sunos_misc.c revision 1.153.2.1
1 /* $NetBSD: sunos_misc.c,v 1.153.2.1 2007/12/08 17:57:04 ad 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 1.153.2.1 2007/12/08 17:57:04 ad Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "opt_ptrace.h" 58 #include "fs_nfs.h" 59 #endif 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscall.h> 89 #include <sys/syscallargs.h> 90 #include <sys/conf.h> 91 #include <sys/socketvar.h> 92 #include <sys/exec.h> 93 #include <sys/swap.h> 94 #include <sys/kauth.h> 95 96 #include <compat/sys/signal.h> 97 98 #include <compat/sunos/sunos.h> 99 #include <compat/sunos/sunos_syscallargs.h> 100 #include <compat/common/compat_util.h> 101 #include <compat/sunos/sunos_dirent.h> 102 #include <compat/sys/mount.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(struct statvfs *, void *); 114 115 int 116 sunos_sys_stime(l, v, retval) 117 struct lwp *l; 118 void *v; 119 register_t *retval; 120 { 121 struct sunos_sys_stime_args *uap = v; 122 struct timeval tv; 123 int error; 124 125 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 126 if (error) 127 return error; 128 tv.tv_usec = 0; 129 130 return settimeofday1(&tv, false, NULL, l, true); 131 } 132 133 int 134 sunos_sys_wait4(l, v, retval) 135 struct lwp *l; 136 void *v; 137 register_t *retval; 138 { 139 struct sunos_sys_wait4_args *uap = v; 140 if (SCARG(uap, pid) == 0) 141 SCARG(uap, pid) = WAIT_ANY; 142 return (sys_wait4(l, uap, retval)); 143 } 144 145 int 146 sunos_sys_creat(l, v, retval) 147 struct lwp *l; 148 void *v; 149 register_t *retval; 150 { 151 struct sunos_sys_creat_args *uap = v; 152 struct sys_open_args ouap; 153 154 SCARG(&ouap, path) = SCARG(uap, path); 155 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 156 SCARG(&ouap, mode) = SCARG(uap, mode); 157 158 return (sys_open(l, &ouap, retval)); 159 } 160 161 int 162 sunos_sys_access(l, v, retval) 163 struct lwp *l; 164 void *v; 165 register_t *retval; 166 { 167 struct sunos_sys_lstat_args *uap = v; 168 169 return (sys_access(l, uap, retval)); 170 } 171 172 int 173 sunos_sys_stat(l, v, retval) 174 struct lwp *l; 175 void *v; 176 register_t *retval; 177 { 178 struct sunos_sys_lstat_args *uap = v; 179 180 return (compat_43_sys_stat(l, uap, retval)); 181 } 182 183 int 184 sunos_sys_lstat(l, v, retval) 185 struct lwp *l; 186 void *v; 187 register_t *retval; 188 { 189 struct sunos_sys_lstat_args *uap = v; 190 191 return (compat_43_sys_lstat(l, uap, retval)); 192 } 193 194 int 195 sunos_sys_execv(l, v, retval) 196 struct lwp *l; 197 void *v; 198 register_t *retval; 199 { 200 struct sunos_sys_execv_args /* { 201 syscallarg(const char *) path; 202 syscallarg(char **) argv; 203 } */ *uap = v; 204 struct sys_execve_args ap; 205 206 SCARG(&ap, path) = SCARG(uap, path); 207 SCARG(&ap, argp) = SCARG(uap, argp); 208 SCARG(&ap, envp) = NULL; 209 210 return (sys_execve(l, &ap, retval)); 211 } 212 213 int 214 sunos_sys_execve(l, v, retval) 215 struct lwp *l; 216 void *v; 217 register_t *retval; 218 { 219 struct sunos_sys_execve_args /* { 220 syscallarg(const char *) path; 221 syscallarg(char **) argv; 222 syscallarg(char **) envp; 223 } */ *uap = v; 224 struct sys_execve_args ap; 225 226 SCARG(&ap, path) = SCARG(uap, path); 227 SCARG(&ap, argp) = SCARG(uap, argp); 228 SCARG(&ap, envp) = SCARG(uap, envp); 229 230 return (sys_execve(l, &ap, retval)); 231 } 232 233 int 234 sunos_sys_omsync(l, v, retval) 235 struct lwp *l; 236 void *v; 237 register_t *retval; 238 { 239 struct sunos_sys_omsync_args *uap = v; 240 struct sys___msync13_args ouap; 241 242 SCARG(&ouap, addr) = SCARG(uap, addr); 243 SCARG(&ouap, len) = SCARG(uap, len); 244 SCARG(&ouap, flags) = SCARG(uap, flags); 245 246 return (sys___msync13(l, &ouap, retval)); 247 } 248 249 int 250 sunos_sys_unmount(l, v, retval) 251 struct lwp *l; 252 void *v; 253 register_t *retval; 254 { 255 struct sunos_sys_unmount_args *uap = v; 256 struct sys_unmount_args ouap; 257 258 SCARG(&ouap, path) = SCARG(uap, path); 259 SCARG(&ouap, flags) = 0; 260 261 return (sys_unmount(l, &ouap, retval)); 262 } 263 264 /* 265 * Conversion table for SunOS NFS mount flags. 