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2da188f9a8
gecko/security/nss/lib/libpkix/pkix/crlsel/pkix_crlselector.c
Kai Engert 2da188f9a8 Bug 473837, land NSS_3_12_3_BETA2 
r=wtc
2009-01-21 04:43:31 +01:00

898 lines
27 KiB
C
Executable File
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/* ***** 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_crlselector.c
*
* CRLSelector Function Definitions
*
*/
#include "pkix_crlselector.h"
/* --CRLSelector Private-Functions-------------------------------------- */
/*
* FUNCTION: pkix_CRLSelector_Destroy
* (see comments for PKIX_PL_DestructorCallback in pkix_pl_system.h)
*/
static PKIX_Error *
pkix_CRLSelector_Destroy(
PKIX_PL_Object *object,
void *plContext)
{
PKIX_CRLSelector *selector = NULL;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_Destroy");
PKIX_NULLCHECK_ONE(object);
PKIX_CHECK(pkix_CheckType(object, PKIX_CRLSELECTOR_TYPE, plContext),
PKIX_OBJECTNOTCRLSELECTOR);
selector = (PKIX_CRLSelector *)object;
selector->matchCallback = NULL;
PKIX_DECREF(selector->params);
PKIX_DECREF(selector->context);
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_ToString_Helper
*
* DESCRIPTION:
* Helper function that creates a string representation of CRLSelector
* pointed to by "crlParams" and stores its address in the object pointed to
* by "pString".
*
* PARAMETERS
* "list"
* Address of CRLSelector whose string representation is desired.
* Must be non-NULL.
* "pString"
* Address of object pointer's destination. Must be non-NULL.
* "plContext" - Platform-specific context pointer.
*
* THREAD SAFETY:
* Conditionally Thread Safe
* (see Thread Safety Definitions in Programmer's Guide)
*
* RETURNS:
* Returns NULL if the function succeeds.
* Returns a CRLSelector Error if the function fails in a non-fatal way.
* Returns a Fatal Error if the function fails in an unrecoverable way.
*/
static PKIX_Error *
pkix_CRLSelector_ToString_Helper(
PKIX_CRLSelector *crlSelector,
PKIX_PL_String **pString,
void *plContext)
{
PKIX_PL_String *crlSelectorString = NULL;
PKIX_PL_String *formatString = NULL;
PKIX_PL_String *crlParamsString = NULL;
PKIX_PL_String *crlContextString = NULL;
char *asciiFormat = NULL;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_ToString_Helper");
PKIX_NULLCHECK_TWO(crlSelector, pString);
PKIX_NULLCHECK_ONE(crlSelector->params);
asciiFormat =
"\n\t[\n"
"\tMatchCallback: 0x%x\n"
"\tParams: %s\n"
"\tContext: %s\n"
"\t]\n";
PKIX_CHECK(PKIX_PL_String_Create
(PKIX_ESCASCII,
asciiFormat,
0,
&formatString,
plContext),
PKIX_STRINGCREATEFAILED);
/* Params */
PKIX_TOSTRING
((PKIX_PL_Object *)crlSelector->params,
&crlParamsString,
plContext,
PKIX_COMCRLSELPARAMSTOSTRINGFAILED);
/* Context */
PKIX_TOSTRING(crlSelector->context, &crlContextString, plContext,
PKIX_LISTTOSTRINGFAILED);
PKIX_CHECK(PKIX_PL_Sprintf
(&crlSelectorString,
plContext,
formatString,
crlSelector->matchCallback,
crlParamsString,
crlContextString),
PKIX_SPRINTFFAILED);
*pString = crlSelectorString;
cleanup:
PKIX_DECREF(crlParamsString);
PKIX_DECREF(crlContextString);
PKIX_DECREF(formatString);
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_ToString
* (see comments for PKIX_PL_ToStringCallback in pkix_pl_system.h)
*/
static PKIX_Error *
pkix_CRLSelector_ToString(
PKIX_PL_Object *object,
PKIX_PL_String **pString,
void *plContext)
{
PKIX_PL_String *crlSelectorString = NULL;
PKIX_CRLSelector *crlSelector = NULL;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_ToString");
