4851 lines
125 KiB
C
4851 lines
125 KiB
C
/*-
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* Copyright (c) 2001-2006, Cisco Systems, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ipsec.h"
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#include "opt_inet6.h"
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#include "opt_inet.h"
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#include "opt_sctp.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/domain.h>
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#include <sys/proc.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/syslog.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_var.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip6.h>
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#include <netinet/in_pcb.h>
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#include <netinet/in_var.h>
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#include <netinet/ip_var.h>
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#include <netinet6/ip6_var.h>
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#include <netinet6/in6_var.h>
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#include <netinet6/scope6_var.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/icmp_var.h>
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#include <netinet/sctp_os.h>
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#include <netinet/sctp_pcb.h>
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#include <netinet/sctp_header.h>
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#include <netinet/sctp_var.h>
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#include <netinet/sctp_output.h>
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#include <netinet/sctp_bsd_addr.h>
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#include <netinet/sctp_uio.h>
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#include <netinet/sctp_asconf.h>
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#include <netinet/sctputil.h>
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#include <netinet/sctp_indata.h>
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#include <netinet/sctp_asconf.h>
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#include <netinet/sctp_timer.h>
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#include <netinet/sctp_auth.h>
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#ifdef IPSEC
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#include <netinet6/ipsec.h>
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#include <netkey/key.h>
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#endif /* IPSEC */
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#ifndef in6pcb
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#define in6pcb inpcb
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#endif
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#ifndef sotoin6pcb
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#define sotoin6pcb sotoinpcb
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#endif
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/*
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* sysctl tunable variables
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*/
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int sctp_sendspace = (128 * 1024);
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int sctp_recvspace = 128 * (1024 +
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#ifdef INET6
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sizeof(struct sockaddr_in6)
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#else
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sizeof(struct sockaddr_in)
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#endif
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);
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int sctp_mbuf_threshold_count = SCTP_DEFAULT_MBUFS_IN_CHAIN;
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int sctp_auto_asconf = SCTP_DEFAULT_AUTO_ASCONF;
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int sctp_ecn_enable = 1;
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int sctp_ecn_nonce = 0;
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int sctp_strict_sacks = 0;
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int sctp_no_csum_on_loopback = 1;
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int sctp_strict_init = 1;
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int sctp_abort_if_one_2_one_hits_limit = 0;
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int sctp_strict_data_order = 0;
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int sctp_peer_chunk_oh = sizeof(struct mbuf);
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int sctp_max_burst_default = SCTP_DEF_MAX_BURST;
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int sctp_use_cwnd_based_maxburst = 1;
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int sctp_do_drain = 1;
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int sctp_warm_the_crc32_table = 0;
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unsigned int sctp_max_chunks_on_queue = SCTP_ASOC_MAX_CHUNKS_ON_QUEUE;
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unsigned int sctp_delayed_sack_time_default = SCTP_RECV_MSEC;
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unsigned int sctp_heartbeat_interval_default = SCTP_HB_DEFAULT_MSEC;
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unsigned int sctp_pmtu_raise_time_default = SCTP_DEF_PMTU_RAISE_SEC;
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unsigned int sctp_shutdown_guard_time_default = SCTP_DEF_MAX_SHUTDOWN_SEC;
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unsigned int sctp_secret_lifetime_default = SCTP_DEFAULT_SECRET_LIFE_SEC;
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unsigned int sctp_rto_max_default = SCTP_RTO_UPPER_BOUND;
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unsigned int sctp_rto_min_default = SCTP_RTO_LOWER_BOUND;
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unsigned int sctp_rto_initial_default = SCTP_RTO_INITIAL;
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unsigned int sctp_init_rto_max_default = SCTP_RTO_UPPER_BOUND;
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unsigned int sctp_valid_cookie_life_default = SCTP_DEFAULT_COOKIE_LIFE;
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unsigned int sctp_init_rtx_max_default = SCTP_DEF_MAX_INIT;
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unsigned int sctp_assoc_rtx_max_default = SCTP_DEF_MAX_SEND;
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unsigned int sctp_path_rtx_max_default = SCTP_DEF_MAX_PATH_RTX;
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unsigned int sctp_nr_outgoing_streams_default = SCTP_OSTREAM_INITIAL;
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unsigned int sctp_add_more_threshold = SCTP_DEFAULT_ADD_MORE;
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uint32_t sctp_asoc_free_resc_limit = SCTP_DEF_ASOC_RESC_LIMIT;
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uint32_t sctp_system_free_resc_limit = SCTP_DEF_SYSTEM_RESC_LIMIT;
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int sctp_min_split_point = SCTP_DEFAULT_SPLIT_POINT_MIN;
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int sctp_pcbtblsize = SCTP_PCBHASHSIZE;
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int sctp_hashtblsize = SCTP_TCBHASHSIZE;
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int sctp_chunkscale = SCTP_CHUNKQUEUE_SCALE;
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unsigned int sctp_cmt_on_off = 0;
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unsigned int sctp_cmt_sockopt_on_off = 0;
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unsigned int sctp_cmt_use_dac = 0;
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unsigned int sctp_cmt_sockopt_use_dac = 0;
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int sctp_L2_abc_variable = 1;
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unsigned int sctp_early_fr = 0;
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unsigned int sctp_early_fr_msec = SCTP_MINFR_MSEC_TIMER;
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unsigned int sctp_use_rttvar_cc = 0;
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int sctp_says_check_for_deadlock = 0;
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unsigned int sctp_asconf_auth_nochk = 0;
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unsigned int sctp_auth_disable = 0;
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unsigned int sctp_auth_random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT;
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unsigned int sctp_auth_hmac_id_default = SCTP_AUTH_HMAC_ID_SHA1;
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struct sctpstat sctpstat;
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#ifdef SCTP_DEBUG
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extern uint32_t sctp_debug_on;
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#endif /* SCTP_DEBUG */
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void
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sctp_init(void)
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{
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/* Init the SCTP pcb in sctp_pcb.c */
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u_long sb_max_adj;
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sctp_pcb_init();
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if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
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sctp_max_chunks_on_queue = (nmbclusters / 8);
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/*
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* Allow a user to take no more than 1/2 the number of clusters or
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* the SB_MAX whichever is smaller for the send window.
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*/
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sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
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sctp_sendspace = min((min(SB_MAX, sb_max_adj)),
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((nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
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/*
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* Now for the recv window, should we take the same amount? or
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* should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
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* now I will just copy.
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*/
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sctp_recvspace = sctp_sendspace;
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}
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#ifdef INET6
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void
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ip_2_ip6_hdr(struct ip6_hdr *ip6, struct ip *ip)
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{
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bzero(ip6, sizeof(*ip6));
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ip6->ip6_vfc = IPV6_VERSION;
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ip6->ip6_plen = ip->ip_len;
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ip6->ip6_nxt = ip->ip_p;
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ip6->ip6_hlim = ip->ip_ttl;
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ip6->ip6_src.s6_addr32[2] = ip6->ip6_dst.s6_addr32[2] =
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IPV6_ADDR_INT32_SMP;
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ip6->ip6_src.s6_addr32[3] = ip->ip_src.s_addr;
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ip6->ip6_dst.s6_addr32[3] = ip->ip_dst.s_addr;
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}
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#endif /* INET6 */
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static void
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sctp_pathmtu_adustment(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_nets *net,
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uint16_t nxtsz)
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{
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struct sctp_tmit_chunk *chk;
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/* Adjust that too */
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stcb->asoc.smallest_mtu = nxtsz;
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/* now off to subtract IP_DF flag if needed */
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TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
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if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
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chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
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}
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}
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TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
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if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
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/*
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* For this guy we also mark for immediate resend
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* since we sent to big of chunk
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*/
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chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
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if (chk->sent != SCTP_DATAGRAM_RESEND) {
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sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
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}
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chk->sent = SCTP_DATAGRAM_RESEND;
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chk->rec.data.doing_fast_retransmit = 0;
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/* Clear any time so NO RTT is being done */
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chk->do_rtt = 0;
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if (stcb->asoc.total_flight >= chk->book_size)
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stcb->asoc.total_flight -= chk->book_size;
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else
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stcb->asoc.total_flight = 0;
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if (stcb->asoc.total_flight_count > 0)
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stcb->asoc.total_flight_count--;
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if (net->flight_size >= chk->book_size)
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net->flight_size -= chk->book_size;
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else
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net->flight_size = 0;
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}
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}
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}
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static void
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sctp_notify_mbuf(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_nets *net,
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struct ip *ip,
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struct sctphdr *sh)
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{
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struct icmp *icmph;
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int totsz, tmr_stopped = 0;
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uint16_t nxtsz;
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/* protection */
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if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
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(ip == NULL) || (sh == NULL)) {
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if (stcb != NULL)
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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/* First job is to verify the vtag matches what I would send */
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if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
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sizeof(struct ip)));
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if (icmph->icmp_type != ICMP_UNREACH) {
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/* We only care about unreachable */
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
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/* not a unreachable message due to frag. */
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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totsz = ip->ip_len;
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nxtsz = ntohs(icmph->icmp_seq);
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if (nxtsz == 0) {
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/*
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* old type router that does not tell us what the next size
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* mtu is. Rats we will have to guess (in a educated fashion
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* of course)
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*/
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nxtsz = find_next_best_mtu(totsz);
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}
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/* Stop any PMTU timer */
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if (callout_pending(&net->pmtu_timer.timer)) {
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tmr_stopped = 1;
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sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
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}
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/* Adjust destination size limit */
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if (net->mtu > nxtsz) {
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net->mtu = nxtsz;
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}
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/* now what about the ep? */
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if (stcb->asoc.smallest_mtu > nxtsz) {
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sctp_pathmtu_adustment(inp, stcb, net, nxtsz);
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}
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if (tmr_stopped)
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sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
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SCTP_TCB_UNLOCK(stcb);
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}
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void
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sctp_notify(struct sctp_inpcb *inp,
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int errno,
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struct sctphdr *sh,
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struct sockaddr *to,
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struct sctp_tcb *stcb,
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struct sctp_nets *net)
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{
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/* protection */
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if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
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(sh == NULL) || (to == NULL)) {
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return;
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}
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/* First job is to verify the vtag matches what I would send */
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if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
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return;
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}
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/* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */
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if ((errno == EHOSTUNREACH) || /* Host is not reachable */
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(errno == EHOSTDOWN) || /* Host is down */
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(errno == ECONNREFUSED) || /* Host refused the connection, (not
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* an abort?) */
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(errno == ENOPROTOOPT) /* SCTP is not present on host */
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) {
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/*
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* Hmm reachablity problems we must examine closely. If its
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* not reachable, we may have lost a network. Or if there is
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* NO protocol at the other end named SCTP. well we consider
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* it a OOTB abort.
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*/
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if ((errno == EHOSTUNREACH) || (errno == EHOSTDOWN)) {
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if (net->dest_state & SCTP_ADDR_REACHABLE) {
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/* Ok that destination is NOT reachable */
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net->dest_state &= ~SCTP_ADDR_REACHABLE;
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net->dest_state |= SCTP_ADDR_NOT_REACHABLE;
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net->error_count = net->failure_threshold + 1;
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sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
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stcb, SCTP_FAILED_THRESHOLD,
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(void *)net);
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}
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if (stcb)
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SCTP_TCB_UNLOCK(stcb);
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} else {
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/*
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* Here the peer is either playing tricks on us,
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* including an address that belongs to someone who
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* does not support SCTP OR was a userland
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* implementation that shutdown and now is dead. In
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* either case treat it like a OOTB abort with no
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* TCB
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*/
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sctp_abort_notification(stcb, SCTP_PEER_FAULTY);
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sctp_free_assoc(inp, stcb, 0);
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/* no need to unlock here, since the TCB is gone */
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}
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} else {
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/* Send all others to the app */
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if (stcb)
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SCTP_TCB_UNLOCK(stcb);
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if (inp->sctp_socket) {
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#ifdef SCTP_LOCK_LOGGING
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sctp_log_lock(inp, stcb, SCTP_LOG_LOCK_SOCK);
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#endif
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SOCK_LOCK(inp->sctp_socket);
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inp->sctp_socket->so_error = errno;
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sctp_sowwakeup(inp, inp->sctp_socket);
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SOCK_UNLOCK(inp->sctp_socket);
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}
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}
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}
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void
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sctp_ctlinput(cmd, sa, vip)
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int cmd;
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struct sockaddr *sa;
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void *vip;
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{
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struct ip *ip = vip;
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struct sctphdr *sh;
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int s;
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if (sa->sa_family != AF_INET ||
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((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
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return;
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}
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if (PRC_IS_REDIRECT(cmd)) {
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ip = 0;
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} else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
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return;
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}
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if (ip) {
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struct sctp_inpcb *inp = NULL;
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struct sctp_tcb *stcb = NULL;
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struct sctp_nets *net = NULL;
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struct sockaddr_in to, from;
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sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
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bzero(&to, sizeof(to));
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bzero(&from, sizeof(from));
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from.sin_family = to.sin_family = AF_INET;
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from.sin_len = to.sin_len = sizeof(to);
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from.sin_port = sh->src_port;
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from.sin_addr = ip->ip_src;
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to.sin_port = sh->dest_port;
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to.sin_addr = ip->ip_dst;
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|
|
/*
|
|
* 'to' holds the dest of the packet that failed to be sent.
|
|
* 'from' holds our local endpoint address. Thus we reverse
|
|
* the to and the from in the lookup.
