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Fix possible IPv6 spoofing

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This commit is contained in:
fendo 2013-03-17 20:14:05 +01:00
parent 500bd3b1ae
commit 4ac1a26396
1 changed files with 1 additions and 1 deletions
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2
ppp.c
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@ -2244,7 +2244,7 @@ void processipv6in(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
return;
// no spoof
if (ipv4 != session[s].ip && memcmp(&config->ipv6_prefix, &ip, 8) && sessionbyipv6(ip) != s)
if ((ipv4 != session[s].ip || memcmp(&config->ipv6_prefix, &ip, 8)) && sessionbyipv6(ip) != s)
{
char str[INET6_ADDRSTRLEN];
LOG(5, s, t, "Dropping packet with spoofed IP %s\n",