PKIX_NULLCHECK_TWO(object, pString);
PKIX_CHECK(pkix_CheckType(object, PKIX_CRLSELECTOR_TYPE, plContext),
PKIX_OBJECTNOTCRLSELECTOR);
crlSelector = (PKIX_CRLSelector *) object;
PKIX_CHECK(pkix_CRLSelector_ToString_Helper
(crlSelector, &crlSelectorString, plContext),
PKIX_CRLSELECTORTOSTRINGHELPERFAILED);
*pString = crlSelectorString;
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_Hashcode
* (see comments for PKIX_PL_HashcodeCallback in pkix_pl_system.h)
*/
static PKIX_Error *
pkix_CRLSelector_Hashcode(
PKIX_PL_Object *object,
PKIX_UInt32 *pHashcode,
void *plContext)
{
PKIX_UInt32 paramsHash = 0;
PKIX_UInt32 contextHash = 0;
PKIX_UInt32 hash = 0;
PKIX_CRLSelector *crlSelector = NULL;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_Hashcode");
PKIX_NULLCHECK_TWO(object, pHashcode);
PKIX_CHECK(pkix_CheckType(object, PKIX_CRLSELECTOR_TYPE, plContext),
PKIX_OBJECTNOTCRLSELECTOR);
crlSelector = (PKIX_CRLSelector *)object;
PKIX_HASHCODE(crlSelector->params, &paramsHash, plContext,
PKIX_OBJECTHASHCODEFAILED);
PKIX_HASHCODE(crlSelector->context, &contextHash, plContext,
PKIX_OBJECTHASHCODEFAILED);
hash = 31 * ((PKIX_UInt32)crlSelector->matchCallback +
(contextHash << 3)) + paramsHash;
*pHashcode = hash;
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_Equals
* (see comments for PKIX_PL_Equals_Callback in pkix_pl_system.h)
*/
static PKIX_Error *
pkix_CRLSelector_Equals(
PKIX_PL_Object *firstObject,
PKIX_PL_Object *secondObject,
PKIX_Boolean *pResult,
void *plContext)
{
PKIX_CRLSelector *firstCrlSelector = NULL;
PKIX_CRLSelector *secondCrlSelector = NULL;
PKIX_UInt32 secondType;
PKIX_Boolean cmpResult = PKIX_FALSE;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_Equals");
PKIX_NULLCHECK_THREE(firstObject, secondObject, pResult);
/* test that firstObject is a CRLSelector */
PKIX_CHECK(pkix_CheckType
(firstObject, PKIX_CRLSELECTOR_TYPE, plContext),
PKIX_FIRSTOBJECTNOTCRLSELECTOR);
firstCrlSelector = (PKIX_CRLSelector *)firstObject;
secondCrlSelector = (PKIX_CRLSelector *)secondObject;
/*
* Since we know firstObject is a CRLSelector, if both references are
* identical, they must be equal
*/
if (firstCrlSelector == secondCrlSelector){
*pResult = PKIX_TRUE;
goto cleanup;
}
/*
* If secondCRLSelector isn't a CRLSelector, we don't throw an error.
* We simply return a Boolean result of FALSE
*/
*pResult = PKIX_FALSE;
PKIX_CHECK(PKIX_PL_Object_GetType
((PKIX_PL_Object *)secondCrlSelector,
&secondType,
plContext),
PKIX_COULDNOTGETTYPEOFSECONDARGUMENT);
if (secondType != PKIX_CRLSELECTOR_TYPE) {
goto cleanup;
}
/* Compare MatchCallback address */
cmpResult = (firstCrlSelector->matchCallback ==
secondCrlSelector->matchCallback);
if (cmpResult == PKIX_FALSE) {
goto cleanup;
}
/* Compare Common CRL Selector Params */
PKIX_EQUALS
(firstCrlSelector->params,
secondCrlSelector->params,
&cmpResult,
plContext,
PKIX_COMCRLSELPARAMSEQUALSFAILED);
if (cmpResult == PKIX_FALSE) {
goto cleanup;
}
/* Compare Context */
PKIX_EQUALS
(firstCrlSelector->context,
secondCrlSelector->context,
&cmpResult,
plContext,
PKIX_COMCRLSELPARAMSEQUALSFAILED);
*pResult = cmpResult;
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_Duplicate
* (see comments for PKIX_PL_Duplicate_Callback in pkix_pl_system.h)
*/
static PKIX_Error *
pkix_CRLSelector_Duplicate(
PKIX_PL_Object *object,
PKIX_PL_Object **pNewObject,
void *plContext)
{
PKIX_CRLSelector *old;
PKIX_CRLSelector *new;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_Duplicate");
