1 /* $NetBSD: netbsd32_compat_43.c,v 1.46 2007/12/08 18:36:18 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_43.c,v 1.46 2007/12/08 18:36:18 dsl Exp $"); 33 34 #if defined(_KERNEL_OPT) 35 #include "opt_compat_43.h" 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/fcntl.h> 41 #include <sys/filedesc.h> 42 #include <sys/malloc.h> 43 #include <sys/mbuf.h> 44 #include <sys/mount.h> 45 #include <sys/namei.h> 46 #include <sys/socket.h> 47 #include <sys/proc.h> 48 #include <sys/socket.h> 49 #include <sys/socketvar.h> 50 #include <sys/stat.h> 51 #include <sys/syscallargs.h> 52 #include <sys/time.h> 53 #include <sys/ucred.h> 54 #include <sys/vfs_syscalls.h> 55 #include <uvm/uvm_extern.h> 56 #include <sys/sysctl.h> 57 #include <sys/swap.h> 58 59 #include <compat/netbsd32/netbsd32.h> 60 #include <compat/netbsd32/netbsd32_syscallargs.h> 61 62 #include <compat/sys/stat.h> 63 #include <compat/sys/signal.h> 64 #include <compat/sys/signalvar.h> 65 #include <compat/sys/socket.h> 66 67 int compat_43_netbsd32_sethostid(struct lwp *, void *, register_t *); 68 int compat_43_netbsd32_killpg(struct lwp *, void *, register_t *retval); 69 int compat_43_netbsd32_sigblock(struct lwp *, void *, register_t *retval); 70 int compat_43_netbsd32_sigblock(struct lwp *, void *, register_t *retval); 71 int compat_43_netbsd32_sigsetmask(struct lwp *, void *, register_t *retval); 72 73 static void 74 netbsd32_from_stat(const struct stat *sb, struct netbsd32_stat43 *sp32) 75 { 76 77 sp32->st_dev = sb->st_dev; 78 sp32->st_ino = sb->st_ino; 79 sp32->st_mode = sb->st_mode; 80 sp32->st_nlink = sb->st_nlink; 81 sp32->st_uid = sb->st_uid; 82 sp32->st_gid = sb->st_gid; 83 sp32->st_rdev = sb->st_rdev; 84 sp32->st_size = sb->st_size < (quad_t)1 << 32 ? sb->st_size : -2; 85 sp32->st_atimespec.tv_sec = sb->st_atimespec.tv_sec; 86 sp32->st_atimespec.tv_nsec = sb->st_atimespec.tv_nsec; 87 sp32->st_mtimespec.tv_sec = sb->st_mtimespec.tv_sec; 88 sp32->st_mtimespec.tv_nsec = sb->st_mtimespec.tv_nsec; 89 sp32->st_ctimespec.tv_sec = sb->st_ctimespec.tv_sec; 90 sp32->st_ctimespec.tv_nsec = sb->st_ctimespec.tv_nsec; 91 sp32->st_blksize = sb->st_blksize; 92 sp32->st_blocks = sb->st_blocks; 93 sp32->st_flags = sb->st_flags; 94 sp32->st_gen = sb->st_gen; 95 } 96 97 /* file system syscalls */ 98 int 99 compat_43_netbsd32_ocreat(struct lwp *l, void *v, register_t *retval) 100 { 101 struct compat_43_netbsd32_ocreat_args /* { 102 syscallarg(const netbsd32_charp) path; 103 syscallarg(mode_t) mode; 104 } */ *uap = v; 105 struct sys_open_args ua; 106 107 NETBSD32TOP_UAP(path, const char); 108 NETBSD32TO64_UAP(mode); 109 SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; 110 111 return (sys_open(l, &ua, retval)); 112 } 113 114 int 115 compat_43_netbsd32_olseek(struct lwp *l, void *v, register_t *retval) 116 { 117 struct compat_43_netbsd32_olseek_args /* { 118 syscallarg(int) fd; 119 syscallarg(netbsd32_long) offset; 120 syscallarg(int) whence; 121 } */ *uap = v; 122 struct sys_lseek_args ua; 123 int rv; 124 off_t rt; 125 126 SCARG(&ua, fd) = SCARG(uap, fd); 127 NETBSD32TOX_UAP(offset, long); 128 NETBSD32TO64_UAP(whence); 129 rv = sys_lseek(l, &ua, (register_t *)&rt); 130 *retval = rt; 131 132 return (rv); 133 } 134 135 int 136 compat_43_netbsd32_stat43(struct lwp *l, void *v, register_t *retval) 137 { 138 struct compat_43_netbsd32_stat43_args /* { 139 syscallarg(const netbsd32_charp) path; 140 syscallarg(netbsd32_stat43p_t) ub; 141 } */ *uap = v; 142 struct stat sb; 143 struct netbsd32_stat43 sb32; 144 int error; 145 146 error = do_sys_stat(l, SCARG_P32(uap, path), FOLLOW, &sb); 147 if (error == 0) { 148 netbsd32_from_stat(&sb, &sb32); 149 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 150 } 151 return error; 152 } 153 154 int 155 compat_43_netbsd32_lstat43(struct lwp *l, void *v, register_t *retval) 156 { 157 struct compat_43_netbsd32_lstat43_args /* { 158 syscallarg(const netbsd32_charp) path; 159 syscallarg(netbsd32_stat43p_t) ub; 160 } */ *uap = v; 161 struct stat sb; 162 struct netbsd32_stat43 sb32; 163 int error; 164 165 error = do_sys_stat(l, SCARG_P32(uap, path), NOFOLLOW, &sb); 166 if (error == 0) { 167 netbsd32_from_stat(&sb, &sb32); 168 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 169 } 170 return error; 171 } 172 173 int 174 compat_43_netbsd32_fstat43(struct lwp *l, void *v, register_t *retval) 175 { 176 struct compat_43_netbsd32_fstat43_args /* { 177 syscallarg(int) fd; 178 syscallarg(netbsd32_stat43p_t) sb; 179 } */ *uap = v; 180 struct stat sb; 181 struct netbsd32_stat43 sb32; 182 int error; 183 184 error = do_sys_fstat(l, SCARG(uap, fd), &sb); 185 if (error == 0) { 186 netbsd32_from_stat(&sb, &sb32); 187 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 188 } 189 return error; 190 } 191 192 int 193 compat_43_netbsd32_otruncate(struct lwp *l, void *v, register_t *retval) 194 { 195 struct compat_43_netbsd32_otruncate_args /* { 196 syscallarg(const netbsd32_charp) path; 197 syscallarg(netbsd32_long) length; 198 } */ *uap = v; 199 struct sys_truncate_args ua; 200 201 NETBSD32TOP_UAP(path, const char); 202 NETBSD32TO64_UAP(length); 203 return (sys_ftruncate(l, &ua, retval)); 204 } 205 206 int 207 compat_43_netbsd32_oftruncate(struct lwp *l, void *v, register_t *retval) 208 { 209 struct compat_43_netbsd32_oftruncate_args /* { 210 syscallarg(int) fd; 211 syscallarg(netbsd32_long) length; 212 } */ *uap = v; 213 struct sys_ftruncate_args ua; 214 215 NETBSD32TO64_UAP(fd); 216 NETBSD32TO64_UAP(length); 217 return (sys_ftruncate(l, &ua, retval)); 218 } 219 220 int 221 compat_43_netbsd32_ogetdirentries(struct