sunos_misc.c revision 1.149
1 /* $NetBSD: sunos_misc.c,v 1.149 2007/05/12 20:27:56 dsl 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 1.149 2007/05/12 20:27:56 dsl 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> 102 103 #include <netinet/in.h> 104 105 #include <miscfs/specfs/specdev.h> 106 107 #include <nfs/rpcv2.h> 108 #include <nfs/nfsproto.h> 109 #include <nfs/nfs.h> 110 #include <nfs/nfsmount.h> 111 112 static int sunstatfs __P((struct statvfs *, void *)); 113 114 int 115 sunos_sys_stime(l, v, retval) 116 struct lwp *l; 117 void *v; 118 register_t *retval; 119 { 120 struct sunos_sys_stime_args *uap = v; 121 struct timeval tv; 122 int error; 123 124 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 125 if (error) 126 return error; 127 tv.tv_usec = 0; 128 129 return settimeofday1(&tv, false, NULL, l, true); 130 } 131 132 int 133 sunos_sys_wait4(l, v, retval) 134 struct lwp *l; 135 void *v; 136 register_t *retval; 137 { 138 struct sunos_sys_wait4_args *uap = v; 139 if (SCARG(uap, pid) == 0) 140 SCARG(uap, pid) = WAIT_ANY; 141 return (sys_wait4(l, uap, retval)); 142 } 143 144 int 145 sunos_sys_creat(l, v, retval) 146 struct lwp *l; 147 void *v; 148 register_t *retval; 149 { 150 struct sunos_sys_creat_args *uap = v; 151 struct sys_open_args ouap; 152 153 SCARG(&ouap, path) = SCARG(uap, path); 154 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 155 SCARG(&ouap, mode) = SCARG(uap, mode); 156 157 return (sys_open(l, &ouap, retval)); 158 } 159 160 int 161 sunos_sys_access(l, v, retval) 162 struct lwp *l; 163 void *v; 164 register_t *retval; 165 { 166 struct sunos_sys_lstat_args *uap = v; 167 168 return (sys_access(l, uap, retval)); 169 } 170 171 int 172 sunos_sys_stat(l, v, retval) 173 struct lwp *l; 174 void *v; 175 register_t *retval; 176 { 177 struct sunos_sys_lstat_args *uap = v; 178 179 return (compat_43_sys_stat(l, uap, retval)); 180 } 181 182 int 183 sunos_sys_lstat(l, v, retval) 184 struct lwp *l; 185 void *v; 186 register_t *retval; 187 { 188 struct sunos_sys_lstat_args *uap = v; 189 190 return (compat_43_sys_lstat(l, uap, retval)); 191 } 192 193 int 194 sunos_sys_execv(l, v, retval) 195 struct lwp *l; 196 void *v; 197 register_t *retval; 198 { 199 struct sunos_sys_execv_args /* { 200 syscallarg(const char *) path; 201 syscallarg(char **) argv; 202 } */ *uap = v; 203 struct sys_execve_args ap; 204 205 SCARG(&ap, path) = SCARG(uap, path); 206 SCARG(&ap, argp) = SCARG(uap, argp); 207 SCARG(&ap, envp) = NULL; 208 209 return (sys_execve(l, &ap, retval)); 210 } 211 212 int 213 sunos_sys_execve(l, v, retval) 214 struct lwp *l; 215 void *v; 216 register_t *retval; 217 { 218 struct sunos_sys_execve_args /* { 219 syscallarg(const char *) path; 220 syscallarg(char **) argv; 221 syscallarg(char **) envp; 222 } */ *uap = v; 223 struct sys_execve_args ap; 224 225 SCARG(&ap, path) = SCARG(uap, path); 226 SCARG(&ap, argp) = SCARG(uap, argp); 227 SCARG(&ap, envp) = SCARG(uap, envp); 228 229 return (sys_execve(l, &ap, retval)); 230 } 231 232 int 233 sunos_sys_omsync(l, v, retval) 234 struct lwp *l; 235 void *v; 236 register_t *retval; 237 { 238 struct sunos_sys_omsync_args *uap = v; 239 struct sys___msync13_args ouap; 240 241 SCARG(&ouap, addr) = SCARG(uap, addr); 242 SCARG(&ouap, len) = SCARG(uap, len); 243 SCARG(&ouap, flags) = SCARG(uap, flags); 244 245 return (sys___msync13(l, &ouap, retval)); 246 } 247 248 int 249 sunos_sys_unmount(l, v, retval) 250 struct lwp *l; 251 void *v; 252 register_t *retval; 253 { 254 struct sunos_sys_unmount_args *uap = v; 255 struct sys_unmount_args ouap; 256 257 SCARG(&ouap, path) = SCARG(uap, path); 258 SCARG(&ouap, flags) = 0; 259 260 return (sys_unmount(l, &ouap, retval)); 261 } 262 263 /* 264 * Conversion table for SunOS NFS mount flags. 