1 /* $NetBSD: sunos_misc.c,v 1.132 2005/04/19 19:00:25 christos 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 1.132 2005/04/19 19:00:25 christos Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "fs_nfs.h" 58 #endif 59 60 #include <sys/param.h> 61 #include <sys/systm.h> 62 #include <sys/namei.h> 63 #include <sys/proc.h> 64 #include <sys/dirent.h> 65 #include <sys/file.h> 66 #include <sys/stat.h> 67 #include <sys/filedesc.h> 68 #include <sys/ioctl.h> 69 #include <sys/kernel.h> 70 #include <sys/reboot.h> 71 #include <sys/malloc.h> 72 #include <sys/mbuf.h> 73 #include <sys/mman.h> 74 #include <sys/mount.h> 75 #include <sys/ptrace.h> 76 #include <sys/resource.h> 77 #include <sys/resourcevar.h> 78 #include <sys/signal.h> 79 #include <sys/signalvar.h> 80 #include <sys/socket.h> 81 #include <sys/tty.h> 82 #include <sys/vnode.h> 83 #include <sys/uio.h> 84 #include <sys/wait.h> 85 #include <sys/utsname.h> 86 #include <sys/unistd.h> 87 #include <sys/sa.h> 88 #include <sys/syscallargs.h> 89 #include <sys/conf.h> 90 #include <sys/socketvar.h> 91 #include <sys/exec.h> 92 #include <sys/swap.h> 93 94 #include <compat/sunos/sunos.h> 95 #include <compat/sunos/sunos_syscallargs.h> 96 #include <compat/common/compat_util.h> 97 #include <compat/sunos/sunos_dirent.h> 98 99 #include <netinet/in.h> 100 101 #include <miscfs/specfs/specdev.h> 102 103 #include <nfs/rpcv2.h> 104 #include <nfs/nfsproto.h> 105 #include <nfs/nfs.h> 106 #include <nfs/nfsmount.h> 107 108 static int sunstatfs __P((struct statvfs *, caddr_t)); 109 110 int 111 sunos_sys_stime(l, v, retval) 112 struct lwp *l; 113 void *v; 114 register_t *retval; 115 { 116 struct sunos_sys_stime_args *uap = v; 117 struct sys_settimeofday_args ap; 118 struct proc *p = l->l_proc; 119 caddr_t sg = stackgap_init(p, 0); 120 struct timeval tv, *sgtvp; 121 int error; 122 123 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 124 if (error) 125 return error; 126 tv.tv_usec = 0; 127 128 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval)); 129 SCARG(&ap, tzp) = NULL; 130 131 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 132 if (error) 133 return error; 134 135 return sys_settimeofday(l, &ap, retval); 136 } 137 138 int 139 sunos_sys_wait4(l, v, retval) 140 struct lwp *l; 141 void *v; 142 register_t *retval; 143 { 144 struct sunos_sys_wait4_args *uap = v; 145 if (SCARG(uap, pid) == 0) 146 SCARG(uap, pid) = WAIT_ANY; 147 return (sys_wait4(l, uap, retval)); 148 } 149 150 int 151 sunos_sys_creat(l, v, retval) 152 struct lwp *l; 153 void *v; 154 register_t *retval; 155 { 156 struct sunos_sys_creat_args *uap = v; 157 struct proc *p = l->l_proc; 158 struct sys_open_args ouap; 159 160 caddr_t sg = stackgap_init(p, 0); 161 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 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_access_args *uap = v; 177 struct proc *p = l->l_proc; 178 caddr_t sg = stackgap_init(p, 0); 179 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 180 181 return (sys_access(l, uap, retval)); 182 } 183 184 int 185 sunos_sys_stat(l, v, retval) 186 struct lwp *l; 187 void *v; 188 register_t *retval; 189 { 190 struct sunos_sys_stat_args *uap = v; 191 struct proc *p = l->l_proc; 192 caddr_t sg = stackgap_init(p, 0); 193 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 194 195 return (compat_43_sys_stat(l, uap, retval)); 196 } 197 198 int 199 sunos_sys_lstat(l, v, retval) 200 struct lwp *l; 201 void *v; 202 register_t *retval; 203 { 204 struct sunos_sys_lstat_args *uap = v; 205 struct proc *p = l->l_proc; 206 caddr_t sg = stackgap_init(p, 0); 207 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 208 209 return (compat_43_sys_lstat(l, uap, retval)); 210 } 211 212 int 213 sunos_sys_execv(l, v, retval) 214 struct lwp *l; 215 void *v; 216 register_t *retval; 217 { 218 struct sunos_sys_execv_args /* { 219 syscallarg(const char *) path; 220 syscallarg(char **) argv; 221 } */ *uap = v; 222 struct proc *p = l->l_proc; 223 struct sys_execve_args ap; 224 caddr_t sg; 225 226 sg = stackgap_init(p, 0); 227 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 228 229 