1 /* $NetBSD: sunos_misc.c,v 1.178 2026/09/20 13:46:08 riastradh 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 1.178 2026/09/20 13:46:08 riastradh 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 memset(&bsd_ua, 0, sizeof(bsd_ua)); 129 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 130 SCARG(&bsd_ua, status) = SCARG(uap, status); 131 SCARG(&bsd_ua, options) = SCARG(uap, options); 132 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 133 134 return (compat_50_sys_wait4(l, &bsd_ua, retval)); 135 } 136 137 int 138 sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) 139 { 140 struct sys_open_args ouap; 141 142 memset(&ouap, 0, sizeof(ouap)); 143 SCARG(&ouap, path) = SCARG(uap, path); 144 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 145 SCARG(&ouap, mode) = SCARG(uap, mode); 146 147 return (sys_open(l, &ouap, retval)); 148 } 149 150 int 151 sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) 152 { 153 /* { 154 syscallarg(const char *) path; 155 syscallarg(char **) argv; 156 } */ 157 struct sys_execve_args ap; 158 159 memset(&ap, 0, sizeof(ap)); 160 SCARG(&ap, path) = SCARG(uap, path); 161 SCARG(&ap, argp) = SCARG(uap, argp); 162 SCARG(&ap, envp) = NULL; 163 164 return (sys_execve(l, &ap, retval)); 165 } 166 167 int 168 sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) 169 { 170 /* { 171 syscallarg(const char *) path; 172 syscallarg(char **) argv; 173 syscallarg(char **) envp; 174 } */ 175 struct sys_execve_args ap; 176 177 memset(&ap, 0, sizeof(ap)); 178 SCARG(&ap, path) = SCARG(uap, path); 179 SCARG(&ap, argp) = SCARG(uap, argp); 180 SCARG(&ap, envp) = SCARG(uap, envp); 181 182 return (sys_execve(l, &ap, retval)); 183 } 184 185 int 186 sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) 187 { 188 struct sys___msync13_args ouap; 189 190 memset(&ouap, 0, sizeof(ouap)); 191 SCARG(&ouap, addr) = SCARG(uap, addr); 192 SCARG(&ouap, len) = SCARG(uap, len); 193 SCARG(&ouap, flags) = SCARG(uap, flags); 194 195 return (sys___msync13(l, &ouap, retval)); 196 } 197 198 int 199 sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) 200 { 201 struct sys_unmount_args ouap; 202 203 memset(&ouap, 0, sizeof(ouap)); 204 SCARG(&ouap, path) = SCARG(uap, path); 205 SCARG(&ouap, flags) = 0; 206 207 return (sys_unmount(l, &ouap, retval)); 208 } 209 210 /* 211 * Conversion table for SunOS NFS mount flags. 212 */ 213 static struct { 214 int sun_flg; 215 int bsd_flg; 216 } sunnfs_flgtab[] = { 217 { SUNNFS_SOFT, NFSMNT_SOFT }, 218 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 219 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 220 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 221 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 222 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 223 { SUNNFS_INT, NFSMNT_INT }, 224 { SUNNFS_NOAC, 0 }, /* Ignored */ 225 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 226 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 227 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 228 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 229 { SUNNFS_SECURE, 0 }, /* Ignored */ 230 { SUNNFS_NOCTO, 0 }, /* Ignored */ 231 { SUNNFS_POSIX, 0 } /* Ignored */ 232 }; 233 234 int 235 sunos_sys_mount(struct lwp *l, const struct sunos_sys_mount_args *uap, register_t *retval) 236 { 237 int oflags = SCARG(uap, flags), nflags, error; 238 char fsname[MFSNAMELEN]; 239 register_t dummy; 240 241 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 242 return (EINVAL); 243 if ((oflags & SUNM_NEWTYPE) == 0) 244 return (EINVAL); 245 nflags = 0; 246 if (oflags & SUNM_RDONLY) 247 nflags |= MNT_RDONLY; 248 if (oflags & SUNM_NOSUID) 249 nflags |= MNT_NOSUID; 250 if (oflags & SUNM_REMOUNT) 251 