-/* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#ifndef INSPIRCD_SOCKET_H
\r#define INSPIRCD_SOCKET_H
\r\r#ifndef WIN32
\r\r#include <arpa/inet.h>
\r#include <sys/time.h>
\r#include <sys/resource.h>
\r#include <sys/types.h>
\r#include <sys/socket.h>
\r#include <sys/stat.h>
\r#include <netinet/in.h>
\r#include <unistd.h>
\r#include <fcntl.h>
\r#include <netdb.h>
\r\r#else
\r\r#include "inspircd_win32wrapper.h"
\r\r#endif
\r\r#include <errno.h>
\r#include "inspircd_config.h"
\r#include "socketengine.h"
\r\r/* Accept Define */
\r#ifdef CONFIG_USE_IOCP
\r/* IOCP wrapper for accept() */
\r#define _accept(s, addr, addrlen) __accept_socket(s, addr, addrlen, m_acceptEvent)
\r/* IOCP wrapper for getsockname() */
\r#define _getsockname(fd, sockptr, socklen) __getsockname(fd, sockptr, socklen, m_acceptEvent)
\r/* IOCP wrapper for recvfrom() */
\r#define _recvfrom(s, buf, len, flags, from, fromlen) __recvfrom(s, buf, len, flags, from, fromlen, ((IOCPEngine*)ServerInstance->SE)->udp_ov)
\r#else
\r/* No wrapper for recvfrom() */
\r#define _recvfrom recvfrom
\r/* No wrapper for accept() */
\r#define _accept accept
\r/* No wrapper for getsockname() */
\r#define _getsockname getsockname
\r#endif
\r\r/* Contains irc-specific definitions */
\rnamespace irc
\r{
\r /** This namespace contains various protocol-independent helper classes.
\r * It also contains some types which are often used by the core and modules
\r * in place of inet_* functions and types.
\r */
\r namespace sockets
\r {
\r\r /* macros to the relevant system address description structs */
\r#ifdef IPV6
\r /** insp_sockaddr for ipv6
\r */
\r typedef struct sockaddr_in6 insp_sockaddr;
\r /** insp_inaddr for ipv6
\r */
\r typedef struct in6_addr insp_inaddr;
\r#define AF_FAMILY AF_INET6
\r#define PF_PROTOCOL PF_INET6
\r\r#else
\r /** insp_sockaddr for ipv4
\r */
\r typedef struct sockaddr_in insp_sockaddr;
\r /** insp_inaddr for ipv4
\r */
\r typedef struct in_addr insp_inaddr;
\r#define AF_FAMILY AF_INET
\r#define PF_PROTOCOL PF_INET
\r\r#endif
\r /** Match raw binary data using CIDR rules.
\r *
\r * This function will use binary comparison to compare the
\r * two bit sequences, address and mask, up to mask_bits
\r * bits in size. If they match, it will return true.
\r * @param address The whole address, of 4 or 16 bytes in length
\r * @param mask The mask, from 1 to 16 bytes in length, anything
\r * from 1 to 128 bits of which is significant
\r * @param mask_Bits How many bits of the mask parameter are significant
\r * for this comparison.
\r * @returns True if the first mask_bits of address matches the first
\r * mask_bits of mask.
\r */
\r CoreExport bool MatchCIDRBits(unsigned char* address, unsigned char* mask, unsigned int mask_bits);
\r\r /** Match CIDR, without matching username/nickname parts.
\r *
\r * This function will compare a human-readable address against a human-
\r * readable CIDR mask, for example 1.2.3.4 against 1.2.0.0/16. This
\r * method supports both IPV4 and IPV6 addresses.
\r * @param address The human readable address, e.g. 1.2.3.4
\r * @param cidr_mask The human readable mask, e.g. 1.2.0.0/16
\r * @return True if the mask matches the address
\r */
\r CoreExport bool MatchCIDR(const char* address, const char* cidr_mask);
\r\r /** Match CIDR, including an optional username/nickname part.
