not-yet-working start of the command line interface

src/com/verisign/cl/DNSSECReconciler.java

@@ -0,0 +1,104 @@
+package com.verisign.cl;
+
+import java.util.*;
+
+import org.xbill.DNS.*;
+import com.verisign.tat.dnssec.CaptiveValidator;
+
+public class DNSSECReconciler {
+
+    /**
+     * Invoke with java -jar dnssecreconciler.jar server=127.0.0.1 \
+     * query_file=queries.txt dnskey_query=net dnskey_query=edu
+     */
+    private CaptiveValidator validator;
+
+    // Options
+    public String            server;
+    public String            query;
+    public String            queryFile;
+    public String            dnskeyFile;
+    public List<String>      dnskeyNames;
+
+    DNSSECReconciler() {
+        validator = new CaptiveValidator();
+    }
+
+    public void execute() {
+
+    }
+
+    private static void usage() {
+        System.err.println("usage: java -jar dnssecreconiler.jar [..options..]");
+        System.err.println("       server: the DNS server to query.");
+        System.err.println("       query: a name [type [flags]] string.");
+        System.err.println("       query_file: a list of queries, one query per line.");
+        System.err.println("       dnskey_file: a file containing DNSKEY RRs to trust.");
+        System.err.println("       dnskey_query: query 'server' for DNSKEY at given name to trust, may repeat");
+    }
+
+    public static int main(String[] argv) {
+
+        DNSSECReconciler dr = new DNSSECReconciler();
+
+        try {
+            // Parse the command line options
+            for (String arg : argv) {
+
+                if (arg.indexOf('=') < 0) {
+                    System.err.println("Unrecognized option: " + arg);
+                    usage();
+                    return 1;
+                }
+                
+                String[] split_arg = arg.split("[ \t]*=[ \t]*", 2);
+                String opt = split_arg[0];
+                String optarg = split_arg[1];
+
+                if (opt.equals("server")) {
+                    dr.server = optarg;
+                } else if (opt.equals("query_file")) {
+                    dr.queryFile = optarg;
+                } else if (opt.equals("dnskey_file")) {
+                    dr.dnskeyFile = optarg;
+                } else if (opt.equals("dnskey_query")) {
+                    if (dr.dnskeyNames == null) {
+                        dr.dnskeyNames = new ArrayList<String>();
+                    }
+                    dr.dnskeyNames.add(optarg);
+                } else {
+                    System.err.println("Unrecognized option: " + opt);
+                    usage();
+                    return 1;
+                }
+            }
+
+            // Check for minimum usage
+            if (dr.server == null) {
+                System.err.println("'server' must be specified");
+                usage();
+                return 1;
+            }
+            if (dr.query == null && dr.queryFile == null) {
+                System.err.println("Either 'query' or 'query_file' must be specified");
+                usage();
+                return 1;
+            }
+            if (dr.dnskeyFile == null && dr.dnskeyNames == null) {
+                System.err.println("Either 'dnskey_file' or 'dnskey_query' must be specified");
+                usage();
+                return 1;
+            }
+            
+            
+            // Execute the job
+            dr.execute();
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            return 1;
+        }
+
+        return 0;
+    }
+}