sunos_misc.c revision 1.35
1 /* $NetBSD: sunos_misc.c,v 1.35 1994/11/20 21:31:12 deraadt 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, (u_int *)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, valsize) > MLEN) 455 return (EINVAL); 456 if (SCARG(uap, val)) { 457 m = m_get(M_WAIT, MT_SOOPTS); 458 if (m == NULL) 459 return (ENOBUFS); 460 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 461 (u_int)SCARG(uap, valsize))) { 462 (void) m_free(m); 463 return (error); 464 } 465 m->m_len = SCARG(uap, valsize); 466 } 467 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 468 SCARG(uap, name), m)); 469 } 470 471 int 472 sunos_fchroot(p, uap, retval) 473 register struct proc *p; 474 register struct sunos_fchroot_args *uap; 475 register_t *retval; 476 { 477 register struct filedesc *fdp = p->p_fd; 478 register struct vnode *vp; 479 struct file *fp; 480 int error; 481 482 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 483 return (error); 484 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) 485 return (error); 486 vp = (struct vnode *)fp->f_data; 487 VOP_LOCK(vp); 488 if (vp->v_type != VDIR) 489 error = ENOTDIR; 490 else 491 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); 492 VOP_UNLOCK(vp); 493 if (error) 494 return (error); 495 VREF(vp); 496 if (fdp->fd_rdir != NULL) 497 vrele(fdp->fd_rdir); 498 fdp->fd_rdir = vp; 499 return (0); 500 } 501 502 /* 503 * XXX: This needs cleaning up. 504 */ 505 int 506 sunos_auditsys(...) 507 { 508 return 0; 509 } 510 511 int 512 sunos_uname(p, uap, retval) 513 struct proc *p; 514 struct sunos_uname_args *uap; 515 register_t *retval; 516 { 517 struct sunos_utsname sut; 518 extern char ostype[], machine[], osrelease[]; 519 520 bzero(&sut, sizeof(sut)); 521 522 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 523 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 524 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 525 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 526 bcopy("1", sut.version, sizeof(sut.version) - 1); 527 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 528 529 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 530 sizeof(struct sunos_utsname)); 531 } 532 533 int 534 sunos_setpgid(p, uap, retval) 535 struct proc *p; 536 struct sunos_setpgid_args *uap; 537 register_t *retval; 538 { 539 /* 540 * difference to our setpgid call is to include backwards 541 * compatibility to pre-setsid() binaries. Do setsid() 542 * instead of setpgid() in those cases where the process 543 * tries to create a new session the old way. 544 */ 545 if (!SCARG(uap, pgid) && (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 546 return setsid(p, uap, retval); 547 else 548 return setpgid(p, uap, retval); 549 } 550 551 int 552 sunos_open(p, uap, retval) 553 struct proc *p; 554 struct sunos_open_args *uap; 555 register_t *retval; 556 { 557 int l, r; 558 int noctty = SCARG(uap, mode) & 0x8000; 559 int ret; 560 561 /* convert mode into NetBSD mode */ 562 l = SCARG(uap, mode); 563 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 564 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 565 r |= ((l & 0x0080) ? O_SHLOCK : 0); 566 r |= ((l & 0x0100) ? O_EXLOCK : 0); 567 r |= ((l & 0x2000) ? O_FSYNC : 0); 568 569 SCARG(uap, mode) = r; 