PKIX_NULLCHECK_TWO(object, pNewObject);
PKIX_CHECK(pkix_CheckType
(object, PKIX_CRLSELECTOR_TYPE, plContext),
PKIX_OBJECTNOTCRLSELECTOR);
old = (PKIX_CRLSelector *)object;
PKIX_CHECK(PKIX_PL_Object_Alloc
(PKIX_CRLSELECTOR_TYPE,
(PKIX_UInt32)(sizeof (PKIX_CRLSelector)),
(PKIX_PL_Object **)&new,
plContext),
PKIX_CREATECRLSELECTORDUPLICATEOBJECTFAILED);
new->matchCallback = old->matchCallback;
PKIX_DUPLICATE(old->params, &new->params, plContext,
PKIX_OBJECTDUPLICATEPARAMSFAILED);
PKIX_DUPLICATE(old->context, &new->context, plContext,
PKIX_OBJECTDUPLICATECONTEXTFAILED);
*pNewObject = (PKIX_PL_Object *)new;
cleanup:
if (PKIX_ERROR_RECEIVED){
PKIX_DECREF(new);
}
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_DefaultMatch
*
* DESCRIPTION:
* This function compares the parameter values (Issuer, date, and CRL number)
* set in the ComCRLSelParams of the CRLSelector pointed to by "selector" with
* the corresponding values in the CRL pointed to by "crl". When all the
* criteria set in the parameter values match the values in "crl", PKIX_TRUE is
* stored at "pMatch". If the CRL does not match the CRLSelector's criteria,
* PKIX_FALSE is stored at "pMatch".
*
* PARAMETERS
* "selector"
* Address of CRLSelector which is verified for a match
* Must be non-NULL.
* "crl"
* Address of the CRL object to be verified. Must be non-NULL.
* "pMatch"
* Address at which Boolean result is stored. Must be non-NULL.
* "plContext"
* Platform-specific context pointer.
*
* THREAD SAFETY:
* Conditionally Thread Safe
* (see Thread Safety Definitions in Programmer's Guide)
*
* RETURNS:
* Returns NULL if the function succeeds.
* Returns a CRLSelector Error if the function fails in a non-fatal way.
* Returns a Fatal Error if the function fails in an unrecoverable way.
*/
static PKIX_Error *
pkix_CRLSelector_DefaultMatch(
PKIX_CRLSelector *selector,
PKIX_PL_CRL *crl,
PKIX_Boolean *pMatch,
void *plContext)
{
PKIX_ComCRLSelParams *params = NULL;
PKIX_PL_X500Name *crlIssuerName = NULL;
PKIX_PL_X500Name *issuerName = NULL;
PKIX_List *selIssuerNames = NULL;
PKIX_PL_Date *selDate = NULL;
PKIX_Boolean result = PKIX_TRUE;
PKIX_UInt32 numIssuers = 0;
PKIX_UInt32 i;
PKIX_PL_BigInt *minCRLNumber = NULL;
PKIX_PL_BigInt *maxCRLNumber = NULL;
PKIX_PL_BigInt *crlNumber = NULL;
PKIX_Boolean nistPolicyEnabled = PKIX_FALSE;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_DefaultMatch");
PKIX_NULLCHECK_TWO(selector, crl);
*pMatch = PKIX_TRUE;
params = selector->params;
/* No matching parameter provided, just a match */
if (params == NULL) {
goto cleanup;
}
PKIX_CHECK(PKIX_ComCRLSelParams_GetIssuerNames
(params, &selIssuerNames, plContext),
PKIX_COMCRLSELPARAMSGETISSUERNAMESFAILED);
/* Check for Issuers */
if (selIssuerNames != NULL){
result = PKIX_FALSE;
PKIX_CHECK(PKIX_PL_CRL_GetIssuer
(crl, &crlIssuerName, plContext),
PKIX_CRLGETISSUERFAILED);
PKIX_CHECK(PKIX_List_GetLength
(selIssuerNames, &numIssuers, plContext),
PKIX_LISTGETLENGTHFAILED);
for (i = 0; i < numIssuers; i++){
PKIX_CHECK(PKIX_List_GetItem
(selIssuerNames,
i,
(PKIX_PL_Object **)&issuerName,
plContext),
PKIX_LISTGETITEMFAILED);
PKIX_CHECK(PKIX_PL_X500Name_Match
(crlIssuerName,
issuerName,
&result,
plContext),
PKIX_X500NAMEMATCHFAILED);
PKIX_DECREF(issuerName);
if (result == PKIX_TRUE) {
break;
}
}
if (result == PKIX_FALSE) {
PKIX_CRLSELECTOR_DEBUG("Issuer Match Failed\N");
*pMatch = PKIX_FALSE;
goto cleanup;
}
}
