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crypt32: (Re)introduce helper function to get issuer certificate.

This commit is contained in:
Juan Lang 2007-09-11 12:47:13 -07:00 committed by Alexandre Julliard
parent f0d2766fdc
commit 05492ae907
1 changed files with 15 additions and 7 deletions
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22
dlls/crypt32/chain.c
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@ -511,6 +511,17 @@ static void CRYPT_CheckSimpleChain(PCertificateChainEngine engine,
CRYPT_CombineTrustStatus(&chain->TrustStatus, &rootElement->TrustStatus); CRYPT_CombineTrustStatus(&chain->TrustStatus, &rootElement->TrustStatus);
} }
static PCCERT_CONTEXT CRYPT_GetIssuer(HCERTSTORE store, PCCERT_CONTEXT subject,
PCCERT_CONTEXT prevIssuer)
{
PCCERT_CONTEXT issuer;
DWORD flags = 0;
issuer = CertGetIssuerCertificateFromStore(store, subject, prevIssuer,
&flags);
return issuer;
}
/* Builds a simple chain by finding an issuer for the last cert in the chain, /* Builds a simple chain by finding an issuer for the last cert in the chain,
* until reaching a self-signed cert, or until no issuer can be found. * until reaching a self-signed cert, or until no issuer can be found.
*/ */
@ -523,9 +534,7 @@ static BOOL CRYPT_BuildSimpleChain(PCertificateChainEngine engine,
while (ret && !CRYPT_IsSimpleChainCyclic(chain) && while (ret && !CRYPT_IsSimpleChainCyclic(chain) &&
!CRYPT_IsCertificateSelfSigned(cert)) !CRYPT_IsCertificateSelfSigned(cert))
{ {
DWORD flags = 0; PCCERT_CONTEXT issuer = CRYPT_GetIssuer(world, cert, NULL);
PCCERT_CONTEXT issuer =
CertGetIssuerCertificateFromStore(world, cert, NULL, &flags);
if (issuer) if (issuer)
{ {
@ -782,7 +791,7 @@ static PCertificateChain CRYPT_BuildAlternateContextFromChain(
alternate = NULL; alternate = NULL;
else else
{ {
DWORD i, j, flags; DWORD i, j;
PCCERT_CONTEXT alternateIssuer = NULL; PCCERT_CONTEXT alternateIssuer = NULL;
alternate = NULL; alternate = NULL;
@ -795,9 +804,8 @@ static PCertificateChain CRYPT_BuildAlternateContextFromChain(
PCCERT_CONTEXT prevIssuer = CertDuplicateCertificateContext( PCCERT_CONTEXT prevIssuer = CertDuplicateCertificateContext(
chain->context.rgpChain[i]->rgpElement[j + 1]->pCertContext); chain->context.rgpChain[i]->rgpElement[j + 1]->pCertContext);
flags = CERT_STORE_REVOCATION_FLAG | CERT_STORE_SIGNATURE_FLAG; alternateIssuer = CRYPT_GetIssuer(prevIssuer->hCertStore,
alternateIssuer = CertGetIssuerCertificateFromStore( subject, prevIssuer);
prevIssuer->hCertStore, subject, prevIssuer, &flags);
} }
if (alternateIssuer) if (alternateIssuer)
{ {