Tests/esapi: Add Audit

Signed-off-by: Juergen Repp <juergen.repp@sit.fraunhofer.de>
Signed-off-by: Andreas Fuchs <andreas.fuchs@sit.fraunhofer.de>
diff --git a/Makefile-test.am b/Makefile-test.am
index 66ddc2d..2089713 100644
--- a/Makefile-test.am
+++ b/Makefile-test.am
@@ -108,6 +108,7 @@
     test/tpmclient/tpmclient.int
 if ESAPI
 TESTS_INTEGRATION += \
+    test/integration/esys-audit.int \
     test/integration/esys-clear.int \
     test/integration/esys-clear-session.int \
     test/integration/esys-clockset.int \
@@ -350,6 +351,13 @@
     test/integration/system-api.int.c
 
 if ESAPI
+test_integration_esys_audit_int_CFLAGS  = $(TESTS_CFLAGS)
+test_integration_esys_audit_int_LDADD   = $(TESTS_LDADD)
+test_integration_esys_audit_int_LDFLAGS = $(TESTS_LDFLAGS) -lgcrypt
+test_integration_esys_audit_int_SOURCES = \
+    test/integration/esys-audit.int.c \
+    test/integration/main-esapi.c test/integration/test-esapi.h
+
 test_integration_esys_clear_int_CFLAGS  = $(TESTS_CFLAGS)
 test_integration_esys_clear_int_LDADD   = $(TESTS_LDADD)
 test_integration_esys_clear_int_LDFLAGS = $(TESTS_LDFLAGS) -lgcrypt
diff --git a/test/integration/esys-audit.int.c b/test/integration/esys-audit.int.c
new file mode 100644
index 0000000..1f9d801
--- /dev/null
+++ b/test/integration/esys-audit.int.c
@@ -0,0 +1,230 @@
+/*******************************************************************************
+ * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************/
+
+#include "tss2_esys.h"
+
+#include "esys_iutil.h"
+#define LOGMODULE test
+#include "util/log.h"
+
+/*
+ * This test is intended to test the ESAPI audit commands.
+ * First a key for signing the audit digest is computed.
+ * A audit session is started, and for the command GetCapability the
+ * command audit digest and the session audit digest is computed.
+ * (Esys_GetCommandAuditDigest, Esys_GetSessionAuditDigest). In the
+ * last test the audit hash alg is changed with Esys_SetCommandCodeAuditStatus.
+ */
+
+int
+test_invoke_esapi(ESYS_CONTEXT * esys_context)
+{
+    uint32_t r = 0;
+
+    /* Compute a signing key */
+    TPM2B_AUTH authValuePrimary = {
+        .size = 5,
+        .buffer = {1, 2, 3, 4, 5}
+    };
+
+    TPM2B_SENSITIVE_CREATE inSensitivePrimary = {
+        .size = 4,
+        .sensitive = {
+            .userAuth = {
+                 .size = 0,
+                 .buffer = {0},
+             },
+            .data = {
+                 .size = 0,
+                 .buffer = {0},
+             },
+        },
+    };
+
+    inSensitivePrimary.sensitive.userAuth = authValuePrimary;
+
+    TPM2B_PUBLIC inPublic = {
+            .size = 0,
+            .publicArea = {
+                .type = TPM2_ALG_RSA,
+                .nameAlg = TPM2_ALG_SHA1,
+                .objectAttributes = (
+                    TPMA_OBJECT_USERWITHAUTH |
+                    TPMA_OBJECT_RESTRICTED |
+                    TPMA_OBJECT_SIGN_ENCRYPT |
+                    TPMA_OBJECT_FIXEDTPM |
+                    TPMA_OBJECT_FIXEDPARENT |
+                    TPMA_OBJECT_SENSITIVEDATAORIGIN
+                    ),
+                .authPolicy = {
+                        .size = 0,
+                    },
+                .parameters.rsaDetail = {
+                    .symmetric = {
+                        .algorithm = TPM2_ALG_NULL,
+                        .keyBits.aes = 128,
+                        .mode.aes = TPM2_ALG_ECB,
+                        },
+                    .scheme = {
+                         .scheme = TPM2_ALG_RSASSA,
+                         .details = { .rsassa = { .hashAlg = TPM2_ALG_SHA1 }},
+
+                    },
+                    .keyBits = 2048,
+                    .exponent = 0,
+                },
+                .unique.rsa = {
+                        .size = 0,
+                        .buffer = {},
+                    },
+            },
+        };
+
+    TPM2B_AUTH authValue = {
+                .size = 0,
