build: integrate plugins build into core build

As disucssed[1], keep plugins in repository.

1, Proper automake/libtool build.

2. Move example plugins to samples/sample-plugins.

3. Plugins are installed at LIBDIR/openvpn/plugins.

[1] http://comments.gmane.org/gmane.network.openvpn.devel/6436

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
Acked-by: David Sommerseth <davids@redhat.com>
Message-Id: 1337035323-27465-1-git-send-email-alon.barlev@gmail.com
URL: http://article.gmane.org/gmane.network.openvpn.devel/6591
Signed-off-by: David Sommerseth <davids@redhat.com>

1 files changed, 0 insertions, 120 deletions

diff --git a/src/plugins/examples/simple.c b/src/plugins/examples/simple.c
deleted file mode 100644
index f26d89f..0000000
--- a/src/plugins/examples/simple.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- *  OpenVPN -- An application to securely tunnel IP networks
- *             over a single TCP/UDP port, with support for SSL/TLS-based
- *             session authentication and key exchange,
- *             packet encryption, packet authentication, and
- *             packet compression.
- *
- *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program (see the file COPYING included with this
- *  distribution); if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-/*
- * This file implements a simple OpenVPN plugin module which
- * will examine the username/password provided by a client,
- * and make an accept/deny determination.  Will run
- * on Windows or *nix.
- *
- * See the README file for build instructions.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include "openvpn-plugin.h"
-
-/*
- * Our context, where we keep our state.
- */
-struct plugin_context {
-  const char *username;
-  const char *password;
-};
-
-/*
- * Given an environmental variable name, search
- * the envp array for its value, returning it
- * if found or NULL otherwise.
- */
-static const char *
-get_env (const char *name, const char *envp[])
-{
-  if (envp)
-    {
-      int i;
-      const int namelen = strlen (name);
-      for (i = 0; envp[i]; ++i)
-	{
-	  if (!strncmp (envp[i], name, namelen))
-	    {
-	      const char *cp = envp[i] + namelen;
-	      if (*cp == '=')
-		return cp + 1;
-	    }
-	}
-    }
-  return NULL;
-}
-
-OPENVPN_EXPORT openvpn_plugin_handle_t
-openvpn_plugin_open_v1 (unsigned int *type_mask, const char *argv[], const char *envp[])
-{
-  struct plugin_context *context;
-
-  /*
-   * Allocate our context
-   */
-  context = (struct plugin_context *) calloc (1, sizeof (struct plugin_context));
-
-  /*
-   * Set the username/password we will require.
-   */
-  context->username = "foo";
-  context->password = "bar";
-
-  /*
-   * We are only interested in intercepting the
-   * --auth-user-pass-verify callback.
-   */
-  *type_mask = OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY);
-
-  return (openvpn_plugin_handle_t) context;
-}
-
-OPENVPN_EXPORT int
-openvpn_plugin_func_v1 (openvpn_plugin_handle_t handle, const int type, const char *argv[], const char *envp[])
-{
-  struct plugin_context *context = (struct plugin_context *) handle;
-
-  /* get username/password from envp string array */
-  const char *username = get_env ("username", envp);
-  const char *password = get_env ("password", envp);
-
-  /* check entered username/password against what we require */
-  if (username && !strcmp (username, context->username)
-      && password && !strcmp (password, context->password))
-    return OPENVPN_PLUGIN_FUNC_SUCCESS;
-  else
-    return OPENVPN_PLUGIN_FUNC_ERROR;
-}
-
-OPENVPN_EXPORT void
-openvpn_plugin_close_v1 (openvpn_plugin_handle_t handle)
-{
-  struct plugin_context *context = (struct plugin_context *) handle;
-  free (context);
-}