promiscous flag

2 files changed, 62 insertions, 7 deletions

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index d462488..def1a4b 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -26,56 +26,108 @@ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
     wl_logerr("Cannot set interface to promisc mode: %s", strerror(errno));
     return 0;
   } 
   wl_loginfo("Interface set to promisc mode");
   
   /* Check the cardtype and executes the commands to go into monitor mode */
   if (cardtype == CARD_TYPE_CISCO)
   {
       /* bring the sniffer into rfmon  mode */
       snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device);
       if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL)
       {
           wl_logerr("Cannot open config file: %s", strerror(errno));
           return 0;
       }
       fputs ("Mode: r",CISCO_CONFIG_FILE);
       fputs ("Mode: y",CISCO_CONFIG_FILE);
       fputs ("XmitPower: 1",CISCO_CONFIG_FILE);
       fclose(CISCO_CONFIG_FILE);
   }
   else if (cardtype == CARD_TYPE_NG)
   {
       char wlanngcmd[62];
       snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "%s %s lnxreq_wlansniff channel=1 enable=true", WLANCTL_PATH, device);
       if (system(wlanngcmd) != 0)
       {
           wl_logerr("Could not set %s in raw mode, check cardtype", device);
           return 0;
       }
   }
   else if (cardtype == CARD_TYPE_HOSTAP)
   {
       wl_logerr("Got a host-ap card, nothing is implemented now");
      char hostapcmd[250];
      snprintf(hostapcmd, sizeof(hostapcmd) -1, "%s %s monitor 2", IWPRIV_PATH, device);
      if (system(hostapcmd) !=0)
      {
          wl_logerr("Could not set %s in raw mode, check cardtype", device);
         return 0;
      }
   }
    
   return 1;
 }
 
 /* Set card into promisc mode */
 int card_set_promisc_up (const char *device)
 {
-  char ifconfigcmd[48];
-  int retval=0;
-
-  snprintf(ifconfigcmd, sizeof(ifconfigcmd) - 1, SBIN_PATH, device);
-  retval = system(ifconfigcmd);
-
-  return (retval ? 0 : 1);
+    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) 
+    {
+            /* In case of an error  - mjm proove that please*/
+        perror("socket");
+                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++) 
+        {
+                /* 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)
+                {
+                        /* Get the flags */
+                        err = ioctl(sockfd, SIOCGIFFLAGS, &ifr_x[i]);
+                if (err == -1) 
+                {
+                        perror("SIOCGIFFLAGS: ");
+                        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 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) 
+                                {
+                                        /* Could not set the interface into promisc mode */
+                                        perror("SIOCSIFFLAGS: ");
+                                }
+                        }
+                }
+      }
+        /* All is fine */
+        return 0;
 }
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
index 9721b39..7678202 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh
@@ -1,37 +1,40 @@
 /* $Id$ */
 
 #ifndef CARDMODE_HH
 #define CARDMODE_HH
 
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <linux/if.h>
+
 
 extern "C"
 {
 #include <net/bpf.h>
 #include <pcap.h>  
 }
 
 /* Defines, used for the card setup */
 #define   DEFAULT_PATH       "/proc/driver/aironet/%s/Config"
         #define   CARD_TYPE_CISCO1
         #define   CARD_TYPE_NG        2
         #define   CARD_TYPE_HOSTAP3
 
 /* only for now, until we have the daemon running */
 /*the config file should provide these information */
 #define   CARD_TYPE              CARD_TYPE_HOSTAP
         #define   SBIN_PATH         "/sbin/ifconfig %s promisc up"
 #define   WLANCTL_PATH           "/sbin/wlanctl-ng"
         #define   IWPRIV_PATH    "/sbin/iwpriv"
 
 /* Prototypes */
 int card_into_monitormode (pcap_t **, char *, int);
 int card_set_promisc_up (const char *);
 
 #endif /* CARDMODE_HH */