|
|
*/
|
|
s = splnet();
|
|
stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from,
|
|
(struct sockaddr *)&to,
|
|
&inp, &net, 1);
|
|
if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
|
|
if (cmd != PRC_MSGSIZE) {
|
|
int cm;
|
|
|
|
if (cmd == PRC_HOSTDEAD) {
|
|
cm = EHOSTUNREACH;
|
|
} else {
|
|
cm = inetctlerrmap[cmd];
|
|
}
|
|
sctp_notify(inp, cm, sh,
|
|
(struct sockaddr *)&to, stcb,
|
|
net);
|
|
} else {
|
|
/* handle possible ICMP size messages */
|
|
sctp_notify_mbuf(inp, stcb, net, ip, sh);
|
|
}
|
|
} else {
|
|
if ((stcb == NULL) && (inp != NULL)) {
|
|
/* reduce ref-count */
|
|
SCTP_INP_WLOCK(inp);
|
|
SCTP_INP_DECR_REF(inp);
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
splx(s);
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
sctp_getcred(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct sockaddr_in addrs[2];
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_nets *net;
|
|
struct sctp_tcb *stcb;
|
|
int error, s;
|
|
|
|
error = suser(req->td);
|
|
if (error)
|
|
return (error);
|
|
error = SYSCTL_IN(req, addrs, sizeof(addrs));
|
|
if (error)
|
|
return (error);
|
|
|
|
s = splnet();
|
|
stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]),
|
|
sintosa(&addrs[1]),
|
|
&inp, &net, 1);
|
|
if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
|
|
if ((inp != NULL) && (stcb == NULL)) {
|
|
/* reduce ref-count */
|
|
SCTP_INP_WLOCK(inp);
|
|
SCTP_INP_DECR_REF(inp);
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
error = ENOENT;
|
|
goto out;
|
|
}
|
|
error = SYSCTL_OUT(req, inp->sctp_socket->so_cred, sizeof(struct ucred));
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
out:
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
|
|
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
|
|
0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
|
|
|
|
|
|
/*
|
|
* sysctl definitions
|
|
*/
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, sendspace, CTLFLAG_RW,
|
|
&sctp_sendspace, 0, "Maximum outgoing SCTP buffer size");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, recvspace, CTLFLAG_RW,
|
|
&sctp_recvspace, 0, "Maximum incoming SCTP buffer size");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, auto_asconf, CTLFLAG_RW,
|
|
&sctp_auto_asconf, 0, "Enable SCTP Auto-ASCONF");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_enable, CTLFLAG_RW,
|
|
&sctp_ecn_enable, 0, "Enable SCTP ECN");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLFLAG_RW,
|
|
&sctp_ecn_nonce, 0, "Enable SCTP ECN Nonce");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_sacks, CTLFLAG_RW,
|
|
&sctp_strict_sacks, 0, "Enable SCTP Strict SACK checking");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLFLAG_RW,
|
|
&sctp_no_csum_on_loopback, 0,
|
|
"Enable NO Csum on packets sent on loopback");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_init, CTLFLAG_RW,
|
|
&sctp_strict_init, 0,
|
|
"Enable strict INIT/INIT-ACK singleton enforcement");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLFLAG_RW,
|
|
&sctp_peer_chunk_oh, 0,
|
|
"Amount to debit peers rwnd per chunk sent");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, maxburst, CTLFLAG_RW,
|
|
&sctp_max_burst_default, 0,
|
|
"Default max burst for sctp endpoints");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, maxchunks, CTLFLAG_RW,
|
|
&sctp_max_chunks_on_queue, 0,
|
|
"Default max chunks on queue per asoc");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLFLAG_RW,
|
|
&sctp_hashtblsize, 0,
|
|
"Tuneable for Hash table sizes");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, min_split_point, CTLFLAG_RW,
|
|
&sctp_min_split_point, 0,
|
|
"Minimum size when splitting a chunk");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLFLAG_RW,
|
|
&sctp_pcbtblsize, 0,
|
|
"Tuneable for PCB Hash table sizes");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, sys_resource, CTLFLAG_RW,
|
|
&sctp_system_free_resc_limit, 0,
|
|
"Max number of cached resources in the system");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, asoc_resource, CTLFLAG_RW,
|
|
&sctp_asoc_free_resc_limit, 0,
|
|
"Max number of cached resources in an asoc");
|
|
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, chunkscale, CTLFLAG_RW,
|
|
&sctp_chunkscale, 0,
|
|
"Tuneable for Scaling of number of chunks and messages");
|
|
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLFLAG_RW,
|
|
&sctp_delayed_sack_time_default, 0,
|
|
"Default delayed SACK timer in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLFLAG_RW,
|
|
&sctp_heartbeat_interval_default, 0,
|
|
"Default heartbeat interval in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLFLAG_RW,
|
|
&sctp_pmtu_raise_time_default, 0,
|
|
"Default PMTU raise timer in sec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLFLAG_RW,
|
|
&sctp_shutdown_guard_time_default, 0,
|
|
"Default shutdown guard timer in sec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLFLAG_RW,
|
|
&sctp_secret_lifetime_default, 0,
|
|
"Default secret lifetime in sec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_max, CTLFLAG_RW,
|
|
&sctp_rto_max_default, 0,
|
|
"Default maximum retransmission timeout in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_min, CTLFLAG_RW,
|
|
&sctp_rto_min_default, 0,
|
|
"Default minimum retransmission timeout in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_initial, CTLFLAG_RW,
|
|
&sctp_rto_initial_default, 0,
|
|
"Default initial retransmission timeout in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rto_max, CTLFLAG_RW,
|
|
&sctp_init_rto_max_default, 0,
|
|
"Default maximum retransmission timeout during association setup in msec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLFLAG_RW,
|
|
&sctp_valid_cookie_life_default, 0,
|
|
"Default cookie lifetime in sec");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLFLAG_RW,
|
|
&sctp_init_rtx_max_default, 0,
|
|
"Default maximum number of retransmission for INIT chunks");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLFLAG_RW,
|
|
&sctp_assoc_rtx_max_default, 0,
|
|
"Default maximum number of retransmissions per association");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLFLAG_RW,
|
|
&sctp_path_rtx_max_default, 0,
|
|
"Default maximum of retransmissions per path");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLFLAG_RW,
|
|
&sctp_add_more_threshold, 0,
|
|
"When space wise is it worthwhile to try to add more to a socket send buffer");
|
|
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, nr_outgoing_streams, CTLFLAG_RW,
|
|
&sctp_nr_outgoing_streams_default, 0,
|
|
"Default number of outgoing streams");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLFLAG_RW,
|
|
&sctp_cmt_on_off, 0,
|
|
"CMT ON/OFF flag");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLFLAG_RW,
|
|
&sctp_use_cwnd_based_maxburst, 0,
|
|
"Use a CWND adjusting maxburst");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLFLAG_RW,
|
|
&sctp_early_fr, 0,
|
|
"Early Fast Retransmit with Timer");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, use_rttvar_congctrl, CTLFLAG_RW,
|
|
&sctp_use_rttvar_cc, 0,
|
|
"Use congestion control via rtt variation");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, deadlock_detect, CTLFLAG_RW,
|
|
&sctp_says_check_for_deadlock, 0,
|
|
"SMP Deadlock detection on/off");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLFLAG_RW,
|
|
&sctp_early_fr_msec, 0,
|
|
"Early Fast Retransmit minimum timer value");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLFLAG_RW,
|
|
&sctp_asconf_auth_nochk, 0,
|
|
"Disable SCTP ASCONF AUTH requirement");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_disable, CTLFLAG_RW,
|
|
&sctp_auth_disable, 0,
|
|
"Disable SCTP AUTH chunk requirement/function");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_random_len, CTLFLAG_RW,
|
|
&sctp_auth_random_len, 0,
|
|
"Length of AUTH RANDOMs");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_hmac_id, CTLFLAG_RW,
|
|
&sctp_auth_hmac_id_default, 0,
|
|
"Default HMAC Id for SCTP AUTHenthication");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, abc_l_var, CTLFLAG_RW,
|
|
&sctp_L2_abc_variable, 0,
|
|
"SCTP ABC max increase per SACK (L)");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLFLAG_RW,
|
|
&sctp_mbuf_threshold_count, 0,
|
|
"Default max number of small mbufs on a chain");
|
|
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLFLAG_RW,
|
|
&sctp_cmt_use_dac, 0,
|
|
"CMT DAC ON/OFF flag");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLFLAG_RW,
|
|
&sctp_do_drain, 0,
|
|
"Should SCTP respond to the drain calls");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, warm_crc_table, CTLFLAG_RW,
|
|
&sctp_warm_the_crc32_table, 0,
|
|
"Should the CRC32c tables be warmed before checksum?");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLFLAG_RW,
|
|
&sctp_abort_if_one_2_one_hits_limit, 0,
|
|
"When one-2-one hits qlimit abort");
|
|
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_data_order, CTLFLAG_RW,
|
|
&sctp_strict_data_order, 0,
|
|
"Enforce strict data ordering, abort if control inside data");
|
|
|
|
SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW,
|
|
&sctpstat, sctpstat,
|
|
"SCTP statistics (struct sctps_stat, netinet/sctp.h");
|
|
#ifdef SCTP_DEBUG
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, debug, CTLFLAG_RW,
|
|
&sctp_debug_on, 0, "Configure debug output");
|
|
#endif /* SCTP_DEBUG */
|
|
|
|
static void
|
|
sctp_abort(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int s;
|
|
uint32_t flags;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return;
|
|
|
|
s = splnet();
|
|
sctp_must_try_again:
|
|
flags = inp->sctp_flags;
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 17);
|
|
#endif
|
|
if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
|
|
(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 16);
|
|
#endif
|
|
sctp_inpcb_free(inp, 1, 0);
|
|
SOCK_LOCK(so);
|
|
so->so_snd.sb_cc = 0;
|
|
so->so_snd.sb_mb = NULL;
|
|
so->so_snd.sb_mbcnt = 0;
|
|
|
|
/*
|
|
* same for the rcv ones, they are only here for the
|
|
* accounting/select.
|
|
*/
|
|
so->so_rcv.sb_cc = 0;
|
|
so->so_rcv.sb_mb = NULL;
|
|
so->so_rcv.sb_mbcnt = 0;
|
|
/*
|
|
* Now null out the reference, we are completely detached.
|
|
*/
|
|
so->so_pcb = NULL;
|
|
SOCK_UNLOCK(so);
|
|
|
|
} else {
|
|
flags = inp->sctp_flags;
|
|
if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
|
|
goto sctp_must_try_again;
|
|
}
|
|
}
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
static int
|
|
sctp_attach(struct socket *so, int proto, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
struct inpcb *ip_inp;
|
|
int s, error;
|
|
|
|
#ifdef IPSEC
|
|
uint32_t flags;
|
|
|
|
#endif
|
|
s = splnet();
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp != 0) {
|
|
splx(s);
|
|
return EINVAL;
|
|
}
|
|
error = soreserve(so, sctp_sendspace, sctp_recvspace);
|
|
if (error) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
error = sctp_inpcb_alloc(so);
|
|
if (error) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
SCTP_INP_WLOCK(inp);
|
|
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
|
|
ip_inp = &inp->ip_inp.inp;
|
|
ip_inp->inp_vflag |= INP_IPV4;
|
|
ip_inp->inp_ip_ttl = ip_defttl;
|
|
|
|
#ifdef IPSEC
|
|
error = ipsec_init_pcbpolicy(so, &ip_inp->inp_sp);
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 17);
|
|
#endif
|
|
if (error != 0) {
|
|
flags = inp->sctp_flags;
|
|
if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
|
|
(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 15);
|
|
#endif
|
|
sctp_inpcb_free(inp, 1, 0);
|
|
}
|
|
return error;
|
|
}
|
|
#endif /* IPSEC */
|
|
SCTP_INP_WUNLOCK(inp);
|
|
splx(s);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int s, error;
|
|
|
|
#ifdef INET6
|
|
if (addr && addr->sa_family != AF_INET)
|
|
/* must be a v4 address! */
|
|
return EINVAL;
|
|
#endif /* INET6 */
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return EINVAL;
|
|
|
|
s = splnet();
|
|
error = sctp_inpcb_bind(so, addr, p);
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
sctp_close(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
uint32_t flags;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return;
|
|
|
|
/*
|
|
* Inform all the lower layer assoc that we are done.
|
|
*/
|
|
sctp_must_try_again:
|
|
flags = inp->sctp_flags;
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 17);
|
|
#endif
|
|
if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
|
|
(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
|
|
if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
|
|
(so->so_rcv.sb_cc > 0)) {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 13);
|
|
#endif
|
|
sctp_inpcb_free(inp, 1, 1);
|
|
} else {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 14);
|
|
#endif
|
|
sctp_inpcb_free(inp, 0, 1);
|
|
}
|
|
/*
|
|
* The socket is now detached, no matter what the state of
|
|
* the SCTP association.
|
|
*/
|
|
SOCK_LOCK(so);
|
|
so->so_snd.sb_cc = 0;
|
|
so->so_snd.sb_mb = NULL;
|
|
so->so_snd.sb_mbcnt = 0;
|
|
|
|
/*
|
|
* same for the rcv ones, they are only here for the
|
|
* accounting/select.
|
|
*/
|
|
so->so_rcv.sb_cc = 0;
|
|
so->so_rcv.sb_mb = NULL;
|
|
so->so_rcv.sb_mbcnt = 0;
|
|
/*
|
|
* Now null out the reference, we are completely detached.
|
|
*/
|
|
so->so_pcb = NULL;
|
|
SOCK_UNLOCK(so);
|
|
} else {
|
|
flags = inp->sctp_flags;
|
|
if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
|
|
goto sctp_must_try_again;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
int
|
|
sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
|
|
struct mbuf *control, struct thread *p);
|
|
|
|
|
|
int
|
|
sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
|
|
struct mbuf *control, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int error;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
sctp_m_freem(m);
|
|
return EINVAL;
|
|
}
|
|
/* Got to have an to address if we are NOT a connected socket */
|
|
if ((addr == NULL) &&
|
|
((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))
|
|
) {
|
|
goto connected_type;
|
|
} else if (addr == NULL) {
|
|
error = EDESTADDRREQ;
|
|
sctp_m_freem(m);
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
return (error);
|
|
}
|
|
#ifdef INET6
|
|
if (addr->sa_family != AF_INET) {
|
|
/* must be a v4 address! */
|
|
sctp_m_freem(m);
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
error = EDESTADDRREQ;
|
|
return EINVAL;
|
|
}
|
|
#endif /* INET6 */
|
|
connected_type:
|
|
/* now what about control */
|
|
if (control) {
|
|
if (inp->control) {
|
|
printf("huh? control set?\n");
|
|
sctp_m_freem(inp->control);
|
|
inp->control = NULL;
|
|
}
|
|
inp->control = control;
|
|
}
|
|
/* add it in possibly */
|
|
if ((inp->pkt) && (inp->pkt->m_flags & M_PKTHDR)) {
|
|
struct mbuf *x;
|
|
int c_len;
|
|
|
|
c_len = 0;
|
|
/* How big is it */
|
|
for (x = m; x; x = x->m_next) {
|
|
c_len += x->m_len;
|
|
}
|
|
inp->pkt->m_pkthdr.len += c_len;
|
|
}
|
|
/* Place the data */
|
|
if (inp->pkt) {
|
|
inp->pkt_last->m_next = m;
|
|
inp->pkt_last = m;
|
|
} else {
|
|
inp->pkt_last = inp->pkt = m;
|
|
}
|
|
if (
|
|
/* FreeBSD uses a flag passed */
|
|
((flags & PRUS_MORETOCOME) == 0)
|
|
) {
|
|
/*
|
|
* note with the current version this code will only be used
|
|
* by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
|
|
* re-defining sosend to use the sctp_sosend. One can
|
|
* optionally switch back to this code (by changing back the
|
|
* definitions) but this is not advisable. This code is used
|
|
* by FreeBSD when sending a file with sendfile() though.
