X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/2f5b811429a2690c2ce44d09cc571c3230420c1b..b3eeda4574fbd640f78389322effc82fb791a477:/autosnoop.c?ds=sidebyside diff --git a/autosnoop.c b/autosnoop.c index 7bacfa9..570c147 100644 --- a/autosnoop.c +++ b/autosnoop.c @@ -4,38 +4,72 @@ /* set up intercept based on RADIUS reply */ -char const *cvs_id = "$Id: autosnoop.c,v 1.9 2004-11-29 02:17:17 bodea Exp $"; +char const *cvs_id = "$Id: autosnoop.c,v 1.12 2005-10-11 09:04:53 bodea Exp $"; int plugin_api_version = PLUGIN_API_VERSION; -struct pluginfuncs *p; +static struct pluginfuncs *f = 0; int plugin_radius_response(struct param_radius_response *data) { - if (strcmp(data->key, "intercept") == 0) + if (!strcmp(data->key, "intercept")) + { + char *p; + data->s->snoop_ip = 0; + data->s->snoop_port = 0; + if ((p = strchr(data->value, ':'))) { - char *x; + *p++ = 0; + if (*data->value) + data->s->snoop_ip = inet_addr(data->value); + + if (data->s->snoop_ip == INADDR_NONE) data->s->snoop_ip = 0; - data->s->snoop_port = 0; - if ((x = strchr(data->value, ':'))) - { - *x++ = 0; - if (*data->value) data->s->snoop_ip = inet_addr(data->value); - if (data->s->snoop_ip == INADDR_NONE) data->s->snoop_ip = 0; - if (*x) data->s->snoop_port = atoi(x); - p->log(3, p->get_id_by_session(data->s), data->s->tunnel, - " Intercepting user to %s:%d\n", - p->fmtaddr(data->s->snoop_ip, 0), data->s->snoop_port); - } - else - { - p->log(3, p->get_id_by_session(data->s), data->s->tunnel, - " Not Intercepting user (reply string should be intercept=ip:port)\n"); - } + + if (*p) + data->s->snoop_port = atoi(p); + + f->log(3, f->get_id_by_session(data->s), data->s->tunnel, + " Intercepting user to %s:%d\n", + f->fmtaddr(data->s->snoop_ip, 0), data->s->snoop_port); + } + else + { + f->log(3, f->get_id_by_session(data->s), data->s->tunnel, + " Not Intercepting user (reply string should" + " be intercept=ip:port)\n"); } + } + return PLUGIN_RET_OK; } +int plugin_radius_reset(struct param_radius_reset *data) +{ + data->s->snoop_ip = 0; + data->s->snoop_port = 0; + return PLUGIN_RET_OK; +} + +int plugin_radius_account(struct param_radius_account *data) +{ + if (data->s->snoop_ip && data->s->snoop_port) + { + uint8_t *p = *data->packet; + + *p = 26; // vendor-specific + *(uint32_t *) (p + 2) = htonl(9); // Cisco + p[6] = 1; // Cisco-AVPair + p[7] = 2 + sprintf((char *) p + 8, "intercept=%s:%d", + f->fmtaddr(data->s->snoop_ip, 0), data->s->snoop_port); + + p[1] = p[7] + 6; + *data->packet += p[1]; + } + + return PLUGIN_RET_OK; +} + int plugin_init(struct pluginfuncs *funcs) { - return ((p = funcs)) ? 1 : 0; + return ((f = funcs)) ? 1 : 0; }