ims-volte-vowifi
/
strongswan
9
0
Fork 0
Code Pull Requests Releases Activity

Make it easy to check if an address is locally usable via changed get_interface() method

This commit is contained in:
Tobias Brunner 2012-09-14 16:27:33 +02:00
parent aed33805ce
commit 9ba36c0f7f
10 changed files with 64 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/libcharon/plugins/stroke/stroke_config.c
View File

@ -191,42 +191,34 @@ static ike_cfg_t *build_ike_cfg(private_stroke_config_t *this, stroke_msg_t *msg
{
stroke_end_t tmp_end;
ike_cfg_t *ike_cfg;
char *interface;
host_t *host;
u_int16_t ikeport;
host = host_create_from_dns(msg->add_conn.other.address, 0, 0);
if (host)
{
interface = hydra->kernel_interface->get_interface(
hydra->kernel_interface, host);
host->destroy(host);
if (interface)
if (hydra->kernel_interface->get_interface(hydra->kernel_interface,
host, NULL))
{
DBG2(DBG_CFG, "left is other host, swapping ends");
tmp_end = msg->add_conn.me;
msg->add_conn.me = msg->add_conn.other;
msg->add_conn.other = tmp_end;
free(interface);
host->destroy(host);
}
else
{
host->destroy(host);
host = host_create_from_dns(msg->add_conn.me.address, 0, 0);
if (host)
{
interface = hydra->kernel_interface->get_interface(
hydra->kernel_interface, host);
host->destroy(host);
if (!interface)
if (!hydra->kernel_interface->get_interface(
hydra->kernel_interface, host, NULL))
{
DBG1(DBG_CFG, "left nor right host is our side, "
"assuming left=local");
}
else
{
free(interface);
}
host->destroy(host);
}
}
}

5
src/libcharon/plugins/updown/updown_listener.c
View File

@ -267,9 +267,8 @@ METHOD(listener_t, child_updown, bool,
if (up)
{
iface = hydra->kernel_interface->get_interface(
hydra->kernel_interface, me);
if (iface)
if (hydra->kernel_interface->get_interface(hydra->kernel_interface,
me, &iface))
{
cache_iface(this, child_sa->get_reqid(child_sa), iface);
}

6
src/libhydra/kernel/kernel_interface.c
View File

@ -291,14 +291,14 @@ METHOD(kernel_interface_t, get_nexthop, host_t*,
return this->net->get_nexthop(this->net, dest, src);
}
METHOD(kernel_interface_t, get_interface, char*,
private_kernel_interface_t *this, host_t *host)
METHOD(kernel_interface_t, get_interface, bool,
private_kernel_interface_t *this, host_t *host, char **name)
{
if (!this->net)
{
return NULL;
}
return this->net->get_interface(this->net, host);
return this->net->get_interface(this->net, host, name);
}
METHOD(kernel_interface_t, create_address_enumerator, enumerator_t*,

5
src/libhydra/kernel/kernel_interface.h
View File

@ -308,9 +308,10 @@ struct kernel_interface_t {
* Get the interface name of a local address.
*
* @param host address to get interface name from
* @return allocated interface name, or NULL if not found
* @param name allocated interface name (optional)
* @return TRUE if interface found and usable
*/
char* (*get_interface) (kernel_interface_t *this, host_t *host);
bool (*get_interface) (kernel_interface_t *this, host_t *host, char **name);
/**
* Creates an enumerator over all local addresses.

5
src/libhydra/kernel/kernel_net.h
View File

@ -68,9 +68,10 @@ struct kernel_net_t {
* Get the interface name of a local address.
*
* @param host address to get interface name from
* @return allocated interface name, or NULL if not found
* @param name allocated interface name (optional)
* @return TRUE if interface found and usable
*/
char* (*get_interface) (kernel_net_t *this, host_t *host);
bool (*get_interface) (kernel_net_t *this, host_t *host, char **name);
/**
* Creates an enumerator over all local addresses.

6
src/libhydra/plugins/kernel_klips/kernel_klips_ipsec.c
View File

@ -2108,7 +2108,7 @@ METHOD(kernel_ipsec_t, add_policy, status_t,
*/
if (policy->route == NULL && direction == POLICY_OUT)
{
char *iface;
char *iface = NULL;
ipsec_dev_t *dev;
route_entry_t *route = malloc_thing(route_entry_t);
route->src_ip = NULL;
@ -2126,8 +2126,8 @@ METHOD(kernel_ipsec_t, add_policy, status_t,
}
/* find the virtual interface */
iface = hydra->kernel_interface->get_interface(hydra->kernel_interface,
src);
hydra->kernel_interface->get_interface(hydra->kernel_interface,
src, &iface);
if (find_ipsec_dev(this, iface, &dev) == SUCCESS)
{
/* above, we got either the name of a virtual or a physical

7
src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c
View File

@ -2169,14 +2169,13 @@ static status_t add_policy_internal(private_kernel_netlink_ipsec_t *this,
route->gateway = hydra->kernel_interface->get_nexthop(
hydra->kernel_interface, ipsec->src,
ipsec->dst);
/* install route via outgoing interface */
route->if_name = hydra->kernel_interface->get_interface(
hydra->kernel_interface, ipsec->dst);
route->dst_net = chunk_alloc(policy->sel.family == AF_INET ? 4 : 16);
memcpy(route->dst_net.ptr, &policy->sel.saddr, route->dst_net.len);
route->prefixlen = policy->sel.prefixlen_s;
if (!route->if_name)
/* install route via outgoing interface */
if (!hydra->kernel_interface->get_interface(hydra->kernel_interface,
ipsec->dst, &route->if_name))
{
this->mutex->unlock(this->mutex);
route_entry_destroy(route);

