/*!
retrieve the 6-byte address of the network card; returns true on success
This implementation is from libuuid; it has not been debugged or
even compiled
*/
bool UT_getEthernetAddress(UT_EthernetAddress &a)
{
UT_UNUSED(a);
#if 0
// TODO -- someone should debug this and turn it on
#ifdef HAVE_NET_IF_H
int sd;
struct ifreq ifr, *ifrp;
struct ifconf ifc;
char buf[1024];
int n, i;
unsigned char *a;
/*
* BSD 4.4 defines the size of an ifreq to be
* max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
* However, under earlier systems, sa_len isn't present, so the size is
* just sizeof(struct ifreq)
*/
#ifdef HAVE_SA_LEN
#define ifreq_size(i) max(sizeof(struct ifreq),\
sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
#else
#define ifreq_size(i) sizeof(struct ifreq)
#endif /* HAVE_SA_LEN*/
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if (sd < 0) {
return false;
}
memset(buf, 0, sizeof(buf));
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) {
close(sd);
return false;
}
n = ifc.ifc_len;
for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
#ifdef SIOCGIFHWADDR
if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
continue;
a = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
#else
#ifdef SIOCGENADDR
if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
continue;
a = (unsigned char *) ifr.ifr_enaddr;
#else
/*
* XXX we don't have a way of getting the hardware
* address
*/
close(sd);
return false;
#endif /* SIOCGENADDR */
#endif /* SIOCGIFHWADDR */
if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
continue;
if (node_id) {
memcpy(node_id, a, 6);
close(sd);
return true;
}
}
close(sd);
#endif
#else
// someone needs to debug/fix, ect., the code above
UT_ASSERT(UT_NOT_IMPLEMENTED);
#endif
return false;
}
/*
* Get the ethernet hardware address, if we can find it...
*/
static int get_node_id(unsigned char *node_id)
{
#ifdef HAVE_NET_IF_H
int sd;
struct ifreq ifr, *ifrp;
struct ifconf ifc;
char buf[1024];
int n, i;
unsigned char *a;
/*
* BSD 4.4 defines the size of an ifreq to be
* max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
* However, under earlier systems, sa_len isn't present, so the size is
* just sizeof(struct ifreq)
*/
#ifdef HAVE_SA_LEN
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#define ifreq_size(i) max(sizeof(struct ifreq),\
sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
#else
#define ifreq_size(i) sizeof(struct ifreq)
#endif /* HAVE_SA_LEN*/
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if (sd < 0) {
return -1;
}
memset(buf, 0, sizeof(buf));
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) {
close(sd);
return -1;
}
n = ifc.ifc_len;
for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
#ifdef SIOCGIFHWADDR
if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
continue;
a = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
#else
#ifdef SIOCGENADDR
if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
continue;
a = (unsigned char *) ifr.ifr_enaddr;
#else
/*
* XXX we don't have a way of getting the hardware
* address
*/
close(sd);
return 0;
#endif /* SIOCGENADDR */
#endif /* SIOCGIFHWADDR */
if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
continue;
if (node_id) {
memcpy(node_id, a, 6);
close(sd);
return 1;
}
}
close(sd);
#endif
return 0;
}
int get_macaddresses(vec_macs_t& vecMacs)
{
int sd = -1;
struct ifreq ifr, *ifrp;
struct ifconf ifc;
char buf[1024];
int n, i;
unsigned char *a;
/*
* BSD 4.4 defines the size of an ifreq to be
* max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
* However, under earlier systems, sa_len isn't present, so the size is
* just sizeof(struct ifreq)
*/
#ifdef HAVE_SA_LEN
//printf("HAVE_SA_LEN\n");
#define ifreq_size(i) (std::max( sizeof(struct ifreq), sizeof((i).ifr_name)+(i).ifr_addr.sa_len ))
#else
//printf("no HAVE_SA_LEN\n");
#define ifreq_size(i) (sizeof(struct ifreq))
#endif /* HAVE_SA_LEN*/
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
//printf("sd=%u\n", sd);
if (sd < 0)
{
return -1;
}
memset(buf, 0, sizeof(buf));
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0)
{
//printf("ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0\n");
close(sd);
return -1;
}
n = ifc.ifc_len;
//printf("n=%u\n", n);
vecMacs.reserve(n);
for (i = 0; i < n; i+= ifreq_size(*ifr) )
{
ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
//printf("ifrp->ifr_name=%s\n", ifrp->ifr_name);
#ifdef SIOCGIFHWADDR
if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
{
//printf("ioctl(sd, SIOCGIFHWADDR, &ifr) < 0\n");
continue;
}
a = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
#else
#ifdef SIOCGENADDR
if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
continue;
a = (unsigned char *) ifr.ifr_enaddr;
#else
/*
* XXX we don't have a way of getting the hardware
* address
*/
close(sd);
return 0;
#endif /* SIOCGENADDR */
#endif /* SIOCGIFHWADDR */
if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
continue;
macaddr_t mac;
memcpy(mac.addr, a, sizeof(mac.addr));
vecMacs.push_back(mac);
/*
printf(
"a=%X-%X-%X-%X-%X-%X\n",
(int)a[0],
(int)a[1],
(int)a[2],
(int)a[3],
(int)a[4],
(int)a[5]);
*/
};
close(sd);
return 0;
};
