sunos_misc.c revision 1.152.4.2
1 /* $NetBSD: sunos_misc.c,v 1.152.4.2 2007/12/27 00:44:32 mjf Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 41 * 42 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 43 */ 44 45 /* 46 * SunOS compatibility module. 47 * 48 * SunOS system calls that are implemented differently in BSD are 49 * handled here. 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.152.4.2 2007/12/27 00:44:32 mjf Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "opt_ptrace.h" 58 #include "fs_nfs.h" 59 #endif 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscall.h> 89 #include <sys/syscallargs.h> 90 #include <sys/conf.h> 91 #include <sys/socketvar.h> 92 #include <sys/exec.h> 93 #include <sys/swap.h> 94 #include <sys/kauth.h> 95 96 #include <compat/sys/signal.h> 97 98 #include <compat/sunos/sunos.h> 99 #include <compat/sunos/sunos_syscallargs.h> 100 #include <compat/common/compat_util.h> 101 #include <compat/sunos/sunos_dirent.h> 102 #include <compat/sys/mount.h> 103 104 #include <netinet/in.h> 105 106 #include <miscfs/specfs/specdev.h> 107 108 #include <nfs/rpcv2.h> 109 #include <nfs/nfsproto.h> 110 #include <nfs/nfs.h> 111 #include <nfs/nfsmount.h> 112 113 static int sunstatfs(struct statvfs *, void *); 114 115 int 116 sunos_sys_stime(struct lwp *l, const struct sunos_sys_stime_args *uap, register_t *retval) 117 { 118 struct timeval tv; 119 int error; 120 121 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 122 if (error) 123 return error; 124 tv.tv_usec = 0; 125 126 return settimeofday1(&tv, false, NULL, l, true); 127 } 128 129 int 130 sunos_sys_wait4(struct lwp *l, const struct sunos_sys_wait4_args *uap, register_t *retval) 131 { 132 struct sys_wait4_args bsd_ua; 133 134 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 135 SCARG(&bsd_ua, status) = SCARG(uap, status); 136 SCARG(&bsd_ua, options) = SCARG(uap, options); 137 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 138 139 return (sys_wait4(l, &bsd_ua, retval)); 140 } 141 142 int 143 sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) 144 { 145 struct sys_open_args ouap; 146 147 SCARG(&ouap, path) = SCARG(uap, path); 148 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 149 SCARG(&ouap, mode) = SCARG(uap, mode); 150 151 return (sys_open(l, &ouap, retval)); 152 } 153 154 int 155 sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) 156 { 157 /* { 158 syscallarg(const char *) path; 159 syscallarg(char **) argv; 160 } */ 161 struct sys_execve_args ap; 162 163 SCARG(&ap, path) = SCARG(uap, path); 164 SCARG(&ap, argp) = SCARG(uap, argp); 165 SCARG(&ap, envp) = NULL; 166 167 return (sys_execve(l, &ap, retval)); 168 } 169 170 int 171 sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) 172 { 173 /* { 174 syscallarg(const char *) path; 175 syscallarg(char **) argv; 176 syscallarg(char **) envp; 177 } */ 178 struct sys_execve_args ap; 179 180 SCARG(&ap, path) = SCARG(uap, path); 181 SCARG(&ap, argp) = SCARG(uap, argp); 182 SCARG(&ap, envp) = SCARG(uap, envp); 183 184 return (sys_execve(l, &ap, retval)); 185 } 186 187 int 188 sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) 189 { 190 struct sys___msync13_args ouap; 191 192 SCARG(&ouap, addr) = SCARG(uap, addr); 193 SCARG(&ouap, len) = SCARG(uap, len); 194 SCARG(&ouap, flags) = SCARG(uap, flags); 195 196 return (sys___msync13(l, &ouap, retval)); 197 } 198 199 int 200 sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) 201 { 202 struct sys_unmount_args ouap; 203 204 SCARG(&ouap, path) = SCARG(uap, path); 205 SCARG(&ouap, flags) = 0; 206 207 return (sys_unmount(l, &ouap, retval)); 208 } 209 210 /* 211 * Conversion table for SunOS NFS mount flags. 