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fix: Couldnt send to IPv6 address warnings (#4527)

This commit is contained in:
Charles Kerr 2023-01-03 21:12:05 -06:00 committed by GitHub
parent 1e521b9030
commit dc968892ec
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 3 deletions
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11
libtransmission/tr-udp.cc
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@ -172,7 +172,11 @@ tr_session::tr_udp_core::tr_udp_core(tr_session& session, tr_port udp_port)
}
}
if (auto sock = socket(PF_INET6, SOCK_DGRAM, 0); sock != TR_BAD_SOCKET)
if (!tr_net_hasIPv6(udp_port_))
{
// no IPv6; do nothing
}
else if (auto sock = socket(PF_INET6, SOCK_DGRAM, 0); sock != TR_BAD_SOCKET)
{
auto optval = int{ 1 };
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char const*>(&optval), sizeof(optval));
@ -235,9 +239,10 @@ void tr_session::tr_udp_core::sendto(void const* buf, size_t buflen, struct sock
{
errno = EAFNOSUPPORT;
}
else if (auto const sock = to->sa_family == AF_INET ? udp4_socket_ : udp6_socket_; sock == TR_BAD_SOCKET)
else if (auto const sock = to->sa_family == AF_INET ? udp4_socket_ : udp6_socket_; sock != TR_BAD_SOCKET)
{
errno = EBADF;
// don't warn on bad sockets; the system may not support IPv6
return;
}
else if (::sendto(sock, static_cast<char const*>(buf), buflen, 0, to, tolen) != -1)
{