sunos_misc.c revision 1.108.2.2
1 /* $NetBSD: sunos_misc.c,v 1.108.2.2 2001/11/14 19:13:23 nathanw 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. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 45 * 46 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 47 */ 48 49 /* 50 * SunOS compatibility module. 51 * 52 * SunOS system calls that are implemented differently in BSD are 53 * handled here. 54 */ 55 56 #include <sys/cdefs.h> 57 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.108.2.2 2001/11/14 19:13:23 nathanw Exp $"); 58 59 #define COMPAT_SUNOS 1 60 61 #if defined(_KERNEL_OPT) 62 #include "opt_nfsserver.h" 63 #include "fs_nfs.h" 64 #endif 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/namei.h> 69 #include <sys/proc.h> 70 #include <sys/dirent.h> 71 #include <sys/file.h> 72 #include <sys/stat.h> 73 #include <sys/filedesc.h> 74 #include <sys/ioctl.h> 75 #include <sys/kernel.h> 76 #include <sys/reboot.h> 77 #include <sys/malloc.h> 78 #include <sys/mbuf.h> 79 #include <sys/mman.h> 80 #include <sys/mount.h> 81 #include <sys/ptrace.h> 82 #include <sys/resource.h> 83 #include <sys/resourcevar.h> 84 #include <sys/signal.h> 85 #include <sys/signalvar.h> 86 #include <sys/socket.h> 87 #include <sys/tty.h> 88 #include <sys/vnode.h> 89 #include <sys/uio.h> 90 #include <sys/wait.h> 91 #include <sys/utsname.h> 92 #include <sys/unistd.h> 93 #include <sys/syscallargs.h> 94 #include <sys/conf.h> 95 #include <sys/socketvar.h> 96 #include <sys/exec.h> 97 #include <sys/swap.h> 98 99 #include <compat/sunos/sunos.h> 100 #include <compat/sunos/sunos_syscallargs.h> 101 #include <compat/common/compat_util.h> 102 #include <compat/sunos/sunos_dirent.h> 103 104 #include <netinet/in.h> 105 106 #include <miscfs/specfs/specdev.h> 107 108 #include <nfs/rpcv2.h> 109 #include <nfs/nfsproto.h> 110 #include <nfs/nfs.h> 111 #include <nfs/nfsmount.h> 112 113 static int sunstatfs __P((struct statfs *, caddr_t)); 114 115 int 116 sunos_sys_stime(p, v, retval) 117 struct proc *p; 118 void *v; 119 register_t *retval; 120 { 121 struct sunos_sys_stime_args *uap = v; 122 struct sys_settimeofday_args ap; 123 caddr_t sg = stackgap_init(p->p_emul); 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(&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(p, &ap, retval); 140 } 141 142 int 143 sunos_sys_wait4(p, v, retval) 144 struct proc *p; 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(p, uap, retval)); 152 } 153 154 int 155 sunos_sys_creat(p, v, retval) 156 struct proc *p; 157 void *v; 158 register_t *retval; 159 { 160 struct sunos_sys_creat_args *uap = v; 161 struct sys_open_args ouap; 162 163 caddr_t sg = stackgap_init(p->p_emul); 164 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 165 166 SCARG(&ouap, path) = SCARG(uap, path); 167 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 168 SCARG(&ouap, mode) = SCARG(uap, mode); 169 170 return (sys_open(p, &ouap, retval)); 171 } 172 173 int 174 sunos_sys_access(p, v, retval) 175 struct proc *p; 176 void *v; 177 register_t *retval; 178 { 179 struct sunos_sys_access_args *uap = v; 180 caddr_t sg = stackgap_init(p->p_emul); 181 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 182 183 return (sys_access(p, uap, retval)); 184 } 185 186 int 187 sunos_sys_stat(p, v, retval) 188 struct proc *p; 189 void *v; 190 register_t *retval; 191 { 192 struct sunos_sys_stat_args *uap = v; 193 caddr_t sg = stackgap_init(p->p_emul); 194 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 195 196 return (compat_43_sys_stat(p, uap, retval)); 197 } 198 199 int 200 sunos_sys_lstat(p, v, retval) 201 struct proc *p; 202 void *v; 203 register_t *retval; 204 { 205 struct sunos_sys_lstat_args *uap = v; 206 caddr_t sg = stackgap_init(p->p_emul); 207 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 208 209 return (compat_43_sys_lstat(p, uap, retval)); 210 } 211 212 int 213 sunos_sys_execv(p, v, retval) 214 struct proc *p; 