X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fsocket.h;h=e868af93e7ee14f2a23804eab1fdd3224c6a7f14;hb=c4a53990f0767b38f0c2454c9e10e4f85ad08093;hp=cf2b9bf5bcab1a680d5af5b1a7704b1db2245965;hpb=81c26039d5b27f039cbaae53f56fe6eca4123467;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/socket.h b/include/socket.h index cf2b9bf5b..e868af93e 100644 --- a/include/socket.h +++ b/include/socket.h @@ -1,19 +1,32 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2005-2007 Craig Edwards + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2006 Oliver Lupton + * Copyright (C) 2006 William Pitcock * - * 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 . */ + #ifndef INSPIRCD_SOCKET_H #define INSPIRCD_SOCKET_H +#ifndef WIN32 + #include #include #include @@ -24,10 +37,16 @@ #include #include #include -#include -#include "inspircd_config.h" -#include "socketengine.h" +#else + +#include "inspircd_win32wrapper.h" + +#endif + +#include + +/* Contains irc-specific definitions */ namespace irc { /** This namespace contains various protocol-independent helper classes. @@ -36,54 +55,46 @@ namespace irc */ 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); + union CoreExport sockaddrs + { + struct sockaddr sa; + struct sockaddr_in in4; + struct sockaddr_in6 in6; + /** 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. * @@ -94,72 +105,66 @@ namespace irc * 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 */ - bool MatchCIDR(const char* address, const char* cidr_mask, bool match_with_username); + 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. - */ - 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. - */ - int insp_aton(const char* a, insp_inaddr* n); + /** Return the size of the structure for syscall passing */ + inline int sa_size(const irc::sockets::sockaddrs& sa) { return sa.sa_size(); } - /** Make a socket file descriptor a blocking socket - * @param s A valid file descriptor + /** 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. */ - void Blocking(int s); + CoreExport bool aptosa(const std::string& addr, int port, irc::sockets::sockaddrs& sa); - /** Make a socket file descriptor into a nonblocking socket - * @param s A valid file descriptor + /** 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 */ - void NonBlocking(int s); + CoreExport bool satoap(const irc::sockets::sockaddrs& sa, std::string& addr, int &port); - /** 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) + /** 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; "" if not a valid address */ - int OpenTCPSocket(); - }; -}; + 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 userrec for every valid connection + * It will create a new User for every valid connection * and assign it a file descriptor. */ -class ListenSocket : public EventHandler +class CoreExport ListenSocket : public EventHandler { - protected: - /** The creator/owner of this object - */ - InspIRCd* ServerInstance; public: + reference bind_tag; + std::string bind_addr; + int bind_port; + /** Human-readable bind description */ + std::string bind_desc; /** Create a new listening socket */ - ListenSocket(InspIRCd* Instance, int sockfd, irc::sockets::insp_sockaddr client, irc::sockets::insp_sockaddr server, int port, char* 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 */ ~ListenSocket(); + + /** Handles sockets internals crap of a connection, convenience wrapper really + */ + void AcceptInternal(); }; #endif +