nflags |= MNT_UPDATE; 252 253 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 254 if (error) 255 return (error); 256 257 if (strcmp(fsname, "nfs") == 0) { 258 struct sunos_nfs_args sna; 259 struct nfs_args na; 260 int n; 261 262 error = copyin(SCARG(uap, data), &sna, sizeof sna); 263 if (error) 264 return (error); 265 /* sa.sa_len = sizeof(sain); */ 266 na.version = NFS_ARGSVERSION; 267 na.addr = (void *)sna.addr; 268 na.addrlen = sizeof(struct sockaddr); 269 na.sotype = SOCK_DGRAM; 270 na.proto = IPPROTO_UDP; 271 na.fh = sna.fh; 272 na.fhsize = NFSX_V2FH; 273 na.flags = 0; 274 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 275 while (--n >= 0) 276 if (sna.flags & sunnfs_flgtab[n].sun_flg) 277 na.flags |= sunnfs_flgtab[n].bsd_flg; 278 na.wsize = sna.wsize; 279 na.rsize = sna.rsize; 280 if (na.flags & NFSMNT_RSIZE) { 281 na.flags |= NFSMNT_READDIRSIZE; 282 na.readdirsize = na.rsize; 283 } 284 na.timeo = sna.timeo; 285 na.retrans = sna.retrans; 286 #ifdef __arch64__ 287 /* XXX */ 288 na.hostname = (char *)(intptr_t)sna.hostname; 289 #else 290 na.hostname = sna.hostname; 291 #endif 292 return do_sys_mount(l, "nfs", UIO_SYSSPACE, 293 SCARG(uap, dir), nflags, &na, 294 UIO_SYSSPACE, sizeof na, &dummy); 295 } 296 297 if (strcmp(fsname, "4.2") == 0) 298 strcpy(fsname, "ffs"); 299 300 return do_sys_mount(l, fsname, UIO_SYSSPACE, 301 SCARG(uap, dir), nflags, SCARG(uap, data), 302 UIO_USERSPACE, 0, &dummy); 303 } 304 305 int 306 async_daemon(struct lwp *l, const void *v, register_t *retval) 307 { 308 309 return kpause("fakeniod", false, 0, NULL); 310 } 311 312 void native_to_sunos_sigset(const sigset_t *, int *); 313 void sunos_to_native_sigset(const int, sigset_t *); 314 315 inline void 316 native_to_sunos_sigset(const sigset_t *ss, int *mask) 317 { 318 319 *mask = ss->__bits[0]; 320 } 321 322 inline void 323 sunos_to_native_sigset(const int mask, sigset_t *ss) 324 { 325 326 memset(ss, 0, sizeof(*ss)); 327 ss->__bits[0] = mask; 328 ss->__bits[1] = 0; 329 ss->__bits[2] = 0; 330 ss->__bits[3] = 0; 331 } 332 333 int 334 sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 335 { 336 sigset_t ss; 337 int mask; 338 339 sigpending1(l, &ss); 340 native_to_sunos_sigset(&ss, &mask); 341 342 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 343 } 344 345 int 346 sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 347 { 348 /* { 349 syscallarg(int) mask; 350 } */ 351 int mask; 352 sigset_t ss; 353 354 mask = SCARG(uap, mask); 355 sunos_to_native_sigset(mask, &ss); 356 return (sigsuspend1(l, &ss)); 357 } 358 359 /* 360 * Read Sun-style directory entries. We suck them into kernel space so 361 * that they can be massaged before being copied out to user code. Like 362 * SunOS, we squish out `empty' entries. 363 * 364 * This is quite ugly, but what do you expect from compatibility code? 365 */ 366 int 367 sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 368 { 369 struct dirent *bdp; 370 struct vnode *vp; 371 char *inp, *buf; /* BSD-format */ 372 int len, reclen; /* BSD-format */ 373 char *outp; /* Sun-format */ 374 int resid, sunos_reclen;/* Sun-format */ 375 struct file *fp; 376 struct uio auio; 377 struct iovec aiov; 378 struct sunos_dirent idb; 379 off_t off; /* true file offset */ 380 int buflen, error, eofflag; 381 off_t *cookiebuf, *cookie; 382 int ncookies; 383 384 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 385 return (error); 386 387 if ((fp->f_flag & FREAD) == 0) { 388 error = EBADF; 389 goto out1; 390 } 391 392 vp = fp->f_vnode; 393 if (vp->v_type != VDIR) { 394 error = EINVAL; 395 goto out1; 396 } 397 398 buflen = uimin(MAXBSIZE, SCARG(uap, nbytes)); 399 buf = malloc(buflen, M_TEMP, M_WAITOK); 400 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 