SCARG(&ap, path) = SCARG(uap, path); 230 SCARG(&ap, argp) = SCARG(uap, argp); 231 SCARG(&ap, envp) = NULL; 232 233 return (sys_execve(l, &ap, retval)); 234 } 235 236 int 237 sunos_sys_execve(l, v, retval) 238 struct lwp *l; 239 void *v; 240 register_t *retval; 241 { 242 struct sunos_sys_execve_args /* { 243 syscallarg(const char *) path; 244 syscallarg(char **) argv; 245 syscallarg(char **) envp; 246 } */ *uap = v; 247 struct sys_execve_args ap; 248 struct proc *p = l->l_proc; 249 caddr_t sg; 250 251 sg = stackgap_init(p, 0); 252 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 253 254 SCARG(&ap, path) = SCARG(uap, path); 255 SCARG(&ap, argp) = SCARG(uap, argp); 256 SCARG(&ap, envp) = SCARG(uap, envp); 257 258 return (sys_execve(l, &ap, retval)); 259 } 260 261 int 262 sunos_sys_omsync(l, v, retval) 263 struct lwp *l; 264 void *v; 265 register_t *retval; 266 { 267 struct sunos_sys_omsync_args *uap = v; 268 struct sys___msync13_args ouap; 269 270 SCARG(&ouap, addr) = SCARG(uap, addr); 271 SCARG(&ouap, len) = SCARG(uap, len); 272 SCARG(&ouap, flags) = SCARG(uap, flags); 273 274 return (sys___msync13(l, &ouap, retval)); 275 } 276 277 int 278 sunos_sys_unmount(l, v, retval) 279 struct lwp *l; 280 void *v; 281 register_t *retval; 282 { 283 struct sunos_sys_unmount_args *uap = v; 284 struct sys_unmount_args ouap; 285 286 SCARG(&ouap, path) = SCARG(uap, path); 287 SCARG(&ouap, flags) = 0; 288 289 return (sys_unmount(l, &ouap, retval)); 290 } 291 292 /* 293 * Conversion table for SunOS NFS mount flags. 294 */ 295 static struct { 296 int sun_flg; 297 int bsd_flg; 298 } sunnfs_flgtab[] = { 299 { SUNNFS_SOFT, NFSMNT_SOFT }, 300 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 301 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 302 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 303 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 304 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 305 { SUNNFS_INT, NFSMNT_INT }, 306 { SUNNFS_NOAC, 0 }, /* Ignored */ 307 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 308 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 309 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 310 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 311 { SUNNFS_SECURE, 0 }, /* Ignored */ 312 { SUNNFS_NOCTO, 0 }, /* Ignored */ 313 { SUNNFS_POSIX, 0 } /* Ignored */ 314 }; 315 316 int 317 sunos_sys_mount(l, v, retval) 318 struct lwp *l; 319 void *v; 320 register_t *retval; 321 { 322 struct sunos_sys_mount_args *uap = v; 323 struct proc *p = l->l_proc; 324 int oflags = SCARG(uap, flags), nflags, error; 325 char fsname[MFSNAMELEN]; 326 caddr_t sg = stackgap_init(p, 0); 327 328 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 329 return (EINVAL); 330 if ((oflags & SUNM_NEWTYPE) == 0) 331 return (EINVAL); 332 nflags = 0; 333 if (oflags & SUNM_RDONLY) 334 nflags |= MNT_RDONLY; 335 if (oflags & SUNM_NOSUID) 336 nflags |= MNT_NOSUID; 337 if (oflags & SUNM_REMOUNT) 338 nflags |= MNT_UPDATE; 339 SCARG(uap, flags) = nflags; 340 341 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 342 sizeof fsname, (size_t *)0); 343 if (error) 344 return (error); 345 346 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 347 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 348 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 349 if (error) 350 return (error); 351 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 352 struct sunos_nfs_args sna; 353 struct sockaddr_in sain; 354 struct nfs_args na; 355 struct sockaddr sa; 356 int n; 357 358 error = copyin(SCARG(uap, data), &sna, sizeof sna); 359 if (error) 360 return (error); 361 error = copyin(sna.addr, &sain, sizeof sain); 362 if (error) 363 return (error); 364 memcpy(&sa, &sain, sizeof sa); 365 sa.sa_len = sizeof(sain); 366 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 367 na.version = NFS_ARGSVERSION; 368 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 369 na.addrlen = sizeof(struct sockaddr); 370 na.sotype = SOCK_DGRAM; 371 na.proto = IPPROTO_UDP; 372 na.fh = (void *)sna.fh; 373 na.fhsize = NFSX_V2FH; 374 na.flags = 0; 375 