1 /* $NetBSD: sunos32_misc.c,v 1.73 2010/11/19 06:44:38 dholland 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 1.73 2010/11/19 06:44:38 dholland Exp $"); 81 82 #define COMPAT_SUNOS 1 83 84 #if defined(_KERNEL_OPT) 85 #include "opt_compat_43.h" 86 #include "opt_compat_netbsd.h" 87 #endif 88 89 #include <sys/param.h> 90 #include <sys/systm.h> 91 #include <sys/namei.h> 92 #include <sys/proc.h> 93 #include <sys/dirent.h> 94 #include <sys/file.h> 95 #include <sys/stat.h> 96 #include <sys/filedesc.h> 97 #include <sys/ioctl.h> 98 #include <sys/kernel.h> 99 #include <sys/reboot.h> 100 #include <sys/malloc.h> 101 #include <sys/mbuf.h> 102 #include <sys/mman.h> 103 #include <sys/mount.h> 104 #include <sys/ptrace.h> 105 #include <sys/resource.h> 106 #include <sys/resourcevar.h> 107 #include <sys/signal.h> 108 #include <sys/signalvar.h> 109 #include <sys/socket.h> 110 #include <sys/tty.h> 111 #include <sys/vnode.h> 112 #include <sys/uio.h> 113 #include <sys/wait.h> 114 #include <sys/utsname.h> 115 #include <sys/unistd.h> 116 #include <sys/syscall.h> 117 #include <sys/syscallargs.h> 118 #include <sys/conf.h> 119 #include <sys/socketvar.h> 120 #include <sys/exec.h> 121 #include <sys/swap.h> 122 #include <sys/kauth.h> 123 #include <sys/vfs_syscalls.h> 124 125 #include <compat/netbsd32/netbsd32.h> 126 #include <compat/netbsd32/netbsd32_syscallargs.h> 127 #include <compat/sunos32/sunos32.h> 128 #include <compat/sunos32/sunos32_dirent.h> 129 #include <compat/sunos32/sunos32_syscallargs.h> 130 #include <compat/common/compat_util.h> 131 #include <compat/sys/mount.h> 132 133 #include <netinet/in.h> 134 135 #include <miscfs/specfs/specdev.h> 136 137 #include <nfs/rpcv2.h> 138 #include <nfs/nfsproto.h> 139 #include <nfs/nfs.h> 140 #include <nfs/nfsmount.h> 141 142 static void sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *, struct sigaction *); 143 static void sunos32_sigvec_from_sigaction(struct netbsd32_sigvec *, const struct sigaction *); 144 145 static int sunstatfs(struct statvfs *, void *); 146 147 static void 148 sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *sv, struct sigaction *sa) 149 { 150 /*XXX*/ extern void compat_43_sigmask_to_sigset(const int *, sigset_t *); 151 152 sa->sa_handler = NETBSD32PTR64(sv->sv_handler); 153 compat_43_sigmask_to_sigset(&sv->sv_mask, &sa->sa_mask); 154 sa->sa_flags = sv->sv_flags ^ SA_RESTART; 155 } 156 157 static 158 void sunos32_sigvec_from_sigaction(sv, sa) 159 struct netbsd32_sigvec *sv; 160 const struct sigaction *sa; 161 { 162 /*XXX*/ extern void compat_43_sigset_to_sigmask(const sigset_t *, int *); 163 164 NETBSD32PTR32(sv->sv_handler, sa->sa_handler); 165 compat_43_sigset_to_sigmask(&sa->sa_mask, &sv->sv_mask); 166 sv->sv_flags = sa->sa_flags ^ SA_RESTART; 167 } 168 169 int 170 sunos32_sys_stime(struct lwp *l, const struct sunos32_sys_stime_args *uap, register_t *retval) 171 { 172 /* { 173 syscallarg(sunos32_time_tp) tp; 174 } */ 175 struct netbsd32_timeval ntv; 176 struct timeval tv; 177 int error; 178 179 error = copyin(SCARG_P32(uap, tp), &ntv.tv_sec, sizeof(ntv.tv_sec)); 180 if (error) 181 return error; 182 tv.tv_sec = ntv.tv_sec; 183 tv.tv_usec = 0; 184 185 return settimeofday1(&tv, false, NULL, l, true); 186 } 187 188 int 189 sunos32_sys_wait4(struct lwp *l, const struct sunos32_sys_wait4_args *uap, register_t *retval) 190 { 191 /* { 192 syscallarg(int) pid; 193 syscallarg(netbsd32_intp) status; 194 syscallarg(int) options; 195 syscallarg(netbsd32_rusagep_t) rusage; 196 } */ 197 198 struct compat_50_netbsd32_wait4_args bsd_ua; 199 200 SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); 201 SCARG(&bsd_ua, status) = SCARG(uap, status); 202 SCARG(&bsd_ua, options) = SCARG(uap, options); 203 SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); 204 205 return compat_50_netbsd32_wait4(l, &bsd_ua, retval); 206 } 207 208 int 209 sunos32_sys_creat(struct lwp *l, const struct sunos32_sys_creat_args *uap, register_t *retval) 210 { 211 /* { 212 syscallarg(const netbsd32_charp) path; 213 syscallarg(int) mode; 214 } */ 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, const struct sunos32_sys_access_args *uap, register_t *retval) 226 { 227 /* { 228 syscallarg(const netbsd32_charp) path; 229 syscallarg(int) flags; 230 } */ 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, const struct sunos32_sys_stat_args *uap, register_t *retval) 270 { 271 /* { 272 syscallarg(const netbsd32_charp) path; 273 syscallarg(netbsd32_stat43p_t) ub; 274 } */ 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(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, const struct sunos32_sys_lstat_args *uap, register_t *retval) 292 { 293 /* { 294 syscallarg(const netbsd32_charp) path; 295 syscallarg(netbsd32_stat43p_t) ub; 296 } */ 297 struct vnode *vp, *dvp; 298 struct stat sb, sb1; 299 struct netbsd32_stat43 sb32; 300 int error; 301 struct pathbuf *pb; 302 struct nameidata nd; 303 int ndflags; 304 const char *path; 305 306 path = SCARG_P32(uap, path); 307 308 ndflags = NOFOLLOW | LOCKLEAF | LOCKPARENT | TRYEMULROOT; 309 again: 310 error = pathbuf_copyin(path, &pb); 311 if (error) { 312 return error; 313 } 314 315 NDINIT(&nd, LOOKUP, ndflags, pb); 316 if ((error = namei(&nd))) { 317 pathbuf_destroy(pb); 318 if (error == EISDIR && (ndflags & LOCKPARENT) != 0) { 319 /* 320 * Should only happen on '/'. Retry without LOCKPARENT; 321 * this is safe since the vnode won't be a VLNK. 322 */ 323 ndflags &= ~LOCKPARENT; 324 goto again; 325 } 326 return (error); 327 } 328 /* 329 * For symbolic links, always return the attributes of its 330 * containing directory, except for mode, size, and links. 331 */ 332 vp = nd.ni_vp; 333 dvp = nd.ni_dvp; 334 pathbuf_destroy(pb); 335 if (vp->v_type != VLNK) { 336 if ((ndflags & LOCKPARENT) != 0) { 337 if (dvp == vp) 338 vrele(dvp); 339 else 340 vput(dvp); 341 } 342 error = vn_stat(vp, &sb); 343 vput(vp); 344 if (error) 345 return (error); 346 } else { 347 error = vn_stat(dvp, &sb); 348 vput(dvp); 349 if (error) { 350 vput(vp); 351 return (error); 352 } 353 error = vn_stat(vp, &sb1); 354 vput(vp); 355 if (error) 356 return (error); 357 sb.st_mode &= ~S_IFDIR; 358 sb.st_mode |= S_IFLNK; 359 sb.st_nlink = sb1.st_nlink; 360 sb.st_size = sb1.st_size; 361 sb.st_blocks = sb1.st_blocks; 362 } 363 sunos32_from___stat13(&sb, &sb32); 364 error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32)); 365 return (error); 366 } 367 368 static int 369 sunos32_execve_fetch_element(char * const *array, size_t index, char **value) 370 { 371 int error; 372 netbsd32_charp const *a32 = (void const *)array; 373 netbsd32_charp e; 374 375 error = copyin(a32 + index, &e, sizeof(e)); 376 if (error) 377 return error; 378 *value = NETBSD32PTR64(e); 379 return 0; 380 } 381 382 int 383 sunos32_sys_execv(struct lwp *l, const struct sunos32_sys_execv_args *uap, register_t *retval) 384 { 385 /* { 386 syscallarg(const char *) path; 387 syscallarg(char **) argv; 388 } */ 389 const char *path = SCARG_P32(uap, path); 390 391 return execve1(l, path, SCARG_P32(uap, argp), NULL, 392 sunos32_execve_fetch_element); 393 } 394 395 int 396 sunos32_sys_execve(struct lwp *l, const struct sunos32_sys_execve_args *uap, register_t *retval) 397 { 398 /* { 399 syscallarg(const char *) path; 400 syscallarg(char **) argv; 401 syscallarg(char **) envp; 402 } */ 403 const char *path = SCARG_P32(uap, path); 404 405 return execve1(l, path, SCARG_P32(uap, argp), 406 SCARG_P32(uap, envp), 407 sunos32_execve_fetch_element); 408 } 409 410 int 411 sunos32_sys_omsync(struct lwp *l, const struct sunos32_sys_omsync_args *uap, register_t *retval) 412 { 413 /* { 414 syscallarg(netbsd32_caddr_t) addr; 415 syscallarg(netbsd32_size_t) len; 416 syscallarg(int) flags; 417 } */ 418 struct netbsd32___msync13_args ouap; 419 420 SCARG(&ouap, addr) = SCARG(uap, addr); 421 SCARG(&ouap, len) = SCARG(uap, len); 422 SCARG(&ouap, flags) = SCARG(uap, flags); 423 424 return (netbsd32___msync13(l, &ouap, retval)); 425 } 426 427 int 428 sunos32_sys_unmount(struct lwp *l, const struct sunos32_sys_unmount_args *uap, register_t *retval) 429 { 430 /* { 431 syscallarg(netbsd32_charp) path; 432 } */ 433 struct sys_unmount_args ua; 434 435 SUNOS32TOP_UAP(path, const char); 436 SCARG(&ua, flags) = 0; 437 438 return (sys_unmount(l, &ua, retval)); 439 } 440 441 /* 442 * Conversion table for SunOS NFS mount flags. 