X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d52fe63fc81f7e44faaae711812a211a78434976..9bccf70c0258c7cac2dcb80011b2a964d884c552:/bsd/netiso/cltp_usrreq.c diff --git a/bsd/netiso/cltp_usrreq.c b/bsd/netiso/cltp_usrreq.c deleted file mode 100644 index 3f3deff7b..000000000 --- a/bsd/netiso/cltp_usrreq.c +++ /dev/null @@ -1,426 +0,0 @@ -/* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. - * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER - * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ - */ -/* - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)cltp_usrreq.c 8.1 (Berkeley) 6/10/93 - */ - -#ifndef CLTPOVAL_SRC /* XXX -- till files gets changed */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include -#include -#include -#include -#include -#include -#endif - -/* - * CLTP protocol implementation. - * Per ISO 8602, December, 1987. - */ -cltp_init() -{ - - cltb.isop_next = cltb.isop_prev = &cltb; -} - -int cltp_cksum = 1; - - -/* ARGUSED */ -cltp_input(m0, srcsa, dstsa, cons_channel, output) - struct mbuf *m0; - struct sockaddr *srcsa, *dstsa; - u_int cons_channel; - int (*output)(); -{ - register struct isopcb *isop; - register struct mbuf *m = m0; - register u_char *up = mtod(m, u_char *); - register struct sockaddr_iso *src = (struct sockaddr_iso *)srcsa; - int len, hdrlen = *up + 1, dlen = 0; - u_char *uplim = up + hdrlen; - caddr_t dtsap; - - for (len = 0; m; m = m->m_next) - len += m->m_len; - up += 2; /* skip header */ - while (up < uplim) switch (*up) { /* process options */ - case CLTPOVAL_SRC: - src->siso_tlen = up[1]; - src->siso_len = up[1] + TSEL(src) - (caddr_t)src; - if (src->siso_len < sizeof(*src)) - src->siso_len = sizeof(*src); - else if (src->siso_len > sizeof(*src)) { - MGET(m, M_DONTWAIT, MT_SONAME); - if (m == 0) - goto bad; - m->m_len = src->siso_len; - src = mtod(m, struct sockaddr_iso *); - bcopy((caddr_t)srcsa, (caddr_t)src, srcsa->sa_len); - } - bcopy((caddr_t)up + 2, TSEL(src), up[1]); - up += 2 + src->siso_tlen; - continue; - - case CLTPOVAL_DST: - dtsap = 2 + (caddr_t)up; - dlen = up[1]; - up += 2 + dlen; - continue; - - case CLTPOVAL_CSM: - if (iso_check_csum(m0, len)) { - cltpstat.cltps_badsum++; - goto bad; - } - up += 4; - continue; - - default: - printf("clts: unknown option (%x)\n", up[0]); - cltpstat.cltps_hdrops++; - goto bad; - } - if (dlen == 0 || src->siso_tlen == 0) - goto bad; - for (isop = cltb.isop_next;; isop = isop->isop_next) { - if (isop == &cltb) { - cltpstat.cltps_noport++; - goto bad; - } - if (isop->isop_laddr && - bcmp(TSEL(isop->isop_laddr), dtsap, dlen) == 0) - break; - } - m = m0; - m->m_len -= hdrlen; - m->m_data += hdrlen; - if (sbappendaddr(&isop->isop_socket->so_rcv, (struct sockaddr *)src, - m, (struct mbuf *)0) == 0) - goto bad; - cltpstat.cltps_ipackets++; - sorwakeup(isop->isop_socket); - m0 = 0; -bad: - if (src != (struct sockaddr_iso *)srcsa) - m_freem(dtom(src)); - if (m0) - m_freem(m0); - return 0; -} - -/* - * Notify a cltp user of an asynchronous error; - * just wake up so that he can collect error status. - */ -cltp_notify(isop) - register struct isopcb *isop; -{ - - sorwakeup(isop->isop_socket); - sowwakeup(isop->isop_socket); -} - -cltp_ctlinput(cmd, sa) - int cmd; - struct sockaddr *sa; -{ - extern u_char inetctlerrmap[]; - struct sockaddr_iso *siso; - int iso_rtchange(); - - if ((unsigned)cmd > PRC_NCMDS) - return; - if (sa->sa_family != AF_ISO && sa->sa_family != AF_CCITT) - return; - siso = (struct sockaddr_iso *)sa; - if (siso == 0 || siso->siso_nlen == 0) - return; - - switch (cmd) { - case PRC_ROUTEDEAD: - case PRC_REDIRECT_NET: - case PRC_REDIRECT_HOST: - case PRC_REDIRECT_TOSNET: - case PRC_REDIRECT_TOSHOST: - iso_pcbnotify(&cltb, siso, - (int)inetctlerrmap[cmd], iso_rtchange); - break; - - default: - if (inetctlerrmap[cmd] == 0) - return; /* XXX */ - iso_pcbnotify(&cltb, siso, (int)inetctlerrmap[cmd], - cltp_notify); - } -} - -cltp_output(isop, m) - register struct isopcb *isop; - register