1 /* $NetBSD: sunos32_misc.c,v 1.61 2008/06/24 11:18:15 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 1992, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * This software was developed by the Computer Systems Engineering group 35 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 36 * contributed to Berkeley. 37 * 38 * All advertising materials mentioning features or use of this software 39 * must display the following acknowledgement: 40 * This product includes software developed by the University of 41 * California, Lawrence Berkeley Laboratory. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 68 * 69 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 70 */ 71 72 /* 73 * SunOS compatibility module, 64-bit kernel version 74 * 75 * SunOS system calls that are implemented differently in BSD are 76 * handled here. 77 */ 78 79 #include <sys/cdefs.h> 80 __KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.61 2008/06/24 11:18:15 ad Exp $"); 81 82 #define COMPAT_SUNOS 1 83 84 #if defined(_KERNEL_OPT) 85 #include "opt_nfsserver.h" 86 #include "opt_compat_43.h" 87 #include "opt_compat_netbsd.h" 88 #include "opt_ptrace.h" 89 #include "fs_nfs.h" 90 #endif 91 92 #include <sys/param.h> 93 #include <sys/systm.h> 94 #include <sys/namei.h> 95 #include <sys/proc.h> 96 #include <sys/dirent.h> 97 #include <sys/file.h> 98 #include <sys/stat.h> 99 #include <sys/filedesc.h> 100 #include <sys/ioctl.h> 101 #include <sys/kernel.h> 102 #include <sys/reboot.h> 103 #include <sys/malloc.h> 104 #include <sys/mbuf.h> 105 #include <sys/mman.h> 106 #include <sys/mount.h> 107 #include <sys/ptrace.h> 108 #include <sys/resource.h> 109 #include <sys/resourcevar.h> 110 #include <sys/signal.h> 111 #include <sys/signalvar.h> 112 #include <sys/socket.h> 113 #include <sys/tty.h> 114 #include <sys/vnode.h> 115 #include <sys/uio.h> 116 #include <sys/wait.h> 117 #include <sys/utsname.h> 118 #include <sys/unistd.h> 119 #include <sys/syscall.h> 120 #include <sys/syscallargs.h> 121 #include <sys/conf.h> 122 #include <sys/socketvar.h> 123 #include <sys/exec.h> 124 #include <sys/swap.h> 125 #include <sys/kauth.h> 126 #include <sys/vfs_syscalls.h> 127 128 #include <compat/netbsd32/netbsd32.h> 129 #include <compat/netbsd32/netbsd32_syscallargs.h> 130 #include <compat/sunos32/sunos32.h> 131 #include <compat/sunos32/sunos32_dirent.h> 132 #include <compat/sunos32/sunos32_syscallargs.h> 133 #include <compat/common/compat_util.h> 134 #include <compat/sys/mount.h> 135 136 #include <netinet/in.h> 137 138 #include <miscfs/specfs/specdev.h> 139 140 #include <nfs/rpcv2.h> 141 #include <nfs/nfsproto.h> 142 #include <nfs/nfs.h> 143 #include <nfs/nfsmount.h> 144 145 static void sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *, struct sigaction *); 146 static void sunos32_sigvec_from_sigaction(struct netbsd32_sigvec *, const struct sigaction *); 147 148 static int sunstatfs(struct statvfs *, void *); 149 150 static void 151 sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *sv, struct sigaction *sa) 152 { 153 /*XXX*/ extern void compat_43_sigmask_to_sigset(const int *, sigset_t *); 154 155 sa->sa_handler = NETBSD32PTR64(sv->sv_handler); 156 compat_43_sigmask_to_sigset(&sv->sv_mask, &sa->sa_mask); 157 sa->sa_flags = sv->sv_flags ^ SA_RESTART; 158 } 159 160 static 161 void sunos32_sigvec_from_sigaction(sv, sa) 162 struct netbsd32_sigvec *sv; 163 const struct sigaction *sa; 164 { 165 /*XXX*/ extern void compat_43_sigset_to_sigmask(const sigset_t *, int *); 166 167 NETBSD32PTR32(sv->sv_handler, sa->sa_handler); 168 compat_43_sigset_to_sigmask(&sa->sa_mask, &sv->sv_mask); 169 sv->sv_flags = sa->sa_flags ^ SA_RESTART; 170 } 171 172 int 173 sunos32_sys_stime(struct lwp *l, const struct sunos32_sys_stime_args *uap, register_t *retval) 174 { 175 /* { 176 syscallarg(sunos32_time_tp) tp; 177 } */ 178 struct netbsd32_timeval ntv; 179 struct timeval tv; 180 int error; 181 182 error = copyin(SCARG_P32(uap, tp), &ntv.tv_sec, sizeof(ntv.tv_sec)); 183 if (error) 184 return error; 185 tv.tv_sec = ntv.tv_sec; 186 tv.tv_usec = 0; 187 188 return settimeofday1(&tv, false, NULL, l, true); 189 } 190 191 int 192 sunos32_sys_wait4(struct lwp *l, const struct sunos32_sys_wait4_args *uap, register_t *retval) 193 { 194 /* { 195 syscallarg(int) pid; 196 syscallarg(netbsd32_intp) status; 197 syscallarg(int) options; 198 syscallarg(netbsd32_rusagep_t) rusage; 199 } */ 200 201 struct netbsd32_wait4_args bsd_ua; 202 203 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 204 SCARG(&bsd_ua, status) = SCARG(uap, status); 205 SCARG(&bsd_ua, options) = SCARG(uap, options); 206 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 207 208 return netbsd32_wait4(l, &bsd_ua, retval); 209 } 210 211 int 212 sunos32_sys_creat(struct lwp *l, const struct sunos32_sys_creat_args *uap, register_t *retval) 213 { 214 /* { 215 syscallarg(const netbsd32_charp) path; 216 syscallarg(int) mode; 217 } */ 218 struct sys_open_args ua; 219 220 SUNOS32TOP_UAP(path, const char); 221 SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; 222 SUNOS32TO64_UAP(mode); 223 224 return (sys_open(l, &ua, retval)); 225 } 226 227 int 228 sunos32_sys_access(struct lwp *l, const struct sunos32_sys_access_args *uap, register_t *retval) 229 { 230 /* { 231 syscallarg(const netbsd32_charp) path; 232 syscallarg(int) flags; 233 } */ 234 struct sys_access_args ua; 235 236 SUNOS32TOP_UAP(path, const char); 237 SUNOS32TO64_UAP(flags); 238 239 return (sys_access(l, &ua, retval)); 240 } 241 242 static inline void sunos32_from___stat13(struct stat *, struct netbsd32_stat43 *); 243 244 static inline void 245 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p) 246 { 247 sb32p->st_dev = sbp->st_dev; 248 sb32p->st_ino = sbp->st_ino; 249 sb32p->st_mode = sbp->st_mode; 250 sb32p->st_nlink = sbp->st_nlink; 251 sb32p->st_uid = sbp->st_uid; 252 sb32p->st_gid = sbp->st_gid; 253 sb32p->st_rdev = sbp->st_rdev; 254 if (sbp->st_size < (quad_t)1 << 32) 255 sb32p->st_size = sbp->st_size; 256 else 257 sb32p->st_size = -2; 258 sb32p->st_atimespec.tv_sec = (netbsd32_time_t)sbp->st_atimespec.tv_sec; 259 sb32p->st_atimespec.tv_nsec = (netbsd32_long)sbp->st_atimespec.tv_nsec; 260 sb32p->st_mtimespec.tv_sec = (netbsd32_time_t)sbp->st_mtimespec.tv_sec; 261 sb32p->st_mtimespec.tv_nsec = (netbsd32_long)sbp->st_mtimespec.tv_nsec; 262 sb32p->st_ctimespec.tv_sec = (netbsd32_time_t)sbp->st_ctimespec.tv_sec; 263 sb32p->st_ctimespec.tv_nsec = (netbsd32_long)sbp->st_ctimespec.tv_nsec; 264 sb32p->st_blksize = sbp->st_blksize; 265 sb32p->st_blocks = sbp->st_blocks; 266 sb32p->st_flags = sbp->st_flags; 267 sb32p->st_gen = sbp->st_gen; 268 } 269 270 271 int 272 sunos32_sys_stat(struct lwp *l, const struct sunos32_sys_stat_args *uap, register_t *retval) 273 { 274 /* { 275 syscallarg(const netbsd32_charp) path; 276 syscallarg(netbsd32_stat43p_t) ub; 277 } */ 278 struct netbsd32_stat43 sb32; 279 struct stat sb; 280 const char *path; 281 int error; 282 283 path = SCARG_P32(uap, path); 284 285 error = do_sys_stat(path, FOLLOW, &sb); 286 if (error) 287 return (error); 288 sunos32_from___stat13(&sb, &sb32); 289 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 290 return (error); 291 } 292 293 int 294 sunos32_sys_lstat(struct lwp *l, const struct sunos32_sys_lstat_args *uap, register_t *retval) 295 { 296 /* { 297 syscallarg(const netbsd32_charp) path; 298 syscallarg(netbsd32_stat43p_t) ub; 299 } */ 300 struct vnode *vp, *dvp; 301 struct stat sb, sb1; 302 struct netbsd32_stat43 sb32; 303 int error; 304 struct nameidata nd; 305 int ndflags; 306 const char *path; 307 308 path = SCARG_P32(uap, path); 309 310 ndflags = NOFOLLOW | LOCKLEAF | LOCKPARENT | TRYEMULROOT; 311 again: 312 NDINIT(&nd, LOOKUP, ndflags, UIO_USERSPACE, path); 313 if ((error = namei(&nd))) { 314 if (error == EISDIR && (ndflags & LOCKPARENT) != 0) { 315 /* 316 * Should only happen on '/'. Retry without LOCKPARENT; 317 * this is safe since the vnode won't be a VLNK. 318 */ 319 ndflags &= ~LOCKPARENT; 320 goto again; 321 } 322 return (error); 323 } 324 /* 325 * For symbolic links, always return the attributes of its 326 * containing directory, except for mode, size, and links. 327 */ 328 vp = nd.ni_vp; 329 dvp = nd.ni_dvp; 330 if (vp->v_type != VLNK) { 331 if ((ndflags & LOCKPARENT) != 0) { 332 if (dvp == vp) 333 vrele(dvp); 334 else 335 vput(dvp); 336 } 337 error = vn_stat(vp, &sb); 338 vput(vp); 339 if (error) 340 return (error); 341 } else { 342 error = vn_stat(dvp, &sb); 343 vput(dvp); 344 if (error) { 345 vput(vp); 346 return (error); 347 } 348 error = vn_stat(vp, &sb1); 349 vput(vp); 350 if (error) 351 return (error); 352 sb.st_mode &= ~S_IFDIR; 353 sb.st_mode |= S_IFLNK; 354 sb.st_nlink = sb1.st_nlink; 355 sb.st_size = sb1.st_size; 356 sb.st_blocks = sb1.st_blocks; 357 } 358 sunos32_from___stat13(&sb, &sb32); 359 error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 360 return (error); 361 } 362 363 static int 364 sunos32_execve_fetch_element(char * const *array, size_t index, char **value) 365 { 366 int error; 367 netbsd32_charp const *a32 = (void const *)array; 368 netbsd32_charp e; 369 370 error = copyin(a32 + index, &e, sizeof(e)); 371 if (error) 372 return error; 373 *value = NETBSD32PTR64(e); 374 return 0; 375 } 376 377 int 378 sunos32_sys_execv(struct lwp *l, const struct sunos32_sys_execv_args *uap, register_t *retval) 379 { 380 /* { 381 syscallarg(const char *) path; 382 syscallarg(char **) argv; 383 } */ 384 const char *path = SCARG_P32(uap, path); 385 386 return execve1(l, path, SCARG_P32(uap, argp), NULL, 387 sunos32_execve_fetch_element); 388 } 389 390 int 391 sunos32_sys_execve(struct lwp *l, const struct sunos32_sys_execve_args *uap, register_t *retval) 392 { 393 /* { 394 syscallarg(const char *) path; 395 syscallarg(char **) argv; 396 syscallarg(char **) envp; 397 } */ 398 const char *path = SCARG_P32(uap, path); 399 400 return execve1(l, path, SCARG_P32(uap, argp), 401 SCARG_P32(uap, envp), 402 sunos32_execve_fetch_element); 403 } 404 405 int 406 sunos32_sys_omsync(struct lwp *l, const struct sunos32_sys_omsync_args *uap, register_t *retval) 407 { 408 /* { 409 syscallarg(netbsd32_caddr_t) addr; 410 syscallarg(netbsd32_size_t) len; 411 syscallarg(int) flags; 412 } */ 413 struct netbsd32___msync13_args ouap; 414 415 SCARG(&ouap, addr) = SCARG(uap, addr); 416 SCARG(&ouap, len) = SCARG(uap, len); 417 SCARG(&ouap, flags) = SCARG(uap, flags); 418 419 return (netbsd32___msync13(l, &ouap, retval)); 420 } 421 422 int 423 sunos32_sys_unmount(struct lwp *l, const struct sunos32_sys_unmount_args *uap, register_t *retval) 424 { 425 /* { 426 syscallarg(netbsd32_charp) path; 427 } */ 428 struct sys_unmount_args ua; 429 430 SUNOS32TOP_UAP(path, const char); 431 SCARG(&ua, flags) = 0; 432 433 return (sys_unmount(l, &ua, retval)); 434 } 435 436 /* 437 * Conversion table for SunOS NFS mount flags. 438 */ 439 static struct { 440 int sun_flg; 441 int bsd_flg; 442 } sunnfs_flgtab[] = { 443 { SUNNFS_SOFT, NFSMNT_SOFT }, 444 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 445 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 446 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 447 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 448 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 449 { SUNNFS_INT, NFSMNT_INT }, 450 { SUNNFS_NOAC, 0 }, /* Ignored */ 451 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 452 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 453 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 454 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 455 { SUNNFS_SECURE, 0 }, /* Ignored */ 456 { SUNNFS_NOCTO, 0 }, /* Ignored */ 457 { SUNNFS_POSIX, 0 } /* Ignored */ 458 }; 459 460 int 461 sunos32_sys_mount(struct lwp *l, const struct sunos32_sys_mount_args *uap, register_t *retval) 462 { 463 /* { 464 syscallarg(netbsd32_charp) type; 465 syscallarg(netbsd32_charp) path; 466 syscallarg(int) flags; 467 syscallarg(netbsd32_caddr_t) data; 468 } */ 469 int oflags = SCARG(uap, flags), nflags, error; 470 char fsname[MFSNAMELEN]; 471 register_t dummy; 472 473 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 474 return (EINVAL); 475 if ((oflags & SUNM_NEWTYPE) == 0) 476 return (EINVAL); 477 nflags = 0; 478 if (oflags & SUNM_RDONLY) 479 nflags |= MNT_RDONLY; 480 if (oflags & SUNM_NOSUID) 481 nflags |= MNT_NOSUID; 482 if (oflags & SUNM_REMOUNT) 483 nflags |= MNT_UPDATE; 484 485 error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL); 486 if (error) 487 return (error); 488 489 if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 490 struct sunos_nfs_args sna; 491 struct nfs_args na; /* XXX */ 492 int n; 493 494 error = copyin(SCARG_P32(uap, data), &sna, sizeof sna); 495 if (error) 496 return (error); 497 /* sa.sa_len = sizeof(sain); */ 498 na.version = NFS_ARGSVERSION; 499 na.addr = (void *)sna.addr; 500 na.addrlen = sizeof(struct sockaddr); 501 na.sotype = SOCK_DGRAM; 502 na.proto = IPPROTO_UDP; 503 na.fh = sna.fh; 504 na.fhsize = NFSX_V2FH; 505 na.flags = 0; 506 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 507 while (--n >= 0) 508 if (sna.flags & sunnfs_flgtab[n].sun_flg) 509 na.flags |= sunnfs_flgtab[n].bsd_flg; 510 na.wsize = sna.wsize; 511 na.rsize = sna.rsize; 512 if (na.flags & NFSMNT_RSIZE) { 513 na.flags |= NFSMNT_READDIRSIZE; 514 na.readdirsize = na.rsize; 515 } 516 na.timeo = sna.timeo; 517 na.retrans = sna.retrans; 518 na.hostname = (char *)(u_long)sna.hostname; 519 520 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 521 SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na, 522 &dummy); 523 } 524 525 if (strcmp(fsname, "4.2") == 0) 526 strcpy(fsname, "ffs"); 527 528 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 529 SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE, 530 0, &dummy); 531 } 532 533 #if defined(NFS) 534 int 535 async_daemon(struct lwp *l, const void *v, register_t *retval) 536 { 537 struct netbsd32_nfssvc_args ouap; 538 539 SCARG(&ouap, flag) = NFSSVC_BIOD; 540 NETBSD32PTR32(SCARG(&ouap, argp), 0); 541 542 return (netbsd32_nfssvc(l, &ouap, retval)); 543 } 544 #endif /* NFS */ 545 546 void native_to_sunos_sigset(const sigset_t *, int *); 547 void sunos_to_native_sigset(const int, sigset_t *); 548 549 inline void 550 native_to_sunos_sigset(const sigset_t *ss, int *mask) 551 { 552 *mask = ss->__bits[0]; 553 } 554 555 inline void 556 sunos_to_native_sigset(const int mask, sigset_t *ss) 557 { 558 559 ss->__bits[0] = mask; 560 ss->__bits[1] = 0; 561 ss->__bits[2] = 0; 562 ss->__bits[3] = 0; 563 } 