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-rw-r--r--src/test/test-fs-util.c96
1 files changed, 95 insertions, 1 deletions
diff --git a/src/test/test-fs-util.c b/src/test/test-fs-util.c
index b35a2ea2c8..53a3cdc663 100644
--- a/src/test/test-fs-util.c
+++ b/src/test/test-fs-util.c
@@ -20,16 +20,109 @@
#include <unistd.h>
#include "alloc-util.h"
-#include "fileio.h"
#include "fd-util.h"
+#include "fileio.h"
#include "fs-util.h"
#include "macro.h"
#include "mkdir.h"
+#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"
+static void test_chase_symlinks(void) {
+ _cleanup_free_ char *result = NULL;
+ char temp[] = "/tmp/test-chase.XXXXXX";
+ const char *top, *p, *q;
+ int r;
+
+ assert_se(mkdtemp(temp));
+
+ top = strjoina(temp, "/top");
+ assert_se(mkdir(top, 0700) >= 0);
+
+ p = strjoina(top, "/dot");
+ assert_se(symlink(".", p) >= 0);
+
+ p = strjoina(top, "/dotdot");
+ assert_se(symlink("..", p) >= 0);
+
+ p = strjoina(top, "/dotdota");
+ assert_se(symlink("../a", p) >= 0);
+
+ p = strjoina(temp, "/a");
+ assert_se(symlink("b", p) >= 0);
+
+ p = strjoina(temp, "/b");
+ assert_se(symlink("/usr", p) >= 0);
+
+ p = strjoina(temp, "/start");
+ assert_se(symlink("top/dot/dotdota", p) >= 0);
+
+ r = chase_symlinks(p, NULL, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, "/usr"));
+
+ result = mfree(result);
+ r = chase_symlinks(p, temp, &result);
+ assert_se(r == -ENOENT);
+
+ q = strjoina(temp, "/usr");
+ assert_se(mkdir(q, 0700) >= 0);
+
+ r = chase_symlinks(p, temp, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, q));
+
+ p = strjoina(temp, "/slash");
+ assert_se(symlink("/", p) >= 0);
+
+ result = mfree(result);
+ r = chase_symlinks(p, NULL, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, "/"));
+
+ result = mfree(result);
+ r = chase_symlinks(p, temp, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, temp));
+
+ p = strjoina(temp, "/slashslash");
+ assert_se(symlink("///usr///", p) >= 0);
+
+ result = mfree(result);
+ r = chase_symlinks(p, NULL, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, "/usr"));
+
+ result = mfree(result);
+ r = chase_symlinks(p, temp, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, q));
+
+ result = mfree(result);
+ r = chase_symlinks("/etc/./.././", NULL, &result);
+ assert_se(r >= 0);
+ assert_se(path_equal(result, "/"));
+
+ result = mfree(result);
+ r = chase_symlinks("/etc/./.././", "/etc", &result);
+ assert_se(r == -EINVAL);
+
+ result = mfree(result);
+ r = chase_symlinks("/etc/machine-id/foo", NULL, &result);
+ assert_se(r == -ENOTDIR);
+
+ result = mfree(result);
+ p = strjoina(temp, "/recursive-symlink");
+ assert_se(symlink("recursive-symlink", p) >= 0);
+ r = chase_symlinks(p, NULL, &result);
+ assert_se(r == -ELOOP);
+
+ assert_se(rm_rf(temp, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+}
+
static void test_unlink_noerrno(void) {
char name[] = "/tmp/test-close_nointr.XXXXXX";
int fd;
@@ -144,6 +237,7 @@ int main(int argc, char *argv[]) {
test_readlink_and_make_absolute();
test_get_files_in_directory();
test_var_tmp();
+ test_chase_symlinks();
return 0;
}