86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
#include <string.h>
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#include "l2tpns.h"
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#include "plugin.h"
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/* set up throttling based on RADIUS reply */
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char const *cvs_id = "$Id: autothrottle.c,v 1.7 2004-11-05 04:55:26 bodea Exp $";
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int __plugin_api_version = 1;
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struct pluginfuncs *p;
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#define THROTTLE_KEY "lcp:interface-config"
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int plugin_radius_response(struct param_radius_response *data)
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{
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char *t;
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int i = 0;
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int rate;
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if (strncmp(data->key, THROTTLE_KEY, strlen(THROTTLE_KEY)) == 0)
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{
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char *pt = strdup(data->value);
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while ((t = strsep(&pt, " ")) != NULL)
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{
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if (strcmp(t, "serv") == 0)
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i = 1;
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else if (strcmp(t, "o") && i == 1)
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i = 2;
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else if (strcmp(t, "i") && i == 1)
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i = 3;
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else if (i > 1 && (rate = atoi(t)) > 0)
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{
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switch (i)
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{
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case 2: // output
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data->s->throttle_out = rate;
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free(pt);
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p->log(3, 0, p->get_id_by_session(data->s), data->s->tunnel, " Set output throttle rate %dkb/s\n", rate);
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return PLUGIN_RET_OK;
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case 3: //input
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data->s->throttle_in = rate;
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free(pt);
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p->log(3, 0, p->get_id_by_session(data->s), data->s->tunnel, " Set input throttle rate %dkb/s\n", rate);
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return PLUGIN_RET_OK;
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default:
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p->log(1, 0, p->get_id_by_session(data->s), data->s->tunnel, "Syntax error in rate limit AV pair: %s=%s\n", data->key, data->value);
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free(pt);
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return PLUGIN_RET_OK;
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}
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}
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else
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{
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free(pt);
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p->log(1, 0, p->get_id_by_session(data->s), data->s->tunnel, "Syntax error in rate limit AV pair: %s=%s\n",
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data->key, data->value);
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return PLUGIN_RET_OK;
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}
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}
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free(pt);
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}
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else if (strcmp(data->key, "throttle") == 0)
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{
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if (strcmp(data->value, "yes") == 0)
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{
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p->log(3, 0, p->get_id_by_session(data->s), data->s->tunnel, " Throttling user\n");
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data->s->throttle_in = data->s->throttle_out = config->rl_rate;
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}
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else if (strcmp(data->value, "no") == 0)
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{
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p->log(3, 0, p->get_id_by_session(data->s), data->s->tunnel, " Not throttling user\n");
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data->s->throttle_in = data->s->throttle_out = 0;
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}
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}
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p->log(4, 0, p->get_id_by_session(data->s), data->s->tunnel, "autothrottle module ignoring AV pair %s=%s\n",
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data->key, data->value);
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return PLUGIN_RET_OK;
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}
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int plugin_init(struct pluginfuncs *funcs)
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{
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return ((p = funcs)) ? 1 : 0;
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}
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