sunos_misc.c revision 1.42
1 /* $NetBSD: sunos_misc.c,v 1.42 1995/03/09 12:06:14 mycroft 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/param.h> 57 #include <sys/systm.h> 58 #include <sys/namei.h> 59 #include <sys/proc.h> 60 #include <sys/dir.h> 61 #include <sys/file.h> 62 #include <sys/stat.h> 63 #include <sys/filedesc.h> 64 #include <sys/ioctl.h> 65 #include <sys/kernel.h> 66 #include <sys/exec.h> 67 #include <sys/malloc.h> 68 #include <sys/mbuf.h> 69 #include <sys/mman.h> 70 #include <sys/mount.h> 71 #include <sys/ptrace.h> 72 #include <sys/resource.h> 73 #include <sys/resourcevar.h> 74 #include <sys/signal.h> 75 #include <sys/signalvar.h> 76 #include <sys/socket.h> 77 #include <sys/vnode.h> 78 #include <sys/uio.h> 79 #include <sys/wait.h> 80 #include <sys/utsname.h> 81 #include <sys/unistd.h> 82 #include <sys/syscallargs.h> 83 #include <compat/sunos/sunos.h> 84 #include <compat/sunos/sunos_syscallargs.h> 85 86 #include <netinet/in.h> 87 88 #include <miscfs/specfs/specdev.h> 89 90 #include <nfs/rpcv2.h> 91 #include <nfs/nfsv2.h> 92 #include <nfs/nfs.h> 93 94 #include <vm/vm.h> 95 96 int 97 sunos_wait4(p, uap, retval) 98 struct proc *p; 99 struct sunos_wait4_args *uap; 100 register_t *retval; 101 { 102 if (SCARG(uap, pid) == 0) 103 SCARG(uap, pid) = WAIT_ANY; 104 return (wait4(p, uap, retval, 1)); 105 } 106 107 int 108 sunos_creat(p, uap, retval) 109 struct proc *p; 110 struct sunos_creat_args *uap; 111 register_t *retval; 112 { 113 struct sunos_open_args ouap; 114 115 SCARG(&ouap, path) = SCARG(uap, path); 116 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 117 SCARG(&ouap, mode) = SCARG(uap, mode); 118 return (open(p, &ouap, retval)); 119 } 120 121 int 122 sunos_execv(p, uap, retval) 123 struct proc *p; 124 struct sunos_execv_args *uap; 125 register_t *retval; 126 { 127 struct execve_args ouap; 128 129 SCARG(&ouap, path) = SCARG(uap, path); 130 SCARG(&ouap, argp) = SCARG(uap, argp); 131 SCARG(&ouap, envp) = NULL; 132 return (execve(p, &ouap, retval)); 133 } 134 135 int 136 sunos_omsync(p, uap, retval) 137 struct proc *p; 138 struct sunos_omsync_args *uap; 139 register_t *retval; 140 { 141 struct msync_args ouap; 142 143 if (SCARG(uap, flags)) 144 return (EINVAL); 145 SCARG(&ouap, addr) = SCARG(uap, addr); 146 SCARG(&ouap, len) = SCARG(uap, len); 147 return (msync(p, &ouap, retval)); 148 } 149 150 int 151 sunos_unmount(p, uap, retval) 152 struct proc *p; 153 struct sunos_unmount_args *uap; 154 register_t *retval; 155 { 156 SCARG(uap, flags) = 0; 157 return (unmount(p, (struct unmount_args *)uap, retval)); 158 } 159 160 int 161 sunos_mount(p, uap, retval) 162 struct proc *p; 163 struct sunos_mount_args *uap; 164 register_t *retval; 165 { 166 int oflags = SCARG(uap, flags), nflags, error; 167 extern char sigcode[], esigcode[]; 168 char fsname[MFSNAMELEN]; 169 170 #define szsigcode (esigcode - sigcode) 171 172 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 173 return (EINVAL); 174 if ((oflags & SUNM_NEWTYPE) == 0) 175 return (EINVAL); 176 nflags = 0; 177 if (oflags & SUNM_RDONLY) 178 nflags |= MNT_RDONLY; 179 if (oflags & SUNM_NOSUID) 180 nflags |= MNT_NOSUID; 181 if (oflags & SUNM_REMOUNT) 182 nflags |= MNT_UPDATE; 183 SCARG(uap, flags) = nflags; 184 185 if (error = copyinstr((caddr_t)SCARG(uap, type), fsname, 186 sizeof fsname, (size_t *)0)) 187 return (error); 188 189 if (strcmp(fsname, "4.2") == 0) { 190 SCARG(uap, type) = STACKGAPBASE; 191 if (error = copyout("ufs", SCARG(uap, type), sizeof("ufs"))) 192 return (error); 193 } else if (strcmp(fsname, "nfs") == 0) { 194 struct sunos_nfs_args sna; 195 struct sockaddr_in sain; 196 struct nfs_args na; 197 struct sockaddr sa; 198 199 if (error = copyin(SCARG(uap, data), &sna, sizeof sna)) 200 return (error); 201 if (error = copyin(sna.addr, &sain, sizeof sain)) 202 return (error); 203 bcopy(&sain, &sa, sizeof sa); 204 sa.sa_len = sizeof(sain); 205 SCARG(uap, data) = STACKGAPBASE; 206 na.addr = (struct sockaddr *)((int)SCARG(uap, data) + sizeof na); 207 na.addrlen = sizeof(struct sockaddr); 208 na.sotype = SOCK_DGRAM; 209 na.proto = IPPROTO_UDP; 210 na.fh = (nfsv2fh_t *)sna.fh; 211 na.flags = sna.flags; 212 na.wsize = sna.wsize; 213 na.rsize = sna.rsize; 214 na.timeo = sna.timeo; 215 na.retrans = sna.retrans; 216 na.hostname = sna.hostname; 217 218 if (error = copyout(&sa, na.addr, sizeof sa)) 219 return (error); 220 if (error = copyout(&na, SCARG(uap, data), sizeof na)) 221 return (error); 222 } 223 return (mount(p, (struct mount_args *)uap, retval)); 224 } 225 226 #if defined(NFSCLIENT) 227 int 228 async_daemon(p, uap, retval) 229 struct proc *p; 230 void *uap; 231 register_t *retval; 232 { 233 struct nfssvc_args ouap; 234 235 SCARG(&ouap, flag) = NFSSVC_BIOD; 236 SCARG(&ouap, argp) = NULL; 237 return nfssvc(p, &ouap, retval); 238 } 239 #endif /* NFSCLIENT */ 240 241 int 242 sunos_sigpending(p, uap, retval) 243 struct proc *p; 244 struct sunos_sigpending_args *uap; 245 register_t *retval; 246 { 247 int mask = p->p_siglist & p->p_sigmask; 248 249 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 250 } 251 252 /* 253 * Read Sun-style directory entries. We suck them into kernel space so 254 * that they can be massaged before being copied out to user code. Like 255 * SunOS, we squish out `empty' entries. 256 * 257 * This is quite ugly, but what do you expect from compatibility code? 258 */ 259 int 260 sunos_getdents(p, uap, retval) 261 struct proc *p; 262 register struct sunos_getdents_args *uap; 263 register_t *retval; 264 { 265 register struct vnode *vp; 266 register caddr_t inp, buf; /* BSD-format */ 267 register int len, reclen; /* BSD-format */ 268 register caddr_t outp; /* Sun-format */ 269 register int resid; /* Sun-format */ 270 struct file *fp; 271 struct uio auio; 272 struct iovec aiov; 273 off_t off; /* true file offset */ 274 long soff; /* Sun file offset */ 275 int buflen, error, eofflag; 276 #define BSD_DIRENT(cp) ((struct dirent *)(cp)) 277 #define SUNOS_RECLEN(reclen) (reclen + sizeof(long)) 278 279 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 280 return (error); 281 if ((fp->f_flag & FREAD) == 0) 282 return (EBADF); 283 vp = (struct vnode *)fp->f_data; 284 if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */ 285 return (EINVAL); 286 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 287 buf = malloc(buflen, M_TEMP, M_WAITOK); 288 VOP_LOCK(vp); 289 off = fp->f_offset; 290 again: 291 aiov.iov_base = buf; 292 aiov.iov_len = buflen; 293 auio.uio_iov = &aiov; 294 auio.uio_iovcnt = 1; 295 auio.uio_rw = UIO_READ; 296 auio.uio_segflg = UIO_SYSSPACE; 297 auio.uio_procp = p; 298 auio.uio_resid = buflen; 299 auio.uio_offset = off; 300 /* 301 * First we read into the malloc'ed buffer, then 302 * we massage it into user space, one record at a time. 303 */ 304 if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, 305 (u_long *)0, 0)) 306 goto out; 307 inp = buf; 308 outp = SCARG(uap, buf); 309 resid = SCARG(uap, nbytes); 310 if ((len = buflen - auio.uio_resid) == 0) 311 goto eof; 312 for (; len > 0; len -= reclen) { 313 reclen = ((struct dirent *)inp)->d_reclen; 314 if (reclen & 3) 315 panic("sunos_getdents"); 316 off += reclen; /* each entry points to next */ 317 if (BSD_DIRENT(inp)->d_fileno == 0) { 318 inp += reclen; /* it is a hole; squish it out */ 319 continue; 320 } 321 if (reclen > len || resid < SUNOS_RECLEN(reclen)) { 322 /* entry too big for buffer, so just stop */ 323 outp++; 324 break; 325 } 326 /* 327 * Massage in place to make a Sun-shaped dirent (otherwise 328 * we have to worry about touching user memory outside of 329 * the copyout() call). 330 */ 331 BSD_DIRENT(inp)->d_reclen = SUNOS_RECLEN(reclen); 332 #if notdef 333 BSD_DIRENT(inp)->d_type = 0; /* 4.4 specific */ 334 #endif 335 soff = off; 336 if ((error = copyout((caddr_t)&soff, outp, sizeof soff)) != 0 || 337 (error = copyout(inp, outp + sizeof soff, reclen)) != 0) 338 goto out; 339 /* advance past this real entry */ 340 inp += reclen; 341 /* advance output past Sun-shaped entry */ 342 outp += SUNOS_RECLEN(reclen); 343 resid -= SUNOS_RECLEN(reclen); 344 } 345 /* if we squished out the whole block, try again */ 346 if (outp == SCARG(uap, buf)) 347 goto again; 348 fp->f_offset = off; /* update the vnode offset */ 349 eof: 350 *retval = SCARG(uap, nbytes) - resid; 351 out: 352 VOP_UNLOCK(vp); 353 free(buf, M_TEMP); 354 return (error); 355 } 356 357 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 358 359 int 360 sunos_mmap(p, uap, retval) 361 register struct proc *p; 362 register struct sunos_mmap_args *uap; 363 register_t *retval; 364 { 365 struct mmap_args ouap; 366 register struct filedesc *fdp; 367 register struct file *fp; 368 register struct vnode *vp; 369 370 /* 371 * Verify the arguments. 372 */ 373 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 374 return (EINVAL); /* XXX still needed? */ 375 376 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 377 return (EINVAL); 378 379 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 380 SCARG(&ouap, addr) = SCARG(uap, addr); 381 382 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 383 SCARG(&ouap, addr) != 0 && 384 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 385 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 386 387 SCARG(&ouap, len) = SCARG(uap, len); 388 SCARG(&ouap, prot) = SCARG(uap, prot); 389 SCARG(&ouap, fd) = SCARG(uap, fd); 390 SCARG(&ouap, pos) = SCARG(uap, pos); 391 392 /* 393 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 394 */ 395 fdp = p->p_fd; 396 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 397 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 398 fp->f_type == DTYPE_VNODE && /*XXX*/ 399 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 400 iszerodev(vp->v_rdev)) { /*XXX*/ 401 SCARG(&ouap, flags) |= MAP_ANON; 402 SCARG(&ouap, fd) = -1; 403 } 404 405 return (mmap(p, &ouap, retval)); 406 } 407 408 #define MC_SYNC 1 409 #define MC_LOCK 2 410 #define MC_UNLOCK 3 411 #define MC_ADVISE 4 412 #define MC_LOCKAS 5 413 #define MC_UNLOCKAS 6 414 415 int 416 sunos_mctl(p, uap, retval) 417 register struct proc *p; 418 register struct sunos_mctl_args *uap; 419 register_t *retval; 420 { 421 422 switch (SCARG(uap, func)) { 423 case MC_ADVISE: /* ignore for now */ 424 return (0); 425 case MC_SYNC: /* translate to msync */ 426 return (msync(p, uap, retval)); 427 default: 428 return (EINVAL); 429 } 430 } 431 432 int 433 sunos_setsockopt(p, uap, retval) 434 struct proc *p; 435 register struct sunos_setsockopt_args *uap; 436 register_t *retval; 437 { 438 struct file *fp; 439 struct mbuf *m = NULL; 440 int error; 