From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 25 May 2016 00:11:37 +0000 (+0000)
Subject: tests: check decoding of mount syscall
X-Git-Tag: v4.12~61
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f8da0f3e78d2bc80ca62a73e026a38a17e0a1387;p=strace

tests: check decoding of mount syscall

* tests/mount.c: New file.
* tests/mount.test: New test.
* tests/.gitignore: Add mount.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add mount.
---

diff --git a/tests/.gitignore b/tests/.gitignore
index f54c8287..a6475d7e 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -127,6 +127,7 @@ mlockall
 mmap
 mmap64
 mmsg
+mount
 move_pages
 mq
 munlockall
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 888322e5..1fff49a2 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -180,6 +180,7 @@ check_PROGRAMS = \
 	mmap \
 	mmap64 \
 	mmsg \
+	mount \
 	move_pages \
 	mq \
 	munlockall \
@@ -472,6 +473,7 @@ DECODER_TESTS = \
 	mmap.test \
 	mmap64.test \
 	mmsg.test \
+	mount.test \
 	move_pages.test \
 	mq.test \
 	munlockall.test \
diff --git a/tests/mount.c b/tests/mount.c
new file mode 100644
index 00000000..cbfe42f8
--- /dev/null
+++ b/tests/mount.c
@@ -0,0 +1,84 @@
+/*
+ * Check decoding of mount syscall.
+ *
+ * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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 "tests.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mount.h>
+
+#ifndef MS_MGC_VAL
+# define MS_MGC_VAL 0xC0ED0000
+#endif
+
+#ifndef MS_RELATIME
+# define MS_RELATIME (1ul << 21)
+#endif
+
+#define str_ro_nosuid_nodev_noexec "MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC"
+
+int
+main(void)
+{
+	static const char source[] = "mount_source";
+	static const char target[] = "mount_target";
+	static const char fstype[] = "mount_fstype";
+	static const char data[] = "mount_data";
+
+	int rc = mount(source, target, fstype, 15, data);
+	printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
+	       source, target, fstype, str_ro_nosuid_nodev_noexec,
+	       data, rc, errno2name());
+
+	rc = mount(source, target, fstype, MS_RELATIME | 15, data);
+	printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
+	       source, target, fstype,
+	       str_ro_nosuid_nodev_noexec "|MS_RELATIME",
+	       data, rc, errno2name());
+
+	rc = mount(source, target, fstype, MS_MGC_VAL, data);
+	printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
+	       source, target, fstype, "MS_MGC_VAL", data, rc, errno2name());
+
+	rc = mount(source, target, fstype, MS_MGC_VAL | 15, data);
+	printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
+	       source, target, fstype,
+	       "MS_MGC_VAL|" str_ro_nosuid_nodev_noexec,
+	       data, rc, errno2name());
+
+	rc = mount(source, target, fstype, MS_REMOUNT, data);
+	printf("mount(\"%s\", \"%s\", %p, %s, \"%s\") = %d %s (%m)\n",
+	       source, target, fstype, "MS_REMOUNT", data, rc, errno2name());
+
+	rc = mount(source, target, fstype, MS_BIND, data);
+	printf("mount(\"%s\", \"%s\", %p, %s, %p) = %d %s (%m)\n",
+	       source, target, fstype, "MS_BIND", data, rc, errno2name());
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
diff --git a/tests/mount.test b/tests/mount.test
new file mode 100755
index 00000000..40fdca95
--- /dev/null
+++ b/tests/mount.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of mount syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff