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sys/compat/sunos/sunos_misc.c
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1 /* $NetBSD: sunos_misc.c,v 1.161.4.1 2010/03/17 02:59:52 snj 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 1.161.4.1 2010/03/17 02:59:52 snj Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "opt_ptrace.h" 58 #include "fs_nfs.h" 59 #endif 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscall.h> 89 #include <sys/syscallargs.h> 90 #include <sys/conf.h> 91 #include <sys/socketvar.h> 92 #include <sys/exec.h> 93 #include <sys/swap.h> 94 #include <sys/kauth.h> 95 96 #include <compat/sys/signal.h> 97 98 #include <compat/sunos/sunos.h> 99 #include <compat/sunos/sunos_syscallargs.h> 100 #include <compat/common/compat_util.h> 101 #include <compat/sunos/sunos_dirent.h> 102 #include <compat/sys/mount.h> 103 104 #include <netinet/in.h> 105 106 #include <miscfs/specfs/specdev.h> 107 108 #include <nfs/rpcv2.h> 109 #include <nfs/nfsproto.h> 110 #include <nfs/nfs.h> 111 #include <nfs/nfsmount.h> 112 113 static int sunstatfs(struct statvfs *, void *); 114 115 int 116 sunos_sys_stime(struct lwp *l, const struct sunos_sys_stime_args *uap, register_t *retval) 117 { 118 struct timeval tv; 119 int error; 120 121 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 122 if (error) 123 return error; 124 tv.tv_usec = 0; 125 126 return settimeofday1(&tv, false, NULL, l, true); 127 } 128 129 int 130 sunos_sys_wait4(struct lwp *l, const struct sunos_sys_wait4_args *uap, register_t *retval) 131 { 132 struct sys_wait4_args bsd_ua; 133 134 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 135 SCARG(&bsd_ua, status) = SCARG(uap, status); 136 SCARG(&bsd_ua, options) = SCARG(uap, options); 137 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 138 139 return (sys_wait4(l, &bsd_ua, retval)); 140 } 141 142 int 143 sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) 144 { 145 struct sys_open_args ouap; 146 147 SCARG(&ouap, path) = SCARG(uap, path); 148 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 149 SCARG(&ouap, mode) = SCARG(uap, mode); 150 151 return (sys_open(l, &ouap, retval)); 152 } 153 154 int 155 sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) 156 { 157 /* { 158 syscallarg(const char *) path; 159 syscallarg(char **) argv; 160 } */ 161 struct sys_execve_args ap; 162 163 SCARG(&ap, path) = SCARG(uap, path); 164 SCARG(&ap, argp) = SCARG(uap, argp); 165 SCARG(&ap, envp) = NULL; 166 167 return (sys_execve(l, &ap, retval)); 168 } 169 170 int 171 sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) 172 { 173 /* { 174 syscallarg(const char *) path; 175 syscallarg(char **) argv; 176 syscallarg(char **) envp; 177 } */ 178 struct sys_execve_args ap; 179 180 SCARG(&ap, path) = SCARG(uap, path); 181 SCARG(&ap, argp) = SCARG(uap, argp); 182 SCARG(&ap, envp) = SCARG(uap, envp); 183 184 return (sys_execve(l, &ap, retval)); 185 } 186 187 int 188 sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) 189 { 190 struct sys___msync13_args ouap; 191 192 SCARG(&ouap, addr) = SCARG(uap, addr); 193 SCARG(&ouap, len) = SCARG(uap, len); 194 SCARG(&ouap, flags) = SCARG(uap, flags); 195 196 return (sys___msync13(l, &ouap, retval)); 197 } 198 199 int 200 sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) 201 { 202 struct sys_unmount_args ouap; 203 204 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 na.hostname = /* (char *)(u_long) */ sna.hostname; 287 288 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 289 SCARG(uap, dir), nflags, &na, 290 UIO_SYSSPACE, sizeof na, &dummy); 291 } 292 293 if (strcmp(fsname, "4.2") == 0) 294 strcpy(fsname, "ffs"); 295 296 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 297 SCARG(uap, dir), nflags, SCARG(uap, data), 298 UIO_USERSPACE, 0, &dummy); 299 } 300 301 #if defined(NFS) 302 int 303 async_daemon(struct lwp *l, const void *v, register_t *retval) 304 { 305 struct