1 /* $NetBSD: sunos32_misc.c,v 1.55 2007/12/08 19:29:40 pooka 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 1.55 2007/12/08 19:29:40 pooka 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, void *v, register_t *retval) 176 { 177 struct sunos32_sys_stime_args /* { 178 syscallarg(sunos32_time_tp) tp; 179 } */ *uap = v; 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, void *v, register_t *retval) 195 { 196 struct sunos32_sys_wait4_args /* { 197 syscallarg(int) pid; 198 syscallarg(netbsd32_intp) status; 199 syscallarg(int) options; 200 syscallarg(netbsd32_rusagep_t) rusage; 201 } */ *uap = v; 202 203 if (SCARG(uap, pid) == 0) 204 SCARG(uap, pid) = WAIT_ANY; 205 return (netbsd32_wait4(l, uap, retval)); 206 } 207 208 int 209 sunos32_sys_creat(struct lwp *l, void *v, register_t *retval) 210 { 211 struct sunos32_sys_creat_args /* { 212 syscallarg(const netbsd32_charp) path; 213 syscallarg(int) mode; 214 } */ *uap = v; 215 struct sys_open_args ua; 216 217 SUNOS32TOP_UAP(path, const char); 218 SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; 219 SUNOS32TO64_UAP(mode); 220 221 return (sys_open(l, &ua, retval)); 222 } 223 224 int 225 sunos32_sys_access(struct lwp *l, void *v, register_t *retval) 226 { 227 struct sunos32_sys_access_args /* { 228 syscallarg(const netbsd32_charp) path; 229 syscallarg(int) flags; 230 } */ *uap = v; 231 struct sys_access_args ua; 232 233 SUNOS32TOP_UAP(path, const char); 234 SUNOS32TO64_UAP(flags); 235 236 return (sys_access(l, &ua, retval)); 237 } 238 239 static inline void sunos32_from___stat13(struct stat *, struct netbsd32_stat43 *); 240 241 static inline void 242 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p) 243 { 244 sb32p->st_dev = sbp->st_dev; 245 sb32p->st_ino = sbp->st_ino; 246 sb32p->st_mode = sbp->st_mode; 247 sb32p->st_nlink = sbp->st_nlink; 248 sb32p->st_uid = sbp->st_uid; 249 sb32p->st_gid = sbp->st_gid; 250 sb32p->st_rdev = sbp->st_rdev; 251 if (sbp->st_size < (quad_t)1 << 32) 252 sb32p->st_size = sbp->st_size; 253 else 254 sb32p->st_size = -2; 255 sb32p->st_atimespec.tv_sec = (netbsd32_time_t)sbp->st_atimespec.tv_sec; 256 sb32p->st_atimespec.tv_nsec = (netbsd32_long)sbp->st_atimespec.tv_nsec; 257 sb32p->st_mtimespec.tv_sec = (netbsd32_time_t)sbp->st_mtimespec.tv_sec; 258 sb32p->st_mtimespec.tv_nsec = (netbsd32_long)sbp->st_mtimespec.tv_nsec; 259 sb32p->st_ctimespec.tv_sec = (netbsd32_time_t)sbp->st_ctimespec.tv_sec; 260 sb32p->st_ctimespec.tv_nsec = (netbsd32_long)sbp->st_ctimespec.tv_nsec; 261 sb32p->st_blksize = sbp->st_blksize; 262 sb32p->st_blocks = sbp->st_blocks; 263 sb32p->st_flags = sbp->st_flags; 264 sb32p->st_gen = sbp->st_gen; 265 } 266 267 268 int 269 sunos32_sys_stat(struct lwp *l, void *v, register_t *retval) 270 { 271 struct sunos32_sys_stat_args /* { 272 syscallarg(const netbsd32_charp) path; 273 syscallarg(netbsd32_stat43p_t) ub; 274 } */ *uap = v; 275 struct netbsd32_stat43 sb32; 276 struct stat sb; 277 const char *path; 278 int error; 279 280 path = SCARG_P32(uap, path); 281 282 error = do_sys_stat(l, path, FOLLOW, &sb); 283 if (error) 284 return (error); 285 sunos32_from___stat13(&sb, &sb32); 286 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 287 return (error); 288 } 289 290 int 291 sunos32_sys_lstat(struct lwp *l, void *v, register_t *retval) 292 { 293 struct sunos32_sys_lstat_args /* { 294 syscallarg(const netbsd32_charp) path; 295 syscallarg(netbsd32_stat43p_t) ub; 296 } */ *uap = v; 297 struct vnode *vp, *dvp; 298 struct stat sb, sb1; 299 struct netbsd32_stat43 sb32; 300 int error; 301 struct nameidata nd; 302 int ndflags; 303 const char *path; 304 305 path = SCARG_P32(uap, path); 306 307 ndflags = NOFOLLOW | LOCKLEAF | LOCKPARENT | TRYEMULROOT; 308 again: 309 NDINIT(&nd, LOOKUP, ndflags, UIO_USERSPACE, path); 310 if ((error = namei(&nd))) { 311 if (error == EISDIR && (ndflags & LOCKPARENT) != 0) { 312 /* 313 * Should only happen on '/'. Retry without LOCKPARENT; 314 * this is safe since the vnode won't be a VLNK. 315 */ 316 ndflags &= ~LOCKPARENT; 317 goto again; 318 } 319 return (error); 320 } 321 /* 322 * For symbolic links, always return the attributes of its 323 * containing directory, except for mode, size, and links. 