linux32_socket.c revision 1.25
1/* $NetBSD: linux32_socket.c,v 1.25 2016/07/07 09:32:02 ozaki-r Exp $ */ 2 3/*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35 36__KERNEL_RCSID(0, "$NetBSD: linux32_socket.c,v 1.25 2016/07/07 09:32:02 ozaki-r Exp $"); 37 38#include <sys/types.h> 39#include <sys/param.h> 40#include <sys/fstypes.h> 41#include <sys/signal.h> 42#include <sys/dirent.h> 43#include <sys/kernel.h> 44#include <sys/fcntl.h> 45#include <sys/select.h> 46#include <sys/proc.h> 47#include <sys/ucred.h> 48#include <sys/swap.h> 49#include <sys/file.h> 50#include <sys/vnode.h> 51#include <sys/filedesc.h> 52 53#include <machine/types.h> 54 55#include <net/if.h> 56#include <net/if_dl.h> 57#include <net/if_types.h> 58#include <net/route.h> 59 60#include <netinet/in.h> 61#include <netinet/ip_mroute.h> 62 63#include <sys/syscallargs.h> 64 65#include <compat/netbsd32/netbsd32.h> 66#include <compat/netbsd32/netbsd32_ioctl.h> 67#include <compat/netbsd32/netbsd32_conv.h> 68#include <compat/netbsd32/netbsd32_syscallargs.h> 69 70#include <compat/sys/socket.h> 71#include <compat/sys/sockio.h> 72 73#include <compat/linux/common/linux_types.h> 74#include <compat/linux/common/linux_types.h> 75#include <compat/linux/common/linux_signal.h> 76#include <compat/linux/common/linux_machdep.h> 77#include <compat/linux/common/linux_misc.h> 78#include <compat/linux/common/linux_oldolduname.h> 79#include <compat/linux/common/linux_ioctl.h> 80#include <compat/linux/common/linux_sockio.h> 81#include <compat/linux/common/linux_ipc.h> 82#include <compat/linux/common/linux_sem.h> 83#include <compat/linux/linux_syscallargs.h> 84 85#include <compat/linux32/common/linux32_types.h> 86#include <compat/linux32/common/linux32_signal.h> 87#include <compat/linux32/common/linux32_machdep.h> 88#include <compat/linux32/common/linux32_sysctl.h> 89#include <compat/linux32/common/linux32_socketcall.h> 90#include <compat/linux32/common/linux32_sockio.h> 91#include <compat/linux32/common/linux32_ioctl.h> 92#include <compat/linux32/linux32_syscallargs.h> 93 94int linux32_getifname(struct lwp *, register_t *, void *); 95int linux32_getifconf(struct lwp *, register_t *, void *); 96int linux32_getifhwaddr(struct lwp *, register_t *, u_int, void *); 97 98int 99linux32_sys_socketpair(struct lwp *l, const struct linux32_sys_socketpair_args *uap, register_t *retval) 100{ 101 /* { 102 syscallarg(int) domain; 103 syscallarg(int) type; 104 syscallarg(int) protocol; 105 syscallarg(netbsd32_intp) rsv; 106 } */ 107 struct linux_sys_socketpair_args ua; 108 109 NETBSD32TO64_UAP(domain); 110 NETBSD32TO64_UAP(type); 111 NETBSD32TO64_UAP(protocol); 112 NETBSD32TOP_UAP(rsv, int); 113 114 return linux_sys_socketpair(l, &ua, retval); 115} 116 117int 118linux32_sys_sendto(struct lwp *l, const struct linux32_sys_sendto_args *uap, register_t *retval) 119{ 120 /* { 121 syscallarg(int) s; 122 syscallarg(netbsd32_voidp) msg; 123 syscallarg(int) len; 124 syscallarg(int) flags; 125 syscallarg(netbsd32_osockaddrp_t) to; 126 