Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/netinet6/in6_pcb.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /* $NetBSD: in6_pcb.c,v 1.75 2006/11/16 01:33:45 christos Exp $ */ 2 /* $KAME: in6_pcb.c,v 1.84 2001/02/08 18:02:08 itojun Exp $ */ 3 4 /* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1982, 1986, 1991, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)in_pcb.c 8.2 (Berkeley) 1/4/94 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: in6_pcb.c,v 1.75 2006/11/16 01:33:45 christos Exp $"); 66 67 #include "opt_inet.h" 68 #include "opt_ipsec.h" 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/protosw.h> 75 #include <sys/socket.h> 76 #include <sys/socketvar.h> 77 #include <sys/ioctl.h> 78 #include <sys/errno.h> 79 #include <sys/time.h> 80 #include <sys/proc.h> 81 #include <sys/kauth.h> 82 83 #include <net/if.h> 84 #include <net/route.h> 85 86 #include <netinet/in.h> 87 #include <netinet/in_var.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/ip.h> 90 #include <netinet/in_pcb.h> 91 #include <netinet/ip6.h> 92 #include <netinet6/ip6_var.h> 93 #include <netinet6/in6_pcb.h> 94 #include <netinet6/scope6_var.h> 95 #include <netinet6/nd6.h> 96 97 #include "faith.h" 98 99 #ifdef IPSEC 100 #include <netinet6/ipsec.h> 101 #include <netkey/key.h> 102 #endif /* IPSEC */ 103 104 #ifdef FAST_IPSEC 105 #include <netipsec/ipsec.h> 106 #include <netipsec/ipsec6.h> 107 #include <netipsec/key.h> 108 #endif /* FAST_IPSEC */ 109 110 struct in6_addr zeroin6_addr; 111 112 #define IN6PCBHASH_PORT(table, lport) \ 113 &(table)->inpt_porthashtbl[ntohs(lport) & (table)->inpt_porthash] 114 #define IN6PCBHASH_BIND(table, laddr, lport) \ 115 &(table)->inpt_bindhashtbl[ \ 116 (((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ 117 (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) + ntohs(lport)) & \ 118 (table)->inpt_bindhash] 119 #define IN6PCBHASH_CONNECT(table, faddr, fport, laddr, lport) \ 120 &(table)->inpt_bindhashtbl[ \ 121 ((((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ 122 (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3]) + ntohs(fport)) + \ 123 (((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ 124 (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) + \ 125 ntohs(lport))) & (table)->inpt_bindhash] 126 127 int ip6_anonportmin = IPV6PORT_ANONMIN; 128 int ip6_anonportmax = IPV6PORT_ANONMAX; 129 int ip6_lowportmin = IPV6PORT_RESERVEDMIN; 130 int ip6_lowportmax = IPV6PORT_RESERVEDMAX; 131 132 POOL_INIT(in6pcb_pool, sizeof(struct in6pcb), 0, 0, 0, "in6pcbpl", NULL); 133 134 void 135 in6_pcbinit(table, bindhashsize, connecthashsize) 136 struct inpcbtable *table; 137 int bindhashsize, connecthashsize; 138 { 139 140 in_pcbinit(table, bindhashsize, connecthashsize); 141 table->inpt_lastport = (u_int16_t)ip6_anonportmax; 142 } 143 144 int 145 in6_pcballoc(so, v) 146 struct socket *so; 147 void *v; 148 { 149 struct inpcbtable *table = v; 150 struct in6pcb *in6p; 151 int s; 152 #if defined(IPSEC) || defined(FAST_IPSEC) 153 int error; 154 #endif 155 156 s = splnet(); 157 in6p = pool_get(&in6pcb_pool, PR_NOWAIT); 158 splx(s); 159 if (in6p == NULL) 160 return (ENOBUFS); 161 bzero((caddr_t)in6p, sizeof(*in6p)); 162 in6p->in6p_af = AF_INET6; 163 in6p->in6p_table = table; 164 in6p->in6p_socket = so; 165 in6p->in6p_hops = -1; /* use kernel default */ 166 in6p->in6p_icmp6filt = NULL; 167 #if defined(IPSEC) || defined(FAST_IPSEC) 168 error = ipsec_init_pcbpolicy(so, &in6p->in6p_sp); 169 if (error != 0) { 170 s = splnet(); 171 pool_put(&in6pcb_pool, in6p); 172 splx(s); 173 return error; 174 } 175 #endif /* IPSEC */ 176 s = splnet(); 177 CIRCLEQ_INSERT_HEAD(&table->inpt_queue, (struct inpcb_hdr*)in6p, 178 inph_queue); 179 LIST_INSERT_HEAD(IN6PCBHASH_PORT(table, in6p->in6p_lport), 180 &in6p->in6p_head, inph_lhash); 181 in6_pcbstate(in6p, IN6P_ATTACHED); 182 splx(s); 183 if (ip6_v6only) 184 in6p->in6p_flags |= IN6P_IPV6_V6ONLY; 185 so->so_pcb = (caddr_t)in6p; 186 return (0); 187 } 188 189 int 190 in6_pcbbind(v, nam, l) 191 void *v; 192 struct