1 /* $NetBSD: sunos32_misc.c,v 1.59 2008/03/21 21:54:59 ad Exp $ */ 2 /* from :NetBSD: sunos_misc.c,v 1.107 2000/12/01 19:25:10 jdolecek Exp */ 3 4 /* 5 * Copyright (c) 2001 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1992, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This software was developed by the Computer Systems Engineering group 37 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 38 * contributed to Berkeley. 39 * 40 * All advertising materials mentioning features or use of this software 41 * must display the following acknowledgement: 42 * This product includes software developed by the University of 43 * California, Lawrence Berkeley Laboratory. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 * 69 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 70 * 71 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 72 */ 73 74 /* 75 * SunOS compatibility module, 64-bit kernel version 76 * 77 * SunOS system calls that are implemented differently in BSD are 78 * handled here. 79 */ 80 81 #include <sys/cdefs.h> 82 __KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.59 2008/03/21 21:54:59 ad Exp $"); 83 84 #define COMPAT_SUNOS 1 85 86 #if defined(_KERNEL_OPT) 87 #include "opt_nfsserver.h" 88 #include "opt_compat_43.h" 89 #include "opt_compat_netbsd.h" 90 #include "opt_ptrace.h" 91 #include "fs_nfs.h" 92 #endif 93 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/namei.h> 97 #include <sys/proc.h> 98 #include <sys/dirent.h> 99 #include <sys/file.h> 100 #include <sys/stat.h> 101 #include <sys/filedesc.h> 102 #include <sys/ioctl.h> 103 #include <sys/kernel.h> 104 #include <sys/reboot.h> 105 #include <sys/malloc.h> 106 #include <sys/mbuf.h> 107 #include <sys/mman.h> 108 #include <sys/mount.h> 109 #include <sys/ptrace.h> 110 #include <sys/resource.h> 111 #include <sys/resourcevar.h> 112 #include <sys/signal.h> 113 #include <sys/signalvar.h> 114 #include <sys/socket.h> 115 #include <sys/tty.h> 116 #include <sys/vnode.h> 117 #include <sys/uio.h> 118 #include <sys/wait.h> 119 #include <sys/utsname.h> 120 #include <sys/unistd.h> 121 #include <sys/syscall.h> 122 #include <sys/syscallargs.h> 123 #include <sys/conf.h> 124 #include <sys/socketvar.h> 125 #include <sys/exec.h> 126 #include <sys/swap.h> 127 #include <sys/kauth.h> 128 #include <sys/vfs_syscalls.h> 129 130 #include <compat/netbsd32/netbsd32.h> 131 #include <compat/netbsd32/netbsd32_syscallargs.h> 132 #include <compat/sunos32/sunos32.h> 133 #include <compat/sunos32/sunos32_dirent.h> 134 #include <compat/sunos32/sunos32_syscallargs.h> 135 #include <compat/common/compat_util.h> 136 #include <compat/sys/mount.h> 137 138 #include <netinet/in.h> 139 140 #include <miscfs/specfs/specdev.h> 141 142 #include <nfs/rpcv2.h> 143 #include <nfs/nfsproto.h> 144 #include <nfs/nfs.h> 145 #include <nfs/nfsmount.h> 146 147 static void sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *, struct sigaction *); 148 static void sunos32_sigvec_from_sigaction(struct netbsd32_sigvec *, const struct sigaction *); 149 150 static int sunstatfs(struct statvfs *, void *); 151 152 static void 153 sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *sv, struct sigaction *sa) 154 { 155 /*XXX*/ extern void compat_43_sigmask_to_sigset(const int *, sigset_t *); 156 157 sa->sa_handler = NETBSD32PTR64(sv->sv_handler); 158 compat_43_sigmask_to_sigset(&sv->sv_mask, &sa->sa_mask); 159 sa->sa_flags = sv->sv_flags ^ SA_RESTART; 160 } 161 162 static 163 void sunos32_sigvec_from_sigaction(sv, sa) 164 struct netbsd32_sigvec *sv; 165 const struct sigaction *sa; 166 { 167 /*XXX*/ extern void compat_43_sigset_to_sigmask(const sigset_t *, int *); 168 169 NETBSD32PTR32(sv->sv_handler, sa->sa_handler); 170 compat_43_sigset_to_sigmask(&sa->sa_mask, &sv->sv_mask); 171 sv->sv_flags = sa->sa_flags ^ SA_RESTART; 172 } 173 174 int 175 sunos32_sys_stime(struct lwp *l, const struct sunos32_sys_stime_args *uap, register_t *retval) 176 { 177 /* { 178 syscallarg(sunos32_time_tp) tp; 179 } */ 180 struct netbsd32_timeval ntv; 181 struct timeval tv; 182 int error; 183 184 error = copyin(SCARG_P32(uap, tp), &ntv.tv_sec, sizeof(ntv.tv_sec)); 185 if (error) 186 return error; 187 tv.tv_sec = ntv.tv_sec; 188 tv.tv_usec = 0; 189 190 return settimeofday1(&tv, false, NULL, l, true); 191 } 192 193 int 194 sunos32_sys_wait4(struct lwp *l, const struct sunos32_sys_wait4_args *uap, register_t *retval) 195 { 196 /* { 197 syscallarg(int) pid; 198 syscallarg(netbsd32_intp) status; 199 syscallarg(int) options; 200 syscallarg(netbsd32_rusagep_t) rusage; 201 } */ 202 203 struct netbsd32_wait4_args bsd_ua; 204 205 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 206 SCARG(&bsd_ua, status) = SCARG(uap, status); 207 SCARG(&bsd_ua, options) = SCARG(uap, options); 208 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 209 210 return netbsd32_wait4(l, &bsd_ua, retval); 