1 /* $NetBSD: sunos_misc.c,v 1.114 2002/03/16 20:43:56 christos 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 1.114 2002/03/16 20:43:56 christos 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/syscallargs.h> 92 #include <sys/conf.h> 93 #include <sys/socketvar.h> 94 #include <sys/exec.h> 95 #include <sys/swap.h> 96 97 #include <compat/sunos/sunos.h> 98 #include <compat/sunos/sunos_syscallargs.h> 99 #include <compat/common/compat_util.h> 100 #include <compat/sunos/sunos_dirent.h> 101 102 #include <netinet/in.h> 103 104 #include <miscfs/specfs/specdev.h> 105 106 #include <nfs/rpcv2.h> 107 #include <nfs/nfsproto.h> 108 #include <nfs/nfs.h> 109 #include <nfs/nfsmount.h> 110 111 static int sunstatfs __P((struct statfs *, caddr_t)); 112 113 int 114 sunos_sys_stime(p, v, retval) 115 struct proc *p; 116 void *v; 117 register_t *retval; 118 { 119 struct sunos_sys_stime_args *uap = v; 120 struct sys_settimeofday_args ap; 121 caddr_t sg = stackgap_init(p, 0); 122 struct timeval tv, *sgtvp; 123 int error; 124 125 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 126 if (error) 127 return error; 128 tv.tv_usec = 0; 129 130 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval)); 131 SCARG(&ap, tzp) = NULL; 132 133 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 134 if (error) 135 return error; 136 137 return sys_settimeofday(p, &ap, retval); 138 } 139 140 int 141 sunos_sys_wait4(p, v, retval) 142 struct proc *p; 143 void *v; 144 register_t *retval; 145 { 146 struct sunos_sys_wait4_args *uap = v; 147 if (SCARG(uap, pid) == 0) 148 SCARG(uap, pid) = WAIT_ANY; 149 return (sys_wait4(p, uap, retval)); 150 } 151 152 int 153 sunos_sys_creat(p, v, retval) 154 struct proc *p; 155 void *v; 156 register_t *retval; 157 { 158 struct sunos_sys_creat_args *uap = v; 159 struct sys_open_args ouap; 160 161 caddr_t sg = stackgap_init(p, 0); 162 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 163 164 SCARG(&ouap, path) = SCARG(uap, path); 165 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 166 SCARG(&ouap, mode) = SCARG(uap, mode); 167 168 return (sys_open(p, &ouap, retval)); 169 } 170 171 int 172 sunos_sys_access(p, v, retval) 173 struct proc *p; 174 void *v; 175 register_t *retval; 176 { 177 struct sunos_sys_access_args *uap = v; 178 caddr_t sg = stackgap_init(p, 0); 179 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 180 181 return (sys_access(p, uap, retval)); 182 } 183 184 int 185 sunos_sys_stat(p, v, retval) 186 struct proc *p; 187 void *v; 188 register_t *retval; 189 { 190 struct sunos_sys_stat_args *uap = v; 191 caddr_t sg = stackgap_init(p, 0); 192 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 193 194 return (compat_43_sys_stat(p, uap, retval)); 195 } 196 197 int 198 sunos_sys_lstat(p, v, retval) 199 struct proc *p; 200 void *v; 201 register_t *retval; 202 { 203 struct sunos_sys_lstat_args *uap = v; 204 caddr_t sg = stackgap_init(p, 0); 205 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 206 207 return (compat_43_sys_lstat(p, uap, retval)); 208 } 209 210 int 211 sunos_sys_execv(p, v, retval) 212 struct proc *p; 213 void *v; 214 register_t *retval; 215 { 216 struct sunos_sys_execv_args /* { 217 syscallarg(const char *) path; 218 syscallarg(char **) argv; 219 } */ *uap = v; 220 struct sys_execve_args ap; 221 caddr_t sg; 222 223 sg = stackgap_init(p, 0); 224 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 225 226 SCARG(&ap, path) = SCARG(uap, path); 227 SCARG(&ap, argp) = SCARG(uap, argp); 228 SCARG(&ap, envp) = NULL; 229 230 return (sys_execve(p, &ap, retval)); 231 } 232 233 int 234 sunos_sys_execve(p, v, retval) 235 struct proc *p; 236 void *v; 237 register_t *retval; 238 { 239 struct sunos_sys_execve_args /* { 240 syscallarg(const char *) path; 241 syscallarg(char **) argv; 242 syscallarg(char **) envp; 243 } */ *uap = v; 244 struct sys_execve_args ap; 245 caddr_t sg; 246 247 sg = stackgap_init(p, 0); 248 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 249 250 SCARG(&ap, path) = SCARG(uap, path); 