Setup TPM2-Plugin build environment

Add initial codes to build TPM2-plugin shared lib

Issue-ID: AAF-94
Change-Id: I96dee3699aa250b69350d6f01401f3831cf515f7
Signed-off-by: NingSun <ning.sun@intel.com>

1 files changed, 176 insertions, 0 deletions

diff --git a/TPM2-Plugin/lib/tpm2_plugin_api.c b/TPM2-Plugin/lib/tpm2_plugin_api.c
new file mode 100644
index 0000000..adc8cf7
--- /dev/null
+++ b/TPM2-Plugin/lib/tpm2_plugin_api.c
@@ -0,0 +1,176 @@
+//**********************************************************************;
+// Copyright (c) 2017, Intel Corporation
+// 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.
+//
+// 3. Neither the name of Intel Corporation nor the names of its contributors
+// may be used to endorse or promote products derived from this software without
+// specific prior written permission.
+//
+// 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 <sapi/tpm20.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include "tpm2_plugin_api.h"
+#include "log.h"
+#include "tpm2_tcti_ldr.h"
+
+
+const char *tcti_path="libtcti-device.so";
+
+static void tcti_teardown (TSS2_TCTI_CONTEXT *tcti_context)
+{
+
+    Tss2_Tcti_Finalize (tcti_context);
+    free (tcti_context);
+}
+
+static void sapi_teardown (TSS2_SYS_CONTEXT *sapi_context)
+{
+
+    if (sapi_context == NULL)
+        return;
+    Tss2_Sys_Finalize (sapi_context);
+    free (sapi_context);
+}
+
+static void sapi_teardown_full (TSS2_SYS_CONTEXT *sapi_context)
+{
+
+    TSS2_TCTI_CONTEXT *tcti_context = NULL;
+    TSS2_RC rc;
+
+    rc = Tss2_Sys_GetTctiContext (sapi_context, &tcti_context);
+    if (rc != TPM2_RC_SUCCESS)
+        return;
+    sapi_teardown (sapi_context);
+    tcti_teardown (tcti_context);
+}
+
+static TSS2_SYS_CONTEXT* sapi_ctx_init(TSS2_TCTI_CONTEXT *tcti_ctx)
+{
+
+    TSS2_ABI_VERSION abi_version = {
+            .tssCreator = TSSWG_INTEROP,
+            .tssFamily = TSS_SAPI_FIRST_FAMILY,
+            .tssLevel = TSS_SAPI_FIRST_LEVEL,
+            .tssVersion = TSS_SAPI_FIRST_VERSION,
+    };
+
+    size_t size = Tss2_Sys_GetContextSize(0);
+    TSS2_SYS_CONTEXT *sapi_ctx = (TSS2_SYS_CONTEXT*) calloc(1, size);
+    if (sapi_ctx == NULL) {
+        LOG_ERR("Failed to allocate 0x%zx bytes for the SAPI context\n",
+                size);
+        return NULL;
+    }
+
+    TSS2_RC rval = Tss2_Sys_Initialize(sapi_ctx, size, tcti_ctx, &abi_version);
+    if (rval != TPM2_RC_SUCCESS) {
+        LOG_PERR(Tss2_Sys_Initialize, rval);
+        free(sapi_ctx);
+        return NULL;
+    }
+
+    return sapi_ctx;
+}
+int tpm2_rsa_sign_init(
+        unsigned long mechanish,
+        void *param,
+        size_t len,
+        void *ctx)
+{
+    printf("executing tpm2_rsa_sign_init in tpm2_plugin... \n");
+    return 0;
+}
+
+int tpm2_tool_sign(TSS2_SYS_CONTEXT *sapi_context)
+{
+    return 0;
+}
+
+int tpm2_rsa_sign(
+        void  *ctx,
+        unsigned char *msg,
+        int msg_len,
+        unsigned char *sig,
+        int *sig_len)
+{
+    int ret = 1;
+    TSS2_TCTI_CONTEXT *tcti;
+    tcti = tpm2_tcti_ldr_load(tcti_path, NULL);
+    if (!tcti) {
+        LOG_ERR("Could not load tcti, got: \"%s\"", tcti_path);
+        return -1;
+    }
+    
+    TSS2_SYS_CONTEXT *sapi_context = NULL;
+    if (tcti) {
+        sapi_context = sapi_ctx_init(tcti);
+        if (!sapi_context) {
+            goto free_tcti;
+        }
+    }
+    
+    ret = tpm2_tool_sign(sapi_context);
+    if (ret != 0) {
+        LOG_ERR("Unable to run tpm2_tool_sign");
+    sapi_teardown_full(sapi_context);
+
+free_tcti:
+    tpm2_tcti_ldr_unload();
+    return ret;
+}
+}
+
+int tpm2_rsa_create_object(
+                        unsigned long appHandle,
+                        //DhsmWPKRSAFormat* wpk,
+                        void *wpk,
+                        unsigned char* swk,
+                        int swk_len,
+                        unsigned char* iv,
+                        int iv_len,
+                        int tag_len,
+                        void **cb_object)
+{
+    return 0;
+}
+
+int tpm2_rsa_delete_object(void *cb_object)
+{
+    return 0;
+}
+
+int tpm2_import_object(unsigned long appHandle, 
+                       unsigned char* tlvbuffer, 
+                       int buflen, 
+                       unsigned char* iv, 
+                       int iv_len, 
+                       unsigned char* tpm_pwd, 
+                       int tpm_pwd_len)
+
+{
+    return 0;
+}