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 <netinet/in.h> 35 #include <netinet/icmp6.h> 36 #include <inet/common.h> 37 #include <netinet/ip6.h> 38 #include <inet/ip.h> 39 40 #include <netinet/tcp.h> 41 #include <netinet/ip_mroute.h> 42 #include <inet/optcom.h> 43 #include <inet/rawip_impl.h> 44 45 /* 46 * Table of all known options handled on a ICMP protocol stack. 47 * 48 * Note: This table contains options processed by both ICMP and IP levels 49 * and is the superset of options that can be performed on a ICMP over IP 50 * stack. 51 */ 52 opdes_t icmp_opt_arr[] = { 53 54 { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 55 { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 56 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 57 }, 58 { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 59 { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 60 61 #ifdef SO_PROTOTYPE 62 /* 63 * icmp will only allow IPPROTO_ICMP for non-privileged streams 64 * that check is made on an adhoc basis. 65 */ 66 { SO_PROTOTYPE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 67 #endif 68 69 { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 70 { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 71 { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 72 { SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 73 sizeof (struct timeval), 0 }, 74 { SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 75 sizeof (struct timeval), 0 }, 76 { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 77 0 }, 78 { SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 79 }, 80 { SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 81 0 }, 82 { SO_MAC_IMPLICIT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 83 0 }, 84 85 { SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int), 86 0 }, 87 { SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 88 89 { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 90 (OP_VARLEN|OP_NODEFAULT), 91 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 92 { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 93 (OP_VARLEN|OP_NODEFAULT), 94 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 95 96 { IP_HDRINCL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, 97 sizeof (int), 0 }, 98 { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 99 { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 100 { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 101 102 { IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 103 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 104 105 { IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 106 sizeof (uchar_t), -1 /* not initialized */}, 107 108 { IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 109 sizeof (uchar_t), -1 /* not initialized */ }, 110 111 { IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 112 sizeof (struct ip_mreq), -1 /* not initialized */ }, 113 114 { IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 115 sizeof (struct ip_mreq), 0 }, 116 117 { IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 118 sizeof (struct ip_mreq_source), -1 }, 119 120 { IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 121 sizeof (struct ip_mreq_source), -1 }, 122 123 { IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 124 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 125 126 { IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 127 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 128 129 { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 130 sizeof (ipsec_req_t), -1 /* not initialized */ }, 131 132 { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 133 sizeof (int), 0 /* no ifindex */ }, 134 135 { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, 136 sizeof (int), 0 }, 137 138 { IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 139 0 /* disabled */ }, 140 141 { IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 142 143 { IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 144 (OP_NODEFAULT|OP_VARLEN), 145 sizeof (struct in_pktinfo), -1 /* not initialized */ }, 146 147 { IP_DONTFRAG, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 148 149 { IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 150 sizeof (in_addr_t), -1 /* not initialized */ }, 151 152 { MRT_INIT, IPPROTO_IP, 0, OA_X, OP_CONFIG, 153 OP_NODEFAULT, sizeof (int), 154 -1 /* not initialized */ }, 155 156 { MRT_DONE, IPPROTO_IP, 0, OA_X, OP_CONFIG, 157 OP_NODEFAULT, 0, -1 /* not initialized */ }, 158 159 { MRT_ADD_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, OP_NODEFAULT, 160 sizeof (struct vifctl), -1 /* not initialized */ }, 161 162 { MRT_DEL_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, OP_NODEFAULT, 163 sizeof (vifi_t), -1 /* not initialized */ }, 164 165 { MRT_ADD_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, OP_NODEFAULT, 166 sizeof (struct mfcctl), -1 /* not initialized */ }, 167 168 { MRT_DEL_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, OP_NODEFAULT, 169 sizeof (struct mfcctl), -1 /* not initialized */ }, 170 171 { MRT_VERSION, IPPROTO_IP, OA_R, OA_R, OP_NP, OP_NODEFAULT, 172 sizeof (int), -1 /* not initialized */ }, 173 174 { MRT_ASSERT, IPPROTO_IP, 0, OA_RW, OP_CONFIG, 175 OP_NODEFAULT, 176 sizeof (int), -1 /* not initialized */ }, 177 178 { MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 179 OP_NODEFAULT, sizeof (struct group_req), 180 -1 /* not initialized */ }, 181 { MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 182 OP_NODEFAULT, sizeof (struct group_req), 183 -1 /* not initialized */ }, 184 { MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 185 OP_NODEFAULT, sizeof (struct group_source_req), 186 -1 /* not initialized */ }, 187 { MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 188 OP_NODEFAULT, sizeof (struct group_source_req), 189 -1 /* not initialized */ }, 190 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 191 OP_NODEFAULT, sizeof (struct group_source_req), 