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 376 while (--n >= 0) 377 if (sna.flags & sunnfs_flgtab[n].sun_flg) 378 na.flags |= sunnfs_flgtab[n].bsd_flg; 379 na.wsize = sna.wsize; 380 na.rsize = sna.rsize; 381 if (na.flags & NFSMNT_RSIZE) { 382 na.flags |= NFSMNT_READDIRSIZE; 383 na.readdirsize = na.rsize; 384 } 385 na.timeo = sna.timeo; 386 na.retrans = sna.retrans; 387 na.hostname = (char *)(u_long)sna.hostname; 388 389 error = copyout(&sa, na.addr, sizeof sa); 390 if (error) 391 return (error); 392 error = copyout(&na, SCARG(uap, data), sizeof na); 393 if (error) 394 return (error); 395 } 396 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 397 } 398 399 #if defined(NFS) 400 int 401 async_daemon(l, v, retval) 402 struct lwp *l; 403 void *v; 404 register_t *retval; 405 { 406 struct sys_nfssvc_args ouap; 407 408 SCARG(&ouap, flag) = NFSSVC_BIOD; 409 SCARG(&ouap, argp) = NULL; 410 411 return (sys_nfssvc(l, &ouap, retval)); 412 } 413 #endif /* NFS */ 414 415 void native_to_sunos_sigset __P((const sigset_t *, int *)); 416 void sunos_to_native_sigset __P((const int, sigset_t *)); 417 418 __inline__ void 419 native_to_sunos_sigset(ss, mask) 420 const sigset_t *ss; 421 int *mask; 422 { 423 *mask = ss->__bits[0]; 424 } 425 426 __inline__ void 427 sunos_to_native_sigset(mask, ss) 428 const int mask; 429 sigset_t *ss; 430 { 431 432 ss->__bits[0] = mask; 433 ss->__bits[1] = 0; 434 ss->__bits[2] = 0; 435 ss->__bits[3] = 0; 436 } 437 438 int 439 sunos_sys_sigpending(l, v, retval) 440 struct lwp *l; 441 void *v; 442 register_t *retval; 443 { 444 struct sunos_sys_sigpending_args *uap = v; 445 sigset_t ss; 446 int mask; 447 448 sigpending1(l->l_proc, &ss); 449 native_to_sunos_sigset(&ss, &mask); 450 451 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 452 } 453 454 int 455 sunos_sys_sigsuspend(l, v, retval) 456 struct lwp *l; 457 void *v; 458 register_t *retval; 459 { 460 struct sunos_sys_sigsuspend_args /* { 461 syscallarg(int) mask; 462 } */ *uap = v; 463 int mask; 464 sigset_t ss; 465 466 mask = SCARG(uap, mask); 467 sunos_to_native_sigset(mask, &ss); 468 return (sigsuspend1(l->l_proc, &ss)); 469 } 470 471 /* 472 * Read Sun-style directory entries. We suck them into kernel space so 473 * that they can be massaged before being copied out to user code. Like 474 * SunOS, we squish out `empty' entries. 475 * 476 * This is quite ugly, but what do you expect from compatibility code? 477 */ 478 int 479 sunos_sys_getdents(l, v, retval) 480 struct lwp *l; 481 void *v; 482 register_t *retval; 483 { 484 struct sunos_sys_getdents_args *uap = v; 485 struct proc *p = l->l_proc; 486 struct dirent *bdp; 487 struct vnode *vp; 488 caddr_t inp, buf; /* BSD-format */ 489 int len, reclen; /* BSD-format */ 490 caddr_t outp; /* Sun-format */ 491 int resid, sunos_reclen;/* Sun-format */ 492 struct file *fp; 493 struct uio auio; 494 struct iovec aiov; 495 struct sunos_dirent idb; 496 off_t off; /* true file offset */ 497 int buflen, error, eofflag; 498 off_t *cookiebuf, *cookie; 499 int ncookies; 500 501 /* getvnode() will use the descriptor for us */ 502 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 503 return (error); 504 505 if ((fp->f_flag & FREAD) == 0) { 506 error = EBADF; 507 goto out1; 508 } 509 510 vp = (struct vnode *)fp->f_data; 511 if (vp->v_type != VDIR) { 512 error = EINVAL; 513 goto out1; 514 } 515 516 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 517 buf = malloc(buflen, M_TEMP, M_WAITOK); 518 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 519 off = fp->f_offset; 520 again: 521 aiov.iov_base = buf; 522 aiov.iov_len = buflen; 523 auio.uio_iov = &aiov; 524 auio.uio_iovcnt = 1; 525 auio.uio_rw = UIO_READ; 526 auio.uio_segflg = UIO_SYSSPACE; 527 auio.uio_procp = NULL; 528 auio.uio_resid = buflen; 529 auio.uio_offset = off; 530 /* 531 * First we read into the malloc'ed buffer, then 532 * we massage it into user space, one record at a time. 533 */ 534 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 535 &ncookies); 536 if (error) 537 goto out; 538 539 inp = buf; 540 outp = SCARG(uap, buf); 541 resid = SCARG(uap, nbytes); 