Diffstat (limited to 'noncore/net/wellenreiter/daemon/source/sniffer.cc') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/sniffer.cc | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.cc b/noncore/net/wellenreiter/daemon/source/sniffer.cc index be64d67..66d5b6f 100644 --- a/noncore/net/wellenreiter/daemon/source/sniffer.cc +++ b/noncore/net/wellenreiter/daemon/source/sniffer.cc @@ -1,77 +1,38 @@ /* * rfmon mode sniffer * This works only with cisco wireless cards with an rfmon * able driver and not with wifi stuff. * * $Id$ */ #include "config.hh" #include "cardmode.hh" #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; /* 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); - /* 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; pinfoptr->isvalid = 0; pinfoptr->pktlen = pkthdr->len; if (caplen < IEEE802_11_FC_LEN) { /* This is a garbage packet, because is does not long enough to hold a 802.11b header */ pinfoptr->isvalid = 0; return; } /* Gets the framecontrol bits (2bytes long) */ @@ -277,49 +238,49 @@ int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo) break; case E_CF: memcpy(&(pbody.cf),p+offset,8); offset +=8; break; case E_TIM: memcpy(&(pbody.tim),p+offset,2); offset +=2; memcpy(&(pbody.tim.count),p+offset,3); offset +=3; if ((pbody.tim.length -3) > 0) { memcpy((pbody.tim.bitmap),p+(pbody.tim.length -3),(pbody.tim.length -3)); offset += pbody.tim.length -3; } break; default: offset+= *(p+offset+1) + 2; break; } /* end of switch*/ } /* end of for loop */ return 0; } /* End of handle_beacon */ -static int GetHeaderLength(u_int16_t fc) +int GetHeaderLength(u_int16_t fc) { int iLength=0; switch (FC_TYPE(fc)) { case T_MGMT: iLength = MGMT_HEADER_LEN; break; case T_CTRL: switch (FC_SUBTYPE(fc)) { case CTRL_PS_POLL: iLength = CTRL_PS_POLL_LEN; break; case CTRL_RTS: iLength = CTRL_RTS_LEN; break; case CTRL_CTS: iLength = CTRL_CTS_LEN; break; case CTRL_ACK: iLength = CTRL_ACK_LEN; break; case CTRL_CF_END: iLength = CTRL_END_LEN; break; |