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 sys_execve_args ap; 223 caddr_t sg; 224 225 sg = stackgap_init(p->p_emul); 226 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 227 228 SCARG(&ap, path) = SCARG(uap, path); 229 SCARG(&ap, argp) = SCARG(uap, argp); 230 SCARG(&ap, envp) = NULL; 231 232 return (sys_execve(p, &ap, retval)); 233 } 234 235 int 236 sunos_sys_execve(p, v, retval) 237 struct proc *p; 238 void *v; 239 register_t *retval; 240 { 241 struct sunos_sys_execve_args /* { 242 syscallarg(const char *) path; 243 syscallarg(char **) argv; 244 syscallarg(char **) envp; 245 } */ *uap = v; 246 struct sys_execve_args ap; 247 caddr_t sg; 248 249 sg = stackgap_init(p->p_emul); 250 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 251 252 SCARG(&ap, path) = SCARG(uap, path); 253 SCARG(&ap, argp) = SCARG(uap, argp); 254 SCARG(&ap, envp) = SCARG(uap, envp); 255 256 return (sys_execve(p, &ap, retval)); 257 } 258 259 int 260 sunos_sys_omsync(p, v, retval) 261 struct proc *p; 262 void *v; 263 register_t *retval; 264 { 265 struct sunos_sys_omsync_args *uap = v; 266 struct sys___msync13_args ouap; 267 268 SCARG(&ouap, addr) = SCARG(uap, addr); 269 SCARG(&ouap, len) = SCARG(uap, len); 270 SCARG(&ouap, flags) = SCARG(uap, flags); 271 272 return (sys___msync13(p, &ouap, retval)); 273 } 274 275 int 276 sunos_sys_unmount(p, v, retval) 277 struct proc *p; 278 void *v; 279 register_t *retval; 280 { 281 struct sunos_sys_unmount_args *uap = v; 282 struct sys_unmount_args ouap; 283 284 SCARG(&ouap, path) = SCARG(uap, path); 285 SCARG(&ouap, flags) = 0; 286 287 return (sys_unmount(p, &ouap, retval)); 288 } 289 290 /* 291 * Conversion table for SunOS NFS mount flags. 292 */ 293 static struct { 294 int sun_flg; 295 int bsd_flg; 296 } sunnfs_flgtab[] = { 297 { SUNNFS_SOFT, NFSMNT_SOFT }, 298 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 299 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 300 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 301 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 302 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 303 { SUNNFS_INT, NFSMNT_INT }, 304 { SUNNFS_NOAC, 0 }, /* Ignored */ 305 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 306 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 307 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 308 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 309 { SUNNFS_SECURE, 0 }, /* Ignored */ 310 { SUNNFS_NOCTO, 0 }, /* Ignored */ 311 { SUNNFS_POSIX, 0 } /* Ignored */ 312 }; 313 314 int 315 sunos_sys_mount(p, v, retval) 316 struct proc *p; 317 void *v; 318 register_t *retval; 319 { 320 struct sunos_sys_mount_args *uap = v; 321 int oflags = SCARG(uap, flags), nflags, error; 322 char fsname[MFSNAMELEN]; 323 caddr_t sg = stackgap_init(p->p_emul); 324 325 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 326 return (EINVAL); 327 if ((oflags & SUNM_NEWTYPE) == 0) 328 return (EINVAL); 329 nflags = 0; 330 if (oflags & SUNM_RDONLY) 331 nflags |= MNT_RDONLY; 332 if (oflags & SUNM_NOSUID) 333 nflags |= MNT_NOSUID; 334 if (oflags & SUNM_REMOUNT) 335 nflags |= MNT_UPDATE; 336 SCARG(uap, flags) = nflags; 337 338 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 339 sizeof fsname, (size_t *)0); 340 if (error) 341 return (error); 342 343 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 344 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 345 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 346 if (error) 347 return (error); 348 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 349 struct sunos_nfs_args sna; 350 struct sockaddr_in sain; 351 struct nfs_args na; 352 struct sockaddr sa; 353 int n; 354 355 error = copyin(SCARG(uap, data), &sna, sizeof sna); 356 if (error) 357 return (error); 358 error = copyin(sna.addr, &sain, sizeof sain); 359 if (error) 360 return (error); 361 memcpy(&sa, &sain, sizeof sa); 362 sa.sa_len = sizeof(sain); 363 