1 /* $NetBSD: sunos_misc.c,v 1.177 2021/09/07 11:43:05 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 1.177 2021/09/07 11:43:05 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 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 { 312 313 *mask = ss->__bits[0]; 314 } 315 316 inline void 317 sunos_to_native_sigset(const int mask, sigset_t *ss) 318 { 319 320 memset(ss, 0, sizeof(*ss)); 321 ss->__bits[0] = mask; 322 ss->__bits[1] = 0; 323 ss->__bits[2] = 0; 324 ss->__bits[3] = 0; 325 } 326 327 int 328 sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 329 { 330 sigset_t ss; 331 int mask; 332 333 sigpending1(l, &ss); 334 native_to_sunos_sigset(&ss, &mask); 335 336 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 337 } 338 339 int 340 sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 341 { 342 /* { 343 syscallarg(int) mask; 344 } */ 345 int mask; 346 sigset_t ss; 347 348 mask = SCARG(uap, mask); 349 sunos_to_native_sigset(mask, &ss); 350 return (sigsuspend1(l, &ss)); 351 } 352 353 /* 354 * Read Sun-style directory entries. We suck them into kernel space so 355 * that they can be massaged before being copied out to user code. Like 356 * SunOS, we squish out `empty' entries. 357 * 358 * This is quite ugly, but what do you expect from compatibility code? 359 */ 360 int 361 sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 362 { 363 struct dirent *bdp; 364 struct vnode *vp; 365 char *inp, *buf; /* BSD-format */ 366 int len, reclen; /* BSD-format */ 367 char *outp; /* Sun-format */ 368 int resid, sunos_reclen;/* Sun-format */ 369 struct file *fp; 370 struct uio auio; 371 struct iovec aiov; 372 struct sunos_dirent idb; 373 off_t off; /* true file offset */ 374 int buflen, error, eofflag; 375 off_t *cookiebuf, *cookie; 376 int ncookies; 377 378 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 379 return (error); 380 381 if ((fp->f_flag & FREAD) == 0) { 382 error = EBADF; 383 goto out1; 384 } 385 386 vp = fp->f_vnode; 387 if (vp->v_type != VDIR) { 388 error = EINVAL; 389 goto out1; 390 } 391 392 buflen = uimin(MAXBSIZE, SCARG(uap, nbytes)); 393 buf = malloc(buflen, M_TEMP, M_WAITOK); 394 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 395 off = fp->f_offset; 396 again: 397 aiov.iov_base = buf; 398 aiov.iov_len = buflen; 399 auio.uio_iov = &aiov; 400 auio.uio_iovcnt = 1; 401 auio.uio_rw = UIO_READ; 402 auio.uio_resid = buflen; 403 auio.uio_offset = off; 404 UIO_SETUP_SYSSPACE(&auio); 405 /* 406 * First we read into the malloc'ed buffer, then 407 * we massage it into user space, one record at a time. 408 */ 409 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 410 &ncookies); 411 if (error) 412 goto out; 413 414 inp = buf; 415 outp = SCARG(uap, buf); 416 resid = SCARG(uap, nbytes); 417 if ((len = buflen - auio.uio_resid) == 0) 418 goto eof; 419 420 for (cookie = cookiebuf; len > 0; len -= reclen) { 421 bdp = (struct dirent *)inp; 422 reclen = bdp->d_reclen; 423 if (reclen & 3) { 424 error = EIO; 425 goto out; 426 } 427 if ((*cookie >> 32) != 0) { 428 compat_offseterr(vp, "sunos_getdents"); 429 error = EINVAL; 430 goto out; 431 } 432 if (bdp->d_fileno == 0) { 433 inp += reclen; /* it is a hole; squish it out */ 434 if (cookie) 435 off = *cookie++; 436 else 437 off += reclen; 438 continue; 439 } 440 memset(&idb, 0, sizeof(idb)); 441 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 442 if (reclen > len || resid < sunos_reclen) { 443 /* entry too big for buffer, so just stop */ 444 outp++; 445 break; 446 } 447 if (cookie) 448 off = *cookie++; /* each entry points to next */ 449 else 450 off += reclen; 451 /* 452 * Massage in place to make a Sun-shaped dirent (otherwise 453 * we have to worry about touching user memory outside of 454 * the copyout() call). 