sunos_misc.c revision 1.160.2.2
1 /* $NetBSD: sunos_misc.c,v 1.160.2.2 2008/12/13 01:14:03 haad 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 1.160.2.2 2008/12/13 01:14:03 haad Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/namei.h> 58 #include <sys/proc.h> 59 #include <sys/dirent.h> 60 #include <sys/file.h> 61 #include <sys/stat.h> 62 #include <sys/filedesc.h> 63 #include <sys/ioctl.h> 64 #include <sys/kernel.h> 65 #include <sys/reboot.h> 66 #include <sys/malloc.h> 67 #include <sys/mbuf.h> 68 #include <sys/mman.h> 69 #include <sys/mount.h> 70 #include <sys/ptrace.h> 71 #include <sys/resource.h> 72 #include <sys/resourcevar.h> 73 #include <sys/signal.h> 74 #include <sys/signalvar.h> 75 #include <sys/socket.h> 76 #include <sys/tty.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/syscall.h> 83 #include <sys/syscallargs.h> 84 #include <sys/conf.h> 85 #include <sys/socketvar.h> 86 #include <sys/exec.h> 87 #include <sys/swap.h> 88 #include <sys/kauth.h> 89 90 #include <compat/sys/signal.h> 91 92 #include <compat/sunos/sunos.h> 93 #include <compat/sunos/sunos_syscallargs.h> 94 #include <compat/common/compat_util.h> 95 #include <compat/sunos/sunos_dirent.h> 96 #include <compat/sys/mount.h> 97 98 #include <netinet/in.h> 99 100 #include <miscfs/specfs/specdev.h> 101 102 #include <nfs/rpcv2.h> 103 #include <nfs/nfsproto.h> 104 #include <nfs/nfs.h> 105 #include <nfs/nfsmount.h> 106 107 static int sunstatfs(struct statvfs *, void *); 108 109 int 110 sunos_sys_stime(struct lwp *l, const struct sunos_sys_stime_args *uap, register_t *retval) 111 { 112 struct timeval tv; 113 int error; 114 115 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 116 if (error) 117 return error; 118 tv.tv_usec = 0; 119 120 return settimeofday1(&tv, false, NULL, l, true); 121 } 122 123 int 124 sunos_sys_wait4(struct lwp *l, const struct sunos_sys_wait4_args *uap, register_t *retval) 125 { 126 struct sys_wait4_args bsd_ua; 127 128 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 129 SCARG(&bsd_ua, status) = SCARG(uap, status); 130 SCARG(&bsd_ua, options) = SCARG(uap, options); 131 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 132 133 return (sys_wait4(l, &bsd_ua, retval)); 134 } 135 136 int 137 sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) 138 { 139 struct sys_open_args ouap; 140 141 SCARG(&ouap, path) = SCARG(uap, path); 142 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 143 SCARG(&ouap, mode) = SCARG(uap, mode); 144 145 return (sys_open(l, &ouap, retval)); 146 } 147 148 int 149 sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) 150 { 151 /* { 152 syscallarg(const char *) path; 153 syscallarg(char **) argv; 154 } */ 155 struct sys_execve_args ap; 156 157 SCARG(&ap, path) = SCARG(uap, path); 158 SCARG(&ap, argp) = SCARG(uap, argp); 159 SCARG(&ap, envp) = NULL; 160 161 return (sys_execve(l, &ap, retval)); 162 } 163 164 int 165 sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) 166 { 167 /* { 168 syscallarg(const char *) path; 169 syscallarg(char **) argv; 170 syscallarg(char **) envp; 171 } */ 172 struct sys_execve_args ap; 173 174 SCARG(&ap, path) = SCARG(uap, path); 175 SCARG(&ap, argp) = SCARG(uap, argp); 176 SCARG(&ap, envp) = SCARG(uap, envp); 177 178 return (sys_execve(l, &ap, retval)); 179 } 180 181 int 182 sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) 183 { 184 struct sys___msync13_args ouap; 185 186 SCARG(&ouap, addr) = SCARG(uap, addr); 187 SCARG(&ouap, len) = SCARG(uap, len); 188 SCARG(&ouap, flags) = SCARG(uap, flags); 189 190 return (sys___msync13(l, &ouap, retval)); 191 } 192 193 int 194 sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) 195 { 196 struct sys_unmount_args ouap; 197 198 SCARG(&ouap, path) = SCARG(uap, path); 199 SCARG(&ouap, flags) = 0; 200 201 return (sys_unmount(l, &ouap, retval)); 202 } 203 204 /* 205 * Conversion table for SunOS NFS mount flags. 