct sunos_dirent idb; 498 off_t off; /* true file offset */ 499 int buflen, error, eofflag; 500 off_t *cookiebuf, *cookie; 501 int ncookies; 502 503 /* getvnode() will use the descriptor for us */ 504 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 505 return (error); 506 507 if ((fp->f_flag & FREAD) == 0) { 508 error = EBADF; 509 goto out1; 510 } 511 512 vp = (struct vnode *)fp->f_data; 513 if (vp->v_type != VDIR) { 514 error = EINVAL; 515 goto out1; 516 } 517 518 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 519 buf = malloc(buflen, M_TEMP, M_WAITOK); 520 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 521 off = fp->f_offset; 522 again: 523 aiov.iov_base = buf; 524 aiov.iov_len = buflen; 525 auio.uio_iov = &aiov; 526 auio.uio_iovcnt = 1; 527 auio.uio_rw = UIO_READ; 528 auio.uio_segflg = UIO_SYSSPACE; 529 auio.uio_lwp = NULL; 530 auio.uio_resid = buflen; 531 auio.uio_offset = off; 532 /* 533 * First we read into the malloc'ed buffer, then 534 * we massage it into user space, one record at a time. 535 */ 536 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 537 &ncookies); 538 if (error) 539 goto out; 540 541 inp = buf; 542 outp = SCARG(uap, buf); 543 resid = SCARG(uap, nbytes); 544 if ((len = buflen - auio.uio_resid) == 0) 545 goto eof; 546 547 for (cookie = cookiebuf; len > 0; len -= reclen) { 548 bdp = (struct dirent *)inp; 549 reclen = bdp->d_reclen; 550 if (reclen & 3) 551 panic("sunos_getdents"); 552 if ((*cookie >> 32) != 0) { 553 compat_offseterr(vp, "sunos_getdents"); 554 error = EINVAL; 555 goto out; 556 } 557 if (bdp->d_fileno == 0) { 558 inp += reclen; /* it is a hole; squish it out */ 559 if (cookie) 560 off = *cookie++; 561 else 562 off += reclen; 563 continue; 564 } 565 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 566 if (reclen > len || resid < sunos_reclen) { 567 /* entry too big for buffer, so just stop */ 568 outp++; 569 break; 570 } 571 if (cookie) 572 off = *cookie++; /* each entry points to next */ 573 else 574 off += reclen; 575 /* 576 * Massage in place to make a Sun-shaped dirent (otherwise 577 * we have to worry about touching user memory outside of 578 * the copyout() call). 579 */ 580 idb.d_fileno = bdp->d_fileno; 581 idb.d_off = off; 582 idb.d_reclen = sunos_reclen; 583 idb.d_namlen = bdp->d_namlen; 584 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 585 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 586 goto out; 587 /* advance past this real entry */ 588 inp += reclen; 589 /* advance output past Sun-shaped entry */ 590 outp += sunos_reclen; 591 resid -= sunos_reclen; 592 } 593 594 /* if we squished out the whole block, try again */ 595 if (outp == SCARG(uap, buf)) 596 goto again; 597 fp->f_offset = off; /* update the vnode offset */ 598 599 eof: 600 *retval = SCARG(uap, nbytes) - resid; 601 out: 602 VOP_UNLOCK(vp, 0); 603 free(cookiebuf, M_TEMP); 604 free(buf, M_TEMP); 605 out1: 606 FILE_UNUSE(fp, l); 607 return (error); 608 } 609 610 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 611 612 int 613 sunos_sys_mmap(l, v, retval) 614 struct lwp *l; 615 void *v; 616 register_t *retval; 617 { 618 struct sunos_sys_mmap_args *uap = v; 619 struct sys_mmap_args ouap; 620 621 /* 622 * Verify the arguments. 