266 */ 267 static struct { 268 int sun_flg; 269 int bsd_flg; 270 } sunnfs_flgtab[] = { 271 { SUNNFS_SOFT, NFSMNT_SOFT }, 272 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 273 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 274 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 275 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 276 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 277 { SUNNFS_INT, NFSMNT_INT }, 278 { SUNNFS_NOAC, 0 }, /* Ignored */ 279 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 280 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 281 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 282 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 283 { SUNNFS_SECURE, 0 }, /* Ignored */ 284 { SUNNFS_NOCTO, 0 }, /* Ignored */ 285 { SUNNFS_POSIX, 0 } /* Ignored */ 286 }; 287 288 int 289 sunos_sys_mount(l, v, retval) 290 struct lwp *l; 291 void *v; 292 register_t *retval; 293 { 294 struct sunos_sys_mount_args *uap = v; 295 int oflags = SCARG(uap, flags), nflags, error; 296 char fsname[MFSNAMELEN]; 297 register_t dummy; 298 299 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 300 return (EINVAL); 301 if ((oflags & SUNM_NEWTYPE) == 0) 302 return (EINVAL); 303 nflags = 0; 304 if (oflags & SUNM_RDONLY) 305 nflags |= MNT_RDONLY; 306 if (oflags & SUNM_NOSUID) 307 nflags |= MNT_NOSUID; 308 if (oflags & SUNM_REMOUNT) 309 nflags |= MNT_UPDATE; 310 311 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 312 if (error) 313 return (error); 314 315 if (strcmp(fsname, "nfs") == 0) { 316 struct sunos_nfs_args sna; 317 struct nfs_args na; 318 int n; 319 320 error = copyin(SCARG(uap, data), &sna, sizeof sna); 321 if (error) 322 return (error); 323 /* sa.sa_len = sizeof(sain); */ 324 na.version = NFS_ARGSVERSION; 325 na.addr = (void *)sna.addr; 326 na.addrlen = sizeof(struct sockaddr); 327 na.sotype = SOCK_DGRAM; 328 na.proto = IPPROTO_UDP; 329 na.fh = sna.fh; 330 na.fhsize = NFSX_V2FH; 331 na.flags = 0; 332 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 333 while (--n >= 0) 334 if (sna.flags & sunnfs_flgtab[n].sun_flg) 335 na.flags |= sunnfs_flgtab[n].bsd_flg; 336 na.wsize = sna.wsize; 337 na.rsize = sna.rsize; 338 if (na.flags & NFSMNT_RSIZE) { 339 na.flags |= NFSMNT_READDIRSIZE; 340 na.readdirsize = na.rsize; 341 } 342 na.timeo = sna.timeo; 343 na.retrans = sna.retrans; 344 na.hostname = /* (char *)(u_long) */ sna.hostname; 345 346 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 347 SCARG(uap, dir), nflags, &na, 348 UIO_SYSSPACE, sizeof na, &dummy); 349 } 350 351 if (strcmp(fsname, "4.2") == 0) 352 strcpy(fsname, "ffs"); 353 354 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 355 SCARG(uap, dir), nflags, SCARG(uap, data), 356 UIO_USERSPACE, 0, &dummy); 357 } 358 359 #if defined(NFS) 360 int 361 async_daemon(l, v, retval) 362 struct lwp *l; 363 void *v; 364 register_t *retval; 365 { 366 struct sys_nfssvc_args ouap; 367 368 SCARG(&ouap, flag) = NFSSVC_BIOD; 369 SCARG(&ouap, argp) = NULL; 370 371 return (sys_nfssvc(l, &ouap, retval)); 372 } 373 #endif /* NFS */ 374 375 void native_to_sunos_sigset(const sigset_t *, int *); 376 void sunos_to_native_sigset(const int, sigset_t *); 377 378 inline void 379 native_to_sunos_sigset(ss, mask) 380 const sigset_t *ss; 381 int *mask; 382 { 383 *mask = ss->__bits[0]; 384 } 385 386 inline void 387 sunos_to_native_sigset(mask, ss) 388 const int mask; 389 sigset_t *ss; 390 { 391 392 ss->__bits[0] = mask; 393 ss->__bits[1] = 0; 394 ss->__bits[2] = 0; 395 ss->__bits[3] = 0; 396 } 397 398 int 399 