251 SCARG(&ap, argp) = SCARG(uap, argp); 252 SCARG(&ap, envp) = SCARG(uap, envp); 253 254 return (sys_execve(p, &ap, retval)); 255 } 256 257 int 258 sunos_sys_omsync(p, v, retval) 259 struct proc *p; 260 void *v; 261 register_t *retval; 262 { 263 struct sunos_sys_omsync_args *uap = v; 264 struct sys___msync13_args ouap; 265 266 SCARG(&ouap, addr) = SCARG(uap, addr); 267 SCARG(&ouap, len) = SCARG(uap, len); 268 SCARG(&ouap, flags) = SCARG(uap, flags); 269 270 return (sys___msync13(p, &ouap, retval)); 271 } 272 273 int 274 sunos_sys_unmount(p, v, retval) 275 struct proc *p; 276 void *v; 277 register_t *retval; 278 { 279 struct sunos_sys_unmount_args *uap = v; 280 struct sys_unmount_args ouap; 281 282 SCARG(&ouap, path) = SCARG(uap, path); 283 SCARG(&ouap, flags) = 0; 284 285 return (sys_unmount(p, &ouap, retval)); 286 } 287 288 /* 289 * Conversion table for SunOS NFS mount flags. 290 */ 291 static struct { 292 int sun_flg; 293 int bsd_flg; 294 } sunnfs_flgtab[] = { 295 { SUNNFS_SOFT, NFSMNT_SOFT }, 296 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 297 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 298 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 299 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 300 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 301 { SUNNFS_INT, NFSMNT_INT }, 302 { SUNNFS_NOAC, 0 }, /* Ignored */ 303 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 304 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 305 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 306 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 307 { SUNNFS_SECURE, 0 }, /* Ignored */ 308 { SUNNFS_NOCTO, 0 }, /* Ignored */ 309 { SUNNFS_POSIX, 0 } /* Ignored */ 310 }; 311 312 int 313 sunos_sys_mount(p, v, retval) 314 struct proc *p; 315 void *v; 316 register_t *retval; 317 { 318 struct sunos_sys_mount_args *uap = v; 319 int oflags = SCARG(uap, flags), nflags, error; 320 char fsname[MFSNAMELEN]; 321 caddr_t sg = stackgap_init(p, 0); 322 323 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 324 return (EINVAL); 325 if ((oflags & SUNM_NEWTYPE) == 0) 326 return (EINVAL); 327 nflags = 0; 328 if (oflags & SUNM_RDONLY) 329 nflags |= MNT_RDONLY; 330 if (oflags & SUNM_NOSUID) 331 nflags |= MNT_NOSUID; 332 if (oflags & SUNM_REMOUNT) 333 nflags |= MNT_UPDATE; 334 SCARG(uap, flags) = nflags; 335 336 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 337 sizeof fsname, (size_t *)0); 338 if (error) 339 return (error); 340 341 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 342 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs")); 343 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 344 if (error) 345 return (error); 346 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 347 struct sunos_nfs_args sna; 348 struct sockaddr_in sain; 349 struct nfs_args na; 350 struct sockaddr sa; 351 int n; 352 353 error = copyin(SCARG(uap, data), &sna, sizeof sna); 354 if (error) 355 return (error); 356 error = copyin(sna.addr, &sain, sizeof sain); 357 if (error) 358 return (error); 359 memcpy(&sa, &sain, sizeof sa); 360 sa.sa_len = sizeof(sain); 361 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na)); 362 na.version = NFS_ARGSVERSION; 363 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr)); 364 na.addrlen = sizeof(struct sockaddr); 365 na.sotype = SOCK_DGRAM; 366 na.proto = IPPROTO_UDP; 367 na.fh = (void *)sna.fh; 368 na.fhsize = NFSX_V2FH; 369 na.flags = 0; 370 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 371 while (--n >= 0) 372 if (sna.flags & sunnfs_flgtab[n].sun_flg) 373 na.flags |= sunnfs_flgtab[n].bsd_flg; 374 na.wsize = sna.wsize; 375 na.rsize = sna.rsize; 376 if (na.flags & NFSMNT_RSIZE) { 377 na.flags |= NFSMNT_READDIRSIZE; 378 na.readdirsize = na.rsize; 379 } 380 na.timeo = sna.timeo; 381 na.retrans = sna.retrans; 382 na.hostname = (char *)(u_long)sna.hostname; 383 384 error = copyout(&sa, na.addr, sizeof sa); 385 if (error) 386 return (error); 387 error = copyout(&na, SCARG(uap, data), sizeof na); 388 if (error) 389 return (error); 390 } 391 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 392 } 393 394 #if defined(NFS) 395 int 396 async_daemon(p, v, retval) 397 struct proc *p; 398 void *v; 399 register_t *retval; 400 { 401 struct sys_nfssvc_args ouap; 402 403 SCARG(&ouap, flag) = NFSSVC_BIOD; 404 SCARG(&ouap, argp) = NULL; 405 406 return (sys_nfssvc(p, &ouap, retval)); 407 } 408 #endif /* NFS */ 409 410 void native_to_sunos_sigset __P((const sigset_t *, int *)); 411 void sunos_to_native_sigset __P((const int, sigset_t *)); 412 413 __inline__ void 414 native_to_sunos_sigset(ss, mask) 415 const sigset_t *ss; 416 int *mask; 417 { 418 *mask = ss->__bits[0]; 419 } 420 421 __inline__ void 422 sunos_to_native_sigset(mask, ss) 423 const int mask; 424 sigset_t *ss; 425 { 426 427 ss->__bits[0] = mask; 428 ss->__bits[1] = 0; 429 ss->__bits[2] = 0; 430 ss->__bits[3] = 0; 431 } 432 433 int 434 sunos_sys_sigpending(p, v, retval) 435 struct proc *p; 436 void *v; 437 register_t *retval; 438 { 439 struct sunos_sys_sigpending_args *uap = v; 440 sigset_t ss; 441 int mask; 442 443 sigpending1(p, &ss); 444 native_to_sunos_sigset(&ss, &mask); 445 446 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 447 } 448 449 int 450 sunos_sys_sigsuspend(p, v, retval) 451 struct proc *p; 452 void *v; 453 register_t *retval; 454 { 455 struct sunos_sys_sigsuspend_args /* { 456 syscallarg(int) mask; 457 } */ *uap = v; 458 int mask; 459 sigset_t ss; 460 461 mask = SCARG(uap, mask); 462 sunos_to_native_sigset(mask, &ss); 463 return (sigsuspend1(p, &ss)); 464 } 465 466 /* 467 * Read Sun-style directory entries. We suck them into kernel space so 468 * that they can be massaged before being copied out to user code. Like 469 * SunOS, we squish out `empty' entries. 470 * 471 * This is quite ugly, but what do you expect from compatibility code? 472 */ 473 int 474 sunos_sys_getdents(p, v, retval) 475 struct proc *p; 476 void *v; 477 register_t *retval; 478 { 479 struct sunos_sys_getdents_args *uap = v; 480 struct dirent *bdp; 481 struct vnode *vp; 482 caddr_t inp, buf; /* BSD-format */ 483 int len, reclen; /* BSD-format */ 484 caddr_t outp; /* Sun-format */ 485 int resid, sunos_reclen;/* Sun-format */ 486 struct file *fp; 487 struct uio auio; 488 struct iovec aiov; 489 struct sunos_dirent idb; 490 off_t off; /* true file offset */ 491 int buflen, error, eofflag; 492 off_t *cookiebuf, *cookie; 493 int ncookies; 494 495 /* getvnode() will use the descriptor for us */ 496 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 497 return (error); 498 499 if ((fp->f_flag & FREAD) == 0) { 500 error = EBADF; 501 goto out1; 502 } 503 504 vp = (struct vnode *)fp->f_data; 505 if (vp->v_type != VDIR) { 506 error = EINVAL; 507 goto out1; 508 } 509 510 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 511 buf = malloc(buflen, M_TEMP, M_WAITOK); 512 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 513 off = fp->f_offset; 514 again: 515 aiov.iov_base = buf; 516 aiov.iov_len = buflen; 517 auio.uio_iov = &aiov; 518 auio.uio_iovcnt = 1; 519 auio.uio_rw = UIO_READ; 520 auio.uio_segflg = UIO_SYSSPACE; 521 auio.uio_procp = p; 522 auio.uio_resid = buflen; 523 auio.uio_offset = off; 524 /* 525 * First we read into the malloc'ed buffer, then 526 * we massage it into user space, one record at a time. 527 */ 528 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 529 &ncookies); 530 if (error) 531 goto out; 532 533 inp = buf; 534 outp = SCARG(uap, buf); 535 resid = SCARG(uap, nbytes); 536 if ((len = buflen - auio.uio_resid) == 0) 537 goto eof; 538 539 for (cookie = cookiebuf; len > 0; len -= reclen) { 540 bdp = (struct dirent *)inp; 541 reclen = bdp->d_reclen; 542 if (reclen & 3) 543 panic("sunos_getdents"); 544 if ((*cookie >> 32) != 0) { 545 compat_offseterr(vp, "sunos_getdents"); 546 error = EINVAL; 547 goto out; 548 } 549 if (bdp->d_fileno == 0) { 550 inp += reclen; /* it is a hole; squish it out */ 551 off = *cookie++; 552 continue; 553 } 554 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 555 if (reclen > len || resid < sunos_reclen) { 556 /* entry too big for buffer, so just stop */ 557 outp++; 558 break; 559 } 560 off = *cookie++; /* each entry points to next */ 561 /* 562 * Massage in place to make a Sun-shaped dirent (otherwise 563 * we have to worry about touching user memory outside of 564 * the copyout() call). 