206 */ 207 static struct { 208 int sun_flg; 209 int bsd_flg; 210 } sunnfs_flgtab[] = { 211 { SUNNFS_SOFT, NFSMNT_SOFT }, 212 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 213 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 214 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 215 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 216 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 217 { SUNNFS_INT, NFSMNT_INT }, 218 { SUNNFS_NOAC, 0 }, /* Ignored */ 219 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 220 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 221 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 222 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 223 { SUNNFS_SECURE, 0 }, /* Ignored */ 224 { SUNNFS_NOCTO, 0 }, /* Ignored */ 225 { SUNNFS_POSIX, 0 } /* Ignored */ 226 }; 227 228 int 229 sunos_sys_mount(struct lwp *l, const struct sunos_sys_mount_args *uap, register_t *retval) 230 { 231 int oflags = SCARG(uap, flags), nflags, error; 232 char fsname[MFSNAMELEN]; 233 register_t dummy; 234 235 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 236 return (EINVAL); 237 if ((oflags & SUNM_NEWTYPE) == 0) 238 return (EINVAL); 239 nflags = 0; 240 if (oflags & SUNM_RDONLY) 241 nflags |= MNT_RDONLY; 242 if (oflags & SUNM_NOSUID) 243 nflags |= MNT_NOSUID; 244 if (oflags & SUNM_REMOUNT) 245 nflags |= MNT_UPDATE; 246 247 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 248 if (error) 249 return (error); 250 251 if (strcmp(fsname, "nfs") == 0) { 252 struct sunos_nfs_args sna; 253 struct nfs_args na; 254 int n; 255 256 error = copyin(SCARG(uap, data), &sna, sizeof sna); 257 if (error) 258 return (error); 259 /* sa.sa_len = sizeof(sain); */ 260 na.version = NFS_ARGSVERSION; 261 na.addr = (void *)sna.addr; 262 na.addrlen = sizeof(struct sockaddr); 263 na.sotype = SOCK_DGRAM; 264 na.proto = IPPROTO_UDP; 265 na.fh = sna.fh; 266 na.fhsize = NFSX_V2FH; 267 na.flags = 0; 268 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 269 while (--n >= 0) 270 if (sna.flags & sunnfs_flgtab[n].sun_flg) 271 na.flags |= sunnfs_flgtab[n].bsd_flg; 272 na.wsize = sna.wsize; 273 na.rsize = sna.rsize; 274 if (na.flags & NFSMNT_RSIZE) { 275 na.flags |= NFSMNT_READDIRSIZE; 276 na.readdirsize = na.rsize; 277 } 278 na.timeo = sna.timeo; 279 na.retrans = sna.retrans; 280 na.hostname = /* (char *)(u_long) */ sna.hostname; 281 282 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 283 SCARG(uap, dir), nflags, &na, 284 UIO_SYSSPACE, sizeof na, &dummy); 285 } 286 287 if (strcmp(fsname, "4.2") == 0) 288 strcpy(fsname, "ffs"); 289 290 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 291 SCARG(uap, dir), nflags, SCARG(uap, data), 292 UIO_USERSPACE, 0, &dummy); 293 } 294 295 int 296 async_daemon(struct lwp *l, const void *v, register_t *retval) 297 { 298 299 return kpause("fakeniod", false, 0, NULL); 300 } 301 302 void native_to_sunos_sigset(const sigset_t *, int *); 303 void sunos_to_native_sigset(const int, sigset_t *); 304 305 inline void 306 native_to_sunos_sigset(const sigset_t *ss, int *mask) 307 { 308 *mask = ss->__bits[0]; 309 } 310 311 inline void 312 