623 */ 624 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 625 return (EINVAL); /* XXX still needed? */ 626 627 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 628 return (EINVAL); 629 630 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 631 SCARG(&ouap, addr) = SCARG(uap, addr); 632 SCARG(&ouap, len) = SCARG(uap, len); 633 SCARG(&ouap, prot) = SCARG(uap, prot); 634 SCARG(&ouap, fd) = SCARG(uap, fd); 635 SCARG(&ouap, pos) = SCARG(uap, pos); 636 637 return (sys_mmap(l, &ouap, retval)); 638 } 639 640 #define MC_SYNC 1 641 #define MC_LOCK 2 642 #define MC_UNLOCK 3 643 #define MC_ADVISE 4 644 #define MC_LOCKAS 5 645 #define MC_UNLOCKAS 6 646 647 int 648 sunos_sys_mctl(l, v, retval) 649 struct lwp *l; 650 void *v; 651 register_t *retval; 652 { 653 struct sunos_sys_mctl_args *uap = v; 654 655 switch (SCARG(uap, func)) { 656 case MC_ADVISE: /* ignore for now */ 657 return (0); 658 case MC_SYNC: /* translate to msync */ 659 return (sys___msync13(l, uap, retval)); 660 default: 661 return (EINVAL); 662 } 663 } 664 665 int 666 sunos_sys_setsockopt(l, v, retval) 667 struct lwp *l; 668 void *v; 669 register_t *retval; 670 { 671 struct sunos_sys_setsockopt_args *uap = v; 672 struct proc *p = l->l_proc; 673 struct file *fp; 674 struct mbuf *m = NULL; 675 int error; 676 677 /* getsock() will use the descriptor for us */ 678 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 679 return (error); 680 #define SO_DONTLINGER (~SO_LINGER) 681 if (SCARG(uap, name) == SO_DONTLINGER) { 682 m = m_get(M_WAIT, MT_SOOPTS); 683 mtod(m, struct linger *)->l_onoff = 0; 684 m->m_len = sizeof(struct linger); 685 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 686 SO_LINGER, m); 687 goto out; 688 } 689 if (SCARG(uap, level) == IPPROTO_IP) { 690 #define SUNOS_IP_MULTICAST_IF 2 691 #define SUNOS_IP_MULTICAST_TTL 3 692 #define SUNOS_IP_MULTICAST_LOOP 4 693 #define SUNOS_IP_ADD_MEMBERSHIP 5 694 #define SUNOS_IP_DROP_MEMBERSHIP 6 695 static const int ipoptxlat[] = { 696 IP_MULTICAST_IF, 697 IP_MULTICAST_TTL, 698 IP_MULTICAST_LOOP, 699 IP_ADD_MEMBERSHIP, 700 IP_DROP_MEMBERSHIP 701 }; 702 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 703 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 704 SCARG(uap, name) = 705 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 706 } 707 } 708 if (SCARG(uap, valsize) > MLEN) { 709 error = EINVAL; 710 goto out; 711 } 712 if (SCARG(uap, val)) { 713 m = m_get(M_WAIT, MT_SOOPTS); 714 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 715 (u_int)SCARG(uap, valsize)); 716 if (error) { 717 (void) m_free(m); 718 goto out; 719 } 720 m->m_len = SCARG(uap, valsize); 721 } 722 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 723 SCARG(uap, name), m); 724 out: 725 FILE_UNUSE(fp, l); 726 return (error); 727 } 728 729 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 730 int type); 731 static inline int 732 sunos_sys_socket_common(l, retval, type) 733 struct lwp *l; 734 register_t *retval; 735 int type; 736 { 737 struct socket *so; 738 struct file *fp; 739 int error, fd; 740 741 /* getsock() will use the descriptor for us */ 742 fd = (int)*retval; 743 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 744 so = (struct socket *)fp->f_data; 745 if (type == SOCK_DGRAM) 746 so->so_options |= SO_BROADCAST; 747 } 748 FILE_UNUSE(fp, l); 749 return (error); 750 } 751 752 int 753 sunos_sys_socket(l, v, retval) 754 struct lwp *l; 755 void *v; 756 register_t *retval; 757 { 758 struct sunos_sys_socket_args /* { 759 syscallarg(int) domain; 760 syscallarg(int) type; 761 syscallarg(int) protocol; 762 } */ *uap = v; 763 int error; 764 765 error = sys_socket(l, v, retval); 766 if (error) 767 return (error); 768 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 769 } 770 771 int 772 sunos_sys_socketpair(l, v, retval) 773 struct lwp *l; 774 void *v; 775 register_t *retval; 776 { 777 struct sunos_sys_socketpair_args /* { 778 syscallarg(int) domain; 779 syscallarg(int) type; 780 syscallarg(int) protocol; 781 syscallarg(int *) rsv; 