PKIX_CHECK(PKIX_ComCRLSelParams_GetDateAndTime
(params, &selDate, plContext),
PKIX_COMCRLSELPARAMSGETDATEANDTIMEFAILED);
/* Check for Date */
if (selDate != NULL){
PKIX_CHECK(PKIX_ComCRLSelParams_GetNISTPolicyEnabled
(params, &nistPolicyEnabled, plContext),
PKIX_COMCRLSELPARAMSGETNISTPOLICYENABLEDFAILED);
/* check crl dates only for if NIST policies enforced */
if (nistPolicyEnabled) {
result = PKIX_FALSE;
PKIX_CHECK(PKIX_PL_CRL_VerifyUpdateTime
(crl, selDate, &result, plContext),
PKIX_CRLVERIFYUPDATETIMEFAILED);
if (result == PKIX_FALSE) {
*pMatch = PKIX_FALSE;
goto cleanup;
}
}
}
/* Check for CRL number in range */
PKIX_CHECK(PKIX_PL_CRL_GetCRLNumber(crl, &crlNumber, plContext),
PKIX_CRLGETCRLNUMBERFAILED);
if (crlNumber != NULL) {
result = PKIX_FALSE;
PKIX_CHECK(PKIX_ComCRLSelParams_GetMinCRLNumber
(params, &minCRLNumber, plContext),
PKIX_COMCRLSELPARAMSGETMINCRLNUMBERFAILED);
if (minCRLNumber != NULL) {
PKIX_CHECK(PKIX_PL_Object_Compare
((PKIX_PL_Object *)minCRLNumber,
(PKIX_PL_Object *)crlNumber,
&result,
plContext),
PKIX_OBJECTCOMPARATORFAILED);
if (result == 1) {
PKIX_CRLSELECTOR_DEBUG
("CRL MinNumber Range Match Failed\n");
*pMatch = PKIX_FALSE;
goto cleanup;
}
}
PKIX_CHECK(PKIX_ComCRLSelParams_GetMaxCRLNumber
(params, &maxCRLNumber, plContext),
PKIX_COMCRLSELPARAMSGETMAXCRLNUMBERFAILED);
if (maxCRLNumber != NULL) {
PKIX_CHECK(PKIX_PL_Object_Compare
((PKIX_PL_Object *)crlNumber,
(PKIX_PL_Object *)maxCRLNumber,
&result,
plContext),
PKIX_OBJECTCOMPARATORFAILED);
if (result == 1) {
PKIX_CRLSELECTOR_DEBUG
(PKIX_CRLMAXNUMBERRANGEMATCHFAILED);
*pMatch = PKIX_FALSE;
goto cleanup;
}
}
}
cleanup:
PKIX_DECREF(selIssuerNames);
PKIX_DECREF(selDate);
PKIX_DECREF(crlIssuerName);
PKIX_DECREF(issuerName);
PKIX_DECREF(crlNumber);
PKIX_DECREF(minCRLNumber);
PKIX_DECREF(maxCRLNumber);
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_RegisterSelf
* DESCRIPTION:
* Registers PKIX_CRLSELECTOR_TYPE and its related functions with
* systemClasses[]
* THREAD SAFETY:
* Not Thread Safe - for performance and complexity reasons
*
* Since this function is only called by PKIX_PL_Initialize, which should
* only be called once, it is acceptable that this function is not
* thread-safe.
*/
PKIX_Error *
pkix_CRLSelector_RegisterSelf(void *plContext)
{
extern pkix_ClassTable_Entry systemClasses[PKIX_NUMTYPES];
pkix_ClassTable_Entry entry;
PKIX_ENTER(CRLSELECTOR, "pkix_CRLSelector_RegisterSelf");
entry.description = "CRLSelector";
entry.objCounter = 0;
entry.typeObjectSize = sizeof(PKIX_CRLSelector);
entry.destructor = pkix_CRLSelector_Destroy;
entry.equalsFunction = pkix_CRLSelector_Equals;
entry.hashcodeFunction = pkix_CRLSelector_Hashcode;
entry.toStringFunction = pkix_CRLSelector_ToString;
entry.comparator = NULL;
entry.duplicateFunction = pkix_CRLSelector_Duplicate;
systemClasses[PKIX_CRLSELECTOR_TYPE] = entry;
PKIX_RETURN(CRLSELECTOR);
}
/* --CRLSelector-Public-Functions---------------------------------------- */
PKIX_Error *
pkix_CRLSelector_Create(
PKIX_CRLSelector_MatchCallback callback,
PKIX_PL_Object *crlSelectorContext,
PKIX_CRLSelector **pSelector,
void *plContext)
{
PKIX_CRLSelector *selector = NULL;
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_Create");
PKIX_NULLCHECK_ONE(pSelector);
PKIX_CHECK(PKIX_PL_Object_Alloc
(PKIX_CRLSELECTOR_TYPE,
sizeof (PKIX_CRLSelector),
(PKIX_PL_Object **)&selector,
plContext),
PKIX_COULDNOTCREATECRLSELECTOROBJECT);
/*
* if user specified a particular match callback, we use that one.
