1 files changed, 79 insertions, 0 deletions
diff --git a/libexec/rtld-elf/tests/common.c b/libexec/rtld-elf/tests/common.c
new file mode 100644
index 000000000000..b878e8284e07
--- /dev/null
+++ b/libexec/rtld-elf/tests/common.c
@@ -0,0 +1,79 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ * Copyright 2014 Jonathan Anderson.
+ * Copyright 2021 Mariusz Zaborski <oshogbo@FreeBSD.org>
+ *
+ * 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 AUTHOR ``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 AUTHOR 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 <atf-c.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#include "common.h"
+
+void
+expect_success(int binary, char *senv)
+{
+	char * const env[] = { senv, NULL };
+
+	try_to_run(binary, 0, env, "the hypotenuse of 3 and 4 is 5\n", "");
+}
+
+void
+expect_missing_library(int binary, char *senv)
+{
+	char * const env[] = { senv, NULL };
+
+	try_to_run(binary, 1, env, "",
+	   "ld-elf.so.1: Shared object \"libpythagoras.so.0\" not found,"
+	    " required by \"target\"\n");
+}
+
+void
+try_to_run(int binary, int exit_status, char * const *env,
+        const char *expected_out, const char *expected_err)
+{
+	pid_t child = atf_utils_fork();
+
+	if (child == 0) {
+		char * const args[] = { "target", NULL };
+
+		fexecve(binary, args, env);
+		atf_tc_fail("fexecve() failed");
+	}
+
+	atf_utils_wait(child, exit_status, expected_out, expected_err);
+}
+
+int
+opendir_fd(const char *name)
+{
+
+	return open(name, O_RDONLY | O_DIRECTORY);
+}
+
+int
+opendirat(int parent, const char *name)
+{
+
+	return openat(parent, name, O_RDONLY | O_DIRECTORY);
+}