/* * 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 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. */ #ifndef _INET_IPCLASSIFIER_H #define _INET_IPCLASSIFIER_H #ifdef __cplusplus extern "C" { #endif #include #include #include #include #include #include /* for IPPROTO_* constants */ #include #include #include #include typedef void (*edesc_rpf)(void *, mblk_t *, void *, ip_recv_attr_t *); struct icmph_s; struct icmp6_hdr; typedef boolean_t (*edesc_vpf)(conn_t *, void *, struct icmph_s *, struct icmp6_hdr *, ip_recv_attr_t *); /* * ============================== * = The CONNECTION = * ============================== */ /* * The connection structure contains the common information/flags/ref needed. * Implementation will keep the connection struct, the layers (with their * respective data for event i.e. tcp_t if event was tcp_input_data) all in one * contiguous memory location. */ /* Conn Flags */ /* Unused 0x00020000 */ /* Unused 0x00040000 */ #define IPCL_FULLY_BOUND 0x00080000 /* Bound to correct squeue */ /* Unused 0x00100000 */ /* Unused 0x00200000 */ /* Unused 0x00400000 */ #define IPCL_CL_LISTENER 0x00800000 /* Cluster listener */ /* Unused 0x01000000 */ /* Unused 0x02000000 */ /* Unused 0x04000000 */ /* Unused 0x08000000 */ /* Unused 0x10000000 */ /* Unused 0x20000000 */ #define IPCL_CONNECTED 0x40000000 /* Conn in connected table */ #define IPCL_BOUND 0x80000000 /* Conn in bind table */ /* Flags identifying the type of conn */ #define IPCL_TCPCONN 0x00000001 /* From tcp_conn_cache */ #define IPCL_SCTPCONN 0x00000002 /* From sctp_conn_cache */ #define IPCL_IPCCONN 0x00000004 /* From ip_conn_cache */ #define IPCL_UDPCONN 0x00000008 /* From udp_conn_cache */ #define IPCL_RAWIPCONN 0x00000010 /* From rawip_conn_cache */ #define IPCL_RTSCONN 0x00000020 /* From rts_conn_cache */ /* Unused 0x00000040 */ #define IPCL_IPTUN 0x00000080 /* iptun module above us */ #define IPCL_NONSTR 0x00001000 /* A non-STREAMS socket */ /* Unused 0x10000000 */ #define IPCL_REMOVED 0x00000100 #define IPCL_REUSED 0x00000200 #define IPCL_IS_CONNECTED(connp) \ ((connp)->conn_flags & IPCL_CONNECTED) #define IPCL_IS_BOUND(connp) \ ((connp)->conn_flags & IPCL_BOUND) /* * Can't use conn_proto since we need to tell difference * between a real TCP socket and a SOCK_RAW, IPPROTO_TCP. */ #define IPCL_IS_TCP(connp) \ ((connp)->conn_flags & IPCL_TCPCONN) #define IPCL_IS_SCTP(connp) \ ((connp)->conn_flags & IPCL_SCTPCONN) #define IPCL_IS_UDP(connp) \ ((connp)->conn_flags & IPCL_UDPCONN) #define IPCL_IS_RAWIP(connp) \ ((connp)->conn_flags & IPCL_RAWIPCONN) #define IPCL_IS_RTS(connp) \ ((connp)->conn_flags & IPCL_RTSCONN) #define IPCL_IS_IPTUN(connp) \ ((connp)->conn_flags & IPCL_IPTUN) #define IPCL_IS_NONSTR(connp) ((connp)->conn_flags & IPCL_NONSTR) typedef struct connf_s connf_t; typedef struct { int ctb_depth; #define CONN_STACK_DEPTH 15 pc_t ctb_stack[CONN_STACK_DEPTH]; } conn_trace_t; typedef struct ip_helper_minor_info_s { dev_t ip_minfo_dev; /* Device */ vmem_t *ip_minfo_arena; /* Arena */ } ip_helper_minfo_t; /* * ip helper stream info */ typedef struct ip_helper_stream_info_s { ldi_handle_t iphs_handle; queue_t *iphs_rq; queue_t *iphs_wq; ip_helper_minfo_t *iphs_minfo; } ip_helper_stream_info_t; /* * Mandatory Access Control mode, in conn_t's conn_mac_mode field. * CONN_MAC_DEFAULT: strict enforcement of MAC. * CONN_MAC_AWARE: allows communications between unlabeled systems * and privileged daemons * CONN_MAC_IMPLICIT: allows communications without explicit labels * on the wire with privileged