udp6_usrreq.c revision 1.2.2.2
1 1.2.2.2 thorpej /* 2 1.2.2.2 thorpej * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 1.2.2.2 thorpej * All rights reserved. 4 1.2.2.2 thorpej * 5 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 6 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 7 1.2.2.2 thorpej * are met: 8 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 9 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 10 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 11 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 12 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 13 1.2.2.2 thorpej * 3. Neither the name of the project nor the names of its contributors 14 1.2.2.2 thorpej * may be used to endorse or promote products derived from this software 15 1.2.2.2 thorpej * without specific prior written permission. 16 1.2.2.2 thorpej * 17 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 1.2.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 1.2.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 1.2.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 1.2.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.2.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 1.2.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.2.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.2.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.2.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.2.2.2 thorpej * SUCH DAMAGE. 28 1.2.2.2 thorpej */ 29 1.2.2.2 thorpej 30 1.2.2.2 thorpej /* 31 1.2.2.2 thorpej * Copyright (c) 1982, 1986, 1989, 1993 32 1.2.2.2 thorpej * The Regents of the University of California. All rights reserved. 33 1.2.2.2 thorpej * 34 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 35 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 36 1.2.2.2 thorpej * are met: 37 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 38 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 39 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 40 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 41 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 42 1.2.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 43 1.2.2.2 thorpej * must display the following acknowledgement: 44 1.2.2.2 thorpej * This product includes software developed by the University of 45 1.2.2.2 thorpej * California, Berkeley and its contributors. 46 1.2.2.2 thorpej * 4. Neither the name of the University nor the names of its contributors 47 1.2.2.2 thorpej * may be used to endorse or promote products derived from this software 48 1.2.2.2 thorpej * without specific prior written permission. 49 1.2.2.2 thorpej * 50 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 1.2.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 1.2.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 1.2.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 1.2.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 1.2.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 1.2.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 1.2.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 1.2.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 1.2.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 1.2.2.2 thorpej * SUCH DAMAGE. 61 1.2.2.2 thorpej * 62 1.2.2.2 thorpej * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 63 1.2.2.2 thorpej */ 64 1.2.2.2 thorpej 65 1.2.2.2 thorpej #include <sys/param.h> 66 1.2.2.2 thorpej #include <sys/malloc.h> 67 1.2.2.2 thorpej #include <sys/mbuf.h> 68 1.2.2.2 thorpej #include <sys/protosw.h> 69 1.2.2.2 thorpej #include <sys/socket.h> 70 1.2.2.2 thorpej #include <sys/socketvar.h> 71 1.2.2.2 thorpej #include <sys/errno.h> 72 1.2.2.2 thorpej #include <sys/stat.h> 73 1.2.2.2 thorpej #include <sys/systm.h> 74 1.2.2.2 thorpej #ifdef __NetBSD__ 75 1.2.2.2 thorpej #include <sys/proc.h> 76 1.2.2.2 thorpej #endif 77 1.2.2.2 thorpej 78 1.2.2.2 thorpej #include <net/if.h> 79 1.2.2.2 thorpej #include <net/route.h> 80 1.2.2.2 thorpej #include <net/if_types.h> 81 1.2.2.2 thorpej 82 1.2.2.2 thorpej #include <netinet/in.h> 83 1.2.2.2 thorpej #include <netinet/in_var.h> 84 1.2.2.2 thorpej #include <netinet6/in6_systm.h> 85 1.2.2.2 thorpej #include <netinet6/ip6.h> 86 1.2.2.2 thorpej #include <netinet6/in6_pcb.h> 87 1.2.2.2 thorpej #include <netinet6/ip6_var.h> 88 1.2.2.2 thorpej #include <netinet6/icmp6.h> 89 1.2.2.2 thorpej #include <netinet6/udp6.h> 90 1.2.2.2 thorpej #include <netinet6/udp6_var.h> 91 1.2.2.2 thorpej 92 1.2.2.2 thorpej #ifdef IPSEC 93 1.2.2.2 thorpej #include <netinet6/ipsec.h> 94 1.2.2.2 thorpej #endif /*IPSEC*/ 95 1.2.2.2 thorpej 96 1.2.2.2 thorpej #include "faith.h" 97 1.2.2.2 thorpej 98 1.2.2.2 thorpej /* 99 1.2.2.2 thorpej * UDP protocol inplementation. 