diff options
Diffstat (limited to 'sample/sample-plugins/simple/simple.c')
-rw-r--r-- | sample/sample-plugins/simple/simple.c | 102 |
1 files changed, 54 insertions, 48 deletions
diff --git a/sample/sample-plugins/simple/simple.c b/sample/sample-plugins/simple/simple.c index f26d89f..f595333 100644 --- a/sample/sample-plugins/simple/simple.c +++ b/sample/sample-plugins/simple/simple.c @@ -5,7 +5,7 @@ * packet encryption, packet authentication, and * packet compression. * - * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net> + * Copyright (C) 2002-2017 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 @@ -41,8 +41,8 @@ * Our context, where we keep our state. */ struct plugin_context { - const char *username; - const char *password; + const char *username; + const char *password; }; /* @@ -51,70 +51,76 @@ struct plugin_context { * if found or NULL otherwise. */ static const char * -get_env (const char *name, const char *envp[]) +get_env(const char *name, const char *envp[]) { - if (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; - } - } + 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; + return NULL; } OPENVPN_EXPORT openvpn_plugin_handle_t -openvpn_plugin_open_v1 (unsigned int *type_mask, const char *argv[], const char *envp[]) +openvpn_plugin_open_v1(unsigned int *type_mask, const char *argv[], const char *envp[]) { - struct plugin_context *context; + struct plugin_context *context; - /* - * Allocate our context - */ - context = (struct plugin_context *) calloc (1, sizeof (struct plugin_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"; + /* + * 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); + /* + * 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; + 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[]) +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; + 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); + /* 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; + /* 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) +openvpn_plugin_close_v1(openvpn_plugin_handle_t handle) { - struct plugin_context *context = (struct plugin_context *) handle; - free (context); + struct plugin_context *context = (struct plugin_context *) handle; + free(context); } |