1 /* $NetBSD: sunos_misc.c,v 1.176 2019/10/26 11:34:48 christos 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 1.176 2019/10/26 11:34:48 christos 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 compat_50_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 (compat_50_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 #ifdef __arch64__ 281 /* XXX */ 282 na.hostname = (char *)(intptr_t)sna.hostname; 283 #else 284 na.hostname = sna.hostname; 285 #endif 286 return do_sys_mount(l, "nfs", UIO_SYSSPACE, 287 SCARG(uap, dir), nflags, &na, 288 UIO_SYSSPACE, sizeof na, &dummy); 289 } 290 291 if (strcmp(fsname, "4.2") == 0) 292 strcpy(fsname, "ffs"); 293 294 return do_sys_mount(l, fsname, UIO_SYSSPACE, 295 SCARG(uap, dir), nflags, SCARG(uap, data), 296 UIO_USERSPACE, 0, &dummy); 297 } 298 299 int 300 async_daemon(struct lwp *l, const void *v, register_t *retval) 301 { 302 303 return kpause("fakeniod", false, 0, NULL); 304 } 305 306 void native_to_sunos_sigset(const sigset_t *, int *); 307 void sunos_to_native_sigset(const int, sigset_t *); 308 309 inline void 310 native_to_sunos_sigset(const sigset_t *ss, int *mask) 311 { 312 *mask = ss->__bits[0]; 313 } 314 315 inline void 316 sunos_to_native_sigset(const int mask, sigset_t *ss) 317 { 318 319 ss->__bits[0] = mask; 320 ss->__bits[1] = 0; 321 ss->__bits[2] = 0; 322 ss->__bits[3] = 0; 323 } 324 325 int 326 sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 327 { 328 sigset_t ss; 329 int mask; 330 331 sigpending1(l, &ss); 332 native_to_sunos_sigset(&ss, &mask); 333 334 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 335 } 336 337 int 338 sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 339 { 340 /* { 341 syscallarg(int) mask; 342 } */ 343 int mask; 344 sigset_t ss; 345 346 mask = SCARG(uap, mask); 347 sunos_to_native_sigset(mask, &ss); 348 return (sigsuspend1(l, &ss)); 349 } 350 351 /* 352 * Read Sun-style directory entries. We suck them into kernel space so 353 * that they can be massaged before being copied out to user code. Like 354 * SunOS, we squish out `empty' entries. 355 * 356 * This is quite ugly, but what do you expect from compatibility code? 357 */ 358 int 359 sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 360 { 361 struct dirent *bdp; 362 struct vnode *vp; 363 char *inp, *buf; /* BSD-format */ 364 int len, reclen; /* BSD-format */ 365 char *outp; /* Sun-format */ 366 int resid, sunos_reclen;/* Sun-format */ 367 struct file *fp; 368 struct uio auio; 369 struct iovec aiov; 370 struct sunos_dirent idb; 371 off_t off; /* true file offset */ 372 int buflen, error, eofflag; 373 off_t *cookiebuf, *cookie; 374 int ncookies; 375 376 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 377 return (error); 378 379 if ((fp->f_flag & FREAD) == 0) { 380 error = EBADF; 381 goto out1; 382 } 383 384 vp = fp->f_vnode; 385 if (vp->v_type != VDIR) { 386 error = EINVAL; 387 goto out1; 388 } 389 390 buflen = uimin(MAXBSIZE, SCARG(uap, nbytes)); 391 buf = malloc(buflen, M_TEMP, M_WAITOK); 392 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 393 off = fp->f_offset; 394 again: 395 aiov.iov_base = buf; 396 aiov.iov_len = buflen; 397 auio.uio_iov = &aiov; 398 auio.uio_iovcnt = 1; 399 auio.uio_rw = UIO_READ; 400 auio.uio_resid = buflen; 401 auio.uio_offset = off; 402 UIO_SETUP_SYSSPACE(&auio); 403 /* 404 * First we read into the malloc'ed buffer, then 405 * we massage it into user space, one record at a time. 406 */ 407 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 408 &ncookies); 409 if (error) 410 goto out; 411 