mbuf *nam; 193 struct lwp *l; 194 { 195 struct in6pcb *in6p = v; 196 struct socket *so = in6p->in6p_socket; 197 struct inpcbtable *table = in6p->in6p_table; 198 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)NULL; 199 u_int16_t lport = 0; 200 int wild = 0, reuseport = (so->so_options & SO_REUSEPORT); 201 202 if (in6p->in6p_af != AF_INET6) 203 return (EINVAL); 204 205 if (in6p->in6p_lport || !IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) 206 return (EINVAL); 207 if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0 && 208 ((so->so_proto->pr_flags & PR_CONNREQUIRED) == 0 || 209 (so->so_options & SO_ACCEPTCONN) == 0)) 210 wild = 1; 211 if (nam) { 212 int error; 213 214 sin6 = mtod(nam, struct sockaddr_in6 *); 215 if (nam->m_len != sizeof(*sin6)) 216 return (EINVAL); 217 /* 218 * We should check the family, but old programs 219 * incorrectly fail to intialize it. 220 */ 221 if (sin6->sin6_family != AF_INET6) 222 return (EAFNOSUPPORT); 223 224 #ifndef INET 225 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) 226 return (EADDRNOTAVAIL); 227 #endif 228 229 if ((error = sa6_embedscope(sin6, ip6_use_defzone)) != 0) 230 return (error); 231 232 lport = sin6->sin6_port; 233 if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) { 234 /* 235 * Treat SO_REUSEADDR as SO_REUSEPORT for multicast; 236 * allow compepte duplication of binding if 237 * SO_REUSEPORT is set, or if SO_REUSEADDR is set 238 * and a multicast address is bound on both 239 * new and duplicated sockets. 240 */ 241 if (so->so_options & SO_REUSEADDR) 242 reuseport = SO_REUSEADDR|SO_REUSEPORT; 243 } else if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 244 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 245 return (EINVAL); 246 if (sin6->sin6_addr.s6_addr32[3]) { 247 struct sockaddr_in sin; 248 249 bzero(&sin, sizeof(sin)); 250 sin.sin_len = sizeof(sin); 251 sin.sin_family = AF_INET; 252 bcopy(&sin6->sin6_addr.s6_addr32[3], 253 &sin.sin_addr, sizeof(sin.sin_addr)); 254 if (ifa_ifwithaddr((struct sockaddr *)&sin) == 0) 255 return EADDRNOTAVAIL; 256 } 257 } else if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 258 struct ifaddr *ia = NULL; 259 260 sin6->sin6_port = 0; /* yech... */ 261 if ((in6p->in6p_flags & IN6P_FAITH) == 0 && 262 (ia = ifa_ifwithaddr((struct sockaddr *)sin6)) == 0) 263 return (EADDRNOTAVAIL); 264 265 /* 266 * bind to an anycast address might accidentally 267 * cause sending a packet with an anycast source 268 * address, so we forbid it. 269 * 270 * We should allow to bind to a deprecated address, 271 * since the application dare to use it. 272 * But, can we assume that they are careful enough 273 * to check if the address is deprecated or not? 274 * Maybe, as a safeguard, we should have a setsockopt 275 * flag to control the bind(2) behavior against 276 * deprecated addresses (default: forbid bind(2)). 277 */ 278 if (ia && 279 ((struct in6_ifaddr *)ia)->ia6_flags & 280 (IN6_IFF_ANYCAST|IN6_IFF_NOTREADY|IN6_IFF_DETACHED)) 281 return (EADDRNOTAVAIL); 282 } 283 if (lport) { 284 #ifndef IPNOPRIVPORTS 285 int priv; 286 287 /* 288 * NOTE: all operating systems use suser() for 289 * privilege check! do not rewrite it into SS_PRIV. 290 */ 291 priv = (l && !kauth_authorize_generic(l->l_cred, 292 KAUTH_GENERIC_ISSUSER, &l->l_acflag)) ? 1 : 0; 293 /* GROSS */ 294 if (ntohs(lport) < IPV6PORT_RESERVED && !priv) 295 return (EACCES); 296 #endif 297 298 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 299 #ifdef INET 300 struct inpcb *t; 301 302 t = in_pcblookup_port(table, 303 *(struct in_addr *)&sin6->sin6_addr.s6_addr32[3], 304 lport, wild); 305 if (t && (reuseport & t->inp_socket->so_options) == 0) 306 return (EADDRINUSE); 307 #else 308 return (EADDRNOTAVAIL); 309 #endif 310 } 311 312 { 313 struct in6pcb *t; 314 315 t = in6_pcblookup_port(table, &sin6->sin6_addr, 316 lport, wild); 317 if (t && (reuseport & t->in6p_socket->so_options) == 0) 318 return (EADDRINUSE); 319 } 320 } 321 in6p->in6p_laddr = sin6->sin6_addr; 322 } 323 324 if (lport == 0) { 325 int e; 326 e = in6_pcbsetport(&in6p->in6p_laddr, in6p, l); 327 if (e != 0) 328 return (e); 329 } else { 330 in6p->in6p_lport = lport; 331 in6_pcbstate(in6p, IN6P_BOUND); 332 } 333 334 LIST_REMOVE(&in6p->in6p_head, inph_lhash); 335 LIST_INSERT_HEAD(IN6PCBHASH_PORT(table, in6p->in6p_lport), 336 &in6p->in6p_head, inph_lhash); 337 338 #if 0 339 in6p->in6p_flowinfo = 0; /* XXX */ 340 #endif 341 return (0); 342 } 343 344 /* 345 * Connect from a socket to a specified address. 