1/* $NetBSD: sunos_misc.c,v 1.167 2010/03/03 11:07:17 pooka 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 1.167 2010/03/03 11:07:17 pooka Exp $"); 54 55#include <sys/param.h> 56#include <sys/systm.h> 57#include <sys/namei.h> 58#include <sys/proc.h> 59#include <sys/dirent.h> 60#include <sys/file.h> 61#include <sys/stat.h> 62#include <sys/filedesc.h> 63#include <sys/ioctl.h> 64#include <sys/kernel.h> 65#include <sys/reboot.h> 66#include <sys/malloc.h> 67#include <sys/mbuf.h> 68#include <sys/mman.h> 69#include <sys/mount.h> 70#include <sys/ptrace.h> 71#include <sys/resource.h> 72#include <sys/resourcevar.h> 73#include <sys/signal.h> 74#include <sys/signalvar.h> 75#include <sys/socket.h> 76#include <sys/tty.h> 77#include <sys/vnode.h> 78#include <sys/uio.h> 79#include <sys/wait.h> 80#include <sys/utsname.h> 81#include <sys/unistd.h> 82#include <sys/syscall.h> 83#include <sys/syscallargs.h> 84#include <sys/conf.h> 85#include <sys/socketvar.h> 86#include <sys/exec.h> 87#include <sys/swap.h> 88#include <sys/kauth.h> 89 90#include <compat/sys/signal.h> 91 92#include <compat/sunos/sunos.h> 93#include <compat/sunos/sunos_syscallargs.h> 94#include <compat/common/compat_util.h> 95#include <compat/sunos/sunos_dirent.h> 96#include <compat/sys/mount.h> 97 98#include <netinet/in.h> 99 100#include <miscfs/specfs/specdev.h> 101 102#include <nfs/rpcv2.h> 103#include <nfs/nfsproto.h> 104#include <nfs/nfs.h> 105#include <nfs/nfsmount.h> 106 107static int sunstatfs(struct statvfs *, void *); 108 109int 110sunos_sys_stime(struct lwp *l, const struct sunos_sys_stime_args *uap, register_t *retval) 111{ 112 struct timeval tv; 113 int error; 114 115 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 116 if (error) 117 return error; 118 tv.tv_usec = 0; 119 120 return settimeofday1(&tv, false, NULL, l, true); 121} 122 123int 124sunos_sys_wait4(struct lwp *l, const struct sunos_sys_wait4_args *uap, register_t *retval) 125{ 126 struct compat_50_sys_wait4_args bsd_ua; 127 128 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 129 SCARG(&bsd_ua, status) = SCARG(uap, status); 130 SCARG(&bsd_ua, options) = SCARG(uap, options); 131 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 132 133 return (compat_50_sys_wait4(l, &bsd_ua, retval)); 134} 135 136int 137sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) 138{ 139 struct sys_open_args ouap; 140 141 SCARG(&ouap, path) = SCARG(uap, path); 142 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 143 SCARG(&ouap, mode) = SCARG(uap, mode); 144 145 return (sys_open(l, &ouap, retval)); 146} 147 148int 149sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) 150{ 151 /* { 152 syscallarg(const char *) path; 153 syscallarg(char **) argv; 154 } */ 155 struct sys_execve_args ap; 156 157 SCARG(&ap, path) = SCARG(uap, path); 158 SCARG(&ap, argp) = SCARG(uap, argp); 159 SCARG(&ap, envp) = NULL; 160 161 return (sys_execve(l, &ap, retval)); 162} 163 164int 165sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) 166{ 167 /* { 168 syscallarg(const char *) path; 169 syscallarg(char **) argv; 170 syscallarg(char **) envp; 171 } */ 172 struct sys_execve_args ap; 173 174 SCARG(&ap, path) = SCARG(uap, path); 175 SCARG(&ap, argp) = SCARG(uap, argp); 176 SCARG(&ap, envp) = SCARG(uap, envp); 177 178 return (sys_execve(l, &ap, retval)); 179} 180 181int 182sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) 183{ 184 struct sys___msync13_args ouap; 185 186 SCARG(&ouap, addr) = SCARG(uap, addr); 187 SCARG(&ouap, len) = SCARG(uap, len); 188 SCARG(&ouap, flags) = SCARG(uap, flags); 189 190 return (sys___msync13(l, &ouap, retval)); 191} 192 193int 194sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) 195{ 196 struct sys_unmount_args ouap; 197 198 SCARG(&ouap, path) = SCARG(uap, path); 199 SCARG(&ouap, flags) = 0; 200 201 return (sys_unmount(l, &ouap, retval)); 202} 203 204/* 205 * Conversion table for SunOS NFS mount flags. 