linux32_socket.c revision 1.26
1 /* $NetBSD: linux32_socket.c,v 1.26 2016/08/01 03:15:30 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 1.26 2016/08/01 03:15:30 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 94 int linux32_getifname(struct lwp *, register_t *, void *); 95 int linux32_getifconf(struct lwp *, register_t *, void *); 96 int linux32_getifhwaddr(struct lwp *, register_t *, u_int, void *); 97 98 int 99 linux32_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 } 116 117 int 118 linux32_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 } 139 140 141 int 142 linux32_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 } 163 164 int 165 linux32_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 } 184 185 186 int 187 linux32_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 } 206 207 int 208 linux32_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 } 223 224 int 225 linux32_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 } 240 241 int 242 linux32_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 } 262 263 int 264 linux32_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 } 279 280 int 281 linux32_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 } 296 297 int 298 linux32_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 } 313 314 int 315 linux32_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 } 330 331 int 332 linux32_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 } 347 348 int 349 linux32_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 } 368 369 int 370 linux32_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 } 389 390 int 391 linux32_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 } 414 415 int 416 linux32_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 sockaddr *sa; 422 struct osockaddr *osa; 423 int space = 0, error; 424 const int sz = (int)sizeof(ifr); 425 bool docopy; 426 int s; 427 int bound; 428 struct psref psref; 429 430 error = copyin(data, &ifc, sizeof(ifc)); 431 if (error) 432 return error; 433 434 docopy = NETBSD32PTR64(ifc.ifc_req) != NULL; 435 if (docopy) { 436 space = ifc.ifc_len; 437 ifrp = NETBSD32PTR64(ifc.ifc_req); 438 } 439 440 bound = curlwp_bind(); 441 s = pserialize_read_enter(); 442 IFNET_READER_FOREACH(ifp) { 443 struct ifaddr *ifa; 444 psref_acquire(&psref, &ifp->if_psref, ifnet_psref_class); 445 446 (void)strncpy(ifr.ifr_name, ifp->if_xname, 447 sizeof(ifr.ifr_name)); 448 if (ifr.ifr_name[sizeof(ifr.ifr_name) - 1] != '\0') { 449 error = ENAMETOOLONG; 450 goto release_exit; 451 } 452 453 IFADDR_READER_FOREACH(ifa, ifp) { 454 struct psref psref_ifa; 455 ifa_acquire(ifa, &psref_ifa); 456 pserialize_read_exit(s); 457 458 sa = ifa->ifa_addr; 459 if (sa->sa_family != AF_INET || 460 sa->sa_len > sizeof(*osa)) 461 goto next; 462 memcpy(&ifr.ifr_addr, sa, sa->sa_len); 463 osa = (struct osockaddr *)&ifr.ifr_addr; 464 osa->sa_family = sa->sa_family; 465 if (space >= sz) { 466 error = copyout(&ifr, ifrp, sz); 467 if (error != 0) { 468 s = pserialize_read_enter(); 469 ifa_release(ifa, &psref_ifa); 470 goto release_exit; 471 } 472 ifrp++; 473 } 474 space -= sz; 475 next: 476 s = pserialize_read_enter(); 477 ifa_release(ifa, &psref_ifa); 478 } 479 480 