1 /* $NetBSD: sunos_misc.c,v 1.119 2003/01/29 07:00:37 atatat 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. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 45 * 46 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 47 */ 48 49 /* 50 * SunOS compatibility module. 51 * 52 * SunOS system calls that are implemented differently in BSD are 53 * handled here. 54 */ 55 56 #include <sys/cdefs.h> 57 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.119 2003/01/29 07:00:37 atatat Exp $"); 58 59 #if defined(_KERNEL_OPT) 60 #include "opt_nfsserver.h" 61 #include "fs_nfs.h" 62 #endif 63 64 #include <sys/param.h> 65 #include <sys/systm.h> 66 #include <sys/namei.h> 67 #include <sys/proc.h> 68 #include <sys/dirent.h> 69 #include <sys/file.h> 70 #include <sys/stat.h> 71 #include <sys/filedesc.h> 72 #include <sys/ioctl.h> 73 #include <sys/kernel.h> 74 #include <sys/reboot.h> 75 #include <sys/malloc.h> 76 #include <sys/mbuf.h> 77 #include <sys/mman.h> 78 #include <sys/mount.h> 79 #include <sys/ptrace.h> 80 #include <sys/resource.h> 81 #include <sys/resourcevar.h> 82 #include <sys/signal.h> 83 #include <sys/signalvar.h> 84 #include <sys/socket.h> 85 #include <sys/tty.h> 86 #include <sys/vnode.h> 87 #include <sys/uio.h> 88 #include <sys/wait.h> 89 #include <sys/utsname.h> 90 #include <sys/unistd.h> 91 #include <sys/sa.h> 92 #include <sys/syscallargs.h> 93 #include <sys/conf.h> 94 #include <sys/socketvar.h> 95 #include <sys/exec.h> 96 #include <sys/swap.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 statfs *, caddr_t)); 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 sys_settimeofday_args ap; 122 struct proc *p = l->l_proc; 123 caddr_t sg = stackgap_init(p, 0); 124 struct timeval tv, *sgtvp; 125 int error; 126 127 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 128 if (error) 129 return error; 130 tv.tv_usec = 0; 131 132 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval)); 133 SCARG(&ap, tzp) = NULL; 134 135 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 136 if (error) 137 return error; 138 139 return sys_settimeofday(l, &ap, retval); 140 } 141 142 int 143 sunos_sys_wait4(l, v, retval) 144 struct lwp *l; 145 void *v; 146 register_t *retval; 147 { 148 struct sunos_sys_wait4_args *uap = v; 149 if (SCARG(uap, pid) == 0) 150 SCARG(uap, pid) = WAIT_ANY; 151 return (sys_wait4(l, uap, retval)); 152 } 153 154 int 155 sunos_sys_creat(l, v, retval) 156 struct lwp *l; 157 void *v; 158 register_t *retval; 159 { 160 struct sunos_sys_creat_args *uap = v; 161 struct proc *p = l->l_proc; 162 struct sys_open_args ouap; 163 164 caddr_t sg = stackgap_init(p, 0); 165 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 166 167 SCARG(&ouap, path) = SCARG(uap, path); 168 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 169 SCARG(&ouap, mode) = SCARG(uap, mode); 170 171 return (sys_open(l, &ouap, retval)); 172 } 173 174 int 175 sunos_sys_access(l, v, retval) 176 struct lwp *l; 177 void *v; 178 register_t *retval; 179 { 180 struct sunos_sys_access_args *uap = v; 181 struct proc *p = l->l_proc; 182 caddr_t sg = stackgap_init(p, 0); 183 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 184 185 return (sys_access(l, uap, retval)); 186 } 187 188 int 189 sunos_sys_stat(l, v, retval) 190 struct lwp *l; 191 void *v; 192 register_t *retval; 193 { 194 struct sunos_sys_stat_args *uap = v; 195 struct proc *p = l->l_proc; 196 caddr_t sg = stackgap_init(p, 0); 197 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 198 199 return (compat_43_sys_stat(l, uap, retval)); 200 } 201 202 int 203 sunos_sys_lstat(l, v, retval) 204 struct lwp *l; 205 void *v; 206 register_t *retval; 207 { 208 struct sunos_sys_lstat_args *uap = v; 209 struct proc *p = l->l_proc; 210 caddr_t sg = stackgap_init(p, 0); 211 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 212 213 return (compat_43_sys_lstat(l, uap, retval)); 214 } 215 216 int 217 sunos_sys_execv(l, v, retval) 218 struct lwp *l; 219 void *v; 220 register_t *retval; 221 { 222 struct sunos_sys_execv_args /* { 223 syscallarg(const char *) path; 224 syscallarg(char **) argv; 225 } */ *uap = v; 226 