daemons. * * CONN_MAC_IMPLICIT is intended specifically for labeled IPsec key management * in networks which don't pass CIPSO-labeled packets. */ #define CONN_MAC_DEFAULT 0 #define CONN_MAC_AWARE 1 #define CONN_MAC_IMPLICIT 2 /* * conn receive ancillary definition. * * These are the set of socket options that make the receive side * potentially pass up ancillary data items. * We have a union with an integer so that we can quickly check whether * any ancillary data items need to be added. */ typedef struct crb_s { union { uint32_t crbu_all; struct { uint32_t crbb_recvdstaddr : 1, /* IP_RECVDSTADDR option */ crbb_recvopts : 1, /* IP_RECVOPTS option */ crbb_recvif : 1, /* IP_RECVIF option */ crbb_recvslla : 1, /* IP_RECVSLLA option */ crbb_recvttl : 1, /* IP_RECVTTL option */ crbb_recvtos : 1, /* IP_RECVTOS option */ crbb_ip_recvpktinfo : 1, /* IP*_RECVPKTINFO option */ crbb_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ crbb_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ crbb_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ crbb_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ crbb_old_ipv6_recvdstopts : 1, /* old form of IPV6_DSTOPTS */ crbb_ipv6_recvrthdrdstopts : 1, /* IPV6_RECVRTHDRDSTOPTS */ crbb_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS */ crbb_recvucred : 1, /* IP_RECVUCRED option */ crbb_timestamp : 1; /* SO_TIMESTAMP "socket" option */ } crbb; } crbu; } crb_t; #define crb_all crbu.crbu_all #define crb_recvdstaddr crbu.crbb.crbb_recvdstaddr #define crb_recvopts crbu.crbb.crbb_recvopts #define crb_recvif crbu.crbb.crbb_recvif #define crb_recvslla crbu.crbb.crbb_recvslla #define crb_recvttl crbu.crbb.crbb_recvttl #define crb_recvtos crbu.crbb.crbb_recvtos #define crb_ip_recvpktinfo crbu.crbb.crbb_ip_recvpktinfo #define crb_ipv6_recvhoplimit crbu.crbb.crbb_ipv6_recvhoplimit #define crb_ipv6_recvhopopts crbu.crbb.crbb_ipv6_recvhopopts #define crb_ipv6_recvdstopts crbu.crbb.crbb_ipv6_recvdstopts #define crb_ipv6_recvrthdr crbu.crbb.crbb_ipv6_recvrthdr #define crb_old_ipv6_recvdstopts crbu.crbb.crbb_old_ipv6_recvdstopts #define crb_ipv6_recvrthdrdstopts crbu.crbb.crbb_ipv6_recvrthdrdstopts #define crb_ipv6_recvtclass crbu.crbb.crbb_ipv6_recvtclass #define crb_recvucred crbu.crbb.crbb_recvucred #define crb_timestamp crbu.crbb.crbb_timestamp /* * The initial fields in the conn_t are setup by the kmem_cache constructor, * and are preserved when it is freed. Fields after that are bzero'ed when * the conn_t is freed. * * Much of the conn_t is protected by conn_lock. * * conn_lock is also used by some ULPs (like UDP and RAWIP) to protect * their state. */ struct conn_s { kmutex_t conn_lock; uint32_t conn_ref; /* Reference counter */ uint32_t conn_flags; /* Conn Flags */ union { tcp_t *cp_tcp; /* Pointer to the tcp struct */ struct udp_s *cp_udp; /* Pointer to the udp struct */ struct icmp_s *cp_icmp; /* Pointer to rawip struct */ struct rts_s *cp_rts; /* Pointer to rts struct */ struct iptun_s *cp_iptun; /* Pointer to iptun_t */ struct sctp_s *cp_sctp; /* For IPCL_SCTPCONN */ void *cp_priv; } conn_proto_priv; #define conn_tcp conn_proto_priv.cp_tcp #define conn_udp conn_proto_priv.cp_udp #define conn_icmp conn_proto_priv.cp_icmp #define conn_rts conn_proto_priv.cp_rts #define conn_iptun conn_proto_priv.cp_iptun #define conn_sctp conn_proto_priv.cp_sctp #define conn_priv conn_proto_priv.cp_priv kcondvar_t conn_cv; uint8_t conn_proto; /* protocol type */ edesc_rpf conn_recv; /* Pointer to recv routine */ edesc_rpf conn_recvicmp; /* For ICMP