Sniffer changed to pcap_next

1 files changed, 14 insertions, 4 deletions

diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.cc b/noncore/net/wellenreiter/daemon/source/sniffer.cc
index 65c8579..be64d67 100644
--- a/noncore/net/wellenreiter/daemon/source/sniffer.cc
+++ b/noncore/net/wellenreiter/daemon/source/sniffer.cc
@@ -11,43 +11,54 @@
 #include "sniffer.hh"
 #include "ieee802_11.hh"
 #include "extract.hh"
 
 int main(void)
         {
         if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0)
                 return 0;
                 start_sniffing (SNIFFER_DEVICE);
 
   return 1;
 }
 
 int start_sniffing (char * device)
 {
  
-        pcap_t *handletopcap;
-        char errbuf[PCAP_ERRBUF_SIZE];
+                pcap_t *handletopcap;     /* The handle to the libpcap */
+        char errbuf[PCAP_ERRBUF_SIZE]; /* The errorbuffer of libpacap */
+        struct pcap_pkthdr header;     /* The packet header from pcap*/
+    const u_char *packet;          /* The actual packet content*/
 
         /* opening the pcap for sniffing */
         handletopcap = pcap_open_live(device, BUFSIZ, 1, 1000, errbuf);
 
         #ifdef HAVE_PCAP_NONBLOCK
             pcap_setnonblock(handletopcap, 1, errstr);
         #endif
         /*start scanning */
-        pcap_loop(handletopcap,-1,process_packets,NULL);
+        //pcap_loop(handletopcap,-1,process_packets,NULL);
+        /* Loope endless */
+        while(1)
+        {
+                /* Grab one single packet */
+            packet = pcap_next(handletopcap, &header);
+
+                /* process the packet */
+                        process_packets(NULL,&header,*&packet);         
+        }
 
         printf("\nDone processing packets... wheew!\n");
         return 1;
 }
 
 void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet)
 {
         u_int caplen = pkthdr->caplen;
         u_int length = pkthdr->len;
         u_int16_t fc;
         u_int HEADER_LENGTH;
 
         /* pinfo holds all interresting information for us */
         struct packetinfo pinfo;
         struct packetinfo *pinfoptr;
         pinfoptr=&pinfo;
@@ -85,33 +96,32 @@ void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_ch
                 packet += HEADER_LENGTH;
         }
         else
         {   /* Something is wrong,could not be a correct packet */
                 return;
         }
         
         switch (FC_TYPE(fc)) 
         {
                 /* Is it a managemnet frame? */
                 case T_MGMT:
                         switch (FC_SUBTYPE(fc))
                         {   /* Is it a beacon frame? */
                                 case ST_BEACON:
                                         if (handle_beacon(fc, packet,pinfoptr) ==0)
                                         {
-                                                printf ("\n\tOn network : %s",pinfoptr->ssid);
                                                 if (!strcmp(pinfoptr->desthwaddr,"ff:ff:ff:ff:ff:ff") == 0)
                                                 {
                                                         /* Every beacon must have the broadcast as destination
                                                            so it must be a shitti packet */
                                                         pinfoptr->isvalid = 0;
                                                         return;
                                                 } 
 
                                                 if (pinfoptr->cap_ESS == pinfoptr->cap_IBSS)
                                                 {
                                                         /* Only one of both are possible, so must be 
                                                            a noise packet, if this comes up */
                                                         pinfoptr->isvalid = 0;
                                                         return;
                                                 }
                                                 if (pinfoptr->channel < 1 || pinfoptr->channel > 14)