|
|
*/
|
|
int ret;
|
|
|
|
ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
|
|
inp->pkt = NULL;
|
|
inp->control = NULL;
|
|
return (ret);
|
|
} else {
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
static int
|
|
sctp_disconnect(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int s;
|
|
|
|
s = splnet();
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == NULL) {
|
|
splx(s);
|
|
return (ENOTCONN);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
if (LIST_EMPTY(&inp->sctp_asoc_list)) {
|
|
/* No connection */
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
} else {
|
|
struct sctp_association *asoc;
|
|
struct sctp_tcb *stcb;
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (EINVAL);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
asoc = &stcb->asoc;
|
|
if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
|
|
/* We are about to be freed, out of here */
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
}
|
|
if (((so->so_options & SO_LINGER) &&
|
|
(so->so_linger == 0)) ||
|
|
(so->so_rcv.sb_cc > 0)) {
|
|
if (SCTP_GET_STATE(asoc) !=
|
|
SCTP_STATE_COOKIE_WAIT) {
|
|
/* Left with Data unread */
|
|
struct mbuf *err;
|
|
|
|
err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA);
|
|
if (err) {
|
|
/*
|
|
* Fill in the user
|
|
* initiated abort
|
|
*/
|
|
struct sctp_paramhdr *ph;
|
|
|
|
ph = mtod(err, struct sctp_paramhdr *);
|
|
err->m_len = sizeof(struct sctp_paramhdr);
|
|
ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(err->m_len);
|
|
}
|
|
sctp_send_abort_tcb(stcb, err);
|
|
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
sctp_free_assoc(inp, stcb, 0);
|
|
/* No unlock tcb assoc is gone */
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->stream_queue_cnt == 0)) {
|
|
/* there is nothing queued to send, so done */
|
|
if (asoc->locked_on_sending) {
|
|
goto abort_anyway;
|
|
}
|
|
if ((SCTP_GET_STATE(asoc) !=
|
|
SCTP_STATE_SHUTDOWN_SENT) &&
|
|
(SCTP_GET_STATE(asoc) !=
|
|
SCTP_STATE_SHUTDOWN_ACK_SENT)) {
|
|
/* only send SHUTDOWN 1st time thru */
|
|
sctp_stop_timers_for_shutdown(stcb);
|
|
sctp_send_shutdown(stcb,
|
|
stcb->asoc.primary_destination);
|
|
sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3);
|
|
asoc->state = SCTP_STATE_SHUTDOWN_SENT;
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
}
|
|
} else {
|
|
/*
|
|
* we still got (or just got) data to send,
|
|
* so set SHUTDOWN_PENDING
|
|
*/
|
|
/*
|
|
* XXX sockets draft says that SCTP_EOF
|
|
* should be sent with no data. currently,
|
|
* we will allow user data to be sent first
|
|
* and move to SHUTDOWN-PENDING
|
|
*/
|
|
asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
if (asoc->locked_on_sending) {
|
|
/* Locked to send out the data */
|
|
struct sctp_stream_queue_pending *sp;
|
|
|
|
sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
|
|
if (sp == NULL) {
|
|
printf("Error, sp is NULL, locked on sending is non-null strm:%d\n",
|
|
asoc->locked_on_sending->stream_no);
|
|
} else {
|
|
if ((sp->length == 0) && (sp->msg_is_complete == 0))
|
|
asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
|
|
}
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
|
|
struct mbuf *op_err;
|
|
|
|
abort_anyway:
|
|
op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
|
|
0, M_DONTWAIT, 1, MT_DATA);
|
|
if (op_err) {
|
|
/*
|
|
* Fill in the user
|
|
* initiated abort
|
|
*/
|
|
struct sctp_paramhdr *ph;
|
|
uint32_t *ippp;
|
|
|
|
op_err->m_len =
|
|
(sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
|
|
ph = mtod(op_err,
|
|
struct sctp_paramhdr *);
|
|
ph->param_type = htons(
|
|
SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(op_err->m_len);
|
|
ippp = (uint32_t *) (ph + 1);
|
|
*ippp = htonl(0x30000007);
|
|
}
|
|
sctp_send_abort_tcb(stcb, op_err);
|
|
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
|
|
if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
sctp_free_assoc(inp, stcb, 0);
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
/* not reached */
|
|
} else {
|
|
/* UDP model does not support this */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
splx(s);
|
|
return EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
int
|
|
sctp_shutdown(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int s;
|
|
|
|
s = splnet();
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
splx(s);
|
|
return EINVAL;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
/* For UDP model this is a invalid call */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
/* Restore the flags that the soshutdown took away. */
|
|
so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
|
|
/* This proc will wakeup for read and do nothing (I hope) */
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (EOPNOTSUPP);
|
|
}
|
|
/*
|
|
* Ok if we reach here its the TCP model and it is either a SHUT_WR
|
|
* or SHUT_RDWR. This means we put the shutdown flag against it.
|
|
*/
|
|
{
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_association *asoc;
|
|
|
|
socantsendmore(so);
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
/*
|
|
* Ok we hit the case that the shutdown call was
|
|
* made after an abort or something. Nothing to do
|
|
* now.
|
|
*/
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
asoc = &stcb->asoc;
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->stream_queue_cnt == 0)) {
|
|
if (asoc->locked_on_sending) {
|
|
goto abort_anyway;
|
|
}
|
|
/* there is nothing queued to send, so I'm done... */
|
|
if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
|
|
/* only send SHUTDOWN the first time through */
|
|
sctp_stop_timers_for_shutdown(stcb);
|
|
sctp_send_shutdown(stcb,
|
|
stcb->asoc.primary_destination);
|
|
sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3);
|
|
asoc->state = SCTP_STATE_SHUTDOWN_SENT;
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
}
|
|
} else {
|
|
/*
|
|
* we still got (or just got) data to send, so set
|
|
* SHUTDOWN_PENDING
|
|
*/
|
|
asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
|
|
if (asoc->locked_on_sending) {
|
|
/* Locked to send out the data */
|
|
struct sctp_stream_queue_pending *sp;
|
|
|
|
sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
|
|
if (sp == NULL) {
|
|
printf("Error, sp is NULL, locked on sending is non-null strm:%d\n",
|
|
asoc->locked_on_sending->stream_no);
|
|
} else {
|
|
if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
|
|
asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
|
|
}
|
|
}
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
|
|
struct mbuf *op_err;
|
|
|
|
abort_anyway:
|
|
op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
|
|
0, M_DONTWAIT, 1, MT_DATA);
|
|
if (op_err) {
|
|
/* Fill in the user initiated abort */
|
|
struct sctp_paramhdr *ph;
|
|
uint32_t *ippp;
|
|
|
|
op_err->m_len =
|
|
sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
|
|
ph = mtod(op_err,
|
|
struct sctp_paramhdr *);
|
|
ph->param_type = htons(
|
|
SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(op_err->m_len);
|
|
ippp = (uint32_t *) (ph + 1);
|
|
*ippp = htonl(0x30000008);
|
|
}
|
|
sctp_abort_an_association(stcb->sctp_ep, stcb,
|
|
SCTP_RESPONSE_TO_USER_REQ,
|
|
op_err);
|
|
goto skip_unlock;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
skip_unlock:
|
|
SCTP_INP_RUNLOCK(inp);
|
|
splx(s);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* copies a "user" presentable address and removes embedded scope, etc.
|
|
* returns 0 on success, 1 on error
|
|
*/
|
|
static uint32_t
|
|
sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
|
|
{
|
|
struct sockaddr_in6 lsa6;
|
|
|
|
sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
|
|
&lsa6);
|
|
memcpy(ss, sa, sa->sa_len);
|
|
return (0);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
sctp_fill_up_addresses(struct sctp_inpcb *inp,
|
|
struct sctp_tcb *stcb,
|
|
int limit,
|
|
struct sockaddr_storage *sas)
|
|
{
|
|
struct ifnet *ifn;
|
|
struct ifaddr *ifa;
|
|
int loopback_scope, ipv4_local_scope, local_scope, site_scope, actual;
|
|
int ipv4_addr_legal, ipv6_addr_legal;
|
|
|
|
actual = 0;
|
|
if (limit <= 0)
|
|
return (actual);
|
|
|
|
if (stcb) {
|
|
/* Turn on all the appropriate scope */
|
|
loopback_scope = stcb->asoc.loopback_scope;
|
|
ipv4_local_scope = stcb->asoc.ipv4_local_scope;
|
|
local_scope = stcb->asoc.local_scope;
|
|
site_scope = stcb->asoc.site_scope;
|
|
} else {
|
|
/* Turn on ALL scope, since we look at the EP */
|
|
loopback_scope = ipv4_local_scope = local_scope =
|
|
site_scope = 1;
|
|
}
|
|
ipv4_addr_legal = ipv6_addr_legal = 0;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ipv6_addr_legal = 1;
|
|
if (
|
|
(((struct in6pcb *)inp)->inp_flags & IN6P_IPV6_V6ONLY)
|
|
== 0) {
|
|
ipv4_addr_legal = 1;
|
|
}
|
|
} else {
|
|
ipv4_addr_legal = 1;
|
|
}
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
TAILQ_FOREACH(ifn, &ifnet, if_list) {
|
|
if ((loopback_scope == 0) &&
|
|
(ifn->if_type == IFT_LOOP)) {
|
|
/* Skip loopback if loopback_scope not set */
|
|
continue;
|
|
}
|
|
TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) {
|
|
if (stcb) {
|
|
/*
|
|
* For the BOUND-ALL case, the list
|
|
* associated with a TCB is Always
|
|
* considered a reverse list.. i.e.
|
|
* it lists addresses that are NOT
|
|
* part of the association. If this
|
|
* is one of those we must skip it.
|
|
*/
|
|
if (sctp_is_addr_restricted(stcb,
|
|
ifa->ifa_addr)) {
|
|
continue;
|
|
}
|
|
}
|
|
if ((ifa->ifa_addr->sa_family == AF_INET) &&
|
|
(ipv4_addr_legal)) {
|
|
struct sockaddr_in *sin;
|
|
|
|
sin = (struct sockaddr_in *)ifa->ifa_addr;
|
|
if (sin->sin_addr.s_addr == 0) {
|
|
/*
|
|
* we skip unspecifed
|
|
* addresses
|
|
*/
|
|
continue;
|
|
}
|
|
if ((ipv4_local_scope == 0) &&
|
|
(IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
|
|
continue;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) {
|
|
in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
|
|
actual += sizeof(sizeof(struct sockaddr_in6));
|
|
} else {
|
|
memcpy(sas, sin, sizeof(*sin));
|
|
((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
|
|
actual += sizeof(*sin);
|
|
}
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
} else if ((ifa->ifa_addr->sa_family == AF_INET6) &&
|
|
(ipv6_addr_legal)) {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
/*
|
|
* we skip unspecifed
|
|
* addresses
|
|
*/
|
|
continue;
|
|
}
|
|
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
|
|
if (local_scope == 0)
|
|
continue;
|
|
if (sin6->sin6_scope_id == 0) {
|
|
if (sa6_recoverscope(sin6) != 0)
|
|
/*
|
|
* bad link
|
|
* local
|
|
* address
|
|
*/
|
|
continue;
|
|
}
|
|
}
|
|
if ((site_scope == 0) &&
|
|
(IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
|
|
continue;
|
|
}
|
|
memcpy(sas, sin6, sizeof(*sin6));
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
|
|
actual += sizeof(*sin6);
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
struct sctp_laddr *laddr;
|
|
|
|
/*
|
|
* If we have a TCB and we do NOT support ASCONF (it's
|
|
* turned off or otherwise) then the list is always the true
|
|
* list of addresses (the else case below). Otherwise the
|
|
* list on the association is a list of addresses that are
|
|
* NOT part of the association.
|
|
*/
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF)) {
|
|
/* The list is a NEGATIVE list */
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (stcb) {
|
|
if (sctp_is_addr_restricted(stcb, laddr->ifa->ifa_addr)) {
|
|
continue;
|
|
}
|
|
}
|
|
if (sctp_fill_user_address(sas, laddr->ifa->ifa_addr))
|
|
continue;
|
|
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas +
|
|
laddr->ifa->ifa_addr->sa_len);
|
|
actual += laddr->ifa->ifa_addr->sa_len;
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
} else {
|
|
/* The list is a positive list if present */
|
|
if (stcb) {
|
|
/* Must use the specific association list */
|
|
LIST_FOREACH(laddr, &stcb->asoc.sctp_local_addr_list,
|
|
sctp_nxt_addr) {
|
|
if (sctp_fill_user_address(sas,
|
|
laddr->ifa->ifa_addr))
|
|
continue;
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas +
|
|
laddr->ifa->ifa_addr->sa_len);
|
|
actual += laddr->ifa->ifa_addr->sa_len;
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
* No endpoint so use the endpoints
|
|
* individual list
|
|
*/
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list,
|
|
sctp_nxt_addr) {
|
|
if (sctp_fill_user_address(sas,
|
|
laddr->ifa->ifa_addr))
|
|
continue;
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas +
|
|
laddr->ifa->ifa_addr->sa_len);
|
|
actual += laddr->ifa->ifa_addr->sa_len;
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return (actual);
|
|
}
|
|
|
|
static int
|
|
sctp_count_max_addresses(struct sctp_inpcb *inp)
|
|
{
|
|
int cnt = 0;
|
|
|
|
/*
|
|
* In both sub-set bound an bound_all cases we return the MAXIMUM
|
|
* number of addresses that you COULD get. In reality the sub-set
|
|
* bound may have an exclusion list for a given TCB OR in the
|
|
* bound-all case a TCB may NOT include the loopback or other
|
|
* addresses as well.