psref_release(&psref, &ifp->if_psref, ifnet_psref_class); 481 } 482 pserialize_read_exit(s); 483 curlwp_bindx(bound); 484 485 if (docopy) 486 ifc.ifc_len -= space; 487 else 488 ifc.ifc_len = -space; 489 490 return copyout(&ifc, data, sizeof(ifc)); 491 492 release_exit: 493 pserialize_read_exit(s); 494 psref_release(&psref, &ifp->if_psref, ifnet_psref_class); 495 curlwp_bindx(bound); 496 return error; 497 } 498 499 int 500 linux32_getifhwaddr(struct lwp *l, register_t *retval, u_int fd, 501 void *data) 502 { 503 struct linux32_ifreq lreq; 504 file_t *fp; 505 struct ifaddr *ifa; 506 struct ifnet *ifp; 507 struct sockaddr_dl *sadl; 508 int error, found; 509 int index, ifnum; 510 int s; 511 512 /* 513 * We can't emulate this ioctl by calling sys_ioctl() to run 514 * SIOCGIFCONF, because the user buffer is not of the right 515 * type to take those results. We can't use kernel buffers to 516 * receive the results, as the implementation of sys_ioctl() 517 * and ifconf() [which implements SIOCGIFCONF] use 518 * copyin()/copyout() which will fail on kernel addresses. 519 * 520 * So, we must duplicate code from sys_ioctl() and ifconf(). Ugh. 521 */ 522 523 if ((fp = fd_getfile(fd)) == NULL) 524 return (EBADF); 525 526 KERNEL_LOCK(1, NULL); 527 528 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 529 error = EBADF; 530 goto out; 531 } 532 533 error = copyin(data, &lreq, sizeof(lreq)); 534 if (error) 535 goto out; 536 lreq.ifr_name[LINUX32_IFNAMSIZ-1] = '\0'; /* just in case */ 537 538 /* 539 * Try real interface name first, then fake "ethX" 540 */ 541 found = 0; 542 s = pserialize_read_enter(); 543 IFNET_READER_FOREACH(ifp) { 544 if (found) 545 break; 546 if (strcmp(lreq.ifr_name, ifp->if_xname)) 547 /* not this interface */ 548 continue; 549 found=1; 550 if (IFADDR_READER_EMPTY(ifp)) { 551 error = ENODEV; 552 goto out; 553 } 554 IFADDR_READER_FOREACH(ifa, ifp) { 555 sadl = satosdl(ifa->ifa_addr); 556 /* only return ethernet addresses */ 557 /* XXX what about FDDI, etc. ? */ 558 if (sadl->sdl_family != AF_LINK || 559 sadl->sdl_type != IFT_ETHER) 560 continue; 561 memcpy(&lreq.ifr_hwaddr.sa_data, CLLADDR(sadl), 562 MIN(sadl->sdl_alen, 563 sizeof(lreq.ifr_hwaddr.sa_data))); 564 lreq.ifr_hwaddr.sa_family = 565 sadl->sdl_family; 566 pserialize_read_exit(s); 567 568 error = copyout(&lreq, data, sizeof(lreq)); 569 goto out; 570 } 571 } 572 pserialize_read_exit(s); 573 574 if (strncmp(lreq.ifr_name, "eth", 3) == 0) { 575 for (ifnum = 0, index = 3; 576 index < LINUX32_IFNAMSIZ && lreq.ifr_name[index] != '\0'; 577 index++) { 578 ifnum *= 10; 579 ifnum += lreq.ifr_name[index] - '0'; 580 } 581 582 error = EINVAL; /* in case we don't find one */ 583 s = pserialize_read_enter(); 584 IFNET_READER_FOREACH(ifp) { 585 memcpy(lreq.ifr_name, ifp->if_xname, 586 MIN(LINUX32_IFNAMSIZ, IFNAMSIZ)); 587 IFADDR_READER_FOREACH(ifa, ifp) { 588 sadl = satosdl(ifa->ifa_addr); 589 /* only return ethernet addresses */ 590 /* XXX what about FDDI, etc. ? */ 591 if (sadl->sdl_family != AF_LINK || 592 sadl->sdl_type != IFT_ETHER) 593 continue; 594 if (ifnum--) 595 /* not the reqested iface */ 596 continue; 597 memcpy(&lreq.ifr_hwaddr.sa_data, 598 CLLADDR(sadl), 599 MIN(sadl->sdl_alen, 600 