syscallarg(int) tolen; 127 } */ 128 struct linux_sys_sendto_args ua; 129 130 NETBSD32TO64_UAP(s); 131 NETBSD32TOP_UAP(msg, void); 132 NETBSD32TO64_UAP(len); 133 NETBSD32TO64_UAP(flags); 134 NETBSD32TOP_UAP(to, struct osockaddr); 135 NETBSD32TO64_UAP(tolen); 136 137 return linux_sys_sendto(l, &ua, retval); 138} 139 140 141int 142linux32_sys_recvfrom(struct lwp *l, const struct linux32_sys_recvfrom_args *uap, register_t *retval) 143{ 144 /* { 145 syscallarg(int) s; 146 syscallarg(netbsd32_voidp) buf; 147 syscallarg(netbsd32_size_t) len; 148 syscallarg(int) flags; 149 syscallarg(netbsd32_osockaddrp_t) from; 150 syscallarg(netbsd32_intp) fromlenaddr; 151 } */ 152 struct linux_sys_recvfrom_args ua; 153 154 NETBSD32TO64_UAP(s); 155 NETBSD32TOP_UAP(buf, void); 156 NETBSD32TO64_UAP(len); 157 NETBSD32TO64_UAP(flags); 158 NETBSD32TOP_UAP(from, struct osockaddr); 159 NETBSD32TOP_UAP(fromlenaddr, unsigned int); 160 161 return linux_sys_recvfrom(l, &ua, retval); 162} 163 164int 165linux32_sys_setsockopt(struct lwp *l, const struct linux32_sys_setsockopt_args *uap, register_t *retval) 166{ 167 /* { 168 syscallarg(int) s; 169 syscallarg(int) level; 170 syscallarg(int) optname; 171 syscallarg(netbsd32_voidp) optval; 172 syscallarg(int) optlen; 173 } */ 174 struct linux_sys_setsockopt_args ua; 175 176 NETBSD32TO64_UAP(s); 177 NETBSD32TO64_UAP(level); 178 NETBSD32TO64_UAP(optname); 179 NETBSD32TOP_UAP(optval, void); 180 NETBSD32TO64_UAP(optlen); 181 182 return linux_sys_setsockopt(l, &ua, retval); 183} 184 185 186int 187linux32_sys_getsockopt(struct lwp *l, const struct linux32_sys_getsockopt_args *uap, register_t *retval) 188{ 189 /* { 190 syscallarg(int) s; 191 syscallarg(int) level; 192 syscallarg(int) optname; 193 syscallarg(netbsd32_voidp) optval; 194 syscallarg(netbsd32_intp) optlen; 195 } */ 196 struct linux_sys_getsockopt_args ua; 197 198 NETBSD32TO64_UAP(s); 199 NETBSD32TO64_UAP(level); 200 NETBSD32TO64_UAP(optname); 201 NETBSD32TOP_UAP(optval, void); 202 NETBSD32TOP_UAP(optlen, int); 203 204 return linux_sys_getsockopt(l, &ua, retval); 205} 206 207int 208linux32_sys_socket(struct lwp *l, const struct linux32_sys_socket_args *uap, register_t *retval) 209{ 210 /* { 211 syscallarg(int) domain; 212 syscallarg(int) type; 213 syscallarg(int) protocol; 214 } */ 215 struct linux_sys_socket_args ua; 216 217 NETBSD32TO64_UAP(domain); 218 NETBSD32TO64_UAP(type); 219 NETBSD32TO64_UAP(protocol); 220 221 return linux_sys_socket(l, &ua, retval); 222} 223 224int 225linux32_sys_bind(struct lwp *l, const struct linux32_sys_bind_args *uap, register_t *retval) 226{ 227 /* { 228 syscallarg(int) s; 229 syscallarg(netbsd32_osockaddrp_t) name; 230 syscallarg(int) namelen; 231 } */ 232 struct linux_sys_bind_args ua; 233 234 NETBSD32TO64_UAP(s); 235 NETBSD32TOP_UAP(name, struct osockaddr); 236 NETBSD32TO64_UAP(namelen); 237 238 return linux_sys_bind(l, &ua, retval); 239} 240 241int 242linux32_sys_connect(struct lwp *l, const struct linux32_sys_connect_args *uap, register_t *retval) 