sunos_misc.c revision 1.148
1 /* $NetBSD: sunos_misc.c,v 1.148 2007/04/28 00:03:37 dogcow 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 1.148 2007/04/28 00:03:37 dogcow 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 *, void *)); 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 void *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 sys_open_args ouap; 162 163 SCARG(&ouap, path) = SCARG(uap, path); 164 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 165 SCARG(&ouap, mode) = SCARG(uap, mode); 166 167 return (sys_open(l, &ouap, retval)); 168 } 169 170 int 171 sunos_sys_access(l, v, retval) 172 struct lwp *l; 173 void *v; 174 register_t *retval; 175 { 176 struct sunos_sys_lstat_args *uap = v; 177 178 return (sys_access(l, uap, retval)); 179 } 180 181 int 182 sunos_sys_stat(l, v, retval) 183 struct lwp *l; 184 void *v; 185 register_t *retval; 186 { 187 struct sunos_sys_lstat_args *uap = v; 188 189 return (compat_43_sys_stat(l, uap, retval)); 190 } 191 192 int 193 sunos_sys_lstat(l, v, retval) 194 struct lwp *l; 195 void *v; 196 register_t *retval; 197 { 198 struct sunos_sys_lstat_args *uap = v; 199 200 return (compat_43_sys_lstat(l, uap, retval)); 201 } 202 203 int 204 sunos_sys_execv(l, v, retval) 205 struct lwp *l; 206 void *v; 207 register_t *retval; 208 { 209 struct sunos_sys_execv_args /* { 210 syscallarg(const char *) path; 211 syscallarg(char **) argv; 212 } */ *uap = v; 213 struct sys_execve_args ap; 214 215 SCARG(&ap, path) = SCARG(uap, path); 216 SCARG(&ap, argp) = SCARG(uap, argp); 217 SCARG(&ap, envp) = NULL; 218 219 return (sys_execve(l, &ap, retval)); 220 } 221 222 int 223 sunos_sys_execve(l, v, retval) 224 struct lwp *l; 225 void *v; 226 register_t *retval; 227 { 228 struct sunos_sys_execve_args /* { 229 syscallarg(const char *) path; 230 syscallarg(char **) argv; 231 syscallarg(char **) envp; 232 } */ *uap = v; 233 struct sys_execve_args ap; 234 235 SCARG(&ap, path) = SCARG(uap, path); 236 SCARG(&ap, argp) = SCARG(uap, argp); 237 SCARG(&ap, envp) = SCARG(uap, envp); 238 239 return (sys_execve(l, &ap, retval)); 240 } 241 242 int 243 sunos_sys_omsync(l, v, retval) 244 struct lwp *l; 245 void *v; 246 register_t *retval; 247 { 248 struct sunos_sys_omsync_args *uap = v; 249 struct sys___msync13_args ouap; 250 251 SCARG(&ouap, addr) = SCARG(uap, addr); 252 SCARG(&ouap, len) = SCARG(uap, len); 253 SCARG(&ouap, flags) = SCARG(uap, flags); 254 255 return (sys___msync13(l, &ouap, retval)); 256 } 257 258 int 259 sunos_sys_unmount(l, v, retval) 260 struct lwp *l; 261 void *v; 262 register_t *retval; 263 { 264 struct sunos_sys_unmount_args *uap = v; 265 struct sys_unmount_args ouap; 266 267 SCARG(&ouap, path) = SCARG(uap, path); 268 SCARG(&ouap, flags) = 0; 269 270 return (sys_unmount(l, &ouap, retval)); 271 } 272 273 /* 274 * Conversion table for SunOS NFS mount flags. 275 */ 276 static struct { 277 int sun_flg; 278 int bsd_flg; 279 } sunnfs_flgtab[] = { 280 { SUNNFS_SOFT, NFSMNT_SOFT }, 281 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 282 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 283 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 284 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 285 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 286 { SUNNFS_INT, NFSMNT_INT }, 287 { SUNNFS_NOAC, 0 }, /* Ignored */ 288 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 289 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 290 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 291 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 292 { SUNNFS_SECURE, 0 }, /* Ignored */ 293 { SUNNFS_NOCTO, 0 }, /* Ignored */ 294 { SUNNFS_POSIX, 0 } /* Ignored */ 295 }; 296 297 int 298 sunos_sys_mount(l, v, retval) 299 struct