Examples with ExtendedAccessListLine org.batfish.representation.cisco.ExtendedAccessListLine used on opensource projects

Example 1 with ExtendedAccessListLine

use of org.batfish.representation.cisco.ExtendedAccessListLine in project batfish by batfish.

the class CiscoControlPlaneExtractor method exitExtended_access_list_tail.

@Override
public void exitExtended_access_list_tail(Extended_access_list_tailContext ctx) {
    LineAction action = toLineAction(ctx.ala);
    IpProtocol protocol = toIpProtocol(ctx.prot);
    Ip srcIp = getIp(ctx.srcipr);
    Ip srcWildcard = getWildcard(ctx.srcipr);
    Ip dstIp = getIp(ctx.dstipr);
    Ip dstWildcard = getWildcard(ctx.dstipr);
    String srcAddressGroup = getAddressGroup(ctx.srcipr);
    String dstAddressGroup = getAddressGroup(ctx.dstipr);
    List<SubRange> srcPortRanges = ctx.alps_src != null ? toPortRanges(ctx.alps_src) : Collections.<SubRange>emptyList();
    List<SubRange> dstPortRanges = ctx.alps_dst != null ? toPortRanges(ctx.alps_dst) : Collections.<SubRange>emptyList();
    Integer icmpType = null;
    Integer icmpCode = null;
    List<TcpFlags> tcpFlags = new ArrayList<>();
    Set<Integer> dscps = new TreeSet<>();
    Set<Integer> ecns = new TreeSet<>();
    Set<State> states = EnumSet.noneOf(State.class);
    for (Extended_access_list_additional_featureContext feature : ctx.features) {
        if (feature.ACK() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseAck(true);
            alt.setAck(true);
            tcpFlags.add(alt);
        }
        if (feature.DSCP() != null) {
            int dscpType = toDscpType(feature.dscp_type());
            dscps.add(dscpType);
        }
        if (feature.ECE() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseEce(true);
            alt.setEce(true);
            tcpFlags.add(alt);
        }
        if (feature.ECHO_REPLY() != null) {
            icmpType = IcmpType.ECHO_REPLY;
            icmpCode = IcmpCode.ECHO_REPLY;
        }
        if (feature.ECHO() != null) {
            icmpType = IcmpType.ECHO_REQUEST;
            icmpCode = IcmpCode.ECHO_REQUEST;
        }
        if (feature.ECN() != null) {
            int ecn = toInteger(feature.ecn);
            ecns.add(ecn);
        }
        if (feature.ESTABLISHED() != null) {
            // must contain ACK or RST
            TcpFlags alt1 = new TcpFlags();
            TcpFlags alt2 = new TcpFlags();
            alt1.setUseAck(true);
            alt1.setAck(true);
            alt2.setUseRst(true);
            alt2.setRst(true);
            tcpFlags.add(alt1);
            tcpFlags.add(alt2);
        }
        if (feature.FIN() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseFin(true);
            alt.setFin(true);
            tcpFlags.add(alt);
        }
        if (feature.FRAGMENTS() != null) {
            todo(ctx, F_FRAGMENTS);
        }
        if (feature.HOST_UNKNOWN() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.DESTINATION_HOST_UNKNOWN;
        }
        if (feature.HOST_UNREACHABLE() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.DESTINATION_HOST_UNREACHABLE;
        }
        if (feature.NETWORK_UNKNOWN() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.DESTINATION_NETWORK_UNKNOWN;
        }
        if (feature.NET_UNREACHABLE() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.DESTINATION_NETWORK_UNREACHABLE;
        }
        if (feature.PACKET_TOO_BIG() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.PACKET_TOO_BIG;
        }
        if (feature.PARAMETER_PROBLEM() != null) {
            icmpType = IcmpType.PARAMETER_PROBLEM;
        }
        if (feature.PORT_UNREACHABLE() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
            icmpCode = IcmpCode.DESTINATION_PORT_UNREACHABLE;
        }
        if (feature.PSH() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUsePsh(true);
            alt.setPsh(true);
            tcpFlags.add(alt);
        }
        if (feature.REDIRECT() != null) {
            icmpType = IcmpType.REDIRECT_MESSAGE;
        }
        if (feature.RST() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseRst(true);
            alt.setRst(true);
            tcpFlags.add(alt);
        }
        if (feature.SOURCE_QUENCH() != null) {
            icmpType = IcmpType.SOURCE_QUENCH;
            icmpCode = IcmpCode.SOURCE_QUENCH;
        }
        if (feature.SYN() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseSyn(true);
            alt.setSyn(true);
            tcpFlags.add(alt);
        }
        if (feature.TIME_EXCEEDED() != null) {
            icmpType = IcmpType.TIME_EXCEEDED;
        }
        if (feature.TTL() != null) {
            todo(ctx, F_TTL);
        }
        if (feature.TTL_EXCEEDED() != null) {
            icmpType = IcmpType.TIME_EXCEEDED;
            icmpCode = IcmpCode.TTL_EXCEEDED;
        }
        if (feature.TRACEROUTE() != null) {
            icmpType = IcmpType.TRACEROUTE;
            icmpCode = IcmpCode.TRACEROUTE;
        }
        if (feature.TRACKED() != null) {
            states.add(State.ESTABLISHED);
        }
        if (feature.UNREACHABLE() != null) {
            icmpType = IcmpType.DESTINATION_UNREACHABLE;
        }
        if (feature.URG() != null) {
            TcpFlags alt = new TcpFlags();
            alt.setUseUrg(true);
            alt.setUrg(true);
            tcpFlags.add(alt);
        }
    }
    String name = getFullText(ctx).trim();
    ExtendedAccessListLine line = new ExtendedAccessListLine(name, action, protocol, new IpWildcard(srcIp, srcWildcard), srcAddressGroup, new IpWildcard(dstIp, dstWildcard), dstAddressGroup, srcPortRanges, dstPortRanges, dscps, ecns, icmpType, icmpCode, states, tcpFlags);
    _currentExtendedAcl.addLine(line);
}