* otherwise, we use the default match provided.
*/
if (callback != NULL){
selector->matchCallback = callback;
} else {
selector->matchCallback = pkix_CRLSelector_DefaultMatch;
}
/* initialize other fields */
selector->params = NULL;
PKIX_INCREF(crlSelectorContext);
selector->context = crlSelectorContext;
*pSelector = selector;
selector = NULL;
cleanup:
PKIX_DECREF(selector);
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: PKIX_CRLSelector_Create (see comments in pkix_crlsel.h)
*/
PKIX_Error *
PKIX_CrlSelector_Create(
PKIX_PL_Cert *issuer,
PKIX_PL_Date *date,
PKIX_CRLSelector **pCrlSelector,
void *plContext)
{
PKIX_PL_X500Name *issuerName = NULL;
PKIX_PL_Date *nowDate = NULL;
PKIX_ComCRLSelParams *comCrlSelParams = NULL;
PKIX_CRLSelector *crlSelector = NULL;
PKIX_ENTER(CERTCHAINCHECKER, "PKIX_CrlSelector_Create");
PKIX_NULLCHECK_ONE(issuer);
PKIX_CHECK(
PKIX_PL_Cert_GetSubject(issuer, &issuerName, plContext),
PKIX_CERTGETISSUERFAILED);
if (date != NULL) {
PKIX_INCREF(date);
nowDate = date;
} else {
PKIX_CHECK(
PKIX_PL_Date_Create_UTCTime(NULL, &nowDate, plContext),
PKIX_DATECREATEUTCTIMEFAILED);
}
PKIX_CHECK(
PKIX_ComCRLSelParams_Create(&comCrlSelParams, plContext),
PKIX_COMCRLSELPARAMSCREATEFAILED);
PKIX_CHECK(
PKIX_ComCRLSelParams_AddIssuerName(comCrlSelParams, issuerName,
plContext),
PKIX_COMCRLSELPARAMSADDISSUERNAMEFAILED);
PKIX_CHECK(
PKIX_ComCRLSelParams_SetDateAndTime(comCrlSelParams, nowDate,
plContext),
PKIX_COMCRLSELPARAMSSETDATEANDTIMEFAILED);
PKIX_CHECK(
pkix_CRLSelector_Create(NULL, NULL, &crlSelector, plContext),
PKIX_CRLSELECTORCREATEFAILED);
PKIX_CHECK(
PKIX_CRLSelector_SetCommonCRLSelectorParams(crlSelector,
comCrlSelParams,
plContext),
PKIX_CRLSELECTORSETCOMMONCRLSELECTORPARAMSFAILED);
*pCrlSelector = crlSelector;
crlSelector = NULL;
cleanup:
PKIX_DECREF(issuerName);
PKIX_DECREF(nowDate);
PKIX_DECREF(comCrlSelParams);
PKIX_DECREF(crlSelector);
PKIX_RETURN(CERTCHAINCHECKER);
}
/*
* FUNCTION: PKIX_CRLSelector_GetMatchCallback (see comments in pkix_crlsel.h)
*/
PKIX_Error *
PKIX_CRLSelector_GetMatchCallback(
PKIX_CRLSelector *selector,
PKIX_CRLSelector_MatchCallback *pCallback,
void *plContext)
{
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_GetMatchCallback");
PKIX_NULLCHECK_TWO(selector, pCallback);
*pCallback = selector->matchCallback;
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: PKIX_CRLSelector_GetCRLSelectorContext
* (see comments in pkix_crlsel.h)
*/
PKIX_Error *
PKIX_CRLSelector_GetCRLSelectorContext(
PKIX_CRLSelector *selector,
void **pCrlSelectorContext,
void *plContext)
{
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_GetCRLSelectorContext");
PKIX_NULLCHECK_TWO(selector, pCrlSelectorContext);
PKIX_INCREF(selector->context);
*pCrlSelectorContext = selector->context;
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: PKIX_CRLSelector_GetCommonCRLSelectorParams
* (see comments in pkix_crlsel.h)
*/
PKIX_Error *
PKIX_CRLSelector_GetCommonCRLSelectorParams(
PKIX_CRLSelector *selector,
PKIX_ComCRLSelParams **pParams,
void *plContext)
{
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_GetCommonCRLSelectorParams");
