X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fsocket.h;h=4a91404e52419a6291de5609e95e94006830c0f3;hb=7b08be5752bb91d495f324f97b346976d669ad90;hp=e6ea1615df0e79fe2adfa6b37090084e5c17dedb;hpb=03ef675c0dd4742464d8ad93888e98721a044108;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/socket.h b/include/socket.h
index e6ea1615d..4a91404e5 100644
--- a/include/socket.h
+++ b/include/socket.h
@@ -2,8 +2,8 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
@@ -33,7 +33,7 @@
 
 #endif
 
-#include <errno.h>
+#include <cerrno>
 #include "socketengine.h"
 
 /* Contains irc-specific definitions */
@@ -46,6 +46,12 @@ namespace irc
 	namespace sockets
 	{
 
+		typedef union {
+			struct sockaddr sa;
+			struct sockaddr_in in4;
+			struct sockaddr_in6 in6;
+		} sockaddrs;
+
 	/* macros to the relevant system address description structs */
 #ifdef IPV6
 		/** insp_sockaddr for ipv6
@@ -69,7 +75,7 @@ namespace irc
 
 #endif
 		/** Match raw binary data using CIDR rules.
-		 * 
+		 *
 		 * This function will use binary comparison to compare the
 		 * two bit sequences, address and mask, up to mask_bits
 		 * bits in size. If they match, it will return true.
@@ -108,7 +114,7 @@ namespace irc
 		CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask, bool match_with_username);
 
 		/** Convert an insp_inaddr into human readable form.
-		 * 
+		 *
 		 * @param n An insp_inaddr (IP address) structure
 		 * @return A human-readable address. IPV6 addresses
 		 * will be shortened to remove fields which are 0.
@@ -116,7 +122,7 @@ namespace irc
 		CoreExport const char* insp_ntoa(insp_inaddr n);
 
 		/** Convert a human-readable address into an insp_inaddr.
-		 * 
+		 *
 		 * @param a A human-readable address
 		 * @param n An insp_inaddr struct which the result
 		 * will be copied into on success.
@@ -135,15 +141,35 @@ namespace irc
 		 * or a negative value upon failure (negative values are invalid file
 		 * descriptors)
 		 */
-		CoreExport int OpenTCPSocket(char* addr, int socktype = SOCK_STREAM);
+		CoreExport int OpenTCPSocket(const char* addr, int socktype = SOCK_STREAM);
+
+		/** Return the size of the structure for syscall passing */
+		CoreExport int sa_size(irc::sockets::sockaddrs& sa);
+
+		/** Convert an address-port pair into a binary sockaddr
+		 * @param addr The IP address, IPv4 or IPv6
+		 * @param port The port, 0 for unspecified
+		 * @param sa The structure to place the result in. Will be zeroed prior to conversion
+		 * @return true if the conversion was successful, false if not.
+		 */
+		CoreExport int aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa);
+		/** Convert a binary sockaddr to an address-port pair
+		 * @param sa The structure to convert
+		 * @param addr the IP address
+		 * @param port the port
+		 * @return true if the conversion was successful, false if unknown address family
+		 */
+		CoreExport int satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port);
 	}
 }
 
+
+
 /** This class handles incoming connections on client ports.
  * It will create a new User for every valid connection
  * and assign it a file descriptor.
  */
-class CoreExport ListenSocket : public EventHandler
+class CoreExport ListenSocketBase : public EventHandler
 {
  protected:
 	/** The creator/owner of this object
@@ -151,31 +177,32 @@ class CoreExport ListenSocket : public EventHandler
 	InspIRCd* ServerInstance;
 	/** Socket description (shown in stats p) */
 	std::string desc;
-	/** Socket address family */
-	int family;
+
 	/** Address socket is bound to */
 	std::string bind_addr;
 	/** Port socket is bound to */
 	int bind_port;
 
-	static sockaddr *sock_us;
-
-	static sockaddr *client;
-
-	static sockaddr *raddr;
-
-	static unsigned int socketcount;
-
+	/** The client address if the most recently connected client.
+	 * Should only be used when accepting a new client.
+	 */
+	static irc::sockets::sockaddrs client;
+	/** The server address used by the most recently connected client.
+	 * This may differ from the bind address by having a nonzero address,
+	 * if the port is wildcard bound, or being IPv4 on a 6to4 IPv6 port.
+	 * The address family will always match that of "client"
+	 */
+	static irc::sockets::sockaddrs server;
  public:
 	/** Create a new listening socket
 	 */
-	ListenSocket(InspIRCd* Instance, int port, char* addr);
+	ListenSocketBase(InspIRCd* Instance, int port, const std::string &addr);
 	/** Handle an I/O event
 	 */
 	void HandleEvent(EventType et, int errornum = 0);
 	/** Close the socket
 	 */
-	~ListenSocket();
+	~ListenSocketBase();
 	/** Set descriptive text
 	 */
 	void SetDescription(const std::string &description)
@@ -190,16 +217,29 @@ class CoreExport ListenSocket : public EventHandler
 	}
 	/** Get port number for socket
 	 */
-	int GetPort()
-	{
-		return bind_port;
-	}
+	int GetPort() { return bind_port; }
+
 	/** Get IP address socket is bound to
 	 */
-	std::string &GetIP()
-	{
-		return bind_addr;
-	}
+	const std::string &GetIP() { return bind_addr; }
+
+	/** Handles sockets internals crap of a connection, convenience wrapper really
+	 */
+	void AcceptInternal();
+
+	/** Called when a new connection has successfully been accepted on this listener.
+	 * @param ipconnectedto The IP address the connection arrived on
+	 * @param fd The file descriptor of the new connection
+	 * @param incomingip The IP from which the connection was made
+	 */
+	virtual void OnAcceptReady(const std::string &ipconnectedto, int fd, const std::string &incomingip) = 0;
+};
+
+class CoreExport ClientListenSocket : public ListenSocketBase
+{
+	virtual void OnAcceptReady(const std::string &ipconnectedto, int fd, const std::string &incomingip);
+ public:
+	ClientListenSocket(InspIRCd* Instance, int port, const std::string &addr) : ListenSocketBase(Instance, port, addr) { }
 };
 
 #endif