443 */ 444 static struct { 445 int sun_flg; 446 int bsd_flg; 447 } sunnfs_flgtab[] = { 448 { SUNNFS_SOFT, NFSMNT_SOFT }, 449 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 450 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 451 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 452 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 453 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 454 { SUNNFS_INT, NFSMNT_INT }, 455 { SUNNFS_NOAC, 0 }, /* Ignored */ 456 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 457 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 458 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 459 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 460 { SUNNFS_SECURE, 0 }, /* Ignored */ 461 { SUNNFS_NOCTO, 0 }, /* Ignored */ 462 { SUNNFS_POSIX, 0 } /* Ignored */ 463 }; 464 465 int 466 sunos32_sys_mount(struct lwp *l, const struct sunos32_sys_mount_args *uap, register_t *retval) 467 { 468 /* { 469 syscallarg(netbsd32_charp) type; 470 syscallarg(netbsd32_charp) path; 471 syscallarg(int) flags; 472 syscallarg(netbsd32_caddr_t) data; 473 } */ 474 int oflags = SCARG(uap, flags), nflags, error; 475 char fsname[MFSNAMELEN]; 476 register_t dummy; 477 478 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 479 return (EINVAL); 480 if ((oflags & SUNM_NEWTYPE) == 0) 481 return (EINVAL); 482 nflags = 0; 483 if (oflags & SUNM_RDONLY) 484 nflags |= MNT_RDONLY; 485 if (oflags & SUNM_NOSUID) 486 nflags |= MNT_NOSUID; 487 if (oflags & SUNM_REMOUNT) 488 nflags |= MNT_UPDATE; 489 490 error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL); 491 if (error) 492 return (error); 493 494 if (strncmp(fsname, "nfs", sizeof fsname) == 0) { 495 struct sunos_nfs_args sna; 496 struct nfs_args na; /* XXX */ 497 int n; 498 499 error = copyin(SCARG_P32(uap, data), &sna, sizeof sna); 500 if (error) 501 return (error); 502 /* sa.sa_len = sizeof(sain); */ 503 na.version = NFS_ARGSVERSION; 504 na.addr = (void *)sna.addr; 505 na.addrlen = sizeof(struct sockaddr); 506 na.sotype = SOCK_DGRAM; 507 na.proto = IPPROTO_UDP; 508 na.fh = sna.fh; 509 na.fhsize = NFSX_V2FH; 510 na.flags = 0; 511 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 512 while (--n >= 0) 513 if (sna.flags & sunnfs_flgtab[n].sun_flg) 514 na.flags |= sunnfs_flgtab[n].bsd_flg; 515 na.wsize = sna.wsize; 516 na.rsize = sna.rsize; 517 if (na.flags & NFSMNT_RSIZE) { 518 na.flags |= NFSMNT_READDIRSIZE; 519 na.readdirsize = na.rsize; 520 } 521 na.timeo = sna.timeo; 522 na.retrans = sna.retrans; 523 na.hostname = (char *)(u_long)sna.hostname; 524 525 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 526 SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na, 527 &dummy); 528 } 529 530 if (strcmp(fsname, "4.2") == 0) 531 strcpy(fsname, "ffs"); 532 533 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 534 SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE, 535 0, &dummy); 536 } 537 538 void native_to_sunos_sigset(const sigset_t *, int *); 539 void sunos_to_native_sigset(const int, sigset_t *); 540 541 inline void 542 native_to_sunos_sigset(const sigset_t *ss, int *mask) 543 { 544 *mask = ss->__bits[0]; 545 } 546 547 inline void 548 sunos_to_native_sigset(const int mask, sigset_t *ss) 549 { 550 551 ss->__bits[0] = mask; 552 ss->__bits[1] = 0; 553 ss->__bits[2] = 0; 554 ss->__bits[3] = 0; 555 } 556 557 int 558 sunos32_sys_sigpending(struct lwp *l, const struct sunos32_sys_sigpending_args *uap, register_t *retval) 559 { 560 /* { 561 syscallarg(netbsd32_intp) mask; 562 } */ 563 sigset_t ss; 564 int mask; 565 566 sigpending1(l, &ss); 567 native_to_sunos_sigset(&ss, &mask); 568 569 return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int))); 570 } 571 572 int 573 sunos32_sys_sigsuspend(struct lwp *l, const struct sunos32_sys_sigsuspend_args *uap, register_t *retval) 574 { 575 /* { 576 syscallarg(int) mask; 577 } */ 578 int mask; 579 sigset_t ss; 580 581 mask = SCARG(uap, mask); 582 sunos_to_native_sigset(mask, &ss); 583 return (sigsuspend1(l, &ss)); 584 } 585 586 /* 587 * Read Sun-style directory entries. We suck them into kernel space so 588 * that they can be massaged before being copied out to user code. Like 589 * SunOS, we squish out `empty' entries. 