| Index: nss/mozilla/security/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.c
|
| ===================================================================
|
| --- nss/mozilla/security/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.c (revision 0)
|
| +++ nss/mozilla/security/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.c (revision 0)
|
| @@ -0,0 +1,339 @@
|
| +/* ***** 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_basicconstraintschecker.c
|
| + *
|
| + * Functions for basic constraints validation
|
| + *
|
| + */
|
| +
|
| +#include "pkix_basicconstraintschecker.h"
|
| +
|
| +/* --Private-BasicConstraintsCheckerState-Functions------------------------- */
|
| +
|
| +/*
|
| + * FUNCTION: pkix_BasicConstraintsCheckerState_Destroy
|
| + * (see comments for PKIX_PL_DestructorCallback in pkix_pl_system.h)
|
| + */
|
| +static PKIX_Error *
|
| +pkix_BasicConstraintsCheckerState_Destroy(
|
| + PKIX_PL_Object *object,
|
| + void *plContext)
|
| +{
|
| + pkix_BasicConstraintsCheckerState *state = NULL;
|
| +
|
| + PKIX_ENTER(BASICCONSTRAINTSCHECKERSTATE,
|
| + "pkix_BasicConstraintsCheckerState_Destroy");
|
| +
|
| + PKIX_NULLCHECK_ONE(object);
|
| +
|
| + /* Check that this object is a basic constraints checker state */
|
| + PKIX_CHECK(pkix_CheckType
|
| + (object, PKIX_BASICCONSTRAINTSCHECKERSTATE_TYPE, plContext),
|
| + PKIX_OBJECTNOTBASICCONSTRAINTSCHECKERSTATE);
|
| +
|
| + state = (pkix_BasicConstraintsCheckerState *)object;
|
| +
|
| + PKIX_DECREF(state->basicConstraintsOID);
|
| +
|
| +cleanup:
|
| +
|
| + PKIX_RETURN(BASICCONSTRAINTSCHECKERSTATE);
|
| +}
|
| +
|
| +/*
|
| + * FUNCTION: pkix_BasicConstraintsCheckerState_RegisterSelf
|
| + * DESCRIPTION:
|
| + * Registers PKIX_CERT_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_BasicConstraintsCheckerState_RegisterSelf(void *plContext)
|
| +{
|
| + extern pkix_ClassTable_Entry systemClasses[PKIX_NUMTYPES];
|
| + pkix_ClassTable_Entry entry;
|
| +
|
| + PKIX_ENTER(BASICCONSTRAINTSCHECKERSTATE,
|
| + "pkix_BasicConstraintsCheckerState_RegisterSelf");
|
| +
|
| + entry.description = "BasicConstraintsCheckerState";
|
| + entry.objCounter = 0;
|
| + entry.typeObjectSize = sizeof(pkix_BasicConstraintsCheckerState);
|
| + entry.destructor = pkix_BasicConstraintsCheckerState_Destroy;
|
| + entry.equalsFunction = NULL;
|
| + entry.hashcodeFunction = NULL;
|
| + entry.toStringFunction = NULL;
|
| + entry.comparator = NULL;
|
| + entry.duplicateFunction = NULL;
|
| +
|
| + systemClasses[PKIX_BASICCONSTRAINTSCHECKERSTATE_TYPE] = entry;
|
| +
|
| + PKIX_RETURN(BASICCONSTRAINTSCHECKERSTATE);
|
| +}
|
| +
|
| +/*
|
| + * FUNCTION: pkix_BasicConstraintsCheckerState_Create
|
| + * DESCRIPTION:
|
| + *
|
| + * Creates a new BasicConstraintsCheckerState using the number of certs in
|
| + * the chain represented by "certsRemaining" and stores it at "pState".
|
| + *
|
| + * PARAMETERS:
|
| + * "certsRemaining"
|
| + * Number of certificates in the chain.
