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lasso/lasso/Attic/protocols/artifact.c

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/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Valery Febvre <vfebvre@easter-eggs.com>
* Nicolas Clapies <nclapies@entrouvert.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <lasso/xml/errors.h>
#include <lasso/protocols/artifact.h>
#include <xmlsec/base64.h>
/*****************************************************************************/
/* functions */
/*****************************************************************************/
static gint
lasso_artifact_split_samlArt(gchar *b64_samlArt,
gchar *byteCode,
gchar *identityProviderSuccinctID,
gchar *assertionHandle)
{
xmlSecByte samlArt[42+1];
gint i, j, byte_code = 0;
/* decode samlArt */
i = xmlSecBase64Decode(b64_samlArt, samlArt, 42+1);
if (i < 0 || i > 42) {
return -1;
}
/* extract ByteCode, IdentityProviderSuccinctID and AssertionHandle */
for(j=0; j<42; j++) {
if (j < 2) {
byte_code += (guint)samlArt[j];
}
else if (j >= 2 && j < 22) {
identityProviderSuccinctID[j-2] = samlArt[j];
}
else if (j >= 22) {
assertionHandle[j-22] = samlArt[j];
}
}
sprintf(byteCode, "%d", byte_code);
return 0;
}
/*****************************************************************************/
/* public methods */
/*****************************************************************************/
xmlChar*
lasso_artifact_get_assertionHandle(LassoArtifact *artifact,
GError **err)
{
xmlChar *assertionHandle;
GError *tmp_err = NULL;
if (err != NULL && *err != NULL) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_CHECK_FAILED,
lasso_strerror(LASSO_PARAM_ERROR_CHECK_FAILED));
g_return_val_if_fail (err == NULL || *err == NULL, NULL);
}
if (LASSO_IS_ARTIFACT(artifact) == FALSE) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ,
lasso_strerror(LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ));
g_return_val_if_fail(LASSO_IS_ARTIFACT(artifact), NULL);
}
assertionHandle = lasso_node_get_child_content(LASSO_NODE(artifact),
"AssertionHandle",
NULL, &tmp_err);
if (assertionHandle == NULL) {
g_propagate_error (err, tmp_err);
}
return assertionHandle;
}
/**
* lasso_artifact_get_byteCode:
* @artifact: an LassoArtifact
* @err: return location for an allocated GError, or NULL to ignore errors
*
* Gets the ByteCode of the artifact
*
* Return value: the ByteCode or a negative integer if an error occurs.
**/
gint
lasso_artifact_get_byteCode(LassoArtifact *artifact,
GError **err)
{
xmlChar *byteCode;
gint ret;
GError *tmp_err = NULL;
if (err != NULL && *err != NULL) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_CHECK_FAILED,
lasso_strerror(LASSO_PARAM_ERROR_CHECK_FAILED));
g_return_val_if_fail (err == NULL || *err == NULL,
LASSO_PARAM_ERROR_CHECK_FAILED);
}
if (LASSO_IS_ARTIFACT(artifact) == FALSE) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ,
lasso_strerror(LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ));
g_return_val_if_fail(LASSO_IS_ARTIFACT(artifact),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
}
byteCode = lasso_node_get_child_content(LASSO_NODE(artifact),
"ByteCode", NULL, &tmp_err);
if (byteCode == NULL) {
g_propagate_error (err, tmp_err);
return -1;
}
ret = (gint)g_strtod(byteCode, NULL);
xmlFree(byteCode);
return ret;
}
xmlChar*
lasso_artifact_get_b64IdentityProviderSuccinctID(LassoArtifact *artifact,
GError **err)
{
xmlChar *b64_identityProviderSuccinctID;
GError *tmp_err = NULL;
if (err != NULL && *err != NULL) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_CHECK_FAILED,
lasso_strerror(LASSO_PARAM_ERROR_CHECK_FAILED));
g_return_val_if_fail (err == NULL || *err == NULL, NULL);
}
if (LASSO_IS_ARTIFACT(artifact) == FALSE) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ,
lasso_strerror(LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ));
g_return_val_if_fail(LASSO_IS_ARTIFACT(artifact), NULL);
}
b64_identityProviderSuccinctID = lasso_node_get_child_content(LASSO_NODE(artifact),
"B64IdentityProviderSuccinctID",
NULL, &tmp_err);
if (b64_identityProviderSuccinctID == NULL) {
g_propagate_error (err, tmp_err);
}
return b64_identityProviderSuccinctID;
}
xmlChar*
lasso_artifact_get_relayState(LassoArtifact *artifact,
GError **err)
{
xmlChar *relayState;
GError *tmp_err = NULL;
if (err != NULL && *err != NULL) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_CHECK_FAILED,
lasso_strerror(LASSO_PARAM_ERROR_CHECK_FAILED));
g_return_val_if_fail (err == NULL || *err == NULL, NULL);
}
if (LASSO_IS_ARTIFACT(artifact) == FALSE) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ,