sunos_sys_sigpending(l, v, retval) 400 struct lwp *l; 401 void *v; 402 register_t *retval; 403 { 404 struct sunos_sys_sigpending_args *uap = v; 405 sigset_t ss; 406 int mask; 407 408 sigpending1(l, &ss); 409 native_to_sunos_sigset(&ss, &mask); 410 411 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 412 } 413 414 int 415 sunos_sys_sigsuspend(l, v, retval) 416 struct lwp *l; 417 void *v; 418 register_t *retval; 419 { 420 struct sunos_sys_sigsuspend_args /* { 421 syscallarg(int) mask; 422 } */ *uap = v; 423 int mask; 424 sigset_t ss; 425 426 mask = SCARG(uap, mask); 427 sunos_to_native_sigset(mask, &ss); 428 return (sigsuspend1(l, &ss)); 429 } 430 431 /* 432 * Read Sun-style directory entries. We suck them into kernel space so 433 * that they can be massaged before being copied out to user code. Like 434 * SunOS, we squish out `empty' entries. 435 * 436 * This is quite ugly, but what do you expect from compatibility code? 437 */ 438 int 439 sunos_sys_getdents(l, v, retval) 440 struct lwp *l; 441 void *v; 442 register_t *retval; 443 { 444 struct sunos_sys_getdents_args *uap = v; 445 struct proc *p = l->l_proc; 446 struct dirent *bdp; 447 struct vnode *vp; 448 char *inp, *buf; /* BSD-format */ 449 int len, reclen; /* BSD-format */ 450 char *outp; /* Sun-format */ 451 int resid, sunos_reclen;/* Sun-format */ 452 struct file *fp; 453 struct uio auio; 454 struct iovec aiov; 455 struct sunos_dirent idb; 456 off_t off; /* true file offset */ 457 int buflen, error, eofflag; 458 off_t *cookiebuf, *cookie; 459 int ncookies; 460 461 /* getvnode() will use the descriptor for us */ 462 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 463 return (error); 464 465 if ((fp->f_flag & FREAD) == 0) { 466 error = EBADF; 467 goto out1; 468 } 469 470 vp = (struct vnode *)fp->f_data; 471 if (vp->v_type != VDIR) { 472 error = EINVAL; 473 goto out1; 474 } 475 476 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 477 buf = malloc(buflen, M_TEMP, M_WAITOK); 478 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 479 off = fp->f_offset; 480 again: 481 aiov.iov_base = buf; 482 aiov.iov_len = buflen; 483 auio.uio_iov = &aiov; 484 auio.uio_iovcnt = 1; 485 auio.uio_rw = UIO_READ; 486 auio.uio_resid = buflen; 487 auio.uio_offset = off; 488 UIO_SETUP_SYSSPACE(&auio); 489 /* 490 * First we read into the malloc'ed buffer, then 491 * we massage it into user space, one record at a time. 492 */ 493 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 494 &ncookies); 495 if (error) 496 goto out; 497 498 inp = buf; 499 outp = SCARG(uap, buf); 500 resid = SCARG(uap, nbytes); 501 if ((len = buflen - auio.uio_resid) == 0) 502 goto eof; 503 504 for (cookie = cookiebuf; len > 0; len -= reclen) { 505 bdp = (struct dirent *)inp; 506 reclen = bdp->d_reclen; 507 if (reclen & 3) 508 panic("sunos_getdents"); 509 if ((*cookie >> 32) != 0) { 510 compat_offseterr(vp, "sunos_getdents"); 511 error = EINVAL; 512 goto out; 513 } 514 if (bdp->d_fileno == 0) { 515 inp += reclen; /* it is a hole; squish it out */ 516 if (cookie) 517 off = *cookie++; 518 else 519 off += reclen; 520 continue; 521 } 522 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 523 if (reclen > len || resid < sunos_reclen) { 524 /* entry too big for buffer, so just stop */ 525 outp++; 526 break; 527 } 528 if (cookie) 529 off = *cookie++; /* each entry points to next */ 530 else 531 off += reclen; 532 /* 533 * Massage in place to make a Sun-shaped dirent (otherwise 534 * we have to worry about touching user memory outside of 535 * the copyout() call). 