110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
#include <string.h>
|
|
#include "l2tpns.h"
|
|
#include "plugin.h"
|
|
|
|
/* set up throttling based on RADIUS reply */
|
|
|
|
char const *cvs_id = "$Id: autothrottle.c,v 1.10 2004-11-29 02:17:17 bodea Exp $";
|
|
|
|
int plugin_api_version = PLUGIN_API_VERSION;
|
|
struct pluginfuncs *p;
|
|
|
|
#define THROTTLE_KEY "lcp:interface-config"
|
|
|
|
int plugin_radius_response(struct param_radius_response *data)
|
|
{
|
|
char *t;
|
|
int i = 0;
|
|
int rate;
|
|
|
|
if (strncmp(data->key, THROTTLE_KEY, strlen(THROTTLE_KEY)) == 0)
|
|
{
|
|
char *pt = strdup(data->value);
|
|
while ((t = strsep(&pt, " ")) != NULL)
|
|
{
|
|
if (strcmp(t, "serv") == 0)
|
|
i = 1;
|
|
else if (strcmp(t, "o") && i == 1)
|
|
i = 2;
|
|
else if (strcmp(t, "i") && i == 1)
|
|
i = 3;
|
|
else if (i > 1 && (rate = atoi(t)) > 0)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
free(pt);
|
|
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);
|
|
|
|
return PLUGIN_RET_OK;
|
|
}
|
|
}
|
|
free(pt);
|
|
}
|
|
else if (strcmp(data->key, "throttle") == 0)
|
|
{
|
|
if (strcmp(data->value, "yes") == 0)
|
|
{
|
|
unsigned long *rate = p->getconfig("throttle_speed", UNSIGNED_LONG);
|
|
if (rate)
|
|
{
|
|
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;
|
|
}
|
|
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") == 0)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
int plugin_init(struct pluginfuncs *funcs)
|
|
{
|
|
return ((p = funcs)) ? 1 : 0;
|
|
}
|