sunos_to_native_sigset(const int mask, sigset_t *ss) 313 { 314 315 ss->__bits[0] = mask; 316 ss->__bits[1] = 0; 317 ss->__bits[2] = 0; 318 ss->__bits[3] = 0; 319 } 320 321 int 322 sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 323 { 324 sigset_t ss; 325 int mask; 326 327 sigpending1(l, &ss); 328 native_to_sunos_sigset(&ss, &mask); 329 330 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 331 } 332 333 int 334 sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 335 { 336 /* { 337 syscallarg(int) mask; 338 } */ 339 int mask; 340 sigset_t ss; 341 342 mask = SCARG(uap, mask); 343 sunos_to_native_sigset(mask, &ss); 344 return (sigsuspend1(l, &ss)); 345 } 346 347 /* 348 * Read Sun-style directory entries. We suck them into kernel space so 349 * that they can be massaged before being copied out to user code. Like 350 * SunOS, we squish out `empty' entries. 351 * 352 * This is quite ugly, but what do you expect from compatibility code? 353 */ 354 int 355 sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 356 { 357 struct dirent *bdp; 358 struct vnode *vp; 359 char *inp, *buf; /* BSD-format */ 360 int len, reclen; /* BSD-format */ 361 char *outp; /* Sun-format */ 362 int resid, sunos_reclen;/* Sun-format */ 363 struct file *fp; 364 struct uio auio; 365 struct iovec aiov; 366 struct sunos_dirent idb; 367 off_t off; /* true file offset */ 368 int buflen, error, eofflag; 369 off_t *cookiebuf, *cookie; 370 int ncookies; 371 372 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 373 return (error); 374 375 if ((fp->f_flag & FREAD) == 0) { 376 error = EBADF; 377 goto out1; 378 } 379 380 vp = fp->f_data; 381 if (vp->v_type != VDIR) { 382 error = EINVAL; 383 goto out1; 384 } 385 386 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 387 buf = malloc(buflen, M_TEMP, M_WAITOK); 388 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 389 off = fp->f_offset; 390 again: 391 aiov.iov_base = buf; 392 aiov.iov_len = buflen; 393 auio.uio_iov = &aiov; 394 auio.uio_iovcnt = 1; 395 auio.uio_rw = UIO_READ; 396 auio.uio_resid = buflen; 397 auio.uio_offset = off; 398 UIO_SETUP_SYSSPACE(&auio); 399 /* 400 * First we read into the malloc'ed buffer, then 401 * we massage it into user space, one record at a time. 402 */ 403 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 404 &ncookies); 405 if (error) 406 goto out; 407 408 inp = buf; 409 outp = SCARG(uap, buf); 410 resid = SCARG(uap, nbytes); 411 if ((len = buflen - auio.uio_resid) == 0) 412 goto eof; 413 414 for (cookie = cookiebuf; len > 0; len -= reclen) { 415 bdp = (struct dirent *)inp; 416 reclen = bdp->d_reclen; 417 if (reclen & 3) 418 panic("sunos_getdents"); 419 if ((*cookie >> 32) != 0) { 420 compat_offseterr(vp, "sunos_getdents"); 421 error = EINVAL; 422 goto out; 423 } 424 if (bdp->d_fileno == 0) { 425 inp += reclen; /* it is a hole; squish it out */ 426 if (cookie) 427 off = *cookie++; 428 else 429 off += reclen; 430 continue; 431 } 432 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 433 if (reclen > len || resid < sunos_reclen) { 434 /* entry too big for buffer, so just stop */ 435 outp++; 436 break; 437 } 438 if (cookie) 439 off = *cookie++; /* each entry points to next */ 440 else 441 off += reclen; 442 /* 443 * Massage in place to make a Sun-shaped dirent (otherwise 444 * we have to worry about touching user memory outside of 445 * the copyout() call). 