void adaptorListFree(SFLAdaptorList *adList)
{
adaptorListReset(adList);
my_free(adList->adaptors);
my_free(adList);
}
int readInterfaces(HSP *sp)
{
char *a;
u_char dest_mac[6];
struct sockaddr_in *foo;
if(sp->adaptorList == NULL) sp->adaptorList = adaptorListNew();
else adaptorListReset(sp->adaptorList);
// Walk the interfaces and collect the non-loopback interfaces so that we
// have a list of MAC addresses for each interface (usually only 1).
//
// May need to come back and run a variation of this where we supply
// a domain and collect the virtual interfaces for that domain in a
// similar way. It looks like we do that by just parsing the numbers
// out of the interface name.
struct ifaddrs *ifap;
getifaddrs(&ifap);
for(struct ifaddrs *ifp = ifap; ifp; ifp = ifp->ifa_next) {
char *devName = ifp->ifa_name;
if(devName) {
devName = trimWhitespace(devName);
// Get the flags for this interface
int up = (ifp->ifa_flags & IFF_UP) ? YES : NO;
int loopback = (ifp->ifa_flags & IFF_LOOPBACK) ? YES : NO;
int promisc = (ifp->ifa_flags & IFF_PROMISC) ? YES : NO;
int address_family = ifp->ifa_addr->sa_family;
if(debug > 1) {
myLog(LOG_INFO, "reading interface %s (up=%d, loopback=%d, family=%d)",
devName,
up,
loopback,
address_family);
}
//int hasBroadcast = (ifp->ifa_flags & IFF_BROADCAST);
//int pointToPoint = (ifp->ifa_flags & IFF_POINTOPOINT);
if(up && !loopback && address_family == AF_INET) {
/***** THE NEW WAY ******/
find_mac(devName,&dest_mac[0]);
SFLAdaptor *adaptor = adaptorListAdd(sp->adaptorList, devName,
(u_char *)&dest_mac);
/*
SFLAdaptor *adaptor = adaptorListAdd(sp->adaptorList, devName,
(u_char *)&(ifp->ifa_addr->sa_data));
*/
adaptor->promiscuous = promisc;
address_family = ifp->ifa_addr->sa_family;
if(debug > 1) {
myLog(LOG_INFO, "Device: %s",devName);
myLog(LOG_INFO, "Address family: %d",address_family);
}
foo = (struct sockaddr_in *)&ifp->ifa_addr;
if (address_family == AF_INET) {
a=(char *)&(ifp->ifa_addr->sa_data);
a++; a++; // Yep... it really is 2 bytes over
// Only IPV4 below ....
memcpy(&adaptor->ipAddr.addr, a, 4);
if(debug > 1) {
myLog(LOG_INFO, "My IP address = %d.%d.%d.%d", a[0], a[1], a[2], a[3]);
}
}
}
}
}
updateAdaptorNIO(sp);
freeifaddrs(ifap);
return sp->adaptorList->num_adaptors;
}