243{ 244 /* { 245 syscallarg(int) s; 246 syscallarg(netbsd32_osockaddrp_t) name; 247 syscallarg(int) namelen; 248 } */ 249 struct linux_sys_connect_args ua; 250 251 NETBSD32TO64_UAP(s); 252 NETBSD32TOP_UAP(name, struct osockaddr); 253 NETBSD32TO64_UAP(namelen); 254 255#ifdef DEBUG_LINUX 256 printf("linux32_sys_connect: s = %d, name = %p, namelen = %d\n", 257 SCARG(&ua, s), SCARG(&ua, name), SCARG(&ua, namelen)); 258#endif 259 260 return linux_sys_connect(l, &ua, retval); 261} 262 263int 264linux32_sys_accept(struct lwp *l, const struct linux32_sys_accept_args *uap, register_t *retval) 265{ 266 /* { 267 syscallarg(int) s; 268 syscallarg(netbsd32_osockaddrp_t) name; 269 syscallarg(netbsd32_intp) anamelen; 270 } */ 271 struct linux_sys_accept_args ua; 272 273 NETBSD32TO64_UAP(s); 274 NETBSD32TOP_UAP(name, struct osockaddr); 275 NETBSD32TOP_UAP(anamelen, int); 276 277 return linux_sys_accept(l, &ua, retval); 278} 279 280int 281linux32_sys_getpeername(struct lwp *l, const struct linux32_sys_getpeername_args *uap, register_t *retval) 282{ 283 /* { 284 syscallarg(int) fdes; 285 syscallarg(netbsd32_sockaddrp_t) asa; 286 syscallarg(netbsd32_intp) alen; 287 } */ 288 struct linux_sys_getpeername_args ua; 289 290 NETBSD32TO64_UAP(fdes); 291 NETBSD32TOP_UAP(asa, struct sockaddr); 292 NETBSD32TOP_UAP(alen, int); 293 294 return linux_sys_getpeername(l, &ua, retval); 295} 296 297int 298linux32_sys_getsockname(struct lwp *l, const struct linux32_sys_getsockname_args *uap, register_t *retval) 299{ 300 /* { 301 syscallarg(int) fdec; 302 syscallarg(netbsd32_charp) asa; 303 syscallarg(netbsd32_intp) alen; 304 } */ 305 struct linux_sys_getsockname_args ua; 306 307 NETBSD32TO64_UAP(fdec); 308 NETBSD32TOP_UAP(asa, char); 309 NETBSD32TOP_UAP(alen, int); 310 311 return linux_sys_getsockname(l, &ua, retval); 312} 313 314int 315linux32_sys_sendmsg(struct lwp *l, const struct linux32_sys_sendmsg_args *uap, register_t *retval) 316{ 317 /* { 318 syscallarg(int) s; 319 syscallarg(netbsd32_msghdrp_t) msg; 320 syscallarg(int) flags; 321 } */ 322 struct linux_sys_sendmsg_args ua; 323 324 NETBSD32TO64_UAP(s); 325 NETBSD32TOP_UAP(msg, struct msghdr); 326 NETBSD32TO64_UAP(flags); 327 328 return linux_sys_sendmsg(l, &ua, retval); 329} 330 331int 332linux32_sys_recvmsg(struct lwp *l, const struct linux32_sys_recvmsg_args *uap, register_t *retval) 333{ 334 /* { 335 syscallarg(int) s; 336 syscallarg(netbsd32_msghdrp_t) msg; 337 syscallarg(int) flags; 338 } */ 339 struct linux_sys_recvmsg_args ua; 340 341 NETBSD32TO64_UAP(s); 342 NETBSD32TOP_UAP(msg, struct msghdr); 343 NETBSD32TO64_UAP(flags); 344 345 return linux_sys_recvmsg(l, &ua, retval); 346} 347 348int 349linux32_sys_send(struct lwp *l, const struct linux32_sys_send_args *uap, register_t *retval) 350{ 351 /* { 352 syscallarg(int) s; 353 syscallarg(netbsd32_voidp) buf; 354 syscallarg(int) len; 355 syscallarg(int) flags; 356 } */ 357 struct sys_sendto_args ua; 358 359 NETBSD32TO64_UAP(s); 360 NETBSD32TOP_UAP(buf, void); 361 