lasso_strerror(LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ));
g_return_val_if_fail(LASSO_IS_ARTIFACT(artifact), NULL);
}
relayState = lasso_node_get_child_content(LASSO_NODE(artifact),
"RelayState", NULL, &tmp_err);
if (relayState == NULL) {
g_propagate_error (err, tmp_err);
}
return relayState;
}
xmlChar*
lasso_artifact_get_samlArt(LassoArtifact *artifact,
GError **err)
{
xmlChar *samlArt;
GError *tmp_err = NULL;
if (err != NULL && *err != NULL) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_CHECK_FAILED,
lasso_strerror(LASSO_PARAM_ERROR_CHECK_FAILED));
g_return_val_if_fail (err == NULL || *err == NULL, NULL);
}
if (LASSO_IS_ARTIFACT(artifact) == FALSE) {
g_set_error(err, g_quark_from_string("Lasso"),
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ,
lasso_strerror(LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ));
g_return_val_if_fail(LASSO_IS_ARTIFACT(artifact), NULL);
}
samlArt = lasso_node_get_child_content(LASSO_NODE(artifact),
"SAMLart", NULL, &tmp_err);
if (samlArt == NULL) {
g_propagate_error (err, tmp_err);
}
return samlArt;
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
lasso_artifact_instance_init(LassoArtifact *artifact)
{
LassoNodeClass *class = LASSO_NODE_GET_CLASS(LASSO_NODE(artifact));
class->set_name(LASSO_NODE(artifact), "Artifact");
}
static void
lasso_artifact_class_init(LassoArtifactClass *class)
{
}
GType lasso_artifact_get_type() {
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoArtifactClass),
NULL,
NULL,
(GClassInitFunc) lasso_artifact_class_init,
NULL,
NULL,
sizeof(LassoArtifact),
0,
(GInstanceInitFunc) lasso_artifact_instance_init,
};
this_type = g_type_register_static(LASSO_TYPE_NODE,
"LassoArtifact",
&this_info, 0);
}
return this_type;
}
LassoNode*
lasso_artifact_new(gchar *samlArt,
gchar *byteCode,
gchar *identityProviderSuccinctID,
gchar *assertionHandle,
gchar *relayState)
{
LassoNode *artifact;
LassoNodeClass *class;
xmlChar *b64_identityProviderSuccinctID;
g_return_val_if_fail(byteCode != NULL, NULL);
g_return_val_if_fail(identityProviderSuccinctID != NULL, NULL);
g_return_val_if_fail(assertionHandle != NULL, NULL);
artifact = LASSO_NODE(g_object_new(LASSO_TYPE_ARTIFACT, NULL));
class = LASSO_NODE_GET_CLASS(artifact);
class->new_child(artifact, "SAMLart", samlArt, FALSE);
class->new_child(artifact, "ByteCode", byteCode, FALSE);
b64_identityProviderSuccinctID = xmlSecBase64Encode(identityProviderSuccinctID,
20, 0);
class->new_child(artifact, "B64IdentityProviderSuccinctID",
b64_identityProviderSuccinctID, FALSE);
xmlFree(b64_identityProviderSuccinctID);
class->new_child(artifact, "AssertionHandle", assertionHandle, FALSE);
if (relayState != NULL) {
class->new_child(artifact, "RelayState", relayState, FALSE);
}
return artifact;
}
LassoNode*
lasso_artifact_new_from_query(const xmlChar *query)
{
LassoNode *artifact = NULL;
GData *gd;
gchar *b64_samlArt, *relayState;
gchar *byteCode, *identityProviderSuccinctID, *assertionHandle;
gint ret;
g_return_val_if_fail(query != NULL, NULL);
gd = lasso_query_to_dict(query);
b64_samlArt = g_strdup(lasso_g_ptr_array_index((GPtrArray *)g_datalist_get_data(&gd, "SAMLart"), 0));
relayState = g_strdup(lasso_g_ptr_array_index((GPtrArray *)g_datalist_get_data(&gd, "RelayState"), 0));
g_datalist_clear(&gd);
byteCode = (gchar *) g_new0(gchar, 5+1);
identityProviderSuccinctID = (gchar *) g_new0(gchar, 21);
assertionHandle = (gchar *) g_new0(gchar, 20+1);
ret = lasso_artifact_split_samlArt((gchar*)b64_samlArt, byteCode,
identityProviderSuccinctID,
assertionHandle);
if (ret >= 0) {
artifact = lasso_artifact_new(b64_samlArt,
byteCode, identityProviderSuccinctID,
assertionHandle,
relayState);
}
g_free(byteCode);
g_free(identityProviderSuccinctID);
g_free(assertionHandle);
g_free(b64_samlArt);
g_free(relayState);
return artifact;
}
LassoNode*
lasso_artifact_new_from_lares(const xmlChar *lares,
const xmlChar *relayState)
{
LassoNode *artifact = NULL;
gchar *byteCode, *identityProviderSuccinctID, *assertionHandle;
gint ret;
g_return_val_if_fail(lares != NULL, NULL);
byteCode = g_new0(gchar, 5+1);
identityProviderSuccinctID = (gchar *) g_new0(gchar, 20);
assertionHandle = (gchar *) g_new0(gchar, 20+1);
ret = lasso_artifact_split_samlArt((gchar*)lares, byteCode,
identityProviderSuccinctID,
assertionHandle);
if (ret >= 0) {
artifact = lasso_artifact_new((gchar*)lares,
byteCode, identityProviderSuccinctID,
assertionHandle,
(gchar*)relayState);
}
g_free(byteCode);
g_free(identityProviderSuccinctID);
g_free(assertionHandle);
return artifact;
}
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