lwp *l; 300 void *v; 301 register_t *retval; 302 { 303 struct sunos_sys_mount_args *uap = v; 304 struct proc *p = l->l_proc; 305 int oflags = SCARG(uap, flags), nflags, error; 306 char fsname[MFSNAMELEN]; 307 void *sg = stackgap_init(p, 0); 308 309 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 310 return (EINVAL); 311 if ((oflags & SUNM_NEWTYPE) == 0) 312 return (EINVAL); 313 nflags = 0; 314 if (oflags & SUNM_RDONLY) 315 nflags |= MNT_RDONLY; 316 if (oflags & SUNM_NOSUID) 317 nflags |= MNT_NOSUID; 318 if (oflags & SUNM_REMOUNT) 319 nflags |= MNT_UPDATE; 320 SCARG(uap, flags) = nflags; 321 322 error = copyinstr((void *)SCARG(uap, type), fsname, 323 sizeof fsname, (size_t *)0); 324 if (error) 325 return (error); 326 327 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 328 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 329 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 330 if (error) 331 return (error); 332 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 333 struct sunos_nfs_args sna; 334 struct sockaddr_in sain; 335 struct nfs_args na; 336 struct sockaddr sa; 337 int n; 338 339 error = copyin(SCARG(uap, data), &sna, sizeof sna); 340 if (error) 341 return (error); 342 error = copyin(sna.addr, &sain, sizeof sain); 343 if (error) 344 return (error); 345 memcpy(&sa, &sain, sizeof sa); 346 sa.sa_len = sizeof(sain); 347 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 348 na.version = NFS_ARGSVERSION; 349 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 350 na.addrlen = sizeof(struct sockaddr); 351 na.sotype = SOCK_DGRAM; 352 na.proto = IPPROTO_UDP; 353 na.fh = (void *)sna.fh; 354 na.fhsize = NFSX_V2FH; 355 na.flags = 0; 356 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 357 while (--n >= 0) 358 if (sna.flags & sunnfs_flgtab[n].sun_flg) 359 na.flags |= sunnfs_flgtab[n].bsd_flg; 360 na.wsize = sna.wsize; 361 na.rsize = sna.rsize; 362 if (na.flags & NFSMNT_RSIZE) { 363 na.flags |= NFSMNT_READDIRSIZE; 364 na.readdirsize = na.rsize; 365 } 366 na.timeo = sna.timeo; 367 na.retrans = sna.retrans; 368 na.hostname = (char *)(u_long)sna.hostname; 369 370 error = copyout(&sa, na.addr, sizeof sa); 371 if (error) 372 return (error); 373 error = copyout(&na, SCARG(uap, data), sizeof na); 374 if (error) 375 return (error); 376 } 377 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 378 } 379 380 #if defined(NFS) 381 int 382 async_daemon(l, v, retval) 383 struct lwp *l; 384 void *v; 385 register_t *retval; 386 { 387 struct sys_nfssvc_args ouap; 388 389 SCARG(&ouap, flag) = NFSSVC_BIOD; 390 SCARG(&ouap, argp) = NULL; 391 392 return (sys_nfssvc(l, &ouap, retval)); 393 } 394 #endif /* NFS */ 395 396 void native_to_sunos_sigset __P((const sigset_t *, int *)); 397 void sunos_to_native_sigset __P((const int, sigset_t *)); 398 399 inline void 400 native_to_sunos_sigset(ss, mask) 401 const sigset_t *ss; 402 int *mask; 403 { 404 *mask = ss->__bits[0]; 405 } 406 407 inline void 408 sunos_to_native_sigset(mask, ss) 409 const int mask; 410 sigset_t *ss; 411 { 412 413 ss->__bits[0] = mask; 414 ss->__bits[1] = 0; 415 ss->__bits[2] = 0; 416 ss->__bits[3] = 0; 417 } 418 419 int 420 sunos_sys_sigpending(l, v, retval) 421 struct lwp *l; 422 void *v; 423 register_t *retval; 424 { 425 struct sunos_sys_sigpending_args *uap = v; 426 sigset_t ss; 427 int mask; 428 429 sigpending1(l, &ss); 430 native_to_sunos_sigset(&ss, &mask); 431 432 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 433 } 434 435 int 436 sunos_sys_sigsuspend(l, v, retval) 437 struct lwp *l; 438 void *v; 439 register_t *retval; 440 { 441 struct sunos_sys_sigsuspend_args /* { 442 syscallarg(int) mask; 443 } */ *uap = v; 444 int mask; 445 sigset_t ss; 446 447 mask = SCARG(uap, mask); 448 sunos_to_native_sigset(mask, &ss); 449 return (sigsuspend1(l, &ss)); 450 } 451 452 /* 453 * Read Sun-style directory entries. We suck them into kernel space so 454 * that they can be massaged before being copied out to user code. Like 455 * SunOS, we squish out `empty' entries. 