542 if ((len = buflen - auio.uio_resid) == 0) 543 goto eof; 544 545 for (cookie = cookiebuf; len > 0; len -= reclen) { 546 bdp = (struct dirent *)inp; 547 reclen = bdp->d_reclen; 548 if (reclen & 3) 549 panic("sunos_getdents"); 550 if ((*cookie >> 32) != 0) { 551 compat_offseterr(vp, "sunos_getdents"); 552 error = EINVAL; 553 goto out; 554 } 555 if (bdp->d_fileno == 0) { 556 inp += reclen; /* it is a hole; squish it out */ 557 if (cookie) 558 off = *cookie++; 559 else 560 off += reclen; 561 continue; 562 } 563 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 564 if (reclen > len || resid < sunos_reclen) { 565 /* entry too big for buffer, so just stop */ 566 outp++; 567 break; 568 } 569 if (cookie) 570 off = *cookie++; /* each entry points to next */ 571 else 572 off += reclen; 573 /* 574 * Massage in place to make a Sun-shaped dirent (otherwise 575 * we have to worry about touching user memory outside of 576 * the copyout() call). 577 */ 578 idb.d_fileno = bdp->d_fileno; 579 idb.d_off = off; 580 idb.d_reclen = sunos_reclen; 581 idb.d_namlen = bdp->d_namlen; 582 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 583 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 584 goto out; 585 /* advance past this real entry */ 586 inp += reclen; 587 /* advance output past Sun-shaped entry */ 588 outp += sunos_reclen; 589 resid -= sunos_reclen; 590 } 591 592 /* if we squished out the whole block, try again */ 593 if (outp == SCARG(uap, buf)) 594 goto again; 595 fp->f_offset = off; /* update the vnode offset */ 596 597 eof: 598 *retval = SCARG(uap, nbytes) - resid; 599 out: 600 VOP_UNLOCK(vp, 0); 601 free(cookiebuf, M_TEMP); 602 free(buf, M_TEMP); 603 out1: 604 FILE_UNUSE(fp, p); 605 return (error); 606 } 607 608 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 609 610 int 611 sunos_sys_mmap(l, v, retval) 612 struct lwp *l; 613 void *v; 614 register_t *retval; 615 { 616 struct sunos_sys_mmap_args *uap = v; 617 struct sys_mmap_args ouap; 618 619 /* 620 * Verify the arguments. 621 */ 622 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 623 return (EINVAL); /* XXX still needed? */ 624 625 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 626 return (EINVAL); 627 628 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 629 SCARG(&ouap, addr) = SCARG(uap, addr); 630 SCARG(&ouap, len) = SCARG(uap, len); 631 SCARG(&ouap, prot) = SCARG(uap, prot); 632 SCARG(&ouap, fd) = SCARG(uap, fd); 633 SCARG(&ouap, pos) = SCARG(uap, pos); 634 635 return (sys_mmap(l, &ouap, retval)); 636 } 637 638 #define MC_SYNC 1 639 #define MC_LOCK 2 640 #define MC_UNLOCK 3 641 #define MC_ADVISE 4 642 #define MC_LOCKAS 5 643 #define MC_UNLOCKAS 6 644 645 int 646 sunos_sys_mctl(l, v, retval) 647 struct lwp *l; 648 void *v; 649 register_t *retval; 650 { 651 struct sunos_sys_mctl_args *uap = v; 652 653 switch (SCARG(uap, func)) { 654 case MC_ADVISE: /* ignore for now */ 655 return (0); 656 case MC_SYNC: /* translate to msync */ 657 return (sys___msync13(l, uap, retval)); 658 default: 659 return (EINVAL); 660 } 661 } 662 663 int 664 sunos_sys_setsockopt(l, v, retval) 665 struct lwp *l; 666 void *v; 667 register_t *retval; 668 { 669 struct sunos_sys_setsockopt_args *uap = v; 670 struct proc *p = l->l_proc; 671 struct file *fp; 672 struct mbuf *m = NULL; 673 int error; 674 675 /* getsock() will use the descriptor for us */ 676 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 677 return (error); 678 #define SO_DONTLINGER (~SO_LINGER) 679 if (SCARG(uap, name) == SO_DONTLINGER) { 680 m = m_get(M_WAIT, MT_SOOPTS); 681 mtod(m, struct linger *)->l_onoff = 0; 682 m->m_len = sizeof(struct linger); 683 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 684 SO_LINGER, m); 685 goto out; 686 } 687 if (SCARG(uap, level) == IPPROTO_IP) { 688 #define SUNOS_IP_MULTICAST_IF 2 689 #define SUNOS_IP_MULTICAST_TTL 3 690 #define SUNOS_IP_MULTICAST_LOOP 4 691 #define SUNOS_IP_ADD_MEMBERSHIP 5 692 #define SUNOS_IP_DROP_MEMBERSHIP 6 693 static const int ipoptxlat[] = { 694 IP_MULTICAST_IF, 695 IP_MULTICAST_TTL, 696 IP_MULTICAST_LOOP, 697 IP_ADD_MEMBERSHIP, 698 IP_DROP_MEMBERSHIP 