NETBSD32TO64_UAP(len); 362 NETBSD32TO64_UAP(flags); 363 SCARG(&ua, to) = NULL; 364 SCARG(&ua, tolen) = 0; 365 366 return sys_sendto(l, &ua, retval); 367} 368 369int 370linux32_sys_recv(struct lwp *l, const struct linux32_sys_recv_args *uap, register_t *retval) 371{ 372 /* { 373 syscallarg(int) s; 374 syscallarg(netbsd32_voidp) buf; 375 syscallarg(int) len; 376 syscallarg(int) flags; 377 } */ 378 struct sys_recvfrom_args ua; 379 380 NETBSD32TO64_UAP(s); 381 NETBSD32TOP_UAP(buf, void); 382 NETBSD32TO64_UAP(len); 383 NETBSD32TO64_UAP(flags); 384 SCARG(&ua, from) = NULL; 385 SCARG(&ua, fromlenaddr) = NULL; 386 387 return sys_recvfrom(l, &ua, retval); 388} 389 390int 391linux32_getifname(struct lwp *l, register_t *retval, void *data) 392{ 393 struct ifnet *ifp; 394 struct linux32_ifreq ifr; 395 int error; 396 int s; 397 398 error = copyin(data, &ifr, sizeof(ifr)); 399 if (error) 400 return error; 401 402 s = pserialize_read_enter(); 403 ifp = if_byindex(ifr.ifr_ifru.ifru_ifindex); 404 if (ifp == NULL) { 405 pserialize_read_exit(s); 406 return ENODEV; 407 } 408 409 strncpy(ifr.ifr_name, ifp->if_xname, sizeof(ifr.ifr_name)); 410 pserialize_read_exit(s); 411 412 return copyout(&ifr, data, sizeof(ifr)); 413} 414 415int 416linux32_getifconf(struct lwp *l, register_t *retval, void *data) 417{ 418 struct linux32_ifreq ifr, *ifrp = NULL; 419 struct linux32_ifconf ifc; 420 struct ifnet *ifp; 421 struct ifaddr *ifa; 422 struct sockaddr *sa; 423 struct osockaddr *osa; 424 int space = 0, error; 425 const int sz = (int)sizeof(ifr); 426 bool docopy; 427 int s; 428 int bound; 429 struct psref psref; 430 431 error = copyin(data, &ifc, sizeof(ifc)); 432 if (error) 433 return error; 434 435 docopy = NETBSD32PTR64(ifc.ifc_req) != NULL; 436 if (docopy) { 437 space = ifc.ifc_len; 438 ifrp = NETBSD32PTR64(ifc.ifc_req); 439 } 440 441 bound = curlwp_bind(); 442 s = pserialize_read_enter(); 443 IFNET_READER_FOREACH(ifp) { 444 psref_acquire(&psref, &ifp->if_psref, ifnet_psref_class); 445 pserialize_read_exit(s); 446 447 (void)strncpy(ifr.ifr_name, ifp->if_xname, 448 sizeof(ifr.ifr_name)); 449 if (ifr.ifr_name[sizeof(ifr.ifr_name) - 1] != '\0') { 450 error = ENAMETOOLONG; 451 goto release_exit; 452 } 453 454 IFADDR_READER_FOREACH(ifa, ifp) { 455 sa = ifa->ifa_addr; 456 if (sa->sa_family != AF_INET || 457 sa->sa_len > sizeof(*osa)) 458 continue; 459 memcpy(&ifr.ifr_addr, sa, sa->sa_len); 460 osa = (struct osockaddr *)&ifr.ifr_addr; 461 osa->sa_family = sa->sa_family; 462 if (space >= sz) { 463 error = copyout(&ifr, ifrp, sz); 464 if (error != 0) 465 goto release_exit; 466 ifrp++; 467 } 468 space -= sz; 469 } 470 471 s = pserialize_read_enter(); 472 psref_release(&psref, &ifp->if_psref, ifnet_psref_class); 473 } 474 pserialize_read_exit(s); 475 curlwp_bindx(bound); 476 477 if (docopy) 478 ifc.ifc_len -= space; 479 else 480 ifc.ifc_len = -space; 481 482 return copyout(&ifc, data, sizeof(ifc)); 483 484release_exit: 485 psref_release(&psref, &ifp->if_psref, ifnet_psref_class); 486 curlwp_bindx(bound); 