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Make sure IPv6 sockets are IPv6 only.

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This commit is contained in:
Guus Sliepen 2008-12-11 20:49:14 +00:00
parent 6e80da3370
commit 911c05f873
1 changed files with 16 additions and 0 deletions
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16
src/net_socket.c
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@ -99,6 +99,11 @@ int setup_listen_socket(const sockaddr_t *sa) {
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof option);
#if defined(SOL_IPV6) && defined(IPV6_V6ONLY)
if(sa->sa.sa_family == AF_INET6)
setsockopt(nfd, SOL_IPV6, IPV6_V6ONLY, &option, sizeof option);
#endif
if(get_config_string
(lookup_config(config_tree, "BindToInterface"), &iface)) {
#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
@ -177,6 +182,11 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof option);
#if defined(SOL_IPV6) && defined(IPV6_V6ONLY)
if(sa->sa.sa_family == AF_INET6)
setsockopt(nfd, SOL_IPV6, IPV6_V6ONLY, &option, sizeof option);
#endif
#if defined(SOL_IP) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
{
bool choice;
@ -320,6 +330,12 @@ begin:
goto begin;
}
#if defined(SOL_IPV6) && defined(IPV6_V6ONLY)
int option = 1;
if(c->address.sa.sa_family == AF_INET6)
setsockopt(c->socket, SOL_IPV6, IPV6_V6ONLY, &option, sizeof option);
#endif
/* Optimize TCP settings */
configure_tcp(c);