Subject: pkg/32871: OpenVPN fails to properly assign IP adress to TAP device ( fix included )
To: None <pkg-manager@netbsd.org, gnats-admin@netbsd.org,>
From: None <kdev@no-log.org>
List: pkgsrc-bugs
Date: 02/18/2006 23:25:00
>Number: 32871
>Category: pkg
>Synopsis: OpenVPN fails to properly assign IP adress to TAP device ( fix included )
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: pkg-manager
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Feb 18 23:25:00 +0000 2006
>Originator: Emmanuel Kasper
>Release: 3.0
>Organization:
Cocoon Technologies
>Environment:
NetBSD dhcppc0 3.0 NetBSD 3.0 (GENERIC_LAPTOP) #0: Mon Dec 19 01:08:52 UTC 2005 builds@works.netbsd.org:/home/builds/ab/netbsd-3-0-RELEASE/i386/200512182024Z-obj/home/builds/ab/netbsd-3-0-RELEASE/src/sys/arch/i386/compile/GENERIC_LAPTOP i386
>Description:
When starting OpenVPN 2.0.5 from pkgsrc using a tap device, openvpn vpn exits with the message, if you request
Sorry, but I don't know how to do 'ifconfig' commands on th
is operating system. You should ifconfig your TUN/TAP device manually or use an
--up script.
This problem is NetBSD specific.
>How-To-Repeat:
Use openvpn with a config file which have :
dev tap
pull
>Fix:
Patch to tun.c : just add the right ifconfig parameters for netbsd's tap
--- tun.c.orig 2006-01-07 17:56:51.000000000 +0000
+++ tun.c 2006-01-07 18:08:22.000000000 +0000
@@ -690,7 +690,19 @@ do_ifconfig (struct tuntap *tt,
tun_mtu
);
else
- no_tap_ifconfig ();
+ /*
+ * NetBSD has distinct tun and tap devices
+ * so we don't need the "link0" extra parameter to specify we want to do
+ * tunneling at the ethernet level
+ */
+ openvpn_snprintf (command_line, sizeof (command_line),
+ IFCONFIG_PATH " %s %s netmask %s mtu %d broadcast %s",
+ actual,
+ ifconfig_local,
+ ifconfig_remote_netmask,
+ tun_mtu,
+ ifconfig_broadcast
+ );
msg (M_INFO, "%s", command_line);
system_check (command_line, es, S_FATAL, "NetBSD ifconfig failed");
tt->did_ifconfig = true;