cmpcert.c - mozsearch

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/*

 * NSS utility functions

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <stdio.h>

#include <string.h>

#include "prerror.h"

#include "secitem.h"

#include "prnetdb.h"

#include "cert.h"

#include "nspr.h"

#include "secder.h"

#include "keyhi.h"

#include "nss.h"

/*

 * Look to see if any of the signers in the cert chain for "cert" are found

 * in the list of caNames.

 * Returns SECSuccess if so, SECFailure if not.

*/

SECStatus

NSS_CmpCertChainWCANames(CERTCertificate *cert, CERTDistNames *caNames)

    SECItem *caname;

    CERTCertificate *curcert;

    CERTCertificate *oldcert;

    int j;

    int depth;

    SECItem issuerName;

    if (!cert || !caNames || !caNames->nnames || !caNames->names ||

        !caNames->names->data)

        return SECFailure;

    depth = 0;

    curcert = CERT_DupCertificate(cert);

    while (curcert) {

        issuerName = curcert->derIssuer;

        for (j = 0; j < caNames->nnames; j++) {

            caname = &caNames->names[j];

            if (SECITEM_CompareItem(&issuerName, caname) == SECEqual) {

                CERT_DestroyCertificate(curcert);

                return SECSuccess;

        if ((depth <= 20) &&

            (SECITEM_CompareItem(&curcert->derIssuer, &curcert->derSubject) !=

             SECEqual)) {

            oldcert = curcert;

            curcert = CERT_FindCertByName(curcert->dbhandle,

                                          &curcert->derIssuer);

            CERT_DestroyCertificate(oldcert);

            depth++;

        } else {

            CERT_DestroyCertificate(curcert);

            curcert = NULL;

    return SECFailure;