diff options
Diffstat (limited to 'c/src/exec/libnetworking/net/raw_usrreq.c')
| -rw-r--r-- | c/src/exec/libnetworking/net/raw_usrreq.c | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/c/src/exec/libnetworking/net/raw_usrreq.c b/c/src/exec/libnetworking/net/raw_usrreq.c deleted file mode 100644 index fb4faf4d6d..0000000000 --- a/c/src/exec/libnetworking/net/raw_usrreq.c +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright (c) 1980, 1986, 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. - * - * @(#)raw_usrreq.c 8.1 (Berkeley) 6/10/93 - * $Id$ - */ - -#include <sys/param.h> -#include <sys/queue.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/domain.h> -#include <sys/protosw.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/errno.h> - -#include <net/if.h> -#include <net/route.h> -#include <net/netisr.h> -#include <net/raw_cb.h> - -/* - * Initialize raw connection block q. - */ -void -raw_init() -{ - - rawcb.rcb_next = rawcb.rcb_prev = &rawcb; -} - - -/* - * Raw protocol input routine. Find the socket - * associated with the packet(s) and move them over. If - * nothing exists for this packet, drop it. - */ -/* - * Raw protocol interface. - */ -void -raw_input(m0, proto, src, dst) - struct mbuf *m0; - register struct sockproto *proto; - struct sockaddr *src, *dst; -{ - register struct rawcb *rp; - register struct mbuf *m = m0; - register int sockets = 0; - struct socket *last; - - last = 0; - for (rp = rawcb.rcb_next; rp != &rawcb; rp = rp->rcb_next) { - if (rp->rcb_proto.sp_family != proto->sp_family) - continue; - if (rp->rcb_proto.sp_protocol && - rp->rcb_proto.sp_protocol != proto->sp_protocol) - continue; - /* - * We assume the lower level routines have - * placed the address in a canonical format - * suitable for a structure comparison. - * - * Note that if the lengths are not the same - * the comparison will fail at the first byte. - */ -#define equal(a1, a2) \ - (bcmp((caddr_t)(a1), (caddr_t)(a2), a1->sa_len) == 0) - if (rp->rcb_laddr && !equal(rp->rcb_laddr, dst)) - continue; - if (rp->rcb_faddr && !equal(rp->rcb_faddr, src)) - continue; - if (last) { - struct mbuf *n; - n = m_copy(m, 0, (int)M_COPYALL); - if (n) { - if (sbappendaddr(&last->so_rcv, src, - n, (struct mbuf *)0) == 0) - /* should notify about lost packet */ - m_freem(n); - else { - sorwakeup(last); - sockets++; - } - } - } - last = rp->rcb_socket; - } - if (last) { - if (sbappendaddr(&last->so_rcv, src, - m, (struct mbuf *)0) == 0) - m_freem(m); - else { - sorwakeup(last); - sockets++; - } - } else - m_freem(m); -} - -/*ARGSUSED*/ -void -raw_ctlinput(cmd, arg, dummy) - int cmd; - struct sockaddr *arg; - void *dummy; -{ - - if (cmd < 0 || cmd > PRC_NCMDS) - return; - /* INCOMPLETE */ -} - -/*ARGSUSED*/ -int -raw_usrreq(so, req, m, nam, control) - struct socket *so; - int req; - struct mbuf *m, *nam, *control; -{ - register struct rawcb *rp = sotorawcb(so); - register int error = 0; - int len; - - if (req == PRU_CONTROL) - return (EOPNOTSUPP); - if (control && control->m_len) { - error = EOPNOTSUPP; - goto release; - } - if (rp == 0) { - error = EINVAL; - goto release; - } - switch (req) { - - /* - * Allocate a raw control block and fill in the - * necessary info to allow packets to be routed to - * the appropriate raw interface routine. - */ - case PRU_ATTACH: - if ((so->so_state & SS_PRIV) == 0) { - error = EACCES; - break; - } - error = raw_attach(so, (int)nam); - break; - - /* - * Destroy state just before socket deallocation. - * Flush data or not depending on the options. - */ - case PRU_DETACH: - if (rp == 0) { - error = ENOTCONN; - break; - } - raw_detach(rp); - break; - - /* - * If a socket isn't bound to a single address, - * the raw input routine will hand it anything - * within that protocol family (assuming there's - * nothing else around it should go to). - */ - case PRU_CONNECT: - error = EINVAL; -#if 0 - if (rp->rcb_faddr) { - error = EISCONN; - break; - } - nam = m_copym(nam, 0, M_COPYALL, M_WAIT); - rp->rcb_faddr = mtod(nam, struct sockaddr *); - soisconnected(so); -#endif - break; - - case PRU_BIND: - error = EINVAL; -#if 0 - if (rp->rcb_laddr) { - error = EINVAL; /* XXX */ - break; - } - error = raw_bind(so, nam); -#endif - break; - - case PRU_CONNECT2: - error = EOPNOTSUPP; - goto release; - - case PRU_DISCONNECT: - if (rp->rcb_faddr == 0) { - error = ENOTCONN; - break; - } - raw_disconnect(rp); - soisdisconnected(so); - break; - - /* - * Mark the connection as being incapable of further input. - */ - case PRU_SHUTDOWN: - socantsendmore(so); - break; - - /* - * Ship a packet out. The appropriate raw output - * routine handles any massaging necessary. - */ - case PRU_SEND: - if (nam) { - if (rp->rcb_faddr) { - error = EISCONN; - break; - } - rp->rcb_faddr = mtod(nam, struct sockaddr *); - } else if (rp->rcb_faddr == 0) { - error = ENOTCONN; - break; - } - error = (*so->so_proto->pr_output)(m, so); - m = NULL; - if (nam) - rp->rcb_faddr = 0; - break; - - case PRU_ABORT: - raw_disconnect(rp); - sofree(so); - soisdisconnected(so); - break; - - case PRU_SENSE: - /* - * stat: don't bother with a blocksize. - */ - return (0); - - /* - * Not supported. - */ - case PRU_RCVOOB: - case PRU_RCVD: - return(EOPNOTSUPP); - - case PRU_LISTEN: - case PRU_ACCEPT: - case PRU_SENDOOB: - error = EOPNOTSUPP; - break; - - case PRU_SOCKADDR: - if (rp->rcb_laddr == 0) { - error = EINVAL; - break; - } - len = rp->rcb_laddr->sa_len; - bcopy((caddr_t)rp->rcb_laddr, mtod(nam, caddr_t), (unsigned)len); - nam->m_len = len; - break; - - case PRU_PEERADDR: - if (rp->rcb_faddr == 0) { - error = ENOTCONN; - break; - } - len = rp->rcb_faddr->sa_len; - bcopy((caddr_t)rp->rcb_faddr, mtod(nam, caddr_t), (unsigned)len); - nam->m_len = len; - break; - - default: - panic("raw_usrreq"); - } -release: - if (m != NULL) - m_freem(m); - return (error); -} |