265 */ 266 static struct { 267 int sun_flg; 268 int bsd_flg; 269 } sunnfs_flgtab[] = { 270 { SUNNFS_SOFT, NFSMNT_SOFT }, 271 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 272 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 273 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 274 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 275 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 276 { SUNNFS_INT, NFSMNT_INT }, 277 { SUNNFS_NOAC, 0 }, /* Ignored */ 278 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 279 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 280 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 281 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 282 { SUNNFS_SECURE, 0 }, /* Ignored */ 283 { SUNNFS_NOCTO, 0 }, /* Ignored */ 284 { SUNNFS_POSIX, 0 } /* Ignored */ 285 }; 286 287 int 288 sunos_sys_mount(l, v, retval) 289 struct lwp *l; 290 void *v; 291 register_t *retval; 292 { 293 struct sunos_sys_mount_args *uap = v; 294 struct proc *p = l->l_proc; 295 int oflags = SCARG(uap, flags), nflags, error; 296 char fsname[MFSNAMELEN]; 297 void *sg = stackgap_init(p, 0); 298 299 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 300 return (EINVAL); 301 if ((oflags & SUNM_NEWTYPE) == 0) 302 return (EINVAL); 303 nflags = 0; 304 if (oflags & SUNM_RDONLY) 305 nflags |= MNT_RDONLY; 306 if (oflags & SUNM_NOSUID) 307 nflags |= MNT_NOSUID; 308 if (oflags & SUNM_REMOUNT) 309 nflags |= MNT_UPDATE; 310 SCARG(uap, flags) = nflags; 311 312 error = copyinstr((void *)SCARG(uap, type), fsname, 313 sizeof fsname, (size_t *)0); 314 if (error) 315 return (error); 316 317 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 318 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 319 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 320 if (error) 321 return (error); 322 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 323 struct sunos_nfs_args sna; 324 struct sockaddr_in sain; 325 struct nfs_args na; 326 struct sockaddr sa; 327 int n; 328 329 error = copyin(SCARG(uap, data), &sna, sizeof sna); 330 if (error) 331 return (error); 332 error = copyin(sna.addr, &sain, sizeof sain); 333 if (error) 334 return (error); 335 memcpy(&sa, &sain, sizeof sa); 336 sa.sa_len = sizeof(sain); 337 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 338 na.version = NFS_ARGSVERSION; 339 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 340 na.addrlen = sizeof(struct sockaddr); 341 na.sotype = SOCK_DGRAM; 342 na.proto = IPPROTO_UDP; 343 na.fh = (void *)sna.fh; 344 na.fhsize = NFSX_V2FH; 345 na.flags = 0; 346 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 347 while (--n >= 0) 348 if (sna.flags & sunnfs_flgtab[n].sun_flg) 349 na.flags |= sunnfs_flgtab[n].bsd_flg; 350 na.wsize = sna.wsize; 351 na.rsize = sna.rsize; 352 if (na.flags & NFSMNT_RSIZE) { 353 na.flags |= NFSMNT_READDIRSIZE; 354 na.readdirsize = na.rsize; 355 } 356 na.timeo = sna.timeo; 357 na.retrans = sna.retrans; 358 na.hostname = (char *)(u_long)sna.hostname; 359 360 error = copyout(&sa, na.addr, sizeof sa); 361 if (error) 362 return (error); 363 error = copyout(&na, SCARG(uap, data), sizeof na); 364 if (error) 365 return (error); 366 } 367 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 368 } 369 370 #if defined(NFS) 371 int 372 async_daemon(l, v, retval) 373 struct lwp *l; 374 void *v; 375 register_t *retval; 376 { 377 struct sys_nfssvc_args ouap; 378 379 SCARG(&ouap, flag) = NFSSVC_BIOD; 380 SCARG(&ouap, argp) = NULL; 381 382 return (sys_nfssvc(l, &ouap, retval)); 383 } 384 #endif /* NFS */ 385 386 void native_to_sunos_sigset __P((const sigset_t *, int *)); 387 void sunos_to_native_sigset __P((const int, sigset_t *)); 388 389 inline void 390 native_to_sunos_sigset(ss, mask) 391 const sigset_t *ss; 392 int *mask; 393 { 394 *mask = ss->__bits[0]; 395 } 396 397 inline void 398 sunos_to_native_sigset(mask, ss) 399 const int mask; 400 sigset_t *ss; 401 { 402 403 ss->__bits[0] = mask; 