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-rw-r--r--libexec/rtld-elf/tests/ld_preload_fds.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/libexec/rtld-elf/tests/ld_preload_fds.c b/libexec/rtld-elf/tests/ld_preload_fds.c
new file mode 100644
index 000000000000..3a220b009bb6
--- /dev/null
+++ b/libexec/rtld-elf/tests/ld_preload_fds.c
@@ -0,0 +1,108 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <atf-c.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#include "common.h"
+
+int binaryfd;
+int libraryfd;
+
+static void
+setup(const atf_tc_t *tc)
+{
+ int testdir;
+
+ testdir = opendir(atf_tc_get_config_var(tc, "srcdir"));
+ ATF_REQUIRE(testdir >= 0);
+
+ binaryfd = openat(testdir, TARGET_ELF_NAME, O_RDONLY);
+ ATF_REQUIRE(binaryfd >= 0);
+ libraryfd = openat(testdir, TARGET_LIBRARY, O_RDONLY);
+ ATF_REQUIRE(libraryfd >= 0);
+
+ close(testdir);
+}
+
+ATF_TC_WITHOUT_HEAD(missing_library);
+ATF_TC_BODY(missing_library, tc)
+{
+
+ setup(tc);
+ expect_missing_library(binaryfd, NULL);
+}
+
+ATF_TC_WITHOUT_HEAD(bad_librarys);
+ATF_TC_BODY(bad_librarys, tc)
+{
+ char *senv;
+
+ ATF_REQUIRE(asprintf(&senv, "LD_PRELOAD_FDS=::") > 0);
+
+ setup(tc);
+ expect_missing_library(binaryfd, senv);
+}
+
+ATF_TC_WITHOUT_HEAD(single_library);
+ATF_TC_BODY(single_library, tc)
+{
+ char *senv;
+
+ setup(tc);
+
+ ATF_REQUIRE(
+ asprintf(&senv, "LD_PRELOAD_FDS=%d", libraryfd) > 0);
+
+ expect_success(binaryfd, senv);
+}
+
+ATF_TC_WITHOUT_HEAD(two_librarys);
+ATF_TC_BODY(two_librarys, tc)
+{
+ char *senv;
+
+ setup(tc);
+
+ ATF_REQUIRE(
+ asprintf(&senv, "LD_PRELOAD_FDS=%d:%d", libraryfd, libraryfd) > 0);
+
+ expect_success(binaryfd, senv);
+}
+
+/* Register test cases with ATF. */
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, missing_library);
+ ATF_TP_ADD_TC(tp, bad_librarys);
+ ATF_TP_ADD_TC(tp, single_library);
+ ATF_TP_ADD_TC(tp, two_librarys);
+
+ return atf_no_error();
+}