|
|
*/
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
struct ifnet *ifn;
|
|
struct ifaddr *ifa;
|
|
|
|
TAILQ_FOREACH(ifn, &ifnet, if_list) {
|
|
TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) {
|
|
/* Count them if they are the right type */
|
|
if (ifa->ifa_addr->sa_family == AF_INET) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
else
|
|
cnt += sizeof(struct sockaddr_in);
|
|
|
|
} else if (ifa->ifa_addr->sa_family == AF_INET6)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
}
|
|
}
|
|
} else {
|
|
struct sctp_laddr *laddr;
|
|
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (laddr->ifa->ifa_addr->sa_family == AF_INET) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
else
|
|
cnt += sizeof(struct sockaddr_in);
|
|
|
|
} else if (laddr->ifa->ifa_addr->sa_family == AF_INET6)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
}
|
|
}
|
|
return (cnt);
|
|
}
|
|
|
|
static int
|
|
sctp_do_connect_x(struct socket *so,
|
|
struct sctp_inpcb *inp,
|
|
struct mbuf *m,
|
|
struct thread *p,
|
|
int delay
|
|
)
|
|
{
|
|
int s = splnet();
|
|
|
|
int error = 0;
|
|
int creat_lock_on = 0;
|
|
struct sctp_tcb *stcb = NULL;
|
|
struct sockaddr *sa;
|
|
int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr, i, incr, at;
|
|
|
|
#ifdef SCTP_DEBUG
|
|
if (sctp_debug_on & SCTP_DEBUG_PCB1) {
|
|
printf("Connectx called\n");
|
|
}
|
|
#endif /* SCTP_DEBUG */
|
|
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
splx(s);
|
|
return (EADDRINUSE);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
|
|
splx(s);
|
|
return (EINVAL);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
if (stcb) {
|
|
splx(s);
|
|
return (EALREADY);
|
|
|
|
}
|
|
SCTP_INP_INCR_REF(inp);
|
|
SCTP_ASOC_CREATE_LOCK(inp);
|
|
creat_lock_on = 1;
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
|
|
error = EFAULT;
|
|
goto out_now;
|
|
}
|
|
totaddrp = mtod(m, int *);
|
|
totaddr = *totaddrp;
|
|
sa = (struct sockaddr *)(totaddrp + 1);
|
|
at = incr = 0;
|
|
/* account and validate addresses */
|
|
for (i = 0; i < totaddr; i++) {
|
|
if (sa->sa_family == AF_INET) {
|
|
num_v4++;
|
|
incr = sizeof(struct sockaddr_in);
|
|
} else if (sa->sa_family == AF_INET6) {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
sin6 = (struct sockaddr_in6 *)sa;
|
|
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
|
|
/* Must be non-mapped for connectx */
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
num_v6++;
|
|
incr = sizeof(struct sockaddr_in6);
|
|
} else {
|
|
totaddr = i;
|
|
break;
|
|
}
|
|
stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL);
|
|
if (stcb != NULL) {
|
|
/* Already have or am bring up an association */
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
creat_lock_on = 0;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
error = EALREADY;
|
|
goto out_now;
|
|
}
|
|
if ((at + incr) > m->m_len) {
|
|
totaddr = i;
|
|
break;
|
|
}
|
|
sa = (struct sockaddr *)((caddr_t)sa + incr);
|
|
}
|
|
sa = (struct sockaddr *)(totaddrp + 1);
|
|
#ifdef INET6
|
|
if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
|
|
(num_v6 > 0)) {
|
|
splx(s);
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
|
|
(num_v4 > 0)) {
|
|
struct in6pcb *inp6;
|
|
|
|
inp6 = (struct in6pcb *)inp;
|
|
if (
|
|
(inp6->inp_flags & IN6P_IPV6_V6ONLY)
|
|
) {
|
|
/*
|
|
* if IPV6_V6ONLY flag, ignore connections destined
|
|
* to a v4 addr or v4-mapped addr
|
|
*/
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
}
|
|
#endif /* INET6 */
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
|
|
SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* Bind a ephemeral port */
|
|
SCTP_INP_WUNLOCK(inp);
|
|
error = sctp_inpcb_bind(so, NULL, p);
|
|
if (error) {
|
|
goto out_now;
|
|
}
|
|
} else {
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
|
|
/* We are GOOD to go */
|
|
stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0);
|
|
if (stcb == NULL) {
|
|
/* Gak! no memory */
|
|
error = ENOMEM;
|
|
goto out_now;
|
|
}
|
|
/* move to second address */
|
|
if (sa->sa_family == AF_INET)
|
|
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
|
|
else
|
|
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
|
|
|
|
for (i = 1; i < totaddr; i++) {
|
|
if (sa->sa_family == AF_INET) {
|
|
incr = sizeof(struct sockaddr_in);
|
|
if (sctp_add_remote_addr(stcb, sa, 0, 8)) {
|
|
/* assoc gone no un-lock */
|
|
sctp_free_assoc(inp, stcb, 0);
|
|
error = ENOBUFS;
|
|
goto out_now;
|
|
}
|
|
} else if (sa->sa_family == AF_INET6) {
|
|
incr = sizeof(struct sockaddr_in6);
|
|
if (sctp_add_remote_addr(stcb, sa, 0, 8)) {
|
|
/* assoc gone no un-lock */
|
|
sctp_free_assoc(inp, stcb, 0);
|
|
error = ENOBUFS;
|
|
goto out_now;
|
|
}
|
|
}
|
|
sa = (struct sockaddr *)((caddr_t)sa + incr);
|
|
}
|
|
stcb->asoc.state = SCTP_STATE_COOKIE_WAIT;
|
|
|
|
/* initialize authentication parameters for the assoc */
|
|
sctp_initialize_auth_params(inp, stcb);
|
|
|
|
if (delay) {
|
|
/* doing delayed connection */
|
|
stcb->asoc.delayed_connection = 1;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
|
|
} else {
|
|
SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
sctp_send_initiate(inp, stcb);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
|
|
/* Set the connected flag so we can queue data */
|
|
soisconnecting(so);
|
|
}
|
|
out_now:
|
|
if (creat_lock_on)
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
SCTP_INP_DECR_REF(inp);
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
sctp_optsget(struct socket *so,
|
|
int opt,
|
|
struct mbuf **mp,
|
|
struct thread *p
|
|
)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
struct mbuf *m;
|
|
int error, optval = 0;
|
|
struct sctp_tcb *stcb = NULL;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return EINVAL;
|
|
error = 0;
|
|
|
|
if (mp == NULL) {
|
|
return (EINVAL);
|
|
}
|
|
m = *mp;
|
|
if (m == NULL) {
|
|
/* Got to have a mbuf */
|
|
return (EINVAL);
|
|
}
|
|
switch (opt) {
|
|
case SCTP_NODELAY:
|
|
case SCTP_AUTOCLOSE:
|
|
case SCTP_EXPLICIT_EOR:
|
|
case SCTP_AUTO_ASCONF:
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
SCTP_INP_RLOCK(inp);
|
|
switch (opt) {
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
|
|
break;
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
|
|
break;
|
|
case SCTP_AUTO_ASCONF:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
|
|
break;
|
|
case SCTP_EXPLICIT_EOR:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
|
|
break;
|
|
case SCTP_NODELAY:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
|
|
break;
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
|
|
break;
|
|
case SCTP_AUTOCLOSE:
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
|
|
optval = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
|
|
else
|
|
optval = 0;
|
|
break;
|
|
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
} /* end switch (sopt->sopt_name) */
|
|
if (opt != SCTP_AUTOCLOSE) {
|
|
/* make it an "on/off" value */
|
|
optval = (optval != 0);
|
|
}
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if (error == 0) {
|
|
/* return the option value */
|
|
*mtod(m, int *)= optval;
|
|
m->m_len = sizeof(optval);
|
|
}
|
|
break;
|
|
case SCTP_PARTIAL_DELIVERY_POINT:
|
|
{
|
|
if ((size_t)m->m_len < sizeof(unsigned int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
*mtod(m, unsigned int *)= inp->partial_delivery_point;
|
|
m->m_len = sizeof(unsigned int);
|
|
}
|
|
break;
|
|
case SCTP_FRAGMENT_INTERLEAVE:
|
|
{
|
|
if ((size_t)m->m_len < sizeof(unsigned int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
*mtod(m, unsigned int *)= sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
m->m_len = sizeof(unsigned int);
|
|
}
|
|
break;
|
|
case SCTP_CMT_ON_OFF:
|
|
{
|
|
if ((size_t)m->m_len < sizeof(unsigned int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
*mtod(m, unsigned int *)= sctp_cmt_sockopt_on_off;
|
|
m->m_len = sizeof(unsigned int);
|
|
}
|
|
break;
|
|
case SCTP_CMT_USE_DAC:
|
|
{
|
|
*mtod(m, unsigned int *)= sctp_cmt_sockopt_use_dac;
|
|
m->m_len = sizeof(unsigned int);
|
|
}
|
|
break;
|
|
case SCTP_GET_ADDR_LEN:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
av = mtod(m, struct sctp_assoc_value *);
|
|
error = EINVAL;
|
|
#ifdef AF_INET
|
|
if (av->assoc_value == AF_INET) {
|
|
av->assoc_value = sizeof(struct sockaddr_in);
|
|
error = 0;
|
|
}
|
|
#endif
|
|
#ifdef AF_INET6
|
|
if (av->assoc_value == AF_INET6) {
|
|
av->assoc_value = sizeof(struct sockaddr_in6);
|
|
error = 0;
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case SCTP_GET_ASOC_ID_LIST:
|
|
{
|
|
struct sctp_assoc_ids *ids;
|
|
int cnt, at;
|
|
uint16_t orig;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_ids)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
ids = mtod(m, struct sctp_assoc_ids *);
|
|
cnt = 0;
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
none_out_now:
|
|
ids->asls_numb_present = 0;
|
|
ids->asls_more_to_get = 0;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
orig = ids->asls_assoc_start;
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
while (orig) {
|
|
stcb = LIST_NEXT(stcb, sctp_tcblist);
|
|
orig--;
|
|
cnt--;
|
|
if (stcb == NULL)
|
|
goto none_out_now;
|
|
}
|
|
if (stcb == NULL)
|
|
goto none_out_now;
|
|
|
|
at = 0;
|
|
ids->asls_numb_present = 0;
|
|
ids->asls_more_to_get = 1;
|
|
while (at < MAX_ASOC_IDS_RET) {
|
|
ids->asls_assoc_id[at] = sctp_get_associd(stcb);
|
|
at++;
|
|
ids->asls_numb_present++;
|
|
stcb = LIST_NEXT(stcb, sctp_tcblist);
|
|
if (stcb == NULL) {
|
|
ids->asls_more_to_get = 0;
|
|
break;
|
|
}
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_CONTEXT:
|
|
{
|
|
|
|
struct sctp_assoc_value *av;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
av = mtod(m, struct sctp_assoc_value *);
|
|
if (av->assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
av->assoc_value = stcb->asoc.context;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
} else {
|
|
av->assoc_value = inp->sctp_context;
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_GET_NONCE_VALUES:
|
|
{
|
|
struct sctp_get_nonce_values *gnv;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_get_nonce_values)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
gnv = mtod(m, struct sctp_get_nonce_values *);
|
|
stcb = sctp_findassociation_ep_asocid(inp, gnv->gn_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
gnv->gn_peers_tag = stcb->asoc.peer_vtag;
|
|
gnv->gn_local_tag = stcb->asoc.my_vtag;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
|
|
}
|
|
break;
|
|
case SCTP_DELAYED_ACK_TIME:
|
|
{
|
|
struct sctp_assoc_value *tm;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
tm = mtod(m, struct sctp_assoc_value *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
tm->assoc_value = stcb->asoc.delayed_ack;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
tm->assoc_value = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
stcb = sctp_findassociation_ep_asocid(inp, tm->assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
tm->assoc_value = 0;
|
|
} else {
|
|
stcb->asoc.delayed_ack = tm->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SCTP_GET_SNDBUF_USE:
|
|
if ((size_t)m->m_len < sizeof(struct sctp_sockstat)) {
|
|
error = EINVAL;
|
|
} else {
|
|
struct sctp_sockstat *ss;
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_association *asoc;
|
|
|
|
ss = mtod(m, struct sctp_sockstat *);
|
|
stcb = sctp_findassociation_ep_asocid(inp, ss->ss_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
asoc = &stcb->asoc;
|
|
ss->ss_total_sndbuf = (uint32_t) asoc->total_output_queue_size;
|
|
ss->ss_total_recv_buf = (uint32_t) (asoc->size_on_reasm_queue +
|
|
asoc->size_on_all_streams);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
error = 0;
|
|
m->m_len = sizeof(struct sctp_sockstat);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_MAXBURST:
|
|
{
|
|
uint8_t *burst;
|
|
|
|
burst = mtod(m, uint8_t *);
|
|
SCTP_INP_RLOCK(inp);
|
|
*burst = inp->sctp_ep.max_burst;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(uint8_t);
|
|
}
|
|
break;
|
|
|
|
case SCTP_MAXSEG:
|
|
{
|
|
uint32_t *segsize;
|
|
sctp_assoc_t *assoc_id;
|
|
int ovh;
|
|
|
|
if ((size_t)m->m_len < sizeof(uint32_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if ((size_t)m->m_len < sizeof(sctp_assoc_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
assoc_id = mtod(m, sctp_assoc_t *);
|
|
segsize = mtod(m, uint32_t *);
|
|
m->m_len = sizeof(uint32_t);
|
|
|
|
if (((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
|
|
struct sctp_tcb *stcb;
|
|
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*segsize = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
goto skipit;
|
|
}
|
|
} else {
|
|
stcb = sctp_findassociation_ep_asocid(inp, *assoc_id, 1);
|
|
if (stcb) {
|
|
*segsize = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
skipit:
|
|
/*
|
|
* default is to get the max, if I can't
|
|
* calculate from an existing association.
