icmp_opt_data.c revision 8348:4137e18bfaf0
14887Schin/* 24887Schin * CDDL HEADER START 34887Schin * 44887Schin * The contents of this file are subject to the terms of the 54887Schin * Common Development and Distribution License (the "License"). 612068SRoger.Faulkner@Oracle.COM * You may not use this file except in compliance with the License. 74887Schin * 84887Schin * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 98462SApril.Chin@Sun.COM * or http://www.opensolaris.org/os/licensing. 104887Schin * See the License for the specific language governing permissions 114887Schin * and limitations under the License. 124887Schin * 134887Schin * When distributing Covered Code, include this CDDL HEADER in each 144887Schin * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 154887Schin * If applicable, add the following below this CDDL HEADER, with the 164887Schin * fields enclosed by brackets "[]" replaced with your own identifying 174887Schin * information: Portions Copyright [yyyy] [name of copyright owner] 184887Schin * 194887Schin * CDDL HEADER END 204887Schin */ 214887Schin/* 224887Schin * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 234887Schin * Use is subject to license terms. 244887Schin */ 254887Schin 264887Schin#include <sys/types.h> 274887Schin#include <sys/stream.h> 284887Schin#define _SUN_TPI_VERSION 2 294887Schin#include <sys/tihdr.h> 304887Schin#include <sys/socket.h> 314887Schin#include <sys/xti_xtiopt.h> 324887Schin#include <sys/xti_inet.h> 334887Schin 344887Schin#include <netinet/in.h> 354887Schin#include <netinet/icmp6.h> 364887Schin#include <inet/common.h> 374887Schin#include <netinet/ip6.h> 384887Schin#include <inet/ip.h> 394887Schin/* 404887Schin * MK_XXX Following 2 includes temporary to import ip6_rthdr_t 414887Schin * definition. May not be needed if we fix ip6_dg_snd_attrs_t 424887Schin * to do all extension headers in identical manner. 434887Schin */ 444887Schin#include <net/if.h> 454887Schin#include <inet/ip6.h> 464887Schin 474887Schin#include <netinet/tcp.h> 484887Schin#include <netinet/ip_mroute.h> 494887Schin#include <inet/optcom.h> 504887Schin 514887Schin 524887Schinextern int icmp_opt_default(queue_t *, int, int, uchar_t *); 534887Schinextern int icmp_tpi_opt_get(queue_t *, int, int, uchar_t *); 544887Schinextern int icmp_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *, 554887Schin uint_t *, uchar_t *, void *, cred_t *, mblk_t *); 564887Schin 57/* 58 * Table of all known options handled on a ICMP protocol stack. 59 * 60 * Note: This table contains options processed by both ICMP and IP levels 61 * and is the superset of options that can be performed on a ICMP over IP 62 * stack. 63 */ 64opdes_t icmp_opt_arr[] = { 65 66{ SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 67{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 68{ SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 69 }, 70{ SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 71{ SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 72 73#ifdef SO_PROTOTYPE 74 /* 75 * icmp will only allow IPPROTO_ICMP for non-privileged streams 76 * that check is made on an adhoc basis. 77 */ 78{ SO_PROTOTYPE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 79#endif 80 81{ SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 82{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 83{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 84{ SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 85 0 }, 86{ SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 87 }, 88{ SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 89 0 }, 90 91{ SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, OP_PASSNEXT, sizeof (int), 92 0 }, 93{ SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 94 95{ IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 96 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 97 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 98{ T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 99 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 100 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 101 102{ IP_HDRINCL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 103 sizeof (int), 0 }, 104{ IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 105{ T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 106{ IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 107 108{ IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 109 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 110 111{ IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 112 sizeof (uchar_t), -1 /* not initialized */}, 113 114{ IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 115 sizeof (uchar_t), -1 /* not initialized */ }, 116 117{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 118 sizeof (struct ip_mreq), -1 /* not initialized */ }, 119 120{ IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 121 sizeof (struct ip_mreq), 0 }, 122 123{ IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 124 sizeof (struct ip_mreq_source), -1 }, 125 126{ IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 127 sizeof (struct ip_mreq_source), -1 }, 128 129{ IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 130 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, 131 132{ IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 133 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, 134 135{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 136 sizeof (ipsec_req_t), -1 /* not initialized */ }, 137 138{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 139 sizeof (int), 0 /* no ifindex */ }, 140 141{ IP_DONTFAILOVER_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 142 sizeof (struct in_addr), 0 /* not initialized */ }, 143 144{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 145 sizeof (int), 0 }, 146 147{ IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 148 0 /* disabled */ }, 149 150{ IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 151 152{ IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 153 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 154 sizeof (struct in_pktinfo), -1 /* not initialized */ }, 155 156{ IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, OP_PASSNEXT, 157 sizeof (in_addr_t), -1 /* not initialized */ }, 158 159{ MRT_INIT, IPPROTO_IP, 0, OA_X, OP_CONFIG, 160 (OP_PASSNEXT|OP_NODEFAULT), sizeof (int), 161 -1 /* not initialized */ }, 162 163{ MRT_DONE, IPPROTO_IP, 0, OA_X, OP_CONFIG, 164 (OP_PASSNEXT|OP_NODEFAULT), 0, -1 /* not initialized */ }, 165 166{ MRT_ADD_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT), 167 sizeof (struct vifctl), -1 /* not initialized */ }, 168 169{ MRT_DEL_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT), 170 sizeof (vifi_t), -1 /* not initialized */ }, 171 172{ MRT_ADD_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT), 173 sizeof (struct mfcctl), -1 /* not initialized */ }, 174 175{ MRT_DEL_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT), 176 sizeof (struct mfcctl), -1 /* not initialized */ }, 177 178{ MRT_VERSION, IPPROTO_IP, OA_R, OA_R, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 179 sizeof (int), -1 /* not initialized */ }, 180 181{ MRT_ASSERT, IPPROTO_IP, 