Diffstat (limited to 'noncore/net/wellenreiter/daemon') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/Makefile | 5 | ||||
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/cardmode.cc | 89 | ||||
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/cardmode.hh | 36 | ||||
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/sniffer.cc | 95 | ||||
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/sniffer.hh | 13 |
5 files changed, 137 insertions, 101 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/Makefile b/noncore/net/wellenreiter/daemon/source/Makefile index f6efa3d..bcbc799 100644 --- a/noncore/net/wellenreiter/daemon/source/Makefile +++ b/noncore/net/wellenreiter/daemon/source/Makefile | |||
@@ -20,6 +20,11 @@ wellenreiterd: $(OBJ) | |||
20 | $(CPP) $(OPTIMFLAGS) $(WARNFLAGS) $(OBJ) $(LDFLAGS) $(LIBS) -o $@ | 20 | $(CPP) $(OPTIMFLAGS) $(WARNFLAGS) $(OBJ) $(LDFLAGS) $(LIBS) -o $@ |
21 | @echo Build wellenreiterd | 21 | @echo Build wellenreiterd |
22 | 22 | ||
23 | sniffer: sniffer.o cardmode.o | ||
24 | $(CPP) $(OPTIMFLAGS) $(WARNFLAGS) sniffer.o cardmode.o $(LDFLAGS) $(LIBS) -o $@ | ||
25 | @echo Build sniffer | ||
26 | |||
27 | |||
23 | clean distclean realclean: | 28 | clean distclean realclean: |
24 | @rm -rf wellenreiterd *~ *.o | 29 | @rm -rf wellenreiterd *~ *.o |
25 | @echo All dependent files have been removed. | 30 | @echo All dependent files have been removed. |
diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.cc b/noncore/net/wellenreiter/daemon/source/cardmode.cc new file mode 100644 index 0000000..ae32af4 --- a/dev/null +++ b/noncore/net/wellenreiter/daemon/source/cardmode.cc | |||
@@ -0,0 +1,89 @@ | |||
1 | /* $Id$ */ | ||
2 | |||
3 | #include "cardmode.hh" | ||
4 | |||
5 | int card_into_monitormode (char *device, int cardtype) | ||
6 | { | ||
7 | |||
8 | int datalink; /* used for getting the pcap datalink type */ | ||
9 | char CiscoRFMON[35] = "/proc/driver/aironet/"; | ||
10 | FILE *CISCO_CONFIG_FILE; | ||
11 | char errbuf[PCAP_ERRBUF_SIZE]; | ||
12 | pcap_t *handle; | ||
13 | |||
14 | /* Checks if we have a device to sniff on */ | ||
15 | if(device == NULL) | ||
16 | { | ||
17 | printf ("Fatal error i did not have any interfaces to sniff on\n"); | ||
18 | return 0; | ||
19 | } | ||
20 | |||
21 | /* Setting the prmiscous and up flag to the interface */ | ||
22 | if (card_set_promisc_up (device) == 0) | ||
23 | { | ||
24 | printf ("Interface flags correctly set using ifconfig\n"); | ||
25 | } | ||
26 | |||
27 | /* Check the cardtype and executes the commands to go into monitor mode */ | ||
28 | if (cardtype == CARD_TYPE_CISCO) /* I got a cisco card */ | ||
29 | { | ||
30 | /* bring the sniffer into rfmon mode */ | ||
31 | snprintf(CiscoRFMON, sizeof(CiscoRFMON),DEFAULT_PATH, device); | ||
32 | CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w"); | ||
33 | fputs ("Mode: r",CISCO_CONFIG_FILE); | ||
34 | fputs ("Mode: y",CISCO_CONFIG_FILE); | ||
35 | fputs ("XmitPower: 1",CISCO_CONFIG_FILE); | ||
36 | fclose(CISCO_CONFIG_FILE); | ||
37 | } | ||
