Fix ICMP json.

controller/EmbeddedNetworkController.cpp

@@ -222,10 +222,10 @@ static json _renderRule(ZT_VirtualNetworkRule &rule)
 				break;
 			case ZT_NETWORK_RULE_MATCH_ICMP:
 				r["type"] = "MATCH_ICMP";
-				r["type"] = (unsigned int)rule.v.icmp.type;
+				r["icmpType"] = (unsigned int)rule.v.icmp.type;
 				if ((rule.v.icmp.flags & 0x01) != 0)
-					r["code"] = (unsigned int)rule.v.icmp.code;
-				else r["code"] = json();
+					r["icmpCode"] = (unsigned int)rule.v.icmp.code;
+				else r["icmpCode"] = json();
 				break;
 			case ZT_NETWORK_RULE_MATCH_IP_SOURCE_PORT_RANGE:
 				r["type"] = "MATCH_IP_SOURCE_PORT_RANGE";
@@ -401,8 +401,8 @@ static bool _parseRule(json &r,ZT_VirtualNetworkRule &rule)
 		return true;
 	} else if (t == "MATCH_ICMP") {
 		rule.t |= ZT_NETWORK_RULE_MATCH_ICMP;
-		rule.v.icmp.type = (uint8_t)(_jI(r["type"],0ULL) & 0xffULL);
-		json &code = r["code"];
+		rule.v.icmp.type = (uint8_t)(_jI(r["icmpType"],0ULL) & 0xffULL);
+		json &code = r["icmpCode"];
 		if (code.is_null()) {
 			rule.v.icmp.code = 0;
 			rule.v.icmp.flags = 0x00;