/**
* Parses request line.
*
* @param[in] connp
* @returns HTP_OK on state change, HTP_ERROR on error, or HTP_DATA when more data is needed.
*/
htp_status_t htp_connp_REQ_LINE(htp_connp_t *connp) {
for (;;) {
// Get one byte
IN_COPY_BYTE_OR_RETURN(connp);
// Have we reached the end of the line?
if (connp->in_next_byte == LF) {
unsigned char *data;
size_t len;
htp_connp_req_consolidate_data(connp, &data, &len);
#ifdef HTP_DEBUG
fprint_raw_data(stderr, __FUNCTION__, data, len);
#endif
// Is this a line that should be ignored?
if (htp_connp_is_line_ignorable(connp, data, len)) {
// We have an empty/whitespace line, which we'll note, ignore and move on.
connp->in_tx->request_ignored_lines++;
// TODO How many empty lines are we willing to accept?
htp_connp_req_clear_buffer(connp);
return HTP_OK;
}
// Process request line.
htp_chomp(data, &len);
connp->in_tx->request_line = bstr_dup_mem(data, len);
if (connp->in_tx->request_line == NULL) return HTP_ERROR;
if (connp->cfg->parse_request_line(connp) != HTP_OK) return HTP_ERROR;
// Finalize request line parsing.
if (htp_tx_state_request_line(connp->in_tx) != HTP_OK) return HTP_ERROR;
htp_connp_req_clear_buffer(connp);
return HTP_OK;
}
}
return HTP_ERROR;
}
/**
* Parse the request line.
*
* @param[in] connp
* @returns HTP_OK on succesful parse, HTP_ERROR on error.
*/
htp_status_t htp_connp_REQ_LINE_complete(htp_connp_t *connp) {
unsigned char *data;
size_t len;
if (htp_connp_req_consolidate_data(connp, &data, &len) != HTP_OK) {
return HTP_ERROR;
}
#ifdef HTP_DEBUG
fprint_raw_data(stderr, __FUNCTION__, data, len);
#endif
// Is this a line that should be ignored?
if (htp_connp_is_line_ignorable(connp, data, len)) {
// We have an empty/whitespace line, which we'll note, ignore and move on.
connp->in_tx->request_ignored_lines++;
htp_connp_req_clear_buffer(connp);
return HTP_OK;
}
// Process request line.
htp_chomp(data, &len);
connp->in_tx->request_line = bstr_dup_mem(data, len);
if (connp->in_tx->request_line == NULL)
return HTP_ERROR;
if (connp->cfg->parse_request_line(connp) != HTP_OK)
return HTP_ERROR;
// Finalize request line parsing.
if (htp_tx_state_request_line(connp->in_tx) != HTP_OK)
return HTP_ERROR;
htp_connp_req_clear_buffer(connp);
return HTP_OK;
}
