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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:09 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:09 +0100
commit8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 (patch)
tree566d0620eb693320cb121dfd93a5675fa704a30b /plugin/examples/simple.c
parent349cfa7acb95abe865209a28e417ec74b56f9bba (diff)
Imported Upstream version 2.3_rc1
Diffstat (limited to 'plugin/examples/simple.c')
-rw-r--r--plugin/examples/simple.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/plugin/examples/simple.c b/plugin/examples/simple.c
deleted file mode 100644
index f26d89f..0000000
--- a/plugin/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);
-}