1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/stream.h> 28 #define _SUN_TPI_VERSION 2 29 #include <sys/tihdr.h> 30 #include <sys/socket.h> 31 #include <sys/xti_xtiopt.h> 32 #include <sys/xti_inet.h> 33 34 #include <inet/common.h> 35 #include <netinet/ip6.h> 36 #include <inet/ip.h> 37 #include <inet/udp_impl.h> 38 /* 39 * MK_XXX Following 2 includes temporary to import ip6_rthdr_t 40 * definition. May not be needed if we fix ip6_dg_snd_attrs_t 41 * to do all extension headers in identical manner. 42 */ 43 #include <net/if.h> 44 #include <inet/ip6.h> 45 46 #include <netinet/in.h> 47 #include <netinet/udp.h> 48 #include <inet/optcom.h> 49 50 /* 51 * Table of all known options handled on a UDP protocol stack. 52 * 53 * Note: This table contains options processed by both UDP and IP levels 54 * and is the superset of options that can be performed on a UDP over IP 55 * stack. 56 */ 57 opdes_t udp_opt_arr[] = { 58 59 { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 60 { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 61 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 62 }, 63 { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 64 { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 65 { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 66 { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 67 { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 68 { SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 69 sizeof (struct timeval), 0 }, 70 { SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 71 sizeof (struct timeval), 0 }, 72 { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 73 0 }, 74 { SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 75 }, 76 { SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int), 77 0 }, 78 { SO_VRRP, SOL_SOCKET, OA_RW, OA_RW, OP_CONFIG, 0, sizeof (int), 0 }, 79 { SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 80 }, 81 { SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 82 0 }, 83 { SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 84 0 }, 85 { SO_MAC_IMPLICIT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 86 0 }, 87 /* 88 * The maximum size reported here depends on the maximum value for 89 * ucredsize; unfortunately, we can't add ucredsize here so we need 90 * to estimate here. Before it was 512 or 384 + NGROUPS_UMAX * sizeof (gid_t); 91 * as we're changing NGROUPS_UMAX we now codify this here using NGROUPS_UMAX. 92 */ 93 { SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT, 94 384 + NGROUPS_UMAX * sizeof (gid_t), 0 }, 95 { SO_EXCLBIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 96 { SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 97 { SO_PROTOTYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 98 99 { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 100 (OP_VARLEN|OP_NODEFAULT), 101 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 102 { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 103 (OP_VARLEN|OP_NODEFAULT), 104 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 105 106 { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 107 { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 108 { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 109 { IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 110 { IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 111 }, 112 { IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 113 { IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 114 { IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 115 0 }, 116 { IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 117 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 118 119 { IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 120 sizeof (uchar_t), -1 /* not initialized */}, 121 122 { IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 123 sizeof (uchar_t), -1 /* not initialized */ }, 124 125 { IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 126 sizeof (struct ip_mreq), -1 /* not initialized */ }, 127 128 { IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 129 sizeof (struct ip_mreq), -1 /* not initialized */ }, 130 131 { IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 132 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 133 134 { IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 135 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 136 137 { IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 138 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 139 140 { IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 141 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 142 143 { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 144 sizeof (ipsec_req_t), -1 /* not initialized */ }, 145 146 { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 147 sizeof (int), 0 /* no ifindex */ }, 148 149 { IP_DHCPINIT_IF, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 150 sizeof (int), 0 }, 151 152 { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, 153 sizeof (int), 0 }, 154 155 { IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 156 0 /* disabled */ }, 157 158 { IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 159 (OP_NODEFAULT|OP_VARLEN), 160 sizeof (struct in_pktinfo), -1 /* not initialized */ }, 161 { IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 162 sizeof (in_addr_t), -1 /* not initialized */ }, 163 164 { IP_DONTFRAG, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 165 166 { MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 167 OP_NODEFAULT, sizeof (struct group_req), 168 -1 /* not initialized */ }, 169 { MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 170 OP_NODEFAULT, sizeof (struct group_req), 171 -1 /* not initialized */ }, 172 { MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 173 OP_NODEFAULT, sizeof (struct group_source_req), 174 -1 /* not initialized */ }, 175 { MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 176 OP_NODEFAULT, sizeof (struct group_source_req), 177 -1 /* not initialized */ }, 178 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 179 