699 }; 700 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 701 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 702 SCARG(uap, name) = 703 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 704 } 705 } 706 if (SCARG(uap, valsize) > MLEN) { 707 error = EINVAL; 708 goto out; 709 } 710 if (SCARG(uap, val)) { 711 m = m_get(M_WAIT, MT_SOOPTS); 712 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 713 (u_int)SCARG(uap, valsize)); 714 if (error) { 715 (void) m_free(m); 716 goto out; 717 } 718 m->m_len = SCARG(uap, valsize); 719 } 720 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 721 SCARG(uap, name), m); 722 out: 723 FILE_UNUSE(fp, p); 724 return (error); 725 } 726 727 static __inline__ int sunos_sys_socket_common(struct lwp *, register_t *, 728 int type); 729 static __inline__ int 730 sunos_sys_socket_common(l, retval, type) 731 struct lwp *l; 732 register_t *retval; 733 int type; 734 { 735 struct socket *so; 736 struct file *fp; 737 int error, fd; 738 739 /* getsock() will use the descriptor for us */ 740 fd = (int)*retval; 741 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 742 so = (struct socket *)fp->f_data; 743 if (type == SOCK_DGRAM) 744 so->so_options |= SO_BROADCAST; 745 } 746 FILE_UNUSE(fp, l->l_proc); 747 return (error); 748 } 749 750 int 751 sunos_sys_socket(l, v, retval) 752 struct lwp *l; 753 void *v; 754 register_t *retval; 755 { 756 struct sunos_sys_socket_args /* { 757 syscallarg(int) domain; 758 syscallarg(int) type; 759 syscallarg(int) protocol; 760 } */ *uap = v; 761 int error; 762 763 error = sys_socket(l, v, retval); 764 if (error) 765 return (error); 766 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 767 } 768 769 int 770 sunos_sys_socketpair(l, v, retval) 771 struct lwp *l; 772 void *v; 773 register_t *retval; 774 { 775 struct sunos_sys_socketpair_args /* { 776 syscallarg(int) domain; 777 syscallarg(int) type; 778 syscallarg(int) protocol; 779 syscallarg(int *) rsv; 780 } */ *uap = v; 781 int error; 782 783 error = sys_socketpair(l, v, retval); 784 if (error) 785 return (error); 786 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 787 } 788 789 /* 790 * XXX: This needs cleaning up. 791 */ 792 int 793 sunos_sys_auditsys(l, v, retval) 794 struct lwp *l; 795 void *v; 796 register_t *retval; 797 { 798 return 0; 799 } 800 801 int 802 sunos_sys_uname(l, v, retval) 803 struct lwp *l; 804 void *v; 805 register_t *retval; 806 { 807 struct sunos_sys_uname_args *uap = v; 808 struct sunos_utsname sut; 809 810 memset(&sut, 0, sizeof(sut)); 811 812 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 813 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 814 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 815 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 816 memcpy(sut.version, "1", sizeof(sut.version) - 1); 817 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 818 819 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 820 sizeof(struct sunos_utsname)); 821 } 822 823 int 824 sunos_sys_setpgrp(l, v, retval) 825 struct lwp *l; 826 void *v; 827 register_t *retval; 828 { 829 struct sunos_sys_setpgrp_args *uap = v; 830 struct proc *p = l->l_proc; 831 832 /* 833 * difference to our setpgid call is to include backwards 834 * compatibility to pre-setsid() binaries. Do setsid() 835 * instead of setpgid() in those cases where the process 836 * tries to create a new session the old way. 837 */ 838 if (!SCARG(uap, pgid) && 839 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 840 return sys_setsid(l, uap, retval); 841 else 842 return sys_setpgid(l, uap, retval); 843 } 844 845 int 846 sunos_sys_open(l, v, retval) 847 struct lwp *l; 848 void *v; 849 register_t *retval; 850 { 851 struct sunos_sys_open_args *uap = v; 852 struct proc *p = l->l_proc; 853 int smode, nmode; 854 int noctty; 855 int ret; 856 857 caddr_t sg = stackgap_init(p, 0); 858 859 /* convert mode into NetBSD mode */ 860 smode = SCARG(uap, flags); 861 noctty = smode & 0x8000; 862 nmode = smode & 863 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 864 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 