404 ss->__bits[1] = 0; 405 ss->__bits[2] = 0; 406 ss->__bits[3] = 0; 407 } 408 409 int 410 sunos_sys_sigpending(l, v, retval) 411 struct lwp *l; 412 void *v; 413 register_t *retval; 414 { 415 struct sunos_sys_sigpending_args *uap = v; 416 sigset_t ss; 417 int mask; 418 419 sigpending1(l, &ss); 420 native_to_sunos_sigset(&ss, &mask); 421 422 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 423 } 424 425 int 426 sunos_sys_sigsuspend(l, v, retval) 427 struct lwp *l; 428 void *v; 429 register_t *retval; 430 { 431 struct sunos_sys_sigsuspend_args /* { 432 syscallarg(int) mask; 433 } */ *uap = v; 434 int mask; 435 sigset_t ss; 436 437 mask = SCARG(uap, mask); 438 sunos_to_native_sigset(mask, &ss); 439 return (sigsuspend1(l, &ss)); 440 } 441 442 /* 443 * Read Sun-style directory entries. We suck them into kernel space so 444 * that they can be massaged before being copied out to user code. Like 445 * SunOS, we squish out `empty' entries. 446 * 447 * This is quite ugly, but what do you expect from compatibility code? 448 */ 449 int 450 sunos_sys_getdents(l, v, retval) 451 struct lwp *l; 452 void *v; 453 register_t *retval; 454 { 455 struct sunos_sys_getdents_args *uap = v; 456 struct proc *p = l->l_proc; 457 struct dirent *bdp; 458 struct vnode *vp; 459 char *inp, *buf; /* BSD-format */ 460 int len, reclen; /* BSD-format */ 461 char *outp; /* Sun-format */ 462 int resid, sunos_reclen;/* Sun-format */ 463 struct file *fp; 464 struct uio auio; 465 struct iovec aiov; 466 struct sunos_dirent idb; 467 off_t off; /* true file offset */ 468 int buflen, error, eofflag; 469 off_t *cookiebuf, *cookie; 470 int ncookies; 471 472 /* getvnode() will use the descriptor for us */ 473 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 474 return (error); 475 476 if ((fp->f_flag & FREAD) == 0) { 477 error = EBADF; 478 goto out1; 479 } 480 481 vp = (struct vnode *)fp->f_data; 482 if (vp->v_type != VDIR) { 483 error = EINVAL; 484 goto out1; 485 } 486 487 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 488 buf = malloc(buflen, M_TEMP, M_WAITOK); 489 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 490 off = fp->f_offset; 491 again: 492 aiov.iov_base = buf; 493 aiov.iov_len = buflen; 494 auio.uio_iov = &aiov; 495 auio.uio_iovcnt = 1; 496 auio.uio_rw = UIO_READ; 497 auio.uio_resid = buflen; 498 auio.uio_offset = off; 499 UIO_SETUP_SYSSPACE(&auio); 500 /* 501 * First we read into the malloc'ed buffer, then 502 * we massage it into user space, one record at a time. 503 */ 504 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 505 &ncookies); 506 if (error) 507 goto out; 508 509 inp = buf; 510 outp = SCARG(uap, buf); 511 resid = SCARG(uap, nbytes); 512 if ((len = buflen - auio.uio_resid) == 0) 513 goto eof; 514 515 for (cookie = cookiebuf; len > 0; len -= reclen) { 516 bdp = (struct dirent *)inp; 517 reclen = bdp->d_reclen; 518 if (reclen & 3) 519 panic("sunos_getdents"); 520 if ((*cookie >> 32) != 0) { 521 compat_offseterr(vp, "sunos_getdents"); 522 error = EINVAL; 523 goto out; 524 } 525 if (bdp->d_fileno == 0) { 526 inp += reclen; /* it is a hole; squish it out */ 527 if (cookie) 528 off = *cookie++; 529 else 530 off += reclen; 531 continue; 532 } 533 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 534 if (reclen > len || resid < sunos_reclen) { 535 /* entry too big for buffer, so just stop */ 536 outp++; 537 break; 538 } 539 if (cookie) 540 off = *cookie++; /* each entry points to next */ 541 else 542 off += reclen; 543 /* 544 * Massage in place to make a Sun-shaped dirent (otherwise 545 * we have to worry about touching user memory outside of 546 * the copyout() call). 