401 off = fp->f_offset; 402 again: 403 aiov.iov_base = buf; 404 aiov.iov_len = buflen; 405 auio.uio_iov = &aiov; 406 auio.uio_iovcnt = 1; 407 auio.uio_rw = UIO_READ; 408 auio.uio_resid = buflen; 409 auio.uio_offset = off; 410 UIO_SETUP_SYSSPACE(&auio); 411 /* 412 * First we read into the malloc'ed buffer, then 413 * we massage it into user space, one record at a time. 414 */ 415 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 416 &ncookies); 417 if (error) 418 goto out; 419 420 inp = buf; 421 outp = SCARG(uap, buf); 422 resid = SCARG(uap, nbytes); 423 if ((len = buflen - auio.uio_resid) == 0) 424 goto eof; 425 426 for (cookie = cookiebuf; len > 0; len -= reclen) { 427 bdp = (struct dirent *)inp; 428 reclen = bdp->d_reclen; 429 if (reclen & 3) { 430 error = EIO; 431 goto out; 432 } 433 if ((*cookie >> 32) != 0) { 434 compat_offseterr(vp, "sunos_getdents"); 435 error = EINVAL; 436 goto out; 437 } 438 if (bdp->d_fileno == 0) { 439 inp += reclen; /* it is a hole; squish it out */ 440 if (cookie) 441 off = *cookie++; 442 else 443 off += reclen; 444 continue; 445 } 446 memset(&idb, 0, sizeof(idb)); 447 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 448 if (reclen > len || resid < sunos_reclen) { 449 /* entry too big for buffer, so just stop */ 450 outp++; 451 break; 452 } 453 if (cookie) 454 off = *cookie++; /* each entry points to next */ 455 else 456 off += reclen; 457 /* 458 * Massage in place to make a Sun-shaped dirent (otherwise 459 * we have to worry about touching user memory outside of 460 * the copyout() call). 461 */ 462 idb.d_fileno = bdp->d_fileno; 463 idb.d_off = off; 464 idb.d_reclen = sunos_reclen; 465 idb.d_namlen = bdp->d_namlen; 466 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 467 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 468 goto out; 469 /* advance past this real entry */ 470 inp += reclen; 471 /* advance output past Sun-shaped entry */ 472 outp += sunos_reclen; 473 resid -= sunos_reclen; 474 } 475 476 /* if we squished out the whole block, try again */ 477 if (outp == SCARG(uap, buf)) { 478 if (cookiebuf) 479 free(cookiebuf, M_TEMP); 480 cookiebuf = NULL; 481 goto again; 482 } 483 fp->f_offset = off; /* update the vnode offset */ 484 485 eof: 486 *retval = SCARG(uap, nbytes) - resid; 487 out: 488 VOP_UNLOCK(vp); 489 free(cookiebuf, M_TEMP); 490 free(buf, M_TEMP); 491 out1: 492 fd_putfile(SCARG(uap, fd)); 493 return (error); 494 } 495 496 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 497 498 int 499 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 500 { 501 struct sys_mmap_args ouap; 502 503 /* 504 * Verify the arguments. 505 */ 506 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 507 return (EINVAL); /* XXX still needed? */ 508 509 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 510 return (EINVAL); 511 512 memset(&ouap, 0, sizeof(ouap)); 513 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 514 SCARG(&ouap, addr) = SCARG(uap, addr); 515 SCARG(&ouap, len) = SCARG(uap, len); 516 SCARG(&ouap, prot) = SCARG(uap, prot); 517 SCARG(&ouap, fd) = SCARG(uap, fd); 518 SCARG(&ouap, pos) = SCARG(uap, pos); 519 520 return (sys_mmap(l, &ouap, retval)); 521 } 522 523 #define MC_SYNC 1 524 #define MC_LOCK 2 525 #define MC_UNLOCK 3 526 #define MC_ADVISE 4 527 #define MC_LOCKAS 5 528 #define MC_UNLOCKAS 6 529 530 int 531 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 532 { 533 534 switch (SCARG(uap, func)) { 535 case MC_ADVISE: /* ignore for now */ 536 return (0); 537 case MC_SYNC: /* translate to msync */ 538 return (sys___msync13(l, (const void *)uap, retval)); 539 default: 540 return (EINVAL); 541 } 542 } 543 544 int 545 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 