865 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 866 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 867 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 868 869 if (nmode & O_CREAT) 870 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 871 else 872 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 873 874 SCARG(uap, flags) = nmode; 875 ret = sys_open(l, (struct sys_open_args *)uap, retval); 876 877 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 878 struct filedesc *fdp = p->p_fd; 879 struct file *fp; 880 881 fp = fd_getfile(fdp, *retval); 882 simple_unlock(&fp->f_slock); 883 884 /* ignore any error, just give it a try */ 885 if (fp != NULL && fp->f_type == DTYPE_VNODE) 886 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 887 } 888 return ret; 889 } 890 891 #if defined (NFSSERVER) 892 int 893 sunos_sys_nfssvc(l, v, retval) 894 struct lwp *l; 895 void *v; 896 register_t *retval; 897 { 898 #if 0 899 struct sunos_sys_nfssvc_args *uap = v; 900 struct proc *p = l->l_proc; 901 struct emul *e = p->p_emul; 902 struct sys_nfssvc_args outuap; 903 struct sockaddr sa; 904 int error; 905 caddr_t sg = stackgap_init(p, 0); 906 907 memset(&outuap, 0, sizeof outuap); 908 SCARG(&outuap, fd) = SCARG(uap, fd); 909 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 910 SCARG(&outuap, msklen) = sizeof(sa); 911 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 912 SCARG(&outuap, mtchlen) = sizeof(sa); 913 914 memset(&sa, 0, sizeof sa); 915 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 916 return (error); 917 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 918 return (error); 919 920 return nfssvc(l, &outuap, retval); 921 #else 922 return (ENOSYS); 923 #endif 924 } 925 #endif /* NFSSERVER */ 926 927 int 928 sunos_sys_ustat(l, v, retval) 929 struct lwp *l; 930 void *v; 931 register_t *retval; 932 { 933 struct sunos_sys_ustat_args *uap = v; 934 struct sunos_ustat us; 935 int error; 936 937 memset(&us, 0, sizeof us); 938 939 /* 940 * XXX: should set f_tfree and f_tinode at least 941 * How do we translate dev -> fstat? (and then to sunos_ustat) 942 */ 943 944 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 945 return (error); 946 return 0; 947 } 948 949 int 950 sunos_sys_quotactl(l, v, retval) 951 struct lwp *l; 952 void *v; 953 register_t *retval; 954 { 955 956 return EINVAL; 957 } 958 959 int 960 sunos_sys_vhangup(l, v, retval) 961 struct lwp *l; 962 void *v; 963 register_t *retval; 964 { 965 struct proc *p = l->l_proc; 966 struct session *sp = p->p_session; 967 968 if (sp->s_ttyvp == 0) 969 return 0; 970 971 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 972 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 973 974 (void) ttywait(sp->s_ttyp); 975 if (sp->s_ttyvp) 976 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 977 if (sp->s_ttyvp) 978 vrele(sp->s_ttyvp); 979 sp->s_ttyvp = NULL; 980 981 return 0; 982 } 983 984 static int 985 sunstatfs(sp, buf) 986 struct statvfs *sp; 987 caddr_t buf; 988 { 989 struct sunos_statfs ssfs; 990 991 memset(&ssfs, 0, sizeof ssfs); 992 ssfs.f_type = 0; 993 ssfs.f_bsize = sp->f_bsize; 994 ssfs.f_blocks = sp->f_blocks; 995 ssfs.f_bfree = sp->f_bfree; 996 ssfs.f_bavail = sp->f_bavail; 997 ssfs.f_files = sp->f_files; 998 ssfs.f_ffree = sp->f_ffree; 999 ssfs.f_fsid = sp->f_fsidx; 1000 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 1001 } 1002 1003 int 1004 sunos_sys_statfs(l, v, retval) 1005 struct lwp *l; 1006 void *v; 1007 register_t *retval; 1008 { 1009 struct sunos_sys_statfs_args *uap = v; 1010 struct proc *p = l->l_proc; 1011 struct mount *mp; 1012 struct statvfs *sp; 1013 int error; 1014 struct nameidata nd; 1015 1016 caddr_t sg = stackgap_init(p, 0); 1017 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 1018 1019 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 1020 if ((error = namei(&nd)) != 0) 1021 return (error); 1022 mp = nd.ni_vp->v_mount; 1023 sp = &mp->mnt_stat; 1024 vrele(nd.ni_vp); 1025 if ((error = VFS_STATVFS(mp, sp, p)) != 0) 1026 return (error); 1027 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1028 