summaryrefslogtreecommitdiff
path: root/sys/netinet/ip_divert.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netinet/ip_divert.c')
-rw-r--r--sys/netinet/ip_divert.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
deleted file mode 100644
index 8614a070c09..00000000000
--- a/sys/netinet/ip_divert.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/* $OpenBSD: ip_divert.c,v 1.1 2009/09/08 17:00:41 michele Exp $ */
-
-/*
- * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/protosw.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/sysctl.h>
-
-#include <net/if.h>
-#include <net/route.h>
-#include <net/netisr.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/in_var.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
-#include <netinet/in_pcb.h>
-#include <netinet/ip_divert.h>
-
-#include "pf.h"
-#if NPF > 0
-#include <net/pfvar.h>
-#endif
-
-struct inpcbtable divbtable;
-
-#ifndef DIVERT_SENDSPACE
-#define DIVERT_SENDSPACE (65536 + 100)
-#endif
-u_int divert_sendspace = DIVERT_SENDSPACE;
-#ifndef DIVERT_RECVSPACE
-#define DIVERT_RECVSPACE (65536 + 100)
-#endif
-u_int divert_recvspace = DIVERT_RECVSPACE;
-
-#ifndef DIVERTHASHSIZE
-#define DIVERTHASHSIZE 128
-#endif
-
-int *divertctl_vars[DIVERTCTL_MAXID] = DIVERTCTL_VARS;
-
-int divbhashsize = DIVERTHASHSIZE;
-
-void divert_detach(struct inpcb *);
-
-void
-divert_init()
-{
- in_pcbinit(&divbtable, divbhashsize);
-}
-
-/* Dummy function, so drop */
-void
-divert_input(struct mbuf *m, ...)
-{
- m_freem(m);
-}
-
-int
-divert_output(struct mbuf *m, ...)
-{
- struct inpcb *inp;
- struct ifqueue *inq;
- struct mbuf *nam, *control;
- struct sockaddr_in *sin;
- struct socket *so;
- struct ifaddr *ifa;
- int s, error = 0;
- va_list ap;
-
- va_start(ap, m);
- inp = va_arg(ap, struct inpcb *);
- nam = va_arg(ap, struct mbuf *);
- control = va_arg(ap, struct mbuf *);
- va_end(ap);
-
- m->m_pkthdr.rcvif = NULL;
- m->m_nextpkt = NULL;
-
- if (control)
- m_freem(control);
-
- sin = mtod(nam, struct sockaddr_in *);
- so = inp->inp_socket;
-
- m->m_pkthdr.pf.flags |= PF_TAG_DIVERTED_PACKET;
-
- if (sin->sin_addr.s_addr != INADDR_ANY) {
- ifa = ifa_ifwithaddr((struct sockaddr *)sin, 0);
- if (ifa == NULL) {
- m_freem(m);
- return (EADDRNOTAVAIL);
- }
- m->m_pkthdr.rcvif = ifa->ifa_ifp;
-
- inq = &ipintrq;
-
- s = splnet();
- IF_INPUT_ENQUEUE(inq, m);
- schednetisr(NETISR_IP);
- splx(s);
- } else {
- error = ip_output(m, (void *)NULL, &inp->inp_route,
- ((so->so_options & SO_DONTROUTE) ? IP_ROUTETOIF : 0)
- | IP_ALLOWBROADCAST | IP_RAWOUTPUT, (void *)NULL,
- (void *)NULL);
- }
-
- return (error);
-}
-
-void
-divert_packet(struct mbuf *m, int dir)
-{
- struct inpcb *inp;
- struct socket *sa = NULL;
- struct sockaddr_in addr;
- struct pf_divert *pd;
-
- if (m->m_len < sizeof(struct ip) &&
- (m = m_pullup(m, sizeof(struct ip))) == NULL)
- return;
-
- pd = pf_find_divert(m);
- if (pd == NULL) {
- m_freem(m);
- return;
- }
-
- bzero(&addr, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_len = sizeof(addr);