564 565 int 566 sunos32_sys_sigpending(struct lwp *l, const struct sunos32_sys_sigpending_args *uap, register_t *retval) 567 { 568 /* { 569 syscallarg(netbsd32_intp) mask; 570 } */ 571 sigset_t ss; 572 int mask; 573 574 sigpending1(l, &ss); 575 native_to_sunos_sigset(&ss, &mask); 576 577 return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int))); 578 } 579 580 int 581 sunos32_sys_sigsuspend(struct lwp *l, const struct sunos32_sys_sigsuspend_args *uap, register_t *retval) 582 { 583 /* { 584 syscallarg(int) mask; 585 } */ 586 int mask; 587 sigset_t ss; 588 589 mask = SCARG(uap, mask); 590 sunos_to_native_sigset(mask, &ss); 591 return (sigsuspend1(l, &ss)); 592 } 593 594 /* 595 * Read Sun-style directory entries. We suck them into kernel space so 596 * that they can be massaged before being copied out to user code. Like 597 * SunOS, we squish out `empty' entries. 598 * 599 * This is quite ugly, but what do you expect from compatibility code? 600 */ 601 int 602 sunos32_sys_getdents(struct lwp *l, const struct sunos32_sys_getdents_args *uap, register_t *retval) 603 { 604 /* { 605 syscallarg(int) fd; 606 syscallarg(netbsd32_charp) buf; 607 syscallarg(int) nbytes; 608 } */ 609 struct dirent *bdp; 610 struct vnode *vp; 611 char *inp, *sbuf; /* BSD-format */ 612 int len, reclen; /* BSD-format */ 613 char *outp; /* Sun-format */ 614 int resid, sunos_reclen;/* Sun-format */ 615 struct file *fp; 616 struct uio auio; 617 struct iovec aiov; 618 struct sunos32_dirent idb; 619 off_t off; /* true file offset */ 620 int buflen, error, eofflag; 621 off_t *cookiebuf, *cookie; 622 int ncookies; 623 624 /* fd_getvnode() will use the descriptor for us */ 625 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 626 return (error); 627 628 if ((fp->f_flag & FREAD) == 0) { 629 error = EBADF; 630 goto out1; 631 } 632 633 vp = fp->f_data; 634 if (vp->v_type != VDIR) { 635 error = EINVAL; 636 goto out1; 637 } 638 639 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 640 sbuf = malloc(buflen, M_TEMP, M_WAITOK); 641 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 642 off = fp->f_offset; 643 again: 644 aiov.iov_base = sbuf; 645 aiov.iov_len = buflen; 646 auio.uio_iov = &aiov; 647 auio.uio_iovcnt = 1; 648 auio.uio_rw = UIO_READ; 649 auio.uio_resid = buflen; 650 auio.uio_offset = off; 651 UIO_SETUP_SYSSPACE(&auio); 652 /* 653 * First we read into the malloc'ed buffer, then 654 * we massage it into user space, one record at a time. 655 */ 656 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 657 &ncookies); 658 if (error) 659 goto out; 660 661 inp = sbuf; 662 outp = SCARG_P32(uap, buf); 663 resid = SCARG(uap, nbytes); 664 if ((len = buflen - auio.uio_resid) == 0) 665 goto eof; 666 667 for (cookie = cookiebuf; len > 0; len -= reclen) { 668 bdp = (struct dirent *)inp; 669 reclen = bdp->d_reclen; 670 if (reclen & 3) 671 panic("sunos_getdents"); 672 if (cookie && (*cookie >> 32) != 0) { 673 compat_offseterr(vp, "sunos_getdents"); 674 error = EINVAL; 675 goto out; 676 } 677 if (bdp->d_fileno == 0) { 678 inp += reclen; /* it is a hole; squish it out */ 679 if (cookie) 680 off = *cookie++; 681 else 682 off += reclen; 683 continue; 684 } 685 sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen); 686 if (reclen > len || resid < sunos_reclen) { 687 /* entry too big for buffer, so just stop */ 688 outp++; 689 break; 690 } 691 if (cookie) 692 off = *cookie++; /* each entry points to next */ 693 else 694 off += reclen; 695 /* 696 * Massage in place to make a Sun-shaped dirent (otherwise 697 * we have to worry about touching user memory outside of 698 * the copyout() call). 699 */ 700 idb.d_fileno = bdp->d_fileno; 701 idb.d_off = off; 702 idb.d_reclen = sunos_reclen; 703 idb.d_namlen = bdp->d_namlen; 704 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 705 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 706 goto out; 707 /* advance past this real entry */ 708 inp += reclen; 709 /* advance output past Sun-shaped entry */ 710 outp += sunos_reclen; 711 resid -= sunos_reclen; 712 } 713 714 /* if we squished out the whole block, try again */ 715 if (outp == SCARG_P32(uap, buf)) 716 goto again; 717 fp->f_offset = off; /* update the vnode offset */ 718 719 eof: 720 *retval = SCARG(uap, nbytes) - resid; 721 out: 722 VOP_UNLOCK(vp, 0); 723 free(cookiebuf, M_TEMP); 724 free(sbuf, M_TEMP); 725 out1: 726 fd_putfile(SCARG(uap, fd)); 727 return (error); 728 } 729 730 #define SUNOS32__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 731 732 int 733 sunos32_sys_mmap(struct lwp *l, const struct sunos32_sys_mmap_args *uap, register_t *retval) 734 { 735 /* { 736 syscallarg(netbsd32_voidp) addr; 737 syscallarg(netbsd32_size_t) len; 738 syscallarg(int) prot; 739 syscallarg(int) flags; 740 syscallarg(int) fd; 741 syscallarg(netbsd32_long) pos; 742 } */ 743 struct sys_mmap_args ua; 744 int error; 745 746 /* 747 * Verify the arguments. 