diff options
author | Parménides GV <parmegv@sdf.org> | 2015-06-16 11:28:05 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2015-06-16 11:28:05 +0200 |
commit | 66c79953db6876ec17a7ebf50dc4fd07d24fae37 (patch) | |
tree | 67075abe6ea28f7fc7213f654b86464b13507058 /app/openvpn/sample/sample-plugins/simple/simple.c | |
parent | 1f41fec6765e49838141ad29151713c7ac3dd17c (diff) | |
parent | e533cf6939e3ea4233aa8a82812f8ce5fcb565ca (diff) |
Merge branch 'develop'0.9.4
Diffstat (limited to 'app/openvpn/sample/sample-plugins/simple/simple.c')
-rw-r--r-- | app/openvpn/sample/sample-plugins/simple/simple.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/app/openvpn/sample/sample-plugins/simple/simple.c b/app/openvpn/sample/sample-plugins/simple/simple.c deleted file mode 100644 index f26d89f6..00000000 --- a/app/openvpn/sample/sample-plugins/simple/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); -} |