/**
* extract embedded certificate from given embed_node
*/
static axis2_status_t
rampart_token_process_embedded(
const axutil_env_t *env,
axiom_node_t *embed_node,
oxs_x509_cert_t **cert)
{
axis2_char_t *data = NULL;
axiom_node_t *bst_node = NULL;
bst_node = axiom_node_get_first_element(embed_node, env);
if(!bst_node)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "BinarySecurityToken element is not found");
return AXIS2_FAILURE;
}
/* Process data */
data = oxs_axiom_get_node_content(env, bst_node);
*cert = oxs_key_mgr_load_x509_cert_from_string(env, data);
if(!*cert)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Cannot load certificate from string =%s", data);
return AXIS2_FAILURE;
}
return AXIS2_SUCCESS;
}
AXIS2_EXTERN axis2_char_t* AXIS2_CALL
oxs_token_get_nonce_value(
const axutil_env_t *env,
axiom_node_t *nonce_node)
{
axis2_char_t *value = NULL;
value = (axis2_char_t*)oxs_axiom_get_node_content(env, nonce_node);
return value;
}
AXIS2_EXTERN int AXIS2_CALL
oxs_token_get_length_value(
const axutil_env_t *env,
axiom_node_t *length_node)
{
axis2_char_t *value = NULL;
value = (axis2_char_t*)oxs_axiom_get_node_content(env, length_node);
return axutil_atoi(value);
}
AXIS2_EXTERN axis2_char_t* AXIS2_CALL
oxs_token_get_issuer_name(
const axutil_env_t *env,
axiom_node_t *issuer_name_node)
{
axis2_char_t *val = NULL;
/* TODO Verification */
val = (axis2_char_t*)oxs_axiom_get_node_content(env, issuer_name_node);
return val;
}
/**
* extract key identifier and populate the certificate
* @param env Environment structure
* @param ki_node node where key identifier is available.
* @param cert certificate where values extracted shuold be populated
* @return status of the operation
*/
AXIS2_EXTERN axis2_status_t AXIS2_CALL
rampart_token_process_key_identifier(
const axutil_env_t *env,
axiom_node_t *ki_node,
oxs_x509_cert_t *cert)
{
axis2_char_t *ki = NULL;
ki = oxs_axiom_get_node_content(env, ki_node);
oxs_x509_cert_set_key_identifier(cert, env, ki);
return AXIS2_SUCCESS;
}
axis2_status_t __euca_authenticate(const axutil_env_t *env,axis2_msg_ctx_t *out_msg_ctx, axis2_op_ctx_t *op_ctx)
{
//***** First get the message context before doing anything dumb w/ a NULL pointer *****/
axis2_msg_ctx_t *msg_ctx = NULL; //<--- incoming msg context, it is NULL, see?
msg_ctx = axis2_op_ctx_get_msg_ctx(op_ctx, env, AXIS2_WSDL_MESSAGE_LABEL_IN);
//***** Print everything from the security results, just for testing now *****//
rampart_context_t *rampart_context = NULL;
axutil_property_t *property = NULL;
property = axis2_msg_ctx_get_property(msg_ctx, env, RAMPART_CONTEXT);
if(property)
{
rampart_context = (rampart_context_t *)axutil_property_get_value(property, env);
// AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," ======== PRINTING PROCESSED WSSEC TOKENS ======== ");
rampart_print_security_processed_results_set(env,msg_ctx);
}
//***** Extract Security Node from header from enveloper from msg_ctx *****//
axiom_soap_envelope_t *soap_envelope = NULL;
axiom_soap_header_t *soap_header = NULL;
axiom_node_t *sec_node = NULL;
soap_envelope = axis2_msg_ctx_get_soap_envelope(msg_ctx, env);
if(!soap_envelope) NO_U_FAIL("SOAP envelope cannot be found.");
soap_header = axiom_soap_envelope_get_header(soap_envelope, env);
if (!soap_header) NO_U_FAIL("SOAP header cannot be found.");
sec_node = rampart_get_security_header(env, msg_ctx, soap_header); // <---- here it is!
