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-rw-r--r--src/test/test-fs-util.c104
1 files changed, 91 insertions, 13 deletions
diff --git a/src/test/test-fs-util.c b/src/test/test-fs-util.c
index 467a7cb9d..0edb259f8 100644
--- a/src/test/test-fs-util.c
+++ b/src/test/test-fs-util.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
@@ -34,7 +35,7 @@
static void test_chase_symlinks(void) {
_cleanup_free_ char *result = NULL;
char temp[] = "/tmp/test-chase.XXXXXX";
- const char *top, *p, *q;
+ const char *top, *p, *pslash, *q, *qslash;
int r;
assert_se(mkdtemp(temp));
@@ -65,93 +66,134 @@ static void test_chase_symlinks(void) {
r = chase_symlinks(p, NULL, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, "/usr"));
+ result = mfree(result);
+ pslash = strjoina(p, "/");
+ r = chase_symlinks(pslash, NULL, 0, &result);
+ assert_se(r > 0);
+ assert_se(path_equal(result, "/usr/"));
result = mfree(result);
+
r = chase_symlinks(p, temp, 0, &result);
assert_se(r == -ENOENT);
+ r = chase_symlinks(pslash, temp, 0, &result);
+ assert_se(r == -ENOENT);
+
q = strjoina(temp, "/usr");
r = chase_symlinks(p, temp, CHASE_NONEXISTENT, &result);
assert_se(r == 0);
assert_se(path_equal(result, q));
+ result = mfree(result);
- assert_se(mkdir(q, 0700) >= 0);
+ qslash = strjoina(q, "/");
+ r = chase_symlinks(pslash, temp, CHASE_NONEXISTENT, &result);
+ assert_se(r == 0);
+ assert_se(path_equal(result, qslash));
result = mfree(result);
+
+ assert_se(mkdir(q, 0700) >= 0);
+
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, q));
+ result = mfree(result);
+
+ r = chase_symlinks(pslash, temp, 0, &result);
+ assert_se(r > 0);
+ assert_se(path_equal(result, qslash));
+ result = mfree(result);
p = strjoina(temp, "/slash");
assert_se(symlink("/", p) >= 0);
- result = mfree(result);
r = chase_symlinks(p, NULL, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, "/"));
-
result = mfree(result);
+
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, temp));
+ result = mfree(result);
/* Paths that would "escape" outside of the "root" */
p = strjoina(temp, "/6dots");
assert_se(symlink("../../..", p) >= 0);
- result = mfree(result);
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0 && path_equal(result, temp));
+ result = mfree(result);
p = strjoina(temp, "/6dotsusr");
assert_se(symlink("../../../usr", p) >= 0);
- result = mfree(result);
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0 && path_equal(result, q));
+ result = mfree(result);
p = strjoina(temp, "/top/8dotsusr");
assert_se(symlink("../../../../usr", p) >= 0);
- result = mfree(result);
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0 && path_equal(result, q));
+ result = mfree(result);
/* Paths that contain repeated slashes */
p = strjoina(temp, "/slashslash");
assert_se(symlink("///usr///", p) >= 0);
- result = mfree(result);
r = chase_symlinks(p, NULL, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, "/usr"));
-
result = mfree(result);
+
r = chase_symlinks(p, temp, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, q));
+ result = mfree(result);
/* Paths using . */
- result = mfree(result);
r = chase_symlinks("/etc/./.././", NULL, 0, &result);
assert_se(r > 0);
assert_se(path_equal(result, "/"));
-
result = mfree(result);
+
r = chase_symlinks("/etc/./.././", "/etc", 0, &result);
