92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
#ifndef PCAPPP_IP_UTILS
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#define PCAPPP_IP_UTILS
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#include <stdint.h>
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#ifdef __linux__
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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#if defined(__APPLE__)
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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#if defined(_WIN32)
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#include <ws2tcpip.h>
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#endif
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#if defined(__FreeBSD__)
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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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#endif
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/// @file
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// Both Visual C++ Compiler and MinGW-w64 define inet_ntop() and inet_pton()
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// Add compatibility functions for old MinGW (aka MinGW32)
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// We use "__MINGW64_VERSION_MAJOR" and not __MINGW64__ to detect MinGW-w64 compiler
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// because the second one is not defined for MinGW-w64 in 32bits mode
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#if defined(_WIN32) && !defined(_MSC_VER) && (!defined(__MINGW64_VERSION_MAJOR) || (__MINGW64_VERSION_MAJOR < 8))
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/**
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* Convert a network format address to presentation format.
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* @param[in] af Address family, can be either AF_INET (IPv4) or AF_INET6 (IPv6)
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* @param[in] src Network address structure, can be either in_addr (IPv4) or in6_addr (IPv6)
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* @param[out] dst Network address string representation
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* @param[in] size 'dst' Maximum size
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* @return pointer to presentation format address ('dst'), or NULL (see errno).
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*/
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const char* inet_ntop(int af, const void* src, char* dst, size_t size);
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/**
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* Convert from presentation format (which usually means ASCII printable)
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* to network format (which is usually some kind of binary format).
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* @param[in] af Address family, can be either AF_INET (IPv4) or AF_INET6 (IPv6)
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* @param[in] src Network address string representation
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* @param[out] dst Network address structure result, can be either in_addr (IPv4) or in6_addr (IPv6)
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* @return
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* 1 if the address was valid for the specified address family;
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* 0 if the address wasn't valid ('dst' is untouched in this case);
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* -1 if some other error occurred ('dst' is untouched in this case, too)
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*/
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int inet_pton(int af, const char* src, void* dst);
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#endif
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/**
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* \namespace pcpp
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* \brief The main namespace for the PcapPlusPlus lib
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*/
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namespace pcpp
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{
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namespace internal
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{
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/**
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* Extract IPv4 address from sockaddr
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* @param[in] sa - input sockaddr
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* @return Address in in_addr format
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*/
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in_addr* sockaddr2in_addr(struct sockaddr *sa);
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/**
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* Extract IPv6 address from sockaddr
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* @param[in] sa - input sockaddr
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* @return Address in in6_addr format
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*/
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in6_addr* sockaddr2in6_addr(struct sockaddr *sa);
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/**
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* Converts a sockaddr format address to its string representation
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* @param[in] sa Address in sockaddr format
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* @param[out] resultString String representation of the address
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*/
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void sockaddr2string(struct sockaddr *sa, char* resultString);
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/**
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* Convert a in_addr format address to 32bit representation
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* @param[in] inAddr Address in in_addr format
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* @return Address in 32bit format
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*/
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uint32_t in_addr2int(in_addr inAddr);
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} // namespace internal
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} // namespace pcpp
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#endif
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