212 */ 213 static struct { 214 int sun_flg; 215 int bsd_flg; 216 } sunnfs_flgtab[] = { 217 { SUNNFS_SOFT, NFSMNT_SOFT }, 218 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 219 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 220 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 221 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 222 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 223 { SUNNFS_INT, NFSMNT_INT }, 224 { SUNNFS_NOAC, 0 }, /* Ignored */ 225 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 226 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 227 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 228 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 229 { SUNNFS_SECURE, 0 }, /* Ignored */ 230 { SUNNFS_NOCTO, 0 }, /* Ignored */ 231 { SUNNFS_POSIX, 0 } /* Ignored */ 232 }; 233 234 int 235 sunos_sys_mount(struct lwp *l, const struct sunos_sys_mount_args *uap, register_t *retval) 236 { 237 int oflags = SCARG(uap, flags), nflags, error; 238 char fsname[MFSNAMELEN]; 239 register_t dummy; 240 241 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 242 return (EINVAL); 243 if ((oflags & SUNM_NEWTYPE) == 0) 244 return (EINVAL); 245 nflags = 0; 246 if (oflags & SUNM_RDONLY) 247 nflags |= MNT_RDONLY; 248 if (oflags & SUNM_NOSUID) 249 nflags |= MNT_NOSUID; 250 if (oflags & SUNM_REMOUNT) 251 nflags |= MNT_UPDATE; 252 253 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 254 if (error) 255 return (error); 256 257 if (strcmp(fsname, "nfs") == 0) { 258 struct sunos_nfs_args sna; 259 struct nfs_args na; 260 int n; 261 262 error = copyin(SCARG(uap, data), &sna, sizeof sna); 263 if (error) 264 return (error); 265 /* sa.sa_len = sizeof(sain); */ 266 na.version = NFS_ARGSVERSION; 267 na.addr = (void *)sna.addr; 268 na.addrlen = sizeof(struct sockaddr); 269 na.sotype = SOCK_DGRAM; 270 na.proto = IPPROTO_UDP; 271 na.fh = sna.fh; 272 na.fhsize = NFSX_V2FH; 273 na.flags = 0; 274 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 275 while (--n >= 0) 276 if (sna.flags & sunnfs_flgtab[n].sun_flg) 277 na.flags |= sunnfs_flgtab[n].bsd_flg; 278 na.wsize = sna.wsize; 279 na.rsize = sna.rsize; 280 if (na.flags & NFSMNT_RSIZE) { 281 na.flags |= NFSMNT_READDIRSIZE; 282 na.readdirsize = na.rsize; 283 } 284 na.timeo = sna.timeo; 285 na.retrans = sna.retrans; 286 na.hostname = /* (char *)(u_long) */ sna.hostname; 287 288 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 289 SCARG(uap, dir), nflags, &na, 290 UIO_SYSSPACE, sizeof na, &dummy); 291 } 292 293 if (strcmp(fsname, "4.2") == 0) 294 strcpy(fsname, "ffs"); 295 296 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 297 SCARG(uap, dir), nflags, SCARG(uap, data), 298 UIO_USERSPACE, 0, &dummy); 299 } 300 301 #if defined(NFS) 302 int 303 async_daemon(struct lwp *l, const void *v, register_t *retval) 304 { 305 struct sys_nfssvc_args ouap; 306 307 SCARG(&ouap, flag) = NFSSVC_BIOD; 308 SCARG(&ouap, argp) = NULL; 309 310 return (sys_nfssvc(l, &ouap, retval)); 311 } 312 #endif /* NFS */ 313 314 void native_to_sunos_sigset(const sigset_t *, int *); 315 void sunos_to_native_sigset(const int, sigset_t *); 316 317 inline void 318 native_to_sunos_sigset(const sigset_t *ss, int *mask) 319 { 320 *mask = ss->__bits[0]; 321 } 322 323 inline void 324 sunos_to_native_sigset(const int mask, sigset_t *ss) 325 { 326 327 ss->__bits[0] = mask; 328 ss->__bits[1] = 0; 329 ss->__bits[2] = 0; 330 ss->__bits[3] = 0; 331 } 332 333 int 334 sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 335 { 