diff options
Diffstat (limited to 'Source/charon/threads')
-rwxr-xr-x | Source/charon/threads/stroke.c | 203 | ||||
-rw-r--r-- | Source/charon/threads/stroke.h | 22 |
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(); |