sunos_misc.c revision 1.144
1 /* $NetBSD: sunos_misc.c,v 1.144 2007/02/09 21:55:24 ad 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 1.144 2007/02/09 21:55:24 ad Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "opt_ptrace.h" 58 #include "fs_nfs.h" 59 #endif 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/syscall.h> 89 #include <sys/syscallargs.h> 90 #include <sys/conf.h> 91 #include <sys/socketvar.h> 92 #include <sys/exec.h> 93 #include <sys/swap.h> 94 #include <sys/kauth.h> 95 96 #include <compat/sys/signal.h> 97 98 #include <compat/sunos/sunos.h> 99 #include <compat/sunos/sunos_syscallargs.h> 100 #include <compat/common/compat_util.h> 101 #include <compat/sunos/sunos_dirent.h> 102 103 #include <netinet/in.h> 104 105 #include <miscfs/specfs/specdev.h> 106 107 #include <nfs/rpcv2.h> 108 #include <nfs/nfsproto.h> 109 #include <nfs/nfs.h> 110 #include <nfs/nfsmount.h> 111 112 static int sunstatfs __P((struct statvfs *, caddr_t)); 113 114 int 115 sunos_sys_stime(l, v, retval) 116 struct lwp *l; 117 void *v; 118 register_t *retval; 119 { 120 struct sunos_sys_stime_args *uap = v; 121 struct sys_settimeofday_args ap; 122 struct proc *p = l->l_proc; 123 caddr_t sg = stackgap_init(p, 0); 124 struct timeval tv, *sgtvp; 125 int error; 126 127 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 128 if (error) 129 return error; 130 tv.tv_usec = 0; 131 132 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval)); 133 SCARG(&ap, tzp) = NULL; 134 135 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 136 if (error) 137 return error; 138 139 return sys_settimeofday(l, &ap, retval); 140 } 141 142 int 143 sunos_sys_wait4(l, v, retval) 144 struct lwp *l; 145 void *v; 146 register_t *retval; 147 { 148 struct sunos_sys_wait4_args *uap = v; 149 if (SCARG(uap, pid) == 0) 150 SCARG(uap, pid) = WAIT_ANY; 151 return (sys_wait4(l, uap, retval)); 152 } 153 154 int 155 sunos_sys_creat(l, v, retval) 156 struct lwp *l; 157 void *v; 158 register_t *retval; 159 { 160 struct sunos_sys_creat_args *uap = v; 161 struct proc *p = l->l_proc; 162 struct sys_open_args ouap; 163 164 caddr_t sg = stackgap_init(p, 0); 165 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 166 167 SCARG(&ouap, path) = SCARG(uap, path); 168 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 169 SCARG(&ouap, mode) = SCARG(uap, mode); 170 171 return (sys_open(l, &ouap, retval)); 172 } 173 174 int 175 sunos_sys_access(l, v, retval) 176 struct lwp *l; 177 void *v; 178 register_t *retval; 179 { 180 struct sunos_sys_access_args *uap = v; 181 struct proc *p = l->l_proc; 182 caddr_t sg = stackgap_init(p, 0); 183 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 184 185 return (sys_access(l, uap, retval)); 186 } 187 188 int 189 sunos_sys_stat(l, v, retval) 190 struct lwp *l; 191 void *v; 192 register_t *retval; 193 { 194 struct sunos_sys_stat_args *uap = v; 195 struct proc *p = l->l_proc; 196 caddr_t sg = stackgap_init(p, 0); 197 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 198 199 return (compat_43_sys_stat(l, uap, retval)); 200 } 201 202 int 203 sunos_sys_lstat(l, v, retval) 204 struct lwp *l; 205 void *v; 206 register_t *retval; 207 { 208 struct sunos_sys_lstat_args *uap = v; 209 struct proc *p = l->l_proc; 210 caddr_t sg = stackgap_init(p, 0); 211 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 212 213 return (compat_43_sys_lstat(l, uap, retval)); 214 } 215 216 int 217 sunos_sys_execv(l, v, retval) 218 struct lwp *l; 219 void *v; 220 register_t *retval; 221 { 222 struct sunos_sys_execv_args /* { 223 syscallarg(const char *) path; 224 syscallarg(char **) argv; 225 } */ *uap = v; 226 struct proc *p = l->l_proc; 227 struct sys_execve_args ap; 228 caddr_t sg; 229 230 sg = stackgap_init(p, 0); 231 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 232 233 SCARG(&ap, path) = SCARG(uap, path); 234 SCARG(&ap, argp) = SCARG(uap, argp); 235 SCARG(&ap, envp) = NULL; 236 237 return (sys_execve(l, &ap, retval)); 238 } 239 240 int 241 sunos_sys_execve(l, v, retval) 242 struct lwp *l; 243 void *v; 244 register_t *retval; 245 { 246 struct sunos_sys_execve_args /* { 