|
|
*/
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
*segsize = inp->sctp_frag_point - ovh;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SCTP_SET_DEBUG_LEVEL:
|
|
#ifdef SCTP_DEBUG
|
|
{
|
|
uint32_t *level;
|
|
|
|
if ((size_t)m->m_len < sizeof(uint32_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
level = mtod(m, uint32_t *);
|
|
error = 0;
|
|
*level = sctp_debug_on;
|
|
m->m_len = sizeof(uint32_t);
|
|
printf("Returning DEBUG LEVEL %x is set\n",
|
|
(uint32_t) sctp_debug_on);
|
|
}
|
|
#else /* SCTP_DEBUG */
|
|
error = EOPNOTSUPP;
|
|
#endif
|
|
break;
|
|
case SCTP_GET_STAT_LOG:
|
|
#ifdef SCTP_STAT_LOGGING
|
|
error = sctp_fill_stat_log(m);
|
|
#else /* SCTP_DEBUG */
|
|
error = EOPNOTSUPP;
|
|
#endif
|
|
break;
|
|
case SCTP_EVENTS:
|
|
{
|
|
struct sctp_event_subscribe *events;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_event_subscribe)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
events = mtod(m, struct sctp_event_subscribe *);
|
|
memset(events, 0, sizeof(*events));
|
|
SCTP_INP_RLOCK(inp);
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
|
|
events->sctp_data_io_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
|
|
events->sctp_association_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
|
|
events->sctp_address_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
|
|
events->sctp_send_failure_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
|
|
events->sctp_peer_error_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
|
|
events->sctp_shutdown_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
|
|
events->sctp_partial_delivery_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
|
|
events->sctp_adaptation_layer_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
|
|
events->sctp_authentication_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
|
|
events->sctp_stream_reset_events = 1;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(struct sctp_event_subscribe);
|
|
|
|
}
|
|
break;
|
|
|
|
case SCTP_ADAPTATION_LAYER:
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
*mtod(m, int *)= inp->sctp_ep.adaptation_layer_indicator;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(int);
|
|
break;
|
|
case SCTP_SET_INITIAL_DBG_SEQ:
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
*mtod(m, int *)= inp->sctp_ep.initial_sequence_debug;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(int);
|
|
break;
|
|
case SCTP_GET_LOCAL_ADDR_SIZE:
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
*mtod(m, int *)= sctp_count_max_addresses(inp);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(int);
|
|
break;
|
|
case SCTP_GET_REMOTE_ADDR_SIZE:
|
|
{
|
|
sctp_assoc_t *assoc_id;
|
|
uint32_t *val, sz;
|
|
struct sctp_nets *net;
|
|
|
|
if ((size_t)m->m_len < sizeof(sctp_assoc_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
stcb = NULL;
|
|
val = mtod(m, uint32_t *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
if (stcb == NULL) {
|
|
assoc_id = mtod(m, sctp_assoc_t *);
|
|
stcb = sctp_findassociation_ep_asocid(inp, *assoc_id, 1);
|
|
}
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
*val = 0;
|
|
sz = 0;
|
|
/* Count the sizes */
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
|
|
sz += sizeof(struct sockaddr_in6);
|
|
} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
|
|
sz += sizeof(struct sockaddr_in);
|
|
} else {
|
|
/* huh */
|
|
break;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
*val = sz;
|
|
m->m_len = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_GET_PEER_ADDRESSES:
|
|
/*
|
|
* Get the address information, an array is passed in to
|
|
* fill up we pack it.
|
|
*/
|
|
{
|
|
int cpsz, left;
|
|
struct sockaddr_storage *sas;
|
|
struct sctp_nets *net;
|
|
struct sctp_getaddresses *saddr;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
left = m->m_len - sizeof(struct sctp_getaddresses);
|
|
saddr = mtod(m, struct sctp_getaddresses *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp,
|
|
saddr->sget_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
m->m_len = sizeof(struct sctp_getaddresses);
|
|
sas = (struct sockaddr_storage *)&saddr->addr[0];
|
|
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
|
|
cpsz = sizeof(struct sockaddr_in6);
|
|
} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
|
|
cpsz = sizeof(struct sockaddr_in);
|
|
} else {
|
|
/* huh */
|
|
break;
|
|
}
|
|
if (left < cpsz) {
|
|
/* not enough room. */
|
|
break;
|
|
}
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) &&
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
|
|
/* Must map the address */
|
|
in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
|
|
(struct sockaddr_in6 *)sas);
|
|
} else {
|
|
memcpy(sas, &net->ro._l_addr, cpsz);
|
|
}
|
|
((struct sockaddr_in *)sas)->sin_port = stcb->rport;
|
|
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
|
|
left -= cpsz;
|
|
m->m_len += cpsz;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_GET_LOCAL_ADDRESSES:
|
|
{
|
|
int limit, actual;
|
|
struct sockaddr_storage *sas;
|
|
struct sctp_getaddresses *saddr;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
saddr = mtod(m, struct sctp_getaddresses *);
|
|
|
|
if (saddr->sget_assoc_id) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, saddr->sget_assoc_id, 1);
|
|
|
|
} else {
|
|
stcb = NULL;
|
|
}
|
|
/*
|
|
* assure that the TCP model does not need a assoc
|
|
* id once connected.
|
|
*/
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) &&
|
|
(stcb == NULL)) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
sas = (struct sockaddr_storage *)&saddr->addr[0];
|
|
limit = m->m_len - sizeof(sctp_assoc_t);
|
|
actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(struct sockaddr_storage) + actual;
|
|
}
|
|
break;
|
|
case SCTP_PEER_ADDR_PARAMS:
|
|
{
|
|
struct sctp_paddrparams *paddrp;
|
|
struct sctp_nets *net;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_paddrparams)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
paddrp = mtod(m, struct sctp_paddrparams *);
|
|
|
|
net = NULL;
|
|
if (paddrp->spp_assoc_id) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
} else {
|
|
stcb = sctp_findassociation_ep_asocid(inp, paddrp->spp_assoc_id, 1);
|
|
}
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if ((stcb == NULL) &&
|
|
((((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET) ||
|
|
(((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET6))) {
|
|
/* Lookup via address */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&paddrp->spp_address,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if (stcb) {
|
|
/* Applys to the specific association */
|
|
paddrp->spp_flags = 0;
|
|
if (net) {
|
|
paddrp->spp_pathmaxrxt = net->failure_threshold;
|
|
paddrp->spp_pathmtu = net->mtu;
|
|
/* get flags for HB */
|
|
if (net->dest_state & SCTP_ADDR_NOHB)
|
|
paddrp->spp_flags |= SPP_HB_DISABLE;
|
|
else
|
|
paddrp->spp_flags |= SPP_HB_ENABLE;
|
|
/* get flags for PMTU */
|
|
if (callout_pending(&net->pmtu_timer.timer)) {
|
|
paddrp->spp_flags |= SPP_PMTUD_ENABLE;
|
|
} else {
|
|
paddrp->spp_flags |= SPP_PMTUD_DISABLE;
|
|
}
|
|
#ifdef AF_INET
|
|
if (net->ro._l_addr.sin.sin_family == AF_INET) {
|
|
paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
}
|
|
#endif
|
|
#ifdef AF_INET6
|
|
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
|
|
paddrp->spp_ipv6_flowlabel = net->tos_flowlabel;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
}
|
|
#endif
|
|
} else {
|
|
/*
|
|
* No destination so return default
|
|
* value
|
|
*/
|
|
paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
|
|
paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
#ifdef AF_INET
|
|
paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
#endif
|
|
#ifdef AF_INET6
|
|
paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
#endif
|
|
/* default settings should be these */
|
|
if (sctp_is_hb_timer_running(stcb)) {
|
|
paddrp->spp_flags |= SPP_HB_ENABLE;
|
|
}
|
|
}
|
|
paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
|
|
paddrp->spp_sackdelay = stcb->asoc.delayed_ack;
|
|
/*
|
|
* Currently we don't support no sack delay
|
|
* aka SPP_SACKDELAY_DISABLE.
|
|
*/
|
|
paddrp->spp_flags |= SPP_SACKDELAY_ENABLE;
|
|
paddrp->spp_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* Use endpoint defaults */
|
|
SCTP_INP_RLOCK(inp);
|
|
paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
|
|
paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
|
|
paddrp->spp_sackdelay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
|
|
paddrp->spp_assoc_id = (sctp_assoc_t) 0;
|
|
/* get inp's default */
|
|
#ifdef AF_INET
|
|
paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
#endif
|
|
#ifdef AF_INET6
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
}
|
|
#endif
|
|
/* can't return this */
|
|
paddrp->spp_pathmaxrxt = 0;
|
|
paddrp->spp_pathmtu = 0;
|
|
/* default behavior, no stcb */
|
|
paddrp->spp_flags = SPP_HB_ENABLE | SPP_SACKDELAY_ENABLE | SPP_PMTUD_ENABLE;
|
|
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
m->m_len = sizeof(struct sctp_paddrparams);
|
|
}
|
|
break;
|
|
case SCTP_GET_PEER_ADDR_INFO:
|
|
{
|
|
struct sctp_paddrinfo *paddri;
|
|
struct sctp_nets *net;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_paddrinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
paddri = mtod(m, struct sctp_paddrinfo *);
|
|
net = NULL;
|
|
if ((((struct sockaddr *)&paddri->spinfo_address)->sa_family == AF_INET) ||
|
|
(((struct sockaddr *)&paddri->spinfo_address)->sa_family == AF_INET6)) {
|
|
/* Lookup via address */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb,
|
|
(struct sockaddr *)&paddri->spinfo_address);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&paddri->spinfo_address,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
stcb = NULL;
|
|
}
|
|
if ((stcb == NULL) || (net == NULL)) {
|
|
if (stcb) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
m->m_len = sizeof(struct sctp_paddrinfo);
|
|
paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB);
|
|
paddri->spinfo_cwnd = net->cwnd;
|
|
paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1;
|
|
paddri->spinfo_rto = net->RTO;
|
|
paddri->spinfo_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_PCB_STATUS:
|
|
{
|
|
struct sctp_pcbinfo *spcb;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_pcbinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
spcb = mtod(m, struct sctp_pcbinfo *);
|
|
sctp_fill_pcbinfo(spcb);
|
|
m->m_len = sizeof(struct sctp_pcbinfo);
|
|
}
|
|
break;
|
|
case SCTP_STATUS:
|
|
{
|
|
struct sctp_nets *net;
|
|
struct sctp_status *sstat;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_status)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sstat = mtod(m, struct sctp_status *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, sstat->sstat_assoc_id, 1);
|
|
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/*
|
|
* I think passing the state is fine since
|
|
* sctp_constants.h will be available to the user
|
|
* land.
|
|
*/
|
|
sstat->sstat_state = stcb->asoc.state;
|
|
sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
|
|
sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
|
|
/*
|
|
* We can't include chunks that have been passed to
|
|
* the socket layer. Only things in queue.
|
|
*/
|
|
sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
|
|
stcb->asoc.cnt_on_all_streams);
|
|
|
|
|
|
sstat->sstat_instrms = stcb->asoc.streamincnt;
|
|
sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
|
|
sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
memcpy(&sstat->sstat_primary.spinfo_address,
|
|
&stcb->asoc.primary_destination->ro._l_addr,
|
|
((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
|
|
net = stcb->asoc.primary_destination;
|
|
((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
|
|
/*
|
|
* Again the user can get info from sctp_constants.h
|
|
* for what the state of the network is.
