| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | 14 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh | 1 |
2 files changed, 11 insertions, 4 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc index 9e0a772..29dcc75 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc @@ -1,210 +1,216 @@ /* * 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, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, 1); if (system(wlanngcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_HOSTAP) { wl_logerr("Got a host-ap card, nothing is implemented now"); char hostapcmd[250]; snprintf(hostapcmd, sizeof(hostapcmd) -1, "$(which iwpriv) %s monitor 2 %d", device,1); if (system(hostapcmd) !=0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_ORINOCCO || cardtype == CARD_TYPE_HOSTAP) { 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 (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, "); + close(fd); 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, "); + close(fd); return 0; } if(ifr.ifr_flags && IFF_UP) { - printf("%s is ok\n", device); + close(fd); return 1; } else { - printf("%s flags could not be set", device); + 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) { /* Cisco cards don't need channelswitching */ return 1; } /* If it is a lucent orinocco card */ else if (cardtype == CARD_TYPE_ORINOCCO || cardtype == CARD_TYPE_HOSTAP) { 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); + close(fd); wl_loginfo("Set channel %d on interface %s",channel, device); return 1; } else - { /* iocall does not work */ + { + /* iocall does not work */ + close(fd); wl_logerr("Could not set channel %d on %s, check cardtype",channel, device); return 0; } } else if (cardtype == CARD_TYPE_NG) { char wlanngcmd[62]; snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, channel); if (system(wlanngcmd) != 0) { wl_logerr("Could not set channel %d on %s, check cardtype",channel, device); return 0; } } /* For undefined situations */ return 0; } diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh index 242d8c5..4a95956 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh @@ -1,47 +1,48 @@ /* $Id$ */ #ifndef CARDMODE_HH #define CARDMODE_HH #include <string.h> #include <stdlib.h> #include <errno.h> #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/ioctl.h> +#include <unistd.h> #include <linux/if.h> #include <linux/wireless.h> #ifndef SIOCIWFIRSTPRIV #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE #endif extern "C" { #include <net/bpf.h> #include <pcap.h> } /* Defines, used for the card setup */ #define DEFAULT_PATH "/proc/driver/aironet/%s/Config" #define CISCO_STATUS "/proc/driver/aironet/%s/Status" #define CARD_TYPE_CISCO 1 #define CARD_TYPE_NG 2 #define CARD_TYPE_HOSTAP 3 #define CARD_TYPE_ORINOCCO 4 /* only for now, until we have the daemon running */ /*the config file should provide these information */ #define CARD_TYPE CARD_TYPE_HOSTAP /* Prototypes */ int card_check_rfmon_datalink (char *device); int card_into_monitormode (pcap_t **, char *, int); int card_set_promisc_up (const char *); int card_set_channel (const char *device, int channel,int cardtype); #endif /* CARDMODE_HH */ |