336 sigset_t ss; 337 int mask; 338 339 sigpending1(l, &ss); 340 native_to_sunos_sigset(&ss, &mask); 341 342 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 343 } 344 345 int 346 sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 347 { 348 /* { 349 syscallarg(int) mask; 350 } */ 351 int mask; 352 sigset_t ss; 353 354 mask = SCARG(uap, mask); 355 sunos_to_native_sigset(mask, &ss); 356 return (sigsuspend1(l, &ss)); 357 } 358 359 /* 360 * Read Sun-style directory entries. We suck them into kernel space so 361 * that they can be massaged before being copied out to user code. Like 362 * SunOS, we squish out `empty' entries. 363 * 364 * This is quite ugly, but what do you expect from compatibility code? 365 */ 366 int 367 sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 368 { 369 struct proc *p = l->l_proc; 370 struct dirent *bdp; 371 struct vnode *vp; 372 char *inp, *buf; /* BSD-format */ 373 int len, reclen; /* BSD-format */ 374 char *outp; /* Sun-format */ 375 int resid, sunos_reclen;/* Sun-format */ 376 struct file *fp; 377 struct uio auio; 378 struct iovec aiov; 379 struct sunos_dirent idb; 380 off_t off; /* true file offset */ 381 int buflen, error, eofflag; 382 off_t *cookiebuf, *cookie; 383 int ncookies; 384 385 /* getvnode() will use the descriptor for us */ 386 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 387 return (error); 388 389 if ((fp->f_flag & FREAD) == 0) { 390 error = EBADF; 391 goto out1; 392 } 393 394 vp = (struct vnode *)fp->f_data; 395 if (vp->v_type != VDIR) { 396 error = EINVAL; 397 goto out1; 398 } 399 400 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 401 buf = malloc(buflen, M_TEMP, M_WAITOK); 402 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 403 off = fp->f_offset; 404 again: 405 aiov.iov_base = buf; 406 aiov.iov_len = buflen; 407 auio.uio_iov = &aiov; 408 auio.uio_iovcnt = 1; 409 auio.uio_rw = UIO_READ; 410 auio.uio_resid = buflen; 411 auio.uio_offset = off; 412 UIO_SETUP_SYSSPACE(&auio); 413 /* 414 * First we read into the malloc'ed buffer, then 415 * we massage it into user space, one record at a time. 416 */ 417 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 418 &ncookies); 419 if (error) 420 goto out; 421 422 inp = buf; 423 outp = SCARG(uap, buf); 424 resid = SCARG(uap, nbytes); 425 if ((len = buflen - auio.uio_resid) == 0) 426 goto eof; 427 428 for (cookie = cookiebuf; len > 0; len -= reclen) { 429 bdp = (struct dirent *)inp; 430 reclen = bdp->d_reclen; 431 if (reclen & 3) 432 panic("sunos_getdents"); 433 if ((*cookie >> 32) != 0) { 434 compat_offseterr(vp, "sunos_getdents"); 435 error = EINVAL; 436 goto out; 437 } 438 if (bdp->d_fileno == 0) { 439 inp += reclen; /* it is a hole; squish it out */ 440 if (cookie) 441 off = *cookie++; 442 else 443 off += reclen; 444 continue; 445 } 446 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 447 if (reclen > len || resid < sunos_reclen) { 448 /* entry too big for buffer, so just stop */ 449 outp++; 450 break; 451 } 452 if (cookie) 453 off = *cookie++; /* each entry points to next */ 454 else 455 off += reclen; 456 /* 457 * Massage in place to make a Sun-shaped dirent (otherwise 458 * we have to worry about touching user memory outside of 459 * the copyout() call). 