aboutsummaryrefslogtreecommitdiffstats
path: root/Source/charon/threads
diff options
context:
space:
mode:
Diffstat (limited to 'Source/charon/threads')
-rwxr-xr-xSource/charon/threads/stroke.c203
-rw-r--r--Source/charon/threads/stroke.h22
2 files changed, 161 insertions, 64 deletions
diff --git a/Source/charon/threads/stroke.c b/Source/charon/threads/stroke.c
index 9dad95d3c..1bc94c85d 100755
--- a/Source/charon/threads/stroke.c
+++ b/Source/charon/threads/stroke.c
@@ -119,6 +119,16 @@ struct private_stroke_t {
* Holding all configurations.
*/
linked_list_t *configurations;
+
+ /**
+ * The list of RSA private keys accessible through crendial_store_t interface
+ */
+ linked_list_t *rsa_private_keys;
+
+ /**
+ * The list of RSA public keys accessible through crendial_store_t interface
+ */
+ linked_list_t *rsa_public_keys;
/**
* Assigned logger_t object.
@@ -153,10 +163,14 @@ struct private_stroke_t {
* stroke_msg). They must be corrected if they reach our address
* space...
*/
-static void fix_string(stroke_msg_t *msg, char **string)
+static void pop_string(stroke_msg_t *msg, char **string)
{
/* check for sanity of string pointer and string */
- if (string < (char**)msg ||
+ if (*string == NULL)
+ {
+ *string = "";
+ }
+ else if (string < (char**)msg ||
string > (char**)msg + sizeof(stroke_msg_t) ||
*string < (char*)msg->buffer - (u_int)msg ||
*string > (char*)(u_int)msg->length)
@@ -210,7 +224,7 @@ static void stroke_receive(private_stroke_t *this)
continue;
}
- this->logger->log_bytes(this->logger, RAW|LEVEL1, "stroke message", (void*)msg, msg_length);
+ this->logger->log_bytes(this->logger, CONTROL, "stroke message", (void*)msg, msg_length);
switch (msg->type)
{
@@ -218,8 +232,8 @@ static void stroke_receive(private_stroke_t *this)
{
initiate_ike_sa_job_t *job;
connection_t *connection;
- fix_string(msg, &(msg->initiate.name));
- this->logger->log(this->logger, CONTROL|LEVEL1, "received stroke: initiate \"%s\"", msg->initiate.name);
+ pop_string(msg, &(msg->initiate.name));
+ this->logger->log(this->logger, CONTROL, "received stroke: initiate \"%s\"", msg->initiate.name);
connection = this->get_connection_by_name(this, msg->initiate.name);
if (connection == NULL)
{
@@ -234,8 +248,8 @@ static void stroke_receive(private_stroke_t *this)
}
case STR_INSTALL:
{
- fix_string(msg, &(msg->install.name));
- this->logger->log(this->logger, CONTROL|LEVEL1, "received stroke: install \"%s\"", msg->install.name);
+ pop_string(msg, &(msg->install.name));
+ this->logger->log(this->logger, CONTROL, "received stroke: install \"%s\"", msg->install.name);
break;
}
case STR_ADD_CONN:
@@ -245,28 +259,84 @@ static void stroke_receive(private_stroke_t *this)
identification_t *my_id, *other_id;
host_t *my_host, *other_host, *my_subnet, *other_subnet;
proposal_t *proposal;
- traffic_selector_t *ts;
- chunk_t chunk;
+ traffic_selector_t *my_ts, *other_ts;
+
+ pop_string(msg, &msg->add_conn.name);
+ pop_string(msg, &msg->add_conn.me.address);
+ pop_string(msg, &msg->add_conn.other.address);
+ pop_string(msg, &msg->add_conn.me.id);
+ pop_string(msg, &msg->add_conn.other.id);
+ pop_string(msg, &msg->add_conn.me.subnet);
+ pop_string(msg, &msg->add_conn.other.subnet);
+
+ this->logger->log(this->logger, CONTROL, "received stroke: add connection \"%s\"", msg->add_conn.name);
+
+ my_host = host_create(AF_INET, msg->add_conn.me.address, 500);
+ if (my_host == NULL)
+ {
+ this->logger->log(this->logger, ERROR, "received invalid host: %s", msg->add_conn.me.address);
+ break;
+ }
+ other_host = host_create(AF_INET, msg->add_conn.other.address, 500);
+ if (other_host == NULL)
+ {
+ this->logger->log(this->logger, ERROR, "received invalid host: %s", msg->add_conn.other.address);
+ my_host->destroy(my_host);
+ break;
+ }
+ my_id = identification_create_from_string(ID_IPV4_ADDR,
