sunos_misc.c revision 1.147
1 /* $NetBSD: sunos_misc.c,v 1.147 2007/04/22 08:29:59 dsl 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 1.147 2007/04/22 08:29:59 dsl 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 return (sys_access(l, uap, retval)); 177 } 178 179 int 180 sunos_sys_stat(l, v, retval) 181 struct lwp *l; 182 void *v; 183 register_t *retval; 184 { 185 return (compat_43_sys_stat(l, uap, retval)); 186 } 187 188 int 189 sunos_sys_lstat(l, v, retval) 190 struct lwp *l; 191 void *v; 192 register_t *retval; 193 { 194 return (compat_43_sys_lstat(l, uap, retval)); 195 } 196 197 int 198 sunos_sys_execv(l, v, retval) 199 struct lwp *l; 200 void *v; 201 register_t *retval; 202 { 203 struct sunos_sys_execv_args /* { 204 syscallarg(const char *) path; 205 syscallarg(char **) argv; 206 } */ *uap = v; 207 struct sys_execve_args ap; 208 209 SCARG(&ap, path) = SCARG(uap, path); 210 SCARG(&ap, argp) = SCARG(uap, argp); 211 SCARG(&ap, envp) = NULL; 212 213 return (sys_execve(l, &ap, retval)); 214 } 215 216 int 217 sunos_sys_execve(l, v, retval) 218 struct lwp *l; 219 void *v; 220 register_t *retval; 221 { 222 struct sunos_sys_execve_args /* { 223 syscallarg(const char *) path; 224 syscallarg(char **) argv; 225 syscallarg(char **) envp; 226 } */ *uap = v; 227 struct sys_execve_args ap; 228 229 SCARG(&ap, path) = SCARG(uap, path); 230 SCARG(&ap, argp) = SCARG(uap, argp); 231 SCARG(&ap, envp) = SCARG(uap, envp); 232 233 return (sys_execve(l, &ap, retval)); 234 } 235 236 int 237 sunos_sys_omsync(l, v, retval) 238 struct lwp *l; 239 void *v; 240 register_t *retval; 241 { 242 struct sunos_sys_omsync_args *uap = v; 243 struct sys___msync13_args ouap; 244 245 SCARG(&ouap, addr) = SCARG(uap, addr); 246 SCARG(&ouap, len) = SCARG(uap, len); 247 SCARG(&ouap, flags) = SCARG(uap, flags); 248 249 return (sys___msync13(l, &ouap, retval)); 250 } 251 252 int 253 sunos_sys_unmount(l, v, retval) 254 struct lwp *l; 255 void *v; 256 register_t *retval; 257 { 258 struct sunos_sys_unmount_args *uap = v; 259 struct sys_unmount_args ouap; 260 261 SCARG(&ouap, path) = SCARG(uap, path); 262 SCARG(&ouap, flags) = 0; 263 264 return (sys_unmount(l, &ouap, retval)); 265 } 266 267 /* 268 * Conversion table for SunOS NFS mount flags. 269 */ 270 static struct { 271 int sun_flg; 272 int bsd_flg; 273 } sunnfs_flgtab[] = { 274 { SUNNFS_SOFT, NFSMNT_SOFT }, 275 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 276 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 277 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 278 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 279 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 280 { SUNNFS_INT, NFSMNT_INT }, 281 { SUNNFS_NOAC, 0 }, /* Ignored */ 282 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 283 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 284 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 285 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 286 { SUNNFS_SECURE, 0 }, /* Ignored */ 287 { SUNNFS_NOCTO, 0 }, /* Ignored */ 288 { SUNNFS_POSIX, 0 } /* Ignored */ 289 }; 290 291 int 292 sunos_sys_mount(l, v, retval) 293 struct lwp *l; 294 void *v; 295 register_t *retval; 296 { 297 struct sunos_sys_mount_args *uap = v; 298 struct proc *p = l->l_proc; 299 int oflags = SCARG(uap, flags), nflags, error; 300 char fsname[MFSNAMELEN]; 301 void *sg = stackgap_init(p, 0); 302 303 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 304 return (EINVAL); 305 if ((oflags & SUNM_NEWTYPE) == 0) 306 return (EINVAL); 307 nflags = 0; 308 if (oflags & SUNM_RDONLY) 309 nflags |= MNT_RDONLY; 310 if (oflags & SUNM_NOSUID) 311 nflags |= MNT_NOSUID; 312 if (oflags & SUNM_REMOUNT) 313 nflags |= MNT_UPDATE; 314 SCARG(uap, flags) = nflags; 315 316 error = copyinstr((void *)SCARG(uap, type), fsname, 317 sizeof fsname, (size_t *)0); 318 if (error) 319 return (error); 320 321 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 322 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 323 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 324 if (error) 325 return (error); 326 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 327 struct sunos_nfs_args sna; 328 struct sockaddr_in sain; 329 struct nfs_args na; 330 struct sockaddr sa; 331 int n; 332 333 error = copyin(SCARG(uap, data), &sna, sizeof sna); 334 if (error) 335 return (error); 336 error = copyin(sna.addr, &sain, sizeof sain); 337 if (error) 338 return (error); 339 memcpy(&sa, &sain, sizeof sa); 340 sa.sa_len = sizeof(sain); 341 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 342 na.version = NFS_ARGSVERSION; 343 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 344 na.addrlen = sizeof(struct sockaddr); 345 na.sotype = SOCK_DGRAM; 346 na.proto = IPPROTO_UDP; 347 na.fh = (void *)sna.fh; 348 na.fhsize = NFSX_V2FH; 349 na.flags = 0; 350 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 351 while (--n >= 0) 352 if (sna.flags & sunnfs_flgtab[n].sun_flg) 353 na.flags |= sunnfs_flgtab[n].bsd_flg; 354 na.wsize = sna.wsize; 355 na.rsize = sna.rsize; 356 if (na.flags & NFSMNT_RSIZE) { 357 na.flags |= NFSMNT_READDIRSIZE; 358 na.readdirsize = na.rsize; 359 } 360 na.timeo = sna.timeo; 361 na.retrans = sna.retrans; 362 na.hostname = (char *)(u_long)sna.hostname; 363 364 error = copyout(&sa, na.addr, sizeof sa); 365 if (error) 366 return (error); 367 error = copyout(&na, SCARG(uap, data), sizeof na); 368 if (error) 369 return (error); 370 } 371 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 372 } 373 374 #if defined(NFS) 375 int 376 async_daemon(l, v, retval) 377 struct lwp *l; 378 void *v; 379 register_t *retval; 380 { 381 struct sys_nfssvc_args ouap; 382 383 SCARG(&ouap, flag) = NFSSVC_BIOD; 384 SCARG(&ouap, argp) = NULL; 385 386 return (sys_nfssvc(l, &ouap, retval)); 387 } 388 #endif /* NFS */ 389 390 void native_to_sunos_sigset __P((const sigset_t *, int *)); 391 void sunos_to_native_sigset __P((const int, sigset_t *)); 392 393 inline void 394 native_to_sunos_sigset(ss, mask) 395 const sigset_t *ss; 396 int *mask; 397 { 398 *mask = ss->__bits[0]; 399 } 400 401 inline void 402 sunos_to_native_sigset(mask, ss) 403 const int mask; 404 sigset_t *ss; 405 { 406 407 ss->__bits[0] = mask; 408 ss->__bits[1] = 0; 409 ss->__bits[2] = 0; 410 ss->__bits[3] = 0; 411 } 412 413 int 414 sunos_sys_sigpending(l, v, retval) 415 struct lwp *l; 416 void *v; 417 register_t *retval; 418 { 419 struct sunos_sys_sigpending_args *uap = v; 420 sigset_t ss; 421 int mask; 422 423 sigpending1(l, &ss); 424 native_to_sunos_sigset(&ss, &mask); 425 426 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 427 } 428 429 int 430 sunos_sys_sigsuspend(l, v, retval) 431 struct lwp *l; 432 void *v; 433 register_t *retval; 434 { 435 struct sunos_sys_sigsuspend_args /* { 436 syscallarg(int) mask; 437 } */ *uap = v; 438 int mask; 439 sigset_t ss; 440 441 mask = SCARG(uap, mask); 442 sunos_to_native_sigset(mask, &ss); 443 return (sigsuspend1(l, &ss)); 444 } 445 446 /* 447 * Read Sun-style directory entries. We suck them into kernel space so 448 * that they can be massaged before being copied out to user code. Like 449 * SunOS, we squish out `empty' entries. 