ipx_usrreq.c revision 29366
111819Sjulian/* 211819Sjulian * Copyright (c) 1995, Mike Mitchell 311819Sjulian * Copyright (c) 1984, 1985, 1986, 1987, 1993 411819Sjulian * The Regents of the University of California. All rights reserved. 511819Sjulian * 611819Sjulian * Redistribution and use in source and binary forms, with or without 711819Sjulian * modification, are permitted provided that the following conditions 811819Sjulian * are met: 911819Sjulian * 1. Redistributions of source code must retain the above copyright 1011819Sjulian * notice, this list of conditions and the following disclaimer. 1111819Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1211819Sjulian * notice, this list of conditions and the following disclaimer in the 1311819Sjulian * documentation and/or other materials provided with the distribution. 1411819Sjulian * 3. All advertising materials mentioning features or use of this software 1511819Sjulian * must display the following acknowledgement: 1611819Sjulian * This product includes software developed by the University of 1711819Sjulian * California, Berkeley and its contributors. 1811819Sjulian * 4. Neither the name of the University nor the names of its contributors 1911819Sjulian * may be used to endorse or promote products derived from this software 2011819Sjulian * without specific prior written permission. 2111819Sjulian * 2211819Sjulian * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2311819Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2411819Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2511819Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2611819Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2711819Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2811819Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2911819Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3011819Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3111819Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3211819Sjulian * SUCH DAMAGE. 3311819Sjulian * 3412057Sjulian * @(#)ipx_usrreq.c 3512057Sjulian * 3629366Speter * $Id: ipx_usrreq.c,v 1.16 1997/08/16 19:15:45 wollman Exp $ 3711819Sjulian */ 3811819Sjulian 3911819Sjulian#include <sys/param.h> 4011819Sjulian#include <sys/systm.h> 4119947Sjhay#include <sys/kernel.h> 4211819Sjulian#include <sys/mbuf.h> 4325345Sjhay#include <sys/proc.h> 4411819Sjulian#include <sys/protosw.h> 4511819Sjulian#include <sys/socket.h> 4611819Sjulian#include <sys/socketvar.h> 4719947Sjhay#include <sys/sysctl.h> 4811819Sjulian 4911819Sjulian#include <net/if.h> 5011819Sjulian#include <net/route.h> 5111819Sjulian 5211947Sjulian#include <netinet/in.h> 5311947Sjulian 5411819Sjulian#include <netipx/ipx.h> 5511819Sjulian#include <netipx/ipx_pcb.h> 5611819Sjulian#include <netipx/ipx_if.h> 5711819Sjulian#include <netipx/ipx_var.h> 5811947Sjulian#include <netipx/ipx_ip.h> 5911819Sjulian 6011819Sjulian/* 6111819Sjulian * IPX protocol implementation. 