sunos_misc.c revision 1.108.2.1
1 /* $NetBSD: sunos_misc.c,v 1.108.2.1 2001/06/21 20:00:26 nathanw 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 #define COMPAT_SUNOS 1 57 58 #if defined(_KERNEL_OPT) 59 #include "opt_nfsserver.h" 60 #include "fs_nfs.h" 61 #endif 62 63 #include <sys/param.h> 64 #include <sys/systm.h> 65 #include <sys/namei.h> 66 #include <sys/proc.h> 67 #include <sys/dirent.h> 68 #include <sys/file.h> 69 #include <sys/stat.h> 70 #include <sys/filedesc.h> 71 #include <sys/ioctl.h> 72 #include <sys/kernel.h> 73 #include <sys/reboot.h> 74 #include <sys/malloc.h> 75 #include <sys/mbuf.h> 76 #include <sys/mman.h> 77 #include <sys/mount.h> 78 #include <sys/ptrace.h> 79 #include <sys/resource.h> 80 #include <sys/resourcevar.h> 81 #include <sys/signal.h> 82 #include <sys/signalvar.h> 83 #include <sys/socket.h> 84 #include <sys/tty.h> 85 #include <sys/vnode.h> 86 #include <sys/uio.h> 87 #include <sys/wait.h> 88 #include <sys/utsname.h> 89 #include <sys/unistd.h> 90 #include <sys/syscallargs.h> 91 #include <sys/conf.h> 92 #include <sys/socketvar.h> 93 #include <sys/exec.h> 94 #include <sys/swap.h> 95 96 #include <compat/sunos/sunos.h> 97 #include <compat/sunos/sunos_syscallargs.h> 98 #include <compat/common/compat_util.h> 99 #include <compat/sunos/sunos_dirent.h> 100 101 #include <netinet/in.h> 102 103 #include <miscfs/specfs/specdev.h> 104 105 #include <nfs/rpcv2.h> 106 #include <nfs/nfsproto.h> 107 #include <nfs/nfs.h> 108 #include <nfs/nfsmount.h> 109 110 static int sunstatfs __P((struct statfs *, caddr_t)); 111 112 int 113 sunos_sys_stime(p, v, retval) 114 struct proc *p; 115 void *v; 116 register_t *retval; 117 { 118 struct sunos_sys_stime_args *uap = v; 119 struct sys_settimeofday_args ap; 120 caddr_t sg = stackgap_init(p->p_emul); 121 struct timeval tv, *sgtvp; 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 SCARG(&ap, tv) = sgtvp = stackgap_alloc(&sg, sizeof(struct timeval)); 130 SCARG(&ap, tzp) = NULL; 131 132 error = copyout(&tv, sgtvp, sizeof(struct timeval)); 133 if (error) 134 return error; 135 136 return sys_settimeofday(p, &ap, retval); 137 } 138 139 int 140 sunos_sys_wait4(p, v, retval) 141 struct proc *p; 142 void *v; 143 register_t *retval; 144 { 145 struct sunos_sys_wait4_args *uap = v; 146 if (SCARG(uap, pid) == 0) 147 SCARG(uap, pid) = WAIT_ANY; 148 return (sys_wait4(p, uap, retval)); 149 } 150 151 int 152 sunos_sys_creat(p, v, retval) 153 struct proc *p; 154 void *v; 155 register_t *retval; 156 { 157 struct sunos_sys_creat_args *uap = v; 158 struct sys_open_args ouap; 159 160 caddr_t sg = stackgap_init(p->p_emul); 161 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 162 163 SCARG(&ouap, path) = SCARG(uap, path); 164 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 165 SCARG(&ouap, mode) = SCARG(uap, mode); 166 167 return (sys_open(p, &ouap, retval)); 168 } 169 170 int 171 sunos_sys_access(p, v, retval) 172 struct proc *p; 173 void *v; 174 register_t *retval; 175 { 176 struct sunos_sys_access_args *uap = v; 177 caddr_t sg = stackgap_init(p->p_emul); 178 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 179 180 return (sys_access(p, uap, retval)); 181 } 182 183 int 184 sunos_sys_stat(p, v, retval) 185 struct proc *p; 186 void *v; 187 register_t *retval; 188 { 189 struct sunos_sys_stat_args *uap = v; 190 caddr_t sg = stackgap_init(p->p_emul); 191 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 192 193 return (compat_43_sys_stat(p, uap, retval)); 194 } 195 196 int 197 sunos_sys_lstat(p, v, retval) 198 struct proc *p; 199 void *v; 200 register_t *retval; 201 { 202 struct sunos_sys_lstat_args *uap = v; 203 caddr_t sg = stackgap_init(p->p_emul); 204 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 205 206 return (compat_43_sys_lstat(p, uap, retval)); 207 } 208 209 int 210 sunos_sys_execv(p, v, retval) 211 struct proc *p; 212 void *v; 213 register_t *retval; 214 { 215 struct sunos_sys_execv_args /* { 216 syscallarg(const