sys_nfssvc_args ouap; 306 307 SCARG(&ouap, flag) = NFSSVC_BIOD; 308 SCARG(&ouap, argp) = NULL; 309 310 return (sys_nfssvc(l, &ouap, retval)); 311 } 312 #endif /* NFS */ 313 314 void native_to_sunos_sigset(const sigset_t *, int *); 315 void sunos_to_native_sigset(const int, sigset_t *); 316 317 inline void 318 native_to_sunos_sigset(const sigset_t *ss, int *mask) 319 { 320 *mask = ss->__bits[0]; 321 } 322 323 inline void 324 sunos_to_native_sigset(const int mask, sigset_t *ss) 325 { 326 327 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_data; 393 if (vp->v_type != VDIR) { 394 error = EINVAL; 395 goto out1; 396 } 397 398 buflen = min(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 panic("sunos_getdents"); 431 if ((*cookie >> 32) != 0) { 432 compat_offseterr(vp, "sunos_getdents"); 433 error = EINVAL; 434 goto out; 435 } 436 if (bdp->d_fileno == 0) { 437 inp += reclen; /* it is a hole; squish it out */ 438 if (cookie) 439 off = *cookie++; 440 else 441 off += reclen; 442 continue; 443 } 444 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 445 if (reclen > len || resid < sunos_reclen) { 446 /* entry too big for buffer, so just stop */ 447 outp++; 448 break; 449 } 450 if (cookie) 451 off = *cookie++; /* each entry points to next */ 452 else 453 off += reclen; 454 /* 455 * Massage in place to make a Sun-shaped dirent (otherwise 456 * we have to worry about touching user memory outside of 457 * the copyout() call). 458 */ 459 idb.d_fileno = bdp->d_fileno; 460 idb.d_off = off; 461 idb.d_reclen = sunos_reclen; 462 idb.d_namlen = bdp->d_namlen; 463 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 464 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 465 goto out; 466 /* advance past this real entry */ 467 inp += reclen; 468 /* advance output past Sun-shaped entry */ 469 outp += sunos_reclen; 470 resid -= sunos_reclen; 471 } 472 473 /* if we squished out the whole block, try again */ 474 if (outp == SCARG(uap, buf)) { 475 if (cookiebuf) 476 free(cookiebuf, M_TEMP); 477 cookiebuf = NULL; 478 goto again; 479 } 480 fp->f_offset = off; /* update the vnode offset */ 481 482 eof: 483 *retval = SCARG(uap, nbytes) - resid; 484 out: 485 VOP_UNLOCK(vp, 0); 486 free(cookiebuf, M_TEMP); 487 free(buf, M_TEMP); 488 out1: 489 fd_putfile(SCARG(uap, fd)); 490 return (error); 491 } 492 493 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 494 495 int 496 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 497 { 498 struct sys_mmap_args ouap; 499 500 /* 501 * Verify the arguments. 502 */ 503 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 504 return (EINVAL); /* XXX still needed? */ 505 506 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 507 return (EINVAL); 508 509 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 510 SCARG(&ouap, addr) = SCARG(uap, addr); 511 SCARG(&ouap, len) = SCARG(uap, len); 512 SCARG(&ouap, prot) = SCARG(uap, prot); 513 SCARG(&ouap, fd) = SCARG(uap, fd); 514 SCARG(&ouap, pos) = SCARG(uap, pos); 515 516 return (sys_mmap(l, &ouap, retval)); 517 } 518 519 #define MC_SYNC 1 520 #define MC_LOCK 2 521 #define MC_UNLOCK 3 522 #define MC_ADVISE 4 523 #define MC_LOCKAS 5 524 #define MC_UNLOCKAS 6 525 526 int 527 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 528 { 529 530 switch (SCARG(uap, func)) { 531 case MC_ADVISE: /* ignore for now */ 532 return (0); 533 case MC_SYNC: /* translate to msync */ 534 return (sys___msync13(l, (const void *)uap, retval)); 535 default: 536 return (EINVAL); 537 } 538 } 539 540 int 541 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 542 { 543 struct sockopt sopt; 544 struct socket *so; 545 int name = SCARG(uap, name); 546 int error; 547 548 /* fd_getsock() will use the descriptor for us */ 549 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 550 return (error); 551 #define SO_DONTLINGER (~SO_LINGER) 552 if (name == SO_DONTLINGER) { 553 struct linger lg; 554 555 