324 */ 325 vp = nd.ni_vp; 326 dvp = nd.ni_dvp; 327 if (vp->v_type != VLNK) { 328 if ((ndflags & LOCKPARENT) != 0) { 329 if (dvp == vp) 330 vrele(dvp); 331 else 332 vput(dvp); 333 } 334 error = vn_stat(vp, &sb, l); 335 vput(vp); 336 if (error) 337 return (error); 338 } else { 339 error = vn_stat(dvp, &sb, l); 340 vput(dvp); 341 if (error) { 342 vput(vp); 343 return (error); 344 } 345 error = vn_stat(vp, &sb1, l); 346 vput(vp); 347 if (error) 348 return (error); 349 sb.st_mode &= ~S_IFDIR; 350 sb.st_mode |= S_IFLNK; 351 sb.st_nlink = sb1.st_nlink; 352 sb.st_size = sb1.st_size; 353 sb.st_blocks = sb1.st_blocks; 354 } 355 sunos32_from___stat13(&sb, &sb32); 356 error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 357 return (error); 358 } 359 360 static int 361 sunos32_execve_fetch_element(char * const *array, size_t index, char **value) 362 { 363 int error; 364 netbsd32_charp const *a32 = (void const *)array; 365 netbsd32_charp e; 366 367 error = copyin(a32 + index, &e, sizeof(e)); 368 if (error) 369 return error; 370 *value = NETBSD32PTR64(e); 371 return 0; 372 } 373 374 int 375 sunos32_sys_execv(struct lwp *l, void *v, register_t *retval) 376 { 377 struct sunos32_sys_execv_args /* { 378 syscallarg(const char *) path; 379 syscallarg(char **) argv; 380 } */ *uap = v; 381 const char *path = SCARG_P32(uap, path); 382 383 return execve1(l, path, SCARG_P32(uap, argp), NULL, 384 sunos32_execve_fetch_element); 385 } 386 387 int 388 sunos32_sys_execve(struct lwp *l, void *v, register_t *retval) 389 { 390 struct sunos32_sys_execve_args /* { 391 syscallarg(const char *) path; 392 syscallarg(char **) argv; 393 syscallarg(char **) envp; 394 } */ *uap = v; 395 const char *path = SCARG_P32(uap, path); 396 397 return execve1(l, path, SCARG_P32(uap, argp), 398 SCARG_P32(uap, envp), 399 sunos32_execve_fetch_element); 400 } 401 402 int 403 sunos32_sys_omsync(struct lwp *l, void *v, register_t *retval) 404 { 405 struct sunos32_sys_omsync_args /* { 406 syscallarg(netbsd32_caddr_t) addr; 407 syscallarg(netbsd32_size_t) len; 408 syscallarg(int) flags; 409 } */ *uap = v; 410 struct netbsd32___msync13_args ouap; 411 412 SCARG(&ouap, addr) = SCARG(uap, addr); 413 SCARG(&ouap, len) = SCARG(uap, len); 414 SCARG(&ouap, flags) = SCARG(uap, flags); 415 416 return (netbsd32___msync13(l, &ouap, retval)); 417 } 418 419 int 420 sunos32_sys_unmount(struct lwp *l, void *v, register_t *retval) 421 { 422 struct sunos32_sys_unmount_args /* { 423 syscallarg(netbsd32_charp) path; 424 } */ *uap = v; 425 struct sys_unmount_args ua; 426 427 SUNOS32TOP_UAP(path, const char); 428 SCARG(&ua, flags) = 0; 429 430 return (sys_unmount(l, &ua, retval)); 431 } 432 433 /* 434 * Conversion table for SunOS NFS mount flags. 435 */ 436 static struct { 437 int sun_flg; 438 int bsd_flg; 439 } sunnfs_flgtab[] = { 440 { SUNNFS_SOFT, NFSMNT_SOFT }, 441 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 442 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 443 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 444 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 445 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 446 { SUNNFS_INT, NFSMNT_INT }, 447 { SUNNFS_NOAC, 0 }, /* Ignored */ 448 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 449 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 450 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 451 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 452 { SUNNFS_SECURE, 0 }, /* Ignored */ 453 { SUNNFS_NOCTO, 0 }, /* Ignored */ 454 { SUNNFS_POSIX, 0 } /* Ignored */ 455 }; 456 457 int 458 sunos32_sys_mount(struct lwp *l, void *v, register_t *retval) 459 { 460 struct sunos32_sys_mount_args /* { 461 syscallarg(netbsd32_charp) type; 462 syscallarg(netbsd32_charp) path; 463 syscallarg(int) flags; 464 syscallarg(netbsd32_caddr_t) data; 465 } */ *uap = v; 466 int oflags = SCARG(uap, flags), nflags, error; 467 char fsname[MFSNAMELEN]; 468 register_t dummy; 469 470 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 471 return (EINVAL); 472 if ((oflags & SUNM_NEWTYPE) == 0) 473 return (EINVAL); 474 nflags = 0; 475 if (oflags & SUNM_RDONLY) 476 nflags |= MNT_RDONLY; 477 if (oflags & SUNM_NOSUID) 478 nflags |= MNT_NOSUID; 479 if (oflags & SUNM_REMOUNT) 480 nflags |= MNT_UPDATE; 481 482 error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL); 483 if (error) 484 return (error); 485 