565 */ 566 idb.d_fileno = bdp->d_fileno; 567 idb.d_off = off; 568 idb.d_reclen = sunos_reclen; 569 idb.d_namlen = bdp->d_namlen; 570 strcpy(idb.d_name, bdp->d_name); 571 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 572 goto out; 573 /* advance past this real entry */ 574 inp += reclen; 575 /* advance output past Sun-shaped entry */ 576 outp += sunos_reclen; 577 resid -= sunos_reclen; 578 } 579 580 /* if we squished out the whole block, try again */ 581 if (outp == SCARG(uap, buf)) 582 goto again; 583 fp->f_offset = off; /* update the vnode offset */ 584 585 eof: 586 *retval = SCARG(uap, nbytes) - resid; 587 out: 588 VOP_UNLOCK(vp, 0); 589 free(cookiebuf, M_TEMP); 590 free(buf, M_TEMP); 591 out1: 592 FILE_UNUSE(fp, p); 593 return (error); 594 } 595 596 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 597 598 int 599 sunos_sys_mmap(p, v, retval) 600 struct proc *p; 601 void *v; 602 register_t *retval; 603 { 604 struct sunos_sys_mmap_args *uap = v; 605 struct sys_mmap_args ouap; 606 struct filedesc *fdp; 607 struct file *fp; 608 struct vnode *vp; 609 610 /* 611 * Verify the arguments. 612 */ 613 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 614 return (EINVAL); /* XXX still needed? */ 615 616 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 617 return (EINVAL); 618 619 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 620 SCARG(&ouap, addr) = SCARG(uap, addr); 621 622 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 623 SCARG(&ouap, addr) != 0 && 624 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 625 SCARG(&ouap, addr) = (caddr_t)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 626 627 SCARG(&ouap, len) = SCARG(uap, len); 628 SCARG(&ouap, prot) = SCARG(uap, prot); 629 SCARG(&ouap, fd) = SCARG(uap, fd); 630 SCARG(&ouap, pos) = SCARG(uap, pos); 631 632 /* 633 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 634 */ 635 fdp = p->p_fd; 636 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 637 fp->f_type == DTYPE_VNODE && /*XXX*/ 638 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 639 iszerodev(vp->v_rdev)) { /*XXX*/ 640 SCARG(&ouap, flags) |= MAP_ANON; 641 SCARG(&ouap, fd) = -1; 642 } 643 644 return (sys_mmap(p, &ouap, retval)); 645 } 646 647 #define MC_SYNC 1 648 #define MC_LOCK 2 649 #define MC_UNLOCK 3 650 #define MC_ADVISE 4 651 #define MC_LOCKAS 5 652 #define MC_UNLOCKAS 6 653 654 int 655 sunos_sys_mctl(p, v, retval) 656 struct proc *p; 657 void *v; 658 register_t *retval; 659 { 660 struct sunos_sys_mctl_args *uap = v; 661 662 switch (SCARG(uap, func)) { 663 case MC_ADVISE: /* ignore for now */ 664 return (0); 665 case MC_SYNC: /* translate to msync */ 666 return (sys___msync13(p, uap, retval)); 667 default: 668 return (EINVAL); 669 } 670 } 671 672 int 673 sunos_sys_setsockopt(p, v, retval) 674 struct proc *p; 675 void *v; 676 register_t *retval; 677 { 678 struct sunos_sys_setsockopt_args *uap = v; 679 struct file *fp; 680 struct mbuf *m = NULL; 681 int error; 682 683 /* getsock() will use the descriptor for us */ 684 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 685 return (error); 686 #define SO_DONTLINGER (~SO_LINGER) 687 if (SCARG(uap, name) == SO_DONTLINGER) { 688 m = m_get(M_WAIT, MT_SOOPTS); 689 mtod(m, struct linger *)->l_onoff = 0; 690 m->m_len = sizeof(struct linger); 691 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 692 SO_LINGER, m); 693 goto out; 694 } 695 if (SCARG(uap, level) == IPPROTO_IP) { 696 #define SUNOS_IP_MULTICAST_IF 2 697 #define SUNOS_IP_MULTICAST_TTL 3 698 #define SUNOS_IP_MULTICAST_LOOP 4 699 #define SUNOS_IP_ADD_MEMBERSHIP 5 700 #define SUNOS_IP_DROP_MEMBERSHIP 6 701 static int ipoptxlat[] = { 702 IP_MULTICAST_IF, 703 IP_MULTICAST_TTL, 704 IP_MULTICAST_LOOP, 705 IP_ADD_MEMBERSHIP, 706 IP_DROP_MEMBERSHIP 707 }; 708 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 709 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 710 SCARG(uap, name) = 711 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 712 } 713 } 714 if (SCARG(uap, valsize) > MLEN) { 715 error = EINVAL; 716 goto out; 717 } 718 if (SCARG(uap, val)) { 719 m = m_get(M_WAIT, MT_SOOPTS); 720 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 721 (u_int)SCARG(uap, valsize)); 722 if (error) { 723 (void) m_free(m); 724 goto out; 725 } 726 m->m_len = SCARG(uap, valsize); 727 } 728 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 729 SCARG(uap, name), m); 730 out: 731 FILE_UNUSE(fp, p); 732 return (error); 733 } 734 735 static __inline__ int sunos_sys_socket_common(struct proc *, register_t *, 736 int type); 737 static __inline__ int 738 sunos_sys_socket_common(p, retval, type) 739 struct proc *p; 740 register_t *retval; 741 int type; 742 { 743 struct socket *so; 744 struct file *fp; 745 int error, fd; 746 747 /* getsock() will use the descriptor for us */ 748 fd = (int)*retval; 749 if ((error = getsock(p->p_fd, fd, &fp)) == 0) { 750 so = (struct socket *)fp->f_data; 751 if (type == SOCK_DGRAM) 752 so->so_options |= SO_BROADCAST; 753 } 754 FILE_UNUSE(fp, p); 755 return (error); 756 } 757 758 int 759 sunos_sys_socket(p, v, retval) 760 struct proc *p; 761 void *v; 762 register_t *retval; 763 { 764 struct sunos_sys_socket_args /* { 765 syscallarg(int) domain; 766 syscallarg(int) type; 767 syscallarg(int) protocol; 768 } */ *uap = v; 769 int error; 770 771 error = sys_socket(p, v, retval); 772 if (error) 773 return (error); 774 return sunos_sys_socket_common(p, retval, SCARG(uap, type)); 775 } 776 777 int 778 sunos_sys_socketpair(p, v, retval) 779 struct proc *p; 780 void *v; 781 register_t *retval; 782 { 783 struct sunos_sys_socketpair_args /* { 784 syscallarg(int) domain; 785 syscallarg(int) type; 786 syscallarg(int) protocol; 787 syscallarg(int *) rsv; 788 } */ *uap = v; 789 int error; 790 791 error = sys_socketpair(p, v, retval); 792 if (error) 793 return (error); 794 return sunos_sys_socket_common(p, retval, SCARG(uap, type)); 795 } 796 797 /* 798 * XXX: This needs cleaning up. 799 */ 800 int 801 sunos_sys_auditsys(p, v, retval) 802 struct proc *p; 803 void *v; 804 register_t *retval; 805 { 806 return 0; 807 } 808 809 int 810 sunos_sys_uname(p, v, retval) 811 struct proc *p; 812 void *v; 813 register_t *retval; 814 { 815 struct sunos_sys_uname_args *uap = v; 816 struct sunos_utsname sut; 817 818 memset(&sut, 0, sizeof(sut)); 819 820 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 821 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 822 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 823 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 824 memcpy(sut.version, "1", sizeof(sut.version) - 1); 825 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 826 827 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 828 sizeof(struct sunos_utsname)); 829 } 830 831 int 832 sunos_sys_setpgrp(p, v, retval) 833 struct proc *p; 834 void *v; 835 register_t *retval; 836 { 837 struct sunos_sys_setpgrp_args *uap = v; 838 839 /* 840 * difference to our setpgid call is to include backwards 841 * compatibility to pre-setsid() binaries. Do setsid() 842 * instead of setpgid() in those cases where the process 843 * tries to create a new session the old way. 844 */ 845 if (!SCARG(uap, pgid) && 846 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 847 return sys_setsid(p, uap, retval); 848 else 849 return sys_setpgid(p, uap, retval); 850 } 851 852 int 853 sunos_sys_open(p, v, retval) 854 struct proc *p; 855 void *v; 856 register_t *retval; 857 { 858 struct sunos_sys_open_args *uap = v; 859 int l, r; 860 int noctty; 861 int ret; 862 863 caddr_t sg = stackgap_init(p, 0); 864 865 /* convert