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-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc32
1 files changed, 30 insertions, 2 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index a512bc5..a57645b 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -1,174 +1,202 @@
1/* 1/*
2 * Set card modes for sniffing 2 * Set card modes for sniffing
3 * 3 *
4 * $Id$ 4 * $Id$
5 */ 5 */
6 6
7#include "cardmode.hh" 7#include "cardmode.hh"
8#include "wl_log.hh" 8#include "wl_log.hh"
9 9
10/* main card into monitor function */ 10/* main card into monitor function */
11int card_into_monitormode (pcap_t **orighandle, const char *device, int cardtype) 11int card_into_monitormode (pcap_t **orighandle, const char *device, int cardtype)
12{ 12{
13 char CiscoRFMON[35] = "/proc/driver/aironet/"; 13 char CiscoRFMON[35] = "/proc/driver/aironet/";
14 FILE *CISCO_CONFIG_FILE; 14 FILE *CISCO_CONFIG_FILE;
15 15
16 /* Checks if we have a device to sniff on */ 16 /* Checks if we have a device to sniff on */
17 if(device == NULL) 17 if(device == NULL)
18 { 18 {
19 wl_logerr("No device given"); 19 wl_logerr("No device given");
20 return 0; 20 return 0;
21 } 21 }
22 22
23 /* Setting the promiscous and up flag to the interface */ 23 /* Setting the promiscous and up flag to the interface */
24 if (!card_set_promisc_up(device)) 24 if (!card_set_promisc_up(device))
25 { 25 {
26 wl_logerr("Cannot set interface to promisc mode"); 26 wl_logerr("Cannot set interface to promisc mode");
27 return 0; 27 return 0;
28 } 28 }
29 wl_loginfo("Interface set to promisc mode"); 29 wl_loginfo("Interface set to promisc mode");
30 30
31 /* Check the cardtype and executes the commands to go into monitor mode */ 31 /* Check the cardtype and executes the commands to go into monitor mode */
32 if (cardtype == CARD_TYPE_CISCO) 32 if (cardtype == CARD_TYPE_CISCO)
33 { 33 {
34 /* bring the sniffer into rfmon mode */ 34 /* bring the sniffer into rfmon mode */
35 snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device); 35 snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device);
36 if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL) 36 if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL)
37 { 37 {
38 wl_logerr("Cannot open config file: %s", strerror(errno)); 38 wl_logerr("Cannot open config file: %s", strerror(errno));
39 return 0; 39 return 0;
40 } 40 }
41 fputs ("Mode: r",CISCO_CONFIG_FILE); 41 fputs ("Mode: r",CISCO_CONFIG_FILE);
42 fputs ("Mode: y",CISCO_CONFIG_FILE); 42 fputs ("Mode: y",CISCO_CONFIG_FILE);
43 fputs ("XmitPower: 1",CISCO_CONFIG_FILE); 43 fputs ("XmitPower: 1",CISCO_CONFIG_FILE);
44 fclose(CISCO_CONFIG_FILE); 44 fclose(CISCO_CONFIG_FILE);
45 } 45 }
46 else if (cardtype == CARD_TYPE_NG) 46 else if (cardtype == CARD_TYPE_NG)
47 { 47 {
48 char wlanngcmd[80]; 48 char wlanngcmd[80];
49 snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, 1); 49 snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, 1);
50 if (system(wlanngcmd) != 0) 50 if (system(wlanngcmd) != 0)
51 { 51 {
52 wl_logerr("Could not set %s in raw mode, check cardtype", device); 52 wl_logerr("Could not set %s in raw mode, check cardtype", device);
53 return 0; 53 return 0;