590 * 591 * This is quite ugly, but what do you expect from compatibility code? 592 */ 593 int 594 sunos32_sys_getdents(struct lwp *l, const struct sunos32_sys_getdents_args *uap, register_t *retval) 595 { 596 /* { 597 syscallarg(int) fd; 598 syscallarg(netbsd32_charp) buf; 599 syscallarg(int) nbytes; 600 } */ 601 struct dirent *bdp; 602 struct vnode *vp; 603 char *inp, *sbuf; /* BSD-format */ 604 int len, reclen; /* BSD-format */ 605 char *outp; /* Sun-format */ 606 int resid, sunos_reclen;/* Sun-format */ 607 struct file *fp; 608 struct uio auio; 609 struct iovec aiov; 610 struct sunos32_dirent idb; 611 off_t off; /* true file offset */ 612 int buflen, error, eofflag; 613 off_t *cookiebuf, *cookie; 614 int ncookies; 615 616 /* fd_getvnode() will use the descriptor for us */ 617 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 618 return (error); 619 620 if ((fp->f_flag & FREAD) == 0) { 621 error = EBADF; 622 goto out1; 623 } 624 625 vp = fp->f_data; 626 if (vp->v_type != VDIR) { 627 error = EINVAL; 628 goto out1; 629 } 630 631 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 632 sbuf = malloc(buflen, M_TEMP, M_WAITOK); 633 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 634 off = fp->f_offset; 635 again: 636 aiov.iov_base = sbuf; 637 aiov.iov_len = buflen; 638 auio.uio_iov = &aiov; 639 auio.uio_iovcnt = 1; 640 auio.uio_rw = UIO_READ; 641 auio.uio_resid = buflen; 642 auio.uio_offset = off; 643 UIO_SETUP_SYSSPACE(&auio); 644 /* 645 * First we read into the malloc'ed buffer, then 646 * we massage it into user space, one record at a time. 647 */ 648 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 649 &ncookies); 650 if (error) 651 goto out; 652 653 inp = sbuf; 654 outp = SCARG_P32(uap, buf); 655 resid = SCARG(uap, nbytes); 656 if ((len = buflen - auio.uio_resid) == 0) 657 goto eof; 658 659 for (cookie = cookiebuf; len > 0; len -= reclen) { 660 bdp = (struct dirent *)inp; 661 reclen = bdp->d_reclen; 662 if (reclen & 3) 663 panic("sunos_getdents"); 664 if (cookie && (*cookie >> 32) != 0) { 665 compat_offseterr(vp, "sunos_getdents"); 666 error = EINVAL; 667 goto out; 668 } 669 if (bdp->d_fileno == 0) { 670 inp += reclen; /* it is a hole; squish it out */ 671 if (cookie) 672 off = *cookie++; 673 else 674 off += reclen; 675 continue; 676 } 677 sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen); 678 if (reclen > len || resid < sunos_reclen) { 679 /* entry too big for buffer, so just stop */ 680 outp++; 681 break; 682 } 683 if (cookie) 684 off = *cookie++; /* each entry points to next */ 685 else 686 off += reclen; 687 /* 688 * Massage in place to make a Sun-shaped dirent (otherwise 689 * we have to worry about touching user memory outside of 690 * the copyout() call). 691 */ 692 idb.d_fileno = bdp->d_fileno; 693 idb.d_off = off; 694 idb.d_reclen = sunos_reclen; 695 idb.d_namlen = bdp->d_namlen; 696 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 697 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 698 goto out; 699 /* advance past this real entry */ 700 inp += reclen; 701 /* advance output past Sun-shaped entry */ 702 outp += sunos_reclen; 703 resid -= sunos_reclen; 704 } 705 706 /* if we squished out the whole block, try again */ 707 if (outp == SCARG_P32(uap, buf)) { 708 if (cookiebuf) 709 free(cookiebuf, M_TEMP); 710 cookiebuf = NULL; 711 goto again; 712 } 713 fp->f_offset = off; /* update the vnode offset */ 714 715 eof: 716 *retval = SCARG(uap, nbytes) - resid; 717 out: 718 VOP_UNLOCK(vp); 719 free(cookiebuf, M_TEMP); 720 free(sbuf, M_TEMP); 721 out1: 722 fd_putfile(SCARG(uap, fd)); 723 return (error); 724 } 725 726 #define SUNOS32__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 727 728 int 729 sunos32_sys_mmap(struct lwp *l, const struct sunos32_sys_mmap_args *uap, register_t *retval) 730 { 731 /* { 732 syscallarg(netbsd32_voidp) addr; 733 syscallarg(netbsd32_size_t) len; 734 syscallarg(int) prot; 735 syscallarg(int) flags; 736 syscallarg(int) fd; 737 syscallarg(netbsd32_long) pos; 738 } */ 739 struct sys_mmap_args ua; 740 int error; 741 742 /* 743 * Verify the arguments. 744 */ 745 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 746 return (EINVAL); /* XXX still needed? */ 747 748 if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0) 749 return (EINVAL); 750 751 SUNOS32TOP_UAP(addr, void); 752 SUNOS32TOX_UAP(len, size_t); 753 SUNOS32TO64_UAP(prot); 754 SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW; 755 SUNOS32TO64_UAP(fd); 756 SCARG(&ua, PAD) = 0; 757 SUNOS32TOX_UAP(pos, off_t); 758 759 error = sys_mmap(l, &ua, retval); 760 if ((u_long)*retval > (u_long)UINT_MAX) { 761 printf("sunos32_mmap: retval out of range: 0x%lx", 762 (u_long)*retval); 763 /* Should try to recover and return an error here. */ 764 } 765 return (error); 766 } 767 768 #define