748 */ 749 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 750 return (EINVAL); /* XXX still needed? */ 751 752 if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0) 753 return (EINVAL); 754 755 SUNOS32TOP_UAP(addr, void); 756 SUNOS32TOX_UAP(len, size_t); 757 SUNOS32TO64_UAP(prot); 758 SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW; 759 SUNOS32TO64_UAP(fd); 760 SCARG(&ua, pad) = 0; 761 SUNOS32TOX_UAP(pos, off_t); 762 763 error = sys_mmap(l, &ua, retval); 764 if ((u_long)*retval > (u_long)UINT_MAX) { 765 printf("sunos32_mmap: retval out of range: 0x%lx", 766 (u_long)*retval); 767 /* Should try to recover and return an error here. */ 768 } 769 return (error); 770 } 771 772 #define MC_SYNC 1 773 #define MC_LOCK 2 774 #define MC_UNLOCK 3 775 #define MC_ADVISE 4 776 #define MC_LOCKAS 5 777 #define MC_UNLOCKAS 6 778 779 int 780 sunos32_sys_mctl(struct lwp *l, const struct sunos32_sys_mctl_args *uap, register_t *retval) 781 { 782 /* { 783 syscallarg(netbsd32_voidp) addr; 784 syscallarg(int) len; 785 syscallarg(int) func; 786 syscallarg(netbsd32_voidp) arg; 787 } */ 788 789 switch (SCARG(uap, func)) { 790 case MC_ADVISE: /* ignore for now */ 791 return (0); 792 case MC_SYNC: /* translate to msync */ 793 return (netbsd32___msync13(l, (const void *)uap, retval)); 794 default: 795 return (EINVAL); 796 } 797 } 798 799 int 800 sunos32_sys_setsockopt(struct lwp *l, const struct sunos32_sys_setsockopt_args *uap, register_t *retval) 801 { 802 /* { 803 syscallarg(int) s; 804 syscallarg(int) level; 805 syscallarg(int) name; 806 syscallarg(netbsd32_caddr_t) val; 807 syscallarg(int) valsize; 808 } */ 809 struct socket *so; 810 struct mbuf *m = NULL; 811 int name = SCARG(uap, name); 812 int error; 813 814 /* fd_getsock() will use the descriptor for us */ 815 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 816 return (error); 817 #define SO_DONTLINGER (~SO_LINGER) 818 if (name == SO_DONTLINGER) { 819 m = m_get(M_WAIT, MT_SOOPTS); 820 mtod(m, struct linger *)->l_onoff = 0; 821 m->m_len = sizeof(struct linger); 822 error = sosetopt(so, SCARG(uap, level), SO_LINGER, m); 823 goto out; 824 } 825 if (SCARG(uap, level) == IPPROTO_IP) { 826 #define SUNOS_IP_MULTICAST_IF 2 827 #define SUNOS_IP_MULTICAST_TTL 3 828 #define SUNOS_IP_MULTICAST_LOOP 4 829 #define SUNOS_IP_ADD_MEMBERSHIP 5 830 #define SUNOS_IP_DROP_MEMBERSHIP 6 831 static const int ipoptxlat[] = { 832 IP_MULTICAST_IF, 833 IP_MULTICAST_TTL, 834 IP_MULTICAST_LOOP, 835 IP_ADD_MEMBERSHIP, 836 IP_DROP_MEMBERSHIP 837 }; 838 if (name >= SUNOS_IP_MULTICAST_IF && 839 name <= SUNOS_IP_DROP_MEMBERSHIP) { 840 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 841 } 842 } 843 if (SCARG(uap, valsize) > MLEN) { 844 error = EINVAL; 845 goto out; 846 } 847 if (SCARG_P32(uap, val)) { 848 m = m_get(M_WAIT, MT_SOOPTS); 849 error = copyin(SCARG_P32(uap, val), mtod(m, void *), 850 (u_int)SCARG(uap, valsize)); 851 if (error) { 852 (void) m_free(m); 853 goto out; 854 } 855 m->m_len = SCARG(uap, valsize); 856 } 857 error = sosetopt(so, SCARG(uap, level), name, m); 858 out: 859 fd_putfile(SCARG(uap, s)); 860 return (error); 861 } 862 863 static inline int sunos32_sys_socket_common(struct lwp *, register_t *, 864 int type); 865 static inline int 866 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type) 867 { 868 struct socket *so; 869 int error, fd; 870 871 /* fd_getsock() will use the descriptor for us */ 872 fd = (int)*retval; 873 if ((error = fd_getsock(fd, &so)) == 0) { 874 if (type == SOCK_DGRAM) 875 so->so_options |= SO_BROADCAST; 876 fd_putfile(fd); 877 } 878 return (error); 879 } 880 881 int 882 sunos32_sys_socket(struct lwp *l, const struct sunos32_sys_socket_args *uap, register_t *retval) 883 { 884 /* { 885 syscallarg(int) domain; 886 syscallarg(int) type; 887 syscallarg(int) protocol; 888 } */ 889 int error; 890 891 error = netbsd32_sys___socket30(l, (const void *)uap, retval); 892 if (error) 893 return (error); 894 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 895 } 896 897 int 898 sunos32_sys_socketpair(struct lwp *l, const struct sunos32_sys_socketpair_args *uap, register_t *retval) 899 { 900 /* { 901 syscallarg(int) domain; 902 syscallarg(int) type; 903 syscallarg(int) protocol; 904 syscallarg(int *) rsv; 905 } */ 906 int error; 907 908 error = netbsd32_socketpair(l, (const void *)uap, retval); 909 if (error) 910 return (error); 911 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 912 } 913 914 915 /* 916 * XXX: This needs cleaning up. 917 */ 918 int 919 sunos32_sys_auditsys(struct lwp *l, const struct sunos32_sys_auditsys_args *uap, register_t *retval) 920 { 921 return 0; 922 } 923 924 int 925 sunos32_sys_uname(struct lwp *l, const struct sunos32_sys_uname_args *uap, register_t *retval) 926 { 927 /* { 928 