486 if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 487 struct sunos_nfs_args sna; 488 struct nfs_args na; /* XXX */ 489 int n; 490 491 error = copyin(SCARG_P32(uap, data), &sna, sizeof sna); 492 if (error) 493 return (error); 494 /* sa.sa_len = sizeof(sain); */ 495 na.version = NFS_ARGSVERSION; 496 na.addr = (void *)sna.addr; 497 na.addrlen = sizeof(struct sockaddr); 498 na.sotype = SOCK_DGRAM; 499 na.proto = IPPROTO_UDP; 500 na.fh = sna.fh; 501 na.fhsize = NFSX_V2FH; 502 na.flags = 0; 503 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 504 while (--n >= 0) 505 if (sna.flags & sunnfs_flgtab[n].sun_flg) 506 na.flags |= sunnfs_flgtab[n].bsd_flg; 507 na.wsize = sna.wsize; 508 na.rsize = sna.rsize; 509 if (na.flags & NFSMNT_RSIZE) { 510 na.flags |= NFSMNT_READDIRSIZE; 511 na.readdirsize = na.rsize; 512 } 513 na.timeo = sna.timeo; 514 na.retrans = sna.retrans; 515 na.hostname = (char *)(u_long)sna.hostname; 516 517 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 518 SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na, 519 &dummy); 520 } 521 522 if (strcmp(fsname, "4.2") == 0) 523 strcpy(fsname, "ffs"); 524 525 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 526 SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE, 527 0, &dummy); 528 } 529 530 #if defined(NFS) 531 int 532 async_daemon(struct lwp *l, void *v, register_t *retval) 533 { 534 struct netbsd32_nfssvc_args ouap; 535 536 SCARG(&ouap, flag) = NFSSVC_BIOD; 537 NETBSD32PTR32(SCARG(&ouap, argp), 0); 538 539 return (netbsd32_nfssvc(l, &ouap, retval)); 540 } 541 #endif /* NFS */ 542 543 void native_to_sunos_sigset(const sigset_t *, int *); 544 void sunos_to_native_sigset(const int, sigset_t *); 545 546 inline void 547 native_to_sunos_sigset(const sigset_t *ss, int *mask) 548 { 549 *mask = ss->__bits[0]; 550 } 551 552 inline void 553 sunos_to_native_sigset(const int mask, sigset_t *ss) 554 { 555 556 ss->__bits[0] = mask; 557 ss->__bits[1] = 0; 558 ss->__bits[2] = 0; 559 ss->__bits[3] = 0; 560 } 561 562 int 563 sunos32_sys_sigpending(struct lwp *l, void *v, register_t *retval) 564 { 565 struct sunos32_sys_sigpending_args /* { 566 syscallarg(netbsd32_intp) mask; 567 } */ *uap = v; 568 sigset_t ss; 569 int mask; 570 571 sigpending1(l, &ss); 572 native_to_sunos_sigset(&ss, &mask); 573 574 return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int))); 575 } 576 577 int 578 sunos32_sys_sigsuspend(struct lwp *l, void *v, register_t *retval) 579 { 580 struct sunos32_sys_sigsuspend_args /* { 581 syscallarg(int) mask; 582 } */ *uap = v; 583 int mask; 584 sigset_t ss; 585 586 mask = SCARG(uap, mask); 587 sunos_to_native_sigset(mask, &ss); 588 return (sigsuspend1(l, &ss)); 589 } 590 591 /* 592 * Read Sun-style directory entries. We suck them into kernel space so 593 * that they can be massaged before being copied out to user code. Like 594 * SunOS, we squish out `empty' entries. 595 * 596 * This is quite ugly, but what do you expect from compatibility code? 597 */ 598 int 599 sunos32_sys_getdents(struct lwp *l, void *v, register_t *retval) 600 { 601 struct sunos32_sys_getdents_args /* { 602 syscallarg(int) fd; 603 syscallarg(netbsd32_charp) buf; 604 syscallarg(int) nbytes; 605 } */ *uap = v; 606 struct proc *p = l->l_proc; 607 struct dirent *bdp; 608 struct vnode *vp; 609 char *inp, *sbuf; /* BSD-format */ 610 int len, reclen; /* BSD-format */ 611 char *outp; /* Sun-format */ 612 int resid, sunos_reclen;/* Sun-format */ 613 struct file *fp; 614 struct uio auio; 615 struct iovec aiov; 616 struct sunos32_dirent idb; 617 off_t off; /* true file offset */ 618 int buflen, error, eofflag; 619 off_t *cookiebuf, *cookie; 620 int ncookies; 621 622 /* getvnode() will use the descriptor for us */ 623 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 624 return (error); 625 626 if ((fp->f_flag & FREAD) == 0) { 627 error = EBADF; 628 goto out1; 629 } 630 631 vp = (struct vnode *)fp->f_data; 632 if (vp->v_type != VDIR) { 633 error = EINVAL; 634 goto out1; 635 } 636 637 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 638 sbuf = malloc(buflen, M_TEMP, M_WAITOK); 639 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 640 off = fp->f_offset; 641 again: 642 aiov.iov_base = sbuf; 643 aiov.iov_len = buflen; 644 auio.uio_iov = &aiov; 645 