1 files changed, 66 insertions, 0 deletions
diff --git a/projects/tidy-html5/tidy_xml_fuzzer.c b/projects/tidy-html5/tidy_xml_fuzzer.c
new file mode 100644
index 000000000..c40551193
--- /dev/null
+++ b/projects/tidy-html5/tidy_xml_fuzzer.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <sys/types.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include "tidy.h"
+#include "tidybuffio.h"
+#include "tidyenum.h"
+#include "tidyplatform.h"
+
+void TidyXml(char *fuzz_inp, TidyBuffer *toutput,
+             TidyBuffer *terror) {
+  TidyDoc tdoc = tidyCreate();
+  tidyBufClear(toutput);
+  tidyBufClear(terror);
+  if (tidyOptSetBool(tdoc, TidyXmlOut, yes)) {
+    tidySetCharEncoding(tdoc, "utf8");
+    tidySetErrorBuffer(tdoc, terror);
+    tidyOptSetInt(tdoc, TidyWrapLen, 0);
+    tidyOptSetBool(tdoc, TidyXmlTags, yes);
+    tidyOptSetBool(tdoc, TidyQuoteNbsp, no);
+    tidyOptSetBool(tdoc, TidyNumEntities, yes);
+    tidyOptSetBool(tdoc, TidyQuiet, yes);
+    tidyOptSetBool(tdoc, TidyMark, no);
+    tidyOptSetBool(tdoc, TidyShowWarnings, no);
+    tidyParseString(tdoc, fuzz_inp);
+    tidyCleanAndRepair(tdoc);
+    tidyRunDiagnostics(tdoc);
+    tidySaveBuffer(tdoc, toutput);
+  }
+
+  tidyRelease(tdoc);
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *fuzz_inp = malloc(size+1);
+  memcpy(fuzz_inp, data, size);
+  fuzz_inp[size] = '\0';
+
+  TidyBuffer fuzz_toutput;
+  TidyBuffer fuzz_terror;
+
+  tidyBufInit(&fuzz_toutput);
+  tidyBufInit(&fuzz_terror);
+
+  TidyXml(fuzz_inp, &fuzz_toutput, &fuzz_terror);
+
+  free(fuzz_inp);
+  tidyBufFree(&fuzz_toutput);
+  tidyBufFree(&fuzz_terror);
+  return 0;
+}