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
@@ -1,81 +1,133 @@
 /* 
  * Set card modes for sniffing
  *
  * $Id$
  */
 
 #include "cardmode.hh"
 #include "wl_log.hh"
 
 /* main card into monitor function */
 int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
 {
   char CiscoRFMON[35] = "/proc/driver/aironet/";
   FILE *CISCO_CONFIG_FILE;
 
   /* Checks if we have a device to sniff on */
   if(device == NULL)
   {
       wl_logerr("No device given");
       return 0;
   }
   
   /* 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));
     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_CISCO	1
 #define   CARD_TYPE_NG	        2
 #define   CARD_TYPE_HOSTAP	3
 
 /* 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 */