536 */ 537 idb.d_fileno = bdp->d_fileno; 538 idb.d_off = off; 539 idb.d_reclen = sunos_reclen; 540 idb.d_namlen = bdp->d_namlen; 541 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 542 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 543 goto out; 544 /* advance past this real entry */ 545 inp += reclen; 546 /* advance output past Sun-shaped entry */ 547 outp += sunos_reclen; 548 resid -= sunos_reclen; 549 } 550 551 /* if we squished out the whole block, try again */ 552 if (outp == SCARG(uap, buf)) 553 goto again; 554 fp->f_offset = off; /* update the vnode offset */ 555 556 eof: 557 *retval = SCARG(uap, nbytes) - resid; 558 out: 559 VOP_UNLOCK(vp, 0); 560 free(cookiebuf, M_TEMP); 561 free(buf, M_TEMP); 562 out1: 563 FILE_UNUSE(fp, l); 564 return (error); 565 } 566 567 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 568 569 int 570 sunos_sys_mmap(l, v, retval) 571 struct lwp *l; 572 void *v; 573 register_t *retval; 574 { 575 struct sunos_sys_mmap_args *uap = v; 576 struct sys_mmap_args ouap; 577 578 /* 579 * Verify the arguments. 580 */ 581 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 582 return (EINVAL); /* XXX still needed? */ 583 584 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 585 return (EINVAL); 586 587 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 588 SCARG(&ouap, addr) = SCARG(uap, addr); 589 SCARG(&ouap, len) = SCARG(uap, len); 590 SCARG(&ouap, prot) = SCARG(uap, prot); 591 SCARG(&ouap, fd) = SCARG(uap, fd); 592 SCARG(&ouap, pos) = SCARG(uap, pos); 593 594 return (sys_mmap(l, &ouap, retval)); 595 } 596 597 #define MC_SYNC 1 598 #define MC_LOCK 2 599 #define MC_UNLOCK 3 600 #define MC_ADVISE 4 601 #define MC_LOCKAS 5 602 #define MC_UNLOCKAS 6 603 604 int 605 sunos_sys_mctl(l, v, retval) 606 struct lwp *l; 607 void *v; 608 register_t *retval; 609 { 610 struct sunos_sys_mctl_args *uap = v; 611 612 switch (SCARG(uap, func)) { 613 case MC_ADVISE: /* ignore for now */ 614 return (0); 615 case MC_SYNC: /* translate to msync */ 616 return (sys___msync13(l, uap, retval)); 617 default: 618 return (EINVAL); 619 } 620 } 621 622 int 623 sunos_sys_setsockopt(l, v, retval) 624 struct lwp *l; 625 void *v; 626 register_t *retval; 627 { 628 struct sunos_sys_setsockopt_args *uap = v; 629 struct proc *p = l->l_proc; 630 struct file *fp; 631 struct mbuf *m = NULL; 632 int error; 633 634 /* getsock() will use the descriptor for us */ 635 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 636 return (error); 637 #define SO_DONTLINGER (~SO_LINGER) 638 if (SCARG(uap, name) == SO_DONTLINGER) { 639 m = m_get(M_WAIT, MT_SOOPTS); 640 mtod(m, struct linger *)->l_onoff = 0; 641 m->m_len = sizeof(struct linger); 642 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 643 SO_LINGER, m); 644 goto out; 645 } 646 if (SCARG(uap, level) == IPPROTO_IP) { 647 #define SUNOS_IP_MULTICAST_IF 2 648 #define SUNOS_IP_MULTICAST_TTL 3 649 #define SUNOS_IP_MULTICAST_LOOP 4 650 #define SUNOS_IP_ADD_MEMBERSHIP 5 651 #define SUNOS_IP_DROP_MEMBERSHIP 6 652 static const int ipoptxlat[] = { 653 IP_MULTICAST_IF, 654 IP_MULTICAST_TTL, 655 IP_MULTICAST_LOOP, 656 IP_ADD_MEMBERSHIP, 657 IP_DROP_MEMBERSHIP 658 }; 659 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 660 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 661 SCARG(uap, name) = 662 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 663 } 664 } 665 if (SCARG(uap, valsize) > MLEN) { 666 error = EINVAL; 667 goto out; 668 } 669 if (SCARG(uap, val)) { 670 m = m_get(M_WAIT, MT_SOOPTS); 671 error = copyin(SCARG(uap, val), mtod(m, void *), 672 (u_int)SCARG(uap, valsize)); 673 if (error) { 674 (void) m_free(m); 675 goto out; 676 } 677 m->m_len = SCARG(uap, valsize); 678 } 679 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 680 SCARG(uap, name), m); 681 out: 682 FILE_UNUSE(fp, l); 683 return (error); 684 } 685 686 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 687 int type); 688 static inline int 689 sunos_sys_socket_common(l, retval, type) 690 struct lwp *l; 691 register_t *retval; 692 int type; 693 { 694 struct socket *so; 695 struct file *fp; 696 int error, fd; 697 698 /* getsock() will use the descriptor for us */ 699 fd = (int)*retval; 700 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 701 so = (struct socket *)fp->f_data; 702 if (type == SOCK_DGRAM) 703 so->so_options |= SO_BROADCAST; 704 } 705 FILE_UNUSE(fp, l); 706 return (error); 707 } 708 709 int 710 sunos_sys_socket(l, v, retval) 711 struct lwp *l; 712 void *v; 713 register_t *retval; 714 { 715 struct sunos_sys_socket_args /* { 716 syscallarg(int) domain; 717 syscallarg(int) type; 718 syscallarg(int) protocol; 719 } */ *uap = v; 720 int error; 721 722 error = compat_30_sys_socket(l, v, retval); 723 if (error) 724 return (error); 725 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 726 } 727 728 int 729 sunos_sys_socketpair(l, v, retval) 730 struct lwp *l; 731 void *v; 732 register_t *retval; 733 { 734 struct sunos_sys_socketpair_args /* { 735 syscallarg(int) domain; 736 syscallarg(int) type; 737 syscallarg(int) protocol; 738 syscallarg(int *) rsv; 739 } */ *uap = v; 740 int error; 741 742 error = sys_socketpair(l, v, retval); 743 if (error) 744 return (error); 745 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 746 } 747 748 /* 749 * XXX: This needs cleaning up. 750 */ 751 int 752 sunos_sys_auditsys(l, v, retval) 753 struct lwp *l; 754 void *v; 755 register_t *retval; 756 { 757 return 0; 758 } 759 760 int 761 sunos_sys_uname(l, v, retval) 762 struct lwp *l; 763 void *v; 764 register_t *retval; 765 { 766 struct sunos_sys_uname_args *uap = v; 767 struct sunos_utsname sut; 768 769 memset(&sut, 0, sizeof(sut)); 770 771 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 772 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 773 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 774 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 775 memcpy(sut.version, "1", sizeof(sut.version) - 1); 776 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 777 778 return copyout((void *)&sut, (void *)SCARG(uap, name), 779 sizeof(struct sunos_utsname)); 780 } 781 782 int 783 sunos_sys_setpgrp(l, v, retval) 784 struct lwp *l; 785 void *v; 786 register_t *retval; 787 { 788 struct sunos_sys_setpgrp_args *uap = v; 789 struct proc *p = l->l_proc; 790 791 /* 792 * difference to our setpgid call is to include backwards 793 * compatibility to pre-setsid() binaries. Do setsid() 794 * instead of setpgid() in those cases where the process 795 * tries to create a new session the old way. 796 */ 797 if (!SCARG(uap, pgid) && 798 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 799 return sys_setsid(l, uap, retval); 800 else 801 return sys_setpgid(l, uap, retval); 802 } 803 804 int 805 sunos_sys_open(l, v, retval) 806 struct lwp *l; 807 void *v; 808 register_t *retval; 809 { 810 struct sunos_sys_open_args *uap = v; 811 struct proc *p = l->l_proc; 812 int smode, nmode; 813 int noctty; 814 int ret; 815 816 /* convert mode into NetBSD mode */ 817 smode = SCARG(uap, flags); 818 noctty = smode & 0x8000; 819 nmode = smode & 820 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 821 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 822 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 823 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 824 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 825 826 SCARG(uap, flags) = nmode; 827 ret = sys_open(l, (struct sys_open_args *)uap, retval); 828 829 /* XXXSMP */ 830 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 831 struct filedesc *fdp = p->p_fd; 832 struct file *fp; 833 834 fp = fd_getfile(fdp, *retval); 835 836 /* ignore any error, just give it a try */ 837 if (fp != NULL) { 838 FILE_USE(fp); 839 if (fp->f_type == DTYPE_VNODE) 840 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL, l); 841 FILE_UNUSE(fp, l); 842 } 843 } 844 return ret; 845 } 846 847 #if defined (NFSSERVER) 848 int 849 sunos_sys_nfssvc(l, v, retval) 