211 } 212 213 int 214 sunos32_sys_creat(struct lwp *l, const struct sunos32_sys_creat_args *uap, register_t *retval) 215 { 216 /* { 217 syscallarg(const netbsd32_charp) path; 218 syscallarg(int) mode; 219 } */ 220 struct sys_open_args ua; 221 222 SUNOS32TOP_UAP(path, const char); 223 SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; 224 SUNOS32TO64_UAP(mode); 225 226 return (sys_open(l, &ua, retval)); 227 } 228 229 int 230 sunos32_sys_access(struct lwp *l, const struct sunos32_sys_access_args *uap, register_t *retval) 231 { 232 /* { 233 syscallarg(const netbsd32_charp) path; 234 syscallarg(int) flags; 235 } */ 236 struct sys_access_args ua; 237 238 SUNOS32TOP_UAP(path, const char); 239 SUNOS32TO64_UAP(flags); 240 241 return (sys_access(l, &ua, retval)); 242 } 243 244 static inline void sunos32_from___stat13(struct stat *, struct netbsd32_stat43 *); 245 246 static inline void 247 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p) 248 { 249 sb32p->st_dev = sbp->st_dev; 250 sb32p->st_ino = sbp->st_ino; 251 sb32p->st_mode = sbp->st_mode; 252 sb32p->st_nlink = sbp->st_nlink; 253 sb32p->st_uid = sbp->st_uid; 254 sb32p->st_gid = sbp->st_gid; 255 sb32p->st_rdev = sbp->st_rdev; 256 if (sbp->st_size < (quad_t)1 << 32) 257 sb32p->st_size = sbp->st_size; 258 else 259 sb32p->st_size = -2; 260 sb32p->st_atimespec.tv_sec = (netbsd32_time_t)sbp->st_atimespec.tv_sec; 261 sb32p->st_atimespec.tv_nsec = (netbsd32_long)sbp->st_atimespec.tv_nsec; 262 sb32p->st_mtimespec.tv_sec = (netbsd32_time_t)sbp->st_mtimespec.tv_sec; 263 sb32p->st_mtimespec.tv_nsec = (netbsd32_long)sbp->st_mtimespec.tv_nsec; 264 sb32p->st_ctimespec.tv_sec = (netbsd32_time_t)sbp->st_ctimespec.tv_sec; 265 sb32p->st_ctimespec.tv_nsec = (netbsd32_long)sbp->st_ctimespec.tv_nsec; 266 sb32p->st_blksize = sbp->st_blksize; 267 sb32p->st_blocks = sbp->st_blocks; 268 sb32p->st_flags = sbp->st_flags; 269 sb32p->st_gen = sbp->st_gen; 270 } 271 272 273 int 274 sunos32_sys_stat(struct lwp *l, const struct sunos32_sys_stat_args *uap, register_t *retval) 275 { 276 /* { 277 syscallarg(const netbsd32_charp) path; 278 syscallarg(netbsd32_stat43p_t) ub; 279 } */ 280 struct netbsd32_stat43 sb32; 281 struct stat sb; 282 const char *path; 283 int error; 284 285 path = SCARG_P32(uap, path); 286 287 error = do_sys_stat(path, FOLLOW, &sb); 288 if (error) 289 return (error); 290 sunos32_from___stat13(&sb, &sb32); 291 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 292 return (error); 293 } 294 295 int 296 sunos32_sys_lstat(struct lwp *l, const struct sunos32_sys_lstat_args *uap, register_t *retval) 297 { 298 /* { 299 syscallarg(const netbsd32_charp) path; 300 syscallarg(netbsd32_stat43p_t) ub; 301 } */ 302 struct vnode *vp, *dvp; 303 struct stat sb, sb1; 304 struct netbsd32_stat43 sb32; 305 int error; 306 struct nameidata nd; 307 int ndflags; 308 const char *path; 309 310 path = SCARG_P32(uap, path); 311 312 ndflags = NOFOLLOW | LOCKLEAF | LOCKPARENT | TRYEMULROOT; 313 again: 314 NDINIT(&nd, LOOKUP, ndflags, UIO_USERSPACE, path); 315 if ((error = namei(&nd))) { 316 if (error == EISDIR && (ndflags & LOCKPARENT) != 0) { 317 /* 318 * Should only happen on '/'. Retry without LOCKPARENT; 319 * this is safe since the vnode won't be a VLNK. 320 */ 321 ndflags &= ~LOCKPARENT; 322 goto again; 323 } 324 return (error); 325 } 326 /* 327 * For symbolic links, always return the attributes of its 328 * containing directory, except for mode, size, and links. 329 */ 330 vp = nd.ni_vp; 331 dvp = nd.ni_dvp; 332 if (vp->v_type != VLNK) { 333 if ((ndflags & LOCKPARENT) != 0) { 334 if (dvp == vp) 335 vrele(dvp); 336 else 337 vput(dvp); 338 } 339 error = vn_stat(vp, &sb); 340 vput(vp); 341 if (error) 342 return (error); 343 } else { 344 error = vn_stat(dvp, &sb); 345 vput(dvp); 346 if (error) { 347 vput(vp); 348 return (error); 349 } 350 error = vn_stat(vp, &sb1); 351 vput(vp); 352 if (error) 353 return (error); 354 sb.st_mode &= ~S_IFDIR; 355 sb.st_mode |= S_IFLNK; 356 sb.st_nlink = sb1.st_nlink; 357 sb.st_size = sb1.st_size; 358 sb.st_blocks = sb1.st_blocks; 359 } 360 sunos32_from___stat13(&sb, &sb32); 361 error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 362 return (error); 363 } 364 365 static int 366 sunos32_execve_fetch_element(char * const *array, size_t index, char **value) 367 { 368 int error; 369 netbsd32_charp const *a32 = (void const *)array; 370 netbsd32_charp e; 371 372 error = copyin(a32 + index, &e, sizeof(e)); 373 if (error) 374 return error; 375 *value = NETBSD32PTR64(e); 376 return 0; 377 } 378 379 int 380 sunos32_sys_execv(struct lwp *l, const struct sunos32_sys_execv_args *uap, register_t *retval) 381 { 382 /* { 383 syscallarg(const char *) path; 384 syscallarg(char **) argv; 385 } */ 386 const char *path = SCARG_P32(uap, path); 387 388 return execve1(l, path, SCARG_P32(uap, argp), NULL, 389 