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Make sure IPv6 sockets are IPv6 only.

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This will get rid of the "Can't bind to 0.0.0.0 port 655/tcp: Address already
in use" message on Linux.
This commit is contained in:
Guus Sliepen 2008-12-22 19:40:40 +00:00
parent c6830ba821
commit 26b490e86b
1 changed files with 16 additions and 0 deletions
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16
src/net_socket.c
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@ -102,6 +102,11 @@ 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)
@ -181,6 +186,11 @@ 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;
@ -326,6 +336,12 @@ 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);