lg.l_onoff = 0; 556 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 557 &lg, sizeof(lg)); 558 goto out; 559 } 560 if (SCARG(uap, level) == IPPROTO_IP) { 561 #define SUNOS_IP_MULTICAST_IF 2 562 #define SUNOS_IP_MULTICAST_TTL 3 563 #define SUNOS_IP_MULTICAST_LOOP 4 564 #define SUNOS_IP_ADD_MEMBERSHIP 5 565 #define SUNOS_IP_DROP_MEMBERSHIP 6 566 static const int ipoptxlat[] = { 567 IP_MULTICAST_IF, 568 IP_MULTICAST_TTL, 569 IP_MULTICAST_LOOP, 570 IP_ADD_MEMBERSHIP, 571 IP_DROP_MEMBERSHIP 572 }; 573 if (name >= SUNOS_IP_MULTICAST_IF && 574 name <= SUNOS_IP_DROP_MEMBERSHIP) { 575 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 576 } 577 } 578 if (SCARG(uap, valsize) > MLEN) { 579 error = EINVAL; 580 goto out; 581 } 582 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 583 if (SCARG(uap, val)) { 584 error = copyin(SCARG(uap, val), sopt.sopt_data, 585 (u_int)SCARG(uap, valsize)); 586 } 587 if (error == 0) 588 error = sosetopt(so, &sopt); 589 sockopt_destroy(&sopt); 590 out: 591 fd_putfile(SCARG(uap, s)); 592 return (error); 593 } 594 595 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 596 int type); 597 static inline int 598 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 599 { 600 struct socket *so; 601 int error, fd; 602 603 /* fd_getsock() will use the descriptor for us */ 604 fd = (int)*retval; 605 if ((error = fd_getsock(fd, &so)) == 0) { 606 if (type == SOCK_DGRAM) 607 so->so_options |= SO_BROADCAST; 608 fd_putfile(fd); 609 } 610 return (error); 611 } 612 613 int 614 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 615 { 616 /* { 617 syscallarg(int) domain; 618 syscallarg(int) type; 619 syscallarg(int) protocol; 620 } */ 621 int error; 622 623 error = compat_30_sys_socket(l, (const void *)uap, retval); 624 if (error) 625 return (error); 626 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 627 } 628 629 int 630 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 631 { 632 /* { 633 syscallarg(int) domain; 634 syscallarg(int) type; 635 syscallarg(int) protocol; 636 syscallarg(int *) rsv; 637 } */ 638 int error; 639 640 error = sys_socketpair(l, (const void *)uap, retval); 641 if (error) 642 return (error); 643 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 644 } 645 646 /* 647 * XXX: This needs cleaning up. 648 */ 649 int 650 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 651 { 652 return 0; 653 } 654 655 int 656 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 657 { 658 struct sunos_utsname sut; 659 660 memset(&sut, 0, sizeof(sut)); 661 662 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 663 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 664 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 665 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 666 memcpy(sut.version, "1", sizeof(sut.version) - 1); 667 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 668 669 return copyout((void *)&sut, (void *)SCARG(uap, name), 670 sizeof(struct sunos_utsname)); 671 } 672 673 int 674 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 675 { 676 struct proc *p = l->l_proc; 677 678 /* 679 * difference to our setpgid call is to include backwards 680 * compatibility to pre-setsid() binaries. Do setsid() 681 * instead of setpgid() in those cases where the process 682 * tries to create a new session the old way. 683 */ 684 if (!SCARG(uap, pgid) && 685 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 686 return sys_setsid(l, NULL, retval); 687 else 688 return sys_setpgid(l, (const void *)uap, retval); 689 } 690 691 int 692 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 693 { 694 struct proc *p = l->l_proc; 695 struct sys_open_args open_ua; 696 int smode, nmode; 697 int noctty; 698 int ret; 699 700 /* convert mode into NetBSD mode */ 701 smode = SCARG(uap, flags); 702 noctty = smode & 0x8000; 703 nmode = smode & 704 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 705 