/**
* xmlSecEncCtxXmlEncrypt:
* @encCtx: the pointer to <enc:EncryptedData/> processing context.
* @tmpl: the pointer to <enc:EncryptedData/> template node.
* @node: the pointer to node for encryption.
*
* Encrypts @node according to template @tmpl. If requested, @node is replaced
* with result <enc:EncryptedData/> node.
*
* Returns: 0 on success or a negative value if an error occurs.
*/
int
xmlSecEncCtxXmlEncrypt(xmlSecEncCtxPtr encCtx, xmlNodePtr tmpl, xmlNodePtr node) {
xmlOutputBufferPtr output;
int ret;
xmlSecAssert2(encCtx != NULL, -1);
xmlSecAssert2(encCtx->result == NULL, -1);
xmlSecAssert2(tmpl != NULL, -1);
xmlSecAssert2(node != NULL, -1);
xmlSecAssert2(node->doc != NULL, -1);
/* initialize context and add ID atributes to the list of known ids */
encCtx->operation = xmlSecTransformOperationEncrypt;
xmlSecAddIDs(tmpl->doc, tmpl, xmlSecEncIds);
/* read the template and set encryption method, key, etc. */
ret = xmlSecEncCtxEncDataNodeRead(encCtx, tmpl);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecEncCtxEncDataNodeRead",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
ret = xmlSecTransformCtxPrepare(&(encCtx->transformCtx), xmlSecTransformDataTypeBin);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecTransformCtxPrepare",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"type=bin");
return(-1);
}
xmlSecAssert2(encCtx->transformCtx.first != NULL, -1);
output = xmlSecTransformCreateOutputBuffer(encCtx->transformCtx.first,
&(encCtx->transformCtx));
if(output == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(encCtx->transformCtx.first)),
"xmlSecTransformCreateOutputBuffer",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* push data thru */
if((encCtx->type != NULL) && xmlStrEqual(encCtx->type, xmlSecTypeEncElement)) {
/* get the content of the node */
xmlNodeDumpOutput(output, node->doc, node, 0, 0, NULL);
} else if((encCtx->type != NULL) && xmlStrEqual(encCtx->type, xmlSecTypeEncContent)) {
xmlNodePtr cur;
/* get the content of the nodes childs */
for(cur = node->children; cur != NULL; cur = cur->next) {
xmlNodeDumpOutput(output, node->doc, cur, 0, 0, NULL);
}
} else {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
NULL,
XMLSEC_ERRORS_R_INVALID_TYPE,
"type=%s",
xmlSecErrorsSafeString(encCtx->type));
xmlOutputBufferClose(output);
return(-1);
}
/* close the buffer and flush everything */
ret = xmlOutputBufferClose(output);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlOutputBufferClose",
XMLSEC_ERRORS_R_XML_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
encCtx->result = encCtx->transformCtx.result;
xmlSecAssert2(encCtx->result != NULL, -1);
ret = xmlSecEncCtxEncDataNodeWrite(encCtx);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecEncCtxEncDataNodeWrite",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* now we need to update our original document */
if((encCtx->type != NULL) && xmlStrEqual(encCtx->type, xmlSecTypeEncElement)) {
/* check if we need to return the replaced node */
if((encCtx->flags & XMLSEC_ENC_RETURN_REPLACED_NODE) != 0) {
ret = xmlSecReplaceNodeAndReturn(node, tmpl, &(encCtx->replacedNodeList));
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecReplaceNode",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"node=%s",
xmlSecErrorsSafeString(xmlSecNodeGetName(node)));
return(-1);
}
} else {
ret = xmlSecReplaceNode(node, tmpl);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecReplaceNode",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"node=%s",
xmlSecErrorsSafeString(xmlSecNodeGetName(node)));
return(-1);
}
}
encCtx->resultReplaced = 1;
} else if((encCtx->type != NULL) && xmlStrEqual(encCtx->type, xmlSecTypeEncContent)) {
/* check if we need to return the replaced node */
if((encCtx->flags & XMLSEC_ENC_RETURN_REPLACED_NODE) != 0) {
ret = xmlSecReplaceContentAndReturn(node, tmpl, &(encCtx->replacedNodeList));
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecReplaceContentAndReturn",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"node=%s",
xmlSecErrorsSafeString(xmlSecNodeGetName(node)));
return(-1);
}
} else {
ret = xmlSecReplaceContent(node, tmpl);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecReplaceContent",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"node=%s",
xmlSecErrorsSafeString(xmlSecNodeGetName(node)));
return(-1);
}
}
encCtx->resultReplaced = 1;
} else {
/* we should've catached this error before */
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
NULL,
XMLSEC_ERRORS_R_INVALID_TYPE,
"type=%s",
xmlSecErrorsSafeString(encCtx->type));
return(-1);
}
return(0);
}
static int
xmlSecTransformRelationshipPushXml(xmlSecTransformPtr transform, xmlSecNodeSetPtr nodes, xmlSecTransformCtxPtr transformCtx)
{
xmlOutputBufferPtr buf;
xmlSecRelationshipCtxPtr ctx;
int ret;
xmlSecAssert2(nodes != NULL, -1);
xmlSecAssert2(nodes->doc != NULL, -1);
xmlSecAssert2(transformCtx != NULL, -1);
ctx = xmlSecRelationshipGetCtx(transform);
xmlSecAssert2(ctx != NULL, -1);
/* check/update current transform status */
switch(transform->status) {
case xmlSecTransformStatusNone:
transform->status = xmlSecTransformStatusWorking;
break;
case xmlSecTransformStatusWorking:
case xmlSecTransformStatusFinished:
return(0);
default:
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
NULL,
XMLSEC_ERRORS_R_INVALID_STATUS,
"status=%d", transform->status);
return(-1);
}
xmlSecAssert2(transform->status == xmlSecTransformStatusWorking, -1);
/* prepare output buffer: next transform or ourselves */
if(transform->next != NULL) {
buf = xmlSecTransformCreateOutputBuffer(transform->next, transformCtx);
if(buf == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
"xmlSecTransformCreateOutputBuffer",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
} else {
buf = xmlSecBufferCreateOutputBuffer(&(transform->outBuf));
if(buf == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
"xmlSecBufferCreateOutputBuffer",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
}
ret = xmlSecTransformRelationshipExecute(transform, buf, nodes->doc);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
"xmlC14NExecute",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
xmlOutputBufferClose(buf);
return(-1);
}
ret = xmlOutputBufferClose(buf);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
"xmlOutputBufferClose",
XMLSEC_ERRORS_R_XML_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
transform->status = xmlSecTransformStatusFinished;
return(0);
}