struct proc *p = l->l_proc; 227 struct sys_execve_args ap; 228 caddr_t sg; 229 230 sg = stackgap_init(p, 0); 231 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 232 233 SCARG(&ap, path) = SCARG(uap, path); 234 SCARG(&ap, argp) = SCARG(uap, argp); 235 SCARG(&ap, envp) = NULL; 236 237 return (sys_execve(l, &ap, retval)); 238 } 239 240 int 241 sunos_sys_execve(l, v, retval) 242 struct lwp *l; 243 void *v; 244 register_t *retval; 245 { 246 struct sunos_sys_execve_args /* { 247 syscallarg(const char *) path; 248 syscallarg(char **) argv; 249 syscallarg(char **) envp; 250 } */ *uap = v; 251 struct sys_execve_args ap; 252 struct proc *p = l->l_proc; 253 caddr_t sg; 254 255 sg = stackgap_init(p, 0); 256 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 257 258 SCARG(&ap, path) = SCARG(uap, path); 259 SCARG(&ap, argp) = SCARG(uap, argp); 260 SCARG(&ap, envp) = SCARG(uap, envp); 261 262 return (sys_execve(l, &ap, retval)); 263 } 264 265 int 266 sunos_sys_omsync(l, v, retval) 267 struct lwp *l; 268 void *v; 269 register_t *retval; 270 { 271 struct sunos_sys_omsync_args *uap = v; 272 struct sys___msync13_args ouap; 273 274 SCARG(&ouap, addr) = SCARG(uap, addr); 275 SCARG(&ouap, len) = SCARG(uap, len); 276 SCARG(&ouap, flags) = SCARG(uap, flags); 277 278 return (sys___msync13(l, &ouap, retval)); 279 } 280 281 int 282 sunos_sys_unmount(l, v, retval) 283 struct lwp *l; 284 void *v; 285 register_t *retval; 286 { 287 struct sunos_sys_unmount_args *uap = v; 288 struct sys_unmount_args ouap; 289 290 SCARG(&ouap, path) = SCARG(uap, path); 291 SCARG(&ouap, flags) = 0; 292 293 return (sys_unmount(l, &ouap, retval)); 294 } 295 296 /* 297 * Conversion table for SunOS NFS mount flags. 298 */ 299 static struct { 300 int sun_flg; 301 int bsd_flg; 302 } sunnfs_flgtab[] = { 303 { SUNNFS_SOFT, NFSMNT_SOFT }, 304 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 305 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 306 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 307 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 308 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 309 { SUNNFS_INT, NFSMNT_INT }, 310 { SUNNFS_NOAC, 0 }, /* Ignored */ 311 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 312 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 313 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 314 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 315 { SUNNFS_SECURE, 0 }, /* Ignored */ 316 { SUNNFS_NOCTO, 0 }, /* Ignored */ 317 { SUNNFS_POSIX, 0 } /* Ignored */ 318 }; 319 320 int 321 sunos_sys_mount(l, v, retval) 322 struct lwp *l; 323 void *v; 324 register_t *retval; 325 { 326 struct sunos_sys_mount_args *uap = v; 327 struct proc *p = l->l_proc; 328 int oflags = SCARG(uap, flags), nflags, error; 329 char fsname[MFSNAMELEN]; 330 caddr_t sg = stackgap_init(p, 0); 331 332 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 333 return (EINVAL); 334 if ((oflags & SUNM_NEWTYPE) == 0) 335 return (EINVAL); 336 nflags = 0; 337 if (oflags & SUNM_RDONLY) 338 nflags |= MNT_RDONLY; 339 if (oflags & SUNM_NOSUID) 340 nflags |= MNT_NOSUID; 341 if (oflags & SUNM_REMOUNT) 342 nflags |= MNT_UPDATE; 343 SCARG(uap, flags) = nflags; 344 345 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 346 sizeof fsname, (size_t *)0); 347 if (error) 348 return (error); 349 350 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 351 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 352 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 353 if (error) 354 return (error); 355 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 356 struct sunos_nfs_args sna; 357 struct sockaddr_in sain; 358 struct nfs_args na; 359 struct sockaddr sa; 360 int n; 361 362 error = copyin(SCARG(uap, data), &sna, sizeof sna); 363 if (error) 364 return (error); 365 error = copyin(sna.addr, &sain, sizeof sain); 366 if (error) 367 return (error); 368 memcpy(&sa, &sain, sizeof sa); 369 sa.sa_len = sizeof(sain); 370 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 371 na.version = NFS_ARGSVERSION; 372 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 373 