850 struct lwp *l; 851 void *v; 852 register_t *retval; 853 { 854 #if 0 855 struct sunos_sys_nfssvc_args *uap = v; 856 struct proc *p = l->l_proc; 857 struct emul *e = p->p_emul; 858 struct sys_nfssvc_args outuap; 859 struct sockaddr sa; 860 int error; 861 void *sg = stackgap_init(p, 0); 862 863 memset(&outuap, 0, sizeof outuap); 864 SCARG(&outuap, fd) = SCARG(uap, fd); 865 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 866 SCARG(&outuap, msklen) = sizeof(sa); 867 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 868 SCARG(&outuap, mtchlen) = sizeof(sa); 869 870 memset(&sa, 0, sizeof sa); 871 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 872 return (error); 873 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 874 return (error); 875 876 return nfssvc(l, &outuap, retval); 877 #else 878 return (ENOSYS); 879 #endif 880 } 881 #endif /* NFSSERVER */ 882 883 int 884 sunos_sys_ustat(l, v, retval) 885 struct lwp *l; 886 void *v; 887 register_t *retval; 888 { 889 struct sunos_sys_ustat_args *uap = v; 890 struct sunos_ustat us; 891 int error; 892 893 memset(&us, 0, sizeof us); 894 895 /* 896 * XXX: should set f_tfree and f_tinode at least 897 * How do we translate dev -> fstat? (and then to sunos_ustat) 898 */ 899 900 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 901 return (error); 902 return 0; 903 } 904 905 int 906 sunos_sys_quotactl(l, v, retval) 907 struct lwp *l; 908 void *v; 909 register_t *retval; 910 { 911 912 return EINVAL; 913 } 914 915 int 916 sunos_sys_vhangup(l, v, retval) 917 struct lwp *l; 918 void *v; 919 register_t *retval; 920 { 921 struct proc *p = l->l_proc; 922 struct session *sp = p->p_session; 923 924 if (sp->s_ttyvp == 0) 925 return 0; 926 927 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 928 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 929 930 (void) ttywait(sp->s_ttyp); 931 if (sp->s_ttyvp) 932 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 933 if (sp->s_ttyvp) 934 vrele(sp->s_ttyvp); 935 sp->s_ttyvp = NULL; 936 937 return 0; 938 } 939 940 static int 941 sunstatfs(sp, buf) 942 struct statvfs *sp; 943 void *buf; 944 { 945 struct sunos_statfs ssfs; 946 947 memset(&ssfs, 0, sizeof ssfs); 948 ssfs.f_type = 0; 949 ssfs.f_bsize = sp->f_bsize; 950 ssfs.f_blocks = sp->f_blocks; 951 ssfs.f_bfree = sp->f_bfree; 952 ssfs.f_bavail = sp->f_bavail; 953 ssfs.f_files = sp->f_files; 954 ssfs.f_ffree = sp->f_ffree; 955 ssfs.f_fsid = sp->f_fsidx; 956 return copyout((void *)&ssfs, buf, sizeof ssfs); 957 } 958 959 int 960 sunos_sys_statfs(l, v, retval) 961 struct lwp *l; 962 void *v; 963 register_t *retval; 964 { 965 struct sunos_sys_statfs_args *uap = v; 966 struct mount *mp; 967 struct statvfs *sp; 968 int error; 969 struct nameidata nd; 970 971 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, SCARG(uap, path), l); 972 if ((error = namei(&nd)) != 0) 973 return (error); 974 mp = nd.ni_vp->v_mount; 975 sp = &mp->mnt_stat; 976 vrele(nd.ni_vp); 977 if ((error = VFS_STATVFS(mp, sp)) != 0) 978 return (error); 979 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 980 return sunstatfs(sp, (void *)SCARG(uap, buf)); 981 } 982 983 int 984 sunos_sys_fstatfs(l, v, retval) 985 struct lwp *l; 986 void *v; 987 register_t *retval; 988 { 989 struct sunos_sys_fstatfs_args *uap = v; 990 struct proc *p = l->l_proc; 991 struct file *fp; 992 struct mount *mp; 993 struct statvfs *sp; 994 int error; 995 996 /* getvnode() will use the descriptor for us */ 997 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 998 return (error); 999 mp = ((struct vnode *)fp->f_data)->v_mount; 1000 sp = &mp->mnt_stat; 1001 if ((error = VFS_STATVFS(mp, sp)) != 0) 1002 goto out; 1003 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1004 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 1005 out: 1006 FILE_UNUSE(fp, l); 1007 return (error); 1008 } 1009 1010 int 1011 sunos_sys_exportfs(l, v, retval) 1012 struct lwp *l; 1013 void *v; 1014 register_t *retval; 1015 { 1016 /* 1017 * XXX: should perhaps translate into a mount(2) 1018 * with MOUNT_EXPORT? 