|
| + * "pState"
|
| + * Address where object pointer will be 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 BasicConstraintsCheckerState 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_BasicConstraintsCheckerState_Create(
|
| + PKIX_UInt32 certsRemaining,
|
| + pkix_BasicConstraintsCheckerState **pState,
|
| + void *plContext)
|
| +{
|
| + pkix_BasicConstraintsCheckerState *state = NULL;
|
| +
|
| + PKIX_ENTER(BASICCONSTRAINTSCHECKERSTATE,
|
| + "pkix_BasicConstraintsCheckerState_Create");
|
| +
|
| + PKIX_NULLCHECK_ONE(pState);
|
| +
|
| + PKIX_CHECK(PKIX_PL_Object_Alloc
|
| + (PKIX_BASICCONSTRAINTSCHECKERSTATE_TYPE,
|
| + sizeof (pkix_BasicConstraintsCheckerState),
|
| + (PKIX_PL_Object **)&state,
|
| + plContext),
|
| + PKIX_COULDNOTCREATEBASICCONSTRAINTSSTATEOBJECT);
|
| +
|
| + /* initialize fields */
|
| + state->certsRemaining = certsRemaining;
|
| + state->maxPathLength = PKIX_UNLIMITED_PATH_CONSTRAINT;
|
| +
|
| + PKIX_CHECK(PKIX_PL_OID_Create
|
| + (PKIX_BASICCONSTRAINTS_OID,
|
| + &state->basicConstraintsOID,
|
| + plContext),
|
| + PKIX_OIDCREATEFAILED);
|
| +
|
| + *pState = state;
|
| + state = NULL;
|
| +
|
| +cleanup:
|
| +
|
| + PKIX_DECREF(state);
|
| +
|
| + PKIX_RETURN(BASICCONSTRAINTSCHECKERSTATE);
|
| +}
|
| +
|
| +/* --Private-BasicConstraintsChecker-Functions------------------------------ */
|
| +
|
| +/*
|
| + * FUNCTION: pkix_BasicConstraintsChecker_Check
|
| + * (see comments for PKIX_CertChainChecker_CheckCallback in pkix_checker.h)
|
| + */
|
| +PKIX_Error *
|
| +pkix_BasicConstraintsChecker_Check(
|
| + PKIX_CertChainChecker *checker,
|
| + PKIX_PL_Cert *cert,
|
| + PKIX_List *unresolvedCriticalExtensions, /* list of PKIX_PL_OID */
|
| + void **pNBIOContext,
|
| + void *plContext)
|
| +{
|
| + PKIX_PL_CertBasicConstraints *basicConstraints = NULL;
|
| + pkix_BasicConstraintsCheckerState *state = NULL;
|
| + PKIX_Boolean caFlag = PKIX_FALSE;
|
| + PKIX_Int32 pathLength = 0;
|
| + PKIX_Int32 maxPathLength_now;
|
| + PKIX_Boolean isSelfIssued = PKIX_FALSE;
|
| +
|
| + PKIX_ENTER(CERTCHAINCHECKER, "pkix_BasicConstraintsChecker_Check");
|
| + PKIX_NULLCHECK_THREE(checker, cert, pNBIOContext);
|
| +
|
| + *pNBIOContext = NULL; /* we never block on pending I/O */
|
| +
|
| + PKIX_CHECK(PKIX_CertChainChecker_GetCertChainCheckerState
|
| + (checker, (PKIX_PL_Object **)&state, plContext),
|
| + PKIX_CERTCHAINCHECKERGETCERTCHAINCHECKERSTATEFAILED);
|
| +
|
| + state->certsRemaining--;
|
| +
|
| + if (state->certsRemaining != 0) {
|
| +
|
| + PKIX_CHECK(PKIX_PL_Cert_GetBasicConstraints
|
| + (cert, &basicConstraints, plContext),
|
| + PKIX_CERTGETBASICCONSTRAINTSFAILED);
|
| +
|
| + /* get CA Flag and path length */
|
| + if (basicConstraints != NULL) {
|
| + PKIX_CHECK(PKIX_PL_BasicConstraints_GetCAFlag
|
| + (basicConstraints,
|
| + &caFlag,
|
| + plContext),
|
| + PKIX_BASICCONSTRAINTSGETCAFLAGFAILED);
|
| +
|
| + if (caFlag == PKIX_TRUE) {
|
| + PKIX_CHECK
|
| + (PKIX_PL_BasicConstraints_GetPathLenConstraint
|
| + (basicConstraints,
|
| + &pathLength,
|
| + plContext),
|
| + PKIX_BASICCONSTRAINTSGETPATHLENCONSTRAINTFAILED);