na.addrlen = sizeof(struct sockaddr); 374 na.sotype = SOCK_DGRAM; 375 na.proto = IPPROTO_UDP; 376 na.fh = (void *)sna.fh; 377 na.fhsize = NFSX_V2FH; 378 na.flags = 0; 379 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 380 while (--n >= 0) 381 if (sna.flags & sunnfs_flgtab[n].sun_flg) 382 na.flags |= sunnfs_flgtab[n].bsd_flg; 383 na.wsize = sna.wsize; 384 na.rsize = sna.rsize; 385 if (na.flags & NFSMNT_RSIZE) { 386 na.flags |= NFSMNT_READDIRSIZE; 387 na.readdirsize = na.rsize; 388 } 389 na.timeo = sna.timeo; 390 na.retrans = sna.retrans; 391 na.hostname = (char *)(u_long)sna.hostname; 392 393 error = copyout(&sa, na.addr, sizeof sa); 394 if (error) 395 return (error); 396 error = copyout(&na, SCARG(uap, data), sizeof na); 397 if (error) 398 return (error); 399 } 400 return (sys_mount(l, (struct sys_mount_args *)uap, retval)); 401 } 402 403 #if defined(NFS) 404 int 405 async_daemon(l, v, retval) 406 struct lwp *l; 407 void *v; 408 register_t *retval; 409 { 410 struct sys_nfssvc_args ouap; 411 412 SCARG(&ouap, flag) = NFSSVC_BIOD; 413 SCARG(&ouap, argp) = NULL; 414 415 return (sys_nfssvc(l, &ouap, retval)); 416 } 417 #endif /* NFS */ 418 419 void native_to_sunos_sigset __P((const sigset_t *, int *)); 420 void sunos_to_native_sigset __P((const int, sigset_t *)); 421 422 __inline__ void 423 native_to_sunos_sigset(ss, mask) 424 const sigset_t *ss; 425 int *mask; 426 { 427 *mask = ss->__bits[0]; 428 } 429 430 __inline__ void 431 sunos_to_native_sigset(mask, ss) 432 const int mask; 433 sigset_t *ss; 434 { 435 436 ss->__bits[0] = mask; 437 ss->__bits[1] = 0; 438 ss->__bits[2] = 0; 439 ss->__bits[3] = 0; 440 } 441 442 int 443 sunos_sys_sigpending(l, v, retval) 444 struct lwp *l; 445 void *v; 446 register_t *retval; 447 { 448 struct sunos_sys_sigpending_args *uap = v; 449 sigset_t ss; 450 int mask; 451 452 sigpending1(l->l_proc, &ss); 453 native_to_sunos_sigset(&ss, &mask); 454 455 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 456 } 457 458 int 459 sunos_sys_sigsuspend(l, v, retval) 460 struct lwp *l; 461 void *v; 462 register_t *retval; 463 { 464 struct sunos_sys_sigsuspend_args /* { 465 syscallarg(int) mask; 466 } */ *uap = v; 467 int mask; 468 sigset_t ss; 469 470 mask = SCARG(uap, mask); 471 sunos_to_native_sigset(mask, &ss); 472 return (sigsuspend1(l->l_proc, &ss)); 473 } 474 475 /* 476 * Read Sun-style directory entries. We suck them into kernel space so 477 * that they can be massaged before being copied out to user code. Like 478 * SunOS, we squish out `empty' entries. 479 * 480 * This is quite ugly, but what do you expect from compatibility code? 481 */ 482 int 483 sunos_sys_getdents(l, v, retval) 484 struct lwp *l; 485 void *v; 486 register_t *retval; 487 { 488 struct sunos_sys_getdents_args *uap = v; 489 struct proc *p = l->l_proc; 490 struct dirent *bdp; 491 struct vnode *vp; 492 caddr_t inp, buf; /* BSD-format */ 493 int len, reclen; /* BSD-format */ 494 caddr_t outp; /* Sun-format */ 495 int resid, sunos_reclen;/* Sun-format */ 496 struct file *fp; 497 struct uio auio; 498 struct iovec aiov; 499 struct sunos_dirent idb; 500 off_t off; /* true file offset */ 501 int buflen, error, eofflag; 502 off_t *cookiebuf, *cookie; 503 int ncookies; 504 505 /* getvnode() will use the descriptor for us */ 506 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 507 return (error); 508 509 if ((fp->f_flag & FREAD) == 0) { 510 error = EBADF; 511 goto out1; 512 } 513 514 vp = (struct vnode *)fp->f_data; 515 if (vp->v_type != VDIR) { 516 error = EINVAL; 517 goto out1; 518 } 519 520 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 521 buf = malloc(buflen, M_TEMP, M_WAITOK); 522 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 523 off = fp->f_offset; 524 again: 525 aiov.iov_base = buf; 526 aiov.iov_len = buflen; 527 auio.uio_iov = &aiov; 528 auio.uio_iovcnt = 1; 529 auio.uio_rw = UIO_READ; 530 auio.uio_segflg = UIO_SYSSPACE; 531 auio.uio_procp = p; 532 auio.uio_resid = buflen; 533 auio.uio_offset = off; 534 /* 535 * First we read into the malloc'ed buffer, then 536 * we massage it into user space, one record at a time. 537 */ 