100 1.2.2.2 thorpej * Per RFC 768, August, 1980. 101 1.2.2.2 thorpej */ 102 1.2.2.2 thorpej 103 1.2.2.2 thorpej struct in6pcb *udp6_last_in6pcb = &udb6; 104 1.2.2.2 thorpej 105 1.2.2.2 thorpej static int in6_mcmatch __P((struct in6pcb *, struct in6_addr *, struct ifnet *)); 106 1.2.2.2 thorpej static void udp6_detach __P((struct in6pcb *)); 107 1.2.2.2 thorpej static void udp6_notify __P((struct in6pcb *, int)); 108 1.2.2.2 thorpej 109 1.2.2.2 thorpej void 110 1.2.2.2 thorpej udp6_init() 111 1.2.2.2 thorpej { 112 1.2.2.2 thorpej udb6.in6p_next = udb6.in6p_prev = &udb6; 113 1.2.2.2 thorpej } 114 1.2.2.2 thorpej 115 1.2.2.2 thorpej static int 116 1.2.2.2 thorpej in6_mcmatch(in6p, ia6, ifp) 117 1.2.2.2 thorpej struct in6pcb *in6p; 118 1.2.2.2 thorpej register struct in6_addr *ia6; 119 1.2.2.2 thorpej struct ifnet *ifp; 120 1.2.2.2 thorpej { 121 1.2.2.2 thorpej struct ip6_moptions *im6o = in6p->in6p_moptions; 122 1.2.2.2 thorpej struct in6_multi_mship *imm; 123 1.2.2.2 thorpej 124 1.2.2.2 thorpej if (im6o == NULL) 125 1.2.2.2 thorpej return 0; 126 1.2.2.2 thorpej 127 1.2.2.2 thorpej for (imm = im6o->im6o_memberships.lh_first; imm != NULL; 128 1.2.2.2 thorpej imm = imm->i6mm_chain.le_next) { 129 1.2.2.2 thorpej if ((ifp == NULL || 130 1.2.2.2 thorpej imm->i6mm_maddr->in6m_ifp == ifp) && 131 1.2.2.2 thorpej IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, 132 1.2.2.2 thorpej ia6)) 133 1.2.2.2 thorpej return 1; 134 1.2.2.2 thorpej } 135 1.2.2.2 thorpej return 0; 136 1.2.2.2 thorpej } 137 1.2.2.2 thorpej 138 1.2.2.2 thorpej int 139 1.2.2.2 thorpej udp6_input(mp, offp, proto) 140 1.2.2.2 thorpej struct mbuf **mp; 141 1.2.2.2 thorpej int *offp, proto; 142 1.2.2.2 thorpej { 143 1.2.2.2 thorpej struct mbuf *m = *mp; 144 1.2.2.2 thorpej register struct ip6_hdr *ip6; 145 1.2.2.2 thorpej register struct udphdr *uh; 146 1.2.2.2 thorpej register struct in6pcb *in6p; 147 1.2.2.2 thorpej struct mbuf *opts = 0; 148 1.2.2.2 thorpej int off = *offp; 149 1.2.2.2 thorpej int plen, ulen; 150 1.2.2.2 thorpej struct sockaddr_in6 udp_in6; 151 1.2.2.2 thorpej 152 1.2.2.2 thorpej #if defined(NFAITH) && 0 < NFAITH 153 1.2.2.2 thorpej if (m->m_pkthdr.rcvif) { 154 1.2.2.2 thorpej if (m->m_pkthdr.rcvif->if_type == IFT_FAITH) { 155 1.2.2.2 thorpej /* send icmp6 host unreach? */ 156 1.2.2.2 thorpej m_freem(m); 157 1.2.2.2 thorpej return IPPROTO_DONE; 158 1.2.2.2 thorpej } 159 1.2.2.2 thorpej } 160 1.2.2.2 thorpej #endif 161 1.2.2.2 thorpej udp6stat.udp6s_ipackets++; 162 1.2.2.2 thorpej 163 1.2.2.2 thorpej IP6_EXTHDR_CHECK(m, off, sizeof(struct udphdr), IPPROTO_DONE); 164 1.2.2.2 thorpej 165 1.2.2.2 thorpej ip6 = mtod(m, struct ip6_hdr *); 166 1.2.2.2 thorpej plen = ntohs(ip6->ip6_plen) - off + sizeof(*ip6); 167 1.2.2.2 thorpej uh = (struct udphdr *)((caddr_t)ip6 + off); 168 1.2.2.2 thorpej ulen = ntohs((u_short)uh->uh_ulen); 169 1.2.2.2 thorpej 170 1.2.2.2 thorpej if (plen != ulen) { 171 1.2.2.2 thorpej udp6stat.udp6s_badlen++; 172 1.2.2.2 thorpej goto bad; 173 1.2.2.2 thorpej } 174 1.2.2.2 thorpej 175 1.2.2.2 thorpej /* 176 1.2.2.2 thorpej * Checksum extended UDP header and data. 177 1.2.2.2 thorpej */ 178 1.2.2.2 thorpej if (uh->uh_sum == 0) 179 1.2.2.2 thorpej udp6stat.udp6s_nosum++; 180 1.2.2.2 thorpej else if (in6_cksum(m, IPPROTO_UDP, off, ulen) != 0) { 181 1.2.2.2 thorpej udp6stat.udp6s_badsum++; 182 1.2.2.2 thorpej goto bad; 183 1.2.2.2 thorpej } 184 1.2.2.2 thorpej 185 1.2.2.2 thorpej if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { 186 1.2.2.2 thorpej struct in6pcb *last; 187 1.2.2.2 thorpej 188 1.2.2.2 thorpej /* 189 1.2.2.2 thorpej * Deliver a multicast datagram to all sockets 190 1.2.2.2 thorpej * for which the local and remote addresses and ports match 191 1.2.2.2 thorpej * those of the incoming datagram. This allows more than 192 1.2.2.2 thorpej * one process to receive multicasts on the same port. 193 1.2.2.2 thorpej * (This really ought to be done for unicast datagrams as 194 1.2.2.2 thorpej * well, but that would cause problems with existing 195 1.2.2.2 thorpej * applications that open both address-specific sockets and 196 1.2.2.2 thorpej * a wildcard socket listening to the same port -- they would 197 1.2.2.2 thorpej * end up receiving duplicates of every unicast datagram. 