if(!sec_node)NO_U_FAIL("No node wsse:Security -- required: ws-security");
//***** Find the wsse:Reference to the BinarySecurityToken *****//
//** Path is: Security/
//** *sec_node must be non-NULL, kkthx **//
axiom_node_t *sig_node = NULL;
axiom_node_t *key_info_node = NULL;
axiom_node_t *sec_token_ref_node = NULL;
/** the ds:Signature node **/
sig_node = oxs_axiom_get_first_child_node_by_name(env,sec_node, OXS_NODE_SIGNATURE, OXS_DSIG_NS, OXS_DS );
if(!sig_node)NO_U_FAIL("No node ds:Signature -- required: signature");
/** the ds:KeyInfo **/
key_info_node = oxs_axiom_get_first_child_node_by_name(env, sig_node, OXS_NODE_KEY_INFO, OXS_DSIG_NS, NULL );
if(!key_info_node)NO_U_FAIL("No node ds:KeyInfo -- required: signature key");
/** the wsse:SecurityTokenReference **/
sec_token_ref_node = oxs_axiom_get_first_child_node_by_name(env, key_info_node,OXS_NODE_SECURITY_TOKEN_REFRENCE, OXS_WSSE_XMLNS, NULL);
if(!sec_token_ref_node)NO_U_FAIL("No node wsse:SecurityTokenReference -- required: signing token");
//** in theory this is the branching point for supporting all kinds of tokens -- we only do BST Direct Reference **/
//***** Find the wsse:Reference to the BinarySecurityToken *****//
//** *sec_token_ref_node must be non-NULL **/
axis2_char_t *ref = NULL;
axis2_char_t *ref_id = NULL;
axiom_node_t *token_ref_node = NULL;
axiom_node_t *bst_node = NULL;
/** the wsse:Reference node **/
token_ref_node = oxs_axiom_get_first_child_node_by_name(env, sec_token_ref_node,OXS_NODE_REFERENCE, OXS_WSSE_XMLNS, NULL);
/** pull out the name of the BST node **/
ref = oxs_token_get_reference(env, token_ref_node);
ref_id = axutil_string_substring_starting_at(axutil_strdup(env, ref), 1);
/** get the wsse:BinarySecurityToken used to sign the message **/
bst_node = oxs_axiom_get_node_by_id(env, sec_node, "Id", ref_id, OXS_WSU_XMLNS);
if(!bst_node){oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_ELEMENT_FAILED, "Error retrieving elementwith ID=%s", ref_id);NO_U_FAIL("Cant find the required node");}
//***** Find the wsse:Reference to the BinarySecurityToken *****//
//** *bst_node must be non-NULL **/
axis2_char_t *data = NULL;
oxs_x509_cert_t *_cert = NULL;
oxs_x509_cert_t *recv_cert = NULL;
axis2_char_t *file_name = NULL;
axis2_char_t *recv_x509_buf = NULL;
axis2_char_t *msg_x509_buf = NULL;
/** pull out the data from the BST **/
data = oxs_axiom_get_node_content(env, bst_node);
/** create an oxs_X509_cert **/
_cert = oxs_key_mgr_load_x509_cert_from_string(env, data);
if(_cert)
{
//***** FINALLY -- we have the certificate used to sign the message. authenticate it HERE *****//
msg_x509_buf = oxs_x509_cert_get_data(_cert,env);
if(!msg_x509_buf)NO_U_FAIL("OMG WHAT NOW?!");
/*
recv_x509_buf = (axis2_char_t *)rampart_context_get_receiver_certificate(rampart_context, env);
if(recv_x509_buf)
recv_cert = oxs_key_mgr_load_x509_cert_from_string(env, recv_x509_buf);
else
{
file_name = rampart_context_get_receiver_certificate_file(rampart_context, env);
if(!file_name) NO_U_FAIL("Policy for the service is incorrect -- ReceiverCertificate is not set!!");
if (check_file(file_name)) NO_U_FAIL("No cert file ($EUCALYPTUS/var/lib/eucalyptus/keys/cloud-cert.pem) found, failing");
recv_cert = oxs_key_mgr_load_x509_cert_from_pem_file(env, file_name);
}
*/
file_name = rampart_context_get_receiver_certificate_file(rampart_context, env);
if(!file_name) NO_U_FAIL("Policy for the service is incorrect -- ReceiverCertificate is not set!!");
