[SCM] Samba Shared Repository - branch v4-12-test updated
Karolin Seeger
kseeger at samba.org
Mon Aug 17 12:45:02 UTC 2020
The branch, v4-12-test has been updated
via 492213aff41 util: Add cmocka unit test for directory_create_or_exists
via 0797eef2901 util: Allow symlinks in directory_create_or_exist
from 6b8d52984e5 VERSION: Bump version up to 4.12.7...
https://git.samba.org/?p=samba.git;a=shortlog;h=v4-12-test
- Log -----------------------------------------------------------------
commit 492213aff41e0ad0794f1b1fce0120d8991825c2
Author: Christof Schmitt <cs at samba.org>
Date: Fri Aug 14 12:18:51 2020 -0700
util: Add cmocka unit test for directory_create_or_exists
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14166
Signed-off-by: Christof Schmitt <cs at samba.org>
Reviewed-by: Volker Lendecke <vl at samba.org>
Autobuild-User(master): Volker Lendecke <vl at samba.org>
Autobuild-Date(master): Sun Aug 16 07:06:59 UTC 2020 on sn-devel-184
(cherry picked from commit e89ec78e9a262a6e7bb9082323083eb5f1609655)
Autobuild-User(v4-12-test): Karolin Seeger <kseeger at samba.org>
Autobuild-Date(v4-12-test): Mon Aug 17 12:44:53 UTC 2020 on sn-devel-184
commit 0797eef2901cc0b8d1fcc11f368285cfcf1b0400
Author: Christof Schmitt <cs at samba.org>
Date: Fri Aug 14 09:36:26 2020 -0700
util: Allow symlinks in directory_create_or_exist
Commit 9f60a77e0b updated the check to avoid having files or other
objects instead of a directory. This missed the valid case that there
might be a symlink to a directory. Updated the check accordingly to
allow symlinks to directories.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14166
Signed-off-by: Christof Schmitt <cs at samba.org>
Reviewed-by: Volker Lendecke <vl at samba.org>
(cherry picked from commit 672212cecdd7a7de40acdc81c56e2996ea82c090)
-----------------------------------------------------------------------
Summary of changes:
lib/util/tests/test_util.c | 234 +++++++++++++++++++++++++++++++++++++++++++++
lib/util/util.c | 18 +++-
lib/util/wscript_build | 6 ++
selftest/tests.py | 2 +
4 files changed, 258 insertions(+), 2 deletions(-)
create mode 100644 lib/util/tests/test_util.c
Changeset truncated at 500 lines:
diff --git a/lib/util/tests/test_util.c b/lib/util/tests/test_util.c
new file mode 100644
index 00000000000..eebba39e70c
--- /dev/null
+++ b/lib/util/tests/test_util.c
@@ -0,0 +1,234 @@
+/*
+ * Unix SMB/CIFS implementation.
+ *
+ * Unit test for util.c
+ *
+ * Copyright (C) Christof Schmitt 2020
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "lib/util/util.c"
+#include <cmocka.h>
+
+struct test_paths {
+ char testdir[PATH_MAX];
+ char none[PATH_MAX];
+ char dir[PATH_MAX];
+ mode_t dir_mode;
+ char file[PATH_MAX];
+ mode_t file_mode;
+ char symlink_none[PATH_MAX];
+ char symlink_dir[PATH_MAX];
+ char symlink_file[PATH_MAX];
+};
+
+static int group_setup(void **state)
+{
+ struct test_paths *paths = NULL;
+ char *testdir = NULL;
+ int ret, fd;
+
+ umask(0);
+
+ paths = malloc(sizeof(struct test_paths));
+ assert_non_null(paths);
+
+ strlcpy(paths->testdir, tmpdir(), sizeof(paths->testdir));
+ strlcat(paths->testdir, "/test_util_XXXXXX", sizeof(paths->testdir));
+ testdir = mkdtemp(paths->testdir);
+ assert_non_null(testdir);
+
+ strlcpy(paths->none, testdir, sizeof(paths->none));
+ strlcat(paths->none, "/none", sizeof(paths->none));
+
+ strlcpy(paths->dir, testdir, sizeof(paths->dir));
+ strlcat(paths->dir, "/dir", sizeof(paths->dir));
+ paths->dir_mode = 0750;
+ ret = mkdir(paths->dir, paths->dir_mode);
+ assert_return_code(ret, errno);
+
+ strlcpy(paths->file, testdir, sizeof(paths->file));
+ strlcat(paths->file, "/file", sizeof(paths->file));
+ paths->file_mode = 0640;
+ fd = creat(paths->file, paths->file_mode);
+ assert_return_code(fd, errno);
+ ret = close(fd);
+ assert_return_code(ret, errno);
+
+ strlcpy(paths->symlink_none, testdir, sizeof(paths->symlink_none));
+ strlcat(paths->symlink_none, "/symlink_none",
+ sizeof(paths->symlink_none));
+ ret = symlink("/none", paths->symlink_none);
+ assert_return_code(ret, errno);
+
+ strlcpy(paths->symlink_dir, testdir, sizeof(paths->symlink_dir));
+ strlcat(paths->symlink_dir, "/symlink_dir", sizeof(paths->symlink_dir));
+ ret = symlink(paths->dir, paths->symlink_dir);
+ assert_return_code(ret, errno);
+
+ strlcpy(paths->symlink_file, testdir, sizeof(paths->symlink_file));
+ strlcat(paths->symlink_file, "/symlink_file",
+ sizeof(paths->symlink_file));
+ ret = symlink(paths->file, paths->symlink_file);
+ assert_return_code(ret, errno);
+
+ *state = paths;
+
+ return 0;
+}
+
+static int group_teardown(void **state)
+{
+ struct test_paths *paths = *state;
+ int ret;
+
+ return 0;
+
+ ret = rmdir(paths->dir);
+ assert_return_code(ret, errno);
+
+ ret = unlink(paths->file);
