bsc::net::DnsResolver Class Reference

#include <DnsResolver.hpp>

Public Member Functions
std::string	reverse_lookup (const std::string &ip) const

Detailed Description

Definition at line 6 of file DnsResolver.hpp.

Member Function Documentation

reverse_lookup()

std::string bsc::net::DnsResolver::reverse_lookup

(

const std::string &

ip

)

const

Definition at line 7 of file DnsResolver.cpp.

                                                               {
    char host[NI_MAXHOST]{};
 
    sockaddr_in sa4{};
    sa4.sin_family = AF_INET;
    if (inet_pton(AF_INET, ip.c_str(), &sa4.sin_addr) == 1) {
        if (getnameinfo(reinterpret_cast<sockaddr*>(&sa4), sizeof(sa4), host, sizeof(host), nullptr, 0, NI_NAMEREQD) == 0) return host;
        return {};
    }
 
    sockaddr_in6 sa6{};
    sa6.sin6_family = AF_INET6;
    if (inet_pton(AF_INET6, ip.c_str(), &sa6.sin6_addr) == 1) {
        if (getnameinfo(reinterpret_cast<sockaddr*>(&sa6), sizeof(sa6), host, sizeof(host), nullptr, 0, NI_NAMEREQD) == 0) return host;
    }
    return {};
}

References AF_INET, and AF_INET6.

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The documentation for this class was generated from the following files:

• BastionGuard/thirdparty/bastionguard-secure-connection/daemon/include/bsc/net/DnsResolver.hpp
• BastionGuard/thirdparty/bastionguard-secure-connection/daemon/src/net/DnsResolver.cpp