assert_se(r > 0 && path_equal(result, "/etc"));
+ result = mfree(result);
+
+ r = chase_symlinks("/../.././//../../etc", NULL, 0, &result);
+ assert_se(r > 0);
+ assert_se(streq(result, "/etc"));
+ result = mfree(result);
+ r = chase_symlinks("/../.././//../../test-chase.fsldajfl", NULL, CHASE_NONEXISTENT, &result);
+ assert_se(r == 0);
+ assert_se(streq(result, "/test-chase.fsldajfl"));
result = mfree(result);
+
+ r = chase_symlinks("/../.././//../../etc", "/", CHASE_PREFIX_ROOT, &result);
+ assert_se(r > 0);
+ assert_se(streq(result, "/etc"));
+ result = mfree(result);
+
+ r = chase_symlinks("/../.././//../../test-chase.fsldajfl", "/", CHASE_PREFIX_ROOT|CHASE_NONEXISTENT, &result);
+ assert_se(r == 0);
+ assert_se(streq(result, "/test-chase.fsldajfl"));
+ result = mfree(result);
+
r = chase_symlinks("/etc/machine-id/foo", NULL, 0, &result);
assert_se(r == -ENOTDIR);
+ result = mfree(result);
/* Path that loops back to self */
- result = mfree(result);
p = strjoina(temp, "/recursive-symlink");
assert_se(symlink("recursive-symlink", p) >= 0);
r = chase_symlinks(p, NULL, 0, &result);
@@ -220,8 +262,9 @@ static void test_readlink_and_make_absolute(void) {
char name2[] = "test-readlink_and_make_absolute/original";
char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
char *r = NULL;
+ _cleanup_free_ char *pwd = NULL;
- assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
+ assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid(), false) >= 0);
assert_se(touch(name) >= 0);
assert_se(symlink(name, name_alias) >= 0);
@@ -230,6 +273,8 @@ static void test_readlink_and_make_absolute(void) {
free(r);
assert_se(unlink(name_alias) >= 0);
+ assert_se(pwd = get_current_dir_name());
+
assert_se(chdir(tempdir) >= 0);
assert_se(symlink(name2, name_alias) >= 0);
assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
@@ -237,6 +282,8 @@ static void test_readlink_and_make_absolute(void) {
free(r);
assert_se(unlink(name_alias) >= 0);
+ assert_se(chdir(pwd) >= 0);
+
assert_se(rm_rf(tempdir, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
}
@@ -317,6 +364,34 @@ static void test_dot_or_dot_dot(void) {
assert_se(!dot_or_dot_dot("..foo"));
}
+#if 0 /// Uses functions that elogind does not need
+static void test_access_fd(void) {
+ _cleanup_(rmdir_and_freep) char *p = NULL;
+ _cleanup_close_ int fd = -1;
+
+ assert_se(mkdtemp_malloc("/tmp/access-fd.XXXXXX", &p) >= 0);
+
+ fd = open(p, O_RDONLY|O_DIRECTORY|O_CLOEXEC);
+ assert_se(fd >= 0);
+
+ assert_se(access_fd(fd, R_OK) >= 0);
+ assert_se(access_fd(fd, F_OK) >= 0);
+ assert_se(access_fd(fd, W_OK) >= 0);
+
+ assert_se(fchmod(fd, 0000) >= 0);
+
+ assert_se(access_fd(fd, F_OK) >= 0);
+
+ if (geteuid() == 0) {
+ assert_se(access_fd(fd, R_OK) >= 0);
+ assert_se(access_fd(fd, W_OK) >= 0);
+ } else {
+ assert_se(access_fd(fd, R_OK) == -EACCES);
+ assert_se(access_fd(fd, W_OK) == -EACCES);
+ }
+}
+#endif // 0
+
int main(int argc, char *argv[]) {
test_unlink_noerrno();
test_get_files_in_directory();
@@ -326,6 +401,9 @@ int main(int argc, char *argv[]) {
#endif // 0
test_chase_symlinks();
test_dot_or_dot_dot();
+#if 0 /// Uses functions that elogind does not need
+ test_access_fd();
+#endif // 0
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 20:16:35 +0000