struct mbuf *m; -{ - register int len; - register struct sockaddr_iso *siso; - int hdrlen, error = 0, docsum; - register u_char *up; - - if (isop->isop_laddr == 0 || isop->isop_faddr == 0) { - error = ENOTCONN; - goto bad; - } - /* - * Calculate data length and get a mbuf for CLTP header. - */ - hdrlen = 2 + 2 + isop->isop_laddr->siso_tlen - + 2 + isop->isop_faddr->siso_tlen; - if (docsum = /*isop->isop_flags & CLNP_NO_CKSUM*/ cltp_cksum) - hdrlen += 4; - M_PREPEND(m, hdrlen, M_WAIT); - len = m->m_pkthdr.len; - /* - * Fill in mbuf with extended CLTP header - */ - up = mtod(m, u_char *); - up[0] = hdrlen - 1; - up[1] = UD_TPDU_type; - up[2] = CLTPOVAL_SRC; - up[3] = (siso = isop->isop_laddr)->siso_tlen; - up += 4; - bcopy(TSEL(siso), (caddr_t)up, siso->siso_tlen); - up += siso->siso_tlen; - up[0] = CLTPOVAL_DST; - up[1] = (siso = isop->isop_faddr)->siso_tlen; - up += 2; - bcopy(TSEL(siso), (caddr_t)up, siso->siso_tlen); - /* - * Stuff checksum and output datagram. - */ - if (docsum) { - up += siso->siso_tlen; - up[0] = CLTPOVAL_CSM; - up[1] = 2; - iso_gen_csum(m, 2 + up - mtod(m, u_char *), len); - } - cltpstat.cltps_opackets++; - return (tpclnp_output(isop, m, len, !docsum)); -bad: - m_freem(m); - return (error); -} - -u_long cltp_sendspace = 9216; /* really max datagram size */ -u_long cltp_recvspace = 40 * (1024 + sizeof(struct sockaddr_iso)); - /* 40 1K datagrams */ - - -/*ARGSUSED*/ -cltp_usrreq(so, req, m, nam, control) - struct socket *so; - int req; - struct mbuf *m, *nam, *control; -{ - register struct isopcb *isop = sotoisopcb(so); - int s, error = 0; - - if (req == PRU_CONTROL) - return (iso_control(so, (int)m, (caddr_t)nam, - (struct ifnet *)control)); - if ((isop == NULL && req != PRU_ATTACH) || - (control && control->m_len)) { - error = EINVAL; - goto release; - } - switch (req) { - - case PRU_ATTACH: - if (isop != NULL) { - error = EINVAL; - break; - } - error = iso_pcballoc(so, &cltb); - if (error) - break; - error = soreserve(so, cltp_sendspace, cltp_recvspace); - if (error) - break; - break; - - case PRU_DETACH: - iso_pcbdetach(isop); - break; - - case PRU_BIND: - error = iso_pcbbind(isop, nam); - break; - - case PRU_LISTEN: - error = EOPNOTSUPP; - break; - - case PRU_CONNECT: - if (isop->isop_faddr) { - error = EISCONN; - break; - } - error = iso_pcbconnect(isop, nam); - if (error == 0) - soisconnected(so); - break; - - case PRU_CONNECT2: - error = EOPNOTSUPP; - break; - - case PRU_ACCEPT: - error = EOPNOTSUPP; - break; - - case PRU_DISCONNECT: - if (isop->isop_faddr == 0) { - error = ENOTCONN; - break; - } - iso_pcbdisconnect(isop); - so->so_state &= ~SS_ISCONNECTED; /* XXX */ - break; - - case PRU_SHUTDOWN: - socantsendmore(so); - break; - - case PRU_SEND: - if (nam) { - if (isop->isop_faddr) { - error = EISCONN; - break; - } - /* - * Must block input while temporarily connected. - */ - s = splnet(); - error = iso_pcbconnect(isop, nam); - if (error) { - splx(s); - break; - } - } else { - if (isop->isop_faddr == 0) { - error = ENOTCONN; - break; - } - } - error = cltp_output(isop, m); - m = 0; - if (nam) { - iso_pcbdisconnect(isop); - splx(s); - } - break; - - case PRU_ABORT: - soisdisconnected(so); - iso_pcbdetach(isop); - break; - - case PRU_SOCKADDR: - if (isop->isop_laddr) - bcopy((caddr_t)isop->isop_laddr, mtod(m, caddr_t), - nam->m_len = isop->isop_laddr->siso_len); - break; - - case PRU_PEERADDR: - if (isop->isop_faddr) - bcopy((caddr_t)isop->isop_faddr, mtod(m, caddr_t), - nam->m_len = isop->isop_faddr->siso_len); - break; - - case PRU_SENSE: - /* - * stat: don't bother with a blocksize. - */ - return (0); - - case PRU_SENDOOB: - case PRU_FASTTIMO: - case PRU_SLOWTIMO: - case PRU_PROTORCV: - case PRU_PROTOSEND: - error = EOPNOTSUPP; - break; - - case PRU_RCVD: - case PRU_RCVOOB: - return (EOPNOTSUPP); /* do not free mbuf's */ - - default: - panic("cltp_usrreq"); - } -release: - if (control != NULL) - m_freem(control); - if (m != NULL) - m_freem(m); - return (error); -}