/**
* eap_peer_tls_data_reassemble - Reassemble TLS data
* @data: Data for TLS processing
* @in_data: Next incoming TLS segment
* @need_more_input: Variable for returning whether more input data is needed
* to reassemble this TLS packet
* Returns: Pointer to output data, %NULL on error or when more data is needed
* for the full message (in which case, *need_more_input is also set to 1).
*
* This function reassembles TLS fragments. Caller must not free the returned
* data buffer since an internal pointer to it is maintained.
*/
static const struct wpabuf * eap_peer_tls_data_reassemble(
struct eap_ssl_data *data, const struct wpabuf *in_data,
int *need_more_input)
{
*need_more_input = 0;
if (data->tls_in_left > wpabuf_len(in_data) || data->tls_in) {
/* Message has fragments */
int res = eap_peer_tls_reassemble_fragment(data, in_data);
if (res) {
if (res == 1)
*need_more_input = 1;
return NULL;
}
/* Message is now fully reassembled. */
} else {
/* No fragments in this message, so just make a copy of it. */
data->tls_in_left = 0;
data->tls_in = wpabuf_dup(in_data);
if (data->tls_in == NULL)
return NULL;
}
return data->tls_in;
}
/**
* eap_peer_tls_data_reassemble - Reassemble TLS data
* @data: Data for TLS processing
* @in_data: Next incoming TLS segment
* @in_len: Length of in_data
* @out_len: Variable for returning length of the reassembled message
* @need_more_input: Variable for returning whether more input data is needed
* to reassemble this TLS packet
* Returns: Pointer to output data, %NULL on error or when more data is needed
* for the full message (in which case, *need_more_input is also set to 1).
*
* This function reassembles TLS fragments. Caller must not free the returned
* data buffer since an internal pointer to it is maintained.
*/
const u8 * eap_peer_tls_data_reassemble(
struct eap_ssl_data *data, const u8 *in_data, size_t in_len,
size_t *out_len, int *need_more_input)
{
*need_more_input = 0;
if (data->tls_in_left > in_len || data->tls_in) {
/* Message has fragments */
int res = eap_peer_tls_reassemble_fragment(data, in_data,
in_len);
if (res) {
if (res == 1)
*need_more_input = 1;
return NULL;
}
/* Message is now fully reassembled. */
} else {
/* No fragments in this message, so just make a copy of it. */
data->tls_in_left = 0;
data->tls_in = os_malloc(in_len ? in_len : 1);
if (data->tls_in == NULL)
return NULL;
os_memcpy(data->tls_in, in_data, in_len);
data->tls_in_len = in_len;
}
*out_len = data->tls_in_len;
return data->tls_in;
}