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 364 na.version = NFS_ARGSVERSION; 365 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 366 na.addrlen = sizeof(struct sockaddr); 367 na.sotype = SOCK_DGRAM; 368 na.proto = IPPROTO_UDP; 369 na.fh = (void *)sna.fh; 370 na.fhsize = NFSX_V2FH; 371 na.flags = 0; 372 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 373 while (--n >= 0) 374 if (sna.flags & sunnfs_flgtab[n].sun_flg) 375 na.flags |= sunnfs_flgtab[n].bsd_flg; 376 na.wsize = sna.wsize; 377 na.rsize = sna.rsize; 378 if (na.flags & NFSMNT_RSIZE) { 379 na.flags |= NFSMNT_READDIRSIZE; 380 na.readdirsize = na.rsize; 381 } 382 na.timeo = sna.timeo; 383 na.retrans = sna.retrans; 384 na.hostname = (char *)(u_long)sna.hostname; 385 386 error = copyout(&sa, na.addr, sizeof sa); 387 if (error) 388 return (error); 389 error = copyout(&na, SCARG(uap, data), sizeof na); 390 if (error) 391 return (error); 392 } 393 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 394 } 395 396 #if defined(NFS) 397 int 398 async_daemon(p, v, retval) 399 struct proc *p; 400 void *v; 401 register_t *retval; 402 { 403 struct sys_nfssvc_args ouap; 404 405 SCARG(&ouap, flag) = NFSSVC_BIOD; 406 SCARG(&ouap, argp) = NULL; 407 408 return (sys_nfssvc(p, &ouap, retval)); 409 } 410 #endif /* NFS */ 411 412 void native_to_sunos_sigset __P((const sigset_t *, int *)); 413 void sunos_to_native_sigset __P((const int, sigset_t *)); 414 415 __inline__ void 416 native_to_sunos_sigset(ss, mask) 417 const sigset_t *ss; 418 int *mask; 419 { 420 *mask = ss->__bits[0]; 421 } 422 423 __inline__ void 424 sunos_to_native_sigset(mask, ss) 425 const int mask; 426 sigset_t *ss; 427 { 428 429 ss->__bits[0] = mask; 430 ss->__bits[1] = 0; 431 ss->__bits[2] = 0; 432 ss->__bits[3] = 0; 433 } 434 435 int 436 sunos_sys_sigpending(p, v, retval) 437 struct proc *p; 438 void *v; 439 register_t *retval; 440 { 441 struct sunos_sys_sigpending_args *uap = v; 442 sigset_t ss; 443 int mask; 444 445 sigpending1(p, &ss); 446 native_to_sunos_sigset(&ss, &mask); 447 448 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 449 } 450 451 int 452 sunos_sys_sigsuspend(p, v, retval) 453 struct proc *p; 454 void *v; 455 register_t *retval; 456 { 457 struct sunos_sys_sigsuspend_args /* { 458 syscallarg(int) mask; 459 } */ *uap = v; 460 int mask; 461 sigset_t ss; 462 463 mask = SCARG(uap, mask); 464 sunos_to_native_sigset(mask, &ss); 465 return (sigsuspend1(p, &ss)); 466 } 467 468 /* 469 * Read Sun-style directory entries. We suck them into kernel space so 470 * that they can be massaged before being copied out to user code. Like 471 * SunOS, we squish out `empty' entries. 472 * 473 * This is quite ugly, but what do you expect from compatibility code? 474 */ 475 int 476 sunos_sys_getdents(p, v, retval) 477 struct proc *p; 478 void *v; 479 register_t *retval; 480 { 481 struct sunos_sys_getdents_args *uap = v; 482 struct dirent *bdp; 483 struct vnode *vp; 484 caddr_t inp, buf; /* BSD-format */ 485 int len, reclen; /* BSD-format */ 486 caddr_t outp; /* Sun-format */ 487 int resid, sunos_reclen;/* Sun-format */ 488 struct file *fp; 489 struct uio auio; 490 struct iovec aiov; 491 struct sunos_dirent idb; 492 off_t off; /* true file offset */ 493 int buflen, error, eofflag; 494 off_t *cookiebuf, *cookie; 495 int ncookies; 496 497 /* getvnode() will use the descriptor for us */ 498 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 499 return (error); 500 501 if ((fp->f_flag & FREAD) == 0) { 502 error = EBADF; 503 goto out1; 504 } 505 506 vp = (struct vnode *)fp->f_data; 507 if (vp->v_type != VDIR) { 508 error = EINVAL; 509 goto out1; 510 } 511 512 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 513 buf = malloc(buflen, M_TEMP, M_WAITOK); 514 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 515 off = fp->f_offset; 516 again: 517 aiov.iov_base = buf; 518 aiov.iov_len = buflen; 519 auio.uio_iov = &aiov; 520 auio.uio_iovcnt = 1; 521 auio.uio_rw = UIO_READ; 522 auio.uio_segflg = UIO_SYSSPACE; 523 auio.uio_procp = p; 524 auio.uio_resid = buflen; 525 auio.uio_offset = off; 526 /* 527 * First we read into the malloc'ed buffer, then 528 * we massage it into user space, one record at a time. 529 */ 530 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 531 &ncookies); 532 if (error) 533 goto out; 534 535 inp = buf; 536 outp = SCARG(uap, buf); 537 resid = SCARG(uap, nbytes); 538 if ((len = buflen - auio.uio_resid) == 0) 539 goto eof; 540 541 for (cookie = cookiebuf; len > 0; len -= reclen) { 542 bdp = (struct dirent *)inp; 543 reclen = bdp->d_reclen; 544 if (reclen & 3) 545 panic("sunos_getdents"); 546 if ((*cookie >> 32) != 0) { 547 compat_offseterr(vp, "sunos_getdents"); 548 error = EINVAL; 549 goto out; 550 } 551 if (bdp->d_fileno == 0) { 552 inp += reclen; /* it is a hole; squish it out */ 553 off = *cookie++; 554 continue; 555 } 556 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 557 if (reclen > len || resid < sunos_reclen) { 558 /* entry too big for buffer, so just stop */ 559 outp++; 560 break; 561 } 562 off = *cookie++; /* each entry points to next */ 563 /* 564 * Massage in place to make a Sun-shaped dirent (otherwise 565 * we have to worry about touching user memory outside of 566 * the copyout() call). 567 */ 568 idb.d_fileno = bdp->d_fileno; 569 idb.d_off = off; 570 idb.d_reclen = sunos_reclen; 571 idb.d_namlen = bdp->d_namlen; 572 strcpy(idb.d_name, bdp->d_name); 573 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 574 goto out; 575 /* advance past this real entry */ 576 inp += reclen; 577 /* advance output past Sun-shaped entry */ 578 outp += sunos_reclen; 579 resid -= sunos_reclen; 580 } 581 582 /* if we squished out the whole block, try again */ 583 if (outp == SCARG(uap, buf)) 584 goto again; 585 fp->f_offset = off; /* update the vnode offset */ 586 587 eof: 588 *retval = SCARG(uap, nbytes) - resid; 589 out: 590 VOP_UNLOCK(vp, 0); 591 free(cookiebuf, M_TEMP); 592 free(buf, M_TEMP); 593 out1: 594 FILE_UNUSE(fp, p); 595 return (error); 596 } 597 598 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 599 600 int 601 sunos_sys_mmap(p, v, retval) 602 struct proc *p; 603 void *v; 604 register_t *retval; 605 { 606 struct sunos_sys_mmap_args *uap = v; 607 struct sys_mmap_args ouap; 608 struct filedesc *fdp; 609 struct file *fp; 610 struct vnode *vp; 611 612 /* 613 * Verify the arguments. 614 */ 615 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 616 return (EINVAL); /* XXX still needed? */ 617 618 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 619 return (EINVAL); 620 621 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 622 SCARG(&ouap, addr) = SCARG(uap, addr); 623 624 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 625 SCARG(&ouap, addr) != 0 && 626 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 627 SCARG(&ouap, addr) = (caddr_t)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 628 629 SCARG(&ouap, len) = SCARG(uap, len); 630 SCARG(&ouap, prot) = SCARG(uap, prot); 631 SCARG(&ouap, fd) = SCARG(uap, fd); 632 SCARG(&ouap, pos) = SCARG(uap, pos); 633 634 /* 635 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 636 */ 637 fdp = p->p_fd; 638 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 639 fp->f_type == DTYPE_VNODE && /*XXX*/ 640 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 641 iszerodev(vp->v_rdev)) { /*XXX*/ 642 SCARG(&ouap, flags) |= MAP_ANON; 643 SCARG(&ouap, fd) = -1; 644 } 645 646 return (sys_mmap(p, &ouap, retval)); 647 } 648 649 #define MC_SYNC 1 650 #define MC_LOCK 2 651 #define MC_UNLOCK 3 652 #define MC_ADVISE 4 653 #define MC_LOCKAS 5 654 #define MC_UNLOCKAS 6 655 656 int 657 sunos_sys_mctl(p, v, retval) 658 struct proc *p; 659 void *v; 660 register_t *retval; 661 { 662 struct sunos_sys_mctl_args *uap = v; 663 664 switch (SCARG(uap, func)) { 665 case MC_ADVISE: /* ignore for now */ 666 return (0); 667 case MC_SYNC: /* translate to msync */ 668 return (sys___msync13(p, uap, retval)); 669 default: 670 return (EINVAL); 671 } 672 } 673 674 int 675 sunos_sys_setsockopt(p, v, retval) 676 struct proc *p; 677 void *v; 678 register_t *retval; 679 { 680 struct sunos_sys_setsockopt_args *uap = v; 681 struct file *fp; 682 struct mbuf *m = NULL; 683 int error; 684 685 /* getsock() will use the descriptor for us */ 686 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 687 return (error); 688 #define SO_DONTLINGER (~SO_LINGER) 689 if (SCARG(uap, name) == SO_DONTLINGER) { 690 m = m_get(M_WAIT, MT_SOOPTS); 691 mtod(m, struct linger *)->l_onoff = 0; 692 m->m_len = sizeof(struct linger); 693 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 694 SO_LINGER, m); 695 goto out; 696 } 697 if (SCARG(uap, level) == IPPROTO_IP) { 698 #define SUNOS_IP_MULTICAST_IF 2 699 #define SUNOS_IP_MULTICAST_TTL 3 700 #define SUNOS_IP_MULTICAST_LOOP 4 701 #define SUNOS_IP_ADD_MEMBERSHIP 5 702 #define SUNOS_IP_DROP_MEMBERSHIP 6 703 static int ipoptxlat[] = { 704 IP_MULTICAST_IF, 705 IP_MULTICAST_TTL, 706 IP_MULTICAST_LOOP, 707 IP_ADD_MEMBERSHIP, 708 IP_DROP_MEMBERSHIP 709 }; 710 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 711 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 712 SCARG(uap, name) = 713 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 714 } 715 } 716 if (SCARG(uap, valsize) > MLEN) { 717 error = EINVAL; 718 goto out; 719 } 720 if (SCARG(uap, val)) { 721 m = m_get(M_WAIT, MT_SOOPTS); 722 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 723 (u_int)SCARG(uap, valsize)); 724 if (error) { 725 (void) m_free(m); 726 goto out; 727 } 728 m->m_len = SCARG(uap, valsize); 729 } 730 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 731 SCARG(uap, name), m); 732 out: 733 FILE_UNUSE(fp, p); 734 return (error); 735 } 736 737 /* 738 * XXX: This needs cleaning up. 739 */ 740 int 741 sunos_sys_auditsys(p, v, retval) 742 struct proc *p; 743 void *v; 744 register_t *retval; 745 { 746 return 0; 747 } 748 749 int 750 sunos_sys_uname(p, v, retval) 751 struct proc *p; 752 void *v; 753 register_t *retval; 754 { 755 struct sunos_sys_uname_args *uap = v; 756 struct sunos_utsname sut; 757 758 memset(&sut, 0, sizeof(sut)); 759 760 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 761 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 762 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 763 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 764 memcpy(sut.version, "1", sizeof(sut.version) - 1); 765 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 766 767 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 768 sizeof(struct sunos_utsname)); 769 } 770 771 int 772 sunos_sys_setpgrp(p, v, retval) 773 struct proc *p; 774 void *v; 775 register_t *retval; 776 { 777 struct sunos_sys_setpgrp_args *uap = v; 778 779 /* 780 * difference to our setpgid call is to include backwards 781 * compatibility to pre-setsid() binaries. Do setsid() 782 * instead of setpgid() in those cases where the process 783 * tries to create a new session the old way. 784 */ 785 if (!SCARG(uap, pgid) && 786 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 787 return sys_setsid(p, uap, retval); 788 else 789 return sys_setpgid(p, uap, retval); 790 } 791 792 int 793 sunos_sys_open(p, v, retval) 794 struct proc *p; 795 void *v; 796 register_t *retval; 797 { 798 struct sunos_sys_open_args *uap = v; 799 int l, r; 800 int noctty; 801 int ret; 802 803 caddr_t sg = stackgap_init(p->p_emul); 804 805 /* convert mode into NetBSD mode */ 806 l = SCARG(uap, flags); 807 noctty = l & 0x8000; 808 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 809 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 810 r |= ((l & 0x0080) ? O_SHLOCK : 0); 811 r |= ((l & 0x0100) ? O_EXLOCK : 0); 812 r |= ((l & 0x2000) ? O_FSYNC : 0); 813 814 if (r & O_CREAT) 815 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 816 else 817 