Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/tests/ns/plugin_test.c b/tests/ns/plugin_test.c
new file mode 100644
index 0000000..24d021e
--- /dev/null
+++ b/tests/ns/plugin_test.c
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <inttypes.h>
+#include <limits.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/attributes.h>
+#include <isc/dir.h>
+#include <isc/mem.h>
+#include <isc/result.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+noreturn void
+_fail(const char *const file, const int line);
+
+#include <ns/hooks.h>
+
+#include <tests/ns.h>
+
+/*%
+ * Structure containing parameters for run_full_path_test().
+ */
+typedef struct {
+	const ns_test_id_t id; /* libns test identifier */
+	const char *input;     /* source string - plugin name or path
+				* */
+	size_t output_size;    /* size of target char array to
+				* allocate */
+	isc_result_t result;   /* expected return value */
+	const char *output;    /* expected output string */
+} ns_plugin_expandpath_test_params_t;
+
+/*%
+ * Perform a single ns_plugin_expandpath() check using given parameters.
+ */
+static void
+run_full_path_test(const ns_plugin_expandpath_test_params_t *test,
+		   void **state) {
+	char **target = (char **)state;
+	isc_result_t result;
+
+	REQUIRE(test != NULL);
+	REQUIRE(test->id.description != NULL);
+	REQUIRE(test->input != NULL);
+	REQUIRE(test->result != ISC_R_SUCCESS || test->output != NULL);
+
+	/*
+	 * Prepare a target buffer of given size.  Store it in 'state' so that
+	 * it can get cleaned up by _teardown() if the test fails.
+	 */
+	*target = isc_mem_allocate(mctx, test->output_size);
+
+	/*
+	 * Call ns_plugin_expandpath().
+	 */
+	result = ns_plugin_expandpath(test->input, *target, test->output_size);
+
+	/*
+	 * Check return value.
+	 */
+	if (result != test->result) {
+		fail_msg("# test \"%s\" on line %d: "
+			 "expected result %d (%s), got %d (%s)",
+			 test->id.description, test->id.lineno, test->result,
+			 isc_result_totext(test->result), result,
+			 isc_result_totext(result));
+	}
+
+	/*
+	 * Check output string if return value indicates success.
+	 */
+	if (result == ISC_R_SUCCESS && strcmp(*target, test->output) != 0) {
+		fail_msg("# test \"%s\" on line %d: "
+			 "expected output \"%s\", got \"%s\"",
+			 test->id.description, test->id.lineno, test->output,
+			 *target);
+	}
+
+	isc_mem_free(mctx, *target);
+}
+
+/* test ns_plugin_expandpath() */
+ISC_RUN_TEST_IMPL(ns_plugin_expandpath) {
+	size_t i;
+
+	const ns_plugin_expandpath_test_params_t tests[] = {
+		{
+			NS_TEST_ID("correct use with an absolute path"),
+			.input = "/usr/lib/named/foo.so",
+			.output_size = PATH_MAX,
+			.result = ISC_R_SUCCESS,
+			.output = "/usr/lib/named/foo.so",
+		},
+		{
+			NS_TEST_ID("correct use with a relative path"),
+			.input = "../../foo.so",
+			.output_size = PATH_MAX,
+			.result = ISC_R_SUCCESS,
+			.output = "../../foo.so",
+		},
+		{
+			NS_TEST_ID("correct use with a filename"),
+			.input = "foo.so",
+			.output_size = PATH_MAX,
+			.result = ISC_R_SUCCESS,
+			.output = NAMED_PLUGINDIR "/foo.so",
+		},
+		{
+			NS_TEST_ID("no space at all in target buffer"),
+			.input = "/usr/lib/named/foo.so",
+			.output_size = 0,
+			.result = ISC_R_NOSPACE,
+		},
+		{
+			NS_TEST_ID("target buffer too small to fit input"),
+			.input = "/usr/lib/named/foo.so",
+			.output_size = 1,
+			.result = ISC_R_NOSPACE,
+		},
+		{
+			NS_TEST_ID("target buffer too small to fit NULL byte"),
+			.input = "/foo.so",
+			.output_size = 7,
+			.result = ISC_R_NOSPACE,
+		},
+		{
+			NS_TEST_ID("target buffer too small to fit full path"),
+			.input = "foo.so",
+			.output_size = 7,
+			.result = ISC_R_NOSPACE,
+		},
+	};
+
+	for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+		run_full_path_test(&tests[i], state);
+	}
+}
+
+ISC_TEST_LIST_START
+
+ISC_TEST_ENTRY_CUSTOM(ns_plugin_expandpath, setup_managers, teardown_managers)
+
+ISC_TEST_LIST_END
+
+ISC_TEST_MAIN