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-rw-r--r--TPM2-Plugin/lib/tpm2_tcti_ldr.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/TPM2-Plugin/lib/tpm2_tcti_ldr.c b/TPM2-Plugin/lib/tpm2_tcti_ldr.c
deleted file mode 100644
index 5b827a9..0000000
--- a/TPM2-Plugin/lib/tpm2_tcti_ldr.c
+++ /dev/null
@@ -1,137 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2018, 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.
-//
-// 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 <limits.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <dlfcn.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "log.h"
-#include "tpm2_tcti_ldr.h"
-
-static void *handle;
-static const TSS2_TCTI_INFO *info;
-
-void tpm2_tcti_ldr_unload(void) {
- if (handle) {
-#ifndef DISABLE_DLCLOSE
- dlclose(handle);
-#endif
- handle = NULL;
- info = NULL;
- }
-}
-
-const TSS2_TCTI_INFO *tpm2_tcti_ldr_getinfo(void) {
- return info;
-}
-
-bool tpm2_tcti_ldr_is_tcti_present(const char *name) {
-
- char path[PATH_MAX];
- snprintf(path, sizeof(path), "libtss2-tcti-%s.so", name);
-
- void *handle = dlopen (path, RTLD_LAZY);
- if (handle) {
- dlclose(handle);
- }
-
- return handle != NULL;
-}
-
-TSS2_TCTI_CONTEXT *tpm2_tcti_ldr_load(const char *path, const char *opts) {
-
- TSS2_TCTI_CONTEXT *tcti_ctx = NULL;
-
- if (handle) {
- LOG_ERR("Attempting to load multiple tcti's simultaneously is not supported!");
- return NULL;
- }
-
- /*
- * Try what they gave us, if it doesn't load up, try
- * libtss2-tcti-xxx.so replacing xxx with what they gave us.
- */
- handle = dlopen (path, RTLD_LAZY);
- if (!handle) {
-
- char buf[PATH_MAX];
- size_t size = snprintf(buf, sizeof(buf), "libtss2-tcti-%s.so", path);
- if (size >= sizeof(buf)) {
- LOG_ERR("Truncated friendly name conversion, got: \"%s\", made: \"%s\"",
- path, buf);
- return NULL;
- }
-
- handle = dlopen (buf, RTLD_LAZY);
- if (!handle) {
- LOG_ERR("Could not dlopen library: \"%s\"", buf);
- return NULL;
- }
- }
-
- TSS2_TCTI_INFO_FUNC infofn = (TSS2_TCTI_INFO_FUNC)dlsym(handle, TSS2_TCTI_INFO_SYMBOL);
- if (!infofn) {
- LOG_ERR("Symbol \"%s\"not found in library: \"%s\"",
- TSS2_TCTI_INFO_SYMBOL, path);
- goto err;
- }
-
- info = infofn();
-
- TSS2_TCTI_INIT_FUNC init = info->init;
-
- size_t size;
- TSS2_RC rc = init(NULL, &size, opts);
- if (rc != TPM2_RC_SUCCESS) {
- LOG_ERR("tcti init setup routine failed for library: \"%s\""
- " options: \"%s\"", path, opts);
- goto err;
- }
-
- tcti_ctx = (TSS2_TCTI_CONTEXT*) calloc(1, size);
- if (tcti_ctx == NULL) {
- LOG_ERR("oom");
- goto err;
- }
-
- rc = init(tcti_ctx, &size, opts);
- if (rc != TPM2_RC_SUCCESS) {
- LOG_ERR("tcti init allocation routine failed for library: \"%s\""
- " options: \"%s\"", path, opts);
- goto err;
- }
-
- return tcti_ctx;
-
-err:
- free(tcti_ctx);
- dlclose(handle);
- return NULL;
-}