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 818 819 SCARG(uap, flags) = r; 820 ret = sys_open(p, (struct sys_open_args *)uap, retval); 821 822 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 823 struct filedesc *fdp = p->p_fd; 824 struct file *fp; 825 826 fp = fd_getfile(fdp, *retval); 827 828 /* ignore any error, just give it a try */ 829 if (fp != NULL && fp->f_type == DTYPE_VNODE) 830 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 831 } 832 return ret; 833 } 834 835 #if defined (NFSSERVER) 836 int 837 sunos_sys_nfssvc(p, v, retval) 838 struct proc *p; 839 void *v; 840 register_t *retval; 841 { 842 #if 0 843 struct sunos_sys_nfssvc_args *uap = v; 844 struct emul *e = p->p_emul; 845 struct sys_nfssvc_args outuap; 846 struct sockaddr sa; 847 int error; 848 caddr_t sg = stackgap_init(p->p_emul); 849 850 memset(&outuap, 0, sizeof outuap); 851 SCARG(&outuap, fd) = SCARG(uap, fd); 852 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 853 SCARG(&outuap, msklen) = sizeof(sa); 854 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 855 SCARG(&outuap, mtchlen) = sizeof(sa); 856 857 memset(&sa, 0, sizeof sa); 858 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 859 return (error); 860 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 861 return (error); 862 863 return nfssvc(p, &outuap, retval); 864 #else 865 return (ENOSYS); 866 #endif 867 } 868 #endif /* NFSSERVER */ 869 870 int 871 sunos_sys_ustat(p, v, retval) 872 struct proc *p; 873 void *v; 874 register_t *retval; 875 { 876 struct sunos_sys_ustat_args *uap = v; 877 struct sunos_ustat us; 878 int error; 879 880 memset(&us, 0, sizeof us); 881 882 /* 883 * XXX: should set f_tfree and f_tinode at least 884 * How do we translate dev -> fstat? (and then to sunos_ustat) 885 */ 886 887 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 888 return (error); 889 return 0; 890 } 891 892 int 893 sunos_sys_quotactl(p, v, retval) 894 struct proc *p; 895 void *v; 896 register_t *retval; 897 { 898 899 return EINVAL; 900 } 901 902 int 903 sunos_sys_vhangup(p, v, retval) 904 struct proc *p; 905 void *v; 906 register_t *retval; 907 { 908 struct session *sp = p->p_session; 909 910 if (sp->s_ttyvp == 0) 911 return 0; 912 913 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 914 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 915 916 (void) ttywait(sp->s_ttyp); 917 if (sp->s_ttyvp) 918 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 919 if (sp->s_ttyvp) 920 vrele(sp->s_ttyvp); 921 sp->s_ttyvp = NULL; 922 923 return 0; 924 } 925 926 static int 927 sunstatfs(sp, buf) 928 struct statfs *sp; 929 caddr_t buf; 930 { 931 struct sunos_statfs ssfs; 932 933 memset(&ssfs, 0, sizeof ssfs); 934 ssfs.f_type = 0; 935 ssfs.f_bsize = sp->f_bsize; 936 ssfs.f_blocks = sp->f_blocks; 937 ssfs.f_bfree = sp->f_bfree; 938 ssfs.f_bavail = sp->f_bavail; 939 ssfs.f_files = sp->f_files; 940 ssfs.f_ffree = sp->f_ffree; 941 ssfs.f_fsid = sp->f_fsid; 942 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 943 } 944 945 int 946 sunos_sys_statfs(p, v, retval) 947 struct proc *p; 948 void *v; 949 register_t *retval; 950 { 951 struct sunos_sys_statfs_args *uap = v; 952 struct mount *mp; 953 struct statfs *sp; 954 int error; 955 struct nameidata nd; 956 957 caddr_t sg = stackgap_init(p->p_emul); 958 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 959 960 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 961 if ((error = namei(&nd)) != 0) 962 return (error); 963 mp = nd.ni_vp->v_mount; 964 sp = &mp->mnt_stat; 965 vrele(nd.ni_vp); 966 if ((error = VFS_STATFS(mp, sp, p)) != 0) 967 return (error); 968 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 969 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 970 } 971 972 int 973 sunos_sys_fstatfs(p, v, retval) 974 struct proc *p; 975 void *v; 976 register_t *retval; 977 { 978 struct sunos_sys_fstatfs_args *uap = v; 979 struct file *fp; 980 struct mount *mp; 