538 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 539 &ncookies); 540 if (error) 541 goto out; 542 543 inp = buf; 544 outp = SCARG(uap, buf); 545 resid = SCARG(uap, nbytes); 546 if ((len = buflen - auio.uio_resid) == 0) 547 goto eof; 548 549 for (cookie = cookiebuf; len > 0; len -= reclen) { 550 bdp = (struct dirent *)inp; 551 reclen = bdp->d_reclen; 552 if (reclen & 3) 553 panic("sunos_getdents"); 554 if ((*cookie >> 32) != 0) { 555 compat_offseterr(vp, "sunos_getdents"); 556 error = EINVAL; 557 goto out; 558 } 559 if (bdp->d_fileno == 0) { 560 inp += reclen; /* it is a hole; squish it out */ 561 off = *cookie++; 562 continue; 563 } 564 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 565 if (reclen > len || resid < sunos_reclen) { 566 /* entry too big for buffer, so just stop */ 567 outp++; 568 break; 569 } 570 off = *cookie++; /* each entry points to next */ 571 /* 572 * Massage in place to make a Sun-shaped dirent (otherwise 573 * we have to worry about touching user memory outside of 574 * the copyout() call). 575 */ 576 idb.d_fileno = bdp->d_fileno; 577 idb.d_off = off; 578 idb.d_reclen = sunos_reclen; 579 idb.d_namlen = bdp->d_namlen; 580 strcpy(idb.d_name, bdp->d_name); 581 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 582 goto out; 583 /* advance past this real entry */ 584 inp += reclen; 585 /* advance output past Sun-shaped entry */ 586 outp += sunos_reclen; 587 resid -= sunos_reclen; 588 } 589 590 /* if we squished out the whole block, try again */ 591 if (outp == SCARG(uap, buf)) 592 goto again; 593 fp->f_offset = off; /* update the vnode offset */ 594 595 eof: 596 *retval = SCARG(uap, nbytes) - resid; 597 out: 598 VOP_UNLOCK(vp, 0); 599 free(cookiebuf, M_TEMP); 600 free(buf, M_TEMP); 601 out1: 602 FILE_UNUSE(fp, p); 603 return (error); 604 } 605 606 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 607 608 int 609 sunos_sys_mmap(l, v, retval) 610 struct lwp *l; 611 void *v; 612 register_t *retval; 613 { 614 struct sunos_sys_mmap_args *uap = v; 615 struct sys_mmap_args ouap; 616 617 /* 618 * Verify the arguments. 619 */ 620 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 621 return (EINVAL); /* XXX still needed? */ 622 623 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 624 return (EINVAL); 625 626 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 627 SCARG(&ouap, addr) = SCARG(uap, addr); 628 SCARG(&ouap, len) = SCARG(uap, len); 629 SCARG(&ouap, prot) = SCARG(uap, prot); 630 SCARG(&ouap, fd) = SCARG(uap, fd); 631 SCARG(&ouap, pos) = SCARG(uap, pos); 632 633 return (sys_mmap(l, &ouap, retval)); 634 } 635 636 #define MC_SYNC 1 637 #define MC_LOCK 2 638 #define MC_UNLOCK 3 639 #define MC_ADVISE 4 640 #define MC_LOCKAS 5 641 #define MC_UNLOCKAS 6 642 643 int 644 sunos_sys_mctl(l, v, retval) 645 struct lwp *l; 646 void *v; 647 register_t *retval; 648 { 649 struct sunos_sys_mctl_args *uap = v; 650 651 switch (SCARG(uap, func)) { 652 case MC_ADVISE: /* ignore for now */ 653 return (0); 654 case MC_SYNC: /* translate to msync */ 655 return (sys___msync13(l, uap, retval)); 656 default: 657 return (EINVAL); 658 } 659 } 660 661 int 662 sunos_sys_setsockopt(l, v, retval) 663 struct lwp *l; 664 void *v; 665 register_t *retval; 666 { 667 struct sunos_sys_setsockopt_args *uap = v; 668 struct proc *p = l->l_proc; 669 struct file *fp; 670 struct mbuf *m = NULL; 671 int error; 672 673 /* getsock() will use the descriptor for us */ 674 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 675 return (error); 676 #define SO_DONTLINGER (~SO_LINGER) 677 if (SCARG(uap, name) == SO_DONTLINGER) { 678 m = m_get(M_WAIT, MT_SOOPTS); 679 mtod(m, struct linger *)->l_onoff = 0; 680 m->m_len = sizeof(struct linger); 681 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 682 SO_LINGER, m); 683 goto out; 684 } 685 if (SCARG(uap, level) == IPPROTO_IP) { 686 #define SUNOS_IP_MULTICAST_IF 2 687 #define SUNOS_IP_MULTICAST_TTL 3 688 #define SUNOS_IP_MULTICAST_LOOP 4 689 #define SUNOS_IP_ADD_MEMBERSHIP 5 690 #define SUNOS_IP_DROP_MEMBERSHIP 6 691 static int ipoptxlat[] = { 692 IP_MULTICAST_IF, 693 IP_MULTICAST_TTL, 694 