570 ret = open(p, (struct open_args *)uap, retval); 571 572 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 573 struct filedesc *fdp = p->p_fd; 574 struct file *fp = fdp->fd_ofiles[*retval]; 575 576 /* ignore any error, just give it a try */ 577 if (fp->f_type == DTYPE_VNODE) 578 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p); 579 } 580 return ret; 581 } 582 583 #if defined (NFSSERVER) 584 int 585 sunos_nfssvc(p, uap, retval) 586 struct proc *p; 587 struct sunos_nfssvc_args *uap; 588 register_t *retval; 589 { 590 struct nfssvc_args outuap; 591 struct nfsd_srvargs nfsdarg; 592 struct sockaddr sa; 593 int error; 594 extern char sigcode[], esigcode[]; 595 596 #if 0 597 bzero(&outuap, sizeof outuap); 598 SCARG(&outuap, fd) = SCARG(uap, fd); 599 SCARG(&outuap, mskval) = STACKGAPBASE; 600 SCARG(&outuap, msklen) = sizeof sa; 601 SCARG(&outuap, mtchval) = SCARG(&outuap, mskval) + sizeof sa; 602 SCARG(&outuap, mtchlen) = sizeof sa; 603 604 bzero(&sa, sizeof sa); 605 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 606 return (error); 607 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 608 return (error); 609 610 return nfssvc(p, &outuap, retval); 611 #else 612 return (ENOSYS); 613 #endif 614 } 615 #endif /* NFSSERVER */ 616 617 int 618 sunos_ustat(p, uap, retval) 619 struct proc *p; 620 struct sunos_ustat_args *uap; 621 register_t *retval; 622 { 623 struct sunos_ustat us; 624 int error; 625 626 bzero(&us, sizeof us); 627 628 /* 629 * XXX: should set f_tfree and f_tinode at least 630 * How do we translate dev -> fstat? (and then to sunos_ustat) 631 */ 632 633 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 634 return (error); 635 return 0; 636 } 637 638 int 639 sunos_quotactl(p, uap, retval) 640 struct proc *p; 641 struct sunos_quotactl_args *uap; 642 register_t *retval; 643 { 644 return EINVAL; 645 } 646 647 int 648 sunos_vhangup(p, uap, retval) 649 struct proc *p; 650 void *uap; 651 register_t *retval; 652 { 653 return 0; 654 } 655 656 static 657 sunstatfs(sp, buf) 658 struct statfs *sp; 659 caddr_t buf; 660 { 661 struct sunos_statfs ssfs; 662 663 bzero(&ssfs, sizeof ssfs); 664 ssfs.f_type = 0; 665 ssfs.f_bsize = sp->f_bsize; 666 ssfs.f_blocks = sp->f_blocks; 667 ssfs.f_bfree = sp->f_bfree; 668 ssfs.f_bavail = sp->f_bavail; 669 ssfs.f_files = sp->f_files; 670 ssfs.f_ffree = sp->f_ffree; 671 ssfs.f_fsid = sp->f_fsid; 672 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 673 } 674 675 int 676 sunos_statfs(p, uap, retval) 677 struct proc *p; 678 struct sunos_statfs_args *uap; 679 register_t *retval; 680 { 681 register struct mount *mp; 682 register struct statfs *sp; 683 int error; 684 struct nameidata nd; 685 686 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 687 if (error = namei(&nd)) 688 return (error); 689 mp = nd.ni_vp->v_mount; 690 sp = &mp->mnt_stat; 691 vrele(nd.ni_vp); 692 if (error = VFS_STATFS(mp, sp, p)) 693 return (error); 694 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 695 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 696 } 697 698 int 699 sunos_fstatfs(p, uap, retval) 700 struct proc *p; 701 struct sunos_fstatfs_args *uap; 702 register_t *retval; 703 { 704 struct file *fp; 705 struct mount *mp; 706 register struct statfs *sp; 707 int error; 708 