sunos32_execve_fetch_element); 390 } 391 392 int 393 sunos32_sys_execve(struct lwp *l, const struct sunos32_sys_execve_args *uap, register_t *retval) 394 { 395 /* { 396 syscallarg(const char *) path; 397 syscallarg(char **) argv; 398 syscallarg(char **) envp; 399 } */ 400 const char *path = SCARG_P32(uap, path); 401 402 return execve1(l, path, SCARG_P32(uap, argp), 403 SCARG_P32(uap, envp), 404 sunos32_execve_fetch_element); 405 } 406 407 int 408 sunos32_sys_omsync(struct lwp *l, const struct sunos32_sys_omsync_args *uap, register_t *retval) 409 { 410 /* { 411 syscallarg(netbsd32_caddr_t) addr; 412 syscallarg(netbsd32_size_t) len; 413 syscallarg(int) flags; 414 } */ 415 struct netbsd32___msync13_args ouap; 416 417 SCARG(&ouap, addr) = SCARG(uap, addr); 418 SCARG(&ouap, len) = SCARG(uap, len); 419 SCARG(&ouap, flags) = SCARG(uap, flags); 420 421 return (netbsd32___msync13(l, &ouap, retval)); 422 } 423 424 int 425 sunos32_sys_unmount(struct lwp *l, const struct sunos32_sys_unmount_args *uap, register_t *retval) 426 { 427 /* { 428 syscallarg(netbsd32_charp) path; 429 } */ 430 struct sys_unmount_args ua; 431 432 SUNOS32TOP_UAP(path, const char); 433 SCARG(&ua, flags) = 0; 434 435 return (sys_unmount(l, &ua, retval)); 436 } 437 438 /* 439 * Conversion table for SunOS NFS mount flags. 440 */ 441 static struct { 442 int sun_flg; 443 int bsd_flg; 444 } sunnfs_flgtab[] = { 445 { SUNNFS_SOFT, NFSMNT_SOFT }, 446 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 447 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 448 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 449 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 450 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 451 { SUNNFS_INT, NFSMNT_INT }, 452 { SUNNFS_NOAC, 0 }, /* Ignored */ 453 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 454 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 455 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 456 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 457 { SUNNFS_SECURE, 0 }, /* Ignored */ 458 { SUNNFS_NOCTO, 0 }, /* Ignored */ 459 { SUNNFS_POSIX, 0 } /* Ignored */ 460 }; 461 462 int 463 sunos32_sys_mount(struct lwp *l, const struct sunos32_sys_mount_args *uap, register_t *retval) 464 { 465 /* { 466 syscallarg(netbsd32_charp) type; 467 syscallarg(netbsd32_charp) path; 468 syscallarg(int) flags; 469 syscallarg(netbsd32_caddr_t) data; 470 } */ 471 int oflags = SCARG(uap, flags), nflags, error; 472 char fsname[MFSNAMELEN]; 473 register_t dummy; 474 475 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 476 return (EINVAL); 477 if ((oflags & SUNM_NEWTYPE) == 0) 478 return (EINVAL); 479 nflags = 0; 480 if (oflags & SUNM_RDONLY) 481 nflags |= MNT_RDONLY; 482 if (oflags & SUNM_NOSUID) 483 nflags |= MNT_NOSUID; 484 if (oflags & SUNM_REMOUNT) 485 nflags |= MNT_UPDATE; 486 487 error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL); 488 if (error) 489 return (error); 490 491 if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 492 struct sunos_nfs_args sna; 493 struct nfs_args na; /* XXX */ 494 int n; 495 496 error = copyin(SCARG_P32(uap, data), &sna, sizeof sna); 497 if (error) 498 return (error); 499 /* sa.sa_len = sizeof(sain); */ 500 na.version = NFS_ARGSVERSION; 501 na.addr = (void *)sna.addr; 502 na.addrlen = sizeof(struct sockaddr); 503 na.sotype = SOCK_DGRAM; 504 na.proto = IPPROTO_UDP; 505 na.fh = sna.fh; 506 na.fhsize = NFSX_V2FH; 507 na.flags = 0; 508 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 509 while (--n >= 0) 510 if (sna.flags & sunnfs_flgtab[n].sun_flg) 511 na.flags |= sunnfs_flgtab[n].bsd_flg; 512 na.wsize = sna.wsize; 513 na.rsize = sna.rsize; 514 if (na.flags & NFSMNT_RSIZE) { 515 na.flags |= NFSMNT_READDIRSIZE; 516 na.readdirsize = na.rsize; 517 } 518 na.timeo = sna.timeo; 519 na.retrans = sna.retrans; 520 na.hostname = (char *)(u_long)sna.hostname; 521 522 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 523 SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na, 524 &dummy); 525 } 526 527 if (strcmp(fsname, "4.2") == 0) 528 strcpy(fsname, "ffs"); 529 530 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 531 SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE, 532 0, &dummy); 533 } 534 535 #if defined(NFS) 536 int 537 async_daemon(struct lwp *l, const void *v, register_t *retval) 538 { 539 struct netbsd32_nfssvc_args ouap; 540 541 SCARG(&ouap, flag) = NFSSVC_BIOD; 542 NETBSD32PTR32(SCARG(&ouap, argp), 0); 543 544 return (netbsd32_nfssvc(l, &ouap, retval)); 545 } 546 #endif /* NFS */ 547 548 void native_to_sunos_sigset(const sigset_t *, int *); 549 void sunos_to_native_sigset(const int, sigset_t *); 550 551 inline void 552 native_to_sunos_sigset(const sigset_t *ss, int *mask) 553 { 554 *mask = ss->__bits[0]; 555 } 556 557 inline void 558 sunos_to_native_sigset(const int mask, sigset_t *ss) 559 { 