if (check_file(file_name)) NO_U_FAIL("No cert file ($EUCALYPTUS/var/lib/eucalyptus/keys/cloud-cert.pem) found, failing");
recv_cert = oxs_key_mgr_load_x509_cert_from_pem_file(env, file_name);
if (recv_cert) {
recv_x509_buf = oxs_x509_cert_get_data(recv_cert,env);
} else {
NO_U_FAIL("could not populate receiver cert");
}
if( axutil_strcmp(recv_x509_buf,msg_x509_buf)!=0){
AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," --------- Received x509 certificate value ---------" );
AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI, msg_x509_buf );
AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," --------- Local x509 certificate value! ---------" );
AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI, recv_x509_buf );
AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," ---------------------------------------------------" );
NO_U_FAIL("The certificate specified is invalid!");
}
}
else
{
oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_DEFAULT, "Cannot load certificate from string =%s", data);
NO_U_FAIL("Failed to build certificate from BinarySecurityToken");
}
oxs_x509_cert_free(_cert, env);
oxs_x509_cert_free(recv_cert, env);
return AXIS2_SUCCESS;
}
/**
* extract certificate/key using reference id given in reference node
*/
static axis2_status_t
rampart_token_process_direct_ref(
const axutil_env_t *env,
axiom_node_t *ref_node,
axiom_node_t *scope_node,
axis2_msg_ctx_t *msg_ctx,
rampart_context_t *rampart_context,
oxs_x509_cert_t **cert,
oxs_key_t **key,
axis2_char_t **token_type)
{
axis2_char_t *ref_id = NULL;
axis2_bool_t external_reference = AXIS2_TRUE;
/* Get the reference value in the @URI */
ref_id = oxs_token_get_reference(env, ref_node);
*token_type = oxs_token_get_reference_value_type(env, ref_node);
if(!ref_id)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to get key name from reference node");
return AXIS2_FAILURE;
}
if(ref_id[0] == '#')
{
/* Need to remove # sign from the ID */
axis2_char_t *id = NULL;
id = axutil_string_substring_starting_at(axutil_strdup(env, ref_id), 1);
external_reference = AXIS2_FALSE;
ref_id = id;
if(!ref_id)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to get key name from reference node");
return AXIS2_FAILURE;
}
}
if(!external_reference)
{
/* this could point to binary security token, which means it is x509 token */
axiom_node_t *bst_node = NULL;
axis2_char_t *data = NULL;
bst_node = oxs_axiom_get_node_by_id(env, scope_node, OXS_ATTR_ID, ref_id, OXS_WSU_XMLNS);
if(bst_node)
{
axis2_char_t *local_name = NULL;
local_name = axiom_util_get_localname(bst_node, env);
if(!axutil_strcmp(local_name, OXS_NODE_BINARY_SECURITY_TOKEN))
{
/* This is an X509 token */
*token_type = oxs_token_get_reference_value_type(env, bst_node);
/* Process data. */
data = oxs_axiom_get_node_content(env, bst_node);
*cert = oxs_key_mgr_load_x509_cert_from_string(env, data);
if(*cert)
{
return AXIS2_SUCCESS;
}
else
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
"Cannot load certificate from string =%s", data);
return AXIS2_FAILURE;
}
}
}
}
*key = rampart_context_get_key(rampart_context, env, ref_id);
if(!(*key) && external_reference)
{
if((0 == axutil_strcmp(*token_type, OXS_VALUE_TYPE_SECURITY_CONTEXT_TOKEN_05_02)) ||
(0 == axutil_strcmp(*token_type, OXS_VALUE_TYPE_SECURITY_CONTEXT_TOKEN_05_12)))
{
rampart_shp_add_security_context_token(env, ref_id, ref_id, rampart_context, msg_ctx);
}
*key = rampart_context_get_key(rampart_context, env, ref_id);
}