54 } 54 }
55 } 55 }
56 else if (cardtype == CARD_TYPE_HOSTAP) 56 else if (cardtype == CARD_TYPE_HOSTAP)
57 { 57 {
58#if WIRELESS_EXT > 14 58#if WIRELESS_EXT > 14
59 // IW_MODE_MONITOR was implemented in Wireless Extensions Version 15 59 // IW_MODE_MONITOR was implemented in Wireless Extensions Version 15
60 int skfd; 60 int skfd;
61 skfd = socket(AF_INET, SOCK_STREAM, 0); 61 skfd = socket(AF_INET, SOCK_STREAM, 0);
62 struct iwreq wrq; 62 struct iwreq wrq;
63 wrq.u.mode = IW_MODE_MONITOR; 63 wrq.u.mode = IW_MODE_MONITOR;
64 64
65 if(iw_set_ext(skfd,(char *) device,SIOCSIWMODE,&wrq)<0) 65 if(iw_set_ext(skfd,(char *) device,SIOCSIWMODE,&wrq)<0)
66 { 66 {
67 wl_logerr("Could not set hostap card %s to raw mode, check cardtype", device); 67 wl_logerr("Could not set hostap card %s to raw mode, check cardtype", device);
68 return 0; 68 return 0;
69 } 69 }
70 else 70 else
71 { 71 {
72 wl_loginfo("Successfully set hostap card %s into raw mode",device); 72 wl_loginfo("Successfully set hostap card %s into raw mode",device);
73 return 1; 73 return 1;
74 } 74 }
75 return 1; 75 return 1;
76#else 76#else
77#warning Hi _MAX_, please use a system call for hostap with wireless extensions < 15 77 // Wireless Extensions < Version 15 need iwpriv commandos for monitoring
78 // TODO: Implement switching HOSTAP into monitor mode with system call 78 int fd;
79 //Wireless tools structure for the iocalls
80 struct iwreq ireq;
81 int *ptr;
82 /* Socket needed to use the iocall to */
83 fd = socket(AF_INET, SOCK_STREAM, 0);
84
85 if ( fd == -1 ) {
86 return -1;
87 }
88
89 ptr = (int *) ireq.u.name;
90 // This is the monitor mode for 802.11 non-prism header
91 ptr[0] = 2;
92 strcpy(ireq.ifr_ifrn.ifrn_name, device);
93 if (ioctl( fd, SIOCIWFIRSTPRIV + 4, &ireq)==0)
94 {
95 /* All was fine... */
96 close(fd);
97 wl_loginfo("Set hostap card %s into monitormode",device);
98 return 1;
99 }
100 else
101 {
102 /* iocall does not work */
103 close(fd);
104 wl_logerr("Could not set hostap card %s into monitormode, check cardtype",device);
105 return 0;
106 }
79#endif 107#endif
80 } 108 }
81 else if (cardtype == CARD_TYPE_ORINOCCO ) 109 else if (cardtype == CARD_TYPE_ORINOCCO )
82 { 110 {
83 if (!card_set_channel (device, 1, CARD_TYPE_ORINOCCO)) 111 if (!card_set_channel (device, 1, CARD_TYPE_ORINOCCO))
84 { 112 {
85 wl_logerr("Could not set %s in raw mode, check cardtype", device); 113 wl_logerr("Could not set %s in raw mode, check cardtype", device);
86 return 0; 114 return 0;
87 } 115 }
88 else 116 else
89 { 117 {
90 wl_loginfo("Successfully set %s into raw mode",device); 118 wl_loginfo("Successfully set %s into raw mode",device);
91 } 119 }
92 } 120 }
93 121
94 /* Setting the promiscous and up flag to the interface */ 122 /* Setting the promiscous and up flag to the interface */
95 if (!card_check_rfmon_datalink(device)) 123 if (!card_check_rfmon_datalink(device))
96 { 124 {
97 wl_logerr("Cannot set interface to rfmon mode"); 125 wl_logerr("Cannot set interface to rfmon mode");
98 return 0; 126 return 0;
99 } 127 }
100 else 128 else
101 { 129 {
102 wl_loginfo("Interface set to rfmon mode"); 130 wl_loginfo("Interface set to rfmon mode");
103 } 131 }
104 return 1; 132 return 1;