+ *msg->add_conn.me.id ? msg->add_conn.me.id : msg->add_conn.me.address);
+ if (my_id == NULL)
+ {
+ this->logger->log(this->logger, ERROR, "received invalid id: %s", msg->add_conn.me.id);
+ my_host->destroy(my_host);
+ other_host->destroy(other_host);
+ break;
+ }
+ other_id = identification_create_from_string(ID_IPV4_ADDR,
+ *msg->add_conn.other.id ? msg->add_conn.other.id : msg->add_conn.other.address);
+ if (other_id == NULL)
+ {
+ my_host->destroy(my_host);
+ other_host->destroy(other_host);
+ my_id->destroy(my_id);
+ this->logger->log(this->logger, ERROR, "received invalid id: %s", msg->add_conn.other.id);
+ break;
+ }
- fix_string(msg, &msg->add_conn.name);
- this->logger->log(this->logger, CONTROL|LEVEL1, "received stroke: add connection \"%s\"", msg->add_conn.name);
+ my_subnet = host_create(AF_INET, *msg->add_conn.me.subnet ? msg->add_conn.me.subnet : msg->add_conn.me.address, 500);
+ if (my_subnet == NULL)
+ {
+ my_host->destroy(my_host);
+ other_host->destroy(other_host);
+ my_id->destroy(my_id);
+ other_id->destroy(other_id);
+ this->logger->log(this->logger, ERROR, "received invalid subnet: %s", msg->add_conn.me.subnet);
+ break;
+ }
- msg->add_conn.me.address.v4.sin_port = htons(500);
- msg->add_conn.other.address.v4.sin_port = htons(500);
- my_host = host_create_from_sockaddr(&msg->add_conn.me.address.saddr);
- other_host = host_create_from_sockaddr(&msg->add_conn.other.address.saddr);
+ other_subnet = host_create(AF_INET, *msg->add_conn.other.subnet ? msg->add_conn.other.subnet : msg->add_conn.other.address, 500);
+ if (other_subnet == NULL)
+ {
+ my_host->destroy(my_host);
+ other_host->destroy(other_host);
+ my_id->destroy(my_id);
+ other_id->destroy(other_id);
+ my_subnet->destroy(my_subnet);
+ this->logger->log(this->logger, ERROR, "received invalid subnet: %s", msg->add_conn.me.subnet);
+ break;
+ }
- fix_string(msg, &msg->add_conn.me.id);
- fix_string(msg, &msg->add_conn.other.id);
- my_id = identification_create_from_string(ID_IPV4_ADDR, msg->add_conn.me.id);
- other_id = identification_create_from_string(ID_IPV4_ADDR, msg->add_conn.other.id);
+ this->logger->log(this->logger, CONTROL, "my ID %s, others ID %s",
+ my_id->get_string(my_id),
+ other_id->get_string(other_id));
connection = connection_create(my_host, other_host, my_id->clone(my_id), other_id->clone(other_id), SHARED_KEY_MESSAGE_INTEGRITY_CODE);
proposal = proposal_create(1);
proposal->add_algorithm(proposal, IKE, ENCRYPTION_ALGORITHM, ENCR_AES_CBC, 16);
proposal->add_algorithm(proposal, IKE, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA1_96, 0);
proposal->add_algorithm(proposal, IKE, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA1, 0);
- proposal->add_algorithm(proposal, IKE, DIFFIE_HELLMAN_GROUP, MODP_1024_BIT, 0);
+ proposal->add_algorithm(proposal, IKE, DIFFIE_HELLMAN_GROUP, MODP_2048_BIT, 0);
connection->add_proposal(connection, proposal);
policy = policy_create(my_id, other_id);
@@ -275,23 +345,19 @@ static void stroke_receive(private_stroke_t *this)
proposal->add_algorithm(proposal, ESP, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA1_96, 0);
policy->add_proposal(policy, proposal);
- my_subnet = host_create_from_sockaddr(&msg->add_conn.me.subnet.saddr);
- ts = traffic_selector_create_from_subnet(my_subnet, msg->add_conn.me.subnet_netbits);
+ my_ts = traffic_selector_create_from_subnet(my_subnet, *msg->add_conn.me.subnet ? msg->add_conn.me.subnet_mask : 32);
my_subnet->destroy(my_subnet);
- policy->add_my_traffic_selector(policy, ts);
-
- other_subnet = host_create_from_sockaddr(&msg->add_conn.other.subnet.saddr);
- ts = traffic_selector_create_from_subnet(other_subnet, msg->add_conn.other.subnet_netbits);
+ policy->add_my_traffic_selector(policy, my_ts);
