From: Volker Lendecke <vl@samba.org>
Date: Wed, 20 Sep 2023 17:53:52 +0000 (-0700)
Subject: tests: Add reproducer for BZ15481
X-Git-Tag: samba-4.18.7~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7de498a38d93411cb4810456b6bd42e9a5ead4ce;p=thirdparty%2Fsamba.git

tests: Add reproducer for BZ15481

Bug: https://bugzilla.samba.org/show_bug.cgi?id=15481

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from commit 56df75d44795582dcecb8676a0d80d6f4a46c7e9)
---

diff --git a/python/samba/tests/libsmb-basic.py b/python/samba/tests/libsmb-basic.py
index cbe7cce5bae..163c5b09ea9 100644
--- a/python/samba/tests/libsmb-basic.py
+++ b/python/samba/tests/libsmb-basic.py
@@ -215,6 +215,33 @@ class LibsmbTestCase(samba.tests.libsmb.LibsmbTests):
             c1.unlink("x")
             c1 = None
 
+    def test_gencache_pollution_bz15481(self):
+        c = libsmb.Conn(self.server_ip, "tmp", self.lp, self.creds)
+        fh = c.create("file",
+                      DesiredAccess=security.SEC_STD_DELETE,
+                      CreateDisposition=libsmb.FILE_CREATE)
+
+        # prime the gencache File->file
+        fh_upper = c.create("File",
+                            DesiredAccess=security.SEC_FILE_READ_ATTRIBUTE,
+                            CreateDisposition=libsmb.FILE_OPEN)
+        c.close(fh_upper)
+
+        c.delete_on_close(fh, 1)
+        c.close(fh)
+
+        fh = c.create("File",
+                      DesiredAccess=security.SEC_STD_DELETE,
+                      CreateDisposition=libsmb.FILE_CREATE)
+
+        directory = c.list("\\", "File")
+
+        c.delete_on_close(fh, 1)
+        c.close(fh)
+
+        # Without the bugfix for 15481 we get 'file' not 'File'
+        self.assertEqual(directory[0]['name'], 'File')
+
 if __name__ == "__main__":
     import unittest
     unittest.main()
diff --git a/selftest/knownfail.d/bug-15481 b/selftest/knownfail.d/bug-15481
new file mode 100644
index 00000000000..e4ca91c8d67
--- /dev/null
+++ b/selftest/knownfail.d/bug-15481
@@ -0,0 +1 @@
+^samba.tests.libsmb-basic.samba.tests.libsmb-basic.LibsmbTestCase.test_gencache_pollution_bz15481