+                .buffer = {}
+    };
+
+    TPM2B_DATA outsideInfo = {
+            .size = 0,
+            .buffer = {},
+    };
+
+    TPML_PCR_SELECTION creationPCR = {
+        .count = 0,
+    };
+
+    r = Esys_TR_SetAuth(esys_context, ESYS_TR_RH_OWNER, &authValue);
+    goto_if_error(r, "Error: TR_SetAuth", error);
+
+    ESYS_TR signHandle;
+    TPM2B_PUBLIC *outPublic;
+    TPM2B_CREATION_DATA *creationData;
+    TPM2B_DIGEST *creationHash;
+    TPMT_TK_CREATION *creationTicket;
+
+    r = Esys_CreatePrimary(esys_context, ESYS_TR_RH_OWNER, ESYS_TR_PASSWORD,
+                           ESYS_TR_NONE, ESYS_TR_NONE, &inSensitivePrimary,
+                           &inPublic, &outsideInfo, &creationPCR,
+                           &signHandle, &outPublic, &creationData,
+                           &creationHash, &creationTicket);
+    goto_if_error(r, "Error esys create primary", error);
+
+    /* Start a audit session */
+    TPMA_SESSION sessionAttributes = TPMA_SESSION_CONTINUESESSION |
+                                     TPMA_SESSION_AUDIT;
+    TPM2_SE sessionType = TPM2_SE_HMAC;
+    TPMI_ALG_HASH authHash = TPM2_ALG_SHA256;
+    TPM2B_NONCE *nonceTpm;
+    TPMT_SYM_DEF symmetric = {.algorithm = TPM2_ALG_NULL };
+    ESYS_TR session;
+
+    r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
+                              ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
+                              NULL,
+                              sessionType, &symmetric, authHash, &session,
+                              &nonceTpm);
+
+    goto_if_error(r, "Error Esys_StartAuthSessiony", error);
+    r = Esys_TRSess_SetAttributes(esys_context, session, sessionAttributes,
+                                  0xff);
+    goto_if_error(r, "Error Esys_TRSess_SetAttributes", error);
+
+    /* Execute one command to be audited */
+    TPM2_CAP capability = TPM2_CAP_TPM_PROPERTIES;
+    UINT32 property = TPM2_PT_LOCKOUT_COUNTER;
+    UINT32 propertyCount = 1;
+    TPMS_CAPABILITY_DATA *capabilityData;
+    TPMI_YES_NO moreData;
+
+    r = Esys_GetCapability(esys_context,
+                           session, ESYS_TR_NONE, ESYS_TR_NONE,
+                           capability, property, propertyCount,
+                           &moreData, &capabilityData);
+
+    goto_if_error(r, "Error esys get capability", error);
+
+    ESYS_TR privacyHandle = ESYS_TR_RH_ENDORSEMENT;
+    TPM2B_DATA qualifyingData = {0};
+    TPMT_SIG_SCHEME inScheme = { .scheme = TPM2_ALG_NULL };
+    TPM2B_ATTEST *auditInfo;
+    TPMT_SIGNATURE *signature;
+
+    /* Test the audit commands */
+    r = Esys_GetCommandAuditDigest(
+        esys_context,
+        privacyHandle,
+        signHandle,
+        ESYS_TR_PASSWORD,
+        ESYS_TR_PASSWORD,
+        ESYS_TR_NONE,
+        &qualifyingData,
+        &inScheme,
+        &auditInfo,
+        &signature);
+    goto_if_error(r, "Error: GetCommandAuditDigest", error);
+
+    r = Esys_GetSessionAuditDigest(
+        esys_context,
+        privacyHandle,
+        signHandle,
+        session,
+        ESYS_TR_PASSWORD,
+        ESYS_TR_PASSWORD,
+        ESYS_TR_NONE,
+        &qualifyingData,
+        &inScheme,
+        &auditInfo,
+        &signature);
+    goto_if_error(r, "Error: GetSessionAuditDigest", error);
+
+    TPMI_ALG_HASH auditAlg = TPM2_ALG_SHA1;
+    TPML_CC clearList = {0};
+    TPML_CC setList = {0};
+
+    r = Esys_SetCommandCodeAuditStatus(
+        esys_context,
+        ESYS_TR_RH_PLATFORM,
+        ESYS_TR_PASSWORD,
+        ESYS_TR_NONE,
+        ESYS_TR_NONE,
+        auditAlg,
+        &setList,
+        &clearList);
+    goto_if_error(r, "Error: SetCommandCodeAuditStatus", error);
+
+    r = Esys_FlushContext(esys_context, signHandle);
+    goto_if_error(r, "Error: FlushContext", error);
+
+    r = Esys_FlushContext(esys_context, session);
+    goto_if_error(r, "Error during FlushContext", error);
+
+    return 0;
+
+ error:
+    return 1;
+}