|
|
*/
|
|
sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK;
|
|
sstat->sstat_primary.spinfo_cwnd = net->cwnd;
|
|
sstat->sstat_primary.spinfo_srtt = net->lastsa;
|
|
sstat->sstat_primary.spinfo_rto = net->RTO;
|
|
sstat->sstat_primary.spinfo_mtu = net->mtu;
|
|
sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(*sstat);
|
|
}
|
|
break;
|
|
case SCTP_RTOINFO:
|
|
{
|
|
struct sctp_rtoinfo *srto;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_rtoinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
srto = mtod(m, struct sctp_rtoinfo *);
|
|
if (srto->srto_assoc_id == 0) {
|
|
/* Endpoint only please */
|
|
SCTP_INP_RLOCK(inp);
|
|
srto->srto_initial = inp->sctp_ep.initial_rto;
|
|
srto->srto_max = inp->sctp_ep.sctp_maxrto;
|
|
srto->srto_min = inp->sctp_ep.sctp_minrto;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, srto->srto_assoc_id, 1);
|
|
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
srto->srto_initial = stcb->asoc.initial_rto;
|
|
srto->srto_max = stcb->asoc.maxrto;
|
|
srto->srto_min = stcb->asoc.minrto;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(*srto);
|
|
}
|
|
break;
|
|
case SCTP_ASSOCINFO:
|
|
{
|
|
struct sctp_assocparams *sasoc;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assocparams)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sasoc = mtod(m, struct sctp_assocparams *);
|
|
stcb = NULL;
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
|
|
SCTP_TCB_LOCK(stcb);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (sasoc->sasoc_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp,
|
|
sasoc->sasoc_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
} else {
|
|
stcb = NULL;
|
|
}
|
|
if (stcb) {
|
|
sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
|
|
sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
|
|
sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
|
|
sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
|
|
sasoc->sasoc_cookie_life = stcb->asoc.cookie_life;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
|
|
sasoc->sasoc_number_peer_destinations = 0;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
|
|
sasoc->sasoc_cookie_life = inp->sctp_ep.def_cookie_life;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
m->m_len = sizeof(*sasoc);
|
|
}
|
|
break;
|
|
case SCTP_DEFAULT_SEND_PARAM:
|
|
{
|
|
struct sctp_sndrcvinfo *s_info;
|
|
|
|
if (m->m_len != sizeof(struct sctp_sndrcvinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
s_info = mtod(m, struct sctp_sndrcvinfo *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, s_info->sinfo_assoc_id, 1);
|
|
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
/* Copy it out */
|
|
*s_info = stcb->asoc.def_send;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(*s_info);
|
|
}
|
|
break;
|
|
case SCTP_INITMSG:
|
|
{
|
|
struct sctp_initmsg *sinit;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_initmsg)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sinit = mtod(m, struct sctp_initmsg *);
|
|
SCTP_INP_RLOCK(inp);
|
|
sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
|
|
sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
|
|
sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
|
|
sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = sizeof(*sinit);
|
|
}
|
|
break;
|
|
case SCTP_PRIMARY_ADDR:
|
|
/* we allow a "get" operation on this */
|
|
{
|
|
struct sctp_setprim *ssp;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_setprim)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
ssp = mtod(m, struct sctp_setprim *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
stcb = sctp_findassociation_ep_asocid(inp, ssp->ssp_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
/*
|
|
* one last shot, try it by the
|
|
* address in
|
|
*/
|
|
struct sctp_nets *net;
|
|
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&ssp->ssp_addr,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
}
|
|
/* simply copy out the sockaddr_storage... */
|
|
memcpy(&ssp->ssp_addr,
|
|
&stcb->asoc.primary_destination->ro._l_addr,
|
|
((struct sockaddr *)&stcb->asoc.primary_destination->ro._l_addr)->sa_len);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(*ssp);
|
|
}
|
|
break;
|
|
|
|
case SCTP_HMAC_IDENT:
|
|
{
|
|
struct sctp_hmacalgo *shmac;
|
|
sctp_hmaclist_t *hmaclist;
|
|
uint32_t size;
|
|
int i;
|
|
|
|
if ((size_t)(m->m_len) < sizeof(*shmac)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
shmac = mtod(m, struct sctp_hmacalgo *);
|
|
SCTP_INP_RLOCK(inp);
|
|
hmaclist = inp->sctp_ep.local_hmacs;
|
|
if (hmaclist == NULL) {
|
|
/* no HMACs to return */
|
|
m->m_len = sizeof(*shmac);
|
|
break;
|
|
}
|
|
/* is there room for all of the hmac ids? */
|
|
size = sizeof(*shmac) + (hmaclist->num_algo *
|
|
sizeof(shmac->shmac_idents[0]));
|
|
if ((size_t)(m->m_len) < size) {
|
|
error = EINVAL;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
/* copy in the list */
|
|
for (i = 0; i < hmaclist->num_algo; i++)
|
|
shmac->shmac_idents[i] = hmaclist->hmac[i];
|
|
SCTP_INP_RUNLOCK(inp);
|
|
m->m_len = size;
|
|
break;
|
|
}
|
|
case SCTP_AUTH_ACTIVE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scact;
|
|
|
|
if ((size_t)(m->m_len) < sizeof(*scact)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
scact = mtod(m, struct sctp_authkeyid *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, get from the connected
|
|
* assoc; else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (scact->scact_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, scact->scact_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if (stcb != NULL) {
|
|
/* get the active key on the assoc */
|
|
scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* get the endpoint active key */
|
|
SCTP_INP_RLOCK(inp);
|
|
scact->scact_keynumber = inp->sctp_ep.default_keyid;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
m->m_len = sizeof(*scact);
|
|
break;
|
|
}
|
|
case SCTP_LOCAL_AUTH_CHUNKS:
|
|
{
|
|
struct sctp_authchunks *sac;
|
|
sctp_auth_chklist_t *chklist = NULL;
|
|
int size = 0;
|
|
|
|
if ((size_t)(m->m_len) < sizeof(*sac)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sac = mtod(m, struct sctp_authchunks *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, get from the connected
|
|
* assoc; else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb != NULL)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (sac->gauth_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, sac->gauth_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if (stcb != NULL) {
|
|
/* get off the assoc */
|
|
chklist = stcb->asoc.local_auth_chunks;
|
|
if (chklist == NULL) {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
/* copy in the chunks */
|
|
sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* get off the endpoint */
|
|
SCTP_INP_RLOCK(inp);
|
|
chklist = inp->sctp_ep.local_auth_chunks;
|
|
if (chklist == NULL) {
|
|
error = EINVAL;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
/* copy in the chunks */
|
|
sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
m->m_len = sizeof(struct sctp_authchunks) + size;
|
|
break;
|
|
}
|
|
case SCTP_PEER_AUTH_CHUNKS:
|
|
{
|
|
struct sctp_authchunks *sac;
|
|
sctp_auth_chklist_t *chklist = NULL;
|
|
int size = 0;
|
|
|
|
if ((size_t)(m->m_len) < sizeof(*sac)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sac = mtod(m, struct sctp_authchunks *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, get from the connected
|
|
* assoc, else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb != NULL)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (sac->gauth_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, sac->gauth_assoc_id, 1);
|
|
}
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
/* get off the assoc */
|
|
chklist = stcb->asoc.peer_auth_chunks;
|
|
if (chklist == NULL) {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
/* copy in the chunks */
|
|
sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
m->m_len = sizeof(struct sctp_authchunks) + size;
|
|
break;
|
|
}
|
|
|
|
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
m->m_len = 0;
|
|
break;
|
|
} /* end switch (sopt->sopt_name) */
|
|
return (error);
|
|
}
|
|
|
|
|
|
static int
|
|
sctp_optsset(struct socket *so,
|
|
int opt,
|
|
struct mbuf **mp,
|
|
struct thread *p
|
|
)
|
|
{
|
|
int error, *mopt, set_opt, s;
|
|
struct mbuf *m;
|
|
struct sctp_tcb *stcb = NULL;
|
|
struct sctp_inpcb *inp;
|
|
|
|
if (mp == NULL) {
|
|
return (EINVAL);
|
|
}
|
|
m = *mp;
|
|
if (m == NULL)
|
|
return (EINVAL);
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return EINVAL;
|
|
|
|
error = 0;
|
|
switch (opt) {
|
|
case SCTP_NODELAY:
|
|
case SCTP_AUTOCLOSE:
|
|
case SCTP_AUTO_ASCONF:
|
|
case SCTP_EXPLICIT_EOR:
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
/* copy in the option value */
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
mopt = mtod(m, int *);
|
|
set_opt = 0;
|
|
if (error)
|
|
break;
|
|
switch (opt) {
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
|
|
break;
|
|
case SCTP_AUTO_ASCONF:
|
|
set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
|
|
break;
|
|
case SCTP_EXPLICIT_EOR:
|
|
set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
|
|
break;
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
|
|
break;
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
|
|
} else {
|
|
return (EINVAL);
|
|
}
|
|
break;
|
|
case SCTP_NODELAY:
|
|
set_opt = SCTP_PCB_FLAGS_NODELAY;
|
|
break;
|
|
case SCTP_AUTOCLOSE:
|
|
set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
|
|
/*
|
|
* The value is in ticks. Note this does not effect
|
|
* old associations, only new ones.
|
|
*/
|
|
inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
if (*mopt != 0) {
|
|
sctp_feature_on(inp, set_opt);
|
|
} else {
|
|
sctp_feature_off(inp, set_opt);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
case SCTP_PARTIAL_DELIVERY_POINT:
|
|
{
|
|
if ((size_t)m->m_len < sizeof(unsigned int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
inp->partial_delivery_point = *mtod(m, unsigned int *);
|
|
m->m_len = sizeof(unsigned int);
|
|
}
|
|
break;
|
|
case SCTP_FRAGMENT_INTERLEAVE:
|
|
/* not yet until we re-write sctp_recvmsg() */
|
|
{
|
|
int on_off;
|
|
|
|
if ((size_t)m->m_len < sizeof(int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
on_off = *(mtod(m, int *));
|
|
if (on_off) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_CMT_ON_OFF:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
av = mtod(m, struct sctp_assoc_value *);
|
|
stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
if (sctp_cmt_on_off) {
|
|
stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value;
|
|
} else {
|
|
if ((stcb->asoc.sctp_cmt_on_off) && (av->assoc_value == 0)) {
|
|
stcb->asoc.sctp_cmt_on_off = 0;
|
|
} else {
|
|
error = EACCES;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_CMT_USE_DAC:
|
|
{
|
|
if ((size_t)m->m_len < sizeof(unsigned int)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sctp_cmt_sockopt_use_dac = *mtod(m, unsigned int *);
|
|
if (sctp_cmt_sockopt_use_dac != 0)
|
|
sctp_cmt_sockopt_use_dac = 1;
|
|
}
|
|
break;
|
|
case SCTP_CLR_STAT_LOG:
|
|
#ifdef SCTP_STAT_LOGGING
|
|
sctp_clr_stat_log();
|
|
#else
|
|
error = EOPNOTSUPP;
|
|
#endif
|
|
break;
|
|
case SCTP_CONTEXT:
|
|
{
|
|
|
|
struct sctp_assoc_value *av;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
av = mtod(m, struct sctp_assoc_value *);
|
|
if (av->assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
stcb->asoc.context = av->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
} else {
|
|
inp->sctp_context = av->assoc_value;
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_DELAYED_ACK_TIME:
|
|
{
|
|
struct sctp_assoc_value *tm;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
tm = mtod(m, struct sctp_assoc_value *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_WLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
stcb->asoc.delayed_ack = tm->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
} else {
|
|
if (tm->assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, tm->assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOTCONN;
|
|
} else {
|
|
stcb->asoc.delayed_ack = tm->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value);
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SCTP_AUTH_CHUNK:
|
|
{
|
|
struct sctp_authchunk *sauth;
|
|
|
|
if ((size_t)m->m_len < sizeof(*sauth)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sauth = mtod(m, struct sctp_authchunk *);
|
|
if (sctp_auth_add_chunk(sauth->sauth_chunk,
|
|
inp->sctp_ep.local_auth_chunks))
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
case SCTP_AUTH_KEY:
|
|
{
|
|
struct sctp_authkey *sca;
|
|
struct sctp_keyhead *shared_keys;
|
|
sctp_sharedkey_t *shared_key;
|
|
sctp_key_t *key = NULL;
|
|
int size;
|
|
|
|
size = m->m_len - sizeof(*sca);
|
|
if (size < 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sca = mtod(m, struct sctp_authkey *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, set it on the connected
|
|
* assoc; else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (sca->sca_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, sca->sca_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if (stcb != NULL) {
|
|
/* set it on the assoc */
|
|
shared_keys = &stcb->asoc.shared_keys;
|
|
/* clear the cached keys for this key id */
|
|
sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
|
|
/*
|
|
* create the new shared key and
|
|
* insert/replace it
|
|
*/
|
|
if (size > 0) {
|
|
key = sctp_set_key(sca->sca_key, (uint32_t) size);
|
|
if (key == NULL) {
|
|
error = ENOMEM;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
}
|
|
shared_key = sctp_alloc_sharedkey();
|
|
if (shared_key == NULL) {
|
|
sctp_free_key(key);
|
|
error = ENOMEM;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
shared_key->key = key;
|
|
shared_key->keyid = sca->sca_keynumber;
|
|
sctp_insert_sharedkey(shared_keys, shared_key);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* ste it on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
shared_keys = &inp->sctp_ep.shared_keys;
|
|
/*
|
|
* clear the cached keys on all assocs for
|
|
* this key id
|
|
*/
|
|
sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
|
|
/*
|
|
* create the new shared key and
|
|
* insert/replace it
|
|
*/
|
|
if (size > 0) {
|
|
key = sctp_set_key(sca->sca_key, (uint32_t) size);
|
|
if (key == NULL) {
|
|
error = ENOMEM;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
}
|
|
shared_key = sctp_alloc_sharedkey();
|
|
if (shared_key == NULL) {
|
|
sctp_free_key(key);
|
|
error = ENOMEM;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
shared_key->key = key;
|
|
shared_key->keyid = sca->sca_keynumber;
|
|
sctp_insert_sharedkey(shared_keys, shared_key);
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
case SCTP_HMAC_IDENT:
|
|
{
|
|
struct sctp_hmacalgo *shmac;
|
|
sctp_hmaclist_t *hmaclist;
|
|
uint32_t hmacid;
|
|
int size, i;
|
|
|
|
size = m->m_len - sizeof(*shmac);
|
|
if (size < 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
shmac = mtod(m, struct sctp_hmacalgo *);
|
|
size = size / sizeof(shmac->shmac_idents[0]);
|
|
hmaclist = sctp_alloc_hmaclist(size);
|
|
if (hmaclist == NULL) {
|
|
error = ENOMEM;
|
|
break;
|
|
}
|
|
for (i = 0; i < size; i++) {
|
|
hmacid = shmac->shmac_idents[i];
|
|
if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) {
|
|
/* invalid HMACs were found */ ;
|
|
error = EINVAL;
|
|
goto sctp_set_hmac_done;
|
|
}
|
|
}
|
|
/* set it on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
if (inp->sctp_ep.local_hmacs)
|
|
sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
|
|
inp->sctp_ep.local_hmacs = hmaclist;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
sctp_set_hmac_done:
|
|
break;
|
|
}
|
|
case SCTP_AUTH_ACTIVE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scact;
|
|
|
|
if ((size_t)m->m_len < sizeof(*scact)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
scact = mtod(m, struct sctp_authkeyid *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, set it on the connected
|
|
* assoc; else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (scact->scact_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, scact->scact_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
/* set the active key on the right place */
|
|
if (stcb != NULL) {
|
|
/* set the active key on the assoc */
|
|
if (sctp_auth_setactivekey(stcb, scact->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* set the active key on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
case SCTP_AUTH_DELETE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scdel;
|
|
|
|
if ((size_t)m->m_len < sizeof(*scdel)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
scdel = mtod(m, struct sctp_authkeyid *);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
/*
|
|
* if one-to-one, delete from the connected
|
|
* assoc; else endpoint
|
|
*/
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else if (scdel->scact_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, scdel->scact_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
/* delete the key from the right place */
|
|
if (stcb != NULL) {
|
|
if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SCTP_RESET_STREAMS:
|
|
{
|
|
struct sctp_stream_reset *strrst;
|
|
uint8_t send_in = 0, send_tsn = 0, send_out = 0;
|
|
int i;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_stream_reset)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
strrst = mtod(m, struct sctp_stream_reset *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, strrst->strrst_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
if (stcb->asoc.peer_supports_strreset == 0) {
|
|
/*
|
|
* Peer does not support it, we return
|
|
* protocol not supported since this is true
|
|
* for this feature and this peer, not the
|
|
* socket request in general.