981 struct statfs *sp; 982 int error; 983 984 /* getvnode() will use the descriptor for us */ 985 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 986 return (error); 987 mp = ((struct vnode *)fp->f_data)->v_mount; 988 sp = &mp->mnt_stat; 989 if ((error = VFS_STATFS(mp, sp, p)) != 0) 990 goto out; 991 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 992 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 993 out: 994 FILE_UNUSE(fp, p); 995 return (error); 996 } 997 998 int 999 sunos_sys_exportfs(p, v, retval) 1000 struct proc *p; 1001 void *v; 1002 register_t *retval; 1003 { 1004 /* 1005 * XXX: should perhaps translate into a mount(2) 1006 * with MOUNT_EXPORT? 1007 */ 1008 return 0; 1009 } 1010 1011 int 1012 sunos_sys_mknod(p, v, retval) 1013 struct proc *p; 1014 void *v; 1015 register_t *retval; 1016 { 1017 struct sunos_sys_mknod_args *uap = v; 1018 1019 caddr_t sg = stackgap_init(p->p_emul); 1020 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1021 1022 if (S_ISFIFO(SCARG(uap, mode))) 1023 return sys_mkfifo(p, uap, retval); 1024 1025 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 1026 } 1027 1028 #define SUNOS_SC_ARG_MAX 1 1029 #define SUNOS_SC_CHILD_MAX 2 1030 #define SUNOS_SC_CLK_TCK 3 1031 #define SUNOS_SC_NGROUPS_MAX 4 1032 #define SUNOS_SC_OPEN_MAX 5 1033 #define SUNOS_SC_JOB_CONTROL 6 1034 #define SUNOS_SC_SAVED_IDS 7 1035 #define SUNOS_SC_VERSION 8 1036 1037 int 1038 sunos_sys_sysconf(p, v, retval) 1039 struct proc *p; 1040 void *v; 1041 register_t *retval; 1042 { 1043 struct sunos_sys_sysconf_args *uap = v; 1044 extern int maxfiles; 1045 1046 switch(SCARG(uap, name)) { 1047 case SUNOS_SC_ARG_MAX: 1048 *retval = ARG_MAX; 1049 break; 1050 case SUNOS_SC_CHILD_MAX: 1051 *retval = maxproc; 1052 break; 1053 case SUNOS_SC_CLK_TCK: 1054 *retval = 60; /* should this be `hz', ie. 100? */ 1055 break; 1056 case SUNOS_SC_NGROUPS_MAX: 1057 *retval = NGROUPS_MAX; 1058 break; 1059 case SUNOS_SC_OPEN_MAX: 1060 *retval = maxfiles; 1061 break; 1062 case SUNOS_SC_JOB_CONTROL: 1063 *retval = 1; 1064 break; 1065 case SUNOS_SC_SAVED_IDS: 1066 #ifdef _POSIX_SAVED_IDS 1067 *retval = 1; 1068 #else 1069 *retval = 0; 1070 #endif 1071 break; 1072 case SUNOS_SC_VERSION: 1073 *retval = 198808; 1074 break; 1075 default: 1076 return EINVAL; 1077 } 1078 return 0; 1079 } 1080 1081 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1082 #define SUNOS_RLIM_NLIMITS 7 1083 1084 int 1085 sunos_sys_getrlimit(p, v, retval) 1086 struct proc *p; 1087 void *v; 1088 register_t *retval; 1089 { 1090 struct sunos_sys_getrlimit_args *uap = v; 1091 1092 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1093 return EINVAL; 1094 1095 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1096 SCARG(uap, which) = RLIMIT_NOFILE; 1097 1098 return compat_43_sys_getrlimit(p, uap, retval); 1099 } 1100 1101 int 1102 sunos_sys_setrlimit(p, v, retval) 1103 struct proc *p; 1104 void *v; 1105 register_t *retval; 1106 { 1107 struct sunos_sys_getrlimit_args *uap = v; 1108 1109 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1110 return EINVAL; 1111 1112 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1113 SCARG(uap, which) = RLIMIT_NOFILE; 1114 1115 return compat_43_sys_setrlimit(p, uap, retval); 1116 } 1117 1118 /* for the m68k machines */ 1119 #ifndef PT_GETFPREGS 1120 #define PT_GETFPREGS -1 1121 #endif 1122 #ifndef PT_SETFPREGS 1123 #define PT_SETFPREGS -1 1124 #endif 1125 1126 static int sreq2breq[] = { 1127 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1128 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1129 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1130 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1131 }; 1132 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1133 1134 int 1135 sunos_sys_ptrace(p, v, retval) 1136 struct proc *p; 1137 void *v; 1138 register_t *retval; 1139 { 1140 struct sunos_sys_ptrace_args *uap = v; 1141 struct sys_ptrace_args pa; 1142 int req; 1143 1144 req = SCARG(uap, req); 1145 1146 if (req < 0 || req >= nreqs) 1147 return (EINVAL); 1148 1149 req = sreq2breq[req]; 1150 if (req == -1) 1151 return (EINVAL); 1152 1153 SCARG(&pa, req) = req; 1154 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1155 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1156 SCARG(&pa, data) = SCARG(uap, data); 1157 1158 return sys_ptrace(p, &pa, retval); 1159 } 1160 1161 /* 1162 * SunOS reboot system call (for compatibility). 