- added verify function to all payload types

[strongswan.git] / Source / charon / payloads / ke_payload.c

diff --git a/Source/charon/payloads/ke_payload.c b/Source/charon/payloads/ke_payload.c
index cfbd536..624727a 100644 (file)
--- a/Source/charon/payloads/ke_payload.c
+++ b/Source/charon/payloads/ke_payload.c
@@ -111,6 +111,36 @@ encoding_rule_t ke_payload_encodings[] = {
        { KEY_EXCHANGE_DATA,    offsetof(private_ke_payload_t, key_exchange_data)       }
 };
 
+/*
+                           1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      ! Next Payload  !C!  RESERVED   !         Payload Length        !
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      !          DH Group #           !           RESERVED            !
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      !                                                               !
+      ~                       Key Exchange Data                       ~
+      !                                                               !
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+
+/**
+ * Implements payload_t's verify function.
+ * See #payload_s.verify for description.
+ */
+static status_t verify(private_ke_payload_t *this)
+{
+       if (this->critical)
+       {
+               /* critical bit is set! */
+               return FAILED;
+       }
+       
+       /* dh group is not verified in here */
+       return SUCCESS;
+}
+
 /**
  * Implements payload_t's and ke_payload_t's destroy function.
  * See #payload_s.destroy or ke_payload_s.destroy for description.
@@ -259,6 +289,7 @@ ke_payload_t *ke_payload_create()
                return NULL;    
        }       
        /* interface functions */
+       this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
        this->public.payload_interface.get_encoding_rules = (status_t (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules;
        this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length;
        this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type;