198 1.2.2.2 thorpej * Those applications open the multiple sockets to overcome an 199 1.2.2.2 thorpej * inadequacy of the UDP socket interface, but for backwards 200 1.2.2.2 thorpej * compatibility we avoid the problem here rather than 201 1.2.2.2 thorpej * fixing the interface. Maybe 4.5BSD will remedy this?) 202 1.2.2.2 thorpej */ 203 1.2.2.2 thorpej 204 1.2.2.2 thorpej /* 205 1.2.2.2 thorpej * In a case that laddr should be set to the link-local 206 1.2.2.2 thorpej * address (this happens in RIPng), the multicast address 207 1.2.2.2 thorpej * specified in the received packet does not match with 208 1.2.2.2 thorpej * laddr. To cure this situation, the matching is relaxed 209 1.2.2.2 thorpej * if the receiving interface is the same as one specified 210 1.2.2.2 thorpej * in the socket and if the destination multicast address 211 1.2.2.2 thorpej * matches one of the multicast groups specified in the socket. 212 1.2.2.2 thorpej */ 213 1.2.2.2 thorpej 214 1.2.2.2 thorpej /* 215 1.2.2.2 thorpej * Construct sockaddr format source address. 216 1.2.2.2 thorpej */ 217 1.2.2.2 thorpej bzero(&udp_in6, sizeof(udp_in6)); 218 1.2.2.2 thorpej udp_in6.sin6_len = sizeof(struct sockaddr_in6); 219 1.2.2.2 thorpej udp_in6.sin6_family = AF_INET6; 220 1.2.2.2 thorpej udp_in6.sin6_port = uh->uh_sport; 221 1.2.2.2 thorpej udp_in6.sin6_addr = ip6->ip6_src; 222 1.2.2.2 thorpej if (IN6_IS_SCOPE_LINKLOCAL(&udp_in6.sin6_addr)) 223 1.2.2.2 thorpej udp_in6.sin6_addr.s6_addr16[1] = 0; 224 1.2.2.2 thorpej if (m->m_pkthdr.rcvif) { 225 1.2.2.2 thorpej if (IN6_IS_SCOPE_LINKLOCAL(&udp_in6.sin6_addr)) { 226 1.2.2.2 thorpej udp_in6.sin6_scope_id = 227 1.2.2.2 thorpej m->m_pkthdr.rcvif->if_index; 228 1.2.2.2 thorpej } else 229 1.2.2.2 thorpej udp_in6.sin6_scope_id = 0; 230 1.2.2.2 thorpej } else 231 1.2.2.2 thorpej udp_in6.sin6_scope_id = 0; 232 1.2.2.2 thorpej /* 233 1.2.2.2 thorpej * KAME note: usually we drop udphdr from mbuf here. 234 1.2.2.2 thorpej * We need udphdr for IPsec processing so we do that later. 235 1.2.2.2 thorpej */ 236 1.2.2.2 thorpej 237 1.2.2.2 thorpej /* 238 1.2.2.2 thorpej * Locate pcb(s) for datagram. 239 1.2.2.2 thorpej * (Algorithm copied from raw_intr().) 240 1.2.2.2 thorpej */ 241 1.2.2.2 thorpej last = NULL; 242 1.2.2.2 thorpej for (in6p = udb6.in6p_next; 243 1.2.2.2 thorpej in6p != &udb6; 244 1.2.2.2 thorpej in6p = in6p->in6p_next) { 245 1.2.2.2 thorpej if (in6p->in6p_lport != uh->uh_dport) 246 1.2.2.2 thorpej continue; 247 1.2.2.2 thorpej if (!IN6_IS_ADDR_ANY(&in6p->in6p_laddr)) { 248 1.2.2.2 thorpej if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, 249 1.2.2.2 thorpej &ip6->ip6_dst) && 250 1.2.2.2 thorpej !in6_mcmatch(in6p, &ip6->ip6_dst, 251 1.2.2.2 thorpej m->m_pkthdr.rcvif)) 252 1.2.2.2 thorpej continue; 253 1.2.2.2 thorpej } 254 1.2.2.2 thorpej if (!IN6_IS_ADDR_ANY(&in6p->in6p_faddr)) { 255 1.2.2.2 thorpej if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, 256 1.2.2.2 thorpej &ip6->ip6_src) || 257 1.2.2.2 thorpej in6p->in6p_fport != uh->uh_sport) 258 1.2.2.2 thorpej continue; 259 1.2.2.2 thorpej } 260 1.2.2.2 thorpej 261 1.2.2.2 thorpej if (last != NULL) { 262 1.2.2.2 thorpej struct mbuf *n; 263 1.2.2.2 thorpej 264 1.2.2.2 thorpej #ifdef IPSEC 265 1.2.2.2 thorpej /* 266 1.2.2.2 thorpej * Check AH/ESP integrity. 267 1.2.2.2 thorpej */ 268 1.2.2.2 thorpej if (last != NULL && ipsec6_in_reject(m, last)) { 269 1.2.2.2 thorpej ipsec6stat.in_polvio++; 270 1.2.2.2 thorpej /* do not inject data into pcb */ 271 1.2.2.2 thorpej } else 272 1.2.2.2 thorpej #endif /*IPSEC*/ 273 1.2.2.2 thorpej if ((n = m_copy(m, 0, M_COPYALL)) != NULL) { 274 1.2.2.2 thorpej /* 275 1.2.2.2 thorpej * KAME NOTE: do not 276 1.2.2.2 thorpej * m_copy(m, offset, ...) above. 277 1.2.2.2 thorpej * sbappendaddr() expects M_PKTHDR, 278 1.2.2.2 thorpej * and m_copy() will copy M_PKTHDR 279 1.2.2.2 thorpej * only if offset is 0. 