MC_SYNC 1 769 #define MC_LOCK 2 770 #define MC_UNLOCK 3 771 #define MC_ADVISE 4 772 #define MC_LOCKAS 5 773 #define MC_UNLOCKAS 6 774 775 int 776 sunos32_sys_mctl(struct lwp *l, const struct sunos32_sys_mctl_args *uap, register_t *retval) 777 { 778 /* { 779 syscallarg(netbsd32_voidp) addr; 780 syscallarg(int) len; 781 syscallarg(int) func; 782 syscallarg(netbsd32_voidp) arg; 783 } */ 784 785 switch (SCARG(uap, func)) { 786 case MC_ADVISE: /* ignore for now */ 787 return (0); 788 case MC_SYNC: /* translate to msync */ 789 return (netbsd32___msync13(l, (const void *)uap, retval)); 790 default: 791 return (EINVAL); 792 } 793 } 794 795 int 796 sunos32_sys_setsockopt(struct lwp *l, const struct sunos32_sys_setsockopt_args *uap, register_t *retval) 797 { 798 /* { 799 syscallarg(int) s; 800 syscallarg(int) level; 801 syscallarg(int) name; 802 syscallarg(netbsd32_caddr_t) val; 803 syscallarg(int) valsize; 804 } */ 805 struct sockopt sopt; 806 struct socket *so; 807 int name = SCARG(uap, name); 808 int error; 809 810 /* fd_getsock() will use the descriptor for us */ 811 if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) 812 return (error); 813 #define SO_DONTLINGER (~SO_LINGER) 814 if (name == SO_DONTLINGER) { 815 struct linger lg; 816 817 lg.l_onoff = 0; 818 error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, 819 &lg, sizeof(lg)); 820 goto out; 821 } 822 if (SCARG(uap, level) == IPPROTO_IP) { 823 #define SUNOS_IP_MULTICAST_IF 2 824 #define SUNOS_IP_MULTICAST_TTL 3 825 #define SUNOS_IP_MULTICAST_LOOP 4 826 #define SUNOS_IP_ADD_MEMBERSHIP 5 827 #define SUNOS_IP_DROP_MEMBERSHIP 6 828 static const int ipoptxlat[] = { 829 IP_MULTICAST_IF, 830 IP_MULTICAST_TTL, 831 IP_MULTICAST_LOOP, 832 IP_ADD_MEMBERSHIP, 833 IP_DROP_MEMBERSHIP 834 }; 835 if (name >= SUNOS_IP_MULTICAST_IF && 836 name <= SUNOS_IP_DROP_MEMBERSHIP) { 837 name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; 838 } 839 } 840 if (SCARG(uap, valsize) > MLEN) { 841 error = EINVAL; 842 goto out; 843 } 844 sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); 845 if (SCARG_P32(uap, val)) { 846 error = copyin(SCARG_P32(uap, val), sopt.sopt_data, 847 (u_int)SCARG(uap, valsize)); 848 } 849 if (error == 0) 850 error = sosetopt(so, &sopt); 851 sockopt_destroy(&sopt); 852 out: 853 fd_putfile(SCARG(uap, s)); 854 return (error); 855 } 856 857 static inline int sunos32_sys_socket_common(struct lwp *, register_t *, 858 int type); 859 static inline int 860 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type) 861 { 862 struct socket *so; 863 int error, fd; 864 865 /* fd_getsock() will use the descriptor for us */ 866 fd = (int)*retval; 867 if ((error = fd_getsock(fd, &so)) == 0) { 868 if (type == SOCK_DGRAM) 869 so->so_options |= SO_BROADCAST; 870 fd_putfile(fd); 871 } 872 return (error); 873 } 874 875 int 876 sunos32_sys_socket(struct lwp *l, const struct sunos32_sys_socket_args *uap, register_t *retval) 877 { 878 /* { 879 syscallarg(int) domain; 880 syscallarg(int) type; 881 syscallarg(int) protocol; 882 } */ 883 int error; 884 885 error = netbsd32___socket30(l, (const void *)uap, retval); 886 if (error) 887 return (error); 888 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 889 } 890 891 int 892 sunos32_sys_socketpair(struct lwp *l, const struct sunos32_sys_socketpair_args *uap, register_t *retval) 893 { 894 /* { 895 syscallarg(int) domain; 896 syscallarg(int) type; 897 syscallarg(int) protocol; 898 syscallarg(int *) rsv; 899 } */ 900 int error; 901 902 error = netbsd32_socketpair(l, (const void *)uap, retval); 903 if (error) 904 return (error); 905 return sunos32_sys_socket_common(l, retval, SCARG(uap, type)); 906 } 907 908 909 /* 910 * XXX: This needs cleaning up. 911 */ 912 int 913 sunos32_sys_auditsys(struct lwp *l, const struct sunos32_sys_auditsys_args *uap, register_t *retval) 914 { 915 return 0; 916 } 917 918 int 919 sunos32_sys_uname(struct lwp *l, const struct sunos32_sys_uname_args *uap, register_t *retval) 920 { 921 /* { 922 syscallarg(sunos32_utsnamep_t) name; 923 } */ 924 struct sunos_utsname sut; 925 926 memset(&sut, 0, sizeof(sut)); 927 928 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 929 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 930 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 931 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 932 