| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc index a57645b..d385df4 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc @@ -1,346 +1,346 @@ /* * 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, const 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[80]; snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, 1); if (system(wlanngcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_HOSTAP) { #if WIRELESS_EXT > 14 // IW_MODE_MONITOR was implemented in Wireless Extensions Version 15 int skfd; skfd = socket(AF_INET, SOCK_STREAM, 0); struct iwreq wrq; wrq.u.mode = IW_MODE_MONITOR; if(iw_set_ext(skfd,(char *) device,SIOCSIWMODE,&wrq)<0) { wl_logerr("Could not set hostap card %s to raw mode, check cardtype", device); return 0; } else { wl_loginfo("Successfully set hostap card %s into raw mode",device); return 1; } return 1; #else // Wireless Extensions < Version 15 need iwpriv commandos for monitoring int fd; //Wireless tools structure for the iocalls struct iwreq ireq; int *ptr; /* Socket needed to use the iocall to */ fd = socket(AF_INET, SOCK_STREAM, 0); if ( fd == -1 ) { return -1; } ptr = (int *) ireq.u.name; // This is the monitor mode for 802.11 non-prism header ptr[0] = 2; strcpy(ireq.ifr_ifrn.ifrn_name, device); - if (ioctl( fd, SIOCIWFIRSTPRIV + 4, &ireq)==0) + if (ioctl( fd, SIOCDEVPRIVATE, &ireq)==0) { /* All was fine... */ close(fd); wl_loginfo("Set hostap card %s into monitormode",device); return 1; } else { /* iocall does not work */ close(fd); wl_logerr("Could not set hostap card %s into monitormode, check cardtype",device); return 0; } #endif } else if (cardtype == CARD_TYPE_ORINOCCO ) { if (!card_set_channel (device, 1, CARD_TYPE_ORINOCCO)) { 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 (const char *device) { int datalinktype=0; pcap_t *phandle; phandle = pcap_open_live((char *)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, "); close(fd); return 0; } /* Get the informations back from the interface to check if the flags are correct */ strncpy(ifr.ifr_name, device,10); err = ioctl(fd, SIOCGIFFLAGS, &ifr); if (err < 0) { perror("Could not access the interface, "); close(fd); return 0; } if(ifr.ifr_flags && IFF_UP) { close(fd); return 1; } else { wl_logerr("Could not set promisc flag on %d", device); close(fd); 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 || cardtype == CARD_TYPE_NG) { /* Cisco and wlan-ng drivers don't need channelswitching */ return 1; } /* If it is a lucent orinocco card */ else if (cardtype == CARD_TYPE_ORINOCCO) { int fd; //Wireless tools structure for the iocalls struct iwreq ireq; int *ptr; /* Socket needed to use the iocall to */ fd = socket(AF_INET, SOCK_STREAM, 0); if ( fd == -1 ) { return -1; } ptr = (int *) ireq.u.name; // This is the monitor mode for 802.11 non-prism header ptr[0] = 2; ptr[1] = channel; strcpy(ireq.ifr_ifrn.ifrn_name, device); if (ioctl( fd, SIOCIWFIRSTPRIV + 0x8, &ireq)==0) { /* All was fine... */ close(fd); wl_loginfo("Set channel %d on interface %s",channel, device); return 1; } else { /* iocall does not work */ close(fd); wl_logerr("Could not set channel %d on %s, check cardtype",channel, device); return 0; } } /* when it is an hostap card you need another iocall for channel switching */ else if (cardtype == CARD_TYPE_HOSTAP) { int skfd; skfd = socket(AF_INET, SOCK_STREAM, 0); struct iwreq wrq; iw_float2freq((double) channel, &wrq.u.freq); if(iw_set_ext(skfd,(char *) device,SIOCSIWFREQ,&wrq)<0) { wl_logerr("Could not set hostap card %s to channel %d", device, channel); return 0; } else { wl_loginfo("Successfully set hostap card %s to channel %d", device, channel); return 1; } } /* For undefined situations */ return 0; } int card_detect_channels (char * device) { int skfd; skfd = socket(AF_INET, SOCK_STREAM, 0); struct iw_range range; /* Get list of frequencies / channels */ printf ("\n hostap card get the frequencies"); /* Get list of frequencies / channels */ if(iw_get_range_info(skfd, device, &range) < 0) { /* We are failsave if something went wrong, asume only 11 channels */ return 11; } else { if(range.num_frequency > 0) { return range.num_frequency; } else { /* We are failsave asume only 11 channels */ return 11; } } } /* End of card_detect_channels */ int iw_get_range_info(int skfd, const char * ifname, iw_range * range) { struct iwreq wrq2; char buffer[sizeof(iw_range) * 2]; /* Large enough */ /* Cleanup */ memset(buffer, 0, sizeof(buffer)); wrq2.u.data.pointer = (caddr_t) buffer; wrq2.u.data.length = sizeof(buffer); wrq2.u.data.flags = 0; if(iw_get_ext(skfd, (char *)ifname, SIOCGIWRANGE, &wrq2) < 0) { wl_logerr("Could not get the range from the interface"); return(-1); } else { /* Copy stuff at the right place, ignore extra */ memcpy((char *) range, buffer, sizeof(iw_range)); return 0; } } /*------------------------------------------------------------------*/ /* * Convert our internal representation of frequencies to a floating point. */ double iw_freq2float(iw_freq * in) { int i; double res = (double) in->m; for(i = 0; i < in->e; i++) res *= 10; return(res); } void iw_float2freq(double in, iw_freq * out) { /* Version without libm : slower */ out->e = 0; while(in > 1e9) { in /= 10; out->e++; } out->m = (long) in; } |