280 1.2.2.2 thorpej */ 281 1.2.2.2 thorpej if (last->in6p_flags & IN6P_CONTROLOPTS) { 282 1.2.2.2 thorpej ip6_savecontrol(last, &opts, 283 1.2.2.2 thorpej ip6, n); 284 1.2.2.2 thorpej } 285 1.2.2.2 thorpej 286 1.2.2.2 thorpej m_adj(m, off + sizeof(struct udphdr)); 287 1.2.2.2 thorpej if (sbappendaddr(&last->in6p_socket->so_rcv, 288 1.2.2.2 thorpej (struct sockaddr *)&udp_in6, 289 1.2.2.2 thorpej n, opts) == 0) { 290 1.2.2.2 thorpej m_freem(n); 291 1.2.2.2 thorpej if (opts) 292 1.2.2.2 thorpej m_freem(opts); 293 1.2.2.2 thorpej udp6stat.udp6s_fullsock++; 294 1.2.2.2 thorpej } else 295 1.2.2.2 thorpej sorwakeup(last->in6p_socket); 296 1.2.2.2 thorpej opts = 0; 297 1.2.2.2 thorpej } 298 1.2.2.2 thorpej } 299 1.2.2.2 thorpej last = in6p; 300 1.2.2.2 thorpej /* 301 1.2.2.2 thorpej * Don't look for additional matches if this one does 302 1.2.2.2 thorpej * not have either the SO_REUSEPORT or SO_REUSEADDR 303 1.2.2.2 thorpej * socket options set. This heuristic avoids searching 304 1.2.2.2 thorpej * through all pcbs in the common case of a non-shared 305 1.2.2.2 thorpej * port. It assumes that an application will never 306 1.2.2.2 thorpej * clear these options after setting them. 307 1.2.2.2 thorpej */ 308 1.2.2.2 thorpej if ((last->in6p_socket->so_options & 309 1.2.2.2 thorpej (SO_REUSEPORT|SO_REUSEADDR)) == 0) 310 1.2.2.2 thorpej break; 311 1.2.2.2 thorpej } 312 1.2.2.2 thorpej 313 1.2.2.2 thorpej if (last == NULL) { 314 1.2.2.2 thorpej /* 315 1.2.2.2 thorpej * No matching pcb found; discard datagram. 316 1.2.2.2 thorpej * (No need to send an ICMP Port Unreachable 317 1.2.2.2 thorpej * for a broadcast or multicast datgram.) 318 1.2.2.2 thorpej */ 319 1.2.2.2 thorpej udp6stat.udp6s_noport++; 320 1.2.2.2 thorpej udp6stat.udp6s_noportmcast++; 321 1.2.2.2 thorpej goto bad; 322 1.2.2.2 thorpej } 323 1.2.2.2 thorpej #ifdef IPSEC 324 1.2.2.2 thorpej /* 325 1.2.2.2 thorpej * Check AH/ESP integrity. 326 1.2.2.2 thorpej */ 327 1.2.2.2 thorpej if (last != NULL && ipsec6_in_reject(m, last)) { 328 1.2.2.2 thorpej ipsec6stat.in_polvio++; 329 1.2.2.2 thorpej goto bad; 330 1.2.2.2 thorpej } 331 1.2.2.2 thorpej #endif /*IPSEC*/ 332 1.2.2.2 thorpej if (last->in6p_flags & IN6P_CONTROLOPTS) 333 1.2.2.2 thorpej ip6_savecontrol(last, &opts, ip6, m); 334 1.2.2.2 thorpej 335 1.2.2.2 thorpej m_adj(m, off + sizeof(struct udphdr)); 336 1.2.2.2 thorpej if (sbappendaddr(&last->in6p_socket->so_rcv, 337 1.2.2.2 thorpej (struct sockaddr *)&udp_in6, 338 1.2.2.2 thorpej m, opts) == 0) { 339 1.2.2.2 thorpej udp6stat.udp6s_fullsock++; 340 1.2.2.2 thorpej goto bad; 341 1.2.2.2 thorpej } 342 1.2.2.2 thorpej sorwakeup(last->in6p_socket); 343 1.2.2.2 thorpej return IPPROTO_DONE; 344 1.2.2.2 thorpej } 345 1.2.2.2 thorpej /* 346 1.2.2.2 thorpej * Locate pcb for datagram. 347 1.2.2.2 thorpej */ 348 1.2.2.2 thorpej in6p = udp6_last_in6pcb; 349 1.2.2.2 thorpej if (in6p->in6p_lport != uh->uh_dport || 350 1.2.2.2 thorpej in6p->in6p_fport != uh->uh_sport || 351 1.2.2.2 thorpej !IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &ip6->ip6_src) || 352 1.2.2.2 thorpej !IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &ip6->ip6_dst)) { 353 1.2.2.2 thorpej in6p = in6_pcblookup(&udb6, 354 1.2.2.2 thorpej &ip6->ip6_src, uh->uh_sport, 355 1.2.2.2 thorpej &ip6->ip6_dst, uh->uh_dport, 356 1.2.2.2 thorpej IN6PLOOKUP_WILDCARD); 357 1.2.2.2 thorpej if (in6p) 358 1.2.2.2 thorpej udp6_last_in6pcb = in6p; 359 1.2.2.2 thorpej udp6stat.udp6ps_pcbcachemiss++; 360 1.2.2.2 thorpej } 361 1.2.2.2 thorpej if (in6p == 0) { 362 1.2.2.2 thorpej udp6stat.udp6s_noport++; 363 1.2.2.2 thorpej if (m->m_flags & M_MCAST) { 364 1.2.2.2 thorpej printf("UDP6: M_MCAST is set in a unicast packet.\n"); 365 1.2.2.2 thorpej udp6stat.udp6s_noportmcast++; 366 1.2.2.2 thorpej goto bad; 367 1.2.2.2 thorpej } 368 1.2.2.2 thorpej icmp6_error(m, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT, 0); 369 1.2.2.2 thorpej return IPPROTO_DONE; 370 1.2.2.2 thorpej } 371 1.2.2.2 thorpej #ifdef IPSEC 372 1.2.2.2 thorpej /* 373 1.2.2.2 thorpej * Check AH/ESP integrity. 