456 * 457 * This is quite ugly, but what do you expect from compatibility code? 458 */ 459 int 460 sunos_sys_getdents(l, v, retval) 461 struct lwp *l; 462 void *v; 463 register_t *retval; 464 { 465 struct sunos_sys_getdents_args *uap = v; 466 struct proc *p = l->l_proc; 467 struct dirent *bdp; 468 struct vnode *vp; 469 char *inp, *buf; /* BSD-format */ 470 int len, reclen; /* BSD-format */ 471 char *outp; /* Sun-format */ 472 int resid, sunos_reclen;/* Sun-format */ 473 struct file *fp; 474 struct uio auio; 475 struct iovec aiov; 476 struct sunos_dirent idb; 477 off_t off; /* true file offset */ 478 int buflen, error, eofflag; 479 off_t *cookiebuf, *cookie; 480 int ncookies; 481 482 /* getvnode() will use the descriptor for us */ 483 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 484 return (error); 485 486 if ((fp->f_flag & FREAD) == 0) { 487 error = EBADF; 488 goto out1; 489 } 490 491 vp = (struct vnode *)fp->f_data; 492 if (vp->v_type != VDIR) { 493 error = EINVAL; 494 goto out1; 495 } 496 497 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 498 buf = malloc(buflen, M_TEMP, M_WAITOK); 499 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 500 off = fp->f_offset; 501 again: 502 aiov.iov_base = buf; 503 aiov.iov_len = buflen; 504 auio.uio_iov = &aiov; 505 auio.uio_iovcnt = 1; 506 auio.uio_rw = UIO_READ; 507 auio.uio_resid = buflen; 508 auio.uio_offset = off; 509 UIO_SETUP_SYSSPACE(&auio); 510 /* 511 * First we read into the malloc'ed buffer, then 512 * we massage it into user space, one record at a time. 513 */ 514 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 515 &ncookies); 516 if (error) 517 goto out; 518 519 inp = buf; 520 outp = SCARG(uap, buf); 521 resid = SCARG(uap, nbytes); 522 if ((len = buflen - auio.uio_resid) == 0) 523 goto eof; 524 525 for (cookie = cookiebuf; len > 0; len -= reclen) { 526 bdp = (struct dirent *)inp; 527 reclen = bdp->d_reclen; 528 if (reclen & 3) 529 panic("sunos_getdents"); 530 if ((*cookie >> 32) != 0) { 531 compat_offseterr(vp, "sunos_getdents"); 532 error = EINVAL; 533 goto out; 534 } 535 if (bdp->d_fileno == 0) { 536 inp += reclen; /* it is a hole; squish it out */ 537 if (cookie) 538 off = *cookie++; 539 else 540 off += reclen; 541 continue; 542 } 543 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 544 if (reclen > len || resid < sunos_reclen) { 545 /* entry too big for buffer, so just stop */ 546 outp++; 547 break; 548 } 549 if (cookie) 550 off = *cookie++; /* each entry points to next */ 551 else 552 off += reclen; 553 /* 554 * Massage in place to make a Sun-shaped dirent (otherwise 555 * we have to worry about touching user memory outside of 556 * the copyout() call). 557 */ 558 idb.d_fileno = bdp->d_fileno; 559 idb.d_off = off; 560 idb.d_reclen = sunos_reclen; 561 idb.d_namlen = bdp->d_namlen; 562 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 563 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 564 goto out; 565 /* advance past this real entry */ 566 inp += reclen; 567 /* advance output past Sun-shaped entry */ 568 outp += sunos_reclen; 569 resid -= sunos_reclen; 570 } 571 572 /* if we squished out the whole block, try again */ 573 if (outp == SCARG(uap, buf)) 574 goto again; 575 fp->f_offset = off; /* update the vnode offset */ 576 577 eof: 578 *retval = SCARG(uap, nbytes) - resid; 579 out: 580 VOP_UNLOCK(vp, 0); 581 free(cookiebuf, M_TEMP); 582 free(buf, M_TEMP); 583 out1: 584 FILE_UNUSE(fp, l); 585 return (error); 586 } 587 588 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 589 590 int 591 sunos_sys_mmap(l, v, retval) 592 struct lwp *l; 593 void *v; 594 register_t *retval; 595 { 596 struct sunos_sys_mmap_args *uap = v; 597 struct sys_mmap_args ouap; 598 599 /* 600 * Verify the arguments. 