412 inp = buf; 413 outp = SCARG(uap, buf); 414 resid = SCARG(uap, nbytes); 415 if ((len = buflen - auio.uio_resid) == 0) 416 goto eof; 417 418 for (cookie = cookiebuf; len > 0; len -= reclen) { 419 bdp = (struct dirent *)inp; 420 reclen = bdp->d_reclen; 421 if (reclen & 3) { 422 error = EIO; 423 goto out; 424 } 425 if ((*cookie >> 32) != 0) { 426 compat_offseterr(vp, "sunos_getdents"); 427 error = EINVAL; 428 goto out; 429 } 430 if (bdp->d_fileno == 0) { 431 inp += reclen; /* it is a hole; squish it out */ 432 if (cookie) 433 off = *cookie++; 434 else 435 off += reclen; 436 continue; 437 } 438 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 439 if (reclen > len || resid < sunos_reclen) { 440 /* entry too big for buffer, so just stop */ 441 outp++; 442 break; 443 } 444 if (cookie) 445 off = *cookie++; /* each entry points to next */ 446 else 447 off += reclen; 448 /* 449 * Massage in place to make a Sun-shaped dirent (otherwise 450 * we have to worry about touching user memory outside of 451 * the copyout() call). 452 */ 453 idb.d_fileno = bdp->d_fileno; 454 idb.d_off = off; 455 idb.d_reclen = sunos_reclen; 456 idb.d_namlen = bdp->d_namlen; 457 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 458 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 459 goto out; 460 /* advance past this real entry */ 461 inp += reclen; 462 /* advance output past Sun-shaped entry */ 463 outp += sunos_reclen; 464 resid -= sunos_reclen; 465 } 466 467 /* if we squished out the whole block, try again */ 468 if (outp == SCARG(uap, buf)) { 469 if (cookiebuf) 470 free(cookiebuf, M_TEMP); 471 cookiebuf = NULL; 472 goto again; 473 } 474 fp->f_offset = off; /* update the vnode offset */ 475 476 eof: 477 *retval = SCARG(uap, nbytes) - resid; 478 out: 479 VOP_UNLOCK(vp); 480 free(cookiebuf, M_TEMP); 481 free(buf, M_TEMP); 482 out1: 483 fd_putfile(SCARG(uap, fd)); 484 return (error); 485 } 486 487 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 488 489 int 490 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 491 { 492 struct sys_mmap_args ouap; 493 494 /* 495 * Verify the arguments. 496 */ 497 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 498 return (EINVAL); /* XXX still needed? */ 499 500 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 501 return (EINVAL); 502 503 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 504 SCARG(&ouap, addr) = SCARG(uap, addr); 505 SCARG(&ouap, len) = SCARG(uap, len); 506 SCARG(&ouap, prot) = SCARG(uap, prot); 507 SCARG(&ouap, fd) = SCARG(uap, fd); 508 SCARG(&ouap, pos) = SCARG(uap, pos); 509 510 return (sys_mmap(l, &ouap, retval)); 511 } 512 513 #define MC_SYNC 1 514 #define MC_LOCK 2 515 #define MC_UNLOCK 3 516 #define MC_ADVISE 4 517 #define MC_LOCKAS 5 518 #define MC_UNLOCKAS 6 519 520 int 521 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 522 { 523 524 switch (SCARG(uap, func)) { 525 case MC_ADVISE: /* ignore for now */ 526 return (0); 527 case MC_SYNC: /* translate to msync */ 528 return (sys___msync13(l, (const void *)uap, retval)); 529 default: 530 return (EINVAL); 531 } 532 } 533 534 int 535 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 536 { 537 struct sockopt sopt; 538 struct socket *so; 539 int name = SCARG(uap, name); 540 int error; 541 542 /* fd_getsock() will use the descriptor for us */ 543 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 544 return (error); 545 #define SO_DONTLINGER (~SO_LINGER) 546 if (name == SO_DONTLINGER) { 547 struct linger lg; 548 549 lg.l_onoff = 0; 550 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 