374 1.2.2.2 thorpej */ 375 1.2.2.2 thorpej if (in6p != NULL && ipsec6_in_reject(m, in6p)) { 376 1.2.2.2 thorpej ipsec6stat.in_polvio++; 377 1.2.2.2 thorpej goto bad; 378 1.2.2.2 thorpej } 379 1.2.2.2 thorpej #endif /*IPSEC*/ 380 1.2.2.2 thorpej 381 1.2.2.2 thorpej /* 382 1.2.2.2 thorpej * Construct sockaddr format source address. 383 1.2.2.2 thorpej * Stuff source address and datagram in user buffer. 384 1.2.2.2 thorpej */ 385 1.2.2.2 thorpej bzero(&udp_in6, sizeof(udp_in6)); 386 1.2.2.2 thorpej udp_in6.sin6_len = sizeof(struct sockaddr_in6); 387 1.2.2.2 thorpej udp_in6.sin6_family = AF_INET6; 388 1.2.2.2 thorpej udp_in6.sin6_port = uh->uh_sport; 389 1.2.2.2 thorpej udp_in6.sin6_addr = ip6->ip6_src; 390 1.2.2.2 thorpej if (IN6_IS_SCOPE_LINKLOCAL(&udp_in6.sin6_addr)) 391 1.2.2.2 thorpej udp_in6.sin6_addr.s6_addr16[1] = 0; 392 1.2.2.2 thorpej if (m->m_pkthdr.rcvif) { 393 1.2.2.2 thorpej if (IN6_IS_SCOPE_LINKLOCAL(&udp_in6.sin6_addr)) 394 1.2.2.2 thorpej udp_in6.sin6_scope_id = m->m_pkthdr.rcvif->if_index; 395 1.2.2.2 thorpej else 396 1.2.2.2 thorpej udp_in6.sin6_scope_id = 0; 397 1.2.2.2 thorpej } else 398 1.2.2.2 thorpej udp_in6.sin6_scope_id = 0; 399 1.2.2.2 thorpej if (in6p->in6p_flags & IN6P_CONTROLOPTS) 400 1.2.2.2 thorpej ip6_savecontrol(in6p, &opts, ip6, m); 401 1.2.2.2 thorpej 402 1.2.2.2 thorpej m_adj(m, off + sizeof(struct udphdr)); 403 1.2.2.2 thorpej if (sbappendaddr(&in6p->in6p_socket->so_rcv, 404 1.2.2.2 thorpej (struct sockaddr *)&udp_in6, 405 1.2.2.2 thorpej m, opts) == 0) { 406 1.2.2.2 thorpej udp6stat.udp6s_fullsock++; 407 1.2.2.2 thorpej goto bad; 408 1.2.2.2 thorpej } 409 1.2.2.2 thorpej sorwakeup(in6p->in6p_socket); 410 1.2.2.2 thorpej return IPPROTO_DONE; 411 1.2.2.2 thorpej bad: 412 1.2.2.2 thorpej if (m) 413 1.2.2.2 thorpej m_freem(m); 414 1.2.2.2 thorpej if (opts) 415 1.2.2.2 thorpej m_freem(opts); 416 1.2.2.2 thorpej return IPPROTO_DONE; 417 1.2.2.2 thorpej } 418 1.2.2.2 thorpej 419 1.2.2.2 thorpej /* 420 1.2.2.2 thorpej * Notify a udp user of an asynchronous error; 421 1.2.2.2 thorpej * just wake up so tat he can collect error status. 422 1.2.2.2 thorpej */ 423 1.2.2.2 thorpej static void 424 1.2.2.2 thorpej udp6_notify(in6p, errno) 425 1.2.2.2 thorpej register struct in6pcb *in6p; 426 1.2.2.2 thorpej int errno; 427 1.2.2.2 thorpej { 428 1.2.2.2 thorpej in6p->in6p_socket->so_error = errno; 429 1.2.2.2 thorpej sorwakeup(in6p->in6p_socket); 430 1.2.2.2 thorpej sowwakeup(in6p->in6p_socket); 431 1.2.2.2 thorpej } 432 1.2.2.2 thorpej 433 1.2.2.2 thorpej void 434 1.2.2.2 thorpej udp6_ctlinput(cmd, sa, ip6, m, off) 435 1.2.2.2 thorpej int cmd; 436 1.2.2.2 thorpej struct sockaddr *sa; 437 1.2.2.2 thorpej register struct ip6_hdr *ip6; 438 1.2.2.2 thorpej struct mbuf *m; 439 1.2.2.2 thorpej int off; 440 1.2.2.2 thorpej { 441 1.2.2.2 thorpej register struct udphdr *uhp; 442 1.2.2.2 thorpej struct udphdr uh; 443 1.2.2.2 thorpej 444 1.2.2.2 thorpej #if 0 445 1.2.2.2 thorpej if (cmd == PRC_IFNEWADDR) 446 1.2.2.2 thorpej in6_mrejoin(&udb6); 447 1.2.2.2 thorpej else 448 1.2.2.2 thorpej #endif 449 1.2.2.2 thorpej if (!PRC_IS_REDIRECT(cmd) && 450 1.2.2.2 thorpej ((unsigned)cmd >= PRC_NCMDS || inet6ctlerrmap[cmd] == 0)) 451 1.2.2.2 thorpej return; 452 1.2.2.2 thorpej if (ip6) { 453 1.2.2.2 thorpej /* 454 1.2.2.2 thorpej * XXX: We assume that when IPV6 is non NULL, 455 1.2.2.2 thorpej * M and OFF are valid. 456 1.2.2.2 thorpej */ 457 1.2.2.2 thorpej if (m->m_len < off + sizeof(uh)) { 458 1.2.2.2 thorpej /* 459 1.2.2.2 thorpej * this should be rare case, 460 1.2.2.2 thorpej * so we compromise on this copy... 461 1.2.2.2 thorpej */ 462 1.2.2.2 thorpej m_copydata(m, off, sizeof(uh), (caddr_t)&uh); 463 1.2.2.2 thorpej uhp = &uh; 464 1.2.2.2 thorpej } else 465 1.2.2.2 thorpej uhp = (struct udphdr *)(mtod(m, caddr_t) + off); 466 1.2.2.2 thorpej (void) in6_pcbnotify(&udb6, sa, uhp->uh_dport, &ip6->ip6_src, 467 1.2.2.2 thorpej uhp->uh_sport, cmd, udp6_notify); 468 1.2.2.2 thorpej } else { 469 1.2.2.2 thorpej (void) in6_pcbnotify(&udb6, sa, 0, &zeroin6_addr, 0, cmd, 470 1.2.2.2 thorpej udp6_notify); 471 1.2.2.2 thorpej } 472 1.2.2.2 thorpej } 473 1.2.2.2 thorpej 474 1.2.2.2 thorpej int 475 1.2.2.2 thorpej udp6_output(in6p, m, addr6, control) 476 1.2.2.2 thorpej register struct in6pcb *in6p; 477 1.2.2.2 thorpej register struct mbuf *m; 478 1.2.2.2 thorpej struct mbuf *addr6, *control; 479 1.2.2.2 thorpej { 480 1.2.2.2 thorpej register int ulen = m->m_pkthdr.len; 