560 561 ss->__bits[0] = mask; 562 ss->__bits[1] = 0; 563 ss->__bits[2] = 0; 564 ss->__bits[3] = 0; 565 } 566 567 int 568 sunos32_sys_sigpending(struct lwp *l, const struct sunos32_sys_sigpending_args *uap, register_t *retval) 569 { 570 /* { 571 syscallarg(netbsd32_intp) mask; 572 } */ 573 sigset_t ss; 574 int mask; 575 576 sigpending1(l, &ss); 577 native_to_sunos_sigset(&ss, &mask); 578 579 return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int))); 580 } 581 582 int 583 sunos32_sys_sigsuspend(struct lwp *l, const struct sunos32_sys_sigsuspend_args *uap, register_t *retval) 584 { 585 /* { 586 syscallarg(int) mask; 587 } */ 588 int mask; 589 sigset_t ss; 590 591 mask = SCARG(uap, mask); 592 sunos_to_native_sigset(mask, &ss); 593 return (sigsuspend1(l, &ss)); 594 } 595 596 /* 597 * Read Sun-style directory entries. We suck them into kernel space so 598 * that they can be massaged before being copied out to user code. Like 599 * SunOS, we squish out `empty' entries. 600 * 601 * This is quite ugly, but what do you expect from compatibility code? 602 */ 603 int 604 sunos32_sys_getdents(struct lwp *l, const struct sunos32_sys_getdents_args *uap, register_t *retval) 605 { 606 /* { 607 syscallarg(int) fd; 608 syscallarg(netbsd32_charp) buf; 609 syscallarg(int) nbytes; 610 } */ 611 struct dirent *bdp; 612 struct vnode *vp; 613 char *inp, *sbuf; /* BSD-format */ 614 int len, reclen; /* BSD-format */ 615 char *outp; /* Sun-format */ 616 int resid, sunos_reclen;/* Sun-format */ 617 struct file *fp; 618 struct uio auio; 619 struct iovec aiov; 620 struct sunos32_dirent idb; 621 off_t off; /* true file offset */ 622 int buflen, error, eofflag; 623 off_t *cookiebuf, *cookie; 624 int ncookies; 625 626 /* getvnode() will use the descriptor for us */ 627 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 628 return (error); 629 630 if ((fp->f_flag & FREAD) == 0) { 631 error = EBADF; 632 goto out1; 633 } 634 635 vp = fp->f_data; 636 if (vp->v_type != VDIR) { 637 error = EINVAL; 638 goto out1; 639 } 640 641 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 642 sbuf = malloc(buflen, M_TEMP, M_WAITOK); 643 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 644 off = fp->f_offset; 645 again: 646 aiov.iov_base = sbuf; 647 aiov.iov_len = buflen; 648 auio.uio_iov = &aiov; 649 auio.uio_iovcnt = 1; 650 auio.uio_rw = UIO_READ; 651 auio.uio_resid = buflen; 652 auio.uio_offset = off; 653 UIO_SETUP_SYSSPACE(&auio); 654 /* 655 * First we read into the malloc'ed buffer, then 656 * we massage it into user space, one record at a time. 657 */ 658 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 659 &ncookies); 660 if (error) 661 goto out; 662 663 inp = sbuf; 664 outp = SCARG_P32(uap, buf); 665 resid = SCARG(uap, nbytes); 666 if ((len = buflen - auio.uio_resid) == 0) 667 goto eof; 668 669 for (cookie = cookiebuf; len > 0; len -= reclen) { 670 bdp = (struct dirent *)inp; 671 reclen = bdp->d_reclen; 672 if (reclen & 3) 673 panic("sunos_getdents"); 674 if (cookie && (*cookie >> 32) != 0) { 675 compat_offseterr(vp, "sunos_getdents"); 676 error = EINVAL; 677 goto out; 678 } 679 if (bdp->d_fileno == 0) { 680 inp += reclen; /* it is a hole; squish it out */ 681 if (cookie) 682 off = *cookie++; 683 else 684 off += reclen; 685 continue; 686 } 687 sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen); 688 if (reclen > len || resid < sunos_reclen) { 689 /* entry too big for buffer, so just stop */ 690 outp++; 691 break; 692 } 693 if (cookie) 694 off = *cookie++; /* each entry points to next */ 695 else 696 off += reclen; 697 /* 698 * Massage in place to make a Sun-shaped dirent (otherwise 699 * we have to worry about touching user memory outside of 700 * the copyout() call). 701 */ 702 idb.d_fileno = bdp->d_fileno; 703 idb.d_off = off; 704 idb.d_reclen = sunos_reclen; 705 idb.d_namlen = bdp->d_namlen; 706 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 707 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 708 goto out; 709 /* advance past this real entry */ 710 inp += reclen; 711 /* advance output past Sun-shaped entry */ 712 outp += sunos_reclen; 713 resid -= sunos_reclen; 714 } 715 716 /* if we squished out the whole block, try again */ 717 if (outp == SCARG_P32(uap, buf)) 718 goto again; 719 fp->f_offset = off; /* update the vnode offset */ 720 721 eof: 722 *retval = SCARG(uap, nbytes) - resid; 723 out: 724 VOP_UNLOCK(vp, 0); 725 free(cookiebuf, M_TEMP); 726 free(sbuf, M_TEMP); 727 out1: 728 fd_putfile(SCARG(uap, fd)); 729 return (error); 730 } 731 732 #define SUNOS32__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 733 734 int 735 sunos32_sys_mmap(struct lwp *l, const struct sunos32_sys_mmap_args *uap, register_t *retval) 736 { 737 /* { 738 syscallarg(netbsd32_voidp) addr; 739 syscallarg(netbsd32_size_t) len; 740 syscallarg(int) prot; 741 syscallarg(int) flags; 742 syscallarg(int) fd; 743 syscallarg(netbsd32_long) pos; 744 } */ 745 struct sys_mmap_args ua; 746 int error; 747 748 /* 749 * Verify the arguments. 