char *) path; 217 syscallarg(char **) argv; 218 } */ *uap = v; 219 struct sys_execve_args ap; 220 caddr_t sg; 221 222 sg = stackgap_init(p->p_emul); 223 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 224 225 SCARG(&ap, path) = SCARG(uap, path); 226 SCARG(&ap, argp) = SCARG(uap, argp); 227 SCARG(&ap, envp) = NULL; 228 229 return (sys_execve(p, &ap, retval)); 230 } 231 232 int 233 sunos_sys_execve(p, v, retval) 234 struct proc *p; 235 void *v; 236 register_t *retval; 237 { 238 struct sunos_sys_execve_args /* { 239 syscallarg(const char *) path; 240 syscallarg(char **) argv; 241 syscallarg(char **) envp; 242 } */ *uap = v; 243 struct sys_execve_args ap; 244 caddr_t sg; 245 246 sg = stackgap_init(p->p_emul); 247 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 248 249 SCARG(&ap, path) = SCARG(uap, path); 250 SCARG(&ap, argp) = SCARG(uap, argp); 251 SCARG(&ap, envp) = SCARG(uap, envp); 252 253 return (sys_execve(p, &ap, retval)); 254 } 255 256 int 257 sunos_sys_omsync(p, v, retval) 258 struct proc *p; 259 void *v; 260 register_t *retval; 261 { 262 struct sunos_sys_omsync_args *uap = v; 263 struct sys___msync13_args ouap; 264 265 SCARG(&ouap, addr) = SCARG(uap, addr); 266 SCARG(&ouap, len) = SCARG(uap, len); 267 SCARG(&ouap, flags) = SCARG(uap, flags); 268 269 return (sys___msync13(p, &ouap, retval)); 270 } 271 272 int 273 sunos_sys_unmount(p, v, retval) 274 struct proc *p; 275 void *v; 276 register_t *retval; 277 { 278 struct sunos_sys_unmount_args *uap = v; 279 struct sys_unmount_args ouap; 280 281 SCARG(&ouap, path) = SCARG(uap, path); 282 SCARG(&ouap, flags) = 0; 283 284 return (sys_unmount(p, &ouap, retval)); 285 } 286 287 /* 288 * Conversion table for SunOS NFS mount flags. 289 */ 290 static struct { 291 int sun_flg; 292 int bsd_flg; 293 } sunnfs_flgtab[] = { 294 { SUNNFS_SOFT, NFSMNT_SOFT }, 295 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 296 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 297 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 298 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 299 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 300 { SUNNFS_INT, NFSMNT_INT }, 301 { SUNNFS_NOAC, 0 }, /* Ignored */ 302 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 303 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 304 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 305 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 306 { SUNNFS_SECURE, 0 }, /* Ignored */ 307 { SUNNFS_NOCTO, 0 }, /* Ignored */ 308 { SUNNFS_POSIX, 0 } /* Ignored */ 309 }; 310 311 int 312 sunos_sys_mount(p, v, retval) 313 struct proc *p; 314 void *v; 315 register_t *retval; 316 { 317 struct sunos_sys_mount_args *uap = v; 318 int oflags = SCARG(uap, flags), nflags, error; 319 char fsname[MFSNAMELEN]; 320 caddr_t sg = stackgap_init(p->p_emul); 321 322 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 323 return (EINVAL); 324 if ((oflags & SUNM_NEWTYPE) == 0) 325 return (EINVAL); 326 nflags = 0; 327 if (oflags & SUNM_RDONLY) 328 nflags |= MNT_RDONLY; 329 if (oflags & SUNM_NOSUID) 330 nflags |= MNT_NOSUID; 331 if (oflags & SUNM_REMOUNT) 332 nflags |= MNT_UPDATE; 333 SCARG(uap, flags) = nflags; 334 335 error = copyinstr((caddr_t)SCARG(uap, type), fsname, 336 sizeof fsname, (size_t *)0); 337 if (error) 338 return (error); 339 340 if (strncmp(fsname, "4.2", sizeof fsname) == 0) { 341 SCARG(uap, type) = stackgap_alloc(&sg, sizeof("ffs")); 342 error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); 343 if (error) 344 return (error); 345 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 346 struct sunos_nfs_args sna; 347 struct sockaddr_in sain; 348 struct nfs_args na; 349 struct sockaddr sa; 350 int n; 351 352 error = copyin(SCARG(uap, data), &sna, sizeof sna); 353 if (error) 354 return (error); 355 error = copyin(sna.addr, &sain, sizeof sain); 356 if (error) 357 return (error); 358 memcpy(&sa, &sain, sizeof sa); 359 sa.sa_len = sizeof(sain); 360 SCARG(uap, data) = stackgap_alloc(&sg, sizeof(na)); 361 na.version = NFS_ARGSVERSION; 362 na.addr = stackgap_alloc(&sg, sizeof(struct sockaddr)); 363 na.addrlen = sizeof(struct sockaddr); 364 na.sotype = SOCK_DGRAM; 365 na.proto = IPPROTO_UDP; 366 na.fh = (void *)sna.fh; 367 na.fhsize = NFSX_V2FH; 368 na.flags = 0; 369 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 370 while (--n >= 0) 371 if (sna.flags & sunnfs_flgtab[n].sun_flg) 372 na.flags |= sunnfs_flgtab[n].bsd_flg; 373 na.wsize = sna.wsize; 374 na.rsize = sna.rsize; 375 if (na.flags & NFSMNT_RSIZE) { 376 na.flags |= NFSMNT_READDIRSIZE; 377 na.readdirsize = na.rsize; 378 } 379 na.timeo = sna.timeo; 380 na.retrans = sna.retrans; 381 na.hostname = (char *)(u_long)sna.hostname; 382 383 error = copyout(&sa, na.addr, sizeof sa); 384 if (error) 385 return (error); 386 error = copyout(&na, SCARG(uap, data), sizeof na); 387 if (error) 388 return (error); 389 } 390 return (sys_mount(p, (struct sys_mount_args *)uap, retval)); 391 } 392 393 #if defined(NFS) 394 int 395 async_daemon(p, v, retval) 396 struct proc *p; 397 void *v; 398 register_t *retval; 399 { 400 struct sys_nfssvc_args ouap; 401 402 SCARG(&ouap, flag) = NFSSVC_BIOD; 403 SCARG(&ouap, argp) = NULL; 404 405 return (sys_nfssvc(p, &ouap, retval)); 406 } 407 #endif /* NFS */ 408 409 void native_to_sunos_sigset __P((const sigset_t *, int *)); 410 void sunos_to_native_sigset __P((const int, sigset_t *)); 411 412 __inline__ void 413 native_to_sunos_sigset(ss, mask) 414 const sigset_t *ss; 415 int *mask; 416 { 417 *mask = ss->__bits[0]; 418 } 419 420 __inline__ void 421 sunos_to_native_sigset(mask, ss) 422 const int mask; 423 sigset_t *ss; 424 { 425 426 ss->__bits[0] = mask; 427 ss->__bits[1] = 0; 428 ss->__bits[2] = 0; 429 ss->__bits[3] = 0; 430 } 431 432 int 433 sunos_sys_sigpending(p, v, retval) 434 struct proc *p; 435 void *v; 436 register_t *retval; 437 { 438 struct sunos_sys_sigpending_args *uap = v; 439 sigset_t ss; 440 int mask; 441 442 sigpending1(p, &ss); 443 native_to_sunos_sigset(&ss, &mask); 444 445 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 446 } 447 448 int 449 sunos_sys_sigsuspend(p, v, retval) 450 struct proc *p; 451 void *v; 452 register_t *retval; 453 { 454 struct sunos_sys_sigsuspend_args /* { 455 syscallarg(int) mask; 456 } */ *uap = v; 457 int mask; 458 sigset_t ss; 459 460 mask = SCARG(uap, mask); 461 sunos_to_native_sigset(mask, &ss); 462 return (sigsuspend1(p, &ss)); 463 } 464 465 /* 466 * Read Sun-style directory entries. We suck them into kernel space so 467 * that they can be massaged before being copied out to user code. Like 468 * SunOS, we squish out `empty' entries. 469 * 470 * This is quite ugly, but what do you expect from compatibility code? 471 */ 472 int 473 sunos_sys_getdents(p, v, retval) 474 struct proc *p; 475 void *v; 476 register_t *retval; 477 { 478 struct sunos_sys_getdents_args *uap = v; 479 struct dirent *bdp; 480 struct vnode *vp; 481 caddr_t inp, buf; /* BSD-format */ 482 int len, reclen; /* BSD-format */ 483 caddr_t outp; /* Sun-format */ 484 int resid, sunos_reclen;/* Sun-format */ 485 struct file *fp; 486 struct uio auio; 487 struct iovec aiov; 488 struct sunos_dirent idb; 489 off_t off; /* true file offset */ 490 int buflen, error, eofflag; 491 off_t *cookiebuf, *cookie; 492 int ncookies; 493 494 /* getvnode() will use the descriptor for us */ 495 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 496 return (error); 497 498 if ((fp->f_flag & FREAD) == 0) { 499 error = EBADF; 500 goto out1; 501 } 502 503 vp = (struct vnode *)fp->f_data; 504 if (vp->v_type != VDIR) { 505 error = EINVAL; 506 goto out1; 507 } 508 509 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 510 buf = malloc(buflen, M_TEMP, M_WAITOK); 511 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 512 off = fp->f_offset; 513 again: 514 aiov.iov_base = buf; 515 aiov.iov_len = buflen; 516 auio.uio_iov = &aiov; 517 