38 | else if (cardtype == CARD_TYPE_NG) | ||
39 | { | ||
40 | char wlanngcmd[62]; | ||
41 | snprintf(wlanngcmd, sizeof(wlanngcmd),"%s %s lnxreq_wlansniff channel=1 enable=true",WLANCTL_PATH,device); | ||
42 | if (system (wlanngcmd) != 0) | ||
43 | { | ||
44 | printf ("\n Fatal error could not set %s in raw mode, check cardtype\n",device); | ||
45 | return 0; | ||
46 | } | ||
47 | } | ||
48 | else if (cardtype == CARD_TYPE_HOSTAP) | ||
49 | { | ||
50 | printf ("Got a host-ap card, nothing is implemented now\n"); | ||
51 | } | ||
52 | |||
53 | |||
54 | /* Check the interface if it is in the correct raw mode */ | ||
55 | handle = pcap_open_live(device, BUFSIZ, 1, 0, errbuf); | ||
56 | |||
57 | /* getting the datalink type */ | ||
58 | datalink = pcap_datalink(handle); | ||
59 | |||
60 | if (datalink == DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ | ||
61 | { | ||
62 | printf ("Your successfully listen on %s in 802.11 raw mode\n",device); | ||
63 | pcap_close(handle); | ||
64 | return 0; | ||
65 | |||
66 | } | ||
67 | else | ||
68 | { | ||
69 | printf ("Fatal error, cannot continue, your interface %s does not work in the correct 802.11 raw mode, check you driver please\n",device); | ||
70 | pcap_close(handle); | ||
71 | return 0; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | |||
76 | |||
77 | int card_set_promisc_up (char * device) | ||
78 | { | ||
79 | int ret; | ||
80 | char ifconfigcmd[32]; | ||
81 | snprintf(ifconfigcmd,sizeof(ifconfigcmd),SBIN_PATH, device); | ||
82 | ret = system (ifconfigcmd); | ||
83 | if (ret > 0) | ||
84 | { | ||
85 | printf ("\nFatal error, could not execute %s please check your card,binary location and permission\n",ifconfigcmd); | ||
86 | return 0; | ||
87 | } | ||
88 | return 1; | ||
89 | } | ||
diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.hh b/noncore/net/wellenreiter/daemon/source/cardmode.hh new file mode 100644 index 0000000..87284a1 --- a/dev/null +++ b/noncore/net/wellenreiter/daemon/source/cardmode.hh | |||
@@ -0,0 +1,36 @@ | |||
1 | /* $Id$ */ | ||
2 | |||
3 | #ifndef CARDMODE_HH | ||
4 | #define CARDMODE_HH | ||
5 | |||
6 | #include <string.h> | ||
7 | #include <stdio.h> | ||
8 | #include <stdlib.h> | ||
9 | #include <pcap.h> | ||
10 | #include <errno.h> | ||
11 | #include <sys/socket.h> | ||
12 | #include <netinet/in.h> | ||
13 | #include <arpa/inet.h> | ||
14 | #include <net/bpf.h> | ||
15 | |||
16 | #endif /* CARDMODE_HH */ | ||
17 | |||
18 | /* Defines, used for the card setup */ | ||
19 | #define DEFAULT_PATH "/proc/driver/aironet/%s/Config" | ||
20 | #define CARD_TYPE_CISCO1 | ||
21 | #define CARD_TYPE_NG2 | ||
22 | #define CARD_TYPE_HOSTAP3 | ||
23 | |||
24 | /* only for now, until we have the daemon running */ | ||
25 | /*the config file should provide these information */ | ||
26 | #define SNIFFER_DEVICE "wlan0" | ||
27 | #define CARD_TYPE CARD_TYPE_CISCO | ||
28 | #define SBIN_PATH"/sbin/ifconfig %s promisc up" | ||
29 | #define WLANCTL_PATH "/sbin/wlanctl-ng" | ||
30 | |||
31 | /* Prototypes */ | ||
32 | |||
33 | int card_into_monitormode (char * device, int cardtype); | ||