247 syscallarg(const char *) path; 248 syscallarg(char **) argv; 249 syscallarg(char **) envp; 250 } */ *uap = v; 251 struct sys_execve_args ap; 252 struct proc *p = l->l_proc; 253 caddr_t sg; 254 255 sg = stackgap_init(p, 0); 256 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 257 258 SCARG(&ap, path) = SCARG(uap, path); 259 SCARG(&ap, argp) = SCARG(uap, argp); 260 SCARG(&ap, envp) = SCARG(uap, envp); 261 262 return (sys_execve(l, &ap, retval)); 263 } 264 265 int 266 sunos_sys_omsync(l, v, retval) 267 struct lwp *l; 268 void *v; 269 register_t *retval; 270 { 271 struct sunos_sys_omsync_args *uap = v; 272 struct sys___msync13_args ouap; 273 274 SCARG(&ouap, addr) = SCARG(uap, addr); 275 SCARG(&ouap, len) = SCARG(uap, len); 276 SCARG(&ouap, flags) = SCARG(uap, flags); 277 278 return (sys___msync13(l, &ouap, retval)); 279 } 280 281 int 282 sunos_sys_unmount(l, v, retval) 283 struct lwp *l; 284 void *v; 285 register_t *retval; 286 { 287 struct sunos_sys_unmount_args *uap = v; 288 struct sys_unmount_args ouap; 289 290 SCARG(&ouap, path) = SCARG(uap, path); 291 SCARG(&ouap, flags) = 0; 292 293 return (sys_unmount(l, &ouap, retval)); 294 } 295 296 /* 297 * Conversion table for SunOS NFS mount flags. 298 */ 299 static struct { 300 int sun_flg; 301 int bsd_flg; 302 } sunnfs_flgtab[] = { 303 { SUNNFS_SOFT, NFSMNT_SOFT }, 304 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 305 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 306 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 307 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 308 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 309 { SUNNFS_INT, NFSMNT_INT }, 310 { SUNNFS_NOAC, 0 }, /* Ignored */ 311 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 312 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 313 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 314 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 315 { SUNNFS_SECURE, 0 }, /* Ignored */ 316 { SUNNFS_NOCTO, 0 }, /* Ignored */ 317 { SUNNFS_POSIX, 0 } /* Ignored */ 318 }; 319 320 int 321 sunos_sys_mount(l, v, retval) 322 struct lwp *l; 323 void *v; 324 register_t *retval; 325 { 326 struct sunos_sys_mount_args *uap = v; 327 struct proc *p = l->l_proc; 328 int oflags = SCARG(uap, flags), nflags, error; 329 char fsname[MFSNAMELEN]; 330 caddr_t sg = stackgap_init(p, 0); 331 332 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 333 return (EINVAL); 334 if ((oflags & SUNM_NEWTYPE) == 0) 335 return (EINVAL); 336 nflags = 0; 337 if (oflags & SUNM_RDONLY) 338 nflags |= MNT_RDONLY; 339 if (oflags & SUNM_NOSUID) 340 nflags |= MNT_NOSUID; 341 if (oflags & SUNM_REMOUNT) 342 nflags |= MNT_UPDATE; 343 SCARG(uap, flags) = nflags; 344 345 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 346 sizeof fsname, (size_t *)0); 347 if (error) 348 return (error); 349 350 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 351 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 352 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 353 if (error) 354 return (error); 355 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 356 struct sunos_nfs_args sna; 357 struct sockaddr_in sain; 358 struct nfs_args na; 359 struct sockaddr sa; 360 int n; 361 362 error = copyin(SCARG(uap, data), &sna, sizeof sna); 363 if (error) 364 return (error); 365 error = copyin(sna.addr, &sain, sizeof sain); 366 if (error) 367 return (error); 368 memcpy(&sa, &sain, sizeof sa); 369 sa.sa_len = sizeof(sain); 370 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 371 na.version = NFS_ARGSVERSION; 372 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 373 na.addrlen = sizeof(struct sockaddr); 374 na.sotype = SOCK_DGRAM; 375 na.proto = IPPROTO_UDP; 376 na.fh = (void *)sna.fh; 377 na.fhsize = NFSX_V2FH; 378 na.flags = 0; 379 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 380 while (--n >= 0) 381 if (sna.flags & sunnfs_flgtab[n].sun_flg) 382 na.flags |= sunnfs_flgtab[n].bsd_flg; 383 na.wsize = sna.wsize; 384 na.rsize = sna.rsize; 385 if (na.flags & NFSMNT_RSIZE) { 386 na.flags |= NFSMNT_READDIRSIZE; 387 na.readdirsize = na.rsize; 388 } 389 na.timeo = sna.timeo; 390 na.retrans = sna.retrans; 391 na.hostname = (char *)(u_long)sna.hostname; 392 393 error = copyout(&sa, na.addr, sizeof sa); 394 if (error) 395 return (error); 396 error = copyout(&na, SCARG(uap, data), sizeof na); 397 if (error) 398 return (error); 399 } 400 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 401 } 402 403 #if defined(NFS) 404 int 405 async_daemon(l, v, retval) 406 struct lwp *l; 407 void *v; 408 register_t *retval; 409 { 410 struct sys_nfssvc_args ouap; 411 412 SCARG(&ouap, flag) = NFSSVC_BIOD; 413 SCARG(&ouap, argp) = NULL; 414 415 return (sys_nfssvc(l, &ouap, retval)); 416 } 417 #endif /* NFS */ 418 419 void native_to_sunos_sigset __P((const sigset_t *, int *)); 420 void sunos_to_native_sigset __P((const int, sigset_t *)); 421 422 inline void 423 native_to_sunos_sigset(ss, mask) 424 const sigset_t *ss; 425 int *mask; 426 { 427 *mask = ss->__bits[0]; 428 } 429 430 inline void 431 sunos_to_native_sigset(mask, ss) 432 const int mask; 433 sigset_t *ss; 434 { 435 436 ss->__bits[0] = mask; 437 ss->__bits[1] = 0; 438 ss->__bits[2] = 0; 439 ss->__bits[3] = 0; 440 } 441 442 int 443 sunos_sys_sigpending(l, v, retval) 444 struct lwp *l; 445 void *v; 446 register_t *retval; 447 { 448 struct sunos_sys_sigpending_args *uap = v; 449 sigset_t ss; 450 int mask; 451 452 sigpending1(l, &ss); 453 native_to_sunos_sigset(&ss, &mask); 454 455 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 456 } 457 458 int 459 sunos_sys_sigsuspend(l, v, retval) 460 struct lwp *l; 461 void *v; 462 register_t *retval; 463 { 464 struct sunos_sys_sigsuspend_args /* { 465 syscallarg(int) mask; 466 } */ *uap = v; 467 int mask; 468 sigset_t ss; 469 470 mask = SCARG(uap, mask); 471 sunos_to_native_sigset(mask, &ss); 472 return (sigsuspend1(l, &ss)); 473 } 474 475 /* 476 * Read Sun-style directory entries. We suck them into kernel space so 477 * that they can be massaged before being copied out to user code. Like 478 * SunOS, we squish out `empty' entries. 479 * 480 * This is quite ugly, but what do you expect from compatibility code? 481 */ 482 int 483 sunos_sys_getdents(l, v, retval) 484 struct lwp *l; 485 void *v; 486 register_t *retval; 487 { 488 struct sunos_sys_getdents_args *uap = v; 489 struct proc *p = l->l_proc; 490 struct dirent *bdp; 491 struct vnode *vp; 492 caddr_t inp, buf; /* BSD-format */ 493 int len, reclen; /* BSD-format */ 494 caddr_t outp; /* Sun-format */ 495 int resid, sunos_reclen;/* Sun-format */ 496 struct file *fp; 497 struct uio auio; 498 struct iovec aiov; 499 struct sunos_dirent idb; 500 off_t off; /* true file offset */ 501 int buflen, error, eofflag; 502 off_t *cookiebuf, *cookie; 503 int ncookies; 504 505 /* getvnode() will use the descriptor for us */ 506 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 507 return (error); 508 509 if ((fp->f_flag & FREAD) == 0) { 510 error = EBADF; 511 goto out1; 512 } 513 514 vp = (struct vnode *)fp->f_data; 515 if (vp->v_type != VDIR) { 516 error = EINVAL; 517 goto out1; 518 } 519 520 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 521 buf = malloc(buflen, M_TEMP, M_WAITOK); 522 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 523 off = fp->f_offset; 524 again: 525 aiov.iov_base = buf; 526 aiov.iov_len = buflen; 527 auio.uio_iov = &aiov; 528 auio.uio_iovcnt = 1; 529 auio.uio_rw = UIO_READ; 530 auio.uio_resid = buflen; 531 auio.uio_offset = off; 532 UIO_SETUP_SYSSPACE(&auio); 533 /* 534 * First we read into the malloc'ed buffer, then 535 * we massage it into user space, one record at a time. 536 */ 537 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 538 &ncookies); 539 if (error) 540 goto out; 541 542 inp = buf; 543 outp = SCARG(uap, buf); 544 resid = SCARG(uap, nbytes); 545 if ((len = buflen - auio.uio_resid) == 0) 546 goto eof; 547 548 for (cookie = cookiebuf; len > 0; len -= reclen) { 549 bdp = (struct dirent *)inp; 550 reclen = bdp->d_reclen; 551 if (reclen & 3) 552 panic("sunos_getdents"); 553 if ((*cookie >> 32) != 0) { 554 compat_offseterr(vp, "sunos_getdents"); 555 error = EINVAL; 556 goto out; 557 } 558 if (bdp->d_fileno == 0) { 559 inp += reclen; /* it is a hole; squish it out */ 560 if (cookie) 561 off = *cookie++; 562 else 563 off += reclen; 564 continue; 565 } 566 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 567 if (reclen > len || resid < sunos_reclen) { 568 /* entry too big for buffer, so just stop */ 569 outp++; 570 break; 571 } 572 if (cookie) 573 off = *cookie++; /* each entry points to next */ 574 else 575 off += reclen; 576 /* 577 * Massage in place to make a Sun-shaped dirent (otherwise 578 * we have to worry about touching user memory outside of 579 * the copyout() call). 