// Get the CA which signed the certificate
X *FindCaSignedX(LIST *o, X *x)
{
X *ret;
// Validate arguments
if (o == NULL || x == NULL)
{
return NULL;
}
ret = NULL;
LockList(o);
{
UINT i;
for (i = 0;i < LIST_NUM(o);i++)
{
X *ca = LIST_DATA(o, i);
if (CheckXDateNow(ca))
{
if (CompareName(ca->subject_name, x->issuer_name))
{
K *k = GetKFromX(ca);
if (k != NULL)
{
if (CheckSignature(x, k))
{
ret = CloneX(ca);
}
FreeK(k);
}
}
else if (CompareX(ca, x))
{
ret = CloneX(ca);
}
}
if (ret != NULL)
{
break;
}
}
}
UnlockList(o);
return ret;
}
// Get the root certificate that signed the specified certificate from the list
X *GetIssuerFromList(LIST *cert_list, X *cert)
{
UINT i;
X *ret = NULL;
// Validate arguments
if (cert_list == NULL || cert == NULL)
{
return NULL;
}
for (i = 0;i < LIST_NUM(cert_list);i++)
{
X *x = LIST_DATA(cert_list, i);
// Name comparison
if (CheckXDateNow(x))
{
if (CompareName(x->subject_name, cert->issuer_name))
{
// Get the public key of the root certificate
K *k = GetKFromX(x);
if (k != NULL)
{
// Check the signature
if (CheckSignature(cert, k))
{
ret = x;
}
FreeK(k);
}
}
}
if (CompareX(x, cert))
{
// Complete identical
ret = x;
}
}
return ret;
}
// Certificate authentication of user
bool SamAuthUserByCert(HUB *h, char *username, X *x)
{
bool b = false;
// Validate arguments
if (h == NULL || username == NULL || x == NULL)
{
return false;
}
if (GetGlobalServerFlag(GSF_DISABLE_CERT_AUTH) != 0)
{
return false;
}
// Check expiration date
if (CheckXDateNow(x) == false)
{
return false;
}
// Check the Certification Revocation List
if (IsValidCertInHub(h, x) == false)
{
// Bad
wchar_t tmp[MAX_SIZE * 2];
// Log the contents of the certificate
GetAllNameFromX(tmp, sizeof(tmp), x);
HLog(h, "LH_AUTH_NG_CERT", username, tmp);
return false;
}
AcLock(h);
{
USER *u;
u = AcGetUser(h, username);
if (u)
{
Lock(u->lock);
{
if (u->AuthType == AUTHTYPE_USERCERT)
{
// Check whether to matche with the registered certificate
AUTHUSERCERT *auth = (AUTHUSERCERT *)u->AuthData;
if (CompareX(auth->UserX, x))
{
b = true;
}
}
else if (u->AuthType == AUTHTYPE_ROOTCERT)
{
// Check whether the certificate has been signed by the root certificate
AUTHROOTCERT *auth = (AUTHROOTCERT *)u->AuthData;
if (h->HubDb != NULL)
{
LockList(h->HubDb->RootCertList);
{
X *root_cert;
root_cert = GetIssuerFromList(h->HubDb->RootCertList, x);
if (root_cert != NULL)
{
b = true;
if (auth->CommonName != NULL && UniIsEmptyStr(auth->CommonName) == false)
{
// Compare the CN
if (UniStrCmpi(x->subject_name->CommonName, auth->CommonName) != 0)
{
b = false;
}
}
if (auth->Serial != NULL && auth->Serial->size >= 1)
{
// Compare the serial number
if (CompareXSerial(x->serial, auth->Serial) == false)
{
b = false;
}
}
}
}
UnlockList(h->HubDb->RootCertList);
}
}
}
Unlock(u->lock);
ReleaseUser(u);
}
}
AcUnlock(h);
if (b)
{
wchar_t tmp[MAX_SIZE * 2];
// Log the contents of the certificate
GetAllNameFromX(tmp, sizeof(tmp), x);
HLog(h, "LH_AUTH_OK_CERT", username, tmp);
}
return b;
}