error */ edesc_vpf conn_verifyicmp; /* Verify ICMP error */ ip_xmit_attr_t *conn_ixa; /* Options if no ancil data */ /* Fields after this are bzero'ed when the conn_t is freed. */ #define conn_start_clr conn_recv_ancillary /* Options for receive-side ancillary data */ crb_t conn_recv_ancillary; squeue_t *conn_sqp; /* Squeue for processing */ uint_t conn_state_flags; /* IP state flags */ int conn_lingertime; /* linger time (in seconds) */ unsigned int conn_on_sqp : 1, /* Conn is being processed */ conn_linger : 1, /* SO_LINGER state */ conn_useloopback : 1, /* SO_USELOOPBACK state */ conn_broadcast : 1, /* SO_BROADCAST state */ conn_reuseaddr : 1, /* SO_REUSEADDR state */ conn_keepalive : 1, /* SO_KEEPALIVE state */ conn_multi_router : 1, /* Wants all multicast pkts */ conn_unspec_src : 1, /* IP_UNSPEC_SRC */ conn_policy_cached : 1, /* Is policy cached/latched ? */ conn_in_enforce_policy : 1, /* Enforce Policy on inbound */ conn_out_enforce_policy : 1, /* Enforce Policy on outbound */ conn_debug : 1, /* SO_DEBUG */ conn_ipv6_v6only : 1, /* IPV6_V6ONLY */ conn_oobinline : 1, /* SO_OOBINLINE state */ conn_dgram_errind : 1, /* SO_DGRAM_ERRIND state */ conn_exclbind : 1, /* SO_EXCLBIND state */ conn_mdt_ok : 1, /* MDT is permitted */ conn_allzones : 1, /* SO_ALLZONES */ conn_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU */ conn_mcbc_bind : 1, /* Bound to multi/broadcast */ conn_pad_to_bit_31 : 12; boolean_t conn_blocked; /* conn is flow-controlled */ squeue_t *conn_initial_sqp; /* Squeue at open time */ squeue_t *conn_final_sqp; /* Squeue after connect */ ill_t *conn_dhcpinit_ill; /* IP_DHCPINIT_IF */ ipsec_latch_t *conn_latch; /* latched IDS */ struct ipsec_policy_s *conn_latch_in_policy; /* latched policy (in) */ struct ipsec_action_s *conn_latch_in_action; /* latched action (in) */ uint_t conn_bound_if; /* IP*_BOUND_IF */ queue_t *conn_rq; /* Read queue */ queue_t *conn_wq; /* Write queue */ dev_t conn_dev; /* Minor number */ vmem_t *conn_minor_arena; /* Minor arena */ ip_helper_stream_info_t *conn_helper_info; cred_t *conn_cred; /* Credentials */ pid_t conn_cpid; /* pid from open/connect */ uint64_t conn_open_time; /* time when this was opened */ connf_t *conn_g_fanout; /* Global Hash bucket head */ struct conn_s *conn_g_next; /* Global Hash chain next */ struct conn_s *conn_g_prev; /* Global Hash chain prev */ struct ipsec_policy_head_s *conn_policy; /* Configured policy */ in6_addr_t conn_bound_addr_v6; /* Address in bind() */ #define conn_bound_addr_v4 V4_PART_OF_V6(conn_bound_addr_v6) connf_t *conn_fanout; /* Hash bucket we're part of */ struct conn_s *conn_next; /* Hash chain next */ struct conn_s *conn_prev; /* Hash chain prev */ struct { in6_addr_t connua_laddr; /* Local address - match */ in6_addr_t connua_faddr; /* Remote address */ } connua_v6addr; #define conn_laddr_v4 V4_PART_OF_V6(connua_v6addr.connua_laddr) #define conn_faddr_v4 V4_PART_OF_V6(connua_v6addr.connua_faddr) #define conn_laddr_v6 connua_v6addr.connua_laddr #define conn_faddr_v6 connua_v6addr.connua_faddr in6_addr_t conn_saddr_v6; /* Local address - source */ #define conn_saddr_v4 V4_PART_OF_V6(conn_saddr_v6) union { /* Used for classifier match performance */ uint32_t connu_ports2; struct { in_port_t connu_fport; /* Remote port */ in_port_t connu_lport; /* Local port */ } connu_ports; } u_port; #define conn_fport u_port.connu_ports.connu_fport #define conn_lport u_port.connu_ports.connu_lport #define conn_ports u_port.connu_ports2 uint_t conn_incoming_ifindex; /* IP{,V6}_BOUND_IF, scopeid */ ill_t *conn_oper_pending_ill; /* pending shared ioctl */ krwlock_t conn_ilg_lock; /* Protects conn_ilg_* */ ilg_t *conn_ilg; /* Group memberships */ kcondvar_t conn_refcv; /* For conn_oper_pending_ill */ struct conn_s *conn_drain_next; /* Next conn in drain list */ struct conn_s *conn_drain_prev; /* Prev conn in drain list */ idl_t *conn_idl; /* Ptr to the drain list head */ mblk_t *conn_ipsec_opt_mp; /* ipsec option mblk */ zoneid_t conn_zoneid; /* zone connection is in */ int conn_rtaware; /* RT_AWARE sockopt value */ kcondvar_t conn_sq_cv; /* For non-STREAMS socket IO */ sock_upcalls_t *conn_upcalls; /* Upcalls to sockfs */ sock_upper_handle_t conn_upper_handle; /* Upper handle: sonode * */ unsigned int conn_mlp_type : 2, /* mlp_type_t; tsol/tndb.h */ conn_anon_mlp : 1, /* user wants anon MLP */ conn_anon_port : 1, /* user bound anonymously */ conn_mac_mode : 2, /* normal/loose/implicit MAC */ conn_anon_priv_bind : 1, /* *_ANON_PRIV_BIND state */ conn_zone_is_global : 1, /* GLOBAL_ZONEID */ conn_isvrrp : 1, /* VRRP control socket */ conn_spare : 23; boolean_t conn_flow_cntrld; netstack_t *conn_netstack; /* Corresponds to a netstack_hold */ /* * IP format that packets received for this struct should use. * Value can be IP4_VERSION or IPV6_VERSION. * The sending version is encoded using IXAF_IS_IPV4. */ ushort_t conn_ipversion; /* Written to only once at the time of opening the endpoint */ sa_family_t conn_family; /* Family from socket() call */ uint_t conn_so_type; /* Type from socket() call */ uint_t conn_sndbuf; /* SO_SNDBUF state */ uint_t conn_rcvbuf; /* SO_RCVBUF state */ uint_t conn_wroff; /* Current write offset */ uint_t conn_sndlowat; /* Send buffer low water mark */ uint_t conn_rcvlowat; /* Recv buffer low water mark */ uint8_t conn_default_ttl; /* Default TTL/hoplimit */ uint8_t conn_min_ttl; /* IP_MINTTL+IPV6_MINHOPLIMIT */ uint32_t conn_flowinfo; /* Connected flow id and tclass */ /* * The most recent address for sendto. Initially set to zero * which is always different than then the destination address * since the send interprets zero as the loopback address. */ in6_addr_t conn_v6lastdst; #define conn_v4lastdst V4_PART_OF_V6(conn_v6lastdst) ushort_t conn_lastipversion; in_port_t conn_lastdstport; uint32_t conn_lastflowinfo; /* IPv6-only */ uint_t conn_lastscopeid; /* IPv6-only */ uint_t conn_lastsrcid; /* Only for AF_INET6 */ /* * When we are not connected conn_saddr might be unspecified. * We track the source that was used with conn_v6lastdst here. */ in6_addr_t conn_v6lastsrc; #define conn_v4lastsrc V4_PART_OF_V6(conn_v6lastsrc) /* Templates for transmitting packets */ ip_pkt_t conn_xmit_ipp; /* Options if no ancil data */ /* * Header template - conn_ht_ulp is a pointer into conn_ht_iphc. * Note that ixa_ip_hdr_length indicates the offset of ht_ulp in * ht_iphc * * The header template is maintained for connected endpoints (and * updated when sticky options are changed) and also for the lastdst. * There is no conflict between those usages since SOCK_DGRAM and * SOCK_RAW can not be used to specify a destination address (with * sendto/sendmsg) if the socket has been connected. */ uint8_t *conn_ht_iphc; /* Start of IP header */ uint_t conn_ht_iphc_allocated; /* Allocated buffer size */ uint_t conn_ht_iphc_len; /* IP+ULP size */ uint8_t *conn_ht_ulp; /* Upper-layer header */ uint_t conn_ht_ulp_len; /* ULP header len */ /* Checksum to compensate for source routed packets. Host byte order */ uint32_t conn_sum; uint32_t conn_ioctlref; /* ioctl ref count */ #ifdef CONN_DEBUG #define CONN_TRACE_MAX 10 int conn_trace_last; /* ndx of last used tracebuf */ conn_trace_t conn_trace_buf[CONN_TRACE_MAX]; #endif }; /* * connf_t - connection fanout data. * * The hash tables and their linkage (conn_t.