601 */ 602 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 603 return (EINVAL); /* XXX still needed? */ 604 605 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 606 return (EINVAL); 607 608 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 609 SCARG(&ouap, addr) = SCARG(uap, addr); 610 SCARG(&ouap, len) = SCARG(uap, len); 611 SCARG(&ouap, prot) = SCARG(uap, prot); 612 SCARG(&ouap, fd) = SCARG(uap, fd); 613 SCARG(&ouap, pos) = SCARG(uap, pos); 614 615 return (sys_mmap(l, &ouap, retval)); 616 } 617 618 #define MC_SYNC 1 619 #define MC_LOCK 2 620 #define MC_UNLOCK 3 621 #define MC_ADVISE 4 622 #define MC_LOCKAS 5 623 #define MC_UNLOCKAS 6 624 625 int 626 sunos_sys_mctl(l, v, retval) 627 struct lwp *l; 628 void *v; 629 register_t *retval; 630 { 631 struct sunos_sys_mctl_args *uap = v; 632 633 switch (SCARG(uap, func)) { 634 case MC_ADVISE: /* ignore for now */ 635 return (0); 636 case MC_SYNC: /* translate to msync */ 637 return (sys___msync13(l, uap, retval)); 638 default: 639 return (EINVAL); 640 } 641 } 642 643 int 644 sunos_sys_setsockopt(l, v, retval) 645 struct lwp *l; 646 void *v; 647 register_t *retval; 648 { 649 struct sunos_sys_setsockopt_args *uap = v; 650 struct proc *p = l->l_proc; 651 struct file *fp; 652 struct mbuf *m = NULL; 653 int error; 654 655 /* getsock() will use the descriptor for us */ 656 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 657 return (error); 658 #define SO_DONTLINGER (~SO_LINGER) 659 if (SCARG(uap, name) == SO_DONTLINGER) { 660 m = m_get(M_WAIT, MT_SOOPTS); 661 mtod(m, struct linger *)->l_onoff = 0; 662 m->m_len = sizeof(struct linger); 663 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 664 SO_LINGER, m); 665 goto out; 666 } 667 if (SCARG(uap, level) == IPPROTO_IP) { 668 #define SUNOS_IP_MULTICAST_IF 2 669 #define SUNOS_IP_MULTICAST_TTL 3 670 #define SUNOS_IP_MULTICAST_LOOP 4 671 #define SUNOS_IP_ADD_MEMBERSHIP 5 672 #define SUNOS_IP_DROP_MEMBERSHIP 6 673 static const int ipoptxlat[] = { 674 IP_MULTICAST_IF, 675 IP_MULTICAST_TTL, 676 IP_MULTICAST_LOOP, 677 IP_ADD_MEMBERSHIP, 678 IP_DROP_MEMBERSHIP 679 }; 680 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 681 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 682 SCARG(uap, name) = 683 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 684 } 685 } 686 if (SCARG(uap, valsize) > MLEN) { 687 error = EINVAL; 688 goto out; 689 } 690 if (SCARG(uap, val)) { 691 m = m_get(M_WAIT, MT_SOOPTS); 692 error = copyin(SCARG(uap, val), mtod(m, void *), 693 (u_int)SCARG(uap, valsize)); 694 if (error) { 695 (void) m_free(m); 696 goto out; 697 } 698 m->m_len = SCARG(uap, valsize); 699 } 700 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 701 SCARG(uap, name), m); 702 out: 703 FILE_UNUSE(fp, l); 704 return (error); 705 } 706 707 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 708 int type); 709 static inline int 710 sunos_sys_socket_common(l, retval, type) 711 struct lwp *l; 712 register_t *retval; 713 int type; 714 { 715 struct socket *so; 716 struct file *fp; 717 int error, fd; 718 719 /* getsock() will use the descriptor for us */ 720 fd = (int)*retval; 721 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 722 so = (struct socket *)fp->f_data; 723 if (type == SOCK_DGRAM) 724 so->so_options |= SO_BROADCAST; 725 } 726 FILE_UNUSE(fp, l); 727 return (error); 728 } 729 730 int 731 sunos_sys_socket(l, v, retval) 732 struct lwp *l; 733 void *v; 734 register_t *retval; 735 { 736 struct