455 */ 456 idb.d_fileno = bdp->d_fileno; 457 idb.d_off = off; 458 idb.d_reclen = sunos_reclen; 459 idb.d_namlen = bdp->d_namlen; 460 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 461 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 462 goto out; 463 /* advance past this real entry */ 464 inp += reclen; 465 /* advance output past Sun-shaped entry */ 466 outp += sunos_reclen; 467 resid -= sunos_reclen; 468 } 469 470 /* if we squished out the whole block, try again */ 471 if (outp == SCARG(uap, buf)) { 472 if (cookiebuf) 473 free(cookiebuf, M_TEMP); 474 cookiebuf = NULL; 475 goto again; 476 } 477 fp->f_offset = off; /* update the vnode offset */ 478 479 eof: 480 *retval = SCARG(uap, nbytes) - resid; 481 out: 482 VOP_UNLOCK(vp); 483 free(cookiebuf, M_TEMP); 484 free(buf, M_TEMP); 485 out1: 486 fd_putfile(SCARG(uap, fd)); 487 return (error); 488 } 489 490 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 491 492 int 493 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 494 { 495 struct sys_mmap_args ouap; 496 497 /* 498 * Verify the arguments. 499 */ 500 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 501 return (EINVAL); /* XXX still needed? */ 502 503 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 504 return (EINVAL); 505 506 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 507 SCARG(&ouap, addr) = SCARG(uap, addr); 508 SCARG(&ouap, len) = SCARG(uap, len); 509 SCARG(&ouap, prot) = SCARG(uap, prot); 510 SCARG(&ouap, fd) = SCARG(uap, fd); 511 SCARG(&ouap, pos) = SCARG(uap, pos); 512 513 return (sys_mmap(l, &ouap, retval)); 514 } 515 516 #define MC_SYNC 1 517 #define MC_LOCK 2 518 #define MC_UNLOCK 3 519 #define MC_ADVISE 4 520 #define MC_LOCKAS 5 521 #define MC_UNLOCKAS 6 522 523 int 524 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 525 { 526 527 switch (SCARG(uap, func)) { 528 case MC_ADVISE: /* ignore for now */ 529 return (0); 530 case MC_SYNC: /* translate to msync */ 531 return (sys___msync13(l, (const void *)uap, retval)); 532 default: 533 return (EINVAL); 534 } 535 } 536 537 int 538 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 539 { 540 struct sockopt sopt; 541 struct socket *so; 542 int name = SCARG(uap, name); 543 int error; 544 545 /* fd_getsock() will use the descriptor for us */ 546 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 547 return (error); 548 #define SO_DONTLINGER (~SO_LINGER) 549 if (name == SO_DONTLINGER) { 550 struct linger lg; 551 552 lg.l_onoff = 0; 553 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 554 &lg, sizeof(lg)); 555 goto out; 556 } 557 if (SCARG(uap, level) == IPPROTO_IP) { 558 #define SUNOS_IP_MULTICAST_IF 2 559 #define SUNOS_IP_MULTICAST_TTL 3 560 #define SUNOS_IP_MULTICAST_LOOP 4 561 #define SUNOS_IP_ADD_MEMBERSHIP 5 562 #define SUNOS_IP_DROP_MEMBERSHIP 6 563 static const int ipoptxlat[] = { 564 IP_MULTICAST_IF, 565 IP_MULTICAST_TTL, 566 IP_MULTICAST_LOOP, 567 IP_ADD_MEMBERSHIP, 568 IP_DROP_MEMBERSHIP 569 }; 570 if (name >= SUNOS_IP_MULTICAST_IF && 571 name <= SUNOS_IP_DROP_MEMBERSHIP) { 572 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 573 } 574 } 575 if ((unsigned)SCARG(uap, valsize) > MLEN) { 576 error = EINVAL; 577 goto out; 578 } 579 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 580 if (SCARG(uap, val)) { 581 error = copyin(SCARG(uap, val), sopt.sopt_data, 582 (u_int)SCARG(uap, valsize)); 583 } 584 if (error == 0) 585 error = sosetopt(so, &sopt); 586 sockopt_destroy(&sopt); 587 out: 588 fd_putfile(SCARG(uap, s)); 589 return (error); 590 } 591 592 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 593 int type); 594 static inline int 595 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 596 { 597 struct socket *so; 598 int error, fd; 599 600 /* fd_getsock() will use the descriptor for us */ 601 fd = (int)*retval; 602 if ((error = fd_getsock(fd, &so)) == 0) { 603 if (type == SOCK_DGRAM) 604 so->so_options |= SO_BROADCAST; 605 fd_putfile(fd); 606 } 607 return (error); 608 } 609 610 int 611 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 612 { 613 /* { 614 syscallarg(int) domain; 615 syscallarg(int) type; 616 syscallarg(int) protocol; 617 } */ 618 int error; 619 620 error = compat_30_sys_socket(l, (const void *)uap, retval); 621 if (error) 622 return (error); 623 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 624 } 625 626 int 627 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 628 { 629 /* { 630 syscallarg(int) domain; 631 