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path: root/lib/crmf/cmmfasn1.c
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/* -*- Mode: C; tab-width: 8 -*-*/
/* 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 "cmmf.h"
#include "cmmfi.h"
#include "secasn1.h"
#include "secitem.h"

SEC_ASN1_MKSUB(SEC_SignedCertificateTemplate)

static const SEC_ASN1Template CMMFSequenceOfCertifiedKeyPairsTemplate[] = {
    { SEC_ASN1_SEQUENCE_OF, 0, CMMFCertifiedKeyPairTemplate }
};

static const SEC_ASN1Template CMMFKeyRecRepContentTemplate[] = {
    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFKeyRecRepContent) },
    { SEC_ASN1_INLINE, offsetof(CMMFKeyRecRepContent, status),
      CMMFPKIStatusInfoTemplate },
    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_POINTER |
          SEC_ASN1_XTRN | 0,
      offsetof(CMMFKeyRecRepContent, newSigCert),
      SEC_ASN1_SUB(SEC_SignedCertificateTemplate) },
    { SEC_ASN1_CONSTRUCTED | SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | 1,
      offsetof(CMMFKeyRecRepContent, caCerts),
      CMMFSequenceOfCertsTemplate },
    { SEC_ASN1_CONSTRUCTED | SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | 2,
      offsetof(CMMFKeyRecRepContent, keyPairHist),
      CMMFSequenceOfCertifiedKeyPairsTemplate },
    { 0 }
};

SECStatus
CMMF_EncodeCertRepContent(CMMFCertRepContent *inCertRepContent,
                          CRMFEncoderOutputCallback inCallback,
                          void *inArg)
{
    return cmmf_user_encode(inCertRepContent, inCallback, inArg,
                            CMMFCertRepContentTemplate);
}

SECStatus
CMMF_EncodePOPODecKeyChallContent(CMMFPOPODecKeyChallContent *inDecKeyChall,
                                  CRMFEncoderOutputCallback inCallback,
                                  void *inArg)
{
    return cmmf_user_encode(inDecKeyChall, inCallback, inArg,
                            CMMFPOPODecKeyChallContentTemplate);
}

CMMFPOPODecKeyRespContent *
CMMF_CreatePOPODecKeyRespContentFromDER(const char *buf, long len)
{
    PLArenaPool *poolp;
    CMMFPOPODecKeyRespContent *decKeyResp;
    SECStatus rv;

    poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
    if (poolp == NULL) {
        return NULL;
    }
    decKeyResp = PORT_ArenaZNew(poolp, CMMFPOPODecKeyRespContent);
    if (decKeyResp == NULL) {
        goto loser;
    }
    decKeyResp->poolp = poolp;
    rv = SEC_ASN1Decode(poolp, decKeyResp, CMMFPOPODecKeyRespContentTemplate,
                        buf, len);
    if (rv != SECSuccess) {
        goto loser;
    }
    return decKeyResp;

loser:
    if (poolp != NULL) {
        PORT_FreeArena(poolp, PR_FALSE);
    }
    return NULL;
}

SECStatus
CMMF_EncodeKeyRecRepContent(CMMFKeyRecRepContent *inKeyRecRep,
                            CRMFEncoderOutputCallback inCallback,
                            void *inArg)
{
    return cmmf_user_encode(inKeyRecRep, inCallback, inArg,
                            CMMFKeyRecRepContentTemplate);
}

CMMFKeyRecRepContent *
CMMF_CreateKeyRecRepContentFromDER(CERTCertDBHandle *db, const char *buf,
                                   long len)
{
    PLArenaPool *poolp;
    CMMFKeyRecRepContent *keyRecContent;
    SECStatus rv;

    poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
    if (poolp == NULL) {
        return NULL;
    }
    keyRecContent = PORT_ArenaZNew(poolp, CMMFKeyRecRepContent);
    if (keyRecContent == NULL) {
        goto loser;
    }
    keyRecContent->poolp = poolp;
    rv = SEC_ASN1Decode(poolp, keyRecContent, CMMFKeyRecRepContentTemplate,
                        buf, len);
    if (rv != SECSuccess) {
        goto loser;
    }
    if (keyRecContent->keyPairHist != NULL) {
        while (keyRecContent->keyPairHist[keyRecContent->numKeyPairs] != NULL) {
            rv = cmmf_decode_process_certified_key_pair(poolp, db,
                                                        keyRecContent->keyPairHist[keyRecContent->numKeyPairs]);
            if (rv != SECSuccess) {
                goto loser;
            }
            keyRecContent->numKeyPairs++;
        }
        keyRecContent->allocKeyPairs = keyRecContent->numKeyPairs;
    }
    keyRecContent->isDecoded = PR_TRUE;
    return keyRecContent;
loser:
    if (poolp != NULL) {
        PORT_FreeArena(poolp, PR_FALSE);
    }
    return NULL;
}