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1029 } 1030 1031 int 1032 sunos_sys_fstatfs(l, v, retval) 1033 struct lwp *l; 1034 void *v; 1035 register_t *retval; 1036 { 1037 struct sunos_sys_fstatfs_args *uap = v; 1038 struct proc *p = l->l_proc; 1039 struct file *fp; 1040 struct mount *mp; 1041 struct statvfs *sp; 1042 int error; 1043 1044 /* getvnode() will use the descriptor for us */ 1045 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1046 return (error); 1047 mp = ((struct vnode *)fp->f_data)->v_mount; 1048 sp = &mp->mnt_stat; 1049 if ((error = VFS_STATVFS(mp, sp, p)) != 0) 1050 goto out; 1051 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1052 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1053 out: 1054 FILE_UNUSE(fp, p); 1055 return (error); 1056 } 1057 1058 int 1059 sunos_sys_exportfs(l, v, retval) 1060 struct lwp *l; 1061 void *v; 1062 register_t *retval; 1063 { 1064 /* 1065 * XXX: should perhaps translate into a mount(2) 1066 * with MOUNT_EXPORT? 1067 */ 1068 return 0; 1069 } 1070 1071 int 1072 sunos_sys_mknod(l, v, retval) 1073 struct lwp *l; 1074 void *v; 1075 register_t *retval; 1076 { 1077 struct sunos_sys_mknod_args *uap = v; 1078 struct proc *p = l->l_proc; 1079 1080 caddr_t sg = stackgap_init(p, 0); 1081 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1082 1083 if (S_ISFIFO(SCARG(uap, mode))) 1084 return sys_mkfifo(l, uap, retval); 1085 1086 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1087 } 1088 1089 #define SUNOS_SC_ARG_MAX 1 1090 #define SUNOS_SC_CHILD_MAX 2 1091 #define SUNOS_SC_CLK_TCK 3 1092 #define SUNOS_SC_NGROUPS_MAX 4 1093 #define SUNOS_SC_OPEN_MAX 5 1094 #define SUNOS_SC_JOB_CONTROL 6 1095 #define SUNOS_SC_SAVED_IDS 7 1096 #define SUNOS_SC_VERSION 8 1097 1098 int 1099 sunos_sys_sysconf(l, v, retval) 1100 struct lwp *l; 1101 void *v; 1102 register_t *retval; 1103 { 1104 struct sunos_sys_sysconf_args *uap = v; 1105 extern int maxfiles; 1106 1107 switch(SCARG(uap, name)) { 1108 case SUNOS_SC_ARG_MAX: 1109 *retval = ARG_MAX; 1110 break; 1111 case SUNOS_SC_CHILD_MAX: 1112 *retval = maxproc; 1113 break; 1114 case SUNOS_SC_CLK_TCK: 1115 *retval = 60; /* should this be `hz', ie. 100? */ 1116 break; 1117 case SUNOS_SC_NGROUPS_MAX: 1118 *retval = NGROUPS_MAX; 1119 break; 1120 case SUNOS_SC_OPEN_MAX: 1121 *retval = maxfiles; 1122 break; 1123 case SUNOS_SC_JOB_CONTROL: 1124 *retval = 1; 1125 break; 1126 case SUNOS_SC_SAVED_IDS: 1127 #ifdef _POSIX_SAVED_IDS 1128 *retval = 1; 1129 #else 1130 *retval = 0; 1131 #endif 1132 break; 1133 case SUNOS_SC_VERSION: 1134 *retval = 198808; 1135 break; 1136 default: 1137 return EINVAL; 1138 } 1139 return 0; 1140 } 1141 1142 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1143 #define SUNOS_RLIM_NLIMITS 7 1144 1145 int 1146 sunos_sys_getrlimit(l, v, retval) 1147 struct lwp *l; 1148 void *v; 1149 register_t *retval; 1150 { 1151 struct sunos_sys_getrlimit_args *uap = v; 1152 1153 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1154 return EINVAL; 1155 1156 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1157 SCARG(uap, which) = RLIMIT_NOFILE; 1158 1159 return compat_43_sys_getrlimit(l, uap, retval); 1160 } 1161 1162 int 1163 sunos_sys_setrlimit(l, v, retval) 1164 struct lwp *l; 1165 void *v; 1166 register_t *retval; 1167 { 1168 struct sunos_sys_getrlimit_args *uap = v; 1169 1170 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1171 return EINVAL; 1172 1173 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1174 SCARG(uap, which) = RLIMIT_NOFILE; 1175 1176 return compat_43_sys_setrlimit(l, uap, retval); 1177 } 1178 1179 /* for the m68k machines */ 1180 #ifndef PT_GETFPREGS 1181 #define PT_GETFPREGS -1 1182 #endif 1183 #ifndef PT_SETFPREGS 1184 #define PT_SETFPREGS -1 1185 #endif 1186 1187 static const int sreq2breq[] = { 1188 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1189 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1190 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1191 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1192 }; 1193 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1194 1195 int 1196 