auio.uio_iovcnt = 1; 518 auio.uio_rw = UIO_READ; 519 auio.uio_segflg = UIO_SYSSPACE; 520 auio.uio_procp = p; 521 auio.uio_resid = buflen; 522 auio.uio_offset = off; 523 /* 524 * First we read into the malloc'ed buffer, then 525 * we massage it into user space, one record at a time. 526 */ 527 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 528 &ncookies); 529 if (error) 530 goto out; 531 532 inp = buf; 533 outp = SCARG(uap, buf); 534 resid = SCARG(uap, nbytes); 535 if ((len = buflen - auio.uio_resid) == 0) 536 goto eof; 537 538 for (cookie = cookiebuf; len > 0; len -= reclen) { 539 bdp = (struct dirent *)inp; 540 reclen = bdp->d_reclen; 541 if (reclen & 3) 542 panic("sunos_getdents"); 543 if ((*cookie >> 32) != 0) { 544 compat_offseterr(vp, "sunos_getdents"); 545 error = EINVAL; 546 goto out; 547 } 548 if (bdp->d_fileno == 0) { 549 inp += reclen; /* it is a hole; squish it out */ 550 off = *cookie++; 551 continue; 552 } 553 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 554 if (reclen > len || resid < sunos_reclen) { 555 /* entry too big for buffer, so just stop */ 556 outp++; 557 break; 558 } 559 off = *cookie++; /* each entry points to next */ 560 /* 561 * Massage in place to make a Sun-shaped dirent (otherwise 562 * we have to worry about touching user memory outside of 563 * the copyout() call). 564 */ 565 idb.d_fileno = bdp->d_fileno; 566 idb.d_off = off; 567 idb.d_reclen = sunos_reclen; 568 idb.d_namlen = bdp->d_namlen; 569 strcpy(idb.d_name, bdp->d_name); 570 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) 571 goto out; 572 /* advance past this real entry */ 573 inp += reclen; 574 /* advance output past Sun-shaped entry */ 575 outp += sunos_reclen; 576 resid -= sunos_reclen; 577 } 578 579 /* if we squished out the whole block, try again */ 580 if (outp == SCARG(uap, buf)) 581 goto again; 582 fp->f_offset = off; /* update the vnode offset */ 583 584 eof: 585 *retval = SCARG(uap, nbytes) - resid; 586 out: 587 VOP_UNLOCK(vp, 0); 588 free(cookiebuf, M_TEMP); 589 free(buf, M_TEMP); 590 out1: 591 FILE_UNUSE(fp, p); 592 return (error); 593 } 594 595 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 596 597 int 598 sunos_sys_mmap(p, v, retval) 599 struct proc *p; 600 void *v; 601 register_t *retval; 602 { 603 struct sunos_sys_mmap_args *uap = v; 604 struct sys_mmap_args ouap; 605 struct filedesc *fdp; 606 struct file *fp; 607 struct vnode *vp; 608 609 /* 610 * Verify the arguments. 611 */ 612 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 613 return (EINVAL); /* XXX still needed? */ 614 615 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 616 return (EINVAL); 617 618 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 619 SCARG(&ouap, addr) = SCARG(uap, addr); 620 621 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 622 SCARG(&ouap, addr) != 0 && 623 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 624 SCARG(&ouap, addr) = (caddr_t)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 625 626 SCARG(&ouap, len) = SCARG(uap, len); 627 SCARG(&ouap, prot) = SCARG(uap, prot); 628 SCARG(&ouap, fd) = SCARG(uap, fd); 629 SCARG(&ouap, pos) = SCARG(uap, pos); 630 631 /* 632 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 633 */ 634 fdp = p->p_fd; 635 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 636 fp->f_type == DTYPE_VNODE && /*XXX*/ 637 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 638 iszerodev(vp->v_rdev)) { /*XXX*/ 639 SCARG(&ouap, flags) |= MAP_ANON; 640 SCARG(&ouap, fd) = -1; 641 } 642 643 return (sys_mmap(p, &ouap, retval)); 644 } 645 646 #define MC_SYNC 1 647 #define MC_LOCK 2 648 #define MC_UNLOCK 3 649 #define MC_ADVISE 4 650 #define MC_LOCKAS 5 651 #define MC_UNLOCKAS 6 652 653 int 654 sunos_sys_mctl(p, v, retval) 655 struct proc *p; 656 void *v; 657 register_t *retval; 658 { 659 struct sunos_sys_mctl_args *uap = v; 660 661 switch (SCARG(uap, func)) { 662 case MC_ADVISE: /* ignore for now */ 663 return (0); 