| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 24 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.hh | 1 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | 9 |
3 files changed, 24 insertions, 10 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc index d6e8f6b..b57e6a0 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.cc +++ b/noncore/net/wellenreiter/daemon/source/daemon.cc @@ -1,157 +1,165 @@ /* * Startup functions of wellenreiter * * $Id$ */ #include "config.hh" #include "daemon.hh" // temporary solution, will be removed soon #define MAXCHANNEL 13 +int card_type; char sniffer_device[6]; int channel=0; int timedout=1; -static int chanswitch() +void chanswitch(int blah) { if(channel >= MAXCHANNEL) - channel=1 + { + channel=1; + } + else + { + channel++; + } card_set_channel(sniffer_device, channel, card_type); timedout=0; + alarm(1); } /* Main function of wellenreiterd */ int main(int argc, char **argv) { - int sock, maxfd, retval, card_type; + int sock, maxfd, retval; char buffer[WL_SOCKBUF]; struct pcap_pkthdr header; struct sockaddr_in saddr; pcap_t *handletopcap; const unsigned char *packet; fd_set rset; fprintf(stderr, "wellenreiterd %s\n\n", VERSION); fprintf(stderr, "(c) 2002 by M-M-M\n\n"); if(argc < 3) usage(); // removed soon, see above - SIGNAL(SIGALRM, chanswitch); - + signal(SIGALRM, chanswitch); + alarm(1); /* Set sniffer device */ memset(sniffer_device, 0, sizeof(sniffer_device)); strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1); /* Set card type */ card_type = atoi(argv[2]); - if(card_type < 1 || card_type > 3) + if(card_type < 1 || card_type > 4) usage(); if(!card_into_monitormode(&handletopcap, sniffer_device, card_type)) { wl_logerr("Cannot initialize the wireless-card, 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 //////////////////////////////////////// /* Setup socket for incoming commands */ if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT, saddr)) < 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); // blah timedout=1; - alarm(1); /* socket or pcap handle bigger? Will be cleaned up, have to check pcap */ maxfd = (sock > pcap_fileno(handletopcap) ? sock : pcap_fileno(handletopcap)) + 1; if(select(maxfd, &rset, NULL, NULL, NULL) < 0 && timedout) { 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=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0 && timedout) { 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, GUIADDR, GUIPORT); } } /* while(1) */ close(sock); exit(0); } void usage(void) { fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \ "\t<device> = Wirelessdevice (e.g. wlan0)\n" \ "\t<cardtype> = Cardtype:\t Cisco\t= 1\n" \ "\t\t\t\tNG\t= 2\n" \ - "\t\t\t\tHOSTAP\t= 3\n"); + "\t\t\t\tHOSTAP\t= 3\n" \ + "\t\t\t\tLUCENT\t= 4\n"); exit(-1); } diff --git a/noncore/net/wellenreiter/daemon/source/daemon.hh b/noncore/net/wellenreiter/daemon/source/daemon.hh index 1cc3c7c..d50487a 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.hh +++ b/noncore/net/wellenreiter/daemon/source/daemon.hh @@ -1,25 +1,26 @@ /* $Id$ */ #ifndef DAEMON_HH #define DAEMON_HH #include <stdio.h> #include <string.h> #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <unistd.h> #include <errno.h> +#include <signal.h> #include <libwellenreiter/source/wl_sock.hh> #include <libwellenreiter/source/wl_log.hh> #include <libwellenreiter/source/wl_types.hh> #include <libwellenreiter/source/wl_proto.hh> #include <libwellenreiter/source/cardmode.hh> #include <libwellenreiter/source/sniff.hh> void usage(void); #endif /* DAEMON_HH */ diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc index 697d182..0c23922 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc @@ -1,187 +1,192 @@ /* * Set card modes for sniffing * * $Id$ */ #include "cardmode.hh" #include "wl_log.hh" /* main card into monitor function */ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype) { char CiscoRFMON[35] = "/proc/driver/aironet/"; FILE *CISCO_CONFIG_FILE; /* Checks