547 */ 548 idb.d_fileno = bdp->d_fileno; 549 idb.d_off = off; 550 idb.d_reclen = sunos_reclen; 551 idb.d_namlen = bdp->d_namlen; 552 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 553 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 554 goto out; 555 /* advance past this real entry */ 556 inp += reclen; 557 /* advance output past Sun-shaped entry */ 558 outp += sunos_reclen; 559 resid -= sunos_reclen; 560 } 561 562 /* if we squished out the whole block, try again */ 563 if (outp == SCARG(uap, buf)) 564 goto again; 565 fp->f_offset = off; /* update the vnode offset */ 566 567 eof: 568 *retval = SCARG(uap, nbytes) - resid; 569 out: 570 VOP_UNLOCK(vp, 0); 571 free(cookiebuf, M_TEMP); 572 free(buf, M_TEMP); 573 out1: 574 FILE_UNUSE(fp, l); 575 return (error); 576 } 577 578 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 579 580 int 581 sunos_sys_mmap(l, v, retval) 582 struct lwp *l; 583 void *v; 584 register_t *retval; 585 { 586 struct sunos_sys_mmap_args *uap = v; 587 struct sys_mmap_args ouap; 588 589 /* 590 * Verify the arguments. 591 */ 592 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 593 return (EINVAL); /* XXX still needed? */ 594 595 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 596 return (EINVAL); 597 598 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 599 SCARG(&ouap, addr) = SCARG(uap, addr); 600 SCARG(&ouap, len) = SCARG(uap, len); 601 SCARG(&ouap, prot) = SCARG(uap, prot); 602 SCARG(&ouap, fd) = SCARG(uap, fd); 603 SCARG(&ouap, pos) = SCARG(uap, pos); 604 605 return (sys_mmap(l, &ouap, retval)); 606 } 607 608 #define MC_SYNC 1 609 #define MC_LOCK 2 610 #define MC_UNLOCK 3 611 #define MC_ADVISE 4 612 #define MC_LOCKAS 5 613 #define MC_UNLOCKAS 6 614 615 int 616 sunos_sys_mctl(l, v, retval) 617 struct lwp *l; 618 void *v; 619 register_t *retval; 620 { 621 struct sunos_sys_mctl_args *uap = v; 622 623 switch (SCARG(uap, func)) { 624 case MC_ADVISE: /* ignore for now */ 625 return (0); 626 case MC_SYNC: /* translate to msync */ 627 return (sys___msync13(l, uap, retval)); 628 default: 629 return (EINVAL); 630 } 631 } 632 633 int 634 sunos_sys_setsockopt(l, v, retval) 635 struct lwp *l; 636 void *v; 637 register_t *retval; 638 { 639 struct sunos_sys_setsockopt_args *uap = v; 640 struct proc *p = l->l_proc; 641 struct file *fp; 642 struct mbuf *m = NULL; 643 int error; 644 645 /* getsock() will use the descriptor for us */ 646 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 647 return (error); 648 #define SO_DONTLINGER (~SO_LINGER) 649 if (SCARG(uap, name) == SO_DONTLINGER) { 650 m = m_get(M_WAIT, MT_SOOPTS); 651 mtod(m, struct linger *)->l_onoff = 0; 652 m->m_len = sizeof(struct linger); 653 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 654 SO_LINGER, m); 655 goto out; 656 } 657 if (SCARG(uap, level) == IPPROTO_IP) { 658 #define SUNOS_IP_MULTICAST_IF 2 659 #define SUNOS_IP_MULTICAST_TTL 3 660 #define SUNOS_IP_MULTICAST_LOOP 4 661 #define SUNOS_IP_ADD_MEMBERSHIP 5 662 #define SUNOS_IP_DROP_MEMBERSHIP 6 663 static const int ipoptxlat[] = { 664 IP_MULTICAST_IF, 665 IP_MULTICAST_TTL, 666 IP_MULTICAST_LOOP, 667 IP_ADD_MEMBERSHIP, 668 IP_DROP_MEMBERSHIP 669 }; 670 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 671 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 672 SCARG(uap, name) = 673 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 674 } 675 } 676 if (SCARG(uap, valsize) > MLEN) { 677 error = EINVAL; 678 goto out; 679 } 680 if (SCARG(uap, val)) { 681 m = m_get(M_WAIT, MT_SOOPTS); 682 error = copyin(SCARG(uap, val), mtod(m, void *), 683 (u_int)SCARG(uap, valsize)); 684 if (error) { 685 (void) m_free(m); 686 goto out; 687 } 688 m->m_len = SCARG(uap, valsize); 689 } 690 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 691 SCARG(uap, name), m); 692 out: 693 FILE_UNUSE(fp, l); 694 return (error); 695 } 696 697 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 698 int type); 699 static inline int 700 sunos_sys_socket_common(l, retval, type) 701 struct lwp *l; 702 register_t *retval; 703 int type; 704 { 705 struct socket *so; 706 struct file *fp; 707 int error, fd; 708 709 /* getsock() will use the descriptor for us */ 710 fd = (int)*retval; 711 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 712 so = (struct socket *)fp->f_data; 713 if (type == SOCK_DGRAM) 714 so->so_options |= SO_BROADCAST; 715 } 716 FILE_UNUSE(fp, l); 717 return (error); 718 } 719 720 int 721 sunos_sys_socket(l, v, retval) 722 struct lwp *l; 723 void *v; 724 register_t *retval; 725 { 726 struct sunos_sys_socket_args /* { 727 syscallarg(int) domain; 728 syscallarg(int) type; 729 syscallarg(int) protocol; 730 } */ *uap = v; 731 int error; 732 733 error = compat_30_sys_socket(l, v, retval); 734 if (error) 735 return (error); 736 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 737 } 738 739 int 740 sunos_sys_socketpair(l, v, retval) 741 struct lwp *l; 742 void *v; 743 register_t *retval; 744 { 745 struct sunos_sys_socketpair_args /* { 746 syscallarg(int) domain; 747 syscallarg(int) type; 748 syscallarg(int) protocol; 749 syscallarg(int *) rsv; 750 } */ *uap = v; 751 int error; 752 753 error = sys_socketpair(l, v, retval); 754 if (error) 755 return (error); 756 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 757 } 758 759 /* 760 * XXX: This needs cleaning up. 761 */ 762 int 763 sunos_sys_auditsys(l, v, retval) 764 struct lwp *l; 765 void *v; 766 register_t *retval; 767 { 768 return 0; 769 } 770 771 int 772 sunos_sys_uname(l, v, retval) 773 struct lwp *l; 774 void *v; 775 register_t *retval; 776 { 777 struct sunos_sys_uname_args *uap = v; 778 struct sunos_utsname sut; 779 780 memset(&sut, 0, sizeof(sut)); 781 782 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 783 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 784 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 785 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 786 memcpy(sut.version, "1", sizeof(sut.version) - 1); 787 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 788 789 return copyout((void *)&sut, (void *)SCARG(uap, name), 790 sizeof(struct sunos_utsname)); 791 } 792 793 int 794 sunos_sys_setpgrp(l, v, retval) 795 struct lwp *l; 796 void *v; 797 register_t *retval; 798 { 799 struct sunos_sys_setpgrp_args *uap = v; 800 struct proc *p = l->l_proc; 801 802 /* 803 * difference to our setpgid call is to include backwards 804 * compatibility to pre-setsid() binaries. Do setsid() 805 * instead of setpgid() in those cases where the process 806 * tries to create a new session the old way. 807 */ 808 if (!SCARG(uap, pgid) && 809 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 810 return sys_setsid(l, uap, retval); 811 else 812 return sys_setpgid(l, uap, retval); 813 } 814 815 int 816 sunos_sys_open(l, v, retval) 817 struct lwp *l; 818 void *v; 819 register_t *retval; 820 { 821 struct sunos_sys_open_args *uap = v; 822 struct proc *p = l->l_proc; 823 int smode, nmode; 824 int noctty; 825 int ret; 826 827 /* convert mode into NetBSD mode */ 828 smode = SCARG(uap, flags); 829 noctty = smode & 0x8000; 830 nmode = smode & 831 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 832 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 833 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 834 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 835 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 836 837 SCARG(uap, flags) = nmode; 838 ret = sys_open(l, (struct sys_open_args *)uap, retval); 839 840 /* XXXSMP */ 841 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 842 struct filedesc *fdp = p->p_fd; 843 struct file *fp; 844 845 fp = fd_getfile(fdp, *retval); 846 simple_unlock(&fp->f_slock); 847 848 /* ignore any error, just give it a try */ 849 if (fp != NULL && fp->f_type == DTYPE_VNODE) 850 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (void *)0, l); 851 } 852 return ret; 853 } 854 855 #if defined (NFSSERVER) 856 int 