487 return error; 488} 489 490int 491linux32_getifhwaddr(struct lwp *l, register_t *retval, u_int fd, 492 void *data) 493{ 494 struct linux32_ifreq lreq; 495 file_t *fp; 496 struct ifaddr *ifa; 497 struct ifnet *ifp; 498 struct sockaddr_dl *sadl; 499 int error, found; 500 int index, ifnum; 501 int s; 502 503 /* 504 * We can't emulate this ioctl by calling sys_ioctl() to run 505 * SIOCGIFCONF, because the user buffer is not of the right 506 * type to take those results. We can't use kernel buffers to 507 * receive the results, as the implementation of sys_ioctl() 508 * and ifconf() [which implements SIOCGIFCONF] use 509 * copyin()/copyout() which will fail on kernel addresses. 510 * 511 * So, we must duplicate code from sys_ioctl() and ifconf(). Ugh. 512 */ 513 514 if ((fp = fd_getfile(fd)) == NULL) 515 return (EBADF); 516 517 KERNEL_LOCK(1, NULL); 518 519 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 520 error = EBADF; 521 goto out; 522 } 523 524 error = copyin(data, &lreq, sizeof(lreq)); 525 if (error) 526 goto out; 527 lreq.ifr_name[LINUX32_IFNAMSIZ-1] = '\0'; /* just in case */ 528 529 /* 530 * Try real interface name first, then fake "ethX" 531 */ 532 found = 0; 533 s = pserialize_read_enter(); 534 IFNET_READER_FOREACH(ifp) { 535 if (found) 536 break; 537 if (strcmp(lreq.ifr_name, ifp->if_xname)) 538 /* not this interface */ 539 continue; 540 found=1; 541 if (IFADDR_READER_EMPTY(ifp)) { 542 error = ENODEV; 543 goto out; 544 } 545 IFADDR_READER_FOREACH(ifa, ifp) { 546 sadl = satosdl(ifa->ifa_addr); 547 /* only return ethernet addresses */ 548 /* XXX what about FDDI, etc. ? */ 549 if (sadl->sdl_family != AF_LINK || 550 sadl->sdl_type != IFT_ETHER) 551 continue; 552 memcpy(&lreq.ifr_hwaddr.sa_data, CLLADDR(sadl), 553 MIN(sadl->sdl_alen, 554 sizeof(lreq.ifr_hwaddr.sa_data))); 555 lreq.ifr_hwaddr.sa_family = 556 sadl->sdl_family; 557 pserialize_read_exit(s); 558 559 error = copyout(&lreq, data, sizeof(lreq)); 560 goto out; 561 } 562 } 563 pserialize_read_exit(s); 564 565 if (strncmp(lreq.ifr_name, "eth", 3) == 0) { 566 for (ifnum = 0, index = 3; 567 index < LINUX32_IFNAMSIZ && lreq.ifr_name[index] != '\0'; 568 index++) { 569 ifnum *= 10; 570 ifnum += lreq.ifr_name[index] - '0'; 571 } 572 573 error = EINVAL; /* in case we don't find one */ 574 s = pserialize_read_enter(); 575 IFNET_READER_FOREACH(ifp) { 576 memcpy(lreq.ifr_name, ifp->if_xname, 577 MIN(LINUX32_IFNAMSIZ, IFNAMSIZ)); 578 IFADDR_READER_FOREACH(ifa, ifp) { 579 sadl = satosdl(ifa->ifa_addr); 580 /* only return ethernet addresses */ 581 /* XXX what about FDDI, etc. ? */ 582 if (sadl->sdl_family != AF_LINK || 583 sadl->sdl_type != IFT_ETHER) 584 continue; 585 if (ifnum--) 586 /* not the reqested iface */ 587 continue; 588 memcpy(&lreq.ifr_hwaddr.sa_data, 589 CLLADDR(sadl), 590 MIN(sadl->sdl_alen, 591 sizeof(lreq.ifr_hwaddr.sa_data))); 592 lreq.ifr_hwaddr.sa_family = 593 sadl->sdl_family; 594 pserialize_read_exit(s); 595 596 error = copyout(&lreq, data, sizeof(lreq)); 597 goto