* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-#ifndef __INSP_SOCKET_H__
-#define __INSP_SOCKET_H__
+#ifndef INSPIRCD_SOCKET_H
+#define INSPIRCD_SOCKET_H
+
+#ifndef WIN32
+#include <arpa/inet.h>
+#include <sys/time.h>
+#include <sys/resource.h>
#include <sys/types.h>
#include <sys/socket.h>
+#include <sys/stat.h>
#include <netinet/in.h>
-#include <poll.h>
-#include <sstream>
-#include <string>
+#include <unistd.h>
+#include <fcntl.h>
+#include <netdb.h>
-enum InspSocketState { I_DISCONNECTED, I_CONNECTING, I_CONNECTED, I_LISTENING, I_ERROR };
-enum InspSocketError { I_ERR_TIMEOUT, I_ERR_SOCKET, I_ERR_CONNECT, I_ERR_BIND };
+#else
-class InspSocket
+#include "inspircd_win32wrapper.h"
+
+#endif
+
+#include <cerrno>
+#include "socketengine.h"
+
+/* Contains irc-specific definitions */
+namespace irc
{
-private:
- int fd;
- std::string host;
- int port;
- InspSocketState state;
- sockaddr_in addr;
- in_addr addy;
- time_t timeout_end;
- bool timeout;
- pollfd polls;
- char ibuf[1024];
- sockaddr_in client;
- sockaddr_in server;
- socklen_t length;
-public:
- InspSocket();
- InspSocket(int newfd);
- InspSocket(std::string host, int port, bool listening, unsigned long maxtime);
- virtual bool OnConnected();
- virtual void OnError(InspSocketError e);
- virtual int OnDisconnect();
- virtual bool OnDataReady();
- virtual void OnTimeout();
- virtual void OnClose();
- virtual char* Read();
- virtual int Write(std::string data);
- virtual int OnIncomingConnection(int newfd, char* ip);
- void SetState(InspSocketState s);
- InspSocketState GetState();
- bool Poll();
- virtual void Close();
- virtual ~InspSocket();
+ /** This namespace contains various protocol-independent helper classes.
+ * It also contains some types which are often used by the core and modules
+ * in place of inet_* functions and types.
+ */
+ namespace sockets
+ {
+
+ /* macros to the relevant system address description structs */
+#ifdef IPV6
+ /** insp_sockaddr for ipv6
+ */
+ typedef struct sockaddr_in6 insp_sockaddr;
+ /** insp_inaddr for ipv6
+ */
+ typedef struct in6_addr insp_inaddr;
+#define AF_FAMILY AF_INET6
+#define PF_PROTOCOL PF_INET6
+
+#else
+ /** insp_sockaddr for ipv4
+ */
+ typedef struct sockaddr_in insp_sockaddr;
+ /** insp_inaddr for ipv4
+ */
+ typedef struct in_addr insp_inaddr;
+#define AF_FAMILY AF_INET
+#define PF_PROTOCOL PF_INET
+
+#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.
+ * @param address The whole address, of 4 or 16 bytes in length
+ * @param mask The mask, from 1 to 16 bytes in length, anything
+ * from 1 to 128 bits of which is significant
+ * @param mask_Bits How many bits of the mask parameter are significant
+ * for this comparison.
+ * @returns True if the first mask_bits of address matches the first
+ * mask_bits of mask.
+ */
+ CoreExport bool MatchCIDRBits(const unsigned char* address, const unsigned char* mask, unsigned int mask_bits);
+
+ /** Match CIDR, without matching username/nickname parts.
+ *
+ * This function will compare a human-readable address against a human-
+ * readable CIDR mask, for example 1.2.3.4 against 1.2.0.0/16. This
+ * method supports both IPV4 and IPV6 addresses.
+ * @param address The human readable address, e.g. 1.2.3.4
+ * @param cidr_mask The human readable mask, e.g. 1.2.0.0/16
+ * @return True if the mask matches the address
+ */
+ CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask);
+
+ /** Match CIDR, including an optional username/nickname part.
+ *
+ * This function will compare a human-readable address (plus
+ * optional username and nickname) against a human-readable
+ * CIDR mask, for example joe!bloggs\@1.2.3.4 against
+ * *!bloggs\@1.2.0.0/16. This method supports both IPV4 and
+ * IPV6 addresses.
+ * @param address The human readable address, e.g. fred\@1.2.3.4
+ * @param cidr_mask The human readable mask, e.g. *\@1.2.0.0/16
+ * @return True if the mask matches the address
+ */
+ 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.
+ */
+ 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.
+ * @return This method will return a negative value if address
+ * does not contain a valid address family. 0 if the address is
+ * does not contain a valid string representing a valid network
+ * address. A positive value is returned if the network address
+ * was successfully converted.
+
+ * or any other number upon failure.
+ */
+ CoreExport int insp_aton(const char* a, insp_inaddr* n);
+
+ /** Create a new valid file descriptor using socket()
+ * @return On return this function will return a value >= 0 for success,
+ * or a negative value upon failure (negative values are invalid file
+ * descriptors)
+ */
+ CoreExport int OpenTCPSocket(char* addr, int socktype = SOCK_STREAM);
+ }
+}
+
+/** 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
+{
+ protected:
+ /** The creator/owner of this object
+ */
+ 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;
+
+ public:
+ /** Create a new listening socket
+ */
+ ListenSocket(InspIRCd* Instance, int port, char* addr);
+ /** Handle an I/O event
+ */
+ void HandleEvent(EventType et, int errornum = 0);
+ /** Close the socket
+ */
+ ~ListenSocket();
+ /** Set descriptive text
+ */
+ void SetDescription(const std::string &description)
+ {
+ desc = description;
+ }
+ /** Get description for socket
+ */
+ const std::string& GetDescription()
+ {
+ return desc;
+ }
+ /** Get port number for socket
+ */
+ int GetPort()
+ {
+ return bind_port;
+ }
+ /** Get IP address socket is bound to
+ */
+ std::string &GetIP()
+ {
+ return bind_addr;
+ }
};
#endif
+
projects / user / henk / code / inspircd.git / blobdiff