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 * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. 25 */ 26 27 #include <sys/types.h> 28 #include <sys/stream.h> 29 #define _SUN_TPI_VERSION 2 30 #include <sys/tihdr.h> 31 #include <sys/socket.h> 32 #include <sys/xti_xtiopt.h> 33 #include <sys/xti_inet.h> 34 35 #include <inet/common.h> 36 #include <netinet/ip6.h> 37 #include <inet/ip.h> 38 #include <inet/udp_impl.h> 39 /* 40 * MK_XXX Following 2 includes temporary to import ip6_rthdr_t 41 * definition. May not be needed if we fix ip6_dg_snd_attrs_t 42 * to do all extension headers in identical manner. 43 */ 44 #include <net/if.h> 45 #include <inet/ip6.h> 46 47 #include <netinet/in.h> 48 #include <netinet/udp.h> 49 #include <inet/optcom.h> 50 51 /* 52 * Table of all known options handled on a UDP protocol stack. 53 * 54 * Note: This table contains options processed by both UDP and IP levels 55 * and is the superset of options that can be performed on a UDP over IP 56 * stack. 57 */ 58 opdes_t udp_opt_arr[] = { 59 60 { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 61 { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 62 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 63 }, 64 { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 65 { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 66 { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 67 { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 68 { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 69 { SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 70 sizeof (struct timeval), 0 }, 71 { SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 72 sizeof (struct timeval), 0 }, 73 { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 74 0 }, 75 { SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 76 }, 77 { SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int), 78 0 }, 79 { SO_VRRP, SOL_SOCKET, OA_RW, OA_RW, OP_CONFIG, 0, sizeof (int), 0 }, 80 { SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 81 }, 82 { SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 83 0 }, 84 { SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 85 0 }, 86 { SO_MAC_IMPLICIT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 87 0 }, 88 /* 89 * The maximum size reported here depends on the maximum value for 90 * ucredsize; unfortunately, we can't add ucredsize here so we need 91 * to estimate here. Before it was 512 or 384 + NGROUPS_UMAX * sizeof (gid_t); 92 * as we're changing NGROUPS_UMAX we now codify this here using NGROUPS_UMAX. 93 */ 94 { SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT, 95 384 + NGROUPS_UMAX * sizeof (gid_t), 0 }, 96 { SO_EXCLBIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 97 { SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 98 { SO_PROTOTYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 99 100 { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 101 (OP_VARLEN|OP_NODEFAULT), 102 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 103 { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 104 (OP_VARLEN|OP_NODEFAULT), 105 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 106 107 { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 108 { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 109 { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 110 { IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 111 { IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 112 }, 113 { IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 114 { IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 115 { IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 116 { IP_RECVTOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 117 { IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 118 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 119 120 { IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 121 sizeof (uchar_t), -1 /* not initialized */}, 122 123 { IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 124 sizeof (uchar_t), -1 /* not initialized */ }, 125 126 { IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 127 sizeof (struct ip_mreq), -1 /* not initialized */ }, 128 129 { IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 130 sizeof (struct ip_mreq), -1 /* not initialized */ }, 131 132 { IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 133 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 134 135 { IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 136 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 137 138 { IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 139 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 140 141 { IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 142 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 143 144 { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 145 sizeof (ipsec_req_t), -1 /* not initialized */ }, 146 147 { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 148 sizeof (int), 0 /* no ifindex */ }, 149 150 { IP_DHCPINIT_IF, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 151 sizeof (int), 0 }, 152 153 { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, 154 sizeof (int), 0 }, 155 156 { IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 157 0 /* disabled */ }, 158 159 { IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 160 (OP_NODEFAULT|OP_VARLEN), 161 sizeof (struct in_pktinfo), -1 /* not initialized */ }, 162 { IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 163 sizeof (in_addr_t), -1 /* not initialized */ }, 164 165 { IP_DONTFRAG, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 166 167 { MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 168 OP_NODEFAULT, sizeof (struct group_req), 169 -1 /* not initialized */ }, 170 { MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 171 OP_NODEFAULT, sizeof (struct group_req), 172 -1 /* not initialized */ }, 173 { MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 174 OP_NODEFAULT, sizeof (struct group_source_req), 175 -1 /* not initialized */ }, 176 { MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 177 OP_NODEFAULT, sizeof (struct group_source_req), 178 -1 /* not initialized */ }, 179 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 180 OP_NODEFAULT, sizeof (struct group_source_req), 181 -1 /* not initialized */ }, 182 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 183 OP_NODEFAULT, sizeof (struct group_source_req), 184 -1 /* not initialized */ }, 185 186 { IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 187 sizeof (int), 0 }, 188 189 { IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 190 OP_DEF_FN, sizeof (int), -1 /* not initialized */ }, 191 192 { IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 193 OP_DEF_FN, sizeof (int), -1 /* not initialized */}, 194 195 { IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT, 196 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 197 198 { IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 199 OP_NODEFAULT, 200 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 201 202 { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 203 sizeof (int), -1 /* not initialized */ }, 204 205 { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 206 sizeof (int), 0 /* no ifindex */ }, 207 208 { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, 0, 209 sizeof (int), 0 }, 210 211 { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 212 (OP_NODEFAULT|OP_VARLEN), 213 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 214 { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 215 OP_NODEFAULT, 216 sizeof (int), -1 /* not initialized */ }, 217 { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 218 (OP_NODEFAULT|OP_VARLEN), 219 sizeof (sin6_t), -1 /* not initialized */ }, 220 { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 221 (OP_VARLEN|OP_NODEFAULT), 222 MAX_EHDR_LEN, -1 /* not initialized */ }, 223 { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 224 (OP_VARLEN|OP_NODEFAULT), 225 MAX_EHDR_LEN, -1 /* not initialized */ }, 226 { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 227 (OP_VARLEN|OP_NODEFAULT), 228 MAX_EHDR_LEN, -1 /* not initialized */ }, 229 { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 230 (OP_VARLEN|OP_NODEFAULT), 231 MAX_EHDR_LEN, -1 /* not initialized */ }, 232 { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 233 OP_NODEFAULT, 234 sizeof (int), -1 /* not initialized */ }, 235 { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 236 OP_NODEFAULT, 237 sizeof (struct ip6_mtuinfo), -1 }, 238 { IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 239 sizeof (int), 0 }, 240 { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 241 sizeof (int), 0 }, 242 { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 243 sizeof (int), 0 }, 244 245 { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 246 sizeof (int), 0 }, 247 { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 248 sizeof (int), 0 }, 249 { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 250 sizeof (int), 0 }, 251 { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 252 sizeof (int), 0 }, 253 { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 254 sizeof (int), 0 }, 255 { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 256 sizeof (int), 0 }, 257 { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 258 sizeof (int), 0 }, 259 { IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 260 0, sizeof (int), 0 }, 261 { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 262 sizeof (int), 0 }, 263 264 { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 265 sizeof (ipsec_req_t), -1 /* not initialized */ }, 266 { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 267 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 268 269 { MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 270 OP_NODEFAULT, sizeof (struct group_req), 271 -1 /* not initialized */ }, 272 { MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 273 OP_NODEFAULT, sizeof (struct group_req), 274 -1 /* not initialized */ }, 275 { MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 276 OP_NODEFAULT, sizeof (struct group_source_req), 277 -1 /* not initialized */ }, 278 { MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 279 OP_NODEFAULT, sizeof (struct group_source_req), 280 -1 /* not initialized */ }, 281 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 282 OP_NODEFAULT, sizeof (struct group_source_req), 283 -1 /* not initialized */ }, 284 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 285 OP_NODEFAULT, sizeof (struct group_source_req), 286 -1 /* not initialized */ }, 287 288 { UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, 0, 289 sizeof (int), 0 }, 290 { UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 291 }, 292 { UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 293 }, 294 { UDP_NAT_T_ENDPOINT, IPPROTO_UDP, OA_RW, OA_RW, OP_PRIVPORT, 0, sizeof (int), 295 0 }, 296 }; 297 298 /* 299 * Table of all supported levels 300 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 301 * any supported options so we need this info separately. 302 * 303 * This is needed only for topmost tpi providers and is used only by 304 * XTI interfaces. 305 */ 306 optlevel_t udp_valid_levels_arr[] = { 307 XTI_GENERIC, 308 SOL_SOCKET, 309 IPPROTO_UDP, 310 IPPROTO_IP, 311 IPPROTO_IPV6 312 }; 313 314 #define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr) 315 #define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr) 316 317 uint_t udp_max_optsize; /* initialized when UDP driver is loaded */ 318 319 /* 320 * Initialize option database object for UDP 321 * 322 * This object represents database of options to search passed to 323 * {sock,tpi}optcom_req() interface routine to take care of option 324 * management and associated methods. 325 */ 326 327 optdb_obj_t udp_opt_obj = { 328 udp_opt_default, /* UDP default value function pointer */ 329 udp_tpi_opt_get, /* UDP get function pointer */ 330 udp_tpi_opt_set, /* UDP set function pointer */ 331 UDP_OPT_ARR_CNT, /* UDP option database count of entries */ 332 udp_opt_arr, /* UDP option database */ 333 UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */ 334 udp_valid_levels_arr /* UDP valid level array */ 335 }; 336