Annotation of embedaddon/strongswan/src/libcharon/plugins/updown/updown_plugin.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2008 Martin Willi
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: #include "updown_plugin.h"
! 17: #include "updown_listener.h"
! 18: #include "updown_handler.h"
! 19:
! 20: #include <daemon.h>
! 21:
! 22: typedef struct private_updown_plugin_t private_updown_plugin_t;
! 23:
! 24: /**
! 25: * private data of updown plugin
! 26: */
! 27: struct private_updown_plugin_t {
! 28:
! 29: /**
! 30: * implements plugin interface
! 31: */
! 32: updown_plugin_t public;
! 33:
! 34: /**
! 35: * Listener interface, listens to CHILD_SA state changes
! 36: */
! 37: updown_listener_t *listener;
! 38:
! 39: /**
! 40: * Attribute handler, to pass DNS servers to updown
! 41: */
! 42: updown_handler_t *handler;
! 43: };
! 44:
! 45: METHOD(plugin_t, get_name, char*,
! 46: private_updown_plugin_t *this)
! 47: {
! 48: return "updown";
! 49: }
! 50:
! 51: /**
! 52: * Register listener
! 53: */
! 54: static bool plugin_cb(private_updown_plugin_t *this,
! 55: plugin_feature_t *feature, bool reg, void *cb_data)
! 56: {
! 57: if (reg)
! 58: {
! 59: if (lib->settings->get_bool(lib->settings,
! 60: "%s.plugins.updown.dns_handler", FALSE, lib->ns))
! 61: {
! 62: this->handler = updown_handler_create();
! 63: charon->attributes->add_handler(charon->attributes,
! 64: &this->handler->handler);
! 65: }
! 66: this->listener = updown_listener_create(this->handler);
! 67: charon->bus->add_listener(charon->bus, &this->listener->listener);
! 68: }
! 69: else
! 70: {
! 71: charon->bus->remove_listener(charon->bus, &this->listener->listener);
! 72: this->listener->destroy(this->listener);
! 73: if (this->handler)
! 74: {
! 75: this->handler->destroy(this->handler);
! 76: charon->attributes->remove_handler(charon->attributes,
! 77: &this->handler->handler);
! 78: }
! 79: }
! 80: return TRUE;
! 81: }
! 82:
! 83: METHOD(plugin_t, get_features, int,
! 84: private_updown_plugin_t *this, plugin_feature_t *features[])
! 85: {
! 86: static plugin_feature_t f[] = {
! 87: PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
! 88: PLUGIN_PROVIDE(CUSTOM, "updown"),
! 89: };
! 90: *features = f;
! 91: return countof(f);
! 92: }
! 93:
! 94: METHOD(plugin_t, destroy, void,
! 95: private_updown_plugin_t *this)
! 96: {
! 97: free(this);
! 98: }
! 99:
! 100: /*
! 101: * see header file
! 102: */
! 103: plugin_t *updown_plugin_create()
! 104: {
! 105: private_updown_plugin_t *this;
! 106:
! 107: INIT(this,
! 108: .public = {
! 109: .plugin = {
! 110: .get_name = _get_name,
! 111: .get_features = _get_features,
! 112: .destroy = _destroy,
! 113: },
! 114: },
! 115: );
! 116:
! 117: return &this->public.plugin;
! 118: }
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