|
|
*/
|
|
error = EPROTONOSUPPORT;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
if (stcb->asoc.stream_reset_outstanding) {
|
|
error = EALREADY;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) {
|
|
send_in = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) {
|
|
send_out = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_BOTH) {
|
|
send_in = 1;
|
|
send_out = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_TSN) {
|
|
send_tsn = 1;
|
|
} else {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
for (i = 0; i < strrst->strrst_num_streams; i++) {
|
|
if ((send_in) &&
|
|
|
|
(strrst->strrst_list[i] > stcb->asoc.streamincnt)) {
|
|
error = EINVAL;
|
|
goto get_out;
|
|
}
|
|
if ((send_out) &&
|
|
(strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) {
|
|
error = EINVAL;
|
|
goto get_out;
|
|
}
|
|
}
|
|
if (error) {
|
|
get_out:
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams,
|
|
strrst->strrst_list,
|
|
send_out, (stcb->asoc.str_reset_seq_in - 3),
|
|
send_in, send_tsn);
|
|
|
|
s = splnet();
|
|
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
splx(s);
|
|
|
|
}
|
|
break;
|
|
case SCTP_CONNECT_X:
|
|
if ((size_t)m->m_len < (sizeof(int) + sizeof(struct sockaddr_in))) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = sctp_do_connect_x(so, inp, m, p, 0);
|
|
break;
|
|
|
|
case SCTP_CONNECT_X_DELAYED:
|
|
if ((size_t)m->m_len < (sizeof(int) + sizeof(struct sockaddr_in))) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = sctp_do_connect_x(so, inp, m, p, 1);
|
|
break;
|
|
|
|
case SCTP_CONNECT_X_COMPLETE:
|
|
{
|
|
struct sockaddr *sa;
|
|
struct sctp_nets *net;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sockaddr_in)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sa = mtod(m, struct sockaddr *);
|
|
/* find tcb */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb, sa);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
if (stcb->asoc.delayed_connection == 1) {
|
|
stcb->asoc.delayed_connection = 0;
|
|
SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
|
|
sctp_send_initiate(inp, stcb);
|
|
} else {
|
|
/*
|
|
* already expired or did not use delayed
|
|
* connectx
|
|
*/
|
|
error = EALREADY;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_MAXBURST:
|
|
{
|
|
uint8_t *burst;
|
|
|
|
SCTP_INP_WLOCK(inp);
|
|
burst = mtod(m, uint8_t *);
|
|
if (*burst) {
|
|
inp->sctp_ep.max_burst = *burst;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_MAXSEG:
|
|
{
|
|
uint32_t *segsize;
|
|
int ovh;
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
segsize = mtod(m, uint32_t *);
|
|
if (*segsize < 1) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_frag_point = (*segsize + ovh);
|
|
if (inp->sctp_frag_point < MHLEN) {
|
|
inp->sctp_frag_point = MHLEN;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_SET_DEBUG_LEVEL:
|
|
#ifdef SCTP_DEBUG
|
|
{
|
|
uint32_t *level;
|
|
|
|
if ((size_t)m->m_len < sizeof(uint32_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
level = mtod(m, uint32_t *);
|
|
error = 0;
|
|
sctp_debug_on = (*level & (SCTP_DEBUG_ALL |
|
|
SCTP_DEBUG_NOISY));
|
|
printf("SETTING DEBUG LEVEL to %x\n",
|
|
(uint32_t) sctp_debug_on);
|
|
|
|
}
|
|
#else
|
|
error = EOPNOTSUPP;
|
|
#endif /* SCTP_DEBUG */
|
|
break;
|
|
case SCTP_EVENTS:
|
|
{
|
|
struct sctp_event_subscribe *events;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_event_subscribe)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
events = mtod(m, struct sctp_event_subscribe *);
|
|
if (events->sctp_data_io_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
|
|
}
|
|
|
|
if (events->sctp_association_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
|
|
}
|
|
|
|
if (events->sctp_address_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
|
|
}
|
|
|
|
if (events->sctp_send_failure_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
|
|
}
|
|
|
|
if (events->sctp_peer_error_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
|
|
}
|
|
|
|
if (events->sctp_shutdown_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
|
|
}
|
|
|
|
if (events->sctp_partial_delivery_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
|
|
}
|
|
|
|
if (events->sctp_adaptation_layer_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
|
|
}
|
|
|
|
if (events->sctp_authentication_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
|
|
}
|
|
|
|
if (events->sctp_stream_reset_events) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
|
|
case SCTP_ADAPTATION_LAYER:
|
|
{
|
|
struct sctp_setadaptation *adap_bits;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_setadaptation)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
adap_bits = mtod(m, struct sctp_setadaptation *);
|
|
inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_SET_INITIAL_DBG_SEQ:
|
|
{
|
|
uint32_t *vvv;
|
|
|
|
if ((size_t)m->m_len < sizeof(uint32_t)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
vvv = mtod(m, uint32_t *);
|
|
inp->sctp_ep.initial_sequence_debug = *vvv;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_DEFAULT_SEND_PARAM:
|
|
{
|
|
struct sctp_sndrcvinfo *s_info;
|
|
|
|
if (m->m_len != sizeof(struct sctp_sndrcvinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
s_info = mtod(m, struct sctp_sndrcvinfo *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
if (s_info->sinfo_assoc_id) {
|
|
stcb = sctp_findassociation_ep_asocid(inp, s_info->sinfo_assoc_id, 1);
|
|
} else {
|
|
stcb = NULL;
|
|
}
|
|
}
|
|
if ((s_info->sinfo_assoc_id == 0) &&
|
|
(stcb == NULL)) {
|
|
inp->def_send = *s_info;
|
|
} else if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
/* Validate things */
|
|
if (s_info->sinfo_stream > stcb->asoc.streamoutcnt) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/* Copy it in */
|
|
stcb->asoc.def_send = *s_info;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_PEER_ADDR_PARAMS:
|
|
/* Applys to the specific association */
|
|
{
|
|
struct sctp_paddrparams *paddrp;
|
|
struct sctp_nets *net;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_paddrparams)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
paddrp = mtod(m, struct sctp_paddrparams *);
|
|
net = NULL;
|
|
if (paddrp->spp_assoc_id) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
stcb = sctp_findassociation_ep_asocid(inp, paddrp->spp_assoc_id, 1);
|
|
}
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
}
|
|
if ((stcb == NULL) &&
|
|
((((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET) ||
|
|
(((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET6))) {
|
|
/* Lookup via address */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb,
|
|
(struct sockaddr *)&paddrp->spp_address);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&paddrp->spp_address,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
}
|
|
if (stcb) {
|
|
/************************TCB SPECIFIC SET ******************/
|
|
/* sack delay first */
|
|
if (paddrp->spp_flags & SPP_SACKDELAY_ENABLE) {
|
|
/*
|
|
* we do NOT support turning it off
|
|
* (yet). only setting the delay.
|
|
*/
|
|
if (paddrp->spp_sackdelay >= SCTP_CLOCK_GRANULARITY)
|
|
stcb->asoc.delayed_ack = paddrp->spp_sackdelay;
|
|
else
|
|
stcb->asoc.delayed_ack = SCTP_CLOCK_GRANULARITY;
|
|
|
|
} else if (paddrp->spp_flags & SPP_SACKDELAY_DISABLE) {
|
|
stcb->asoc.delayed_ack = 0;
|
|
}
|
|
/*
|
|
* do we change the timer for HB, we run
|
|
* only one?
|
|
*/
|
|
if (paddrp->spp_hbinterval)
|
|
stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
|
|
else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
|
|
stcb->asoc.heart_beat_delay = 0;
|
|
|
|
/* network sets ? */
|
|
if (net) {
|
|
/************************NET SPECIFIC SET ******************/
|
|
if (paddrp->spp_flags & SPP_HB_DEMAND) {
|
|
/* on demand HB */
|
|
sctp_send_hb(stcb, 1, net);
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
net->dest_state |= SCTP_ADDR_NOHB;
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
net->dest_state &= ~SCTP_ADDR_NOHB;
|
|
}
|
|
if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
|
|
if (callout_pending(&net->pmtu_timer.timer)) {
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
|
|
}
|
|
if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
|
|
net->mtu = paddrp->spp_pathmtu;
|
|
if (net->mtu < stcb->asoc.smallest_mtu)
|
|
sctp_pathmtu_adustment(inp, stcb, net, net->mtu);
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
|
|
if (callout_pending(&net->pmtu_timer.timer)) {
|
|
sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
|
|
}
|
|
}
|
|
if (paddrp->spp_pathmaxrxt)
|
|
net->failure_threshold = paddrp->spp_pathmaxrxt;
|
|
#ifdef AF_INET
|
|
if (paddrp->spp_flags & SPP_IPV4_TOS) {
|
|
if (net->ro._l_addr.sin.sin_family == AF_INET) {
|
|
net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef AF_INET6
|
|
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
|
|
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
|
|
net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
|
|
}
|
|
}
|
|
#endif
|
|
} else {
|
|
/************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
|
|
if (paddrp->spp_pathmaxrxt)
|
|
stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
|
|
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
/* Turn back on the timer */
|
|
stcb->asoc.hb_is_disabled = 0;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
int cnt_of_unconf = 0;
|
|
struct sctp_nets *lnet;
|
|
|
|
stcb->asoc.hb_is_disabled = 1;
|
|
TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) {
|
|
if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) {
|
|
cnt_of_unconf++;
|
|
}
|
|
}
|
|
/*
|
|
* stop the timer ONLY if we
|
|
* have no unconfirmed
|
|
* addresses
|
|
*/
|
|
if (cnt_of_unconf == 0) {
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
/* start up the timer. */
|
|
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
|
|
}
|
|
#ifdef AF_INET
|
|
if (paddrp->spp_flags & SPP_IPV4_TOS)
|
|
stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc;
|
|
#endif
|
|
#ifdef AF_INET6
|
|
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL)
|
|
stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel;
|
|
#endif
|
|
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/************************NO TCB, SET TO default stuff ******************/
|
|
SCTP_INP_WLOCK(inp);
|
|
/*
|
|
* For the TOS/FLOWLABEL stuff you set it
|
|
* with the options on the socket
|
|
*/
|
|
if (paddrp->spp_pathmaxrxt) {
|
|
inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
|
|
} else if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
|
|
}
|
|
if (paddrp->spp_flags & SPP_SACKDELAY_ENABLE) {
|
|
if (paddrp->spp_sackdelay > SCTP_CLOCK_GRANULARITY)
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(paddrp->spp_sackdelay);
|
|
else
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_CLOCK_GRANULARITY);
|
|
|
|
} else if (paddrp->spp_flags & SPP_SACKDELAY_DISABLE) {
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = 0;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_RTOINFO:
|
|
{
|
|
struct sctp_rtoinfo *srto;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_rtoinfo)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
srto = mtod(m, struct sctp_rtoinfo *);
|
|
if (srto->srto_assoc_id == 0) {
|
|
SCTP_INP_WLOCK(inp);
|
|
/*
|
|
* If we have a null asoc, its default for
|
|
* the endpoint
|
|
*/
|
|
if (srto->srto_initial > 10)
|
|
inp->sctp_ep.initial_rto = srto->srto_initial;
|
|
if (srto->srto_max > 10)
|
|
inp->sctp_ep.sctp_maxrto = srto->srto_max;
|
|
if (srto->srto_min > 10)
|
|
inp->sctp_ep.sctp_minrto = srto->srto_min;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, srto->srto_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/* Set in ms we hope :-) */
|
|
if (srto->srto_initial > 10)
|
|
stcb->asoc.initial_rto = srto->srto_initial;
|
|
if (srto->srto_max > 10)
|
|
stcb->asoc.maxrto = srto->srto_max;
|
|
if (srto->srto_min > 10)
|
|
stcb->asoc.minrto = srto->srto_min;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_ASSOCINFO:
|
|
{
|
|
struct sctp_assocparams *sasoc;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_assocparams)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sasoc = mtod(m, struct sctp_assocparams *);
|
|
if (sasoc->sasoc_assoc_id) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp,
|
|
sasoc->sasoc_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
} else {
|
|
stcb = NULL;
|
|
}
|
|
if (stcb) {
|
|
if (sasoc->sasoc_asocmaxrxt)
|
|
stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
|
|
sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = 0;
|
|
if (stcb->asoc.cookie_life)
|
|
stcb->asoc.cookie_life = sasoc->sasoc_cookie_life;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sasoc->sasoc_asocmaxrxt)
|
|
inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
|
|
sasoc->sasoc_number_peer_destinations = 0;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = 0;
|
|
if (sasoc->sasoc_cookie_life)
|
|
inp->sctp_ep.def_cookie_life = sasoc->sasoc_cookie_life;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_INITMSG:
|
|
{
|
|
struct sctp_initmsg *sinit;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_initmsg)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sinit = mtod(m, struct sctp_initmsg *);
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sinit->sinit_num_ostreams)
|
|
inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
|
|
|
|
if (sinit->sinit_max_instreams)
|
|
inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
|
|
|
|
if (sinit->sinit_max_attempts)
|
|
inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
|
|
|
|
if (sinit->sinit_max_init_timeo > 10)
|
|
/*
|
|
* We must be at least a 100ms (we set in
|
|
* ticks)
|
|
*/
|
|
inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_PRIMARY_ADDR:
|
|
{
|
|
struct sctp_setprim *spa;
|
|
struct sctp_nets *net, *lnet;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_setprim)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
spa = mtod(m, struct sctp_setprim *);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
} else {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, spa->ssp_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
/* One last shot */
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&spa->ssp_addr,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
} else {
|
|
/*
|
|
* find the net, associd or connected lookup
|
|
* type
|
|
*/
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
|
|
if (net == NULL) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
}
|
|
if ((net != stcb->asoc.primary_destination) &&
|
|
(!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
|
|
/* Ok we need to set it */
|
|
lnet = stcb->asoc.primary_destination;
|
|
if (sctp_set_primary_addr(stcb,
|
|
(struct sockaddr *)NULL,
|
|
net) == 0) {
|
|
if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) {
|
|
net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH;
|
|
}
|
|
net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
|
|
case SCTP_SET_PEER_PRIMARY_ADDR:
|
|
{
|
|
struct sctp_setpeerprim *sspp;
|
|
|
|
if ((size_t)m->m_len < sizeof(struct sctp_setpeerprim)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sspp = mtod(m, struct sctp_setpeerprim *);
|
|
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else
|
|
stcb = sctp_findassociation_ep_asocid(inp, sspp->sspp_assoc_id, 1);
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if (sctp_set_primary_ip_address_sa(stcb, (struct sockaddr *)&sspp->sspp_addr) != 0) {
|
|
error = EINVAL;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_BINDX_ADD_ADDR:
|
|
{
|
|
struct sctp_getaddresses *addrs;
|
|
struct sockaddr *addr_touse;
|
|
struct sockaddr_in sin;
|
|
|
|
/* see if we're bound all already! */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
addrs = mtod(m, struct sctp_getaddresses *);
|
|
addr_touse = addrs->addr;
|
|
if (addrs->addr->sa_family == AF_INET6) {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
sin6 = (struct sockaddr_in6 *)addr_touse;
|
|
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
|
|
in6_sin6_2_sin(&sin, sin6);
|
|
addr_touse = (struct sockaddr *)&sin;
|
|
}
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
|
|
if (p == NULL) {
|
|
/* Can't get proc for Net/Open BSD */
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = sctp_inpcb_bind(so, addr_touse, p);
|
|
break;
|
|
}
|
|
/*
|
|
* No locks required here since bind and mgmt_ep_sa
|
|
* all do their own locking. If we do something for
|
|
* the FIX: below we may need to lock in that case.