782 } */ *uap = v; 783 int error; 784 785 error = sys_socketpair(l, v, retval); 786 if (error) 787 return (error); 788 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 789 } 790 791 /* 792 * XXX: This needs cleaning up. 793 */ 794 int 795 sunos_sys_auditsys(l, v, retval) 796 struct lwp *l; 797 void *v; 798 register_t *retval; 799 { 800 return 0; 801 } 802 803 int 804 sunos_sys_uname(l, v, retval) 805 struct lwp *l; 806 void *v; 807 register_t *retval; 808 { 809 struct sunos_sys_uname_args *uap = v; 810 struct sunos_utsname sut; 811 812 memset(&sut, 0, sizeof(sut)); 813 814 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 815 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 816 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 817 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 818 memcpy(sut.version, "1", sizeof(sut.version) - 1); 819 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 820 821 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 822 sizeof(struct sunos_utsname)); 823 } 824 825 int 826 sunos_sys_setpgrp(l, v, retval) 827 struct lwp *l; 828 void *v; 829 register_t *retval; 830 { 831 struct sunos_sys_setpgrp_args *uap = v; 832 struct proc *p = l->l_proc; 833 834 /* 835 * difference to our setpgid call is to include backwards 836 * compatibility to pre-setsid() binaries. Do setsid() 837 * instead of setpgid() in those cases where the process 838 * tries to create a new session the old way. 839 */ 840 if (!SCARG(uap, pgid) && 841 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 842 return sys_setsid(l, uap, retval); 843 else 844 return sys_setpgid(l, uap, retval); 845 } 846 847 int 848 sunos_sys_open(l, v, retval) 849 struct lwp *l; 850 void *v; 851 register_t *retval; 852 { 853 struct sunos_sys_open_args *uap = v; 854 struct proc *p = l->l_proc; 855 int smode, nmode; 856 int noctty; 857 int ret; 858 859 caddr_t sg = stackgap_init(p, 0); 860 861 /* convert mode into NetBSD mode */ 862 smode = SCARG(uap, flags); 863 noctty = smode & 0x8000; 864 nmode = smode & 865 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 866 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 867 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 868 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 869 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 870 871 if (nmode & O_CREAT) 872 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 873 else 874 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 875 876 SCARG(uap, flags) = nmode; 877 ret = sys_open(l, (struct sys_open_args *)uap, retval); 878 879 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 880 struct filedesc *fdp = p->p_fd; 881 struct file *fp; 882 883 fp = fd_getfile(fdp, *retval); 884 simple_unlock(&fp->f_slock); 885 886 /* ignore any error, just give it a try */ 887 if (fp != NULL && fp->f_type == DTYPE_VNODE) 888 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, l); 889 } 890 return ret; 891 } 892 893 #if defined (NFSSERVER) 894 int 895 sunos_sys_nfssvc(l, v, retval) 896 struct lwp *l; 897 void *v; 898 register_t *retval; 899 { 900 #if 0 901 struct sunos_sys_nfssvc_args *uap = v; 902 struct proc *p = l->l_proc; 903 struct emul *e = p->p_emul; 904 struct sys_nfssvc_args outuap; 905 struct sockaddr sa; 906 int error; 907 caddr_t sg = stackgap_init(p, 0); 908 909 memset(&outuap, 0, sizeof outuap); 910 SCARG(&outuap, fd) = SCARG(uap, fd); 911 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 912 SCARG(&outuap, msklen) = sizeof(sa); 913 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 914 SCARG(&outuap, mtchlen) = sizeof(sa); 915 916 memset(&sa, 