Support RADIUS messages up to 4096 bytes, RADIUS EAP-Message fragmentation
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@ -117,22 +117,26 @@ static bool radius2ike(private_eap_radius_t *this,
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{
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enumerator_t *enumerator;
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eap_payload_t *payload;
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chunk_t data;
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chunk_t data, message = chunk_empty;
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int type;
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enumerator = msg->create_enumerator(msg);
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while (enumerator->enumerate(enumerator, &type, &data))
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{
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if (type == RAT_EAP_MESSAGE)
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if (type == RAT_EAP_MESSAGE && data.len)
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{
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*out = payload = eap_payload_create_data(data);
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/* apply EAP method selected by RADIUS server */
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this->type = payload->get_type(payload, &this->vendor);
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enumerator->destroy(enumerator);
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return TRUE;
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message = chunk_cat("mc", message, data);
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}
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}
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enumerator->destroy(enumerator);
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if (message.len)
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{
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*out = payload = eap_payload_create_data(message);
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free(message.ptr);
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/* apply EAP method selected by RADIUS server */
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this->type = payload->get_type(payload, &this->vendor);
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return TRUE;
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}
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return FALSE;
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}
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@ -180,10 +184,18 @@ static status_t process(private_eap_radius_t *this,
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{
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radius_message_t *request, *response;
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status_t status = FAILED;
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chunk_t data;
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request = radius_message_create_request();
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request->add(request, RAT_USER_NAME, this->peer->get_encoding(this->peer));
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request->add(request, RAT_EAP_MESSAGE, in->get_data(in));
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data = in->get_data(in);
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/* fragment data suitable for RADIUS (not more than 253 bytes) */
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while (data.len > 253)
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{
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request->add(request, RAT_EAP_MESSAGE, chunk_create(data.ptr, 253));
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data = chunk_skip(data, 253);
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}
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request->add(request, RAT_EAP_MESSAGE, data);
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response = this->client->request(this->client, request);
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if (response)
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@ -295,7 +295,7 @@ static radius_message_t* request(private_radius_client_t *this,
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radius_message_t *response;
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bool retransmit = FALSE;
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struct timeval tv;
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char buf[1024];
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char buf[4096];
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fd_set fds;
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int res;
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@ -269,6 +269,7 @@ static void add(private_radius_message_t *this, radius_attribute_type_t type,
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{
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rattr_t *attribute;
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data.len = min(data.len, 253);
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this->msg = realloc(this->msg,
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ntohs(this->msg->length) + sizeof(rattr_t) + data.len);
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attribute = ((void*)this->msg) + ntohs(this->msg->length);
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