diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libhydra/kernel/kernel_interface.c | 22 | ||||
| -rw-r--r-- | src/libhydra/kernel/kernel_interface.h | 10 | ||||
| -rw-r--r-- | src/libhydra/kernel/kernel_listener.h | 16 |
3 files changed, 43 insertions, 5 deletions
diff --git a/src/libhydra/kernel/kernel_interface.c b/src/libhydra/kernel/kernel_interface.c index be247df30..90637fa06 100644 --- a/src/libhydra/kernel/kernel_interface.c +++ b/src/libhydra/kernel/kernel_interface.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008-2012 Tobias Brunner + * Copyright (C) 2008-2013 Tobias Brunner * Hochschule fuer Technik Rapperswil * Copyright (C) 2010 Martin Willi * Copyright (C) 2010 revosec AG @@ -644,6 +644,25 @@ METHOD(kernel_interface_t, roam, void, this->mutex->unlock(this->mutex); } +METHOD(kernel_interface_t, tun, void, + private_kernel_interface_t *this, tun_device_t *tun, bool created) +{ + kernel_listener_t *listener; + enumerator_t *enumerator; + this->mutex->lock(this->mutex); + enumerator = this->listeners->create_enumerator(this->listeners); + while (enumerator->enumerate(enumerator, &listener)) + { + if (listener->tun && + !listener->tun(listener, tun, created)) + { + this->listeners->remove_at(this->listeners, enumerator); + } + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); +} + METHOD(kernel_interface_t, register_algorithm, void, private_kernel_interface_t *this, u_int16_t alg_id, transform_type_t type, u_int16_t kernel_id, char *kernel_name) @@ -764,6 +783,7 @@ kernel_interface_t *kernel_interface_create() .mapping = _mapping, .migrate = _migrate, .roam = _roam, + .tun = _tun, .destroy = _destroy, }, .mutex = mutex_create(MUTEX_TYPE_DEFAULT), diff --git a/src/libhydra/kernel/kernel_interface.h b/src/libhydra/kernel/kernel_interface.h index ab2b38256..2e8a4c082 100644 --- a/src/libhydra/kernel/kernel_interface.h +++ b/src/libhydra/kernel/kernel_interface.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2012 Tobias Brunner + * Copyright (C) 2006-2013 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter @@ -562,6 +562,14 @@ struct kernel_interface_t { void (*roam)(kernel_interface_t *this, bool address); /** + * Raise a tun event. + * + * @param tun TUN device + * @param created TRUE if created, FALSE if going to be destroyed + */ + void (*tun)(kernel_interface_t *this, tun_device_t *tun, bool created); + + /** * Register a new algorithm with the kernel interface. * * @param alg_id the IKE id of the algorithm diff --git a/src/libhydra/kernel/kernel_listener.h b/src/libhydra/kernel/kernel_listener.h index 27ea947eb..4382a43fd 100644 --- a/src/libhydra/kernel/kernel_listener.h +++ b/src/libhydra/kernel/kernel_listener.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Tobias Brunner + * Copyright (C) 2010-2013 Tobias Brunner * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -23,9 +23,10 @@ typedef struct kernel_listener_t kernel_listener_t; -#include <kernel/kernel_ipsec.h> -#include <selectors/traffic_selector.h> #include <networking/host.h> +#include <networking/tun_device.h> +#include <selectors/traffic_selector.h> +#include <kernel/kernel_ipsec.h> /** * Interface for components interested in kernel events. @@ -91,6 +92,15 @@ struct kernel_listener_t { * @return TRUE to remain registered, FALSE to unregister */ bool (*roam)(kernel_listener_t *this, bool address); + + /** + * Hook called after a TUN device was created for a virtual IP address, or + * before such a device gets destroyed. + * + * @param tun TUN device + * @param created TRUE if created, FALSE if going to be destroyed + */ + bool (*tun)(kernel_listener_t *this, tun_device_t *tun, bool created); }; #endif /** KERNEL_LISTENER_H_ @}*/ |