syscallarg(int) type; 632 syscallarg(int) protocol; 633 syscallarg(int *) rsv; 634 } */ 635 int error; 636 637 error = sys_socketpair(l, (const void *)uap, retval); 638 if (error) 639 return (error); 640 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 641 } 642 643 /* 644 * XXX: This needs cleaning up. 645 */ 646 int 647 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 648 { 649 return 0; 650 } 651 652 int 653 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 654 { 655 struct sunos_utsname sut; 656 657 memset(&sut, 0, sizeof(sut)); 658 659 strlcpy(sut.sysname, ostype, sizeof(sut.sysname)); 660 strlcpy(sut.nodename, hostname, sizeof(sut.nodename)); 661 strlcpy(sut.release, osrelease, sizeof(sut.release)); 662 strlcpy(sut.version, "1", sizeof(sut.version)); 663 strlcpy(sut.machine, machine, sizeof(sut.machine)); 664 665 return copyout(&sut, SCARG(uap, name), sizeof(sut)); 666 } 667 668 int 669 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 670 { 671 struct proc *p = l->l_proc; 672 673 /* 674 * difference to our setpgid call is to include backwards 675 * compatibility to pre-setsid() binaries. Do setsid() 676 * instead of setpgid() in those cases where the process 677 * tries to create a new session the old way. 678 */ 679 if (!SCARG(uap, pgid) && 680 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 681 return sys_setsid(l, NULL, retval); 682 else 683 return sys_setpgid(l, (const void *)uap, retval); 684 } 685 686 int 687 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 688 { 689 struct proc *p = l->l_proc; 690 struct sys_open_args open_ua; 691 int smode, nmode; 692 int noctty; 693 int ret; 694 695 /* convert mode into NetBSD mode */ 696 smode = SCARG(uap, flags); 697 noctty = smode & 0x8000; 698 nmode = smode & 699 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 700 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 701 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 702 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 703 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 704 705 SCARG(&open_ua, path) = SCARG(uap, path); 706 SCARG(&open_ua, flags) = nmode; 707 SCARG(&open_ua, mode) = SCARG(uap, mode); 708 ret = sys_open(l, &open_ua, retval); 709 710 /* XXXSMP */ 711 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 712 file_t *fp; 713 int fd; 714 715 fd = (int)*retval; 716 fp = fd_getfile(fd); 717 718 /* ignore any error, just give it a try */ 719 if (fp != NULL) { 720 if (fp->f_type == DTYPE_VNODE) 721 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 722 fd_putfile(fd); 723 } 724 } 725 return ret; 726 } 727 728 int 729 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 730 { 731 struct sunos_ustat us; 732 int error; 733 734 memset(&us, 0, sizeof us); 735 736 /* 737 * XXX: should set f_tfree and f_tinode at least 738 * How do we translate dev -> fstat? (and then to sunos_ustat) 739 */ 740 741 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 742 return (error); 743 return 0; 744 } 745 746 int 747 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 748 { 749 750 return EINVAL; 751 } 752 753 int 754 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 755 { 756 struct proc *p = l->l_proc; 757 struct session *sp = p->p_session; 758 759 if (sp->s_ttyvp == 0) 760 return 0; 761 762 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 763 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 764 765 (void) ttywait(sp->s_ttyp); 766 if (sp->s_ttyvp) 767 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 768 if (sp->s_ttyvp) 769 vrele(sp->s_ttyvp); 770 sp->s_ttyvp = NULL; 771 772 return 0; 773 } 774 775 static int 776 sunstatfs(struct statvfs *sp, void *buf) 777 { 778 struct sunos_statfs ssfs; 779 780 memset(&ssfs, 0, sizeof ssfs); 781 ssfs.f_type = 0; 782 ssfs.f_bsize = sp->f_bsize; 783 ssfs.f_blocks = sp->f_blocks; 784 ssfs.f_bfree = sp->f_bfree; 785 ssfs.f_bavail = sp->f_bavail; 786 ssfs.f_files = sp->f_files; 787 ssfs.f_ffree = sp->f_ffree; 788 ssfs.f_fsid = sp->f_fsidx; 789 return copyout((void *)&ssfs, buf, sizeof ssfs); 790 } 791 792 int 793 