481 1.2.2.2 thorpej int plen = sizeof(struct udphdr) + ulen; 482 1.2.2.2 thorpej struct ip6_hdr *ip6; 483 1.2.2.2 thorpej struct udphdr *udp6; 484 1.2.2.2 thorpej struct in6_addr laddr6; 485 1.2.2.2 thorpej int s = 0, error = 0; 486 1.2.2.2 thorpej struct ip6_pktopts opt, *stickyopt = in6p->in6p_outputopts; 487 1.2.2.2 thorpej int priv = 0; 488 1.2.2.2 thorpej struct proc *p = curproc; /* XXX */ 489 1.2.2.2 thorpej 490 1.2.2.2 thorpej if (p && !suser(p->p_ucred, &p->p_acflag)) 491 1.2.2.2 thorpej priv = 1; 492 1.2.2.2 thorpej if (control) { 493 1.2.2.2 thorpej if ((error = ip6_setpktoptions(control, &opt, priv)) != 0) 494 1.2.2.2 thorpej goto release; 495 1.2.2.2 thorpej in6p->in6p_outputopts = &opt; 496 1.2.2.2 thorpej } 497 1.2.2.2 thorpej 498 1.2.2.2 thorpej if (addr6) { 499 1.2.2.2 thorpej laddr6 = in6p->in6p_laddr; 500 1.2.2.2 thorpej if (!IN6_IS_ADDR_ANY(&in6p->in6p_faddr)) { 501 1.2.2.2 thorpej error = EISCONN; 502 1.2.2.2 thorpej goto release; 503 1.2.2.2 thorpej } 504 1.2.2.2 thorpej /* 505 1.2.2.2 thorpej * Must block input while temporarily connected. 506 1.2.2.2 thorpej */ 507 1.2.2.2 thorpej s = splnet(); 508 1.2.2.2 thorpej error = in6_pcbconnect(in6p, addr6); 509 1.2.2.2 thorpej if (error) { 510 1.2.2.2 thorpej splx(s); 511 1.2.2.2 thorpej goto release; 512 1.2.2.2 thorpej } 513 1.2.2.2 thorpej } else { 514 1.2.2.2 thorpej if (IN6_IS_ADDR_ANY(&in6p->in6p_faddr)) { 515 1.2.2.2 thorpej error = ENOTCONN; 516 1.2.2.2 thorpej goto release; 517 1.2.2.2 thorpej } 518 1.2.2.2 thorpej } 519 1.2.2.2 thorpej /* 520 1.2.2.2 thorpej * Calculate data length and get a mbuf 521 1.2.2.2 thorpej * for UDP and IP6 headers. 522 1.2.2.2 thorpej */ 523 1.2.2.2 thorpej M_PREPEND(m, sizeof(struct ip6_hdr) + sizeof(struct udphdr), M_DONTWAIT); 524 1.2.2.2 thorpej if (m == 0) { 525 1.2.2.2 thorpej error = ENOBUFS; 526 1.2.2.2 thorpej goto release; 527 1.2.2.2 thorpej } 528 1.2.2.2 thorpej 529 1.2.2.2 thorpej /* 530 1.2.2.2 thorpej * Stuff checksum and output datagram. 531 1.2.2.2 thorpej */ 532 1.2.2.2 thorpej ip6 = mtod(m, struct ip6_hdr *); 533 1.2.2.2 thorpej ip6->ip6_flow = in6p->in6p_flowinfo & IPV6_FLOWINFO_MASK; 534 1.2.2.2 thorpej ip6->ip6_vfc = IPV6_VERSION; 535 1.2.2.2 thorpej #if 0 /* ip6_plen will be filled in ip6_output. */ 536 1.2.2.2 thorpej ip6->ip6_plen = htons((u_short)plen); 537 1.2.2.2 thorpej #endif 538 1.2.2.2 thorpej ip6->ip6_nxt = IPPROTO_UDP; 539 1.2.2.2 thorpej ip6->ip6_hlim = in6p->in6p_ip6.ip6_hlim; /* XXX */ 540 1.2.2.2 thorpej ip6->ip6_src = in6p->in6p_laddr; 541 1.2.2.2 thorpej ip6->ip6_dst = in6p->in6p_faddr; 542 1.2.2.2 thorpej 543 1.2.2.2 thorpej udp6 = (struct udphdr *)(ip6 + 1); 544 1.2.2.2 thorpej udp6->uh_sport = in6p->in6p_lport; 545 1.2.2.2 thorpej udp6->uh_dport = in6p->in6p_fport; 546 1.2.2.2 thorpej udp6->uh_ulen = htons((u_short)plen); 547 1.2.2.2 thorpej udp6->uh_sum = 0; 548 1.2.2.2 thorpej 549 1.2.2.2 thorpej if ((udp6->uh_sum = in6_cksum(m, IPPROTO_UDP, 550 1.2.2.2 thorpej sizeof(struct ip6_hdr), plen)) == 0) { 551 1.2.2.2 thorpej udp6->uh_sum = 0xffff; 552 1.2.2.2 thorpej } 553 1.2.2.2 thorpej 554 1.2.2.2 thorpej udp6stat.udp6s_opackets++; 555 1.2.2.2 thorpej 556 1.2.2.2 thorpej #ifdef IPSEC 557 1.2.2.2 thorpej m->m_pkthdr.rcvif = (struct ifnet *)in6p->in6p_socket; 558 1.2.2.2 thorpej #endif /*IPSEC*/ 559 1.2.2.2 thorpej error = ip6_output(m, in6p->in6p_outputopts, &in6p->in6p_route, 560 1.2.2.2 thorpej 0, in6p->in6p_moptions); 561 1.2.2.2 thorpej 562 1.2.2.2 thorpej if (addr6) { 563 1.2.2.2 thorpej in6_pcbdisconnect(in6p); 564 1.2.2.2 thorpej in6p->in6p_laddr = laddr6; 565 1.2.2.2 thorpej splx(s); 566 1.2.2.2 thorpej } 567 1.2.2.2 thorpej goto releaseopt; 568 1.2.2.2 thorpej 569 1.2.2.2 thorpej release: 570 1.2.2.2 thorpej m_freem(m); 571 1.2.2.2 thorpej 572 1.2.2.2 thorpej releaseopt: 573 1.2.2.2 thorpej if (control) { 574 1.2.2.2 thorpej in6p->in6p_outputopts = stickyopt; 575 1.2.2.2 thorpej m_freem(control); 576 1.2.2.2 thorpej } 577 1.2.2.2 thorpej return(error); 578 1.2.2.2 thorpej } 579 1.2.2.2 thorpej 580 1.2.2.2 thorpej extern int udp6_sendspace; 581 1.2.2.2 thorpej extern int udp6_recvspace; 582 1.2.2.2 thorpej 583 1.2.2.2 thorpej int 584 1.2.2.2 thorpej udp6_usrreq(so, req, m, addr6, control, p) 585 1.2.2.2 thorpej struct socket *so; 586 1.2.2.2 thorpej int req; 587 1.2.2.2 thorpej struct mbuf *m, *addr6, *control; 588 1.2.2.2 thorpej struct proc *p; 589 1.2.2.2 thorpej { 590 1.2.2.2 thorpej struct in6pcb *in6p = sotoin6pcb(so); 591 1.2.2.2 thorpej int error = 0; 592 1.2.2.2 thorpej int s; 593 1.2.2.2 thorpej 594 1.2.2.2 thorpej /* 595 1.2.2.2 thorpej * MAPPED_ADDR implementation info: 596 1.2.2.2 thorpej * Mapped addr support for PRU_CONTROL is not necessary. 