346 * Both address and port must be specified in argument sin6. 347 * If don't have a local address for this socket yet, 348 * then pick one. 349 */ 350 int 351 in6_pcbconnect(v, nam, l) 352 void *v; 353 struct mbuf *nam; 354 struct lwp *l; 355 { 356 struct in6pcb *in6p = v; 357 struct in6_addr *in6a = NULL; 358 struct sockaddr_in6 *sin6 = mtod(nam, struct sockaddr_in6 *); 359 struct ifnet *ifp = NULL; /* outgoing interface */ 360 int error = 0; 361 int scope_ambiguous = 0; 362 #ifdef INET 363 struct in6_addr mapped; 364 #endif 365 struct sockaddr_in6 tmp; 366 367 (void)&in6a; /* XXX fool gcc */ 368 369 if (in6p->in6p_af != AF_INET6) 370 return (EINVAL); 371 372 if (nam->m_len != sizeof(*sin6)) 373 return (EINVAL); 374 if (sin6->sin6_family != AF_INET6) 375 return (EAFNOSUPPORT); 376 if (sin6->sin6_port == 0) 377 return (EADDRNOTAVAIL); 378 379 if (sin6->sin6_scope_id == 0 && !ip6_use_defzone) 380 scope_ambiguous = 1; 381 if ((error = sa6_embedscope(sin6, ip6_use_defzone)) != 0) 382 return(error); 383 384 /* sanity check for mapped address case */ 385 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 386 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 387 return EINVAL; 388 if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) 389 in6p->in6p_laddr.s6_addr16[5] = htons(0xffff); 390 if (!IN6_IS_ADDR_V4MAPPED(&in6p->in6p_laddr)) 391 return EINVAL; 392 } else 393 { 394 if (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_laddr)) 395 return EINVAL; 396 } 397 398 /* protect *sin6 from overwrites */ 399 tmp = *sin6; 400 sin6 = &tmp; 401 402 /* Source address selection. */ 403 if (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_laddr) && 404 in6p->in6p_laddr.s6_addr32[3] == 0) { 405 #ifdef INET 406 struct sockaddr_in sin, *sinp; 407 408 bzero(&sin, sizeof(sin)); 409 sin.sin_len = sizeof(sin); 410 sin.sin_family = AF_INET; 411 bcopy(&sin6->sin6_addr.s6_addr32[3], &sin.sin_addr, 412 sizeof(sin.sin_addr)); 413 sinp = in_selectsrc(&sin, (struct route *)&in6p->in6p_route, 414 in6p->in6p_socket->so_options, NULL, &error); 415 if (sinp == 0) { 416 if (error == 0) 417 error = EADDRNOTAVAIL; 418 return (error); 419 } 420 bzero(&mapped, sizeof(mapped)); 421 mapped.s6_addr16[5] = htons(0xffff); 422 bcopy(&sinp->sin_addr, &mapped.s6_addr32[3], sizeof(sinp->sin_addr)); 423 in6a = &mapped; 424 #else 425 return EADDRNOTAVAIL; 426 #endif 427 } else { 428 /* 429 * XXX: in6_selectsrc might replace the bound local address 430 * with the address specified by setsockopt(IPV6_PKTINFO). 431 * Is it the intended behavior? 432 */ 433 in6a = in6_selectsrc(sin6, in6p->in6p_outputopts, 434 in6p->in6p_moptions, 435 &in6p->in6p_route, 436 &in6p->in6p_laddr, &ifp, &error); 437 if (ifp && scope_ambiguous && 438 (error = in6_setscope(&sin6->sin6_addr, ifp, NULL)) != 0) { 439 return(error); 440 } 441 442 if (in6a == 0) { 443 if (error == 0) 444 error = EADDRNOTAVAIL; 445 return (error); 446 } 447 } 448 if (ifp == NULL && in6p->in6p_route.ro_rt) 449 ifp = in6p->in6p_route.ro_rt->rt_ifp; 450 451 in6p->in6p_ip6.ip6_hlim = (u_int8_t)in6_selecthlim(in6p, ifp); 452 453 if (in6_pcblookup_connect(in6p->in6p_table, &sin6->sin6_addr, 454 sin6->sin6_port, 455 IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr) ? in6a : &in6p->in6p_laddr, 456 in6p->in6p_lport, 0)) 457 return (EADDRINUSE); 458 if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr) || 459 (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_laddr) && 460 in6p->in6p_laddr.s6_addr32[3] == 0)) 461 { 462 if (in6p->in6p_lport == 0) { 463 error = in6_pcbbind(in6p, (struct