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 706 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 707 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 708 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 709 710 SCARG(&open_ua, path) = SCARG(uap, path); 711 SCARG(&open_ua, flags) = nmode; 712 SCARG(&open_ua, mode) = SCARG(uap, mode); 713 ret = sys_open(l, &open_ua, retval); 714 715 /* XXXSMP */ 716 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 717 file_t *fp; 718 int fd; 719 720 fd = (int)*retval; 721 fp = fd_getfile(fd); 722 723 /* ignore any error, just give it a try */ 724 if (fp != NULL) { 725 if (fp->f_type == DTYPE_VNODE) 726 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 727 fd_putfile(fd); 728 } 729 } 730 return ret; 731 } 732 733 #if defined (NFSSERVER) 734 int 735 sunos_sys_nfssvc(struct lwp *l, const struct sunos_sys_nfssvc_args *uap, register_t *retval) 736 { 737 #if 0 738 struct proc *p = l->l_proc; 739 struct emul *e = p->p_emul; 740 struct sys_nfssvc_args outuap; 741 struct sockaddr sa; 742 int error; 743 void *sg = stackgap_init(p, 0); 744 745 memset(&outuap, 0, sizeof outuap); 746 SCARG(&outuap, fd) = SCARG(uap, fd); 747 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 748 SCARG(&outuap, msklen) = sizeof(sa); 749 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 750 SCARG(&outuap, mtchlen) = sizeof(sa); 751 752 memset(&sa, 0, sizeof sa); 753 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 754 return (error); 755 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 756 return (error); 757 758 return nfssvc(l, &outuap, retval); 759 #else 760 return (ENOSYS); 761 #endif 762 } 763 #endif /* NFSSERVER */ 764 765 int 766 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 767 { 768 struct sunos_ustat us; 769 int error; 770 771 memset(&us, 0, sizeof us); 772 773 /* 774 * XXX: should set f_tfree and f_tinode at least 775 * How do we translate dev -> fstat? (and then to sunos_ustat) 776 */ 777 778 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 779 return (error); 780 return 0; 781 } 782 783 int 784 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 785 { 786 787 return EINVAL; 788 } 789 790 int 791 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 792 { 793 struct proc *p = l->l_proc; 794 struct session *sp = p->p_session; 795 796 if (sp->s_ttyvp == 0) 797 return 0; 798 799 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 800 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 801 802 (void) ttywait(sp->s_ttyp); 803 if (sp->s_ttyvp) 804 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 805 if (sp->s_ttyvp) 806 vrele(sp->s_ttyvp); 807 sp->s_ttyvp = NULL; 808 809 return 0; 810 } 811 812 static int 813 sunstatfs(struct statvfs *sp, void *buf) 814 { 815 struct sunos_statfs ssfs; 816 817 memset(&ssfs, 0, sizeof ssfs); 818 ssfs.f_type = 0; 819 ssfs.f_bsize = sp->f_bsize; 820 ssfs.f_blocks = sp->f_blocks; 821 ssfs.f_bfree = sp->f_bfree; 822 ssfs.f_bavail = sp->f_bavail; 823 ssfs.f_files = sp->f_files; 824 ssfs.f_ffree = sp->f_ffree; 825 ssfs.f_fsid = sp->f_fsidx; 826 return copyout((void *)&ssfs, buf, sizeof ssfs); 827 } 828 829 int 830 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 831 { 832 struct mount *mp; 833 struct statvfs *sp; 834 int error; 835 struct nameidata nd; 836 837 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 838 SCARG(uap, path)); 839 if ((error = namei(&nd)) != 0) 840 return (error); 841 mp = nd.ni_vp->v_mount; 842 sp = &mp->mnt_stat; 843 vrele(nd.ni_vp); 844 if ((error = VFS_STATVFS(mp, sp)) != 0) 845 return (error); 846 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 847 return sunstatfs(sp, (void *)SCARG(uap, buf)); 848 } 849 850 int 851 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 852 { 853 file_t *fp; 854 struct mount *mp; 855 struct statvfs *sp; 856 int error; 857 858 /* fd_getvnode() will use the descriptor for us */ 859 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 860 return (error); 861 mp = ((struct vnode *)fp->f_data)->v_mount; 862 sp = &mp->mnt_stat; 863 if ((error = VFS_STATVFS(mp, sp)) != 0) 864 goto out; 865 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 866 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 867 out: 868 fd_putfile(SCARG(uap, fd)); 869 return (error); 870 } 871 872 int 873 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 874 { 875 /* 876 * XXX: should perhaps translate into a mount(2) 877 * with MOUNT_EXPORT? 