750 */ 751 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 752 return (EINVAL); /* XXX still needed? */ 753 754 if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0) 755 return (EINVAL); 756 757 SUNOS32TOP_UAP(addr, void); 758 SUNOS32TOX_UAP(len, size_t); 759 SUNOS32TO64_UAP(prot); 760 SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW; 761 SUNOS32TO64_UAP(fd); 762 SCARG(&ua, pad) = 0; 763 SUNOS32TOX_UAP(pos, off_t); 764 765 error = sys_mmap(l, &ua, retval); 766 if ((u_long)*retval > (u_long)UINT_MAX) { 767 printf("sunos32_mmap: retval out of range: 0x%lx", 768 (u_long)*retval); 769 /* Should try to recover and return an error here. */ 770 } 771 return (error); 772 } 773 774 #define MC_SYNC 1 775 #define MC_LOCK 2 776 #define MC_UNLOCK 3 777 #define MC_ADVISE 4 778 #define MC_LOCKAS 5 779 #define MC_UNLOCKAS 6 780 781 int 782 sunos32_sys_mctl(struct lwp *l, const struct sunos32_sys_mctl_args *uap, register_t *retval) 783 { 784 /* { 785 syscallarg(netbsd32_voidp) addr; 786 syscallarg(int) len; 787 syscallarg(int) func; 788 syscallarg(netbsd32_voidp) arg; 789 } */ 790 791 switch (SCARG(uap, func)) { 792 case MC_ADVISE: /* ignore for now */ 793 return (0); 794 case MC_SYNC: /* translate to msync */ 795 return (netbsd32___msync13(l, (const void *)uap, retval)); 796 default: 797 return (EINVAL); 798 } 799 } 800 801 int 802 sunos32_sys_setsockopt(struct lwp *l, const struct sunos32_sys_setsockopt_args *uap, register_t *retval) 803 { 804 /* { 805 syscallarg(int) s; 806 syscallarg(int) level; 807 syscallarg(int) name; 808 syscallarg(netbsd32_caddr_t) val; 809 syscallarg(int) valsize; 810 } */ 811 struct socket *so; 812 struct mbuf *m = NULL; 813 int name = SCARG(uap, name); 814 int error; 815 816 /* getsock() will use the descriptor for us */ 817 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 818 return (error); 819 #define SO_DONTLINGER (~SO_LINGER) 820 if (name == SO_DONTLINGER) { 821 m = m_get(M_WAIT, MT_SOOPTS); 822 mtod(m, struct linger *)->l_onoff = 0; 823 m->m_len = sizeof(struct linger); 824 error = sosetopt(so, SCARG(uap, level), SO_LINGER, m); 825 goto out; 826 } 827 if (SCARG(uap, level) == IPPROTO_IP) { 828 #define SUNOS_IP_MULTICAST_IF 2 829 #define SUNOS_IP_MULTICAST_TTL 3 830 #define SUNOS_IP_MULTICAST_LOOP 4 831 #define SUNOS_IP_ADD_MEMBERSHIP 5 832 #define SUNOS_IP_DROP_MEMBERSHIP 6 833 static const int ipoptxlat[] = { 834 IP_MULTICAST_IF, 835 IP_MULTICAST_TTL, 836 IP_MULTICAST_LOOP, 837 IP_ADD_MEMBERSHIP, 838 IP_DROP_MEMBERSHIP 839 }; 840 if (name >= SUNOS_IP_MULTICAST_IF && 841 name <= SUNOS_IP_DROP_MEMBERSHIP) { 842 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 843 } 844 } 845 if (SCARG(uap, valsize) > MLEN) { 846 error = EINVAL; 847 goto out; 848 } 849 if (SCARG_P32(uap, val)) { 850 m = m_get(M_WAIT, MT_SOOPTS); 851 error = copyin(SCARG_P32(uap, val), mtod(m, void *), 852 (u_int)SCARG(uap, valsize)); 853 if (error) { 854 (void) m_free(m); 855 goto out; 856 } 857 m->m_len = SCARG(uap, valsize); 858 } 859 error = sosetopt(so, SCARG(uap, level), name, m); 860 out: 861 fd_putfile(SCARG(uap, s)); 862 return (error); 863 } 864 865 static inline int sunos32_sys_socket_common(struct lwp *, register_t *, 866 int type); 867 static inline int 868 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type) 869 { 870 struct socket *so; 871 int error, fd; 872 873 /* getsock() will use the descriptor for us */ 874 fd = (int)*retval; 875 if ((error = fd_getsock(fd, &so)) == 0) { 876 if (type == SOCK_DGRAM) 877 so->so_options |= SO_BROADCAST; 878 fd_putfile(fd); 879 } 880 return (error); 881 } 882 883 int 884 sunos32_sys_socket(struct lwp *l, const struct sunos32_sys_socket_args *uap, register_t *retval) 885 { 886 /* { 887 syscallarg(int) domain; 888 syscallarg(int) type; 889 syscallarg(int) protocol; 890 } */ 891 int error; 892 893 error = netbsd32_sys___socket30(l, (const void *)uap, retval); 894 if (error) 895 return (error); 896 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 897 } 898 899 int 900 sunos32_sys_socketpair(struct lwp *l, const struct sunos32_sys_socketpair_args *uap, register_t *retval) 901 { 902 /* { 903 syscallarg(int) domain; 904 syscallarg(int) type; 905 syscallarg(int) protocol; 906 syscallarg(int *) rsv; 907 } */ 908 int error; 909 910 error = netbsd32_socketpair(l, (const void *)uap, retval); 911 if (error) 912 return (error); 913 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 914 } 915 916 917 /* 918 * XXX: This needs cleaning up. 919 */ 920 int 921 sunos32_sys_auditsys(struct lwp *l, const struct sunos32_sys_auditsys_args *uap, register_t *retval) 922 { 923 return 0; 924 } 925 926 int 927 sunos32_sys_uname(struct lwp *l, const struct sunos32_sys_uname_args *uap, register_t *retval) 928 { 929 /* { 930 syscallarg(sunos32_utsnamep_t) name; 931 } */ 932 struct sunos_utsname sut; 933 934 memset(&sut, 0, sizeof(sut)); 935 936 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 937 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 938 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 939 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 940 memcpy(sut.version, "1", sizeof(sut.version) - 1); 941 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 942 943 return copyout((void *)&sut, SCARG_P32(uap, name), 944 sizeof(struct sunos_utsname)); 945 } 946 947 int 948 sunos32_sys_setpgrp(struct lwp *l, const struct sunos32_sys_setpgrp_args *uap, register_t *retval) 949 { 950 /* { 951 syscallarg(int) pid; 952 syscallarg(int) pgid; 953 } */ 954 struct proc *p = l->l_proc; 955 956 /* 957 * difference to our setpgid call is to include backwards 958 * compatibility to pre-setsid() binaries. Do setsid() 959 * instead of setpgid() in those cases where the process 960 * tries to create a new session the old way. 961 */ 962 if (!SCARG(uap, pgid) && 963 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 964 return sys_setsid(l, NULL, retval); 965 else 966 return netbsd32_setpgid(l, (const void *)uap, retval); 967 } 968 969 int 970 sunos32_sys_open(struct lwp *l, const struct sunos32_sys_open_args *uap, register_t *retval) 971 { 972 /* { 973 syscallarg(const netbsd32_charp) path; 974 syscallarg(int) flags; 975 syscallarg(int) mode; 976 } */ 977 struct proc *p = l->l_proc; 978 struct sys_open_args ua; 979 int lf, r; 980 int noctty; 981 int ret; 982 983 /* convert mode into NetBSD mode */ 984 lf = SCARG(uap, flags); 985 noctty = lf & 0x8000; 986 r = (lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 987 r |= ((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 988 r |= ((lf & 0x0080) ? O_SHLOCK : 0); 989 r |= ((lf & 0x0100) ? O_EXLOCK : 0); 990 r |= ((lf & 0x2000) ? O_FSYNC : 0); 991 992 SUNOS32TOP_UAP(path, const char); 993 SCARG(&ua, flags) = r; 994 SUNOS32TO64_UAP(mode); 995 996 ret = sys_open(l, &ua, retval); 997 998 /* XXXSMP unlocked */ 999 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 1000 file_t *fp; 1001 int fd; 1002 1003 fd = (int)*retval; 1004 fp = fd_getfile(fd); 1005 1006 /* ignore any error, just give it a try */ 1007 if (fp != NULL) { 1008 if (fp->f_type == DTYPE_VNODE) 1009 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 1010 fd_putfile(fd); 1011 } 1012 } 1013 return ret; 1014 } 1015 1016 #if defined (NFSSERVER) 1017 int 1018 sunos32_sys_nfssvc(struct lwp *l, const struct sunos32_sys_nfssvc_args *uap, register_t *retval) 1019 { 1020 #if 0 1021 struct emul *e = p->p_emul; 1022 struct sys_nfssvc_args outuap; 1023 struct sockaddr sa; 1024 int error; 1025 void *sg = stackgap_init(p, 0); 1026 1027 memset(&outuap, 0, sizeof outuap); 1028 SCARG(&outuap, fd) = SCARG(uap, fd); 1029 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 1030 SCARG(&outuap, msklen) = sizeof(sa); 1031 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 1032 SCARG(&outuap, mtchlen) = sizeof(sa); 1033 1034 memset(&sa, 0, sizeof sa); 1035 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 1036 return (error); 1037 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 1038 return (error); 1039 1040 return nfssvc(l, &outuap, retval); 1041 #else 1042 return (ENOSYS); 1043 #endif 1044 } 1045 #endif /* NFSSERVER */ 1046 1047 int 1048 sunos32_sys_ustat(struct lwp *l, const struct sunos32_sys_ustat_args *uap, register_t *retval) 1049 { 1050 /* { 1051 syscallarg(int) dev; 1052 syscallarg(sunos32_ustatp_t) buf; 1053 } */ 1054 struct sunos_ustat us; 1055 int error; 1056 1057 memset(&us, 0, sizeof us); 1058 1059 /* 1060 * XXX: should set f_tfree and f_tinode at least 1061 * How do we translate dev -> fstat? (and then to sunos_ustat) 1062 */ 1063 1064 if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0) 1065 return (error); 1066 return 0; 1067 } 1068 1069 int 1070 sunos32_sys_quotactl(struct lwp *l, const struct sunos32_sys_quotactl_args *uap, register_t *retval) 1071 { 1072 1073 return EINVAL; 1074 } 1075 1076 int 1077 sunos32_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 1078 { 1079 struct proc *p = l->l_proc; 1080 struct session *sp = p->p_session; 1081 1082 if (sp->s_ttyvp == 0) 1083 return 0; 1084 1085 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 1086 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 1087 1088 (void) ttywait(sp->s_ttyp); 1089 if (sp->s_ttyvp) 1090 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 1091 if (sp->s_ttyvp) 1092 vrele(sp->s_ttyvp); 1093 sp->s_ttyvp = NULL; 1094 1095 return 0; 1096 } 1097 1098 static int 1099 sunstatfs(struct statvfs *sp, void *sbuf) 1100 { 1101 struct sunos_statfs ssfs; 1102 1103 memset(&ssfs, 0, sizeof ssfs); 1104 ssfs.f_type = 0; 1105 ssfs.f_bsize = sp->f_bsize; 1106 ssfs.f_blocks = sp->f_blocks; 1107 ssfs.f_bfree = sp->f_bfree; 1108 ssfs.f_bavail = sp->f_bavail; 1109 ssfs.f_files = sp->f_files; 1110 ssfs.f_ffree = sp->f_ffree; 1111 ssfs.f_fsid = sp->f_fsidx; 1112 return copyout((void *)&ssfs, sbuf, sizeof ssfs); 1113 } 1114 1115 int 1116 sunos32_sys_statfs(struct lwp *l, const struct sunos32_sys_statfs_args *uap, register_t *retval) 1117 { 1118 /* { 1119 syscallarg(const netbsd32_charp) path; 1120 syscallarg(sunos32_statfsp_t) buf; 1121 } */ 1122 struct mount *mp; 1123 struct statvfs *sp; 1124 int error; 1125 struct nameidata nd; 1126 struct sys_statvfs1_args ua; 1127 1128 SUNOS32TOP_UAP(path, const char); 1129 1130 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 1131 SCARG(&ua, path)); 1132 if ((error = namei(&nd)) != 0) 1133 return (error); 1134 mp = nd.ni_vp->v_mount; 1135 sp = &mp->mnt_stat; 1136 vrele(nd.ni_vp); 1137 if ((error = VFS_STATVFS(mp, sp)) != 0) 1138 return (error); 1139 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1140 return sunstatfs(sp, SCARG_P32(uap, buf)); 1141 } 1142 1143 int 1144 sunos32_sys_fstatfs(struct lwp *l, const struct sunos32_sys_fstatfs_args *uap, register_t *retval) 1145 { 1146 /* { 1147 syscallarg(int) fd; 1148 syscallarg(sunos32_statfsp_t) buf; 1149 } */ 1150 file_t *fp; 1151 struct mount *mp; 1152 struct statvfs *sp; 1153 int error; 1154 1155 /* getvnode() will use the descriptor for us */ 1156 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1157 return (error); 1158 mp = ((struct vnode *)fp->f_data)->v_mount; 1159 sp = &mp->mnt_stat; 1160 if ((error = VFS_STATVFS(mp, sp)) != 0) 1161 goto out; 1162 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1163 error = sunstatfs(sp, SCARG_P32(uap, buf)); 1164 out: 1165 fd_putfile(SCARG(uap, fd)); 1166 return (error); 1167 } 1168 1169 int 1170 sunos32_sys_exportfs(struct lwp *l, const struct sunos32_sys_exportfs_args *uap, register_t *retval) 1171 { 1172 /* 1173 * XXX: should perhaps translate into a mount(2) 1174 * with MOUNT_EXPORT? 1175 */ 1176 return 0; 1177 } 1178 1179 int 1180 sunos32_sys_mknod(struct lwp *l, const struct sunos32_sys_mknod_args *uap, register_t *retval) 1181 { 1182 /* { 1183 syscallarg(const netbsd32_charp) path; 1184 syscallarg(int) mode; 1185 syscallarg(int) dev; 1186 } */ 1187 1188 if (S_ISFIFO(SCARG(uap, mode))) 1189 return netbsd32_mkfifo(l, (const struct netbsd32_mkfifo_args *)uap, retval); 1190 1191 return netbsd32_mknod(l, (const struct netbsd32_mknod_args *)uap, retval); 1192 } 1193 1194 #define SUNOS_SC_ARG_MAX 1 1195 #define SUNOS_SC_CHILD_MAX 2 1196 #define SUNOS_SC_CLK_TCK 3 1197 #define SUNOS_SC_NGROUPS_MAX 4 1198 #define SUNOS_SC_OPEN_MAX 5 1199 #define SUNOS_SC_JOB_CONTROL 6 1200 #define SUNOS_SC_SAVED_IDS 7 1201 #define SUNOS_SC_VERSION 8 1202 1203 int 1204 sunos32_sys_sysconf(struct lwp *l, const struct sunos32_sys_sysconf_args *uap, register_t *retval) 1205 { 1206 /* { 1207 syscallarg(int) name; 1208 } */ 1209 extern u_int maxfiles; 1210 1211 switch(SCARG(uap, name)) { 1212 case SUNOS_SC_ARG_MAX: 1213 *retval = ARG_MAX; 1214 break; 1215 case SUNOS_SC_CHILD_MAX: 1216 *retval = maxproc; 1217 break; 1218 case SUNOS_SC_CLK_TCK: 1219 *retval = 60; /* should this be `hz', ie. 100? */ 1220 break; 1221 case SUNOS_SC_NGROUPS_MAX: 1222 *retval = NGROUPS_MAX; 1223 break; 1224 case SUNOS_SC_OPEN_MAX: 1225 *retval = maxfiles; 1226 break; 1227 case SUNOS_SC_JOB_CONTROL: 1228 *retval = 1; 1229 break; 1230 case SUNOS_SC_SAVED_IDS: 1231 #ifdef _POSIX_SAVED_IDS 1232 *retval = 1; 1233 #else 1234 *retval = 0; 1235 #endif 1236 break; 1237 case SUNOS_SC_VERSION: 1238 *retval = 198808; 1239 break; 1240 default: 1241 return EINVAL; 1242 } 1243 return 0; 1244 } 1245 1246 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1247 #define SUNOS_RLIM_NLIMITS 7 1248 1249 int 1250 sunos32_sys_getrlimit(struct lwp *l, const struct sunos32_sys_getrlimit_args *uap, register_t *retval) 1251 { 1252 /* { 1253 syscallarg(u_int) which; 1254 syscallarg(netbsd32_orlimitp_t) rlp; 1255 } */ 1256 struct compat_43_netbsd32_ogetrlimit_args ua_43; 1257 1258 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1259 return EINVAL; 1260 1261 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1262 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1263 1264 return compat_43_netbsd32_ogetrlimit(l, &ua_43, retval); 1265 } 1266 1267 int 1268 sunos32_sys_setrlimit(struct lwp *l, const struct sunos32_sys_setrlimit_args *uap, register_t *retval) 1269 { 1270 /* { 1271 syscallarg(u_int) which; 1272 syscallarg(netbsd32_orlimitp_t) rlp; 1273 } */ 1274 struct compat_43_netbsd32_osetrlimit_args ua_43; 1275 1276 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1277 return EINVAL; 1278 1279 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1280 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1281 1282 return