mbuf *)0, l); 464 if (error != 0) 465 return error; 466 } 467 in6p->in6p_laddr = *in6a; 468 } 469 in6p->in6p_faddr = sin6->sin6_addr; 470 in6p->in6p_fport = sin6->sin6_port; 471 in6_pcbstate(in6p, IN6P_CONNECTED); 472 in6p->in6p_flowinfo &= ~IPV6_FLOWLABEL_MASK; 473 if (ip6_auto_flowlabel) 474 in6p->in6p_flowinfo |= 475 (htonl(ip6_randomflowlabel()) & IPV6_FLOWLABEL_MASK); 476 #if defined(IPSEC) || defined(FAST_IPSEC) 477 if (in6p->in6p_socket->so_type == SOCK_STREAM) 478 ipsec_pcbconn(in6p->in6p_sp); 479 #endif 480 return (0); 481 } 482 483 void 484 in6_pcbdisconnect(in6p) 485 struct in6pcb *in6p; 486 { 487 bzero((caddr_t)&in6p->in6p_faddr, sizeof(in6p->in6p_faddr)); 488 in6p->in6p_fport = 0; 489 in6_pcbstate(in6p, IN6P_BOUND); 490 in6p->in6p_flowinfo &= ~IPV6_FLOWLABEL_MASK; 491 #if defined(IPSEC) || defined(FAST_IPSEC) 492 ipsec_pcbdisconn(in6p->in6p_sp); 493 #endif 494 if (in6p->in6p_socket->so_state & SS_NOFDREF) 495 in6_pcbdetach(in6p); 496 } 497 498 void 499 in6_pcbdetach(in6p) 500 struct in6pcb *in6p; 501 { 502 struct socket *so = in6p->in6p_socket; 503 int s; 504 505 if (in6p->in6p_af != AF_INET6) 506 return; 507 508 #if defined(IPSEC) || defined(FAST_IPSEC) 509 ipsec6_delete_pcbpolicy(in6p); 510 #endif /* IPSEC */ 511 so->so_pcb = 0; 512 sofree(so); 513 if (in6p->in6p_options) 514 m_freem(in6p->in6p_options); 515 if (in6p->in6p_outputopts) { 516 if (in6p->in6p_outputopts->ip6po_rthdr && 517 in6p->in6p_outputopts->ip6po_route.ro_rt) 518 RTFREE(in6p->in6p_outputopts->ip6po_route.ro_rt); 519 if (in6p->in6p_outputopts->ip6po_m) 520 (void)m_free(in6p->in6p_outputopts->ip6po_m); 521 free(in6p->in6p_outputopts, M_IP6OPT); 522 } 523 if (in6p->in6p_route.ro_rt) 524 rtfree(in6p->in6p_route.ro_rt); 525 ip6_freemoptions(in6p->in6p_moptions); 526 s = splnet(); 527 in6_pcbstate(in6p, IN6P_ATTACHED); 528 LIST_REMOVE(&in6p->in6p_head, inph_lhash); 529 CIRCLEQ_REMOVE(&in6p->in6p_table->inpt_queue, &in6p->in6p_head, 530 inph_queue); 531 pool_put(&in6pcb_pool, in6p); 532 splx(s); 533 } 534 535 void 536 in6_setsockaddr(in6p, nam) 537 struct in6pcb *in6p; 538 struct mbuf *nam; 539 { 540 struct sockaddr_in6 *sin6; 541 542 if (in6p->in6p_af != AF_INET6) 543 return; 544 545 nam->m_len = sizeof(*sin6); 546 sin6 = mtod(nam, struct sockaddr_in6 *); 547 bzero((caddr_t)sin6, sizeof(*sin6)); 548 sin6->sin6_family = AF_INET6; 549 sin6->sin6_len = sizeof(struct sockaddr_in6); 550 sin6->sin6_port = in6p->in6p_lport; 551 sin6->sin6_addr = in6p->in6p_laddr; 552 (void)sa6_recoverscope(sin6); /* XXX: should catch errors */ 553 } 554 555 void 556 in6_setpeeraddr(in6p, nam) 557 struct in6pcb *in6p; 558 struct mbuf *nam; 559 { 560 struct sockaddr_in6 *sin6; 561 562 if (in6p->in6p_af != AF_INET6) 563 return; 564 565 nam->m_len = sizeof(*sin6); 566 sin6 = mtod(nam, struct sockaddr_in6 *); 567 bzero((caddr_t)sin6, sizeof(*sin6)); 568 sin6->sin6_family = AF_INET6; 569 sin6->sin6_len = sizeof(struct sockaddr_in6); 570 sin6->sin6_port = in6p->in6p_fport; 571 sin6->sin6_addr = in6p->in6p_faddr; 572 (void)sa6_recoverscope(sin6); /* XXX: should catch errors */ 573 } 574 575 /* 576 * Pass some notification to all connections of a protocol 577 * associated with address dst. The local address and/or port numbers 578 * may be specified to limit the search. The "usual action" will be 579 * taken, depending on the ctlinput cmd. The caller must filter any 580 * cmds that are uninteresting (e.g., no error in the map). 581 * Call the protocol specific routine (if any) to report 582 * any errors for each matching socket. 583 * 584 * Must be called at splsoftnet. 585 * 586 * Note: src (4th arg) carries the flowlabel value on the original IPv6 587 * header, in sin6_flowinfo member. 