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-rw-r--r--src/listensocket.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/listensocket.cpp b/src/listensocket.cpp
index 07ae491e0..ae11c3b48 100644
--- a/src/listensocket.cpp
+++ b/src/listensocket.cpp
@@ -33,11 +33,6 @@ ListenSocket::ListenSocket(ConfigTag* tag, const irc::sockets::sockaddrs& bind_t
if (this->fd == -1)
return;
- ServerInstance->SE->SetReuse(fd);
- int rv = ServerInstance->SE->Bind(this->fd, bind_to);
- if (rv >= 0)
- rv = ServerInstance->SE->Listen(this->fd, ServerInstance->Config->MaxConn);
-
#ifdef IPV6_V6ONLY
/* This OS supports IPv6 sockets that can also listen for IPv4
* connections. If our address is "*" or empty, enable both v4 and v6 to
@@ -48,12 +43,19 @@ ListenSocket::ListenSocket(ConfigTag* tag, const irc::sockets::sockaddrs& bind_t
if (bind_to.sa.sa_family == AF_INET6)
{
std::string addr = tag->getString("address");
- const char enable = (addr.empty() || addr == "*") ? 0 : 1;
- setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &enable, sizeof(enable));
+ /* This must be >= sizeof(DWORD) on Windows */
+ const int enable = (addr.empty() || addr == "*") ? 0 : 1;
+ /* This must be before bind() */
+ setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&enable), sizeof(enable));
// errors ignored intentionally
}
#endif
+ ServerInstance->SE->SetReuse(fd);
+ int rv = ServerInstance->SE->Bind(this->fd, bind_to);
+ if (rv >= 0)
+ rv = ServerInstance->SE->Listen(this->fd, ServerInstance->Config->MaxConn);
+
if (rv < 0)
{
int errstore = errno;