857 sunos_sys_nfssvc(l, v, retval) 858 struct lwp *l; 859 void *v; 860 register_t *retval; 861 { 862 #if 0 863 struct sunos_sys_nfssvc_args *uap = v; 864 struct proc *p = l->l_proc; 865 struct emul *e = p->p_emul; 866 struct sys_nfssvc_args outuap; 867 struct sockaddr sa; 868 int error; 869 void *sg = stackgap_init(p, 0); 870 871 memset(&outuap, 0, sizeof outuap); 872 SCARG(&outuap, fd) = SCARG(uap, fd); 873 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 874 SCARG(&outuap, msklen) = sizeof(sa); 875 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 876 SCARG(&outuap, mtchlen) = sizeof(sa); 877 878 memset(&sa, 0, sizeof sa); 879 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 880 return (error); 881 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 882 return (error); 883 884 return nfssvc(l, &outuap, retval); 885 #else 886 return (ENOSYS); 887 #endif 888 } 889 #endif /* NFSSERVER */ 890 891 int 892 sunos_sys_ustat(l, v, retval) 893 struct lwp *l; 894 void *v; 895 register_t *retval; 896 { 897 struct sunos_sys_ustat_args *uap = v; 898 struct sunos_ustat us; 899 int error; 900 901 memset(&us, 0, sizeof us); 902 903 /* 904 * XXX: should set f_tfree and f_tinode at least 905 * How do we translate dev -> fstat? (and then to sunos_ustat) 906 */ 907 908 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 909 return (error); 910 return 0; 911 } 912 913 int 914 sunos_sys_quotactl(l, v, retval) 915 struct lwp *l; 916 void *v; 917 register_t *retval; 918 { 919 920 return EINVAL; 921 } 922 923 int 924 sunos_sys_vhangup(l, v, retval) 925 struct lwp *l; 926 void *v; 927 register_t *retval; 928 { 929 struct proc *p = l->l_proc; 930 struct session *sp = p->p_session; 931 932 if (sp->s_ttyvp == 0) 933 return 0; 934 935 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 936 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 937 938 (void) ttywait(sp->s_ttyp); 939 if (sp->s_ttyvp) 940 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 941 if (sp->s_ttyvp) 942 vrele(sp->s_ttyvp); 943 sp->s_ttyvp = NULL; 944 945 return 0; 946 } 947 948 static int 949 sunstatfs(sp, buf) 950 struct statvfs *sp; 951 void *buf; 952 { 953 struct sunos_statfs ssfs; 954 955 memset(&ssfs, 0, sizeof ssfs); 956 ssfs.f_type = 0; 957 ssfs.f_bsize = sp->f_bsize; 958 ssfs.f_blocks = sp->f_blocks; 959 ssfs.f_bfree = sp->f_bfree; 960 ssfs.f_bavail = sp->f_bavail; 961 ssfs.f_files = sp->f_files; 962 ssfs.f_ffree = sp->f_ffree; 963 ssfs.f_fsid = sp->f_fsidx; 964 return copyout((void *)&ssfs, buf, sizeof ssfs); 965 } 966 967 int 968 sunos_sys_statfs(l, v, retval) 969 struct lwp *l; 970 void *v; 971 register_t *retval; 972 { 973 struct sunos_sys_statfs_args *uap = v; 974 struct mount *mp; 975 struct statvfs *sp; 976 int error; 977 struct nameidata nd; 978 979 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, SCARG(uap, path), l); 980 if ((error = namei(&nd)) != 0) 981 return (error); 982 mp = nd.ni_vp->v_mount; 983 sp = &mp->mnt_stat; 984 vrele(nd.ni_vp); 985 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 986 return (error); 987 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 988 return sunstatfs(sp, (void *)SCARG(uap, buf)); 989 } 990 991 int 992 sunos_sys_fstatfs(l, v, retval) 993 struct lwp *l; 994 void *v; 995 register_t *retval; 996 { 997 struct sunos_sys_fstatfs_args *uap = v; 998 struct proc *p = l->l_proc; 999 struct file *fp; 1000 struct mount *mp; 1001 struct statvfs *sp; 1002 int error; 1003 1004 /* getvnode() will use the descriptor for us */ 1005 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1006 return (error); 1007 mp = ((struct vnode *)fp->f_data)->v_mount; 1008 sp = &mp->mnt_stat; 1009 if ((error = VFS_STATVFS(mp, sp, l)) != 0) 1010 goto out; 1011 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1012 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 1013 out: 1014 FILE_UNUSE(fp, l); 1015 return (error); 1016 } 1017 1018 int 1019 sunos_sys_exportfs(l, v, retval) 1020 struct lwp *l; 1021 void *v; 1022 register_t *retval; 1023 { 1024 /* 1025 * XXX: should perhaps translate into a mount(2) 1026 * with MOUNT_EXPORT? 