lwp *l, void *v, register_t *retval) 222 { 223 struct compat_43_netbsd32_ogetdirentries_args /* { 224 syscallarg(int) fd; 225 syscallarg(netbsd32_charp) buf; 226 syscallarg(u_int) count; 227 syscallarg(netbsd32_longp) basep; 228 } */ *uap = v; 229 struct compat_43_sys_getdirentries_args ua; 230 231 NETBSD32TO64_UAP(fd); 232 NETBSD32TOP_UAP(buf, char); 233 NETBSD32TO64_UAP(count); 234 NETBSD32TOP_UAP(basep, long); 235 return (compat_43_sys_getdirentries(l, &ua, retval)); 236 } 237 238 /* kernel syscalls */ 239 int 240 compat_43_netbsd32_ogetkerninfo(struct lwp *l, void *v, register_t *retval) 241 { 242 struct compat_43_netbsd32_ogetkerninfo_args /* { 243 syscallarg(int) op; 244 syscallarg(netbsd32_charp) where; 245 syscallarg(netbsd32_intp) size; 246 syscallarg(int) arg; 247 } */ *uap = v; 248 struct compat_43_sys_getkerninfo_args ua; 249 250 NETBSD32TO64_UAP(op); 251 NETBSD32TOP_UAP(where, char); 252 NETBSD32TOP_UAP(size, int); 253 NETBSD32TO64_UAP(arg); 254 return (compat_43_sys_getkerninfo(l, &ua, retval)); 255 } 256 257 int 258 compat_43_netbsd32_ogethostname(struct lwp* l, void *v, register_t *retval) 259 { 260 struct compat_43_netbsd32_ogethostname_args /* { 261 syscallarg(netbsd32_charp) hostname; 262 syscallarg(u_int) len; 263 } */ *uap = v; 264 int name[2]; 265 size_t sz; 266 267 name[0] = CTL_KERN; 268 name[1] = KERN_HOSTNAME; 269 sz = SCARG(uap, len); 270 return (old_sysctl(&name[0], 2, 271 SCARG_P32(uap, hostname), &sz, 0, 0, l)); 272 } 273 274 int 275 compat_43_netbsd32_osethostname(struct lwp* l, void *v, register_t *retval) 276 { 277 struct compat_43_netbsd32_osethostname_args /* { 278 syscallarg(netbsd32_charp) hostname; 279 syscallarg(u_int) len; 280 } */ *uap = v; 281 int name[2]; 282 283 name[0] = CTL_KERN; 284 name[1] = KERN_HOSTNAME; 285 return old_sysctl(&name[0], 2, 0, 0, (char *)SCARG_P32(uap, 286 hostname), SCARG(uap, len), l); 287 } 288 289 int 290 compat_43_netbsd32_sethostid(struct lwp* l, void *v, register_t *retval) 291 { 292 struct compat_43_netbsd32_sethostid_args /* { 293 syscallarg(int32_t) hostid; 294 } */ *uap = v; 295 struct compat_43_sys_sethostid_args ua; 296 297 NETBSD32TO64_UAP(hostid); 298 return (compat_43_sys_sethostid(l, &ua, retval)); 299 } 300 301 int 302 compat_43_netbsd32_ogetrlimit(struct lwp* l, void *v, register_t *retval) 303 { 304 struct compat_43_netbsd32_ogetrlimit_args /* { 305 syscallarg(int) which; 306 syscallarg(netbsd32_orlimitp_t) rlp; 307 } */ *uap = v; 308 struct compat_43_sys_getrlimit_args ua; 309 310 NETBSD32TO64_UAP(which); 311 NETBSD32TOP_UAP(rlp, struct orlimit); 312 return (compat_43_sys_getrlimit(l, &ua, retval)); 313 } 314 315 int 316 compat_43_netbsd32_osetrlimit(struct lwp* l, void *v, register_t *retval) 317 { 318 struct compat_43_netbsd32_osetrlimit_args /* { 319 