centralized processing of assessment information
[strongswan.git] / src / libimcv / imc / imc_msg.c
index 60613d0..788408c 100644 (file)
@@ -17,6 +17,7 @@
 
 #include "ietf/ietf_attr.h"
 #include "ietf/ietf_attr_assess_result.h"
+#include "ietf/ietf_attr_remediation_instr.h"
 
 #include <tncif_names.h>
 
@@ -167,13 +168,38 @@ METHOD(imc_msg_t, send_, TNC_Result,
        return result;
 }
 
+/**
+ * Print a clearly visible assessment header to the log
+ */
+static void print_assessment_header(const char *name, TNC_UInt32 id, bool *first)
+{
+       if (*first)
+       {
+               DBG1(DBG_IMC, "***** assessment of IMC %u \"%s\" *****", id, name);
+               *first = FALSE;
+       }
+}
+
+/**
+ * Print a clearly visible assessment trailer to the log
+ */
+static void print_assessment_trailer(bool first)
+{
+       if (!first)
+       {
+               DBG1(DBG_IMC, "***** end of assessment *****");
+       }
+}
+
 METHOD(imc_msg_t, receive, TNC_Result,
        private_imc_msg_t *this, bool *fatal_error)
 {
+       TNC_UInt32 target_imc_id;
        enumerator_t *enumerator;
        pa_tnc_attr_t *attr;
        pen_type_t attr_type;
        chunk_t msg;
+       bool first = TRUE;
 
        if (this->state->has_long(this->state))
        {
@@ -235,6 +261,10 @@ METHOD(imc_msg_t, receive, TNC_Result,
                        return TNC_RESULT_FATAL;
        }
 
+       /* determine target IMC ID */
+       target_imc_id = (this->dst_id != TNC_IMCID_ANY) ?
+                                        this->dst_id : this->agent->get_id(this->agent);
+
        /* preprocess any received IETF standard error attributes */
        *fatal_error = this->pa_msg->process_ietf_std_errors(this->pa_msg);
 
@@ -244,24 +274,63 @@ METHOD(imc_msg_t, receive, TNC_Result,
        {
                attr_type = attr->get_type(attr);
                
-               if (attr_type.vendor_id == PEN_IETF &&
-                       attr_type.type == IETF_ATTR_ASSESSMENT_RESULT)
+               if (attr_type.vendor_id != PEN_IETF)
+               {
+                       continue;
+               }
+               if (attr_type.type == IETF_ATTR_ASSESSMENT_RESULT)
                {
                        ietf_attr_assess_result_t *attr_cast;
-                       TNC_UInt32 target_imc_id;
                        TNC_IMV_Evaluation_Result result;
 
                        attr_cast = (ietf_attr_assess_result_t*)attr;
                        result =  attr_cast->get_result(attr_cast);
-                       target_imc_id = (this->dst_id != TNC_IMCID_ANY) ?
-                                                        this->dst_id : this->agent->get_id(this->agent); 
                        this->state->set_result(this->state, target_imc_id, result);
 
-                       DBG1(DBG_IMC, "set assessment result for IMC %u to '%N'",
-                                target_imc_id, TNC_IMV_Evaluation_Result_names, result);
+                       print_assessment_header(this->agent->get_name(this->agent),
+                                                                       target_imc_id, &first);
+                       DBG1(DBG_IMC, "assessment result is '%N'",
+                                TNC_IMV_Evaluation_Result_names, result);
+               }
+               else if (attr_type.type == IETF_ATTR_REMEDIATION_INSTRUCTIONS)
+               {
+                       ietf_attr_remediation_instr_t *attr_cast;
+                       pen_type_t parameters_type;
+                       chunk_t parameters, string, lang_code;
+
+                       attr_cast = (ietf_attr_remediation_instr_t*)attr;
+                       parameters_type = attr_cast->get_parameters_type(attr_cast);
+                       parameters = attr_cast->get_parameters(attr_cast);
+
+                       print_assessment_header(this->agent->get_name(this->agent),
+                                                                       target_imc_id, &first);
+                       if (parameters_type.vendor_id == PEN_IETF)
+                       {
+                               switch (parameters_type.type)
+                               {
+                                       case IETF_REMEDIATION_PARAMETERS_URI:
+                                               DBG1(DBG_IMC, "remediation uri: '%.*s'",
+                                                                          parameters.len, parameters.ptr);
+                                               break;
+                                       case IETF_REMEDIATION_PARAMETERS_STRING:
+                                               string = attr_cast->get_string(attr_cast, &lang_code);
+                                               DBG1(DBG_IMC, "remediation string: '%.*s' [%.*s]",
+                                                                          string.len, string.ptr,
+                                                                          lang_code.len, lang_code.ptr);
+                                               break;
+                                       default:
+                                               DBG1(DBG_IMC, "remediation parameters %B", &parameters);
+                               }
+                       }
+                       else
+                       {
+                               DBG1(DBG_IMC, "remediation parameters %B", &parameters);
+                       }
                }
        }
        enumerator->destroy(enumerator);
+
+       print_assessment_trailer(first);
                
        return TNC_RESULT_SUCCESS;
 }