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authormax <max>2003-02-07 03:23:16 (UTC)
committer max <max>2003-02-07 03:23:16 (UTC)
commit2e7e176817b5d162b054f97ed6650e659730f4ae (patch) (unidiff)
tree6b64a6ab7cbef944a564eabe6f63d8ac89eafefc
parent9062b40d50264bc479ee0425778c552ef20ee304 (diff)
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Flags and datalink
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc122
-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh2
2 files changed, 68 insertions, 56 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index def1a4b..1add34c 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -23,7 +23,7 @@ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
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: %s", strerror(errno)); 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");
@@ -64,70 +64,80 @@ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
64 return 0; 64 return 0;
65 } 65 }
66 } 66 }
67 67
68 /* Setting the promiscous and up flag to the interface */
69 if (!card_check_rfmon_datalink(device))
70 {
71 wl_logerr("Cannot set interface to rfmon mode");
72 return 0;
73 }
74 else
75 {
76 wl_loginfo("Interface set to rfmon mode");
77 }
68 return 1; 78 return 1;
69} 79}
70 80
81/* Check card is in the rfmon mode */
82int card_check_rfmon_datalink (char *device)
83{
84 int datalinktype=0;
85 pcap_t *phandle;
86 phandle = pcap_open_live(device, 65,0,0,NULL);
87 datalinktype = pcap_datalink (phandle);
88
89 if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
90 {
91 return 0;
92 }
93 else
94 {
95 wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device);
96 return 1;
97 }
98}
99
71/* Set card into promisc mode */ 100/* Set card into promisc mode */
72int card_set_promisc_up (const char *device) 101int card_set_promisc_up (const char *device)
73{ 102{
74 struct ifconf ifc; 103 int err;
75 struct ifreq ifr_x[50]; 104 /* First generate a socket to use with iocalls */
76 u_int i; 105 int fd = socket(AF_INET, SOCK_DGRAM, 0);
77 int sockfd, err; 106 if (fd < 0)
78 err=0;
79 /* opening a socket for issuing the iocalls */
80 sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
81
82 if (sockfd < 0)
83 { 107 {
84 /* In case of an error - mjm proove that please*/ 108 /* In case of an error */
85 perror("socket"); 109 perror("socket");
86 return 1; 110 return 0;
111 }
112
113 /* Fill an empty an interface structure with the right flags (UP and Promsic) */
114 struct ifreq ifr;
115 strncpy(ifr.ifr_name, device,10);
116 ifr.ifr_flags = IFF_UP + IFF_PROMISC;
117 err = ioctl(fd, SIOCSIFFLAGS, &ifr);
118 if (err < 0)
119 {
120 perror("Could not access the interface, ");
121 return 0;
87 } 122 }
88 /* Define room for 50 interfaces */
89 ifc.ifc_len = 50 * sizeof(struct ifreq);
90 ifc.ifc_req = ifr_x;
91 /* Get the config of the interfaces */
92 err = ioctl(sockfd, SIOCGIFCONF, &ifc);
93 if (err == -1) return 1;
94 123
95 /* For each interface*/ 124 /* Get the informations back from the interface to check if the flags are correct */
96 for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++) 125 strncpy(ifr.ifr_name, device,10);
97 { 126 ioctl(fd, SIOCGIFFLAGS, &ifr);
98 /* To complete , should get the IP, if no is assigned, asign one */ 127 if (err < 0)
99 /*err = ioctl(sockfd, SIOCGIFADDR, &ifr_x[i]); 128 {
100 if (err == -1) perror("SIOCGIFADDR: "); 129 perror("Could not access the interface, ");
101 printf ("Address: %s\n",Sock_ntop_host(ifr_x[i].ifr_addr.sa_family,sizeof(ifr_x[i].ifr_addr.sa_family)));
102 */
103 if(strncmp(ifr_x[i].ifr_name,device,5) == 0)
104 {
105 /* Get the flags */
106 err = ioctl(sockfd, SIOCGIFFLAGS, &ifr_x[i]);
107 if (err == -1)
108 {
109 perror("SIOCGIFFLAGS: ");
110 return 1;
111 }
112 /* Check if the Interface is UP and PROMISC */
113 if (ifr_x[i].ifr_flags & IFF_PROMISC && ifr_x[i].ifr_flags & IFF_UP)
114 {
115 /* only debug text */
116 printf ("%s is PROMISC and UP \n",ifr_x[i].ifr_name);
117 }
118 else
119 {
120 /* Set the promisc flag to the interface */
121 ifr_x[i].ifr_flags=ifr_x[i].ifr_flags+IFF_PROMISC;
122 err = ioctl(sockfd, SIOCSIFFLAGS, &ifr_x[i]);
123 if (err == -1)
124 {
125 /* Could not set the interface into promisc mode */
126 perror("SIOCSIFFLAGS: ");
127 }
128 }
129 }
130 }
131 /* All is fine */
132 return 0; 130 return 0;
131 }
132
133 if(ifr.ifr_flags && IFF_UP)
134 {
135 printf("%s is ok\n", device);
136 return 1;
137 }
138 else
139 {
140 printf("%s flags could not be set", device);
141 return 0;
142 }
133} 143}
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
index 7750fb6..babb109 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
@@ -10,6 +10,7 @@
10#include <sys/time.h> 10#include <sys/time.h>
11#include <sys/socket.h> 11#include <sys/socket.h>
12#include <netinet/in.h> 12#include <netinet/in.h>
13#include <arpa/inet.h>
13#include <sys/ioctl.h> 14#include <sys/ioctl.h>
14#include <linux/if.h> 15#include <linux/if.h>
15 16
@@ -35,6 +36,7 @@ extern "C"
35 #define IWPRIV_PATH "/sbin/iwpriv" 36 #define IWPRIV_PATH "/sbin/iwpriv"
36 37
37/* Prototypes */ 38/* Prototypes */
39int card_check_rfmon_datalink (char *device);
38int card_into_monitormode (pcap_t **, char *, int); 40int card_into_monitormode (pcap_t **, char *, int);
39int card_set_promisc_up (const char *); 41int card_set_promisc_up (const char *);
40 42