initial support for IPv6 (more testing needed)

socket works (without v6 filter)
  traffic selector handle IPv4/v4 cleanly
    improvements in traffic selector code
  kernel interface accepts v6 traffic selectors and hosts
  host_t class has full IPv6 support
This commit is contained in:
Martin Willi
2006-08-30 17:12:56 +00:00
parent 51d4876814
commit 48d9883a3e
16 changed files with 1075 additions and 375 deletions
+22 -26
View File
@@ -889,42 +889,37 @@ static void ts2subnet(traffic_selector_t* ts,
/* there is no way to do this cleanly, as the address range may
* be anything else but a subnet. We use from_addr as subnet
* and try to calculate a usable subnet mask.
*/
chunk_t chunk;
*/
int byte, bit;
bool found = FALSE;
chunk_t from, to;
size_t size = (ts->get_type(ts) == TS_IPV4_ADDR_RANGE) ? 4 : 16;
chunk = ts->get_from_address(ts);
memcpy(net, chunk.ptr, chunk.len);
from = ts->get_from_address(ts);
to = ts->get_to_address(ts);
switch (ts->get_type(ts))
*mask = (size * 8);
/* go trough all bits of the addresses, beginning in the front.
* As longer as they equal, the subnet gets larger */
for (byte = 0; byte < size; byte++)
{
case TS_IPV4_ADDR_RANGE:
for (bit = 7; bit >= 0; bit--)
{
u_int32_t from, to, bit;
from = *(u_int32_t*)chunk.ptr;
chunk_free(&chunk);
chunk = ts->get_to_address(ts);
to = *(u_int32_t*)chunk.ptr;
chunk_free(&chunk);
for (bit = 0; bit < 32; bit++)
if ((1<<bit & from.ptr[byte]) != (1<<bit & to.ptr[byte]))
{
if ((1<<bit & from) != (1<<bit & to))
{
*mask = bit;
return;
}
*mask = ((7 - bit) + (byte * 8));
found = TRUE;
break;
}
*mask = 32;
return;
}
case TS_IPV6_ADDR_RANGE:
default:
if (found)
{
/* TODO: IPV6 support */
*mask = 0;
return;
break;
}
}
memcpy(net, from.ptr, from.len);
chunk_free(&from);
chunk_free(&to);
}
/**
@@ -1075,6 +1070,7 @@ static status_t add_policy(private_kernel_interface_t *this,
tmpl->id.proto = (protocol == PROTO_AH) ? KERNEL_AH : KERNEL_ESP;
tmpl->aalgos = tmpl->ealgos = tmpl->calgos = ~0;
tmpl->mode = TRUE;
tmpl->family = src->get_family(src);
host2xfrm(src, &tmpl->saddr);
host2xfrm(dst, &tmpl->id.daddr);
+1 -2
View File
@@ -76,8 +76,7 @@ static void send_packets(private_sender_t * this)
status = charon->socket->send(charon->socket, current_packet);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Sending failed, socket returned %s",
mapping_find(status_m, status));
this->logger->log(this->logger, ERROR, "Sending packet failed");
}
current_packet->destroy(current_packet);
}
+41 -18
View File
@@ -186,21 +186,38 @@ static void stroke_add_conn(private_stroke_t *this, stroke_msg_t *msg)
pop_string(msg, &msg->add_conn.algorithms.ike);
pop_string(msg, &msg->add_conn.algorithms.esp);
this->logger->log(this->logger, CONTROL, "received stroke: add connection \"%s\"", msg->add_conn.name);
this->logger->log(this->logger, CONTROL,
"received stroke: add connection \"%s\"", msg->add_conn.name);
this->logger->log(this->logger, CONTROL|LEVEL2, "conn %s", msg->add_conn.name);
this->logger->log(this->logger, CONTROL|LEVEL2, " right=%s", msg->add_conn.me.address);
this->logger->log(this->logger, CONTROL|LEVEL2, " left=%s", msg->add_conn.other.address);
this->logger->log(this->logger, CONTROL|LEVEL2, " rightsubnet=%s", msg->add_conn.me.subnet);
this->logger->log(this->logger, CONTROL|LEVEL2, " leftsubnet=%s", msg->add_conn.other.subnet);
this->logger->log(this->logger, CONTROL|LEVEL2, " rightid=%s", msg->add_conn.me.id);
this->logger->log(this->logger, CONTROL|LEVEL2, " leftid=%s", msg->add_conn.other.id);
this->logger->log(this->logger, CONTROL|LEVEL2, " rightcert=%s", msg->add_conn.me.cert);
this->logger->log(this->logger, CONTROL|LEVEL2, " leftcert=%s", msg->add_conn.other.cert);
this->logger->log(this->logger, CONTROL|LEVEL2, " rightca=%s", msg->add_conn.me.ca);
this->logger->log(this->logger, CONTROL|LEVEL2, " leftca=%s", msg->add_conn.other.ca);
this->logger->log(this->logger, CONTROL|LEVEL2, " ike=%s", msg->add_conn.algorithms.ike);
this->logger->log(this->logger, CONTROL|LEVEL2, " esp=%s", msg->add_conn.algorithms.esp);
my_host = msg->add_conn.me.address?