878 */ 879 return 0; 880 } 881 882 int 883 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 884 { 885 struct sys_mkfifo_args fifo_ua; 886 887 if (S_ISFIFO(SCARG(uap, mode))) { 888 SCARG(&fifo_ua, path) = SCARG(uap, path); 889 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 890 return sys_mkfifo(l, &fifo_ua, retval); 891 } 892 893 return sys_mknod(l, (const struct sys_mknod_args *)uap, retval); 894 } 895 896 #define SUNOS_SC_ARG_MAX 1 897 #define SUNOS_SC_CHILD_MAX 2 898 #define SUNOS_SC_CLK_TCK 3 899 #define SUNOS_SC_NGROUPS_MAX 4 900 #define SUNOS_SC_OPEN_MAX 5 901 #define SUNOS_SC_JOB_CONTROL 6 902 #define SUNOS_SC_SAVED_IDS 7 903 #define SUNOS_SC_VERSION 8 904 905 int 906 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 907 { 908 909 switch(SCARG(uap, name)) { 910 case SUNOS_SC_ARG_MAX: 911 *retval = ARG_MAX; 912 break; 913 case SUNOS_SC_CHILD_MAX: 914 *retval = maxproc; 915 break; 916 case SUNOS_SC_CLK_TCK: 917 *retval = 60; /* should this be `hz', ie. 100? */ 918 break; 919 case SUNOS_SC_NGROUPS_MAX: 920 *retval = NGROUPS_MAX; 921 break; 922 case SUNOS_SC_OPEN_MAX: 923 *retval = maxfiles; 924 break; 925 case SUNOS_SC_JOB_CONTROL: 926 *retval = 1; 927 break; 928 case SUNOS_SC_SAVED_IDS: 929 #ifdef _POSIX_SAVED_IDS 930 *retval = 1; 931 #else 932 *retval = 0; 933 #endif 934 break; 935 case SUNOS_SC_VERSION: 936 *retval = 198808; 937 break; 938 default: 939 return EINVAL; 940 } 941 return 0; 942 } 943 944 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 945 #define SUNOS_RLIM_NLIMITS 7 946 947 int 948 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 949 { 950 struct compat_43_sys_getrlimit_args ua_43; 951 952 SCARG(&ua_43, which) = SCARG(uap, which); 953 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 954 955 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 956 return EINVAL; 957 958 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 959 SCARG(&ua_43, which) = RLIMIT_NOFILE; 960 961 return compat_43_sys_getrlimit(l, &ua_43, retval); 962 } 963 964 int 965 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 966 { 967 struct compat_43_sys_setrlimit_args ua_43; 968 969 SCARG(&ua_43, which) = SCARG(uap, which); 970 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 971 972 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 973 return EINVAL; 974 975 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 976 SCARG(&ua_43, which) = RLIMIT_NOFILE; 977 978 return compat_43_sys_setrlimit(l, &ua_43, retval); 979 } 980 981 #if defined(PTRACE) || defined(_LKM) 982 /* for the m68k machines */ 983 #ifndef PT_GETFPREGS 984 #define PT_GETFPREGS -1 985 #endif 986 #ifndef PT_SETFPREGS 987 #define PT_SETFPREGS -1 988 #endif 989 990 static const int sreq2breq[] = { 991 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 992 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 993 PT_KILL, -1, PT_ATTACH, PT_DETACH, 994 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 995 }; 996 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 997 #endif /* PTRACE || _LKM */ 998 999 int 1000 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 1001 { 1002 #if defined(PTRACE) || defined(_LKM) 1003 struct sys_ptrace_args pa; 1004 int req; 1005 1006 #ifdef _LKM 1007 #define sys_ptrace sysent[SYS_ptrace].sy_call 1008 if (sys_ptrace == sys_nosys) 1009 return ENOSYS; 1010 #endif 1011 1012 req = SCARG(uap, req); 1013 1014 if (req < 0 || req >= nreqs) 1015 return (EINVAL); 1016 1017 req = sreq2breq[req]; 1018 if (req == -1) 1019 return (EINVAL); 1020 1021 SCARG(&pa, req) = req; 1022 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1023 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1024 SCARG(&pa, data) = SCARG(uap, data); 1025 1026 return sys_ptrace(l, &pa, retval); 1027 #else 1028 return ENOSYS; 1029 #endif /* PTRACE || _LKM */ 1030 } 1031 1032 /* 1033 * SunOS reboot system call (for compatibility). 