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make loopback checking more readable (#5016)

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* make loopback checking more readable

* follow coding style

---------

Co-authored-by: jacekpoz <jacekpoz@cock.li>
This commit is contained in:
jacekpoz 2024-02-07 16:18:25 +01:00 committed by GitHub
parent e1454a007e
commit a254c7afc2
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GPG Key ID: B5690EEEBB952194
1 changed files with 11 additions and 21 deletions
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32
src/network/socket_address.cpp
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@ -460,28 +460,18 @@ bool SocketAddress::isLoopback() const
else if (m_family == AF_INET6)
{
sockaddr_in6* in6 = (sockaddr_in6*)m_sockaddr.data();
uint8_t w0 = in6->sin6_addr.s6_addr[0];
uint8_t w1 = in6->sin6_addr.s6_addr[1];
uint8_t w2 = in6->sin6_addr.s6_addr[2];
uint8_t w3 = in6->sin6_addr.s6_addr[3];
uint8_t w4 = in6->sin6_addr.s6_addr[4];
uint8_t w5 = in6->sin6_addr.s6_addr[5];
uint8_t w6 = in6->sin6_addr.s6_addr[6];
uint8_t w7 = in6->sin6_addr.s6_addr[7];
uint8_t w8 = in6->sin6_addr.s6_addr[8];
uint8_t w9 = in6->sin6_addr.s6_addr[9];
uint8_t w10 = in6->sin6_addr.s6_addr[10];
uint8_t w11 = in6->sin6_addr.s6_addr[11];
uint8_t w12 = in6->sin6_addr.s6_addr[12];
uint8_t w13 = in6->sin6_addr.s6_addr[13];
uint8_t w14 = in6->sin6_addr.s6_addr[14];
uint8_t w15 = in6->sin6_addr.s6_addr[15];
if (w0 == 0 && w1 == 0 && w2 == 0 && w3 == 0 && w4 == 0 &&
w5 == 0 && w6 == 0 && w7 == 0 && w8 == 0 && w9 == 0 &&
w10 == 0 && w11 == 0 && w12 == 0 && w13 == 0 && w14 == 0
&& w15 == 1)
for (int i = 0; i < 15; i++)
{
uint8_t w_i = in6->sin6_addr.s6_addr[i];
if (w_i != 0)
{
return false;
}
} // for (int i = 0; i < 15; i++)
// ::1/128 Loopback
uint8_t w15 = in6->sin6_addr.s6_addr[15];
if (w15 == 1)
{
// ::1/128 Loopback
return true;
}
}