+ other_ts = traffic_selector_create_from_subnet(other_subnet, *msg->add_conn.other.subnet ? msg->add_conn.other.subnet_mask : 32);
other_subnet->destroy(other_subnet);
- policy->add_other_traffic_selector(policy, ts);
+ policy->add_other_traffic_selector(policy, other_ts);
this->configurations->insert_last(this->configurations,
configuration_entry_create(msg->add_conn.name, connection, policy));
- this->logger->log(this->logger, CONTROL|LEVEL1, "connection \"%s\" added (%d in store)",
+ this->logger->log(this->logger, CONTROL, "connection \"%s\" added (%d in store)",
msg->add_conn.name,
this->configurations->get_count(this->configurations));
-
break;
}
case STR_DEL_CONN:
@@ -299,6 +365,7 @@ static void stroke_receive(private_stroke_t *this)
this->logger->log(this->logger, ERROR, "received invalid stroke");
}
+ close(strokefd);
allocator_free(msg);
}
}
@@ -335,13 +402,13 @@ static connection_t *get_connection_by_hosts(connection_store_t *store, host_t *
/* could be right one, check my_host for default route*/
if (config_my_host->is_default_route(config_my_host))
{
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
/* check now if host informations are the same */
else if (config_my_host->ip_is_equal(config_my_host,my_host))
{
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
@@ -354,19 +421,26 @@ static connection_t *get_connection_by_hosts(connection_store_t *store, host_t *
/* could be right one, check my_host for default route*/
if (config_my_host->is_default_route(config_my_host))
{
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
/* check now if host informations are the same */
else if (config_my_host->ip_is_equal(config_my_host,my_host))
{
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
}
}
iterator->destroy(iterator);
+ /* apply hosts as they are supplied since my_host may be %defaultroute, and other_host may be %any. */
+ if (found)
+ {
+ found->update_my_host(found, my_host->clone(my_host));
+ found->update_other_host(found, other_host->clone(other_host));
+ }
+
return found;
}
@@ -400,7 +474,7 @@ static connection_t *get_connection_by_ids(connection_store_t *store, identifica
{
this->logger->log(this->logger, CONTROL|LEVEL2, "config entry with remote id %s",
config_other_id->get_string(config_other_id));
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
}
@@ -426,7 +500,7 @@ static connection_t *get_connection_by_name(private_stroke_t *this, char *name)
if (strcmp(entry->name,name) == 0)
{
/* found configuration */
- found = entry->connection;
+ found = entry->connection->clone(entry->connection);
break;
}
}
@@ -452,64 +526,92 @@ static policy_t *get_policy(policy_store_t *store,identification_t *my_id, ident
identification_t *config_my_id = entry->policy->get_my_id(entry->policy);
identification_t *config_other_id = entry->policy->get_other_id(entry->policy);
- /* host informations seem to be the same */
- if (config_other_id->equals(config_other_id, other_id))
+ /* check other host first */
+ if (config_other_id->belongs_to(config_other_id, other_id))
{
- /* other ids seems to match */
+ /* get it if my_id not specified */
if (my_id == NULL)
{
- /* first matching one is selected */
- /* TODO priorize found entries */
- found = entry->policy;
+ found = entry->policy->clone(entry->policy);
break;
}
- if (config_my_id->equals(config_my_id, my_id))
+ if (config_my_id->belongs_to(config_my_id, my_id))
{
- found = entry->policy;
+ found = entry->policy->clone(entry->policy);
break;
}
-
}
}
iterator->destroy(iterator);
+ /* apply IDs as they are requsted, since they may be configured as %any or such */
+ if (found)
+ {
+ if (my_id)
+ {
+ found->update_my_id(found, my_id->clone(my_id));
+ }
+ found->update_other_id(found, other_id->clone(other_id));
+ }
return found;
}
-
+/**
+ * Implementation of credential_store_t.get_shared_secret.
