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-rw-r--r--src/socket.cpp96
1 files changed, 42 insertions, 54 deletions
diff --git a/src/socket.cpp b/src/socket.cpp
index 68b93a4b4..411465ad6 100644
--- a/src/socket.cpp
+++ b/src/socket.cpp
@@ -47,8 +47,10 @@ ListenSocket::ListenSocket(InspIRCd* Instance, int port, char* addr) : ServerIns
if ((!*addr) || (strchr(addr,':')))
this->family = AF_INET6;
else
-#endif
+ this->family = AF_INET;
+#else
this->family = AF_INET;
+#endif
Instance->SE->AddFd(this);
}
}
@@ -67,9 +69,10 @@ ListenSocket::~ListenSocket()
void ListenSocket::HandleEvent(EventType et, int errornum)
{
+ sockaddr* sock_us = new sockaddr[2]; // our port number
+ sockaddr* client = new sockaddr[2];
socklen_t uslen, length; // length of our port number
int incomingSockfd, in_port;
- int clients;
#ifdef IPV6
if (this->family == AF_INET6)
@@ -78,72 +81,57 @@ void ListenSocket::HandleEvent(EventType et, int errornum)
length = sizeof(sockaddr_in6);
}
else
-#endif
{
uslen = sizeof(sockaddr_in);
length = sizeof(sockaddr_in);
}
+#else
+ uslen = sizeof(sockaddr_in);
+ length = sizeof(sockaddr_in);
+#endif
+ incomingSockfd = _accept (this->GetFd(), (sockaddr*)client, &length);
- /*
- * This loop may make you wonder 'why' - simple reason. If we just sit here accept()ing until the
- * metaphorical cows come home, then we could very well end up with unresponsiveness in a ddos style
- * situation, which is not desirable (to put it mildly!). This will mean we'll stop accepting and get
- * on with our lives after accepting enough clients to sink a metaphorical battleship. :) -- w00t
- */
- for (clients = 0; clients < ServerInstance->Config->MaxConn; clients++)
+ if ((incomingSockfd > -1) && (!_getsockname(incomingSockfd, sock_us, &uslen)))
{
- sockaddr* sock_us = new sockaddr[2]; // our port number
- sockaddr* client = new sockaddr[2];
-
- incomingSockfd = _accept (this->GetFd(), (sockaddr*)client, &length);
-
- if ((incomingSockfd > -1) && (!_getsockname(incomingSockfd, sock_us, &uslen)))
- {
- char buf[MAXBUF];
+ char buf[MAXBUF];
#ifdef IPV6
- if (this->family == AF_INET6)
- {
- inet_ntop(AF_INET6, &((const sockaddr_in6*)client)->sin6_addr, buf, sizeof(buf));
- in_port = ntohs(((sockaddr_in6*)sock_us)->sin6_port);
- }
- else
+ if (this->family == AF_INET6)
+ {
+ inet_ntop(AF_INET6, &((const sockaddr_in6*)client)->sin6_addr, buf, sizeof(buf));
+ in_port = ntohs(((sockaddr_in6*)sock_us)->sin6_port);
+ }
+ else
+ {
+ inet_ntop(AF_INET, &((const sockaddr_in*)client)->sin_addr, buf, sizeof(buf));
+ in_port = ntohs(((sockaddr_in*)sock_us)->sin_port);
+ }
+#else
+ inet_ntop(AF_INET, &((const sockaddr_in*)client)->sin_addr, buf, sizeof(buf));
+ in_port = ntohs(((sockaddr_in*)sock_us)->sin_port);
#endif
+ NonBlocking(incomingSockfd);
+ if (ServerInstance->Config->GetIOHook(in_port))
+ {
+ try
{
- inet_ntop(AF_INET, &((const sockaddr_in*)client)->sin_addr, buf, sizeof(buf));
- in_port = ntohs(((sockaddr_in*)sock_us)->sin_port);
+ ServerInstance->Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, buf, in_port);
}
-
- NonBlocking(incomingSockfd);
- if (ServerInstance->Config->GetIOHook(in_port))
+ catch (CoreException& modexcept)
{
- try
- {
- ServerInstance->Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, buf, in_port);
- }
- catch (CoreException& modexcept)
- {
- ServerInstance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
- }
+ ServerInstance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
- ServerInstance->stats->statsAccept++;
- userrec::AddClient(ServerInstance, incomingSockfd, in_port, false, this->family, client);
}
- else
- {
- /*
- * bail, bail, bail! if we get here, accept failed, meaning something is hardcore wrong.
- * cut our losses and don't try soak up any more clients during this loop iteration. -- w00t
- */
- shutdown(incomingSockfd,2);
- close(incomingSockfd);
- ServerInstance->stats->statsRefused++;
- return;
- }
-
- /* Woots metaphorical comments confuse the metaphor out of me. */
- delete[] client;
- delete[] sock_us;
+ ServerInstance->stats->statsAccept++;
+ userrec::AddClient(ServerInstance, incomingSockfd, in_port, false, this->family, client);
+ }
+ else
+ {
+ shutdown(incomingSockfd,2);
+ close(incomingSockfd);
+ ServerInstance->stats->statsRefused++;
}
+ delete[] client;
+ delete[] sock_us;
}
/* Match raw bytes using CIDR bit matching, used by higher level MatchCIDR() */