syscallarg(sunos32_utsnamep_t) name; 929 } */ 930 struct sunos_utsname sut; 931 932 memset(&sut, 0, sizeof(sut)); 933 934 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 935 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 936 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 937 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 938 memcpy(sut.version, "1", sizeof(sut.version) - 1); 939 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 940 941 return copyout((void *)&sut, SCARG_P32(uap, name), 942 sizeof(struct sunos_utsname)); 943 } 944 945 int 946 sunos32_sys_setpgrp(struct lwp *l, const struct sunos32_sys_setpgrp_args *uap, register_t *retval) 947 { 948 /* { 949 syscallarg(int) pid; 950 syscallarg(int) pgid; 951 } */ 952 struct proc *p = l->l_proc; 953 954 /* 955 * difference to our setpgid call is to include backwards 956 * compatibility to pre-setsid() binaries. Do setsid() 957 * instead of setpgid() in those cases where the process 958 * tries to create a new session the old way. 959 */ 960 if (!SCARG(uap, pgid) && 961 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 962 return sys_setsid(l, NULL, retval); 963 else 964 return netbsd32_setpgid(l, (const void *)uap, retval); 965 } 966 967 int 968 sunos32_sys_open(struct lwp *l, const struct sunos32_sys_open_args *uap, register_t *retval) 969 { 970 /* { 971 syscallarg(const netbsd32_charp) path; 972 syscallarg(int) flags; 973 syscallarg(int) mode; 974 } */ 975 struct proc *p = l->l_proc; 976 struct sys_open_args ua; 977 int lf, r; 978 int noctty; 979 int ret; 980 981 /* convert mode into NetBSD mode */ 982 lf = SCARG(uap, flags); 983 noctty = lf & 0x8000; 984 r = (lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 985 r |= ((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 986 r |= ((lf & 0x0080) ? O_SHLOCK : 0); 987 r |= ((lf & 0x0100) ? O_EXLOCK : 0); 988 r |= ((lf & 0x2000) ? O_FSYNC : 0); 989 990 SUNOS32TOP_UAP(path, const char); 991 SCARG(&ua, flags) = r; 992 SUNOS32TO64_UAP(mode); 993 994 ret = sys_open(l, &ua, retval); 995 996 /* XXXSMP unlocked */ 997 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 998 file_t *fp; 999 int fd; 1000 1001 fd = (int)*retval; 1002 fp = fd_getfile(fd); 1003 1004 /* ignore any error, just give it a try */ 1005 if (fp != NULL) { 1006 if (fp->f_type == DTYPE_VNODE) 1007 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 1008 fd_putfile(fd); 1009 } 1010 } 1011 return ret; 1012 } 1013 1014 #if defined (NFSSERVER) 1015 int 1016 sunos32_sys_nfssvc(struct lwp *l, const struct sunos32_sys_nfssvc_args *uap, register_t *retval) 1017 { 1018 #if 0 1019 struct emul *e = p->p_emul; 1020 struct sys_nfssvc_args outuap; 1021 struct sockaddr sa; 1022 int error; 1023 void *sg = stackgap_init(p, 0); 1024 1025 memset(&outuap, 0, sizeof outuap); 1026 SCARG(&outuap, fd) = SCARG(uap, fd); 1027 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 1028 SCARG(&outuap, msklen) = sizeof(sa); 1029 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 1030 SCARG(&outuap, mtchlen) = sizeof(sa); 1031 1032 memset(&sa, 0, sizeof sa); 1033 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 1034 return (error); 1035 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 1036 return (error); 1037 1038 return nfssvc(l, &outuap, retval); 1039 #else 1040 return (ENOSYS); 1041 #endif 1042 } 1043 #endif /* NFSSERVER */ 1044 1045 int 1046 sunos32_sys_ustat(struct lwp *l, const struct sunos32_sys_ustat_args *uap, register_t *retval) 1047 { 1048 /* { 1049 syscallarg(int) dev; 1050 syscallarg(sunos32_ustatp_t) buf; 1051 } */ 1052 struct sunos_ustat us; 1053 int error; 1054 1055 memset(&us, 0, sizeof us); 1056 1057 /* 1058 * XXX: should set f_tfree and f_tinode at least 1059 * How do we translate dev -> fstat? (and then to sunos_ustat) 1060 */ 1061 1062 if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0) 1063 return (error); 1064 return 0; 1065 } 1066 1067 int 1068 sunos32_sys_quotactl(struct lwp *l, const struct sunos32_sys_quotactl_args *uap, register_t *retval) 1069 { 1070 1071 return EINVAL; 1072 } 1073 1074 int 1075 sunos32_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 1076 { 1077 struct proc *p = l->l_proc; 1078 struct session *sp = p->p_session; 1079 1080 if (sp->s_ttyvp == 0) 1081 return 0; 1082 1083 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 1084 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 1085 1086 (void) ttywait(sp->s_ttyp); 1087 if (sp->s_ttyvp) 1088 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 1089 if (sp->s_ttyvp) 1090 vrele(sp->s_ttyvp); 1091 sp->s_ttyvp = NULL; 1092 1093 return 0; 1094 } 1095 1096 static int 1097 sunstatfs(struct statvfs *sp, void *sbuf) 1098 { 1099 struct sunos_statfs ssfs; 1100 1101 memset(&ssfs, 0, sizeof ssfs); 1102 ssfs.f_type = 0; 1103 ssfs.f_bsize = sp->f_bsize; 1104 ssfs.f_blocks = sp->f_blocks; 1105 ssfs.f_bfree = sp->f_bfree; 1106 ssfs.f_bavail = sp->f_bavail; 1107 ssfs.f_files = sp->f_files; 1108 ssfs.f_ffree = sp->f_ffree; 1109 ssfs.f_fsid = sp->f_fsidx; 1110 return copyout((void *)&ssfs, sbuf, sizeof ssfs); 1111 } 1112 1113 int 1114 sunos32_sys_statfs(struct lwp *l, const struct sunos32_sys_statfs_args *uap, register_t *retval) 1115 { 1116 /* { 1117 syscallarg(const netbsd32_charp) path; 1118 syscallarg(sunos32_statfsp_t) buf; 1119 } */ 1120 struct mount *mp; 1121 struct statvfs *sp; 1122 int error; 1123 struct nameidata nd; 1124 struct sys_statvfs1_args ua; 1125 1126 SUNOS32TOP_UAP(path, const char); 1127 1128 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 1129 SCARG(&ua, path)); 1130 if ((error = namei(&nd)) != 0) 1131 return (error); 1132 mp = nd.ni_vp->v_mount; 1133 sp = &mp->mnt_stat; 1134 vrele(nd.ni_vp); 1135 if ((error = VFS_STATVFS(mp, sp)) != 0) 1136 return (error); 1137 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1138 return sunstatfs(sp, SCARG_P32(uap, buf)); 1139 } 1140 1141 int 1142 sunos32_sys_fstatfs(struct lwp *l, const struct sunos32_sys_fstatfs_args *uap, register_t *retval) 1143 { 1144 /* { 1145 syscallarg(int) fd; 1146 syscallarg(sunos32_statfsp_t) buf; 1147 } */ 1148 file_t *fp; 1149 struct mount *mp; 1150 struct statvfs *sp; 1151 int error; 1152 1153 /* fd_getvnode() will use the descriptor for us */ 1154 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1155 return (error); 1156 mp = ((struct vnode *)fp->f_data)->v_mount; 1157 sp = &mp->mnt_stat; 1158 if ((error = VFS_STATVFS(mp, sp)) != 0) 1159 goto out; 1160 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1161 error = sunstatfs(sp, SCARG_P32(uap, buf)); 1162 out: 1163 fd_putfile(SCARG(uap, fd)); 1164 return (error); 1165 } 1166 1167 int 1168 sunos32_sys_exportfs(struct lwp *l, const struct sunos32_sys_exportfs_args *uap, register_t *retval) 1169 { 1170 /* 1171 * XXX: should perhaps translate into a mount(2) 1172 * with MOUNT_EXPORT? 1173 */ 1174 return 0; 1175 } 1176 1177 int 1178 sunos32_sys_mknod(struct lwp *l, const struct sunos32_sys_mknod_args *uap, register_t *retval) 1179 { 1180 /* { 1181 syscallarg(const netbsd32_charp) path; 1182 syscallarg(int) mode; 1183 syscallarg(int) dev; 1184 } */ 1185 1186 if (S_ISFIFO(SCARG(uap, mode))) 1187 return netbsd32_mkfifo(l, (const struct netbsd32_mkfifo_args *)uap, retval); 1188 1189 return netbsd32_mknod(l, (const struct netbsd32_mknod_args *)uap, retval); 1190 } 1191 1192 #define SUNOS_SC_ARG_MAX 1 1193 #define SUNOS_SC_CHILD_MAX 2 1194 #define SUNOS_SC_CLK_TCK 3 1195 #define SUNOS_SC_NGROUPS_MAX 4 1196 #define SUNOS_SC_OPEN_MAX 5 1197 #define SUNOS_SC_JOB_CONTROL 6 1198 #define SUNOS_SC_SAVED_IDS 7 1199 #define SUNOS_SC_VERSION 8 1200 1201 int 1202 sunos32_sys_sysconf(struct lwp *l, const struct sunos32_sys_sysconf_args *uap, register_t *retval) 1203 { 1204 /* { 1205 syscallarg(int) name; 1206 } */ 1207 extern u_int maxfiles; 1208 1209 switch(SCARG(uap, name)) { 1210 case SUNOS_SC_ARG_MAX: 1211 *retval = ARG_MAX; 1212 break; 1213 case SUNOS_SC_CHILD_MAX: 1214 *retval = maxproc; 1215 break; 1216 case SUNOS_SC_CLK_TCK: 1217 *retval = 60; /* should this be `hz', ie. 100? */ 1218 break; 1219 case SUNOS_SC_NGROUPS_MAX: 1220 *retval = NGROUPS_MAX; 1221 break; 1222 case SUNOS_SC_OPEN_MAX: 1223 *retval = maxfiles; 1224 break; 1225 case SUNOS_SC_JOB_CONTROL: 1226 *retval = 1; 1227 break; 1228 case SUNOS_SC_SAVED_IDS: 1229 #ifdef _POSIX_SAVED_IDS 1230 *retval = 1; 1231 #else 1232 *retval = 0; 1233 #endif 1234 break; 1235 case SUNOS_SC_VERSION: 1236 *retval = 198808; 1237 break; 1238 default: 1239 return EINVAL; 1240 } 1241 return 0; 1242 } 1243 1244 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1245 #define SUNOS_RLIM_NLIMITS 7 1246 1247 int 1248 sunos32_sys_getrlimit(struct lwp *l, const struct sunos32_sys_getrlimit_args *uap, register_t *retval) 1249 { 1250 /* { 1251 syscallarg(u_int) which; 1252 syscallarg(netbsd32_orlimitp_t) rlp; 1253 } */ 1254 struct compat_43_netbsd32_ogetrlimit_args ua_43; 1255 1256 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1257 return EINVAL; 1258 1259 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1260 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1261 1262 return compat_43_netbsd32_ogetrlimit(l, &ua_43, retval); 1263 } 1264 1265 int 1266 sunos32_sys_setrlimit(struct lwp *l, const struct sunos32_sys_setrlimit_args *uap, register_t *retval) 1267 { 1268 /* { 1269 syscallarg(u_int) which; 1270 syscallarg(netbsd32_orlimitp_t) rlp; 1271 } */ 1272 struct compat_43_netbsd32_osetrlimit_args ua_43; 1273 1274 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1275 return EINVAL; 1276 1277 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1278 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1279 1280 return