34 | int card_set_promisc_up (char * device); | ||
35 | |||
36 | |||
diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.cc b/noncore/net/wellenreiter/daemon/source/sniffer.cc index c837505..65c8579 100644 --- a/noncore/net/wellenreiter/daemon/source/sniffer.cc +++ b/noncore/net/wellenreiter/daemon/source/sniffer.cc | |||
@@ -7,11 +7,12 @@ | |||
7 | */ | 7 | */ |
8 | 8 | ||
9 | #include "config.hh" | 9 | #include "config.hh" |
10 | #include "cardmode.hh" | ||
10 | #include "sniffer.hh" | 11 | #include "sniffer.hh" |
11 | #include "ieee802_11.hh" | 12 | #include "ieee802_11.hh" |
12 | #include "extract.hh" | 13 | #include "extract.hh" |
13 | 14 | ||
14 | int sniffer(void) | 15 | int main(void) |
15 | { | 16 | { |
16 | if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0) | 17 | if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0) |
17 | return 0; | 18 | return 0; |
@@ -20,90 +21,6 @@ int sniffer(void) | |||
20 | return 1; | 21 | return 1; |
21 | } | 22 | } |
22 | 23 | ||
23 | int card_into_monitormode (char *device, int cardtype) | ||
24 | { | ||
25 | |||
26 | int datalink; /* used for getting the pcap datalink type */ | ||
27 | char CiscoRFMON[35] = "/proc/driver/aironet/"; | ||
28 | FILE *CISCO_CONFIG_FILE; | ||
29 | char errbuf[PCAP_ERRBUF_SIZE]; | ||
30 | pcap_t *handle; | ||
31 | |||
32 | /* Checks if we have a device to sniff on */ | ||
33 | if(device == NULL) | ||
34 | { | ||
35 | printf ("Fatal error i did not have any interfaces to sniff on\n"); | ||
36 | return 0; | ||
37 | } | ||
38 | |||
39 | /* Setting the prmiscous and up flag to the interface */ | ||
40 | if (card_set_promisc_up (device) == 0) | ||
41 | { | ||
42 | printf ("Interface flags correctly set using ifconfig\n"); | ||
43 | } | ||
44 | |||
45 | /* Check the cardtype and executes the commands to go into monitor mode */ | ||
46 | if (cardtype == CARD_TYPE_CISCO) /* I got a cisco card */ | ||
47 | { | ||
48 | /* bring the sniffer into rfmon mode */ | ||
49 | snprintf(CiscoRFMON, sizeof(CiscoRFMON),DEFAULT_PATH, device); | ||
50 | CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w"); | ||
51 | fputs ("Mode: r",CISCO_CONFIG_FILE); | ||
52 | fputs ("Mode: y",CISCO_CONFIG_FILE); | ||
53 | fputs ("XmitPower: 1",CISCO_CONFIG_FILE); | ||
54 | fclose(CISCO_CONFIG_FILE); | ||
55 | } | ||
56 | else if (cardtype == CARD_TYPE_NG) | ||
57 | { | ||
58 | char wlanngcmd[62]; | ||
59 | snprintf(wlanngcmd, sizeof(wlanngcmd),"%s %s lnxreq_wlansniff channel=1 enable=true",WLANCTL_PATH,device); | ||
60 | if (system (wlanngcmd) != 0) | ||
61 | { | ||
62 | printf ("\n Fatal error could not set %s in raw mode, check cardtype\n",device); | ||
63 | return 0; | ||
64 | } | ||
65 | } | ||
66 | else if (cardtype == CARD_TYPE_HOSTAP) | ||
67 | { | ||
68 | printf ("Got a host-ap card, nothing is implemented now\n"); | ||
69 | } | ||
70 | |||
71 | |||
72 | /* Check the interface if it is in the correct raw mode */ | ||
73 | handle = pcap_open_live(device, BUFSIZ, 1, 0, errbuf); | ||
74 | |||
75 | /* getting the datalink type */ | ||