0, sizeof sa); 917 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 918 return (error); 919 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 920 return (error); 921 922 return nfssvc(l, &outuap, retval); 923 #else 924 return (ENOSYS); 925 #endif 926 } 927 #endif /* NFSSERVER */ 928 929 int 930 sunos_sys_ustat(l, v, retval) 931 struct lwp *l; 932 void *v; 933 register_t *retval; 934 { 935 struct sunos_sys_ustat_args *uap = v; 936 struct sunos_ustat us; 937 int error; 938 939 memset(&us, 0, sizeof us); 940 941 /* 942 * XXX: should set f_tfree and f_tinode at least 943 * How do we translate dev -> fstat? (and then to sunos_ustat) 944 */ 945 946 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 947 return (error); 948 return 0; 949 } 950 951 int 952 sunos_sys_quotactl(l, v, retval) 953 struct lwp *l; 954 void *v; 955 register_t *retval; 956 { 957 958 return EINVAL; 959 } 960 961 int 962 sunos_sys_vhangup(l, v, retval) 963 struct lwp *l; 964 void *v; 965 register_t *retval; 966 { 967 struct proc *p = l->l_proc; 968 struct session *sp = p->p_session; 969 970 if (sp->s_ttyvp == 0) 971 return 0; 972 973 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 974 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 975 976 (void) ttywait(sp->s_ttyp); 977 if (sp->s_ttyvp) 978 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 979 if (sp->s_ttyvp) 980 vrele(sp->s_ttyvp); 981 sp->s_ttyvp = NULL; 982 983 return 0; 984 } 985 986 static int 987 sunstatfs(sp, buf) 988 struct statvfs *sp; 989 caddr_t buf; 990 { 991 struct sunos_statfs ssfs; 992 993 memset(&ssfs, 0, sizeof ssfs); 994 ssfs.f_type = 0; 995 ssfs.f_bsize = sp->f_bsize; 996 ssfs.f_blocks = sp->f_blocks; 997 ssfs.f_bfree = sp->f_bfree; 998 ssfs.f_bavail = sp->f_bavail; 999 ssfs.f_files = sp->f_files; 1000 ssfs.f_ffree = sp->f_ffree; 1001 ssfs.f_fsid = sp->f_fsidx; 1002 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 1003 } 1004 1005 int 1006 sunos_sys_statfs(l, v, retval) 1007 struct lwp *l; 1008 void *v; 1009 register_t *retval; 1010 { 1011 struct sunos_sys_statfs_args *uap = v; 1012 struct proc *p = l->l_proc; 1013 struct mount *mp; 1014 struct statvfs *sp; 1015 int error; 1016 struct nameidata nd; 1017 1018 caddr_t sg = stackgap_init(p, 0); 1019 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 1020 1021 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), l); 1022 if ((error = namei(&nd)) != 0) 1023 return (error); 1024 mp = nd.ni_vp->v_mount; 1025 sp = &mp->mnt_stat; 1026 vrele(nd.ni_vp); 1027 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1028 return (error); 1029 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1030 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1031 } 1032 1033 int 1034 sunos_sys_fstatfs(l, v, retval) 1035 struct lwp *l; 1036 void *v; 1037 register_t *retval; 1038 { 1039 struct sunos_sys_fstatfs_args *uap = v; 1040 struct proc *p = l->l_proc; 1041 struct file *fp; 1042 struct mount *mp; 1043 struct statvfs *sp; 1044 int error; 1045 1046 /* getvnode() will use the descriptor for us */ 1047 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1048 return (error); 1049 mp = ((struct vnode *)fp->f_data)->v_mount; 1050 sp = &mp->mnt_stat; 1051 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1052 goto out; 1053 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1054 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1055 out: 1056 FILE_UNUSE(fp, l); 1057 return (error); 1058 } 1059 1060 int 1061 sunos_sys_exportfs(l, v, retval) 1062 struct lwp *l; 1063 void *v; 1064 register_t *retval; 1065 { 1066 /* 1067 * XXX: should perhaps translate into a mount(2) 1068 * with MOUNT_EXPORT? 