588 */ 589 int 590 in6_pcbnotify(table, dst, fport_arg, src, lport_arg, cmd, cmdarg, notify) 591 struct inpcbtable *table; 592 struct sockaddr *dst; 593 const struct sockaddr *src; 594 u_int fport_arg, lport_arg; 595 int cmd; 596 void *cmdarg; 597 void (*notify) __P((struct in6pcb *, int)); 598 { 599 struct in6pcb *in6p, *nin6p; 600 struct sockaddr_in6 sa6_src, *sa6_dst; 601 u_int16_t fport = fport_arg, lport = lport_arg; 602 int errno; 603 int nmatch = 0; 604 u_int32_t flowinfo; 605 606 if ((unsigned)cmd >= PRC_NCMDS || dst->sa_family != AF_INET6) 607 return 0; 608 609 sa6_dst = (struct sockaddr_in6 *)dst; 610 if (IN6_IS_ADDR_UNSPECIFIED(&sa6_dst->sin6_addr)) 611 return 0; 612 613 /* 614 * note that src can be NULL when we get notify by local fragmentation. 615 */ 616 sa6_src = (src == NULL) ? sa6_any : *(const struct sockaddr_in6 *)src; 617 flowinfo = sa6_src.sin6_flowinfo; 618 619 /* 620 * Redirects go to all references to the destination, 621 * and use in6_rtchange to invalidate the route cache. 622 * Dead host indications: also use in6_rtchange to invalidate 623 * the cache, and deliver the error to all the sockets. 624 * Otherwise, if we have knowledge of the local port and address, 625 * deliver only to that socket. 626 */ 627 if (PRC_IS_REDIRECT(cmd) || cmd == PRC_HOSTDEAD) { 628 fport = 0; 629 lport = 0; 630 bzero((caddr_t)&sa6_src.sin6_addr, sizeof(sa6_src.sin6_addr)); 631 632 if (cmd != PRC_HOSTDEAD) 633 notify = in6_rtchange; 634 } 635 636 errno = inet6ctlerrmap[cmd]; 637 for (in6p = (struct in6pcb *)CIRCLEQ_FIRST(&table->inpt_queue); 638 in6p != (void *)&table->inpt_queue; 639 in6p = nin6p) { 640 nin6p = (struct in6pcb *)CIRCLEQ_NEXT(in6p, in6p_queue); 641 642 if (in6p->in6p_af != AF_INET6) 643 continue; 644 645 /* 646 * Under the following condition, notify of redirects 647 * to the pcb, without making address matches against inpcb. 648 * - redirect notification is arrived. 649 * - the inpcb is unconnected. 650 * - the inpcb is caching !RTF_HOST routing entry. 651 * - the ICMPv6 notification is from the gateway cached in the 652 * inpcb. i.e. ICMPv6 notification is from nexthop gateway 653 * the inpcb used very recently. 654 * 655 * This is to improve interaction between netbsd/openbsd 656 * redirect handling code, and inpcb route cache code. 657 * without the clause, !RTF_HOST routing entry (which carries 658 * gateway used by inpcb right before the ICMPv6 redirect) 659 * will be cached forever in unconnected inpcb. 660 * 661 * There still is a question regarding to what is TRT: 662 * - On bsdi/freebsd, RTF_HOST (cloned) routing entry will be 663 * generated on packet output. inpcb will always cache 664 * RTF_HOST routing entry so there's no need for the clause 665 * (ICMPv6 redirect will update RTF_HOST routing entry, 666 * and inpcb is caching it already). 667 * However, bsdi/freebsd are vulnerable to local DoS attacks 668 * due to the cloned routing entries. 669 * - Specwise, "destination cache" is mentioned in RFC2461. 670 * Jinmei says that it implies bsdi/freebsd behavior, itojun 671 * is not really convinced. 672 * - Having hiwat/lowat on # of cloned host route (redirect/ 673 * pmtud) may be a good idea. netbsd/openbsd has it. see 674 * icmp6_mtudisc_update(). 675 */ 676 if ((PRC_IS_REDIRECT(cmd) || cmd == PRC_HOSTDEAD) && 677 IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr) && 678 in6p->in6p_route.ro_rt && 679 !(in6p->in6p_route.ro_rt->rt_flags & RTF_HOST)) { 680 struct sockaddr_in6 *dst6; 681 682 dst6 = (struct sockaddr_in6 *)&in6p->in6p_route.ro_dst; 683 if (IN6_ARE_ADDR_EQUAL(&dst6->sin6_addr, 684 &sa6_dst->sin6_addr)) 685 goto do_notify; 686 } 687 688 /* 689 * If the error designates a new path MTU for a destination 690 * and the application (associated with this socket) wanted to 691 * know the value, notify. Note that we notify for all 692 * disconnected sockets if the corresponding application 693 * wanted. This is because some UDP applications keep sending 694 * sockets disconnected. 695 * XXX: should we avoid to notify the value to TCP sockets? 696 */ 697 if (cmd == PRC_MSGSIZE && (in6p->in6p_flags & IN6P_MTU) != 0 && 698 (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr) || 699 IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &sa6_dst->sin6_addr))) { 700 ip6_notify_pmtu(in6p, (struct sockaddr_in6 *)dst, 701 (u_int32_t *)cmdarg); 702 } 703 704 /* 705 * Detect if we should notify the error. If no source and 706 * destination ports are specified, but non-zero flowinfo and 707 * local address match, notify the error. This is the case 708 * when the error is delivered with an encrypted buffer 709 * by ESP. Otherwise, just compare addresses and ports 710 * as usual. 