664 case MC_SYNC: /* translate to msync */ 665 return (sys___msync13(p, uap, retval)); 666 default: 667 return (EINVAL); 668 } 669 } 670 671 int 672 sunos_sys_setsockopt(p, v, retval) 673 struct proc *p; 674 void *v; 675 register_t *retval; 676 { 677 struct sunos_sys_setsockopt_args *uap = v; 678 struct file *fp; 679 struct mbuf *m = NULL; 680 int error; 681 682 /* getsock() will use the descriptor for us */ 683 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 684 return (error); 685 #define SO_DONTLINGER (~SO_LINGER) 686 if (SCARG(uap, name) == SO_DONTLINGER) { 687 m = m_get(M_WAIT, MT_SOOPTS); 688 mtod(m, struct linger *)->l_onoff = 0; 689 m->m_len = sizeof(struct linger); 690 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 691 SO_LINGER, m); 692 goto out; 693 } 694 if (SCARG(uap, level) == IPPROTO_IP) { 695 #define SUNOS_IP_MULTICAST_IF 2 696 #define SUNOS_IP_MULTICAST_TTL 3 697 #define SUNOS_IP_MULTICAST_LOOP 4 698 #define SUNOS_IP_ADD_MEMBERSHIP 5 699 #define SUNOS_IP_DROP_MEMBERSHIP 6 700 static int ipoptxlat[] = { 701 IP_MULTICAST_IF, 702 IP_MULTICAST_TTL, 703 IP_MULTICAST_LOOP, 704 IP_ADD_MEMBERSHIP, 705 IP_DROP_MEMBERSHIP 706 }; 707 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 708 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 709 SCARG(uap, name) = 710 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 711 } 712 } 713 if (SCARG(uap, valsize) > MLEN) { 714 error = EINVAL; 715 goto out; 716 } 717 if (SCARG(uap, val)) { 718 m = m_get(M_WAIT, MT_SOOPTS); 719 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 720 (u_int)SCARG(uap, valsize)); 721 if (error) { 722 (void) m_free(m); 723 goto out; 724 } 725 m->m_len = SCARG(uap, valsize); 726 } 727 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 728 SCARG(uap, name), m); 729 out: 730 FILE_UNUSE(fp, p); 731 return (error); 732 } 733 734 /* 735 * XXX: This needs cleaning up. 736 */ 737 int 738 sunos_sys_auditsys(p, v, retval) 739 struct proc *p; 740 void *v; 741 register_t *retval; 742 { 743 return 0; 744 } 745 746 int 747 sunos_sys_uname(p, v, retval) 748 struct proc *p; 749 void *v; 750 register_t *retval; 751 { 752 struct sunos_sys_uname_args *uap = v; 753 struct sunos_utsname sut; 754 755 memset(&sut, 0, sizeof(sut)); 756 757 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 758 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 759 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 760 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 761 memcpy(sut.version, "1", sizeof(sut.version) - 1); 762 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 763 764 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 765 sizeof(struct sunos_utsname)); 766 } 767 768 int 769 sunos_sys_setpgrp(p, v, retval) 770 struct proc *p; 771 void *v; 772 register_t *retval; 773 { 774 struct sunos_sys_setpgrp_args *uap = v; 775 776 /* 777 * difference to our setpgid call is to include backwards 778 * compatibility to pre-setsid() binaries. Do setsid() 779 * instead of setpgid() in those cases where the process 780 * tries to create a new session the old way. 781 */ 782 if (!SCARG(uap, pgid) && 783 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 784 return sys_setsid(p, uap, retval); 785 else 786 return sys_setpgid(p, uap, retval); 787 } 788 789 int 790 sunos_sys_open(p, v, retval) 791 struct proc *p; 792 void *v; 793 register_t *retval; 794 { 795 struct sunos_sys_open_args *uap = v; 796 int l, r; 797 int noctty; 798 int ret; 799 800 caddr_t sg = stackgap_init(p->p_emul); 801 802 /* convert mode into NetBSD mode */ 803 l = SCARG(uap, flags); 804 noctty = l & 0x8000; 805 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 806 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 807 r |= ((l & 0x0080) ? O_SHLOCK : 0); 808 r |= ((l & 0x0100) ? O_EXLOCK : 0); 809 r |= ((l & 0x2000) ? O_FSYNC : 0); 810 811 if (r & O_CREAT) 812 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 813 else 