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tun_device: add a getter for the address previously passed to set_address()

This commit is contained in:
Martin Willi 2013-04-12 13:03:21 +02:00
parent 60babe0236
commit 2af65b26d9
2 changed files with 32 additions and 0 deletions
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24
src/libstrongswan/networking/tun_device.c
View File

@ -73,6 +73,16 @@ struct private_tun_device_t {
* The current MTU
*/
int mtu;
/**
* Associated address
*/
host_t *address;
/**
* Netmask for address
*/
u_int8_t netmask;
};
METHOD(tun_device_t, set_address, bool,
@ -117,9 +127,21 @@ METHOD(tun_device_t, set_address, bool,
this->if_name, strerror(errno));
return FALSE;
}
this->address = addr->clone(addr);
this->netmask = netmask;
return TRUE;
}
METHOD(tun_device_t, get_address, host_t*,
private_tun_device_t *this, u_int8_t *netmask)
{
if (netmask && this->address)
{
*netmask = this->netmask;
}
return this->address;
}
METHOD(tun_device_t, up, bool,
private_tun_device_t *this)
{
@ -277,6 +299,7 @@ METHOD(tun_device_t, destroy, void,
{
close(this->sock);
}
DESTROY_IF(this->address);
free(this);
}
@ -406,6 +429,7 @@ tun_device_t *tun_device_create(const char *name_tmpl)
.get_name = _get_name,
.get_fd = _get_fd,
.set_address = _set_address,
.get_address = _get_address,
.up = _up,
.destroy = _destroy,
},

8
src/libstrongswan/networking/tun_device.h
View File

@ -65,6 +65,14 @@ struct tun_device_t {
*/
bool (*set_address)(tun_device_t *this, host_t *addr, u_int8_t netmask);
/**
* Get the IP address previously assigned to using set_address().
*
* @param netmask pointer receiving the configured netmask, or NULL
* @return address previously set, NULL if none
*/
host_t* (*get_address)(tun_device_t *this, u_int8_t *netmask);
/**
* Bring the TUN device up
*