580 */ 581 idb.d_fileno = bdp->d_fileno; 582 idb.d_off = off; 583 idb.d_reclen = sunos_reclen; 584 idb.d_namlen = bdp->d_namlen; 585 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 586 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 587 goto out; 588 /* advance past this real entry */ 589 inp += reclen; 590 /* advance output past Sun-shaped entry */ 591 outp += sunos_reclen; 592 resid -= sunos_reclen; 593 } 594 595 /* if we squished out the whole block, try again */ 596 if (outp == SCARG(uap, buf)) 597 goto again; 598 fp->f_offset = off; /* update the vnode offset */ 599 600 eof: 601 *retval = SCARG(uap, nbytes) - resid; 602 out: 603 VOP_UNLOCK(vp, 0); 604 free(cookiebuf, M_TEMP); 605 free(buf, M_TEMP); 606 out1: 607 FILE_UNUSE(fp, l); 608 return (error); 609 } 610 611 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 612 613 int 614 sunos_sys_mmap(l, v, retval) 615 struct lwp *l; 616 void *v; 617 register_t *retval; 618 { 619 struct sunos_sys_mmap_args *uap = v; 620 struct sys_mmap_args ouap; 621 622 /* 623 * Verify the arguments. 624 */ 625 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 626 return (EINVAL); /* XXX still needed? */ 627 628 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 629 return (EINVAL); 630 631 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 632 SCARG(&ouap, addr) = SCARG(uap, addr); 633 SCARG(&ouap, len) = SCARG(uap, len); 634 SCARG(&ouap, prot) = SCARG(uap, prot); 635 SCARG(&ouap, fd) = SCARG(uap, fd); 636 SCARG(&ouap, pos) = SCARG(uap, pos); 637 638 return (sys_mmap(l, &ouap, retval)); 639 } 640 641 #define MC_SYNC 1 642 #define MC_LOCK 2 643 #define MC_UNLOCK 3 644 #define MC_ADVISE 4 645 #define MC_LOCKAS 5 646 #define MC_UNLOCKAS 6 647 648 int 649 sunos_sys_mctl(l, v, retval) 650 struct lwp *l; 651 void *v; 652 register_t *retval; 653 { 654 struct sunos_sys_mctl_args *uap = v; 655 656 switch (SCARG(uap, func)) { 657 case MC_ADVISE: /* ignore for now */ 658 return (0); 659 case MC_SYNC: /* translate to msync */ 660 return (sys___msync13(l, uap, retval)); 661 default: 662 return (EINVAL); 663 } 664 } 665 666 int 667 sunos_sys_setsockopt(l, v, retval) 668 struct lwp *l; 669 void *v; 670 register_t *retval; 671 { 672 struct sunos_sys_setsockopt_args *uap = v; 673 struct proc *p = l->l_proc; 674 struct file *fp; 675 struct mbuf *m = NULL; 676 int error; 677 678 /* getsock() will use the descriptor for us */ 679 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 680 return (error); 681 #define SO_DONTLINGER (~SO_LINGER) 682 if (SCARG(uap, name) == SO_DONTLINGER) { 683 m = m_get(M_WAIT, MT_SOOPTS); 684 mtod(m, struct linger *)->l_onoff = 0; 685 m->m_len = sizeof(struct linger); 686 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 687 SO_LINGER, m); 688 goto out; 689 } 690 if (SCARG(uap, level) == IPPROTO_IP) { 691 #define SUNOS_IP_MULTICAST_IF 2 692 #define SUNOS_IP_MULTICAST_TTL 3 693 #define SUNOS_IP_MULTICAST_LOOP 4 694 #define SUNOS_IP_ADD_MEMBERSHIP 5 695 #define SUNOS_IP_DROP_MEMBERSHIP 6 696 static const int ipoptxlat[] = { 697 IP_MULTICAST_IF, 698 IP_MULTICAST_TTL, 699 IP_MULTICAST_LOOP, 700 IP_ADD_MEMBERSHIP, 701 IP_DROP_MEMBERSHIP 702 }; 703 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 704 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 705 SCARG(uap, name) = 706 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 707 } 708 } 709 if (SCARG(uap, valsize) > MLEN) { 710 error = EINVAL; 711 goto out; 712 } 713 if (SCARG(uap, val)) { 714 m = m_get(M_WAIT, MT_SOOPTS); 715 