i2ptunnel: Fix SSL wizard for split config (ticket #2610)

apps/i2ptunnel/jsp/ssl.jsp

@@ -285,7 +285,16 @@ input.default { width: 1px; height: 1px; visibility: hidden; }
                 boolean addssl = ok && !isSSLEnabled && !action.equals("Disable");
                 boolean delssl = ok && isSSLEnabled && action.equals("Disable");
                 if (addssl || delssl) {
-                    File f = new File(ctx.getConfigDir(), "clients.config");
+                    String configfile = request.getParameter("clientConfigFile");
+                    File f;
+                    if (configfile == null || configfile.equals("clients.config")) {
+                        f = new File(ctx.getConfigDir(), "clients.config");
+                    } else if (configfile.contains("/") || configfile.contains("\\")) {
+                        throw new IllegalArgumentException();
+                    } else {
+                        f = new File(ctx.getConfigDir(), "clients.config.d");
+                        f = new File(f, configfile);
+                    }
                     java.util.Properties p = new net.i2p.util.OrderedProperties();
                     try {
                         DataHelper.loadProps(p, f);
@@ -578,15 +587,44 @@ input.default { width: 1px; height: 1px; visibility: hidden; }
     // Now try to find the Jetty server in clients.config
     File configDir = ctx.getConfigDir();
     File clientsConfig = new File(configDir, "clients.config");
+    boolean isSingleFile = clientsConfig.exists();
+    File[] configFiles;
+    if (!isSingleFile) {
+        File clientsConfigD = new File(configDir, "clients.config.d");
+        configFiles = clientsConfigD.listFiles();
+    } else {
+        configFiles = null;
+    }
     java.util.Properties clientProps = new java.util.Properties();
     try {
         boolean foundClientConfig = false;
+        int i = -1;
+        int fileNum = 0;
+        while (true) {
+            if (isSingleFile) {
+                // next config in the file
+                i++;
+                if (i == 0)
                     DataHelper.loadProps(clientProps, clientsConfig);
-        for (int i = 0; i < 100; i++) {
+            } else {
+                if (configFiles == null)
+                    break;
+                if (fileNum >= configFiles.length)
+                    break;
+                // load the next file
+                clientProps.clear();
+                clientsConfig = configFiles[fileNum++];
+                DataHelper.loadProps(clientProps, clientsConfig);
+                // only look at client 0 in file
+                i = 0;
+            }
             String prop = "clientApp." + i + ".main";
             String cls = clientProps.getProperty(prop);
-            if (cls == null)
+            if (cls == null) {
+                if (isSingleFile)
                     break;
+                continue;
+            }
             if (!cls.equals("net.i2p.jetty.JettyStart"))
                 continue;
             prop = "clientApp." + i + ".args";
@@ -734,6 +772,7 @@ input.default { width: 1px; height: 1px; visibility: hidden; }
 %>
 <tr><td colspan="4">
 <input type="hidden" name="clientAppNumber" value="<%=i%>" />
+<input type="hidden" name="clientConfigFile" value="<%=clientsConfig.getName()%>" />
 <input type="hidden" name="isSSLEnabled" value="<%=isEnabled%>" />
 <input type="hidden" name="nofilter_ksPath" value="<%=ksPath%>" />
 <input type="hidden" name="nofilter_jettySSLFile" value="<%=jettySSLFile%>" />
@@ -781,7 +820,7 @@ input.default { width: 1px; height: 1px; visibility: hidden; }
 <%
                 break;
             }  // canConfigure
-        }  // for client
+        }  // while (for each client or client file)
         if (!foundClientConfig) {
 %>
 <tr><td colspan="4">Cannot configure, no Jetty server found in <a href="/configclients">client configurations</a> that matches this tunnel</td></tr>