syscallarg(int) which; 320 syscallarg(netbsd32_orlimitp_t) rlp; 321 } */ *uap = v; 322 struct compat_43_sys_setrlimit_args ua; 323 324 NETBSD32TO64_UAP(which); 325 NETBSD32TOP_UAP(rlp, struct orlimit); 326 return (compat_43_sys_setrlimit(l, &ua, retval)); 327 } 328 329 int 330 compat_43_netbsd32_killpg(struct lwp* l, void *v, register_t *retval) 331 { 332 struct compat_43_netbsd32_killpg_args /* { 333 syscallarg(int) pgid; 334 syscallarg(int) signum; 335 } */ *uap = v; 336 struct compat_43_sys_killpg_args ua; 337 338 NETBSD32TO64_UAP(pgid); 339 NETBSD32TO64_UAP(signum); 340 return (compat_43_sys_killpg(l, &ua, retval)); 341 } 342 343 /* virtual memory syscalls */ 344 int 345 compat_43_netbsd32_ommap(struct lwp* l, void *v, register_t *retval) 346 { 347 struct compat_43_netbsd32_ommap_args /* { 348 syscallarg(netbsd32_caddr_t) addr; 349 syscallarg(netbsd32_size_t) len; 350 syscallarg(int) prot; 351 syscallarg(int) flags; 352 syscallarg(int) fd; 353 syscallarg(netbsd32_long) pos; 354 } */ *uap = v; 355 struct compat_43_sys_mmap_args ua; 356 357 NETBSD32TOP_UAP(addr, void *); 358 NETBSD32TOX_UAP(len, size_t); 359 NETBSD32TO64_UAP(prot); 360 NETBSD32TO64_UAP(flags); 361 NETBSD32TO64_UAP(fd); 362 NETBSD32TOX_UAP(pos, long); 363 return (compat_43_sys_mmap(l, &ua, retval)); 364 } 365 366 /* network syscalls */ 367 int 368 compat_43_netbsd32_oaccept(struct lwp* l, void *v, register_t *retval) 369 { 370 struct compat_43_netbsd32_oaccept_args /* { 371 syscallarg(int) s; 372 syscallarg(netbsd32_caddr_t) name; 373 syscallarg(netbsd32_intp) anamelen; 374 } */ *uap = v; 375 struct compat_43_sys_accept_args ua; 376 377 NETBSD32TOX_UAP(s, int); 378 NETBSD32TOP_UAP(name, void *); 379 NETBSD32TOP_UAP(anamelen, int); 380 return (compat_43_sys_accept(l, &ua, retval)); 381 } 382 383 int 384 compat_43_netbsd32_osend(struct lwp* l, void *v, register_t *retval) 385 { 386 struct compat_43_netbsd32_osend_args /* { 387 syscallarg(int) s; 388 syscallarg(netbsd32_caddr_t) buf; 389 syscallarg(int) len; 390 syscallarg(int) flags; 391 } */ *uap = v; 392 struct compat_43_sys_send_args ua; 393 394 NETBSD32TO64_UAP(s); 395 NETBSD32TOP_UAP(buf, void *); 396 NETBSD32TO64_UAP(len); 397 NETBSD32TO64_UAP(flags); 398 return (compat_43_sys_send(l, &ua, retval)); 399 } 400 401 int 402 compat_43_netbsd32_orecv(struct lwp* l, void *v, register_t *retval) 403 { 404 struct compat_43_netbsd32_orecv_args /* { 405 syscallarg(int) s; 406 syscallarg(netbsd32_caddr_t) buf; 407 syscallarg(int) len; 408 syscallarg(int) flags; 409 } */ *uap = v; 410 struct compat_43_sys_recv_args ua; 411 412 NETBSD32TO64_UAP(s); 413 NETBSD32TOP_UAP(buf, void *); 414 NETBSD32TO64_UAP(len); 415 NETBSD32TO64_UAP(flags); 416 return (compat_43_sys_recv(l, &ua, retval)); 417 } 418 419 /* 420 * This is a brutal clone of compat_43_sys_recvmsg(). 