206 */ 207static struct { 208 int sun_flg; 209 int bsd_flg; 210} sunnfs_flgtab[] = { 211 { SUNNFS_SOFT, NFSMNT_SOFT }, 212 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 213 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 214 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 215 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 216 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 217 { SUNNFS_INT, NFSMNT_INT }, 218 { SUNNFS_NOAC, 0 }, /* Ignored */ 219 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 220 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 221 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 222 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 223 { SUNNFS_SECURE, 0 }, /* Ignored */ 224 { SUNNFS_NOCTO, 0 }, /* Ignored */ 225 { SUNNFS_POSIX, 0 } /* Ignored */ 226}; 227 228int 229sunos_sys_mount(struct lwp *l, const struct sunos_sys_mount_args *uap, register_t *retval) 230{ 231 int oflags = SCARG(uap, flags), nflags, error; 232 char fsname[MFSNAMELEN]; 233 register_t dummy; 234 235 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 236 return (EINVAL); 237 if ((oflags & SUNM_NEWTYPE) == 0) 238 return (EINVAL); 239 nflags = 0; 240 if (oflags & SUNM_RDONLY) 241 nflags |= MNT_RDONLY; 242 if (oflags & SUNM_NOSUID) 243 nflags |= MNT_NOSUID; 244 if (oflags & SUNM_REMOUNT) 245 nflags |= MNT_UPDATE; 246 247 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 248 if (error) 249 return (error); 250 251 if (strcmp(fsname, "nfs") == 0) { 252 struct sunos_nfs_args sna; 253 struct nfs_args na; 254 int n; 255 256 error = copyin(SCARG(uap, data), &sna, sizeof sna); 257 if (error) 258 return (error); 259 /* sa.sa_len = sizeof(sain); */ 260 na.version = NFS_ARGSVERSION; 261 na.addr = (void *)sna.addr; 262 na.addrlen = sizeof(struct sockaddr); 263 na.sotype = SOCK_DGRAM; 264 na.proto = IPPROTO_UDP; 265 na.fh = sna.fh; 266 na.fhsize = NFSX_V2FH; 267 na.flags = 0; 268 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 269 while (--n >= 0) 270 if (sna.flags & sunnfs_flgtab[n].sun_flg) 271 na.flags |= sunnfs_flgtab[n].bsd_flg; 272 na.wsize = sna.wsize; 273 na.rsize = sna.rsize; 274 if (na.flags & NFSMNT_RSIZE) { 275 na.flags |= NFSMNT_READDIRSIZE; 276 na.readdirsize = na.rsize; 277 } 278 na.timeo = sna.timeo; 279 na.retrans = sna.retrans; 280 na.hostname = /* (char *)(u_long) */ sna.hostname; 281 282 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 283 SCARG(uap, dir), nflags, &na, 284 UIO_SYSSPACE, sizeof na, &dummy); 285 } 286 287 if (strcmp(fsname, "4.2") == 0) 288 strcpy(fsname, "ffs"); 289 290 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 291 SCARG(uap, dir), nflags, SCARG(uap, data), 292 UIO_USERSPACE, 0, &dummy); 293} 294 295int 296async_daemon(struct lwp *l, const void *v, register_t *retval) 297{ 298 299 return kpause("fakeniod", false, 0, NULL); 300} 301 302void native_to_sunos_sigset(const sigset_t *, int *); 303void sunos_to_native_sigset(const int, sigset_t *); 304 305inline void 306native_to_sunos_sigset(const sigset_t *ss, int *mask) 307{ 308 *mask = ss->__bits[0]; 309} 310 311inline void 312sunos_to_native_sigset(const int mask, sigset_t *ss) 313{ 314 315 ss->__bits[0] = mask; 316 ss->__bits[1] = 0; 317 ss->__bits[2] = 0; 318 ss->__bits[3] = 0; 319} 320 321int 322sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) 323{ 324 sigset_t ss; 325 int mask; 326 327 sigpending1(l, &ss); 328 native_to_sunos_sigset(&ss, &mask); 329 330 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 331} 332 333int 334sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) 335{ 336 /* { 337 syscallarg(int) mask; 338 } */ 339 int mask; 340 sigset_t ss; 341 342 mask = SCARG(uap, mask); 343 sunos_to_native_sigset(mask, &ss); 344 return (sigsuspend1(l, &ss)); 345} 346 347/* 348 * Read Sun-style directory entries. We suck them into kernel space so 349 * that they can be massaged before being copied out to user code. Like 350 * SunOS, we squish out `empty' entries. 