711 */ 712 if (lport == 0 && fport == 0 && flowinfo && 713 in6p->in6p_socket != NULL && 714 flowinfo == (in6p->in6p_flowinfo & IPV6_FLOWLABEL_MASK) && 715 IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &sa6_src.sin6_addr)) 716 goto do_notify; 717 else if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, 718 &sa6_dst->sin6_addr) || 719 in6p->in6p_socket == 0 || 720 (lport && in6p->in6p_lport != lport) || 721 (!IN6_IS_ADDR_UNSPECIFIED(&sa6_src.sin6_addr) && 722 !IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, 723 &sa6_src.sin6_addr)) || 724 (fport && in6p->in6p_fport != fport)) 725 continue; 726 727 do_notify: 728 if (notify) 729 (*notify)(in6p, errno); 730 nmatch++; 731 } 732 return nmatch; 733 } 734 735 void 736 in6_pcbpurgeif0(table, ifp) 737 struct inpcbtable *table; 738 struct ifnet *ifp; 739 { 740 struct in6pcb *in6p, *nin6p; 741 struct ip6_moptions *im6o; 742 struct in6_multi_mship *imm, *nimm; 743 744 for (in6p = (struct in6pcb *)CIRCLEQ_FIRST(&table->inpt_queue); 745 in6p != (void *)&table->inpt_queue; 746 in6p = nin6p) { 747 nin6p = (struct in6pcb *)CIRCLEQ_NEXT(in6p, in6p_queue); 748 if (in6p->in6p_af != AF_INET6) 749 continue; 750 751 im6o = in6p->in6p_moptions; 752 if (im6o) { 753 /* 754 * Unselect the outgoing interface if it is being 755 * detached. 756 */ 757 if (im6o->im6o_multicast_ifp == ifp) 758 im6o->im6o_multicast_ifp = NULL; 759 760 /* 761 * Drop multicast group membership if we joined 762 * through the interface being detached. 763 * XXX controversial - is it really legal for kernel 764 * to force this? 765 */ 766 for (imm = im6o->im6o_memberships.lh_first; 767 imm != NULL; imm = nimm) { 768 nimm = imm->i6mm_chain.le_next; 769 if (imm->i6mm_maddr->in6m_ifp == ifp) { 770 LIST_REMOVE(imm, i6mm_chain); 771 in6_leavegroup(imm); 772 } 773 } 774 } 775 } 776 } 777 778 void 779 in6_pcbpurgeif(table, ifp) 780 struct inpcbtable *table; 781 struct ifnet *ifp; 782 { 783 struct in6pcb *in6p, *nin6p; 784 785 for (in6p = (struct in6pcb *)CIRCLEQ_FIRST(&table->inpt_queue); 786 in6p != (void *)&table->inpt_queue; 787 in6p = nin6p) { 788 nin6p = (struct in6pcb *)CIRCLEQ_NEXT(in6p, in6p_queue); 789 if (in6p->in6p_af != AF_INET6) 790 continue; 791 if (in6p->in6p_route.ro_rt != NULL && 792 in6p->in6p_route.ro_rt->rt_ifp == ifp) 793 in6_rtchange(in6p, 0); 794 } 795 } 796 797 /* 798 * Check for alternatives when higher level complains 799 * about service problems. For now, invalidate cached 800 * routing information. If the route was created dynamically 801 * (by a redirect), time to try a default gateway again. 802 */ 803 void 804 in6_losing(in6p) 805 struct in6pcb *in6p; 806 { 807 struct rtentry *rt; 808 struct rt_addrinfo info; 809 810 if (in6p->in6p_af != AF_INET6) 811 return; 812 813 if ((rt = in6p->in6p_route.ro_rt) != NULL) { 814 in6p->in6p_route.ro_rt = 0; 815 bzero((caddr_t)&info, sizeof(info)); 816 info.rti_info[RTAX_DST] = 817 (struct sockaddr *)&in6p->in6p_route.ro_dst; 818 info.rti_info[RTAX_GATEWAY] = rt->rt_gateway; 819 info.rti_info[RTAX_NETMASK] = rt_mask(rt); 820 rt_missmsg(RTM_LOSING, &info, rt->rt_flags, 0); 821 if (rt->rt_flags & RTF_DYNAMIC) { 822 (void)rtrequest(RTM_DELETE, rt_key(rt), 823 rt->rt_gateway, rt_mask(rt), rt->rt_flags, 824 (struct rtentry **)0); 825 } else { 826 /* 827 * A new route can be allocated 828 * the next time output is attempted. 829 */ 830 rtfree(rt); 831 } 832 } 833 } 834 835 /* 836 * After a routing change, flush old routing 837 * and allocate a (hopefully) better one. 838 */ 839 void 840 in6_rtchange(struct in6pcb *in6p, int errno) 841 { 842 if (in6p->in6p_af != AF_INET6) 843 return; 844 845 if (in6p->in6p_route.ro_rt) { 846 rtfree(in6p->in6p_route.ro_rt); 847 in6p->in6p_route.ro_rt = 0; 848 /* 849 * A new route can be allocated the next time 850 * output is attempted. 