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-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc106
-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh2
2 files changed, 60 insertions, 48 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)
/* Setting the promiscous and up flag to the interface */
if (!card_set_promisc_up(device))
{
- wl_logerr("Cannot set interface to promisc mode: %s", strerror(errno));
+ wl_logerr("Cannot set interface to promisc mode");
return 0;
}
wl_loginfo("Interface set to promisc mode");
@@ -65,69 +65,79 @@ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
}
}
- return 1;
-}
-
-/* Set card into promisc mode */
-int card_set_promisc_up (const char *device)
+ /* Setting the promiscous and up flag to the interface */
+ if (!card_check_rfmon_datalink(device))
{
- struct ifconf ifc;
- struct ifreq ifr_x[50];
- u_int i;
- int sockfd, err;
- err=0;
- /* opening a socket for issuing the iocalls */
- sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
-
- if (sockfd < 0)
+ wl_logerr("Cannot set interface to rfmon mode");
+ return 0;
+ }
+ else
{
- /* In case of an error - mjm proove that please*/
- perror("socket");
+ wl_loginfo("Interface set to rfmon mode");
+ }
return 1;
}
- /* Define room for 50 interfaces */
- ifc.ifc_len = 50 * sizeof(struct ifreq);
- ifc.ifc_req = ifr_x;
- /* Get the config of the interfaces */
- err = ioctl(sockfd, SIOCGIFCONF, &ifc);
- if (err == -1) return 1;
- /* For each interface*/
- for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++)
+/* Check card is in the rfmon mode */
+int card_check_rfmon_datalink (char *device)
{
- /* To complete , should get the IP, if no is assigned, asign one */
- /*err = ioctl(sockfd, SIOCGIFADDR, &ifr_x[i]);
- if (err == -1) perror("SIOCGIFADDR: ");
- printf ("Address: %s\n",Sock_ntop_host(ifr_x[i].ifr_addr.sa_family,sizeof(ifr_x[i].ifr_addr.sa_family)));
- */
- if(strncmp(ifr_x[i].ifr_name,device,5) == 0)
+ int datalinktype=0;
+ pcap_t *phandle;
+ phandle = pcap_open_live(device, 65,0,0,NULL);
+ datalinktype = pcap_datalink (phandle);
+
+ if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
{
- /* Get the flags */
- err = ioctl(sockfd, SIOCGIFFLAGS, &ifr_x[i]);
- if (err == -1)
+ return 0;
+ }
+ else
{
- perror("SIOCGIFFLAGS: ");
+ wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device);
return 1;
}
- /* Check if the Interface is UP and PROMISC */
- if (ifr_x[i].ifr_flags & IFF_PROMISC && ifr_x[i].ifr_flags & IFF_UP)
- {
- /* only debug text */
- printf ("%s is PROMISC and UP \n",ifr_x[i].ifr_name);
}
- else
+
+/* Set card into promisc mode */
+int card_set_promisc_up (const char *device)
{
- /* Set the promisc flag to the interface */
- ifr_x[i].ifr_flags=ifr_x[i].ifr_flags+IFF_PROMISC;
- err = ioctl(sockfd, SIOCSIFFLAGS, &ifr_x[i]);
- if (err == -1)
+ int err;
+ /* First generate a socket to use with iocalls */
+ int fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd < 0)
{
- /* Could not set the interface into promisc mode */
- perror("SIOCSIFFLAGS: ");
+ /* 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, ");
+ return 0;
}
+
+ /* Get the informations back from the interface to check if the flags are correct */
+ strncpy(ifr.ifr_name, device,10);
+ ioctl(fd, SIOCGIFFLAGS, &ifr);
+ if (err < 0)
+ {
+ perror("Could not access the interface, ");
+ return 0;
}
+
+ if(ifr.ifr_flags && IFF_UP)
+ {
+ printf("%s is ok\n", device);
+ return 1;
}
- /* All is fine */
+ else
+ {
+ printf("%s flags could not be set", device);
return 0;
}
+}
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 @@
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
+#include <arpa/inet.h>
#include <sys/ioctl.h>
#include <linux/if.h>
@@ -35,6 +36,7 @@ extern "C"
#define IWPRIV_PATH "/sbin/iwpriv"
/* Prototypes */
+int card_check_rfmon_datalink (char *device);
int card_into_monitormode (pcap_t **, char *, int);
int card_set_promisc_up (const char *);