192 -1 /* not initialized */ }, 193 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 194 OP_NODEFAULT, sizeof (struct group_source_req), 195 -1 /* not initialized */ }, 196 197 { IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 198 sizeof (int), 0 }, 199 200 { IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 201 OP_DEF_FN, sizeof (int), -1 /* not initialized */ }, 202 203 { IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 204 OP_DEF_FN, sizeof (int), -1 /* not initialized */}, 205 206 { IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT, 207 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 208 209 { IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT, 210 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 211 212 { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 213 sizeof (int), -1 /* not initialized */ }, 214 215 { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 216 sizeof (int), 0 /* no ifindex */ }, 217 218 { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, 0, 219 sizeof (int), 0 }, 220 221 { IPV6_CHECKSUM, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 222 -1 }, 223 224 { ICMP6_FILTER, IPPROTO_ICMPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN|OP_VARLEN, 225 sizeof (icmp6_filter_t), 0 }, 226 { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 227 (OP_NODEFAULT|OP_VARLEN), 228 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 229 { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 230 (OP_NODEFAULT|OP_VARLEN), 231 sizeof (int), -1 /* not initialized */ }, 232 { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 233 (OP_NODEFAULT|OP_VARLEN), 234 sizeof (sin6_t), -1 /* not initialized */ }, 235 { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 236 (OP_VARLEN|OP_NODEFAULT), 237 MAX_EHDR_LEN, -1 /* not initialized */ }, 238 { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 239 (OP_VARLEN|OP_NODEFAULT), 240 MAX_EHDR_LEN, -1 /* not initialized */ }, 241 { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 242 (OP_VARLEN|OP_NODEFAULT), 243 MAX_EHDR_LEN, -1 /* not initialized */ }, 244 { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 245 (OP_VARLEN|OP_NODEFAULT), 246 MAX_EHDR_LEN, -1 /* not initialized */ }, 247 { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 248 (OP_NODEFAULT|OP_VARLEN), 249 sizeof (int), -1 /* not initialized */ }, 250 { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 251 sizeof (struct ip6_mtuinfo), -1 }, 252 { IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 253 sizeof (int), 0 }, 254 { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 255 sizeof (int), 0 }, 256 { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 257 sizeof (int), 0 }, 258 259 { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 260 sizeof (int), 0 }, 261 { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 262 sizeof (int), 0 }, 263 { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 264 sizeof (int), 0 }, 265 { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 266 sizeof (int), 0 }, 267 { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 268 sizeof (int), 0 }, 269 { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 270 sizeof (int), 0 }, 271 { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 272 sizeof (int), 0 }, 273 { IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 274 sizeof (int), 0 }, 275 { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 276 sizeof (int), 0 }, 277 278 { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 279 sizeof (ipsec_req_t), -1 /* not initialized */ }, 280 { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 281 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 282 283 { MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 284 OP_NODEFAULT, sizeof (struct group_req), 285 -1 /* not initialized */ }, 286 { MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 287 OP_NODEFAULT, sizeof (struct group_req), 288 -1 /* not initialized */ }, 289 { MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 290 OP_NODEFAULT, sizeof (struct group_source_req), 291 -1 /* not initialized */ }, 292 { MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 293 OP_NODEFAULT, sizeof (struct group_source_req), 294 -1 /* not initialized */ }, 295 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 296 OP_NODEFAULT, sizeof (struct group_source_req), 297 -1 /* not initialized */ }, 298 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 299 OP_NODEFAULT, sizeof (struct group_source_req), 300 -1 /* not initialized */ }, 301 }; 302 303 /* 304 * Table of all supported levels 305 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 306 * any supported options so we need this info separately. 307 * 308 * This is needed only for topmost tpi providers and is used only by 309 * XTI interfaces. 310 */ 311 optlevel_t icmp_valid_levels_arr[] = { 312 XTI_GENERIC, 313 SOL_SOCKET, 314 IPPROTO_ICMP, 315 IPPROTO_IP, 316 IPPROTO_IPV6, 317 IPPROTO_ICMPV6 318 }; 319 320 #define ICMP_VALID_LEVELS_CNT A_CNT(icmp_valid_levels_arr) 321 #define ICMP_OPT_ARR_CNT A_CNT(icmp_opt_arr) 322 323 uint_t icmp_max_optsize; /* initialized when ICMP driver is loaded */ 324 325 /* 326 * Initialize option database object for ICMP 327 * 328 * This object represents database of options to search passed to 329 * {sock,tpi}optcom_req() interface routine to take care of option 330 * management and associated methods. 331 */ 332 333 optdb_obj_t icmp_opt_obj = { 334 icmp_opt_default, /* ICMP default value function pointer */ 335 icmp_tpi_opt_get, /* ICMP get function pointer */ 336 icmp_tpi_opt_set, /* ICMP set function pointer */ 337 ICMP_OPT_ARR_CNT, /* ICMP option database count of entries */ 338 icmp_opt_arr, /* ICMP option database */ 339 ICMP_VALID_LEVELS_CNT, /* ICMP valid level count of entries */ 340 icmp_valid_levels_arr /* ICMP valid level array */ 341 }; 342
Indexes created Fri Nov 27 22:38:37 UTC 2009
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