441 442 if (error = getsock(p->p_fd, SCARG(uap, s), &fp)) 443 return (error); 444 #define SO_DONTLINGER (~SO_LINGER) 445 if (SCARG(uap, name) == SO_DONTLINGER) { 446 m = m_get(M_WAIT, MT_SOOPTS); 447 if (m == NULL) 448 return (ENOBUFS); 449 mtod(m, struct linger *)->l_onoff = 0; 450 m->m_len = sizeof(struct linger); 451 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 452 SO_LINGER, m)); 453 } 454 if (SCARG(uap, level) == IPPROTO_IP) { 455 #define SUNOS_IP_MULTICAST_IF 2 456 #define SUNOS_IP_MULTICAST_TTL 3 457 #define SUNOS_IP_MULTICAST_LOOP 4 458 #define SUNOS_IP_ADD_MEMBERSHIP 5 459 #define SUNOS_IP_DROP_MEMBERSHIP 6 460 static int ipoptxlat[] = { 461 IP_MULTICAST_IF, 462 IP_MULTICAST_TTL, 463 IP_MULTICAST_LOOP, 464 IP_ADD_MEMBERSHIP, 465 IP_DROP_MEMBERSHIP 466 }; 467 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 468 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 469 SCARG(uap, name) = 470 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 471 } 472 } 473 if (SCARG(uap, valsize) > MLEN) 474 return (EINVAL); 475 if (SCARG(uap, val)) { 476 m = m_get(M_WAIT, MT_SOOPTS); 477 if (m == NULL) 478 return (ENOBUFS); 479 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 480 (u_int)SCARG(uap, valsize))) { 481 (void) m_free(m); 482 return (error); 483 } 484 m->m_len = SCARG(uap, valsize); 485 } 486 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 487 SCARG(uap, name), m)); 488 } 489 490 int 491 sunos_fchroot(p, uap, retval) 492 register struct proc *p; 493 register struct sunos_fchroot_args *uap; 494 register_t *retval; 495 { 496 register struct filedesc *fdp = p->p_fd; 497 register struct vnode *vp; 498 struct file *fp; 499 int error; 500 501 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 502 return (error); 503 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 504 return (error); 505 vp = (struct vnode *)fp->f_data; 506 VOP_LOCK(vp); 507 if (vp->v_type != VDIR) 508 error = ENOTDIR; 509 else 510 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 511 VOP_UNLOCK(vp); 512 if (error) 513 return (error); 514 VREF(vp); 515 if (fdp->fd_rdir != NULL) 516 vrele(fdp->fd_rdir); 517 fdp->fd_rdir = vp; 518 return (0); 519 } 520 521 /* 522 * XXX: This needs cleaning up. 523 */ 524 int 525 sunos_auditsys(p, uap, retval) 526 struct proc *p; 527 void *uap; 528 register_t *retval; 529 { 530 return 0; 531 } 532 533 int 534 sunos_uname(p, uap, retval) 535 struct proc *p; 536 struct sunos_uname_args *uap; 537 register_t *retval; 538 { 539 struct sunos_utsname sut; 540 extern char ostype[], machine[], osrelease[]; 541 542 bzero(&sut, sizeof(sut)); 543 544 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 545 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 546 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 547 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 548 bcopy("1", sut.version, sizeof(sut.version) - 1); 549 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 550 551 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 552 sizeof(struct sunos_utsname)); 553 } 554 555 int 556 sunos_setpgid(p, uap, retval) 557 struct proc *p; 558 struct sunos_setpgid_args *uap; 559 register_t *retval; 560 { 561 /* 562 * difference to our setpgid call is to include backwards 563 * compatibility to pre-setsid() binaries. Do setsid() 564 * instead of setpgid() in those cases where the process 565 * tries to create a new session the old way. 566 */ 567 if (!SCARG(uap, pgid) && (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 568 