6211819Sjulian */ 6311819Sjulian 6419947Sjhayint ipxsendspace = IPXSNDQ; 6519947SjhaySYSCTL_INT(_net_ipx_ipx, OID_AUTO, ipxsendspace, CTLFLAG_RW, 6619947Sjhay &ipxsendspace, 0, ""); 6719947Sjhayint ipxrecvspace = IPXRCVQ; 6819947SjhaySYSCTL_INT(_net_ipx_ipx, OID_AUTO, ipxrecvspace, CTLFLAG_RW, 6919947Sjhay &ipxrecvspace, 0, ""); 7019947Sjhay 7124659Sjhaystatic int ipx_usr_abort(struct socket *so); 7225345Sjhaystatic int ipx_attach(struct socket *so, int proto, struct proc *p); 7328270Swollmanstatic int ipx_bind(struct socket *so, struct sockaddr *nam, struct proc *p); 7428270Swollmanstatic int ipx_connect(struct socket *so, struct sockaddr *nam, 7528270Swollman struct proc *p); 7624659Sjhaystatic int ipx_detach(struct socket *so); 7724659Sjhaystatic int ipx_disconnect(struct socket *so); 7824659Sjhaystatic int ipx_send(struct socket *so, int flags, struct mbuf *m, 7928270Swollman struct sockaddr *addr, struct mbuf *control, 8028270Swollman struct proc *p); 8124659Sjhaystatic int ipx_shutdown(struct socket *so); 8225345Sjhaystatic int ripx_attach(struct socket *so, int proto, struct proc *p); 8325652Sjhaystatic int ipx_output(struct ipxpcb *ipxp, struct mbuf *m0); 8424659Sjhay 8525652Sjhaystruct pr_usrreqs ipx_usrreqs = { 8624659Sjhay ipx_usr_abort, pru_accept_notsupp, ipx_attach, ipx_bind, 8724659Sjhay ipx_connect, pru_connect2_notsupp, ipx_control, ipx_detach, 8824659Sjhay ipx_disconnect, pru_listen_notsupp, ipx_peeraddr, pru_rcvd_notsupp, 8924659Sjhay pru_rcvoob_notsupp, ipx_send, pru_sense_null, ipx_shutdown, 9029366Speter ipx_sockaddr, sosend, soreceive, sopoll 9124659Sjhay}; 9224659Sjhay 9325652Sjhaystruct pr_usrreqs ripx_usrreqs = { 9424659Sjhay ipx_usr_abort, pru_accept_notsupp, ripx_attach, ipx_bind, 9524659Sjhay ipx_connect, pru_connect2_notsupp, ipx_control, ipx_detach, 9624659Sjhay ipx_disconnect, pru_listen_notsupp, ipx_peeraddr, pru_rcvd_notsupp, 9724659Sjhay pru_rcvoob_notsupp, ipx_send, pru_sense_null, ipx_shutdown, 9829366Speter ipx_sockaddr, sosend, soreceive, sopoll 9924659Sjhay}; 10024659Sjhay 10111819Sjulian/* 10211819Sjulian * This may also be called for raw listeners. 10311819Sjulian */ 10411819Sjulianvoid 10511819Sjulianipx_input(m, ipxp) 10611819Sjulian struct mbuf *m; 10711819Sjulian register struct ipxpcb *ipxp; 10811819Sjulian{ 10911819Sjulian register struct ipx *ipx = mtod(m, struct ipx *); 11011819Sjulian struct ifnet *ifp = m->m_pkthdr.rcvif; 11115245Sjhay struct sockaddr_ipx ipx_ipx; 11211819Sjulian 11325652Sjhay if (ipxp == NULL) 11411819Sjulian panic("No ipxpcb"); 11511819Sjulian /* 11611819Sjulian * Construct sockaddr format source address. 11711819Sjulian * Stuff source address and datagram in user buffer. 11811819Sjulian */ 11915245Sjhay ipx_ipx.sipx_len = sizeof(ipx_ipx); 12015245Sjhay ipx_ipx.sipx_family = AF_IPX; 12111819Sjulian ipx_ipx.sipx_addr = ipx->ipx_sna; 12215245Sjhay ipx_ipx.sipx_zero[0] = '\0'; 12315245Sjhay ipx_ipx.sipx_zero[1] = '\0'; 12425652Sjhay if (ipx_neteqnn(ipx->ipx_sna.x_net, ipx_zeronet) && ifp != NULL) { 12511819Sjulian register struct ifaddr *ifa; 12611819Sjulian 12725652Sjhay for (ifa = ifp->if_addrhead.tqh_first; ifa != NULL; 12820407Swollman ifa = ifa->ifa_link.tqe_next) { 12911819Sjulian if (ifa->ifa_addr->sa_family == AF_IPX) { 13011819Sjulian ipx_ipx.sipx_addr.x_net = 13111819Sjulian IA_SIPX(ifa)->sipx_addr.x_net; 13211819Sjulian break; 13311819Sjulian } 13411819Sjulian } 13511819Sjulian } 13611819Sjulian ipxp->ipxp_rpt = ipx->ipx_pt; 13725652Sjhay if (!