mode into NetBSD mode */ 866 l = SCARG(uap, flags); 867 noctty = l & 0x8000; 868 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 869 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 870 r |= ((l & 0x0080) ? O_SHLOCK : 0); 871 r |= ((l & 0x0100) ? O_EXLOCK : 0); 872 r |= ((l & 0x2000) ? O_FSYNC : 0); 873 874 if (r & O_CREAT) 875 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 876 else 877 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 878 879 SCARG(uap, flags) = r; 880 ret = sys_open(p, (struct sys_open_args *)uap, retval); 881 882 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 883 struct filedesc *fdp = p->p_fd; 884 struct file *fp; 885 886 fp = fd_getfile(fdp, *retval); 887 888 /* ignore any error, just give it a try */ 889 if (fp != NULL && fp->f_type == DTYPE_VNODE) 890 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 891 } 892 return ret; 893 } 894 895 #if defined (NFSSERVER) 896 int 897 sunos_sys_nfssvc(p, v, retval) 898 struct proc *p; 899 void *v; 900 register_t *retval; 901 { 902 #if 0 903 struct sunos_sys_nfssvc_args *uap = v; 904 struct emul *e = p->p_emul; 905 struct sys_nfssvc_args outuap; 906 struct sockaddr sa; 907 int error; 908 caddr_t sg = stackgap_init(p, 0); 909 910 memset(&outuap, 0, sizeof outuap); 911 SCARG(&outuap, fd) = SCARG(uap, fd); 912 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 913 SCARG(&outuap, msklen) = sizeof(sa); 914 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 915 SCARG(&outuap, mtchlen) = sizeof(sa); 916 917 memset(&sa, 0, sizeof sa); 918 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 919 return (error); 920 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 921 return (error); 922 923 return nfssvc(p, &outuap, retval); 924 #else 925 return (ENOSYS); 926 #endif 927 } 928 #endif /* NFSSERVER */ 929 930 int 931 sunos_sys_ustat(p, v, retval) 932 struct proc *p; 933 void *v; 934 register_t *retval; 935 { 936 struct sunos_sys_ustat_args *uap = v; 937 struct sunos_ustat us; 938 int error; 939 940 memset(&us, 0, sizeof us); 941 942 /* 943 * XXX: should set f_tfree and f_tinode at least 944 * How do we translate dev -> fstat? (and then to sunos_ustat) 945 */ 946 947 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 948 return (error); 949 return 0; 950 } 951 952 int 953 sunos_sys_quotactl(p, v, retval) 954 struct proc *p; 955 void *v; 956 register_t *retval; 957 { 958 959 return EINVAL; 960 } 961 962 int 963 sunos_sys_vhangup(p, v, retval) 964 struct proc *p; 965 void *v; 966 register_t *retval; 967 { 968 struct session *sp = p->p_session; 969 970 if (sp->s_ttyvp == 0) 971 return 0; 972 973 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 974 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 975 976 (void) ttywait(sp->s_ttyp); 977 if (sp->s_ttyvp) 978 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 979 if (sp->s_ttyvp) 980 vrele(sp->s_ttyvp); 981 sp->s_ttyvp = NULL; 982 983 return 0; 984 } 985 986 static int 987 sunstatfs(sp, buf) 988 struct statfs *sp; 989 caddr_t buf; 990 { 991 struct sunos_statfs ssfs; 992 993 memset(&ssfs, 0, sizeof ssfs); 994 ssfs.f_type = 0; 995 ssfs.f_bsize = sp->f_bsize; 996 ssfs.f_blocks = sp->f_blocks; 997 ssfs.f_bfree = sp->f_bfree; 998 ssfs.f_bavail = sp->f_bavail; 999 ssfs.f_files = sp->f_files; 1000 ssfs.f_ffree = sp->f_ffree; 1001 ssfs.f_fsid = sp->f_fsid; 1002 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 1003 } 1004 1005 int 1006 sunos_sys_statfs(p, v, retval) 1007 struct proc *p; 1008 void *v; 1009 register_t *retval; 1010 { 1011 struct sunos_sys_statfs_args *uap = v; 1012 struct mount *mp; 1013 struct statfs *sp; 1014 int error; 1015 struct nameidata nd; 1016 1017 caddr_t sg = stackgap_init(p, 0); 1018 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 1019 1020 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 1021 if ((error = namei(&nd)) != 0) 1022 return (error); 1023 mp = nd.ni_vp->v_mount; 1024 sp = &mp->mnt_stat; 1025 vrele(nd.ni_vp); 1026 if ((error = VFS_STATFS(mp, sp, p)) != 0) 1027 return (error); 1028 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 1029 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1030 } 1031 1032 int 1033 sunos_sys_fstatfs(p, v, retval) 1034 struct proc *p; 1035 void *v; 1036 register_t *retval; 1037 { 1038 struct sunos_sys_fstatfs_args *uap = v; 1039 struct file *fp; 1040 struct mount *mp; 1041 struct statfs *sp; 1042 int error; 1043 1044 /* getvnode() will use the descriptor for us */ 1045 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 1046 return (error); 1047 mp = ((struct vnode *)fp->f_data)->v_mount; 1048 sp = &mp->mnt_stat; 1049 if ((error = VFS_STATFS(mp, sp, p)) != 0) 1050 goto out; 1051 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 1052 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 1053 out: 1054 FILE_UNUSE(fp, p); 1055 return (error); 1056 } 1057 1058 int 1059 sunos_sys_exportfs(p, v, retval) 1060 struct proc *p; 1061 void *v; 1062 register_t *retval; 1063 { 1064 /* 1065 * XXX: should perhaps translate into a mount(2) 1066 * with MOUNT_EXPORT? 1067 */ 1068 return 0; 1069 } 1070 1071 int 1072 sunos_sys_mknod(p, v, retval) 1073 struct proc *p; 1074 void *v; 1075 register_t *retval; 1076 { 1077 struct sunos_sys_mknod_args *uap = v; 1078 1079 caddr_t sg = stackgap_init(p, 0); 1080 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1081 1082 if (S_ISFIFO(SCARG(uap, mode))) 1083 return sys_mkfifo(p, uap, retval); 1084 1085 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 1086 } 1087 1088 #define SUNOS_SC_ARG_MAX 1 1089 #define SUNOS_SC_CHILD_MAX 2 1090 #define SUNOS_SC_CLK_TCK 3 1091 #define SUNOS_SC_NGROUPS_MAX 4 1092 #define SUNOS_SC_OPEN_MAX 5 1093 #define SUNOS_SC_JOB_CONTROL 6 1094 #define SUNOS_SC_SAVED_IDS 7 1095 #define SUNOS_SC_VERSION 8 1096 1097 int 1098 sunos_sys_sysconf(p, v, retval) 1099 struct proc *p; 1100 void *v; 1101 register_t *retval; 1102 { 1103 struct sunos_sys_sysconf_args *uap = v; 1104 extern int maxfiles; 1105 1106 switch(SCARG(uap, name)) { 1107 case SUNOS_SC_ARG_MAX: 1108 *retval = ARG_MAX; 1109 break; 1110 case SUNOS_SC_CHILD_MAX: 1111 *retval = maxproc; 1112 break; 1113 case SUNOS_SC_CLK_TCK: 1114 *retval = 60; /* should this be `hz', ie. 100? */ 1115 break; 1116 case SUNOS_SC_NGROUPS_MAX: 1117 *retval = NGROUPS_MAX; 1118 break; 1119 case SUNOS_SC_OPEN_MAX: 1120 *retval = maxfiles; 1121 break; 1122 case SUNOS_SC_JOB_CONTROL: 1123 *retval = 1; 1124 break; 1125 case SUNOS_SC_SAVED_IDS: 1126 #ifdef _POSIX_SAVED_IDS 1127 *retval = 1; 1128 #else 1129 *retval = 0; 1130 #endif 1131 break; 1132 case SUNOS_SC_VERSION: 1133 *retval = 198808; 1134 break; 1135 default: 1136 return EINVAL; 1137 } 1138 return 0; 1139 } 1140 1141 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1142 #define SUNOS_RLIM_NLIMITS 7 1143 1144 int 1145 sunos_sys_getrlimit(p, v, retval) 1146 struct proc *p; 1147 void *v; 1148 register_t *retval; 1149 { 1150 struct sunos_sys_getrlimit_args *uap = v; 1151 1152 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1153 return EINVAL; 1154 1155 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1156 SCARG(uap, which) = RLIMIT_NOFILE; 1157 1158 return compat_43_sys_getrlimit(p, uap, retval); 1159 } 1160 1161 int 1162 sunos_sys_setrlimit(p, v, retval) 1163 struct proc *p; 1164 void *v; 1165 register_t *retval; 1166 { 1167 struct sunos_sys_getrlimit_args *uap = v; 1168 1169 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1170 return EINVAL; 1171 1172 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1173 SCARG(uap, which) = RLIMIT_NOFILE; 1174 1175 return compat_43_sys_setrlimit(p, uap, retval); 1176 } 1177 1178 /* for the m68k machines */ 1179 #ifndef PT_GETFPREGS 1180 #define PT_GETFPREGS -1 1181 #endif 1182 #ifndef PT_SETFPREGS 1183 #define PT_SETFPREGS -1 1184 #endif 1185 1186 static int sreq2breq[] = { 1187 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1188 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1189 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1190 