+ assert_return_code(ret, errno);
+
+ ret = unlink(paths->symlink_none);
+ assert_return_code(ret, errno);
+
+ ret = unlink(paths->symlink_dir);
+ assert_return_code(ret, errno);
+
+ ret = unlink(paths->symlink_file);
+ assert_return_code(ret, errno);
+
+ ret = unlink(paths->testdir);
+ assert_return_code(ret, errno);
+
+ free(paths);
+ return 0;
+}
+
+static void test_directory_create_or_exists_none(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->none, 0775);
+ assert_true(b);
+
+ ret = lstat(paths->none, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, 0775);
+ assert_true(S_ISDIR(sbuf.st_mode));
+
+ ret = rmdir(paths->none);
+ assert_return_code(ret, errno);
+}
+
+static void test_directory_create_or_exists_dir(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->dir, 770);
+ assert_true(b);
+
+ ret = lstat(paths->dir, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, paths->dir_mode);
+ assert_true(S_ISDIR(sbuf.st_mode));
+}
+
+static void test_directory_create_or_exists_file(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->file, 770);
+ assert_false(b);
+
+ ret = lstat(paths->file, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, paths->file_mode);
+ assert_true(S_ISREG(sbuf.st_mode));
+}
+
+static void test_directory_create_or_exists_symlink_none(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->symlink_none, 770);
+ assert_false(b);
+
+ ret = lstat(paths->symlink_none, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, 0777);
+ assert_true(S_ISLNK(sbuf.st_mode));
+}
+
+static void test_directory_create_or_exists_symlink_dir(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->symlink_dir, 770);
+ assert_true(b);
+
+ ret = lstat(paths->symlink_dir, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, 0777);
+ assert_true(S_ISLNK(sbuf.st_mode));
+}
+
+static void test_directory_create_or_exists_symlink_file(void **state)
+{
+ struct test_paths *paths = *state;
+ bool b;
+ struct stat sbuf;
+ int ret;
+
+ b = directory_create_or_exist(paths->symlink_file, 770);
+ assert_false(b);
+
+ ret = lstat(paths->symlink_file, &sbuf);
+ assert_return_code(ret, errno);
+ assert_int_equal(sbuf.st_mode & 0777, 0777);
+ assert_true(S_ISLNK(sbuf.st_mode));
+}
+
+int main(int argc, char **argv)
+{
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test(test_directory_create_or_exists_none),
+ cmocka_unit_test(test_directory_create_or_exists_dir),
+ cmocka_unit_test(test_directory_create_or_exists_file),
+ cmocka_unit_test(test_directory_create_or_exists_symlink_none),
+ cmocka_unit_test(test_directory_create_or_exists_symlink_dir),
+ cmocka_unit_test(test_directory_create_or_exists_symlink_file),
+ };
+
+ cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
+
+ return cmocka_run_group_tests(tests, group_setup, group_teardown);
+}
diff --git a/lib/util/util.c b/lib/util/util.c
index 0d9ffe5cb7b..52fc61a3e81 100644
--- a/lib/util/util.c
+++ b/lib/util/util.c
@@ -339,6 +339,7 @@ _PUBLIC_ bool directory_exist(const char *dname)
/**
* Try to create the specified directory if it didn't exist.
+ * A symlink to a directory is also accepted as a valid existing directory.
*
* @retval true if the directory already existed
* or was successfully created.
@@ -372,9 +373,22 @@ _PUBLIC_ bool directory_create_or_exist(const char *dname,
return false;
}
- if (!S_ISDIR(sbuf.st_mode)) {
- return false;
+ if (S_ISDIR(sbuf.st_mode)) {
+ return true;
}
+
+ if (S_ISLNK(sbuf.st_mode)) {
+ ret = stat(dname, &sbuf);
+ if (ret != 0) {
+ return false;
+ }
+
+ if (S_ISDIR(sbuf.st_mode)) {
+ return true;
+ }
+ }
+
+ return false;
}
return true;
diff --git a/lib/util/wscript_build b/lib/util/wscript_build
index 608f7b3dd73..dbd5a6aa76c 100644
--- a/lib/util/wscript_build
+++ b/lib/util/wscript_build
@@ -294,3 +294,9 @@ else:
deps='cmocka replace talloc samba-util',
local_include=False,
for_selftest=True)
+
+ bld.SAMBA_BINARY('test_util',
+ source='tests/test_util.c',
+ deps='cmocka replace talloc samba-util',
+ local_include=False,
+ for_selftest=True);
diff --git a/selftest/tests.py b/selftest/tests.py
index b72a6fb65eb..554b19f4243 100644
--- a/selftest/tests.py
+++ b/selftest/tests.py
@@ -391,6 +391,8 @@ plantestsuite("samba.unittests.byteorder", "none",
[os.path.join(bindir(), "default/lib/util/test_byteorder")])
plantestsuite("samba.unittests.util_paths", "none",
[os.path.join(bindir(), "default/lib/util/test_util_paths")])
+plantestsuite("samba.unittests.util", "none",
+ [os.path.join(bindir(), "default/lib/util/test_util")])
plantestsuite("samba.unittests.ntlm_check", "none",
[os.path.join(bindir(), "default/libcli/auth/test_ntlm_check")])
plantestsuite("samba.unittests.gnutls", "none",
--
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