sizeof(lreq.ifr_hwaddr.sa_data))); 601 lreq.ifr_hwaddr.sa_family = 602 sadl->sdl_family; 603 pserialize_read_exit(s); 604 605 error = copyout(&lreq, data, sizeof(lreq)); 606 goto out; 607 } 608 } 609 pserialize_read_exit(s); 610 } else { 611 /* unknown interface, not even an "eth*" name */ 612 error = ENODEV; 613 } 614 615 out: 616 KERNEL_UNLOCK_ONE(NULL); 617 fd_putfile(fd); 618 return error; 619 } 620 621 int 622 linux32_ioctl_socket(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval) 623 { 624 /* { 625 syscallarg(int) fd; 626 syscallarg(u_long) com; 627 syscallarg(void *) data; 628 } */ 629 u_long com; 630 int error = 0, isdev = 0, dosys = 1; 631 struct netbsd32_ioctl_args ia; 632 file_t *fp; 633 struct vnode *vp; 634 int (*ioctlf)(file_t *, u_long, void *); 635 struct ioctl_pt pt; 636 637 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 638 return (EBADF); 639 640 if (fp->f_type == DTYPE_VNODE) { 641 vp = (struct vnode *)fp->f_data; 642 isdev = vp->v_type == VCHR; 643 } 644 645 /* 646 * Don't try to interpret socket ioctl calls that are done 647 * on a device filedescriptor, just pass them through, to 648 * emulate Linux behaviour. Use PTIOCLINUX so that the 649 * device will only handle these if it's prepared to do 650 * so, to avoid unexpected things from happening. 651 */ 652 if (isdev) { 653 dosys = 0; 654 ioctlf = fp->f_ops->fo_ioctl; 655 pt.com = SCARG(uap, com); 656 pt.data = (void *)NETBSD32PTR64(SCARG(uap, data)); 657 error = ioctlf(fp, PTIOCLINUX, &pt); 658 /* 659 * XXX hack: if the function returns EJUSTRETURN, 660 * it has stuffed a sysctl return value in pt.data. 661 */ 662 if (error == EJUSTRETURN) { 663 retval[0] = (register_t)pt.data; 664 error = 0; 665 } 666 goto out; 667 } 668 669 com = SCARG(uap, com); 670 retval[0] = 0; 671 672 switch (com) { 673 case LINUX_SIOCGIFNAME: 674 error = linux32_getifname(l, retval, SCARG_P32(uap, data)); 675 dosys = 0; 676 break; 677 case LINUX_SIOCGIFCONF: 678 error = linux32_getifconf(l, retval, SCARG_P32(uap, data)); 679 dosys = 0; 680 break; 681 case LINUX_SIOCGIFFLAGS: 682 SCARG(&ia, com) = OSIOCGIFFLAGS32; 683 break; 684 case LINUX_SIOCSIFFLAGS: 685 SCARG(&ia, com) = OSIOCSIFFLAGS32; 686 break; 687 case LINUX_SIOCGIFADDR: 688 SCARG(&ia, com) = OOSIOCGIFADDR32; 689 break; 690 case LINUX_SIOCGIFDSTADDR: 691 SCARG(&ia, com) = OOSIOCGIFDSTADDR32; 692 break; 693 case LINUX_SIOCGIFBRDADDR: 694 SCARG(&ia, com) = OOSIOCGIFBRDADDR32; 695 break; 696 case LINUX_SIOCGIFNETMASK: 697 SCARG(&ia, com) = OOSIOCGIFNETMASK32; 698 break; 699 case LINUX_SIOCGIFMTU: 700 SCARG(&ia, com) = OSIOCGIFMTU32; 701 break; 702 case LINUX_SIOCADDMULTI: 703 SCARG(&ia, com) = OSIOCADDMULTI32; 704 break; 705 case LINUX_SIOCDELMULTI: 706 SCARG(&ia, com) = OSIOCDELMULTI32; 707 break; 708 case LINUX_SIOCGIFHWADDR: 709 error = linux32_getifhwaddr(l, retval, SCARG(uap, fd), 710 SCARG_P32(uap, data)); 711 dosys = 0; 712 break; 713 default: 714 error = EINVAL; 715 } 716 717 out: 718 fd_putfile(SCARG(uap, fd)); 719 720 if (error == 0 && dosys) { 721 SCARG(&ia, fd) = SCARG(uap, fd); 722 SCARG(&ia, data) = SCARG(uap, data); 723 error = netbsd32_ioctl(curlwp, &ia, retval); 724 } 725 726 return error; 727 } 728
Indexes created Mon Sep 29 18:09:42 GMT 2025