release/src/router/rc/bwclimon.c

   1 #include <shared.h>
   2 #include "rc.h"
   3
   4 void start_bwclimon(void) {
   5
   6         char *nvp, *nv, *b;
   7 //      const char *ipaddr, *hostname;
   8
   9         nvp = nv = strdup(nvram_safe_get("bwm_client"));
  10         if (!nv) return;
  11
  12 // clear rules first
  13         stop_bwclimon();
  14
  15         eval("iptables", "-N", "traffic_in");
  16         eval("iptables", "-N", "traffic_out");
  17         eval("iptables", "-I", "FORWARD", "1", "-j", "traffic_in");
  18         eval("iptables", "-I", "FORWARD", "2", "-j", "traffic_out");
  19
  20 //      while ((b = strsep(&nvp, ">")) != NULL) {
  21                 /*
  22                         * previously:
  23                         ip.ad.dr.ess<hostname>other.ip.addr.ess<anotherhost>
  24                         currently, only the IP address is used
  25                 */
  26
  27 //              if ((vstrsep(b, "<", &ipaddr, &hostname)) != 2) continue;
  28
  29 //              eval("iptables", "-A", "traffic_in",  "-d", (char *)ipaddr);
  30 //              eval("iptables", "-A", "traffic_out", "-s", (char *)ipaddr);
  31
  32                 /*
  33                         * currently:
  34                         ip.ad.dr.ess,other.ip.addr.ess,another.ip.addr.ess
  35                 */
  36
  37         while ((b = strsep(&nvp, ",")) != NULL) {
  38                 if (strlen(b) > INET_ADDRSTRLEN)
  39                         continue;
  40                 eval("iptables", "-A", "traffic_in",  "-d", (char *)b);
  41                 eval("iptables", "-A", "traffic_out", "-s", (char *)b);
  42         }
  43         free(nv);
  44 }
  45
  46 void stop_bwclimon(void) {
  47
  48         eval("iptables", "-D", "FORWARD", "-j", "traffic_in");
  49         eval("iptables", "-D", "FORWARD", "-j", "traffic_out");
  50
  51         eval("iptables", "-F", "traffic_in");
  52         eval("iptables", "-F", "traffic_out");
  53
  54         eval("iptables", "-X", "traffic_in");
  55         eval("iptables", "-X", "traffic_out");
  56 }
  57