author | max <max> | 2003-03-04 14:04:52 (UTC) |
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committer | max <max> | 2003-03-04 14:04:52 (UTC) |
commit | 3adca473d5440b00e15781627e00465350e9118b (patch) (side-by-side diff) | |
tree | e60e57f10c8297eee39f9e31974f9199013c4930 /noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | |
parent | 7cf53b4030437bdbd405b8b16684ba9f68e2891d (diff) | |
download | opie-3adca473d5440b00e15781627e00465350e9118b.zip opie-3adca473d5440b00e15781627e00465350e9118b.tar.gz opie-3adca473d5440b00e15781627e00465350e9118b.tar.bz2 |
start_sniff
Diffstat (limited to 'noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | 59 |
1 files changed, 47 insertions, 12 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc index 7c9fbc4..4f187c0 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc @@ -1,23 +1,23 @@ /* * Set card modes for sniffing * * $Id$ */ #include "cardmode.hh" #include "wl_log.hh" - +pcap_t *handletopcap; /* main card into monitor function */ -int card_into_monitormode (pcap_t **orighandle, const char *device, int cardtype) +int card_into_monitormode (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 */ @@ -143,24 +143,69 @@ int card_check_rfmon_datalink (const char *device) 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; } } +/* Ipaq running familiar does not have a loopback device, we need one */ +int check_loopback() +{ + /* Checking for a loopback interface with 127.0.0.1, otherwise the other stuff seems to fail on + familiar linux on ipaq's */ + 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 */ + wl_logerr("check_loopback, generation of a socket failed, cannot continue"); + return 0; + } + /* Fill an empty an interface structure with the right flags (UP and Promsic) */ + struct ifreq ifr; + strncpy(ifr.ifr_name, "lo",3); + + /* Get the interface flags, loopback interfaces can be detected that way */ + err = ioctl(fd, SIOCGIFFLAGS, &ifr); + if (err < 0) + { + wl_logerr("check_loopback, could not get the flags of lo, check if you got a lo loopback interface, cannot continue"); + close(fd); + return 0; + } + /* Checking the flags for IFF_LOOPBACK flags */ + if(ifr.ifr_flags && IFF_LOOPBACK) + { + /* Yes, we do have a loopback interface....sup! */ + close(fd); + wl_loginfo ("check_loopback, check for loopback interface lo successful"); + return 1; + } + else + { + wl_logerr("check_loopback, did not found an interface lo with the IFF_LOOPBACK flag set, cannot continue"); + close(fd); + return 0; + } + /* Should never be reached */ + return 0; +} /*check_loopback */ + + /* 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; } @@ -206,34 +251,24 @@ int card_remove_promisc (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 flags from the interface*/ strncpy(ifr.ifr_name, device,10); err = ioctl(fd, SIOCGIFFLAGS, &ifr); if (err < 0) { perror("Could not access the interface, "); close(fd); return 0; } /* Remove the IFF_PROMISC flag */ ifr.ifr_flags = ifr.ifr_flags - IFF_PROMISC; /*Set the new flags to the interface*/ |