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merge in changes from 2.0 branch; fix byte counters in accounting records, add gigawords
[l2tpns.git] / autothrottle.c
diff --git a/autothrottle.c b/autothrottle.c
index d28c7cb..1a37809 100644 (file)
--- a/autothrottle.c
+++ b/autothrottle.c
@@ -4,7 +4,16 @@
 
 /* set up throttling based on RADIUS reply */
 
 
 /* set up throttling based on RADIUS reply */
 
-char const *cvs_id = "$Id: autothrottle.c,v 1.11 2004/11/30 00:46:36 bodea Exp $";
+/*
+ * lcp:interface-config#1=service-policy input N
+ * lcp:interface-config#2=service-policy output N
+ *
+ * throttle=N
+ * throttle=yes (use throttle_rate from config)
+ * throttle=no
+ */
+
+char const *cvs_id = "$Id: autothrottle.c,v 1.14 2005/05/13 05:28:16 bodea Exp $";
 
 int plugin_api_version = PLUGIN_API_VERSION;
 struct pluginfuncs *p;
 
 int plugin_api_version = PLUGIN_API_VERSION;
 struct pluginfuncs *p;
@@ -13,102 +22,91 @@ struct pluginfuncs *p;
 
 int plugin_radius_response(struct param_radius_response *data)
 {
 
 int plugin_radius_response(struct param_radius_response *data)
 {
-       char *t;
-       int i = 0;
-       int rate;
-
-       if (strncmp(data->key, THROTTLE_KEY, sizeof(THROTTLE_KEY) - 1) == 0)
+       if (!strncmp(data->key, THROTTLE_KEY, sizeof(THROTTLE_KEY) - 1))
        {
        {
-               char *pt;
+               char *sp = strchr(data->value, ' ');
+               char type;
+               int rate;
 
 
-               if (strncmp(data->value, "serv", 4))
+               if (!sp || sp - data->value < 4 ||
+                   strncmp("service-policy", data->value, sp - data->value))
                        return PLUGIN_RET_OK;
 
                        return PLUGIN_RET_OK;
 
-               pt = strdup(data->value);
-               while ((t = strsep(&pt, " ")) != NULL)
+               while (*sp == ' ') sp++;
+               data->value = sp;
+
+               if (!(sp = strchr(data->value, ' ')) ||
+                   (strncmp("input", data->value, sp - data->value) &&
+                   strncmp("output", data->value, sp - data->value)))
                {
                {
-                       if (strcmp(t, "serv") == 0)
-                               i = 1;
-                       else if (strcmp(t, "o") == 0 && i == 1)
-                               i = 3;
-                       else if (strcmp(t, "i") == 0 && i == 1)
-                               i = 2;
-                       else if (i > 1 )
-                       {
-                               if ((rate = strtol(t, (char **)NULL, 10)) < 0 )
-                               {
-                                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                                                "Syntax Error: rate is not a number %s\n", t);
-                                       free(pt);
-                                       return PLUGIN_RET_OK;
-                               }
-
-                               switch (i)
-                               {
-                                       case 2: // output
-                                               data->s->throttle_out = rate;
-                                               free(pt);
-                                               p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                                                       "      Set output throttle rate %dkb/s\n", rate);
-
-                                               return PLUGIN_RET_OK;
-
-                                       case 3: //input
-                                               data->s->throttle_in = rate;
-                                               free(pt);
-                                               p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                                                       "      Set input throttle rate %dkb/s\n", rate);
-
-                                               return PLUGIN_RET_OK;
-
-                                       default:
-                                               p->log(1, p->get_id_by_session(data->s), data->s->tunnel,
-                                                       "Syntax error in rate limit AV pair: %s=%s\n", data->key, data->value);
-
-                                               free(pt);
-                                               return PLUGIN_RET_OK;
-                               }
-                       }
+                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+                               "         Not throttling user (invalid type %.*s)\n",
+                               sp - data->value, data->value);
+
+                       return PLUGIN_RET_OK;
+               }
+
+               type = *data->value;
+
+               while (*sp == ' ') sp++;
+               data->value = sp;
+
+               if ((rate = strtol(data->value, &sp, 10)) < 0 || *sp)
+               {
+                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+                               "         Not throttling user (invalid rate %s)\n",
+                               data->value);
+
+                       return PLUGIN_RET_OK;
                }
 
                }
 
-               p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                       "Unknown lcp:interface-config AV pair %s=%s\n",data->key, data->value);
-               free(pt);
-               return PLUGIN_RET_OK;
-       } 
-       else if (strcmp(data->key, "throttle") == 0)
+               if (type == 'i')
+               {
+                       data->s->throttle_in = rate;
+                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+                               "         Throttling user input to %dkb/s\n",
+                               rate);
+               }
+               else
+               {
+                       data->s->throttle_out = rate;
+                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+                               "         Throttling user output to %dkb/s\n",
+                               rate);
+               }
+       }
+
+       if (!strcmp(data->key, "throttle"))
        {
        {
-               if (strcmp(data->value, "yes") == 0)
+               char *e;
+               int rate;
+
+               if ((rate = strtol(data->value, &e, 10)) < 0 || *e)
                {
                {
-                       unsigned long *rate = p->getconfig("throttle_speed", UNSIGNED_LONG);
-                       if (rate)
+                       rate = -1;
+                       if (!strcmp(data->value, "yes"))
                        {
                        {
-                               if (*rate)
-                                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                                               "         Throttling user to %dkb/s\n", *rate);
-                               else
-                                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
-                                               "         Not throttling user (throttle_speed=0)\n");
-
-                               data->s->throttle_in = data->s->throttle_out = *rate;
+                               unsigned long *ts = p->getconfig("throttle_speed", UNSIGNED_LONG);
+                               if (ts)
+                                       rate = *ts;
                        }
                        }
-                       else
-                               p->log(1, p->get_id_by_session(data->s), data->s->tunnel,
-                                       "Not throttling user (can't get throttle_speed)\n");
+                       else if (!strcmp(data->value, "no"))
+                               rate = 0;
                }
                }
-               else if (strcmp(data->value, "no") == 0)
-               {
+
+               if (rate < 0)
+                       return PLUGIN_RET_OK;
+
+               if (rate)
+                       p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+                               "         Throttling user to %dkb/s\n", rate);
+               else
                        p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
                                "         Not throttling user\n");
 
                        p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
                                "         Not throttling user\n");
 
-                       data->s->throttle_in = data->s->throttle_out = 0;
-               }
+               data->s->throttle_in = data->s->throttle_out = rate;
        }
 
        }
 
-       p->log(4, p->get_id_by_session(data->s), data->s->tunnel,
-               "autothrottle module ignoring AV pair %s=%s\n",
-               data->key, data->value);
-
        return PLUGIN_RET_OK;
 }
 
        return PLUGIN_RET_OK;
 }
 
for cloning use: "git clone git://git.sameswireless.fr/l2tpns.git" ; For add to your sources.list: "deb http://package.sameswifi.fr/ jessie main"