|
|
*/
|
|
if (addrs->sget_assoc_id == 0) {
|
|
/* add the address */
|
|
struct sctp_inpcb *lep;
|
|
|
|
((struct sockaddr_in *)addr_touse)->sin_port = inp->sctp_lport;
|
|
lep = sctp_pcb_findep(addr_touse, 1, 0);
|
|
if (lep != NULL) {
|
|
/*
|
|
* We must decrement the refcount
|
|
* since we have the ep already and
|
|
* are binding. No remove going on
|
|
* here.
|
|
*/
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
if (lep == inp) {
|
|
/* already bound to it.. ok */
|
|
break;
|
|
} else if (lep == NULL) {
|
|
((struct sockaddr_in *)addr_touse)->sin_port = 0;
|
|
error = sctp_addr_mgmt_ep_sa(inp, addr_touse,
|
|
SCTP_ADD_IP_ADDRESS);
|
|
} else {
|
|
error = EADDRNOTAVAIL;
|
|
}
|
|
if (error)
|
|
break;
|
|
|
|
} else {
|
|
/*
|
|
* FIX: decide whether we allow assoc based
|
|
* bindx
|
|
*/
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_BINDX_REM_ADDR:
|
|
{
|
|
struct sctp_getaddresses *addrs;
|
|
struct sockaddr *addr_touse;
|
|
struct sockaddr_in sin;
|
|
|
|
/* see if we're bound all already! */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
addrs = mtod(m, struct sctp_getaddresses *);
|
|
addr_touse = addrs->addr;
|
|
if (addrs->addr->sa_family == AF_INET6) {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
sin6 = (struct sockaddr_in6 *)addr_touse;
|
|
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
|
|
in6_sin6_2_sin(&sin, sin6);
|
|
addr_touse = (struct sockaddr *)&sin;
|
|
}
|
|
}
|
|
/*
|
|
* No lock required mgmt_ep_sa does its own locking.
|
|
* If the FIX: below is ever changed we may need to
|
|
* lock before calling association level binding.
|
|
*/
|
|
if (addrs->sget_assoc_id == 0) {
|
|
/* delete the address */
|
|
sctp_addr_mgmt_ep_sa(inp, addr_touse,
|
|
SCTP_DEL_IP_ADDRESS);
|
|
} else {
|
|
/*
|
|
* FIX: decide whether we allow assoc based
|
|
* bindx
|
|
*/
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
break;
|
|
} /* end switch (opt) */
|
|
return (error);
|
|
}
|
|
|
|
|
|
|
|
extern int sctp_chatty_mbuf;
|
|
|
|
int
|
|
sctp_ctloutput(struct socket *so, struct sockopt *sopt)
|
|
{
|
|
struct mbuf *m = NULL;
|
|
struct sctp_inpcb *inp;
|
|
int s, error;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
s = splnet();
|
|
if (inp == 0) {
|
|
splx(s);
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
if (sopt->sopt_level != IPPROTO_SCTP) {
|
|
/* wrong proto level... send back up to IP */
|
|
#ifdef INET6
|
|
if (INP_CHECK_SOCKAF(so, AF_INET6))
|
|
error = ip6_ctloutput(so, sopt);
|
|
else
|
|
#endif /* INET6 */
|
|
error = ip_ctloutput(so, sopt);
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
if (sopt->sopt_valsize) {
|
|
if (sopt->sopt_valsize < MLEN) {
|
|
m = sctp_get_mbuf_for_msg(1, 0, M_WAIT, 1, MT_DATA);
|
|
} else {
|
|
m = sctp_get_mbuf_for_msg(sopt->sopt_valsize, 0, M_WAIT, 1, MT_DATA);
|
|
}
|
|
if (m == NULL) {
|
|
sctp_m_freem(m);
|
|
splx(s);
|
|
return (ENOBUFS);
|
|
}
|
|
if (sopt->sopt_valsize > M_TRAILINGSPACE(m)) {
|
|
/* Limit to actual size gotten */
|
|
sopt->sopt_valsize = M_TRAILINGSPACE(m);
|
|
}
|
|
error = sooptcopyin(sopt, mtod(m, caddr_t), sopt->sopt_valsize,
|
|
sopt->sopt_valsize);
|
|
if (error) {
|
|
(void)sctp_m_free(m);
|
|
goto out;
|
|
}
|
|
m->m_len = sopt->sopt_valsize;
|
|
}
|
|
if (sopt->sopt_dir == SOPT_SET) {
|
|
error = sctp_optsset(so, sopt->sopt_name, &m, sopt->sopt_td);
|
|
} else if (sopt->sopt_dir == SOPT_GET) {
|
|
error = sctp_optsget(so, sopt->sopt_name, &m, sopt->sopt_td);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
if ((error == 0) && (m != NULL)) {
|
|
error = sooptcopyout(sopt, mtod(m, caddr_t), m->m_len);
|
|
sctp_m_freem(m);
|
|
} else if (m != NULL) {
|
|
sctp_m_freem(m);
|
|
}
|
|
out:
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
|
|
|
|
static int
|
|
sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
|
|
{
|
|
int s = splnet();
|
|
|
|
int error = 0;
|
|
int create_lock_on = 0;
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_tcb *stcb = NULL;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
splx(s);
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_ASOC_CREATE_LOCK(inp);
|
|
create_lock_on = 1;
|
|
|
|
SCTP_INP_INCR_REF(inp);
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
|
|
/* Should I really unlock ? */
|
|
error = EFAULT;
|
|
goto out_now;
|
|
}
|
|
#ifdef INET6
|
|
if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
|
|
(addr->sa_family == AF_INET6)) {
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
#endif /* INET6 */
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
|
|
SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* Bind a ephemeral port */
|
|
error = sctp_inpcb_bind(so, NULL, p);
|
|
if (error) {
|
|
goto out_now;
|
|
}
|
|
}
|
|
/* Now do we connect? */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
error = EADDRINUSE;
|
|
goto out_now;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
/*
|
|
* Raise the count a second time, since on sucess
|
|
* f-a-ep_addr will decrement it.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
if (stcb != NULL) {
|
|
/* Already have or am bring up an association */
|
|
error = EALREADY;
|
|
goto out_now;
|
|
}
|
|
/* We are GOOD to go */
|
|
stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0);
|
|
if (stcb == NULL) {
|
|
/* Gak! no memory */
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
|
|
/* Set the connected flag so we can queue data */
|
|
soisconnecting(so);
|
|
}
|
|
stcb->asoc.state = SCTP_STATE_COOKIE_WAIT;
|
|
SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
|
|
/* initialize authentication parameters for the assoc */
|
|
sctp_initialize_auth_params(inp, stcb);
|
|
|
|
sctp_send_initiate(inp, stcb);
|
|
out_now:
|
|
if (create_lock_on)
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_DECR_REF(inp);
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
int
|
|
sctp_listen(struct socket *so, int backlog, struct thread *p)
|
|
{
|
|
/*
|
|
* Note this module depends on the protocol processing being called
|
|
* AFTER any socket level flags and backlog are applied to the
|
|
* socket. The traditional way that the socket flags are applied is
|
|
* AFTER protocol processing. We have made a change to the
|
|
* sys/kern/uipc_socket.c module to reverse this but this MUST be in
|
|
* place if the socket API for SCTP is to work properly.
|
|
*/
|
|
int s = splnet();
|
|
|
|
int error = 0;
|
|
struct sctp_inpcb *inp;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
splx(s);
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
#ifdef SCTP_LOCK_LOGGING
|
|
sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
|
|
#endif
|
|
SOCK_LOCK(so);
|
|
error = solisten_proto_check(so);
|
|
if (error) {
|
|
SOCK_UNLOCK(so);
|
|
return (error);
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
SOCK_UNLOCK(so);
|
|
return (EADDRINUSE);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* We must do a bind. */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if ((error = sctp_inpcb_bind(so, NULL, p))) {
|
|
/* bind error, probably perm */
|
|
SOCK_UNLOCK(so);
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
} else {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
/* It appears for 7.0 and on, we must always call this. */
|
|
solisten_proto(so, backlog);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
/* remove the ACCEPTCONN flag for one-to-many sockets */
|
|
so->so_options &= ~SO_ACCEPTCONN;
|
|
}
|
|
if (backlog == 0) {
|
|
/* turning off listen */
|
|
so->so_options &= ~SO_ACCEPTCONN;
|
|
}
|
|
SOCK_UNLOCK(so);
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
|
|
static int sctp_defered_wakeup_cnt = 0;
|
|
|
|
int
|
|
sctp_accept(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
int s = splnet();
|
|
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_inpcb *inp;
|
|
union sctp_sockstore store;
|
|
|
|
int error;
|
|
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
|
|
if (inp == 0) {
|
|
splx(s);
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
return (ENOTSUP);
|
|
}
|
|
if (so->so_state & SS_ISDISCONNECTED) {
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (ECONNABORTED);
|
|
}
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
splx(s);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
store = stcb->asoc.primary_destination->ro._l_addr;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (store.sa.sa_family == AF_INET) {
|
|
struct sockaddr_in *sin;
|
|
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
sin->sin_port = ((struct sockaddr_in *)&store)->sin_port;
|
|
sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr;
|
|
*addr = (struct sockaddr *)sin;
|
|
} else {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
|
|
sin6->sin6_family = AF_INET6;
|
|
sin6->sin6_len = sizeof(*sin6);
|
|
sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port;
|
|
|
|
sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr;
|
|
if ((error = sa6_recoverscope(sin6)) != 0)
|
|
return (error);
|
|
*addr = (struct sockaddr *)sin6;
|
|
}
|
|
/* Wake any delayed sleep action */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
|
|
SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
|
|
if (sowriteable(inp->sctp_socket)) {
|
|
sowwakeup_locked(inp->sctp_socket);
|
|
} else {
|
|
SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
|
|
}
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
|
|
SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
|
|
if (soreadable(inp->sctp_socket)) {
|
|
sctp_defered_wakeup_cnt++;
|
|
sorwakeup_locked(inp->sctp_socket);
|
|
} else {
|
|
SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
|
|
}
|
|
}
|
|
}
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
struct sockaddr_in *sin;
|
|
|
|
int s;
|
|
struct sctp_inpcb *inp;
|
|
|
|
/*
|
|
* Do the malloc first in case it blocks.
|
|
*/
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
s = splnet();
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (!inp) {
|
|
splx(s);
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
sin->sin_port = inp->sctp_lport;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
struct sctp_tcb *stcb;
|
|
struct sockaddr_in *sin_a;
|
|
struct sctp_nets *net;
|
|
int fnd;
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
goto notConn;
|
|
}
|
|
fnd = 0;
|
|
sin_a = NULL;
|
|
SCTP_TCB_LOCK(stcb);
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sin_a = (struct sockaddr_in *)&net->ro._l_addr;
|
|
if (sin_a->sin_family == AF_INET) {
|
|
fnd = 1;
|
|
break;
|
|
}
|
|
}
|
|
if ((!fnd) || (sin_a == NULL)) {
|
|
/* punt */
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
goto notConn;
|
|
}
|
|
sin->sin_addr = sctp_ipv4_source_address_selection(inp,
|
|
stcb, (struct route *)&net->ro, net, 0);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* For the bound all case you get back 0 */
|
|
notConn:
|
|
sin->sin_addr.s_addr = 0;
|
|
}
|
|
|
|
} else {
|
|
/* Take the first IPv4 address in the list */
|
|
struct sctp_laddr *laddr;
|
|
int fnd = 0;
|
|
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (laddr->ifa->ifa_addr->sa_family == AF_INET) {
|
|
struct sockaddr_in *sin_a;
|
|
|
|
sin_a = (struct sockaddr_in *)laddr->ifa->ifa_addr;
|
|
sin->sin_addr = sin_a->sin_addr;
|
|
fnd = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!fnd) {
|
|
splx(s);
|
|
SCTP_FREE_SONAME(sin);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return ENOENT;
|
|
}
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
splx(s);
|
|
(*addr) = (struct sockaddr *)sin;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sctp_peeraddr(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
struct sockaddr_in *sin = (struct sockaddr_in *)*addr;
|
|
|
|
int s, fnd;
|
|
struct sockaddr_in *sin_a;
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_nets *net;
|
|
|
|
|
|
/* Do the malloc first in case it blocks. */
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if ((inp == NULL) ||
|
|
((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
|
|
/* UDP type and listeners will drop out here */
|
|
return (ENOTCONN);
|
|
}
|
|
s = splnet();
|
|
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
|
|
/* We must recapture incase we blocked */
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (!inp) {
|
|
splx(s);
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb)
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if (stcb == NULL) {
|
|
splx(s);
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
fnd = 0;
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sin_a = (struct sockaddr_in *)&net->ro._l_addr;
|
|
if (sin_a->sin_family == AF_INET) {
|
|
fnd = 1;
|
|
sin->sin_port = stcb->rport;
|
|
sin->sin_addr = sin_a->sin_addr;
|
|
break;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (!fnd) {
|
|
/* No IPv4 address */
|
|
splx(s);
|
|
SCTP_FREE_SONAME(sin);
|
|
return ENOENT;
|
|
}
|
|
splx(s);
|
|
(*addr) = (struct sockaddr *)sin;
|
|
return (0);
|
|
}
|
|
|
|
struct pr_usrreqs sctp_usrreqs = {
|
|
.pru_abort = sctp_abort,
|
|
.pru_accept = sctp_accept,
|
|
.pru_attach = sctp_attach,
|
|
.pru_bind = sctp_bind,
|
|
.pru_connect = sctp_connect,
|
|
.pru_control = in_control,
|
|
.pru_close = sctp_close,
|
|
.pru_detach = sctp_close,
|
|
.pru_sopoll = sopoll_generic,
|
|
.pru_disconnect = sctp_disconnect,
|
|
.pru_listen = sctp_listen,
|
|
.pru_peeraddr = sctp_peeraddr,
|
|
.pru_send = sctp_sendm,
|
|
.pru_shutdown = sctp_shutdown,
|
|
.pru_sockaddr = sctp_ingetaddr,
|
|
.pru_sosend = sctp_sosend,
|
|
.pru_soreceive = sctp_soreceive
|
|
};
|