460 */ 461 idb.d_fileno = bdp->d_fileno; 462 idb.d_off = off; 463 idb.d_reclen = sunos_reclen; 464 idb.d_namlen = bdp->d_namlen; 465 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 466 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 467 goto out; 468 /* advance past this real entry */ 469 inp += reclen; 470 /* advance output past Sun-shaped entry */ 471 outp += sunos_reclen; 472 resid -= sunos_reclen; 473 } 474 475 /* if we squished out the whole block, try again */ 476 if (outp == SCARG(uap, buf)) 477 goto again; 478 fp->f_offset = off; /* update the vnode offset */ 479 480 eof: 481 *retval = SCARG(uap, nbytes) - resid; 482 out: 483 VOP_UNLOCK(vp, 0); 484 free(cookiebuf, M_TEMP); 485 free(buf, M_TEMP); 486 out1: 487 FILE_UNUSE(fp, l); 488 return (error); 489 } 490 491 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 492 493 int 494 sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 495 { 496 struct sys_mmap_args ouap; 497 498 /* 499 * Verify the arguments. 500 */ 501 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 502 return (EINVAL); /* XXX still needed? */ 503 504 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 505 return (EINVAL); 506 507 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 508 SCARG(&ouap, addr) = SCARG(uap, addr); 509 SCARG(&ouap, len) = SCARG(uap, len); 510 SCARG(&ouap, prot) = SCARG(uap, prot); 511 SCARG(&ouap, fd) = SCARG(uap, fd); 512 SCARG(&ouap, pos) = SCARG(uap, pos); 513 514 return (sys_mmap(l, &ouap, retval)); 515 } 516 517 #define MC_SYNC 1 518 #define MC_LOCK 2 519 #define MC_UNLOCK 3 520 #define MC_ADVISE 4 521 #define MC_LOCKAS 5 522 #define MC_UNLOCKAS 6 523 524 int 525 sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 526 { 527 528 switch (SCARG(uap, func)) { 529 case MC_ADVISE: /* ignore for now */ 530 return (0); 531 case MC_SYNC: /* translate to msync */ 532 return (sys___msync13(l, (const void *)uap, retval)); 533 default: 534 return (EINVAL); 535 } 536 } 537 538 int 539 sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 540 { 541 struct proc *p = l->l_proc; 542 struct file *fp; 543 struct mbuf *m = NULL; 544 int name = SCARG(uap, name); 545 int error; 546 547 /* getsock() will use the descriptor for us */ 548 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 549 return (error); 550 #define SO_DONTLINGER (~SO_LINGER) 551 if (name == SO_DONTLINGER) { 552 m = m_get(M_WAIT, MT_SOOPTS); 553 mtod(m, struct linger *)->l_onoff = 0; 554 m->m_len = sizeof(struct linger); 555 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 556 SO_LINGER, m); 557 goto out; 558 } 559 if (SCARG(uap, level) == IPPROTO_IP) { 560 #define SUNOS_IP_MULTICAST_IF 2 561 #define SUNOS_IP_MULTICAST_TTL 3 562 #define SUNOS_IP_MULTICAST_LOOP 4 563 #define SUNOS_IP_ADD_MEMBERSHIP 5 564 #define SUNOS_IP_DROP_MEMBERSHIP 6 565 static const int ipoptxlat[] = { 566 IP_MULTICAST_IF, 567 IP_MULTICAST_TTL, 568 IP_MULTICAST_LOOP, 569 IP_ADD_MEMBERSHIP, 570 IP_DROP_MEMBERSHIP 571 }; 572 if (name >= SUNOS_IP_MULTICAST_IF && 573 name <= SUNOS_IP_DROP_MEMBERSHIP) { 574 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 575 } 576 } 577 if (SCARG(uap, valsize) > MLEN) { 578 error = EINVAL; 579 goto out; 580 } 581 if (SCARG(uap, val)) { 582 m = m_get(M_WAIT, MT_SOOPTS); 583 error = copyin(SCARG(uap, val), mtod(m, void *), 584 (u_int)SCARG(uap, valsize)); 585 if (error) { 586 (void) m_free(m); 587 goto out; 588 } 589 m->m_len = SCARG(uap, valsize); 590 } 591 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 592 name, m); 593 out: 594 FILE_UNUSE(fp, l); 595 return (error); 596 } 597 598 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 599 int type); 600 static inline int 601 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 602 { 603 struct socket *so; 604 struct file *fp; 605 int error, fd; 606 607 /* getsock() will use the descriptor for us */ 608 fd = (int)*retval; 609 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 610 