450 * 451 * This is quite ugly, but what do you expect from compatibility code? 452 */ 453 int 454 sunos_sys_getdents(l, v, retval) 455 struct lwp *l; 456 void *v; 457 register_t *retval; 458 { 459 struct sunos_sys_getdents_args *uap = v; 460 struct proc *p = l->l_proc; 461 struct dirent *bdp; 462 struct vnode *vp; 463 char *inp, *buf; /* BSD-format */ 464 int len, reclen; /* BSD-format */ 465 char *outp; /* Sun-format */ 466 int resid, sunos_reclen;/* Sun-format */ 467 struct file *fp; 468 struct uio auio; 469 struct iovec aiov; 470 struct sunos_dirent idb; 471 off_t off; /* true file offset */ 472 int buflen, error, eofflag; 473 off_t *cookiebuf, *cookie; 474 int ncookies; 475 476 /* getvnode() will use the descriptor for us */ 477 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 478 return (error); 479 480 if ((fp->f_flag & FREAD) == 0) { 481 error = EBADF; 482 goto out1; 483 } 484 485 vp = (struct vnode *)fp->f_data; 486 if (vp->v_type != VDIR) { 487 error = EINVAL; 488 goto out1; 489 } 490 491 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 492 buf = malloc(buflen, M_TEMP, M_WAITOK); 493 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 494 off = fp->f_offset; 495 again: 496 aiov.iov_base = buf; 497 aiov.iov_len = buflen; 498 auio.uio_iov = &aiov; 499 auio.uio_iovcnt = 1; 500 auio.uio_rw = UIO_READ; 501 auio.uio_resid = buflen; 502 auio.uio_offset = off; 503 UIO_SETUP_SYSSPACE(&auio); 504 /* 505 * First we read into the malloc'ed buffer, then 506 * we massage it into user space, one record at a time. 507 */ 508 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 509 &ncookies); 510 if (error) 511 goto out; 512 513 inp = buf; 514 outp = SCARG(uap, buf); 515 resid = SCARG(uap, nbytes); 516 if ((len = buflen - auio.uio_resid) == 0) 517 goto eof; 518 519 for (cookie = cookiebuf; len > 0; len -= reclen) { 520 bdp = (struct dirent *)inp; 521 reclen = bdp->d_reclen; 522 if (reclen & 3) 523 panic("sunos_getdents"); 524 if ((*cookie >> 32) != 0) { 525 compat_offseterr(vp, "sunos_getdents"); 526 error = EINVAL; 527 goto out; 528 } 529 if (bdp->d_fileno == 0) { 530 inp += reclen; /* it is a hole; squish it out */ 531 if (cookie) 532 off = *cookie++; 533 else 534 off += reclen; 535 continue; 536 } 537 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 538 if (reclen > len || resid < sunos_reclen) { 539 /* entry too big for buffer, so just stop */ 540 outp++; 541 break; 542 } 543 if (cookie) 544 off = *cookie++; /* each entry points to next */ 545 else 546 off += reclen; 547 /* 548 * Massage in place to make a Sun-shaped dirent (otherwise 549 * we have to worry about touching user memory outside of 550 * the copyout() call). 551 */ 552 idb.d_fileno = bdp->d_fileno; 553 idb.d_off = off; 554 idb.d_reclen = sunos_reclen; 555 idb.d_namlen = bdp->d_namlen; 556 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 557 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 558 goto out; 559 /* advance past this real entry */ 560 inp += reclen; 561 /* advance output past Sun-shaped entry */ 562 outp += sunos_reclen; 563 resid -= sunos_reclen; 564 } 565 566 /* if we squished out the whole block, try again */ 567 if (outp == SCARG(uap, buf)) 568 goto again; 569 fp->f_offset = off; /* update the vnode offset */ 570 571 eof: 572 *retval = SCARG(uap, nbytes) - resid; 573 out: 574 VOP_UNLOCK(vp, 0); 575 free(cookiebuf, M_TEMP); 576 free(buf, M_TEMP); 577 out1: 578 FILE_UNUSE(fp, l); 579 return (error); 580 } 581 582 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 583 584 int 585 sunos_sys_mmap(l, v, retval) 586 struct lwp *l; 587 void *v; 588 register_t *retval; 589 { 590 struct sunos_sys_mmap_args *uap = v; 591 struct sys_mmap_args ouap; 592 593 /* 594 * Verify the arguments. 