smbtorture4 test for bug #7928 - Samba problems with kernel oplocks option set to...

diff --git a/source4/torture/raw/oplock.c b/source4/torture/raw/oplock.c
index 962235cdcd645de0061409f2d7cb65585c47325e..b120dad85b17c42f3aa7f770d51e027e91aa2650 100644 (file)
--- a/source4/torture/raw/oplock.c
+++ b/source4/torture/raw/oplock.c
@@ -3855,6 +3855,100 @@ done:
        return ret;
 }
 
+/*
+ * Open a file with an exclusive oplock from the 1st client and acquire a
+ * brl. Then open the same file from the 2nd client that should give oplock
+ * break with level2 to the 1st and return no oplock to the 2nd.
+ */
+static bool test_raw_oplock_brl4(struct torture_context *tctx,
+                                struct smbcli_state *cli1,
+                                struct smbcli_state *cli2)
+{
+       const char *fname = BASEDIR "\\test_batch_brl.dat";
+       bool ret = true;
+       uint8_t buf[1000];
+       bool correct = true;
+       union smb_open io;
+       NTSTATUS status;
+       uint16_t fnum = 0;
+       uint16_t fnum2 = 0;
+
+       if (!torture_setup_dir(cli1, BASEDIR)) {
+               return false;
+       }
+
+       /* cleanup */
+       smbcli_unlink(cli1->tree, fname);
+
+       smbcli_oplock_handler(cli1->transport, oplock_handler_ack_to_given,
+                             cli1->tree);
+
+       /*
+         base ntcreatex parms
+       */
+       io.generic.level = RAW_OPEN_NTCREATEX;
+       io.ntcreatex.in.root_fid.fnum = 0;
+       io.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_READ |
+                                     SEC_RIGHTS_FILE_WRITE;
+       io.ntcreatex.in.alloc_size = 0;
+       io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
+       io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ |
+                                      NTCREATEX_SHARE_ACCESS_WRITE;
+       io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
+       io.ntcreatex.in.create_options = 0;
+       io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
+       io.ntcreatex.in.security_flags = 0;
+       io.ntcreatex.in.fname = fname;
+
+       torture_comment(tctx, "open with exclusive oplock\n");
+       io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
+               NTCREATEX_FLAGS_REQUEST_OPLOCK;
+
+       status = smb_raw_open(cli1->tree, tctx, &io);
+
+       CHECK_STATUS(tctx, status, NT_STATUS_OK);
+       fnum = io.ntcreatex.out.file.fnum;
+       CHECK_VAL(io.ntcreatex.out.oplock_level, EXCLUSIVE_OPLOCK_RETURN);
+
+       /* create a file with bogus data */
+       memset(buf, 0, sizeof(buf));
+
+       if (smbcli_write(cli1->tree, fnum, 0, buf, 0, sizeof(buf)) !=
+                        sizeof(buf))
+       {
+               torture_comment(tctx, "Failed to create file\n");
+               correct = false;
+               goto done;
+       }
+
+       status = smbcli_lock(cli1->tree, fnum, 0, 1, 0, WRITE_LOCK);
+       CHECK_STATUS(tctx, status, NT_STATUS_OK);
+
+       torture_comment(tctx, "a 2nd open should give a break to the 1st\n");
+       ZERO_STRUCT(break_info);
+
+       status = smb_raw_open(cli2->tree, tctx, &io);
+
+       CHECK_STATUS(tctx, status, NT_STATUS_OK);
+       CHECK_VAL(break_info.count, 1);
+       CHECK_VAL(break_info.level, OPLOCK_BREAK_TO_LEVEL_II);
+       CHECK_VAL(break_info.failures, 0);
+       CHECK_VAL(break_info.fnum, fnum);
+
+       torture_comment(tctx, "and return no oplock to the 2nd\n");
+       fnum2 = io.ntcreatex.out.file.fnum;
+       CHECK_VAL(io.ntcreatex.out.oplock_level, NO_OPLOCK_RETURN);
+
+       smbcli_close(cli1->tree, fnum);
+       smbcli_close(cli2->tree, fnum2);
+
+done:
+       smb_raw_exit(cli1->session);
+       smb_raw_exit(cli2->session);
+       smbcli_deltree(cli1->tree, BASEDIR);
+       return ret;
+}
+
 /*
    basic testing of oplocks
 */
@@ -3900,6 +3994,7 @@ struct torture_suite *torture_raw_oplock(TALLOC_CTX *mem_ctx)
        torture_suite_add_2smb_test(suite, "brl1", test_raw_oplock_brl1);
        torture_suite_add_1smb_test(suite, "brl2", test_raw_oplock_brl2);
        torture_suite_add_1smb_test(suite, "brl3", test_raw_oplock_brl3);
+       torture_suite_add_2smb_test(suite, "brl4", test_raw_oplock_brl4);
 
        return suite;
 }