ListenSocket::ListenSocket(ConfigTag* tag, const irc::sockets::sockaddrs& bind_to)
: bind_tag(tag)
+ , bind_sa(bind_to)
{
- irc::sockets::satoap(bind_to, bind_addr, bind_port);
- bind_desc = bind_to.str();
+ // Are we creating a UNIX socket?
+ if (bind_to.family() == AF_UNIX)
+ {
+ // Is 'replace' enabled?
+ const bool replace = tag->getBool("replace");
+ if (replace && irc::sockets::isunix(bind_to.str()))
+ unlink(bind_to.str().c_str());
+ }
- fd = socket(bind_to.sa.sa_family, SOCK_STREAM, 0);
+ fd = socket(bind_to.family(), SOCK_STREAM, 0);
if (this->fd == -1)
return;
* is "::" or an IPv6 address, disable support so that an IPv4 bind will
* work on the port (by us or another application).
*/
- if (bind_to.sa.sa_family == AF_INET6)
+ if (bind_to.family() == AF_INET6)
{
std::string addr = tag->getString("address");
/* This must be >= sizeof(DWORD) on Windows */
#endif
}
+ if (bind_to.family() == AF_UNIX)
+ {
+ const std::string permissionstr = tag->getString("permissions");
+ unsigned int permissions = strtoul(permissionstr.c_str(), NULL, 8);
+ if (permissions && permissions <= 07777)
+ chmod(bind_to.str().c_str(), permissions);
+ }
+
SocketEngine::SetReuse(fd);
int rv = SocketEngine::Bind(this->fd, bind_to);
if (rv >= 0)
{
ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Shut down listener on fd %d", this->fd);
SocketEngine::Shutdown(this, 2);
+
if (SocketEngine::Close(this) != 0)
ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Failed to cancel listener: %s", strerror(errno));
+
+ if (bind_sa.family() == AF_UNIX && unlink(bind_sa.un.sun_path))
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Failed to unlink UNIX socket: %s", strerror(errno));
}
}
void ListenSocket::OnEventHandlerRead()
{
irc::sockets::sockaddrs client;
- irc::sockets::sockaddrs server;
+ irc::sockets::sockaddrs server(bind_sa);
socklen_t length = sizeof(client);
int incomingSockfd = SocketEngine::Accept(this, &client.sa, &length);
- ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Accepting connection on socket %s fd %d", bind_desc.c_str(), incomingSockfd);
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Accepting connection on socket %s fd %d", bind_sa.str().c_str(), incomingSockfd);
if (incomingSockfd < 0)
{
ServerInstance->stats.Refused++;
if (getsockname(incomingSockfd, &server.sa, &sz))
{
ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Can't get peername: %s", strerror(errno));
- irc::sockets::aptosa(bind_addr, bind_port, server);
}
- if (client.sa.sa_family == AF_INET6)
+ if (client.family() == AF_INET6)
{
/*
* This case is the be all and end all patch to catch and nuke 4in6
memcpy(&server.in4.sin_addr.s_addr, server.in6.sin6_addr.s6_addr + 12, sizeof(uint32_t));
}
}
+ else if (client.family() == AF_UNIX)
+ {
+ // Clients connecting via UNIX sockets don't have paths so give them
+ // the server path as defined in RFC 1459 section 8.1.1.
+ //
+ // strcpy is safe here because sizeof(sockaddr_un.sun_path) is equal on both.
+ strcpy(client.un.sun_path, server.un.sun_path);
+ }
SocketEngine::NonBlocking(incomingSockfd);
if (res == MOD_RES_PASSTHRU)
{
std::string type = bind_tag->getString("type", "clients");
- if (type == "clients")
+ if (stdalgo::string::equalsci(type, "clients"))
{
ServerInstance->Users->AddUser(incomingSockfd, this, &client, &server);
res = MOD_RES_ALLOW;
{
ServerInstance->stats.Refused++;
ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "Refusing connection on %s - %s",
- bind_desc.c_str(), res == MOD_RES_DENY ? "Connection refused by module" : "Module for this port not found");
+ bind_sa.str().c_str(), res == MOD_RES_DENY ? "Connection refused by module" : "Module for this port not found");
SocketEngine::Close(incomingSockfd);
}
}