851 */ 852 } 853 } 854 855 struct in6pcb * 856 in6_pcblookup_port(table, laddr6, lport_arg, lookup_wildcard) 857 struct inpcbtable *table; 858 struct in6_addr *laddr6; 859 u_int lport_arg; 860 int lookup_wildcard; 861 { 862 struct inpcbhead *head; 863 struct inpcb_hdr *inph; 864 struct in6pcb *in6p, *match = 0; 865 int matchwild = 3, wildcard; 866 u_int16_t lport = lport_arg; 867 868 head = IN6PCBHASH_PORT(table, lport); 869 LIST_FOREACH(inph, head, inph_lhash) { 870 in6p = (struct in6pcb *)inph; 871 if (in6p->in6p_af != AF_INET6) 872 continue; 873 874 if (in6p->in6p_lport != lport) 875 continue; 876 wildcard = 0; 877 if (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_faddr)) { 878 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 879 continue; 880 } 881 if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) 882 wildcard++; 883 if (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_laddr)) { 884 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 885 continue; 886 if (!IN6_IS_ADDR_V4MAPPED(laddr6)) 887 continue; 888 889 /* duplicate of IPv4 logic */ 890 wildcard = 0; 891 if (IN6_IS_ADDR_V4MAPPED(&in6p->in6p_faddr) && 892 in6p->in6p_faddr.s6_addr32[3]) 893 wildcard++; 894 if (!in6p->in6p_laddr.s6_addr32[3]) { 895 if (laddr6->s6_addr32[3]) 896 wildcard++; 897 } else { 898 if (!laddr6->s6_addr32[3]) 899 wildcard++; 900 else { 901 if (in6p->in6p_laddr.s6_addr32[3] != 902 laddr6->s6_addr32[3]) 903 continue; 904 } 905 } 906 } else if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) { 907 if (IN6_IS_ADDR_V4MAPPED(laddr6)) { 908 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 909 continue; 910 } 911 if (!IN6_IS_ADDR_UNSPECIFIED(laddr6)) 912 wildcard++; 913 } else { 914 if (IN6_IS_ADDR_V4MAPPED(laddr6)) { 915 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 916 continue; 917 } 918 if (IN6_IS_ADDR_UNSPECIFIED(laddr6)) 919 wildcard++; 920 else { 921 if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, 922 laddr6)) 923 continue; 924 } 925 } 926 if (wildcard && !lookup_wildcard) 927 continue; 928 if (wildcard < matchwild) { 929 match = in6p; 930 matchwild = wildcard; 931 if (matchwild == 0) 932 break; 933 } 934 } 935 return (match); 936 } 937 #undef continue 938 939 /* 940 * WARNING: return value (rtentry) could be IPv4 one if in6pcb is connected to 941 * IPv4 mapped address. 942 */ 943 struct rtentry * 944 in6_pcbrtentry(in6p) 945 struct in6pcb *in6p; 946 { 947 struct route_in6 *ro; 948 struct sockaddr_in6 *dst6; 949 950 ro = &in6p->in6p_route; 951 dst6 = (struct sockaddr_in6 *)&ro->ro_dst; 952 953 if (in6p->in6p_af != AF_INET6) 954 return (NULL); 955 956 if (ro->ro_rt && ((ro->ro_rt->rt_flags & RTF_UP) == 0 || 957 !IN6_ARE_ADDR_EQUAL(&dst6->sin6_addr, &in6p->in6p_faddr))) { 958 RTFREE(ro->ro_rt); 959 ro->ro_rt = (struct rtentry *)NULL; 960 } 961 #ifdef INET 962 if (ro->ro_rt == (struct rtentry *)NULL && 963 IN6_IS_ADDR_V4MAPPED(&in6p->in6p_faddr)) { 964 struct sockaddr_in *dst = (struct sockaddr_in *)&ro->ro_dst; 965 966 bzero(dst, sizeof(*dst)); 967 dst->sin_family = AF_INET; 968 dst->sin_len = sizeof(struct sockaddr_in); 969 bcopy(&in6p->in6p_faddr.s6_addr32[3], &dst->sin_addr, 970 sizeof(dst->sin_addr)); 971 rtalloc((struct route *)ro); 972 } else 973 #endif 974 if (ro->ro_rt == (struct rtentry *)NULL && 975 !IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) { 976 bzero(dst6, sizeof(*dst6)); 977 dst6->sin6_family = AF_INET6; 978 dst6->sin6_len = sizeof(struct sockaddr_in6); 979 dst6->sin6_addr = in6p->in6p_faddr; 980 rtalloc((struct route *)ro); 981 } 982 return (ro->ro_rt); 983 } 984 985 struct in6pcb * 986 in6_pcblookup_connect(struct inpcbtable *table, struct in6_addr *faddr6, 987 u_int fport_arg, const struct in6_addr *laddr6, u_int lport_arg, 988 int faith) 989 { 990 struct inpcbhead *head; 991 struct inpcb_hdr *inph; 992 struct in6pcb *in6p; 993 u_int16_t fport = fport_arg, lport = lport_arg; 994 995 head = IN6PCBHASH_CONNECT(table, faddr6, fport, laddr6, lport); 