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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
Copyright © 2014 Michael Marineau
***/
#include <stdarg.h>
#include <stdio.h>
#include "alloc-util.h"
#include "conf-files.h"
#include "fileio.h"
#include "fs-util.h"
#include "macro.h"
#include "mkdir.h"
#include "parse-util.h"
#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "strv.h"
#include "user-util.h"
#include "util.h"
static void setup_test_dir(char *tmp_dir, const char *files, ...) {
va_list ap;
assert_se(mkdtemp(tmp_dir));
va_start(ap, files);
while (files) {
_cleanup_free_ char *path;
assert_se(path = strappend(tmp_dir, files));
(void) mkdir_parents(path, 0755);
assert_se(write_string_file(path, "foobar", WRITE_STRING_FILE_CREATE) >= 0);
files = va_arg(ap, const char *);
}
va_end(ap);
}
static void test_conf_files_list(bool use_root) {
char tmp_dir[] = "/tmp/test-conf-files-XXXXXX";
_cleanup_strv_free_ char **found_files = NULL, **found_files2 = NULL;
const char *root_dir, *search_1, *search_2, *expect_a, *expect_b, *expect_c, *mask;
log_debug("/* %s(%s) */", __func__, yes_no(use_root));
setup_test_dir(tmp_dir,
"/dir1/a.conf",
"/dir2/a.conf",
"/dir2/b.conf",
"/dir2/c.foo",
"/dir2/d.conf",
NULL);
mask = strjoina(tmp_dir, "/dir1/d.conf");
assert_se(symlink("/dev/null", mask) >= 0);
if (use_root) {
root_dir = tmp_dir;
search_1 = "/dir1";
search_2 = "/dir2";
} else {
root_dir = NULL;
search_1 = strjoina(tmp_dir, "/dir1");
search_2 = strjoina(tmp_dir, "/dir2");
}
expect_a = strjoina(tmp_dir, "/dir1/a.conf");
expect_b = strjoina(tmp_dir, "/dir2/b.conf");
expect_c = strjoina(tmp_dir, "/dir2/c.foo");
log_debug("/* Check when filtered by suffix */");
assert_se(conf_files_list(&found_files, ".conf", root_dir, CONF_FILES_FILTER_MASKED, search_1, search_2, NULL) == 0);
strv_print(found_files);
assert_se(found_files);
assert_se(streq_ptr(found_files[0], expect_a));
assert_se(streq_ptr(found_files[1], expect_b));
assert_se(!found_files[2]);
log_debug("/* Check when unfiltered */");
assert_se(conf_files_list(&found_files2, NULL, root_dir, CONF_FILES_FILTER_MASKED, search_1, search_2, NULL) == 0);
strv_print(found_files2);
assert_se(found_files2);
assert_se(streq_ptr(found_files2[0], expect_a));
assert_se(streq_ptr(found_files2[1], expect_b));
assert_se(streq_ptr(found_files2[2], expect_c));
assert_se(!found_files2[3]);
assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
}
static void test_conf_files_insert(const char *root) {
_cleanup_strv_free_ char **s = NULL;
log_info("/* %s root=%s */", __func__, strempty(root));
char **dirs = STRV_MAKE("/dir1", "/dir2", "/dir3");
_cleanup_free_ const char
*foo1 = prefix_root(root, "/dir1/foo.conf"),
*foo2 = prefix_root(root, "/dir2/foo.conf"),
*bar2 = prefix_root(root, "/dir2/bar.conf"),
*zzz3 = prefix_root(root, "/dir3/zzz.conf"),
*whatever = prefix_root(root, "/whatever.conf");
assert_se(conf_files_insert(&s, root, dirs, "/dir2/foo.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(foo2)));
/* The same file again, https://github.com/systemd/systemd/issues/11124 */
assert_se(conf_files_insert(&s, root, dirs, "/dir2/foo.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(foo2)));
/* Lower priority → new entry is ignored */
assert_se(conf_files_insert(&s, root, dirs, "/dir3/foo.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(foo2)));
/* Higher priority → new entry replaces */
assert_se(conf_files_insert(&s, root, dirs, "/dir1/foo.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(foo1)));
/* Earlier basename */
assert_se(conf_files_insert(&s, root, dirs, "/dir2/bar.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(bar2, foo1)));
/* Later basename */
assert_se(conf_files_insert(&s, root, dirs, "/dir3/zzz.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(bar2, foo1, zzz3)));
/* All lower priority → all ignored */
assert_se(conf_files_insert(&s, root, dirs, "/dir3/zzz.conf") == 0);
assert_se(conf_files_insert(&s, root, dirs, "/dir2/bar.conf") == 0);
assert_se(conf_files_insert(&s, root, dirs, "/dir3/bar.conf") == 0);
assert_se(conf_files_insert(&s, root, dirs, "/dir2/foo.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(bar2, foo1, zzz3)));
/* Two entries that don't match any of the directories, but match basename */
assert_se(conf_files_insert(&s, root, dirs, "/dir4/zzz.conf") == 0);
assert_se(conf_files_insert(&s, root, dirs, "/zzz.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(bar2, foo1, zzz3)));
/* An entry that doesn't match any of the directories, no match at all */
assert_se(conf_files_insert(&s, root, dirs, "/whatever.conf") == 0);
assert_se(strv_equal(s, STRV_MAKE(bar2, foo1, whatever, zzz3)));
}
int main(int argc, char **argv) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
test_conf_files_list(false);
test_conf_files_list(true);
test_conf_files_insert(NULL);
test_conf_files_insert("/root");
test_conf_files_insert("/root/");
return 0;
}
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