RetroZilla/security/nss/lib/libpkix/pkix/util/pkix_errpaths.c

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2015-10-21 05:03:22 +02:00
/* ***** 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 PKIX-C library.
*
* The Initial Developer of the Original Code is
* Sun Microsystems, Inc.
* Portions created by the Initial Developer are
* Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
*
* Contributor(s):
* Sun Microsystems, Inc.
*
* 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 ***** */
/*
* pkix_errpaths.c
*
* Error Handling Helper Functions
*
*/
#define PKIX_STDVARS_POINTER
#include "pkix_error.h"
const PKIX_StdVars zeroStdVars;
PKIX_Error*
PKIX_DoThrow(PKIX_StdVars * stdVars, PKIX_ERRORCLASS errClass,
PKIX_ERRORCODE errCode, PKIX_ERRORCLASS overrideClass,
void *plContext)
{
if (!pkixErrorReceived && !pkixErrorResult && pkixErrorList) {
pkixTempResult = PKIX_List_GetItem(pkixErrorList, 0,
(PKIX_PL_Object**)&pkixReturnResult,
plContext);
} else {
pkixTempResult = (PKIX_Error*)pkix_Throw(errClass, myFuncName, errCode,
overrideClass, pkixErrorResult,
&pkixReturnResult, plContext);
}
if (pkixReturnResult) {
if (pkixErrorResult != PKIX_ALLOC_ERROR()) {
PKIX_DECREF(pkixErrorResult);
}
pkixTempResult = pkixReturnResult;
} else if (pkixErrorResult) {
if (pkixTempResult != PKIX_ALLOC_ERROR()) {
PKIX_DECREF(pkixTempResult);
}
pkixTempResult = pkixErrorResult;
}
if (pkixErrorList) {
PKIX_PL_Object_DecRef((PKIX_PL_Object*)pkixErrorList, plContext);
pkixErrorList = NULL;
}
return pkixTempResult;
}
PKIX_Error *
PKIX_DoReturn(PKIX_StdVars * stdVars, PKIX_ERRORCLASS errClass,
PKIX_Boolean doLogger, void *plContext)
{
PKIX_OBJECT_UNLOCK(lockedObject);
if (pkixErrorReceived || pkixErrorResult || pkixErrorList)
return PKIX_DoThrow(stdVars, errClass, pkixErrorCode, pkixErrorClass,
plContext);
/* PKIX_DEBUG_EXIT(type); */
if (doLogger)
_PKIX_DEBUG_TRACE(pkixLoggersDebugTrace, "<<<", PKIX_LOGGER_LEVEL_TRACE);
return NULL;
}
/* PKIX_DoAddError - creates the list of received error if it does not exist
* yet and adds newly received error into the list. */
void
PKIX_DoAddError(PKIX_StdVars *stdVars, PKIX_Error *error, void * plContext)
{
PKIX_List *localList = NULL;
PKIX_Error *localError = NULL;
PKIX_Boolean listCreated = PKIX_FALSE;
if (!pkixErrorList) {
localError = PKIX_List_Create(&localList, plContext);
if (localError)
goto cleanup;
listCreated = PKIX_TRUE;
} else {
localList = pkixErrorList;
}
localError = PKIX_List_AppendItem(localList, (PKIX_PL_Object*)error,
plContext);
PORT_Assert (localError == NULL);
if (localError != NULL) {
if (listCreated) {
/* ignore the error code of DecRef function */
PKIX_PL_Object_DecRef((PKIX_PL_Object*)localList, plContext);
localList = NULL;
}
} else {
pkixErrorList = localList;
}
cleanup:
if (localError && localError != PKIX_ALLOC_ERROR()) {
PKIX_PL_Object_DecRef((PKIX_PL_Object*)localError, plContext);
}
if (error && error != PKIX_ALLOC_ERROR()) {
PKIX_PL_Object_DecRef((PKIX_PL_Object*)error, plContext);
}
}