* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
* ---------------------------------------------------
*/
-#ifndef __INSP_SOCKET_H__
-#define __INSP_SOCKET_H__
+#ifndef INSPIRCD_SOCKET_H
+#define INSPIRCD_SOCKET_H
+#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>
+#include <errno.h>
+#include "inspircd_config.h"
+#include "socketengine.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 };
+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.
+ */
+ bool MatchCIDRBits(unsigned char* address, 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
+ */
+ bool MatchCIDR(const char* address, const char* 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
+ */
+ bool MatchCIDR(const char* address, const char* cidr_mask, bool match_with_username);
-class InspSocket
+ /** 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.
+ */
+ 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 function will return 0 upon success,
+ * or any other number upon failure.
+ */
+ int insp_aton(const char* a, insp_inaddr* n);
+
+ /** Make a socket file descriptor a blocking socket
+ * @param s A valid file descriptor
+ */
+ void Blocking(int s);
+
+ /** Make a socket file descriptor into a nonblocking socket
+ * @param s A valid file descriptor
+ */
+ void NonBlocking(int s);
+
+ /** 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)
+ */
+ int OpenTCPSocket();
+ };
+};
+
+/** This class handles incoming connections on client ports.
+ * It will create a new userrec for every valid connection
+ * and assign it a file descriptor.
+ */
+class ListenSocket : public EventHandler
{
-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[16384];
- std::string IP;
- sockaddr_in client;
- sockaddr_in server;
- socklen_t length;
-public:
- InspSocket();
- InspSocket(int newfd, char* ip);
- 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();
- std::string GetIP();
- bool Timeout(time_t current);
- virtual int Write(std::string data);
- virtual int OnIncomingConnection(int newfd, char* ip);
- void SetState(InspSocketState s);
- InspSocketState GetState();
- bool Poll();
- int GetFd();
- virtual void Close();
- virtual ~InspSocket();
+ protected:
+ /** The creator/owner of this object
+ */
+ InspIRCd* ServerInstance;
+ public:
+ /** Create a new listening socket
+ */
+ ListenSocket(InspIRCd* Instance, int sockfd, irc::sockets::insp_sockaddr client, irc::sockets::insp_sockaddr server, int port, char* addr);
+ /** Handle an I/O event
+ */
+ void HandleEvent(EventType et);
};
#endif