446 */ 447 idb.d_fileno = bdp->d_fileno; 448 idb.d_off = off; 449 idb.d_reclen = sunos_reclen; 450 idb.d_namlen = bdp->d_namlen; 451 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 452 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 453 goto out; 454 /* advance past this real entry */ 455 inp += reclen; 456 /* advance output past Sun-shaped entry */ 457 outp += sunos_reclen; 458 resid -= sunos_reclen; 459 } 460 461 /* if we squished out the whole block, try again */ 462 if (outp == SCARG(uap, buf)) 463 goto again; 464 fp->f_offset = off; /* update the vnode offset */ 465 466 eof: 467 *retval = SCARG(uap, nbytes) - resid; 468 out: 469 VOP_UNLOCK(vp, 0); 470 free(cookiebuf, M_TEMP); 471 free(buf, M_TEMP); 472 out1: 473 fd_putfile(SCARG(uap, fd)); 474 return (error); 475 } 476 477 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 478 479 int 480 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 481 { 482 struct sys_mmap_args ouap; 483 484 /* 485 * Verify the arguments. 486 */ 487 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 488 return (EINVAL); /* XXX still needed? */ 489 490 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 491 return (EINVAL); 492 493 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 494 SCARG(&ouap, addr) = SCARG(uap, addr); 495 SCARG(&ouap, len) = SCARG(uap, len); 496 SCARG(&ouap, prot) = SCARG(uap, prot); 497 SCARG(&ouap, fd) = SCARG(uap, fd); 498 SCARG(&ouap, pos) = SCARG(uap, pos); 499 500 return (sys_mmap(l, &ouap, retval)); 501 } 502 503 #define MC_SYNC 1 504 #define MC_LOCK 2 505 #define MC_UNLOCK 3 506 #define MC_ADVISE 4 507 #define MC_LOCKAS 5 508 #define MC_UNLOCKAS 6 509 510 int 511 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 512 { 513 514 switch (SCARG(uap, func)) { 515 case MC_ADVISE: /* ignore for now */ 516 return (0); 517 case MC_SYNC: /* translate to msync */ 518 return (sys___msync13(l, (const void *)uap, retval)); 519 default: 520 return (EINVAL); 521 } 522 } 523 524 int 525 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 526 { 527 struct sockopt sopt; 528 struct socket *so; 529 int name = SCARG(uap, name); 530 int error; 531 532 /* fd_getsock() will use the descriptor for us */ 533 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 534 return (error); 535 #define SO_DONTLINGER (~SO_LINGER) 536 if (name == SO_DONTLINGER) { 537 struct linger lg; 538 539 lg.l_onoff = 0; 540 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 541 &lg, sizeof(lg)); 542 goto out; 543 } 544 if (SCARG(uap, level) == IPPROTO_IP) { 545 #define SUNOS_IP_MULTICAST_IF 2 546 #define SUNOS_IP_MULTICAST_TTL 3 547 #define SUNOS_IP_MULTICAST_LOOP 4 548 #define SUNOS_IP_ADD_MEMBERSHIP 5 549 #define SUNOS_IP_DROP_MEMBERSHIP 6 550 static const int ipoptxlat[] = { 551 IP_MULTICAST_IF, 552 IP_MULTICAST_TTL, 553 IP_MULTICAST_LOOP, 554 IP_ADD_MEMBERSHIP, 555 IP_DROP_MEMBERSHIP 556 }; 557 if (name >= SUNOS_IP_MULTICAST_IF && 558 name <= SUNOS_IP_DROP_MEMBERSHIP) { 559 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 560 } 561 } 562 if (SCARG(uap, valsize) > MLEN) { 563 error = EINVAL; 564 goto out; 565 } 566 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 567 if (SCARG(uap, val)) { 568 error = copyin(SCARG(uap, val), sopt.sopt_data, 569 (u_int)SCARG(uap, valsize)); 570 } 571 if (error == 0) 572 error = sosetopt(so, &sopt); 573 sockopt_destroy(&sopt); 574 out: 575 fd_putfile(SCARG(uap, s)); 576 return (error); 577 } 578 579 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 580 int type); 581 static inline int 582 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 583 { 584 struct socket *so; 585 int error, fd; 586 