76 | datalink = pcap_datalink(handle); | ||
77 | |||
78 | if (datalink == DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ | ||
79 | { | ||
80 | printf ("Your successfully listen on %s in 802.11 raw mode\n",device); | ||
81 | pcap_close(handle); | ||
82 | return 0; | ||
83 | |||
84 | } | ||
85 | else | ||
86 | { | ||
87 | printf ("Fatal error, cannot continue, your interface %s does not work in the correct 802.11 raw mode, check you driver please\n",device); | ||
88 | pcap_close(handle); | ||
89 | return 0; | ||
90 | } | ||
91 | } | ||
92 | |||
93 | int card_set_promisc_up (char * device) | ||
94 | { | ||
95 | int ret; | ||
96 | char ifconfigcmd[32]; | ||
97 | snprintf(ifconfigcmd,sizeof(ifconfigcmd),SBIN_PATH, device); | ||
98 | ret = system (ifconfigcmd); | ||
99 | if (ret > 0) | ||
100 | { | ||
101 | printf ("\nFatal error, could not execute %s please check your card,binary location and permission\n",ifconfigcmd); | ||
102 | return 0; | ||
103 | } | ||
104 | return 1; | ||
105 | } | ||
106 | |||
107 | int start_sniffing (char * device) | 24 | int start_sniffing (char * device) |
108 | { | 25 | { |
109 | 26 | ||
@@ -113,11 +30,9 @@ int start_sniffing (char * device) | |||
113 | /* opening the pcap for sniffing */ | 30 | /* opening the pcap for sniffing */ |
114 | handletopcap = pcap_open_live(device, BUFSIZ, 1, 1000, errbuf); | 31 | handletopcap = pcap_open_live(device, BUFSIZ, 1, 1000, errbuf); |
115 | 32 | ||
116 | /* Next few lines a taken out of kismet */ | ||
117 | #ifdef HAVE_PCAP_NONBLOCK | 33 | #ifdef HAVE_PCAP_NONBLOCK |
118 | pcap_setnonblock(handletopcap, 1, errstr); | 34 | pcap_setnonblock(handletopcap, 1, errstr); |
119 | #endif | 35 | #endif |
120 | |||
121 | /*start scanning */ | 36 | /*start scanning */ |
122 | pcap_loop(handletopcap,-1,process_packets,NULL); | 37 | pcap_loop(handletopcap,-1,process_packets,NULL); |
123 | 38 | ||
@@ -139,6 +54,7 @@ void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_ch | |||
139 | 54 | ||
140 | pinfoptr->isvalid = 0; | 55 | pinfoptr->isvalid = 0; |
141 | pinfoptr->pktlen = pkthdr->len; | 56 | pinfoptr->pktlen = pkthdr->len; |
57 | |||
142 | if (caplen < IEEE802_11_FC_LEN) | 58 | if (caplen < IEEE802_11_FC_LEN) |
143 | { | 59 | { |
144 | /* This is a garbage packet, because is does not long enough | 60 | /* This is a garbage packet, because is does not long enough |
@@ -182,6 +98,7 @@ void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_ch | |||
182 | case ST_BEACON: | 98 | case ST_BEACON: |
183 | if (handle_beacon(fc, packet,pinfoptr) ==0) | 99 | if (handle_beacon(fc, packet,pinfoptr) ==0) |
184 | { | 100 | { |
101 | printf ("\n\tOn network : %s",pinfoptr->ssid); | ||
185 | if (!strcmp(pinfoptr->desthwaddr,"ff:ff:ff:ff:ff:ff") == 0) | 102 | if (!strcmp(pinfoptr->desthwaddr,"ff:ff:ff:ff:ff:ff") == 0) |
186 | { | 103 | { |
187 | /* Every beacon must have the broadcast as destination | 104 | /* Every beacon must have the broadcast as destination |
@@ -189,6 +106,7 @@ void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_ch | |||