814 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 815 816 SCARG(uap, flags) = r; 817 ret = sys_open(p, (struct sys_open_args *)uap, retval); 818 819 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 820 struct filedesc *fdp = p->p_fd; 821 struct file *fp; 822 823 fp = fd_getfile(fdp, *retval); 824 825 /* ignore any error, just give it a try */ 826 if (fp != NULL && fp->f_type == DTYPE_VNODE) 827 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 828 } 829 return ret; 830 } 831 832 #if defined (NFSSERVER) 833 int 834 sunos_sys_nfssvc(p, v, retval) 835 struct proc *p; 836 void *v; 837 register_t *retval; 838 { 839 #if 0 840 struct sunos_sys_nfssvc_args *uap = v; 841 struct emul *e = p->p_emul; 842 struct sys_nfssvc_args outuap; 843 struct sockaddr sa; 844 int error; 845 caddr_t sg = stackgap_init(p->p_emul); 846 847 memset(&outuap, 0, sizeof outuap); 848 SCARG(&outuap, fd) = SCARG(uap, fd); 849 SCARG(&outuap, mskval) = stackgap_alloc(&sg, sizeof(sa)); 850 SCARG(&outuap, msklen) = sizeof(sa); 851 SCARG(&outuap, mtchval) = stackgap_alloc(&sg, sizeof(sa)); 852 SCARG(&outuap, mtchlen) = sizeof(sa); 853 854 memset(&sa, 0, sizeof sa); 855 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 856 return (error); 857 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 858 return (error); 859 860 return nfssvc(p, &outuap, retval); 861 #else 862 return (ENOSYS); 863 #endif 864 } 865 #endif /* NFSSERVER */ 866 867 int 868 sunos_sys_ustat(p, v, retval) 869 struct proc *p; 870 void *v; 871 register_t *retval; 872 { 873 struct sunos_sys_ustat_args *uap = v; 874 struct sunos_ustat us; 875 int error; 876 877 memset(&us, 0, sizeof us); 878 879 /* 880 * XXX: should set f_tfree and f_tinode at least 881 * How do we translate dev -> fstat? (and then to sunos_ustat) 882 */ 883 884 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 885 return (error); 886 return 0; 887 } 888 889 int 890 sunos_sys_quotactl(p, v, retval) 891 struct proc *p; 892 void *v; 893 register_t *retval; 894 { 895 896 return EINVAL; 897 } 898 899 int 900 sunos_sys_vhangup(p, v, retval) 901 struct proc *p; 902 void *v; 903 register_t *retval; 904 { 905 struct session *sp = p->p_session; 906 907 if (sp->s_ttyvp == 0) 908 return 0; 909 910 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 911 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 912 913 (void) ttywait(sp->s_ttyp); 914 if (sp->s_ttyvp) 915 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 916 if (sp->s_ttyvp) 917 vrele(sp->s_ttyvp); 918 sp->s_ttyvp = NULL; 919 920 return 0; 921 } 922 923 static int 924 sunstatfs(sp, buf) 925 struct statfs *sp; 926 caddr_t buf; 927 { 928 struct sunos_statfs ssfs; 929 930 memset(&ssfs, 0, sizeof ssfs); 931 ssfs.f_type = 0; 932 ssfs.f_bsize = sp->f_bsize; 933 ssfs.f_blocks = sp->f_blocks; 934 ssfs.f_bfree = sp->f_bfree; 935 ssfs.f_bavail = sp->f_bavail; 936 ssfs.f_files = sp->f_files; 937 ssfs.f_ffree = sp->f_ffree; 938 ssfs.f_fsid = sp->f_fsid; 939 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 940 } 941 942 int 943 sunos_sys_statfs(p, v, retval) 944 struct proc *p; 945 void *v; 946 register_t *retval; 947 { 948 struct sunos_sys_statfs_args *uap = v; 949 struct mount *mp; 950 struct statfs *sp; 951 int error; 952 struct nameidata nd; 953 954 caddr_t sg = stackgap_init(p->p_emul); 955 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); 956 957 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 958 if ((error = namei(&nd)) != 0) 959 return (error); 960 mp = nd.ni_vp->v_mount; 961 sp = &mp->mnt_stat; 962 vrele(nd.ni_vp); 963 if ((error = VFS_STATFS(mp, sp, p)) != 0) 964 return (error); 965 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 966 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 967 } 968 969 int 970 sunos_sys_fstatfs(p, v, retval) 971 struct proc *p; 972 void *v; 973 register_t *retval; 974 { 975 struct sunos_sys_fstatfs_args *uap = v; 976 struct file *fp; 977 struct mount *mp; 978 struct statfs *sp; 979 int error; 980 981 /* getvnode() will use the descriptor for us */ 982 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 983 return (error); 984 mp = ((struct vnode *)fp->f_data)->v_mount; 985 sp = &mp->mnt_stat; 986 if ((error = VFS_STATFS(mp, sp, p)) != 0) 987 goto out; 988 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 989 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 990 out: 991 FILE_UNUSE(fp, p); 992 return (error); 993 } 994 995 int 996 sunos_sys_exportfs(p, v, retval) 997 struct proc *p; 998 void *v; 999 register_t *retval; 1000 { 1001 /* 1002 * XXX: should perhaps translate into a mount(2) 1003 * with MOUNT_EXPORT? 1004 */ 1005 return 0; 1006 } 1007 1008 int 1009 sunos_sys_mknod(p, v, retval) 1010 struct proc *p; 1011 void *v; 1012 register_t *retval; 1013 { 1014 struct sunos_sys_mknod_args *uap = v; 1015 1016 caddr_t sg = stackgap_init(p->p_emul); 1017 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path)); 1018 1019 if (S_ISFIFO(SCARG(uap, mode))) 1020 return sys_mkfifo(p, uap, retval); 1021 1022 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 1023 } 1024 1025 #define SUNOS_SC_ARG_MAX 1 1026 #define SUNOS_SC_CHILD_MAX 2 1027 #define SUNOS_SC_CLK_TCK 3 1028 #define SUNOS_SC_NGROUPS_MAX 4 1029 #define SUNOS_SC_OPEN_MAX 5 1030 #define SUNOS_SC_JOB_CONTROL 6 1031 #define SUNOS_SC_SAVED_IDS 7 1032 #define SUNOS_SC_VERSION 8 1033 1034 int 1035 sunos_sys_sysconf(p, v, retval) 1036 struct proc *p; 1037 void *v; 1038 register_t *retval; 1039 { 1040 struct sunos_sys_sysconf_args *uap = v; 1041 extern int maxfiles; 1042 1043 switch(SCARG(uap, name)) { 1044 case SUNOS_SC_ARG_MAX: 1045 *retval = ARG_MAX; 1046 break; 1047 case SUNOS_SC_CHILD_MAX: 1048 *retval = maxproc; 1049 break; 1050 case SUNOS_SC_CLK_TCK: 1051 *retval = 60; /* should this be `hz', ie. 100? */ 1052 break; 1053 case SUNOS_SC_NGROUPS_MAX: 1054 *retval = NGROUPS_MAX; 1055 break; 1056 case SUNOS_SC_OPEN_MAX: 1057 *retval = maxfiles; 1058 break; 1059 case SUNOS_SC_JOB_CONTROL: 1060 *retval = 1; 1061 break; 1062 case SUNOS_SC_SAVED_IDS: 1063 #ifdef _POSIX_SAVED_IDS 1064 *retval = 1; 1065 #else 1066 *retval = 0; 1067 #endif 1068 break; 1069 case SUNOS_SC_VERSION: 1070 *retval = 198808; 1071 break; 1072 default: 1073 return EINVAL; 1074 } 1075 return 0; 1076 } 1077 1078 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1079 #define SUNOS_RLIM_NLIMITS 7 1080 1081 int 1082 sunos_sys_getrlimit(p, v, retval) 1083 struct proc *p; 1084 void *v; 1085 register_t *retval; 1086 { 1087 struct sunos_sys_getrlimit_args *uap = v; 1088 1089 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1090 return EINVAL; 1091 1092 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1093 SCARG(uap, which) = RLIMIT_NOFILE; 1094 1095 return compat_43_sys_getrlimit(p, uap, retval); 1096 } 1097 1098 int 1099 sunos_sys_setrlimit(p, v, retval) 1100 struct proc *p; 1101 void *v; 1102 register_t *retval; 1103 { 1104 struct sunos_sys_getrlimit_args *uap = v; 1105 1106 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1107 return EINVAL; 1108 1109 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1110 SCARG(uap, which) = RLIMIT_NOFILE; 1111 1112 return compat_43_sys_setrlimit(p, uap, retval); 1113 } 1114 1115 /* for the m68k machines */ 1116 #ifndef PT_GETFPREGS 1117 #define PT_GETFPREGS -1 1118 #endif 1119 #ifndef PT_SETFPREGS 1120 #define PT_SETFPREGS -1 1121 #endif 1122 1123 static int sreq2breq[] = { 1124 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1125 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1126 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1127 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1128 }; 1129 static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1130 1131 int 1132 sunos_sys_ptrace(p, v, retval) 1133 struct proc *p; 1134 void *v; 1135 register_t *retval; 1136 { 1137 struct sunos_sys_ptrace_args *uap = v; 1138 struct sys_ptrace_args pa; 1139 int req; 1140 1141 req = SCARG(uap, req); 1142 1143 if (req < 0 || req >= nreqs) 1144 return (EINVAL); 1145 1146 req = sreq2breq[req]; 1147 if (req == -1) 1148 return (EINVAL); 1149 1150 SCARG(&pa, req) = req; 1151 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1152 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); 1153 SCARG(&pa, data) = SCARG(uap, data); 1154 1155 return sys_ptrace(p, &pa, retval); 1156 } 1157 1158 /* 1159 * SunOS reboot system call (for compatibility). 