sunos_sys_socket_args /* { 737 syscallarg(int) domain; 738 syscallarg(int) type; 739 syscallarg(int) protocol; 740 } */ *uap = v; 741 int error; 742 743 error = compat_30_sys_socket(l, v, retval); 744 if (error) 745 return (error); 746 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 747 } 748 749 int 750 sunos_sys_socketpair(l, v, retval) 751 struct lwp *l; 752 void *v; 753 register_t *retval; 754 { 755 struct sunos_sys_socketpair_args /* { 756 syscallarg(int) domain; 757 syscallarg(int) type; 758 syscallarg(int) protocol; 759 syscallarg(int *) rsv; 760 } */ *uap = v; 761 int error; 762 763 error = sys_socketpair(l, v, retval); 764 if (error) 765 return (error); 766 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 767 } 768 769 /* 770 * XXX: This needs cleaning up. 771 */ 772 int 773 sunos_sys_auditsys(l, v, retval) 774 struct lwp *l; 775 void *v; 776 register_t *retval; 777 { 778 return 0; 779 } 780 781 int 782 sunos_sys_uname(l, v, retval) 783 struct lwp *l; 784 void *v; 785 register_t *retval; 786 { 787 struct sunos_sys_uname_args *uap = v; 788 struct sunos_utsname sut; 789 790 memset(&sut, 0, sizeof(sut)); 791 792 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 793 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 794 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 795 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 796 memcpy(sut.version, "1", sizeof(sut.version) - 1); 797 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 798 799 return copyout((void *)&sut, (void *)SCARG(uap, name), 800 sizeof(struct sunos_utsname)); 801 } 802 803 int 804 sunos_sys_setpgrp(l, v, retval) 805 struct lwp *l; 806 void *v; 807 register_t *retval; 808 { 809 struct sunos_sys_setpgrp_args *uap = v; 810 struct proc *p = l->l_proc; 811 812 /* 813 * difference to our setpgid call is to include backwards 814 * compatibility to pre-setsid() binaries. Do setsid() 815 * instead of setpgid() in those cases where the process 816 * tries to create a new session the old way. 817 */ 818 if (!SCARG(uap, pgid) && 819 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 820 return sys_setsid(l, uap, retval); 821 else 822 return sys_setpgid(l, uap, retval); 823 } 824 825 int 826 sunos_sys_open(l, v, retval) 827 struct lwp *l; 828 void *v; 829 register_t *retval; 830 { 831 struct sunos_sys_open_args *uap = v; 832 struct proc *p = l->l_proc; 833 int smode, nmode; 834 int noctty; 835 int ret; 836 837 /* convert mode into NetBSD mode */ 838 smode = SCARG(uap, flags); 839 noctty = smode & 0x8000; 840 nmode = smode & 841 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 842 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 843 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 844 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 845 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 846 847 SCARG(uap, flags) = nmode; 848 ret = sys_open(l, (struct sys_open_args *)uap, retval); 849 850 /* XXXSMP */ 851 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 852 struct filedesc *fdp = p->p_fd; 853 struct file *fp; 854 855 fp = fd_getfile(fdp, *retval); 856 simple_unlock(&fp->f_slock); 857 858 /* ignore any error, just give it a try */ 859 if (fp != NULL && fp->f_type == DTYPE_VNODE) 860 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (void *)0, l); 861 } 862 return ret; 863 } 864 865 #if defined (NFSSERVER) 866 int 867 sunos_sys_nfssvc(l, v, retval) 868 struct lwp *l; 869 void *v; 870 register_t *retval; 871 { 872 #if 0 873 struct sunos_sys_nfssvc_args *uap = v; 874 struct proc *p = l->l_proc; 875 struct emul *e = p->p_emul; 876 struct sys_nfssvc_args outuap; 877 struct sockaddr sa; 878 int error; 879 void *sg = stackgap_init(p, 0); 880 881 memset(&outuap, 