189 | pinfoptr->isvalid = 0; | 106 | pinfoptr->isvalid = 0; |
190 | return; | 107 | return; |
191 | } | 108 | } |
109 | |||
192 | if (pinfoptr->cap_ESS == pinfoptr->cap_IBSS) | 110 | if (pinfoptr->cap_ESS == pinfoptr->cap_IBSS) |
193 | { | 111 | { |
194 | /* Only one of both are possible, so must be | 112 | /* Only one of both are possible, so must be |
@@ -328,6 +246,7 @@ int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo) | |||
328 | ppinfo->ssid_len = pbody.ssid.length; | 246 | ppinfo->ssid_len = pbody.ssid.length; |
329 | } | 247 | } |
330 | break; | 248 | break; |
249 | |||
331 | case E_CHALLENGE: | 250 | case E_CHALLENGE: |
332 | memcpy(&(pbody.challenge),p+offset,2); offset += 2; | 251 | memcpy(&(pbody.challenge),p+offset,2); offset += 2; |
333 | if (pbody.challenge.length > 0) | 252 | if (pbody.challenge.length > 0) |
@@ -364,7 +283,7 @@ int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo) | |||
364 | break; | 283 | break; |
365 | } /* end of switch*/ | 284 | } /* end of switch*/ |
366 | } /* end of for loop */ | 285 | } /* end of for loop */ |
367 | return 1; | 286 | return 0; |
368 | 287 | ||
369 | } /* End of handle_beacon */ | 288 | } /* End of handle_beacon */ |
370 | 289 | ||
diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.hh b/noncore/net/wellenreiter/daemon/source/sniffer.hh index 7f45be6..d262353 100644 --- a/noncore/net/wellenreiter/daemon/source/sniffer.hh +++ b/noncore/net/wellenreiter/daemon/source/sniffer.hh | |||
@@ -13,19 +13,9 @@ | |||
13 | #include <arpa/inet.h> | 13 | #include <arpa/inet.h> |
14 | #include <net/bpf.h> | 14 | #include <net/bpf.h> |
15 | 15 | ||
16 | #define DEFAULT_PATH "/proc/driver/aironet/%s/Config" | ||
17 | #define CARD_TYPE_CISCO1 | ||
18 | #define CARD_TYPE_NG2 | ||
19 | #define CARD_TYPE_HOSTAP3 | ||
20 | 16 | ||
21 | #define NONBROADCASTING "non-broadcasting" | 17 | #define NONBROADCASTING "non-broadcasting" |
22 | 18 | ||
23 | /* only for now, until we have the daemon running */ | ||
24 | /*the config file should provide these information */ | ||
25 | #define SNIFFER_DEVICE "wlan0" | ||
26 | #define CARD_TYPE CARD_TYPE_CISCO | ||
27 | #define SBIN_PATH"/sbin/ifconfig %s promisc up" | ||
28 | #define WLANCTL_PATH "/sbin/wlanctl-ng" | ||
29 | 19 | ||
30 | /* holds all the interresting data */ | 20 | /* holds all the interresting data */ |
31 | struct packetinfo | 21 | struct packetinfo |
@@ -48,10 +38,7 @@ struct packetinfo | |||
48 | 38 | ||
49 | 39 | ||
50 | /* Prototypes */ | 40 | /* Prototypes */ |
51 | |||
52 | int sniffer(void); | 41 | int sniffer(void); |
53 | int card_into_monitormode (char * device, int cardtype); | ||
54 | int card_set_promisc_up (char * device); | ||
55 | int start_sniffing (char * device); | 42 | int start_sniffing (char * device); |
56 | void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet); | 43 | void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet); |
57 | int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo); | 44 | int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo); |