IP_MULTICAST_LOOP, 695 IP_ADD_MEMBERSHIP, 696 IP_DROP_MEMBERSHIP 697 }; 698 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 699 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 700 SCARG(uap, name) = 701 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 702 } 703 } 704 if (SCARG(uap, valsize) > MLEN) { 705 error = EINVAL; 706 goto out; 707 } 708 if (SCARG(uap, val)) { 709 m = m_get(M_WAIT, MT_SOOPTS); 710 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 711 (u_int)SCARG(uap, valsize)); 712 if (error) { 713 (void) m_free(m); 714 goto out; 715 } 716 m->m_len = SCARG(uap, valsize); 717 } 718 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 719 SCARG(uap, name), m); 720 out: 721 FILE_UNUSE(fp, p); 722 return (error); 723 } 724 725 static __inline__ int sunos_sys_socket_common(struct lwp *, register_t *, 726 int type); 727 static __inline__ int 728 sunos_sys_socket_common(l, retval, type) 729 struct lwp *l; 730 register_t *retval; 731 int type; 732 { 733 struct socket *so; 734 struct file *fp; 735 int error, fd; 736 737 /* getsock() will use the descriptor for us */ 738 fd = (int)*retval; 739 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 740 so = (struct socket *)fp->f_data; 741 if (type == SOCK_DGRAM) 742 so->so_options |= SO_BROADCAST; 743 } 744 FILE_UNUSE(fp, l->l_proc); 745 return (error); 746 } 747 748 int 749 sunos_sys_socket(l, v, retval) 750 struct lwp *l; 751 void *v; 752 register_t *retval; 753 { 754 struct sunos_sys_socket_args /* { 755 syscallarg(int) domain; 756 syscallarg(int) type; 757 syscallarg(int) protocol; 758 } */ *uap = v; 759 int error; 760 761 error = sys_socket(l, v, retval); 762 if (error) 763 return (error); 764 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 765 } 766 767 int 768 sunos_sys_socketpair(l, v, retval) 769 struct lwp *l; 770 void *v; 771 register_t *retval; 772 { 773 struct sunos_sys_socketpair_args /* { 774 syscallarg(int) domain; 775 syscallarg(int) type; 776 syscallarg(int) protocol; 777 syscallarg(int *) rsv; 778 } */ *uap = v; 779 int error; 780 781 error = sys_socketpair(l, v, retval); 782 if (error) 783 return (error); 784 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 785 } 786 787 /* 788 * XXX: This needs cleaning up. 789 */ 790 int 791 sunos_sys_auditsys(l, v, retval) 792 struct lwp *l; 793 void *v; 794 register_t *retval; 795 { 796 return 0; 797 } 798 799 int 800 sunos_sys_uname(l, v, retval) 801 struct lwp *l; 802 void *v; 803 register_t *retval; 804 { 805 struct sunos_sys_uname_args *uap = v; 806 struct sunos_utsname sut; 807 808 memset(&sut, 0, sizeof(sut)); 809 810 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 811 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 812 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 813 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 814 memcpy(sut.version, "1", sizeof(sut.version) - 1); 815 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 816 817 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 818 sizeof(struct sunos_utsname)); 819 } 820 821 int 822 sunos_sys_setpgrp(l, v, retval) 823 struct lwp *l; 824 void *v; 825 register_t *retval; 826 { 827 struct sunos_sys_setpgrp_args *uap = v; 828 struct proc *p = l->l_proc; 829 830 /* 831 * difference to our setpgid call is to include backwards 832 * compatibility to pre-setsid() binaries. Do setsid() 833 * instead of setpgid() in those cases where the process 834 * tries to create a new session the old way. 835 */ 836 if (!SCARG(uap, pgid) && 837 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 838 return sys_setsid(l, uap, retval); 839 else 840 return sys_setpgid(l, uap, retval); 841 } 842 843 int 844 sunos_sys_open(l, v, retval) 845 struct lwp *l; 846 void *v; 847 register_t *retval; 848 { 849 struct sunos_sys_open_args *uap = v; 850 struct proc *p = l->l_proc; 851 int smode, nmode; 852 int noctty; 853 int ret; 854 855 caddr_t sg = stackgap_init(p, 0); 856 857 /* convert mode into NetBSD mode */ 858 smode = SCARG(uap, flags); 859 noctty = smode & 0x8000; 860 nmode = smode & 861 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 