0, sizeof outuap); 882 SCARG(&outuap, fd) = SCARG(uap, fd); 883 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 884 SCARG(&outuap, msklen) = sizeof(sa); 885 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 886 SCARG(&outuap, mtchlen) = sizeof(sa); 887 888 memset(&sa, 0, sizeof sa); 889 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 890 return (error); 891 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 892 return (error); 893 894 return nfssvc(l, &outuap, retval); 895 #else 896 return (ENOSYS); 897 #endif 898 } 899 #endif /* NFSSERVER */ 900 901 int 902 sunos_sys_ustat(l, v, retval) 903 struct lwp *l; 904 void *v; 905 register_t *retval; 906 { 907 struct sunos_sys_ustat_args *uap = v; 908 struct sunos_ustat us; 909 int error; 910 911 memset(&us, 0, sizeof us); 912 913 /* 914 * XXX: should set f_tfree and f_tinode at least 915 * How do we translate dev -> fstat? (and then to sunos_ustat) 916 */ 917 918 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 919 return (error); 920 return 0; 921 } 922 923 int 924 sunos_sys_quotactl(l, v, retval) 925 struct lwp *l; 926 void *v; 927 register_t *retval; 928 { 929 930 return EINVAL; 931 } 932 933 int 934 sunos_sys_vhangup(l, v, retval) 935 struct lwp *l; 936 void *v; 937 register_t *retval; 938 { 939 struct proc *p = l->l_proc; 940 struct session *sp = p->p_session; 941 942 if (sp->s_ttyvp == 0) 943 return 0; 944 945 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 946 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 947 948 (void) ttywait(sp->s_ttyp); 949 if (sp->s_ttyvp) 950 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 951 if (sp->s_ttyvp) 952 vrele(sp->s_ttyvp); 953 sp->s_ttyvp = NULL; 954 955 return 0; 956 } 957 958 static int 959 sunstatfs(sp, buf) 960 struct statvfs *sp; 961 void *buf; 962 { 963 struct sunos_statfs ssfs; 964 965 memset(&ssfs, 0, sizeof ssfs); 966 ssfs.f_type = 0; 967 ssfs.f_bsize = sp->f_bsize; 968 ssfs.f_blocks = sp->f_blocks; 969 ssfs.f_bfree = sp->f_bfree; 970 ssfs.f_bavail = sp->f_bavail; 971 ssfs.f_files = sp->f_files; 972 ssfs.f_ffree = sp->f_ffree; 973 ssfs.f_fsid = sp->f_fsidx; 974 return copyout((void *)&ssfs, buf, sizeof ssfs); 975 } 976 977 int 978 sunos_sys_statfs(l, v, retval) 979 struct lwp *l; 980 void *v; 981 register_t *retval; 982 { 983 struct sunos_sys_statfs_args *uap = v; 984 struct mount *mp; 985 struct statvfs *sp; 986 int error; 987 struct nameidata nd; 988 989 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, SCARG(uap, path), l); 990 if ((error = namei(&nd)) != 0) 991 return (error); 992 mp = nd.ni_vp->v_mount; 993 sp = &mp->mnt_stat; 994 vrele(nd.ni_vp); 995 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 996 return (error); 997 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 998 return sunstatfs(sp, (void *)SCARG(uap, buf)); 999 } 1000 1001 int 1002 sunos_sys_fstatfs(l, v, retval) 1003 struct lwp *l; 1004 void *v; 1005 register_t *retval; 1006 { 1007 struct sunos_sys_fstatfs_args *uap = v; 1008 struct proc *p = l->l_proc; 1009 struct file *fp; 1010 struct mount *mp; 1011 struct statvfs *sp; 1012 int error; 1013 1014 /* getvnode() will use the descriptor for us */ 1015 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1016 return (error); 1017 mp = ((struct vnode *)fp->f_data)->v_mount; 1018 sp = &mp->mnt_stat; 1019 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1020 goto out; 1021 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1022 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 1023 out: 1024 FILE_UNUSE(fp, l); 1025 return (error); 1026 } 1027 1028 int 1029 sunos_sys_exportfs(l, v, retval) 1030 struct lwp *l; 1031 void *v; 1032 register_t *retval; 1033 { 1034 /* 1035 * XXX: should perhaps translate into a mount(2) 1036 * with MOUNT_EXPORT? 