1069 */ 1070 return 0; 1071 } 1072 1073 int 1074 sunos_sys_mknod(l, v, retval) 1075 struct lwp *l; 1076 void *v; 1077 register_t *retval; 1078 { 1079 struct sunos_sys_mknod_args *uap = v; 1080 struct proc *p = l->l_proc; 1081 1082 caddr_t sg = stackgap_init(p, 0); 1083 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 1084 1085 if (S_ISFIFO(SCARG(uap, mode))) 1086 return sys_mkfifo(l, uap, retval); 1087 1088 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1089 } 1090 1091 #define SUNOS_SC_ARG_MAX 1 1092 #define SUNOS_SC_CHILD_MAX 2 1093 #define SUNOS_SC_CLK_TCK 3 1094 #define SUNOS_SC_NGROUPS_MAX 4 1095 #define SUNOS_SC_OPEN_MAX 5 1096 #define SUNOS_SC_JOB_CONTROL 6 1097 #define SUNOS_SC_SAVED_IDS 7 1098 #define SUNOS_SC_VERSION 8 1099 1100 int 1101 sunos_sys_sysconf(l, v, retval) 1102 struct lwp *l; 1103 void *v; 1104 register_t *retval; 1105 { 1106 struct sunos_sys_sysconf_args *uap = v; 1107 extern int maxfiles; 1108 1109 switch(SCARG(uap, name)) { 1110 case SUNOS_SC_ARG_MAX: 1111 *retval = ARG_MAX; 1112 break; 1113 case SUNOS_SC_CHILD_MAX: 1114 *retval = maxproc; 1115 break; 1116 case SUNOS_SC_CLK_TCK: 1117 *retval = 60; /* should this be `hz', ie. 100? */ 1118 break; 1119 case SUNOS_SC_NGROUPS_MAX: 1120 *retval = NGROUPS_MAX; 1121 break; 1122 case SUNOS_SC_OPEN_MAX: 1123 *retval = maxfiles; 1124 break; 1125 case SUNOS_SC_JOB_CONTROL: 1126 *retval = 1; 1127 break; 1128 case SUNOS_SC_SAVED_IDS: 1129 #ifdef _POSIX_SAVED_IDS 1130 *retval = 1; 1131 #else 1132 *retval = 0; 1133 #endif 1134 break; 1135 case SUNOS_SC_VERSION: 1136 *retval = 198808; 1137 break; 1138 default: 1139 return EINVAL; 1140 } 1141 return 0; 1142 } 1143 1144 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1145 #define SUNOS_RLIM_NLIMITS 7 1146 1147 int 1148 sunos_sys_getrlimit(l, v, retval) 1149 struct lwp *l; 1150 void *v; 1151 register_t *retval; 1152 { 1153 struct sunos_sys_getrlimit_args *uap = v; 1154 1155 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1156 return EINVAL; 1157 1158 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1159 SCARG(uap, which) = RLIMIT_NOFILE; 1160 1161 return compat_43_sys_getrlimit(l, uap, retval); 1162 } 1163 1164 int 1165 sunos_sys_setrlimit(l, v, retval) 1166 struct lwp *l; 1167 void *v; 1168 register_t *retval; 1169 { 1170 struct sunos_sys_getrlimit_args *uap = v; 1171 1172 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1173 return EINVAL; 1174 1175 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1176 SCARG(uap, which) = RLIMIT_NOFILE; 1177 1178 return compat_43_sys_setrlimit(l, uap, retval); 1179 } 1180 1181 /* for the m68k machines */ 1182 #ifndef PT_GETFPREGS 1183 #define PT_GETFPREGS -1 1184 #endif 1185 #ifndef PT_SETFPREGS 1186 #define PT_SETFPREGS -1 1187 #endif 1188 1189 static const int sreq2breq[] = { 1190 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1191 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1192 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1193 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1194 }; 1195 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1196 1197 int 1198 sunos_sys_ptrace(l, v, retval) 1199 struct lwp *l; 1200 void *v; 1201 register_t *retval; 1202 { 1203 struct sunos_sys_ptrace_args *uap = v; 1204 struct sys_ptrace_args pa; 1205 int req; 1206 1207 req = SCARG(uap, req); 1208 1209 if (req < 0 || req >= nreqs) 1210 return (EINVAL); 1211 1212 req = sreq2breq[req]; 1213 if (req == -1) 1214 return (EINVAL); 1215 1216 SCARG(&pa, req) = req; 1217 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1218 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1219 SCARG(&pa, data) = SCARG(uap, data); 1220 1221 return sys_ptrace(l, &pa, retval); 1222 } 1223 1224 /* 1225 * SunOS reboot system call (for compatibility). 