[PATCH/RFC 6/6] JNI: Add demo program to illustrate library usage

[Kevin Cernekee]

Signed-off-by: Kevin Cernekee <cernekee at gmail.com>
---
 org/example/LibTest.java |  145 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 org/example/LibTest.java

diff --git a/org/example/LibTest.java b/org/example/LibTest.java
new file mode 100644
index 0000000..1300092
--- /dev/null
+++ b/org/example/LibTest.java
@@ -0,0 +1,145 @@
+/*
+ * OpenConnect (SSL + DTLS) VPN client
+ *
+ * Copyright © 2013 Kevin Cernekee <cernekee at gmail.com>
+ *
+ * Sample Java library client - usage:
+ *
+ *   ./configure --with-jni
+ *   make
+ *   javac org/example/LibTest.java
+ *   java -Djava.library.path=.libs org.example.LibTest <server_ip>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to:
+ *
+ *   Free Software Foundation, Inc.
+ *   51 Franklin Street, Fifth Floor,
+ *   Boston, MA 02110-1301 USA
+ */
+
+package org.example;
+
+import java.io.*;
+import org.infradead.openconnect.LibOpenConnect;
+
+public final class LibTest {
+	private static String getline() {
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		try {
+			String line = br.readLine();
+			return line;
+		} catch (IOException e) {
+			System.out.println("\nI/O error");
+			System.exit(1);
+		}
+		return "";
+	}
+
+	private static class TestLib extends LibOpenConnect {
+		public int onValidatePeerCert(String msg) {
+			System.out.println("cert warning: " + msg);
+			System.out.println("cert SHA1: " + getCertSHA1());
+			System.out.println("cert details: " + getCertDetails());
+
+			byte der[] = getCertDER();
+			System.out.println("DER is " + der.length + " bytes long");
+
+			System.out.print("\nAccept this certificate? [n] ");
+			String s = getline();
+			if (s.startsWith("y") || s.startsWith("Y")) {
+				return 0;
+			} else {
+				return -1;
+			}
+		}
+
+		public int onWriteNewConfig(byte[] buf) {
+			System.out.println("new config: " + buf.length + " bytes");
+			return 0;
+		}
+
+		public int onProcessAuthForm(LibOpenConnect.AuthForm authForm) {
+			System.out.println("AuthForm:");
+			System.out.println("+-banner: " + authForm.banner);
+			System.out.println("+-message: " + authForm.message);
+			System.out.println("+-error: " + authForm.error);
+			System.out.println("+-authID: " + authForm.authID);
+			System.out.println("+-method: " + authForm.method);
+			System.out.println("+-action: " + authForm.action);
+
+			for (FormOpt fo : authForm.opts) {
+				System.out.println("->FormOpt: ");
+				System.out.println("  +-type: " + fo.type);
+				System.out.println("  +-name: " + fo.name);
+				System.out.println("  +-label: " + fo.label);
+
+				if (fo.type == OC_FORM_OPT_SELECT) {
+					for (FormChoice fc : fo.choices) {
+						System.out.println("--->FormChoice: ");
+						System.out.println("    +-name: " + fc.name);
+						System.out.println("    +-label: " + fc.label);
+						System.out.println("    +-authType: " + fc.authType);
+						System.out.println("    +-overrideName: " + fc.overrideName);
+						System.out.println("    +-overrideLabel: " + fc.overrideLabel);
+					}
+				}
+
+				if (fo.type == OC_FORM_OPT_TEXT ||
+				    fo.type == OC_FORM_OPT_PASSWORD ||
+				    fo.type == OC_FORM_OPT_SELECT) {
+					System.out.print("\n" + fo.label);
+					fo.setValue(getline());
+				}
+			}
+
+			return AUTH_FORM_PARSED;
+		}
+
+		public void onProgress(int level, String msg) {
+			System.out.print("progress: level " + level + ", msg " + msg);
+		}
+	}
+
+	public static void main(String argv[]) {
+		System.loadLibrary("openconnect");
+		LibOpenConnect lib = new TestLib();
+
+		if (argv.length != 1) {
+			System.out.println("usage: LibTest <server_name>");
+			System.exit(1);
+		}
+
+		System.out.println("OpenConnect version: " + lib.getVersion());
+		System.out.println("  PKCS=" + lib.hasPKCS11Support() +
+				   ", TSS=" + lib.hasTSSBlobSupport() +
+				   ", STOKEN=" + lib.hasStokenSupport() +
+				   ", OATH=" + lib.hasOATHSupport());
+		lib.setReportedOS("win");
+		//lib.setTokenMode(LibOpenConnect.OC_TOKEN_MODE_STOKEN, null);
+		if (new File("/tmp/csd.sh").exists()) {
+			lib.setCSDWrapper("/tmp/csd.sh");
+		}
+		lib.parseURL(argv[0]);
+
+		int ret = lib.obtainCookie();
+		if (ret < 0) {
+			System.out.println("obtainCookie() returned error");
+		} else if (ret > 0) {
+			System.out.println("Aborted by user");
+		} else {
+			System.out.println("urlpath: " + lib.getUrlpath());
+			System.out.println("hostname: " + lib.getHostname());
+			System.out.println("cookie: " + lib.getCookie());
+		}
+	}
+}
-- 
1.7.9.5