From ad57f1678e51eae42b2ae2679063b8ba0982038f Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 20 Oct 2016 11:32:28 -0700
Subject: [PATCH] Begin fuzzing framework

---
 test/core/support/BUILD        |  9 ++++++++
 test/core/util/BUILD           | 13 ++++++++---
 test/core/util/grpc_fuzzer.bzl | 42 ++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 3 deletions(-)
 create mode 100644 test/core/util/grpc_fuzzer.bzl

diff --git a/test/core/support/BUILD b/test/core/support/BUILD
index eee086d85e4..499bd0940fd 100644
--- a/test/core/support/BUILD
+++ b/test/core/support/BUILD
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+load("//test/core/util:grpc_fuzzer.bzl", "grpc_fuzzer")
+
 cc_test(
     name = "alloc_test",
     srcs = ["alloc_test.c"],
@@ -152,3 +154,10 @@ cc_test(
     srcs = ["useful_test.c"],
     deps = ["//:gpr", "//test/core/util:gpr_test_util"],
 )
+
+grpc_fuzzer(
+  name = "percent_encode_fuzzer",
+  srcs = ["percent_encode_fuzzer.c"],
+  deps = ["//:gpr"],
+  corpus = "percent_encode_corpus"
+)
diff --git a/test/core/util/BUILD b/test/core/util/BUILD
index 79e6cfbeeba..82207913ef1 100644
--- a/test/core/util/BUILD
+++ b/test/core/util/BUILD
@@ -4,9 +4,11 @@ cc_library(
     name = "gpr_test_util",
     srcs = [
         "test_config.c",
+        "memory_counters.c",
     ],
     hdrs = [
         "test_config.h",
+        "memory_counters.h",
     ],
     deps = ["//:gpr"],
     visibility = ["//:__subpackages__"],
@@ -16,7 +18,6 @@ cc_library(
     name = "grpc_test_util",
     srcs = [
         "grpc_profiler.c",
-        "memory_counters.c",
         "mock_endpoint.c",
         "parse_hexstring.c",
         "passthru_endpoint.c",
@@ -29,7 +30,6 @@ cc_library(
     ],
     hdrs = [
         "grpc_profiler.h",
-        "memory_counters.h",
         "mock_endpoint.h",
         "parse_hexstring.h",
         "passthru_endpoint.h",
@@ -40,5 +40,12 @@ cc_library(
         "test_tcp_server.h",
     ],
     deps = [":gpr_test_util", "//:grpc"],
-    visibility = ["//:__subpackages__"],
+    visibility = ["//test:__subpackages__"],
+)
+
+cc_library(
+  name = "one_corpus_entry_fuzzer",
+  srcs = ["one_corpus_entry_fuzzer.c"],
+  deps = [":gpr_test_util", "//:grpc"],
+  visibility = ["//test:__subpackages__"],
 )
diff --git a/test/core/util/grpc_fuzzer.bzl b/test/core/util/grpc_fuzzer.bzl
new file mode 100644
index 00000000000..1db3aa4234a
--- /dev/null
+++ b/test/core/util/grpc_fuzzer.bzl
@@ -0,0 +1,42 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+def grpc_fuzzer(name, corpus, srcs = [], deps = []):
+  native.cc_library(
+    name = "%s/one_entry" % name,
+    srcs = srcs,
+    deps = deps + ["//test/core/util:one_corpus_entry_fuzzer"],
+  )
+  for entry in native.glob(['%s/*' % corpus]):
+    native.cc_test(
+      name = '%s/one_entry/%s' % (name, entry),
+      deps = [':%s/one_entry' % name],
+      args = [entry],
+      data = [entry]
+    )