OP_NODEFAULT, sizeof (struct group_source_req), 180 -1 /* not initialized */ }, 181 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 182 OP_NODEFAULT, sizeof (struct group_source_req), 183 -1 /* not initialized */ }, 184 185 { IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 186 sizeof (int), 0 }, 187 188 { IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 189 OP_DEF_FN, sizeof (int), -1 /* not initialized */ }, 190 191 { IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 192 OP_DEF_FN, sizeof (int), -1 /* not initialized */}, 193 194 { IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT, 195 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 196 197 { IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 198 OP_NODEFAULT, 199 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 200 201 { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 202 sizeof (int), -1 /* not initialized */ }, 203 204 { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 205 sizeof (int), 0 /* no ifindex */ }, 206 207 { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, 0, 208 sizeof (int), 0 }, 209 210 { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 211 (OP_NODEFAULT|OP_VARLEN), 212 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 213 { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 214 OP_NODEFAULT, 215 sizeof (int), -1 /* not initialized */ }, 216 { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 217 (OP_NODEFAULT|OP_VARLEN), 218 sizeof (sin6_t), -1 /* not initialized */ }, 219 { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 220 (OP_VARLEN|OP_NODEFAULT), 221 MAX_EHDR_LEN, -1 /* not initialized */ }, 222 { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 223 (OP_VARLEN|OP_NODEFAULT), 224 MAX_EHDR_LEN, -1 /* not initialized */ }, 225 { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 226 (OP_VARLEN|OP_NODEFAULT), 227 MAX_EHDR_LEN, -1 /* not initialized */ }, 228 { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 229 (OP_VARLEN|OP_NODEFAULT), 230 MAX_EHDR_LEN, -1 /* not initialized */ }, 231 { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 232 OP_NODEFAULT, 233 sizeof (int), -1 /* not initialized */ }, 234 { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 235 OP_NODEFAULT, 236 sizeof (struct ip6_mtuinfo), -1 }, 237 { IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 238 sizeof (int), 0 }, 239 { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 240 sizeof (int), 0 }, 241 { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 242 sizeof (int), 0 }, 243 244 { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 245 sizeof (int), 0 }, 246 { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 247 sizeof (int), 0 }, 248 { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 249 sizeof (int), 0 }, 250 { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 251 sizeof (int), 0 }, 252 { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 253 sizeof (int), 0 }, 254 { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 255 sizeof (int), 0 }, 256 { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 257 sizeof (int), 0 }, 258 { IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 259 0, sizeof (int), 0 }, 260 { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 261 sizeof (int), 0 }, 262 263 { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 264 sizeof (ipsec_req_t), -1 /* not initialized */ }, 265 { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 266 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 267 268 { MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 269 OP_NODEFAULT, sizeof (struct group_req), 270 -1 /* not initialized */ }, 271 { MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 272 OP_NODEFAULT, sizeof (struct group_req), 273 -1 /* not initialized */ }, 274 { MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 275 OP_NODEFAULT, sizeof (struct group_source_req), 276 -1 /* not initialized */ }, 277 { MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 278 OP_NODEFAULT, sizeof (struct group_source_req), 279 -1 /* not initialized */ }, 280 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 281 OP_NODEFAULT, sizeof (struct group_source_req), 282 -1 /* not initialized */ }, 283 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 284 OP_NODEFAULT, sizeof (struct group_source_req), 285 -1 /* not initialized */ }, 286 287 { UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, 0, 288 sizeof (int), 0 }, 289 { UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 290 }, 291 { UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 292 }, 293 { UDP_NAT_T_ENDPOINT, IPPROTO_UDP, OA_RW, OA_RW, OP_PRIVPORT, 0, sizeof (int), 294 0 }, 295 }; 296 297 /* 298 * Table of all supported levels 299 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 300 * any supported options so we need this info separately. 301 * 302 * This is needed only for topmost tpi providers and is used only by 303 * XTI interfaces. 304 */ 305 optlevel_t udp_valid_levels_arr[] = { 306 XTI_GENERIC, 307 SOL_SOCKET, 308 IPPROTO_UDP, 309 IPPROTO_IP, 310 IPPROTO_IPV6 311 }; 312 313 #define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr) 314 #define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr) 315 316 uint_t udp_max_optsize; /* initialized when UDP driver is loaded */ 317 318 /* 319 * Initialize option database object for UDP 320 * 321 * This object represents database of options to search passed to 322 * {sock,tpi}optcom_req() interface routine to take care of option 323 * management and associated methods. 324 */ 325 326 optdb_obj_t udp_opt_obj = { 327 udp_opt_default, /* UDP default value function pointer */ 328 udp_tpi_opt_get, /* UDP get function pointer */ 329 udp_tpi_opt_set, /* UDP set function pointer */ 330 UDP_OPT_ARR_CNT, /* UDP option database count of entries */ 331 udp_opt_arr, /* UDP option database */ 332 UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */ 333 udp_valid_levels_arr /* UDP valid level array */ 334 }; 335
Indexes created Wed Feb 10 00:19:07 UTC 2010
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