1019 */ 1020 return 0; 1021 } 1022 1023 int 1024 sunos_sys_mknod(l, v, retval) 1025 struct lwp *l; 1026 void *v; 1027 register_t *retval; 1028 { 1029 struct sunos_sys_mknod_args *uap = v; 1030 1031 if (S_ISFIFO(SCARG(uap, mode))) 1032 return sys_mkfifo(l, uap, retval); 1033 1034 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1035 } 1036 1037 #define SUNOS_SC_ARG_MAX 1 1038 #define SUNOS_SC_CHILD_MAX 2 1039 #define SUNOS_SC_CLK_TCK 3 1040 #define SUNOS_SC_NGROUPS_MAX 4 1041 #define SUNOS_SC_OPEN_MAX 5 1042 #define SUNOS_SC_JOB_CONTROL 6 1043 #define SUNOS_SC_SAVED_IDS 7 1044 #define SUNOS_SC_VERSION 8 1045 1046 int 1047 sunos_sys_sysconf(l, v, retval) 1048 struct lwp *l; 1049 void *v; 1050 register_t *retval; 1051 { 1052 struct sunos_sys_sysconf_args *uap = v; 1053 extern int maxfiles; 1054 1055 switch(SCARG(uap, name)) { 1056 case SUNOS_SC_ARG_MAX: 1057 *retval = ARG_MAX; 1058 break; 1059 case SUNOS_SC_CHILD_MAX: 1060 *retval = maxproc; 1061 break; 1062 case SUNOS_SC_CLK_TCK: 1063 *retval = 60; /* should this be `hz', ie. 100? */ 1064 break; 1065 case SUNOS_SC_NGROUPS_MAX: 1066 *retval = NGROUPS_MAX; 1067 break; 1068 case SUNOS_SC_OPEN_MAX: 1069 *retval = maxfiles; 1070 break; 1071 case SUNOS_SC_JOB_CONTROL: 1072 *retval = 1; 1073 break; 1074 case SUNOS_SC_SAVED_IDS: 1075 #ifdef _POSIX_SAVED_IDS 1076 *retval = 1; 1077 #else 1078 *retval = 0; 1079 #endif 1080 break; 1081 case SUNOS_SC_VERSION: 1082 *retval = 198808; 1083 break; 1084 default: 1085 return EINVAL; 1086 } 1087 return 0; 1088 } 1089 1090 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1091 #define SUNOS_RLIM_NLIMITS 7 1092 1093 int 1094 sunos_sys_getrlimit(l, v, retval) 1095 struct lwp *l; 1096 void *v; 1097 register_t *retval; 1098 { 1099 struct sunos_sys_getrlimit_args *uap = v; 1100 1101 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1102 return EINVAL; 1103 1104 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1105 SCARG(uap, which) = RLIMIT_NOFILE; 1106 1107 return compat_43_sys_getrlimit(l, uap, retval); 1108 } 1109 1110 int 1111 sunos_sys_setrlimit(l, v, retval) 1112 struct lwp *l; 1113 void *v; 1114 register_t *retval; 1115 { 1116 struct sunos_sys_getrlimit_args *uap = v; 1117 1118 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1119 return EINVAL; 1120 1121 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1122 SCARG(uap, which) = RLIMIT_NOFILE; 1123 1124 return compat_43_sys_setrlimit(l, uap, retval); 1125 } 1126 1127 #if defined(PTRACE) || defined(_LKM) 1128 /* for the m68k machines */ 1129 #ifndef PT_GETFPREGS 1130 #define PT_GETFPREGS -1 1131 #endif 1132 #ifndef PT_SETFPREGS 1133 #define PT_SETFPREGS -1 1134 #endif 1135 1136 static const int sreq2breq[] = { 1137 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1138 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1139 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1140 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1141 }; 1142 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1143 #endif /* PTRACE || _LKM */ 1144 1145 int 1146 sunos_sys_ptrace(l, v, retval) 1147 struct lwp *l; 1148 void *v; 1149 register_t *retval; 1150 { 1151 #if defined(PTRACE) || defined(_LKM) 1152 struct sunos_sys_ptrace_args *uap = v; 1153 struct sys_ptrace_args pa; 1154 int req; 1155 1156 #ifdef _LKM 1157 #define sys_ptrace sysent[SYS_ptrace].sy_call 1158 if (sys_ptrace == sys_nosys) 1159 return ENOSYS; 1160 #endif 1161 1162 req = SCARG(uap, req); 1163 1164 if (req < 0 || req >= nreqs) 1165 return (EINVAL); 1166 1167 req = sreq2breq[req]; 1168 if (req == -1) 1169 return (EINVAL); 1170 1171 SCARG(&pa, req) = req; 1172 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1173 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1174 SCARG(&pa, data) = SCARG(uap, data); 1175 1176 return sys_ptrace(l, &pa, retval); 1177 #else 1178 return ENOSYS; 1179 #endif /* PTRACE || _LKM */ 1180 } 1181 1182 /* 1183 * SunOS reboot system call (for compatibility). 