546 { 547 struct sockopt sopt; 548 struct socket *so; 549 int name = SCARG(uap, name); 550 int error; 551 552 /* fd_getsock() will use the descriptor for us */ 553 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 554 return (error); 555 #define SO_DONTLINGER (~SO_LINGER) 556 if (name == SO_DONTLINGER) { 557 struct linger lg; 558 559 lg.l_onoff = 0; 560 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 561 &lg, sizeof(lg)); 562 goto out; 563 } 564 if (SCARG(uap, level) == IPPROTO_IP) { 565 #define SUNOS_IP_MULTICAST_IF 2 566 #define SUNOS_IP_MULTICAST_TTL 3 567 #define SUNOS_IP_MULTICAST_LOOP 4 568 #define SUNOS_IP_ADD_MEMBERSHIP 5 569 #define SUNOS_IP_DROP_MEMBERSHIP 6 570 static const int ipoptxlat[] = { 571 IP_MULTICAST_IF, 572 IP_MULTICAST_TTL, 573 IP_MULTICAST_LOOP, 574 IP_ADD_MEMBERSHIP, 575 IP_DROP_MEMBERSHIP 576 }; 577 if (name >= SUNOS_IP_MULTICAST_IF && 578 name <= SUNOS_IP_DROP_MEMBERSHIP) { 579 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 580 } 581 } 582 if ((unsigned)SCARG(uap, valsize) > MLEN) { 583 error = EINVAL; 584 goto out; 585 } 586 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 587 if (SCARG(uap, val)) { 588 error = copyin(SCARG(uap, val), sopt.sopt_data, 589 (u_int)SCARG(uap, valsize)); 590 } 591 if (error == 0) 592 error = sosetopt(so, &sopt); 593 sockopt_destroy(&sopt); 594 out: 595 fd_putfile(SCARG(uap, s)); 596 return (error); 597 } 598 599 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 600 int type); 601 static inline int 602 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 603 { 604 struct socket *so; 605 int error, fd; 606 607 /* fd_getsock() will use the descriptor for us */ 608 fd = (int)*retval; 609 if ((error = fd_getsock(fd, &so)) == 0) { 610 if (type == SOCK_DGRAM) 611 so->so_options |= SO_BROADCAST; 612 fd_putfile(fd); 613 } 614 return (error); 615 } 616 617 int 618 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 619 { 620 /* { 621 syscallarg(int) domain; 622 syscallarg(int) type; 623 syscallarg(int) protocol; 624 } */ 625 int error; 626 627 error = compat_30_sys_socket(l, (const void *)uap, retval); 628 if (error) 629 return (error); 630 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 631 } 632 633 int 634 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 635 { 636 /* { 637 syscallarg(int) domain; 638 syscallarg(int) type; 639 syscallarg(int) protocol; 640 syscallarg(int *) rsv; 641 } */ 642 int error; 643 644 error = sys_socketpair(l, (const void *)uap, retval); 645 if (error) 646 return (error); 647 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 648 } 649 650 /* 651 * XXX: This needs cleaning up. 652 */ 653 int 654 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 655 { 656 return 0; 657 } 658 659 int 660 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 661 { 662 struct sunos_utsname sut; 663 664 memset(&sut, 0, sizeof(sut)); 665 666 strlcpy(sut.sysname, ostype, sizeof(sut.sysname)); 667 strlcpy(sut.nodename, hostname, sizeof(sut.nodename)); 668 strlcpy(sut.release, osrelease, sizeof(sut.release)); 669 strlcpy(sut.version, "1", sizeof(sut.version)); 670 strlcpy(sut.machine, machine, sizeof(sut.machine)); 671 672 return copyout(&sut, SCARG(uap, name), sizeof(sut)); 673 } 674 675 int 676 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 677 { 678 struct proc *p = l->l_proc; 679 680 /* 681 * difference to our setpgid call is to include backwards 682 * compatibility to pre-setsid() binaries. Do setsid() 683 * instead of setpgid() in those cases where the process 684 * tries to create a new session the old way. 685 */ 686 if (!SCARG(uap, pgid) && 687 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 688 return sys_setsid(l, NULL, retval); 689 else 