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 | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc new file mode 100644 index 0000000..62c2940 --- a/dev/null +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | |||
@@ -0,0 +1,97 @@ | |||
1 | /* | ||
2 | * Set card modes for sniffing | ||
3 | * | ||
4 | * $Id$ | ||
5 | */ | ||
6 | |||
7 | #include "cardmode.hh" | ||
8 | |||
9 | /* main card into monitor function */ | ||
10 | int card_into_monitormode (void *orighandle, char *device, int cardtype) | ||
11 | { | ||
12 | int datalink; /* used for getting the pcap datalink type */ | ||
13 | char CiscoRFMON[35] = "/proc/driver/aironet/"; | ||
14 | FILE *CISCO_CONFIG_FILE; | ||
15 | char errbuf[PCAP_ERRBUF_SIZE]; | ||
16 | pcap_t *handle; | ||
17 | |||
18 | handle = (pcap_t *)orighandle; | ||
19 | |||
20 | /* Checks if we have a device to sniff on */ | ||
21 | if(device == NULL) | ||
22 | { | ||
23 | wl_logerr("No device given"); | ||
24 | return 0; | ||
25 | } | ||
26 | |||
27 | /* Setting the prmiscous and up flag to the interface */ | ||
28 | if (!card_set_promisc_up(device)) | ||
29 | { | ||
30 | wl_logerr("Cannot set interface to promisc mode: %s", strerror(errno)); | ||
31 | return 0; | ||
32 | } | ||
33 | wl_loginfo("Interface set to promisc mode"); | ||
34 | |||
35 | /* Check the cardtype and executes the commands to go into monitor mode */ | ||
36 | if (cardtype == CARD_TYPE_CISCO) | ||
37 | { | ||
38 | /* bring the sniffer into rfmon mode */ | ||
39 | snprintf(CiscoRFMON, sizeof(CiscoRFMON), DEFAULT_PATH, device); | ||
40 | if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL) | ||
41 | { | ||
42 | wl_logerr("Cannot open config file: %s", strerror(errno)); | ||
43 | return 0; | ||
44 | } | ||
45 | fputs ("Mode: r",CISCO_CONFIG_FILE); | ||
46 | fputs ("Mode: y",CISCO_CONFIG_FILE); | ||
47 | fputs ("XmitPower: 1",CISCO_CONFIG_FILE); | ||
48 | fclose(CISCO_CONFIG_FILE); | ||
49 | } | ||
50 | else if (cardtype == CARD_TYPE_NG) | ||
51 | { | ||
52 | char wlanngcmd[62]; | ||
53 | snprintf(wlanngcmd, sizeof(wlanngcmd), "%s %s lnxreq_wlansniff channel=1 enable=true", WLANCTL_PATH, device); | ||
54 | if (system(wlanngcmd) != 0) | ||
55 | { | ||
56 | wl_logerr("Could not set %s in raw mode, check cardtype", device); | ||
57 | return 0; | ||
58 | } | ||
59 | } | ||
60 | else if (cardtype == CARD_TYPE_HOSTAP) | ||
61 | { | ||
62 | wl_logerr("Got a host-ap card, nothing is implemented now"); | ||
63 | } | ||
64 | |||
65 | /* Check the interface if it is in the correct raw mode */ | ||
66 | if((handle = pcap_open_live(device, BUFSIZ, 1, 0, errbuf)) == NULL) | ||
67 | { | ||
68 | wl_logerr("pcap_open_live() failed: %s", strerror(errno)); | ||
69 | return 0; | ||
70 | } | ||
71 | |||
72 | #ifdef HAVE_PCAP_NONBLOCK | ||
73 | pcap_setnonblock(handle, 1, errstr); | ||
74 | #endif | ||
75 | |||
76 | /* getting the datalink type */ | ||
77 | datalink = pcap_datalink(handle); | ||
78 | |||
79 | if (datalink != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ | ||
80 | { | ||
81 | wl_loginfo("Interface %s does not work in the correct 802.11 raw mode", device); | ||
82 | pcap_close(handle); | ||
83 | return 0; | ||
84 | } | ||
85 | wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device); | ||
86 | |||
87 | return 1; | ||
88 | } | ||
89 | |||
90 | /* Set card into promisc mode */ | ||
91 | int card_set_promisc_up (const char *device) | ||
92 | { | ||
93 | char ifconfigcmd[32]; | ||
94 | snprintf(ifconfigcmd, sizeof(ifconfigcmd), SBIN_PATH, device); | ||
95 | |||
96 | return (system(ifconfigcmd) ? 1 : 0); | ||
97 | } | ||