lib: Add authentication functions

Adds functions needed for authentication using X509 certificates,
implemented using OpenSSL.

Refactors some library internals, and adds some unit tests for them.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

1 files changed, 104 insertions, 0 deletions

diff --git a/src/lib/tests/tpm_test.c b/src/lib/tests/tpm_test.c
new file mode 100644
index 00000000..98d4fab3
--- /dev/null
+++ b/src/lib/tests/tpm_test.c
@@ -0,0 +1,104 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2024
+ *
+ * Tests for the threadpool manager
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+
+#include "tpm.c"
+
+#include <ouroboros/test.h>
+
+static void * test_func(void * o)
+{
+        (void) o;
+
+        while(1)
+                sleep(1);
+
+        return NULL;
+}
+
+static int test_tpm_create_destroy(void)
+{
+        struct tpm *tpm;
+
+        TEST_START();
+
+        tpm = tpm_create(2, 2, &test_func, NULL);
+        if (tpm == NULL) {
+                printf("Failed to initialize TPM.\n");
+                goto fail;
+        }
+
+        tpm_destroy(tpm);
+
+        TEST_SUCCESS();
+
+        return TEST_RC_SUCCESS;
+ fail:
+        TEST_FAIL();
+        return TEST_RC_FAIL;
+}
+
+static int test_tpm_start_stop(void * (* fn)(void *),
+                               void * o)
+{
+        struct tpm *tpm;
+
+        TEST_START();
+
+        tpm = tpm_create(2, 2, fn, o);
+        if (tpm == NULL) {
+                printf("Failed to initialize TPM.\n");
+                goto fail_create;
+        }
+
+        if (tpm_start(tpm) < 0) {
+                printf("Failed to start TPM.\n");
+                goto fail_start;
+        }
+
+        tpm_stop(tpm);
+
+        tpm_destroy(tpm);
+
+        TEST_SUCCESS();
+
+        return TEST_RC_SUCCESS;
+ fail_start:
+        tpm_destroy(tpm);
+ fail_create:
+        TEST_FAIL();
+        return TEST_RC_FAIL;
+}
+
+int tpm_test(int     argc,
+             char ** argv)
+{
+        int ret = 0;
+
+        (void) argc;
+        (void) argv;
+
+        ret |= test_tpm_create_destroy();
+        ret |= test_tpm_start_stop(&test_func, NULL);
+
+        return ret;
+}