(ipxp->ipxp_flags & IPXP_RAWIN) ) { 13825652Sjhay m->m_len -= sizeof(struct ipx); 13925652Sjhay m->m_pkthdr.len -= sizeof(struct ipx); 14025652Sjhay m->m_data += sizeof(struct ipx); 14111819Sjulian } 14211819Sjulian if (sbappendaddr(&ipxp->ipxp_socket->so_rcv, (struct sockaddr *)&ipx_ipx, 14325652Sjhay m, (struct mbuf *)NULL) == 0) 14411819Sjulian goto bad; 14511819Sjulian sorwakeup(ipxp->ipxp_socket); 14611819Sjulian return; 14711819Sjulianbad: 14811819Sjulian m_freem(m); 14911819Sjulian} 15011819Sjulian 15111819Sjulianvoid 15211819Sjulianipx_abort(ipxp) 15311819Sjulian struct ipxpcb *ipxp; 15411819Sjulian{ 15511819Sjulian struct socket *so = ipxp->ipxp_socket; 15611819Sjulian 15711819Sjulian ipx_pcbdisconnect(ipxp); 15811819Sjulian soisdisconnected(so); 15911819Sjulian} 16025652Sjhay 16111819Sjulian/* 16211819Sjulian * Drop connection, reporting 16311819Sjulian * the specified error. 16411819Sjulian */ 16511819Sjulianvoid 16611819Sjulianipx_drop(ipxp, errno) 16711819Sjulian register struct ipxpcb *ipxp; 16811819Sjulian int errno; 16911819Sjulian{ 17011819Sjulian struct socket *so = ipxp->ipxp_socket; 17111819Sjulian 17211819Sjulian /* 17325652Sjhay * someday, in the IPX world 17411819Sjulian * we will generate error protocol packets 17511819Sjulian * announcing that the socket has gone away. 17625652Sjhay * 17725652Sjhay * XXX Probably never. IPX does not have error packets. 17811819Sjulian */ 17911819Sjulian /*if (TCPS_HAVERCVDSYN(tp->t_state)) { 18011819Sjulian tp->t_state = TCPS_CLOSED; 18125652Sjhay tcp_output(tp); 18211819Sjulian }*/ 18311819Sjulian so->so_error = errno; 18411819Sjulian ipx_pcbdisconnect(ipxp); 18511819Sjulian soisdisconnected(so); 18611819Sjulian} 18711819Sjulian 18825652Sjhaystatic int 18911819Sjulianipx_output(ipxp, m0) 19011819Sjulian struct ipxpcb *ipxp; 19111819Sjulian struct mbuf *m0; 19211819Sjulian{ 19311819Sjulian register struct mbuf *m; 19411819Sjulian register struct ipx *ipx; 19511819Sjulian register struct socket *so; 19611819Sjulian register int len = 0; 19711819Sjulian register struct route *ro; 19811819Sjulian struct mbuf *mprev = NULL; 19911819Sjulian 20011819Sjulian /* 20111819Sjulian * Calculate data length. 20211819Sjulian */ 20325652Sjhay for (m = m0; m != NULL; m = m->m_next) { 20411819Sjulian mprev = m; 20511819Sjulian len += m->m_len; 20611819Sjulian } 20711819Sjulian /* 20811819Sjulian * Make sure packet is actually of even length. 20911819Sjulian */ 21011819Sjulian 21111819Sjulian if (len & 1) { 21211819Sjulian m = mprev; 21311819Sjulian if ((m->m_flags & M_EXT) == 0 && 21411819Sjulian (m->m_len + m->m_data < &m->m_dat[MLEN])) { 21511819Sjulian m->m_len++; 21611819Sjulian } else { 21711819Sjulian struct mbuf *m1 = m_get(M_DONTWAIT, MT_DATA); 21811819Sjulian 21925652Sjhay if (m1 == NULL) { 22011819Sjulian m_freem(m0); 22111819Sjulian return (ENOBUFS); 22211819Sjulian } 22311819Sjulian m1->m_len = 1; 22411819Sjulian * mtod(m1, char *) = 0; 22511819Sjulian m->m_next = m1; 22611819Sjulian } 22711819Sjulian m0->m_pkthdr.len++; 22811819Sjulian } 22911819Sjulian 23011819Sjulian /* 23111819Sjulian * Fill in mbuf with extended IPX header 23211819Sjulian * and addresses and length put into network format. 