1226 * Sun lets you pass in a boot string which the PROM 1227 * saves and provides to the next boot program. 1228 */ 1229 1230 #define SUNOS_RB_ASKNAME 0x001 1231 #define SUNOS_RB_SINGLE 0x002 1232 #define SUNOS_RB_NOSYNC 0x004 1233 #define SUNOS_RB_HALT 0x008 1234 #define SUNOS_RB_DUMP 0x080 1235 #define SUNOS_RB_STRING 0x200 1236 1237 static struct sunos_howto_conv { 1238 int sun_howto; 1239 int bsd_howto; 1240 } sunos_howto_conv[] = { 1241 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1242 { SUNOS_RB_SINGLE, RB_SINGLE }, 1243 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1244 { SUNOS_RB_HALT, RB_HALT }, 1245 { SUNOS_RB_DUMP, RB_DUMP }, 1246 { SUNOS_RB_STRING, RB_STRING }, 1247 { 0x000, 0 }, 1248 }; 1249 1250 int 1251 sunos_sys_reboot(l, v, retval) 1252 struct lwp *l; 1253 void *v; 1254 register_t *retval; 1255 { 1256 struct sunos_sys_reboot_args *uap = v; 1257 struct proc *p = l->l_proc; 1258 struct sys_reboot_args ua; 1259 struct sunos_howto_conv *convp; 1260 int error, bsd_howto, sun_howto; 1261 char *bootstr; 1262 1263 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1264 return (error); 1265 1266 /* 1267 * Convert howto bits to BSD format. 1268 */ 1269 sun_howto = SCARG(uap, howto); 1270 bsd_howto = 0; 1271 convp = sunos_howto_conv; 1272 while (convp->sun_howto) { 1273 if (sun_howto & convp->sun_howto) 1274 bsd_howto |= convp->bsd_howto; 1275 convp++; 1276 } 1277 1278 /* 1279 * Sun RB_STRING (Get user supplied bootstring.) 1280 * If the machine supports passing a string to the 1281 * next booted kernel. 1282 */ 1283 if (sun_howto & SUNOS_RB_STRING) { 1284 char bs[128]; 1285 1286 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1287 1288 if (error) 1289 bootstr = NULL; 1290 else 1291 bootstr = bs; 1292 } else 1293 bootstr = NULL; 1294 1295 SCARG(&ua, opt) = bsd_howto; 1296 SCARG(&ua, bootstr) = bootstr; 1297 sys_reboot(l, &ua, retval); 1298 return(0); 1299 } 1300 1301 /* 1302 * Generalized interface signal handler, 4.3-compatible. 1303 */ 1304 /* ARGSUSED */ 1305 int 1306 sunos_sys_sigvec(l, v, retval) 1307 struct lwp *l; 1308 void *v; 1309 register_t *retval; 1310 { 1311 struct sunos_sys_sigvec_args /* { 1312 syscallarg(int) signum; 1313 syscallarg(struct sigvec *) nsv; 1314 syscallarg(struct sigvec *) osv; 1315 } */ *uap = v; 1316 struct sigvec nsv, osv; 1317 struct sigaction nsa, osa; 1318 int error; 1319 /*XXX*/extern void compat_43_sigvec_to_sigaction 1320 __P((const struct sigvec *, struct sigaction *)); 1321 /*XXX*/extern void compat_43_sigaction_to_sigvec 1322 __P((const struct sigaction *, struct sigvec *)); 1323 1324 if (SCARG(uap, nsv)) { 1325 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1326 if (error != 0) 1327 return (error); 1328 1329 /* 1330 * SunOS uses the mask 0x0004 as SV_RESETHAND 1331 * meaning: `reset to SIG_DFL on delivery'. 1332 * We support only the bits in: 0xF 1333 * (those bits are the same as ours) 1334 */ 1335 if (nsv.sv_flags & ~0xF) 1336 return (EINVAL); 1337 1338 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1339 } 1340 error = sigaction1(l->l_proc, SCARG(uap, signum), 1341 SCARG(uap, nsv) ? &nsa : 0, 1342 SCARG(uap, osv) ? &osa : 0, 1343 NULL, 0); 1344 if (error != 0) 1345 return (error); 1346 1347 if (SCARG(uap, osv)) { 1348 compat_43_sigaction_to_sigvec(&osa, &osv); 1349 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1350 if (error != 0) 1351 return (error); 1352 } 1353 1354 return (0); 1355 } 1356