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authorNingSun <ning.sun@intel.com>2018-02-28 18:24:31 -0800
committerNingSun <ning.sun@intel.com>2018-03-01 10:28:45 -0800
commit535535b7c5f2781fa096a5fd00a762d24db4eddc (patch)
tree57a75d6dc0f01677a9da21715f3a3a4d11cf3298 /TPM2-Plugin/lib/tpm2_plugin_api.c
parent0c89b3ccba7c9b7332ab67ae1936aff51ca62367 (diff)
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>
Diffstat (limited to 'TPM2-Plugin/lib/tpm2_plugin_api.c')
-rw-r--r--TPM2-Plugin/lib/tpm2_plugin_api.c176
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;
+}