23311819Sjulian */ 23411819Sjulian m = m0; 23511819Sjulian if (ipxp->ipxp_flags & IPXP_RAWOUT) { 23611819Sjulian ipx = mtod(m, struct ipx *); 23711819Sjulian } else { 23825652Sjhay M_PREPEND(m, sizeof(struct ipx), M_DONTWAIT); 23925652Sjhay if (m == NULL) 24011819Sjulian return (ENOBUFS); 24111819Sjulian ipx = mtod(m, struct ipx *); 24211819Sjulian ipx->ipx_tc = 0; 24311819Sjulian ipx->ipx_pt = ipxp->ipxp_dpt; 24411819Sjulian ipx->ipx_sna = ipxp->ipxp_laddr; 24511819Sjulian ipx->ipx_dna = ipxp->ipxp_faddr; 24625652Sjhay len += sizeof(struct ipx); 24711819Sjulian } 24811819Sjulian 24911819Sjulian ipx->ipx_len = htons((u_short)len); 25011819Sjulian 25111819Sjulian if (ipxcksum) { 25211819Sjulian ipx->ipx_sum = 0; 25311819Sjulian len = ((len - 1) | 1) + 1; 25411819Sjulian ipx->ipx_sum = ipx_cksum(m, len); 25511819Sjulian } else 25611819Sjulian ipx->ipx_sum = 0xffff; 25711819Sjulian 25811819Sjulian /* 25911819Sjulian * Output datagram. 26011819Sjulian */ 26111819Sjulian so = ipxp->ipxp_socket; 26211819Sjulian if (so->so_options & SO_DONTROUTE) 26325652Sjhay return (ipx_outputfl(m, (struct route *)NULL, 26411819Sjulian (so->so_options & SO_BROADCAST) | IPX_ROUTETOIF)); 26511819Sjulian /* 26611819Sjulian * Use cached route for previous datagram if 26711819Sjulian * possible. If the previous net was the same 26811819Sjulian * and the interface was a broadcast medium, or 26911819Sjulian * if the previous destination was identical, 27011819Sjulian * then we are ok. 27111819Sjulian * 27211819Sjulian * NB: We don't handle broadcasts because that 27311819Sjulian * would require 3 subroutine calls. 27411819Sjulian */ 27511819Sjulian ro = &ipxp->ipxp_route; 27611819Sjulian#ifdef ancient_history 27711819Sjulian /* 27811819Sjulian * I think that this will all be handled in ipx_pcbconnect! 27911819Sjulian */ 28025652Sjhay if (ro->ro_rt != NULL) { 28111819Sjulian if(ipx_neteq(ipxp->ipxp_lastdst, ipx->ipx_dna)) { 28211819Sjulian /* 28311819Sjulian * This assumes we have no GH type routes 28411819Sjulian */ 28511819Sjulian if (ro->ro_rt->rt_flags & RTF_HOST) { 28611819Sjulian if (!ipx_hosteq(ipxp->ipxp_lastdst, ipx->ipx_dna)) 28711819Sjulian goto re_route; 28811819Sjulian 28911819Sjulian } 29011819Sjulian if ((ro->ro_rt->rt_flags & RTF_GATEWAY) == 0) { 29111819Sjulian register struct ipx_addr *dst = 29211819Sjulian &satoipx_addr(ro->ro_dst); 29311819Sjulian dst->x_host = ipx->ipx_dna.x_host; 29411819Sjulian } 29511819Sjulian /* 29611819Sjulian * Otherwise, we go through the same gateway 29711819Sjulian * and dst is already set up. 29811819Sjulian */ 29911819Sjulian } else { 30011819Sjulian re_route: 30111819Sjulian RTFREE(ro->ro_rt); 30225652Sjhay ro->ro_rt = NULL; 30311819Sjulian } 30411819Sjulian } 30511819Sjulian ipxp->ipxp_lastdst = ipx->ipx_dna; 30611819Sjulian#endif /* ancient_history */ 30711819Sjulian return (ipx_outputfl(m, ro, so->so_options & SO_BROADCAST)); 30811819Sjulian} 30919947Sjhay 31011819Sjulianint 31125345Sjhayipx_ctloutput(req, so, level, name, value, p) 31211819Sjulian int req, level; 31311819Sjulian struct socket *so; 31411819Sjulian int name; 31511819Sjulian struct mbuf **value; 31625345Sjhay struct