351 * 352 * This is quite ugly, but what do you expect from compatibility code? 353 */ 354int 355sunos_sys_getdents(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) 356{ 357 struct dirent *bdp; 358 struct vnode *vp; 359 char *inp, *buf; /* BSD-format */ 360 int len, reclen; /* BSD-format */ 361 char *outp; /* Sun-format */ 362 int resid, sunos_reclen;/* Sun-format */ 363 struct file *fp; 364 struct uio auio; 365 struct iovec aiov; 366 struct sunos_dirent idb; 367 off_t off; /* true file offset */ 368 int buflen, error, eofflag; 369 off_t *cookiebuf, *cookie; 370 int ncookies; 371 372 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 373 return (error); 374 375 if ((fp->f_flag & FREAD) == 0) { 376 error = EBADF; 377 goto out1; 378 } 379 380 vp = fp->f_data; 381 if (vp->v_type != VDIR) { 382 error = EINVAL; 383 goto out1; 384 } 385 386 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 387 buf = malloc(buflen, M_TEMP, M_WAITOK); 388 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 389 off = fp->f_offset; 390again: 391 aiov.iov_base = buf; 392 aiov.iov_len = buflen; 393 auio.uio_iov = &aiov; 394 auio.uio_iovcnt = 1; 395 auio.uio_rw = UIO_READ; 396 auio.uio_resid = buflen; 397 auio.uio_offset = off; 398 UIO_SETUP_SYSSPACE(&auio); 399 /* 400 * First we read into the malloc'ed buffer, then 401 * we massage it into user space, one record at a time. 402 */ 403 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 404 &ncookies); 405 if (error) 406 goto out; 407 408 inp = buf; 409 outp = SCARG(uap, buf); 410 resid = SCARG(uap, nbytes); 411 if ((len = buflen - auio.uio_resid) == 0) 412 goto eof; 413 414 for (cookie = cookiebuf; len > 0; len -= reclen) { 415 bdp = (struct dirent *)inp; 416 reclen = bdp->d_reclen; 417 if (reclen & 3) 418 panic("sunos_getdents"); 419 if ((*cookie >> 32) != 0) { 420 compat_offseterr(vp, "sunos_getdents"); 421 error = EINVAL; 422 goto out; 423 } 424 if (bdp->d_fileno == 0) { 425 inp += reclen; /* it is a hole; squish it out */ 426 if (cookie) 427 off = *cookie++; 428 else 429 off += reclen; 430 continue; 431 } 432 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 433 if (reclen > len || resid < sunos_reclen) { 434 /* entry too big for buffer, so just stop */ 435 outp++; 436 break; 437 } 438 if (cookie) 439 off = *cookie++; /* each entry points to next */ 440 else 441 off += reclen; 442 /* 443 * Massage in place to make a Sun-shaped dirent (otherwise 444 * we have to worry about touching user memory outside of 445 * the copyout() call). 446 */ 447 idb.d_fileno = bdp->d_fileno; 448 idb.d_off = off; 449 idb.d_reclen = sunos_reclen; 450 idb.d_namlen = bdp->d_namlen; 451 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 452 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 453 goto out; 454 /* advance past this real entry */ 455 inp += reclen; 456 /* advance output past Sun-shaped entry */ 457 outp += sunos_reclen; 458 resid -= sunos_reclen; 459 } 460 461 /* if we squished out the whole block, try again */ 462 if (outp == SCARG(uap, buf)) { 463 if (cookiebuf) 464 free(cookiebuf, M_TEMP); 465 cookiebuf = NULL; 466 goto again; 467 } 468 fp->f_offset = off; /* update the vnode offset */ 469 470eof: 471 *retval = SCARG(uap, nbytes) - resid; 472out: 473 VOP_UNLOCK(vp); 474 free(cookiebuf, M_TEMP); 475 free(buf, M_TEMP); 476 out1: 477 fd_putfile(SCARG(uap, fd)); 478 return (error); 479} 480 481#define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 482 483int 484sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) 485{ 486 struct sys_mmap_args ouap; 487 488 /* 489 * Verify the arguments. 