so = (struct socket *)fp->f_data; 611 if (type == SOCK_DGRAM) 612 so->so_options |= SO_BROADCAST; 613 } 614 FILE_UNUSE(fp, l); 615 return (error); 616 } 617 618 int 619 sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 620 { 621 /* { 622 syscallarg(int) domain; 623 syscallarg(int) type; 624 syscallarg(int) protocol; 625 } */ 626 int error; 627 628 error = compat_30_sys_socket(l, (const void *)uap, retval); 629 if (error) 630 return (error); 631 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 632 } 633 634 int 635 sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 636 { 637 /* { 638 syscallarg(int) domain; 639 syscallarg(int) type; 640 syscallarg(int) protocol; 641 syscallarg(int *) rsv; 642 } */ 643 int error; 644 645 error = sys_socketpair(l, (const void *)uap, retval); 646 if (error) 647 return (error); 648 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 649 } 650 651 /* 652 * XXX: This needs cleaning up. 653 */ 654 int 655 sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 656 { 657 return 0; 658 } 659 660 int 661 sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 662 { 663 struct sunos_utsname sut; 664 665 memset(&sut, 0, sizeof(sut)); 666 667 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 668 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 669 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 670 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 671 memcpy(sut.version, "1", sizeof(sut.version) - 1); 672 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 673 674 return copyout((void *)&sut, (void *)SCARG(uap, name), 675 sizeof(struct sunos_utsname)); 676 } 677 678 int 679 sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 680 { 681 struct proc *p = l->l_proc; 682 683 /* 684 * difference to our setpgid call is to include backwards 685 * compatibility to pre-setsid() binaries. Do setsid() 686 * instead of setpgid() in those cases where the process 687 * tries to create a new session the old way. 688 */ 689 if (!SCARG(uap, pgid) && 690 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 691 return sys_setsid(l, NULL, retval); 692 else 693 return sys_setpgid(l, (const void *)uap, retval); 694 } 695 696 int 697 sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 698 { 699 struct proc *p = l->l_proc; 700 struct sys_open_args open_ua; 701 int smode, nmode; 702 int noctty; 703 int ret; 704 705 /* convert mode into NetBSD mode */ 706 smode = SCARG(uap, flags); 707 noctty = smode & 0x8000; 708 nmode = smode & 709 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 710 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 711 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 712 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 713 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 714 715 SCARG(&open_ua, path) = SCARG(uap, path); 716 SCARG(&open_ua, flags) = nmode; 717 SCARG(&open_ua, mode) = SCARG(uap, mode); 718 ret = sys_open(l, &open_ua, retval); 719 720 /* XXXSMP */ 721 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 722 struct filedesc *fdp = p->p_fd; 723 struct file *fp; 724 725 fp = fd_getfile(fdp, *retval); 726 727 /* ignore any error, just give it a try */ 728 if (fp != NULL) { 729 FILE_USE(fp); 730 if (fp->f_type == DTYPE_VNODE) 731 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL, l); 732 FILE_UNUSE(fp, l); 733 } 734 } 735 return ret; 736 } 737 738 #if defined (NFSSERVER) 739 int 740 sunos_sys_nfssvc(struct lwp *l, const struct sunos_sys_nfssvc_args *uap, register_t *retval) 741 { 742 #if 0 743 struct proc *p = l->l_proc; 744 struct emul *e = p->p_emul; 745 struct sys_nfssvc_args outuap; 746 struct sockaddr sa; 747 int error; 748 void *sg = stackgap_init(p, 0); 749 750 memset(&outuap, 0, sizeof outuap); 751 SCARG(&outuap, fd) = SCARG(uap, fd); 752 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 753 SCARG(&outuap, msklen) = sizeof(sa); 754 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 755 SCARG(&outuap, mtchlen) = sizeof(sa); 756 757 memset(&sa, 0, sizeof sa); 758 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 759 return (error); 760 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 761 return (error); 762 763 return nfssvc(l, &outuap, retval); 764 #else 765 return (ENOSYS); 766 #endif 767 } 768 #endif /* NFSSERVER */ 769 770 int 771 sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 772 { 773 struct sunos_ustat us; 774 int error; 775 776 memset(&us, 0, sizeof us); 777 778 /* 779 * XXX: should set f_tfree and f_tinode at least 780 * How do we translate dev -> fstat? (and then to sunos_ustat) 781 */ 782 783 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 784 return (error); 785 return 0; 786 } 787 788 int 789 sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 790 { 791 792 return EINVAL; 793 } 794 795 int 796 sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 797 { 798 struct proc *p = l->l_proc; 799 struct session *sp = p->p_session; 800 801 if (sp->s_ttyvp == 0) 802 return 0; 803 804 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 805 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 806 807 (void) ttywait(sp->s_ttyp); 808 if (sp->s_ttyvp) 809 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 810 if (sp->s_ttyvp) 811 vrele(sp->s_ttyvp); 812 sp->s_ttyvp = NULL; 813 814 return 0; 815 } 816 817 static int 818 sunstatfs(struct statvfs *sp, void *buf) 819 { 820 struct sunos_statfs ssfs; 821 822 memset(&ssfs, 0, sizeof ssfs); 823 ssfs.f_type = 0; 824 ssfs.f_bsize = sp->f_bsize; 825 ssfs.f_blocks = sp->f_blocks; 826 ssfs.f_bfree = sp->f_bfree; 827 ssfs.f_bavail = sp->f_bavail; 828 ssfs.f_files = sp->f_files; 829 ssfs.f_ffree = sp->f_ffree; 830 ssfs.f_fsid = sp->f_fsidx; 831 return copyout((void *)&ssfs, buf, sizeof ssfs); 832 } 833 834 int 835 sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 836 { 837 struct mount *mp; 838 struct statvfs *sp; 839 int error; 840 struct nameidata nd; 841 842 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 843 SCARG(uap, path)); 844 if ((error = namei(&nd)) != 0) 845 return (error); 846 mp = nd.ni_vp->v_mount; 847 sp = &mp->mnt_stat; 848 vrele(nd.ni_vp); 849 if ((error = VFS_STATVFS(mp, sp)) != 0) 850 return (error); 851 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 852 return sunstatfs(sp, (void *)SCARG(uap, buf)); 853 } 854 855 int 856 sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 857 { 858 struct proc *p = l->l_proc; 859 struct file *fp; 860 struct mount *mp; 861 struct statvfs *sp; 862 int error; 863 864 /* getvnode() will use the descriptor for us */ 865 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 866 return (error); 867 mp = ((struct vnode *)fp->f_data)->v_mount; 868 sp = &mp->mnt_stat; 869 if ((error = VFS_STATVFS(mp, sp)) != 0) 870 goto out; 871 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 872 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 873 out: 874 FILE_UNUSE(fp, l); 875 return (error); 876 } 877 878 int 879 sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 880 { 881 /* 882 * XXX: should perhaps translate into a mount(2) 883 * with MOUNT_EXPORT? 