862 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 863 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 864 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 865 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 866 867 if (nmode & O_CREAT) 868 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 869 else 870 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 871 872 SCARG(uap, flags) = nmode; 873 ret = sys_open(l, (struct sys_open_args *)uap, retval); 874 875 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 876 struct filedesc *fdp = p->p_fd; 877 struct file *fp; 878 879 fp = fd_getfile(fdp, *retval); 880 881 /* ignore any error, just give it a try */ 882 if (fp != NULL && fp->f_type == DTYPE_VNODE) 883 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 884 } 885 return ret; 886 } 887 888 #if defined (NFSSERVER) 889 int 890 sunos_sys_nfssvc(l, v, retval) 891 struct lwp *l; 892 void *v; 893 register_t *retval; 894 { 895 #if 0 896 struct sunos_sys_nfssvc_args *uap = v; 897 struct proc *p = l->l_proc; 898 struct emul *e = p->p_emul; 899 struct sys_nfssvc_args outuap; 900 struct sockaddr sa; 901 int error; 902 caddr_t sg = stackgap_init(p, 0); 903 904 memset(&outuap, 0, sizeof outuap); 905 SCARG(&outuap, fd) = SCARG(uap, fd); 906 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 907 SCARG(&outuap, msklen) = sizeof(sa); 908 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 909 SCARG(&outuap, mtchlen) = sizeof(sa); 910 911 memset(&sa, 0, sizeof sa); 912 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 913 return (error); 914 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 915 return (error); 916 917 return nfssvc(l, &outuap, retval); 918 #else 919 return (ENOSYS); 920 #endif 921 } 922 #endif /* NFSSERVER */ 923 924 int 925 sunos_sys_ustat(l, v, retval) 926 struct lwp *l; 927 void *v; 928 register_t *retval; 929 { 930 struct sunos_sys_ustat_args *uap = v; 931 struct sunos_ustat us; 932 int error; 933 934 memset(&us, 0, sizeof us); 935 936 /* 937 * XXX: should set f_tfree and f_tinode at least 938 * How do we translate dev -> fstat? (and then to sunos_ustat) 939 */ 940 941 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 942 return (error); 943 return 0; 944 } 945 946 int 947 sunos_sys_quotactl(l, v, retval) 948 struct lwp *l; 949 void *v; 950 register_t *retval; 951 { 952 953 return EINVAL; 954 } 955 956 int 957 sunos_sys_vhangup(l, v, retval) 958 struct lwp *l; 959 void *v; 960 register_t *retval; 961 { 962 struct proc *p = l->l_proc; 963 struct session *sp = p->p_session; 964 965 if (sp->s_ttyvp == 0) 966 return 0; 967 968 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 969 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 970 971 (void) ttywait(sp->s_ttyp); 972 if (sp->s_ttyvp) 973 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 974 if (sp->s_ttyvp) 975 vrele(sp->s_ttyvp); 976 sp->s_ttyvp = NULL; 977 978 return 0; 979 } 980 981 static int 982 sunstatfs(sp, buf) 983 struct statfs *sp; 984 caddr_t buf; 985 { 986 struct sunos_statfs ssfs; 987 988 memset(&ssfs, 0, sizeof ssfs); 989 ssfs.f_type = 0; 990 ssfs.f_bsize = sp->f_bsize; 991 ssfs.f_blocks = sp->f_blocks; 992 ssfs.f_bfree = sp->f_bfree; 993 ssfs.f_bavail = sp->f_bavail; 994 ssfs.f_files = sp->f_files; 995 ssfs.f_ffree = sp->f_ffree; 996 ssfs.f_fsid = sp->f_fsid; 997 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 998 } 999 1000 int 1001 sunos_sys_statfs(l, v, retval) 1002 struct lwp *l; 1003 void *v; 1004 register_t *retval; 1005 { 1006 struct sunos_sys_statfs_args *uap = v; 1007 struct proc *p = l->l_proc; 1008 struct mount *mp; 1009 struct statfs *sp; 1010 int error; 1011 struct nameidata nd; 1012 1013 caddr_t sg = stackgap_init(p, 0); 1014 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 1015 1016 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 1017 if ((error = namei(&nd)) != 0) 1018 return (error); 1019 mp = nd.ni_vp->v_mount; 1020 sp = &mp->mnt_stat; 1021 vrele(nd.ni_vp); 1022 if ((error = VFS_STATFS(mp, sp, p)) != 0) 1023 return (error); 1024 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 