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List:       strongswan-announce
Subject:    Re: [strongSwan-dev] set_address function in tun_device.c file is throwing buffer overflow error
From:       Tobias Brunner <tobias () strongswan ! org>
Date:       2015-03-09 9:38:02
Message-ID: 54FD69FA.7030806 () strongswan ! org
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> set_address API in the tun_device.c is throwing buffer overflow error
> when assigning ipv6 ip address to the virtual interface.
> 
> Kindly help provide a fix for this issue.

tun_device_t does currently not provide support for IPv6 (the ioctls for
IPv6 are quire different, and different for each platform - I did some
experiments a year ago in the tun-device-ipv6 branch).  To avoid the
buffer overflow, you could add a check for the address family in
set_address() and return FALSE if it is AF_INET6.

Regards,
Tobias

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