884 */ 885 return 0; 886 } 887 888 int 889 sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 890 { 891 struct sys_mkfifo_args fifo_ua; 892 893 if (S_ISFIFO(SCARG(uap, mode))) { 894 SCARG(&fifo_ua, path) = SCARG(uap, path); 895 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 896 return sys_mkfifo(l, &fifo_ua, retval); 897 } 898 899 return sys_mknod(l, (const struct sys_mknod_args *)uap, retval); 900 } 901 902 #define SUNOS_SC_ARG_MAX 1 903 #define SUNOS_SC_CHILD_MAX 2 904 #define SUNOS_SC_CLK_TCK 3 905 #define SUNOS_SC_NGROUPS_MAX 4 906 #define SUNOS_SC_OPEN_MAX 5 907 #define SUNOS_SC_JOB_CONTROL 6 908 #define SUNOS_SC_SAVED_IDS 7 909 #define SUNOS_SC_VERSION 8 910 911 int 912 sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 913 { 914 extern int maxfiles; 915 916 switch(SCARG(uap, name)) { 917 case SUNOS_SC_ARG_MAX: 918 *retval = ARG_MAX; 919 break; 920 case SUNOS_SC_CHILD_MAX: 921 *retval = maxproc; 922 break; 923 case SUNOS_SC_CLK_TCK: 924 *retval = 60; /* should this be `hz', ie. 100? */ 925 break; 926 case SUNOS_SC_NGROUPS_MAX: 927 *retval = NGROUPS_MAX; 928 break; 929 case SUNOS_SC_OPEN_MAX: 930 *retval = maxfiles; 931 break; 932 case SUNOS_SC_JOB_CONTROL: 933 *retval = 1; 934 break; 935 case SUNOS_SC_SAVED_IDS: 936 #ifdef _POSIX_SAVED_IDS 937 *retval = 1; 938 #else 939 *retval = 0; 940 #endif 941 break; 942 case SUNOS_SC_VERSION: 943 *retval = 198808; 944 break; 945 default: 946 return EINVAL; 947 } 948 return 0; 949 } 950 951 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 952 #define SUNOS_RLIM_NLIMITS 7 953 954 int 955 sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 956 { 957 struct compat_43_sys_getrlimit_args ua_43; 958 959 SCARG(&ua_43, which) = SCARG(uap, which); 960 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 961 962 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 963 return EINVAL; 964 965 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 966 SCARG(&ua_43, which) = RLIMIT_NOFILE; 967 968 return compat_43_sys_getrlimit(l, &ua_43, retval); 969 } 970 971 int 972 sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 973 { 974 struct compat_43_sys_setrlimit_args ua_43; 975 976 SCARG(&ua_43, which) = SCARG(uap, which); 977 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 978 979 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 980 return EINVAL; 981 982 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 983 SCARG(&ua_43, which) = RLIMIT_NOFILE; 984 985 return compat_43_sys_setrlimit(l, &ua_43, retval); 986 } 987 988 #if defined(PTRACE) || defined(_LKM) 989 /* for the m68k machines */ 990 #ifndef PT_GETFPREGS 991 #define PT_GETFPREGS -1 992 #endif 993 #ifndef PT_SETFPREGS 994 #define PT_SETFPREGS -1 995 #endif 996 997 static const int sreq2breq[] = { 998 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 999 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1000 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1001 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1002 }; 1003 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1004 #endif /* PTRACE || _LKM */ 1005 1006 int 1007 sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 1008 { 1009 #if defined(PTRACE) || defined(_LKM) 1010 struct sys_ptrace_args pa; 1011 int req; 1012 1013 #ifdef _LKM 1014 #define sys_ptrace sysent[SYS_ptrace].sy_call 1015 if (sys_ptrace == sys_nosys) 1016 return ENOSYS; 1017 #endif 1018 1019 req = SCARG(uap, req); 1020 1021 if (req < 0 || req >= nreqs) 1022 return (EINVAL); 1023 1024 req = sreq2breq[req]; 1025 if (req == -1) 1026 return (EINVAL); 1027 1028 SCARG(&pa, req) = req; 1029 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1030 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1031 SCARG(&pa, data) = SCARG(uap, data); 1032 1033 return sys_ptrace(l, &pa, retval); 1034 #else 1035 return ENOSYS; 1036 #endif /* PTRACE || _LKM */ 1037 } 1038 1039 /* 1040 * SunOS reboot system call (for compatibility). 