595 */ 596 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 597 return (EINVAL); /* XXX still needed? */ 598 599 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 600 return (EINVAL); 601 602 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 603 SCARG(&ouap, addr) = SCARG(uap, addr); 604 SCARG(&ouap, len) = SCARG(uap, len); 605 SCARG(&ouap, prot) = SCARG(uap, prot); 606 SCARG(&ouap, fd) = SCARG(uap, fd); 607 SCARG(&ouap, pos) = SCARG(uap, pos); 608 609 return (sys_mmap(l, &ouap, retval)); 610 } 611 612 #define MC_SYNC 1 613 #define MC_LOCK 2 614 #define MC_UNLOCK 3 615 #define MC_ADVISE 4 616 #define MC_LOCKAS 5 617 #define MC_UNLOCKAS 6 618 619 int 620 sunos_sys_mctl(l, v, retval) 621 struct lwp *l; 622 void *v; 623 register_t *retval; 624 { 625 struct sunos_sys_mctl_args *uap = v; 626 627 switch (SCARG(uap, func)) { 628 case MC_ADVISE: /* ignore for now */ 629 return (0); 630 case MC_SYNC: /* translate to msync */ 631 return (sys___msync13(l, uap, retval)); 632 default: 633 return (EINVAL); 634 } 635 } 636 637 int 638 sunos_sys_setsockopt(l, v, retval) 639 struct lwp *l; 640 void *v; 641 register_t *retval; 642 { 643 struct sunos_sys_setsockopt_args *uap = v; 644 struct proc *p = l->l_proc; 645 struct file *fp; 646 struct mbuf *m = NULL; 647 int error; 648 649 /* getsock() will use the descriptor for us */ 650 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 651 return (error); 652 #define SO_DONTLINGER (~SO_LINGER) 653 if (SCARG(uap, name) == SO_DONTLINGER) { 654 m = m_get(M_WAIT, MT_SOOPTS); 655 mtod(m, struct linger *)->l_onoff = 0; 656 m->m_len = sizeof(struct linger); 657 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 658 SO_LINGER, m); 659 goto out; 660 } 661 if (SCARG(uap, level) == IPPROTO_IP) { 662 #define SUNOS_IP_MULTICAST_IF 2 663 #define SUNOS_IP_MULTICAST_TTL 3 664 #define SUNOS_IP_MULTICAST_LOOP 4 665 #define SUNOS_IP_ADD_MEMBERSHIP 5 666 #define SUNOS_IP_DROP_MEMBERSHIP 6 667 static const int ipoptxlat[] = { 668 IP_MULTICAST_IF, 669 IP_MULTICAST_TTL, 670 IP_MULTICAST_LOOP, 671 IP_ADD_MEMBERSHIP, 672 IP_DROP_MEMBERSHIP 673 }; 674 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 675 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 676 SCARG(uap, name) = 677 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 678 } 679 } 680 if (SCARG(uap, valsize) > MLEN) { 681 error = EINVAL; 682 goto out; 683 } 684 if (SCARG(uap, val)) { 685 m = m_get(M_WAIT, MT_SOOPTS); 686 error = copyin(SCARG(uap, val), mtod(m, void *), 687 (u_int)SCARG(uap, valsize)); 688 if (error) { 689 (void) m_free(m); 690 goto out; 691 } 692 m->m_len = SCARG(uap, valsize); 693 } 694 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 695 SCARG(uap, name), m); 696 out: 697 FILE_UNUSE(fp, l); 698 return (error); 699 } 700 701 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 702 int type); 703 static inline int 704 sunos_sys_socket_common(l, retval, type) 705 struct lwp *l; 706 register_t *retval; 707 int type; 708 { 709 struct socket *so; 710 struct file *fp; 711 int error, fd; 712 713 /* getsock() will use the descriptor for us */ 714 fd = (int)*retval; 715 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 716 so = (struct socket *)fp->f_data; 717 if (type == SOCK_DGRAM) 718 so->so_options |= SO_BROADCAST; 719 } 720 FILE_UNUSE(fp, l); 721 return (error); 722 } 723 724 int 725 sunos_sys_socket(l, v, retval) 726 struct lwp *l; 727 void *v; 728 register_t *retval; 729 { 730 struct sunos_sys_socket_args /* { 731 syscallarg(int) domain; 732 syscallarg(int) type; 733 syscallarg(int) protocol; 734 } */ *uap = v; 735 int error; 736 737 error = compat_30_sys_socket(l, v, retval); 738 if (error) 739 return (error); 740 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 