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Diffstat (limited to 'src/libpts/plugins/imv_attestation/imv_attestation_state.c')
-rw-r--r--src/libpts/plugins/imv_attestation/imv_attestation_state.c164
1 files changed, 95 insertions, 69 deletions
diff --git a/src/libpts/plugins/imv_attestation/imv_attestation_state.c b/src/libpts/plugins/imv_attestation/imv_attestation_state.c
index 1dbc88309..93da9aee5 100644
--- a/src/libpts/plugins/imv_attestation/imv_attestation_state.c
+++ b/src/libpts/plugins/imv_attestation/imv_attestation_state.c
@@ -17,9 +17,11 @@
#include <libpts.h>
-#include <utils/lexparser.h>
-#include <utils/linked_list.h>
-#include <debug.h>
+#include <imv/imv_lang_string.h>
+#include "imv/imv_reason_string.h"
+
+#include <collections/linked_list.h>
+#include <utils/debug.h>
typedef struct private_imv_attestation_state_t private_imv_attestation_state_t;
typedef struct file_meas_request_t file_meas_request_t;
@@ -44,7 +46,7 @@ struct private_imv_attestation_state_t {
* TNCCS connection state
*/
TNC_ConnectionState state;
-
+
/**
* Does the TNCCS connection support long message types?
*/
@@ -96,9 +98,14 @@ struct private_imv_attestation_state_t {
pts_t *pts;
/**
- * Measurement error
+ * Measurement error flags
+ */
+ u_int32_t measurement_error;
+
+ /**
+ * TNC Reason String
*/
- bool measurement_error;
+ imv_reason_string_t *reason_string;
};
@@ -128,26 +135,47 @@ static void free_func_comp(func_comp_t *this)
free(this);
}
-typedef struct entry_t entry_t;
-
/**
- * Define an internal reason string entry
+ * Supported languages
*/
-struct entry_t {
- char *lang;
- char *string;
-};
+static char* languages[] = { "en", "de", "mn" };
/**
- * Table of multi-lingual reason string entries
+ * Table of reason strings
*/
-static entry_t reasons[] = {
- { "en", "IMV Attestation: Incorrect/pending file measurement/component"
- " evidence or invalid TPM Quote signature received" },
- { "mn", "IMV Attestation: Буруу/хүлээгдэж байгаа файл/компонент хэмжилт "
- "эсвэл буруу TPM Quote гарын үсэг" },
- { "de", "IMV Attestation: Falsche/Fehlende Dateimessung/Komponenten Beweis "
- "oder ungültige TPM Quote Unterschrift ist erhalten" },
+static imv_lang_string_t reason_file_meas_fail[] = {
+ { "en", "Incorrect file measurement" },
+ { "de", "Falsche Dateimessung" },
+ { "mn", "Буруу байгаа файл" },
+ { NULL, NULL }
+};
+
+static imv_lang_string_t reason_file_meas_pend[] = {
+ { "en", "Pending file measurement" },
+ { "de", "Ausstehende Dateimessung" },
+ { "mn", "Xүлээгдэж байгаа файл" },
+ { NULL, NULL }
+};
+
+static imv_lang_string_t reason_comp_evid_fail[] = {
+ { "en", "Incorrect component evidence" },
+ { "de", "Falsche Komponenten-Evidenz" },
+ { "mn", "Буруу компонент хэмжилт" },
+ { NULL, NULL }
+};
+
+static imv_lang_string_t reason_comp_evid_pend[] = {
+ { "en", "Pending component evidence" },
+ { "de", "Ausstehende Komponenten-Evidenz" },
+ { "mn", "Xүлээгдэж компонент хэмжилт" },
+ { NULL, NULL }
+};
+
+static imv_lang_string_t reason_tpm_quote_fail[] = {
+ { "en", "Invalid TPM Quote signature received" },
+ { "de", "Falsche TPM Quote Signature erhalten" },
+ { "mn", "Буруу TPM Quote гарын үсэг" },
+ { NULL, NULL }
};
METHOD(imv_state_t, get_connection_id, TNC_ConnectionID,
@@ -210,52 +238,57 @@ METHOD(imv_state_t, set_recommendation, void,
}
METHOD(imv_state_t, get_reason_string, bool,
- private_imv_attestation_state_t *this, chunk_t preferred_language,
- chunk_t *reason_string, chunk_t *reason_language)
+ private_imv_attestation_state_t *this, enumerator_t *language_enumerator,
+ chunk_t *reason_string, char **reason_language)
{
- chunk_t pref_lang, lang;
- u_char *pos;
- int i;
+ *reason_language = imv_lang_string_select_lang(language_enumerator,
+ languages, countof(languages));
- while (eat_whitespace(&preferred_language))
- {
- if (!extract_token(&pref_lang, ',', &preferred_language))
- {
- /* last entry in a comma-separated list or single entry */
- pref_lang = preferred_language;
- }
+ /* Instantiate a TNC Reason String object */
+ DESTROY_IF(this->reason_string);
+ this->reason_string = imv_reason_string_create(*reason_language);