597 1.2.2.2 thorpej * Because typical user of PRU_CONTROL is such as ifconfig, 598 1.2.2.2 thorpej * and they don't associate any addr to their socket. Then 599 1.2.2.2 thorpej * socket family is only hint about the PRU_CONTROL'ed address 600 1.2.2.2 thorpej * family, especially when getting addrs from kernel. 601 1.2.2.2 thorpej * So AF_INET socket need to be used to control AF_INET addrs, 602 1.2.2.2 thorpej * and AF_INET6 socket for AF_INET6 addrs. 603 1.2.2.2 thorpej */ 604 1.2.2.2 thorpej if (req == PRU_CONTROL) 605 1.2.2.2 thorpej return(in6_control(so, (u_long)m, (caddr_t)addr6, 606 1.2.2.2 thorpej (struct ifnet *)control, p)); 607 1.2.2.2 thorpej 608 1.2.2.2 thorpej if (in6p == NULL && req != PRU_ATTACH) { 609 1.2.2.2 thorpej error = EINVAL; 610 1.2.2.2 thorpej goto release; 611 1.2.2.2 thorpej } 612 1.2.2.2 thorpej 613 1.2.2.2 thorpej switch (req) { 614 1.2.2.2 thorpej case PRU_ATTACH: 615 1.2.2.2 thorpej /* 616 1.2.2.2 thorpej * MAPPED_ADDR implementation spec: 617 1.2.2.2 thorpej * Always attach for IPv6, 618 1.2.2.2 thorpej * and only when necessary for IPv4. 619 1.2.2.2 thorpej */ 620 1.2.2.2 thorpej if (in6p != NULL) { 621 1.2.2.2 thorpej error = EINVAL; 622 1.2.2.2 thorpej break; 623 1.2.2.2 thorpej } 624 1.2.2.2 thorpej s = splnet(); 625 1.2.2.2 thorpej error = in6_pcballoc(so, &udb6); 626 1.2.2.2 thorpej splx(s); 627 1.2.2.2 thorpej if (error) 628 1.2.2.2 thorpej break; 629 1.2.2.2 thorpej error = soreserve(so, udp6_sendspace, udp6_recvspace); 630 1.2.2.2 thorpej if (error) 631 1.2.2.2 thorpej break; 632 1.2.2.2 thorpej in6p = sotoin6pcb(so); 633 1.2.2.2 thorpej in6p->in6p_ip6.ip6_hlim = ip6_defhlim; 634 1.2.2.2 thorpej in6p->in6p_cksum = -1; /* just to be sure */ 635 1.2.2.2 thorpej #ifdef IPSEC 636 1.2.2.2 thorpej error = ipsec_init_policy(&in6p->in6p_sp); 637 1.2.2.2 thorpej #endif /*IPSEC*/ 638 1.2.2.2 thorpej break; 639 1.2.2.2 thorpej 640 1.2.2.2 thorpej case PRU_DETACH: 641 1.2.2.2 thorpej udp6_detach(in6p); 642 1.2.2.2 thorpej break; 643 1.2.2.2 thorpej 644 1.2.2.2 thorpej case PRU_BIND: 645 1.2.2.2 thorpej s = splnet(); 646 1.2.2.2 thorpej error = in6_pcbbind(in6p, addr6); 647 1.2.2.2 thorpej splx(s); 648 1.2.2.2 thorpej break; 649 1.2.2.2 thorpej 650 1.2.2.2 thorpej case PRU_LISTEN: 651 1.2.2.2 thorpej error = EOPNOTSUPP; 652 1.2.2.2 thorpej break; 653 1.2.2.2 thorpej 654 1.2.2.2 thorpej case PRU_CONNECT: 655 1.2.2.2 thorpej if (!IN6_IS_ADDR_ANY(&in6p->in6p_faddr)) { 656 1.2.2.2 thorpej error = EISCONN; 657 1.2.2.2 thorpej break; 658 1.2.2.2 thorpej } 659 1.2.2.2 thorpej s = splnet(); 660 1.2.2.2 thorpej error = in6_pcbconnect(in6p, addr6); 661 1.2.2.2 thorpej if (ip6_auto_flowlabel) { 662 1.2.2.2 thorpej in6p->in6p_flowinfo &= ~IPV6_FLOWLABEL_MASK; 663 1.2.2.2 thorpej in6p->in6p_flowinfo |= 664 1.2.2.2 thorpej (htonl(ip6_flow_seq++) & IPV6_FLOWLABEL_MASK); 665 1.2.2.2 thorpej } 666 1.2.2.2 thorpej splx(s); 667 1.2.2.2 thorpej if (error == 0) 668 1.2.2.2 thorpej soisconnected(so); 669 1.2.2.2 thorpej break; 670 1.2.2.2 thorpej 671 1.2.2.2 thorpej case PRU_CONNECT2: 672 1.2.2.2 thorpej error = EOPNOTSUPP; 673 1.2.2.2 thorpej break; 674 1.2.2.2 thorpej 675 1.2.2.2 thorpej case PRU_ACCEPT: 676 1.2.2.2 thorpej error = EOPNOTSUPP; 677 1.2.2.2 thorpej break; 678 1.2.2.2 thorpej 679 1.2.2.2 thorpej case PRU_DISCONNECT: 680 1.2.2.2 thorpej if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) { 681 1.2.2.2 thorpej error = ENOTCONN; 682 1.2.2.2 thorpej break; 683 1.2.2.2 thorpej } 684 1.2.2.2 thorpej s = splnet(); 685 1.2.2.2 thorpej in6_pcbdisconnect(in6p); 686 1.2.2.2 thorpej bzero((caddr_t)&in6p->in6p_laddr, sizeof(in6p->in6p_laddr)); 687 1.2.2.2 thorpej splx(s); 688 1.2.2.2 thorpej so->so_state &= ~SS_ISCONNECTED; /* XXX */ 689 1.2.2.2 thorpej break; 690 1.2.2.2 thorpej 691 1.2.2.2 thorpej case PRU_SHUTDOWN: 692 1.2.2.2 thorpej socantsendmore(so); 693 