proc *p; 31711819Sjulian{ 31811819Sjulian register struct mbuf *m; 31911819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 32011819Sjulian int mask, error = 0; 32111819Sjulian 32211819Sjulian if (ipxp == NULL) 32311819Sjulian return (EINVAL); 32411819Sjulian 32511819Sjulian switch (req) { 32611819Sjulian 32711819Sjulian case PRCO_GETOPT: 32825652Sjhay if (value == NULL) 32911819Sjulian return (EINVAL); 33011819Sjulian m = m_get(M_DONTWAIT, MT_DATA); 33125652Sjhay if (m == NULL) 33211819Sjulian return (ENOBUFS); 33311819Sjulian switch (name) { 33411819Sjulian 33511819Sjulian case SO_ALL_PACKETS: 33611819Sjulian mask = IPXP_ALL_PACKETS; 33711819Sjulian goto get_flags; 33811819Sjulian 33911819Sjulian case SO_HEADERS_ON_INPUT: 34011819Sjulian mask = IPXP_RAWIN; 34111819Sjulian goto get_flags; 34211819Sjulian 34311819Sjulian case SO_HEADERS_ON_OUTPUT: 34411819Sjulian mask = IPXP_RAWOUT; 34511819Sjulian get_flags: 34611819Sjulian m->m_len = sizeof(short); 34711819Sjulian *mtod(m, short *) = ipxp->ipxp_flags & mask; 34811819Sjulian break; 34911819Sjulian 35011819Sjulian case SO_DEFAULT_HEADERS: 35111819Sjulian m->m_len = sizeof(struct ipx); 35211819Sjulian { 35311819Sjulian register struct ipx *ipx = mtod(m, struct ipx *); 35411819Sjulian ipx->ipx_len = 0; 35511819Sjulian ipx->ipx_sum = 0; 35611819Sjulian ipx->ipx_tc = 0; 35711819Sjulian ipx->ipx_pt = ipxp->ipxp_dpt; 35811819Sjulian ipx->ipx_dna = ipxp->ipxp_faddr; 35911819Sjulian ipx->ipx_sna = ipxp->ipxp_laddr; 36011819Sjulian } 36111819Sjulian break; 36211819Sjulian 36311819Sjulian case SO_SEQNO: 36411819Sjulian m->m_len = sizeof(long); 36511819Sjulian *mtod(m, long *) = ipx_pexseq++; 36611819Sjulian break; 36711819Sjulian 36811819Sjulian default: 36911819Sjulian error = EINVAL; 37011819Sjulian } 37111819Sjulian *value = m; 37211819Sjulian break; 37311819Sjulian 37411819Sjulian case PRCO_SETOPT: 37511819Sjulian switch (name) { 37611819Sjulian int *ok; 37711819Sjulian 37811819Sjulian case SO_ALL_PACKETS: 37911819Sjulian mask = IPXP_ALL_PACKETS; 38011819Sjulian goto set_head; 38111819Sjulian 38211819Sjulian case SO_HEADERS_ON_INPUT: 38311819Sjulian mask = IPXP_RAWIN; 38411819Sjulian goto set_head; 38511819Sjulian 38611819Sjulian case SO_HEADERS_ON_OUTPUT: 38711819Sjulian mask = IPXP_RAWOUT; 38811819Sjulian set_head: 38911819Sjulian if (value && *value) { 39011819Sjulian ok = mtod(*value, int *); 39111819Sjulian if (*ok) 39211819Sjulian ipxp->ipxp_flags |= mask; 39311819Sjulian else 39411819Sjulian ipxp->ipxp_flags &= ~mask; 39511819Sjulian } else error = EINVAL; 39611819Sjulian break; 39711819Sjulian 39811819Sjulian case SO_DEFAULT_HEADERS: 39911819Sjulian { 40011819Sjulian register struct ipx *ipx 40111819Sjulian = mtod(*value, struct ipx *); 40211819Sjulian ipxp->ipxp_dpt = ipx->ipx_pt; 40311819Sjulian } 40411819Sjulian break; 40511819Sjulian#ifdef IPXIP 40611819Sjulian case SO_IPXIP_ROUTE: 40725345Sjhay error = ipxip_route(so, *value, p); 40811819Sjulian break; 40911819Sjulian#endif /* IPXIP */ 41011819Sjulian#ifdef IPXTUNNEL 41111819Sjulian case SO_IPXTUNNEL_ROUTE 41225345Sjhay error = ipxtun_route(so, *value, p); 41311819Sjulian break; 41411819Sjulian#endif 41511819Sjulian default: 