551 &lg, sizeof(lg)); 552 goto out; 553 } 554 if (SCARG(uap, level) == IPPROTO_IP) { 555 #define SUNOS_IP_MULTICAST_IF 2 556 #define SUNOS_IP_MULTICAST_TTL 3 557 #define SUNOS_IP_MULTICAST_LOOP 4 558 #define SUNOS_IP_ADD_MEMBERSHIP 5 559 #define SUNOS_IP_DROP_MEMBERSHIP 6 560 static const int ipoptxlat[] = { 561 IP_MULTICAST_IF, 562 IP_MULTICAST_TTL, 563 IP_MULTICAST_LOOP, 564 IP_ADD_MEMBERSHIP, 565 IP_DROP_MEMBERSHIP 566 }; 567 if (name >= SUNOS_IP_MULTICAST_IF && 568 name <= SUNOS_IP_DROP_MEMBERSHIP) { 569 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 570 } 571 } 572 if ((unsigned)SCARG(uap, valsize) > MLEN) { 573 error = EINVAL; 574 goto out; 575 } 576 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 577 if (SCARG(uap, val)) { 578 error = copyin(SCARG(uap, val), sopt.sopt_data, 579 (u_int)SCARG(uap, valsize)); 580 } 581 if (error == 0) 582 error = sosetopt(so, &sopt); 583 sockopt_destroy(&sopt); 584 out: 585 fd_putfile(SCARG(uap, s)); 586 return (error); 587 } 588 589 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 590 int type); 591 static inline int 592 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 593 { 594 struct socket *so; 595 int error, fd; 596 597 /* fd_getsock() will use the descriptor for us */ 598 fd = (int)*retval; 599 if ((error = fd_getsock(fd, &so)) == 0) { 600 if (type == SOCK_DGRAM) 601 so->so_options |= SO_BROADCAST; 602 fd_putfile(fd); 603 } 604 return (error); 605 } 606 607 int 608 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 609 { 610 /* { 611 syscallarg(int) domain; 612 syscallarg(int) type; 613 syscallarg(int) protocol; 614 } */ 615 int error; 616 617 error = compat_30_sys_socket(l, (const void *)uap, retval); 618 if (error) 619 return (error); 620 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 621 } 622 623 int 624 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 625 { 626 /* { 627 syscallarg(int) domain; 628 syscallarg(int) type; 629 syscallarg(int) protocol; 630 syscallarg(int *) rsv; 631 } */ 632 int error; 633 634 error = sys_socketpair(l, (const void *)uap, retval); 635 if (error) 636 return (error); 637 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 638 } 639 640 /* 641 * XXX: This needs cleaning up. 642 */ 643 int 644 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 645 { 646 return 0; 647 } 648 649 int 650 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 651 { 652 struct sunos_utsname sut; 653 654 memset(&sut, 0, sizeof(sut)); 655 656 strlcpy(sut.sysname, ostype, sizeof(sut.sysname)); 657 strlcpy(sut.nodename, hostname, sizeof(sut.nodename)); 658 strlcpy(sut.release, osrelease, sizeof(sut.release)); 659 strlcpy(sut.version, "1", sizeof(sut.version)); 660 strlcpy(sut.machine, machine, sizeof(sut.machine)); 661 662 return copyout(&sut, SCARG(uap, name), sizeof(sut)); 663 } 664 665 int 666 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 667 { 668 struct proc *p = l->l_proc; 669 670 /* 671 * difference to our setpgid call is to include backwards 672 * compatibility to pre-setsid() binaries. Do setsid() 673 * instead of setpgid() in those cases where the process 674 * tries to create a new session the old way. 675 */ 676 if (!SCARG(uap, pgid) && 677 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 678 return sys_setsid(l, NULL, retval); 679 else 680 return sys_setpgid(l, (const void *)uap, retval); 681 } 682 683 int 684 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 685 { 686 struct proc *p = l->l_proc; 687 struct sys_open_args open_ua; 688 int smode, nmode; 689 