490 */ 491 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 492 return (EINVAL); /* XXX still needed? */ 493 494 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 495 return (EINVAL); 496 497 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 498 SCARG(&ouap, addr) = SCARG(uap, addr); 499 SCARG(&ouap, len) = SCARG(uap, len); 500 SCARG(&ouap, prot) = SCARG(uap, prot); 501 SCARG(&ouap, fd) = SCARG(uap, fd); 502 SCARG(&ouap, pos) = SCARG(uap, pos); 503 504 return (sys_mmap(l, &ouap, retval)); 505} 506 507#define MC_SYNC 1 508#define MC_LOCK 2 509#define MC_UNLOCK 3 510#define MC_ADVISE 4 511#define MC_LOCKAS 5 512#define MC_UNLOCKAS 6 513 514int 515sunos_sys_mctl(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) 516{ 517 518 switch (SCARG(uap, func)) { 519 case MC_ADVISE: /* ignore for now */ 520 return (0); 521 case MC_SYNC: /* translate to msync */ 522 return (sys___msync13(l, (const void *)uap, retval)); 523 default: 524 return (EINVAL); 525 } 526} 527 528int 529sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) 530{ 531 struct sockopt sopt; 532 struct socket *so; 533 int name = SCARG(uap, name); 534 int error; 535 536 /* fd_getsock() will use the descriptor for us */ 537 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 538 return (error); 539#define SO_DONTLINGER (~SO_LINGER) 540 if (name == SO_DONTLINGER) { 541 struct linger lg; 542 543 lg.l_onoff = 0; 544 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 545 &lg, sizeof(lg)); 546 goto out; 547 } 548 if (SCARG(uap, level) == IPPROTO_IP) { 549#define SUNOS_IP_MULTICAST_IF 2 550#define SUNOS_IP_MULTICAST_TTL 3 551#define SUNOS_IP_MULTICAST_LOOP 4 552#define SUNOS_IP_ADD_MEMBERSHIP 5 553#define SUNOS_IP_DROP_MEMBERSHIP 6 554 static const int ipoptxlat[] = { 555 IP_MULTICAST_IF, 556 IP_MULTICAST_TTL, 557 IP_MULTICAST_LOOP, 558 IP_ADD_MEMBERSHIP, 559 IP_DROP_MEMBERSHIP 560 }; 561 if (name >= SUNOS_IP_MULTICAST_IF && 562 name <= SUNOS_IP_DROP_MEMBERSHIP) { 563 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 564 } 565 } 566 if (SCARG(uap, valsize) > MLEN) { 567 error = EINVAL; 568 goto out; 569 } 570 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 571 if (SCARG(uap, val)) { 572 error = copyin(SCARG(uap, val), sopt.sopt_data, 573 (u_int)SCARG(uap, valsize)); 574 } 575 if (error == 0) 576 error = sosetopt(so, &sopt); 577 sockopt_destroy(&sopt); 578 out: 579 fd_putfile(SCARG(uap, s)); 580 return (error); 581} 582 583static inline int sunos_sys_socket_common(struct lwp *, register_t *, 584 int type); 585static inline int 586sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 587{ 588 struct socket *so; 589 int error, fd; 590 591 /* fd_getsock() will use the descriptor for us */ 592 fd = (int)*retval; 593 if ((error = fd_getsock(fd, &so)) == 0) { 594 if (type == SOCK_DGRAM) 595 so->so_options |= SO_BROADCAST; 596 fd_putfile(fd); 597 } 598 return (error); 599} 600 601int 602sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) 603{ 604 /* { 605 syscallarg(int) domain; 606 syscallarg(int) type; 607 syscallarg(int) protocol; 608 } */ 609 int error; 610 611 error = compat_30_sys_socket(l, (const void *)uap, retval); 612 if (error) 613 return (error); 614 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 615} 616 617int 618sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) 619{ 620 /* { 621 syscallarg(int) domain; 622 syscallarg(int) type; 623 syscallarg(int) protocol; 624 syscallarg(int *) rsv; 625 } */ 626 int error; 627 628 error = sys_socketpair(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/* 635 * XXX: This needs cleaning up. 636 */ 637int 638sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) 639{ 640 return 0; 641} 642 643int 644sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) 645{ 646 struct sunos_utsname sut; 647 648 memset(&sut, 0, sizeof(sut)); 649 650 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 651 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 652 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 653 