build: add build flag for OSS-Fuzz integration

Refs: https://github.com/google/oss-fuzz/pull/3860
Fixes: https://github.com/nodejs/node/issues/33724

PR-URL: https://github.com/nodejs/node/pull/34761
Fixes: https://github.com/nodejs/node/issues/33724
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/node.gyp b/node.gyp
index f198bc6cf5..22c270123f 100644
--- a/node.gyp
+++ b/node.gyp
@@ -13,6 +13,7 @@
     'node_use_bundled_v8%': 'true',
     'node_shared%': 'false',
     'force_dynamic_crt%': 0,
+    'ossfuzz' : 'false',
     'node_module_version%': '',
     'node_shared_brotli%': 'false',
     'node_shared_zlib%': 'false',
@@ -1170,6 +1171,38 @@
         } ],
       ]
     }, # specialize_node_d
+    { # fuzz_url
+      'target_name': 'fuzz_url',
+      'type': 'executable',
+      'dependencies': [
+        '<(node_lib_target_name)',
+      ],
+      'includes': [
+        'node.gypi'
+      ],
+      'include_dirs': [
+        'src',
+      ],
+      'defines': [
+        'NODE_ARCH="<(target_arch)"',
+        'NODE_PLATFORM="<(OS)"',
+        'NODE_WANT_INTERNALS=1',
+      ],
+      'sources': [
+        'src/node_snapshot_stub.cc',
+        'src/node_code_cache_stub.cc',
+        'test/fuzzers/fuzz_url.cc',
+      ],
+      'conditions': [
+        ['OS=="linux"', {
+          'ldflags': [ '-fsanitize=fuzzer' ]
+        }],
+        # Ensure that ossfuzz flag has been set and that we are on Linux
+        [ 'OS!="linux" or ossfuzz!="true"', {
+          'type': 'none',
+        }],
+      ],
+    }, # fuzz_url
     {
       'target_name': 'cctest',
       'type': 'executable',