s4:torture: add SMB2 test for directory creation initial allocation size

Test that directory creation with an initial allocation size > 0
succeeds.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=11684

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Sun Jan 24 01:20:52 CET 2016 on sn-devel-144

diff --git a/source4/torture/smb2/create.c b/source4/torture/smb2/create.c
index 68dbbc1f27cfb6300862db9e7c2035d0bf99d35a..1275aa81cda42a0cbf7c8eaaedf773b57897ee58 100644 (file)
--- a/source4/torture/smb2/create.c
+++ b/source4/torture/smb2/create.c
@@ -1666,6 +1666,69 @@ done:
        return ret;
 }
 
+/*
+  test directory creation with an initial allocation size > 0
+*/
+static bool test_dir_alloc_size(struct torture_context *tctx,
+                               struct smb2_tree *tree)
+{
+       bool ret = true;
+       const char *dname = DNAME "\\torture_alloc_size.dir";
+       NTSTATUS status;
+       struct smb2_create c;
+       struct smb2_handle h1 = {{0}}, h2;
+
+       torture_comment(tctx, "Checking initial allocation size on directories\n");
+
+       smb2_deltree(tree, dname);
+
+       status = torture_smb2_testdir(tree, DNAME, &h1);
+       torture_assert_ntstatus_ok_goto(tctx, status, ret, done, "torture_smb2_testdir failed");
+
+       ZERO_STRUCT(c);
+       c.in.create_disposition = NTCREATEX_DISP_CREATE;
+       c.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED;
+       c.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
+       c.in.share_access = NTCREATEX_SHARE_ACCESS_NONE;
+       c.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
+       c.in.fname = dname;
+       /*
+        * An insanely large value so we can check the value is
+        * ignored: Samba either returns 0 (current behaviour), or,
+        * once vfswrap_get_alloc_size() is fixed to allow retrieving
+        * the allocated size for directories, returns
+        * smb_roundup(..., stat.st_size) which would be 1 MB by
+        * default.
+        *
+        * Windows returns 0 for emtpy directories, once directories
+        * have a few entries it starts replying with values > 0.
+        */
+       c.in.alloc_size = 1024*1024*1024;
+
+       status = smb2_create(tree, tctx, &c);
+       h2 = c.out.file.handle;
+       torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
+                                       "dir create with initial alloc size failed");
+
+       smb2_util_close(tree, h2);
+
+       torture_comment(tctx, "Got directory alloc size: %ju\n", (uintmax_t)c.out.alloc_size);
+
+       /*
+        * See above for the rational for this test
+        */
+       if (c.out.alloc_size > 1024*1024) {
+               torture_fail_goto(tctx, done, talloc_asprintf(tctx, "bad alloc size: %ju",
+                                                             (uintmax_t)c.out.alloc_size));
+       }
+
+done:
+       if (!smb2_util_handle_empty(h1)) {
+               smb2_util_close(tree, h1);
+       }
+       smb2_deltree(tree, DNAME);
+       return ret;
+}
 
 /*
    basic testing of SMB2 read
@@ -1686,6 +1749,7 @@ struct torture_suite *torture_smb2_create_init(void)
        torture_suite_add_1smb2_test(suite, "acldir", test_create_acl_dir);
        torture_suite_add_1smb2_test(suite, "nulldacl", test_create_null_dacl);
        torture_suite_add_1smb2_test(suite, "mkdir-dup", test_mkdir_dup);
+       torture_suite_add_1smb2_test(suite, "dir-alloc-size", test_dir_alloc_size);
 
        suite->description = talloc_strdup(suite, "SMB2-CREATE tests");