421 */ 422 int 423 compat_43_netbsd32_orecvmsg(struct lwp* l, void *v, register_t *retval) 424 { 425 struct compat_43_netbsd32_orecvmsg_args /* { 426 syscallarg(int) s; 427 syscallarg(netbsd32_omsghdrp_t) msg; 428 syscallarg(int) flags; 429 } */ *uap = v; 430 struct netbsd32_omsghdr omsg; 431 struct msghdr msg; 432 struct mbuf *from, *control; 433 struct iovec *iov, aiov[UIO_SMALLIOV]; 434 int error; 435 436 error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); 437 if (error) 438 return (error); 439 440 if (NETBSD32PTR64(omsg.msg_accrights) == NULL) 441 omsg.msg_accrightslen = 0; 442 /* it was this way in 4.4BSD */ 443 if (omsg.msg_accrightslen > MLEN) 444 return EINVAL; 445 446 iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, 447 aiov, __arraycount(aiov)); 448 if (iov == NULL) 449 return EFAULT; 450 451 msg.msg_name = NETBSD32PTR64(omsg.msg_name); 452 msg.msg_namelen = omsg.msg_namelen; 453 msg.msg_iovlen = omsg.msg_iovlen; 454 msg.msg_iov = iov; 455 msg.msg_flags = SCARG(uap, flags) & MSG_USERFLAGS; 456 457 error = do_sys_recvmsg(l, SCARG(uap, s), &msg, &from, 458 NETBSD32PTR64(omsg.msg_accrights) != NULL ? &control : NULL, 459 retval); 460 if (error != 0) 461 return error; 462 463 /* 464 * If there is any control information and it's SCM_RIGHTS, 465 * pass it back to the program. 466 * XXX: maybe there can be more than one chunk of control data? 467 */ 468 if (NETBSD32PTR64(omsg.msg_accrights) != NULL && control != NULL) { 469 struct cmsghdr *cmsg = mtod(control, void *); 470 471 if (cmsg->cmsg_level == SOL_SOCKET 472 && cmsg->cmsg_type == SCM_RIGHTS 473 && cmsg->cmsg_len < omsg.msg_accrightslen 474 && copyout(CMSG_DATA(cmsg), 475 NETBSD32PTR64(omsg.msg_accrights), 476 cmsg->cmsg_len) == 0) { 477 omsg.msg_accrightslen = cmsg->cmsg_len; 478 free_control_mbuf(l, control, control->m_next); 479 } else { 480 omsg.msg_accrightslen = 0; 481 free_control_mbuf(l, control, control); 482 } 483 } else 484 omsg.msg_accrightslen = 0; 485 486 if (from != NULL) 487 /* convert from sockaddr sa_family to osockaddr one here */ 488 mtod(from, struct osockaddr *)->sa_family = 489 mtod(from, struct sockaddr *)->sa_family; 490 491 error = copyout_sockname(NETBSD32PTR64(omsg.msg_name), 492 &omsg.msg_namelen, 0, from); 493 if (from != NULL) 494 m_free(from); 495 496 if (error != 0) 497 error = copyout(&omsg, SCARG_P32(uap, msg), sizeof(omsg)); 498 499 return error; 500 } 501 502 int 503 compat_43_netbsd32_osendmsg(struct lwp* l, void *v, register_t *retval) 504 { 505 struct compat_43_netbsd32_osendmsg_args /* { 506 syscallarg(int) s; 507 syscallarg(netbsd32_caddr_t) msg; 508 syscallarg(int) flags; 509 } */ *uap = v; 510 struct iovec *iov, aiov[UIO_SMALLIOV]; 511 struct netbsd32_omsghdr omsg; 512 struct msghdr msg; 513 int