Vendor all rust libraries from crates-io (#101)

.gitmodules

@@ -9,3 +9,7 @@
 	path = third_party/mesapy
 	url = https://github.com/mesalock-linux/mesapy.git
 	branch = sgx
+[submodule "third_party/crates-io"]
+	path = third_party/crates-io
+	url = https://github.com/mesalock-linux/crates-io.git
+	ignore = dirty

cmake/scripts/setup_cmake_tomls

@@ -71,6 +71,19 @@ def setup_cargo_for_sgx(root_dir, build_dir):
     exec_cmd(cmd)
 
 
+def setup_cargo_for_unix(root_dir, build_dir):
+    """setup cargo related files for sgx"""
+    third_party_dir = os.path.join(root_dir, 'third_party')
+    for target in ["unix_app", "sgx_untrusted_lib", "sgx_untrusted_app"]:
+        cmd = r'''mkdir -p {build_dir}/cmake_tomls/{target}/.cargo \
+        && cp -f {third_party_dir}/crates-io/Cargo.lock {build_dir}/cmake_tomls/{target}/Cargo.lock \
+        && cp -f {third_party_dir}/crates-io/config {build_dir}/cmake_tomls/{target}/.cargo/config \
+        && sed -i 's/directory = "vendor"/directory = "third_party\/crates-io\/vendor"/' \
+        {build_dir}/cmake_tomls/{target}/.cargo/config'''
+        cmd = cmd.format(build_dir=build_dir, third_party_dir=third_party_dir, target=target)
+        exec_cmd(cmd)
+
+
 def main():
     """setup tomls for cmake"""
     if len(sys.argv) != 3:
@@ -80,6 +93,7 @@ def main():
     build_dir = sys.argv[2]
 
     create_symlinks(root_dir, build_dir)
+    setup_cargo_for_unix(root_dir, build_dir)
     setup_cargo_for_sgx(root_dir, build_dir)