105} 133}
106 134
107/* Check card is in the rfmon mode */ 135/* Check card is in the rfmon mode */
108int card_check_rfmon_datalink (const char *device) 136int card_check_rfmon_datalink (const char *device)
109{ 137{
110 int datalinktype=0; 138 int datalinktype=0;
111 pcap_t *phandle; 139 pcap_t *phandle;
112 phandle = pcap_open_live((char *)device, 65,0,0,NULL); 140 phandle = pcap_open_live((char *)device, 65,0,0,NULL);
113 datalinktype = pcap_datalink (phandle); 141 datalinktype = pcap_datalink (phandle);
114 pcap_close(phandle); 142 pcap_close(phandle);
115 143
116 if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ 144 if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
117 { 145 {
118 return 0; 146 return 0;
119 } 147 }
120 else 148 else
121 { 149 {
122 wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device); 150 wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device);
123 return 1; 151 return 1;
124 } 152 }
125} 153}
126 154
127/* Set card into promisc mode */ 155/* Set card into promisc mode */
128int card_set_promisc_up (const char *device) 156int card_set_promisc_up (const char *device)
129{ 157{
130 int err; 158 int err;
131 /* First generate a socket to use with iocalls */ 159 /* First generate a socket to use with iocalls */
132 int fd = socket(AF_INET, SOCK_DGRAM, 0); 160 int fd = socket(AF_INET, SOCK_DGRAM, 0);
133 if (fd < 0) 161 if (fd < 0)
134 { 162 {
135 /* In case of an error */ 163 /* In case of an error */
136 perror("socket"); 164 perror("socket");
137 return 0; 165 return 0;
138 } 166 }
139 167
140 /* Fill an empty an interface structure with the right flags (UP and Promsic) */ 168 /* Fill an empty an interface structure with the right flags (UP and Promsic) */
141 struct ifreq ifr; 169 struct ifreq ifr;
142 strncpy(ifr.ifr_name, device,10); 170 strncpy(ifr.ifr_name, device,10);
143 ifr.ifr_flags = IFF_UP + IFF_PROMISC; 171 ifr.ifr_flags = IFF_UP + IFF_PROMISC;
144 err = ioctl(fd, SIOCSIFFLAGS, &ifr); 172 err = ioctl(fd, SIOCSIFFLAGS, &ifr);
145 if (err < 0) 173 if (err < 0)
146 { 174 {
147 perror("Could not access the interface, "); 175 perror("Could not access the interface, ");
148 close(fd); 176 close(fd);
149 return 0; 177 return 0;
150 } 178 }
151 179
152 /* Get the informations back from the interface to check if the flags are correct */ 180 /* Get the informations back from the interface to check if the flags are correct */
153 strncpy(ifr.ifr_name, device,10); 181 strncpy(ifr.ifr_name, device,10);
154 err = ioctl(fd, SIOCGIFFLAGS, &ifr); 182 err = ioctl(fd, SIOCGIFFLAGS, &ifr);
155 if (err < 0) 183 if (err < 0)
156 { 184 {
157 perror("Could not access the interface, "); 185 perror("Could not access the interface, ");
158 close(fd); 186 close(fd);
159 return 0; 187 return 0;
160 } 188 }
161 189
162 if(ifr.ifr_flags && IFF_UP) 190 if(ifr.ifr_flags && IFF_UP)
163 { 191 {
164 close(fd); 192 close(fd);
165 return 1; 193 return 1;
166 } 194 }
167 else 195 else
168 { 196 {
169 wl_logerr("Could not set promisc flag on %d", device); 197 wl_logerr("Could not set promisc flag on %d", device);
170 close(fd); 198 close(fd);
171 return 0; 199 return 0;
172 } 200 }
173} 201}
174 202