1 files changed, 116 insertions, 0 deletions
diff --git a/checker/enoreq.py b/checker/enoreq.py
new file mode 100644
index 0000000..66d0e7b
--- /dev/null
+++ b/checker/enoreq.py
@@ -0,0 +1,116 @@
+import argparse
+import hashlib
+import sys
+
+import jsons
+import requests
+from enochecker_core import CheckerMethod, CheckerResultMessage, CheckerTaskMessage
+
+TASK_TYPES = [str(i) for i in CheckerMethod]
+
+
+def add_arguments(parser: argparse.ArgumentParser) -> None:
+    _add_arguments(parser, hide_checker_address=True)
+
+
+def _add_arguments(parser: argparse.ArgumentParser, hide_checker_address=False) -> None:
+    parser.add_argument("method", choices=TASK_TYPES, help="One of {} ".format(TASK_TYPES))
+    if not hide_checker_address:
+        parser.add_argument("-A", "--checker_address", type=str, default="http://localhost", help="The URL of the checker")
+    parser.add_argument("-i", "--task_id", type=int, default=1, help="An id for this task. Must be unique in a CTF.")
+    parser.add_argument("-a", "--address", type=str, default="localhost", help="The ip or address of the remote team to check")
+    parser.add_argument("-j", "--json", type=bool, default=False, help="Raw JSON output")
+    parser.add_argument("-T", "--team_id", type=int, default=1, help="The Team_id belonging to the specified Team")
+    parser.add_argument("-t", "--team_name", type=str, default="team1", help="The name of the target team to check")
+    parser.add_argument("-r", "--current_round_id", type=int, default=1, help="The round we are in right now")
+    parser.add_argument(
+        "-R",
+        "--related_round_id",
+        type=int,
+        default=1,
+        help="The round in which the flag or noise was stored when method is getflag/getnoise. Equal to current_round_id otherwise.",
+    )
+    parser.add_argument("-f", "--flag", type=str, default="ENOFLAGENOFLAG=", help="The flag for putflag/getflag or the flag to find in exploit mode")
+    parser.add_argument("-v", "--variant_id", type=int, default=0, help="The variantId for the method being called")
+    parser.add_argument(
+        "-x", "--timeout", type=int, default=30000, help="The maximum amount of time the script has to execute in milliseconds (default 30 000)"
+    )
+    parser.add_argument("-l", "--round_length", type=int, default=300000, help="The round length in milliseconds (default 300 000)")
+    parser.add_argument(
+        "-I",
+        "--task_chain_id",
+        type=str,
+        default=None,
+        help="A unique Id which must be identical for all related putflag/getflag calls and putnoise/getnoise calls",
+    )
+    parser.add_argument("--flag_regex", type=str, default=None, help="A regular expression matched by the flag, used only when running the exploit method")
+    parser.add_argument(
+        "--attack_info", type=str, default=None, help="The attack info returned by the corresponding putflag, used only when running the exploit method"
+    )
+
+
+def task_message_from_namespace(ns: argparse.Namespace) -> CheckerTaskMessage:
+    task_chain_id = ns.task_chain_id
+    method = CheckerMethod(ns.method)
+    if not task_chain_id:
+        option = None
+        if method in (CheckerMethod.PUTFLAG, CheckerMethod.GETFLAG):
+            option = "flag"
+        elif method in (CheckerMethod.PUTNOISE, CheckerMethod.GETNOISE):
+            option = "noise"
+        elif method == CheckerMethod.HAVOC:
+            option = "havoc"
+        elif method == CheckerMethod.EXPLOIT:
+            option = "exploit"
+        else:
+            raise ValueError(f"Unexpected CheckerMethod: {method}")
+        task_chain_id = f"{option}_s0_r{ns.related_round_id}_t{ns.team_id}_i{ns.variant_id}"
+
+    flag_hash = None
+    if method == CheckerMethod.EXPLOIT:
+        flag_hash = hashlib.sha256(ns.flag.encode()).hexdigest()
+
+    msg = CheckerTaskMessage(
+        task_id=ns.task_id,
+        method=method,
+        address=ns.address,
+        team_id=ns.team_id,
+        team_name=ns.team_name,
+        current_round_id=ns.current_round_id,
+        related_round_id=ns.related_round_id,
+        flag=ns.flag if method != CheckerMethod.EXPLOIT else None,
+        variant_id=ns.variant_id,
+        timeout=ns.timeout,
+        round_length=ns.round_length,
+        task_chain_id=task_chain_id,
+        flag_regex=ns.flag_regex,
+        flag_hash=flag_hash,
+        attack_info=ns.attack_info,
+    )
+
+    return msg
+
+
+def json_task_message_from_namespace(ns: argparse.Namespace) -> str:
+    return jsons.dumps(task_message_from_namespace(ns), use_enum_name=False, key_transformer=jsons.KEY_TRANSFORMER_CAMELCASE, strict=True)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Your friendly checker script")
+    _add_arguments(parser)
+    ns = parser.parse_args(sys.argv[1:])
+    msg = json_task_message_from_namespace(ns)
+
+    result = requests.post(ns.checker_address, data=msg,
+            headers={"content-type": "application/json"},)
+    if ns.json:
+        print(result.text)
+    else:
+        if result.ok:
+            result_msg = jsons.loads(result.content, CheckerResultMessage)
+            print(result_msg.result)
+        else:
+            print(result.status_code)
+            print(result.text)
+
+main()