1 files changed, 216 insertions, 0 deletions

diff --git a/src/regress/lib/libc/sys/t_access.c b/src/regress/lib/libc/sys/t_access.c
new file mode 100644
index 0000000000..33888c7039
--- /dev/null
+++ b/src/regress/lib/libc/sys/t_access.c
@@ -0,0 +1,216 @@
+/*      $OpenBSD: t_access.c,v 1.1.1.1 2019/11/19 19:57:03 bluhm Exp $  */
+/* $NetBSD: t_access.c,v 1.2 2017/01/10 22:36:29 christos Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include "macros.h"
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_access.c,v 1.2 2017/01/10 22:36:29 christos Exp $");
+
+#include "atf-c.h"
+
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static const char path[] = "access";
+static const int mode[4] = { R_OK, W_OK, X_OK, F_OK };
+
+ATF_TC_WITH_CLEANUP(access_access);
+ATF_TC_HEAD(access_access, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for EACCES");
+        atf_tc_set_md_var(tc, "require.user", "unprivileged");
+}
+
+ATF_TC_BODY(access_access, tc)
+{
+        const int perm[3] = { 0200, 0400, 0000 };
+        size_t i;
+        int fd;
+
+        fd = open(path, O_RDONLY | O_CREAT);
+
+        if (fd < 0)
+                return;
+
+        for (i = 0; i < __arraycount(mode) - 1; i++) {
+
+                ATF_REQUIRE(fchmod(fd, perm[i]) == 0);
+
+                errno = 0;
+
+                ATF_REQUIRE(access(path, mode[i]) != 0);
+                ATF_REQUIRE(errno == EACCES);
+        }
+
+        ATF_REQUIRE(close(fd) == 0);
+}
+
+ATF_TC_CLEANUP(access_access, tc)
+{
+        (void)unlink(path);
+}
+
+ATF_TC(access_fault);
+ATF_TC_HEAD(access_fault, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for EFAULT");
+}
+
+ATF_TC_BODY(access_fault, tc)
+{
+        size_t i;
+
+        for (i = 0; i < __arraycount(mode); i++) {
+
+                errno = 0;
+
+                ATF_REQUIRE(access(NULL, mode[i]) != 0);
+                ATF_REQUIRE(errno == EFAULT);
+
+                errno = 0;
+
+                ATF_REQUIRE(access((char *)-1, mode[i]) != 0);
+                ATF_REQUIRE(errno == EFAULT);
+        }
+}
+
+ATF_TC(access_inval);
+ATF_TC_HEAD(access_inval, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for EINVAL");
+}
+
+ATF_TC_BODY(access_inval, tc)
+{
+
+        errno = 0;
+
+        ATF_REQUIRE(access("/usr", -1) != 0);
+        ATF_REQUIRE(errno == EINVAL);
+}
+
+ATF_TC(access_notdir);
+ATF_TC_HEAD(access_notdir, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOTDIR");
+}
+
+ATF_TC_BODY(access_notdir, tc)
+{
+        size_t i;
+
+        for (i = 0; i < __arraycount(mode); i++) {
+
+                errno = 0;
+
+                /*
+                 *  IEEE Std 1003.1-2008 about ENOTDIR:
+                 *
+                 *  "A component of the path prefix is not a directory,
+                 *   or the path argument contains at least one non-<slash>
+                 *   character and ends with one or more trailing <slash>
+                 *   characters and the last pathname component names an
+                 *   existing file that is neither a directory nor a symbolic
+                 *   link to a directory."
+                 */
+                ATF_REQUIRE(access("/etc/passwd//", mode[i]) != 0);
+                ATF_REQUIRE(errno == ENOTDIR);
+        }
+}
+
+ATF_TC(access_notexist);
+ATF_TC_HEAD(access_notexist, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOENT");
+}
+
+ATF_TC_BODY(access_notexist, tc)
+{
+        size_t i;
+
+        for (i = 0; i < __arraycount(mode); i++) {
+
+                errno = 0;
+
+                ATF_REQUIRE(access("", mode[i]) != 0);
+                ATF_REQUIRE(errno == ENOENT);
+        }
+}
+
+ATF_TC(access_toolong);
+ATF_TC_HEAD(access_toolong, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test access(2) for ENAMETOOLONG");
+}
+
+ATF_TC_BODY(access_toolong, tc)
+{
+        char *buf;
+        size_t i;
+
+        buf = malloc(PATH_MAX);
+
+        if (buf == NULL)
+                return;
+
+        for (i = 0; i < PATH_MAX; i++)
+                buf[i] = 'x';
+
+        for (i = 0; i < __arraycount(mode); i++) {
+
+                errno = 0;
+
+                ATF_REQUIRE(access(buf, mode[i]) != 0);
+                ATF_REQUIRE(errno == ENAMETOOLONG);
+        }
+
+        free(buf);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+        ATF_TP_ADD_TC(tp, access_access);
+        ATF_TP_ADD_TC(tp, access_fault);
+        ATF_TP_ADD_TC(tp, access_inval);
+        ATF_TP_ADD_TC(tp, access_notdir);
+        ATF_TP_ADD_TC(tp, access_notexist);
+        ATF_TP_ADD_TC(tp, access_toolong);
+
+        return atf_no_error();
+}