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kernel-netlink: Extract shared route handling code in net/ipsec

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This commit is contained in:
Tobias Brunner
2020-03-10 10:30:39 +01:00
parent e23708bdf3
commit dfd261d2de
4 changed files with 108 additions and 135 deletions
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src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c
-80
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@@ -266,86 +266,6 @@ static bool addr_map_entry_match(addr_map_entry_t *a, addr_map_entry_t *b)
return a->ip->ip_equals(a->ip, b->ip);
}
typedef struct route_entry_t route_entry_t;
/**
* Installed routing entry
*/
struct route_entry_t {
/** Name of the interface the route is bound to */
char *if_name;
/** Source ip of the route */
host_t *src_ip;
/** Gateway for this route */
host_t *gateway;
/** Destination net */
chunk_t dst_net;
/** Destination net prefixlen */
uint8_t prefixlen;
/** Whether the route was installed for a passthrough policy */
bool pass;
};
/**
* Clone a route_entry_t object.
*/
static route_entry_t *route_entry_clone(route_entry_t *this)
{
route_entry_t *route;
INIT(route,
.if_name = strdup(this->if_name),
.src_ip = this->src_ip->clone(this->src_ip),
.gateway = this->gateway ? this->gateway->clone(this->gateway) : NULL,
.dst_net = chunk_clone(this->dst_net),
.prefixlen = this->prefixlen,
.pass = this->pass,
);
return route;
}
/**
* Destroy a route_entry_t object
*/
static void route_entry_destroy(route_entry_t *this)
{
free(this->if_name);
DESTROY_IF(this->src_ip);
DESTROY_IF(this->gateway);
chunk_free(&this->dst_net);
free(this);
}
/**
* Hash a route_entry_t object
*/
static u_int route_entry_hash(route_entry_t *this)
{
return chunk_hash_inc(chunk_from_thing(this->prefixlen),
chunk_hash(this->dst_net));
}
/**
* Compare two route_entry_t objects
*/
static bool route_entry_equals(route_entry_t *a, route_entry_t *b)
{
if (a->if_name && b->if_name && streq(a->if_name, b->if_name) &&
a->pass == b->pass &&
a->src_ip->ip_equals(a->src_ip, b->src_ip) &&
chunk_equals(a->dst_net, b->dst_net) && a->prefixlen == b->prefixlen)
{
return (!a->gateway && !b->gateway) || (a->gateway && b->gateway &&
a->gateway->ip_equals(a->gateway, b->gateway));
}
return FALSE;
}
typedef struct net_change_t net_change_t;
/**