mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 03:30:17 +01:00
361 lines
10 KiB
C
361 lines
10 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is the Netscape security libraries.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1994-2000
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/*
|
|
* CMS contentInfo methods.
|
|
*
|
|
* $Id: cmscinfo.c,v 1.7 2004/04/25 15:03:16 gerv%gerv.net Exp $
|
|
*/
|
|
|
|
#include "cmslocal.h"
|
|
|
|
#include "pk11func.h"
|
|
#include "secitem.h"
|
|
#include "secoid.h"
|
|
#include "secerr.h"
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_Create - create a content info
|
|
*
|
|
* version is set in the _Finalize procedures for each content type
|
|
*/
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_Destroy - destroy a CMS contentInfo and all of its sub-pieces.
|
|
*/
|
|
void
|
|
NSS_CMSContentInfo_Destroy(NSSCMSContentInfo *cinfo)
|
|
{
|
|
SECOidTag kind;
|
|
|
|
kind = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
|
|
switch (kind) {
|
|
case SEC_OID_PKCS7_ENVELOPED_DATA:
|
|
NSS_CMSEnvelopedData_Destroy(cinfo->content.envelopedData);
|
|
break;
|
|
case SEC_OID_PKCS7_SIGNED_DATA:
|
|
NSS_CMSSignedData_Destroy(cinfo->content.signedData);
|
|
break;
|
|
case SEC_OID_PKCS7_ENCRYPTED_DATA:
|
|
NSS_CMSEncryptedData_Destroy(cinfo->content.encryptedData);
|
|
break;
|
|
case SEC_OID_PKCS7_DIGESTED_DATA:
|
|
NSS_CMSDigestedData_Destroy(cinfo->content.digestedData);
|
|
break;
|
|
default:
|
|
/* XXX Anything else that needs to be "manually" freed/destroyed? */
|
|
break;
|
|
}
|
|
if (cinfo->digcx) {
|
|
/* must destroy digest objects */
|
|
NSS_CMSDigestContext_Cancel(cinfo->digcx);
|
|
cinfo->digcx = NULL;
|
|
}
|
|
if (cinfo->bulkkey)
|
|
PK11_FreeSymKey(cinfo->bulkkey);
|
|
|
|
if (cinfo->ciphcx) {
|
|
NSS_CMSCipherContext_Destroy(cinfo->ciphcx);
|
|
cinfo->ciphcx = NULL;
|
|
}
|
|
|
|
/* we live in a pool, so no need to worry about storage */
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetChildContentInfo - get content's contentInfo (if it exists)
|
|
*/
|
|
NSSCMSContentInfo *
|
|
NSS_CMSContentInfo_GetChildContentInfo(NSSCMSContentInfo *cinfo)
|
|
{
|
|
void * ptr = NULL;
|
|
NSSCMSContentInfo * ccinfo = NULL;
|
|
SECOidTag tag = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
|
|
switch (tag) {
|
|
case SEC_OID_PKCS7_SIGNED_DATA:
|
|
ptr = (void *)cinfo->content.signedData;
|
|
ccinfo = &(cinfo->content.signedData->contentInfo);
|
|
break;
|
|
case SEC_OID_PKCS7_ENVELOPED_DATA:
|
|
ptr = (void *)cinfo->content.envelopedData;
|
|
ccinfo = &(cinfo->content.envelopedData->contentInfo);
|
|
break;
|
|
case SEC_OID_PKCS7_DIGESTED_DATA:
|
|
ptr = (void *)cinfo->content.digestedData;
|
|
ccinfo = &(cinfo->content.digestedData->contentInfo);
|
|
break;
|
|
case SEC_OID_PKCS7_ENCRYPTED_DATA:
|
|
ptr = (void *)cinfo->content.encryptedData;
|
|
ccinfo = &(cinfo->content.encryptedData->contentInfo);
|
|
break;
|
|
case SEC_OID_PKCS7_DATA:
|
|
default:
|
|
break;
|
|
}
|
|
return (ptr ? ccinfo : NULL);
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_SetContent - set content type & content
|
|
*/
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, SECOidTag type, void *ptr)
|
|
{
|
|
SECStatus rv;
|
|
|
|
cinfo->contentTypeTag = SECOID_FindOIDByTag(type);
|
|
if (cinfo->contentTypeTag == NULL)
|
|
return SECFailure;
|
|
|
|
/* do not copy the oid, just create a reference */
|
|
rv = SECITEM_CopyItem (cmsg->poolp, &(cinfo->contentType), &(cinfo->contentTypeTag->oid));
|
|
if (rv != SECSuccess)
|
|
return SECFailure;
|
|
|
|
cinfo->content.pointer = ptr;
|
|
|
|
if (type != SEC_OID_PKCS7_DATA) {
|
|
