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added ocsp_parse_single_response

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This commit is contained in:
Andreas Steffen
2007-03-08 00:35:20 +00:00
parent 49e8ac052d
commit 95f6a18fc7
1 changed files with 79 additions and 1 deletions
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src/libstrongswan/crypto/ocsp.c
+79 -1
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@@ -625,6 +625,84 @@ static response_status ocsp_parse_response(chunk_t blob, response_t * res)
return rStatus; return rStatus;
} }
/**
* parse a single OCSP response
*/
static bool ocsp_parse_single_response(chunk_t blob, int level0, single_response_t *sres)
{
u_int level, extn_oid;
asn1_ctx_t ctx;
bool critical;
chunk_t object;
int objectID = 0;
asn1_init(&ctx, blob, level0, FALSE, FALSE);
while (objectID < SINGLE_RESPONSE_ROOF)
{
if (!extract_object(singleResponseObjects, &objectID, &object, &level, &ctx))
{
return FALSE;
}
switch (objectID)
{
case SINGLE_RESPONSE_ALGORITHM:
sres->hash_algorithm = parse_algorithmIdentifier(object, level+1, NULL);
break;
case SINGLE_RESPONSE_ISSUER_NAME_HASH:
sres->issuer_name_hash = object;
break;
case SINGLE_RESPONSE_ISSUER_KEY_HASH:
sres->issuer_key_hash = object;
break;
case SINGLE_RESPONSE_SERIAL_NUMBER:
sres->serialNumber = object;
break;
case SINGLE_RESPONSE_CERT_STATUS_GOOD:
sres->status = CERT_GOOD;
break;
case SINGLE_RESPONSE_CERT_STATUS_REVOKED:
sres->status = CERT_REVOKED;
break;
case SINGLE_RESPONSE_CERT_STATUS_REVOCATION_TIME:
sres->revocationTime = asn1totime(&object, ASN1_GENERALIZEDTIME);
break;
case SINGLE_RESPONSE_CERT_STATUS_CRL_REASON:
sres->revocationReason = (object.len == 1)
? *object.ptr : REASON_UNSPECIFIED;
break;
case SINGLE_RESPONSE_CERT_STATUS_UNKNOWN:
sres->status = CERT_UNKNOWN;
break;
case SINGLE_RESPONSE_THIS_UPDATE:
sres->thisUpdate = asn1totime(&object, ASN1_GENERALIZEDTIME);
break;
case SINGLE_RESPONSE_NEXT_UPDATE:
sres->nextUpdate = asn1totime(&object, ASN1_GENERALIZEDTIME);
break;
case SINGLE_RESPONSE_EXT_ID:
extn_oid = known_oid(object);
break;
case SINGLE_RESPONSE_CRITICAL:
critical = object.len && *object.ptr;
DBG2(" %s", critical ? "TRUE" : "FALSE");
case SINGLE_RESPONSE_EXT_VALUE:
break;
}
objectID++;
}
return TRUE;
}
/**
* process received ocsp single response and add it to ocsp cache
*/
static void process_single_response(private_ocsp_t *this, single_response_t *sres)
{
/* TODO */
}
/** /**
* verify and process ocsp response and update the ocsp cache * verify and process ocsp response and update the ocsp cache
*/ */
@@ -681,7 +759,7 @@ void ocsp_process_response(private_ocsp_t *this, chunk_t reply)
{ {
single_response_t sres = empty_single_response; single_response_t sres = empty_single_response;
if (parse_ocsp_single_response(object, level+1, &sres)) if (ocsp_parse_single_response(object, level+1, &sres))
{ {
process_single_response(this, &sres); process_single_response(this, &sres);
} }