1037 */ 1038 return 0; 1039 } 1040 1041 int 1042 sunos_sys_mknod(l, v, retval) 1043 struct lwp *l; 1044 void *v; 1045 register_t *retval; 1046 { 1047 struct sunos_sys_mknod_args *uap = v; 1048 1049 if (S_ISFIFO(SCARG(uap, mode))) 1050 return sys_mkfifo(l, uap, retval); 1051 1052 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1053 } 1054 1055 #define SUNOS_SC_ARG_MAX 1 1056 #define SUNOS_SC_CHILD_MAX 2 1057 #define SUNOS_SC_CLK_TCK 3 1058 #define SUNOS_SC_NGROUPS_MAX 4 1059 #define SUNOS_SC_OPEN_MAX 5 1060 #define SUNOS_SC_JOB_CONTROL 6 1061 #define SUNOS_SC_SAVED_IDS 7 1062 #define SUNOS_SC_VERSION 8 1063 1064 int 1065 sunos_sys_sysconf(l, v, retval) 1066 struct lwp *l; 1067 void *v; 1068 register_t *retval; 1069 { 1070 struct sunos_sys_sysconf_args *uap = v; 1071 extern int maxfiles; 1072 1073 switch(SCARG(uap, name)) { 1074 case SUNOS_SC_ARG_MAX: 1075 *retval = ARG_MAX; 1076 break; 1077 case SUNOS_SC_CHILD_MAX: 1078 *retval = maxproc; 1079 break; 1080 case SUNOS_SC_CLK_TCK: 1081 *retval = 60; /* should this be `hz', ie. 100? */ 1082 break; 1083 case SUNOS_SC_NGROUPS_MAX: 1084 *retval = NGROUPS_MAX; 1085 break; 1086 case SUNOS_SC_OPEN_MAX: 1087 *retval = maxfiles; 1088 break; 1089 case SUNOS_SC_JOB_CONTROL: 1090 *retval = 1; 1091 break; 1092 case SUNOS_SC_SAVED_IDS: 1093 #ifdef _POSIX_SAVED_IDS 1094 *retval = 1; 1095 #else 1096 *retval = 0; 1097 #endif 1098 break; 1099 case SUNOS_SC_VERSION: 1100 *retval = 198808; 1101 break; 1102 default: 1103 return EINVAL; 1104 } 1105 return 0; 1106 } 1107 1108 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1109 #define SUNOS_RLIM_NLIMITS 7 1110 1111 int 1112 sunos_sys_getrlimit(l, v, retval) 1113 struct lwp *l; 1114 void *v; 1115 register_t *retval; 1116 { 1117 struct sunos_sys_getrlimit_args *uap = v; 1118 1119 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1120 return EINVAL; 1121 1122 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1123 SCARG(uap, which) = RLIMIT_NOFILE; 1124 1125 return compat_43_sys_getrlimit(l, uap, retval); 1126 } 1127 1128 int 1129 sunos_sys_setrlimit(l, v, retval) 1130 struct lwp *l; 1131 void *v; 1132 register_t *retval; 1133 { 1134 struct sunos_sys_getrlimit_args *uap = v; 1135 1136 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1137 return EINVAL; 1138 1139 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1140 SCARG(uap, which) = RLIMIT_NOFILE; 1141 1142 return compat_43_sys_setrlimit(l, uap, retval); 1143 } 1144 1145 #if defined(PTRACE) || defined(_LKM) 1146 /* for the m68k machines */ 1147 #ifndef PT_GETFPREGS 1148 #define PT_GETFPREGS -1 1149 #endif 1150 #ifndef PT_SETFPREGS 1151 #define PT_SETFPREGS -1 1152 #endif 1153 1154 static const int sreq2breq[] = { 1155 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1156 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1157 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1158 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1159 }; 1160 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1161 #endif /* PTRACE || _LKM */ 1162 1163 int 1164 sunos_sys_ptrace(l, v, retval) 1165 struct lwp *l; 1166 void *v; 1167 register_t *retval; 1168 { 1169 #if defined(PTRACE) || defined(_LKM) 1170 struct sunos_sys_ptrace_args *uap = v; 1171 struct sys_ptrace_args pa; 1172 int req; 1173 1174 #ifdef _LKM 1175 #define sys_ptrace sysent[SYS_ptrace].sy_call 1176 if (sys_ptrace == sys_nosys) 1177 return ENOSYS; 1178 #endif 1179 1180 req = SCARG(uap, req); 1181 1182 if (req < 0 || req >= nreqs) 1183 return (EINVAL); 1184 1185 req = sreq2breq[req]; 1186 if (req == -1) 1187 return (EINVAL); 1188 1189 SCARG(&pa, req) = req; 1190 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1191 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1192 SCARG(&pa, data) = SCARG(uap, data); 1193 1194 return sys_ptrace(l, &pa, retval); 1195 #else 1196 return ENOSYS; 1197 #endif /* PTRACE || _LKM */ 1198 } 1199 1200 /* 1201 * SunOS reboot system call (for compatibility). 