memcpy(sut.version, "1", sizeof(sut.version) - 1); 933 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 934 935 return copyout((void *)&sut, SCARG_P32(uap, name), 936 sizeof(struct sunos_utsname)); 937 } 938 939 int 940 sunos32_sys_setpgrp(struct lwp *l, const struct sunos32_sys_setpgrp_args *uap, register_t *retval) 941 { 942 /* { 943 syscallarg(int) pid; 944 syscallarg(int) pgid; 945 } */ 946 struct proc *p = l->l_proc; 947 948 /* 949 * difference to our setpgid call is to include backwards 950 * compatibility to pre-setsid() binaries. Do setsid() 951 * instead of setpgid() in those cases where the process 952 * tries to create a new session the old way. 953 */ 954 if (!SCARG(uap, pgid) && 955 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 956 return sys_setsid(l, NULL, retval); 957 else 958 return netbsd32_setpgid(l, (const void *)uap, retval); 959 } 960 961 int 962 sunos32_sys_open(struct lwp *l, const struct sunos32_sys_open_args *uap, register_t *retval) 963 { 964 /* { 965 syscallarg(const netbsd32_charp) path; 966 syscallarg(int) flags; 967 syscallarg(int) mode; 968 } */ 969 struct proc *p = l->l_proc; 970 struct sys_open_args ua; 971 int lf, r; 972 int noctty; 973 int ret; 974 975 /* convert mode into NetBSD mode */ 976 lf = SCARG(uap, flags); 977 noctty = lf & 0x8000; 978 r = (lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 979 r |= ((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 980 r |= ((lf & 0x0080) ? O_SHLOCK : 0); 981 r |= ((lf & 0x0100) ? O_EXLOCK : 0); 982 r |= ((lf & 0x2000) ? O_FSYNC : 0); 983 984 SUNOS32TOP_UAP(path, const char); 985 SCARG(&ua, flags) = r; 986 SUNOS32TO64_UAP(mode); 987 988 ret = sys_open(l, &ua, retval); 989 990 /* XXXSMP unlocked */ 991 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 992 file_t *fp; 993 int fd; 994 995 fd = (int)*retval; 996 fp = fd_getfile(fd); 997 998 /* ignore any error, just give it a try */ 999 if (fp != NULL) { 1000 if (fp->f_type == DTYPE_VNODE) 1001 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); 1002 fd_putfile(fd); 1003 } 1004 } 1005 return ret; 1006 } 1007 1008 int 1009 sunos32_sys_ustat(struct lwp *l, const struct sunos32_sys_ustat_args *uap, register_t *retval) 1010 { 1011 /* { 1012 syscallarg(int) dev; 1013 syscallarg(sunos32_ustatp_t) buf; 1014 } */ 1015 struct sunos_ustat us; 1016 int error; 1017 1018 memset(&us, 0, sizeof us); 1019 1020 /* 1021 * XXX: should set f_tfree and f_tinode at least 1022 * How do we translate dev -> fstat? (and then to sunos_ustat) 1023 */ 1024 1025 if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0) 1026 return (error); 1027 return 0; 1028 } 1029 1030 int 1031 sunos32_sys_quotactl(struct lwp *l, const struct sunos32_sys_quotactl_args *uap, register_t *retval) 1032 { 1033 1034 return EINVAL; 1035 } 1036 1037 int 1038 sunos32_sys_vhangup(struct lwp *l, const void *v, register_t *retval) 1039 { 1040 struct proc *p = l->l_proc; 1041 struct session *sp = p->p_session; 1042 1043 if (sp->s_ttyvp == 0) 1044 return 0; 1045 1046 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 1047 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 1048 1049 (void) ttywait(sp->s_ttyp); 1050 if (sp->s_ttyvp) 1051 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 1052 if (sp->s_ttyvp) 1053 vrele(sp->s_ttyvp); 1054 sp->s_ttyvp = NULL; 1055 1056 return 0; 1057 } 1058 1059 static int 1060 sunstatfs(struct statvfs *sp, void *sbuf) 1061 { 1062 struct sunos_statfs ssfs; 1063 1064 memset(&ssfs, 0, sizeof ssfs); 1065 ssfs.f_type = 0; 1066 ssfs.f_bsize = sp->f_bsize; 1067 ssfs.f_blocks = sp->f_blocks; 1068 ssfs.f_bfree = sp->f_bfree; 1069 ssfs.f_bavail = sp->f_bavail; 1070 ssfs.f_files = sp->f_files; 1071 ssfs.f_ffree = sp->f_ffree; 1072 ssfs.f_fsid = sp->f_fsidx; 1073 return copyout((void *)&ssfs, sbuf, sizeof ssfs); 1074 } 1075 1076 int 1077 sunos32_sys_statfs(struct lwp *l, const struct sunos32_sys_statfs_args *uap, register_t *retval) 1078 { 1079 /* { 1080 syscallarg(const netbsd32_charp) path; 1081 syscallarg(sunos32_statfsp_t) buf; 1082 } */ 1083 struct mount *mp; 1084 struct statvfs *sp; 1085 int error; 1086 struct vnode *vp; 1087 struct sys_statvfs1_args ua; 1088 1089 SUNOS32TOP_UAP(path, const char); 1090 1091 error = namei_simple_user(SCARG(&ua, path), 1092 NSM_FOLLOW_TRYEMULROOT, &vp); 1093 if (error != 0) 1094 return (error); 1095 mp = vp->v_mount; 1096 sp = &mp->mnt_stat; 1097 vrele(vp); 1098 if ((error = VFS_STATVFS(mp, sp)) != 0) 1099 return (error); 1100 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1101 return sunstatfs(sp, SCARG_P32(uap, buf)); 1102 } 1103 1104 int 1105 sunos32_sys_fstatfs(struct lwp *l, const struct sunos32_sys_fstatfs_args *uap, register_t *retval) 1106 { 1107 /* { 1108 syscallarg(int) fd; 1109 syscallarg(sunos32_statfsp_t) buf; 1110 } */ 1111 file_t *fp; 1112 struct mount *mp; 1113 struct statvfs *sp; 1114 int error; 1115 1116 /* fd_getvnode() will use the descriptor for us */ 1117 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1118 return (error); 1119 mp = ((struct vnode *)fp->f_data)->v_mount; 1120 sp = &mp->mnt_stat; 1121 if ((error = VFS_STATVFS(mp, sp)) != 0) 1122 goto out; 1123 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 1124 error = sunstatfs(sp, SCARG_P32(uap, buf)); 1125 out: 1126 fd_putfile(SCARG(uap, fd)); 1127 return (error); 1128 } 1129 1130 int 1131 sunos32_sys_exportfs(struct lwp *l, const struct sunos32_sys_exportfs_args *uap, register_t *retval) 1132 { 1133 /* 1134 * XXX: should perhaps translate into a mount(2) 1135 * with MOUNT_EXPORT? 1136 */ 1137 return 0; 1138 } 1139 1140 int 1141 sunos32_sys_mknod(struct lwp *l, const struct sunos32_sys_mknod_args *uap, register_t *retval) 1142 { 1143 /* { 1144 syscallarg(const netbsd32_charp) path; 1145 syscallarg(int) mode; 1146 syscallarg(int) dev; 1147 } */ 1148 1149 if (S_ISFIFO(SCARG(uap, mode))) 1150 return netbsd32_mkfifo(l, (const struct netbsd32_mkfifo_args *)uap, retval); 1151 1152 return compat_50_netbsd32_mknod(l, (const struct compat_50_netbsd32_mknod_args *)uap, retval); 1153 } 1154 1155 #define SUNOS_SC_ARG_MAX 1 1156 #define SUNOS_SC_CHILD_MAX 2 1157 #define SUNOS_SC_CLK_TCK 3 1158 #define SUNOS_SC_NGROUPS_MAX 4 1159 #define SUNOS_SC_OPEN_MAX 5 1160 #define SUNOS_SC_JOB_CONTROL 6 1161 #define SUNOS_SC_SAVED_IDS 7 1162 #define SUNOS_SC_VERSION 8 1163 1164 int 1165 sunos32_sys_sysconf(struct lwp *l, const struct sunos32_sys_sysconf_args *uap, register_t *retval) 1166 { 1167 /* { 1168 syscallarg(int) name; 1169 } */ 1170 extern u_int maxfiles; 1171 1172 switch(SCARG(uap, name)) { 1173 case SUNOS_SC_ARG_MAX: 1174 *retval = ARG_MAX; 1175 break; 1176 case SUNOS_SC_CHILD_MAX: 1177 *retval = maxproc; 1178 break; 1179 case SUNOS_SC_CLK_TCK: 1180 *retval = 60; /* should this be `hz', ie. 100? */ 1181 break; 1182 case SUNOS_SC_NGROUPS_MAX: 1183 *retval = NGROUPS_MAX; 1184 break; 1185 case SUNOS_SC_OPEN_MAX: 1186 *retval = maxfiles; 1187 break; 1188 case SUNOS_SC_JOB_CONTROL: 1189 *retval = 1; 1190 break; 1191 case SUNOS_SC_SAVED_IDS: 1192 #ifdef _POSIX_SAVED_IDS 1193 *retval = 1; 1194 #else 1195 *retval = 0; 1196 #endif 1197 break; 1198 case SUNOS_SC_VERSION: 1199 *retval = 198808; 1200 break; 1201 default: 1202 return EINVAL; 1203 } 1204 return 0; 1205 } 1206 1207 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 1208 #define SUNOS_RLIM_NLIMITS 7 1209 1210 int 1211 sunos32_sys_getrlimit(struct lwp *l, const struct sunos32_sys_getrlimit_args *uap, register_t *retval) 1212 { 1213 /* { 1214 syscallarg(u_int) which; 1215 syscallarg(netbsd32_orlimitp_t) rlp; 1216 } */ 1217 struct compat_43_netbsd32_ogetrlimit_args ua_43; 1218 1219 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1220 return EINVAL; 1221 1222 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1223 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1224 1225 return compat_43_netbsd32_ogetrlimit(l, &ua_43, retval); 1226 } 1227 1228 int 1229 sunos32_sys_setrlimit(struct lwp *l, const struct sunos32_sys_setrlimit_args *uap, register_t *retval) 1230 { 1231 /* { 1232 syscallarg(u_int) which; 1233 syscallarg(netbsd32_orlimitp_t) rlp; 1234 } */ 1235 struct compat_43_netbsd32_osetrlimit_args ua_43; 1236 1237 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1238 return EINVAL; 1239 1240 SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which); 1241 SCARG(&ua_43, rlp) = SCARG(uap, rlp); 1242 1243 return compat_43_netbsd32_osetrlimit(l, &ua_43, retval); 1244 } 1245 1246 /* for the m68k machines */ 1247 #ifndef PT_GETFPREGS 1248 #define PT_GETFPREGS -1 1249 #endif 1250 #ifndef PT_SETFPREGS 1251 #define PT_SETFPREGS -1 1252 #endif 1253 1254 static const int sreq2breq[] = { 1255 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1256 