mirror of
https://github.com/RetroShare/RetroShare.git
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166 lines
6.9 KiB
C++
166 lines
6.9 KiB
C++
/*******************************************************************************
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* libretroshare/src/util: rsnet.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2004-2006 Robert Fernie <retroshare@lunamutt.com> *
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* Copyright 2015-2018 Gioacchino Mazzurco <gio@eigenlab.org> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#ifndef RS_UNIVERSAL_NETWORK_HEADER
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#define RS_UNIVERSAL_NETWORK_HEADER
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#include <inttypes.h>
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#include <stdlib.h> /* Included because GCC4.4 wants it */
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#include <string.h> /* Included because GCC4.4 wants it */
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#include <iostream>
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/********************************** WINDOWS/UNIX SPECIFIC PART ******************/
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#ifndef WINDOWS_SYS
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <fcntl.h>
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#include <errno.h>
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#else
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#include <ws2tcpip.h>
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typedef uint32_t in_addr_t;
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int inet_aton(const char *name, struct in_addr *addr);
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// Missing defines in MinGW
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#ifndef MSG_WAITALL
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#define MSG_WAITALL 8
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#endif
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#endif
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/********************************** WINDOWS/UNIX SPECIFIC PART ******************/
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/**
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* Workaround for binary compatibility between Windows XP (which miss
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* IPV6_V6ONLY define), and newer Windows that has it.
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* @see http://lua-users.org/lists/lua-l/2013-04/msg00191.html
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*/
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#ifndef IPV6_V6ONLY
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# define IPV6_V6ONLY 27
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#endif
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/* 64 bit conversions */
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#ifndef ntohll
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uint64_t ntohll(uint64_t x);
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#endif
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#ifndef htonll
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uint64_t htonll(uint64_t x);
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#endif
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/* blank a network address */
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void sockaddr_clear(struct sockaddr_in *addr);
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/* determine network type (moved from pqi/pqinetwork.cc) */
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bool isValidNet(const struct in_addr *addr);
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bool isLoopbackNet(const struct in_addr *addr);
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bool isPrivateNet(const struct in_addr *addr);
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bool isLinkLocalNet(const struct in_addr *addr);
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bool isExternalNet(const struct in_addr *addr);
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// uses a re-entrant version of gethostbyname
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bool rsGetHostByName(const std::string& hostname, in_addr& returned_addr) ;
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std::ostream& operator<<(std::ostream& o,const struct sockaddr_in&) ;
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/* thread-safe version of inet_ntoa */
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std::string rs_inet_ntoa(struct in_addr in);
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/***************************/
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// sockaddr_storage fns.
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int rs_bind(int fd, const sockaddr_storage& addr);
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void sockaddr_storage_clear(struct sockaddr_storage &addr);
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// mods.
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bool sockaddr_storage_zeroip(struct sockaddr_storage &addr);
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/**
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* @brief Use this function to copy sockaddr_storage.
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*
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* POSIX does not require that objects of type sockaddr_storage can be copied
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* as aggregates thus it is unsafe to aggregate copy ( operator = )
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* sockaddr_storage and unexpected behaviors may happens due to padding
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* and alignment.
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*
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* @see https://sourceware.org/bugzilla/show_bug.cgi?id=20111
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* @see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71120
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*/
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bool sockaddr_storage_copy(const sockaddr_storage& src, sockaddr_storage& dst);
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bool sockaddr_storage_copyip(struct sockaddr_storage &dst, const struct sockaddr_storage &src);
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uint16_t sockaddr_storage_port(const struct sockaddr_storage &addr);
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bool sockaddr_storage_setport(struct sockaddr_storage &addr, uint16_t port);
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bool sockaddr_storage_setipv4(struct sockaddr_storage &addr, const sockaddr_in *addr_ipv4);
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bool sockaddr_storage_setipv6(struct sockaddr_storage &addr, const sockaddr_in6 *addr_ipv6);
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bool sockaddr_storage_inet_pton( sockaddr_storage &addr,
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const std::string& ipStr );
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bool sockaddr_storage_ipv4_aton(struct sockaddr_storage &addr, const char *name);
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bool sockaddr_storage_ipv4_setport(struct sockaddr_storage &addr, const uint16_t port);
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bool sockaddr_storage_ipv4_to_ipv6(sockaddr_storage &addr);
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bool sockaddr_storage_ipv6_to_ipv4(sockaddr_storage &addr);
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// comparisons.
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bool operator<(const struct sockaddr_storage &a, const struct sockaddr_storage &b);
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bool sockaddr_storage_same(const struct sockaddr_storage &addr, const struct sockaddr_storage &addr2);
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bool sockaddr_storage_samefamily(const struct sockaddr_storage &addr, const struct sockaddr_storage &addr2);
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bool sockaddr_storage_sameip(const struct sockaddr_storage &addr, const struct sockaddr_storage &addr2);
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// string,
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std::string sockaddr_storage_tostring(const struct sockaddr_storage &addr);
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bool sockaddr_storage_fromString(const std::string& str, sockaddr_storage &addr);
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std::string sockaddr_storage_familytostring(const struct sockaddr_storage &addr);
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std::string sockaddr_storage_iptostring(const struct sockaddr_storage &addr);
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std::string sockaddr_storage_porttostring(const struct sockaddr_storage &addr);
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void sockaddr_storage_dump(const sockaddr_storage & addr, std::string * outputString = NULL);
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// output
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//void sockaddr_storage_output(const struct sockaddr_storage &addr, std::ostream &out);
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//void sockaddr_storage_ipoutput(const struct sockaddr_storage &addr, std::ostream &out);
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// net checks.
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bool sockaddr_storage_isnull(const struct sockaddr_storage &addr);
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bool sockaddr_storage_isValidNet(const struct sockaddr_storage &addr);
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bool sockaddr_storage_isLoopbackNet(const struct sockaddr_storage &addr);
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bool sockaddr_storage_isPrivateNet(const struct sockaddr_storage &addr);
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bool sockaddr_storage_isLinkLocalNet(const struct sockaddr_storage &addr);
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bool sockaddr_storage_ipv6_isLinkLocalNet(const sockaddr_storage &addr);
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bool sockaddr_storage_isExternalNet(const struct sockaddr_storage &addr);
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bool sockaddr_storage_inet_ntop(const sockaddr_storage &addr, std::string &dst);
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int rs_setsockopt( int sockfd, int level, int optname,
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const uint8_t *optval, uint32_t optlen );
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#endif /* RS_UNIVERSAL_NETWORK_HEADER */
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