587 /* fd_getsock() will use the descriptor for us */ 588 fd = (int)*retval; 589 if ((error = fd_getsock(fd, &so)) == 0) { 590 if (type == SOCK_DGRAM) 591 so->so_options |= SO_BROADCAST; 592 fd_putfile(fd); 593 } 594 return (error); 595 } 596 597 int 598 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 599 { 600 /* { 601 syscallarg(int) domain; 602 syscallarg(int) type; 603 syscallarg(int) protocol; 604 } */ 605 int error; 606 607 error = compat_30_sys_socket(l, (const void *)uap, retval); 608 if (error) 609 return (error); 610 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 611 } 612 613 int 614 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 615 { 616 /* { 617 syscallarg(int) domain; 618 syscallarg(int) type; 619 syscallarg(int) protocol; 620 syscallarg(int *) rsv; 621 } */ 622 int error; 623 624 error = sys_socketpair(l, (const void *)uap, retval); 625 if (error) 626 return (error); 627 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 628 } 629 630 /* 631 * XXX: This needs cleaning up. 632 */ 633 int 634 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 635 { 636 return 0; 637 } 638 639 int 640 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 641 { 642 struct sunos_utsname sut; 643 644 memset(&sut, 0, sizeof(sut)); 645 646 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 647 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 648 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 649 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 650 memcpy(sut.version, "1", sizeof(sut.version) - 1); 651 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 652 653 return copyout((void *)&sut, (void *)SCARG(uap, name), 654 sizeof(struct sunos_utsname)); 655 } 656 657 int 658 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 659 { 660 struct proc *p = l->l_proc; 661 662 /* 663 * difference to our setpgid call is to include backwards 664 * compatibility to pre-setsid() binaries. Do setsid() 665 * instead of setpgid() in those cases where the process 666 * tries to create a new session the old way. 667 */ 668 if (!SCARG(uap, pgid) && 669 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 670 return sys_setsid(l, NULL, retval); 671 else 672 return sys_setpgid(l, (const void *)uap, retval); 673 } 674 675 int 676 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 677 { 678 struct proc *p = l->l_proc; 679 struct sys_open_args open_ua; 680 int smode, nmode; 681 int noctty; 682 int ret; 683 684 /* convert mode into NetBSD mode */ 685 smode = SCARG(uap, flags); 686 noctty = smode & 0x8000; 687 nmode = smode & 688 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 689 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 690 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 691 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 692 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 693 694 SCARG(&open_ua, path) = SCARG(uap, path); 695 SCARG(&open_ua, flags) = nmode; 696 SCARG(&open_ua, mode) = SCARG(uap, mode); 697 ret = sys_open(l, &open_ua, retval); 698 699 /* XXXSMP */ 700 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 701 file_t *fp; 702 int fd; 703 704 fd = (int)*retval; 705 fp = fd_getfile(fd); 706 707 /* ignore any error, just give it a try */ 708 if (fp != NULL) { 709 if (fp->f_type == DTYPE_VNODE) 710 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 711 fd_putfile(fd); 712 } 713 } 714 return ret; 715 } 716 717 int 718 sunos_sys_nfssvc(struct lwp *l, const struct sunos_sys_nfssvc_args *uap, register_t *retval) 719 { 720 #if 0 721 struct proc *p = l->l_proc; 722 struct emul *e = p->p_emul; 723 struct sys_nfssvc_args outuap; 724 struct sockaddr sa; 725 int error; 726 void *sg = stackgap_init(p, 0); 727 728 memset(&outuap, 0, sizeof outuap); 729 SCARG(&outuap, fd) = SCARG(uap, fd); 730 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 731 SCARG(&outuap, msklen) = sizeof(sa); 732 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 733 SCARG(&outuap, mtchlen) = sizeof(sa); 734 735 memset(&sa, 0, sizeof sa); 736 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 737 return (error); 738 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 739 return (error); 740 741 return nfssvc(l, &outuap, retval); 742 #else 743 return (ENOSYS); 744 #endif 745 } 746 747 int 748 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 749 { 750 struct sunos_ustat us; 751 int error; 752 753 memset(&us, 0, sizeof us); 754 755 /* 756 * XXX: should set f_tfree and f_tinode at least 757 * How do we translate dev -> fstat? (and then to sunos_ustat) 758 */ 759 760 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 761 return (error); 762 return 0; 763 } 764 765 int 766 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 767 { 768 769 return EINVAL; 770 } 771 772 int 773 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 774 { 775 struct proc *p = l->l_proc; 776 struct session *sp = p->p_session; 777 778 if (sp->s_ttyvp == 0) 779 return 0; 780 781 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 782 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 783 784 (void) ttywait(sp->s_ttyp); 785 if (sp->s_ttyvp) 786 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 787 if (sp->s_ttyvp) 788 vrele(sp->s_ttyvp); 789 sp->s_ttyvp = NULL; 790 791 return 0; 792 } 793 794 static int 795 sunstatfs(struct statvfs *sp, void *buf) 796 { 797 struct sunos_statfs ssfs; 798 799 memset(&ssfs, 0, sizeof ssfs); 800 ssfs.f_type = 0; 801 ssfs.f_bsize = sp->f_bsize; 802 ssfs.f_blocks = sp->f_blocks; 803 ssfs.f_bfree = sp->f_bfree; 804 ssfs.f_bavail = sp->f_bavail; 805 ssfs.f_files = sp->f_files; 806 ssfs.f_ffree = sp->f_ffree; 807 ssfs.f_fsid = sp->f_fsidx; 808 return copyout((void *)&ssfs, buf, sizeof ssfs); 809 } 810 811 int 812 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 813 { 814 struct mount *mp; 815 struct statvfs *sp; 816 int error; 817 struct nameidata nd; 818 819 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 820 SCARG(uap, path)); 821 if ((error = namei(&nd)) != 0) 822 return (error); 823 mp = nd.ni_vp->v_mount; 824 sp = &mp->mnt_stat; 825 vrele(nd.ni_vp); 826 if ((error = VFS_STATVFS(mp, sp)) != 0) 827 return (error); 828 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 829 return sunstatfs(sp, (void *)SCARG(uap, buf)); 830 } 831 832 int 833 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 834 { 835 file_t *fp; 836 struct mount *mp; 837 struct statvfs *sp; 838 int error; 839 840 /* fd_getvnode() will use the descriptor for us */ 841 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 842 return (error); 843 mp = ((struct vnode *)fp->f_data)->v_mount; 844 sp = &mp->mnt_stat; 845 if ((error = VFS_STATVFS(mp, sp)) != 0) 846 goto out; 847 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 848 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 849 out: 850 fd_putfile(SCARG(uap, fd)); 851 return (error); 852 } 853 854 int 855 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 856 { 857 /* 858 * XXX: should perhaps translate into a mount(2) 859 * with MOUNT_EXPORT? 