return setsid(p, uap, retval); 569 else 570 return setpgid(p, uap, retval); 571 } 572 573 int 574 sunos_open(p, uap, retval) 575 struct proc *p; 576 struct sunos_open_args *uap; 577 register_t *retval; 578 { 579 int l, r; 580 int noctty; 581 int ret; 582 583 /* convert mode into NetBSD mode */ 584 l = SCARG(uap, flags); 585 noctty = l & 0x8000; 586 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 587 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 588 r |= ((l & 0x0080) ? O_SHLOCK : 0); 589 r |= ((l & 0x0100) ? O_EXLOCK : 0); 590 r |= ((l & 0x2000) ? O_FSYNC : 0); 591 592 SCARG(uap, flags) = r; 593 ret = open(p, (struct open_args *)uap, retval); 594 595 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 596 struct filedesc *fdp = p->p_fd; 597 struct file *fp = fdp->fd_ofiles[*retval]; 598 599 /* ignore any error, just give it a try */ 600 if (fp->f_type == DTYPE_VNODE) 601 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p); 602 } 603 return ret; 604 } 605 606 #if defined (NFSSERVER) 607 int 608 sunos_nfssvc(p, uap, retval) 609 struct proc *p; 610 struct sunos_nfssvc_args *uap; 611 register_t *retval; 612 { 613 struct nfssvc_args outuap; 614 struct nfsd_srvargs nfsdarg; 615 struct sockaddr sa; 616 int error; 617 extern char sigcode[], esigcode[]; 618 619 #if 0 620 bzero(&outuap, sizeof outuap); 621 SCARG(&outuap, fd) = SCARG(uap, fd); 622 SCARG(&outuap, mskval) = STACKGAPBASE; 623 SCARG(&outuap, msklen) = sizeof sa; 624 SCARG(&outuap, mtchval) = SCARG(&outuap, mskval) + sizeof sa; 625 SCARG(&outuap, mtchlen) = sizeof sa; 626 627 bzero(&sa, sizeof sa); 628 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 629 return (error); 630 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 631 return (error); 632 633 return nfssvc(p, &outuap, retval); 634 #else 635 return (ENOSYS); 636 #endif 637 } 638 #endif /* NFSSERVER */ 639 640 int 641 sunos_ustat(p, uap, retval) 642 struct proc *p; 643 struct sunos_ustat_args *uap; 644 register_t *retval; 645 { 646 struct sunos_ustat us; 647 int error; 648 649 bzero(&us, sizeof us); 650 651 /* 652 * XXX: should set f_tfree and f_tinode at least 653 * How do we translate dev -> fstat? (and then to sunos_ustat) 654 */ 655 656 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 657 return (error); 658 return 0; 659 } 660 661 int 662 sunos_quotactl(p, uap, retval) 663 struct proc *p; 664 struct sunos_quotactl_args *uap; 665 register_t *retval; 666 { 667 return EINVAL; 668 } 669 670 int 671 sunos_vhangup(p, uap, retval) 672 struct proc *p; 673 void *uap; 674 register_t *retval; 675 { 676 return 0; 677 } 678 679 static 680 sunstatfs(sp, buf) 681 struct statfs *sp; 682 caddr_t buf; 683 { 684 struct sunos_statfs ssfs; 685 686 bzero(&ssfs, sizeof ssfs); 687 ssfs.f_type = 0; 688 ssfs.f_bsize = sp->f_bsize; 689 ssfs.f_blocks = sp->f_blocks; 690 ssfs.f_bfree = sp->f_bfree; 691 ssfs.f_bavail = sp->f_bavail; 692 ssfs.f_files = sp->f_files; 693 ssfs.f_ffree = sp->f_ffree; 694 ssfs.f_fsid = sp->f_fsid; 695 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 696 } 697 698 int 699 sunos_statfs(p, uap, retval) 700 struct proc *p; 701 struct sunos_statfs_args *uap; 702 register_t *retval; 703 { 704 register struct mount *mp; 705 register struct statfs *sp; 706 int error; 707 struct nameidata nd; 708 709 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 710 if (error = namei(&nd)) 711 return (error); 712 mp = nd.ni_vp->v_mount; 713 sp = &mp->mnt_stat; 714 vrele(nd.ni_vp); 715 if (error = VFS_STATFS(mp, sp, p)) 716 return (error); 