41611819Sjulian error = EINVAL; 41711819Sjulian } 41811819Sjulian if (value && *value) 41911819Sjulian m_freem(*value); 42011819Sjulian break; 42111819Sjulian } 42211819Sjulian return (error); 42311819Sjulian} 42411819Sjulian 42524659Sjhaystatic int 42624659Sjhayipx_usr_abort(so) 42711819Sjulian struct socket *so; 42811819Sjulian{ 42924659Sjhay int s; 43011819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 43111819Sjulian 43224659Sjhay s = splnet(); 43324659Sjhay ipx_pcbdetach(ipxp); 43424659Sjhay splx(s); 43524659Sjhay sofree(so); 43624659Sjhay soisdisconnected(so); 43724659Sjhay return (0); 43824659Sjhay} 43911819Sjulian 44024659Sjhaystatic int 44125345Sjhayipx_attach(so, proto, p) 44224659Sjhay struct socket *so; 44324659Sjhay int proto; 44425345Sjhay struct proc *p; 44524659Sjhay{ 44624659Sjhay int error; 44724659Sjhay int s; 44824659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 44924659Sjhay 45024659Sjhay if (ipxp != NULL) 45124659Sjhay return (EINVAL); 45224659Sjhay s = splnet(); 45325345Sjhay error = ipx_pcballoc(so, &ipxpcb, p); 45424659Sjhay splx(s); 45524659Sjhay if (error == 0) 45619947Sjhay error = soreserve(so, ipxsendspace, ipxrecvspace); 45724659Sjhay return (error); 45824659Sjhay} 45911819Sjulian 46024659Sjhaystatic int 46125345Sjhayipx_bind(so, nam, p) 46224659Sjhay struct socket *so; 46328270Swollman struct sockaddr *nam; 46425345Sjhay struct proc *p; 46524659Sjhay{ 46624659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 46711819Sjulian 46825345Sjhay return (ipx_pcbbind(ipxp, nam, p)); 46924659Sjhay} 47011819Sjulian 47124659Sjhaystatic int 47225345Sjhayipx_connect(so, nam, p) 47324659Sjhay struct socket *so; 47428270Swollman struct sockaddr *nam; 47525345Sjhay struct proc *p; 47624659Sjhay{ 47724659Sjhay int error; 47824659Sjhay int s; 47924659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 48011819Sjulian 48124659Sjhay if (!ipx_nullhost(ipxp->ipxp_faddr)) 48224659Sjhay return (EISCONN); 48324659Sjhay s = splnet(); 48425345Sjhay error = ipx_pcbconnect(ipxp, nam, p); 48524659Sjhay splx(s); 48624659Sjhay if (error == 0) 48724659Sjhay soisconnected(so); 48824659Sjhay return (error); 48924659Sjhay} 49011819Sjulian 49124659Sjhaystatic int 49224659Sjhayipx_detach(so) 49324659Sjhay struct socket *so; 49424659Sjhay{ 49524659Sjhay int s; 49624659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 49711819Sjulian 49824659Sjhay if (ipxp == NULL) 49924659Sjhay return (ENOTCONN); 50024659Sjhay s = splnet(); 50124659Sjhay ipx_pcbdetach(ipxp); 50224659Sjhay splx(s); 50324659Sjhay return (0); 50424659Sjhay} 50511819Sjulian 50624659Sjhaystatic int 50724659Sjhayipx_disconnect(so) 50824659Sjhay struct socket *so; 50924659Sjhay{ 51024659Sjhay int s; 51124659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 51211819Sjulian 51324659Sjhay if (ipx_nullhost(ipxp->ipxp_faddr)) 51424659Sjhay return (ENOTCONN); 51524659Sjhay s = splnet(); 51624659Sjhay ipx_pcbdisconnect(ipxp); 51724659Sjhay splx(s); 51824659Sjhay soisdisconnected(so); 51924659Sjhay return (0); 52024659Sjhay} 52111819Sjulian 52224659Sjhayint 52324659Sjhayipx_peeraddr(so, nam) 52424659Sjhay struct socket *so; 52528270Swollman struct sockaddr **nam; 52624659Sjhay{ 