1041 * Sun lets you pass in a boot string which the PROM 1042 * saves and provides to the next boot program. 1043 */ 1044 1045 #define SUNOS_RB_ASKNAME 0x001 1046 #define SUNOS_RB_SINGLE 0x002 1047 #define SUNOS_RB_NOSYNC 0x004 1048 #define SUNOS_RB_HALT 0x008 1049 #define SUNOS_RB_DUMP 0x080 1050 #define SUNOS_RB_STRING 0x200 1051 1052 static struct sunos_howto_conv { 1053 int sun_howto; 1054 int bsd_howto; 1055 } sunos_howto_conv[] = { 1056 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1057 { SUNOS_RB_SINGLE, RB_SINGLE }, 1058 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1059 { SUNOS_RB_HALT, RB_HALT }, 1060 { SUNOS_RB_DUMP, RB_DUMP }, 1061 { SUNOS_RB_STRING, RB_STRING }, 1062 { 0x000, 0 }, 1063 }; 1064 1065 int 1066 sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1067 { 1068 struct sys_reboot_args ua; 1069 struct sunos_howto_conv *convp; 1070 int error, bsd_howto, sun_howto; 1071 char *bootstr; 1072 1073 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1074 0, NULL, NULL, NULL)) != 0) 1075 return (error); 1076 1077 /* 1078 * Convert howto bits to BSD format. 1079 */ 1080 sun_howto = SCARG(uap, howto); 1081 bsd_howto = 0; 1082 convp = sunos_howto_conv; 1083 while (convp->sun_howto) { 1084 if (sun_howto & convp->sun_howto) 1085 bsd_howto |= convp->bsd_howto; 1086 convp++; 1087 } 1088 1089 /* 1090 * Sun RB_STRING (Get user supplied bootstring.) 1091 * If the machine supports passing a string to the 1092 * next booted kernel. 1093 */ 1094 if (sun_howto & SUNOS_RB_STRING) { 1095 char bs[128]; 1096 1097 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1098 1099 if (error) 1100 bootstr = NULL; 1101 else 1102 bootstr = bs; 1103 } else 1104 bootstr = NULL; 1105 1106 SCARG(&ua, opt) = bsd_howto; 1107 SCARG(&ua, bootstr) = bootstr; 1108 sys_reboot(l, &ua, retval); 1109 return(0); 1110 } 1111 1112 /* 1113 * Generalized interface signal handler, 4.3-compatible. 1114 */ 1115 /* ARGSUSED */ 1116 int 1117 sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1118 { 1119 /* { 1120 syscallarg(int) signum; 1121 syscallarg(struct sigvec *) nsv; 1122 syscallarg(struct sigvec *) osv; 1123 } */ 1124 struct sigvec nsv, osv; 1125 struct sigaction nsa, osa; 1126 int error; 1127 /*XXX*/extern void compat_43_sigvec_to_sigaction 1128 (const struct sigvec *, struct sigaction *); 1129 /*XXX*/extern void compat_43_sigaction_to_sigvec 1130 (const struct sigaction *, struct sigvec *); 1131 1132 if (SCARG(uap, nsv)) { 1133 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1134 if (error != 0) 1135 return (error); 1136 1137 /* 1138 * SunOS uses the mask 0x0004 as SV_RESETHAND 1139 * meaning: `reset to SIG_DFL on delivery'. 1140 * We support only the bits in: 0xF 1141 * (those bits are the same as ours) 1142 */ 1143 if (nsv.sv_flags & ~0xF) 1144 return (EINVAL); 1145 1146 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1147 } 1148 error = sigaction1(l, SCARG(uap, signum), 1149 SCARG(uap, nsv) ? &nsa : 0, 1150 SCARG(uap, osv) ? &osa : 0, 1151 NULL, 0); 1152 if (error != 0) 1153 return (error); 1154 1155 if (SCARG(uap, osv)) { 1156 compat_43_sigaction_to_sigvec(&osa, &osv); 1157 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1158 if (error != 0) 1159 return (error); 1160 } 1161 1162 return (0); 1163 } 1164
Indexes created Tue Oct 14 11:09:46 GMT 2025