1184 * Sun lets you pass in a boot string which the PROM 1185 * saves and provides to the next boot program. 1186 */ 1187 1188 #define SUNOS_RB_ASKNAME 0x001 1189 #define SUNOS_RB_SINGLE 0x002 1190 #define SUNOS_RB_NOSYNC 0x004 1191 #define SUNOS_RB_HALT 0x008 1192 #define SUNOS_RB_DUMP 0x080 1193 #define SUNOS_RB_STRING 0x200 1194 1195 static struct sunos_howto_conv { 1196 int sun_howto; 1197 int bsd_howto; 1198 } sunos_howto_conv[] = { 1199 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1200 { SUNOS_RB_SINGLE, RB_SINGLE }, 1201 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1202 { SUNOS_RB_HALT, RB_HALT }, 1203 { SUNOS_RB_DUMP, RB_DUMP }, 1204 { SUNOS_RB_STRING, RB_STRING }, 1205 { 0x000, 0 }, 1206 }; 1207 1208 int 1209 sunos_sys_reboot(l, v, retval) 1210 struct lwp *l; 1211 void *v; 1212 register_t *retval; 1213 { 1214 struct sunos_sys_reboot_args *uap = v; 1215 struct sys_reboot_args ua; 1216 struct sunos_howto_conv *convp; 1217 int error, bsd_howto, sun_howto; 1218 char *bootstr; 1219 1220 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1221 0, NULL, NULL, NULL)) != 0) 1222 return (error); 1223 1224 /* 1225 * Convert howto bits to BSD format. 1226 */ 1227 sun_howto = SCARG(uap, howto); 1228 bsd_howto = 0; 1229 convp = sunos_howto_conv; 1230 while (convp->sun_howto) { 1231 if (sun_howto & convp->sun_howto) 1232 bsd_howto |= convp->bsd_howto; 1233 convp++; 1234 } 1235 1236 /* 1237 * Sun RB_STRING (Get user supplied bootstring.) 1238 * If the machine supports passing a string to the 1239 * next booted kernel. 1240 */ 1241 if (sun_howto & SUNOS_RB_STRING) { 1242 char bs[128]; 1243 1244 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1245 1246 if (error) 1247 bootstr = NULL; 1248 else 1249 bootstr = bs; 1250 } else 1251 bootstr = NULL; 1252 1253 SCARG(&ua, opt) = bsd_howto; 1254 SCARG(&ua, bootstr) = bootstr; 1255 sys_reboot(l, &ua, retval); 1256 return(0); 1257 } 1258 1259 /* 1260 * Generalized interface signal handler, 4.3-compatible. 1261 */ 1262 /* ARGSUSED */ 1263 int 1264 sunos_sys_sigvec(l, v, retval) 1265 struct lwp *l; 1266 void *v; 1267 register_t *retval; 1268 { 1269 struct sunos_sys_sigvec_args /* { 1270 syscallarg(int) signum; 1271 syscallarg(struct sigvec *) nsv; 1272 syscallarg(struct sigvec *) osv; 1273 } */ *uap = v; 1274 struct sigvec nsv, osv; 1275 struct sigaction nsa, osa; 1276 int error; 1277 /*XXX*/extern void compat_43_sigvec_to_sigaction 1278 (const struct sigvec *, struct sigaction *); 1279 /*XXX*/extern void compat_43_sigaction_to_sigvec 1280 (const struct sigaction *, struct sigvec *); 1281 1282 if (SCARG(uap, nsv)) { 1283 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1284 if (error != 0) 1285 return (error); 1286 1287 /* 1288 * SunOS uses the mask 0x0004 as SV_RESETHAND 1289 * meaning: `reset to SIG_DFL on delivery'. 1290 * We support only the bits in: 0xF 1291 * (those bits are the same as ours) 1292 */ 1293 if (nsv.sv_flags & ~0xF) 1294 return (EINVAL); 1295 1296 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1297 } 1298 error = sigaction1(l, SCARG(uap, signum), 1299 SCARG(uap, nsv) ? &nsa : 0, 1300 SCARG(uap, osv) ? &osa : 0, 1301 NULL, 0); 1302 if (error != 0) 1303 return (error); 1304 1305 if (SCARG(uap, osv)) { 1306 compat_43_sigaction_to_sigvec(&osa, &osv); 1307 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1308 if (error != 0) 1309 return (error); 1310 } 1311 1312 return (0); 1313 } 1314
Indexes created Tue Oct 14 11:09:46 GMT 2025