* parts taken from aircrack-ng, parts changend.
*/
#include "gnunet_config.h"
+#define SOCKTYPE int
+#define FDTYPE int
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/types.h>
if (PRISM_STATUS_OK == pv.status)
{
ri->ri_noise = pv.data;
- got_noise = 1;
+ /* got_noise = 1; */
}
break;
case PRISM_DID_RATE:
if (PRISM_STATUS_OK == pv.status)
{
ri->ri_power = pv.data;
- got_signal = 1;
+ /* got_signal = 1; */
}
break;
}
break;
case ARPHRD_ETHER:
{
- ;
-
if (sizeof (struct GNUNET_TRANSPORT_WLAN_Ieee8023Frame) > caplen)
return 0; /* invalid */
memcpy (&buf[sizeof (struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame)],
memcpy (&dev->pl_mac, ifr.ifr_hwaddr.sa_data, MAC_ADDR_SIZE);
dev->arptype_in = ifr.ifr_hwaddr.sa_family;
- if ((ifr.ifr_hwaddr.sa_family != ARPHRD_IEEE80211) &&
+ if ((ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) &&
+ (ifr.ifr_hwaddr.sa_family != ARPHRD_IEEE80211) &&
(ifr.ifr_hwaddr.sa_family != ARPHRD_IEEE80211_PRISM) &&
(ifr.ifr_hwaddr.sa_family != ARPHRD_IEEE80211_FULL))
{
mac_test (const struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame *taIeeeHeader,
const struct HardwareInfos *dev)
{
+ static struct GNUNET_TRANSPORT_WLAN_MacAddress all_zeros;
+
+ if ( (0 == memcmp (&taIeeeHeader->addr3, &all_zeros, MAC_ADDR_SIZE)) ||
+ (0 == memcmp (&taIeeeHeader->addr1, &all_zeros, MAC_ADDR_SIZE)) )
+ return 0; /* some drivers set no Macs, then assume it is all for us! */
+
if (0 != memcmp (&taIeeeHeader->addr3, &mac_bssid_gnunet, MAC_ADDR_SIZE))
return 1; /* not a GNUnet ad-hoc package */
if ( (0 == memcmp (&taIeeeHeader->addr1, &dev->pl_mac, MAC_ADDR_SIZE)) ||
struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame *wlanheader;
size_t sendsize;
struct RadiotapTransmissionHeader rtheader;
+ struct GNUNET_TRANSPORT_WLAN_Ieee8023Frame etheader;
sendsize = ntohs (hdr->size);
if ( (sendsize <
exit (1);
}
header = (const struct GNUNET_TRANSPORT_WLAN_RadiotapSendMessage *) hdr;
- rtheader.header.it_version = 0;
- rtheader.header.it_pad = 0;
- rtheader.header.it_len = GNUNET_htole16 (sizeof (rtheader));
- rtheader.header.it_present = GNUNET_htole16 (IEEE80211_RADIOTAP_OUR_TRANSMISSION_HEADER_MASK);
- rtheader.rate = header->rate;
- rtheader.pad1 = 0;
- rtheader.txflags = GNUNET_htole16 (IEEE80211_RADIOTAP_F_TX_NOACK | IEEE80211_RADIOTAP_F_TX_NOSEQ);
- memcpy (write_pout.buf, &rtheader, sizeof (rtheader));
- memcpy (&write_pout.buf[sizeof (rtheader)], &header->frame, sendsize);
- wlanheader = (struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame *) &write_pout.buf[sizeof (rtheader)];
-
- /* payload contains MAC address, but we don't trust it, so we'll
- * overwrite it with OUR MAC address to prevent mischief */
- mac_set (wlanheader, dev);
- write_pout.size = sendsize + sizeof (rtheader);
+ switch (dev->arptype_in)
+ {
+ case ARPHRD_IEEE80211_PRISM:
+ case ARPHRD_IEEE80211_FULL:
+ case ARPHRD_IEEE80211:
+ rtheader.header.it_version = 0;
+ rtheader.header.it_pad = 0;
+ rtheader.header.it_len = GNUNET_htole16 (sizeof (rtheader));
+ rtheader.header.it_present = GNUNET_htole16 (IEEE80211_RADIOTAP_OUR_TRANSMISSION_HEADER_MASK);
+ rtheader.rate = header->rate;
+ rtheader.pad1 = 0;
+ rtheader.txflags = GNUNET_htole16 (IEEE80211_RADIOTAP_F_TX_NOACK | IEEE80211_RADIOTAP_F_TX_NOSEQ);
+ memcpy (write_pout.buf, &rtheader, sizeof (rtheader));
+ memcpy (&write_pout.buf[sizeof (rtheader)], &header->frame, sendsize);
+ wlanheader = (struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame *) &write_pout.buf[sizeof (rtheader)];
+
+ /* payload contains MAC address, but we don't trust it, so we'll
+ * overwrite it with OUR MAC address to prevent mischief */
+ mac_set (wlanheader, dev);
+ write_pout.size = sendsize + sizeof (rtheader);
+ break;
+ case ARPHRD_ETHER:
+ etheader.dst = header->frame.addr1;
+ /* etheader.src = header->frame.addr2; --- untrusted input */
+ etheader.src = dev->pl_mac;
+ etheader.type = htons (ETH_P_IP);
+ memcpy (write_pout.buf, ðeader, sizeof (etheader));
+ memcpy (&write_pout.buf[sizeof (etheader)], &header[1], sendsize - sizeof (struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame));
+ write_pout.size = sendsize - sizeof (struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame) + sizeof (etheader);
+ break;
+ default:
+ fprintf (stderr,
+ "Unsupported ARPTYPE!\n");
+ break;
+ }
}