1 files changed, 139 insertions, 0 deletions
diff --git a/tests/sys/audit/file-write.c b/tests/sys/audit/file-write.c
new file mode 100644
index 000000000000..98e670ccd8c3
--- /dev/null
+++ b/tests/sys/audit/file-write.c
@@ -0,0 +1,139 @@
+/*-
+ * Copyright 2018 Aniket Pandey
+ *
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * 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
+ * SUCH DAMAGE.
+ */
+
+#include <atf-c.h>
+#include <fcntl.h>
+
+#include "utils.h"
+
+static struct pollfd fds[1];
+static mode_t mode = 0777;
+static int filedesc;
+static off_t offlen = 0;
+static const char *path = "fileforaudit";
+static const char *errpath = "dirdoesnotexist/fileforaudit";
+static const char *successreg = "fileforaudit.*return,success";
+static const char *failurereg = "fileforaudit.*return,failure";
+
+
+ATF_TC_WITH_CLEANUP(truncate_success);
+ATF_TC_HEAD(truncate_success, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
+					"truncate(2) call");
+}
+
+ATF_TC_BODY(truncate_success, tc)
+{
+	/* File needs to exist to call truncate(2) */
+	ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
+	FILE *pipefd = setup(fds, "fw");
+	ATF_REQUIRE_EQ(0, truncate(path, offlen));
+	check_audit(fds, successreg, pipefd);
+	close(filedesc);
+}
+
+ATF_TC_CLEANUP(truncate_success, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(truncate_failure);
+ATF_TC_HEAD(truncate_failure, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
+					"truncate(2) call");
+}
+
+ATF_TC_BODY(truncate_failure, tc)
+{
+	FILE *pipefd = setup(fds, "fw");
+	/* Failure reason: file does not exist */
+	ATF_REQUIRE_EQ(-1, truncate(errpath, offlen));
+	check_audit(fds, failurereg, pipefd);
+}
+
+ATF_TC_CLEANUP(truncate_failure, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(ftruncate_success);
+ATF_TC_HEAD(ftruncate_success, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
+					"ftruncate(2) call");
+}
+
+ATF_TC_BODY(ftruncate_success, tc)
+{
+	const char *regex = "ftruncate.*return,success";
+	/* Valid file descriptor needs to exist to call ftruncate(2) */
+	ATF_REQUIRE((filedesc = open(path, O_CREAT | O_RDWR)) != -1);
+	FILE *pipefd = setup(fds, "fw");
+	ATF_REQUIRE_EQ(0, ftruncate(filedesc, offlen));
+	check_audit(fds, regex, pipefd);
+	close(filedesc);
+}
+
+ATF_TC_CLEANUP(ftruncate_success, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(ftruncate_failure);
+ATF_TC_HEAD(ftruncate_failure, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
+					"ftruncate(2) call");
+}
+
+ATF_TC_BODY(ftruncate_failure, tc)
+{
+	const char *regex = "ftruncate.*return,failure";
+	FILE *pipefd = setup(fds, "fw");
+	/* Failure reason: bad file descriptor */
+	ATF_REQUIRE_EQ(-1, ftruncate(-1, offlen));
+	check_audit(fds, regex, pipefd);
+}
+
+ATF_TC_CLEANUP(ftruncate_failure, tc)
+{
+	cleanup();
+}
+
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, truncate_success);
+	ATF_TP_ADD_TC(tp, truncate_failure);
+	ATF_TP_ADD_TC(tp, ftruncate_success);
+	ATF_TP_ADD_TC(tp, ftruncate_failure);
+
+	return (atf_no_error());
+}