From 84134b93c1fc1c670f52ab199dcda6fc9c42626f Mon Sep 17 00:00:00 2001
From: Dimitri Staessens <dimitri@ouroboros.rocks>
Date: Sat, 28 Jun 2025 11:27:50 +0200
Subject: 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>
---
 src/lib/tests/sockets_test.c | 98 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/lib/tests/sockets_test.c

(limited to 'src/lib/tests/sockets_test.c')

diff --git a/src/lib/tests/sockets_test.c b/src/lib/tests/sockets_test.c
new file mode 100644
index 00000000..bbf2323b
--- /dev/null
+++ b/src/lib/tests/sockets_test.c
@@ -0,0 +1,98 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2024
+ *
+ * Tests for socket.c
+ *
+ *    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/.
+ */
+
+#define _POSIX_C_SOURCE 200112L
+
+#include <ouroboros/sockets.h>
+#include <ouroboros/test.h>
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define TEST_PID              1234
+#define TEST_PID_STR          "1234"
+#define TEST_SERVER_PATH      "/tmp/test.sock"
+#define TEST_SERVER_PREFIX    "/tmp/ouroboros/test."
+#define TEST_SOCK_PATH_PREFIX "var/run/ouroboros/test."
+
+static int test_sock_path(void)
+{
+        char * path;
+        char * exp = TEST_SOCK_PATH_PREFIX TEST_PID_STR SOCK_PATH_SUFFIX;
+
+        TEST_START();
+
+        path = sock_path(TEST_PID, TEST_SOCK_PATH_PREFIX);
+        if (path == NULL) {
+                printf("Path is NULL.\n");
+                goto fail_path;
+        }
+
+        if (strcmp(path, exp) != 0) {
+                printf("Expected path '%s', got '%s'.\n", exp, path);
+                goto fail_cmp;
+        }
+
+        free(path);
+
+        TEST_SUCCESS();
+        return TEST_RC_SUCCESS;
+ fail_cmp:
+        free(path);
+ fail_path:
+        TEST_FAIL();
+        return TEST_RC_FAIL;
+}
+
+static int test_server_socket_open(void)
+{
+        int sockfd;
+
+        TEST_START();
+
+        sockfd = server_socket_open(TEST_SERVER_PATH);
+        if (sockfd < 0) {
+                printf("Failed to open server socket.\n");
+                goto fail_sock;
+        }
+
+        close(sockfd);
+
+        unlink(TEST_SERVER_PATH);
+
+        TEST_SUCCESS();
+        return TEST_RC_SUCCESS;
+ fail_sock:
+        TEST_FAIL();
+        return TEST_RC_FAIL;
+}
+
+int sockets_test(void)
+{
+        int ret = 0;
+
+        ret |= test_sock_path();
+        ret |= test_server_socket_open();
+
+        return ret;
+}
-- 
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