From 3831700b4d13172d46a0dd7334a8541b9b90409c Mon Sep 17 00:00:00 2001
From: DavidKorczynski <david@adalogics.com>
Date: Tue, 9 Mar 2021 14:30:58 +0000
Subject: [PATCH] [gpac] initial integration (#5289)

---
 projects/gpac/Dockerfile   | 23 +++++++++++++++++++++++
 projects/gpac/build.sh     | 25 +++++++++++++++++++++++++
 projects/gpac/fuzz_parse.c | 36 ++++++++++++++++++++++++++++++++++++
 projects/gpac/project.yaml |  6 ++++++
 4 files changed, 90 insertions(+)
 create mode 100755 projects/gpac/Dockerfile
 create mode 100755 projects/gpac/build.sh
 create mode 100644 projects/gpac/fuzz_parse.c
 create mode 100755 projects/gpac/project.yaml

diff --git a/projects/gpac/Dockerfile b/projects/gpac/Dockerfile
new file mode 100755
index 000000000..cf7fc8043
--- /dev/null
+++ b/projects/gpac/Dockerfile
@@ -0,0 +1,23 @@
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN apt-get update && apt-get install -y build-essential pkg-config libz-dev
+RUN git clone https://github.com/gpac/gpac
+
+WORKDIR $SRC
+COPY build.sh $SRC/
+COPY fuzz_parse.c $SRC/
diff --git a/projects/gpac/build.sh b/projects/gpac/build.sh
new file mode 100755
index 000000000..904f5f234
--- /dev/null
+++ b/projects/gpac/build.sh
@@ -0,0 +1,25 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+cd gpac
+./configure --static-build --extra-cflags="${CFLAGS}" --extra-ldflags="${CFLAGS}"
+make
+cp $SRC/fuzz_parse.c . 
+
+$CC $CFLAGS $LIB_FUZZING_ENGINE fuzz_parse.c -o $OUT/fuzz_parse \
+    -I./include -I./ ./bin/gcc/libgpac_static.a \
+    -lm -lz -lpthread -DGPAC_HAVE_CONFIG_H 
diff --git a/projects/gpac/fuzz_parse.c b/projects/gpac/fuzz_parse.c
new file mode 100644
index 000000000..b7c9ac9a6
--- /dev/null
+++ b/projects/gpac/fuzz_parse.c
@@ -0,0 +1,36 @@
+/* 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 <stdio.h>
+#include <unistd.h>
+
+#include <gpac/internal/isomedia_dev.h>
+#include <gpac/constants.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    char filename[256];
+    sprintf(filename, "/tmp/libfuzzer.%d", getpid());
+
+    FILE *fp = fopen(filename, "wb");
+    if (!fp) {
+        return 0;
+    }
+    fwrite(data, size, 1, fp);
+    fclose(fp);
+
+    GF_ISOFile *movie = NULL;
+    movie = gf_isom_open_file(filename, GF_ISOM_OPEN_READ_DUMP, NULL);
+    if (movie != NULL) {
+        gf_isom_close(movie);
+    }
+    unlink(filename);
+    return 0;
+}
diff --git a/projects/gpac/project.yaml b/projects/gpac/project.yaml
new file mode 100755
index 000000000..1229d1260
--- /dev/null
+++ b/projects/gpac/project.yaml
@@ -0,0 +1,6 @@
+homepage: "https://gpac.wp.imt.fr/"
+main_repo: "https://github.com/gpac/gpac"
+primary_contact: "project.gpac@gmail.com"
+language: c
+auto_ccs:
+  - "david@adalogics.com"