-
- if (dir == PF_IN) {
- struct ifaddr *ifa;
- struct ifnet *ifp;
-
- ifp = m->m_pkthdr.rcvif;
- TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list) {
- if (ifa->ifa_addr->sa_family != AF_INET)
- continue;
- addr.sin_addr.s_addr = ((struct sockaddr_in *)
- ifa->ifa_addr)->sin_addr.s_addr;
- break;
- }
- }
-
- CIRCLEQ_FOREACH(inp, &divbtable.inpt_queue, inp_queue) {
- if (inp->inp_lport != pd->port)
- continue;
-
- sa = inp->inp_socket;
- if (sbappendaddr(&sa->so_rcv, (struct sockaddr *)&addr,
- m, NULL) == 0) {
- m_freem(m);
- return;
- } else
- sorwakeup(inp->inp_socket);
- break;
- }
-
- if (sa == NULL)
- m_freem(m);
-}
-
-/*ARGSUSED*/
-int
-divert_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *addr,
- struct mbuf *control, struct proc *p)
-{
- struct inpcb *inp = sotoinpcb(so);
- int error = 0;
- int s;
-
- if (req == PRU_CONTROL) {
- return (in_control(so, (u_long)m, (caddr_t)addr,
- (struct ifnet *)control));
- }
- if (inp == NULL && req != PRU_ATTACH) {
- error = EINVAL;
- goto release;
- }
- switch (req) {
-
- case PRU_ATTACH:
- if (inp != NULL) {
- error = EINVAL;
- break;
- }
- if ((so->so_state & SS_PRIV) == 0) {
- error = EACCES;
- break;
- }
- s = splsoftnet();
- error = in_pcballoc(so, &divbtable);
- splx(s);
- if (error)
- break;
-
- error = soreserve(so, divert_sendspace, divert_recvspace);
- if (error)
- break;
- ((struct inpcb *) so->so_pcb)->inp_flags |= INP_HDRINCL;
- break;
-
- case PRU_DETACH:
- divert_detach(inp);
- break;
-
- case PRU_BIND:
- s = splsoftnet();
- error = in_pcbbind(inp, addr, p);
- splx(s);
- break;
-
- case PRU_SHUTDOWN:
- socantsendmore(so);
- break;
-
- case PRU_SEND:
- return (divert_output(m, inp, addr, control));
-
- case PRU_ABORT:
- soisdisconnected(so);
- divert_detach(inp);
- break;
-
- case PRU_SOCKADDR:
- in_setsockaddr(inp, addr);
- break;
-
- case PRU_PEERADDR:
- in_setpeeraddr(inp, addr);
- break;
-
- case PRU_SENSE:
- return (0);
-
- case PRU_LISTEN:
- case PRU_CONNECT:
- case PRU_CONNECT2:
- case PRU_ACCEPT:
- case PRU_DISCONNECT:
- 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("divert_usrreq");
- }
-
-release:
- if (control) {
- m_freem(control);
- }
- if (m)
- m_freem(m);
- return (error);
-}
-
-void
-divert_detach(struct inpcb *inp)
-{
- int s = splsoftnet();
-
- in_pcbdetach(inp);
- splx(s);
-}
-
-/*
- * Sysctl for divert variables.
- */
-int
-divert_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
- size_t newlen)
-{
- if (namelen != 1)
- return (ENOTDIR);
-
- switch (name[0]) {
- case DIVERTCTL_SENDSPACE:
- return (sysctl_int(oldp, oldlenp, newp, newlen,
- &divert_sendspace));
- case DIVERTCTL_RECVSPACE:
- return (sysctl_int(oldp, oldlenp, newp, newlen,
- &divert_recvspace));
- default:
- if (name[0] < DIVERTCTL_MAXID)
- return sysctl_int_arr(divertctl_vars, name, namelen,
- oldp, oldlenp, newp, newlen);
-
- return (ENOPROTOOPT);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 12:45:49 +0000