host_create(AF_INET, msg->add_conn.me.address, IKE_PORT) : NULL;
host_create_from_string(msg->add_conn.me.address, IKE_PORT) : NULL;
if (my_host == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid host: %s", msg->add_conn.me.address);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid host: %s", msg->add_conn.me.address);
return;
}
other_host = msg->add_conn.other.address ?
host_create(AF_INET, msg->add_conn.other.address, IKE_PORT) : NULL;
host_create_from_string(msg->add_conn.other.address, IKE_PORT) : NULL;
if (other_host == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid host: %s", msg->add_conn.other.address);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid host: %s", msg->add_conn.other.address);
my_host->destroy(my_host);
return;
}
@@ -210,7 +227,8 @@ static void stroke_add_conn(private_stroke_t *this, stroke_msg_t *msg)
stroke_end_t tmp_end;
host_t *tmp_host;
this->stroke_logger->log(this->stroke_logger, CONTROL|LEVEL1, "left is other host, swapping ends");
this->stroke_logger->log(this->stroke_logger, CONTROL|LEVEL1,
"left is other host, swapping ends");
tmp_host = my_host;
my_host = other_host;
@@ -222,40 +240,45 @@ static void stroke_add_conn(private_stroke_t *this, stroke_msg_t *msg)
}
else if (!charon->socket->is_local_address(charon->socket, my_host))
{
this->stroke_logger->log(this->stroke_logger, ERROR, "left nor right host is our side, aborting");
this->stroke_logger->log(this->stroke_logger, ERROR,
"left nor right host is our side, aborting");
goto destroy_hosts;
}
my_id = identification_create_from_string(msg->add_conn.me.id ?
msg->add_conn.me.id : msg->add_conn.me.address);
msg->add_conn.me.id : msg->add_conn.me.address);
if (my_id == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid id: %s", msg->add_conn.me.id);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid id: %s", msg->add_conn.me.id);
goto destroy_hosts;
}
other_id = identification_create_from_string(msg->add_conn.other.id ?
msg->add_conn.other.id : msg->add_conn.other.address);
msg->add_conn.other.id : msg->add_conn.other.address);
if (other_id == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid id: %s", msg->add_conn.other.id);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid id: %s", msg->add_conn.other.id);
my_id->destroy(my_id);
goto destroy_hosts;
}
my_subnet = host_create(AF_INET, msg->add_conn.me.subnet ?
msg->add_conn.me.subnet : msg->add_conn.me.address, IKE_PORT);
my_subnet = host_create_from_string(msg->add_conn.me.subnet ?
msg->add_conn.me.subnet : msg->add_conn.me.address, IKE_PORT);
if (my_subnet == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid subnet: %s", msg->add_conn.me.subnet);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid subnet: %s", msg->add_conn.me.subnet);
goto destroy_ids;
}
other_subnet = host_create(AF_INET, msg->add_conn.other.subnet ?
msg->add_conn.other.subnet : msg->add_conn.other.address, IKE_PORT);
other_subnet = host_create_from_string(msg->add_conn.other.subnet ?
msg->add_conn.other.subnet : msg->add_conn.other.address, IKE_PORT);
if (other_subnet == NULL)
{
this->stroke_logger->log(this->stroke_logger, ERROR, "invalid subnet: %s", msg->add_conn.me.subnet);
this->stroke_logger->log(this->stroke_logger, ERROR,
"invalid subnet: %s", msg->add_conn.me.subnet);
my_subnet->destroy(my_subnet);
goto destroy_ids;
}