\r *
\r * This function will compare a human-readable address (plus
\r * optional username and nickname) against a human-readable
\r * CIDR mask, for example joe!bloggs\@1.2.3.4 against
\r * *!bloggs\@1.2.0.0/16. This method supports both IPV4 and
\r * IPV6 addresses.
\r * @param address The human readable address, e.g. fred\@1.2.3.4
\r * @param cidr_mask The human readable mask, e.g. *\@1.2.0.0/16
\r * @return True if the mask matches the address
\r */
\r CoreExport bool MatchCIDR(const char* address, const char* cidr_mask, bool match_with_username);
\r\r /** Convert an insp_inaddr into human readable form.
\r *
\r * @param n An insp_inaddr (IP address) structure
\r * @return A human-readable address. IPV6 addresses
\r * will be shortened to remove fields which are 0.
\r */
\r CoreExport const char* insp_ntoa(insp_inaddr n);
\r\r /** Convert a human-readable address into an insp_inaddr.
\r *
\r * @param a A human-readable address
\r * @param n An insp_inaddr struct which the result
\r * will be copied into on success.
\r * @return This method will return a negative value if address
\r * does not contain a valid address family. 0 if the address is
\r * does not contain a valid string representing a valid network
\r * address. A positive value is returned if the network address
\r * was successfully converted.
\r\r * or any other number upon failure.
\r */
\r CoreExport int insp_aton(const char* a, insp_inaddr* n);
\r\r /** Make a socket file descriptor a blocking socket
\r * @param s A valid file descriptor
\r */
\r CoreExport void Blocking(int s);
\r\r /** Make a socket file descriptor into a nonblocking socket
\r * @param s A valid file descriptor
\r */
\r CoreExport void NonBlocking(int s);
\r\r /** Create a new valid file descriptor using socket()
\r * @return On return this function will return a value >= 0 for success,
\r * or a negative value upon failure (negative values are invalid file
\r * descriptors)
\r */
\r CoreExport int OpenTCPSocket(char* addr, int socktype = SOCK_STREAM);
\r }
\r}
\r\r/** This class handles incoming connections on client ports.
\r * It will create a new userrec for every valid connection
\r * and assign it a file descriptor.
\r */
\rclass CoreExport ListenSocket : public EventHandler
\r{
\r protected:
\r /** The creator/owner of this object
\r */
\r InspIRCd* ServerInstance;
\r /** Socket description (shown in stats p) */
\r std::string desc;
\r /** Socket address family */
\r int family;
\r /** Address socket is bound to */
\r std::string bind_addr;
\r /** Port socket is bound to */
\r int bind_port;
\r public:
\r /** Create a new listening socket
\r */
\r ListenSocket(InspIRCd* Instance, int port, char* addr);
\r /** Handle an I/O event
\r */
\r void HandleEvent(EventType et, int errornum = 0);
\r /** Close the socket
\r */
\r ~ListenSocket();
\r /** Set descriptive text
\r */
\r void SetDescription(const std::string &description)
\r {
\r desc = description;
\r }
\r /** Get description for socket
\r */
\r const std::string& GetDescription()
\r {
\r return desc;
\r }
\r /** Get port number for socket
\r */
\r int GetPort()
\r {
\r return bind_port;
\r }
\r /** Get IP address socket is bound to
\r */
\r std::string &GetIP()
\r {
\r return bind_addr;
\r }
\r};
\r\r#endif
\r\r\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * 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 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 <unistd.h>
+#include <fcntl.h>
+#include <netdb.h>
+
+#else
+
+#include "inspircd_win32wrapper.h"
+
+#endif
+
+#include <cerrno>
+#include "socketengine.h"
+
+/* Contains irc-specific definitions */
+namespace irc
+{
+ /** 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(const 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 ListenSocketBase : 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
+ */
+ ListenSocketBase(InspIRCd* Instance, int port, const std::string &addr);
+ /** Handle an I/O event
+ */
+ void HandleEvent(EventType et, int errornum = 0);
+ /** Close the socket
+ */
+ ~ListenSocketBase();
+ /** 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;
+ }
+
+ /** 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
+
projects / user / henk / code / inspircd.git / blobdiff