1027 */ 1028 return 0; 1029 } 1030 1031 int 1032 sunos_sys_mknod(l, v, retval) 1033 struct lwp *l; 1034 void *v; 1035 register_t *retval; 1036 { 1037 struct sunos_sys_mknod_args *uap = v; 1038 1039 if (S_ISFIFO(SCARG(uap, mode))) 1040 return sys_mkfifo(l, uap, retval); 1041 1042 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1043 } 1044 1045 #define SUNOS_SC_ARG_MAX 1 1046 #define SUNOS_SC_CHILD_MAX 2 1047 #define SUNOS_SC_CLK_TCK 3 1048 #define SUNOS_SC_NGROUPS_MAX 4 1049 #define SUNOS_SC_OPEN_MAX 5 1050 #define SUNOS_SC_JOB_CONTROL 6 1051 #define SUNOS_SC_SAVED_IDS 7 1052 #define SUNOS_SC_VERSION 8 1053 1054 int 1055 sunos_sys_sysconf(l, v, retval) 1056 struct lwp *l; 1057 void *v; 1058 register_t *retval; 1059 { 1060 struct sunos_sys_sysconf_args *uap = v; 1061 extern int maxfiles; 1062 1063 switch(SCARG(uap, name)) { 1064 case SUNOS_SC_ARG_MAX: 1065 *retval = ARG_MAX; 1066 break; 1067 case SUNOS_SC_CHILD_MAX: 1068 *retval = maxproc; 1069 break; 1070 case SUNOS_SC_CLK_TCK: 1071 *retval = 60; /* should this be `hz', ie. 100? */ 1072 break; 1073 case SUNOS_SC_NGROUPS_MAX: 1074 *retval = NGROUPS_MAX; 1075 break; 1076 case SUNOS_SC_OPEN_MAX: 1077 *retval = maxfiles; 1078 break; 1079 case SUNOS_SC_JOB_CONTROL: 1080 *retval = 1; 1081 break; 1082 case SUNOS_SC_SAVED_IDS: 1083 #ifdef _POSIX_SAVED_IDS 1084 *retval = 1; 1085 #else 1086 *retval = 0; 1087 #endif 1088 break; 1089 case SUNOS_SC_VERSION: 1090 *retval = 198808; 1091 break; 1092 default: 1093 return EINVAL; 1094 } 1095 return 0; 1096 } 1097 1098 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1099 #define SUNOS_RLIM_NLIMITS 7 1100 1101 int 1102 sunos_sys_getrlimit(l, v, retval) 1103 struct lwp *l; 1104 void *v; 1105 register_t *retval; 1106 { 1107 struct sunos_sys_getrlimit_args *uap = v; 1108 1109 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1110 return EINVAL; 1111 1112 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1113 SCARG(uap, which) = RLIMIT_NOFILE; 1114 1115 return compat_43_sys_getrlimit(l, uap, retval); 1116 } 1117 1118 int 1119 sunos_sys_setrlimit(l, v, retval) 1120 struct lwp *l; 1121 void *v; 1122 register_t *retval; 1123 { 1124 struct sunos_sys_getrlimit_args *uap = v; 1125 1126 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1127 return EINVAL; 1128 1129 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1130 SCARG(uap, which) = RLIMIT_NOFILE; 1131 1132 return compat_43_sys_setrlimit(l, uap, retval); 1133 } 1134 1135 #if defined(PTRACE) || defined(_LKM) 1136 /* for the m68k machines */ 1137 #ifndef PT_GETFPREGS 1138 #define PT_GETFPREGS -1 1139 #endif 1140 #ifndef PT_SETFPREGS 1141 #define PT_SETFPREGS -1 1142 #endif 1143 1144 static const int sreq2breq[] = { 1145 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1146 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1147 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1148 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1149 }; 1150 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1151 #endif /* PTRACE || _LKM */ 1152 1153 int 1154 sunos_sys_ptrace(l, v, retval) 1155 struct lwp *l; 1156 void *v; 1157 register_t *retval; 1158 { 1159 #if defined(PTRACE) || defined(_LKM) 1160 struct sunos_sys_ptrace_args *uap = v; 1161 struct sys_ptrace_args pa; 1162 int req; 1163 1164 #ifdef _LKM 1165 #define sys_ptrace sysent[SYS_ptrace].sy_call 1166 if (sys_ptrace == sys_nosys) 1167 return ENOSYS; 1168 #endif 1169 1170 req = SCARG(uap, req); 1171 1172 if (req < 0 || req >= nreqs) 1173 return (EINVAL); 1174 1175 req = sreq2breq[req]; 1176 if (req == -1) 1177 return (EINVAL); 1178 1179 SCARG(&pa, req) = req; 1180 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1181 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1182 SCARG(&pa, data) = SCARG(uap, data); 1183 1184 return sys_ptrace(l, &pa, retval); 1185 #else 1186 return ENOSYS; 1187 #endif /* PTRACE || _LKM */ 1188 } 1189 1190 /* 1191 * SunOS reboot system call (for compatibility). 