/*
* add_connection - creates a client which has just connected to us on
* the given fd. The sockhost field is initialized with the ip# of the host.
* The client is sent to the auth module for verification, and not put in
* any client list yet.
*/
static void
add_connection(struct Listener *listener, int fd, struct sockaddr *sai)
{
struct Client *new_client;
s_assert(NULL != listener);
/*
* get the client socket name from the socket
* the client has already been checked out in accept_connection
*/
new_client = make_client(NULL);
memcpy(&new_client->localClient->ip, sai, sizeof(struct irc_sockaddr_storage));
/*
* copy address to 'sockhost' as a string, copy it to host too
* so we have something valid to put into error messages...
*/
inetntop_sock((struct sockaddr *) &new_client->localClient->ip, new_client->sockhost,
sizeof(new_client->sockhost));
strlcpy(new_client->host, new_client->sockhost, sizeof(new_client->host));
#ifdef IPV6
if(new_client->localClient->ip.ss_family == AF_INET6
&& ConfigFileEntry.dot_in_ip6_addr == 1)
{
strlcat(new_client->host, ".", sizeof(new_client->host));
}
#endif
new_client->localClient->fd = fd;
new_client->localClient->listener = listener;
++listener->ref_count;
if(check_reject(new_client))
return;
start_auth(new_client);
}
static int
accept_precallback(rb_fde_t *F, struct sockaddr *addr, rb_socklen_t addrlen, void *data)
{
struct Listener *listener = (struct Listener *)data;
char buf[BUFSIZE];
struct ConfItem *aconf;
static time_t last_oper_notice = 0;
int len;
if(listener->ssl && (!ssl_ok || !get_ssld_count()))
{
rb_close(F);
return 0;
}
if((maxconnections - 10) < rb_get_fd(F)) /* XXX this is kinda bogus */
{
++ServerStats.is_ref;
/*
* slow down the whining to opers bit
*/
if((last_oper_notice + 20) <= rb_current_time())
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"All connections in use. (%s)",
get_listener_name(listener));
last_oper_notice = rb_current_time();
}
rb_write(F, "ERROR :All connections in use\r\n", 32);
rb_close(F);
/* Re-register a new IO request for the next accept .. */
return 0;
}
aconf = find_dline(addr, addr->sa_family);
if(aconf != NULL && (aconf->status & CONF_EXEMPTDLINE))
return 1;
/* Do an initial check we aren't connecting too fast or with too many
* from this IP... */
if(aconf != NULL)
{
ServerStats.is_ref++;
if(ConfigFileEntry.dline_with_reason)
{
len = rb_snprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", get_user_ban_reason(aconf));
if (len >= (int)(sizeof(buf)-1))
{
buf[sizeof(buf) - 3] = '\r';
buf[sizeof(buf) - 2] = '\n';
buf[sizeof(buf) - 1] = '\0';
}
}
else
strcpy(buf, "ERROR :You have been D-lined.\r\n");
rb_write(F, buf, strlen(buf));
rb_close(F);
return 0;
}
if(check_reject(F, addr))
return 0;
if(throttle_add(addr))
{
rb_write(F, toofast, strlen(toofast));
rb_close(F);
return 0;
}
return 1;
}