/* as we always have some inner data,
|
|
* we need to set it to something, just to fool the encoder enough to work on it
|
|
* and get us into nss_cms_encoder_notify at that point */
|
|
cinfo->rawContent = SECITEM_AllocItem(cmsg->poolp, NULL, 1);
|
|
if (cinfo->rawContent == NULL) {
|
|
PORT_SetError(SEC_ERROR_NO_MEMORY);
|
|
return SECFailure;
|
|
}
|
|
}
|
|
|
|
return SECSuccess;
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_SetContent_XXXX - typesafe wrappers for NSS_CMSContentInfo_SetContent
|
|
*/
|
|
|
|
/*
|
|
* data == NULL -> pass in data via NSS_CMSEncoder_Update
|
|
* data != NULL -> take this data
|
|
*/
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent_Data(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, SECItem *data, PRBool detached)
|
|
{
|
|
if (NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_DATA, (void *)data) != SECSuccess)
|
|
return SECFailure;
|
|
cinfo->rawContent = (detached) ?
|
|
NULL : (data) ?
|
|
data : SECITEM_AllocItem(cmsg->poolp, NULL, 1);
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent_SignedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSSignedData *sigd)
|
|
{
|
|
return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_SIGNED_DATA, (void *)sigd);
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent_EnvelopedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSEnvelopedData *envd)
|
|
{
|
|
return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_ENVELOPED_DATA, (void *)envd);
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent_DigestedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSDigestedData *digd)
|
|
{
|
|
return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_DIGESTED_DATA, (void *)digd);
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContent_EncryptedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSEncryptedData *encd)
|
|
{
|
|
return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_ENCRYPTED_DATA, (void *)encd);
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetContent - get pointer to inner content
|
|
*
|
|
* needs to be casted...
|
|
*/
|
|
void *
|
|
NSS_CMSContentInfo_GetContent(NSSCMSContentInfo *cinfo)
|
|
{
|
|
SECOidTag tag = (cinfo && cinfo->contentTypeTag)
|
|
? cinfo->contentTypeTag->offset
|
|
: SEC_OID_UNKNOWN;
|
|
switch (tag) {
|
|
case SEC_OID_PKCS7_DATA:
|
|
case SEC_OID_PKCS7_SIGNED_DATA:
|
|
case SEC_OID_PKCS7_ENVELOPED_DATA:
|
|
case SEC_OID_PKCS7_DIGESTED_DATA:
|
|
case SEC_OID_PKCS7_ENCRYPTED_DATA:
|
|
return cinfo->content.pointer;
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetInnerContent - get pointer to innermost content
|
|
*
|
|
* this is typically only called by NSS_CMSMessage_GetContent()
|
|
*/
|
|
SECItem *
|
|
NSS_CMSContentInfo_GetInnerContent(NSSCMSContentInfo *cinfo)
|
|
{
|
|
NSSCMSContentInfo *ccinfo;
|
|
SECOidTag tag;
|
|
SECItem *pItem = NULL;
|
|
|
|
tag = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
|
|
switch (tag) {
|
|
case SEC_OID_PKCS7_DATA:
|
|
/* end of recursion - every message has to have a data cinfo */
|
|
pItem = cinfo->content.data;
|
|
break;
|
|
case SEC_OID_PKCS7_DIGESTED_DATA:
|
|
case SEC_OID_PKCS7_ENCRYPTED_DATA:
|
|
case SEC_OID_PKCS7_ENVELOPED_DATA:
|
|
case SEC_OID_PKCS7_SIGNED_DATA:
|
|
ccinfo = NSS_CMSContentInfo_GetChildContentInfo(cinfo);
|
|
if (ccinfo != NULL)
|
|
pItem = NSS_CMSContentInfo_GetContent(ccinfo);
|
|
break;
|
|
default:
|
|
PORT_Assert(0);
|
|
break;
|
|
}
|
|
return pItem;
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetContentType{Tag,OID} - find out (saving pointer to lookup result
|
|
* for future reference) and return the inner content type.