out; 598 } 599 } 600 pserialize_read_exit(s); 601 } else { 602 /* unknown interface, not even an "eth*" name */ 603 error = ENODEV; 604 } 605 606out: 607 KERNEL_UNLOCK_ONE(NULL); 608 fd_putfile(fd); 609 return error; 610} 611 612int 613linux32_ioctl_socket(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval) 614{ 615 /* { 616 syscallarg(int) fd; 617 syscallarg(u_long) com; 618 syscallarg(void *) data; 619 } */ 620 u_long com; 621 int error = 0, isdev = 0, dosys = 1; 622 struct netbsd32_ioctl_args ia; 623 file_t *fp; 624 struct vnode *vp; 625 int (*ioctlf)(file_t *, u_long, void *); 626 struct ioctl_pt pt; 627 628 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 629 return (EBADF); 630 631 if (fp->f_type == DTYPE_VNODE) { 632 vp = (struct vnode *)fp->f_data; 633 isdev = vp->v_type == VCHR; 634 } 635 636 /* 637 * Don't try to interpret socket ioctl calls that are done 638 * on a device filedescriptor, just pass them through, to 639 * emulate Linux behaviour. Use PTIOCLINUX so that the 640 * device will only handle these if it's prepared to do 641 * so, to avoid unexpected things from happening. 642 */ 643 if (isdev) { 644 dosys = 0; 645 ioctlf = fp->f_ops->fo_ioctl; 646 pt.com = SCARG(uap, com); 647 pt.data = (void *)NETBSD32PTR64(SCARG(uap, data)); 648 error = ioctlf(fp, PTIOCLINUX, &pt); 649 /* 650 * XXX hack: if the function returns EJUSTRETURN, 651 * it has stuffed a sysctl return value in pt.data. 652 */ 653 if (error == EJUSTRETURN) { 654 retval[0] = (register_t)pt.data; 655 error = 0; 656 } 657 goto out; 658 } 659 660 com = SCARG(uap, com); 661 retval[0] = 0; 662 663 switch (com) { 664 case LINUX_SIOCGIFNAME: 665 error = linux32_getifname(l, retval, SCARG_P32(uap, data)); 666 dosys = 0; 667 break; 668 case LINUX_SIOCGIFCONF: 669 error = linux32_getifconf(l, retval, SCARG_P32(uap, data)); 670 dosys = 0; 671 break; 672 case LINUX_SIOCGIFFLAGS: 673 SCARG(&ia, com) = OSIOCGIFFLAGS32; 674 break; 675 case LINUX_SIOCSIFFLAGS: 676 SCARG(&ia, com) = OSIOCSIFFLAGS32; 677 break; 678 case LINUX_SIOCGIFADDR: 679 SCARG(&ia, com) = OOSIOCGIFADDR32; 680 break; 681 case LINUX_SIOCGIFDSTADDR: 682 SCARG(&ia, com) = OOSIOCGIFDSTADDR32; 683 break; 684 case LINUX_SIOCGIFBRDADDR: 685 SCARG(&ia, com) = OOSIOCGIFBRDADDR32; 686 break; 687 case LINUX_SIOCGIFNETMASK: 688 SCARG(&ia, com) = OOSIOCGIFNETMASK32; 689 break; 690 case LINUX_SIOCGIFMTU: 691 SCARG(&ia, com) = OSIOCGIFMTU32; 692 break; 693 case LINUX_SIOCADDMULTI: 694 SCARG(&ia, com) = OSIOCADDMULTI32; 695 break; 696 case LINUX_SIOCDELMULTI: 697 SCARG(&ia, com) = OSIOCDELMULTI32; 698 break; 699 case LINUX_SIOCGIFHWADDR: 700 error = linux32_getifhwaddr(l, retval, SCARG(uap, fd), 701 SCARG_P32(uap, data)); 702 dosys = 0; 703 break; 704 default: 705 error = EINVAL; 706 } 707 708 out: 709 fd_putfile(SCARG(uap, fd)); 710 711 if (error == 0 && dosys) { 712 SCARG(&ia, fd) = SCARG(uap, fd); 713 SCARG(&ia, data) = SCARG(uap, data); 714 error = netbsd32_ioctl(curlwp, &ia, retval); 715 } 716 717 return error; 718} 719