1202 * Sun lets you pass in a boot string which the PROM 1203 * saves and provides to the next boot program. 1204 */ 1205 1206 #define SUNOS_RB_ASKNAME 0x001 1207 #define SUNOS_RB_SINGLE 0x002 1208 #define SUNOS_RB_NOSYNC 0x004 1209 #define SUNOS_RB_HALT 0x008 1210 #define SUNOS_RB_DUMP 0x080 1211 #define SUNOS_RB_STRING 0x200 1212 1213 static struct sunos_howto_conv { 1214 int sun_howto; 1215 int bsd_howto; 1216 } sunos_howto_conv[] = { 1217 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1218 { SUNOS_RB_SINGLE, RB_SINGLE }, 1219 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1220 { SUNOS_RB_HALT, RB_HALT }, 1221 { SUNOS_RB_DUMP, RB_DUMP }, 1222 { SUNOS_RB_STRING, RB_STRING }, 1223 { 0x000, 0 }, 1224 }; 1225 1226 int 1227 sunos_sys_reboot(l, v, retval) 1228 struct lwp *l; 1229 void *v; 1230 register_t *retval; 1231 { 1232 struct sunos_sys_reboot_args *uap = v; 1233 struct sys_reboot_args ua; 1234 struct sunos_howto_conv *convp; 1235 int error, bsd_howto, sun_howto; 1236 char *bootstr; 1237 1238 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1239 0, NULL, NULL, NULL)) != 0) 1240 return (error); 1241 1242 /* 1243 * Convert howto bits to BSD format. 1244 */ 1245 sun_howto = SCARG(uap, howto); 1246 bsd_howto = 0; 1247 convp = sunos_howto_conv; 1248 while (convp->sun_howto) { 1249 if (sun_howto & convp->sun_howto) 1250 bsd_howto |= convp->bsd_howto; 1251 convp++; 1252 } 1253 1254 /* 1255 * Sun RB_STRING (Get user supplied bootstring.) 1256 * If the machine supports passing a string to the 1257 * next booted kernel. 1258 */ 1259 if (sun_howto & SUNOS_RB_STRING) { 1260 char bs[128]; 1261 1262 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1263 1264 if (error) 1265 bootstr = NULL; 1266 else 1267 bootstr = bs; 1268 } else 1269 bootstr = NULL; 1270 1271 SCARG(&ua, opt) = bsd_howto; 1272 SCARG(&ua, bootstr) = bootstr; 1273 sys_reboot(l, &ua, retval); 1274 return(0); 1275 } 1276 1277 /* 1278 * Generalized interface signal handler, 4.3-compatible. 1279 */ 1280 /* ARGSUSED */ 1281 int 1282 sunos_sys_sigvec(l, v, retval) 1283 struct lwp *l; 1284 void *v; 1285 register_t *retval; 1286 { 1287 struct sunos_sys_sigvec_args /* { 1288 syscallarg(int) signum; 1289 syscallarg(struct sigvec *) nsv; 1290 syscallarg(struct sigvec *) osv; 1291 } */ *uap = v; 1292 struct sigvec nsv, osv; 1293 struct sigaction nsa, osa; 1294 int error; 1295 /*XXX*/extern void compat_43_sigvec_to_sigaction 1296 __P((const struct sigvec *, struct sigaction *)); 1297 /*XXX*/extern void compat_43_sigaction_to_sigvec 1298 __P((const struct sigaction *, struct sigvec *)); 1299 1300 if (SCARG(uap, nsv)) { 1301 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1302 if (error != 0) 1303 return (error); 1304 1305 /* 1306 * SunOS uses the mask 0x0004 as SV_RESETHAND 1307 * meaning: `reset to SIG_DFL on delivery'. 1308 * We support only the bits in: 0xF 1309 * (those bits are the same as ours) 1310 */ 1311 if (nsv.sv_flags & ~0xF) 1312 return (EINVAL); 1313 1314 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1315 } 1316 error = sigaction1(l, SCARG(uap, signum), 1317 SCARG(uap, nsv) ? &nsa : 0, 1318 SCARG(uap, osv) ? &osa : 0, 1319 NULL, 0); 1320 if (error != 0) 1321 return (error); 1322 1323 if (SCARG(uap, osv)) { 1324 compat_43_sigaction_to_sigvec(&osa, &osv); 1325 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1326 if (error != 0) 1327 return (error); 1328 } 1329 1330 return (0); 1331 } 1332
Indexes created Tue Oct 14 11:09:46 GMT 2025