717 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 718 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 719 } 720 721 int 722 sunos_fstatfs(p, uap, retval) 723 struct proc *p; 724 struct sunos_fstatfs_args *uap; 725 register_t *retval; 726 { 727 struct file *fp; 728 struct mount *mp; 729 register struct statfs *sp; 730 int error; 731 732 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 733 return (error); 734 mp = ((struct vnode *)fp->f_data)->v_mount; 735 sp = &mp->mnt_stat; 736 if (error = VFS_STATFS(mp, sp, p)) 737 return (error); 738 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 739 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 740 } 741 742 int 743 sunos_exportfs(p, uap, retval) 744 struct proc *p; 745 struct sunos_exportfs_args *uap; 746 register_t *retval; 747 { 748 /* 749 * XXX: should perhaps translate into a mount(2) 750 * with MOUNT_EXPORT? 751 */ 752 return 0; 753 } 754 755 int 756 sunos_mknod(p, uap, retval) 757 struct proc *p; 758 struct sunos_mknod_args *uap; 759 register_t *retval; 760 { 761 if (S_ISFIFO(SCARG(uap, mode))) 762 return mkfifo(p, uap, retval); 763 764 return mknod(p, (struct mknod_args *)uap, retval); 765 } 766 767 #define SUNOS_SC_ARG_MAX 1 768 #define SUNOS_SC_CHILD_MAX 2 769 #define SUNOS_SC_CLK_TCK 3 770 #define SUNOS_SC_NGROUPS_MAX 4 771 #define SUNOS_SC_OPEN_MAX 5 772 #define SUNOS_SC_JOB_CONTROL 6 773 #define SUNOS_SC_SAVED_IDS 7 774 #define SUNOS_SC_VERSION 8 775 776 int 777 sunos_sysconf(p, uap, retval) 778 struct proc *p; 779 struct sunos_sysconf_args *uap; 780 register_t *retval; 781 { 782 extern int maxfiles; 783 784 switch(SCARG(uap, name)) { 785 case SUNOS_SC_ARG_MAX: 786 *retval = ARG_MAX; 787 break; 788 case SUNOS_SC_CHILD_MAX: 789 *retval = maxproc; 790 break; 791 case SUNOS_SC_CLK_TCK: 792 *retval = 60; /* should this be `hz', ie. 100? */ 793 break; 794 case SUNOS_SC_NGROUPS_MAX: 795 *retval = NGROUPS_MAX; 796 break; 797 case SUNOS_SC_OPEN_MAX: 798 *retval = maxfiles; 799 break; 800 case SUNOS_SC_JOB_CONTROL: 801 *retval = 1; 802 break; 803 case SUNOS_SC_SAVED_IDS: 804 #ifdef _POSIX_SAVED_IDS 805 *retval = 1; 806 #else 807 *retval = 0; 808 #endif 809 break; 810 case SUNOS_SC_VERSION: 811 *retval = 198808; 812 break; 813 default: 814 return EINVAL; 815 } 816 return 0; 817 } 818 819 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 820 #define SUNOS_RLIM_NLIMITS 7 821 822 int 823 sunos_getrlimit(p, uap, retval) 824 struct proc *p; 825 struct sunos_getrlimit_args *uap; 826 register_t *retval; 827 { 828 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 829 return EINVAL; 830 831 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 832 SCARG(uap, which) = RLIMIT_NOFILE; 833 834 return compat_43_getrlimit(p, uap, retval); 835 } 836 837 int 838 sunos_setrlimit(p, uap, retval) 839 struct proc *p; 840 struct sunos_getrlimit_args *uap; 841 register_t *retval; 842 { 843 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 844 return EINVAL; 845 846 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 847 SCARG(uap, which) = RLIMIT_NOFILE; 848 849 return compat_43_setrlimit(p, uap, retval); 850 } 851 852 /* for the m68k machines */ 853 #ifndef PT_GETFPREGS 854 #define PT_GETFPREGS -1 855 #endif 856 #ifndef PT_SETFPREGS 857 #define PT_SETFPREGS -1 858 #endif 859 860 static int sreq2breq[] = { 861 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 862 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 863 PT_KILL, -1, PT_ATTACH, PT_DETACH, 864 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 