1034 * Sun lets you pass in a boot string which the PROM 1035 * saves and provides to the next boot program. 1036 */ 1037 1038 #define SUNOS_RB_ASKNAME 0x001 1039 #define SUNOS_RB_SINGLE 0x002 1040 #define SUNOS_RB_NOSYNC 0x004 1041 #define SUNOS_RB_HALT 0x008 1042 #define SUNOS_RB_DUMP 0x080 1043 #define SUNOS_RB_STRING 0x200 1044 1045 static struct sunos_howto_conv { 1046 int sun_howto; 1047 int bsd_howto; 1048 } sunos_howto_conv[] = { 1049 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1050 { SUNOS_RB_SINGLE, RB_SINGLE }, 1051 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1052 { SUNOS_RB_HALT, RB_HALT }, 1053 { SUNOS_RB_DUMP, RB_DUMP }, 1054 { SUNOS_RB_STRING, RB_STRING }, 1055 { 0x000, 0 }, 1056 }; 1057 1058 int 1059 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1060 { 1061 struct sys_reboot_args ua; 1062 struct sunos_howto_conv *convp; 1063 int error, bsd_howto, sun_howto; 1064 char *bootstr; 1065 1066 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1067 0, NULL, NULL, NULL)) != 0) 1068 return (error); 1069 1070 /* 1071 * Convert howto bits to BSD format. 1072 */ 1073 sun_howto = SCARG(uap, howto); 1074 bsd_howto = 0; 1075 convp = sunos_howto_conv; 1076 while (convp->sun_howto) { 1077 if (sun_howto & convp->sun_howto) 1078 bsd_howto |= convp->bsd_howto; 1079 convp++; 1080 } 1081 1082 /* 1083 * Sun RB_STRING (Get user supplied bootstring.) 1084 * If the machine supports passing a string to the 1085 * next booted kernel. 1086 */ 1087 if (sun_howto & SUNOS_RB_STRING) { 1088 char bs[128]; 1089 1090 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1091 1092 if (error) 1093 bootstr = NULL; 1094 else 1095 bootstr = bs; 1096 } else 1097 bootstr = NULL; 1098 1099 SCARG(&ua, opt) = bsd_howto; 1100 SCARG(&ua, bootstr) = bootstr; 1101 sys_reboot(l, &ua, retval); 1102 return(0); 1103 } 1104 1105 /* 1106 * Generalized interface signal handler, 4.3-compatible. 1107 */ 1108 /* ARGSUSED */ 1109 int 1110 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1111 { 1112 /* { 1113 syscallarg(int) signum; 1114 syscallarg(struct sigvec *) nsv; 1115 syscallarg(struct sigvec *) osv; 1116 } */ 1117 struct sigvec nsv, osv; 1118 struct sigaction nsa, osa; 1119 int error; 1120 /*XXX*/extern void compat_43_sigvec_to_sigaction 1121 (const struct sigvec *, struct sigaction *); 1122 /*XXX*/extern void compat_43_sigaction_to_sigvec 1123 (const struct sigaction *, struct sigvec *); 1124 1125 if (SCARG(uap, nsv)) { 1126 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1127 if (error != 0) 1128 return (error); 1129 1130 /* 1131 * SunOS uses the mask 0x0004 as SV_RESETHAND 1132 * meaning: `reset to SIG_DFL on delivery'. 1133 * We support only the bits in: 0xF 1134 * (those bits are the same as ours) 1135 */ 1136 if (nsv.sv_flags & ~0xF) 1137 return (EINVAL); 1138 1139 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1140 } 1141 error = sigaction1(l, SCARG(uap, signum), 1142 SCARG(uap, nsv) ? &nsa : 0, 1143 SCARG(uap, osv) ? &osa : 0, 1144 NULL, 0); 1145 if (error != 0) 1146 return (error); 1147 1148 if (SCARG(uap, osv)) { 1149 compat_43_sigaction_to_sigvec(&osa, &osv); 1150 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1151 if (error != 0) 1152 return (error); 1153 } 1154 1155 return (0); 1156 }
Cache object: 12c944655769b5f338e1334c912f1b29
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