52724659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 52811819Sjulian 52928270Swollman ipx_setpeeraddr(ipxp, nam); /* XXX what if alloc fails? */ 53024659Sjhay return (0); 53124659Sjhay} 53224659Sjhay 53324659Sjhaystatic int 53425345Sjhayipx_send(so, flags, m, nam, control, p) 53524659Sjhay struct socket *so; 53624659Sjhay int flags; 53724659Sjhay struct mbuf *m; 53828270Swollman struct sockaddr *nam; 53924659Sjhay struct mbuf *control; 54025345Sjhay struct proc *p; 54124659Sjhay{ 54224659Sjhay int error; 54324659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 54424659Sjhay struct ipx_addr laddr; 54524659Sjhay int s = 0; 54624659Sjhay 54725652Sjhay if (nam != NULL) { 54824659Sjhay laddr = ipxp->ipxp_laddr; 54924659Sjhay if (!ipx_nullhost(ipxp->ipxp_faddr)) { 55024659Sjhay error = EISCONN; 55124659Sjhay goto send_release; 55211819Sjulian } 55324659Sjhay /* 55424659Sjhay * Must block input while temporarily connected. 55524659Sjhay */ 55624659Sjhay s = splnet(); 55725345Sjhay error = ipx_pcbconnect(ipxp, nam, p); 55824659Sjhay if (error) { 55911819Sjulian splx(s); 56024659Sjhay goto send_release; 56111819Sjulian } 56224659Sjhay } else { 56324659Sjhay if (ipx_nullhost(ipxp->ipxp_faddr)) { 56424659Sjhay error = ENOTCONN; 56524659Sjhay goto send_release; 56624659Sjhay } 56711819Sjulian } 56824659Sjhay error = ipx_output(ipxp, m); 56924659Sjhay m = NULL; 57025652Sjhay if (nam != NULL) { 57124659Sjhay ipx_pcbdisconnect(ipxp); 57224659Sjhay splx(s); 57324659Sjhay ipxp->ipxp_laddr.x_host = laddr.x_host; 57424659Sjhay ipxp->ipxp_laddr.x_port = laddr.x_port; 57524659Sjhay } 57611819Sjulian 57724659Sjhaysend_release: 57811819Sjulian if (m != NULL) 57911819Sjulian m_freem(m); 58011819Sjulian return (error); 58111819Sjulian} 58219947Sjhay 58324659Sjhaystatic int 58424659Sjhayipx_shutdown(so) 58524659Sjhay struct socket *so; 58624659Sjhay{ 58724659Sjhay socantsendmore(so); 58824659Sjhay return (0); 58924659Sjhay} 59024659Sjhay 59111819Sjulianint 59224659Sjhayipx_sockaddr(so, nam) 59311819Sjulian struct socket *so; 59428270Swollman struct sockaddr **nam; 59511819Sjulian{ 59611819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 59711819Sjulian 59828270Swollman ipx_setsockaddr(ipxp, nam); /* XXX what if alloc fails? */ 59924659Sjhay return (0); 60024659Sjhay} 60111819Sjulian 60224659Sjhaystatic int 60325345Sjhayripx_attach(so, proto, p) 60424659Sjhay struct socket *so; 60524659Sjhay int proto; 60625345Sjhay struct proc *p; 60724659Sjhay{ 60824659Sjhay int error = 0; 60924659Sjhay int s; 61024659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 61111819Sjulian 61225652Sjhay if (p != NULL && (error = suser(p->p_ucred, &p->p_acflag)) != 0) 61325345Sjhay return (error); 61424659Sjhay s = splnet(); 61525345Sjhay error = ipx_pcballoc(so, &ipxrawpcb, p); 61624659Sjhay splx(s); 61724659Sjhay if (error) 61824659Sjhay return (error); 61924659Sjhay error = soreserve(so, ipxsendspace, ipxrecvspace); 62024659Sjhay if (error) 62124659Sjhay return (error); 62224659Sjhay ipxp = sotoipxpcb(so); 62324659Sjhay ipxp->ipxp_faddr.x_host = ipx_broadhost; 62424659Sjhay ipxp->ipxp_flags = IPXP_RAWIN | IPXP_RAWOUT; 62511819Sjulian return (error); 62611819Sjulian} 627