|
| + }
|
| +
|
| + }else{
|
| + caFlag = PKIX_FALSE;
|
| + pathLength = PKIX_UNLIMITED_PATH_CONSTRAINT;
|
| + }
|
| +
|
| + PKIX_CHECK(pkix_IsCertSelfIssued
|
| + (cert,
|
| + &isSelfIssued,
|
| + plContext),
|
| + PKIX_ISCERTSELFISSUEDFAILED);
|
| +
|
| + maxPathLength_now = state->maxPathLength;
|
| +
|
| + if (isSelfIssued != PKIX_TRUE) {
|
| +
|
| + /* Not last CA Cert, but maxPathLength is down to zero */
|
| + if (maxPathLength_now == 0) {
|
| + PKIX_ERROR(PKIX_BASICCONSTRAINTSVALIDATIONFAILEDLN);
|
| + }
|
| +
|
| + if (caFlag == PKIX_FALSE) {
|
| + PKIX_ERROR(PKIX_BASICCONSTRAINTSVALIDATIONFAILEDCA);
|
| + }
|
| +
|
| + if (maxPathLength_now > 0) { /* can be unlimited (-1) */
|
| + maxPathLength_now--;
|
| + }
|
| +
|
| + }
|
| +
|
| + if (caFlag == PKIX_TRUE) {
|
| + if (maxPathLength_now == PKIX_UNLIMITED_PATH_CONSTRAINT){
|
| + maxPathLength_now = pathLength;
|
| + } else {
|
| + /* If pathLength is not specified, don't set */
|
| + if (pathLength != PKIX_UNLIMITED_PATH_CONSTRAINT) {
|
| + maxPathLength_now =
|
| + (maxPathLength_now > pathLength)?
|
| + pathLength:maxPathLength_now;
|
| + }
|
| + }
|
| + }
|
| +
|
| + state->maxPathLength = maxPathLength_now;
|
| + }
|
| +
|
| + /* Remove Basic Constraints Extension OID from list */
|
| + if (unresolvedCriticalExtensions != NULL) {
|
| +
|
| + PKIX_CHECK(pkix_List_Remove
|
| + (unresolvedCriticalExtensions,
|
| + (PKIX_PL_Object *) state->basicConstraintsOID,
|
| + plContext),
|
| + PKIX_LISTREMOVEFAILED);
|
| + }
|
| +
|
| +
|
| + PKIX_CHECK(PKIX_CertChainChecker_SetCertChainCheckerState
|
| + (checker, (PKIX_PL_Object *)state, plContext),
|
| + PKIX_CERTCHAINCHECKERSETCERTCHAINCHECKERSTATEFAILED);
|
| +
|
| +
|
| +cleanup:
|
| + PKIX_DECREF(state);
|
| + PKIX_DECREF(basicConstraints);
|
| + PKIX_RETURN(CERTCHAINCHECKER);
|
| +
|
| +}
|
| +
|
| +/*
|
| + * FUNCTION: pkix_BasicConstraintsChecker_Initialize
|
| + * DESCRIPTION:
|
| + * Registers PKIX_CERT_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_BasicConstraintsChecker_Initialize(
|
| + PKIX_UInt32 certsRemaining,
|
| + PKIX_CertChainChecker **pChecker,
|
| + void *plContext)
|
| +{
|
| + pkix_BasicConstraintsCheckerState *state = NULL;
|
| +
|
| + PKIX_ENTER(CERTCHAINCHECKER, "pkix_BasicConstraintsChecker_Initialize");
|
| + PKIX_NULLCHECK_ONE(pChecker);
|
| +
|
| + PKIX_CHECK(pkix_BasicConstraintsCheckerState_Create
|
| + (certsRemaining, &state, plContext),
|
| + PKIX_BASICCONSTRAINTSCHECKERSTATECREATEFAILED);
|
| +
|
| + PKIX_CHECK(PKIX_CertChainChecker_Create
|
| + (pkix_BasicConstraintsChecker_Check,
|
| + PKIX_FALSE,
|
| + PKIX_FALSE,
|
| + NULL,
|
| + (PKIX_PL_Object *)state,
|
| + pChecker,
|
| + plContext),
|
| + PKIX_CERTCHAINCHECKERCHECKFAILED);
|
| +
|
| +cleanup:
|
| + PKIX_DECREF(state);
|
| +
|
| + PKIX_RETURN(CERTCHAINCHECKER);
|
| +}
|
|
|
| Property changes on: nss/mozilla/security/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.c
|
| ___________________________________________________________________
|
| Added: svn:executable
|
| + *
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|