860 */ 861 return 0; 862 } 863 864 int 865 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 866 { 867 struct sys_mkfifo_args fifo_ua; 868 869 if (S_ISFIFO(SCARG(uap, mode))) { 870 SCARG(&fifo_ua, path) = SCARG(uap, path); 871 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 872 return sys_mkfifo(l, &fifo_ua, retval); 873 } 874 875 return sys_mknod(l, (const struct sys_mknod_args *)uap, retval); 876 } 877 878 #define SUNOS_SC_ARG_MAX 1 879 #define SUNOS_SC_CHILD_MAX 2 880 #define SUNOS_SC_CLK_TCK 3 881 #define SUNOS_SC_NGROUPS_MAX 4 882 #define SUNOS_SC_OPEN_MAX 5 883 #define SUNOS_SC_JOB_CONTROL 6 884 #define SUNOS_SC_SAVED_IDS 7 885 #define SUNOS_SC_VERSION 8 886 887 int 888 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 889 { 890 891 switch(SCARG(uap, name)) { 892 case SUNOS_SC_ARG_MAX: 893 *retval = ARG_MAX; 894 break; 895 case SUNOS_SC_CHILD_MAX: 896 *retval = maxproc; 897 break; 898 case SUNOS_SC_CLK_TCK: 899 *retval = 60; /* should this be `hz', ie. 100? */ 900 break; 901 case SUNOS_SC_NGROUPS_MAX: 902 *retval = NGROUPS_MAX; 903 break; 904 case SUNOS_SC_OPEN_MAX: 905 *retval = maxfiles; 906 break; 907 case SUNOS_SC_JOB_CONTROL: 908 *retval = 1; 909 break; 910 case SUNOS_SC_SAVED_IDS: 911 #ifdef _POSIX_SAVED_IDS 912 *retval = 1; 913 #else 914 *retval = 0; 915 #endif 916 break; 917 case SUNOS_SC_VERSION: 918 *retval = 198808; 919 break; 920 default: 921 return EINVAL; 922 } 923 return 0; 924 } 925 926 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 927 #define SUNOS_RLIM_NLIMITS 7 928 929 int 930 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 931 { 932 struct compat_43_sys_getrlimit_args ua_43; 933 934 SCARG(&ua_43, which) = SCARG(uap, which); 935 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 936 937 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 938 return EINVAL; 939 940 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 941 SCARG(&ua_43, which) = RLIMIT_NOFILE; 942 943 return compat_43_sys_getrlimit(l, &ua_43, retval); 944 } 945 946 int 947 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 948 { 949 struct compat_43_sys_setrlimit_args ua_43; 950 951 SCARG(&ua_43, which) = SCARG(uap, which); 952 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 953 954 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 955 return EINVAL; 956 957 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 958 SCARG(&ua_43, which) = RLIMIT_NOFILE; 959 960 return compat_43_sys_setrlimit(l, &ua_43, retval); 961 } 962 963 /* for the m68k machines */ 964 #ifndef PT_GETFPREGS 965 #define PT_GETFPREGS -1 966 #endif 967 #ifndef PT_SETFPREGS 968 #define PT_SETFPREGS -1 969 #endif 970 971 static const int sreq2breq[] = { 972 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 973 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 974 PT_KILL, -1, PT_ATTACH, PT_DETACH, 975 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 976 }; 977 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 978 979 int 980 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 981 { 982 struct sys_ptrace_args pa; 983 int req; 984 985 #define sys_ptrace sysent[SYS_ptrace].sy_call 986 if (sys_ptrace == sys_nosys) 987 return ENOSYS; 988 989 req = SCARG(uap, req); 990 991 if (req < 0 || req >= nreqs) 992 return (EINVAL); 993 994 req = sreq2breq[req]; 995 if (req == -1) 996 return (EINVAL); 997 998 SCARG(&pa, req) = req; 999 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1000 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1001 SCARG(&pa, data) = SCARG(uap, data); 1002 1003 return sys_ptrace(l, &pa, retval); 1004 } 1005 1006 /* 1007 * SunOS reboot system call (for compatibility). 