741 } 742 743 int 744 sunos_sys_socketpair(l, v, retval) 745 struct lwp *l; 746 void *v; 747 register_t *retval; 748 { 749 struct sunos_sys_socketpair_args /* { 750 syscallarg(int) domain; 751 syscallarg(int) type; 752 syscallarg(int) protocol; 753 syscallarg(int *) rsv; 754 } */ *uap = v; 755 int error; 756 757 error = sys_socketpair(l, v, retval); 758 if (error) 759 return (error); 760 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 761 } 762 763 /* 764 * XXX: This needs cleaning up. 765 */ 766 int 767 sunos_sys_auditsys(l, v, retval) 768 struct lwp *l; 769 void *v; 770 register_t *retval; 771 { 772 return 0; 773 } 774 775 int 776 sunos_sys_uname(l, v, retval) 777 struct lwp *l; 778 void *v; 779 register_t *retval; 780 { 781 struct sunos_sys_uname_args *uap = v; 782 struct sunos_utsname sut; 783 784 memset(&sut, 0, sizeof(sut)); 785 786 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 787 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 788 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 789 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 790 memcpy(sut.version, "1", sizeof(sut.version) - 1); 791 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 792 793 return copyout((void *)&sut, (void *)SCARG(uap, name), 794 sizeof(struct sunos_utsname)); 795 } 796 797 int 798 sunos_sys_setpgrp(l, v, retval) 799 struct lwp *l; 800 void *v; 801 register_t *retval; 802 { 803 struct sunos_sys_setpgrp_args *uap = v; 804 struct proc *p = l->l_proc; 805 806 /* 807 * difference to our setpgid call is to include backwards 808 * compatibility to pre-setsid() binaries. Do setsid() 809 * instead of setpgid() in those cases where the process 810 * tries to create a new session the old way. 811 */ 812 if (!SCARG(uap, pgid) && 813 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 814 return sys_setsid(l, uap, retval); 815 else 816 return sys_setpgid(l, uap, retval); 817 } 818 819 int 820 sunos_sys_open(l, v, retval) 821 struct lwp *l; 822 void *v; 823 register_t *retval; 824 { 825 struct sunos_sys_open_args *uap = v; 826 int smode, nmode; 827 int noctty; 828 int ret; 829 830 /* convert mode into NetBSD mode */ 831 smode = SCARG(uap, flags); 832 noctty = smode & 0x8000; 833 nmode = smode & 834 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 835 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 836 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 837 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 838 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 839 840 SCARG(uap, flags) = nmode; 841 ret = sys_open(l, (struct sys_open_args *)uap, retval); 842 843 /* XXXSMP */ 844 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 845 struct filedesc *fdp = p->p_fd; 846 struct file *fp; 847 848 fp = fd_getfile(fdp, *retval); 849 simple_unlock(&fp->f_slock); 850 851 /* ignore any error, just give it a try */ 852 if (fp != NULL && fp->f_type == DTYPE_VNODE) 853 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (void *)0, l); 854 } 855 return ret; 856 } 857 858 #if defined (NFSSERVER) 859 int 860 sunos_sys_nfssvc(l, v, retval) 861 struct lwp *l; 862 void *v; 863 register_t *retval; 864 { 865 #if 0 866 struct sunos_sys_nfssvc_args *uap = v; 867 struct proc *p = l->l_proc; 868 struct emul *e = p->p_emul; 869 struct sys_nfssvc_args outuap; 870 struct sockaddr sa; 871 int error; 872 void *sg = stackgap_init(p, 0); 873 874 memset(&outuap, 0, sizeof outuap); 875 SCARG(&outuap, fd) = SCARG(uap, fd); 876 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 877 SCARG(&outuap, msklen) = sizeof(sa); 878 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 879 