690 return sys_setpgid(l, (const void *)uap, retval); 691 } 692 693 int 694 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 695 { 696 struct proc *p = l->l_proc; 697 struct sys_open_args open_ua; 698 int smode, nmode; 699 int noctty; 700 int ret; 701 702 /* convert mode into NetBSD mode */ 703 smode = SCARG(uap, flags); 704 noctty = smode & 0x8000; 705 nmode = smode & 706 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 707 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 708 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 709 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 710 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 711 712 memset(&open_ua, 0, sizeof(open_ua)); 713 SCARG(&open_ua, path) = SCARG(uap, path); 714 SCARG(&open_ua, flags) = nmode; 715 SCARG(&open_ua, mode) = SCARG(uap, mode); 716 ret = sys_open(l, &open_ua, retval); 717 718 /* XXXSMP */ 719 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 720 file_t *fp; 721 int fd; 722 723 fd = (int)*retval; 724 fp = fd_getfile(fd); 725 726 /* ignore any error, just give it a try */ 727 if (fp != NULL) { 728 if (fp->f_type == DTYPE_VNODE) 729 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 730 fd_putfile(fd); 731 } 732 } 733 return ret; 734 } 735 736 int 737 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 738 { 739 struct sunos_ustat us; 740 int error; 741 742 memset(&us, 0, sizeof us); 743 744 /* 745 * XXX: should set f_tfree and f_tinode at least 746 * How do we translate dev -> fstat? (and then to sunos_ustat) 747 */ 748 749 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 750 return (error); 751 return 0; 752 } 753 754 int 755 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 756 { 757 758 return EINVAL; 759 } 760 761 int 762 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 763 { 764 struct proc *p = l->l_proc; 765 struct session *sp = p->p_session; 766 767 if (sp->s_ttyvp == 0) 768 return 0; 769 770 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 771 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 772 773 (void) ttywait(sp->s_ttyp); 774 if (sp->s_ttyvp) 775 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 776 if (sp->s_ttyvp) 777 vrele(sp->s_ttyvp); 778 sp->s_ttyvp = NULL; 779 780 return 0; 781 } 782 783 static int 784 sunstatfs(struct statvfs *sp, void *buf) 785 { 786 struct sunos_statfs ssfs; 787 788 memset(&ssfs, 0, sizeof ssfs); 789 ssfs.f_type = 0; 790 ssfs.f_bsize = sp->f_bsize; 791 ssfs.f_blocks = sp->f_blocks; 792 ssfs.f_bfree = sp->f_bfree; 793 ssfs.f_bavail = sp->f_bavail; 794 ssfs.f_files = sp->f_files; 795 ssfs.f_ffree = sp->f_ffree; 796 ssfs.f_fsid = sp->f_fsidx; 797 return copyout((void *)&ssfs, buf, sizeof ssfs); 798 } 799 800 int 801 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 802 { 803 struct mount *mp; 804 struct statvfs *sp; 805 int error; 806 struct vnode *vp; 807 808 error = namei_simple_user(SCARG(uap, path), 809 NSM_FOLLOW_TRYEMULROOT, &vp); 810 if (error != 0) 811 return (error); 812 mp = vp->v_mount; 813 sp = &mp->mnt_stat; 814 vrele(vp); 815 if ((error = VFS_STATVFS(mp, sp)) != 0) 816 return (error); 817 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 818 return sunstatfs(sp, (void *)SCARG(uap, buf)); 819 } 820 821 int 822 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 823 { 824 file_t *fp; 825 struct mount *mp; 826 struct statvfs *sp; 827 int error; 828 829 /* fd_getvnode() will use the descriptor for us */ 830 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 831 return (error); 832 mp = fp->f_vnode->v_mount; 833 sp = &mp->mnt_stat; 834 if ((error = VFS_STATVFS(mp, sp)) != 0) 835 goto out; 836 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 837 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 838 out: 839 fd_putfile(SCARG(uap, fd)); 840 return (error); 841 } 842 843 int 844 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 845 { 846 /* 847 * XXX: should perhaps translate into a mount(2) 848 * with MOUNT_EXPORT? 