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1191 }; 1192 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1193 1194 int 1195 sunos_sys_ptrace(p, v, retval) 1196 struct proc *p; 1197 void *v; 1198 register_t *retval; 1199 { 1200 struct sunos_sys_ptrace_args *uap = v; 1201 struct sys_ptrace_args pa; 1202 int req; 1203 1204 req = SCARG(uap, req); 1205 1206 if (req < 0 || req >= nreqs) 1207 return (EINVAL); 1208 1209 req = sreq2breq[req]; 1210 if (req == -1) 1211 return (EINVAL); 1212 1213 SCARG(&pa, req) = req; 1214 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1215 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1216 SCARG(&pa, data) = SCARG(uap, data); 1217 1218 return sys_ptrace(p, &pa, retval); 1219 } 1220 1221 /* 1222 * SunOS reboot system call (for compatibility). 1223 * Sun lets you pass in a boot string which the PROM 1224 * saves and provides to the next boot program. 1225 */ 1226 1227 #define SUNOS_RB_ASKNAME 0x001 1228 #define SUNOS_RB_SINGLE 0x002 1229 #define SUNOS_RB_NOSYNC 0x004 1230 #define SUNOS_RB_HALT 0x008 1231 #define SUNOS_RB_DUMP 0x080 1232 #define SUNOS_RB_STRING 0x200 1233 1234 static struct sunos_howto_conv { 1235 int sun_howto; 1236 int bsd_howto; 1237 } sunos_howto_conv[] = { 1238 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1239 { SUNOS_RB_SINGLE, RB_SINGLE }, 1240 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1241 { SUNOS_RB_HALT, RB_HALT }, 1242 { SUNOS_RB_DUMP, RB_DUMP }, 1243 { SUNOS_RB_STRING, RB_STRING }, 1244 { 0x000, 0 }, 1245 }; 1246 1247 int 1248 sunos_sys_reboot(p, v, retval) 1249 struct proc *p; 1250 void *v; 1251 register_t *retval; 1252 { 1253 struct sunos_sys_reboot_args *uap = v; 1254 struct sys_reboot_args ua; 1255 struct sunos_howto_conv *convp; 1256 int error, bsd_howto, sun_howto; 1257 char *bootstr; 1258 1259 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1260 return (error); 1261 1262 /* 1263 * Convert howto bits to BSD format. 1264 */ 1265 sun_howto = SCARG(uap, howto); 1266 bsd_howto = 0; 1267 convp = sunos_howto_conv; 1268 while (convp->sun_howto) { 1269 if (sun_howto & convp->sun_howto) 1270 bsd_howto |= convp->bsd_howto; 1271 convp++; 1272 } 1273 1274 /* 1275 * Sun RB_STRING (Get user supplied bootstring.) 1276 * If the machine supports passing a string to the 1277 * next booted kernel. 1278 */ 1279 if (sun_howto & SUNOS_RB_STRING) { 1280 char bs[128]; 1281 1282 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1283 1284 if (error) 1285 bootstr = NULL; 1286 else 1287 bootstr = bs; 1288 } else 1289 bootstr = NULL; 1290 1291 SCARG(&ua, opt) = bsd_howto; 1292 SCARG(&ua, bootstr) = bootstr; 1293 sys_reboot(p, &ua, retval); 1294 return(0); 1295 } 1296 1297 /* 1298 * Generalized interface signal handler, 4.3-compatible. 1299 */ 1300 /* ARGSUSED */ 1301 int 1302 sunos_sys_sigvec(p, v, retval) 1303 struct proc *p; 1304 void *v; 1305 register_t *retval; 1306 { 1307 struct sunos_sys_sigvec_args /* { 1308 syscallarg(int) signum; 1309 syscallarg(struct sigvec *) nsv; 1310 syscallarg(struct sigvec *) osv; 1311 } */ *uap = v; 1312 struct sigvec nsv, osv; 1313 struct sigaction nsa, osa; 1314 int error; 1315 /*XXX*/extern void compat_43_sigvec_to_sigaction 1316 __P((const struct sigvec *, struct sigaction *)); 1317 /*XXX*/extern void compat_43_sigaction_to_sigvec 1318 __P((const struct sigaction *, struct sigvec *)); 1319 1320 if (SCARG(uap, nsv)) { 1321 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1322 if (error != 0) 1323 return (error); 1324 1325 /* 1326 * SunOS uses the mask 0x0004 as SV_RESETHAND 1327 * meaning: `reset to SIG_DFL on delivery'. 1328 * We support only the bits in: 0xF 1329 * (those bits are the same as ours) 1330 */ 1331 if (nsv.sv_flags & ~0xF) 1332 return (EINVAL); 1333 1334 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1335 } 1336 error = sigaction1(p, SCARG(uap, signum), 1337 SCARG(uap, nsv) ? &nsa : 0, 1338 SCARG(uap, osv) ? &osa : 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