SCARG(&outuap, mtchlen) = sizeof(sa); 880 881 memset(&sa, 0, sizeof sa); 882 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 883 return (error); 884 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 885 return (error); 886 887 return nfssvc(l, &outuap, retval); 888 #else 889 return (ENOSYS); 890 #endif 891 } 892 #endif /* NFSSERVER */ 893 894 int 895 sunos_sys_ustat(l, v, retval) 896 struct lwp *l; 897 void *v; 898 register_t *retval; 899 { 900 struct sunos_sys_ustat_args *uap = v; 901 struct sunos_ustat us; 902 int error; 903 904 memset(&us, 0, sizeof us); 905 906 /* 907 * XXX: should set f_tfree and f_tinode at least 908 * How do we translate dev -> fstat? (and then to sunos_ustat) 909 */ 910 911 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 912 return (error); 913 return 0; 914 } 915 916 int 917 sunos_sys_quotactl(l, v, retval) 918 struct lwp *l; 919 void *v; 920 register_t *retval; 921 { 922 923 return EINVAL; 924 } 925 926 int 927 sunos_sys_vhangup(l, v, retval) 928 struct lwp *l; 929 void *v; 930 register_t *retval; 931 { 932 struct proc *p = l->l_proc; 933 struct session *sp = p->p_session; 934 935 if (sp->s_ttyvp == 0) 936 return 0; 937 938 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 939 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 940 941 (void) ttywait(sp->s_ttyp); 942 if (sp->s_ttyvp) 943 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 944 if (sp->s_ttyvp) 945 vrele(sp->s_ttyvp); 946 sp->s_ttyvp = NULL; 947 948 return 0; 949 } 950 951 static int 952 sunstatfs(sp, buf) 953 struct statvfs *sp; 954 void *buf; 955 { 956 struct sunos_statfs ssfs; 957 958 memset(&ssfs, 0, sizeof ssfs); 959 ssfs.f_type = 0; 960 ssfs.f_bsize = sp->f_bsize; 961 ssfs.f_blocks = sp->f_blocks; 962 ssfs.f_bfree = sp->f_bfree; 963 ssfs.f_bavail = sp->f_bavail; 964 ssfs.f_files = sp->f_files; 965 ssfs.f_ffree = sp->f_ffree; 966 ssfs.f_fsid = sp->f_fsidx; 967 return copyout((void *)&ssfs, buf, sizeof ssfs); 968 } 969 970 int 971 sunos_sys_statfs(l, v, retval) 972 struct lwp *l; 973 void *v; 974 register_t *retval; 975 { 976 struct sunos_sys_statfs_args *uap = v; 977 struct mount *mp; 978 struct statvfs *sp; 979 int error; 980 struct nameidata nd; 981 982 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, SCARG(uap, path), l); 983 if ((error = namei(&nd)) != 0) 984 return (error); 985 mp = nd.ni_vp->v_mount; 986 sp = &mp->mnt_stat; 987 vrele(nd.ni_vp); 988 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 989 return (error); 990 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 991 return sunstatfs(sp, (void *)SCARG(uap, buf)); 992 } 993 994 int 995 sunos_sys_fstatfs(l, v, retval) 996 struct lwp *l; 997 void *v; 998 register_t *retval; 999 { 1000 struct sunos_sys_fstatfs_args *uap = v; 1001 struct proc *p = l->l_proc; 1002 struct file *fp; 1003 struct mount *mp; 1004 struct statvfs *sp; 1005 int error; 1006 1007 /* getvnode() will use the descriptor for us */ 1008 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1009 return (error); 1010 mp = ((struct vnode *)fp->f_data)->v_mount; 1011 sp = &mp->mnt_stat; 1012 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1013 goto out; 1014 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1015 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 1016 out: 1017 FILE_UNUSE(fp, l); 1018 return (error); 1019 } 1020 1021 int 1022 sunos_sys_exportfs(l, v, retval) 1023 struct lwp *l; 1024 void *v; 1025 register_t *retval; 1026 { 1027 /* 1028 * XXX: should perhaps translate into a mount(2) 1029 * with MOUNT_EXPORT? 