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 654 memcpy(sut.version, "1", sizeof(sut.version) - 1); 655 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 656 657 return copyout((void *)&sut, (void *)SCARG(uap, name), 658 sizeof(struct sunos_utsname)); 659} 660 661int 662sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) 663{ 664 struct proc *p = l->l_proc; 665 666 /* 667 * difference to our setpgid call is to include backwards 668 * compatibility to pre-setsid() binaries. Do setsid() 669 * instead of setpgid() in those cases where the process 670 * tries to create a new session the old way. 671 */ 672 if (!SCARG(uap, pgid) && 673 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 674 return sys_setsid(l, NULL, retval); 675 else 676 return sys_setpgid(l, (const void *)uap, retval); 677} 678 679int 680sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) 681{ 682 struct proc *p = l->l_proc; 683 struct sys_open_args open_ua; 684 int smode, nmode; 685 int noctty; 686 int ret; 687 688 /* convert mode into NetBSD mode */ 689 smode = SCARG(uap, flags); 690 noctty = smode & 0x8000; 691 nmode = smode & 692 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 693 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 694 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 695 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 696 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 697 698 SCARG(&open_ua, path) = SCARG(uap, path); 699 SCARG(&open_ua, flags) = nmode; 700 SCARG(&open_ua, mode) = SCARG(uap, mode); 701 ret = sys_open(l, &open_ua, retval); 702 703 /* XXXSMP */ 704 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 705 file_t *fp; 706 int fd; 707 708 fd = (int)*retval; 709 fp = fd_getfile(fd); 710 711 /* ignore any error, just give it a try */ 712 if (fp != NULL) { 713 if (fp->f_type == DTYPE_VNODE) 714 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 715 fd_putfile(fd); 716 } 717 } 718 return ret; 719} 720 721int 722sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) 723{ 724 struct sunos_ustat us; 725 int error; 726 727 memset(&us, 0, sizeof us); 728 729 /* 730 * XXX: should set f_tfree and f_tinode at least 731 * How do we translate dev -> fstat? (and then to sunos_ustat) 732 */ 733 734 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 735 return (error); 736 return 0; 737} 738 739int 740sunos_sys_quotactl(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) 741{ 742 743 return EINVAL; 744} 745 746int 747sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 748{ 749 struct proc *p = l->l_proc; 750 struct session *sp = p->p_session; 751 752 if (sp->s_ttyvp == 0) 753 return 0; 754 755 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 756 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 757 758 (void) ttywait(sp->s_ttyp); 759 if (sp->s_ttyvp) 760 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 761 if (sp->s_ttyvp) 762 vrele(sp->s_ttyvp); 763 sp->s_ttyvp = NULL; 764 765 return 0; 766} 767 768static int 769sunstatfs(struct statvfs *sp, void *buf) 770{ 771 struct sunos_statfs ssfs; 772 773 memset(&ssfs, 0, sizeof ssfs); 774 ssfs.f_type = 0; 775 ssfs.f_bsize = sp->f_bsize; 776 ssfs.f_blocks = sp->f_blocks; 777 ssfs.f_bfree = sp->f_bfree; 778 ssfs.f_bavail = sp->f_bavail; 779 ssfs.f_files = sp->f_files; 780 ssfs.f_ffree = sp->f_ffree; 781 ssfs.f_fsid = sp->f_fsidx; 782 return copyout((void *)&ssfs, buf, sizeof ssfs); 783} 784 785int 786sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) 787{ 788 struct mount *mp; 789 struct statvfs *sp; 790 int error; 791 struct vnode *vp; 792 793 error = namei_simple_user(SCARG(uap, path), 794 NSM_FOLLOW_TRYEMULROOT, &vp); 795 if (error != 0) 796 return (error); 797 mp = vp->v_mount; 798 sp = &mp->mnt_stat; 799 vrele(vp); 800 if ((error = VFS_STATVFS(mp, sp)) != 0) 801 return (error); 802 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 