Added ndpi_guess_undetected_protocol_v4() to restore logic that

was removed in https://github.com/ntop/nDPI/commit/032e778a6dc1ee2173c4cdb2c671180c5b5df245

1 files changed, 21 insertions, 0 deletions

diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h
index 70d9021d2..9c2188e68 100644
--- a/src/include/ndpi_api.h
+++ b/src/include/ndpi_api.h
@@ -433,6 +433,27 @@ extern "C" {
   ndpi_protocol ndpi_guess_undetected_protocol(struct ndpi_detection_module_struct *ndpi_struct,
 					       struct ndpi_flow_struct *flow,
 					       u_int8_t proto);
+
+  /**
+   * Superset of ndpi_guess_undetected_protocol with additional IPv4 guess based on host/port
+   *
+   * @par    ndpi_struct  = the detection module
+   * @par    flow         = the flow we're trying to guess, NULL if not available
+   * @par    proto        = the l4 protocol number
+   * @par    shost        = source address in host byte order
+   * @par    sport        = source port number
+   * @par    dhost        = destination address in host byte order
+   * @par    dport        = destination port number
+   * @return the struct ndpi_protocol that match the port base protocol
+   *
+   */
+  ndpi_protocol ndpi_guess_undetected_protocol_v4(struct ndpi_detection_module_struct *ndpi_struct,
+						  struct ndpi_flow_struct *flow,
+						  u_int8_t proto,
+						  u_int32_t shost,
+						  u_int16_t sport,
+						  u_int32_t dhost,
+						  u_int16_t dport);
   /**
    * Check if the string passed match with a protocol
    *