1025 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1026 } 1027 1028 int 1029 sunos_sys_fstatfs(l, v, retval) 1030 struct lwp *l; 1031 void *v; 1032 register_t *retval; 1033 { 1034 struct sunos_sys_fstatfs_args *uap = v; 1035 struct proc *p = l->l_proc; 1036 struct file *fp; 1037 struct mount *mp; 1038 struct statfs *sp; 1039 int error; 1040 1041 /* getvnode() will use the descriptor for us */ 1042 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1043 return (error); 1044 mp = ((struct vnode *)fp->f_data)->v_mount; 1045 sp = &mp->mnt_stat; 1046 if ((error = VFS_STATFS(mp, sp, p)) != 0) 1047 goto out; 1048 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 1049 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1050 out: 1051 FILE_UNUSE(fp, p); 1052 return (error); 1053 } 1054 1055 int 1056 sunos_sys_exportfs(l, v, retval) 1057 struct lwp *l; 1058 void *v; 1059 register_t *retval; 1060 { 1061 /* 1062 * XXX: should perhaps translate into a mount(2) 1063 * with MOUNT_EXPORT? 1064 */ 1065 return 0; 1066 } 1067 1068 int 1069 sunos_sys_mknod(l, v, retval) 1070 struct lwp *l; 1071 void *v; 1072 register_t *retval; 1073 { 1074 struct sunos_sys_mknod_args *uap = v; 1075 struct proc *p = l->l_proc; 1076 1077 caddr_t sg = stackgap_init(p, 0); 1078 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1079 1080 if (S_ISFIFO(SCARG(uap, mode))) 1081 return sys_mkfifo(l, uap, retval); 1082 1083 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 1084 } 1085 1086 #define SUNOS_SC_ARG_MAX 1 1087 #define SUNOS_SC_CHILD_MAX 2 1088 #define SUNOS_SC_CLK_TCK 3 1089 #define SUNOS_SC_NGROUPS_MAX 4 1090 #define SUNOS_SC_OPEN_MAX 5 1091 #define SUNOS_SC_JOB_CONTROL 6 1092 #define SUNOS_SC_SAVED_IDS 7 1093 #define SUNOS_SC_VERSION 8 1094 1095 int 1096 sunos_sys_sysconf(l, v, retval) 1097 struct lwp *l; 1098 void *v; 1099 register_t *retval; 1100 { 1101 struct sunos_sys_sysconf_args *uap = v; 1102 extern int maxfiles; 1103 1104 switch(SCARG(uap, name)) { 1105 case SUNOS_SC_ARG_MAX: 1106 *retval = ARG_MAX; 1107 break; 1108 case SUNOS_SC_CHILD_MAX: 1109 *retval = maxproc; 1110 break; 1111 case SUNOS_SC_CLK_TCK: 1112 *retval = 60; /* should this be `hz', ie. 100? */ 1113 break; 1114 case SUNOS_SC_NGROUPS_MAX: 1115 *retval = NGROUPS_MAX; 1116 break; 1117 case SUNOS_SC_OPEN_MAX: 1118 *retval = maxfiles; 1119 break; 1120 case SUNOS_SC_JOB_CONTROL: 1121 *retval = 1; 1122 break; 1123 case SUNOS_SC_SAVED_IDS: 1124 #ifdef _POSIX_SAVED_IDS 1125 *retval = 1; 1126 #else 1127 *retval = 0; 1128 #endif 1129 break; 1130 case SUNOS_SC_VERSION: 1131 *retval = 198808; 1132 break; 1133 default: 1134 return EINVAL; 1135 } 1136 return 0; 1137 } 1138 1139 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1140 #define SUNOS_RLIM_NLIMITS 7 1141 1142 int 1143 sunos_sys_getrlimit(l, v, retval) 1144 struct lwp *l; 1145 void *v; 1146 register_t *retval; 1147 { 1148 struct sunos_sys_getrlimit_args *uap = v; 1149 1150 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1151 return EINVAL; 1152 1153 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1154 SCARG(uap, which) = RLIMIT_NOFILE; 1155 1156 return compat_43_sys_getrlimit(l, uap, retval); 1157 } 1158 1159 int 1160 sunos_sys_setrlimit(l, v, retval) 1161 struct lwp *l; 1162 void *v; 1163 register_t *retval; 1164 { 1165 struct sunos_sys_getrlimit_args *uap = v; 1166 1167 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1168 return EINVAL; 1169 1170 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1171 SCARG(uap, which) = RLIMIT_NOFILE; 1172 1173 return compat_43_sys_setrlimit(l, uap, retval); 1174 } 1175 1176 /* for the m68k machines */ 1177 #ifndef PT_GETFPREGS 1178 #define PT_GETFPREGS -1 1179 #endif 1180 #ifndef PT_SETFPREGS 1181 #define PT_SETFPREGS -1 1182 #endif 1183 1184 static int sreq2breq[] = { 1185 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1186 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1187 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1188 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1189 }; 1190 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1191 1192 int 