int noctty; 690 int ret; 691 692 /* convert mode into NetBSD mode */ 693 smode = SCARG(uap, flags); 694 noctty = smode & 0x8000; 695 nmode = smode & 696 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 697 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 698 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 699 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 700 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 701 702 SCARG(&open_ua, path) = SCARG(uap, path); 703 SCARG(&open_ua, flags) = nmode; 704 SCARG(&open_ua, mode) = SCARG(uap, mode); 705 ret = sys_open(l, &open_ua, retval); 706 707 /* XXXSMP */ 708 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 709 file_t *fp; 710 int fd; 711 712 fd = (int)*retval; 713 fp = fd_getfile(fd); 714 715 /* ignore any error, just give it a try */ 716 if (fp != NULL) { 717 if (fp->f_type == DTYPE_VNODE) 718 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 719 fd_putfile(fd); 720 } 721 } 722 return ret; 723 } 724 725 int 726 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 727 { 728 struct sunos_ustat us; 729 int error; 730 731 memset(&us, 0, sizeof us); 732 733 /* 734 * XXX: should set f_tfree and f_tinode at least 735 * How do we translate dev -> fstat? (and then to sunos_ustat) 736 */ 737 738 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 739 return (error); 740 return 0; 741 } 742 743 int 744 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 745 { 746 747 return EINVAL; 748 } 749 750 int 751 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 752 { 753 struct proc *p = l->l_proc; 754 struct session *sp = p->p_session; 755 756 if (sp->s_ttyvp == 0) 757 return 0; 758 759 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 760 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 761 762 (void) ttywait(sp->s_ttyp); 763 if (sp->s_ttyvp) 764 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 765 if (sp->s_ttyvp) 766 vrele(sp->s_ttyvp); 767 sp->s_ttyvp = NULL; 768 769 return 0; 770 } 771 772 static int 773 sunstatfs(struct statvfs *sp, void *buf) 774 { 775 struct sunos_statfs ssfs; 776 777 memset(&ssfs, 0, sizeof ssfs); 778 ssfs.f_type = 0; 779 ssfs.f_bsize = sp->f_bsize; 780 ssfs.f_blocks = sp->f_blocks; 781 ssfs.f_bfree = sp->f_bfree; 782 ssfs.f_bavail = sp->f_bavail; 783 ssfs.f_files = sp->f_files; 784 ssfs.f_ffree = sp->f_ffree; 785 ssfs.f_fsid = sp->f_fsidx; 786 return copyout((void *)&ssfs, buf, sizeof ssfs); 787 } 788 789 int 790 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 791 { 792 struct mount *mp; 793 struct statvfs *sp; 794 int error; 795 struct vnode *vp; 796 797 error = namei_simple_user(SCARG(uap, path), 798 NSM_FOLLOW_TRYEMULROOT, &vp); 799 if (error != 0) 800 return (error); 801 mp = vp->v_mount; 802 sp = &mp->mnt_stat; 803 vrele(vp); 804 if ((error = VFS_STATVFS(mp, sp)) != 0) 805 return (error); 806 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 807 return sunstatfs(sp, (void *)SCARG(uap, buf)); 808 } 809 810 int 811 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 812 { 813 file_t *fp; 814 struct mount *mp; 815 struct statvfs *sp; 816 int error; 817 818 /* fd_getvnode() will use the descriptor for us */ 819 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 820 return (error); 821 mp = fp->f_vnode->v_mount; 822 sp = &mp->mnt_stat; 823 if ((error = VFS_STATVFS(mp, sp)) != 0) 824 goto out; 825 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 826 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 827 out: 828 fd_putfile(SCARG(uap, fd)); 829 return (error); 830 } 831 832 int 833 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 834 { 835 /* 836 * XXX: should perhaps translate into a mount(2) 837 * with MOUNT_EXPORT? 