- /* eat trailing whitespace */
- pos = pref_lang.ptr + pref_lang.len - 1;
- while (pref_lang.len && *pos-- == ' ')
- {
- pref_lang.len--;
- }
-
- for (i = 0 ; i < countof(reasons); i++)
- {
- lang = chunk_create(reasons[i].lang, strlen(reasons[i].lang));
- if (chunk_equals(lang, pref_lang))
- {
- *reason_language = lang;
- *reason_string = chunk_create(reasons[i].string,
- strlen(reasons[i].string));
- return TRUE;
- }
- }
+ if (this->measurement_error & IMV_ATTESTATION_ERROR_FILE_MEAS_FAIL)
+ {
+ this->reason_string->add_reason(this->reason_string,
+ reason_file_meas_fail);
+ }
+ if (this->measurement_error & IMV_ATTESTATION_ERROR_FILE_MEAS_PEND)
+ {
+ this->reason_string->add_reason(this->reason_string,
+ reason_file_meas_pend);
+ }
+ if (this->measurement_error & IMV_ATTESTATION_ERROR_COMP_EVID_FAIL)
+ {
+ this->reason_string->add_reason(this->reason_string,
+ reason_comp_evid_fail);
+ }
+ if (this->measurement_error & IMV_ATTESTATION_ERROR_COMP_EVID_PEND)
+ {
+ this->reason_string->add_reason(this->reason_string,
+ reason_comp_evid_pend);
}
+ if (this->measurement_error & IMV_ATTESTATION_ERROR_TPM_QUOTE_FAIL)
+ {
+ this->reason_string->add_reason(this->reason_string,
+ reason_tpm_quote_fail);
+ }
+ *reason_string = this->reason_string->get_encoding(this->reason_string);
- /* no preferred language match found - use the default language */
- *reason_string = chunk_create(reasons[0].string,
- strlen(reasons[0].string));
- *reason_language = chunk_create(reasons[0].lang,
- strlen(reasons[0].lang));
return TRUE;
}
+METHOD(imv_state_t, get_remediation_instructions, bool,
+ private_imv_attestation_state_t *this, enumerator_t *language_enumerator,
+ chunk_t *string, char **lang_code, char **uri)
+{
+ return FALSE;
+}
+
METHOD(imv_state_t, destroy, void,
private_imv_attestation_state_t *this)
{
+ DESTROY_IF(this->reason_string);
this->file_meas_requests->destroy_function(this->file_meas_requests, free);
this->components->destroy_function(this->components, (void *)free_func_comp);
this->pts->destroy(this->pts);
@@ -302,7 +335,7 @@ METHOD(imv_attestation_state_t, check_off_file_meas_request, bool,
enumerator_t *enumerator;
file_meas_request_t *request;
bool found = FALSE;
-
+
enumerator = this->file_meas_requests->create_enumerator(this->file_meas_requests);
while (enumerator->enumerate(enumerator, &request))
{
@@ -396,16 +429,16 @@ METHOD(imv_attestation_state_t, get_component, pts_component_t*,
return found;
}
-METHOD(imv_attestation_state_t, get_measurement_error, bool,
+METHOD(imv_attestation_state_t, get_measurement_error, u_int32_t,
private_imv_attestation_state_t *this)
{
return this->measurement_error;
}
METHOD(imv_attestation_state_t, set_measurement_error, void,
- private_imv_attestation_state_t *this)
+ private_imv_attestation_state_t *this, u_int32_t error)
{
- this->measurement_error = TRUE;
+ this->measurement_error |= error;
}
METHOD(imv_attestation_state_t, finalize_components, void,
@@ -418,7 +451,7 @@ METHOD(imv_attestation_state_t, finalize_components, void,
{
if (!entry->comp->finalize(entry->comp, entry->qualifier))
{
- _set_measurement_error(this);
+ set_measurement_error(this, IMV_ATTESTATION_ERROR_COMP_EVID_PEND);
}
free_func_comp(entry);
}
@@ -436,7 +469,6 @@ METHOD(imv_attestation_state_t, components_finalized, bool,
imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
{
private_imv_attestation_state_t *this;
- char *platform_info;
INIT(this,
.public = {
@@ -451,6 +483,7 @@ imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
.get_recommendation = _get_recommendation,
.set_recommendation = _set_recommendation,
.get_reason_string = _get_reason_string,
+ .get_remediation_instructions = _get_remediation_instructions,
.destroy = _destroy,
},
.get_handshake_state = _get_handshake_state,
@@ -476,12 +509,5 @@ imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
.pts = pts_create(FALSE),
);
- platform_info = lib->settings->get_str(lib->settings,
- "libimcv.plugins.imv-attestation.platform_info", NULL);
- if (platform_info)
- {
- this->pts->set_platform_info(this->pts, platform_info);
- }
-
return &this->public.interface;
}