1 files changed, 71 insertions, 0 deletions

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/sniff.cc b/noncore/net/wellenreiter/libwellenreiter/source/sniff.cc
index 6e512c4..0616a7e 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/sniff.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/sniff.cc
@@ -12,2 +12,73 @@
 #include "wl_proto.hh"
+#include "cardmode.hh"
+
+int start_sniffer(const char *device, int cardtype )
+{
+        
+        /* This function initialize the sniffing
+           1. Check for lo interface
+           2. bring it into promsicous mode and UP
+           3. bring device into rfmon mode
+           start the pcap sniffing process.
+          */
+
+          /* Do we have the device name ? */
+          if(device == NULL)
+          {
+              wl_logerr("start_sniffer, parameter \"device\" is empty, please check your config");
+              return 0;
+          }
+        
+        /* Some Linux System does not have a loopback device lo with 127.0.0.1 so sockets could 
+           not made correctly, let the proggie check that and proceed only if it exists. */
+        if (!check_loopback())
+        {
+                wl_logerr("start_sniffer, check_loopback failed, cannot continue without a loopback");
+                return 0;
+        }
+
+        /* Set the card into regulary promiscous mode first and set the UP flag, in case no ip 
+           was given. It would work without the promisc flags but i dont like this */
+        if (!card_set_promisc_up(device))
+        {
+                wl_logerr("start_sniffer, card_set_promisc_up failed, cannot continue");
+                return 0;
+            } 
+
+        /* Set card into the rfmon/monitoring mode */
+        if (!card_into_monitormode(device,cardtype))
+    {
+            wl_logerr("start_sniffer, cannot put wireless card into monitoring mode, aborting");
+                return 0;
+        }
+
+    /* setup pcap handle, used for the packet decoding etc. */
+    if((handletopcap = pcap_open_live((char *) device, BUFSIZ, 1, 0, NULL)) == NULL)
+    {
+            wl_logerr("pcap_open_live() failed: %s", strerror(errno));
+            return 0;
+    }
+  
+#ifdef HAVE_PCAP_NONBLOCK
+  pcap_setnonblock(handletopcap, 1, NULL);
+#endif
+        return 1;
+}
+
+
+int stop_sniffer(const char *device, int cardtype)
+{
+        /* This function terminates the sniffing 
+           1. get the device state
+           2. remove the rfmon state
+           3. Remove the promisc state
+           start the pcap sniffing process.
+           
+          */
+
+        /* Do we really have at least a lo interface with the 127.0.0.1 ? */
+                return 0;
+
+}
+