sunos_sys_ptrace(l, v, retval) 1197 struct lwp *l; 1198 void *v; 1199 register_t *retval; 1200 { 1201 struct sunos_sys_ptrace_args *uap = v; 1202 struct sys_ptrace_args pa; 1203 int req; 1204 1205 req = SCARG(uap, req); 1206 1207 if (req < 0 || req >= nreqs) 1208 return (EINVAL); 1209 1210 req = sreq2breq[req]; 1211 if (req == -1) 1212 return (EINVAL); 1213 1214 SCARG(&pa, req) = req; 1215 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1216 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1217 SCARG(&pa, data) = SCARG(uap, data); 1218 1219 return sys_ptrace(l, &pa, retval); 1220 } 1221 1222 /* 1223 * SunOS reboot system call (for compatibility). 1224 * Sun lets you pass in a boot string which the PROM 1225 * saves and provides to the next boot program. 1226 */ 1227 1228 #define SUNOS_RB_ASKNAME 0x001 1229 #define SUNOS_RB_SINGLE 0x002 1230 #define SUNOS_RB_NOSYNC 0x004 1231 #define SUNOS_RB_HALT 0x008 1232 #define SUNOS_RB_DUMP 0x080 1233 #define SUNOS_RB_STRING 0x200 1234 1235 static struct sunos_howto_conv { 1236 int sun_howto; 1237 int bsd_howto; 1238 } sunos_howto_conv[] = { 1239 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1240 { SUNOS_RB_SINGLE, RB_SINGLE }, 1241 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1242 { SUNOS_RB_HALT, RB_HALT }, 1243 { SUNOS_RB_DUMP, RB_DUMP }, 1244 { SUNOS_RB_STRING, RB_STRING }, 1245 { 0x000, 0 }, 1246 }; 1247 1248 int 1249 sunos_sys_reboot(l, v, retval) 1250 struct lwp *l; 1251 void *v; 1252 register_t *retval; 1253 { 1254 struct sunos_sys_reboot_args *uap = v; 1255 struct proc *p = l->l_proc; 1256 struct sys_reboot_args ua; 1257 struct sunos_howto_conv *convp; 1258 int error, bsd_howto, sun_howto; 1259 char *bootstr; 1260 1261 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1262 return (error); 1263 1264 /* 1265 * Convert howto bits to BSD format. 1266 */ 1267 sun_howto = SCARG(uap, howto); 1268 bsd_howto = 0; 1269 convp = sunos_howto_conv; 1270 while (convp->sun_howto) { 1271 if (sun_howto & convp->sun_howto) 1272 bsd_howto |= convp->bsd_howto; 1273 convp++; 1274 } 1275 1276 /* 1277 * Sun RB_STRING (Get user supplied bootstring.) 1278 * If the machine supports passing a string to the 1279 * next booted kernel. 1280 */ 1281 if (sun_howto & SUNOS_RB_STRING) { 1282 char bs[128]; 1283 1284 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1285 1286 if (error) 1287 bootstr = NULL; 1288 else 1289 bootstr = bs; 1290 } else 1291 bootstr = NULL; 1292 1293 SCARG(&ua, opt) = bsd_howto; 1294 SCARG(&ua, bootstr) = bootstr; 1295 sys_reboot(l, &ua, retval); 1296 return(0); 1297 } 1298 1299 /* 1300 * Generalized interface signal handler, 4.3-compatible. 1301 */ 1302 /* ARGSUSED */ 1303 int 1304 sunos_sys_sigvec(l, v, retval) 1305 struct lwp *l; 1306 void *v; 1307 register_t *retval; 1308 { 1309 struct sunos_sys_sigvec_args /* { 1310 syscallarg(int) signum; 1311 syscallarg(struct sigvec *) nsv; 1312 syscallarg(struct sigvec *) osv; 1313 } */ *uap = v; 1314 struct sigvec nsv, osv; 1315 struct sigaction nsa, osa; 1316 int error; 1317 /*XXX*/extern void compat_43_sigvec_to_sigaction 1318 __P((const struct sigvec *, struct sigaction *)); 1319 /*XXX*/extern void compat_43_sigaction_to_sigvec 1320 __P((const struct sigaction *, struct sigvec *)); 1321 1322 if (SCARG(uap, nsv)) { 1323 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1324 if (error != 0) 1325 return (error); 1326 1327 /* 1328 * SunOS uses the mask 0x0004 as SV_RESETHAND 1329 * meaning: `reset to SIG_DFL on delivery'. 1330 * We support only the bits in: 0xF 1331 * (those bits are the same as ours) 1332 */ 1333 if (nsv.sv_flags & ~0xF) 1334 return (EINVAL); 1335 1336 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1337 } 1338 error = sigaction1(l->l_proc, SCARG(uap, signum), 1339 SCARG(uap, nsv) ? &nsa : 0, 1340 SCARG(uap, osv) ? &osa : 0, 1341 NULL, 0); 1342 if (error != 0) 1343 return (error); 1344 1345 if (SCARG(uap, osv)) { 1346 compat_43_sigaction_to_sigvec(&osa, &osv); 1347 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1348 if (error != 0) 1349 return (error); 1350 } 1351 1352 return (0); 1353 } 1354