1 files changed, 119 insertions, 0 deletions
diff --git a/src/tun.c b/src/tun.c
new file mode 100644
index 0000000..5022156
--- /dev/null
+++ b/src/tun.c
@@ -0,0 +1,119 @@
+/*-
+ * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD: src/usr.sbin/ppp/tun.c,v 1.28.40.1 2010/12/21 17:10:29 kensmith Exp $
+ */
+
+#include <sys/param.h>
+
+#include <sys/socket.h>		/* For IFF_ defines */
+#ifndef __FreeBSD__
+#include <net/if.h>		/* For IFF_ defines */
+#endif
+#include <net/route.h>
+#include <netinet/in.h>
+#include <net/if_types.h>
+#include <net/if_tun.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <sys/un.h>
+
+#include <errno.h>
+#include <string.h>
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+#include <sys/ioctl.h>
+#endif
+#include <stdio.h>
+#include <termios.h>
+#ifdef __NetBSD__
+#include <unistd.h>
+#endif
+
+#include "layer.h"
+#include "mbuf.h"
+#include "log.h"
+#include "id.h"
+#include "timer.h"
+#include "lqr.h"
+#include "hdlc.h"
+#include "defs.h"
+#include "fsm.h"
+#include "throughput.h"
+#include "iplist.h"
+#include "slcompress.h"
+#include "ncpaddr.h"
+#include "ipcp.h"
+#include "filter.h"
+#include "descriptor.h"
+#include "lcp.h"
+#include "ccp.h"
+#include "link.h"
+#include "mp.h"
+#include "iface.h"
+#ifndef NORADIUS
+#include "radius.h"
+#endif
+#include "ipv6cp.h"
+#include "ncp.h"
+#include "bundle.h"
+#include "tun.h"
+
+void
+tun_configure(struct bundle *bundle)
+{
+#ifdef __NetBSD__
+  struct ifreq ifr;
+  int s;
+
+  s = socket(PF_INET, SOCK_DGRAM, 0);
+
+  if (s < 0) {
+    log_Printf(LogERROR, "tun_configure: socket(): %s\n", strerror(errno));
+    return;
+  }
+
+  sprintf(ifr.ifr_name, "tun%d", bundle->unit);
+  ifr.ifr_mtu = bundle->iface->mtu;
+  if (ioctl(s, SIOCSIFMTU, &ifr) < 0)
+      log_Printf(LogERROR, "tun_configure: ioctl(SIOCSIFMTU): %s\n",
+             strerror(errno));
+
+  close(s);
+#else
+  struct tuninfo info;
+
+  memset(&info, '\0', sizeof info);
+  info.type = IFT_PPP;
+  info.mtu = bundle->iface->mtu;
+
+  info.baudrate = bundle->bandwidth;
+#ifdef __OpenBSD__
+  info.flags = IFF_UP|IFF_POINTOPOINT|IFF_MULTICAST;
+#endif
+  if (ID0ioctl(bundle->dev.fd, TUNSIFINFO, &info) < 0)
+    log_Printf(LogERROR, "tun_configure: ioctl(TUNSIFINFO): %s\n",
+	      strerror(errno));
+#endif
+}