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Fix for Issue #18 Linux: YACReaderLibrary segfaults on start if an

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openvpn connection is present
This commit is contained in:
Felix Kauselmann 2014-08-08 21:19:56 +02:00
parent 4de5789c5f
commit 458f9f42d3
1 changed files with 17 additions and 15 deletions
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30
YACReaderLibrary/server_config_dialog.cpp
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@ -31,20 +31,22 @@ QList<QString> addresses()
getifaddrs(&ifAddrStruct); getifaddrs(&ifAddrStruct);
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) { for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa ->ifa_addr->sa_family==AF_INET) { // check it is IP4 if (ifa ->ifa_addr) {
// is a valid IP4 Address if (ifa ->ifa_addr->sa_family==AF_INET) { // check it is IP4
tmpAddrPtr=&((struct sockaddr_in *)ifa->ifa_addr)->sin_addr; // is a valid IP4 Address
char addressBuffer[INET_ADDRSTRLEN]; tmpAddrPtr=&((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN); char addressBuffer[INET_ADDRSTRLEN];
QString add(addressBuffer); inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
localAddreses.push_back(QString(addressBuffer)); QString add(addressBuffer);
//printf("%s IP Address %s\n", ifa->ifa_name, addressBuffer); localAddreses.push_back(QString(addressBuffer));
} else if (ifa->ifa_addr->sa_family==AF_INET6) { // check it is IP6 //printf("%s IP Address %s\n", ifa->ifa_name, addressBuffer);
// is a valid IP6 Address } else if (ifa->ifa_addr->sa_family==AF_INET6) { // check it is IP6
tmpAddrPtr=&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr; // is a valid IP6 Address
char addressBuffer[INET6_ADDRSTRLEN]; tmpAddrPtr=&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN); char addressBuffer[INET6_ADDRSTRLEN];
//printf("%s IP Address %s\n", ifa->ifa_name, addressBuffer); inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN);
//printf("%s IP Address %s\n", ifa->ifa_name, addressBuffer);
}
} }
} }
if (ifAddrStruct!=NULL) freeifaddrs(ifAddrStruct); if (ifAddrStruct!=NULL) freeifaddrs(ifAddrStruct);