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/*
* 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.
* Copyright 2015, Joyent, Inc.
* Copyright 2020 OmniOS Community Edition (OmniOSce) Association.
*/
#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, 0, sizeof (int), 0 },
{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0
},
{ SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 },
{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0,
sizeof (struct timeval), 0 },
{ SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0,
sizeof (struct timeval), 0 },
{ SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int),
0 },
{ SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0
},
{ SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int),
0 },
{ SO_VRRP, SOL_SOCKET, OA_RW, OA_RW, OP_CONFIG, 0, sizeof (int), 0 },
{ SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0
},
{ SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int),
0 },
{ SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int),
0 },
{ SO_MAC_IMPLICIT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int),
0 },
/*
* The maximum size reported here depends on the maximum value for
* ucredsize; unfortunately, we can't add ucredsize here so we need
* to estimate here. Before it was 512 or 384 + NGROUPS_UMAX * sizeof (gid_t);
* as we're changing NGROUPS_UMAX we now codify this here using NGROUPS_UMAX.
*/
{ SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT,
384 + NGROUPS_UMAX * sizeof (gid_t), 0 },
{ SO_EXCLBIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 },
{ SO_PROTOTYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 },
{ IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP,
(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_VARLEN|OP_NODEFAULT),
IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ },
{ IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0
},
{ IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_RECVTOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0,
sizeof (struct in_addr), 0 /* INADDR_ANY */ },
{ IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN,
sizeof (uchar_t), -1 /* not initialized */},
{ IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN,
sizeof (uchar_t), -1 /* not initialized */ },
{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,
sizeof (struct ip_mreq), -1 /* not initialized */ },
{ IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,
sizeof (struct ip_mreq), -1 /* not initialized */ },
{ IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,
sizeof (struct ip_mreq_source), -1 /* not initialized */ },
{ IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT,
sizeof (struct ip_mreq_source), -1 /* not initialized */ },
{ IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 },
{ IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 },
{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_NODEFAULT,
sizeof (ipsec_req_t), -1 /* not initialized */ },
{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 /* no ifindex */ },
{ IP_DHCPINIT_IF, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0,
sizeof (int), 0 },
{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0,
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_NODEFAULT|OP_VARLEN),
sizeof (struct in_pktinfo), -1 /* not initialized */ },
{ IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0,
sizeof (in_addr_t), -1 /* not initialized */ },
{ IP_DONTFRAG, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
OP_DEF_FN, sizeof (int), -1 /* not initialized */ },
{ IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
OP_DEF_FN, sizeof (int), -1 /* not initialized */},
{ IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT,
sizeof (struct ipv6_mreq), -1 /* not initialized */ },
{ IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT,
sizeof (struct ipv6_mreq), -1 /* not initialized */ },
{ IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN,
sizeof (int), -1 /* not initialized */ },
{ IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 /* no ifindex */ },
{ IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, 0,
sizeof (int), 0 },
{ IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_NODEFAULT|OP_VARLEN),
sizeof (struct in6_pktinfo), -1 /* not initialized */ },
{ IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
OP_NODEFAULT,
sizeof (int), -1 /* not initialized */ },
{ IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_NODEFAULT|OP_VARLEN),
sizeof (sin6_t), -1 /* not initialized */ },
{ IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_VARLEN|OP_NODEFAULT),
MAX_EHDR_LEN, -1 /* not initialized */ },
{ IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_VARLEN|OP_NODEFAULT),
MAX_EHDR_LEN, -1 /* not initialized */ },
{ IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_VARLEN|OP_NODEFAULT),
MAX_EHDR_LEN, -1 /* not initialized */ },
{ IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_VARLEN|OP_NODEFAULT),
MAX_EHDR_LEN, -1 /* not initialized */ },
{ IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
OP_NODEFAULT,
sizeof (int), -1 /* not initialized */ },
{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
OP_NODEFAULT,
sizeof (struct ip6_mtuinfo), -1 },
{ IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
0, sizeof (int), 0 },
{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (int), 0 },
{ IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_NODEFAULT,
sizeof (ipsec_req_t), -1 /* not initialized */ },
{ IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0,
sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT },
{ MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
OP_NODEFAULT, sizeof (struct group_source_req),
-1 /* not initialized */ },
{ UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, 0,
sizeof (int), 0 },
{ UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, 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 },
{ UDP_SRCPORT_HASH, IPPROTO_UDP, OA_R, OA_RW, OP_CONFIG, 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 */
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 */
};
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