if(!(*key))
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Cannot find key referenced by URI %s", ref_id);
return AXIS2_FAILURE;
}
return AXIS2_SUCCESS;
}
/**
* extract certificate/key using key identifier
*/
static axis2_status_t
rampart_token_process_key_identifier(
const axutil_env_t *env,
axiom_node_t *key_identifier_node,
axiom_node_t *scope_node,
axiom_node_t *str_node,
rampart_context_t *rampart_context,
axis2_bool_t is_signature,
oxs_x509_cert_t **cert,
oxs_key_t **key,
axis2_char_t **token_type)
{
axis2_char_t *value_type = NULL;
value_type = oxs_axiom_get_attribute_value_of_node_by_name(env, key_identifier_node,
OXS_ATTR_VALUE_TYPE, NULL);
if(axutil_strcmp(value_type, OXS_X509_SUBJ_KI) == 0)/* X509 Token */
{
/* In the client side, it is preferred to use certificate files instead of key store,
* because one client normally interact with only one service. To handle this scenario,
* if we found receiver certificate file specified in rampart_context we directly call the
* get_reciever_certificate.
*/
*cert = rampart_context_get_receiver_certificate(rampart_context, env);
if(!*cert)
{
axis2_char_t *ski = NULL;
oxs_key_mgr_t *key_mgr = NULL;
key_mgr = rampart_context_get_key_mgr(rampart_context, env);
ski = oxs_axiom_get_node_content(env, key_identifier_node);
*cert = oxs_key_mgr_get_receiver_certificate_from_ski(key_mgr, env, ski);
if(!*cert)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
"Cannot retrieve certificate using key identifier");
return AXIS2_FAILURE;
}
}
}
else if(axutil_strcmp(value_type, OXS_X509_ENCRYPTED_KEY_SHA1) == 0) /* EncryptedKey */
{
axis2_char_t *hash_value = NULL;
hash_value = oxs_axiom_get_node_content(env, key_identifier_node);
if(!hash_value)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to get value of EncryptedKeySHA1");
return AXIS2_FAILURE;
}
*key = rampart_context_get_key_using_hash(rampart_context, env, hash_value);
if(!*key)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
"Cannot get key corresponding to EncryptedKeySHA1");
return AXIS2_FAILURE;
}
}
else if(axutil_strcmp(value_type, OXS_ST_KEY_ID_VALUE_TYPE) == 0) /* SAML token reference */
{
axiom_node_t *assertion = NULL;
rampart_saml_token_t *saml = NULL;
rampart_st_type_t tok_type;
oxs_key_mgr_t *key_mgr = NULL;
openssl_pkey_t *pvt_key = NULL;
key_mgr = rampart_context_get_key_mgr(rampart_context, env);
pvt_key = oxs_key_mgr_get_prv_key(key_mgr, env);
if(!pvt_key)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Cannot load private key");
return AXIS2_FAILURE;
}
assertion = oxs_saml_token_get_from_key_identifer_reference(env, key_identifier_node, NULL);
if(!assertion)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Cannot get key SAML Assertion");
return AXIS2_FAILURE;
}
if(is_signature)
{
tok_type = RAMPART_ST_TYPE_SIGNATURE_TOKEN;
}
else
{
tok_type = RAMPART_ST_TYPE_ENCRYPTION_TOKEN;
}
saml = rampart_saml_add_token(rampart_context, env, assertion, str_node, tok_type);
*key = rampart_saml_token_get_session_key(saml, env);
if(!*key)
{
*key = saml_assertion_get_session_key(env, assertion, pvt_key);
rampart_saml_token_set_session_key(saml, env, *key);
oxs_key_set_name(*key, env, "for-algo");
}
if(!*key)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Cannot get key corresponding to SAML Token");
return AXIS2_FAILURE;
}
}
else
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to identify Key Identifier %s", value_type);
return AXIS2_FAILURE;
}
return AXIS2_SUCCESS;
}
