Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <ip.h>

static uchar loopbacknet[IPaddrlen] = {
        0, 0, 0, 0,
        0, 0, 0, 0,
        0, 0, 0xff, 0xff,
        127, 0, 0, 0
};
static uchar loopbackmask[IPaddrlen] = {
        0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff,
        0xff, 0, 0, 0
};

// find first ip addr that isn't the friggin loopback address
// unless there are no others
int
myipaddr(uchar *ip, char *net)
{
        Ipifc *nifc;
        Iplifc *lifc;
        static Ipifc *ifc;
        uchar mynet[IPaddrlen];

        ifc = readipifc(net, ifc, -1);
        for(nifc = ifc; nifc; nifc = nifc->next)
                for(lifc = nifc->lifc; lifc; lifc = lifc->next){
                        maskip(lifc->ip, loopbackmask, mynet);
                        if(ipcmp(mynet, loopbacknet) == 0){
                                continue;
                        }
                        if(ipcmp(lifc->ip, IPnoaddr) != 0){
                                ipmove(ip, lifc->ip);
                                return 0;
                        }
                }
        ipmove(ip, IPnoaddr);
        return -1;
}