auio.uio_iovcnt = 1; 646 auio.uio_rw = UIO_READ; 647 auio.uio_resid = buflen; 648 auio.uio_offset = off; 649 UIO_SETUP_SYSSPACE(&auio); 650 /* 651 * First we read into the malloc'ed buffer, then 652 * we massage it into user space, one record at a time. 653 */ 654 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 655 &ncookies); 656 if (error) 657 goto out; 658 659 inp = sbuf; 660 outp = SCARG_P32(uap, buf); 661 resid = SCARG(uap, nbytes); 662 if ((len = buflen - auio.uio_resid) == 0) 663 goto eof; 664 665 for (cookie = cookiebuf; len > 0; len -= reclen) { 666 bdp = (struct dirent *)inp; 667 reclen = bdp->d_reclen; 668 if (reclen & 3) 669 panic("sunos_getdents"); 670 if (cookie && (*cookie >> 32) != 0) { 671 compat_offseterr(vp, "sunos_getdents"); 672 error = EINVAL; 673 goto out; 674 } 675 if (bdp->d_fileno == 0) { 676 inp += reclen; /* it is a hole; squish it out */ 677 if (cookie) 678 off = *cookie++; 679 else 680 off += reclen; 681 continue; 682 } 683 sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen); 684 if (reclen > len || resid < sunos_reclen) { 685 /* entry too big for buffer, so just stop */ 686 outp++; 687 break; 688 } 689 if (cookie) 690 off = *cookie++; /* each entry points to next */ 691 else 692 off += reclen; 693 /* 694 * Massage in place to make a Sun-shaped dirent (otherwise 695 * we have to worry about touching user memory outside of 696 * the copyout() call). 697 */ 698 idb.d_fileno = bdp->d_fileno; 699 idb.d_off = off; 700 idb.d_reclen = sunos_reclen; 701 idb.d_namlen = bdp->d_namlen; 702 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 703 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 704 goto out; 705 /* advance past this real entry */ 706 inp += reclen; 707 /* advance output past Sun-shaped entry */ 708 outp += sunos_reclen; 709 resid -= sunos_reclen; 710 } 711 712 /* if we squished out the whole block, try again */ 713 if (outp == SCARG_P32(uap, buf)) 714 goto again; 715 fp->f_offset = off; /* update the vnode offset */ 716 717 eof: 718 *retval = SCARG(uap, nbytes) - resid; 719 out: 720 VOP_UNLOCK(vp, 0); 721 free(cookiebuf, M_TEMP); 722 free(sbuf, M_TEMP); 723 out1: 724 FILE_UNUSE(fp, l); 725 return (error); 726 } 727 728 #define SUNOS32__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 729 730 int 731 sunos32_sys_mmap(struct lwp *l, void *v, register_t *retval) 732 { 733 struct sunos32_sys_mmap_args /* { 734 syscallarg(netbsd32_voidp) addr; 735 syscallarg(netbsd32_size_t) len; 736 syscallarg(int) prot; 737 syscallarg(int) flags; 738 syscallarg(int) fd; 739 syscallarg(netbsd32_long) pos; 740 } */ *uap = v; 741 struct sys_mmap_args ua; 742 int error; 743 744 /* 745 * Verify the arguments. 746 */ 747 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 748 return (EINVAL); /* XXX still needed? */ 749 750 if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0) 751 return (EINVAL); 752 753 SUNOS32TOP_UAP(addr, void); 754 SUNOS32TOX_UAP(len, size_t); 755 SUNOS32TO64_UAP(prot); 756 SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW; 757 SUNOS32TO64_UAP(fd); 758 SCARG(&ua, pad) = 0; 759 SUNOS32TOX_UAP(pos, off_t); 760 761 error = sys_mmap(l, &ua, retval); 762 if ((u_long)*retval > (u_long)UINT_MAX) { 763 printf("sunos32_mmap: retval out of range: 0x%lx", 764 (u_long)*retval); 765 /* Should try to recover and return an error here. */ 766 } 767 return (error); 768 } 769 770 #define MC_SYNC 1 771 #define MC_LOCK 2 772 #define MC_UNLOCK 3 773 #define MC_ADVISE 4 774 #define MC_LOCKAS 5 775 #define MC_UNLOCKAS 6 776 777 int 778 sunos32_sys_mctl(struct lwp *l, void *v, register_t *retval) 779 { 780 struct sunos32_sys_mctl_args /* { 781 syscallarg(netbsd32_voidp) addr; 782 syscallarg(int) len; 783 syscallarg(int) func; 784 syscallarg(netbsd32_voidp) arg; 785 } */ *uap = v; 786 787 switch (SCARG(uap, func)) { 788 case MC_ADVISE: /* ignore for now */ 789 return (0); 790 case MC_SYNC: /* translate to msync */ 791 return (netbsd32___msync13(l, uap, retval)); 792 default: 793 return (EINVAL); 794 } 795 } 796 797 int 798 sunos32_sys_setsockopt(struct lwp *l, void *v, register_t *retval) 799 { 800 struct sunos32_sys_setsockopt_args /* { 801 syscallarg(int) s; 802 syscallarg(int) level; 803 syscallarg(int) name; 804 syscallarg(netbsd32_caddr_t) val; 805 syscallarg(int) valsize; 