838 */ 839 return 0; 840 } 841 842 int 843 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 844 { 845 struct sys_mkfifo_args fifo_ua; 846 847 if (S_ISFIFO(SCARG(uap, mode))) { 848 SCARG(&fifo_ua, path) = SCARG(uap, path); 849 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 850 return sys_mkfifo(l, &fifo_ua, retval); 851 } 852 853 return compat_50_sys_mknod(l, 854 (const struct compat_50_sys_mknod_args *)uap, retval); 855 } 856 857 #define SUNOS_SC_ARG_MAX 1 858 #define SUNOS_SC_CHILD_MAX 2 859 #define SUNOS_SC_CLK_TCK 3 860 #define SUNOS_SC_NGROUPS_MAX 4 861 #define SUNOS_SC_OPEN_MAX 5 862 #define SUNOS_SC_JOB_CONTROL 6 863 #define SUNOS_SC_SAVED_IDS 7 864 #define SUNOS_SC_VERSION 8 865 866 int 867 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 868 { 869 870 switch(SCARG(uap, name)) { 871 case SUNOS_SC_ARG_MAX: 872 *retval = ARG_MAX; 873 break; 874 case SUNOS_SC_CHILD_MAX: 875 *retval = maxproc; 876 break; 877 case SUNOS_SC_CLK_TCK: 878 *retval = 60; /* should this be `hz', ie. 100? */ 879 break; 880 case SUNOS_SC_NGROUPS_MAX: 881 *retval = NGROUPS_MAX; 882 break; 883 case SUNOS_SC_OPEN_MAX: 884 *retval = maxfiles; 885 break; 886 case SUNOS_SC_JOB_CONTROL: 887 *retval = 1; 888 break; 889 case SUNOS_SC_SAVED_IDS: 890 #ifdef _POSIX_SAVED_IDS 891 *retval = 1; 892 #else 893 *retval = 0; 894 #endif 895 break; 896 case SUNOS_SC_VERSION: 897 *retval = 198808; 898 break; 899 default: 900 return EINVAL; 901 } 902 return 0; 903 } 904 905 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 906 #define SUNOS_RLIM_NLIMITS 7 907 908 int 909 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 910 { 911 struct compat_43_sys_getrlimit_args ua_43; 912 913 SCARG(&ua_43, which) = SCARG(uap, which); 914 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 915 916 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 917 return EINVAL; 918 919 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 920 SCARG(&ua_43, which) = RLIMIT_NOFILE; 921 922 return compat_43_sys_getrlimit(l, &ua_43, retval); 923 } 924 925 int 926 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 927 { 928 struct compat_43_sys_setrlimit_args ua_43; 929 930 SCARG(&ua_43, which) = SCARG(uap, which); 931 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 932 933 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 934 return EINVAL; 935 936 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 937 SCARG(&ua_43, which) = RLIMIT_NOFILE; 938 939 return compat_43_sys_setrlimit(l, &ua_43, retval); 940 } 941 942 /* for the m68k machines */ 943 #ifndef PT_GETFPREGS 944 #define PT_GETFPREGS -1 945 #endif 946 #ifndef PT_SETFPREGS 947 #define PT_SETFPREGS -1 948 #endif 949 950 static const int sreq2breq[] = { 951 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 952 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 953 PT_KILL, -1, PT_ATTACH, PT_DETACH, 954 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 955 }; 956 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 957 958 int 959 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 960 { 961 struct sys_ptrace_args pa; 962 int req; 963 964 #define sys_ptrace sysent[SYS_ptrace].sy_call 965 if (sys_ptrace == sys_nosys) 966 return ENOSYS; 967 968 req = SCARG(uap, req); 969 970 if (req < 0 || req >= nreqs) 971 return (EINVAL); 972 973 req = sreq2breq[req]; 974 if (req == -1) 975 return (EINVAL); 976 977 SCARG(&pa, req) = req; 978 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 979 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 980 SCARG(&pa, data) = SCARG(uap, data); 981 982 return sys_ptrace(l, &pa, retval); 983 } 984 985 /* 986 * SunOS reboot system call (for compatibility). 