849 */ 850 return 0; 851 } 852 853 int 854 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 855 { 856 struct sys_mkfifo_args fifo_ua; 857 858 if (S_ISFIFO(SCARG(uap, mode))) { 859 memset(&fifo_ua, 0, sizeof(fifo_ua)); 860 SCARG(&fifo_ua, path) = SCARG(uap, path); 861 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 862 return sys_mkfifo(l, &fifo_ua, retval); 863 } 864 865 return compat_50_sys_mknod(l, 866 (const struct compat_50_sys_mknod_args *)uap, retval); 867 } 868 869 #define SUNOS_SC_ARG_MAX 1 870 #define SUNOS_SC_CHILD_MAX 2 871 #define SUNOS_SC_CLK_TCK 3 872 #define SUNOS_SC_NGROUPS_MAX 4 873 #define SUNOS_SC_OPEN_MAX 5 874 #define SUNOS_SC_JOB_CONTROL 6 875 #define SUNOS_SC_SAVED_IDS 7 876 #define SUNOS_SC_VERSION 8 877 878 int 879 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 880 { 881 882 switch(SCARG(uap, name)) { 883 case SUNOS_SC_ARG_MAX: 884 *retval = ARG_MAX; 885 break; 886 case SUNOS_SC_CHILD_MAX: 887 *retval = maxproc; 888 break; 889 case SUNOS_SC_CLK_TCK: 890 *retval = 60; /* should this be `hz', ie. 100? */ 891 break; 892 case SUNOS_SC_NGROUPS_MAX: 893 *retval = NGROUPS_MAX; 894 break; 895 case SUNOS_SC_OPEN_MAX: 896 *retval = maxfiles; 897 break; 898 case SUNOS_SC_JOB_CONTROL: 899 *retval = 1; 900 break; 901 case SUNOS_SC_SAVED_IDS: 902 #ifdef _POSIX_SAVED_IDS 903 *retval = 1; 904 #else 905 *retval = 0; 906 #endif 907 break; 908 case SUNOS_SC_VERSION: 909 *retval = 198808; 910 break; 911 default: 912 return EINVAL; 913 } 914 return 0; 915 } 916 917 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 918 #define SUNOS_RLIM_NLIMITS 7 919 920 int 921 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 922 { 923 struct compat_43_sys_getrlimit_args ua_43; 924 925 memset(&ua_43, 0, sizeof(ua_43)); 926 SCARG(&ua_43, which) = SCARG(uap, which); 927 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 928 929 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 930 return EINVAL; 931 932 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 933 SCARG(&ua_43, which) = RLIMIT_NOFILE; 934 935 return compat_43_sys_getrlimit(l, &ua_43, retval); 936 } 937 938 int 939 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 940 { 941 struct compat_43_sys_setrlimit_args ua_43; 942 943 memset(&ua_43, 0, sizeof(ua_43)); 944 SCARG(&ua_43, which) = SCARG(uap, which); 945 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 946 947 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 948 return EINVAL; 949 950 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 951 SCARG(&ua_43, which) = RLIMIT_NOFILE; 952 953 return compat_43_sys_setrlimit(l, &ua_43, retval); 954 } 955 956 /* for the m68k machines */ 957 #ifndef PT_GETFPREGS 958 #define PT_GETFPREGS -1 959 #endif 960 #ifndef PT_SETFPREGS 961 #define PT_SETFPREGS -1 962 #endif 963 964 static const int sreq2breq[] = { 965 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 966 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 967 PT_KILL, -1, PT_ATTACH, PT_DETACH, 968 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 969 }; 970 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 971 972 int 973 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 974 { 975 struct sys_ptrace_args pa; 976 int req; 977 978 #define sys_ptrace sysent[SYS_ptrace].sy_call 979 if (sys_ptrace == sys_nosys) 980 return ENOSYS; 981 982 req = SCARG(uap, req); 983 984 if (req < 0 || req >= nreqs) 985 return (EINVAL); 986 987 req = sreq2breq[req]; 988 if (req == -1) 989 return (EINVAL); 990 991 memset(&pa, 0, sizeof(pa)); 992 SCARG(&pa, req) = req; 993 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 994 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 995 SCARG(&pa, data) = SCARG(uap, data); 996 997 return sys_ptrace(l, &pa, retval); 998 } 999 1000 /* 1001 * SunOS reboot system call (for compatibility). 