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Better tun device name length handling.

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Signed-off-by: Benjamin Cama <benoar@dolka.fr>
This commit is contained in:
Benjamin Cama 2011-08-17 00:23:25 +02:00
parent 8f944eeb21
commit 4344f5e9c7
2 changed files with 7 additions and 3 deletions
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4
l2tpns.c
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@ -611,8 +611,8 @@ static void inittun(void)
LOG(0, 0, 0, "Can't set tun interface: %s\n", strerror(errno));
exit(1);
}
assert(strlen(ifr.ifr_name) < sizeof(config->tundevice));
strncpy(config->tundevice, ifr.ifr_name, sizeof(config->tundevice) - 1);
assert(strlen(ifr.ifr_name) < sizeof(config->tundevice) - 1);
strncpy(config->tundevice, ifr.ifr_name, sizeof(config->tundevice));
{
// get the interface index