1.2.2.2 thorpej break; 694 1.2.2.2 thorpej 695 1.2.2.2 thorpej case PRU_SEND: 696 1.2.2.2 thorpej return(udp6_output(in6p, m, addr6, control)); 697 1.2.2.2 thorpej 698 1.2.2.2 thorpej case PRU_ABORT: 699 1.2.2.2 thorpej soisdisconnected(so); 700 1.2.2.2 thorpej udp6_detach(in6p); 701 1.2.2.2 thorpej break; 702 1.2.2.2 thorpej 703 1.2.2.2 thorpej case PRU_SOCKADDR: 704 1.2.2.2 thorpej in6_setsockaddr(in6p, addr6); 705 1.2.2.2 thorpej break; 706 1.2.2.2 thorpej 707 1.2.2.2 thorpej case PRU_PEERADDR: 708 1.2.2.2 thorpej in6_setpeeraddr(in6p, addr6); 709 1.2.2.2 thorpej break; 710 1.2.2.2 thorpej 711 1.2.2.2 thorpej case PRU_SENSE: 712 1.2.2.2 thorpej /* 713 1.2.2.2 thorpej * stat: don't bother with a blocksize 714 1.2.2.2 thorpej */ 715 1.2.2.2 thorpej return(0); 716 1.2.2.2 thorpej 717 1.2.2.2 thorpej case PRU_SENDOOB: 718 1.2.2.2 thorpej case PRU_FASTTIMO: 719 1.2.2.2 thorpej case PRU_SLOWTIMO: 720 1.2.2.2 thorpej case PRU_PROTORCV: 721 1.2.2.2 thorpej case PRU_PROTOSEND: 722 1.2.2.2 thorpej error = EOPNOTSUPP; 723 1.2.2.2 thorpej break; 724 1.2.2.2 thorpej 725 1.2.2.2 thorpej case PRU_RCVD: 726 1.2.2.2 thorpej case PRU_RCVOOB: 727 1.2.2.2 thorpej return(EOPNOTSUPP); /* do not free mbuf's */ 728 1.2.2.2 thorpej 729 1.2.2.2 thorpej default: 730 1.2.2.2 thorpej panic("udp6_usrreq"); 731 1.2.2.2 thorpej } 732 1.2.2.2 thorpej 733 1.2.2.2 thorpej release: 734 1.2.2.2 thorpej if (control) { 735 1.2.2.2 thorpej printf("udp control data unexpectedly retained\n"); 736 1.2.2.2 thorpej m_freem(control); 737 1.2.2.2 thorpej } 738 1.2.2.2 thorpej if (m) 739 1.2.2.2 thorpej m_freem(m); 740 1.2.2.2 thorpej return(error); 741 1.2.2.2 thorpej } 742 1.2.2.2 thorpej 743 1.2.2.2 thorpej static void 744 1.2.2.2 thorpej udp6_detach(in6p) 745 1.2.2.2 thorpej struct in6pcb *in6p; 746 1.2.2.2 thorpej { 747 1.2.2.2 thorpej int s = splnet(); 748 1.2.2.2 thorpej 749 1.2.2.2 thorpej if (in6p == udp6_last_in6pcb) 750 1.2.2.2 thorpej udp6_last_in6pcb = &udb6; 751 1.2.2.2 thorpej in6_pcbdetach(in6p); 752 1.2.2.2 thorpej splx(s); 753 1.2.2.2 thorpej } 754 1.2.2.2 thorpej 755 1.2.2.2 thorpej #ifdef __bsdi__ 756 1.2.2.2 thorpej int *udp6_sysvars[] = UDP6CTL_VARS; 757 1.2.2.2 thorpej 758 1.2.2.2 thorpej int 759 1.2.2.2 thorpej udp6_sysctl(name, namelen, oldp, oldlenp, newp, newlen) 760 1.2.2.2 thorpej int *name; 761 1.2.2.2 thorpej u_int namelen; 762 1.2.2.2 thorpej void *oldp; 763 1.2.2.2 thorpej size_t *oldlenp; 764 1.2.2.2 thorpej void *newp; 765 1.2.2.2 thorpej size_t newlen; 766 1.2.2.2 thorpej { 767 1.2.2.2 thorpej if (name[0] >= UDP6CTL_MAXID) 768 1.2.2.2 thorpej return (EOPNOTSUPP); 769 1.2.2.2 thorpej switch (name[0]) { 770 1.2.2.2 thorpej case UDP6CTL_STATS: 771 1.2.2.2 thorpej return sysctl_rdtrunc(oldp, oldlenp, newp, &udp6stat, 772 1.2.2.2 thorpej sizeof(udp6stat)); 773 1.2.2.2 thorpej 774 1.2.2.2 thorpej default: 775 1.2.2.2 thorpej return (sysctl_int_arr(udp6_sysvars, name, namelen, 776 1.2.2.2 thorpej oldp, oldlenp, newp, newlen)); 777 1.2.2.2 thorpej } 778 1.2.2.2 thorpej } 779 1.2.2.2 thorpej #endif /*__bsdi__*/ 780 1.2.2.2 thorpej 781 1.2.2.2 thorpej #ifdef __NetBSD__ 782 1.2.2.2 thorpej #include <vm/vm.h> 783 1.2.2.2 thorpej #include <sys/sysctl.h> 784 1.2.2.2 thorpej 785 1.2.2.2 thorpej int 786 1.2.2.2 thorpej udp6_sysctl(name, namelen, oldp, oldlenp, newp, newlen) 787 1.2.2.2 thorpej int *name; 788 1.2.2.2 thorpej u_int namelen; 789 1.2.2.2 thorpej void *oldp; 790 1.2.2.2 thorpej size_t *oldlenp; 791 1.2.2.2 thorpej void *newp; 792 1.2.2.2 thorpej size_t newlen; 793 1.2.2.2 thorpej { 794 1.2.2.2 thorpej /* All sysctl names at this level are terminal. */ 795 1.2.2.2 thorpej if (namelen != 1) 796 1.2.2.2 thorpej return ENOTDIR; 797 1.2.2.2 thorpej 798 1.2.2.2 thorpej switch (name[0]) { 799 1.2.2.2 thorpej 800 1.2.2.2 thorpej case UDP6CTL_SENDMAX: 801 1.2.2.2 thorpej return sysctl_int(oldp, oldlenp, newp, newlen, 802 1.2.2.2 thorpej &udp6_sendspace); 803 1.2.2.2 thorpej case UDP6CTL_RECVSPACE: 804 1.2.2.2 thorpej return sysctl_int(oldp, oldlenp, newp, newlen, 805 1.2.2.2 thorpej &udp6_recvspace); 806 1.2.2.2 thorpej default: 807 1.2.2.2 thorpej return ENOPROTOOPT; 808 1.2.2.2 thorpej } 809 1.2.2.2 thorpej /* NOTREACHED */ 810 1.2.2.2 thorpej } 811 1.2.2.2 thorpej #endif 812
Indexes created Mon Sep 29 21:09:56 GMT 2025