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 716 (u_int)SCARG(uap, valsize)); 717 if (error) { 718 (void) m_free(m); 719 goto out; 720 } 721 m->m_len = SCARG(uap, valsize); 722 } 723 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 724 SCARG(uap, name), m); 725 out: 726 FILE_UNUSE(fp, l); 727 return (error); 728 } 729 730 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 731 int type); 732 static inline int 733 sunos_sys_socket_common(l, retval, type) 734 struct lwp *l; 735 register_t *retval; 736 int type; 737 { 738 struct socket *so; 739 struct file *fp; 740 int error, fd; 741 742 /* getsock() will use the descriptor for us */ 743 fd = (int)*retval; 744 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 745 so = (struct socket *)fp->f_data; 746 if (type == SOCK_DGRAM) 747 so->so_options |= SO_BROADCAST; 748 } 749 FILE_UNUSE(fp, l); 750 return (error); 751 } 752 753 int 754 sunos_sys_socket(l, v, retval) 755 struct lwp *l; 756 void *v; 757 register_t *retval; 758 { 759 struct sunos_sys_socket_args /* { 760 syscallarg(int) domain; 761 syscallarg(int) type; 762 syscallarg(int) protocol; 763 } */ *uap = v; 764 int error; 765 766 error = compat_30_sys_socket(l, v, retval); 767 if (error) 768 return (error); 769 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 770 } 771 772 int 773 sunos_sys_socketpair(l, v, retval) 774 struct lwp *l; 775 void *v; 776 register_t *retval; 777 { 778 struct sunos_sys_socketpair_args /* { 779 syscallarg(int) domain; 780 syscallarg(int) type; 781 syscallarg(int) protocol; 782 syscallarg(int *) rsv; 783 } */ *uap = v; 784 int error; 785 786 error = sys_socketpair(l, v, retval); 787 if (error) 788 return (error); 789 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 790 } 791 792 /* 793 * XXX: This needs cleaning up. 794 */ 795 int 796 sunos_sys_auditsys(l, v, retval) 797 struct lwp *l; 798 void *v; 799 register_t *retval; 800 { 801 return 0; 802 } 803 804 int 805 sunos_sys_uname(l, v, retval) 806 struct lwp *l; 807 void *v; 808 register_t *retval; 809 { 810 struct sunos_sys_uname_args *uap = v; 811 struct sunos_utsname sut; 812 813 memset(&sut, 0, sizeof(sut)); 814 815 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 816 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 817 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 818 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 819 memcpy(sut.version, "1", sizeof(sut.version) - 1); 820 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 821 822 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 823 sizeof(struct sunos_utsname)); 824 } 825 826 int 827 sunos_sys_setpgrp(l, v, retval) 828 struct lwp *l; 829 void *v; 830 register_t *retval; 831 { 832 struct sunos_sys_setpgrp_args *uap = v; 833 struct proc *p = l->l_proc; 834 835 /* 836 * difference to our setpgid call is to include backwards 837 * compatibility to pre-setsid() binaries. Do setsid() 838 * instead of setpgid() in those cases where the process 839 * tries to create a new session the old way. 840 */ 841 if (!SCARG(uap, pgid) && 842 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 843 return sys_setsid(l, uap, retval); 844 else 845 return sys_setpgid(l, uap, retval); 846 } 847 848 int 849 sunos_sys_open(l, v, retval) 850 struct lwp *l; 851 void *v; 852 register_t *retval; 853 { 854 struct sunos_sys_open_args *uap = v; 855 struct proc *p = l->l_proc; 856 int smode, nmode; 857 int noctty; 858 int ret; 859 860 caddr_t sg = stackgap_init(p, 0); 861 862 /* convert mode into NetBSD mode */ 863 smode = SCARG(uap, flags); 864 noctty = smode & 0x8000; 865 nmode = smode & 866 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 867 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 868 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 869 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 870 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 871 872 if (nmode & O_CREAT) 873 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 874 else 875 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 876 877 SCARG(uap, flags) = nmode; 878 ret = sys_open(l, (struct sys_open_args *)uap, retval); 879 880 /* XXXSMP */ 881 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 882 struct filedesc *fdp = p->p_fd; 883 struct file *fp; 884 885 fp = fd_getfile(fdp, *retval); 886 simple_unlock(&fp->f_slock); 887 888 /* ignore any error, just give it a try */ 889 if (fp != NULL && fp->f_type == DTYPE_VNODE) 890 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, l); 891 } 892 return ret; 893 } 894 895 #if defined (NFSSERVER) 896 int 897 sunos_sys_nfssvc(l, v, retval) 898 struct lwp *l; 899 void *v; 900 register_t *retval; 901 { 902 #if 0 903 struct sunos_sys_nfssvc_args *uap = v; 904 struct proc *p = l->l_proc; 905 struct emul *e = p->p_emul; 906 struct sys_nfssvc_args outuap; 907 struct sockaddr sa; 908 int error; 909 caddr_t sg = stackgap_init(p, 0); 910 911 memset(&outuap, 0, sizeof outuap); 912 SCARG(&outuap, fd) = SCARG(uap, fd); 913 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 914 SCARG(&outuap, msklen) = sizeof(sa); 915 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 916 SCARG(&outuap, mtchlen) = sizeof(sa); 917 918 memset(&sa, 0, sizeof sa); 919 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 920 return (error); 921 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 922 return (error); 923 924 return nfssvc(l, &outuap, retval); 925 #else 926 return (ENOSYS); 927 #endif 928 } 929 #endif /* NFSSERVER */ 930 931 int 932 sunos_sys_ustat(l, v, retval) 933 struct lwp *l; 934 void *v; 935 register_t *retval; 936 { 937 struct sunos_sys_ustat_args *uap = v; 938 struct sunos_ustat us; 939 int error; 940 941 memset(&us, 0, sizeof us); 942 943 /* 944 * XXX: should set f_tfree and f_tinode at least 945 * How do we translate dev -> fstat? (and then to sunos_ustat) 946 */ 947 948 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 949 return (error); 950 return 0; 951 } 952 953 int 954 sunos_sys_quotactl(l, v, retval) 955 struct lwp *l; 956 void *v; 957 register_t *retval; 958 { 959 960 return EINVAL; 961 } 962 963 int 964 sunos_sys_vhangup(l, v, retval) 965 struct lwp *l; 966 void *v; 967 register_t *retval; 968 { 969 struct proc *p = l->l_proc; 970 struct session *sp = p->p_session; 971 972 if (sp->s_ttyvp == 0) 973 return 0; 974 975 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 976 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 977 978 (void) ttywait(sp->s_ttyp); 979 if (sp->s_ttyvp) 980 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 981 if (sp->s_ttyvp) 982 vrele(sp->s_ttyvp); 983 sp->s_ttyvp = NULL; 984 985 return 0; 986 } 987 988 static int 989 sunstatfs(sp, buf) 990 struct statvfs *sp; 991 caddr_t buf; 992 { 993 struct sunos_statfs ssfs; 994 995 memset(&ssfs, 0, sizeof ssfs); 996 ssfs.f_type = 0; 997 ssfs.f_bsize = sp->f_bsize; 998 ssfs.f_blocks = sp->f_blocks; 999 ssfs.f_bfree = sp->f_bfree; 1000 ssfs.f_bavail = sp->f_bavail; 1001 ssfs.f_files = sp->f_files; 1002 ssfs.f_ffree = sp->f_ffree; 1003 ssfs.f_fsid = sp->f_fsidx; 1004 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 1005 } 1006 1007 int 1008 sunos_sys_statfs(l, v, retval) 1009 struct lwp *l; 1010 void *v; 1011 register_t *retval; 1012 { 1013 struct sunos_sys_statfs_args *uap = v; 1014 struct proc *p = l->l_proc; 1015 struct mount *mp; 1016 struct statvfs *sp; 1017 int error; 1018 struct nameidata nd; 1019 1020 caddr_t sg = stackgap_init(p, 0); 1021 CHECK_ALT_EXIST(l, &sg, SCARG(uap, path)); 1022 1023 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), l); 1024 if ((error = namei(&nd)) != 0) 1025 return (error); 1026 mp = nd.ni_vp->v_mount; 1027 sp = &mp->mnt_stat; 1028 vrele(nd.ni_vp); 1029 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1030 return (error); 1031 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1032 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1033 } 1034 1035 int 1036 sunos_sys_fstatfs(l, v, retval) 1037 struct lwp *l; 1038 void *v; 1039 register_t *retval; 1040 { 1041 struct sunos_sys_fstatfs_args *uap = v; 1042 struct proc *p = l->l_proc; 1043 struct file *fp; 1044 struct mount *mp; 1045 struct statvfs *sp; 1046 int error; 1047 1048 /* getvnode() will use the descriptor for us */ 1049 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1050 return (error); 1051 mp = ((struct vnode *)fp->f_data)->v_mount; 1052 sp = &mp->mnt_stat; 1053 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1054 goto out; 1055 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1056 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1057 out: 1058 FILE_UNUSE(fp, l); 1059 return (error); 1060 } 1061 1062 int 1063 sunos_sys_exportfs(l, v, retval) 1064 struct lwp *l; 1065 void *v; 1066 register_t *retval; 1067 { 1068 /* 1069 * XXX: should perhaps translate into a mount(2) 1070 * with MOUNT_EXPORT? 1071 */ 1072 return 0; 1073 } 1074 1075 int 1076 sunos_sys_mknod(l, v, retval) 1077 struct lwp *l; 1078 void *v; 1079 register_t *retval; 1080 { 1081 struct sunos_sys_mknod_args *uap = v; 1082 struct proc *p = l->l_proc; 1083 1084 caddr_t sg = stackgap_init(p, 0); 1085 CHECK_ALT_CREAT(l, &sg, SCARG(uap, path)); 1086 1087 if (S_ISFIFO(SCARG(uap, mode))) 1088 return sys_mkfifo(l, uap, retval); 1089 1090 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1091 } 1092 1093 #define SUNOS_SC_ARG_MAX 1 1094 #define SUNOS_SC_CHILD_MAX 2 1095 #define SUNOS_SC_CLK_TCK 3 1096 #define SUNOS_SC_NGROUPS_MAX 4 1097 #define SUNOS_SC_OPEN_MAX 5 1098 #define SUNOS_SC_JOB_CONTROL 6 1099 #define SUNOS_SC_SAVED_IDS 7 1100 #define SUNOS_SC_VERSION 8 1101 1102 int 1103 sunos_sys_sysconf(l, v, retval) 1104 struct lwp *l; 1105 void *v; 1106 register_t *retval; 1107 { 1108 struct sunos_sys_sysconf_args *uap = v; 1109 extern int maxfiles; 1110 1111 switch(SCARG(uap, name)) { 1112 case SUNOS_SC_ARG_MAX: 1113 *retval = ARG_MAX; 1114 break; 1115 case SUNOS_SC_CHILD_MAX: 1116 *retval = maxproc; 1117 break; 1118 case SUNOS_SC_CLK_TCK: 1119 *retval = 60; /* should this be `hz', ie. 100? */ 1120 break; 1121 case SUNOS_SC_NGROUPS_MAX: 1122 *retval = NGROUPS_MAX; 1123 break; 1124 case SUNOS_SC_OPEN_MAX: 1125 *retval = maxfiles; 1126 break; 1127 case SUNOS_SC_JOB_CONTROL: 1128 *retval = 1; 1129 break; 1130 case SUNOS_SC_SAVED_IDS: 1131 #ifdef _POSIX_SAVED_IDS 1132 *retval = 1; 1133 #else 1134 *retval = 0; 1135 #endif 1136 break; 1137 case SUNOS_SC_VERSION: 1138 *retval = 198808; 1139 break; 1140 default: 1141 return EINVAL; 1142 } 1143 return 0; 1144 } 1145 1146 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1147 #define SUNOS_RLIM_NLIMITS 7 1148 1149 int 1150 sunos_sys_getrlimit(l, v, retval) 1151 struct lwp *l; 1152 void *v; 1153 register_t *retval; 1154 { 1155 struct sunos_sys_getrlimit_args *uap = v; 1156 1157 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1158 return EINVAL; 1159 1160 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1161 SCARG(uap, which) = RLIMIT_NOFILE; 1162 1163 return compat_43_sys_getrlimit(l, uap, retval); 1164 } 1165 1166 int 1167 sunos_sys_setrlimit(l, v, retval) 1168 struct lwp *l; 1169 void *v; 1170 register_t *retval; 1171 { 1172 struct sunos_sys_getrlimit_args *uap = v; 1173 1174 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1175 return EINVAL; 1176 1177 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1178 SCARG(uap, which) = RLIMIT_NOFILE; 1179 1180 return compat_43_sys_setrlimit(l, uap, retval); 1181 } 1182 1183 #if defined(PTRACE) || defined(_LKM) 1184 /* for the m68k machines */ 1185 #ifndef PT_GETFPREGS 1186 #define PT_GETFPREGS -1 1187 #endif 1188 #ifndef PT_SETFPREGS 1189 #define PT_SETFPREGS -1 1190 #endif 1191 1192 static const int sreq2breq[] = { 1193 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1194 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1195 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1196 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1197 }; 1198 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1199 #endif /* PTRACE || _LKM */ 1200 1201 int 1202 sunos_sys_ptrace(l, v, retval) 1203 struct lwp *l; 1204 void *v; 1205 register_t *retval; 1206 { 1207 #if defined(PTRACE) || defined(_LKM) 1208 struct sunos_sys_ptrace_args *uap = v; 1209 struct sys_ptrace_args pa; 1210 int req; 1211 1212 #ifdef _LKM 1213 #define sys_ptrace