From 324fc2cb522926e8f6c9c0076c7410beb025b3cb Mon Sep 17 00:00:00 2001 From: Tobias Brunner Date: Wed, 12 Oct 2016 09:24:49 +0200 Subject: [PATCH] kernel-interface: Add method to enumerate locally attached subnets --- src/libcharon/kernel/kernel_interface.c | 11 +++++++++++ src/libcharon/kernel/kernel_interface.h | 9 +++++++++ src/libcharon/kernel/kernel_net.h | 9 +++++++++ 3 files changed, 29 insertions(+) diff --git a/src/libcharon/kernel/kernel_interface.c b/src/libcharon/kernel/kernel_interface.c index 7b39a020c..ea5af9eb8 100644 --- a/src/libcharon/kernel/kernel_interface.c +++ b/src/libcharon/kernel/kernel_interface.c @@ -554,6 +554,16 @@ METHOD(kernel_interface_t, create_address_enumerator, enumerator_t*, return this->net->create_address_enumerator(this->net, which); } +METHOD(kernel_interface_t, create_local_subnet_enumerator, enumerator_t*, + private_kernel_interface_t *this) +{ + if (!this->net || !this->net->create_local_subnet_enumerator) + { + return enumerator_create_empty(); + } + return this->net->create_local_subnet_enumerator(this->net); +} + METHOD(kernel_interface_t, add_ip, status_t, private_kernel_interface_t *this, host_t *virtual_ip, int prefix, char *iface) @@ -1005,6 +1015,7 @@ kernel_interface_t *kernel_interface_create() .get_nexthop = _get_nexthop, .get_interface = _get_interface, .create_address_enumerator = _create_address_enumerator, + .create_local_subnet_enumerator = _create_local_subnet_enumerator, .add_ip = _add_ip, .del_ip = _del_ip, .add_route = _add_route, diff --git a/src/libcharon/kernel/kernel_interface.h b/src/libcharon/kernel/kernel_interface.h index 225b40932..dca4babad 100644 --- a/src/libcharon/kernel/kernel_interface.h +++ b/src/libcharon/kernel/kernel_interface.h @@ -315,6 +315,15 @@ struct kernel_interface_t { enumerator_t *(*create_address_enumerator) (kernel_interface_t *this, kernel_address_type_t which); + /** + * Creates an enumerator over all local subnets. + * + * Local subnets are subnets the host is directly connected to. + * + * @return enumerator over host_t*, uint8_t + */ + enumerator_t *(*create_local_subnet_enumerator)(kernel_interface_t *this); + /** * Add a virtual IP to an interface. * diff --git a/src/libcharon/kernel/kernel_net.h b/src/libcharon/kernel/kernel_net.h index 1d78d6edd..a1ced362c 100644 --- a/src/libcharon/kernel/kernel_net.h +++ b/src/libcharon/kernel/kernel_net.h @@ -118,6 +118,15 @@ struct kernel_net_t { enumerator_t *(*create_address_enumerator) (kernel_net_t *this, kernel_address_type_t which); + /** + * Creates an enumerator over all local subnets. + * + * Local subnets are subnets the host is directly connected to. + * + * @return enumerator over host_t*, uint8_t + */ + enumerator_t *(*create_local_subnet_enumerator)(kernel_net_t *this); + /** * Add a virtual IP to an interface. *