if we have a device to sniff on */ if(device == NULL) { wl_logerr("No device given"); return 0; } /* Setting the promiscous and up flag to the interface */ if (!card_set_promisc_up(device)) { wl_logerr("Cannot set interface to promisc mode"); return 0; } wl_loginfo("Interface set to promisc mode"); /* Check the cardtype and executes the commands to go into monitor mode */ if (cardtype == CARD_TYPE_CISCO) { /* bring the sniffer into rfmon mode */ snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device); if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL) { wl_logerr("Cannot open config file: %s", strerror(errno)); return 0; } fputs ("Mode: r",CISCO_CONFIG_FILE); fputs ("Mode: y",CISCO_CONFIG_FILE); fputs ("XmitPower: 1",CISCO_CONFIG_FILE); fclose(CISCO_CONFIG_FILE); } else if (cardtype == CARD_TYPE_NG) { char wlanngcmd[62]; snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "%s %s lnxreq_wlansniff channel=1 enable=true", WLANCTL_PATH, device); if (system(wlanngcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_HOSTAP) { wl_logerr("Got a host-ap card, nothing is implemented now"); char hostapcmd[250]; snprintf(hostapcmd, sizeof(hostapcmd) -1, "%s %s monitor 2", IWPRIV_PATH, device); if (system(hostapcmd) !=0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_ORINOCCO) { char lucentcmd[62]; snprintf(lucentcmd, sizeof(lucentcmd) - 1, "$(which iwpriv) %s monitor 2 %d", device, 1); if (system(lucentcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } + else + { + wl_loginfo("Successfully set %s into raw mode",device); + } } /* Setting the promiscous and up flag to the interface */ if (!card_check_rfmon_datalink(device)) { wl_logerr("Cannot set interface to rfmon mode"); return 0; } else { wl_loginfo("Interface set to rfmon mode"); } return 1; } /* Check card is in the rfmon mode */ int card_check_rfmon_datalink (char *device) { int datalinktype=0; pcap_t *phandle; phandle = pcap_open_live(device, 65,0,0,NULL); datalinktype = pcap_datalink (phandle); pcap_close(phandle); if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ { return 0; } else { wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device); return 1; } } /* Set card into promisc mode */ int card_set_promisc_up (const char *device) { int err; /* First generate a socket to use with iocalls */ int fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd < 0) { /* In case of an error */ perror("socket"); return 0; } /* Fill an empty an interface structure with the right flags (UP and Promsic) */ struct ifreq ifr; strncpy(ifr.ifr_name, device,10); ifr.ifr_flags = IFF_UP + IFF_PROMISC; err = ioctl(fd, SIOCSIFFLAGS, &ifr); if (err < 0) { perror("Could not access the interface, "); return 0; } /* Get the informations back from the interface to check if the flags are correct */ strncpy(ifr.ifr_name, device,10); ioctl(fd, SIOCGIFFLAGS, &ifr); if (err < 0) { perror("Could not access the interface, "); return 0; } if(ifr.ifr_flags && IFF_UP) { printf("%s is ok\n", device); return 1; } else { printf("%s flags could not be set", device); return 0; } } /* Set channel (Wireless frequency) of the device */ int card_set_channel (const char *device, int channel, int cardtype) { - if (cardtype == CARD_TYPE_CISCO) { /* Cisco cards don't need channelswitching */ return 1; } /* If it is a lucent orinocco card */ else if (cardtype == CARD_TYPE_ORINOCCO) { char lucentreset[63]; char lucentcmd[62]; - snprintf(lucentreset, sizeof(lucentreset) -1,"$(which iwpriv) %s card_reset", device); + snprintf(lucentreset, sizeof(lucentreset) -1,"$(which iwpriv) %s force_reset", device); if (system(lucentreset) != 0) { wl_logerr("Could not reset the card %s",device); return 0; } snprintf(lucentcmd, sizeof(lucentcmd) - 1, "$(which iwpriv) %s monitor 2 %d", device, channel); if (system(lucentcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } + wl_loginfo("Channel %d set on interface %s",channel,device); + return 1; } /* For undefined situations */ return 0; } |