40
src/libhydra/plugins/kernel_netlink/kernel_netlink_net.c
View File

@ -365,13 +365,15 @@ static job_requeue_t reinstall_routes(private_kernel_netlink_net_t *this)
change = this->net_changes->get(this->net_changes, &lookup);
if (!change)
{ /* in case src_ip is not on the outgoing interface */
lookup.if_name = this->public.interface.get_interface(
&this->public.interface, route->src_ip);
if (lookup.if_name && !streq(lookup.if_name, route->if_name))
if (this->public.interface.get_interface(&this->public.interface,
route->src_ip, &lookup.if_name))
{
change = this->net_changes->get(this->net_changes, &lookup);
if (!streq(lookup.if_name, route->if_name))
{
change = this->net_changes->get(this->net_changes, &lookup);
}
free(lookup.if_name);
}
free(lookup.if_name);
}
if (change)
{
@ -999,15 +1001,13 @@ METHOD(kernel_net_t, create_address_enumerator, enumerator_t*,
(void*)address_enumerator_destroy);
}
METHOD(kernel_net_t, get_interface_name, char*,
private_kernel_netlink_net_t *this, host_t* ip)
METHOD(kernel_net_t, get_interface_name, bool,
private_kernel_netlink_net_t *this, host_t* ip, char **name)
{
enumerator_t *ifaces, *addrs;
iface_entry_t *iface;
addr_entry_t *addr;
char *name = NULL;
DBG2(DBG_KNL, "getting interface name for %H", ip);
bool found = FALSE;
this->mutex->lock(this->mutex);
ifaces = this->ifaces->create_enumerator(this->ifaces);
@ -1018,12 +1018,16 @@ METHOD(kernel_net_t, get_interface_name, char*,
{
if (ip->ip_equals(ip, addr->ip))
{
name = strdup(iface->ifname);
found = TRUE;
if (name)
{
*name = strdup(iface->ifname);
}
break;
}
}
addrs->destroy(addrs);
if (name)
if (found)
{
break;
}
@ -1031,15 +1035,15 @@ METHOD(kernel_net_t, get_interface_name, char*,
ifaces->destroy(ifaces);
this->mutex->unlock(this->mutex);
if (name)
{
DBG2(DBG_KNL, "%H is on interface %s", ip, name);
}
else
if (!found)
{
DBG2(DBG_KNL, "%H is not a local address", ip);
}
return name;
else if (name)
{
DBG2(DBG_KNL, "%H is on interface %s", ip, *name);
}
return found;
}
/**

7
src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c
View File

@ -2028,14 +2028,13 @@ static status_t add_policy_internal(private_kernel_pfkey_ipsec_t *this,
route->gateway = hydra->kernel_interface->get_nexthop(
hydra->kernel_interface, ipsec->src,
ipsec->dst);
/* install route via outgoing interface */
route->if_name = hydra->kernel_interface->get_interface(
hydra->kernel_interface, ipsec->dst);
route->dst_net = chunk_clone(policy->src.net->get_address(
policy->src.net));
route->prefixlen = policy->src.mask;
if (!route->if_name)
/* install route via outgoing interface */
if (!hydra->kernel_interface->get_interface(hydra->kernel_interface,
ipsec->dst, &route->if_name))
{
this->mutex->unlock(this->mutex);
route_entry_destroy(route);

28
src/libhydra/plugins/kernel_pfroute/kernel_pfroute_net.c
View File

@ -472,15 +472,13 @@ METHOD(kernel_net_t, create_address_enumerator, enumerator_t*,
(void*)address_enumerator_destroy);
}
METHOD(kernel_net_t, get_interface_name, char*,
private_kernel_pfroute_net_t *this, host_t* ip)
METHOD(kernel_net_t, get_interface_name, bool,
private_kernel_pfroute_net_t *this, host_t* ip, char **name)
{
enumerator_t *ifaces, *addrs;
iface_entry_t *iface;
addr_entry_t *addr;
char *name = NULL;
DBG2(DBG_KNL, "getting interface name for %H", ip);
bool found = FALSE;
this->mutex->lock(this->mutex);
ifaces = this->ifaces->create_enumerator(this->ifaces);
@ -491,12 +489,16 @@ METHOD(kernel_net_t, get_interface_name, char*,
{
if (ip->ip_equals(ip, addr->ip))
{
name = strdup(iface->ifname);
found = TRUE;
if (name)
{
*name = strdup(iface->ifname);
}
break;
}
}
addrs->destroy(addrs);
if (name)
if (found)
{
break;
}
@ -504,15 +506,15 @@ METHOD(kernel_net_t, get_interface_name, char*,
ifaces->destroy(ifaces);
this->mutex->unlock(this->mutex);
if (name)
{
DBG2(DBG_KNL, "%H is on interface %s", ip, name);
}
else
if (!found)
{
DBG2(DBG_KNL, "%H is not a local address", ip);
}
return name;
else if (name)
{
DBG2(DBG_KNL, "%H is on interface %s", ip, *name);
}
return found;
}
METHOD(kernel_net_t, get_source_addr, host_t*,