From: Jo-Philipp Wich <jo@mein.io>
Date: Mon, 12 Sep 2022 13:36:14 +0000 (+0200)
Subject: ucode: pass-through `ubus_rpc_session` argument
X-Git-Url: http://git.openwrt.org/%22http:/oss.oetiker.ch/rrdtool//%22/%22http:/oss.oetiker.ch/rrdtool/%22?a=commitdiff_plain;h=e80d0b2d77f8ed163872971200d24c423db60bb8;p=project%2Frpcd.git

ucode: pass-through `ubus_rpc_session` argument

Allow the special `ubus_rpc_session` method call argument even if it is not
specified in the policy.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---

diff --git a/ucode.c b/ucode.c
index bc07047..e0a7937 100644
--- a/ucode.c
+++ b/ucode.c
@@ -304,8 +304,13 @@ rpc_ucode_validate_call_args(struct ubus_object *obj, const char *ubus_method_na
 		}
 
 		/* named argument not found in policy */
-		if (!found)
+		if (!found) {
+			/* allow special ubus_rpc_session argument */
+			if (!strcmp("ubus_rpc_session", (char *)hdr->name) && blob_id(attr) == BLOBMSG_TYPE_STRING)
+			    continue;
+
 			goto inval;
+		}
 	}
 
 	*res = rpc_ucode_blob_array_to_ucv(&script->vm, blob_data(msg), blob_len(msg), true);