Ensure there is at least one corpus file for mqtt

Author: cmeister2

.gitignore

@@ -38,10 +38,14 @@ missing
 /curl_fuzzer_gopher_seed_corpus.zip
 /curl_fuzzer_http
 /curl_fuzzer_http_seed_corpus.zip
+/curl_fuzzer_https
+/curl_fuzzer_https_seed_corpus.zip
 /curl_fuzzer_imap
 /curl_fuzzer_imap_seed_corpus.zip
 /curl_fuzzer_ldap
 /curl_fuzzer_ldap_seed_corpus.zip
+/curl_fuzzer_mqtt
+/curl_fuzzer_mqtt_seed_corpus.zip
 /curl_fuzzer_pop3
 /curl_fuzzer_pop3_seed_corpus.zip
 /curl_fuzzer_rtmp

corpora/curl_fuzzer_mqtt/test_dummy

@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2017, Daniel Stenberg, <[email protected]>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+"""Module for extracting test data from the test data folder"""
+
+from __future__ import (absolute_import, division, print_function,
+                        unicode_literals)
+import os
+import re
+import logging
+
+log = logging.getLogger(__name__)
+
+
+REPLY_DATA = re.compile("<reply>\s*<data>(.*?)</data>", re.MULTILINE | re.DOTALL)
+
+
+class TestData(object):
+    def __init__(self, data_folder):
+        self.data_folder = data_folder
+
+    def get_test_data(self, test_number):
+        # Create the test file name
+        filename = os.path.join(self.data_folder,
+                                "test{0}".format(test_number))
+
+        log.debug("Parsing file %s", filename)
+
+        with open(filename, "rb") as f:
+            contents = f.read().decode("utf-8")
+
+        m = REPLY_DATA.search(contents)
+        if not m:
+            raise Exception("Couldn't find a <reply><data> section")
+
+        # Left-strip the data so we don't get a newline before our data.
+        return m.group(1).lstrip()
+
+
+if __name__ == '__main__':
+    td = TestData("./data")
+    data = td.get_test_data(1)
+    print(data)