error; 514 struct mbuf *nam; 515 struct osockaddr *osa; 516 struct sockaddr *sa; 517 518 error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); 519 if (error != 0) 520 return (error); 521 522 iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, 523 aiov, __arraycount(aiov)); 524 if (iov == NULL) 525 return EFAULT; 526 527 msg.msg_iovlen = omsg.msg_iovlen; 528 msg.msg_iov = iov; 529 msg.msg_flags = MSG_NAMEMBUF; 530 531 error = sockargs(&nam, NETBSD32PTR64(omsg.msg_name), omsg.msg_namelen, 532 MT_SONAME); 533 if (error != 0) 534 goto out; 535 536 sa = mtod(nam, void *); 537 osa = mtod(nam, void *); 538 sa->sa_family = osa->sa_family; 539 sa->sa_len = omsg.msg_namelen; 540 541 msg.msg_name = nam; 542 msg.msg_namelen = omsg.msg_namelen; 543 error = compat43_set_accrights(&msg, NETBSD32PTR64(omsg.msg_accrights), 544 omsg.msg_accrightslen); 545 if (error != 0) { 546 m_free(nam); 547 goto out; 548 } 549 550 error = do_sys_sendmsg(l, SCARG(uap, s), &msg, SCARG(uap, flags), retval); 551 552 out: 553 if (iov != aiov) 554 free(iov, M_TEMP); 555 return (error); 556 } 557 558 int 559 compat_43_netbsd32_orecvfrom(struct lwp* l, void *v, register_t *retval) 560 { 561 struct compat_43_netbsd32_orecvfrom_args /* { 562 syscallarg(int) s; 563 syscallarg(netbsd32_caddr_t) buf; 564 syscallarg(netbsd32_size_t) len; 565 syscallarg(int) flags; 566 syscallarg(netbsd32_caddr_t) from; 567 syscallarg(netbsd32_intp) fromlenaddr; 568 } */ *uap = v; 569 struct compat_43_sys_recvfrom_args ua; 570 571 NETBSD32TO64_UAP(s); 572 NETBSD32TOP_UAP(buf, void *); 573 NETBSD32TOX_UAP(len, size_t); 574 NETBSD32TO64_UAP(flags); 575 NETBSD32TOP_UAP(from, void *); 576 NETBSD32TOP_UAP(fromlenaddr, int); 577 return (compat_43_sys_recvfrom(l, &ua, retval)); 578 } 579 580 int 581 compat_43_netbsd32_ogetsockname(struct lwp* l, void *v, register_t *retval) 582 { 583 struct compat_43_netbsd32_ogetsockname_args /* { 584 syscallarg(int) fdec; 585 syscallarg(netbsd32_caddr_t) asa; 586 syscallarg(netbsd32_intp) alen; 587 } */ *uap = v; 588 struct compat_43_sys_getsockname_args ua; 589 590 NETBSD32TO64_UAP(fdec); 591 NETBSD32TOP_UAP(asa, void *); 592 NETBSD32TOP_UAP(alen, int *); 593 return (compat_43_sys_getsockname(l, &ua, retval)); 594 } 595 596 int 597 compat_43_netbsd32_ogetpeername(struct lwp* l, void *v, register_t *retval) 598 { 599 struct compat_43_netbsd32_ogetpeername_args /* { 600 syscallarg(int) fdes; 601 syscallarg(netbsd32_caddr_t) asa; 602 syscallarg(netbsd32_intp) alen; 603 } */ *uap = v; 604 struct compat_43_sys_getpeername_args ua; 605 606 NETBSD32TO64_UAP(fdes); 607 NETBSD32TOP_UAP(asa, void *); 608 NETBSD32TOP_UAP(alen, int *); 609 return (compat_43_sys_getpeername(l, &ua, retval)); 610 } 611 612 /* signal syscalls */ 613 int 614 compat_43_netbsd32_osigvec(struct lwp* l, void *v, register_t *retval) 615 { 616 struct compat_43_netbsd32_osigvec_args /* { 617 syscallarg(int) signum; 618 syscallarg(netbsd32_sigvecp_t) nsv; 619 syscallarg(netbsd32_sigvecp_t) osv; 620 } */ *uap = v; 621 struct netbsd32_sigvec sv32; 622 struct sigaction nsa, osa; 623 int error; 624 625 if (SCARG(uap, signum) >= 32) 626 return EINVAL; 627 628 if (SCARG_P32(uap, nsv)) { 629 error = copyin(SCARG_P32(uap, nsv), &sv32, sizeof(sv32)); 630 if (error) 631 return error; 632 nsa.sa_handler = NETBSD32PTR64(sv32.sv_handler); 633 nsa.sa_mask.__bits[0] = sv32.sv_mask; 634 nsa.sa_mask.__bits[1] = 0; 635 nsa.sa_mask.__bits[2] = 0; 636 nsa.sa_mask.__bits[3] = 0; 637 nsa.sa_flags = sv32.sv_flags ^ SA_RESTART; 638 error = sigaction1(l, SCARG(uap, signum), &nsa, &osa, NULL, 0); 639 } else 640 error = sigaction1(l, SCARG(uap, signum), NULL, &osa, NULL, 0); 641 if (error) 642 return error; 643 644 if (SCARG_P32(uap, osv)) { 645 NETBSD32PTR32(sv32.sv_handler, osa.sa_handler); 646 sv32.sv_mask = osa.sa_mask.__bits[0]; 647 sv32.sv_flags = osa.sa_flags ^ SA_RESTART; 648 error = copyout(&sv32, SCARG_P32(uap, osv), sizeof(sv32)); 649 } 650 651 return error; 652 } 653 654 int 655 compat_43_netbsd32_sigblock(struct lwp* l, void *v, register_t *retval) 656 { 657 struct compat_43_netbsd32_sigblock_args /* { 658 syscallarg(int) mask; 659 } */ *uap = v; 660 struct compat_43_sys_sigblock_args ua; 661 662 NETBSD32TO64_UAP(mask); 663 return (compat_43_sys_sigblock(l, &ua, retval)); 664 } 665 666 int 667 compat_43_netbsd32_sigsetmask(struct lwp* l, void *v, register_t *retval) 668 { 669 struct compat_43_netbsd32_sigsetmask_args /* { 670 syscallarg(int) mask; 671 } */ *uap = v; 672 struct compat_43_sys_sigsetmask_args ua; 673 674 NETBSD32TO64_UAP(mask); 675 return (compat_43_sys_sigsetmask(l, &ua, retval)); 676 } 677 678 int 679 compat_43_netbsd32_osigstack(struct lwp* l, void *v, register_t *retval) 680 { 681 struct compat_43_netbsd32_osigstack_args /* { 682 syscallarg(netbsd32_sigstackp_t) nss; 683 syscallarg(netbsd32_sigstackp_t) oss; 684 } */ *uap = v; 685 struct netbsd32_sigstack ss32; 686 struct sigaltstack nsa, osa; 687 int error; 688 689 if (SCARG_P32(uap, nss)) { 690 error = copyin(SCARG_P32(uap, nss), &ss32, sizeof(ss32)); 691 if (error) 692 return error; 693 nsa.ss_sp = NETBSD32PTR64(ss32.ss_sp); 694 nsa.ss_size = SIGSTKSZ; /* Use the recommended size */ 695 nsa.ss_flags = ss32.ss_onstack ? SS_ONSTACK : 0; 696 error = sigaltstack1(l, &nsa, &osa); 697 } else 698 error = sigaltstack1(l, NULL, &osa); 699 if (error) 700 return error; 701 702 if (SCARG_P32(uap, oss)) { 703 NETBSD32PTR32(ss32.ss_sp, osa.ss_sp); 704 ss32.ss_onstack = (osa.ss_flags & SS_ONSTACK) != 0; 705 error = copyout(&ss32, SCARG_P32(uap, oss), sizeof(ss32)); 706 } 707 708 return error; 709 } 710