1160 * Sun lets you pass in a boot string which the PROM 1161 * saves and provides to the next boot program. 1162 */ 1163 1164 #define SUNOS_RB_ASKNAME 0x001 1165 #define SUNOS_RB_SINGLE 0x002 1166 #define SUNOS_RB_NOSYNC 0x004 1167 #define SUNOS_RB_HALT 0x008 1168 #define SUNOS_RB_DUMP 0x080 1169 #define SUNOS_RB_STRING 0x200 1170 1171 static struct sunos_howto_conv { 1172 int sun_howto; 1173 int bsd_howto; 1174 } sunos_howto_conv[] = { 1175 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1176 { SUNOS_RB_SINGLE, RB_SINGLE }, 1177 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1178 { SUNOS_RB_HALT, RB_HALT }, 1179 { SUNOS_RB_DUMP, RB_DUMP }, 1180 { SUNOS_RB_STRING, RB_STRING }, 1181 { 0x000, 0 }, 1182 }; 1183 1184 int 1185 sunos_sys_reboot(p, v, retval) 1186 struct proc *p; 1187 void *v; 1188 register_t *retval; 1189 { 1190 struct sunos_sys_reboot_args *uap = v; 1191 struct sys_reboot_args ua; 1192 struct sunos_howto_conv *convp; 1193 int error, bsd_howto, sun_howto; 1194 char *bootstr; 1195 1196 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 1197 return (error); 1198 1199 /* 1200 * Convert howto bits to BSD format. 1201 */ 1202 sun_howto = SCARG(uap, howto); 1203 bsd_howto = 0; 1204 convp = sunos_howto_conv; 1205 while (convp->sun_howto) { 1206 if (sun_howto & convp->sun_howto) 1207 bsd_howto |= convp->bsd_howto; 1208 convp++; 1209 } 1210 1211 /* 1212 * Sun RB_STRING (Get user supplied bootstring.) 1213 * If the machine supports passing a string to the 1214 * next booted kernel. 1215 */ 1216 if (sun_howto & SUNOS_RB_STRING) { 1217 char bs[128]; 1218 1219 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1220 1221 if (error) 1222 bootstr = NULL; 1223 else 1224 bootstr = bs; 1225 } else 1226 bootstr = NULL; 1227 1228 SCARG(&ua, opt) = bsd_howto; 1229 SCARG(&ua, bootstr) = bootstr; 1230 sys_reboot(p, &ua, retval); 1231 return(0); 1232 } 1233 1234 /* 1235 * Generalized interface signal handler, 4.3-compatible. 1236 */ 1237 /* ARGSUSED */ 1238 int 1239 sunos_sys_sigvec(p, v, retval) 1240 struct proc *p; 1241 void *v; 1242 register_t *retval; 1243 { 1244 struct sunos_sys_sigvec_args /* { 1245 syscallarg(int) signum; 1246 syscallarg(struct sigvec *) nsv; 1247 syscallarg(struct sigvec *) osv; 1248 } */ *uap = v; 1249 struct sigvec nsv, osv; 1250 struct sigaction nsa, osa; 1251 int error; 1252 /*XXX*/extern void compat_43_sigvec_to_sigaction 1253 __P((const struct sigvec *, struct sigaction *)); 1254 /*XXX*/extern void compat_43_sigaction_to_sigvec 1255 __P((const struct sigaction *, struct sigvec *)); 1256 1257 if (SCARG(uap, nsv)) { 1258 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1259 if (error != 0) 1260 return (error); 1261 1262 /* 1263 * SunOS uses the mask 0x0004 as SV_RESETHAND 1264 * meaning: `reset to SIG_DFL on delivery'. 1265 * We support only the bits in: 0xF 1266 * (those bits are the same as ours) 1267 */ 1268 if (nsv.sv_flags & ~0xF) 1269 return (EINVAL); 1270 1271 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1272 } 1273 error = sigaction1(p, SCARG(uap, signum), 1274 SCARG(uap, nsv) ? &nsa : 0, 1275 SCARG(uap, osv) ? &osa : 0); 1276 if (error != 0) 1277 return (error); 1278 1279 if (SCARG(uap, osv)) { 1280 compat_43_sigaction_to_sigvec(&osa, &osv); 1281 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1282 if (error != 0) 1283 return (error); 1284 } 1285 1286 return (0); 1287 } 1288
Indexes created Tue Oct 14 11:09:46 GMT 2025