806 } */ *uap = v; 807 struct proc *p = l->l_proc; 808 struct file *fp; 809 struct mbuf *m = NULL; 810 int error; 811 812 /* getsock() will use the descriptor for us */ 813 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 814 return (error); 815 #define SO_DONTLINGER (~SO_LINGER) 816 if (SCARG(uap, name) == SO_DONTLINGER) { 817 m = m_get(M_WAIT, MT_SOOPTS); 818 mtod(m, struct linger *)->l_onoff = 0; 819 m->m_len = sizeof(struct linger); 820 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 821 SO_LINGER, m); 822 goto out; 823 } 824 if (SCARG(uap, level) == IPPROTO_IP) { 825 #define SUNOS_IP_MULTICAST_IF 2 826 #define SUNOS_IP_MULTICAST_TTL 3 827 #define SUNOS_IP_MULTICAST_LOOP 4 828 #define SUNOS_IP_ADD_MEMBERSHIP 5 829 #define SUNOS_IP_DROP_MEMBERSHIP 6 830 static const int ipoptxlat[] = { 831 IP_MULTICAST_IF, 832 IP_MULTICAST_TTL, 833 IP_MULTICAST_LOOP, 834 IP_ADD_MEMBERSHIP, 835 IP_DROP_MEMBERSHIP 836 }; 837 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 838 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 839 SCARG(uap, name) = 840 ipoptxlat[SCARG(uap, 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((struct socket *)fp->f_data, SCARG(uap, level), 858 SCARG(uap, name), m); 859 out: 860 FILE_UNUSE(fp, l); 861 return (error); 862 } 863 864 static inline int sunos32_sys_socket_common(struct lwp *, register_t *, 865 int type); 866 static inline int 867 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type) 868 { 869 struct socket *so; 870 struct proc *p = l->l_proc; 871 struct file *fp; 872 int error, fd; 873 874 /* getsock() will use the descriptor for us */ 875 fd = (int)*retval; 876 if ((error = getsock(p->p_fd, fd, &fp)) == 0) { 877 so = (struct socket *)fp->f_data; 878 if (type == SOCK_DGRAM) 879 so->so_options |= SO_BROADCAST; 880 } 881 FILE_UNUSE(fp, l); 882 return (error); 883 } 884 885 int 886 sunos32_sys_socket(struct lwp *l, void *v, register_t *retval) 887 { 888 struct sunos32_sys_socket_args /* { 889 syscallarg(int) domain; 890 syscallarg(int) type; 891 syscallarg(int) protocol; 892 } */ *uap = v; 893 int error; 894 895 error = netbsd32_sys___socket30(l, v, retval); 896 if (error) 897 return (error); 898 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 899 } 900 901 int 902 sunos32_sys_socketpair(struct lwp *l, void *v, register_t *retval) 903 { 904 struct sunos32_sys_socketpair_args /* { 905 syscallarg(int) domain; 906 syscallarg(int) type; 907 syscallarg(int) protocol; 908 syscallarg(int *) rsv; 909 } */ *uap = v; 910 int error; 911 912 error = netbsd32_socketpair(l, v, retval); 913 if (error) 914 return (error); 915 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 916 } 917 918 919 /* 920 * XXX: This needs cleaning up. 921 */ 922 int 923 sunos32_sys_auditsys(struct lwp *l, void *v, register_t *retval) 924 { 925 return 0; 926 } 927 928 int 929 sunos32_sys_uname(struct lwp *l, void *v, register_t *retval) 930 { 931 struct sunos32_sys_uname_args /* { 932 syscallarg(sunos32_utsnamep_t) name; 933 } */ *uap = v; 934 struct sunos_utsname sut; 935 936 memset(&sut, 0, sizeof(sut)); 937 938 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 939 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 940 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 941 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 942 memcpy(sut.version, "1", sizeof(sut.version) - 1); 943 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 944 945 return copyout((void *)&sut, SCARG_P32(uap, name), 946 sizeof(struct sunos_utsname)); 947 } 948 949 int 950 sunos32_sys_setpgrp(struct lwp *l, void *v, register_t *retval) 951 { 952 struct sunos32_sys_setpgrp_args /* { 953 syscallarg(int) pid; 954 syscallarg(int) pgid; 955 } */ *uap = v; 956 struct proc *p = l->l_proc; 957 958 /* 959 * difference to our setpgid call is to include backwards 960 * compatibility to pre-setsid() binaries. Do setsid() 961 * instead of setpgid() in those cases where the process 962 * tries to create a new session the old way. 963 */ 964 if (!SCARG(uap, pgid) && 965 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 966 return sys_setsid(l, uap, retval); 967 else 968 return netbsd32_setpgid(l, uap, retval); 969 } 970 971 int 972 sunos32_sys_open(struct lwp *l, void *v, register_t *retval) 973 { 974 struct