-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2006 William Pitcock <nenolod@dereferenced.org>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#ifndef INSPIRCD_SOCKET_H
#define INSPIRCD_SOCKET_H
#endif
#include <cerrno>
-#include "socketengine.h"
/* Contains irc-specific definitions */
namespace irc
*/
namespace sockets
{
-
- typedef union {
+ union CoreExport sockaddrs
+ {
struct sockaddr sa;
struct sockaddr_in in4;
struct sockaddr_in6 in6;
- } sockaddrs;
-
- /** 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);
+ /** Return the size of the structure for syscall passing */
+ int sa_size() const;
+ /** Return port number or -1 if invalid */
+ int port() const;
+ /** Return IP only */
+ std::string addr() const;
+ /** Return human-readable IP/port pair */
+ std::string str() const;
+ bool operator==(const sockaddrs& other) const;
+ inline bool operator!=(const sockaddrs& other) const { return !(*this == other); }
+ };
+
+ struct CoreExport cidr_mask
+ {
+ /** Type, AF_INET or AF_INET6 */
+ unsigned char type;
+ /** Length of the mask in bits (0-128) */
+ unsigned char length;
+ /** Raw bits. Unused bits must be zero */
+ unsigned char bits[16];
+
+ cidr_mask() {}
+ /** Construct a CIDR mask from the string. Will normalize (127.0.0.1/8 => 127.0.0.0/8). */
+ cidr_mask(const std::string& mask);
+ /** Construct a CIDR mask of a given length from the given address */
+ cidr_mask(const irc::sockets::sockaddrs& addr, int len);
+ /** Equality of bits, type, and length */
+ bool operator==(const cidr_mask& other) const;
+ /** Ordering defined for maps */
+ bool operator<(const cidr_mask& other) const;
+ /** Match within this CIDR? */
+ bool match(const irc::sockets::sockaddrs& addr) const;
+ /** Human-readable string */
+ std::string str() const;
+ };
/** Match CIDR, including an optional username/nickname part.
*
* 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
+ * @param match_with_username Does the mask include a nickname segment?
* @return True if the mask matches the address
*/
CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask, bool match_with_username);
- /** 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);
-
/** Return the size of the structure for syscall passing */
- CoreExport int sa_size(irc::sockets::sockaddrs& sa);
+ inline int sa_size(const irc::sockets::sockaddrs& sa) { return sa.sa_size(); }
/** Convert an address-port pair into a binary sockaddr
* @param addr The IP address, IPv4 or IPv6
* @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 bool aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa);
+ CoreExport bool aptosa(const std::string& 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 bool satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port);
+ CoreExport bool satoap(const irc::sockets::sockaddrs& sa, std::string& addr, int &port);
+
/** Convert a binary sockaddr to a user-readable string.
* This means IPv6 addresses are written as [::1]:6667, and *:6668 is used for 0.0.0.0:6668
* @param sa The structure to convert
* @return The string; "<unknown>" if not a valid address
*/
- CoreExport std::string satouser(const irc::sockets::sockaddrs* sa);
+ inline std::string satouser(const irc::sockets::sockaddrs& sa) { return sa.str(); }
}
}
-
-
+#include "socketengine.h"
/** 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
+class CoreExport ListenSocket : public EventHandler
{
- protected:
- /** The creator/owner of this object
- */
- InspIRCd* ServerInstance;
- /** Socket description (shown in stats p) */
- std::string desc;
-
- /** Raw address socket is bound to */
+ public:
+ const reference<ConfigTag> bind_tag;
std::string bind_addr;
- /** Port socket is bound to */
int bind_port;
- /** Human-readable address/port socket is bound to */
+ /** Human-readable bind description */
std::string bind_desc;
-
- /** 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
*/
- ListenSocketBase(InspIRCd* Instance, int port, const std::string &addr);
+ ListenSocket(ConfigTag* tag, const irc::sockets::sockaddrs& bind_to);
/** 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
- */
- const int GetPort() { return bind_port; }
-
- /** Get IP address socket is bound to
- */
- const std::string &GetIP() { return bind_addr; }
-
- const std::string &GetBindDesc() { return bind_desc; }
+ ~ListenSocket();
/** 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 fd The file descriptor of the new connection
- */
- virtual void OnAcceptReady(int fd) = 0;
-};
-
-class CoreExport ClientListenSocket : public ListenSocketBase
-{
- virtual void OnAcceptReady(int fd);
- public:
- ClientListenSocket(InspIRCd* Instance, int port, const std::string &addr) : ListenSocketBase(Instance, port, addr) { }
};
#endif
projects / user / henk / code / inspircd.git / blobdiff