| /* |
| * 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 <sys/types.h> |
| #include <sys/stream.h> |
| #define _SUN_TPI_VERSION 2 |
| #include <sys/tihdr.h> |
| #include <sys/socket.h> |
| #include <sys/xti_xtiopt.h> |
| #include <sys/xti_inet.h> |
| |
| #include <inet/common.h> |
| #include <netinet/ip6.h> |
| #include <inet/ip.h> |
| #include <inet/udp_impl.h> |
| /* |
| * 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 <net/if.h> |
| #include <inet/ip6.h> |
| |
| #include <netinet/in.h> |
| #include <netinet/udp.h> |
| #include <inet/optcom.h> |
| |
| /* |
| * 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_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 */ |
| }; |