sunos32_sys_open_args /* { 975 syscallarg(const netbsd32_charp) path; 976 syscallarg(int) flags; 977 syscallarg(int) mode; 978 } */ *uap = v; 979 struct proc *p = l->l_proc; 980 struct sys_open_args ua; 981 int lf, r; 982 int noctty; 983 int ret; 984 985 /* convert mode into NetBSD mode */ 986 lf = SCARG(uap, flags); 987 noctty = lf & 0x8000; 988 r = (lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 989 r |= ((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 990 r |= ((lf & 0x0080) ? O_SHLOCK : 0); 991 r |= ((lf & 0x0100) ? O_EXLOCK : 0); 992 r |= ((lf & 0x2000) ? O_FSYNC : 0); 993 994 SUNOS32TOP_UAP(path, const char); 995 SCARG(&ua, flags) = r; 996 SUNOS32TO64_UAP(mode); 997 998 ret = sys_open(l, &ua, retval); 999 1000 /* XXXSMP unlocked */ 1001 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 1002 struct filedesc *fdp = p->p_fd; 1003 struct file *fp; 1004 1005 fp = fd_getfile(fdp, *retval); 1006 1007 /* ignore any error, just give it a try */ 1008 if (fp != NULL && fp->f_type == DTYPE_VNODE) 1009 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (void *)0, l); 1010 } 1011 return ret; 1012 } 1013 1014 #if defined (NFSSERVER) 1015 int 1016 sunos32_sys_nfssvc(struct lwp *l, void *v, register_t *retval) 1017 { 1018 #if 0 1019 struct sunos32_sys_nfssvc_args *uap = v; 1020 struct emul *e = p->p_emul; 1021 struct sys_nfssvc_args outuap; 1022 struct sockaddr sa; 1023 int error; 1024 void *sg = stackgap_init(p, 0); 1025 1026 memset(&outuap, 0, sizeof outuap); 1027 SCARG(&outuap, fd) = SCARG(uap, fd); 1028 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 1029 SCARG(&outuap, msklen) = sizeof(sa); 1030 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 1031 SCARG(&outuap, mtchlen) = sizeof(sa); 1032 1033 memset(&sa, 0, sizeof sa); 1034 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 1035 return (error); 1036 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 1037 return (error); 1038 1039 return nfssvc(l, &outuap, retval); 1040 #else 1041 return (ENOSYS); 1042 #endif 1043 } 1044 #endif /* NFSSERVER */ 1045 1046 int 1047 sunos32_sys_ustat(struct lwp *l, void *v, register_t *retval) 1048 { 1049 struct sunos32_sys_ustat_args /* { 1050 syscallarg(int) dev; 1051 syscallarg(sunos32_ustatp_t) buf; 1052 } */ *uap = v; 1053 struct sunos_ustat us; 1054 int error; 1055 1056 memset(&us, 0, sizeof us); 1057 1058 /* 1059 * XXX: should set f_tfree and f_tinode at least 1060 * How do we translate dev -> fstat? (and then to sunos_ustat) 1061 */ 1062 1063 if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0) 1064 return (error); 1065 return 0; 1066 } 1067 1068 int 1069 sunos32_sys_quotactl(struct lwp *l, void *v, register_t *retval) 1070 { 1071 1072 return EINVAL; 1073 } 1074 1075 int 1076 sunos32_sys_vhangup(struct lwp *l, void *v, register_t *retval) 1077 { 1078 struct proc *p = l->l_proc; 1079 struct session *sp = p->p_session; 1080 1081 if (sp->s_ttyvp == 0) 1082 return 0; 1083 1084 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 1085 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 1086 1087 (void) ttywait(sp->s_ttyp); 1088 if (sp->s_ttyvp) 1089 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 1090 if (sp->s_ttyvp) 1091 vrele(sp->s_ttyvp); 1092 sp->s_ttyvp = NULL; 1093 1094 return 0; 1095 } 1096 1097 static int 1098 sunstatfs(struct statvfs *sp, void *sbuf) 1099 { 1100 struct sunos_statfs ssfs; 1101 1102 memset(&ssfs, 0, sizeof ssfs); 1103 ssfs.f_type = 0; 1104 ssfs.f_bsize = sp->f_bsize; 1105 ssfs.f_blocks = sp->f_blocks; 1106 ssfs.f_bfree = sp->f_bfree; 1107 ssfs.f_bavail = sp->f_bavail; 1108 ssfs.f_files = sp->f_files; 1109 ssfs.f_ffree = sp->f_ffree; 1110 ssfs.f_fsid = sp->f_fsidx; 1111 return copyout((void *)&ssfs, sbuf, sizeof ssfs); 1112 } 1113 1114 int 1115 sunos32_sys_statfs(struct lwp *l, void *v, register_t *retval) 1116 { 1117 struct sunos32_sys_statfs_args /* { 1118 syscallarg(const netbsd32_charp) path; 1119 syscallarg(sunos32_statfsp_t) buf; 1120 } */ *uap = v; 1121 struct mount *mp; 1122 struct statvfs *sp; 1123 int error; 1124 struct nameidata nd; 1125 struct sys_statvfs1_args ua; 1126 1127 SUNOS32TOP_UAP(path, const char); 1128 1129 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 1130 SCARG(&ua, path)); 1131 if ((error = namei(&nd)) != 0) 1132 return (error); 1133 mp = nd.ni_vp->v_mount; 1134 sp = &mp->mnt_stat; 1135 vrele(nd.ni_vp); 1136 if ((error = VFS_STATVFS(mp, sp)) != 0) 1137 return (error); 1138 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1139 return sunstatfs(sp, SCARG_P32(uap, buf)); 1140 } 1141 1142 int 1143 sunos32_sys_fstatfs(struct lwp *l, void *v, register_t *retval) 1144 { 1145 struct sunos32_sys_fstatfs_args /* { 1146 syscallarg(int) fd; 1147 syscallarg(sunos32_statfsp_t) buf; 1148 } */ *uap = v; 1149 struct proc *p = l->l_proc; 1150 struct file *fp; 1151 struct mount *mp; 1152 struct statvfs *sp; 1153 int error; 1154 1155 /* getvnode() will use the descriptor for us */ 1156 if ((error = getvnode(p->p_fd, 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 FILE_UNUSE(fp, l); 1166 return (error); 1167 } 1168 1169 int 1170 sunos32_sys_exportfs(struct lwp *l, void *v, 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, void *v, register_t *retval) 1181 { 1182 struct sunos32_sys_mknod_args /* { 1183 syscallarg(const netbsd32_charp) path; 1184 syscallarg(int) mode; 1185 syscallarg(int) dev; 1186 } */ *uap = v; 1187 struct sys_mknod_args ua; 1188 1189 SUNOS32TOP_UAP(path, const char); 1190 SUNOS32TO64_UAP(mode); 1191 SUNOS32TO64_UAP(dev); 1192 1193 /* netbsd32_mkfifo/mknod to not do alt checking */ 1194 if (S_ISFIFO(SCARG(uap, mode))) 1195 return netbsd32_mkfifo(l, (struct netbsd32_mkfifo_args *)uap, retval); 1196 1197 return netbsd32_mknod(l, (struct netbsd32_mknod_args *)uap, retval); 1198 } 1199 1200 #define SUNOS_SC_ARG_MAX 1 1201 #define SUNOS_SC_CHILD_MAX 2 1202 #define SUNOS_SC_CLK_TCK 3 1203 #define SUNOS_SC_NGROUPS_MAX 4 1204 #define SUNOS_SC_OPEN_MAX 5 1205 #define SUNOS_SC_JOB_CONTROL 6 1206 #define SUNOS_SC_SAVED_IDS 7 1207 #define SUNOS_SC_VERSION 8 1208 1209 int 1210 sunos32_sys_sysconf(struct lwp *l, void *v, register_t *retval) 1211 { 1212 struct sunos32_sys_sysconf_args /* { 1213 syscallarg(int) name; 1214 } */ *uap = v; 1215 extern int maxfiles; 1216 1217 switch(SCARG(uap, name)) { 1218 case SUNOS_SC_ARG_MAX: 1219 *retval = ARG_MAX; 1220 break; 1221 case SUNOS_SC_CHILD_MAX: 1222 *retval = maxproc; 1223 break; 1224 case SUNOS_SC_CLK_TCK: 1225 *retval = 60; /* should this be `hz', ie. 100? */ 1226 break; 1227 case SUNOS_SC_NGROUPS_MAX: 1228 *retval = NGROUPS_MAX; 1229 break; 1230 case SUNOS_SC_OPEN_MAX: 1231 *retval = maxfiles; 1232 break; 1233 case SUNOS_SC_JOB_CONTROL: 1234 *retval = 1; 1235 break; 1236 case SUNOS_SC_SAVED_IDS: 1237 #ifdef _POSIX_SAVED_IDS 1238 *retval = 1; 1239 #else 1240 *retval = 0; 1241 #endif 1242 break; 1243 case SUNOS_SC_VERSION: 1244 *retval = 198808; 1245 break; 1246 default: 1247 return EINVAL; 1248 } 1249 return 0; 1250 } 1251 1252 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1253 #define SUNOS_RLIM_NLIMITS 7 1254 1255 int 1256 sunos32_sys_getrlimit(struct lwp *l, void *v, register_t *retval) 1257 { 1258 struct sunos32_sys_getrlimit_args /* { 1259 syscallarg(u_int) which; 1260 syscallarg(netbsd32_orlimitp_t) rlp; 1261 } */ *uap = v; 1262 1263 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1264 return EINVAL; 1265 1266 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1267 SCARG(uap, which) = RLIMIT_NOFILE; 1268 1269 return compat_43_netbsd32_ogetrlimit(l, uap, retval); 1270 } 1271 1272 int 1273 sunos32_sys_setrlimit(struct lwp *l, void *v, register_t *retval) 1274 { 1275 struct sunos32_sys_setrlimit_args /* { 1276 syscallarg(u_int) which; 1277 syscallarg(netbsd32_orlimitp_t) rlp; 1278 } */ *uap = v; 1279 1280 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1281 return EINVAL; 1282 1283 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1284 SCARG(uap, which) = RLIMIT_NOFILE; 1285 1286 return compat_43_netbsd32_osetrlimit(l, uap, retval); 1287 } 1288 1289 #if defined(PTRACE) || defined(_LKM) 1290 /* for the m68k machines */ 1291 #ifndef PT_GETFPREGS 1292 #define PT_GETFPREGS -1 1293 #endif 1294 #ifndef PT_SETFPREGS 1295 #define PT_SETFPREGS -1 1296 #endif 1297 1298 static const int sreq2breq[] = { 1299 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1300 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1301 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1302 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1303 }; 1304 