Support solc-args (#1698)

mythril/ethereum/util.py

@@ -44,8 +44,11 @@ def get_solc_json(file, solc_binary="solc", solc_settings_json=None):
     :param solc_settings_json:
     :return:
     """
-
+    if args.solc_args is None:
         cmd = [solc_binary, "--standard-json", "--allow-paths", ".,/"]
+    else:
+        cmd = [solc_binary, "--standard-json"] + args.solc_args.split()
+
     settings = {}
     if solc_settings_json:
         with open(solc_settings_json) as f:

mythril/interfaces/cli.py

@@ -202,6 +202,11 @@ def get_utilities_parser() -> ArgumentParser:
         "--solc-json",
         help="Json for the optional 'settings' parameter of solc's standard-json input",
     )
+    parser.add_argument(
+        "--solc-args",
+        help="""Provide solc args, example: --solc-args "--allow-paths --include-path /root_folder/node_modules --base-path /home/contracts" """,
+        type=str,
+    )
     parser.add_argument(
         "--solv",
         help="specify solidity compiler version. If not present, will try to install it (Experimental)",
@@ -921,11 +926,13 @@ def parse_args_and_execute(parser: ArgumentParser, args: Namespace) -> None:
         query_signature = args.__dict__.get("query_signature", None)
         solc_json = args.__dict__.get("solc_json", None)
         solv = args.__dict__.get("solv", None)
+        solc_args = args.__dict__.get("solc_args", None)
         disassembler = MythrilDisassembler(
             eth=config.eth,
             solc_version=solv,
             solc_settings_json=solc_json,
             enable_online_lookup=query_signature,
+            solc_args=solc_args,
         )
 
         address = load_code(disassembler, args)

mythril/mythril/mythril_disassembler.py

@@ -17,8 +17,9 @@ from mythril.support.support_args import args
 from mythril.ethereum.evmcontract import EVMContract
 from mythril.ethereum.interface.rpc.exceptions import ConnectionError
 from mythril.solidity.soliditycontract import SolidityContract, get_contracts_from_file
-from eth_utils import int_to_big_endian
+from mythril.support.support_args import args
 
+from eth_utils import int_to_big_endian
 
 log = logging.getLogger(__name__)
 
@@ -37,7 +38,9 @@ class MythrilDisassembler:
         solc_version: str = None,
         solc_settings_json: str = None,
         enable_online_lookup: bool = False,
+        solc_args=None,
     ) -> None:
+        args.solc_args = solc_args
         self.solc_binary = self._init_solc_binary(solc_version)
         self.solc_settings_json = solc_settings_json
         self.eth = eth

mythril/support/support_args.py

@@ -19,6 +19,7 @@ class Args(object, metaclass=Singleton):
         self.transaction_sequences: List[List[str]] = None
         self.use_integer_module = True
         self.use_issue_annotations = False
+        self.solc_args = None
 
 
 args = Args()

tests/integration_tests/test_solc_settings.py

@@ -18,6 +18,17 @@ def test_positive_solc_settings():
     assert "The analysis was completed successfully" in output
 
 
+def test_positive_solc_args():
+    base_path = str(TESTDATA)
+    file_dir = str(TESTDATA / "json_test_dir" / "dir_a")
+    json_file_path = str(TESTDATA / "json_test_dir" / "test_file.json")
+    file_path = file_dir + "/input_file_args.sol"
+
+    command = f"""cd {file_dir} && python3 {MYTH} analyze {file_path} --solc-args "--allow-paths {base_path}" --solv 0.8.0"""
+    output = check_output(command, shell=True, stderr=STDOUT).decode("UTF-8")
+    assert "The analysis was completed successfully" in output
+
+
 def test_neg_optimizer_solc_settings():
     file_dir = str(TESTDATA / "json_test_dir" / "dir_a")
     json_file_path = str(TESTDATA / "json_test_dir" / "test_file_disable.json")

tests/testdata/json_test_dir/dir_a/input_file_args.sol

@@ -0,0 +1,13 @@
+import "../PRC20.sol";
+
+contract Nothing is PRC20{
+
+
+
+    function nothing(string memory g_0, bytes3 g_11) public view returns (bool){
+				
+		return true;
+
+    }
+}
+