sysent[SYS_ptrace].sy_call 1214 if (sys_ptrace == sys_nosys) 1215 return ENOSYS; 1216 #endif 1217 1218 req = SCARG(uap, req); 1219 1220 if (req < 0 || req >= nreqs) 1221 return (EINVAL); 1222 1223 req = sreq2breq[req]; 1224 if (req == -1) 1225 return (EINVAL); 1226 1227 SCARG(&pa, req) = req; 1228 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1229 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1230 SCARG(&pa, data) = SCARG(uap, data); 1231 1232 return sys_ptrace(l, &pa, retval); 1233 #else 1234 return ENOSYS; 1235 #endif /* PTRACE || _LKM */ 1236 } 1237 1238 /* 1239 * SunOS reboot system call (for compatibility). 1240 * Sun lets you pass in a boot string which the PROM 1241 * saves and provides to the next boot program. 1242 */ 1243 1244 #define SUNOS_RB_ASKNAME 0x001 1245 #define SUNOS_RB_SINGLE 0x002 1246 #define SUNOS_RB_NOSYNC 0x004 1247 #define SUNOS_RB_HALT 0x008 1248 #define SUNOS_RB_DUMP 0x080 1249 #define SUNOS_RB_STRING 0x200 1250 1251 static struct sunos_howto_conv { 1252 int sun_howto; 1253 int bsd_howto; 1254 } sunos_howto_conv[] = { 1255 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1256 { SUNOS_RB_SINGLE, RB_SINGLE }, 1257 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1258 { SUNOS_RB_HALT, RB_HALT }, 1259 { SUNOS_RB_DUMP, RB_DUMP }, 1260 { SUNOS_RB_STRING, RB_STRING }, 1261 { 0x000, 0 }, 1262 }; 1263 1264 int 1265 sunos_sys_reboot(l, v, retval) 1266 struct lwp *l; 1267 void *v; 1268 register_t *retval; 1269 { 1270 struct sunos_sys_reboot_args *uap = v; 1271 struct sys_reboot_args ua; 1272 struct sunos_howto_conv *convp; 1273 int error, bsd_howto, sun_howto; 1274 char *bootstr; 1275 1276 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1277 0, NULL, NULL, NULL)) != 0) 1278 return (error); 1279 1280 /* 1281 * Convert howto bits to BSD format. 1282 */ 1283 sun_howto = SCARG(uap, howto); 1284 bsd_howto = 0; 1285 convp = sunos_howto_conv; 1286 while (convp->sun_howto) { 1287 if (sun_howto & convp->sun_howto) 1288 bsd_howto |= convp->bsd_howto; 1289 convp++; 1290 } 1291 1292 /* 1293 * Sun RB_STRING (Get user supplied bootstring.) 1294 * If the machine supports passing a string to the 1295 * next booted kernel. 1296 */ 1297 if (sun_howto & SUNOS_RB_STRING) { 1298 char bs[128]; 1299 1300 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1301 1302 if (error) 1303 bootstr = NULL; 1304 else 1305 bootstr = bs; 1306 } else 1307 bootstr = NULL; 1308 1309 SCARG(&ua, opt) = bsd_howto; 1310 SCARG(&ua, bootstr) = bootstr; 1311 sys_reboot(l, &ua, retval); 1312 return(0); 1313 } 1314 1315 /* 1316 * Generalized interface signal handler, 4.3-compatible. 1317 */ 1318 /* ARGSUSED */ 1319 int 1320 sunos_sys_sigvec(l, v, retval) 1321 struct lwp *l; 1322 void *v; 1323 register_t *retval; 1324 { 1325 struct sunos_sys_sigvec_args /* { 1326 syscallarg(int) signum; 1327 syscallarg(struct sigvec *) nsv; 1328 syscallarg(struct sigvec *) osv; 1329 } */ *uap = v; 1330 struct sigvec nsv, osv; 1331 struct sigaction nsa, osa; 1332 int error; 1333 /*XXX*/extern void compat_43_sigvec_to_sigaction 1334 __P((const struct sigvec *, struct sigaction *)); 1335 /*XXX*/extern void compat_43_sigaction_to_sigvec 1336 __P((const struct sigaction *, struct sigvec *)); 1337 1338 if (SCARG(uap, nsv)) { 1339 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1340 if (error != 0) 1341 return (error); 1342 1343 /* 1344 * SunOS uses the mask 0x0004 as SV_RESETHAND 1345 * meaning: `reset to SIG_DFL on delivery'. 1346 * We support only the bits in: 0xF 1347 * (those bits are the same as ours) 1348 */ 1349 if (nsv.sv_flags & ~0xF) 1350 return (EINVAL); 1351 1352 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1353 } 1354 error = sigaction1(l, SCARG(uap, signum), 1355 SCARG(uap, nsv) ? &nsa : 0, 1356 SCARG(uap, osv) ? &osa : 0, 1357 NULL, 0); 1358 if (error != 0) 1359 return (error); 1360 1361 if (SCARG(uap, osv)) { 1362 compat_43_sigaction_to_sigvec(&osa, &osv); 1363 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1364 if (error != 0) 1365 return (error); 1366 } 1367 1368 return (0); 1369 } 1370
Indexes created Wed Oct 15 16:09:53 GMT 2025