compat_43_netbsd32_osetrlimit(l, &ua_43, retval); 1281 } 1282 1283 #if defined(PTRACE) || defined(_LKM) 1284 /* for the m68k machines */ 1285 #ifndef PT_GETFPREGS 1286 #define PT_GETFPREGS -1 1287 #endif 1288 #ifndef PT_SETFPREGS 1289 #define PT_SETFPREGS -1 1290 #endif 1291 1292 static const int sreq2breq[] = { 1293 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1294 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1295 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1296 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1297 }; 1298 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1299 #endif 1300 1301 int 1302 sunos32_sys_ptrace(struct lwp *l, const struct sunos32_sys_ptrace_args *uap, register_t *retval) 1303 { 1304 #if defined(PTRACE) || defined(_LKM) 1305 /* { 1306 syscallarg(int) req; 1307 syscallarg(pid_t) pid; 1308 syscallarg(netbsd32_caddr_t) addr; 1309 syscallarg(int) data; 1310 syscallarg(netbsd32_charp) addr2; 1311 } */ 1312 struct netbsd32_ptrace_args pa; 1313 int req; 1314 1315 #ifdef _LKM 1316 #define sys_ptrace sysent[SYS_ptrace].sy_call 1317 if (sys_ptrace == sys_nosys) 1318 return ENOSYS; 1319 #endif 1320 1321 req = SCARG(uap, req); 1322 if ((unsigned int)req >= nreqs) 1323 return (EINVAL); 1324 1325 req = sreq2breq[req]; 1326 if (req == -1) 1327 return (EINVAL); 1328 1329 SCARG(&pa, req) = req; 1330 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1331 SCARG(&pa, addr) = SCARG(uap, addr); 1332 SCARG(&pa, data) = SCARG(uap, data); 1333 1334 return netbsd32_ptrace(l, &pa, retval); 1335 #else 1336 return (ENOSYS); 1337 #endif /* PTRACE || _LKM */ 1338 } 1339 1340 /* 1341 * SunOS reboot system call (for compatibility). 1342 * Sun lets you pass in a boot string which the PROM 1343 * saves and provides to the next boot program. 1344 */ 1345 1346 #define SUNOS_RB_ASKNAME 0x001 1347 #define SUNOS_RB_SINGLE 0x002 1348 #define SUNOS_RB_NOSYNC 0x004 1349 #define SUNOS_RB_HALT 0x008 1350 #define SUNOS_RB_DUMP 0x080 1351 #define SUNOS_RB_STRING 0x200 1352 1353 static struct sunos_howto_conv { 1354 int sun_howto; 1355 int bsd_howto; 1356 } sunos_howto_conv[] = { 1357 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1358 { SUNOS_RB_SINGLE, RB_SINGLE }, 1359 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1360 { SUNOS_RB_HALT, RB_HALT }, 1361 { SUNOS_RB_DUMP, RB_DUMP }, 1362 { SUNOS_RB_STRING, RB_STRING }, 1363 { 0x000, 0 }, 1364 }; 1365 1366 int 1367 sunos32_sys_reboot(struct lwp *l, const struct sunos32_sys_reboot_args *uap, register_t *retval) 1368 { 1369 /* { 1370 syscallarg(int) howto; 1371 syscallarg(netbsd32_charp) bootstr; 1372 } */ 1373 struct sys_reboot_args ua; 1374 struct sunos_howto_conv *convp; 1375 int error, bsd_howto, sun_howto; 1376 char *bootstr; 1377 1378 if ((error = kauth_authorize_system(l->l_cred, 1379 KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0) 1380 return (error); 1381 1382 /* 1383 * Convert howto bits to BSD format. 1384 */ 1385 sun_howto = SCARG(uap, howto); 1386 bsd_howto = 0; 1387 convp = sunos_howto_conv; 1388 while (convp->sun_howto) { 1389 if (sun_howto & convp->sun_howto) 1390 bsd_howto |= convp->bsd_howto; 1391 convp++; 1392 } 1393 1394 /* 1395 * Sun RB_STRING (Get user supplied bootstring.) 1396 * If the machine supports passing a string to the 1397 * next booted kernel. 1398 */ 1399 if (sun_howto & SUNOS_RB_STRING) 1400 bootstr = SCARG_P32(uap, bootstr); 1401 else 1402 bootstr = NULL; 1403 1404 SCARG(&ua, opt) = bsd_howto; 1405 SCARG(&ua, bootstr) = bootstr; 1406 return (sys_reboot(l, &ua, retval)); 1407 } 1408 1409 /* 1410 * Generalized interface signal handler, 4.3-compatible. 1411 */ 1412 /* ARGSUSED */ 1413 int 1414 sunos32_sys_sigvec(struct lwp *l, const struct sunos32_sys_sigvec_args *uap, register_t *retval) 1415 { 1416 /* { 1417 syscallarg(int) signum; 1418 syscallarg(struct sigvec *) nsv; 1419 syscallarg(struct sigvec *) osv; 1420 } */ 1421 struct netbsd32_sigvec sv; 1422 struct sigaction nsa, osa; 1423 int error; 1424 1425 if (SCARG_P32(uap, nsv)) { 1426 error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv)); 1427 if (error != 0) 1428 return (error); 1429 1430 /* 1431 * SunOS uses the mask 0x0004 as SV_RESETHAND 1432 * meaning: `reset to SIG_DFL on delivery'. 1433 * We support only the bits in: 0xF 1434 * (those bits are the same as ours) 1435 */ 1436 if (sv.sv_flags & ~0xF) 1437 return (EINVAL); 1438 1439 sunos32_sigvec_to_sigaction(&sv, &nsa); 1440 } 1441 error = sigaction1(l, SCARG(uap, signum), 1442 SCARG_P32(uap, nsv) ? &nsa : 0, 1443 SCARG_P32(uap, osv) ? &osa : 0, 1444 NULL, 0); 1445 if (error != 0) 1446 return (error); 1447 1448 if (SCARG_P32(uap, osv)) { 1449 sunos32_sigvec_from_sigaction(&sv, &osa); 1450 error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv)); 1451 if (error != 0) 1452 return (error); 1453 } 1454 1455 return (0); 1456 } 1457