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 794 { 795 struct mount *mp; 796 struct statvfs *sp; 797 int error; 798 struct vnode *vp; 799 800 error = namei_simple_user(SCARG(uap, path), 801 NSM_FOLLOW_TRYEMULROOT, &vp); 802 if (error != 0) 803 return (error); 804 mp = vp->v_mount; 805 sp = &mp->mnt_stat; 806 vrele(vp); 807 if ((error = VFS_STATVFS(mp, sp)) != 0) 808 return (error); 809 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 810 return sunstatfs(sp, (void *)SCARG(uap, buf)); 811 } 812 813 int 814 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 815 { 816 file_t *fp; 817 struct mount *mp; 818 struct statvfs *sp; 819 int error; 820 821 /* fd_getvnode() will use the descriptor for us */ 822 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 823 return (error); 824 mp = fp->f_vnode->v_mount; 825 sp = &mp->mnt_stat; 826 if ((error = VFS_STATVFS(mp, sp)) != 0) 827 goto out; 828 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 829 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 830 out: 831 fd_putfile(SCARG(uap, fd)); 832 return (error); 833 } 834 835 int 836 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 837 { 838 /* 839 * XXX: should perhaps translate into a mount(2) 840 * with MOUNT_EXPORT? 841 */ 842 return 0; 843 } 844 845 int 846 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 847 { 848 struct sys_mkfifo_args fifo_ua; 849 850 if (S_ISFIFO(SCARG(uap, mode))) { 851 SCARG(&fifo_ua, path) = SCARG(uap, path); 852 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 853 return sys_mkfifo(l, &fifo_ua, retval); 854 } 855 856 return compat_50_sys_mknod(l, 857 (const struct compat_50_sys_mknod_args *)uap, retval); 858 } 859 860 #define SUNOS_SC_ARG_MAX 1 861 #define SUNOS_SC_CHILD_MAX 2 862 #define SUNOS_SC_CLK_TCK 3 863 #define SUNOS_SC_NGROUPS_MAX 4 864 #define SUNOS_SC_OPEN_MAX 5 865 #define SUNOS_SC_JOB_CONTROL 6 866 #define SUNOS_SC_SAVED_IDS 7 867 #define SUNOS_SC_VERSION 8 868 869 int 870 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 871 { 872 873 switch(SCARG(uap, name)) { 874 case SUNOS_SC_ARG_MAX: 875 *retval = ARG_MAX; 876 break; 877 case SUNOS_SC_CHILD_MAX: 878 *retval = maxproc; 879 break; 880 case SUNOS_SC_CLK_TCK: 881 *retval = 60; /* should this be `hz', ie. 100? */ 882 break; 883 case SUNOS_SC_NGROUPS_MAX: 884 *retval = NGROUPS_MAX; 885 break; 886 case SUNOS_SC_OPEN_MAX: 887 *retval = maxfiles; 888 break; 889 case SUNOS_SC_JOB_CONTROL: 890 *retval = 1; 891 break; 892 case SUNOS_SC_SAVED_IDS: 893 #ifdef _POSIX_SAVED_IDS 894 *retval = 1; 895 #else 896 *retval = 0; 897 #endif 898 break; 899 case SUNOS_SC_VERSION: 900 *retval = 198808; 901 break; 902 default: 903 return EINVAL; 904 } 905 return 0; 906 } 907 908 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 909 #define SUNOS_RLIM_NLIMITS 7 910 911 int 912 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 913 { 914 struct compat_43_sys_getrlimit_args ua_43; 915 916 SCARG(&ua_43, which) = SCARG(uap, which); 917 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 918 919 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 920 return EINVAL; 921 922 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 923 SCARG(&ua_43, which) = RLIMIT_NOFILE; 924 925 return compat_43_sys_getrlimit(l, &ua_43, retval); 926 } 927 928 int 929 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 930 { 931 struct compat_43_sys_setrlimit_args ua_43; 932 933 SCARG(&ua_43, which) = SCARG(uap, which); 934 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 935 936 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 937 return EINVAL; 938 939 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 940 SCARG(&ua_43, which) = RLIMIT_NOFILE; 941 942 return compat_43_sys_setrlimit(l, &ua_43, retval); 943 } 944 945 /* for the m68k machines */ 946 #ifndef PT_GETFPREGS 947 #define PT_GETFPREGS -1 948 #endif 949 #ifndef PT_SETFPREGS 950 #define PT_SETFPREGS -1 951 #endif 952 953 static const int sreq2breq[] = { 954 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 955 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 956 PT_KILL, -1, PT_ATTACH, PT_DETACH, 