987 * Sun lets you pass in a boot string which the PROM 988 * saves and provides to the next boot program. 989 */ 990 991 #define SUNOS_RB_ASKNAME 0x001 992 #define SUNOS_RB_SINGLE 0x002 993 #define SUNOS_RB_NOSYNC 0x004 994 #define SUNOS_RB_HALT 0x008 995 #define SUNOS_RB_DUMP 0x080 996 #define SUNOS_RB_STRING 0x200 997 998 static struct sunos_howto_conv { 999 int sun_howto; 1000 int bsd_howto; 1001 } sunos_howto_conv[] = { 1002 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1003 { SUNOS_RB_SINGLE, RB_SINGLE }, 1004 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1005 { SUNOS_RB_HALT, RB_HALT }, 1006 { SUNOS_RB_DUMP, RB_DUMP }, 1007 { SUNOS_RB_STRING, RB_STRING }, 1008 { 0x000, 0 }, 1009 }; 1010 1011 int 1012 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1013 { 1014 struct sys_reboot_args ua; 1015 struct sunos_howto_conv *convp; 1016 int error, bsd_howto, sun_howto; 1017 char *bootstr; 1018 char bs[128]; 1019 1020 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1021 0, NULL, NULL, NULL)) != 0) 1022 return (error); 1023 1024 /* 1025 * Convert howto bits to BSD format. 1026 */ 1027 sun_howto = SCARG(uap, howto); 1028 bsd_howto = 0; 1029 convp = sunos_howto_conv; 1030 while (convp->sun_howto) { 1031 if (sun_howto & convp->sun_howto) 1032 bsd_howto |= convp->bsd_howto; 1033 convp++; 1034 } 1035 1036 /* 1037 * Sun RB_STRING (Get user supplied bootstring.) 1038 * If the machine supports passing a string to the 1039 * next booted kernel. 1040 */ 1041 if (sun_howto & SUNOS_RB_STRING) { 1042 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1043 1044 if (error) 1045 bootstr = NULL; 1046 else 1047 bootstr = bs; 1048 } else 1049 bootstr = NULL; 1050 1051 SCARG(&ua, opt) = bsd_howto; 1052 SCARG(&ua, bootstr) = bootstr; 1053 sys_reboot(l, &ua, retval); 1054 return(0); 1055 } 1056 1057 /* 1058 * Generalized interface signal handler, 4.3-compatible. 1059 */ 1060 /* ARGSUSED */ 1061 int 1062 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1063 { 1064 /* { 1065 syscallarg(int) signum; 1066 syscallarg(struct sigvec *) nsv; 1067 syscallarg(struct sigvec *) osv; 1068 } */ 1069 struct sigvec nsv, osv; 1070 struct sigaction nsa, osa; 1071 int error; 1072 /*XXX*/extern void compat_43_sigvec_to_sigaction 1073 (const struct sigvec *, struct sigaction *); 1074 /*XXX*/extern void compat_43_sigaction_to_sigvec 1075 (const struct sigaction *, struct sigvec *); 1076 1077 if (SCARG(uap, nsv)) { 1078 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1079 if (error != 0) 1080 return (error); 1081 1082 /* 1083 * SunOS uses the mask 0x0004 as SV_RESETHAND 1084 * meaning: `reset to SIG_DFL on delivery'. 1085 * We support only the bits in: 0xF 1086 * (those bits are the same as ours) 1087 */ 1088 if (nsv.sv_flags & ~0xF) 1089 return (EINVAL); 1090 1091 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1092 } 1093 error = sigaction1(l, SCARG(uap, signum), 1094 SCARG(uap, nsv) ? &nsa : 0, 1095 SCARG(uap, osv) ? &osa : 0, 1096 NULL, 0); 1097 if (error != 0) 1098 return (error); 1099 1100 if (SCARG(uap, osv)) { 1101 compat_43_sigaction_to_sigvec(&osa, &osv); 1102 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1103 if (error != 0) 1104 return (error); 1105 } 1106 1107 return (0); 1108 } 1109