1163 * Sun lets you pass in a boot string which the PROM 1164 * saves and provides to the next boot program. 1165 */ 1166 1167 #define SUNOS_RB_ASKNAME 0x001 1168 #define SUNOS_RB_SINGLE 0x002 1169 #define SUNOS_RB_NOSYNC 0x004 1170 #define SUNOS_RB_HALT 0x008 1171 #define SUNOS_RB_DUMP 0x080 1172 #define SUNOS_RB_STRING 0x200 1173 1174 static struct sunos_howto_conv { 1175 int sun_howto; 1176 int bsd_howto; 1177 } sunos_howto_conv[] = { 1178 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1179 { SUNOS_RB_SINGLE, RB_SINGLE }, 1180 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1181 { SUNOS_RB_HALT, RB_HALT }, 1182 { SUNOS_RB_DUMP, RB_DUMP }, 1183 { SUNOS_RB_STRING, RB_STRING }, 1184 { 0x000, 0 }, 1185 }; 1186 1187 int 1188 sunos_sys_reboot(p, v, retval) 1189 struct proc *p; 1190 void *v; 1191 register_t *retval; 1192 { 1193 struct sunos_sys_reboot_args *uap = v; 1194 struct sys_reboot_args ua; 1195 struct sunos_howto_conv *convp; 1196 int error, bsd_howto, sun_howto; 1197 char *bootstr; 1198 1199 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1200 return (error); 1201 1202 /* 1203 * Convert howto bits to BSD format. 1204 */ 1205 sun_howto = SCARG(uap, howto); 1206 bsd_howto = 0; 1207 convp = sunos_howto_conv; 1208 while (convp->sun_howto) { 1209 if (sun_howto & convp->sun_howto) 1210 bsd_howto |= convp->bsd_howto; 1211 convp++; 1212 } 1213 1214 /* 1215 * Sun RB_STRING (Get user supplied bootstring.) 1216 * If the machine supports passing a string to the 1217 * next booted kernel. 1218 */ 1219 if (sun_howto & SUNOS_RB_STRING) { 1220 char bs[128]; 1221 1222 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1223 1224 if (error) 1225 bootstr = NULL; 1226 else 1227 bootstr = bs; 1228 } else 1229 bootstr = NULL; 1230 1231 SCARG(&ua, opt) = bsd_howto; 1232 SCARG(&ua, bootstr) = bootstr; 1233 sys_reboot(p, &ua, retval); 1234 return(0); 1235 } 1236 1237 /* 1238 * Generalized interface signal handler, 4.3-compatible. 1239 */ 1240 /* ARGSUSED */ 1241 int 1242 sunos_sys_sigvec(p, v, retval) 1243 struct proc *p; 1244 void *v; 1245 register_t *retval; 1246 { 1247 struct sunos_sys_sigvec_args /* { 1248 syscallarg(int) signum; 1249 syscallarg(struct sigvec *) nsv; 1250 syscallarg(struct sigvec *) osv; 1251 } */ *uap = v; 1252 struct sigvec nsv, osv; 1253 struct sigaction nsa, osa; 1254 int error; 1255 /*XXX*/extern void compat_43_sigvec_to_sigaction 1256 __P((const struct sigvec *, struct sigaction *)); 1257 /*XXX*/extern void compat_43_sigaction_to_sigvec 1258 __P((const struct sigaction *, struct sigvec *)); 1259 1260 if (SCARG(uap, nsv)) { 1261 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1262 if (error != 0) 1263 return (error); 1264 1265 /* 1266 * SunOS uses the mask 0x0004 as SV_RESETHAND 1267 * meaning: `reset to SIG_DFL on delivery'. 1268 * We support only the bits in: 0xF 1269 * (those bits are the same as ours) 1270 */ 1271 if (nsv.sv_flags & ~0xF) 1272 return (EINVAL); 1273 1274 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1275 } 1276 error = sigaction1(p, SCARG(uap, signum), 1277 SCARG(uap, nsv) ? &nsa : 0, 1278 SCARG(uap, osv) ? &osa : 0); 1279 if (error != 0) 1280 return (error); 1281 1282 if (SCARG(uap, osv)) { 1283 compat_43_sigaction_to_sigvec(&osa, &osv); 1284 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1285 if (error != 0) 1286 return (error); 1287 } 1288 1289 return (0); 1290 } 1291
Indexes created Wed Oct 15 16:09:53 GMT 2025