1008 * Sun lets you pass in a boot string which the PROM 1009 * saves and provides to the next boot program. 1010 */ 1011 1012 #define SUNOS_RB_ASKNAME 0x001 1013 #define SUNOS_RB_SINGLE 0x002 1014 #define SUNOS_RB_NOSYNC 0x004 1015 #define SUNOS_RB_HALT 0x008 1016 #define SUNOS_RB_DUMP 0x080 1017 #define SUNOS_RB_STRING 0x200 1018 1019 static struct sunos_howto_conv { 1020 int sun_howto; 1021 int bsd_howto; 1022 } sunos_howto_conv[] = { 1023 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1024 { SUNOS_RB_SINGLE, RB_SINGLE }, 1025 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1026 { SUNOS_RB_HALT, RB_HALT }, 1027 { SUNOS_RB_DUMP, RB_DUMP }, 1028 { SUNOS_RB_STRING, RB_STRING }, 1029 { 0x000, 0 }, 1030 }; 1031 1032 int 1033 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1034 { 1035 struct sys_reboot_args ua; 1036 struct sunos_howto_conv *convp; 1037 int error, bsd_howto, sun_howto; 1038 char *bootstr; 1039 1040 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1041 0, NULL, NULL, NULL)) != 0) 1042 return (error); 1043 1044 /* 1045 * Convert howto bits to BSD format. 1046 */ 1047 sun_howto = SCARG(uap, howto); 1048 bsd_howto = 0; 1049 convp = sunos_howto_conv; 1050 while (convp->sun_howto) { 1051 if (sun_howto & convp->sun_howto) 1052 bsd_howto |= convp->bsd_howto; 1053 convp++; 1054 } 1055 1056 /* 1057 * Sun RB_STRING (Get user supplied bootstring.) 1058 * If the machine supports passing a string to the 1059 * next booted kernel. 1060 */ 1061 if (sun_howto & SUNOS_RB_STRING) { 1062 char bs[128]; 1063 1064 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1065 1066 if (error) 1067 bootstr = NULL; 1068 else 1069 bootstr = bs; 1070 } else 1071 bootstr = NULL; 1072 1073 SCARG(&ua, opt) = bsd_howto; 1074 SCARG(&ua, bootstr) = bootstr; 1075 sys_reboot(l, &ua, retval); 1076 return(0); 1077 } 1078 1079 /* 1080 * Generalized interface signal handler, 4.3-compatible. 1081 */ 1082 /* ARGSUSED */ 1083 int 1084 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1085 { 1086 /* { 1087 syscallarg(int) signum; 1088 syscallarg(struct sigvec *) nsv; 1089 syscallarg(struct sigvec *) osv; 1090 } */ 1091 struct sigvec nsv, osv; 1092 struct sigaction nsa, osa; 1093 int error; 1094 /*XXX*/extern void compat_43_sigvec_to_sigaction 1095 (const struct sigvec *, struct sigaction *); 1096 /*XXX*/extern void compat_43_sigaction_to_sigvec 1097 (const struct sigaction *, struct sigvec *); 1098 1099 if (SCARG(uap, nsv)) { 1100 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1101 if (error != 0) 1102 return (error); 1103 1104 /* 1105 * SunOS uses the mask 0x0004 as SV_RESETHAND 1106 * meaning: `reset to SIG_DFL on delivery'. 1107 * We support only the bits in: 0xF 1108 * (those bits are the same as ours) 1109 */ 1110 if (nsv.sv_flags & ~0xF) 1111 return (EINVAL); 1112 1113 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1114 } 1115 error = sigaction1(l, SCARG(uap, signum), 1116 SCARG(uap, nsv) ? &nsa : 0, 1117 SCARG(uap, osv) ? &osa : 0, 1118 NULL, 0); 1119 if (error != 0) 1120 return (error); 1121 1122 if (SCARG(uap, osv)) { 1123 compat_43_sigaction_to_sigvec(&osa, &osv); 1124 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1125 if (error != 0) 1126 return (error); 1127 } 1128 1129 return (0); 1130 } 1131
Indexes created Tue Oct 14 11:09:46 GMT 2025