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Skip interfaces where address is not set

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(cherry picked from commit 41e5c28030)
This commit is contained in:
Martin 2020-07-13 19:15:54 +02:00
parent 285b0525ff
commit 7fcdae34e1
1 changed files with 4 additions and 2 deletions
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6
urbackupcommon/fileclient/FileClient.cpp
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@ -152,7 +152,8 @@ void FileClient::bindToNewInterfaces()
!(ifap->ifa_flags & IFF_LOOPBACK)
&& !(ifap->ifa_flags & IFF_POINTOPOINT))
{
if (ifap->ifa_addr->sa_family == AF_INET
if (ifap->ifa_addr!=NULL
&& ifap->ifa_addr->sa_family == AF_INET
&& (ifap->ifa_flags & IFF_BROADCAST))
{
sockaddr_in source_addr;
@ -222,7 +223,8 @@ void FileClient::bindToNewInterfaces()
Server->Log("Broadcasting on ipv4 interface "+std::string(ifap->ifa_name) + " addr " + ipToString(new_udpsock));
}
else if (ifap->ifa_addr->sa_family == AF_INET6
else if (ifap->ifa_addr != NULL
&& ifap->ifa_addr->sa_family == AF_INET6
&& Server->getServerParameter("disable_ipv6").empty())
{
sockaddr_in6 source_addr;