|
|
*/
|
|
SECOidTag
|
|
NSS_CMSContentInfo_GetContentTypeTag(NSSCMSContentInfo *cinfo)
|
|
{
|
|
if (cinfo->contentTypeTag == NULL)
|
|
cinfo->contentTypeTag = SECOID_FindOID(&(cinfo->contentType));
|
|
|
|
if (cinfo->contentTypeTag == NULL)
|
|
return SEC_OID_UNKNOWN;
|
|
|
|
return cinfo->contentTypeTag->offset;
|
|
}
|
|
|
|
SECItem *
|
|
NSS_CMSContentInfo_GetContentTypeOID(NSSCMSContentInfo *cinfo)
|
|
{
|
|
if (cinfo->contentTypeTag == NULL)
|
|
cinfo->contentTypeTag = SECOID_FindOID(&(cinfo->contentType));
|
|
|
|
if (cinfo->contentTypeTag == NULL)
|
|
return NULL;
|
|
|
|
return &(cinfo->contentTypeTag->oid);
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetContentEncAlgTag - find out (saving pointer to lookup result
|
|
* for future reference) and return the content encryption algorithm tag.
|
|
*/
|
|
SECOidTag
|
|
NSS_CMSContentInfo_GetContentEncAlgTag(NSSCMSContentInfo *cinfo)
|
|
{
|
|
if (cinfo->contentEncAlgTag == SEC_OID_UNKNOWN)
|
|
cinfo->contentEncAlgTag = SECOID_GetAlgorithmTag(&(cinfo->contentEncAlg));
|
|
|
|
return cinfo->contentEncAlgTag;
|
|
}
|
|
|
|
/*
|
|
* NSS_CMSContentInfo_GetContentEncAlg - find out and return the content encryption algorithm tag.
|
|
*/
|
|
SECAlgorithmID *
|
|
NSS_CMSContentInfo_GetContentEncAlg(NSSCMSContentInfo *cinfo)
|
|
{
|
|
return &(cinfo->contentEncAlg);
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContentEncAlg(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
|
|
SECOidTag bulkalgtag, SECItem *parameters, int keysize)
|
|
{
|
|
SECStatus rv;
|
|
|
|
rv = SECOID_SetAlgorithmID(poolp, &(cinfo->contentEncAlg), bulkalgtag, parameters);
|
|
if (rv != SECSuccess)
|
|
return SECFailure;
|
|
cinfo->keysize = keysize;
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus
|
|
NSS_CMSContentInfo_SetContentEncAlgID(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
|
|
SECAlgorithmID *algid, int keysize)
|
|
{
|
|
SECStatus rv;
|
|
|
|
rv = SECOID_CopyAlgorithmID(poolp, &(cinfo->contentEncAlg), algid);
|
|
if (rv != SECSuccess)
|
|
return SECFailure;
|
|
if (keysize >= 0)
|
|
cinfo->keysize = keysize;
|
|
return SECSuccess;
|
|
}
|
|
|
|
void
|
|
NSS_CMSContentInfo_SetBulkKey(NSSCMSContentInfo *cinfo, PK11SymKey *bulkkey)
|
|
{
|
|
cinfo->bulkkey = PK11_ReferenceSymKey(bulkkey);
|
|
cinfo->keysize = PK11_GetKeyStrength(cinfo->bulkkey, &(cinfo->contentEncAlg));
|
|
}
|
|
|
|
PK11SymKey *
|
|
NSS_CMSContentInfo_GetBulkKey(NSSCMSContentInfo *cinfo)
|
|
{
|
|
if (cinfo->bulkkey == NULL)
|
|
return NULL;
|
|
|
|
return PK11_ReferenceSymKey(cinfo->bulkkey);
|
|
}
|
|
|
|
int
|
|
NSS_CMSContentInfo_GetBulkKeySize(NSSCMSContentInfo *cinfo)
|
|
{
|
|
return cinfo->keysize;
|
|
}
|