{hashnextp, hashprevp} are * protected by the per-bucket lock. Each conn_t inserted in the list * points back at the connf_t that heads the bucket. */ struct connf_s { struct conn_s *connf_head; kmutex_t connf_lock; }; #define CONN_INC_REF(connp) { \ mutex_enter(&(connp)->conn_lock); \ DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ ASSERT(conn_trace_ref(connp)); \ (connp)->conn_ref++; \ ASSERT((connp)->conn_ref != 0); \ mutex_exit(&(connp)->conn_lock); \ } #define CONN_INC_REF_LOCKED(connp) { \ DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ ASSERT(MUTEX_HELD(&(connp)->conn_lock)); \ ASSERT(conn_trace_ref(connp)); \ (connp)->conn_ref++; \ ASSERT((connp)->conn_ref != 0); \ } #define CONN_DEC_REF(connp) { \ mutex_enter(&(connp)->conn_lock); \ DTRACE_PROBE1(conn__dec__ref, conn_t *, connp); \ /* \ * The squeue framework always does a CONN_DEC_REF after return \ * from TCP. Hence the refcnt must be at least 2 if conn_on_sqp \ * is B_TRUE and conn_ref is being decremented. This is to \ * account for the mblk being currently processed. \ */ \ if ((connp)->conn_ref == 0 || \ ((connp)->conn_ref == 1 && (connp)->conn_on_sqp)) \ cmn_err(CE_PANIC, "CONN_DEC_REF: connp(%p) has ref " \ "= %d\n", (void *)(connp), (connp)->conn_ref); \ ASSERT(conn_untrace_ref(connp)); \ (connp)->conn_ref--; \ if ((connp)->conn_ref == 0) { \ /* Refcnt can't increase again, safe to drop lock */ \ mutex_exit(&(connp)->conn_lock); \ ipcl_conn_destroy(connp); \ } else { \ cv_broadcast(&(connp)->conn_cv); \ mutex_exit(&(connp)->conn_lock); \ } \ } /* * For use with subsystems within ip which use ALL_ZONES as a wildcard */ #define IPCL_ZONEID(connp) \ ((connp)->conn_allzones ? ALL_ZONES : (connp)->conn_zoneid) /* * For matching between a conn_t and a zoneid. */ #define IPCL_ZONE_MATCH(connp, zoneid) \ (((connp)->conn_allzones) || \ ((zoneid) == ALL_ZONES) || \ (connp)->conn_zoneid == (zoneid)) /* * On a labeled system, we must treat bindings to ports * on shared IP addresses by sockets with MAC exemption * privilege as being in all zones, as there's * otherwise no way to identify the right receiver. */ #define IPCL_CONNS_MAC(conn1, conn2) \ (((conn1)->conn_mac_mode != CONN_MAC_DEFAULT) || \ ((conn2)->conn_mac_mode != CONN_MAC_DEFAULT)) #define IPCL_BIND_ZONE_MATCH(conn1, conn2) \ (IPCL_CONNS_MAC(conn1, conn2) || \ IPCL_ZONE_MATCH(conn1, conn2->conn_zoneid) || \ IPCL_ZONE_MATCH(conn2, conn1->conn_zoneid)) #define _IPCL_V4_MATCH(v6addr, v4addr) \ (V4_PART_OF_V6((v6addr)) == (v4addr) && IN6_IS_ADDR_V4MAPPED(&(v6addr))) #define _IPCL_V4_MATCH_ANY(addr) \ (IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) || IN6_IS_ADDR_UNSPECIFIED(&(addr))) /* * IPCL_PROTO_MATCH() and IPCL_PROTO_MATCH_V6() only matches conns with * the specified ira_zoneid or conn_allzones by calling conn_wantpacket. */ #define IPCL_PROTO_MATCH(connp, ira, ipha) \ ((((connp)->conn_laddr_v4 == INADDR_ANY) || \ (((connp)->conn_laddr_v4 == ((ipha)->ipha_dst)) && \ (((connp)->conn_faddr_v4 == INADDR_ANY) || \ ((connp)->conn_faddr_v4 == ((ipha)->ipha_src))))) && \ conn_wantpacket((connp), (ira), (ipha))) #define IPCL_PROTO_MATCH_V6(connp, ira, ip6h) \ ((IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \ (IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &((ip6h)->ip6_dst)) && \ (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_faddr_v6) || \ IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &((ip6h)->ip6_src))))) && \ (conn_wantpacket_v6((connp), (ira), (ip6h)))) #define IPCL_CONN_HASH(src, ports, ipst) \ ((unsigned)(ntohl((src)) ^ ((ports) >> 24) ^ ((ports) >> 16) ^ \ ((ports) >> 8) ^ (ports)) % (ipst)->ips_ipcl_conn_fanout_size) #define IPCL_CONN_HASH_V6(src, ports, ipst) \ IPCL_CONN_HASH(V4_PART_OF_V6((src)), (ports), (ipst)) #define IPCL_CONN_MATCH(connp, proto, src, dst, ports) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_ports == (ports) && \ _IPCL_V4_MATCH((connp)->conn_faddr_v6, (src)) && \ _IPCL_V4_MATCH((connp)->conn_laddr_v6, (dst)) && \ !(connp)->conn_ipv6_v6only) #define IPCL_CONN_MATCH_V6(connp, proto, src, dst, ports) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_ports == (ports) && \ IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &(src)) && \ IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(dst))) #define IPCL_PORT_HASH(port, size) \ ((((port) >> 8) ^ (port)) & ((size) - 1)) #define IPCL_BIND_HASH(lport, ipst) \ ((unsigned)(((lport) >> 8) ^ (lport)) % \ (ipst)->ips_ipcl_bind_fanout_size) #define IPCL_BIND_MATCH(connp, proto, laddr, lport) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_lport == (lport) && \ (_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \ _IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr))) && \ !(connp)->conn_ipv6_v6only) #define IPCL_BIND_MATCH_V6(connp, proto, laddr, lport) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_lport == (lport) && \ (IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr)) || \ IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6))) /* * We compare conn_laddr since it captures both connected and a bind to * a multicast or broadcast address. * The caller needs to match the zoneid and also call conn_wantpacket * for multicast, broadcast, or when conn_incoming_ifindex is set. */ #define IPCL_UDP_MATCH(connp, lport, laddr, fport, faddr) \ (((connp)->conn_lport == (lport)) && \ ((_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \ (_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr)) && \ (_IPCL_V4_MATCH_ANY((connp)->conn_faddr_v6) || \ (_IPCL_V4_MATCH((connp)->conn_faddr_v6, (faddr)) && \ (connp)->conn_fport == (fport)))))) && \ !(connp)->conn_ipv6_v6only) /* * We compare conn_laddr since it captures both connected and a bind to * a multicast or broadcast address. * The caller needs to match the zoneid and also call conn_wantpacket_v6 * for multicast or when conn_incoming_ifindex is set. */ #define IPCL_UDP_MATCH_V6(connp, lport, laddr, fport, faddr) \ (((connp)->conn_lport == (lport)) && \ (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \ (IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr)) && \ (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_faddr_v6) || \ (IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &(faddr)) && \ (connp)->conn_fport == (fport)))))) #define IPCL_IPTUN_HASH(laddr, faddr) \ ((ntohl(laddr) ^ ((ntohl(faddr) << 24) | (ntohl(faddr) >> 8))) % \ ipcl_iptun_fanout_size) #define IPCL_IPTUN_HASH_V6(laddr, faddr) \ IPCL_IPTUN_HASH((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3], \ (faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) #define IPCL_IPTUN_MATCH(connp, laddr, faddr) \ (_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr)) && \ _IPCL_V4_MATCH((connp)->conn_faddr_v6, (faddr))) #define IPCL_IPTUN_MATCH_V6(connp, laddr, faddr) \ (IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, (laddr)) && \ IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, (faddr))) #define IPCL_UDP_HASH(lport, ipst) \ IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_udp_fanout_size) #define CONN_G_HASH_SIZE 1024 /* Raw socket hash function. */ #define IPCL_RAW_HASH(lport, ipst) \ IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_raw_fanout_size) /* * This is similar to IPCL_BIND_MATCH except that the local port check * is changed to a wildcard port check. * We compare conn_laddr since it captures both connected and a bind to * a multicast or broadcast address. */ #define IPCL_RAW_MATCH(connp, proto, laddr) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_lport == 0 && \ (_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \ _IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr)))) #define IPCL_RAW_MATCH_V6(connp, proto, laddr) \ ((connp)->conn_proto == (proto) && \ (connp)->conn_lport == 0 && \ (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \ IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr)))) /* Function prototypes */ extern void ipcl_g_init(void); extern void ipcl_init(ip_stack_t *); extern void ipcl_g_destroy(void); extern void ipcl_destroy(ip_stack_t *); extern conn_t *ipcl_conn_create(uint32_t, int, netstack_t *); extern void ipcl_conn_destroy(conn_t *); void ipcl_hash_insert_wildcard(connf_t *, conn_t *); void ipcl_hash_remove(conn_t *); void ipcl_hash_remove_locked(conn_t *connp, connf_t *connfp); extern int ipcl_bind_insert(conn_t *); extern int ipcl_bind_insert_v4(conn_t *); extern int ipcl_bind_insert_v6(conn_t *); extern int ipcl_conn_insert(conn_t *); extern int ipcl_conn_insert_v4(conn_t *); extern int ipcl_conn_insert_v6(conn_t *); extern conn_t *ipcl_get_next_conn(connf_t *, conn_t *, uint32_t); conn_t *ipcl_classify_v4(mblk_t *, uint8_t, uint_t, ip_recv_attr_t *, ip_stack_t *); conn_t *ipcl_classify_v6(mblk_t *, uint8_t, uint_t, ip_recv_attr_t *, ip_stack_t *); conn_t *ipcl_classify(mblk_t *, ip_recv_attr_t *, ip_stack_t *); conn_t *ipcl_classify_raw(mblk_t *, uint8_t, uint32_t, ipha_t *, ip6_t *, ip_recv_attr_t *, ip_stack_t *); conn_t *ipcl_iptun_classify_v4(ipaddr_t *, ipaddr_t *, ip_stack_t *); conn_t *ipcl_iptun_classify_v6(in6_addr_t *, in6_addr_t *, ip_stack_t *); void ipcl_globalhash_insert(conn_t *); void ipcl_globalhash_remove(conn_t *); void ipcl_walk(pfv_t, void *, ip_stack_t *); conn_t *ipcl_tcp_lookup_reversed_ipv4(ipha_t *, tcpha_t *, int, ip_stack_t *); conn_t *ipcl_tcp_lookup_reversed_ipv6(ip6_t *, tcpha_t *, int, uint_t, ip_stack_t *); conn_t *ipcl_lookup_listener_v4(uint16_t, ipaddr_t, zoneid_t, ip_stack_t *); conn_t *ipcl_lookup_listener_v6(uint16_t, in6_addr_t *, uint_t, zoneid_t, ip_stack_t *); int conn_trace_ref(conn_t *); int conn_untrace_ref(conn_t *); void ipcl_conn_cleanup(conn_t *); extern uint_t conn_recvancillary_size(conn_t *, crb_t, ip_recv_attr_t *, mblk_t *, ip_pkt_t *); extern void conn_recvancillary_add(conn_t *, crb_t, ip_recv_attr_t *, ip_pkt_t *, uchar_t *, uint_t); conn_t *ipcl_conn_tcp_lookup_reversed_ipv4(conn_t *, ipha_t *, tcpha_t *, ip_stack_t *); conn_t *ipcl_conn_tcp_lookup_reversed_ipv6(conn_t *, ip6_t *, tcpha_t *, ip_stack_t *); extern int ip_create_helper_stream(conn_t *, ldi_ident_t); extern void ip_free_helper_stream(conn_t *); extern int ip_helper_stream_setup(queue_t *, dev_t *, int, int, cred_t *, boolean_t); extern mib2_socketInfoEntry_t *conn_get_socket_info(conn_t *, mib2_socketInfoEntry_t *); #ifdef __cplusplus } #endif #endif /* _INET_IPCLASSIFIER_H */