tests: move C test helpers into test cmd

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #13259
2026-05-24 19:28:53 +03:00 · 2022-03-22 20:09:35 +01:00
parent 1948f6dbbf
commit 20093de25c
55 changed files with 103 additions and 216 deletions
@@ -0,0 +1,72 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2021 iXsystems, Inc.
+ *
+ * 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
+ * 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.
+ *
+ * Test for correct behavior of DOS mode READONLY flag on a file.
+ * We should be able to open a file RW, set READONLY, and still write to the fd.
+ */
+
+#include <sys/stat.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef __linux__
+#include <stdint.h>
+#include <sys/fs/zfs.h>
+#endif
+
+int
+main(int argc, const char *argv[])
+{
+	const char *buf = "We should be allowed to write this to the fd.\n";
+	const char *path;
+	int fd;
+
+	if (argc != 2) {
+		fprintf(stderr, "usage: %s PATH\n", argv[0]);
+		return (EXIT_FAILURE);
+	}
+	path = argv[1];
+	fd = open(path, O_CREAT|O_RDWR, 0777);
+	if (fd == -1)
+		err(EXIT_FAILURE, "%s: open failed", path);
+#ifdef __linux__
+	uint64_t dosflags = ZFS_READONLY;
+	if (ioctl(fd, ZFS_IOC_SETDOSFLAGS, &dosflags) == -1)
+		err(EXIT_FAILURE, "%s: ZFS_IOC_SETDOSFLAGS failed", path);
+#else
+	if (chflags(path, UF_READONLY) == -1)
+		err(EXIT_FAILURE, "%s: chflags failed", path);
+#endif
+	if (write(fd, buf, strlen(buf)) == -1)
+		err(EXIT_FAILURE, "%s: write failed", path);
+	if (close(fd) == -1)
+		err(EXIT_FAILURE, "%s: close failed", path);
+	return (EXIT_SUCCESS);
+}