996 LIST_FOREACH(inph, head, inph_hash) { 997 in6p = (struct in6pcb *)inph; 998 if (in6p->in6p_af != AF_INET6) 999 continue; 1000 1001 /* find exact match on both source and dest */ 1002 if (in6p->in6p_fport != fport) 1003 continue; 1004 if (in6p->in6p_lport != lport) 1005 continue; 1006 if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) 1007 continue; 1008 if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, faddr6)) 1009 continue; 1010 if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) 1011 continue; 1012 if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, laddr6)) 1013 continue; 1014 if ((IN6_IS_ADDR_V4MAPPED(laddr6) || 1015 IN6_IS_ADDR_V4MAPPED(faddr6)) && 1016 (in6p->in6p_flags & IN6P_IPV6_V6ONLY)) 1017 continue; 1018 return in6p; 1019 } 1020 return NULL; 1021 } 1022 1023 struct in6pcb * 1024 in6_pcblookup_bind(table, laddr6, lport_arg, faith) 1025 struct inpcbtable *table; 1026 struct in6_addr *laddr6; 1027 u_int lport_arg; 1028 int faith; 1029 { 1030 struct inpcbhead *head; 1031 struct inpcb_hdr *inph; 1032 struct in6pcb *in6p; 1033 u_int16_t lport = lport_arg; 1034 #ifdef INET 1035 struct in6_addr zero_mapped; 1036 #endif 1037 1038 head = IN6PCBHASH_BIND(table, laddr6, lport); 1039 LIST_FOREACH(inph, head, inph_hash) { 1040 in6p = (struct in6pcb *)inph; 1041 if (in6p->in6p_af != AF_INET6) 1042 continue; 1043 1044 if (faith && (in6p->in6p_flags & IN6P_FAITH) == 0) 1045 continue; 1046 if (in6p->in6p_fport != 0) 1047 continue; 1048 if (in6p->in6p_lport != lport) 1049 continue; 1050 if (IN6_IS_ADDR_V4MAPPED(laddr6) && 1051 (in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 1052 continue; 1053 if (IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, laddr6)) 1054 goto out; 1055 } 1056 #ifdef INET 1057 if (IN6_IS_ADDR_V4MAPPED(laddr6)) { 1058 memset(&zero_mapped, 0, sizeof(zero_mapped)); 1059 zero_mapped.s6_addr16[5] = 0xffff; 1060 head = IN6PCBHASH_BIND(table, &zero_mapped, lport); 1061 LIST_FOREACH(inph, head, inph_hash) { 1062 in6p = (struct in6pcb *)inph; 1063 if (in6p->in6p_af != AF_INET6) 1064 continue; 1065 1066 if (faith && (in6p->in6p_flags & IN6P_FAITH) == 0) 1067 continue; 1068 if (in6p->in6p_fport != 0) 1069 continue; 1070 if (in6p->in6p_lport != lport) 1071 continue; 1072 if ((in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 1073 continue; 1074 if (IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &zero_mapped)) 1075 goto out; 1076 } 1077 } 1078 #endif 1079 head = IN6PCBHASH_BIND(table, &zeroin6_addr, lport); 1080 LIST_FOREACH(inph, head, inph_hash) { 1081 in6p = (struct in6pcb *)inph; 1082 if (in6p->in6p_af != AF_INET6) 1083 continue; 1084 1085 if (faith && (in6p->in6p_flags & IN6P_FAITH) == 0) 1086 continue; 1087 if (in6p->in6p_fport != 0) 1088 continue; 1089 if (in6p->in6p_lport != lport) 1090 continue; 1091 if (IN6_IS_ADDR_V4MAPPED(laddr6) && 1092 (in6p->in6p_flags & IN6P_IPV6_V6ONLY) != 0) 1093 continue; 1094 if (IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &zeroin6_addr)) 1095 goto out; 1096 } 1097 return (NULL); 1098 1099 out: 1100 inph = &in6p->in6p_head; 1101 if (inph != LIST_FIRST(head)) { 1102 LIST_REMOVE(inph, inph_hash); 1103 LIST_INSERT_HEAD(head, inph, inph_hash); 1104 } 1105 return in6p; 1106 } 1107 1108 void 1109 in6_pcbstate(in6p, state) 1110 struct in6pcb *in6p; 1111 int state; 1112 { 1113 1114 if (in6p->in6p_af != AF_INET6) 1115 return; 1116 1117 if (in6p->in6p_state > IN6P_ATTACHED) 1118 LIST_REMOVE(&in6p->in6p_head, inph_hash); 1119 1120 switch (state) { 1121 case IN6P_BOUND: 1122 LIST_INSERT_HEAD(IN6PCBHASH_BIND(in6p->in6p_table, 1123 &in6p->in6p_laddr, in6p->in6p_lport), &in6p->in6p_head, 1124 inph_hash); 1125 break; 1126 case IN6P_CONNECTED: 1127 LIST_INSERT_HEAD(IN6PCBHASH_CONNECT(in6p->in6p_table, 1128 &in6p->in6p_faddr, in6p->in6p_fport, 1129 &in6p->in6p_laddr, in6p->in6p_lport), &in6p->in6p_head, 1130 inph_hash); 1131 break; 1132 } 1133 1134 in6p->in6p_state = state; 1135 }
Cache object: 90ca106f275e75ca1a5d48fb84401eda
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]