1193 sunos_sys_ptrace(l, v, retval) 1194 struct lwp *l; 1195 void *v; 1196 register_t *retval; 1197 { 1198 struct sunos_sys_ptrace_args *uap = v; 1199 struct sys_ptrace_args pa; 1200 int req; 1201 1202 req = SCARG(uap, req); 1203 1204 if (req < 0 || req >= nreqs) 1205 return (EINVAL); 1206 1207 req = sreq2breq[req]; 1208 if (req == -1) 1209 return (EINVAL); 1210 1211 SCARG(&pa, req) = req; 1212 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1213 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1214 SCARG(&pa, data) = SCARG(uap, data); 1215 1216 return sys_ptrace(l, &pa, retval); 1217 } 1218 1219 /* 1220 * SunOS reboot system call (for compatibility). 1221 * Sun lets you pass in a boot string which the PROM 1222 * saves and provides to the next boot program. 1223 */ 1224 1225 #define SUNOS_RB_ASKNAME 0x001 1226 #define SUNOS_RB_SINGLE 0x002 1227 #define SUNOS_RB_NOSYNC 0x004 1228 #define SUNOS_RB_HALT 0x008 1229 #define SUNOS_RB_DUMP 0x080 1230 #define SUNOS_RB_STRING 0x200 1231 1232 static struct sunos_howto_conv { 1233 int sun_howto; 1234 int bsd_howto; 1235 } sunos_howto_conv[] = { 1236 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1237 { SUNOS_RB_SINGLE, RB_SINGLE }, 1238 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1239 { SUNOS_RB_HALT, RB_HALT }, 1240 { SUNOS_RB_DUMP, RB_DUMP }, 1241 { SUNOS_RB_STRING, RB_STRING }, 1242 { 0x000, 0 }, 1243 }; 1244 1245 int 1246 sunos_sys_reboot(l, v, retval) 1247 struct lwp *l; 1248 void *v; 1249 register_t *retval; 1250 { 1251 struct sunos_sys_reboot_args *uap = v; 1252 struct proc *p = l->l_proc; 1253 struct sys_reboot_args ua; 1254 struct sunos_howto_conv *convp; 1255 int error, bsd_howto, sun_howto; 1256 char *bootstr; 1257 1258 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1259 return (error); 1260 1261 /* 1262 * Convert howto bits to BSD format. 1263 */ 1264 sun_howto = SCARG(uap, howto); 1265 bsd_howto = 0; 1266 convp = sunos_howto_conv; 1267 while (convp->sun_howto) { 1268 if (sun_howto & convp->sun_howto) 1269 bsd_howto |= convp->bsd_howto; 1270 convp++; 1271 } 1272 1273 /* 1274 * Sun RB_STRING (Get user supplied bootstring.) 1275 * If the machine supports passing a string to the 1276 * next booted kernel. 1277 */ 1278 if (sun_howto & SUNOS_RB_STRING) { 1279 char bs[128]; 1280 1281 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1282 1283 if (error) 1284 bootstr = NULL; 1285 else 1286 bootstr = bs; 1287 } else 1288 bootstr = NULL; 1289 1290 SCARG(&ua, opt) = bsd_howto; 1291 SCARG(&ua, bootstr) = bootstr; 1292 sys_reboot(l, &ua, retval); 1293 return(0); 1294 } 1295 1296 /* 1297 * Generalized interface signal handler, 4.3-compatible. 1298 */ 1299 /* ARGSUSED */ 1300 int 1301 sunos_sys_sigvec(l, v, retval) 1302 struct lwp *l; 1303 void *v; 1304 register_t *retval; 1305 { 1306 struct sunos_sys_sigvec_args /* { 1307 syscallarg(int) signum; 1308 syscallarg(struct sigvec *) nsv; 1309 syscallarg(struct sigvec *) osv; 1310 } */ *uap = v; 1311 struct sigvec nsv, osv; 1312 struct sigaction nsa, osa; 1313 int error; 1314 /*XXX*/extern void compat_43_sigvec_to_sigaction 1315 __P((const struct sigvec *, struct sigaction *)); 1316 /*XXX*/extern void compat_43_sigaction_to_sigvec 1317 __P((const struct sigaction *, struct sigvec *)); 1318 1319 if (SCARG(uap, nsv)) { 1320 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1321 if (error != 0) 1322 return (error); 1323 1324 /* 1325 * SunOS uses the mask 0x0004 as SV_RESETHAND 1326 * meaning: `reset to SIG_DFL on delivery'. 1327 * We support only the bits in: 0xF 1328 * (those bits are the same as ours) 1329 */ 1330 if (nsv.sv_flags & ~0xF) 1331 return (EINVAL); 1332 1333 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1334 } 1335 error = sigaction1(l->l_proc, SCARG(uap, signum), 1336 SCARG(uap, nsv) ? &nsa : 0, 1337 SCARG(uap, osv) ? &osa : 0, 1338 NULL, 0); 1339 if (error != 0) 1340 return (error); 1341 1342 if (SCARG(uap, osv)) { 1343 compat_43_sigaction_to_sigvec(&osa, &osv); 1344 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1345 if (error != 0) 1346 return (error); 1347 } 1348 1349 return (0); 1350 } 1351