1192 * Sun lets you pass in a boot string which the PROM 1193 * saves and provides to the next boot program. 1194 */ 1195 1196 #define SUNOS_RB_ASKNAME 0x001 1197 #define SUNOS_RB_SINGLE 0x002 1198 #define SUNOS_RB_NOSYNC 0x004 1199 #define SUNOS_RB_HALT 0x008 1200 #define SUNOS_RB_DUMP 0x080 1201 #define SUNOS_RB_STRING 0x200 1202 1203 static struct sunos_howto_conv { 1204 int sun_howto; 1205 int bsd_howto; 1206 } sunos_howto_conv[] = { 1207 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1208 { SUNOS_RB_SINGLE, RB_SINGLE }, 1209 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1210 { SUNOS_RB_HALT, RB_HALT }, 1211 { SUNOS_RB_DUMP, RB_DUMP }, 1212 { SUNOS_RB_STRING, RB_STRING }, 1213 { 0x000, 0 }, 1214 }; 1215 1216 int 1217 sunos_sys_reboot(l, v, retval) 1218 struct lwp *l; 1219 void *v; 1220 register_t *retval; 1221 { 1222 struct sunos_sys_reboot_args *uap = v; 1223 struct sys_reboot_args ua; 1224 struct sunos_howto_conv *convp; 1225 int error, bsd_howto, sun_howto; 1226 char *bootstr; 1227 1228 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1229 0, NULL, NULL, NULL)) != 0) 1230 return (error); 1231 1232 /* 1233 * Convert howto bits to BSD format. 1234 */ 1235 sun_howto = SCARG(uap, howto); 1236 bsd_howto = 0; 1237 convp = sunos_howto_conv; 1238 while (convp->sun_howto) { 1239 if (sun_howto & convp->sun_howto) 1240 bsd_howto |= convp->bsd_howto; 1241 convp++; 1242 } 1243 1244 /* 1245 * Sun RB_STRING (Get user supplied bootstring.) 1246 * If the machine supports passing a string to the 1247 * next booted kernel. 1248 */ 1249 if (sun_howto & SUNOS_RB_STRING) { 1250 char bs[128]; 1251 1252 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1253 1254 if (error) 1255 bootstr = NULL; 1256 else 1257 bootstr = bs; 1258 } else 1259 bootstr = NULL; 1260 1261 SCARG(&ua, opt) = bsd_howto; 1262 SCARG(&ua, bootstr) = bootstr; 1263 sys_reboot(l, &ua, retval); 1264 return(0); 1265 } 1266 1267 /* 1268 * Generalized interface signal handler, 4.3-compatible. 1269 */ 1270 /* ARGSUSED */ 1271 int 1272 sunos_sys_sigvec(l, v, retval) 1273 struct lwp *l; 1274 void *v; 1275 register_t *retval; 1276 { 1277 struct sunos_sys_sigvec_args /* { 1278 syscallarg(int) signum; 1279 syscallarg(struct sigvec *) nsv; 1280 syscallarg(struct sigvec *) osv; 1281 } */ *uap = v; 1282 struct sigvec nsv, osv; 1283 struct sigaction nsa, osa; 1284 int error; 1285 /*XXX*/extern void compat_43_sigvec_to_sigaction 1286 __P((const struct sigvec *, struct sigaction *)); 1287 /*XXX*/extern void compat_43_sigaction_to_sigvec 1288 __P((const struct sigaction *, struct sigvec *)); 1289 1290 if (SCARG(uap, nsv)) { 1291 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1292 if (error != 0) 1293 return (error); 1294 1295 /* 1296 * SunOS uses the mask 0x0004 as SV_RESETHAND 1297 * meaning: `reset to SIG_DFL on delivery'. 1298 * We support only the bits in: 0xF 1299 * (those bits are the same as ours) 1300 */ 1301 if (nsv.sv_flags & ~0xF) 1302 return (EINVAL); 1303 1304 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1305 } 1306 error = sigaction1(l, SCARG(uap, signum), 1307 SCARG(uap, nsv) ? &nsa : 0, 1308 SCARG(uap, osv) ? &osa : 0, 1309 NULL, 0); 1310 if (error != 0) 1311 return (error); 1312 1313 if (SCARG(uap, osv)) { 1314 compat_43_sigaction_to_sigvec(&osa, &osv); 1315 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1316 if (error != 0) 1317 return (error); 1318 } 1319 1320 return (0); 1321 } 1322
Indexes created Tue Oct 14 11:09:46 GMT 2025