1 files changed, 78 insertions, 0 deletions
diff --git a/src/scripts/test_fuzzers.py b/src/scripts/test_fuzzers.py
new file mode 100755
index 000000000..0d473e00c
--- /dev/null
+++ b/src/scripts/test_fuzzers.py
@@ -0,0 +1,78 @@
+#!/usr/bin/python
+
+import sys
+import os
+import subprocess
+
+def main(args=None):
+    if args is None:
+        args = sys.argv
+
+    if len(args) != 3:
+        print("Usage: %s <corpus_dir> <fuzzers_dir>" % (args[0]))
+        return 1
+
+    corpus_dir = args[1]
+    fuzzer_dir = args[2]
+
+    if not os.access(corpus_dir, os.R_OK):
+        print("Error could not access corpus directory '%s'" % (corpus_dir))
+        return 1
+
+    if not os.access(fuzzer_dir, os.R_OK):
+        print("Error could not access fuzzers directory '%s'" % (fuzzer_dir))
+        return 1
+
+    fuzzers = set([])
+    for fuzzer in os.listdir(fuzzer_dir):
+        if fuzzer.endswith('.zip'):
+            continue
+        fuzzers.add(fuzzer)
+
+    corpii = set([])
+    for corpus in os.listdir(corpus_dir):
+        if corpus in ['.git', 'readme.txt']:
+            continue
+        corpii.add(corpus)
+
+    fuzzers_without_corpus = fuzzers - corpii
+    corpus_without_fuzzers = corpii - fuzzers
+
+    for f in sorted(list(fuzzers_without_corpus)):
+        print("Warning: Fuzzer %s has no corpus" % (f))
+    for c in sorted(list(corpus_without_fuzzers)):
+        print("Warning: Corpus %s has no fuzzer" % (c))
+
+    fuzzers_with_corpus = fuzzers & corpii
+
+    any_crashes = False
+
+    for f in sorted(list(fuzzers_with_corpus)):
+        fuzzer_bin = os.path.join(fuzzer_dir, f)
+        corpus_files = os.path.join(corpus_dir, f)
+        for corpus_file in sorted(list(os.listdir(corpus_files))):
+            corpus_fd = open(os.path.join(corpus_files, corpus_file), 'r')
+            fuzzer_proc = subprocess.Popen([fuzzer_bin], stdin=corpus_fd,
+                                           stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
+            (stdout, stderr) = fuzzer_proc.communicate()
+            corpus_fd.close()
+
+            if fuzzer_proc.returncode != 0:
+                print("Fuzzer %s crashed with input %s returncode %d" % (f, corpus_file, fuzzer_proc.returncode))
+                any_crashes = True
+
+            if len(stdout) != 0:
+                stdout = stdout.decode('ascii')
+                print("Fuzzer %s produced stdout on input %s:\n%s" % (f, corpus_file, stdout))
+
+            if len(stderr) != 0:
+                stderr = stderr.decode('ascii')
+                print("Fuzzer %s produced stderr on input %s:\n%s" % (f, corpus_file, stderr))
+
+    if any_crashes:
+        return 2
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())