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1305 #endif 1306 1307 int 1308 sunos32_sys_ptrace(struct lwp *l, void *v, register_t *retval) 1309 { 1310 #if defined(PTRACE) || defined(_LKM) 1311 struct sunos32_sys_ptrace_args /* { 1312 syscallarg(int) req; 1313 syscallarg(pid_t) pid; 1314 syscallarg(netbsd32_caddr_t) addr; 1315 syscallarg(int) data; 1316 syscallarg(netbsd32_charp) addr2; 1317 } */ *uap = v; 1318 struct netbsd32_ptrace_args pa; 1319 int req; 1320 1321 #ifdef _LKM 1322 #define sys_ptrace sysent[SYS_ptrace].sy_call 1323 if (sys_ptrace == sys_nosys) 1324 return ENOSYS; 1325 #endif 1326 1327 req = SCARG(uap, req); 1328 if ((unsigned int)req >= nreqs) 1329 return (EINVAL); 1330 1331 req = sreq2breq[req]; 1332 if (req == -1) 1333 return (EINVAL); 1334 1335 SCARG(&pa, req) = req; 1336 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1337 SCARG(&pa, addr) = SCARG(uap, addr); 1338 SCARG(&pa, data) = SCARG(uap, data); 1339 1340 return netbsd32_ptrace(l, &pa, retval); 1341 #else 1342 return (ENOSYS); 1343 #endif /* PTRACE || _LKM */ 1344 } 1345 1346 /* 1347 * SunOS reboot system call (for compatibility). 1348 * Sun lets you pass in a boot string which the PROM 1349 * saves and provides to the next boot program. 1350 */ 1351 1352 #define SUNOS_RB_ASKNAME 0x001 1353 #define SUNOS_RB_SINGLE 0x002 1354 #define SUNOS_RB_NOSYNC 0x004 1355 #define SUNOS_RB_HALT 0x008 1356 #define SUNOS_RB_DUMP 0x080 1357 #define SUNOS_RB_STRING 0x200 1358 1359 static struct sunos_howto_conv { 1360 int sun_howto; 1361 int bsd_howto; 1362 } sunos_howto_conv[] = { 1363 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1364 { SUNOS_RB_SINGLE, RB_SINGLE }, 1365 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1366 { SUNOS_RB_HALT, RB_HALT }, 1367 { SUNOS_RB_DUMP, RB_DUMP }, 1368 { SUNOS_RB_STRING, RB_STRING }, 1369 { 0x000, 0 }, 1370 }; 1371 1372 int 1373 sunos32_sys_reboot(struct lwp *l, void *v, register_t *retval) 1374 { 1375 struct sunos32_sys_reboot_args /* { 1376 syscallarg(int) howto; 1377 syscallarg(netbsd32_charp) bootstr; 1378 } */ *uap = v; 1379 struct sys_reboot_args ua; 1380 struct sunos_howto_conv *convp; 1381 int error, bsd_howto, sun_howto; 1382 char *bootstr; 1383 1384 if ((error = kauth_authorize_system(l->l_cred, 1385 KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0) 1386 return (error); 1387 1388 /* 1389 * Convert howto bits to BSD format. 1390 */ 1391 sun_howto = SCARG(uap, howto); 1392 bsd_howto = 0; 1393 convp = sunos_howto_conv; 1394 while (convp->sun_howto) { 1395 if (sun_howto & convp->sun_howto) 1396 bsd_howto |= convp->bsd_howto; 1397 convp++; 1398 } 1399 1400 /* 1401 * Sun RB_STRING (Get user supplied bootstring.) 1402 * If the machine supports passing a string to the 1403 * next booted kernel. 1404 */ 1405 if (sun_howto & SUNOS_RB_STRING) 1406 bootstr = SCARG_P32(uap, bootstr); 1407 else 1408 bootstr = NULL; 1409 1410 SCARG(&ua, opt) = bsd_howto; 1411 SCARG(&ua, bootstr) = bootstr; 1412 return (sys_reboot(l, &ua, retval)); 1413 } 1414 1415 /* 1416 * Generalized interface signal handler, 4.3-compatible. 1417 */ 1418 /* ARGSUSED */ 1419 int 1420 sunos32_sys_sigvec(struct lwp *l, void *v, register_t *retval) 1421 { 1422 struct sunos32_sys_sigvec_args /* { 1423 syscallarg(int) signum; 1424 syscallarg(struct sigvec *) nsv; 1425 syscallarg(struct sigvec *) osv; 1426 } */ *uap = v; 1427 struct netbsd32_sigvec sv; 1428 struct sigaction nsa, osa; 1429 int error; 1430 1431 if (SCARG_P32(uap, nsv)) { 1432 error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv)); 1433 if (error != 0) 1434 return (error); 1435 1436 /* 1437 * SunOS uses the mask 0x0004 as SV_RESETHAND 1438 * meaning: `reset to SIG_DFL on delivery'. 1439 * We support only the bits in: 0xF 1440 * (those bits are the same as ours) 1441 */ 1442 if (sv.sv_flags & ~0xF) 1443 return (EINVAL); 1444 1445 sunos32_sigvec_to_sigaction(&sv, &nsa); 1446 } 1447 error = sigaction1(l, SCARG(uap, signum), 1448 SCARG_P32(uap, nsv) ? &nsa : 0, 1449 SCARG_P32(uap, osv) ? &osa : 0, 1450 NULL, 0); 1451 if (error != 0) 1452 return (error); 1453 1454 if (SCARG_P32(uap, osv)) { 1455 sunos32_sigvec_from_sigaction(&sv, &osa); 1456 error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv)); 1457 if (error != 0) 1458 return (error); 1459 } 1460 1461 return (0); 1462 } 1463