/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include #include #define _SUN_TPI_VERSION 2 #include #include #include #include #include #include #include #include /* * MK_XXX Following 2 includes temporary to import ip6_rthdr_t * definition. May not be needed if we fix ip6_dg_snd_attrs_t * to do all extension headers in identical manner. */ #include #include #include #include #include /* * Table of all known options handled on a UDP protocol stack. * * Note: This table contains options processed by both UDP and IP levels * and is the superset of options that can be performed on a UDP over IP * stack. */ opdes_t udp_opt_arr[] = { { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (struct timeval), 0 }, { SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (struct timeval), 0 }, { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, OP_PASSNEXT, sizeof (int), 0 }, { SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT, 512, 0 }, { SO_EXCLBIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { SO_PROTOTYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (struct in_addr), 0 /* INADDR_ANY */ }, { IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), sizeof (uchar_t), -1 /* not initialized */}, { IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), sizeof (uchar_t), -1 /* not initialized */ }, { IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq), -1 /* not initialized */ }, { IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq), -1 /* not initialized */ }, { IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 /* not initialized */ }, { IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 /* not initialized */ }, { IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, { IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (ipsec_req_t), -1 /* not initialized */ }, { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 /* no ifindex */ }, { IP_DHCPINIT_IF, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, OP_PASSNEXT, sizeof (int), 0 }, { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, sizeof (int), 0 }, { IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 0 /* disabled */ }, { IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), sizeof (struct in_pktinfo), -1 /* not initialized */ }, { IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, OP_PASSNEXT, sizeof (in_addr_t), -1 /* not initialized */ }, { MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), -1 /* not initialized */ }, { MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), -1 /* not initialized */ }, { MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, { IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */}, { IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ipv6_mreq), -1 /* not initialized */ }, { IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ipv6_mreq), -1 /* not initialized */ }, { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 /* no ifindex */ }, { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), sizeof (struct in6_pktinfo), -1 /* not initialized */ }, { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (int), -1 /* not initialized */ }, { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), sizeof (sin6_t), -1 /* not initialized */ }, { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), MAX_EHDR_LEN, -1 /* not initialized */ }, { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), MAX_EHDR_LEN, -1 /* not initialized */ }, { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), MAX_EHDR_LEN, -1 /* not initialized */ }, { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), MAX_EHDR_LEN, -1 /* not initialized */ }, { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (int), -1 /* not initialized */ }, { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (int), -1 /* not initialized */ }, { IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (ipsec_req_t), -1 /* not initialized */ }, { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, { MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), -1 /* not initialized */ }, { MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), -1 /* not initialized */ }, { MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), -1 /* not initialized */ }, { UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT, sizeof (int), 0 }, { UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, { UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, { UDP_NAT_T_ENDPOINT, IPPROTO_UDP, OA_RW, OA_RW, OP_PRIVPORT, 0, sizeof (int), 0 }, }; /* * Table of all supported levels * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have * any supported options so we need this info separately. * * This is needed only for topmost tpi providers and is used only by * XTI interfaces. */ optlevel_t udp_valid_levels_arr[] = { XTI_GENERIC, SOL_SOCKET, IPPROTO_UDP, IPPROTO_IP, IPPROTO_IPV6 }; #define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr) #define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr) uint_t udp_max_optsize; /* initialized when UDP driver is loaded */ /* * Initialize option database object for UDP * * This object represents database of options to search passed to * {sock,tpi}optcom_req() interface routine to take care of option * management and associated methods. */ optdb_obj_t udp_opt_obj = { udp_opt_default, /* UDP default value function pointer */ udp_tpi_opt_get, /* UDP get function pointer */ udp_tpi_opt_set, /* UDP set function pointer */ B_TRUE, /* UDP is tpi provider */ UDP_OPT_ARR_CNT, /* UDP option database count of entries */ udp_opt_arr, /* UDP option database */ UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */ udp_valid_levels_arr /* UDP valid level array */ };