1030 */ 1031 return 0; 1032 } 1033 1034 int 1035 sunos_sys_mknod(l, v, retval) 1036 struct lwp *l; 1037 void *v; 1038 register_t *retval; 1039 { 1040 struct sunos_sys_mknod_args *uap = v; 1041 1042 if (S_ISFIFO(SCARG(uap, mode))) 1043 return sys_mkfifo(l, uap, retval); 1044 1045 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1046 } 1047 1048 #define SUNOS_SC_ARG_MAX 1 1049 #define SUNOS_SC_CHILD_MAX 2 1050 #define SUNOS_SC_CLK_TCK 3 1051 #define SUNOS_SC_NGROUPS_MAX 4 1052 #define SUNOS_SC_OPEN_MAX 5 1053 #define SUNOS_SC_JOB_CONTROL 6 1054 #define SUNOS_SC_SAVED_IDS 7 1055 #define SUNOS_SC_VERSION 8 1056 1057 int 1058 sunos_sys_sysconf(l, v, retval) 1059 struct lwp *l; 1060 void *v; 1061 register_t *retval; 1062 { 1063 struct sunos_sys_sysconf_args *uap = v; 1064 extern int maxfiles; 1065 1066 switch(SCARG(uap, name)) { 1067 case SUNOS_SC_ARG_MAX: 1068 *retval = ARG_MAX; 1069 break; 1070 case SUNOS_SC_CHILD_MAX: 1071 *retval = maxproc; 1072 break; 1073 case SUNOS_SC_CLK_TCK: 1074 *retval = 60; /* should this be `hz', ie. 100? */ 1075 break; 1076 case SUNOS_SC_NGROUPS_MAX: 1077 *retval = NGROUPS_MAX; 1078 break; 1079 case SUNOS_SC_OPEN_MAX: 1080 *retval = maxfiles; 1081 break; 1082 case SUNOS_SC_JOB_CONTROL: 1083 *retval = 1; 1084 break; 1085 case SUNOS_SC_SAVED_IDS: 1086 #ifdef _POSIX_SAVED_IDS 1087 *retval = 1; 1088 #else 1089 *retval = 0; 1090 #endif 1091 break; 1092 case SUNOS_SC_VERSION: 1093 *retval = 198808; 1094 break; 1095 default: 1096 return EINVAL; 1097 } 1098 return 0; 1099 } 1100 1101 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1102 #define SUNOS_RLIM_NLIMITS 7 1103 1104 int 1105 sunos_sys_getrlimit(l, v, retval) 1106 struct lwp *l; 1107 void *v; 1108 register_t *retval; 1109 { 1110 struct sunos_sys_getrlimit_args *uap = v; 1111 1112 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1113 return EINVAL; 1114 1115 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1116 SCARG(uap, which) = RLIMIT_NOFILE; 1117 1118 return compat_43_sys_getrlimit(l, uap, retval); 1119 } 1120 1121 int 1122 sunos_sys_setrlimit(l, v, retval) 1123 struct lwp *l; 1124 void *v; 1125 register_t *retval; 1126 { 1127 struct sunos_sys_getrlimit_args *uap = v; 1128 1129 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1130 return EINVAL; 1131 1132 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1133 SCARG(uap, which) = RLIMIT_NOFILE; 1134 1135 return compat_43_sys_setrlimit(l, uap, retval); 1136 } 1137 1138 #if defined(PTRACE) || defined(_LKM) 1139 /* for the m68k machines */ 1140 #ifndef PT_GETFPREGS 1141 #define PT_GETFPREGS -1 1142 #endif 1143 #ifndef PT_SETFPREGS 1144 #define PT_SETFPREGS -1 1145 #endif 1146 1147 static const int sreq2breq[] = { 1148 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1149 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1150 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1151 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1152 }; 1153 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1154 #endif /* PTRACE || _LKM */ 1155 1156 int 1157 sunos_sys_ptrace(l, v, retval) 1158 struct lwp *l; 1159 void *v; 1160 register_t *retval; 1161 { 1162 #if defined(PTRACE) || defined(_LKM) 1163 struct sunos_sys_ptrace_args *uap = v; 1164 struct sys_ptrace_args pa; 1165 int req; 1166 1167 #ifdef _LKM 1168 #define sys_ptrace sysent[SYS_ptrace].sy_call 1169 if (sys_ptrace == sys_nosys) 1170 return ENOSYS; 1171 #endif 1172 1173 req = SCARG(uap, req); 1174 1175 if (req < 0 || req >= nreqs) 1176 return (EINVAL); 1177 1178 req = sreq2breq[req]; 1179 if (req == -1) 1180 return (EINVAL); 1181 1182 SCARG(&pa, req) = req; 1183 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1184 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1185 SCARG(&pa, data) = SCARG(uap, data); 1186 1187 return sys_ptrace(l, &pa, retval); 1188 #else 1189 return ENOSYS; 1190 #endif /* PTRACE || _LKM */ 1191 } 1192 1193 /* 1194 * SunOS reboot system call (for compatibility). 