0, OA_RW, OP_CONFIG, 182 (OP_PASSNEXT|OP_NODEFAULT), 183 sizeof (int), -1 /* not initialized */ }, 184 185{ MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 186 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 187 -1 /* not initialized */ }, 188{ MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 189 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 190 -1 /* not initialized */ }, 191{ MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 192 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 193 -1 /* not initialized */ }, 194{ MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 195 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 196 -1 /* not initialized */ }, 197{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 198 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 199 -1 /* not initialized */ }, 200{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 201 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 202 -1 /* not initialized */ }, 203 204{ IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 205 sizeof (int), 0 }, 206 207{ IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 208 (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 209 210{ IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 211 (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */}, 212 213{ IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 214 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 215 216{ IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 217 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 218 219{ IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 220 sizeof (int), -1 /* not initialized */ }, 221 222{ IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 223 sizeof (int), 0 /* no ifindex */ }, 224 225{ IPV6_BOUND_PIF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 226 sizeof (int), 0 /* no ifindex */ }, 227 228{ IPV6_DONTFAILOVER_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 229 sizeof (int), 0 /* no ifindex */ }, 230 231{ IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 232 sizeof (int), 0 }, 233 234{ IPV6_CHECKSUM, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 235 -1 }, 236 237{ ICMP6_FILTER, IPPROTO_ICMPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN|OP_VARLEN, 238 sizeof (icmp6_filter_t), 0 }, 239{ IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 240 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 241 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 242{ IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 243 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 244 sizeof (int), -1 /* not initialized */ }, 245{ IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 246 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 247 sizeof (sin6_t), -1 /* not initialized */ }, 248{ IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 249 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 250 MAX_EHDR_LEN, -1 /* not initialized */ }, 251{ IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 252 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 253 MAX_EHDR_LEN, -1 /* not initialized */ }, 254{ IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 255 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 256 MAX_EHDR_LEN, -1 /* not initialized */ }, 257{ IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 258 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 259 MAX_EHDR_LEN, -1 /* not initialized */ }, 260{ IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 261 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 262 sizeof (int), -1 /* not initialized */ }, 263{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 264 sizeof (struct ip6_mtuinfo), -1 }, 265{ IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 266 sizeof (int), 0 }, 267{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 268 sizeof (int), 0 }, 269{ IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 270 sizeof (int), 0 }, 271 272{ IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 273 sizeof (int), 0 }, 274{ IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 275 sizeof (int), 0 }, 276{ IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 277 sizeof (int), 0 }, 278{ _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 279 sizeof (int), 0 }, 280{ IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 281 sizeof (int), 0 }, 282{ IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 283 sizeof (int), 0 }, 284{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 285 sizeof (int), 0 }, 286{ IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 287 sizeof (int), 0 }, 288{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 289 sizeof (int), 0 }, 290 291{ IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 292 sizeof (ipsec_req_t), -1 /* not initialized */ }, 293{ IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 294 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 295 296{ MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 297 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 298 -1 /* not initialized */ }, 299{ MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 300 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 301 -1 /* not initialized */ }, 302{ MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 303 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 304 -1 /* not initialized */ }, 305{ MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 306 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 307 -1 /* not initialized */ }, 308{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 309 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 310 -1 /* not initialized */ }, 311{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 312 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 313 -1 /* not initialized */ }, 314}; 315 316/* 317 * Table of all supported levels 318 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 319 * any supported options so we need this info separately. 320 * 321 * This is needed only for topmost tpi providers and is used only by 322 * XTI interfaces. 323 */ 324optlevel_t icmp_valid_levels_arr[] = { 325 XTI_GENERIC, 326 SOL_SOCKET, 327 IPPROTO_ICMP, 328 IPPROTO_IP, 329 IPPROTO_IPV6, 330 IPPROTO_ICMPV6 331}; 332 333#define ICMP_VALID_LEVELS_CNT A_CNT(icmp_valid_levels_arr) 334#define ICMP_OPT_ARR_CNT A_CNT(icmp_opt_arr) 335 336uint_t icmp_max_optsize; /* initialized when ICMP driver is loaded */ 337 338/* 339 * Initialize option database object for ICMP 340 * 341 * This object represents database of options to search passed to 342 * {sock,tpi}optcom_req() interface routine to take care of option 343 * management and associated methods. 344 */ 345 346optdb_obj_t icmp_opt_obj = { 347 icmp_opt_default, /* ICMP default value function pointer */ 348 icmp_tpi_opt_get, /* ICMP get function pointer */ 349 icmp_tpi_opt_set, /* ICMP set function pointer */ 350 B_TRUE, /* ICMP is tpi provider */ 351 ICMP_OPT_ARR_CNT, /* ICMP option database count of entries */ 352 icmp_opt_arr, /* ICMP option database */ 353 ICMP_VALID_LEVELS_CNT, /* ICMP valid level count of entries */ 354 icmp_valid_levels_arr /* ICMP valid level array */ 355}; 356