957 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 958 }; 959 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 960 961 int 962 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 963 { 964 struct sys_ptrace_args pa; 965 int req; 966 967 #define sys_ptrace sysent[SYS_ptrace].sy_call 968 if (sys_ptrace == sys_nosys) 969 return ENOSYS; 970 971 req = SCARG(uap, req); 972 973 if (req < 0 || req >= nreqs) 974 return (EINVAL); 975 976 req = sreq2breq[req]; 977 if (req == -1) 978 return (EINVAL); 979 980 SCARG(&pa, req) = req; 981 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 982 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 983 SCARG(&pa, data) = SCARG(uap, data); 984 985 return sys_ptrace(l, &pa, retval); 986 } 987 988 /* 989 * SunOS reboot system call (for compatibility). 990 * Sun lets you pass in a boot string which the PROM 991 * saves and provides to the next boot program. 992 */ 993 994 #define SUNOS_RB_ASKNAME 0x001 995 #define SUNOS_RB_SINGLE 0x002 996 #define SUNOS_RB_NOSYNC 0x004 997 #define SUNOS_RB_HALT 0x008 998 #define SUNOS_RB_DUMP 0x080 999 #define SUNOS_RB_STRING 0x200 1000 1001 static struct sunos_howto_conv { 1002 int sun_howto; 1003 int bsd_howto; 1004 } sunos_howto_conv[] = { 1005 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1006 { SUNOS_RB_SINGLE, RB_SINGLE }, 1007 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1008 { SUNOS_RB_HALT, RB_HALT }, 1009 { SUNOS_RB_DUMP, RB_DUMP }, 1010 { SUNOS_RB_STRING, RB_STRING }, 1011 { 0x000, 0 }, 1012 }; 1013 1014 int 1015 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1016 { 1017 struct sys_reboot_args ua; 1018 struct sunos_howto_conv *convp; 1019 int error, bsd_howto, sun_howto; 1020 char *bootstr; 1021 char bs[128]; 1022 1023 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1024 0, NULL, NULL, NULL)) != 0) 1025 return (error); 1026 1027 /* 1028 * Convert howto bits to BSD format. 1029 */ 1030 sun_howto = SCARG(uap, howto); 1031 bsd_howto = 0; 1032 convp = sunos_howto_conv; 1033 while (convp->sun_howto) { 1034 if (sun_howto & convp->sun_howto) 1035 bsd_howto |= convp->bsd_howto; 1036 convp++; 1037 } 1038 1039 /* 1040 * Sun RB_STRING (Get user supplied bootstring.) 1041 * If the machine supports passing a string to the 1042 * next booted kernel. 1043 */ 1044 if (sun_howto & SUNOS_RB_STRING) { 1045 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1046 1047 if (error) 1048 bootstr = NULL; 1049 else 1050 bootstr = bs; 1051 } else 1052 bootstr = NULL; 1053 1054 SCARG(&ua, opt) = bsd_howto; 1055 SCARG(&ua, bootstr) = bootstr; 1056 sys_reboot(l, &ua, retval); 1057 return(0); 1058 } 1059 1060 /* 1061 * Generalized interface signal handler, 4.3-compatible. 1062 */ 1063 /* ARGSUSED */ 1064 int 1065 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1066 { 1067 /* { 1068 syscallarg(int) signum; 1069 syscallarg(struct sigvec *) nsv; 1070 syscallarg(struct sigvec *) osv; 1071 } */ 1072 struct sigvec nsv, osv; 1073 struct sigaction nsa, osa; 1074 int error; 1075 /*XXX*/extern void compat_43_sigvec_to_sigaction 1076 (const struct sigvec *, struct sigaction *); 1077 /*XXX*/extern void compat_43_sigaction_to_sigvec 1078 (const struct sigaction *, struct sigvec *); 1079 1080 if (SCARG(uap, nsv)) { 1081 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1082 if (error != 0) 1083 return (error); 1084 1085 /* 1086 * SunOS uses the mask 0x0004 as SV_RESETHAND 1087 * meaning: `reset to SIG_DFL on delivery'. 1088 * We support only the bits in: 0xF 1089 * (those bits are the same as ours) 1090 */ 1091 if (nsv.sv_flags & ~0xF) 1092 return (EINVAL); 1093 1094 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1095 } 1096 error = sigaction1(l, SCARG(uap, signum), 1097 SCARG(uap, nsv) ? &nsa : 0, 1098 SCARG(uap, osv) ? &osa : 0, 1099 NULL, 0); 1100 if (error != 0) 1101 return (error); 1102 1103 if (SCARG(uap, osv)) { 1104 compat_43_sigaction_to_sigvec(&osa, &osv); 1105 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1106 if (error != 0) 1107 return (error); 1108 } 1109 1110 return (0); 1111 } 1112
Indexes created Sun Sep 21 16:09:51 GMT 2025