compat_43_netbsd32_osetrlimit(l, &ua_43, retval); 1283 } 1284 1285 #if defined(PTRACE) || defined(_LKM) 1286 /* for the m68k machines */ 1287 #ifndef PT_GETFPREGS 1288 #define PT_GETFPREGS -1 1289 #endif 1290 #ifndef PT_SETFPREGS 1291 #define PT_SETFPREGS -1 1292 #endif 1293 1294 static const int sreq2breq[] = { 1295 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1296 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1297 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1298 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1299 }; 1300 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1301 #endif 1302 1303 int 1304 sunos32_sys_ptrace(struct lwp *l, const struct sunos32_sys_ptrace_args *uap, register_t *retval) 1305 { 1306 #if defined(PTRACE) || defined(_LKM) 1307 /* { 1308 syscallarg(int) req; 1309 syscallarg(pid_t) pid; 1310 syscallarg(netbsd32_caddr_t) addr; 1311 syscallarg(int) data; 1312 syscallarg(netbsd32_charp) addr2; 1313 } */ 1314 struct netbsd32_ptrace_args pa; 1315 int req; 1316 1317 #ifdef _LKM 1318 #define sys_ptrace sysent[SYS_ptrace].sy_call 1319 if (sys_ptrace == sys_nosys) 1320 return ENOSYS; 1321 #endif 1322 1323 req = SCARG(uap, req); 1324 if ((unsigned int)req >= nreqs) 1325 return (EINVAL); 1326 1327 req = sreq2breq[req]; 1328 if (req == -1) 1329 return (EINVAL); 1330 1331 SCARG(&pa, req) = req; 1332 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1333 SCARG(&pa, addr) = SCARG(uap, addr); 1334 SCARG(&pa, data) = SCARG(uap, data); 1335 1336 return netbsd32_ptrace(l, &pa, retval); 1337 #else 1338 return (ENOSYS); 1339 #endif /* PTRACE || _LKM */ 1340 } 1341 1342 /* 1343 * SunOS reboot system call (for compatibility). 1344 * Sun lets you pass in a boot string which the PROM 1345 * saves and provides to the next boot program. 1346 */ 1347 1348 #define SUNOS_RB_ASKNAME 0x001 1349 #define SUNOS_RB_SINGLE 0x002 1350 #define SUNOS_RB_NOSYNC 0x004 1351 #define SUNOS_RB_HALT 0x008 1352 #define SUNOS_RB_DUMP 0x080 1353 #define SUNOS_RB_STRING 0x200 1354 1355 static struct sunos_howto_conv { 1356 int sun_howto; 1357 int bsd_howto; 1358 } sunos_howto_conv[] = { 1359 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1360 { SUNOS_RB_SINGLE, RB_SINGLE }, 1361 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1362 { SUNOS_RB_HALT, RB_HALT }, 1363 { SUNOS_RB_DUMP, RB_DUMP }, 1364 { SUNOS_RB_STRING, RB_STRING }, 1365 { 0x000, 0 }, 1366 }; 1367 1368 int 1369 sunos32_sys_reboot(struct lwp *l, const struct sunos32_sys_reboot_args *uap, register_t *retval) 1370 { 1371 /* { 1372 syscallarg(int) howto; 1373 syscallarg(netbsd32_charp) bootstr; 1374 } */ 1375 struct sys_reboot_args ua; 1376 struct sunos_howto_conv *convp; 1377 int error, bsd_howto, sun_howto; 1378 char *bootstr; 1379 1380 if ((error = kauth_authorize_system(l->l_cred, 1381 KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0) 1382 return (error); 1383 1384 /* 1385 * Convert howto bits to BSD format. 1386 */ 1387 sun_howto = SCARG(uap, howto); 1388 bsd_howto = 0; 1389 convp = sunos_howto_conv; 1390 while (convp->sun_howto) { 1391 if (sun_howto & convp->sun_howto) 1392 bsd_howto |= convp->bsd_howto; 1393 convp++; 1394 } 1395 1396 /* 1397 * Sun RB_STRING (Get user supplied bootstring.) 1398 * If the machine supports passing a string to the 1399 * next booted kernel. 1400 */ 1401 if (sun_howto & SUNOS_RB_STRING) 1402 bootstr = SCARG_P32(uap, bootstr); 1403 else 1404 bootstr = NULL; 1405 1406 SCARG(&ua, opt) = bsd_howto; 1407 SCARG(&ua, bootstr) = bootstr; 1408 return (sys_reboot(l, &ua, retval)); 1409 } 1410 1411 /* 1412 * Generalized interface signal handler, 4.3-compatible. 1413 */ 1414 /* ARGSUSED */ 1415 int 1416 sunos32_sys_sigvec(struct lwp *l, const struct sunos32_sys_sigvec_args *uap, register_t *retval) 1417 { 1418 /* { 1419 syscallarg(int) signum; 1420 syscallarg(struct sigvec *) nsv; 1421 syscallarg(struct sigvec *) osv; 1422 } */ 1423 struct netbsd32_sigvec sv; 1424 struct sigaction nsa, osa; 1425 int error; 1426 1427 if (SCARG_P32(uap, nsv)) { 1428 error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv)); 1429 if (error != 0) 1430 return (error); 1431 1432 /* 1433 * SunOS uses the mask 0x0004 as SV_RESETHAND 1434 * meaning: `reset to SIG_DFL on delivery'. 1435 * We support only the bits in: 0xF 1436 * (those bits are the same as ours) 1437 */ 1438 if (sv.sv_flags & ~0xF) 1439 return (EINVAL); 1440 1441 sunos32_sigvec_to_sigaction(&sv, &nsa); 1442 } 1443 error = sigaction1(l, SCARG(uap, signum), 1444 SCARG_P32(uap, nsv) ? &nsa : 0, 1445 SCARG_P32(uap, osv) ? &osa : 0, 1446 NULL, 0); 1447 if (error != 0) 1448 return (error); 1449 1450 if (SCARG_P32(uap, osv)) { 1451 sunos32_sigvec_from_sigaction(&sv, &osa); 1452 error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv)); 1453 if (error != 0) 1454 return (error); 1455 } 1456 1457 return (0); 1458 } 1459