1195 * Sun lets you pass in a boot string which the PROM 1196 * saves and provides to the next boot program. 1197 */ 1198 1199 #define SUNOS_RB_ASKNAME 0x001 1200 #define SUNOS_RB_SINGLE 0x002 1201 #define SUNOS_RB_NOSYNC 0x004 1202 #define SUNOS_RB_HALT 0x008 1203 #define SUNOS_RB_DUMP 0x080 1204 #define SUNOS_RB_STRING 0x200 1205 1206 static struct sunos_howto_conv { 1207 int sun_howto; 1208 int bsd_howto; 1209 } sunos_howto_conv[] = { 1210 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1211 { SUNOS_RB_SINGLE, RB_SINGLE }, 1212 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1213 { SUNOS_RB_HALT, RB_HALT }, 1214 { SUNOS_RB_DUMP, RB_DUMP }, 1215 { SUNOS_RB_STRING, RB_STRING }, 1216 { 0x000, 0 }, 1217 }; 1218 1219 int 1220 sunos_sys_reboot(l, v, retval) 1221 struct lwp *l; 1222 void *v; 1223 register_t *retval; 1224 { 1225 struct sunos_sys_reboot_args *uap = v; 1226 struct sys_reboot_args ua; 1227 struct sunos_howto_conv *convp; 1228 int error, bsd_howto, sun_howto; 1229 char *bootstr; 1230 1231 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1232 0, NULL, NULL, NULL)) != 0) 1233 return (error); 1234 1235 /* 1236 * Convert howto bits to BSD format. 1237 */ 1238 sun_howto = SCARG(uap, howto); 1239 bsd_howto = 0; 1240 convp = sunos_howto_conv; 1241 while (convp->sun_howto) { 1242 if (sun_howto & convp->sun_howto) 1243 bsd_howto |= convp->bsd_howto; 1244 convp++; 1245 } 1246 1247 /* 1248 * Sun RB_STRING (Get user supplied bootstring.) 1249 * If the machine supports passing a string to the 1250 * next booted kernel. 1251 */ 1252 if (sun_howto & SUNOS_RB_STRING) { 1253 char bs[128]; 1254 1255 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1256 1257 if (error) 1258 bootstr = NULL; 1259 else 1260 bootstr = bs; 1261 } else 1262 bootstr = NULL; 1263 1264 SCARG(&ua, opt) = bsd_howto; 1265 SCARG(&ua, bootstr) = bootstr; 1266 sys_reboot(l, &ua, retval); 1267 return(0); 1268 } 1269 1270 /* 1271 * Generalized interface signal handler, 4.3-compatible. 1272 */ 1273 /* ARGSUSED */ 1274 int 1275 sunos_sys_sigvec(l, v, retval) 1276 struct lwp *l; 1277 void *v; 1278 register_t *retval; 1279 { 1280 struct sunos_sys_sigvec_args /* { 1281 syscallarg(int) signum; 1282 syscallarg(struct sigvec *) nsv; 1283 syscallarg(struct sigvec *) osv; 1284 } */ *uap = v; 1285 struct sigvec nsv, osv; 1286 struct sigaction nsa, osa; 1287 int error; 1288 /*XXX*/extern void compat_43_sigvec_to_sigaction 1289 __P((const struct sigvec *, struct sigaction *)); 1290 /*XXX*/extern void compat_43_sigaction_to_sigvec 1291 __P((const struct sigaction *, struct sigvec *)); 1292 1293 if (SCARG(uap, nsv)) { 1294 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1295 if (error != 0) 1296 return (error); 1297 1298 /* 1299 * SunOS uses the mask 0x0004 as SV_RESETHAND 1300 * meaning: `reset to SIG_DFL on delivery'. 1301 * We support only the bits in: 0xF 1302 * (those bits are the same as ours) 1303 */ 1304 if (nsv.sv_flags & ~0xF) 1305 return (EINVAL); 1306 1307 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1308 } 1309 error = sigaction1(l, SCARG(uap, signum), 1310 SCARG(uap, nsv) ? &nsa : 0, 1311 SCARG(uap, osv) ? &osa : 0, 1312 NULL, 0); 1313 if (error != 0) 1314 return (error); 1315 1316 if (SCARG(uap, osv)) { 1317 compat_43_sigaction_to_sigvec(&osa, &osv); 1318 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1319 if (error != 0) 1320 return (error); 1321 } 1322 1323 return (0); 1324 } 1325
Indexes created Wed Oct 15 16:09:53 GMT 2025