PKIX_NULLCHECK_TWO(selector, pParams);
PKIX_INCREF(selector->params);
*pParams = selector->params;
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: PKIX_CRLSelector_SetCommonCRLSelectorParams
* (see comments in pkix_crlsel.h)
*/
PKIX_Error *
PKIX_CRLSelector_SetCommonCRLSelectorParams(
PKIX_CRLSelector *selector,
PKIX_ComCRLSelParams *params,
void *plContext)
{
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_SetCommonCRLSelectorParams");
PKIX_NULLCHECK_TWO(selector, params);
PKIX_DECREF(selector->params);
PKIX_INCREF(params);
selector->params = params;
PKIX_CHECK(PKIX_PL_Object_InvalidateCache
((PKIX_PL_Object *)selector, plContext),
PKIX_OBJECTINVALIDATECACHEFAILED);
cleanup:
PKIX_RETURN(CRLSELECTOR);
}
/*
* FUNCTION: pkix_CRLSelector_Select
* DESCRIPTION:
*
* This function applies the selector pointed to by "selector" to each CRL,
* in turn, in the List pointed to by "before", and creates a List containing
* all the CRLs that matched, or passed the selection process, storing that
* List at "pAfter". If no CRLs match, an empty List is stored at "pAfter".
*
* The List returned in "pAfter" is immutable.
*
* PARAMETERS:
* "selector"
* Address of CRLSelelector to be applied to the List. Must be non-NULL.
* "before"
* Address of List that is to be filtered. Must be non-NULL.
* "pAfter"
* Address at which resulting List, possibly empty, is stored. Must be
* non-NULL.
* "plContext"
* Platform-specific context pointer.
* THREAD SAFETY:
* Thread Safe (see Thread Safety Definitions in Programmer's Guide)
* RETURNS:
* Returns NULL if the function succeeds.
* Returns a CRLSelector Error if the function fails in a non-fatal way.
* Returns a Fatal Error if the function fails in an unrecoverable way.
*/
PKIX_Error *
pkix_CRLSelector_Select(
PKIX_CRLSelector *selector,
PKIX_List *before,
PKIX_List **pAfter,
void *plContext)
{
PKIX_Boolean match = PKIX_FALSE;
PKIX_UInt32 numBefore = 0;
PKIX_UInt32 i = 0;
PKIX_List *filtered = NULL;
PKIX_PL_CRL *candidate = NULL;
PKIX_ENTER(CRLSELECTOR, "PKIX_CRLSelector_Select");
PKIX_NULLCHECK_THREE(selector, before, pAfter);
PKIX_CHECK(PKIX_List_Create(&filtered, plContext),
PKIX_LISTCREATEFAILED);
PKIX_CHECK(PKIX_List_GetLength(before, &numBefore, plContext),
PKIX_LISTGETLENGTHFAILED);
for (i = 0; i < numBefore; i++) {
PKIX_CHECK(PKIX_List_GetItem
(before, i, (PKIX_PL_Object **)&candidate, plContext),
PKIX_LISTGETITEMFAILED);
PKIX_CHECK_ONLY_FATAL(selector->matchCallback
(selector, candidate, &match, plContext),
PKIX_CRLSELECTORMATCHCALLBACKFAILED);
if (!(PKIX_ERROR_RECEIVED) && match == PKIX_TRUE) {
PKIX_CHECK_ONLY_FATAL(PKIX_List_AppendItem
(filtered,
(PKIX_PL_Object *)candidate,
plContext),
PKIX_LISTAPPENDITEMFAILED);
}
pkixTempErrorReceived = PKIX_FALSE;
PKIX_DECREF(candidate);
}
PKIX_CHECK(PKIX_List_SetImmutable(filtered, plContext),
PKIX_LISTSETIMMUTABLEFAILED);
/* Don't throw away the list if one CRL was bad! */
pkixTempErrorReceived = PKIX_FALSE;
*pAfter = filtered;
filtered = NULL;
cleanup:
PKIX_DECREF(filtered);
PKIX_DECREF(candidate);
PKIX_RETURN(CRLSELECTOR);
}
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