865 }; 866 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 867 868 sunos_ptrace(p, uap, retval) 869 struct proc *p; 870 struct sunos_ptrace_args *uap; 871 int *retval; 872 { 873 struct ptrace_args pa; 874 int req; 875 876 req = SCARG(uap, req); 877 878 if (req < 0 || req >= nreqs) 879 return (EINVAL); 880 881 req = sreq2breq[req]; 882 if (req == -1) 883 return (EINVAL); 884 885 SCARG(&pa, req) = req; 886 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 887 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 888 SCARG(&pa, data) = SCARG(uap, data); 889 890 return ptrace(p, &pa, retval); 891 } 892 893 static void 894 sunos_pollscan(p, pl, nfd, retval) 895 struct proc *p; 896 struct sunos_pollfd *pl; 897 int nfd; 898 register_t *retval; 899 { 900 register struct filedesc *fdp = p->p_fd; 901 register int msk, i; 902 struct file *fp; 903 int n = 0; 904 static int flag[3] = { FREAD, FWRITE, 0 }; 905 static int pflag[3] = { SUNOS_POLLIN|SUNOS_POLLRDNORM, 906 SUNOS_POLLOUT, SUNOS_POLLERR }; 907 908 /* 909 * XXX: We need to implement the rest of the flags. 910 */ 911 for (i = 0; i < nfd; i++) { 912 fp = fdp->fd_ofiles[pl[i].fd]; 913 if (fp == NULL) { 914 if (pl[i].events & SUNOS_POLLNVAL) { 915 pl[i].revents |= SUNOS_POLLNVAL; 916 n++; 917 } 918 continue; 919 } 920 for (msk = 0; msk < 3; msk++) { 921 if (pl[i].events & pflag[msk]) { 922 if ((*fp->f_ops->fo_select)(fp, flag[msk], p)) { 923 pl[i].revents |= 924 pflag[msk] & pl[i].events; 925 n++; 926 } 927 } 928 } 929 } 930 *retval = n; 931 } 932 933 934 /* 935 * We are using the same mechanism as select only we encode/decode args 936 * differently. 937 */ 938 int 939 sunos_poll(p, uap, retval) 940 struct proc *p; 941 struct sunos_poll_args *uap; 942 register_t *retval; 943 { 944 int i, s; 945 int error, error2; 946 size_t sz = sizeof(struct sunos_pollfd) * SCARG(uap, nfds); 947 struct sunos_pollfd *pl; 948 int msec = SCARG(uap, timeout); 949 struct timeval atv; 950 int timo; 951 u_int ni; 952 int ncoll; 953 extern int nselcoll, selwait; 954 955 pl = (struct sunos_pollfd *) malloc(sz, M_TEMP, M_WAITOK); 956 957 if (error = copyin(SCARG(uap, fds), pl, sz)) 958 goto bad; 959 960 for (i = 0; i < SCARG(uap, nfds); i++) 961 pl[i].revents = 0; 962 963 if (msec != -1) { 964 atv.tv_sec = msec / 1000; 965 atv.tv_usec = (msec - (atv.tv_sec * 1000)) * 1000; 966 967 if (itimerfix(&atv)) { 968 error = EINVAL; 969 goto done; 970 } 971 s = splclock(); 972 __timeradd(&atv, &time); 973 timo = hzto(&atv); 974 /* 975 * Avoid inadvertently sleeping forever. 976 */ 977 if (timo == 0) 978 timo = 1; 979 splx(s); 980 } else 981 timo = 0; 982 983 retry: 984 ncoll = nselcoll; 985 p->p_flag |= P_SELECT; 986 sunos_pollscan(p, pl, SCARG(uap, nfds), retval); 987 if (*retval) 988 goto done; 989 s = splhigh(); 990 if (timo && timercmp(&time, &atv, >=)) { 991 splx(s); 992 goto done; 993 } 994 if ((p->p_flag & P_SELECT) == 0 || nselcoll != ncoll) { 995 splx(s); 996 goto retry; 997 } 998 p->p_flag &= ~P_SELECT; 999 error = tsleep((caddr_t)&selwait, PSOCK | PCATCH, "sunos_poll", timo); 1000 splx(s); 1001 if (error == 0) 1002 goto retry; 1003 1004 done: 1005 p->p_flag &= ~P_SELECT; 1006 /* poll is not restarted after signals... */ 1007 if (error == ERESTART) 1008 error = EINTR; 1009 if (error == EWOULDBLOCK) 1010 error = 0; 1011 1012 if (error2 = copyout(pl, SCARG(uap, fds), sz)) 1013 error = error2; 1014 1015 bad: 1016 free((char *) pl, M_TEMP); 1017 1018 return (error); 1019 } 1020
Indexes created Tue Oct 14 11:09:46 GMT 2025