+ */
static status_t get_shared_secret(credential_store_t *this, identification_t *identification, chunk_t *preshared_secret)
{
char *secret = "schluessel";
preshared_secret->ptr = secret;
- preshared_secret->len = strlen(secret) + 1;
+ preshared_secret->len = strlen(secret) + 1;
+
+ *preshared_secret = allocator_clone_chunk(*preshared_secret);
return SUCCESS;
}
+/**
+ * Implementation of credential_store_t.get_rsa_public_key.
+ */
static status_t get_rsa_public_key(credential_store_t *this, identification_t *identification, rsa_public_key_t **public_key)
{
return FAILED;
}
+/**
+ * Implementation of credential_store_t.get_rsa_private_key.
+ */
static status_t get_rsa_private_key(credential_store_t *this, identification_t *identification, rsa_private_key_t **private_key)
{
return FAILED;
}
-
-
-
/**
* Implementation of stroke_t.destroy.
*/
static void destroy(private_stroke_t *this)
{
configuration_entry_t *entry;
+ rsa_public_key_t *pub_key;
+ rsa_private_key_t *priv_key;
+
while (this->configurations->remove_first(this->configurations, (void **)&entry) == SUCCESS)
{
entry->destroy(entry);
}
this->configurations->destroy(this->configurations);
+
+ while (this->rsa_private_keys->remove_first(this->rsa_private_keys, (void **)&priv_key) == SUCCESS)
+ {
+ priv_key->destroy(priv_key);
+ }
+ this->rsa_private_keys->destroy(this->rsa_private_keys);
+
+ while (this->rsa_public_keys->remove_first(this->rsa_public_keys, (void **)&pub_key) == SUCCESS)
+ {
+ pub_key->destroy(pub_key);
+ }
+ this->rsa_public_keys->destroy(this->rsa_public_keys);
charon->logger_manager->destroy_logger(charon->logger_manager,this->logger);
close(this->socket);
@@ -592,10 +694,13 @@ stroke_t *stroke_create()
close(this->socket);
unlink(socket_addr.sun_path);
allocator_free(this);
+ return NULL;
}
/* private variables */
this->configurations = linked_list_create();
+ this->rsa_private_keys = linked_list_create();
+ this->rsa_public_keys = linked_list_create();
return (&this->public);
}
diff --git a/Source/charon/threads/stroke.h b/Source/charon/threads/stroke.h
index 4fc0fe5e7..267c455f0 100644
--- a/Source/charon/threads/stroke.h
+++ b/Source/charon/threads/stroke.h
@@ -60,20 +60,10 @@ struct stroke_msg_t {
struct {
char *name;
struct {
- union {
- u_int16_t family;
- struct sockaddr saddr;
- struct sockaddr_in v4;
- struct sockaddr_in6 v6;
- } address;
char *id;
- union {
- u_int16_t family;
- struct sockaddr saddr;
- struct sockaddr_in v4;
- struct sockaddr_in6 v6;
- } subnet;
- u_int8_t subnet_netbits;
+ char *address;
+ char *subnet;
+ u_int8_t subnet_mask;
} me, other;
} add_conn;
};
@@ -99,10 +89,12 @@ typedef struct stroke_t stroke_t;
* stroke_t.interface_xy to access the specific interface! You have
* been warned...
*
+ * @todo Add clean thread cancellation
+ *
* @b Constructors:
* - stroke_create()
*
- * @ingroup config
+ * @ingroup threads
*/
struct stroke_t {
@@ -135,7 +127,7 @@ struct stroke_t {
*
* @return stroke_t object
*
- * @ingroup config
+ * @ingroup threads
*/
stroke_t *stroke_create();