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1257 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1258 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1259 }; 1260 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1261 1262 int 1263 sunos32_sys_ptrace(struct lwp *l, const struct sunos32_sys_ptrace_args *uap, register_t *retval) 1264 { 1265 /* { 1266 syscallarg(int) req; 1267 syscallarg(pid_t) pid; 1268 syscallarg(netbsd32_caddr_t) addr; 1269 syscallarg(int) data; 1270 syscallarg(netbsd32_charp) addr2; 1271 } */ 1272 struct netbsd32_ptrace_args pa; 1273 int req; 1274 1275 #define sys_ptrace sysent[SYS_ptrace].sy_call 1276 if (sys_ptrace == sys_nosys) 1277 return ENOSYS; 1278 1279 req = SCARG(uap, req); 1280 if ((unsigned int)req >= nreqs) 1281 return (EINVAL); 1282 1283 req = sreq2breq[req]; 1284 if (req == -1) 1285 return (EINVAL); 1286 1287 SCARG(&pa, req) = req; 1288 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1289 SCARG(&pa, addr) = SCARG(uap, addr); 1290 SCARG(&pa, data) = SCARG(uap, data); 1291 1292 return netbsd32_ptrace(l, &pa, retval); 1293 } 1294 1295 /* 1296 * SunOS reboot system call (for compatibility). 1297 * Sun lets you pass in a boot string which the PROM 1298 * saves and provides to the next boot program. 1299 */ 1300 1301 #define SUNOS_RB_ASKNAME 0x001 1302 #define SUNOS_RB_SINGLE 0x002 1303 #define SUNOS_RB_NOSYNC 0x004 1304 #define SUNOS_RB_HALT 0x008 1305 #define SUNOS_RB_DUMP 0x080 1306 #define SUNOS_RB_STRING 0x200 1307 1308 static struct sunos_howto_conv { 1309 int sun_howto; 1310 int bsd_howto; 1311 } sunos_howto_conv[] = { 1312 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1313 { SUNOS_RB_SINGLE, RB_SINGLE }, 1314 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1315 { SUNOS_RB_HALT, RB_HALT }, 1316 { SUNOS_RB_DUMP, RB_DUMP }, 1317 { SUNOS_RB_STRING, RB_STRING }, 1318 { 0x000, 0 }, 1319 }; 1320 1321 int 1322 sunos32_sys_reboot(struct lwp *l, const struct sunos32_sys_reboot_args *uap, register_t *retval) 1323 { 1324 /* { 1325 syscallarg(int) howto; 1326 syscallarg(netbsd32_charp) bootstr; 1327 } */ 1328 struct sys_reboot_args ua; 1329 struct sunos_howto_conv *convp; 1330 int error, bsd_howto, sun_howto; 1331 char *bootstr; 1332 1333 if ((error = kauth_authorize_system(l->l_cred, 1334 KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0) 1335 return (error); 1336 1337 /* 1338 * Convert howto bits to BSD format. 1339 */ 1340 sun_howto = SCARG(uap, howto); 1341 bsd_howto = 0; 1342 convp = sunos_howto_conv; 1343 while (convp->sun_howto) { 1344 if (sun_howto & convp->sun_howto) 1345 bsd_howto |= convp->bsd_howto; 1346 convp++; 1347 } 1348 1349 /* 1350 * Sun RB_STRING (Get user supplied bootstring.) 1351 * If the machine supports passing a string to the 1352 * next booted kernel. 1353 */ 1354 if (sun_howto & SUNOS_RB_STRING) 1355 bootstr = SCARG_P32(uap, bootstr); 1356 else 1357 bootstr = NULL; 1358 1359 SCARG(&ua, opt) = bsd_howto; 1360 SCARG(&ua, bootstr) = bootstr; 1361 return (sys_reboot(l, &ua, retval)); 1362 } 1363 1364 /* 1365 * Generalized interface signal handler, 4.3-compatible. 1366 */ 1367 /* ARGSUSED */ 1368 int 1369 sunos32_sys_sigvec(struct lwp *l, const struct sunos32_sys_sigvec_args *uap, register_t *retval) 1370 { 1371 /* { 1372 syscallarg(int) signum; 1373 syscallarg(struct sigvec *) nsv; 1374 syscallarg(struct sigvec *) osv; 1375 } */ 1376 struct netbsd32_sigvec sv; 1377 struct sigaction nsa, osa; 1378 int error; 1379 1380 if (SCARG_P32(uap, nsv)) { 1381 error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv)); 1382 if (error != 0) 1383 return (error); 1384 1385 /* 1386 * SunOS uses the mask 0x0004 as SV_RESETHAND 1387 * meaning: `reset to SIG_DFL on delivery'. 1388 * We support only the bits in: 0xF 1389 * (those bits are the same as ours) 1390 */ 1391 if (sv.sv_flags & ~0xF) 1392 return (EINVAL); 1393 1394 sunos32_sigvec_to_sigaction(&sv, &nsa); 1395 } 1396 error = sigaction1(l, SCARG(uap, signum), 1397 SCARG_P32(uap, nsv) ? &nsa : 0, 1398 SCARG_P32(uap, osv) ? &osa : 0, 1399 NULL, 0); 1400 if (error != 0) 1401 return (error); 1402 1403 if (SCARG_P32(uap, osv)) { 1404 sunos32_sigvec_from_sigaction(&sv, &osa); 1405 error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv)); 1406 if (error != 0) 1407 return (error); 1408 } 1409 1410 return (0); 1411 } 1412