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socket-default: to bind to one dynamic port on OS X, create v4 socket before v6

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It seems that the order of binding sockets of different address families to the
same dynamic port must be v6-before-v4 on Linux, but v4-before-v6 on OS X.
This commit is contained in:
Martin Willi 2013-04-11 20:22:06 +02:00
parent a30727fe2b
commit dc35d097b3
1 changed files with 7 additions and 1 deletions
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8
src/libcharon/plugins/socket_default/socket_default_socket.c
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@ -692,9 +692,15 @@ socket_default_socket_t *socket_default_socket_create()
}
/* we allocate IPv6 sockets first as that will reserve randomly allocated
* ports also for IPv4 */
* ports also for IPv4. On OS X, we have to do it the other way round
* for the same effect. */
#ifdef __APPLE__
open_socketpair(this, AF_INET, &this->ipv4, &this->ipv4_natt, "IPv4");
open_socketpair(this, AF_INET6, &this->ipv6, &this->ipv6_natt, "IPv6");
#else /* !__APPLE__ */
open_socketpair(this, AF_INET6, &this->ipv6, &this->ipv6_natt, "IPv6");
open_socketpair(this, AF_INET, &this->ipv4, &this->ipv4_natt, "IPv4");
#endif /* __APPLE__ */
if (this->ipv4 == -1 && this->ipv6 == -1)
{