709 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 710 return (error); 711 mp = ((struct vnode *)fp->f_data)->v_mount; 712 sp = &mp->mnt_stat; 713 if (error = VFS_STATFS(mp, sp, p)) 714 return (error); 715 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 716 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 717 } 718 719 int 720 sunos_exportfs(p, uap, retval) 721 struct proc *p; 722 struct sunos_exportfs_args *uap; 723 register_t *retval; 724 { 725 /* 726 * XXX: should perhaps translate into a mount(2) 727 * with MOUNT_EXPORT? 728 */ 729 return 0; 730 } 731 732 int 733 sunos_mknod(p, uap, retval) 734 struct proc *p; 735 struct sunos_mknod_args *uap; 736 register_t *retval; 737 { 738 if (S_ISFIFO(SCARG(uap, mode))) 739 return mkfifo(p, uap, retval); 740 741 return mknod(p, (struct mknod_args *)uap, retval); 742 } 743 744 #define SUNOS_SC_ARG_MAX 1 745 #define SUNOS_SC_CHILD_MAX 2 746 #define SUNOS_SC_CLK_TCK 3 747 #define SUNOS_SC_NGROUPS_MAX 4 748 #define SUNOS_SC_OPEN_MAX 5 749 #define SUNOS_SC_JOB_CONTROL 6 750 #define SUNOS_SC_SAVED_IDS 7 751 #define SUNOS_SC_VERSION 8 752 753 int 754 sunos_sysconf(p, uap, retval) 755 struct proc *p; 756 struct sunos_sysconf_args *uap; 757 register_t *retval; 758 { 759 extern int maxfiles; 760 761 switch(SCARG(uap, name)) { 762 case SUNOS_SC_ARG_MAX: 763 *retval = ARG_MAX; 764 break; 765 case SUNOS_SC_CHILD_MAX: 766 *retval = maxproc; 767 break; 768 case SUNOS_SC_CLK_TCK: 769 *retval = 60; /* should this be `hz', ie. 100? */ 770 break; 771 case SUNOS_SC_NGROUPS_MAX: 772 *retval = NGROUPS_MAX; 773 break; 774 case SUNOS_SC_OPEN_MAX: 775 *retval = maxfiles; 776 break; 777 case SUNOS_SC_JOB_CONTROL: 778 *retval = 1; 779 break; 780 case SUNOS_SC_SAVED_IDS: 781 #ifdef _POSIX_SAVED_IDS 782 *retval = 1; 783 #else 784 *retval = 0; 785 #endif 786 break; 787 case SUNOS_SC_VERSION: 788 *retval = 198808; 789 break; 790 default: 791 return EINVAL; 792 } 793 return 0; 794 } 795 796 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 797 #define SUNOS_RLIM_NLIMITS 7 798 799 int 800 sunos_getrlimit(p, uap, retval) 801 struct proc *p; 802 struct sunos_getrlimit_args *uap; 803 register_t *retval; 804 { 805 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 806 return EINVAL; 807 808 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 809 SCARG(uap, which) = RLIMIT_NOFILE; 810 811 return compat_43_getrlimit(p, uap, retval); 812 } 813 814 int 815 sunos_setrlimit(p, uap, retval) 816 struct proc *p; 817 struct sunos_getrlimit_args *uap; 818 register_t *retval; 819 { 820 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 821 return EINVAL; 822 823 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 824 SCARG(uap, which) = RLIMIT_NOFILE; 825 826 return compat_43_setrlimit(p, uap, retval); 827 } 828 829 static int sreq2breq[] = { 830 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 831 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 832 PT_KILL, -1, PT_ATTACH, PT_DETACH, 833 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 834 }; 835 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 836 837 sunos_ptrace(p, uap, retval) 838 struct proc *p; 839 struct sunos_ptrace_args *uap; 840 int *retval; 841 { 842 struct ptrace_args pa; 843 int req; 844 845 req = SCARG(uap, req); 846 847 if (req < 0 || req >= nreqs) 848 return (EINVAL); 849 850 req = sreq2breq[req]; 851 if (req == -1) 852 return (EINVAL); 853 854 SCARG(&pa, req) = req; 855 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 856 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 857 SCARG(&pa, data) = SCARG(uap, data); 858 859 return ptrace(p, &pa, retval); 860 } 861 862 static void 863 sunos_pollscan(p, pl, nfd, retval) 864 struct proc *p; 865 struct sunos_pollfd *pl; 866 int nfd; 867 register_t *retval; 868 { 869 register struct filedesc *fdp = p->p_fd; 870 register int msk, i; 871 struct file *fp; 872 int n = 0; 873 static int flag[3] = { FREAD, FWRITE, 0 }; 874 static int pflag[3] = { SUNOS_POLLIN|SUNOS_POLLRDNORM, 875 SUNOS_POLLOUT, SUNOS_POLLERR }; 876 877 /* 878 * XXX: We need to implement the rest of the flags. 879 */ 880 for (i = 0; i < nfd; i++) { 881 fp = fdp->fd_ofiles[pl[i].fd]; 882 if (fp == NULL) { 883 if (pl[i].events & SUNOS_POLLNVAL) { 884 pl[i].revents |= SUNOS_POLLNVAL; 885 n++; 886 } 887 continue; 888 } 889 for (msk = 0; msk < 3; msk++) { 890 if (pl[i].events & pflag[msk]) { 891 if ((*fp->f_ops->fo_select)(fp, flag[msk], p)) { 892 pl[i].revents |= 893 pflag[msk] & pl[i].events; 894 n++; 895 } 896 } 897 } 898 } 899 *retval = n; 900 } 901 902 903 /* 904 * We are using the same mechanism as select only we encode/decode args 905 * differently. 906 */ 907 int 908 sunos_poll(p, uap, retval) 909 struct proc *p; 910 struct sunos_poll_args *uap; 911 register_t *retval; 912 { 913 int i, s; 914 int error, error2; 915 size_t sz = sizeof(struct sunos_pollfd) * SCARG(uap, nfds); 916 struct sunos_pollfd *pl; 917 int msec = SCARG(uap, timeout); 918 struct timeval atv; 919 int timo; 920 u_int ni; 921 int ncoll; 922 extern int nselcoll, selwait; 923 924 pl = (struct sunos_pollfd *) malloc(sz, M_TEMP, M_WAITOK); 925 926 if (error = copyin(SCARG(uap, fds), pl, sz)) 927 goto bad; 928 929 for (i = 0; i < SCARG(uap, nfds); i++) 930 pl[i].revents = 0; 931 932 if (msec != -1) { 933 atv.tv_sec = msec / 1000; 934 atv.tv_usec = (msec - (atv.tv_sec * 1000)) * 1000; 935 936 if (itimerfix(&atv)) { 937 error = EINVAL; 938 goto done; 939 } 940 s = splclock(); 941 timevaladd(&atv, (struct timeval *)&time); 942 timo = hzto(&atv); 943 /* 944 * Avoid inadvertently sleeping forever. 945 */ 946 if (timo == 0) 947 timo = 1; 948 splx(s); 949 } else 950 timo = 0; 951 952 retry: 953 ncoll = nselcoll; 954 p->p_flag |= P_SELECT; 955 sunos_pollscan(p, pl, SCARG(uap, nfds), retval); 956 if (*retval) 957 goto done; 958 s = splhigh(); 959 if (timo && timercmp(&time, &atv, >=)) { 960 splx(s); 961 goto done; 962 } 963 if ((p->p_flag & P_SELECT) == 0 || nselcoll != ncoll) { 964 splx(s); 965 goto retry; 966 } 967 p->p_flag &= ~P_SELECT; 968 error = tsleep((caddr_t)&selwait, PSOCK | PCATCH, "sunos_poll", timo); 969 splx(s); 970 if (error == 0) 971 goto retry; 972 973 done: 974 p->p_flag &= ~P_SELECT; 975 /* poll is not restarted after signals... */ 976 if (error == ERESTART) 977 error = EINTR; 978 if (error == EWOULDBLOCK) 979 error = 0; 980 981 if (error2 = copyout(pl, SCARG(uap, fds), sz)) 982 error = error2; 983 984 bad: 985 free((char *) pl, M_TEMP); 986 987 return (error); 988 } 989
Indexes created Wed Oct 15 16:09:53 GMT 2025