1002 * Sun lets you pass in a boot string which the PROM 1003 * saves and provides to the next boot program. 1004 */ 1005 1006 #define SUNOS_RB_ASKNAME 0x001 1007 #define SUNOS_RB_SINGLE 0x002 1008 #define SUNOS_RB_NOSYNC 0x004 1009 #define SUNOS_RB_HALT 0x008 1010 #define SUNOS_RB_DUMP 0x080 1011 #define SUNOS_RB_STRING 0x200 1012 1013 static struct sunos_howto_conv { 1014 int sun_howto; 1015 int bsd_howto; 1016 } sunos_howto_conv[] = { 1017 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1018 { SUNOS_RB_SINGLE, RB_SINGLE }, 1019 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1020 { SUNOS_RB_HALT, RB_HALT }, 1021 { SUNOS_RB_DUMP, RB_DUMP }, 1022 { SUNOS_RB_STRING, RB_STRING }, 1023 { 0x000, 0 }, 1024 }; 1025 1026 int 1027 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1028 { 1029 struct sys_reboot_args ua; 1030 struct sunos_howto_conv *convp; 1031 int error, bsd_howto, sun_howto; 1032 char *bootstr; 1033 char bs[128]; 1034 1035 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1036 0, NULL, NULL, NULL)) != 0) 1037 return (error); 1038 1039 /* 1040 * Convert howto bits to BSD format. 1041 */ 1042 sun_howto = SCARG(uap, howto); 1043 bsd_howto = 0; 1044 convp = sunos_howto_conv; 1045 while (convp->sun_howto) { 1046 if (sun_howto & convp->sun_howto) 1047 bsd_howto |= convp->bsd_howto; 1048 convp++; 1049 } 1050 1051 /* 1052 * Sun RB_STRING (Get user supplied bootstring.) 1053 * If the machine supports passing a string to the 1054 * next booted kernel. 1055 */ 1056 if (sun_howto & SUNOS_RB_STRING) { 1057 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1058 1059 if (error) 1060 bootstr = NULL; 1061 else 1062 bootstr = bs; 1063 } else 1064 bootstr = NULL; 1065 1066 memset(&ua, 0, sizeof(ua)); 1067 SCARG(&ua, opt) = bsd_howto; 1068 SCARG(&ua, bootstr) = bootstr; 1069 sys_reboot(l, &ua, retval); 1070 return(0); 1071 } 1072 1073 /* 1074 * Generalized interface signal handler, 4.3-compatible. 1075 */ 1076 /* ARGSUSED */ 1077 int 1078 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1079 { 1080 /* { 1081 syscallarg(int) signum; 1082 syscallarg(struct sigvec *) nsv; 1083 syscallarg(struct sigvec *) osv; 1084 } */ 1085 struct sigvec nsv, osv; 1086 struct sigaction nsa, osa; 1087 int error; 1088 /*XXX*/extern void compat_43_sigvec_to_sigaction 1089 (const struct sigvec *, struct sigaction *); 1090 /*XXX*/extern void compat_43_sigaction_to_sigvec 1091 (const struct sigaction *, struct sigvec *); 1092 1093 if (SCARG(uap, nsv)) { 1094 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1095 if (error != 0) 1096 return (error); 1097 1098 /* 1099 * SunOS uses the mask 0x0004 as SV_RESETHAND 1100 * meaning: `reset to SIG_DFL on delivery'. 1101 * We support only the bits in: 0xF 1102 * (those bits are the same as ours) 1103 */ 1104 if (nsv.sv_flags & ~0xF) 1105 return (EINVAL); 1106 1107 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1108 } 1109 error = sigaction1(l, SCARG(uap, signum), 1110 SCARG(uap, nsv) ? &nsa : 0, 1111 SCARG(uap, osv) ? &osa : 0, 1112 NULL, 0); 1113 if (error != 0) 1114 return (error); 1115 1116 if (SCARG(uap, osv)) { 1117 compat_43_sigaction_to_sigvec(&osa, &osv); 1118 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1119 if (error != 0) 1120 return (error); 1121 } 1122 1123 return (0); 1124 } 1125
Indexes created Sun Oct 25 00:26:45 UTC 2026