promisc.c

   1 #include <string.h>
   2 #include <sys/socket.h>
   3 #include <linux/if.h>
   4
   5 #include "promisc.h"
   6 #include "dev.h"
   7
   8 short enter_promiscuous_mode(char *ifname)
   9 {
  10         short ifflags;
  11
  12         if (!strncmp("any", ifname, strlen("any")))
  13                 return 0;
  14
  15         ifflags = device_get_flags(ifname);
  16         device_set_flags(ifname, ifflags | IFF_PROMISC);
  17
  18         return ifflags;
  19 }
  20
  21 void leave_promiscuous_mode(char *ifname, short oldflags)
  22 {
  23         if (!strncmp("any", ifname, strlen("any")))
  24                 return;
  25
  26         device_set_flags(ifname, oldflags);
  27 }