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Fix possible getifaddrs crash

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This commit is contained in:
Benau 2019-01-14 02:26:30 +08:00
parent 60da1fa6c7
commit 16d7f7e398
1 changed files with 6 additions and 2 deletions
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8
src/network/servers_manager.cpp
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@ -421,10 +421,14 @@ void ServersManager::updateBroadcastAddresses()
#else
struct ifaddrs *addresses, *p;
getifaddrs(&addresses);
if (getifaddrs(&addresses) == -1)
{
Log::warn("ServerManager", "Error in getifaddrs");
return;
}
for (p = addresses; p; p = p->ifa_next)
{
if (p->ifa_addr->sa_family == AF_INET)
if (p->ifa_addr != NULL && p->ifa_addr->sa_family == AF_INET)
{
struct sockaddr_in *sa = (struct sockaddr_in *) p->ifa_addr;
TransportAddress ta(htonl(sa->sin_addr.s_addr), 0);