| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc index b836a31..6467af7 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.cc +++ b/noncore/net/wellenreiter/daemon/source/daemon.cc @@ -1,97 +1,119 @@ /* * Startup functions of wellenreiter * * $Id$ */ #include "config.hh" #include "daemon.hh" /* Main function of wellenreiterd */ int main(int argc, char **argv) { int sock, maxfd, retval; char buffer[128]; struct pcap_pkthdr header; pcap_t *handletopcap; const unsigned char *packet; fd_set rset; fprintf(stderr, "wellenreiterd %s\n\n", VERSION); - if(!card_into_monitormode(handletopcap, SNIFFER_DEVICE, CARD_TYPE_NG)) + if(!card_into_monitormode(&handletopcap, SNIFFER_DEVICE, CARD_TYPE_NG)) { wl_logerr("Cannot set card into mon mode, aborting"); exit(-1); } wl_loginfo("Set card into monitor mode"); + /////// following line will be moved to lib as soon as possible //////////// + if((handletopcap = pcap_open_live(SNIFFER_DEVICE, BUFSIZ, 1, 0, NULL)) == NULL) + { + wl_logerr("pcap_open_live() failed: %s", strerror(errno)); + exit(-1); + } + +#ifdef HAVE_PCAP_NONBLOCK + pcap_setnonblock(handletopcap, 1, NULL); +#endif + + /* getting the datalink type */ + retval = pcap_datalink(handletopcap); + if (retval != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ + { + wl_loginfo("Interface %s does not work in the correct 802.11 raw mode", SNIFFER_DEVICE); + pcap_close(handletopcap); + return 0; + } + wl_loginfo("Your successfully listen on %s in 802.11 raw mode", SNIFFER_DEVICE); + //////////////////////////////////////// + /* Setup socket for incoming commands */ if((sock=commsock(DAEMONADDR, DAEMONPORT)) < 0) { wl_logerr("Cannot setup socket"); exit(-1); } wl_loginfo("Set up socket '%d' for GUI communication", sock); FD_ZERO(&rset); /* Start main loop */ wl_loginfo("Starting main loop"); while(1) { FD_SET(sock, &rset); FD_SET(pcap_fileno(handletopcap), &rset); maxfd=sock + pcap_fileno(handletopcap) + 1; if(select(maxfd, &rset, NULL, NULL, NULL) < 0) { wl_logerr("Error calling select: %s", strerror(errno)); break; } /* Got data on local socket from GUI */ if(FD_ISSET(sock, &rset)) { /* Receive data from socket */ if((retval=recvcomm(&sock, buffer, sizeof(buffer))) < 0) { wl_logerr("Error trying to read: %s", strerror(errno)); break; } else { /* check type of packet and start function according to it */ switch(retval) { case 98: wl_loginfo("Received STARTSNIFF command"); break; case 99: wl_loginfo("Received STOPSNIFF command"); break; default: wl_logerr("Received unknown command: %d", retval); break; } } } /* FD_ISSET */ /* Check pcap lib for packets */ if(FD_ISSET(pcap_fileno(handletopcap), &rset)) { /* Grab one single packet */ packet = pcap_next(handletopcap, &header); /* process the packet */ process_packets(&header,*&packet); } } /* while(1) */ close(sock); exit(0); } |