803 return sunstatfs(sp, (void *)SCARG(uap, buf)); 804} 805 806int 807sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) 808{ 809 file_t *fp; 810 struct mount *mp; 811 struct statvfs *sp; 812 int error; 813 814 /* fd_getvnode() will use the descriptor for us */ 815 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 816 return (error); 817 mp = ((struct vnode *)fp->f_data)->v_mount; 818 sp = &mp->mnt_stat; 819 if ((error = VFS_STATVFS(mp, sp)) != 0) 820 goto out; 821 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 822 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 823 out: 824 fd_putfile(SCARG(uap, fd)); 825 return (error); 826} 827 828int 829sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) 830{ 831 /* 832 * XXX: should perhaps translate into a mount(2) 833 * with MOUNT_EXPORT? 834 */ 835 return 0; 836} 837 838int 839sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) 840{ 841 struct sys_mkfifo_args fifo_ua; 842 843 if (S_ISFIFO(SCARG(uap, mode))) { 844 SCARG(&fifo_ua, path) = SCARG(uap, path); 845 SCARG(&fifo_ua, mode) = SCARG(uap, mode); 846 return sys_mkfifo(l, &fifo_ua, retval); 847 } 848 849 return compat_50_sys_mknod(l, 850 (const struct compat_50_sys_mknod_args *)uap, retval); 851} 852 853#define SUNOS_SC_ARG_MAX 1 854#define SUNOS_SC_CHILD_MAX 2 855#define SUNOS_SC_CLK_TCK 3 856#define SUNOS_SC_NGROUPS_MAX 4 857#define SUNOS_SC_OPEN_MAX 5 858#define SUNOS_SC_JOB_CONTROL 6 859#define SUNOS_SC_SAVED_IDS 7 860#define SUNOS_SC_VERSION 8 861 862int 863sunos_sys_sysconf(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) 864{ 865 866 switch(SCARG(uap, name)) { 867 case SUNOS_SC_ARG_MAX: 868 *retval = ARG_MAX; 869 break; 870 case SUNOS_SC_CHILD_MAX: 871 *retval = maxproc; 872 break; 873 case SUNOS_SC_CLK_TCK: 874 *retval = 60; /* should this be `hz', ie. 100? */ 875 break; 876 case SUNOS_SC_NGROUPS_MAX: 877 *retval = NGROUPS_MAX; 878 break; 879 case SUNOS_SC_OPEN_MAX: 880 *retval = maxfiles; 881 break; 882 case SUNOS_SC_JOB_CONTROL: 883 *retval = 1; 884 break; 885 case SUNOS_SC_SAVED_IDS: 886#ifdef _POSIX_SAVED_IDS 887 *retval = 1; 888#else 889 *retval = 0; 890#endif 891 break; 892 case SUNOS_SC_VERSION: 893 *retval = 198808; 894 break; 895 default: 896 return EINVAL; 897 } 898 return 0; 899} 900 901#define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 902#define SUNOS_RLIM_NLIMITS 7 903 904int 905sunos_sys_getrlimit(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) 906{ 907 struct compat_43_sys_getrlimit_args ua_43; 908 909 SCARG(&ua_43, which) = SCARG(uap, which); 910 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 911 912 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 913 return EINVAL; 914 915 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 916 SCARG(&ua_43, which) = RLIMIT_NOFILE; 917 918 return compat_43_sys_getrlimit(l, &ua_43, retval); 919} 920 921int 922sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) 923{ 924 struct compat_43_sys_setrlimit_args ua_43; 925 926 SCARG(&ua_43, which) = SCARG(uap, which); 927 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 928 929 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 930 return EINVAL; 931 932 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 933 SCARG(&ua_43, which) = RLIMIT_NOFILE; 934 935 return compat_43_sys_setrlimit(l, &ua_43, retval); 936} 937 938/* for the m68k machines */ 939#ifndef PT_GETFPREGS 940#define PT_GETFPREGS -1 941#endif 942#ifndef PT_SETFPREGS 943#define PT_SETFPREGS -1 944#endif 945 946static const int sreq2breq[] = { 947 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 948 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 949 PT_KILL, -1, PT_ATTACH, PT_DETACH, 950 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 951}; 952static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 953 954int 955sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) 956{ 957 struct sys_ptrace_args pa; 958 int req; 959 960#define sys_ptrace sysent[SYS_ptrace].sy_call 961 if (sys_ptrace == sys_nosys) 962 return ENOSYS; 963 964 req = SCARG(uap, req); 965 966 if (req < 0 || req >= nreqs) 967 return (EINVAL); 968 969 req = sreq2breq[req]; 970 if (req == -1) 971 return (EINVAL); 972 973 SCARG(&pa, req) = req; 974 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 975 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 976 SCARG(&pa, data) = SCARG(uap, data); 977 978 return sys_ptrace(l, &pa, retval); 979} 980 981/* 982 * SunOS reboot system call (for compatibility). 983 * Sun lets you pass in a boot string which the PROM 984 * saves and provides to the next boot program. 985 */ 986 987#define SUNOS_RB_ASKNAME 0x001 988#define SUNOS_RB_SINGLE 0x002 989#define SUNOS_RB_NOSYNC 0x004 990#define SUNOS_RB_HALT 0x008 991#define SUNOS_RB_DUMP 0x080 992#define SUNOS_RB_STRING 0x200 993 994static struct sunos_howto_conv { 995 int sun_howto; 996 int bsd_howto; 997} sunos_howto_conv[] = { 998 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 999 { SUNOS_RB_SINGLE, RB_SINGLE }, 1000 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1001 { SUNOS_RB_HALT, RB_HALT }, 1002 { SUNOS_RB_DUMP, RB_DUMP }, 1003 { SUNOS_RB_STRING, RB_STRING }, 1004 { 0x000, 0 }, 1005}; 1006 1007int 1008sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) 1009{ 1010 struct sys_reboot_args ua; 1011 struct sunos_howto_conv *convp; 1012 int error, bsd_howto, sun_howto; 1013 char *bootstr; 1014 1015 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1016 0, NULL, NULL, NULL)) != 0) 1017 return (error); 1018 1019 /* 1020 * Convert howto bits to BSD format. 1021 */ 1022 sun_howto = SCARG(uap, howto); 1023 bsd_howto = 0; 1024 convp = sunos_howto_conv; 1025 while (convp->sun_howto) { 1026 if (sun_howto & convp->sun_howto) 1027 bsd_howto |= convp->bsd_howto; 1028 convp++; 1029 } 1030 1031 /* 1032 * Sun RB_STRING (Get user supplied bootstring.) 1033 * If the machine supports passing a string to the 1034 * next booted kernel. 1035 */ 1036 if (sun_howto & SUNOS_RB_STRING) { 1037 char bs[128]; 1038 1039 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1040 1041 if (error) 1042 bootstr = NULL; 1043 else 1044 bootstr = bs; 1045 } else 1046 bootstr = NULL; 1047 1048 SCARG(&ua, opt) = bsd_howto; 1049 SCARG(&ua, bootstr) = bootstr; 1050 sys_reboot(l, &ua, retval); 1051 return(0); 1052} 1053 1054/* 1055 * Generalized interface signal handler, 4.3-compatible. 1056 */ 1057/* ARGSUSED */ 1058int 1059sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) 1060{ 1061 /* { 1062 syscallarg(int) signum; 1063 syscallarg(struct sigvec *) nsv; 1064 syscallarg(struct sigvec *) osv; 1065 } */ 1066 struct sigvec nsv, osv; 1067 struct sigaction nsa, osa; 1068 int error; 1069/*XXX*/extern void compat_43_sigvec_to_sigaction 1070(const struct sigvec *, struct sigaction *); 1071/*XXX*/extern void compat_43_sigaction_to_sigvec 1072(const struct sigaction *, struct sigvec *); 1073 1074 if (SCARG(uap, nsv)) { 1075 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1076 if (error != 0) 1077 return (error); 1078 1079 /* 1080 * SunOS uses the mask 0x0004 as SV_RESETHAND 1081 * meaning: `reset to SIG_DFL on delivery'. 1082 * We support only the bits in: 0xF 1083 * (those bits are the same as ours) 1084 */ 1085 if (nsv.sv_flags & ~0xF) 1086 return (EINVAL); 1087 1088 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1089 } 1090 error = sigaction1(l, SCARG(uap, signum), 1091 SCARG(uap, nsv) ? &nsa : 0, 1092 SCARG(uap, osv) ? &osa : 0, 1093 NULL, 0); 1094 if (error != 0) 1095 return (error); 1096 1097 if (SCARG(uap, osv)) { 1098 compat_43_sigaction_to_sigvec(&osa, &osv); 1099 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1100 if (error != 0) 1101 return (error); 1102 } 1103 1104 return (0); 1105} 1106