* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
- * $Id: listener.c 1675 2006-06-15 22:32:23Z jilles $
+ * $Id: listener.c 3460 2007-05-18 20:31:33Z jilles $
*/
#include "stdinc.h"
#include "ircd.h"
#include "ircd_defs.h"
#include "numeric.h"
-#include "commio.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "s_stats.h"
#include "send.h"
-#include "memory.h"
#include "s_auth.h"
#include "reject.h"
+#include "s_conf.h"
+#include "hostmask.h"
#ifndef INADDR_NONE
#define INADDR_NONE ((unsigned int) 0xffffffff)
static listener_t *
make_listener(struct irc_sockaddr_storage *addr)
{
- listener_t *listener = (listener_t *) MyMalloc(sizeof(listener_t));
+ listener_t *listener = (listener_t *) rb_malloc(sizeof(listener_t));
s_assert(0 != listener);
listener->name = me.name;
}
/* free */
- MyFree(listener);
+ rb_free(listener);
}
#define PORTNAMELEN 6 /* ":31337" */
#endif
port = ntohs(((const struct sockaddr_in *)&listener->addr)->sin_port);
- ircsnprintf(buf, sizeof(buf), "%s[%s/%u]", me.name, listener->name, port);
+ rb_snprintf(buf, sizeof(buf), "%s[%s/%u]", me.name, listener->name, port);
return buf;
}
* At first, open a new socket
*/
- fd = comm_socket(listener->addr.ss_family, SOCK_STREAM, 0, "Listener socket");
+ fd = rb_socket(listener->addr.ss_family, SOCK_STREAM, 0, "Listener socket");
#ifdef IPV6
if(listener->addr.ss_family == AF_INET6)
}
}
-
+ /*
+ * At one point, we enforced a strange arbitrary limit here.
+ * We no longer do this, and just check if the fd is valid or not.
+ * -nenolod
+ */
if(fd == -1)
{
report_error("opening listener socket %s:%s",
get_listener_name(listener), errno);
return 0;
}
- else if((HARD_FDLIMIT - 10) < fd)
- {
- report_error("no more connections left for listener %s:%s",
- get_listener_name(listener),
- get_listener_name(listener), errno);
- comm_close(fd);
- return 0;
- }
+
/*
* XXX - we don't want to do all this crap for a listener
* set_sock_opts(listener);
report_error("setting SO_REUSEADDR for listener %s:%s",
get_listener_name(listener),
get_listener_name(listener), errno);
- comm_close(fd);
+ rb_close(fd);
return 0;
}
report_error("binding listener socket %s:%s",
get_listener_name(listener),
get_listener_name(listener), errno);
- comm_close(fd);
+ rb_close(fd);
return 0;
}
report_error("listen failed for %s:%s",
get_listener_name(listener),
get_listener_name(listener), errno);
- comm_close(fd);
+ rb_close(fd);
return 0;
}
return;
if(listener->fd >= 0)
{
- comm_close(listener->fd);
+ rb_close(listener->fd);
listener->fd = -1;
}
* any client list yet.
*/
static void
-add_connection(listener_t *listener, int fd, struct sockaddr *sai)
+add_connection(listener_t *listener, int fd, struct sockaddr *sai, int exempt)
{
struct Client *new_client;
s_assert(NULL != listener);
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->F = rb_add_fd(fd);
new_client->localClient->listener = listener;
++listener->ref_count;
- if(check_reject(new_client))
- return;
+ if(!exempt)
+ {
+ if(check_reject(new_client))
+ return;
+ if(add_unknown_ip(new_client))
+ return;
+ }
+
start_auth(new_client);
}
accept_connection(int pfd, void *data)
{
static time_t last_oper_notice = 0;
-
struct irc_sockaddr_storage sai;
socklen_t addrlen = sizeof(sai);
int fd;
listener_t *listener = data;
- struct ConfItem *aconf;
- char buf[BUFSIZE];
-
+ struct ConfItem *aconf;
+ char buf[BUFSIZE];
+
s_assert(listener != NULL);
if(listener == NULL)
return;
* be accepted until some old is closed first.
*/
- fd = comm_accept(listener->fd, (struct sockaddr *)&sai, &addrlen);
+ fd = rb_accept(listener->fd, (struct sockaddr *)&sai, &addrlen);
if(fd < 0)
{
/* Re-register a new IO request for the next accept .. */
- comm_setselect(listener->fd, FDLIST_SERVICE,
+ rb_setselect(listener->fd, FDLIST_SERVICE,
COMM_SELECT_READ, accept_connection, listener, 0);
return;
}
/*
* check for connection limit
+ * TBD: this is stupid... either we have a socket or we don't. -nenolod
*/
- if((MAXCONNECTIONS - 10) < fd)
+ if((rb_get_maxconnections() - 10) < fd)
{
++ServerStats->is_ref;
/*
}
write(fd, "ERROR :All connections in use\r\n", 32);
- comm_close(fd);
+ rb_close(fd);
/* Re-register a new IO request for the next accept .. */
- comm_setselect(listener->fd, FDLIST_SERVICE,
+ rb_setselect(listener->fd, FDLIST_SERVICE,
COMM_SELECT_READ, accept_connection, listener, 0);
return;
}
/* Do an initial check we aren't connecting too fast or with too many
* from this IP... */
- if((aconf = conf_connect_allowed((struct sockaddr *)&sai, sai.ss_family)) != NULL)
+ aconf = find_dline((struct sockaddr *) &sai, sai.ss_family);
+ /* check it wasn't an exempt */
+ if (aconf != NULL && (aconf->status & CONF_EXEMPTDLINE) == 0)
{
ServerStats->is_ref++;
- if(ConfigFileEntry.dline_with_reason)
- {
- if (ircsnprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", aconf->passwd) >= (sizeof(buf)-1))
- {
- buf[sizeof(buf) - 3] = '\r';
- buf[sizeof(buf) - 2] = '\n';
- buf[sizeof(buf) - 1] = '\0';
- }
- }
- else
- ircsprintf(buf, "ERROR :You have been D-lined.\r\n");
+ if(ConfigFileEntry.dline_with_reason)
+ {
+ if (rb_snprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", aconf->passwd) >= (sizeof(buf)-1))
+ {
+ buf[sizeof(buf) - 3] = '\r';
+ buf[sizeof(buf) - 2] = '\n';
+ buf[sizeof(buf) - 1] = '\0';
+ }
+ }
+ else
+ rb_sprintf(buf, "ERROR :You have been D-lined.\r\n");
- write(fd, buf, strlen(buf));
- comm_close(fd);
+ write(fd, buf, strlen(buf));
+ rb_close(fd);
/* Re-register a new IO request for the next accept .. */
- comm_setselect(listener->fd, FDLIST_SERVICE,
+ rb_setselect(listener->fd, FDLIST_SERVICE,
COMM_SELECT_READ, accept_connection, listener, 0);
return;
}
ServerStats->is_ac++;
- add_connection(listener, fd, (struct sockaddr *)&sai);
+ add_connection(listener, fd, (struct sockaddr *)&sai, aconf ? 1 : 0);
/* Re-register a new IO request for the next accept .. */
- comm_setselect(listener->fd, FDLIST_SERVICE, COMM_SELECT_READ,
+ rb_setselect(listener->fd, FDLIST_SERVICE, COMM_SELECT_READ,
accept_connection, listener, 0);
}